adjust cmake for new toxcore files

e2c01e457b refactor: Use enum-specific pack functions for enum values.
afc472402b refactor: Factor out union pack switch from event packer.
6caa7ce4b1 cleanup: Move the 2-element array pack out of individual events.
687af81f20 cleanup: Remove empty test doing nothing.
fcf5882428 test: Add printf log statement to group_moderation_test.
b4d8826228 cleanup: Remove old type-ordered event getters.
8c35e0fefb feat: add ngc events
97bdd83937 refactor: Make event dispatch ordered by receive time.
001d00ab30 fix: dont resolve to ipv6 addresses when its disabled
d3b935f63f fix(test): tests use ipv6 by default, even with USE_IPV6 set to 0
29fc5ea1f7 chore: add clangd files to .gitignore
d30c81acbc refactor: Move file streaming test to its own file.
acdc67387b fix(ci): window builds now build in parallel
REVERT: 73d9b845a3 cleanup: Remove old type-ordered event getters.
REVERT: b0840cc02d feat: add ngc events
REVERT: 7df9a51349 refactor: Make event dispatch ordered by receive time.

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: e2c01e457bfb8a59537175c8fe17ca9ab1c9e3e1

external/toxcore/CMakeLists.txt

@@ -134,6 +134,8 @@ add_library(toxcore STATIC
 	${TOX_DIR}toxcore/tox.h
 	${TOX_DIR}toxcore/tox_private.c
 	${TOX_DIR}toxcore/tox_private.h
+	${TOX_DIR}toxcore/tox_pack.h
+	${TOX_DIR}toxcore/tox_pack.c
 	${TOX_DIR}toxcore/tox_unpack.c
 	${TOX_DIR}toxcore/tox_unpack.h
 	${TOX_DIR}toxcore/util.c

external/toxcore/c-toxcore/.circleci/config.yml

@@ -15,9 +15,7 @@ workflows:
       - ubsan
       # Static analysis
       - clang-analyze
-      - clang-tidy
       - cpplint
-      - infer
       - static-analysis
 
 jobs:
@@ -70,6 +68,7 @@ jobs:
             cmake
             git
             libconfig-dev
+            libgmock-dev
             libgtest-dev
             libopus-dev
             libsodium-dev
@@ -103,27 +102,6 @@ jobs:
       - run: git submodule update --init --recursive
       - run: CC=clang .circleci/cmake-ubsan
 
-  infer:
-    working_directory: ~/work
-    docker:
-      - image: toxchat/infer
-
-    steps:
-      - run: *apt_install
-      - checkout
-      - run: git submodule update --init --recursive
-      - run: infer --no-progress-bar -- cc
-          auto_tests/auto_test_support.c
-          auto_tests/lossless_packet_test.c
-          testing/misc_tools.c
-          toxav/*.c
-          toxcore/*.c
-          toxcore/*/*.c
-          toxencryptsave/*.c
-          third_party/cmp/*.c
-          -lpthread
-          $(pkg-config --cflags --libs libsodium opus vpx)
-
   static-analysis:
     working_directory: ~/work
     docker:
@@ -154,24 +132,6 @@ jobs:
       - run: git submodule update --init --recursive
       - run: other/analysis/run-clang-analyze
 
-  clang-tidy:
-    working_directory: ~/work
-    docker:
-      - image: ubuntu
-
-    steps:
-      - run: *apt_install
-      - run:
-          apt-get install -y --no-install-recommends
-            ca-certificates
-            clang-tidy-14
-      - checkout
-      - run: git submodule update --init --recursive
-      - run:
-          other/analysis/run-clang-tidy ||
-          other/analysis/run-clang-tidy ||
-          other/analysis/run-clang-tidy
-
   cpplint:
     working_directory: ~/work
     docker:

external/toxcore/c-toxcore/.clang-tidy

@@ -1,4 +1,5 @@
 # vim:ft=yaml
+HeaderFilterRegex: "/c-toxcore/[^/]+/[^.].+"
 CheckOptions:
   - key:             readability-identifier-naming.ClassCase
     value:           Camel_Snake_Case
@@ -35,6 +36,12 @@ CheckOptions:
     value:           lower_case
 
   - key:             llvmlibc-restrict-system-libc-headers.Includes
-    value:           "arpa/inet.h,assert.h,ctype.h,errno.h,fcntl.h,getopt.h,libconfig.h,linux/netdevice.h,math.h,netdb.h,netinet/in.h,opus.h,pthread.h,signal.h,sodium/crypto_scalarmult_curve25519.h,sodium.h,sodium/randombytes.h,stdio.h,stdlib.h,string.h,sys/ioctl.h,syslog.h,sys/resource.h,sys/socket.h,sys/stat.h,sys/time.h,sys/types.h,time.h,unistd.h,vpx/vp8cx.h,vpx/vp8dx.h,vpx/vpx_decoder.h,vpx/vpx_encoder.h,vpx/vpx_image.h"
+    value:           "arpa/inet.h,assert.h,ctype.h,errno.h,fcntl.h,getopt.h,libconfig.h,limits.h,linux/if.h,math.h,netdb.h,netinet/in.h,opus.h,pthread.h,signal.h,sodium/crypto_scalarmult_curve25519.h,sodium.h,sodium/randombytes.h,stdarg.h,stdbool.h,stddef.h,stdint.h,stdio.h,stdlib.h,string.h,sys/ioctl.h,syslog.h,sys/resource.h,sys/socket.h,sys/stat.h,sys/time.h,sys/types.h,time.h,unistd.h,vpx/vp8cx.h,vpx/vp8dx.h,vpx/vpx_decoder.h,vpx/vpx_encoder.h,vpx/vpx_image.h"
   - key:             hicpp-signed-bitwise.IgnorePositiveIntegerLiterals
     value:           true
+  - key:             concurrency-mt-unsafe.FunctionSet
+    value:           posix
+  - key:             misc-include-cleaner.IgnoreHeaders
+    value:           "pthread.h;stdbool.h;stddef.h;stdint.;stdint.h;stdint...;cstdint;sodium.*;sys/.*;unistd.h;opus.*;vpx.*;attributes.h;tox_struct.h"
+  - key:             readability-function-cognitive-complexity.Threshold
+    value:           153  # TODO(iphydf): Decrease. tox_new is the highest at the moment.

external/toxcore/c-toxcore/.clusterfuzzlite/build.sh

@@ -1,6 +1,6 @@
 #!/bin/bash -eu
 
-FUZZ_TARGETS="bootstrap_fuzzer toxsave_fuzzer"
+FUZZ_TARGETS="bootstrap_fuzz_test toxsave_fuzz_test"
 
 # out of tree build
 cd "$WORK"

external/toxcore/c-toxcore/.github/scripts/coverage-linux

@@ -1,61 +0,0 @@
-#!/bin/bash
-
-set -eu
-
-NPROC=$(nproc)
-
-sudo apt-get install -y --no-install-recommends \
-  libgtest-dev \
-  libopus-dev \
-  libsodium-dev \
-  libvpx-dev \
-  llvm-14 \
-  ninja-build
-git clone --depth=1 https://github.com/ralight/mallocfail /tmp/mallocfail
-cd /tmp/mallocfail # pushd
-make
-sudo make install
-cd - # popd
-
-export CC=clang
-export CXX=clang++
-
-sudo install other/docker/coverage/run_mallocfail /usr/local/bin/run_mallocfail
-(cd other/proxy && go get && go build)
-other/proxy/proxy &
-
-. ".github/scripts/flags-coverage.sh"
-
-cmake -B_build -H. -GNinja \
-  -DCMAKE_C_FLAGS="$C_FLAGS" \
-  -DCMAKE_CXX_FLAGS="$CXX_FLAGS" \
-  -DCMAKE_EXE_LINKER_FLAGS="$LD_FLAGS" \
-  -DCMAKE_SHARED_LINKER_FLAGS="$LD_FLAGS" \
-  -DCMAKE_INSTALL_PREFIX:PATH="$PWD/_install" \
-  -DENABLE_SHARED=OFF \
-  -DMIN_LOGGER_LEVEL=TRACE \
-  -DMUST_BUILD_TOXAV=ON \
-  -DNON_HERMETIC_TESTS=OFF \
-  -DSTRICT_ABI=ON \
-  -DTEST_TIMEOUT_SECONDS=120 \
-  -DUSE_IPV6=OFF \
-  -DAUTOTEST=ON \
-  -DPROXY_TEST=ON
-
-cmake --build _build --parallel "$NPROC" --target install -- -k 0
-
-cd _build # pushd
-ctest -j50 --output-on-failure --rerun-failed --repeat until-pass:6 ||
-  ctest -j50 --output-on-failure --rerun-failed --repeat until-pass:6
-
-export PYTHONUNBUFFERED=1
-run_mallocfail --ctest=2 --jobs=8
-cd - # popd
-
-#coveralls \
-#  --exclude auto_tests \
-#  --exclude other \
-#  --exclude testing \
-#  --gcov-options '\-lp'
-
-bash <(curl -s https://codecov.io/bash) -x "llvm-cov-14 gcov"

external/toxcore/c-toxcore/.github/scripts/flags-coverage.sh

@@ -5,10 +5,10 @@
 add_ld_flag -Wl,-z,defs
 
 # Make compilation error on a warning
-add_flag -Werror
+add_flag -Werror -Wno-unsafe-buffer-usage
 
 # Coverage flags.
-add_flag --coverage
+add_flag -fprofile-instr-generate -fcoverage-mapping
 
 # Optimisation, but keep stack traces useful.
 add_c_flag -fno-inline -fno-omit-frame-pointer

external/toxcore/c-toxcore/.github/scripts/tox-bootstrapd-docker

@@ -1,12 +1,15 @@
 #!/bin/bash
 
-set -exu
+set -exu -o pipefail
 
 LOCAL="${1:-}"
 
 readarray -t FILES <<<"$(git ls-files)"
 
-tar c "${FILES[@]}" | docker build -f other/bootstrap_daemon/docker/Dockerfile -t toxchat/bootstrap-node -
+if ! tar c "${FILES[@]}" | docker build -f other/bootstrap_daemon/docker/Dockerfile -t toxchat/bootstrap-node - 2>&1 | tee docker-build.log; then
+  grep -o "::error.*::[a-f0-9]*  /usr/local/bin/tox-bootstrapd" docker-build.log
+  false
+fi
 docker tag toxchat/bootstrap-node:latest toxchat/bootstrap-node:"$(other/print-version)"
 
 sudo useradd \

external/toxcore/c-toxcore/.github/settings.yml

@@ -1,86 +0,0 @@
----
-_extends: .github
-
-repository:
-  name: c-toxcore
-  description: The future of online communications.
-  homepage: https://tox.chat/
-  topics: toxcore, network, p2p, security, encryption, cryptography
-
-branches:
-  - name: "master"
-    protection:
-      required_status_checks:
-        contexts:
-          - "bazel-dbg"
-          - "bazel-opt"
-          - "build-alpine-s390x"
-          - "build-android"
-          - "build-autotools"
-          - "build-compcert"
-          - "build-macos"
-          - "build-tcc"
-          - "build-win32"
-          - "build-win64"
-          - "ci/circleci: asan"
-          - "ci/circleci: bazel-asan"
-          - "ci/circleci: bazel-msan"
-          - "ci/circleci: bazel-tsan"
-          - "ci/circleci: clang-analyze"
-          - "ci/circleci: clang-tidy"
-          - "ci/circleci: cpplint"
-          - "ci/circleci: infer"
-          - "ci/circleci: static-analysis"
-          - "ci/circleci: tsan"
-          - "ci/circleci: ubsan"
-          - "cimple"
-          - "cimplefmt"
-          - "CodeFactor"
-          - "code-review/reviewable"
-          - "common / buildifier"
-          - "coverage-linux"
-          - "docker-bootstrap-node"
-          - "docker-bootstrap-node-websocket"
-          - "docker-clusterfuzz"
-          - "docker-esp32"
-          - "docker-fuzzer"
-          - "docker-toxcore-js"
-          - "docker-win32"
-          - "docker-win64"
-          - "doxygen"
-          - "freebsd"
-          - "Hound"
-          - "misra"
-          - "mypy"
-          - "program-analysis"
-          - "sonar-scan"
-          - "tokstyle"
-          - "TokTok.c-toxcore"
-          - "TokTok.c-toxcore (windows_msvc_conan shared)"
-          - "TokTok.c-toxcore (windows_msvc_conan static)"
-
-# Labels specific to c-toxcore.
-labels:
-  - name: "bootstrap"
-    color: "#01707f"
-    description: "Bootstrap"
-
-  - name: "crypto"
-    color: "#1d76db"
-    description: "Crypto"
-
-  - name: "file transfers"
-    color: "#e02abf"
-    description: "File Transfers"
-
-  - name: "messenger"
-    color: "#d93f0b"
-    description: "Messenger"
-
-  - name: "network"
-    color: "#d4c5f9"
-    description: "Network"
-
-  - name: "toxav"
-    color: "#0052cc"
-    description: "Audio/video"

external/toxcore/c-toxcore/.github/workflows/ci.yml

@@ -13,7 +13,10 @@ jobs:
   common:
     uses: TokTok/ci-tools/.github/workflows/common-ci.yml@master
 
-  cppcheck:
+  analysis:
+    strategy:
+      matrix:
+        tool: [autotools, clang-tidy, compcert, cppcheck, doxygen, infer, misra, tcc, tokstyle]
     runs-on: ubuntu-latest
     steps:
       - name: Set up Docker Buildx
@@ -21,84 +24,16 @@ jobs:
       - name: Docker Build
         uses: docker/build-push-action@v4
         with:
-          file: other/docker/cppcheck/Dockerfile
+          file: other/docker/${{ matrix.tool }}/Dockerfile
 
-  mypy:
+  coverage-linux:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: recursive
-      - name: Set up Python 3.9
-        uses: actions/setup-python@v1
-        with:
-          python-version: 3.9
-      - name: Install mypy
-        run: pip install mypy
-      - name: Run mypy
-        run: |
-          (find . -name "*.py" -and -not -name "conanfile.py"; grep -lR '^#!.*python') \
-              | xargs -n1 -P8 mypy --strict
-
-  doxygen:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Docker Build
-        uses: docker/build-push-action@v4
-        with:
-          file: other/docker/doxygen/Dockerfile
-
-  tokstyle:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Docker Build
-        uses: docker/build-push-action@v4
-        with:
-          file: other/docker/tokstyle/Dockerfile
-
-  misra:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Docker Build
-        uses: docker/build-push-action@v4
-        with:
-          file: other/docker/misra/Dockerfile
-
-  build-autotools:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Docker Build
-        uses: docker/build-push-action@v4
-        with:
-          file: other/docker/autotools/Dockerfile
-
-  build-tcc:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Docker Build
-        uses: docker/build-push-action@v4
-        with:
-          file: other/docker/tcc/Dockerfile
-
-  build-compcert:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Docker Build
-        uses: docker/build-push-action@v4
-        with:
-          file: other/docker/compcert/Dockerfile
+      - name: Build, test, and upload coverage
+        run: other/docker/coverage/run
 
   generate-events:
     runs-on: ubuntu-latest
@@ -120,42 +55,6 @@ jobs:
       - name: Run cimplefmt
         run: other/docker/cimplefmt/run -u $(find tox* -name "*.[ch]")
 
-  build-win32:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - name: Cross compilation
-        run: .github/scripts/cmake-win32 script
-
-  build-win64:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - name: Cross compilation
-        run: .github/scripts/cmake-win64 script
-
-  build-macos:
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - name: Build and test
-        run: .github/scripts/cmake-osx
-
-  coverage-linux:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - name: Build, test, and upload coverage
-        run: other/docker/coverage/run
-
   build-android:
     runs-on: ubuntu-latest
     steps:
@@ -166,3 +65,68 @@ jobs:
       - run: .github/scripts/cmake-android arm64-v8a
       - run: .github/scripts/cmake-android x86
       - run: .github/scripts/cmake-android x86_64
+
+  build-macos:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Build and test
+        run: .github/scripts/cmake-osx
+
+  build-msvc:
+    strategy:
+      matrix:
+        version: [2019, 2022]
+    runs-on: windows-${{ matrix.version }}
+    env:
+      VCPKG_ROOT: "C:/vcpkg"
+      VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Export GitHub Actions cache environment variables
+        uses: actions/github-script@v6
+        with:
+          script: |
+            core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
+            core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
+      - name: Configure CMake
+        run: cmake --preset windows-default
+      - name: Build
+        run: cmake --build _build -j $([int]$env:NUMBER_OF_PROCESSORS+2)
+      - name: Test
+        run: |
+          cd _build
+          ctest -j50 --output-on-failure --rerun-failed --repeat until-pass:6 --build-config Debug
+
+  build-windows:
+    strategy:
+      matrix:
+        bits: [32, 64]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Cross compilation
+        run: .github/scripts/cmake-win${{ matrix.bits }} script
+
+  mypy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Set up Python 3.9
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.9
+      - name: Install mypy
+        run: pip install mypy
+      - name: Run mypy
+        run: |
+          (find . -name "*.py" -and -not -name "conanfile.py"; grep -lR '^#!.*python') \
+              | xargs -n1 -P8 mypy --strict

external/toxcore/c-toxcore/.gitignore

@@ -14,6 +14,8 @@ Thumbs.db
 /_build
 /_install
 /tox-0.0.0*
+/.vs
+/CppProperties.json
 CMakeCache.txt
 CMakeFiles
 Makefile
@@ -68,7 +70,7 @@ build/
 *.nvim*
 *.vim*
 
-#kdevelop
+# kdevelop
 .kdev/
 *.kdev*
 
@@ -91,4 +93,9 @@ cscope.files
 # rpm
 tox.spec
 
+# clangd
+.cache/
+compile_commands.json
+
+/infer
 .idea/

external/toxcore/c-toxcore/BUILD.bazel

@@ -1,7 +1,7 @@
 load("@rules_cc//cc:defs.bzl", "cc_library")
 load("//tools/project:build_defs.bzl", "project")
 
-project()
+project(license = "gpl3-https")
 
 genrule(
     name = "public_headers",

external/toxcore/c-toxcore/CMakeLists.txt

@@ -81,7 +81,7 @@ find_package(GTest)
 set(CMAKE_MACOSX_RPATH ON)
 
 # Set standard version for compiler.
-if(MSVC)
+if(MSVC AND MSVC_TOOLSET_VERSION LESS 143)
   # https://developercommunity.visualstudio.com/t/older-winsdk-headers-are-incompatible-with-zcprepr/1593479
   set(CMAKE_C_STANDARD 99)
 else()
@@ -94,6 +94,35 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 message(STATUS "Supported C compiler features = ${CMAKE_C_COMPILE_FEATURES}")
 message(STATUS "Supported C++ compiler features = ${CMAKE_CXX_COMPILE_FEATURES}")
 
+# Enable some warnings if we know the compiler.
+if(MSVC)
+  add_compile_options(/W4 /analyze)
+  add_compile_options(/wd4100)  # unreferenced formal parameter
+  add_compile_options(/wd4267)  # narrowing conversion
+  add_compile_options(/wd4244)  # narrowing conversion
+  add_compile_options(/wd4127)  # conditional expression is constant
+  add_compile_options(/wd4995)  # #pragma deprecated
+  add_compile_options(/wd4018)  # signed/unsigned compare
+  add_compile_options(/wd4310)  # cast truncates constant value
+  add_compile_options(/wd4389)  # signed/unsigned compare
+  add_compile_options(/wd4245)  # signed/unsigned assign/return/function call
+  add_compile_options(/wd4200)  # nonstandard extension used: zero-sized array in struct/union
+  add_compile_options(/wd4702)  # unreachable code
+  add_compile_options(/wd6340)  # unsigned int passed to signed parameter
+  add_compile_options(/wd6326)  # potential comparison of a constant with another constant
+
+  # TODO(iphydf): Look into these
+  add_compile_options(/wd4996)  # use WSAAddressToStringW() instead of WSAAddressToStringA()
+  add_compile_options(/wd6255)  # don't use alloca
+  add_compile_options(/wd6385)  # reading invalid data
+  add_compile_options(/wd6001)  # using uninitialized memory
+  add_compile_options(/wd6101)  # returning uninitialized memory
+  add_compile_options(/wd6386)  # buffer overrun
+  add_compile_options(/wd6011)  # NULL dereference
+  add_compile_options(/wd6031)  # sscanf return value ignored
+  add_compile_options(/wd6387)  # passing NULL to fwrite
+endif()
+
 set(MIN_LOGGER_LEVEL "" CACHE STRING "Logging level to use (TRACE, DEBUG, INFO, WARNING, ERROR)")
 if(MIN_LOGGER_LEVEL)
   if(("${MIN_LOGGER_LEVEL}" STREQUAL "TRACE") OR
@@ -131,21 +160,7 @@ if(BOOTSTRAP_DAEMON AND WIN32)
   set(BOOTSTRAP_DAEMON OFF)
 endif()
 
-# Enabling this breaks all other tests and no network connections will be possible
 option(BUILD_FUZZ_TESTS "Build fuzzing harnesses" OFF)
-if(BUILD_FUZZ_TESTS)
-    message(STATUS "Building in fuzz testing mode, no network connection will be possible")
-    # Disable everything we can
-    set(AUTOTEST OFF)
-    set(BUILD_MISC_TESTS OFF)
-    set(BUILD_FUN_UTILS OFF)
-    set(ENABLE_SHARED OFF)
-    set(MUST_BUILD_TOXAV OFF)
-    set(BUILD_TOXAV OFF)
-    set(BOOTSTRAP_DAEMON OFF)
-    set(DHT_BOOTSTRAP OFF)
-endif()
-
 
 if(MSVC)
   option(MSVC_STATIC_SODIUM "Whether to link libsodium statically for MSVC" OFF)
@@ -323,14 +338,20 @@ set(toxcore_SOURCES
   toxcore/tox.h
   toxcore/tox_private.c
   toxcore/tox_private.h
+  toxcore/tox_pack.c
+  toxcore/tox_pack.h
   toxcore/tox_unpack.c
   toxcore/tox_unpack.h
   toxcore/util.c
   toxcore/util.h)
-set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} ${LIBSODIUM_LIBRARIES})
-set(toxcore_LINK_DIRECTORIES ${toxcore_LINK_DIRECTORIES} ${LIBSODIUM_LIBRARY_DIRS})
-set(toxcore_INCLUDE_DIRECTORIES ${toxcore_INCLUDE_DIRECTORIES} ${LIBSODIUM_INCLUDE_DIRS})
-set(toxcore_COMPILE_OPTIONS ${toxcore_COMPILE_OPTIONS} ${LIBSODIUM_CFLAGS_OTHER})
+if(TARGET unofficial-sodium::sodium)
+  set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} unofficial-sodium::sodium)
+else()
+  set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} ${LIBSODIUM_LIBRARIES})
+  set(toxcore_LINK_DIRECTORIES ${toxcore_LINK_DIRECTORIES} ${LIBSODIUM_LIBRARY_DIRS})
+  set(toxcore_INCLUDE_DIRECTORIES ${toxcore_INCLUDE_DIRECTORIES} ${LIBSODIUM_INCLUDE_DIRS})
+  set(toxcore_COMPILE_OPTIONS ${toxcore_COMPILE_OPTIONS} ${LIBSODIUM_CFLAGS_OTHER})
+endif()
 set(toxcore_PKGCONFIG_REQUIRES ${toxcore_PKGCONFIG_REQUIRES} libsodium)
 set(toxcore_API_HEADERS
   ${toxcore_SOURCE_DIR}/toxcore/tox.h^tox
@@ -366,10 +387,14 @@ if(BUILD_TOXAV)
   set(toxcore_API_HEADERS ${toxcore_API_HEADERS}
     ${toxcore_SOURCE_DIR}/toxav/toxav.h^toxav)
 
-  set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} ${OPUS_LIBRARIES} ${VPX_LIBRARIES})
-  set(toxcore_LINK_DIRECTORIES ${toxcore_LINK_DIRECTORIES} ${OPUS_LIBRARY_DIRS} ${VPX_LIBRARY_DIRS})
-  set(toxcore_INCLUDE_DIRECTORIES ${toxcore_INCLUDE_DIRECTORIES} ${OPUS_INCLUDE_DIRS} ${VPX_INCLUDE_DIRS})
-  set(toxcore_COMPILE_OPTIONS ${toxcore_COMPILE_OPTIONS} ${OPUS_CFLAGS_OTHER} ${VPX_CFLAGS_OTHER})
+  if(MSVC)
+    set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} PkgConfig::OPUS PkgConfig::VPX)
+  else()
+    set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} ${OPUS_LIBRARIES} ${VPX_LIBRARIES})
+    set(toxcore_LINK_DIRECTORIES ${toxcore_LINK_DIRECTORIES} ${OPUS_LIBRARY_DIRS} ${VPX_LIBRARY_DIRS})
+    set(toxcore_INCLUDE_DIRECTORIES ${toxcore_INCLUDE_DIRECTORIES} ${OPUS_INCLUDE_DIRS} ${VPX_INCLUDE_DIRS})
+    set(toxcore_COMPILE_OPTIONS ${toxcore_COMPILE_OPTIONS} ${OPUS_CFLAGS_OTHER} ${VPX_CFLAGS_OTHER})
+  endif()
   set(toxcore_PKGCONFIG_REQUIRES ${toxcore_PKGCONFIG_REQUIRES} opus vpx)
 endif()
 
@@ -400,7 +425,6 @@ if(CMAKE_THREAD_LIBS_INIT)
   set(toxcore_PKGCONFIG_LIBS ${toxcore_PKGCONFIG_LIBS} ${CMAKE_THREAD_LIBS_INIT})
 endif()
 
-
 if(NSL_LIBRARIES)
   set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} ${NSL_LIBRARIES})
   set(toxcore_PKGCONFIG_LIBS ${toxcore_PKGCONFIG_LIBS} -lnsl)
@@ -416,9 +440,13 @@ if(SOCKET_LIBRARIES)
   set(toxcore_PKGCONFIG_LIBS ${toxcore_PKGCONFIG_LIBS} -lsocket)
 endif()
 
+if(TARGET PThreads4W::PThreads4W)
+  set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} PThreads4W::PThreads4W)
+elseif(TARGET Threads::Threads)
+  set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} Threads::Threads)
+endif()
 if(WIN32)
-  set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} ws2_32 iphlpapi)
-  set(toxcore_PKGCONFIG_LIBS ${toxcore_PKGCONFIG_LIBS} -lws2_32 -liphlpapi)
+  set(toxcore_LINK_LIBRARIES ${toxcore_LINK_LIBRARIES} iphlpapi wsock32 ws2_32)
 endif()
 
 ################################################################################
@@ -428,20 +456,33 @@ endif()
 ################################################################################
 
 # Create combined library from all the sources.
-add_module(toxcore ${toxcore_SOURCES})
+if(ENABLE_SHARED)
+  add_library(toxcore_shared SHARED ${toxcore_SOURCES})
+  set_target_properties(toxcore_shared PROPERTIES OUTPUT_NAME toxcore)
+  target_link_libraries(toxcore_shared PRIVATE ${toxcore_LINK_LIBRARIES})
+  target_link_directories(toxcore_shared PUBLIC ${toxcore_LINK_DIRECTORIES})
+  target_include_directories(toxcore_shared SYSTEM PRIVATE ${toxcore_INCLUDE_DIRECTORIES})
+  target_compile_options(toxcore_shared PRIVATE ${toxcore_COMPILE_OPTIONS})
+endif()
 
-# Link it to all dependencies.
-if(TARGET toxcore_static)
+if(ENABLE_STATIC)
+  add_library(toxcore_static STATIC ${toxcore_SOURCES})
+  if(NOT MSVC)
+    set_target_properties(toxcore_static PROPERTIES OUTPUT_NAME toxcore)
+  endif()
   target_link_libraries(toxcore_static PRIVATE ${toxcore_LINK_LIBRARIES})
   target_link_directories(toxcore_static PUBLIC ${toxcore_LINK_DIRECTORIES})
   target_include_directories(toxcore_static SYSTEM PRIVATE ${toxcore_INCLUDE_DIRECTORIES})
   target_compile_options(toxcore_static PRIVATE ${toxcore_COMPILE_OPTIONS})
 endif()
-if(TARGET toxcore_shared)
-  target_link_libraries(toxcore_shared PRIVATE ${toxcore_LINK_LIBRARIES})
-  target_link_directories(toxcore_shared PUBLIC ${toxcore_LINK_DIRECTORIES})
-  target_include_directories(toxcore_shared SYSTEM PRIVATE ${toxcore_INCLUDE_DIRECTORIES})
-  target_compile_options(toxcore_shared PRIVATE ${toxcore_COMPILE_OPTIONS})
+
+if(BUILD_FUZZ_TESTS)
+  add_library(toxcore_fuzz STATIC ${toxcore_SOURCES})
+  target_link_libraries(toxcore_fuzz PRIVATE ${toxcore_LINK_LIBRARIES})
+  target_link_directories(toxcore_fuzz PUBLIC ${toxcore_LINK_DIRECTORIES})
+  target_include_directories(toxcore_fuzz SYSTEM PRIVATE ${toxcore_INCLUDE_DIRECTORIES})
+  target_compile_options(toxcore_fuzz PRIVATE ${toxcore_COMPILE_OPTIONS})
+  target_compile_definitions(toxcore_fuzz PUBLIC "FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION")
 endif()
 
 # Make version script (on systems that support it) to limit symbol visibility.
@@ -457,14 +498,27 @@ install_module(toxcore DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/tox)
 #
 ################################################################################
 
+add_library(test_util STATIC
+  toxcore/DHT_test_util.cc
+  toxcore/DHT_test_util.hh
+  toxcore/crypto_core_test_util.cc
+  toxcore/crypto_core_test_util.hh
+  toxcore/mem_test_util.cc
+  toxcore/mem_test_util.hh
+  toxcore/network_test_util.cc
+  toxcore/network_test_util.hh
+  toxcore/test_util.cc
+  toxcore/test_util.hh)
+
 function(unit_test subdir target)
   add_executable(unit_${target}_test ${subdir}/${target}_test.cc)
+  target_link_libraries(unit_${target}_test PRIVATE test_util)
   if(TARGET toxcore_static)
     target_link_libraries(unit_${target}_test PRIVATE toxcore_static)
   else()
     target_link_libraries(unit_${target}_test PRIVATE toxcore_shared)
   endif()
-  target_link_libraries(unit_${target}_test PRIVATE GTest::GTest GTest::Main)
+  target_link_libraries(unit_${target}_test PRIVATE GTest::gtest GTest::gtest_main GTest::gmock)
   set_target_properties(unit_${target}_test PROPERTIES COMPILE_FLAGS "${TEST_CXX_FLAGS}")
   add_test(NAME ${target} COMMAND ${CROSSCOMPILING_EMULATOR} unit_${target}_test)
   set_property(TEST ${target} PROPERTY ENVIRONMENT "LLVM_PROFILE_FILE=${target}.profraw")
@@ -484,6 +538,7 @@ if(GTEST_FOUND)
   unit_test(toxcore mem)
   unit_test(toxcore mono_time)
   unit_test(toxcore ping_array)
+  unit_test(toxcore test_util)
   unit_test(toxcore tox)
   unit_test(toxcore util)
 endif()
@@ -516,6 +571,14 @@ if(DHT_BOOTSTRAP)
     target_link_libraries(DHT_bootstrap PRIVATE toxcore_shared)
   endif()
   target_link_libraries(DHT_bootstrap PRIVATE misc_tools)
+  if(TARGET unofficial-sodium::sodium)
+    target_link_libraries(DHT_bootstrap PRIVATE unofficial-sodium::sodium)
+  endif()
+  if(TARGET PThreads4W::PThreads4W)
+    target_link_libraries(DHT_bootstrap PRIVATE PThreads4W::PThreads4W)
+  elseif(TARGET Threads::Threads)
+    target_link_libraries(DHT_bootstrap PRIVATE Threads::Threads)
+  endif()
   install(TARGETS DHT_bootstrap RUNTIME DESTINATION bin)
 endif()
 

external/toxcore/c-toxcore/CMakePresets.json

@@ -0,0 +1,21 @@
+{
+    "version": 3,
+    "configurePresets": [
+        {
+            "name": "windows-default",
+            "binaryDir": "${sourceDir}/_build",
+            "cacheVariables": {
+                "ENABLE_SHARED": true,
+                "ENABLE_STATIC": true,
+                "AUTOTEST": true,
+                "BUILD_MISC_TESTS": true,
+                "BOOTSTRAP_DAEMON": false,
+                "MUST_BUILD_TOXAV": true,
+                "TEST_TIMEOUT_SECONDS": "60",
+                "CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS": true,
+                "CMAKE_COMPILE_WARNING_AS_ERROR": true,
+                "CMAKE_TOOLCHAIN_FILE": "$env{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake"
+            }
+        }
+    ]
+}

external/toxcore/c-toxcore/LICENSE

@@ -1,7 +1,7 @@
                     GNU GENERAL PUBLIC LICENSE
                        Version 3, 29 June 2007
 
- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
@@ -645,7 +645,7 @@ the "copyright" line and a pointer to where the full notice is found.
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 Also add information on how to contact you by electronic and paper mail.
 
@@ -664,12 +664,11 @@ might be different; for a GUI interface, you would use an "about box".
   You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
+<https://www.gnu.org/licenses/>.
 
   The GNU General Public License does not permit incorporating your program
 into proprietary programs.  If your program is a subroutine library, you
 may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.
-
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

external/toxcore/c-toxcore/auto_tests/CMakeLists.txt

@@ -9,6 +9,11 @@ if(TARGET toxcore_static)
 else()
   target_link_libraries(auto_test_support PRIVATE toxcore_shared)
 endif()
+if(TARGET PThreads4W::PThreads4W)
+  target_link_libraries(auto_test_support PRIVATE PThreads4W::PThreads4W)
+elseif(TARGET Threads::Threads)
+  target_link_libraries(auto_test_support PRIVATE Threads::Threads)
+endif()
 
 function(auto_test target)
   add_executable(auto_${target}_test ${target}_test.c)
@@ -18,12 +23,15 @@ function(auto_test target)
   else()
     target_link_libraries(auto_${target}_test PRIVATE toxcore_shared)
   endif()
-  if(NOT ARGV1 STREQUAL "DONT_RUN")
-    add_test(NAME ${target} COMMAND ${CROSSCOMPILING_EMULATOR} auto_${target}_test)
-    set_tests_properties(${target} PROPERTIES TIMEOUT "${TEST_TIMEOUT_SECONDS}")
-    # add the source dir as environment variable, so the testdata can be found
-    set_tests_properties(${target} PROPERTIES ENVIRONMENT "LLVM_PROFILE_FILE=${target}.profraw;srcdir=${CMAKE_CURRENT_SOURCE_DIR}")
+  if(TARGET PThreads4W::PThreads4W)
+    target_link_libraries(auto_${target}_test PRIVATE PThreads4W::PThreads4W)
+  elseif(TARGET Threads::Threads)
+    target_link_libraries(auto_${target}_test PRIVATE Threads::Threads)
   endif()
+  add_test(NAME ${target} COMMAND ${CROSSCOMPILING_EMULATOR} auto_${target}_test)
+  set_tests_properties(${target} PROPERTIES TIMEOUT "${TEST_TIMEOUT_SECONDS}")
+  # add the source dir as environment variable, so the testdata can be found
+  set_tests_properties(${target} PROPERTIES ENVIRONMENT "LLVM_PROFILE_FILE=${target}.profraw;srcdir=${CMAKE_CURRENT_SOURCE_DIR}")
 endfunction()
 
 auto_test(TCP)
@@ -38,8 +46,9 @@ auto_test(crypto)
 #auto_test(dht)  # Doesn't work with UNITY_BUILD.
 auto_test(dht_getnodes_api)
 auto_test(encryptsave)
-auto_test(file_transfer)
 auto_test(file_saving)
+auto_test(file_streaming)
+auto_test(file_transfer)
 auto_test(forwarding)
 auto_test(friend_connection)
 auto_test(friend_request)
@@ -89,15 +98,20 @@ if(BUILD_TOXAV)
   auto_test(toxav_basic)
   auto_test(toxav_many)
 
-  target_link_libraries(auto_toxav_basic_test PRIVATE ${VPX_LIBRARIES})
-  target_link_directories(auto_toxav_basic_test PRIVATE ${VPX_LIBRARY_DIRS})
-  target_include_directories(auto_toxav_basic_test SYSTEM PRIVATE ${VPX_INCLUDE_DIRS})
-  target_compile_options(auto_toxav_basic_test PRIVATE ${VPX_CFLAGS_OTHER})
+  if(MSVC)
+    target_link_libraries(auto_toxav_basic_test PRIVATE PkgConfig::VPX)
+    target_link_libraries(auto_toxav_many_test PRIVATE PkgConfig::VPX)
+  else()
+    target_link_libraries(auto_toxav_basic_test PRIVATE ${VPX_LIBRARIES})
+    target_link_directories(auto_toxav_basic_test PRIVATE ${VPX_LIBRARY_DIRS})
+    target_include_directories(auto_toxav_basic_test SYSTEM PRIVATE ${VPX_INCLUDE_DIRS})
+    target_compile_options(auto_toxav_basic_test PRIVATE ${VPX_CFLAGS_OTHER})
 
-  target_link_libraries(auto_toxav_many_test PRIVATE ${VPX_LIBRARIES})
-  target_link_directories(auto_toxav_many_test PRIVATE ${VPX_LIBRARY_DIRS})
-  target_include_directories(auto_toxav_many_test SYSTEM PRIVATE ${VPX_INCLUDE_DIRS})
-  target_compile_options(auto_toxav_many_test PRIVATE ${VPX_CFLAGS_OTHER})
+    target_link_libraries(auto_toxav_many_test PRIVATE ${VPX_LIBRARIES})
+    target_link_directories(auto_toxav_many_test PRIVATE ${VPX_LIBRARY_DIRS})
+    target_include_directories(auto_toxav_many_test SYSTEM PRIVATE ${VPX_INCLUDE_DIRS})
+    target_compile_options(auto_toxav_many_test PRIVATE ${VPX_CFLAGS_OTHER})
+  endif()
 endif()
 
 if(PROXY_TEST)

external/toxcore/c-toxcore/auto_tests/Makefile.inc

@@ -15,6 +15,7 @@ TESTS = \
 	crypto_test \
 	encryptsave_test \
 	file_saving_test \
+	file_streaming_test \
 	file_transfer_test \
 	forwarding_test \
 	friend_connection_test \
@@ -103,6 +104,10 @@ file_saving_test_SOURCES = ../auto_tests/file_saving_test.c
 file_saving_test_CFLAGS = $(AUTOTEST_CFLAGS)
 file_saving_test_LDADD = $(AUTOTEST_LDADD)
 
+file_streaming_test_SOURCES = ../auto_tests/file_streaming_test.c
+file_streaming_test_CFLAGS = $(AUTOTEST_CFLAGS)
+file_streaming_test_LDADD = $(AUTOTEST_LDADD)
+
 file_transfer_test_SOURCES = ../auto_tests/file_transfer_test.c
 file_transfer_test_CFLAGS = $(AUTOTEST_CFLAGS)
 file_transfer_test_LDADD = $(AUTOTEST_LDADD)
@@ -187,14 +192,14 @@ TCP_test_SOURCES = ../auto_tests/TCP_test.c
 TCP_test_CFLAGS = $(AUTOTEST_CFLAGS)
 TCP_test_LDADD = $(AUTOTEST_LDADD)
 
-tox_events_test_SOURCES = ../auto_tests/tox_events_test.c
-tox_events_test_CFLAGS = $(AUTOTEST_CFLAGS)
-tox_events_test_LDADD = $(AUTOTEST_LDADD)
-
 tox_dispatch_test_SOURCES = ../auto_tests/tox_dispatch_test.c
 tox_dispatch_test_CFLAGS = $(AUTOTEST_CFLAGS)
 tox_dispatch_test_LDADD = $(AUTOTEST_LDADD)
 
+tox_events_test_SOURCES = ../auto_tests/tox_events_test.c
+tox_events_test_CFLAGS = $(AUTOTEST_CFLAGS)
+tox_events_test_LDADD = $(AUTOTEST_LDADD)
+
 tox_many_tcp_test_SOURCES = ../auto_tests/tox_many_tcp_test.c
 tox_many_tcp_test_CFLAGS = $(AUTOTEST_CFLAGS)
 tox_many_tcp_test_LDADD = $(AUTOTEST_LDADD)

external/toxcore/c-toxcore/auto_tests/auto_test_support.c

@@ -13,6 +13,10 @@
 #define ABORT_ON_LOG_ERROR true
 #endif
 
+#ifndef USE_IPV6
+#define USE_IPV6 1
+#endif
+
 Run_Auto_Options default_run_auto_options(void)
 {
     return (Run_Auto_Options) {
@@ -149,6 +153,8 @@ void set_mono_time_callback(AutoTox *autotox)
     Mono_Time *mono_time = autotox->tox->mono_time;
 
     autotox->clock = current_time_monotonic(mono_time);
+    ck_assert_msg(autotox->clock >= 1000,
+                  "clock is too low (not initialised?): %lu", (unsigned long)autotox->clock);
     mono_time_set_current_time_callback(mono_time, nullptr, nullptr);  // set to default first
     mono_time_set_current_time_callback(mono_time, get_state_clock_callback, &autotox->clock);
 }
@@ -191,6 +197,7 @@ void reload(AutoTox *autotox)
 
     struct Tox_Options *const options = tox_options_new(nullptr);
     ck_assert(options != nullptr);
+    tox_options_set_ipv6_enabled(options, USE_IPV6);
     tox_options_set_savedata_type(options, TOX_SAVEDATA_TYPE_TOX_SAVE);
     tox_options_set_savedata_data(options, autotox->save_state, autotox->save_size);
     autotox->tox = tox_new_log(options, nullptr, &autotox->index);
@@ -212,6 +219,8 @@ static void initialise_autotox(struct Tox_Options *options, AutoTox *autotox, ui
         struct Tox_Options *default_opts = tox_options_new(nullptr);
         ck_assert(default_opts != nullptr);
 
+        tox_options_set_ipv6_enabled(default_opts, USE_IPV6);
+
         if (options == nullptr) {
             options = default_opts;
         }
@@ -424,6 +433,7 @@ Tox *tox_new_log_lan(struct Tox_Options *options, Tox_Err_New *err, void *log_us
 
     assert(log_options != nullptr);
 
+    tox_options_set_ipv6_enabled(log_options, USE_IPV6);
     tox_options_set_local_discovery_enabled(log_options, lan_discovery);
     // Use a higher start port for non-LAN-discovery tests so it's more likely for the LAN discovery
     // test to get the default port 33445.

external/toxcore/c-toxcore/auto_tests/check_compat.h

@@ -9,7 +9,7 @@
 #define ck_assert(ok) do {                                              \
   if (!(ok)) {                                                          \
     fprintf(stderr, "%s:%d: failed `%s'\n", __FILE__, __LINE__, #ok);   \
-    abort();                                                            \
+    exit(7);                                                            \
   }                                                                     \
 } while (0)
 
@@ -18,7 +18,7 @@
     fprintf(stderr, "%s:%d: failed `%s': ", __FILE__, __LINE__, #ok);   \
     fprintf(stderr, __VA_ARGS__);                                       \
     fprintf(stderr, "\n");                                              \
-    abort();                                                            \
+    exit(7);                                                            \
   }                                                                     \
 } while (0)
 
@@ -26,7 +26,7 @@
   fprintf(stderr, "%s:%d: ", __FILE__, __LINE__);                       \
   fprintf(stderr, __VA_ARGS__);                                         \
   fprintf(stderr, "\n");                                                \
-  abort();                                                              \
+  exit(7);                                                              \
 } while (0)
 
 #endif // C_TOXCORE_AUTO_TESTS_CHECK_COMPAT_H

external/toxcore/c-toxcore/auto_tests/file_streaming_test.c

@@ -0,0 +1,275 @@
+/* File transfer test: streaming version (no known size).
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "../testing/misc_tools.h"
+#include "../toxcore/ccompat.h"
+#include "../toxcore/tox.h"
+#include "../toxcore/util.h"
+#include "auto_test_support.h"
+#include "check_compat.h"
+
+#ifndef USE_IPV6
+#define USE_IPV6 1
+#endif
+
+#ifdef TOX_LOCALHOST
+#undef TOX_LOCALHOST
+#endif
+#if USE_IPV6
+#define TOX_LOCALHOST "::1"
+#else
+#define TOX_LOCALHOST "127.0.0.1"
+#endif
+
+static void accept_friend_request(Tox *m, const uint8_t *public_key, const uint8_t *data, size_t length, void *userdata)
+{
+    if (length == 7 && memcmp("Gentoo", data, 7) == 0) {
+        tox_friend_add_norequest(m, public_key, nullptr);
+    }
+}
+
+static uint64_t size_recv;
+static uint64_t sending_pos;
+
+static uint8_t file_cmp_id[TOX_FILE_ID_LENGTH];
+static uint32_t file_accepted;
+static uint64_t file_size;
+static void tox_file_receive(Tox *tox, uint32_t friend_number, uint32_t file_number, uint32_t kind, uint64_t filesize,
+                             const uint8_t *filename, size_t filename_length, void *userdata)
+{
+    ck_assert_msg(kind == TOX_FILE_KIND_DATA, "bad kind");
+
+    ck_assert_msg(filename_length == sizeof("Gentoo.exe")
+                  && memcmp(filename, "Gentoo.exe", sizeof("Gentoo.exe")) == 0, "bad filename");
+
+    uint8_t file_id[TOX_FILE_ID_LENGTH];
+
+    ck_assert_msg(tox_file_get_file_id(tox, friend_number, file_number, file_id, nullptr), "tox_file_get_file_id error");
+
+    ck_assert_msg(memcmp(file_id, file_cmp_id, TOX_FILE_ID_LENGTH) == 0, "bad file_id");
+
+    uint8_t empty[TOX_FILE_ID_LENGTH] = {0};
+
+    ck_assert_msg(memcmp(empty, file_cmp_id, TOX_FILE_ID_LENGTH) != 0, "empty file_id");
+
+    file_size = filesize;
+
+    if (filesize) {
+        sending_pos = size_recv = 1337;
+
+        Tox_Err_File_Seek err_s;
+
+        ck_assert_msg(tox_file_seek(tox, friend_number, file_number, 1337, &err_s), "tox_file_seek error");
+
+        ck_assert_msg(err_s == TOX_ERR_FILE_SEEK_OK, "tox_file_seek wrong error");
+
+    } else {
+        sending_pos = size_recv = 0;
+    }
+
+    Tox_Err_File_Control error;
+
+    ck_assert_msg(tox_file_control(tox, friend_number, file_number, TOX_FILE_CONTROL_RESUME, &error),
+                  "tox_file_control failed. %i", error);
+    ++file_accepted;
+
+    Tox_Err_File_Seek err_s;
+
+    ck_assert_msg(!tox_file_seek(tox, friend_number, file_number, 1234, &err_s), "tox_file_seek no error");
+
+    ck_assert_msg(err_s == TOX_ERR_FILE_SEEK_DENIED, "tox_file_seek wrong error");
+}
+
+static uint32_t sendf_ok;
+static void file_print_control(Tox *tox, uint32_t friend_number, uint32_t file_number, Tox_File_Control control,
+                               void *userdata)
+{
+    /* First send file num is 0.*/
+    if (file_number == 0 && control == TOX_FILE_CONTROL_RESUME) {
+        sendf_ok = 1;
+    }
+}
+
+static uint64_t max_sending;
+static bool m_send_reached;
+static uint8_t sending_num;
+static bool file_sending_done;
+static void tox_file_chunk_request(Tox *tox, uint32_t friend_number, uint32_t file_number, uint64_t position,
+                                   size_t length, void *user_data)
+{
+    ck_assert_msg(sendf_ok, "didn't get resume control");
+
+    ck_assert_msg(sending_pos == position, "bad position %lu", (unsigned long)position);
+
+    if (length == 0) {
+        ck_assert_msg(!file_sending_done, "file sending already done");
+
+        file_sending_done = 1;
+        return;
+    }
+
+    if (position + length > max_sending) {
+        ck_assert_msg(!m_send_reached, "requested done file transfer");
+
+        length = max_sending - position;
+        m_send_reached = 1;
+    }
+
+    VLA(uint8_t, f_data, length);
+    memset(f_data, sending_num, length);
+
+    Tox_Err_File_Send_Chunk error;
+    tox_file_send_chunk(tox, friend_number, file_number, position, f_data, length, &error);
+
+
+    ck_assert_msg(error == TOX_ERR_FILE_SEND_CHUNK_OK,
+                  "could not send chunk, error num=%d pos=%d len=%d", (int)error, (int)position, (int)length);
+
+    ++sending_num;
+    sending_pos += length;
+}
+
+
+static uint8_t num;
+static bool file_recv;
+static void write_file(Tox *tox, uint32_t friendnumber, uint32_t filenumber, uint64_t position, const uint8_t *data,
+                       size_t length, void *user_data)
+{
+    ck_assert_msg(size_recv == position, "bad position");
+
+    if (length == 0) {
+        file_recv = 1;
+        return;
+    }
+
+    VLA(uint8_t, f_data, length);
+    memset(f_data, num, length);
+    ++num;
+
+    ck_assert_msg(memcmp(f_data, data, length) == 0, "FILE_CORRUPTED");
+
+    size_recv += length;
+}
+
+static void file_transfer_test(void)
+{
+    printf("Starting test: few_clients\n");
+    uint32_t index[] = { 1, 2, 3 };
+    long long unsigned int cur_time = time(nullptr);
+    Tox_Err_New t_n_error;
+    Tox *tox1 = tox_new_log(nullptr, &t_n_error, &index[0]);
+    ck_assert_msg(t_n_error == TOX_ERR_NEW_OK, "wrong error");
+    Tox *tox2 = tox_new_log(nullptr, &t_n_error, &index[1]);
+    ck_assert_msg(t_n_error == TOX_ERR_NEW_OK, "wrong error");
+    Tox *tox3 = tox_new_log(nullptr, &t_n_error, &index[2]);
+    ck_assert_msg(t_n_error == TOX_ERR_NEW_OK, "wrong error");
+
+    ck_assert_msg(tox1 && tox2 && tox3, "Failed to create 3 tox instances");
+
+    tox_callback_friend_request(tox2, accept_friend_request);
+    uint8_t address[TOX_ADDRESS_SIZE];
+    tox_self_get_address(tox2, address);
+    uint32_t test = tox_friend_add(tox3, address, (const uint8_t *)"Gentoo", 7, nullptr);
+    ck_assert_msg(test == 0, "Failed to add friend error code: %u", test);
+
+    uint8_t dht_key[TOX_PUBLIC_KEY_SIZE];
+    tox_self_get_dht_id(tox1, dht_key);
+    uint16_t dht_port = tox_self_get_udp_port(tox1, nullptr);
+
+    tox_bootstrap(tox2, TOX_LOCALHOST, dht_port, dht_key, nullptr);
+    tox_bootstrap(tox3, TOX_LOCALHOST, dht_port, dht_key, nullptr);
+
+    printf("Waiting for toxes to come online\n");
+
+    do {
+        tox_iterate(tox1, nullptr);
+        tox_iterate(tox2, nullptr);
+        tox_iterate(tox3, nullptr);
+
+        printf("Connections: self (%d, %d, %d), friends (%d, %d)\n",
+               tox_self_get_connection_status(tox1),
+               tox_self_get_connection_status(tox2),
+               tox_self_get_connection_status(tox3),
+               tox_friend_get_connection_status(tox2, 0, nullptr),
+               tox_friend_get_connection_status(tox3, 0, nullptr));
+        c_sleep(ITERATION_INTERVAL);
+    } while (tox_self_get_connection_status(tox1) == TOX_CONNECTION_NONE ||
+             tox_self_get_connection_status(tox2) == TOX_CONNECTION_NONE ||
+             tox_self_get_connection_status(tox3) == TOX_CONNECTION_NONE ||
+             tox_friend_get_connection_status(tox2, 0, nullptr) == TOX_CONNECTION_NONE ||
+             tox_friend_get_connection_status(tox3, 0, nullptr) == TOX_CONNECTION_NONE);
+
+    printf("Starting file transfer test: 100MiB file.\n");
+
+    file_accepted = file_size = sendf_ok = size_recv = 0;
+    file_recv = 0;
+    max_sending = UINT64_MAX;
+    uint64_t totalf_size = 100 * 1024 * 1024;
+
+    printf("Starting file streaming transfer test.\n");
+
+    file_sending_done = 0;
+    file_accepted = 0;
+    file_size = 0;
+    sendf_ok = 0;
+    size_recv = 0;
+    file_recv = 0;
+    tox_callback_file_recv_chunk(tox3, write_file);
+    tox_callback_file_recv_control(tox2, file_print_control);
+    tox_callback_file_chunk_request(tox2, tox_file_chunk_request);
+    tox_callback_file_recv_control(tox3, file_print_control);
+    tox_callback_file_recv(tox3, tox_file_receive);
+    totalf_size = UINT64_MAX;
+    Tox_File_Number fnum = tox_file_send(
+        tox2, 0, TOX_FILE_KIND_DATA, totalf_size, nullptr,
+        (const uint8_t *)"Gentoo.exe", sizeof("Gentoo.exe"), nullptr);
+    ck_assert_msg(fnum != UINT32_MAX, "tox_new_file_sender fail");
+
+    Tox_Err_File_Get gfierr;
+    ck_assert_msg(!tox_file_get_file_id(tox2, 1, fnum, file_cmp_id, &gfierr), "tox_file_get_file_id didn't fail");
+    ck_assert_msg(gfierr == TOX_ERR_FILE_GET_FRIEND_NOT_FOUND, "wrong error");
+    ck_assert_msg(!tox_file_get_file_id(tox2, 0, fnum + 1, file_cmp_id, &gfierr), "tox_file_get_file_id didn't fail");
+    ck_assert_msg(gfierr == TOX_ERR_FILE_GET_NOT_FOUND, "wrong error");
+    ck_assert_msg(tox_file_get_file_id(tox2, 0, fnum, file_cmp_id, &gfierr), "tox_file_get_file_id failed");
+    ck_assert_msg(gfierr == TOX_ERR_FILE_GET_OK, "wrong error");
+
+    max_sending = 100 * 1024;
+    m_send_reached = 0;
+
+    do {
+        tox_iterate(tox1, nullptr);
+        tox_iterate(tox2, nullptr);
+        tox_iterate(tox3, nullptr);
+
+        uint32_t tox1_interval = tox_iteration_interval(tox1);
+        uint32_t tox2_interval = tox_iteration_interval(tox2);
+        uint32_t tox3_interval = tox_iteration_interval(tox3);
+
+        c_sleep(min_u32(tox1_interval, min_u32(tox2_interval, tox3_interval)));
+    } while (!file_sending_done);
+
+    ck_assert_msg(sendf_ok && file_recv && m_send_reached && totalf_size == file_size && size_recv == max_sending
+                  && sending_pos == size_recv && file_accepted == 1,
+                  "something went wrong in file transfer %u %u %u %u %u %u %u %lu %lu %lu %lu", sendf_ok, file_recv,
+                  m_send_reached, totalf_size == file_size, size_recv == max_sending, sending_pos == size_recv, file_accepted == 1,
+                  (unsigned long)totalf_size, (unsigned long)file_size,
+                  (unsigned long)size_recv, (unsigned long)sending_pos);
+
+    printf("file_transfer_test succeeded, took %llu seconds\n", time(nullptr) - cur_time);
+
+    tox_kill(tox1);
+    tox_kill(tox2);
+    tox_kill(tox3);
+}
+
+int main(void)
+{
+    setvbuf(stdout, nullptr, _IONBF, 0);
+    file_transfer_test();
+    return 0;
+}

external/toxcore/c-toxcore/auto_tests/file_transfer_test.c

@@ -13,9 +13,14 @@
 #include "auto_test_support.h"
 #include "check_compat.h"
 
-/* The Travis-CI container responds poorly to ::1 as a localhost address
- * You're encouraged to -D FORCE_TESTS_IPV6 on a local test  */
-#ifdef FORCE_TESTS_IPV6
+#ifndef USE_IPV6
+#define USE_IPV6 1
+#endif
+
+#ifdef TOX_LOCALHOST
+#undef TOX_LOCALHOST
+#endif
+#if USE_IPV6
 #define TOX_LOCALHOST "::1"
 #else
 #define TOX_LOCALHOST "127.0.0.1"
@@ -261,53 +266,6 @@ static void file_transfer_test(void)
 
     printf("100MiB file sent in %lu seconds\n", (unsigned long)(time(nullptr) - f_time));
 
-    printf("Starting file streaming transfer test.\n");
-
-    file_sending_done = 0;
-    file_accepted = 0;
-    file_size = 0;
-    sendf_ok = 0;
-    size_recv = 0;
-    file_recv = 0;
-    tox_callback_file_recv_chunk(tox3, write_file);
-    tox_callback_file_recv_control(tox2, file_print_control);
-    tox_callback_file_chunk_request(tox2, tox_file_chunk_request);
-    tox_callback_file_recv_control(tox3, file_print_control);
-    tox_callback_file_recv(tox3, tox_file_receive);
-    totalf_size = UINT64_MAX;
-    fnum = tox_file_send(tox2, 0, TOX_FILE_KIND_DATA, totalf_size, nullptr,
-                         (const uint8_t *)"Gentoo.exe", sizeof("Gentoo.exe"), nullptr);
-    ck_assert_msg(fnum != UINT32_MAX, "tox_new_file_sender fail");
-
-    ck_assert_msg(!tox_file_get_file_id(tox2, 1, fnum, file_cmp_id, &gfierr), "tox_file_get_file_id didn't fail");
-    ck_assert_msg(gfierr == TOX_ERR_FILE_GET_FRIEND_NOT_FOUND, "wrong error");
-    ck_assert_msg(!tox_file_get_file_id(tox2, 0, fnum + 1, file_cmp_id, &gfierr), "tox_file_get_file_id didn't fail");
-    ck_assert_msg(gfierr == TOX_ERR_FILE_GET_NOT_FOUND, "wrong error");
-    ck_assert_msg(tox_file_get_file_id(tox2, 0, fnum, file_cmp_id, &gfierr), "tox_file_get_file_id failed");
-    ck_assert_msg(gfierr == TOX_ERR_FILE_GET_OK, "wrong error");
-
-    max_sending = 100 * 1024;
-    m_send_reached = 0;
-
-    do {
-        tox_iterate(tox1, nullptr);
-        tox_iterate(tox2, nullptr);
-        tox_iterate(tox3, nullptr);
-
-        uint32_t tox1_interval = tox_iteration_interval(tox1);
-        uint32_t tox2_interval = tox_iteration_interval(tox2);
-        uint32_t tox3_interval = tox_iteration_interval(tox3);
-
-        c_sleep(min_u32(tox1_interval, min_u32(tox2_interval, tox3_interval)));
-    } while (!file_sending_done);
-
-    ck_assert_msg(sendf_ok && file_recv && m_send_reached && totalf_size == file_size && size_recv == max_sending
-                  && sending_pos == size_recv && file_accepted == 1,
-                  "something went wrong in file transfer %u %u %u %u %u %u %u %lu %lu %lu %lu", sendf_ok, file_recv,
-                  m_send_reached, totalf_size == file_size, size_recv == max_sending, sending_pos == size_recv, file_accepted == 1,
-                  (unsigned long)totalf_size, (unsigned long)file_size,
-                  (unsigned long)size_recv, (unsigned long)sending_pos);
-
     printf("starting file 0 transfer test.\n");
 
     file_sending_done = 0;

external/toxcore/c-toxcore/auto_tests/group_message_test.c

@@ -395,8 +395,9 @@ static void group_message_test(AutoTox *autotoxes)
         iterate_all_wait(autotoxes, NUM_GROUP_TOXES, ITERATION_INTERVAL);
 
         if (state1->peer_joined && !state1->message_sent) {
-            tox_group_send_message(tox1, group_number, TOX_MESSAGE_TYPE_NORMAL, (const uint8_t *)TEST_MESSAGE,
-                                   TEST_MESSAGE_LEN, &state1->pseudo_msg_id, &err_send);
+            state1->pseudo_msg_id = tox_group_send_message(
+                    tox1, group_number, TOX_MESSAGE_TYPE_NORMAL, (const uint8_t *)TEST_MESSAGE,
+                    TEST_MESSAGE_LEN, &err_send);
             ck_assert(err_send == TOX_ERR_GROUP_SEND_MESSAGE_OK);
             state1->message_sent = true;
         }
@@ -419,7 +420,7 @@ static void group_message_test(AutoTox *autotoxes)
 
     // tox1 sends group a message which should not be seen by tox0's message handler
     tox_group_send_message(tox1, group_number, TOX_MESSAGE_TYPE_NORMAL, (const uint8_t *)IGNORE_MESSAGE,
-                           IGNORE_MESSAGE_LEN, nullptr, &err_send);
+                           IGNORE_MESSAGE_LEN, &err_send);
 
     iterate_all_wait(autotoxes, NUM_GROUP_TOXES, ITERATION_INTERVAL);
 
@@ -506,7 +507,7 @@ static void group_message_test(AutoTox *autotoxes)
 
         memcpy(m + 2, &checksum, sizeof(uint16_t));
 
-        tox_group_send_message(tox0, group_number, TOX_MESSAGE_TYPE_NORMAL, (const uint8_t *)m, message_size, nullptr, &err_send);
+        tox_group_send_message(tox0, group_number, TOX_MESSAGE_TYPE_NORMAL, (const uint8_t *)m, message_size, &err_send);
 
         ck_assert(err_send == TOX_ERR_GROUP_SEND_MESSAGE_OK);
     }
@@ -528,7 +529,7 @@ static void group_message_test(AutoTox *autotoxes)
 
         memcpy(m, &i, sizeof(uint16_t));
 
-        tox_group_send_message(tox0, group_number, TOX_MESSAGE_TYPE_NORMAL, (const uint8_t *)m, 2, nullptr, &err_send);
+        tox_group_send_message(tox0, group_number, TOX_MESSAGE_TYPE_NORMAL, (const uint8_t *)m, 2, &err_send);
         ck_assert(err_send == TOX_ERR_GROUP_SEND_MESSAGE_OK);
     }
 

external/toxcore/c-toxcore/auto_tests/group_moderation_test.c

@@ -247,7 +247,7 @@ static void handle_user(State *state, const char *peer_name, size_t peer_name_le
 }
 
 static void group_mod_event_handler(Tox *tox, uint32_t group_number, uint32_t source_peer_id, uint32_t target_peer_id,
-                                    Tox_Group_Mod_Event event, void *user_data)
+                                    Tox_Group_Mod_Event mod_type, void *user_data)
 {
     AutoTox *autotox = (AutoTox *)user_data;
     ck_assert(autotox != nullptr);
@@ -275,7 +275,11 @@ static void group_mod_event_handler(Tox *tox, uint32_t group_number, uint32_t so
     Tox_Group_Role role = tox_group_peer_get_role(tox, group_number, target_peer_id, &q_err);
     ck_assert(q_err == TOX_ERR_GROUP_PEER_QUERY_OK);
 
-    switch (event) {
+    fprintf(stderr, "tox%u: got moderator event %d (%s), role = %s\n",
+            autotox->index, mod_type, tox_group_mod_event_to_string(mod_type),
+            tox_group_role_to_string(role));
+
+    switch (mod_type) {
         case TOX_GROUP_MOD_EVENT_MODERATOR: {
             handle_mod(state, peer_name, peer_name_len, role);
             break;
@@ -298,7 +302,7 @@ static void group_mod_event_handler(Tox *tox, uint32_t group_number, uint32_t so
         }
 
         default: {
-            ck_assert_msg(0, "Got invalid moderator event %d", event);
+            ck_assert_msg(0, "Got invalid moderator event %d", mod_type);
             return;
         }
     }
@@ -334,21 +338,21 @@ static void voice_state_message_test(AutoTox *autotox, Tox_Group_Voice_State voi
     ck_assert(sq_err == TOX_ERR_GROUP_SELF_QUERY_OK);
 
     Tox_Err_Group_Send_Message msg_err;
-    bool send_ret = tox_group_send_message(autotox->tox, state->group_number, TOX_MESSAGE_TYPE_NORMAL,
-                                           (const uint8_t *)"test", 4, nullptr, &msg_err);
+    tox_group_send_message(autotox->tox, state->group_number, TOX_MESSAGE_TYPE_NORMAL,
+                           (const uint8_t *)"test", 4, &msg_err);
 
     switch (self_role) {
         case TOX_GROUP_ROLE_OBSERVER: {
-            ck_assert(!send_ret && msg_err == TOX_ERR_GROUP_SEND_MESSAGE_PERMISSIONS);
+            ck_assert(msg_err == TOX_ERR_GROUP_SEND_MESSAGE_PERMISSIONS);
             break;
         }
 
         case TOX_GROUP_ROLE_USER: {
             if (voice_state != TOX_GROUP_VOICE_STATE_ALL) {
-                ck_assert_msg(!send_ret && msg_err == TOX_ERR_GROUP_SEND_MESSAGE_PERMISSIONS,
-                              "%d, %d", send_ret, msg_err);
+                ck_assert_msg(msg_err == TOX_ERR_GROUP_SEND_MESSAGE_PERMISSIONS,
+                              "%d", msg_err);
             } else {
-                ck_assert(send_ret && msg_err == TOX_ERR_GROUP_SEND_MESSAGE_OK);
+                ck_assert(msg_err == TOX_ERR_GROUP_SEND_MESSAGE_OK);
             }
 
             break;
@@ -356,16 +360,16 @@ static void voice_state_message_test(AutoTox *autotox, Tox_Group_Voice_State voi
 
         case TOX_GROUP_ROLE_MODERATOR: {
             if (voice_state != TOX_GROUP_VOICE_STATE_FOUNDER) {
-                ck_assert(send_ret && msg_err == TOX_ERR_GROUP_SEND_MESSAGE_OK);
+                ck_assert(msg_err == TOX_ERR_GROUP_SEND_MESSAGE_OK);
             } else {
-                ck_assert(!send_ret && msg_err == TOX_ERR_GROUP_SEND_MESSAGE_PERMISSIONS);
+                ck_assert(msg_err == TOX_ERR_GROUP_SEND_MESSAGE_PERMISSIONS);
             }
 
             break;
         }
 
         case TOX_GROUP_ROLE_FOUNDER: {
-            ck_assert(send_ret && msg_err == TOX_ERR_GROUP_SEND_MESSAGE_OK);
+            ck_assert(msg_err == TOX_ERR_GROUP_SEND_MESSAGE_OK);
             break;
         }
     }

external/toxcore/c-toxcore/auto_tests/group_tcp_test.c

@@ -206,7 +206,7 @@ static void group_tcp_test(AutoTox *autotoxes)
 
     Tox_Err_Group_Send_Message merr;
     tox_group_send_message(autotoxes[0].tox, groupnumber, TOX_MESSAGE_TYPE_NORMAL,
-                           (const uint8_t *)CODEWORD, CODEWORD_LEN, nullptr, &merr);
+                           (const uint8_t *)CODEWORD, CODEWORD_LEN, &merr);
     ck_assert(merr == TOX_ERR_GROUP_SEND_MESSAGE_OK);
 
     while (!state1->got_second_code) {

external/toxcore/c-toxcore/auto_tests/save_load_test.c

@@ -14,12 +14,14 @@
 #include "auto_test_support.h"
 #include "check_compat.h"
 
-/* The Travis-CI container responds poorly to ::1 as a localhost address
- * You're encouraged to -D FORCE_TESTS_IPV6 on a local test  */
+#ifndef USE_IPV6
+#define USE_IPV6 1
+#endif
+
 #ifdef TOX_LOCALHOST
 #undef TOX_LOCALHOST
 #endif
-#ifdef FORCE_TESTS_IPV6
+#if USE_IPV6
 #define TOX_LOCALHOST "::1"
 #else
 #define TOX_LOCALHOST "127.0.0.1"
@@ -74,6 +76,7 @@ static void reload_tox(Tox **tox, struct Tox_Options *const in_opts, void *user_
     }
 
     struct Tox_Options *const options = (in_opts == nullptr) ? tox_options_new(nullptr) : in_opts;
+    tox_options_set_ipv6_enabled(options, USE_IPV6);
 
     tox_options_set_savedata_type(options, TOX_SAVEDATA_TYPE_TOX_SAVE);
 
@@ -138,6 +141,7 @@ static void test_few_clients(void)
     time_t con_time = 0, cur_time = time(nullptr);
 
     struct Tox_Options *opts1 = tox_options_new(nullptr);
+    tox_options_set_ipv6_enabled(opts1, USE_IPV6);
     tox_options_set_tcp_port(opts1, TCP_RELAY_PORT);
     Tox_Err_New t_n_error;
     Tox *tox1 = tox_new_log(opts1, &t_n_error, &index[0]);
@@ -145,12 +149,14 @@ static void test_few_clients(void)
     tox_options_free(opts1);
 
     struct Tox_Options *opts2 = tox_options_new(nullptr);
+    tox_options_set_ipv6_enabled(opts2, USE_IPV6);
     tox_options_set_udp_enabled(opts2, false);
     tox_options_set_local_discovery_enabled(opts2, false);
     Tox *tox2 = tox_new_log(opts2, &t_n_error, &index[1]);
     ck_assert_msg(t_n_error == TOX_ERR_NEW_OK, "Failed to create tox instance: %d", t_n_error);
 
     struct Tox_Options *opts3 = tox_options_new(nullptr);
+    tox_options_set_ipv6_enabled(opts3, USE_IPV6);
     tox_options_set_local_discovery_enabled(opts3, false);
     Tox *tox3 = tox_new_log(opts3, &t_n_error, &index[2]);
     ck_assert_msg(t_n_error == TOX_ERR_NEW_OK, "Failed to create tox instance: %d", t_n_error);

external/toxcore/c-toxcore/auto_tests/tox_dispatch_test.c

@@ -10,6 +10,7 @@
 #include "../toxcore/tox.h"
 #include "../toxcore/tox_dispatch.h"
 #include "../toxcore/tox_events.h"
+#include "../toxcore/tox_private.h"
 #include "../toxcore/tox_unpack.h"
 #include "auto_test_support.h"
 #include "check_compat.h"

external/toxcore/c-toxcore/auto_tests/tox_events_test.c

@@ -22,21 +22,23 @@ static bool await_message(Tox **toxes)
         Tox_Events *events = tox_events_iterate(toxes[1], false, nullptr);
 
         if (events != nullptr) {
-            ck_assert(tox_events_get_friend_message_size(events) == 1);
-            const Tox_Event_Friend_Message *msg_event = tox_events_get_friend_message(events, 0);
+            uint32_t events_size = tox_events_get_size(events);
+            ck_assert(events_size == 1);
+
+            const Tox_Event_Friend_Message *msg_event = nullptr;
+            for (uint32_t j = 0; j < events_size; ++j) {
+                const Tox_Event *ev = tox_events_get(events, j);
+                if (tox_event_get_type(ev) == TOX_EVENT_FRIEND_MESSAGE) {
+                    msg_event = tox_event_get_friend_message(ev);
+                }
+            }
+
+            ck_assert(msg_event != nullptr);
             ck_assert(tox_event_friend_message_get_message_length(msg_event) == sizeof("hello"));
             const uint8_t *msg = tox_event_friend_message_get_message(msg_event);
             ck_assert_msg(memcmp(msg, "hello", sizeof("hello")) == 0,
                           "message was not expected 'hello' but '%s'", (const char *)msg);
 
-            const uint32_t event_count = tox_events_get_size(events);
-            for (uint32_t j = 0; j < event_count; ++j) {
-                const Tox_Event *event = tox_events_get(events, j);
-                if (tox_event_get_type(event) == TOX_EVENT_FRIEND_MESSAGE) {
-                    ck_assert(tox_event_get_friend_message(event) == msg_event);
-                }
-            }
-
             tox_events_free(events);
             return true;
         }

external/toxcore/c-toxcore/auto_tests/tox_many_tcp_test.c

@@ -13,9 +13,14 @@
 #include "auto_test_support.h"
 #include "check_compat.h"
 
-/* The Travis-CI container responds poorly to ::1 as a localhost address
- * You're encouraged to -D FORCE_TESTS_IPV6 on a local test  */
-#ifdef FORCE_TESTS_IPV6
+#ifndef USE_IPV6
+#define USE_IPV6 1
+#endif
+
+#ifdef TOX_LOCALHOST
+#undef TOX_LOCALHOST
+#endif
+#if USE_IPV6
 #define TOX_LOCALHOST "::1"
 #else
 #define TOX_LOCALHOST "127.0.0.1"

external/toxcore/c-toxcore/cmake/Dependencies.cmake

@@ -1,19 +1,26 @@
 ###############################################################################
 #
-# :: For UNIX-like systems that have pkg-config.
+# :: For systems that have pkg-config.
 #
 ###############################################################################
 
-include(ModulePackage)
-
-find_package(Threads REQUIRED)
+find_package(PkgConfig REQUIRED)
 
 find_library(NSL_LIBRARIES    nsl   )
 find_library(RT_LIBRARIES     rt    )
 find_library(SOCKET_LIBRARIES socket)
 
+find_package(pthreads QUIET)
+if(NOT TARGET PThreads4W::PThreads4W)
+  set(THREADS_PREFER_PTHREAD_FLAG ON)
+  find_package(Threads REQUIRED)
+endif()
+
 # For toxcore.
-pkg_search_module(LIBSODIUM   libsodium IMPORTED_TARGET)
+pkg_search_module(LIBSODIUM   libsodium IMPORTED_TARGET REQUIRED)
+if(MSVC)
+  find_package(unofficial-sodium REQUIRED)
+endif()
 
 # For toxav.
 pkg_search_module(OPUS        opus      IMPORTED_TARGET)
@@ -27,56 +34,3 @@ endif()
 
 # For tox-bootstrapd.
 pkg_search_module(LIBCONFIG   libconfig IMPORTED_TARGET)
-
-###############################################################################
-#
-# :: For MSVC Windows builds.
-#
-# These require specific installation paths of dependencies:
-# - libsodium in third-party/libsodium/Win32/Release/v140/dynamic
-# - pthreads in third-party/pthreads-win32/Pre-built.2
-#
-###############################################################################
-
-if(MSVC)
-  # libsodium
-  # ---------
-  if(NOT LIBSODIUM_FOUND)
-    find_library(LIBSODIUM_LIBRARIES
-      NAMES sodium libsodium
-      PATHS
-        "third_party/libsodium/Win32/Release/v140/dynamic"
-        "third_party/libsodium/x64/Release/v140/dynamic"
-    )
-    if(LIBSODIUM_LIBRARIES)
-      include_directories("third_party/libsodium/include")
-      set(LIBSODIUM_FOUND TRUE)
-      message("libsodium: ${LIBSODIUM_LIBRARIES}")
-    else()
-      message(FATAL_ERROR "libsodium libraries not found")
-    endif()
-  endif()
-
-  # pthreads
-  # --------
-  if(CMAKE_USE_WIN32_THREADS_INIT)
-    find_library(CMAKE_THREAD_LIBS_INIT
-      NAMES pthreadVC2
-      PATHS
-        "third_party/pthreads-win32/Pre-built.2/lib/x86"
-        "third_party/pthreads-win32/Pre-built.2/lib/x64"
-    )
-    if(CMAKE_THREAD_LIBS_INIT)
-      include_directories("third_party/pthreads-win32/Pre-built.2/include")
-      add_definitions(-DHAVE_STRUCT_TIMESPEC)
-      message("libpthreads: ${CMAKE_THREAD_LIBS_INIT}")
-    else()
-      find_package(pthreads4w)
-      if(NOT pthreads4w_FOUND)
-        message(FATAL_ERROR "libpthreads libraries not found")
-      endif()
-      include_directories(${pthreads4w_INCLUDE_DIR})
-      link_libraries(${pthreads4w_LIBRARIES})
-    endif()
-  endif()
-endif()

external/toxcore/c-toxcore/cmake/ModulePackage.cmake

@@ -19,21 +19,6 @@ if(FULLY_STATIC)
   set(ENABLE_STATIC ON)
 endif()
 
-find_package(PkgConfig)
-
-function(add_module lib)
-  set(${lib}_SOURCES ${ARGN} PARENT_SCOPE)
-
-  if(ENABLE_SHARED)
-    add_library(${lib}_shared SHARED ${ARGN})
-    set_target_properties(${lib}_shared PROPERTIES OUTPUT_NAME ${lib})
-  endif()
-  if(ENABLE_STATIC)
-    add_library(${lib}_static STATIC ${ARGN})
-    set_target_properties(${lib}_static PROPERTIES OUTPUT_NAME ${lib})
-  endif()
-endfunction()
-
 function(install_module lib)
   if(TARGET ${lib}_shared)
     set_target_properties(${lib}_shared PROPERTIES

external/toxcore/c-toxcore/heroku.yml

@@ -1,4 +0,0 @@
----
-build:
-  docker:
-    web: other/bootstrap_daemon/websocket/Dockerfile

external/toxcore/c-toxcore/other/BUILD.bazel

@@ -21,13 +21,11 @@ cc_binary(
         "//c-toxcore/toxcore:Messenger",
         "//c-toxcore/toxcore:TCP_server",
         "//c-toxcore/toxcore:ccompat",
-        "//c-toxcore/toxcore:friend_requests",
         "//c-toxcore/toxcore:group_onion_announce",
         "//c-toxcore/toxcore:logger",
         "//c-toxcore/toxcore:mono_time",
         "//c-toxcore/toxcore:network",
         "//c-toxcore/toxcore:onion_announce",
         "//c-toxcore/toxcore:tox",
-        "//c-toxcore/toxcore:util",
     ],
 )

external/toxcore/c-toxcore/other/DHT_bootstrap.c

@@ -16,12 +16,17 @@
 #include "../toxcore/DHT.h"
 #include "../toxcore/LAN_discovery.h"
 #include "../toxcore/ccompat.h"
-#include "../toxcore/friend_requests.h"
+#include "../toxcore/crypto_core.h"
+#include "../toxcore/forwarding.h"
+#include "../toxcore/group_announce.h"
 #include "../toxcore/group_onion_announce.h"
 #include "../toxcore/logger.h"
+#include "../toxcore/mem.h"
 #include "../toxcore/mono_time.h"
+#include "../toxcore/network.h"
+#include "../toxcore/onion.h"
+#include "../toxcore/onion_announce.h"
 #include "../toxcore/tox.h"
-#include "../toxcore/util.h"
 
 #define TCP_RELAY_ENABLED
 
@@ -46,7 +51,7 @@ static const char *motd_str = ""; //Change this to anything within 256 bytes(but
 #define PORT 33445
 
 
-static void manage_keys(DHT *dht)
+static bool manage_keys(DHT *dht)
 {
     enum { KEYS_SIZE = CRYPTO_PUBLIC_KEY_SIZE + CRYPTO_SECRET_KEY_SIZE };
     uint8_t keys[KEYS_SIZE];
@@ -60,7 +65,8 @@ static void manage_keys(DHT *dht)
 
         if (read_size != KEYS_SIZE) {
             printf("Error while reading the key file\nExiting.\n");
-            exit(1);
+            fclose(keys_file);
+            return false;
         }
 
         dht_set_self_public_key(dht, keys);
@@ -73,18 +79,20 @@ static void manage_keys(DHT *dht)
 
         if (keys_file == nullptr) {
             printf("Error opening key file in write mode.\nKeys will not be saved.\n");
-            return;
+            return false;
         }
 
         if (fwrite(keys, sizeof(uint8_t), KEYS_SIZE, keys_file) != KEYS_SIZE) {
             printf("Error while writing the key file.\nExiting.\n");
-            exit(1);
+            fclose(keys_file);
+            return false;
         }
 
         printf("Keys saved successfully.\n");
     }
 
     fclose(keys_file);
+    return true;
 }
 
 static const char *strlevel(Logger_Level level)
@@ -121,7 +129,7 @@ int main(int argc, char *argv[])
     if (argc == 2 && !tox_strncasecmp(argv[1], "-h", 3)) {
         printf("Usage (connected)  : %s [--ipv4|--ipv6] IP PORT KEY\n", argv[0]);
         printf("Usage (unconnected): %s [--ipv4|--ipv6]\n", argv[0]);
-        exit(0);
+        return 0;
     }
 
     /* let user override default by cmdline */
@@ -129,7 +137,7 @@ int main(int argc, char *argv[])
     int argvoffset = cmdline_parsefor_ipv46(argc, argv, &ipv6enabled);
 
     if (argvoffset < 0) {
-        exit(1);
+        return 1;
     }
 
     /* Initialize networking -
@@ -162,14 +170,16 @@ int main(int argc, char *argv[])
 
     if (!(onion && forwarding && onion_a)) {
         printf("Something failed to initialize.\n");
-        exit(1);
+        return 1;
     }
 
     gca_onion_init(gc_announces_list, onion_a);
 
     perror("Initialization");
 
-    manage_keys(dht);
+    if (!manage_keys(dht)) {
+        return 1;
+    }
     printf("Public key: ");
 
 #ifdef TCP_RELAY_ENABLED
@@ -179,7 +189,7 @@ int main(int argc, char *argv[])
 
     if (tcp_s == nullptr) {
         printf("TCP server failed to initialize.\n");
-        exit(1);
+        return 1;
     }
 
 #endif
@@ -189,7 +199,7 @@ int main(int argc, char *argv[])
 
     if (file == nullptr) {
         printf("Could not open file \"%s\" for writing. Exiting...\n", public_id_filename);
-        exit(1);
+        return 1;
     }
 
     for (uint32_t i = 0; i < 32; ++i) {
@@ -210,7 +220,7 @@ int main(int argc, char *argv[])
 
         if (port_conv <= 0 || port_conv > UINT16_MAX) {
             printf("Failed to convert \"%s\" into a valid port. Exiting...\n", argv[argvoffset + 2]);
-            exit(1);
+            return 1;
         }
 
         const uint16_t port = net_htons((uint16_t)port_conv);
@@ -222,7 +232,7 @@ int main(int argc, char *argv[])
 
         if (!res) {
             printf("Failed to convert \"%s\" into an IP address. Exiting...\n", argv[argvoffset + 1]);
-            exit(1);
+            return 1;
         }
     }
 

external/toxcore/c-toxcore/other/analysis/check_includes

@@ -31,8 +31,8 @@ out = (subprocess.run(
 
 errors = 0
 for line in out.split("\n"):
-    # other/fun can do what it wants.
-    if "/fun/" in line:
+    # other/fun and mallocfail can do what they want.
+    if "/fun/" in line or "/mallocfail/" in line:
         continue
     filename, include = line.split(":", 1)
     # We only check headers.

external/toxcore/c-toxcore/other/analysis/gen-file.sh

@@ -15,7 +15,7 @@ CPPFLAGS+=("-Itoxav")
 CPPFLAGS+=("-Itoxencryptsave")
 CPPFLAGS+=("-Ithird_party/cmp")
 
-LDFLAGS=("-lopus" "-lsodium" "-lvpx" "-lpthread" "-lconfig" "-lgtest")
+LDFLAGS=("-lopus" "-lsodium" "-lvpx" "-lpthread" "-lconfig" "-lgmock" "-lgtest")
 LDFLAGS+=("-fuse-ld=gold")
 LDFLAGS+=("-Wl,--detect-odr-violations")
 LDFLAGS+=("-Wl,--warn-common")

external/toxcore/c-toxcore/other/analysis/run-clang

@@ -10,7 +10,7 @@ run() {
     "${CPPFLAGS[@]}" \
     "${LDFLAGS[@]}" \
     "$@" \
-    -std=c++11 \
+    -std=c++17 \
     -Werror \
     -Weverything \
     -Wno-alloca \

external/toxcore/c-toxcore/other/analysis/run-clang-analyze

@@ -9,7 +9,7 @@ run() {
   clang++ --analyze amalgamation.cc \
     "${CPPFLAGS[@]}" \
     "$@" \
-    -std=c++11
+    -std=c++20
 }
 
 . other/analysis/variants.sh

external/toxcore/c-toxcore/other/analysis/run-clang-tidy

@@ -1,6 +1,64 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 CHECKS="*"
+ERRORS="*"
+
+# Need to investigate or disable and document these.
+# =========================================================
+
+# TODO(iphydf): Fix these.
+ERRORS="$ERRORS,-cert-err34-c"
+ERRORS="$ERRORS,-readability-suspicious-call-argument"
+
+# TODO(iphydf): Fix once cimple 0.0.19 is released.
+CHECKS="$CHECKS,-google-readability-casting"
+
+# TODO(iphydf): Fix these.
+CHECKS="$CHECKS,-bugprone-switch-missing-default-case"
+
+# TODO(iphydf): We might want some of these. For the ones we don't want, add a
+# comment explaining why not.
+CHECKS="$CHECKS,-clang-analyzer-optin.performance.Padding"
+CHECKS="$CHECKS,-hicpp-signed-bitwise"
+
+# TODO(iphydf): Maybe fix these?
+CHECKS="$CHECKS,-bugprone-implicit-widening-of-multiplication-result"
+CHECKS="$CHECKS,-bugprone-integer-division"
+CHECKS="$CHECKS,-misc-no-recursion"
+
+# TODO(iphydf): Only happens in bootstrap_daemon. Fix it.
+CHECKS="$CHECKS,-cppcoreguidelines-avoid-non-const-global-variables"
+
+# TODO(iphydf): Probably fix these.
+CHECKS="$CHECKS,-cert-err33-c"
+CHECKS="$CHECKS,-cppcoreguidelines-avoid-magic-numbers"
+CHECKS="$CHECKS,-readability-magic-numbers"
+
+# TODO(iphydf): We're using a lot of macros for constants. Should we convert
+# all of them to enum?
+CHECKS="$CHECKS,-modernize-macro-to-enum"
+
+# Documented disabled checks. We don't want these for sure.
+# =========================================================
+
+# https://stackoverflow.com/questions/58672959/why-does-clang-tidy-say-vsnprintf-has-an-uninitialized-va-list-argument
+CHECKS="$CHECKS,-clang-analyzer-valist.Uninitialized"
+
+# We pass a lot of ints around, so many function parameters are some kind of
+# int type that can be converted from another int type. We won't be getting
+# away from that anytime soon.
+CHECKS="$CHECKS,-bugprone-easily-swappable-parameters"
+
+# Callback handlers often don't use all their parameters. There's
+# IgnoreVirtual, but that doesn't work for C-style callbacks.
+CHECKS="$CHECKS,-misc-unused-parameters"
+
+# We sometimes use #if 0.
+CHECKS="$CHECKS,-readability-avoid-unconditional-preprocessor-if"
+
+# We have better macro hygiene checks with tokstyle. We can never pass macro
+# arguments that require parentheses inside the macro.
+CHECKS="$CHECKS,-bugprone-macro-parentheses"
 
 # We don't use memcpy_s.
 CHECKS="$CHECKS,-clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling"
@@ -81,62 +139,48 @@ CHECKS="$CHECKS,-cert-dcl03-c"
 CHECKS="$CHECKS,-hicpp-static-assert"
 CHECKS="$CHECKS,-misc-static-assert"
 
-# TODO(iphydf): We might want some of these. For the ones we don't want, add a
-# comment explaining why not.
-CHECKS="$CHECKS,-clang-analyzer-optin.performance.Padding"
-CHECKS="$CHECKS,-hicpp-signed-bitwise"
-CHECKS="$CHECKS,-misc-unused-parameters"
-CHECKS="$CHECKS,-readability-function-cognitive-complexity"
-
-# TODO(iphydf): Maybe fix these?
-CHECKS="$CHECKS,-bugprone-easily-swappable-parameters"
-CHECKS="$CHECKS,-bugprone-implicit-widening-of-multiplication-result"
-CHECKS="$CHECKS,-bugprone-integer-division"
-CHECKS="$CHECKS,-clang-analyzer-core.NullDereference"
-CHECKS="$CHECKS,-clang-analyzer-valist.Uninitialized"
-CHECKS="$CHECKS,-concurrency-mt-unsafe"
-CHECKS="$CHECKS,-cppcoreguidelines-avoid-non-const-global-variables"
-CHECKS="$CHECKS,-misc-no-recursion"
-
-# TODO(iphydf): Probably fix these.
-CHECKS="$CHECKS,-cert-err33-c"
-CHECKS="$CHECKS,-cppcoreguidelines-avoid-magic-numbers"
-CHECKS="$CHECKS,-google-readability-casting"
-CHECKS="$CHECKS,-modernize-macro-to-enum"
-CHECKS="$CHECKS,-readability-magic-numbers"
-
-# TODO(iphydf): These two trip on list.c. Investigate why.
-CHECKS="$CHECKS,-clang-analyzer-core.NonNullParamChecker"
-CHECKS="$CHECKS,-clang-analyzer-unix.Malloc"
-
-ERRORS="*"
-
-# TODO(iphydf): Fix these.
-ERRORS="$ERRORS,-bugprone-macro-parentheses"
-ERRORS="$ERRORS,-cert-err34-c"
-ERRORS="$ERRORS,-cert-str34-c"
-ERRORS="$ERRORS,-readability-suspicious-call-argument"
-
 set -eux
 
+# TODO(iphydf): Add toxav.
+DIRS=(
+  other/bootstrap_daemon/src
+  other
+  toxcore
+  toxcore/events
+  toxencryptsave
+)
+
+copy_files() {
+  find "${DIRS[@]}" \
+    -maxdepth 1 -type d -exec mkdir -p "$1/{}" \;
+  find "${DIRS[@]}" \
+    -maxdepth 1 -name "*.c" -exec cp "{}" "$1/{}" \;
+}
+
 run() {
   echo "Running clang-tidy in variant '$*'"
   EXTRA_ARGS=("$@")
   for i in "${!EXTRA_ARGS[@]}"; do
     EXTRA_ARGS[$i]="--extra-arg=${EXTRA_ARGS[$i]}"
   done
-  clang-tidy-14 \
-    -p=_build \
-    --extra-arg=-DMIN_LOGGER_LEVEL=LOGGER_LEVEL_TRACE \
-    "${EXTRA_ARGS[@]}" \
-    --checks="$CHECKS" \
-    --warnings-as-errors="$ERRORS" \
-    --use-color \
-    other/bootstrap_daemon/src/*.c \
-    other/*.c \
-    toxav/*.c \
-    toxcore/*.c \
-    toxencryptsave/*.c
+  ls .clang-tidy
+  copy_files a
+  if ! find "${DIRS[@]}" \
+    -maxdepth 1 -name "*.c" -print0 \
+    | xargs -0 -n15 -P"$(nproc)" clang-tidy \
+      -p="$PWD/_build" \
+      --extra-arg=-DMIN_LOGGER_LEVEL=LOGGER_LEVEL_TRACE \
+      "${EXTRA_ARGS[@]}" \
+      --fix \
+      --checks="$CHECKS" \
+      --warnings-as-errors="$ERRORS" \
+      --use-color; then
+    copy_files b
+    colordiff -ru a b
+    rm -rf a b
+    false
+  fi
+  rm -rf a
 }
 
 cmake . -B_build -GNinja -DCMAKE_EXPORT_COMPILE_COMMANDS=ON

external/toxcore/c-toxcore/other/analysis/run-cppcheck

@@ -34,6 +34,8 @@ CPPCHECK_CXX+=("--suppress=AssignmentAddressToInteger")
 CPPCHECK_CXX+=("--suppress=cstyleCast")
 # Used in Messenger.c for a static_assert(...)
 CPPCHECK_CXX+=("--suppress=sizeofFunctionCall")
+# This is outdated. Range-for is a good choice.
+CPPCHECK_CXX+=("--suppress=useStlAlgorithm")
 
 run() {
   echo "Running cppcheck in variant '$*'"

external/toxcore/c-toxcore/other/analysis/run-gcc

@@ -11,7 +11,7 @@ run() {
     "${CPPFLAGS[@]}" \
     "${LDFLAGS[@]}" \
     "$@" \
-    -std=c++11 \
+    -std=c++17 \
     -fdiagnostics-color=always \
     -Wall \
     -Wextra \

external/toxcore/c-toxcore/other/analysis/run-infer

@@ -1,25 +0,0 @@
-#!/bin/sh
-
-# --bufferoverrun \
-# --pulse \
-
-read -r -d '' SCRIPT <<'EOF'
-infer \
-  --report-console-limit 100 \
-  --jobs 8 \
-  --biabduction \
-  --loop-hoisting \
-  --quandary \
-  --racerd \
-  --starvation \
-  --uninit \
-  -- clang++ -fsyntax-only \
-  $(pkg-config --cflags libconfig libsodium opus vpx) \
-  /work/other/bootstrap_daemon/src/*.c \
-  /work/other/bootstrap_node_packets.c \
-  /work/toxav/*.c \
-  /work/toxcore/*.c \
-  /work/toxencryptsave/*.c
-EOF
-
-docker run --rm -it -v "$PWD:/work" toxchat/infer bash -c "$SCRIPT"

external/toxcore/c-toxcore/other/astyle/astylerc

@@ -16,7 +16,6 @@
 --align-reference=name
 
 # Formatting Options
---add-brackets
 --convert-tabs
 --max-code-length=120
 

external/toxcore/c-toxcore/other/bootstrap_daemon/BUILD.bazel

@@ -18,7 +18,6 @@ cc_binary(
         "//c-toxcore/toxcore:mono_time",
         "//c-toxcore/toxcore:onion_announce",
         "//c-toxcore/toxcore:tox",
-        "//c-toxcore/toxcore:util",
         "@libconfig",
     ],
 )

external/toxcore/c-toxcore/other/bootstrap_daemon/README.md

@@ -259,7 +259,7 @@ docker run -d --name tox-bootstrapd --restart always \
   toxchat/bootstrap-node
 ```
 
-We create a new user and protect its home directory in order to mount it in the Docker image, so that the kyepair the daemon uses would be stored on the host system, which makes it less likely that you would loose the keypair while playing with or updating the Docker container.
+We create a new user and protect its home directory in order to mount it in the Docker image, so that the keypair the daemon uses would be stored on the host system, which makes it less likely that you would loose the keypair while playing with or updating the Docker container.
 
 You can check logs for your public key or any errors:
 ```sh

external/toxcore/c-toxcore/other/bootstrap_daemon/docker/Dockerfile

@@ -12,8 +12,7 @@ RUN ["apk", "--no-cache", "add",\
  "libsodium-static",\
  "musl-dev",\
  "ninja",\
- "python3"\
-]
+ "python3"]
 
 WORKDIR /src/c-toxcore
 
@@ -49,8 +48,10 @@ RUN CC=clang cmake -B_build -H. \
 # Verify checksum from dev-built binary, so we can be sure Docker Hub doesn't
 # mess with your binaries.
 COPY other/bootstrap_daemon/docker/tox-bootstrapd.sha256 other/bootstrap_daemon/docker/
-RUN sha256sum /usr/local/bin/tox-bootstrapd && \
-    sha256sum -c other/bootstrap_daemon/docker/tox-bootstrapd.sha256
+RUN SHA256="$(sha256sum /usr/local/bin/tox-bootstrapd)" && \
+    (sha256sum -c other/bootstrap_daemon/docker/tox-bootstrapd.sha256 || \
+    (echo "::error file=other/bootstrap_daemon/docker/tox-bootstrapd.sha256,line=1::$SHA256" && \
+     false))
 
 # Remove all the example bootstrap nodes from the config file.
 COPY other/bootstrap_daemon/tox-bootstrapd.conf other/bootstrap_daemon/

external/toxcore/c-toxcore/other/bootstrap_daemon/docker/fetch-sha256

@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+import json
+import os
+import pprint
+import subprocess
+import sys
+import urllib.request
+from typing import Any
+
+SHA256_FILE = "other/bootstrap_daemon/docker/tox-bootstrapd.sha256"
+
+with open(f"{os.environ['HOME']}/.github-token") as fh:
+    token = fh.read().strip()
+
+head_sha = (subprocess.run(["git", "rev-parse", "HEAD"],
+                           capture_output=True,
+                           check=True).stdout.decode("utf-8").strip())
+
+
+def request(url: str) -> Any:
+    return json.loads(
+        urllib.request.urlopen(
+            urllib.request.Request(
+                url,
+                headers={
+                    "Accept": "application/vnd.github+json",
+                    "Authorization": "Bearer " + token,
+                    "X-GitHub-Api-Version": "2022-11-28",
+                },
+            )).read())
+
+
+pp = pprint.PrettyPrinter(indent=2, compact=True)
+annots = [
+    a for r in request(
+        f"https://api.github.com/repos/TokTok/c-toxcore/commits/{head_sha}/check-runs?per_page=100"
+    )["check_runs"] if r["name"] == "docker-bootstrap-node"
+    for a in request(r["output"]["annotations_url"])
+    if a["path"] == SHA256_FILE
+]
+if not annots:
+    print("could not find sha256sum output")
+    sys.exit(1)
+with open(SHA256_FILE, "w") as fh:
+    fh.write(annots[0]["message"] + "\n")
+    print(f"updated {SHA256_FILE}")

external/toxcore/c-toxcore/other/bootstrap_daemon/docker/tox-bootstrapd.sha256

@@ -1 +1 @@
-b0bd5099f2f77fbd540a5a929a23cece39ff95e3a66702a5381342d01775cbd3  /usr/local/bin/tox-bootstrapd
+0b904988d79b9576bb88c6c7316d107b5a61bd6119a0992ebd7c1fa43db70abf  /usr/local/bin/tox-bootstrapd

external/toxcore/c-toxcore/other/bootstrap_daemon/src/command_line_arguments.c

@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-3.0-or-later
- * Copyright © 2016-2018 The TokTok team.
+ * Copyright © 2016-2024 The TokTok team.
  * Copyright © 2015-2016 Tox project.
  */
 
@@ -10,12 +10,12 @@
 #include "command_line_arguments.h"
 
 #include "global.h"
+#include "log.h"
 
 #include "../../../toxcore/ccompat.h"
 
 #include <getopt.h>
 
-#include <stdlib.h>
 #include <string.h>
 
 
@@ -24,9 +24,9 @@
  */
 static void print_help(void)
 {
-    // 2 space ident
-    // make sure all lines fit into 80 columns
-    // make sure options are listed in alphabetical order
+    // 2 space indent
+    // Make sure all lines fit into 80 columns
+    // Make sure options are listed in alphabetical order
     log_write(LOG_LEVEL_INFO,
               "Usage: tox-bootstrapd [OPTION]... --config=FILE_PATH\n"
               "\n"
@@ -39,7 +39,7 @@ static void print_help(void)
               "                         (detach from the terminal) and won't use the PID file.\n"
               "  --help                 Print this help message.\n"
               "  --log-backend=BACKEND  Specify which logging backend to use.\n"
-              "                         Valid BACKEND values (case sensetive):\n"
+              "                         Valid BACKEND values (case sensitive):\n"
               "                           syslog Writes log messages to syslog.\n"
               "                                  Default option when no --log-backend is\n"
               "                                  specified.\n"
@@ -47,13 +47,14 @@ static void print_help(void)
               "  --version              Print version information.\n");
 }
 
-void handle_command_line_arguments(int argc, char *argv[], char **cfg_file_path, LOG_BACKEND *log_backend,
-                                   bool *run_in_foreground)
+Cli_Status handle_command_line_arguments(
+        int argc, char *argv[], char **cfg_file_path, LOG_BACKEND *log_backend,
+        bool *run_in_foreground)
 {
     if (argc < 2) {
         log_write(LOG_LEVEL_ERROR, "Error: No arguments provided.\n\n");
         print_help();
-        exit(1);
+        return CLI_STATUS_ERROR;
     }
 
     opterr = 0;
@@ -89,7 +90,7 @@ void handle_command_line_arguments(int argc, char *argv[], char **cfg_file_path,
 
             case 'h':
                 print_help();
-                exit(0);
+                return CLI_STATUS_DONE;
 
             case 'l':
                 if (strcmp(optarg, "syslog") == 0) {
@@ -101,24 +102,24 @@ void handle_command_line_arguments(int argc, char *argv[], char **cfg_file_path,
                 } else {
                     log_write(LOG_LEVEL_ERROR, "Error: Invalid BACKEND value for --log-backend option passed: %s\n\n", optarg);
                     print_help();
-                    exit(1);
+                    return CLI_STATUS_ERROR;
                 }
 
                 break;
 
             case 'v':
                 log_write(LOG_LEVEL_INFO, "Version: %lu\n", DAEMON_VERSION_NUMBER);
-                exit(0);
+                return CLI_STATUS_DONE;
 
             case '?':
                 log_write(LOG_LEVEL_ERROR, "Error: Unrecognized option %s\n\n", argv[optind - 1]);
                 print_help();
-                exit(1);
+                return CLI_STATUS_ERROR;
 
             case ':':
                 log_write(LOG_LEVEL_ERROR, "Error: No argument provided for option %s\n\n", argv[optind - 1]);
                 print_help();
-                exit(1);
+                return CLI_STATUS_ERROR;
         }
     }
 
@@ -129,6 +130,8 @@ void handle_command_line_arguments(int argc, char *argv[], char **cfg_file_path,
     if (!cfg_file_path_set) {
         log_write(LOG_LEVEL_ERROR, "Error: The required --config option wasn't specified\n\n");
         print_help();
-        exit(1);
+        return CLI_STATUS_ERROR;
     }
+
+    return CLI_STATUS_OK;
 }

external/toxcore/c-toxcore/other/bootstrap_daemon/src/command_line_arguments.h

@@ -12,6 +12,15 @@
 
 #include "log.h"
 
+typedef enum Cli_Status {
+    /** Continue the program. Command line processing completed. */
+    CLI_STATUS_OK,
+    /** Stop the program with success status. */
+    CLI_STATUS_DONE,
+    /** Stop the program with error status. */
+    CLI_STATUS_ERROR,
+} Cli_Status;
+
 /**
  * Handles command line arguments, setting cfg_file_path and log_backend.
  * Terminates the application if incorrect arguments are specified.
@@ -22,7 +31,8 @@
  * @param log_backend Sets to the provided by the user log backend option.
  * @param run_in_foreground Sets to the provided by the user foreground option.
  */
-void handle_command_line_arguments(int argc, char *argv[], char **cfg_file_path, LOG_BACKEND *log_backend,
-                                   bool *run_in_foreground);
+Cli_Status handle_command_line_arguments(
+        int argc, char *argv[], char **cfg_file_path, LOG_BACKEND *log_backend,
+        bool *run_in_foreground);
 
 #endif // C_TOXCORE_OTHER_BOOTSTRAP_DAEMON_SRC_COMMAND_LINE_ARGUMENTS_H

external/toxcore/c-toxcore/other/bootstrap_daemon/src/config.c

@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-3.0-or-later
- * Copyright © 2016-2023 The TokTok team.
+ * Copyright © 2016-2024 The TokTok team.
  * Copyright © 2014-2016 Tox project.
  */
 
@@ -10,6 +10,7 @@
 #include "config.h"
 
 #include "config_defaults.h"
+#include "global.h"
 #include "log.h"
 
 #include <stdio.h>
@@ -18,6 +19,10 @@
 
 #include <libconfig.h>
 
+#include "../../../toxcore/DHT.h"
+#include "../../../toxcore/ccompat.h"
+#include "../../../toxcore/crypto_core.h"
+#include "../../../toxcore/network.h"
 #include "../../bootstrap_node_packets.h"
 
 /**
@@ -51,7 +56,7 @@ static void parse_tcp_relay_ports_config(config_t *cfg, uint16_t **tcp_relay_por
             log_write(LOG_LEVEL_INFO, "Port #%zu: %u\n", i, default_ports[i]);
         }
 
-        // similar procedure to the one of reading config file below
+        // Similar procedure to the one of reading config file below
         *tcp_relay_ports = (uint16_t *)malloc(default_ports_count * sizeof(uint16_t));
 
         for (size_t i = 0; i < default_ports_count; ++i) {
@@ -68,7 +73,7 @@ static void parse_tcp_relay_ports_config(config_t *cfg, uint16_t **tcp_relay_por
             ++*tcp_relay_port_count;
         }
 
-        // the loop above skips invalid ports, so we adjust the allocated memory size
+        // The loop above skips invalid ports, so we adjust the allocated memory size
         if ((*tcp_relay_port_count) > 0) {
             *tcp_relay_ports = (uint16_t *)realloc(*tcp_relay_ports, (*tcp_relay_port_count) * sizeof(uint16_t));
         } else {
@@ -98,7 +103,7 @@ static void parse_tcp_relay_ports_config(config_t *cfg, uint16_t **tcp_relay_por
         config_setting_t *elem = config_setting_get_elem(ports_array, i);
 
         if (elem == nullptr) {
-            // it's NULL if `ports_array` is not an array (we have that check earlier) or if `i` is out of range, which should not be
+            // It's NULL if `ports_array` is not an array (we have that check earlier) or if `i` is out of range, which should not be
             log_write(LOG_LEVEL_WARNING, "Port #%d: Something went wrong while parsing the port. Stopping reading ports.\n", i);
             break;
         }
@@ -120,7 +125,7 @@ static void parse_tcp_relay_ports_config(config_t *cfg, uint16_t **tcp_relay_por
         ++*tcp_relay_port_count;
     }
 
-    // the loop above skips invalid ports, so we adjust the allocated memory size
+    // The loop above skips invalid ports, so we adjust the allocated memory size
     if ((*tcp_relay_port_count) > 0) {
         *tcp_relay_ports = (uint16_t *)realloc(*tcp_relay_ports, (*tcp_relay_port_count) * sizeof(uint16_t));
     } else {
@@ -260,7 +265,7 @@ int get_general_config(const char *cfg_file_path, char **pid_file_path, char **k
 
     log_write(LOG_LEVEL_INFO, "'%s': %s\n", NAME_ENABLE_TCP_RELAY,     *enable_tcp_relay     ? "true" : "false");
 
-    // show info about tcp ports only if tcp relay is enabled
+    // Show info about tcp ports only if tcp relay is enabled
     if (*enable_tcp_relay) {
         if (*tcp_relay_port_count == 0) {
             log_write(LOG_LEVEL_ERROR, "No TCP ports could be read.\n");
@@ -407,7 +412,7 @@ int bootstrap_from_config(const char *cfg_file_path, DHT *dht, int enable_ipv6)
         log_write(LOG_LEVEL_INFO, "Successfully added bootstrap node #%d: %s:%d %s\n", i, bs_address, bs_port, bs_public_key);
 
 next:
-        // config_setting_lookup_string() allocates string inside and doesn't allow us to free it direcly
+        // config_setting_lookup_string() allocates string inside and doesn't allow us to free it directly
         // though it's freed when the element is removed, so we free it right away in order to keep memory
         // consumption minimal
         config_setting_remove_elem(node_list, 0);

external/toxcore/c-toxcore/other/bootstrap_daemon/src/config.h

@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-3.0-or-later
- * Copyright © 2016-2018 The TokTok team.
+ * Copyright © 2016-2024 The TokTok team.
  * Copyright © 2014-2016 Tox project.
  */
 
@@ -30,7 +30,7 @@ int get_general_config(const char *cfg_file_path, char **pid_file_path, char **k
  * Bootstraps off nodes listed in the config file.
  *
  * @return 1 on success, some or no bootstrap nodes were added
- *         0 on failure, a error accured while parsing config file.
+ *         0 on failure, an error occurred while parsing the config file.
  */
 int bootstrap_from_config(const char *cfg_file_path, DHT *dht, int enable_ipv6);
 

external/toxcore/c-toxcore/other/bootstrap_daemon/src/log.c

@@ -3,6 +3,8 @@
  * Copyright © 2015-2016 Tox project.
  */
 
+#include <stdarg.h>
+
 /*
  * Tox DHT bootstrap daemon.
  * Logging utility with support of multiple logging backends.

external/toxcore/c-toxcore/other/bootstrap_daemon/src/log_backend_stdout.c

@@ -9,8 +9,11 @@
  */
 #include "log_backend_stdout.h"
 
+#include <stdarg.h>
 #include <stdio.h>
 
+#include "log.h"
+
 static FILE *log_backend_stdout_level(LOG_LEVEL level)
 {
     switch (level) {

external/toxcore/c-toxcore/other/bootstrap_daemon/src/log_backend_syslog.c

@@ -10,10 +10,12 @@
 #include "log_backend_syslog.h"
 
 #include "global.h"
+#include "log.h"
 
 #include "../../../toxcore/ccompat.h"
 
 #include <assert.h>
+#include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <syslog.h>

external/toxcore/c-toxcore/other/bootstrap_daemon/src/tox-bootstrapd.c

@@ -23,17 +23,24 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 
 // toxcore
-#include "../../../toxcore/tox.h"
+#include "../../../toxcore/DHT.h"
 #include "../../../toxcore/LAN_discovery.h"
 #include "../../../toxcore/TCP_server.h"
 #include "../../../toxcore/announce.h"
+#include "../../../toxcore/ccompat.h"
+#include "../../../toxcore/crypto_core.h"
+#include "../../../toxcore/forwarding.h"
+#include "../../../toxcore/group_announce.h"
 #include "../../../toxcore/group_onion_announce.h"
 #include "../../../toxcore/logger.h"
+#include "../../../toxcore/mem.h"
 #include "../../../toxcore/mono_time.h"
+#include "../../../toxcore/network.h"
+#include "../../../toxcore/onion.h"
 #include "../../../toxcore/onion_announce.h"
-#include "../../../toxcore/util.h"
 
 // misc
 #include "../../bootstrap_node_packets.h"
@@ -116,7 +123,7 @@ static void print_public_key(const uint8_t *public_key)
 // Demonizes the process, appending PID to the PID file and closing file descriptors based on log backend
 // Terminates the application if the daemonization fails.
 
-static void daemonize(LOG_BACKEND log_backend, char *pid_file_path)
+static Cli_Status daemonize(LOG_BACKEND log_backend, char *pid_file_path)
 {
     // Check if the PID file exists
     FILE *pid_file = fopen(pid_file_path, "r");
@@ -131,7 +138,7 @@ static void daemonize(LOG_BACKEND log_backend, char *pid_file_path)
 
     if (pid_file == nullptr) {
         log_write(LOG_LEVEL_ERROR, "Couldn't open the PID file for writing: %s. Exiting.\n", pid_file_path);
-        exit(1);
+        return CLI_STATUS_ERROR;
     }
 
     // Fork off from the parent process
@@ -141,27 +148,27 @@ static void daemonize(LOG_BACKEND log_backend, char *pid_file_path)
         fprintf(pid_file, "%d", pid);
         fclose(pid_file);
         log_write(LOG_LEVEL_INFO, "Forked successfully: PID: %d.\n", pid);
-        exit(0);
+        return CLI_STATUS_DONE;
     } else {
         fclose(pid_file);
     }
 
     if (pid < 0) {
         log_write(LOG_LEVEL_ERROR, "Forking failed. Exiting.\n");
-        exit(1);
+        return CLI_STATUS_ERROR;
     }
 
     // Create a new SID for the child process
     if (setsid() < 0) {
         log_write(LOG_LEVEL_ERROR, "SID creation failure. Exiting.\n");
-        exit(1);
+        return CLI_STATUS_ERROR;
     }
 
 
     // Change the current working directory
     if ((chdir("/")) < 0) {
         log_write(LOG_LEVEL_ERROR, "Couldn't change working directory to '/'. Exiting.\n");
-        exit(1);
+        return CLI_STATUS_ERROR;
     }
 
     // Go quiet
@@ -170,6 +177,8 @@ static void daemonize(LOG_BACKEND log_backend, char *pid_file_path)
         close(STDIN_FILENO);
         close(STDERR_FILENO);
     }
+
+    return CLI_STATUS_OK;
 }
 
 // Logs toxcore logger message using our logger facility
@@ -212,11 +221,18 @@ int main(int argc, char *argv[])
     char *cfg_file_path = nullptr;
     bool run_in_foreground = false;
 
-    // choose backend for printing command line argument parsing output based on whether the daemon is being run from a terminal
+    // Choose backend for printing command line argument parsing output based on whether the daemon is being run from a terminal
     LOG_BACKEND log_backend = isatty(STDOUT_FILENO) ? LOG_BACKEND_STDOUT : LOG_BACKEND_SYSLOG;
 
     log_open(log_backend);
-    handle_command_line_arguments(argc, argv, &cfg_file_path, &log_backend, &run_in_foreground);
+    switch (handle_command_line_arguments(argc, argv, &cfg_file_path, &log_backend, &run_in_foreground)) {
+        case CLI_STATUS_OK:
+            break;
+        case CLI_STATUS_DONE:
+            return 0;
+        case CLI_STATUS_ERROR:
+            return 1;
+    }
     log_close();
 
     log_open(log_backend);
@@ -254,7 +270,14 @@ int main(int argc, char *argv[])
     }
 
     if (!run_in_foreground) {
-        daemonize(log_backend, pid_file_path);
+        switch (daemonize(log_backend, pid_file_path)) {
+            case CLI_STATUS_OK:
+                break;
+            case CLI_STATUS_DONE:
+                return 0;
+            case CLI_STATUS_ERROR:
+                return 1;
+        }
     }
 
     free(pid_file_path);

external/toxcore/c-toxcore/other/bootstrap_node_packets.c

@@ -12,6 +12,8 @@
 
 #include <string.h>
 
+#include "../toxcore/network.h"
+
 #define INFO_REQUEST_PACKET_LENGTH 78
 
 static uint32_t bootstrap_version;

external/toxcore/c-toxcore/other/docker/autotools/Dockerfile

@@ -2,7 +2,8 @@
 # autotools-linux
 FROM ubuntu:22.04
 
-RUN apt-get update && apt-get install --no-install-recommends -y \
+RUN apt-get update && \
+ DEBIAN_FRONTEND="noninteractive" apt-get install -y --no-install-recommends \
  autoconf \
  automake \
  ca-certificates \

external/toxcore/c-toxcore/other/docker/circleci/Dockerfile

@@ -7,6 +7,7 @@ RUN apt-get update && \
  clang \
  cmake \
  libconfig-dev \
+ libgmock-dev \
  libgtest-dev \
  libopus-dev \
  libsodium-dev \

external/toxcore/c-toxcore/other/docker/clang-tidy/Dockerfile

@@ -0,0 +1,21 @@
+FROM alpine:3.19.0
+
+RUN ["apk", "add", "--no-cache", \
+ "bash", \
+ "clang", \
+ "clang-extra-tools", \
+ "cmake", \
+ "colordiff", \
+ "libconfig-dev", \
+ "libsodium-dev", \
+ "libvpx-dev", \
+ "linux-headers", \
+ "opus-dev", \
+ "pkgconfig", \
+ "samurai"]
+
+ENV CC=clang CXX=clang++
+
+COPY . /c-toxcore/
+WORKDIR /c-toxcore
+RUN other/analysis/run-clang-tidy

external/toxcore/c-toxcore/other/docker/clang-tidy/run

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+set -eux
+BUILD=clang-tidy
+docker build -t "toxchat/c-toxcore:$BUILD" -f "other/docker/$BUILD/Dockerfile" .

external/toxcore/c-toxcore/other/docker/coverage/Dockerfile

@@ -1,50 +1,57 @@
 FROM toxchat/c-toxcore:sources AS src
 FROM ubuntu:20.04 AS build
 
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
 RUN apt-get update && \
  DEBIAN_FRONTEND="noninteractive" apt-get install -y --no-install-recommends \
  ca-certificates \
- clang \
- cmake \
  curl \
- gcc \
+ && apt-get clean \
+ && rm -rf /var/lib/apt/lists/*
+
+RUN echo "deb http://apt.llvm.org/focal/ llvm-toolchain-focal-17 main" >> /etc/apt/sources.list \
+ && curl -L https://apt.llvm.org/llvm-snapshot.gpg.key | tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc \
+ && apt-get update && \
+ DEBIAN_FRONTEND="noninteractive" apt-get install -y --no-install-recommends \
+ clang-17 \
+ cmake \
  git \
  golang-1.18 \
+ libclang-rt-17-dev \
  libconfig-dev \
+ libgmock-dev \
  libgtest-dev \
  libopus-dev \
  libsodium-dev \
+ libunwind-17-dev \
  libvpx-dev \
- llvm-dev \
+ lld-17 \
+ llvm-17-dev \
  make \
  ninja-build \
  pkg-config \
- python3-pip \
- python3-pygments \
  && apt-get clean \
- && rm -rf /var/lib/apt/lists/* \
- && pip3 install --no-cache-dir gcovr
-RUN ["strip", "-g",\
- "/usr/lib/x86_64-linux-gnu/libgtest.a",\
- "/usr/lib/x86_64-linux-gnu/libgtest_main.a"]
+ && rm -rf /var/lib/apt/lists/*
 RUN ["curl", "-s", "https://codecov.io/bash", "-o", "/usr/local/bin/codecov"]
 RUN ["chmod", "+x", "/usr/local/bin/codecov"]
 
-ENV CC=clang \
-    CXX=clang++ \
+ENV CC=clang-17 \
+    CXX=clang++-17 \
     PYTHONUNBUFFERED=1 \
     PATH=$PATH:/usr/lib/go-1.18/bin
-SHELL ["/bin/bash", "-c"]
+
+COPY --from=src /src/ /work/
 
 WORKDIR /work
-COPY --from=src /src/ /work/
+RUN git clone --depth=1 https://github.com/TokTok/toktok-fuzzer /work/testing/fuzzing/toktok-fuzzer
 RUN source .github/scripts/flags-coverage.sh \
  && go version \
  && (cd other/proxy && go get github.com/things-go/go-socks5 && go build proxy_server.go) \
  && cmake -B_build -H. -GNinja \
  -DCMAKE_C_FLAGS="$C_FLAGS" \
  -DCMAKE_CXX_FLAGS="$CXX_FLAGS" \
- -DCMAKE_EXE_LINKER_FLAGS="$LD_FLAGS" \
+ -DCMAKE_EXE_LINKER_FLAGS="$LD_FLAGS -fuse-ld=lld" \
  -DCMAKE_UNITY_BUILD=ON \
  -DENABLE_SHARED=OFF \
  -DMIN_LOGGER_LEVEL=TRACE \
@@ -53,6 +60,7 @@ RUN source .github/scripts/flags-coverage.sh \
  -DSTRICT_ABI=ON \
  -DAUTOTEST=ON \
  -DPROXY_TEST=ON \
+ -DBUILD_FUZZ_TESTS=ON \
  -DUSE_IPV6=OFF \
  -DTEST_TIMEOUT_SECONDS=40 \
  && cmake --build _build --parallel 8 --target install
@@ -63,24 +71,15 @@ RUN /work/other/proxy/proxy_server \
     ctest -j50 --output-on-failure --rerun-failed --repeat until-pass:6)
 
 WORKDIR /work/mallocfail
-RUN ["git", "clone", "--depth=1", "https://github.com/ralight/mallocfail", "/work/mallocfail"]
-COPY other/docker/coverage/syscall_funcs.c src/
-RUN gcc -fPIC -shared -O2 -g3 -Wall -Ideps/uthash -Ideps/sha3 deps/*/*.c src/*.c -o mallocfail.so -ldl -lbacktrace \
+RUN ["git", "clone", "--depth=1", "https://github.com/TokTok/mallocfail", "/work/mallocfail"]
+RUN clang-17 -fuse-ld=lld -fPIC -shared -O2 -g3 -Wall -I/usr/lib/llvm-17/include -L/usr/lib/llvm-17/lib -Ideps/uthash -Ideps/sha3 deps/*/*.c src/*.c -o mallocfail.so -ldl -lunwind \
  && install mallocfail.so /usr/local/lib/mallocfail.so
 
 WORKDIR /work/_build
 COPY other/docker/coverage/run_mallocfail /usr/local/bin/
-RUN ["run_mallocfail", "--ctest=2", "--jobs=8"]
-RUN ["gcovr", \
- "--sort-percentage", \
- "--gcov-executable=llvm-cov gcov", \
- "--html-details=html/", \
- "--root=..", \
- "--exclude=CMakeFiles/", \
- "--exclude=_deps/", \
- "--exclude=(.+/)?auto_tests/", \
- "--exclude=.+_test.cc?$", \
- "--exclude=(.+/)?other/", \
- "--exclude=(.+/)?testing/"]
+RUN ["run_mallocfail", "--ctest=1", "--jobs=8"]
+RUN llvm-profdata-17 merge -sparse $(find . -name "*.profraw") -o toxcore.profdata
+RUN llvm-cov-17 show -format=text -instr-profile=toxcore.profdata -sources $(cmake --build . --target help | grep -o '[^:]*_test:' | grep -o '[^:]*' | xargs -n1 find . -type f -name | awk '{print "-object "$1}') > coverage.txt
+RUN llvm-cov-17 show -format=html -instr-profile=toxcore.profdata -sources $(cmake --build . --target help | grep -o '[^:]*_test:' | grep -o '[^:]*' | xargs -n1 find . -type f -name | awk '{print "-object "$1}') -output-dir=html
 
 WORKDIR /work

external/toxcore/c-toxcore/other/docker/coverage/Dockerfile.nginx

@@ -1,5 +1,4 @@
 # vim:ft=dockerfile
 FROM toxchat/c-toxcore:coverage AS build
 FROM nginx:alpine
-COPY --from=build /work/_build/html/coverage_details.html /usr/share/nginx/html/index.html
-COPY --from=build /work/_build/html/ /usr/share/nginx/html/
+COPY --from=build --chown=nginx:nginx /work/_build/html/ /usr/share/nginx/html/

external/toxcore/c-toxcore/other/docker/coverage/run

@@ -6,4 +6,4 @@ read -a ci_env <<<"$(bash <(curl -s https://codecov.io/env))"
 
 docker build -t toxchat/c-toxcore:sources -f other/docker/sources/Dockerfile .
 docker build -t toxchat/c-toxcore:coverage -f other/docker/coverage/Dockerfile .
-docker run "${ci_env[@]}" -e CI=true --name toxcore-coverage --rm -t toxchat/c-toxcore:coverage /usr/local/bin/codecov -x "llvm-cov gcov"
+docker run "${ci_env[@]}" -e CI=true --name toxcore-coverage --rm -t toxchat/c-toxcore:coverage /usr/local/bin/codecov

external/toxcore/c-toxcore/other/docker/coverage/run_mallocfail

@@ -27,11 +27,12 @@ from typing import NoReturn
 from typing import Optional
 from typing import Tuple
 
-_PRIMER = "./unit_util_test"
+_PRIMER = "auto_tests/auto_version_test"
 _MALLOCFAIL_SO = "/usr/local/lib/mallocfail.so"
 _HASHES = "mallocfail_hashes"
 _HASHES_PREV = "mallocfail_hashes.prev"
 _TIMEOUT = 3.0
+_BUILD_DIR = os.getcwd()
 
 _ENV = {
     "LD_PRELOAD": _MALLOCFAIL_SO,
@@ -45,10 +46,19 @@ def run_mallocfail(tmpdir: str, timeout: float, exe: str, iteration: int,
     print(f"\x1b[1;33mmallocfail '{exe}' run #{iteration}\x1b[0m")
     hashes = os.path.join(tmpdir, _HASHES)
     hashes_prev = os.path.join(tmpdir, _HASHES_PREV)
+    profraw = os.path.join(_BUILD_DIR, "mallocfail.out", exe, "%p.profraw")
     if os.path.exists(hashes):
         shutil.copy(hashes, hashes_prev)
     try:
-        proc = subprocess.run([exe], timeout=timeout, env=_ENV, cwd=tmpdir)
+        proc = subprocess.run(
+            [exe],
+            timeout=timeout,
+            env={
+                "LLVM_PROFILE_FILE": profraw,
+                **_ENV,
+            },
+            cwd=tmpdir,
+        )
     except subprocess.TimeoutExpired:
         print(f"\x1b[1;34mProgram {exe} timed out\x1b[0m")
         return True
@@ -65,13 +75,16 @@ def run_mallocfail(tmpdir: str, timeout: float, exe: str, iteration: int,
         # Process exited cleanly (success or failure).
         pass
     elif proc.returncode == -6:
-        # Assertion failed.
+        # abort(), we allow it.
+        pass
+    elif proc.returncode == 7:
+        # ck_assert failed, also fine for us.
         pass
     elif proc.returncode == -14:
         print(f"\x1b[0;34mProgram '{exe}' timed out\x1b[0m")
     else:
         print(
-            f"\x1b[1;32mProgram '{exe}' failed to handle OOM situation cleanly\x1b[0m"
+            f"\x1b[1;32mProgram '{exe}' failed to handle OOM situation cleanly (code {proc.returncode})\x1b[0m"
         )
         if not keep_going:
             raise Exception("Aborting test")
@@ -96,8 +109,8 @@ def find_prog(name: str) -> Tuple[Optional[str], ...]:
             return path
         return None
 
-    return (attempt(f"./unit_{name}_test"),
-            attempt(f"auto_tests/auto_{name}_test"))
+    return (attempt(f"auto_tests/auto_{name}_test"),
+            )  # attempt(f"./unit_{name}_test"),
 
 
 def parse_flags(args: List[str]) -> Tuple[Dict[str, str], List[str]]:
@@ -128,6 +141,9 @@ def isolated_mallocfail(timeout: int, exe: str) -> None:
         shutil.copy(exe, os.path.join(tmpdir, exe))
         shutil.copy(_HASHES, os.path.join(tmpdir, _HASHES))
         loop_mallocfail(tmpdir, timeout, exe)
+        profraw = os.path.join(tmpdir, "default.profraw")
+        if os.path.exists(profraw):
+            shutil.copy(profraw, exe + ".mallocfail.profraw")
 
 
 def main(args: List[str]) -> None:
@@ -150,12 +166,12 @@ def main(args: List[str]) -> None:
     else:
         jobs = 1
 
-    # Start by running util_test, which allocates no memory of its own, just
+    # Start by running version_test, which allocates no memory of its own, just
     # to prime the mallocfail hashes so it doesn't make global initialisers
     # such as llvm_gcov_init fail.
     if os.path.exists(_PRIMER):
-        print(f"\x1b[1;33mPriming hashes with unit_util_test\x1b[0m")
-        loop_mallocfail(".", timeout, _PRIMER, keep_going=True)
+        print(f"\x1b[1;33mPriming hashes with {_PRIMER}\x1b[0m")
+        loop_mallocfail(os.getcwd(), timeout, _PRIMER, keep_going=True)
 
     print(f"\x1b[1;33m--------------------------------\x1b[0m")
     print(f"\x1b[1;33mStarting mallocfail for {len(exes)} programs:\x1b[0m")

external/toxcore/c-toxcore/other/docker/coverage/syscall_funcs.c

@@ -1,149 +0,0 @@
-#define _GNU_SOURCE
-
-#include "mallocfail.h"
-
-#include <dlfcn.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-
-static int (*libc_ioctl)(int fd, unsigned long request, ...);
-static int (*libc_bind)(int sockfd, const struct sockaddr *addr,
-        socklen_t addrlen);
-static int (*libc_getsockopt)(int sockfd, int level, int optname,
-        void *optval, socklen_t *optlen);
-static int (*libc_setsockopt)(int sockfd, int level, int optname,
-        const void *optval, socklen_t optlen);
-static ssize_t (*libc_recv)(int sockfd, void *buf, size_t len, int flags);
-static ssize_t (*libc_recvfrom)(int sockfd, void *buf, size_t len, int flags,
-        struct sockaddr *src_addr, socklen_t *addrlen);
-static ssize_t (*libc_send)(int sockfd, const void *buf, size_t len, int flags);
-static ssize_t(*libc_sendto)(int sockfd, const void *buf, size_t len, int flags,
-        const struct sockaddr *dest_addr, socklen_t addrlen);
-static int (*libc_socket)(int domain, int type, int protocol);
-static int (*libc_listen)(int sockfd, int backlog);
-
-__attribute__((__constructor__))
-static void init(void)
-{
-    libc_ioctl = dlsym(RTLD_NEXT, "ioctl");
-    libc_bind = dlsym(RTLD_NEXT, "bind");
-    libc_getsockopt = dlsym(RTLD_NEXT, "getsockopt");
-    libc_setsockopt = dlsym(RTLD_NEXT, "setsockopt");
-    libc_recv = dlsym(RTLD_NEXT, "recv");
-    libc_recvfrom = dlsym(RTLD_NEXT, "recvfrom");
-    libc_send = dlsym(RTLD_NEXT, "send");
-    libc_sendto = dlsym(RTLD_NEXT, "sendto");
-    libc_socket = dlsym(RTLD_NEXT, "socket");
-    libc_listen = dlsym(RTLD_NEXT, "listen");
-}
-
-int ioctl(int fd, unsigned long request, ...)
-{
-    if (should_malloc_fail()) {
-        errno = ENOMEM;
-        return -1;
-    }
-
-    va_list ap;
-    va_start(ap, request);
-    const int ret = libc_ioctl(fd, SIOCGIFCONF, va_arg(ap, void *));
-    va_end(ap);
-    return ret;
-}
-
-int bind(int sockfd, const struct sockaddr *addr,
-        socklen_t addrlen)
-{
-    // Unlike all others, if bind should fail once, it should fail always, because in toxcore we try
-    // many ports before giving up. If this only fails once, we'll never reach the code path where
-    // we give up.
-    static int should_fail = -1;
-    if (should_fail == -1) {
-        should_fail = should_malloc_fail();
-    }
-    if (should_fail) {
-        errno = ENOMEM;
-        return -1;
-    }
-    return libc_bind(sockfd, addr, addrlen);
-}
-
-int getsockopt(int sockfd, int level, int optname,
-        void *optval, socklen_t *optlen)
-{
-    if (should_malloc_fail()) {
-        errno = ENOMEM;
-        return -1;
-    }
-    return libc_getsockopt(sockfd, level, optname, optval, optlen);
-}
-
-int setsockopt(int sockfd, int level, int optname,
-        const void *optval, socklen_t optlen)
-{
-    if (should_malloc_fail()) {
-        errno = ENOMEM;
-        return -1;
-    }
-    return libc_setsockopt(sockfd, level, optname, optval, optlen);
-}
-
-ssize_t recv(int sockfd, void *buf, size_t len, int flags)
-{
-    if (should_malloc_fail()) {
-        errno = ENOMEM;
-        return -1;
-    }
-    return libc_recv(sockfd, buf, len, flags);
-}
-
-ssize_t recvfrom(int sockfd, void *buf, size_t len, int flags,
-        struct sockaddr *src_addr, socklen_t *addrlen)
-{
-    if (should_malloc_fail()) {
-        errno = ENOMEM;
-        return -1;
-    }
-    return libc_recvfrom(sockfd, buf, len, flags, src_addr, addrlen);
-}
-
-ssize_t send(int sockfd, const void *buf, size_t len, int flags)
-{
-    if (should_malloc_fail()) {
-        errno = ENOMEM;
-        return -1;
-    }
-    return libc_send(sockfd, buf, len, flags);
-}
-
-ssize_t sendto(int sockfd, const void *buf, size_t len, int flags,
-        const struct sockaddr *dest_addr, socklen_t addrlen)
-{
-    if (should_malloc_fail()) {
-        errno = ENOMEM;
-        return -1;
-    }
-    return libc_sendto(sockfd, buf, len, flags, dest_addr, addrlen);
-}
-
-int socket(int domain, int type, int protocol)
-{
-    if (should_malloc_fail()) {
-        errno = ENOMEM;
-        return -1;
-    }
-    return libc_socket(domain, type, protocol);
-}
-
-int listen(int sockfd, int backlog)
-{
-    if (should_malloc_fail()) {
-        errno = ENOMEM;
-        return -1;
-    }
-    return libc_listen(sockfd, backlog);
-}

external/toxcore/c-toxcore/other/docker/cppcheck/toxcore.cfg

@@ -92,6 +92,10 @@
     <alloc init="true">new_networking_no_udp</alloc>
     <dealloc arg="1">kill_networking</dealloc>
   </resource>
+  <resource>
+    <alloc init="true">net_new_strerror</alloc>
+    <dealloc arg="1">net_kill_strerror</dealloc>
+  </resource>
   <resource>
     <alloc init="true">new_onion</alloc>
     <dealloc arg="1">kill_onion</dealloc>

external/toxcore/c-toxcore/other/docker/doxygen/Dockerfile

@@ -5,7 +5,7 @@ ENV LANG=en_US.UTF-8 \
     LC_CTYPE=en_US.UTF-8 \
     LC_ALL=en_US.UTF-8
 
-RUN apk add --no-cache doxygen git graphviz \
+RUN apk add --no-cache doxygen git graphviz texlive \
  && git clone --depth=1 https://github.com/jothepro/doxygen-awesome-css.git /work/doxygen-awesome-css
 WORKDIR /work
 COPY . /work/

external/toxcore/c-toxcore/other/docker/infer/Dockerfile

@@ -0,0 +1,41 @@
+FROM toxchat/infer:latest
+
+COPY toxav/ /work/c-toxcore/toxav/
+COPY toxcore/ /work/c-toxcore/toxcore/
+COPY toxencryptsave/ /work/c-toxcore/toxencryptsave/
+COPY third_party/ /work/c-toxcore/third_party/
+RUN infer capture -- clang++ -fsyntax-only \
+  $(pkg-config --cflags libconfig libsodium opus vpx) \
+  /work/c-toxcore/toxav/*.c \
+  /work/c-toxcore/toxcore/*.c \
+  /work/c-toxcore/toxcore/*/*.c \
+  /work/c-toxcore/toxencryptsave/*.c
+RUN ["infer", "analyze",\
+ "--report-console-limit", "100",\
+ "--jobs", "8",\
+ "--no-bufferoverrun",\
+ "--no-datalog",\
+ "--print-active-checkers",\
+ "--loop-hoisting",\
+ "--quandary",\
+ "--racerd",\
+ "--starvation",\
+ "--uninit",\
+ "--disable-issue-type", "BUFFER_OVERRUN_L2",\
+ "--disable-issue-type", "PULSE_UNNECESSARY_COPY",\
+ "--enable-issue-type", "EXPENSIVE_EXECUTION_TIME",\
+ "--enable-issue-type", "INVARIANT_CALL",\
+ "--enable-issue-type", "PULSE_UNINITIALIZED_CONST",\
+ "--enable-issue-type", "SENSITIVE_DATA_FLOW",\
+ "--enable-issue-type", "UNTRUSTED_BUFFER_ACCESS",\
+ "--enable-issue-type", "UNTRUSTED_HEAP_ALLOCATION",\
+ "--disable-issue-type", "USE_AFTER_FREE_LATENT",\
+ "--disable-issue-type", "STACK_VARIABLE_ADDRESS_ESCAPE",\
+ "--disable-issue-type", "INVARIANT_CALL",\
+ "--fail-on-issue"]
+# In the above, the first 2 are disabled for extreme sensitivity and false
+# positives, the ones at the end are probably decent, but have some false
+# positives, so we can't fail-on-issue with them on.
+# INVARIANT_CALL is pretty fun, but currently wrong, because it can't see
+# through potential mutations via callbacks. Our code is bad and we should
+# feel bad, but until that's fixed, the invariant checker doesn't work.

external/toxcore/c-toxcore/other/docker/infer/run

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+set -eux
+BUILD=infer
+docker build -t "toxchat/c-toxcore:$BUILD" -f "other/docker/$BUILD/Dockerfile" .

external/toxcore/c-toxcore/other/docker/misra/Dockerfile

@@ -1,6 +1,7 @@
 FROM ubuntu:20.04
 
-RUN apt-get update && apt-get install --no-install-recommends -y \
+RUN apt-get update && \
+ DEBIAN_FRONTEND="noninteractive" apt-get install -y --no-install-recommends \
  ca-certificates \
  cppcheck \
  libopus-dev \

external/toxcore/c-toxcore/other/docker/tokstyle/Dockerfile

@@ -1,7 +1,8 @@
 FROM toxchat/haskell:hs-tokstyle AS tokstyle
 FROM ubuntu:22.04
 
-RUN apt-get update && apt-get install --no-install-recommends -y \
+RUN apt-get update && \
+ DEBIAN_FRONTEND="noninteractive" apt-get install -y --no-install-recommends \
  ca-certificates \
  clang \
  git \

external/toxcore/c-toxcore/other/docker/windows/Dockerfile

@@ -2,7 +2,7 @@ FROM debian:bullseye-slim
 
 # Build-time environment variables
 ARG VERSION_MSGPACK=4.0.0 \
-    VERSION_SODIUM=1.0.18 \
+    VERSION_SODIUM=1.0.19 \
     VERSION_OPUS=1.3.1 \
     VERSION_VPX=1.11.0 \
  \

external/toxcore/c-toxcore/other/docker/windows/build_dependencies.sh

@@ -40,9 +40,9 @@ build() {
 
   echo
   echo "=== Building Sodium $VERSION_SODIUM $ARCH ==="
-  curl "${CURL_OPTIONS[@]}" -O "https://download.libsodium.org/libsodium/releases/libsodium-$VERSION_SODIUM.tar.gz"
+  curl "${CURL_OPTIONS[@]}" -O "https://github.com/jedisct1/libsodium/releases/download/$VERSION_SODIUM-RELEASE/libsodium-$VERSION_SODIUM.tar.gz"
   tar -xf "libsodium-$VERSION_SODIUM.tar.gz"
-  cd "libsodium-$VERSION_SODIUM"
+  cd "libsodium-stable"
   ./configure --host="$WINDOWS_TOOLCHAIN" --prefix="$PREFIX_DIR" --disable-shared --enable-static
   make
   make install

external/toxcore/c-toxcore/other/event_tooling/generate_event_c.cpp

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
-// Copyright © 2023 The TokTok team.
+// Copyright © 2023-2024 The TokTok team.
 
 // this file can be used to generate event.c files
 // requires c++17
@@ -56,15 +56,31 @@ std::string bin_pack_name_from_type(const std::string& type) {
         return "bin_pack_u8";
     } else if (type == "bool") {
         return "bin_pack_bool";
-    // only unpack is special TODO(Green-Sky): should we change that?
-    //} else if (type == "Tox_User_Status") {
-        //return "tox_pack_user_status";
-    //} else if (type == "Tox_Conference_Type") {
-        //return "tox_pack_conference_type";
+    } else if (type == "Tox_User_Status") {
+        return "tox_user_status_pack";
+    } else if (type == "Tox_Conference_Type") {
+        return "tox_conference_type_pack";
+    } else if (type == "Tox_Message_Type") {
+        return "tox_message_type_pack";
+    } else if (type == "Tox_File_Control") {
+        return "tox_file_control_pack";
+    } else if (type == "Tox_Connection") {
+        return "tox_connection_pack";
+    } else if (type == "Tox_Group_Privacy_State") {
+        return "tox_group_privacy_state_pack";
+    } else if (type == "Tox_Group_Voice_State") {
+        return "tox_group_voice_state_pack";
+    } else if (type == "Tox_Group_Topic_Lock") {
+        return "tox_group_topic_lock_pack";
+    } else if (type == "Tox_Group_Join_Fail") {
+        return "tox_group_join_fail_pack";
+    } else if (type == "Tox_Group_Mod_Event") {
+        return "tox_group_mod_event_pack";
+    } else if (type == "Tox_Group_Exit_Type") {
+        return "tox_group_exit_type_pack";
     } else {
-        //std::cerr << "unknown type " << type << "\n";
-        //exit(1);
-        // assume enum -> u32
+        std::cerr << "unknown type " << type << "\n";
+        exit(1);
         return "bin_pack_u32";
     }
 }
@@ -119,22 +135,55 @@ void generate_event_impl(const std::string& event_name, const std::vector<EventT
         exit(1);
     }
 
+    bool need_stdlib_h = false;
+    bool need_string_h = false;
+    bool need_tox_unpack_h = false;
+    for (const auto& t : event_types) {
+        std::visit(
+            overloaded{
+                [&](const EventTypeTrivial& t) {
+                    if (bin_unpack_name_from_type(t.type).rfind("tox_", 0) == 0) {
+                        need_tox_unpack_h = true;
+                    }
+                },
+                [&](const EventTypeByteRange&) {
+                    need_stdlib_h = true;
+                    need_string_h = true;
+                }
+            },
+            t
+        );
+    }
+
     f << R"(/* SPDX-License-Identifier: GPL-3.0-or-later
- * Copyright © 2023 The TokTok team.
+ * Copyright © 2023-2024 The TokTok team.
  */
 
 #include "events_alloc.h"
 
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
+#include <assert.h>)";
+    if (need_stdlib_h) {
+        f << R"(
+#include <stdlib.h>)";
+    }
+    if (need_string_h) {
+        f << R"(
+#include <string.h>)";
+    }
+    f << R"(
 
 #include "../bin_pack.h"
 #include "../bin_unpack.h"
 #include "../ccompat.h"
+#include "../mem.h"
 #include "../tox.h"
-#include "../tox_events.h"
-#include "../tox_unpack.h"
+#include "../tox_events.h")";
+    if (need_tox_unpack_h) {
+        f << R"(
+#include "../tox_pack.h"
+#include "../tox_unpack.h")";
+    }
+    f << R"(
 
 
 /*****************************************************
@@ -205,10 +254,11 @@ void generate_event_impl(const std::string& event_name, const std::vector<EventT
                     f << "        " << event_name_l << "->" << t.name_data << " = nullptr;\n";
                     f << "        " << event_name_l << "->" << t.name_length << " = 0;\n";
                     f << "    }\n\n";
-                    f << "    " << event_name_l << "->" << t.name_data << " = (uint8_t *)malloc(" << t.name_length << ");\n\n";
-                    f << "    if (" << event_name_l << "->" << t.name_data << " == nullptr) {\n";
+                    f << "    uint8_t *" << t.name_data << "_copy = (uint8_t *)malloc(" << t.name_length << ");\n\n";
+                    f << "    if (" << t.name_data << "_copy == nullptr) {\n";
                     f << "        return false;\n    }\n\n";
-                    f << "    memcpy(" << event_name_l << "->" << t.name_data << ", " << t.name_data << ", " << t.name_length << ");\n";
+                    f << "    memcpy(" << t.name_data << "_copy, " << t.name_data << ", " << t.name_length << ");\n";
+                    f << "    " << event_name_l << "->" << t.name_data << " = " << t.name_data << "_copy;\n";
                     f << "    " << event_name_l << "->" << t.name_length << " = " << t.name_length << ";\n";
                     f << "    return true;\n";
                 }
@@ -277,20 +327,30 @@ void generate_event_impl(const std::string& event_name, const std::vector<EventT
     // pack
     f << "bool tox_event_" << event_name_l << "_pack(\n";
     f << "    const Tox_Event_" << event_name << " *event, Bin_Pack *bp)\n{\n";
-    f << "    assert(event != nullptr);\n";
-    f << "    return bin_pack_array(bp, 2)\n";
-    f << "           && bin_pack_u32(bp, TOX_EVENT_" << str_toupper(event_name) << ")";
+
+    bool return_started = false;
+
     if (event_types.size() > 1) {
-        f << "\n           && bin_pack_array(bp, " << event_types.size() << ")";
+        f << "    return bin_pack_array(bp, " << event_types.size() << ")";
+        return_started = true;
     }
 
     for (const auto& t : event_types) {
-        f << "\n           && ";
+        if (return_started) {
+            f << "\n           && ";
+        } else {
+            f << "    return ";
+        }
+
         std::visit(
             overloaded{
                 [&](const EventTypeTrivial& t) {
                     f << bin_pack_name_from_type(t.type);
-                    f << "(bp, event->" << t.name << ")";
+                    if (t.type.rfind("Tox_", 0) == 0) {
+                        f << "(event->" << t.name << ", bp)";
+                    } else {
+                        f << "(bp, event->" << t.name << ")";
+                    }
                 },
                 [&](const EventTypeByteRange& t) {
                     f << "bin_pack_bin(bp, event->" << t.name_data << ", event->" << t.name_length << ")";
@@ -321,7 +381,11 @@ void generate_event_impl(const std::string& event_name, const std::vector<EventT
             overloaded{
                 [&](const EventTypeTrivial& t) {
                     f << bin_unpack_name_from_type(t.type);
-                    f << "(bu, &event->" << t.name << ")";
+                    if (t.type.rfind("Tox_", 0) == 0) {
+                        f << "(&event->" << t.name << ", bu)";
+                    } else {
+                        f << "(bu, &event->" << t.name << ")";
+                    }
                 },
                 [&](const EventTypeByteRange& t) {
                     f << "bin_unpack_bin(bu, &event->" << t.name_data << ", &event->" << t.name_length << ")";
@@ -371,28 +435,6 @@ void generate_event_impl(const std::string& event_name, const std::vector<EventT
     f << "    tox_events_add(events, &event);\n";
     f << "    return " << event_name_l << ";\n}\n\n";
 
-    // get
-    f << "const Tox_Event_" << event_name << " *tox_events_get_" << event_name_l << "(const Tox_Events *events, uint32_t index)\n{\n";
-    f << "    uint32_t " << event_name_l << "_index = 0;\n";
-    f << "    const uint32_t size = tox_events_get_size(events);\n\n";
-    f << "    for (uint32_t i = 0; i < size; ++i) {\n";
-    f << "        if (" << event_name_l << "_index > index) {\n";
-    f << "            return nullptr;\n        }\n\n";
-    f << "        if (events->events[i].type == TOX_EVENT_" << str_toupper(event_name) << ") {\n";
-    f << "            const Tox_Event_" << event_name << " *" << event_name_l << " = events->events[i].data." << event_name_l << ";\n";
-    f << "            if (" << event_name_l << "_index == index) {\n";
-    f << "                return " << event_name_l << ";\n            }\n";
-    f << "            ++" << event_name_l << "_index;\n        }\n    }\n\n    return nullptr;\n}\n\n";
-
-    // get size
-    f << "uint32_t tox_events_get_" << event_name_l << "_size(const Tox_Events *events)\n{\n";
-    f << "    uint32_t " << event_name_l << "_size = 0;\n";
-    f << "    const uint32_t size = tox_events_get_size(events);\n\n";
-    f << "    for (uint32_t i = 0; i < size; ++i) {\n";
-    f << "        if (events->events[i].type == TOX_EVENT_" << str_toupper(event_name) << ") {\n";
-    f << "            ++" << event_name_l << "_size;\n        }\n    }\n\n";
-    f << "    return " << event_name_l << "_size;\n}\n\n";
-
     // unpack
     f << "bool tox_event_" << event_name_l << "_unpack(\n";
     f << "    Tox_Event_" << event_name << " **event, Bin_Unpack *bu, const Memory *mem)\n{\n";

external/toxcore/c-toxcore/sonar-project.properties

@@ -10,3 +10,6 @@ sonar.sources=.
 
 # Encoding of the source code.
 sonar.sourceEncoding=UTF-8
+
+# More precise Python version.
+sonar.python.version=3.11

external/toxcore/c-toxcore/testing/BUILD.bazel

@@ -13,7 +13,6 @@ sh_test(
     args = ["$(locations %s)" % f for f in CIMPLE_FILES] + [
         "-Wno-boolean-return",
         "-Wno-callback-names",
-        "-Wno-enum-names",
         "+RTS",
         "-N4",
         "-RTS",

external/toxcore/c-toxcore/testing/CMakeLists.txt

@@ -8,10 +8,19 @@ if(TARGET toxcore_static)
 else()
   target_link_libraries(misc_tools PRIVATE toxcore_shared)
 endif()
-target_link_libraries(misc_tools PRIVATE ${LIBSODIUM_LIBRARIES})
-target_link_directories(misc_tools PUBLIC ${LIBSODIUM_LIBRARY_DIRS})
-target_include_directories(misc_tools SYSTEM PRIVATE ${LIBSODIUM_INCLUDE_DIRS})
-target_compile_options(misc_tools PRIVATE ${LIBSODIUM_CFLAGS_OTHER})
+if(TARGET unofficial-sodium::sodium)
+  target_link_libraries(misc_tools PRIVATE unofficial-sodium::sodium)
+else()
+  target_link_libraries(misc_tools PRIVATE ${LIBSODIUM_LIBRARIES})
+  target_link_directories(misc_tools PUBLIC ${LIBSODIUM_LIBRARY_DIRS})
+  target_include_directories(misc_tools SYSTEM PRIVATE ${LIBSODIUM_INCLUDE_DIRS})
+  target_compile_options(misc_tools PRIVATE ${LIBSODIUM_CFLAGS_OTHER})
+endif()
+if(TARGET PThreads4W::PThreads4W)
+  target_link_libraries(misc_tools PRIVATE PThreads4W::PThreads4W)
+elseif(TARGET Threads::Threads)
+  target_link_libraries(misc_tools PRIVATE Threads::Threads)
+endif()
 
 ################################################################################
 #
@@ -27,4 +36,9 @@ if(BUILD_MISC_TESTS)
   else()
     target_link_libraries(Messenger_test PRIVATE toxcore_shared)
   endif()
+  if(TARGET PThreads4W::PThreads4W)
+    target_link_libraries(Messenger_test PRIVATE PThreads4W::PThreads4W)
+  elseif(TARGET Threads::Threads)
+    target_link_libraries(Messenger_test PRIVATE Threads::Threads)
+  endif()
 endif()

external/toxcore/c-toxcore/testing/coverage_live.sh

@@ -4,4 +4,4 @@
 cd ../
 
 # Run code coverage only on minized corpus to save time
-afl-cov --cover-corpus -d ./_afl_out --overwrite --live --coverage-cmd "_cov_build/bootstrap_fuzzer @@" --code-dir ../
+afl-cov --cover-corpus -d ./_afl_out --overwrite --live --coverage-cmd "_cov_build/bootstrap_fuzz_test @@" --code-dir ../

external/toxcore/c-toxcore/testing/distill_corpus.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
-HARNESS_BIN="../_afl_build/bootstrap_fuzzer"
-COV_BIN="../_cov_build/bootstrap_fuzzer"
+HARNESS_BIN="../_afl_build/bootstrap_fuzz_test"
+COV_BIN="../_cov_build/bootstrap_fuzz_test"
 # move to repo root
 cd ../
 

external/toxcore/c-toxcore/testing/fuzzing/BUILD.bazel

@@ -1,6 +1,5 @@
-load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
+load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library", "cc_test")
 load("@rules_fuzzing//fuzzing:cc_defs.bzl", "cc_fuzz_test")
-load("@rules_fuzzing//fuzzing/private:binary.bzl", "fuzzing_binary")  # buildifier: disable=bzl-visibility
 
 cc_library(
     name = "fuzz_support",
@@ -27,9 +26,9 @@ cc_library(
 cc_fuzz_test(
     name = "bootstrap_fuzz_test",
     size = "small",
-    srcs = ["bootstrap_harness.cc"],
+    srcs = ["bootstrap_fuzz_test.cc"],
     copts = ["-UNDEBUG"],
-    corpus = ["//tools/toktok-fuzzer/corpus:bootstrap_fuzzer"],
+    corpus = ["//tools/toktok-fuzzer/corpus:bootstrap_fuzz_test"],
     deps = [
         ":fuzz_support",
         ":fuzz_tox",
@@ -58,9 +57,9 @@ cc_fuzz_test(
 cc_fuzz_test(
     name = "toxsave_fuzz_test",
     size = "small",
-    srcs = ["toxsave_harness.cc"],
+    srcs = ["toxsave_fuzz_test.cc"],
     copts = ["-UNDEBUG"],
-    corpus = ["//tools/toktok-fuzzer/corpus:toxsave_fuzzer"],
+    corpus = ["//tools/toktok-fuzzer/corpus:toxsave_fuzz_test"],
     deps = [
         ":fuzz_support",
         "//c-toxcore/toxcore:tox",
@@ -80,12 +79,34 @@ cc_binary(
     ],
 )
 
-fuzzing_binary(
-    name = "protodump_bin",
-    testonly = True,
-    binary = ":protodump",
-    engine = "@rules_fuzzing//fuzzing:cc_engine",
+genrule(
+    name = "e2e_fuzz_test_init",
+    outs = [
+        "e2e_fuzz_test_init.dat",
+        "e2e_fuzz_test_bootstrap.dat",
+    ],
+    cmd = "$(location :protodump) $(location e2e_fuzz_test_init.dat) $(location e2e_fuzz_test_bootstrap.dat)",
     tags = ["manual"],
+    tools = [":protodump"],
+)
+
+# bazel test --config=asan-libfuzzer //c-toxcore/testing/fuzzing:protodump_reduce_test
+cc_test(
+    name = "protodump_reduce_test",
+    size = "small",
+    srcs = ["protodump_reduce.cc"],
+    args = ["$(location :e2e_fuzz_test_init.dat)"],
+    copts = ["-UNDEBUG"],
+    data = [":e2e_fuzz_test_init.dat"],
+    tags = ["manual"],
+    deps = [
+        ":fuzz_support",
+        ":fuzz_tox",
+        "//c-toxcore/toxcore:tox",
+        "//c-toxcore/toxcore:tox_dispatch",
+        "//c-toxcore/toxcore:tox_events",
+        "@rules_fuzzing//fuzzing:cc_engine",
+    ],
 )
 
 cc_fuzz_test(

external/toxcore/c-toxcore/testing/fuzzing/CMakeLists.txt

@@ -1,26 +1,29 @@
-# For coverage tests
-target_compile_definitions(toxcore_static PUBLIC "FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION")
-
 # Override network and random functions
 add_library(fuzz_support func_conversion.h fuzz_support.cc fuzz_support.h)
 
 set(LIBFUZZER_LINKER_FLAGS)
-if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
   set(LIBFUZZER_LINKER_FLAGS "-fsanitize=fuzzer")
 else()
   message(SEND_ERROR "Compiler must be Clang to build fuzz targets")
 endif()
 
-# Fuzzes the toxsave API
-add_executable(toxsave_fuzzer toxsave_harness.cc)
-target_link_libraries(toxsave_fuzzer PRIVATE toxcore_static fuzz_support ${LIBFUZZER_LINKER_FLAGS})
+function(fuzz_test target source_dir)
+  set(CORPUS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/toktok-fuzzer/corpus/${target}_fuzz_test)
+  file(GLOB CORPUS "${CORPUS_DIR}/*")
+  add_executable(${target}_fuzz_test ${source_dir}/${target}_fuzz_test.cc)
+  target_link_libraries(${target}_fuzz_test PRIVATE fuzz_support test_util toxcore_fuzz ${LIBFUZZER_LINKER_FLAGS})
+  if(CORPUS)
+    add_test(NAME ${target}_fuzz COMMAND ${CROSSCOMPILING_EMULATOR} ${target}_fuzz_test -max_total_time=10 ${CORPUS})
+    set_property(TEST ${target}_fuzz PROPERTY ENVIRONMENT "LLVM_PROFILE_FILE=${target}.profraw;srcdir=${CMAKE_CURRENT_SOURCE_DIR}")
+  endif()
+endfunction()
 
-# Fuzzes the bootstrap process
-add_executable(bootstrap_fuzzer bootstrap_harness.cc)
-target_link_libraries(bootstrap_fuzzer PRIVATE toxcore_static fuzz_support ${LIBFUZZER_LINKER_FLAGS})
+fuzz_test(bootstrap        .)  # Fuzzes the bootstrap process
+fuzz_test(toxsave          .)  # Fuzzes the bootstrap process
 
-add_executable(DHT_fuzz_test ../../toxcore/DHT_fuzz_test.cc)
-target_link_libraries(DHT_fuzz_test PRIVATE toxcore_static fuzz_support ${LIBFUZZER_LINKER_FLAGS})
-
-add_executable(tox_events_fuzz_test ../../toxcore/tox_events_fuzz_test.cc)
-target_link_libraries(tox_events_fuzz_test PRIVATE toxcore_static fuzz_support ${LIBFUZZER_LINKER_FLAGS})
+fuzz_test(DHT              ../../toxcore)
+fuzz_test(forwarding       ../../toxcore)
+fuzz_test(group_announce   ../../toxcore)
+fuzz_test(group_moderation ../../toxcore)
+fuzz_test(tox_events       ../../toxcore)

external/toxcore/c-toxcore/testing/fuzzing/bootstrap_fuzz_test.cc

@@ -83,9 +83,12 @@ void setup_callbacks(Tox_Dispatch *dispatch)
         dispatch, [](Tox *tox, const Tox_Event_Friend_Request *event, void *user_data) {
             Tox_Err_Friend_Add err;
             tox_friend_add_norequest(tox, tox_event_friend_request_get_public_key(event), &err);
-            assert(err == TOX_ERR_FRIEND_ADD_OK || err == TOX_ERR_FRIEND_ADD_OWN_KEY
-                || err == TOX_ERR_FRIEND_ADD_ALREADY_SENT
-                || err == TOX_ERR_FRIEND_ADD_BAD_CHECKSUM);
+            if (!(err == TOX_ERR_FRIEND_ADD_OK || err == TOX_ERR_FRIEND_ADD_OWN_KEY
+                    || err == TOX_ERR_FRIEND_ADD_ALREADY_SENT
+                    || err == TOX_ERR_FRIEND_ADD_BAD_CHECKSUM
+                    || err == TOX_ERR_FRIEND_ADD_MALLOC)) {
+                printf("unexpected error: %s\n", tox_err_friend_add_to_string(err));
+            }
         });
     tox_events_callback_friend_status(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Status *event, void *user_data) {
@@ -120,13 +123,13 @@ void TestBootstrap(Fuzz_Data &input)
         [](Tox *tox, Tox_Log_Level level, const char *file, uint32_t line, const char *func,
             const char *message, void *user_data) {
             // Log to stdout.
-            if (DEBUG) {
+            if (Fuzz_Data::DEBUG) {
                 std::printf("[tox1] %c %s:%d(%s): %s\n", tox_log_level_name(level), file, line,
                     func, message);
             }
         });
 
-    CONSUME1_OR_RETURN(const uint8_t proxy_type, input);
+    CONSUME1_OR_RETURN(const uint8_t, proxy_type, input);
     if (proxy_type == 0) {
         tox_options_set_proxy_type(opts.get(), TOX_PROXY_TYPE_NONE);
     } else if (proxy_type == 1) {
@@ -139,7 +142,7 @@ void TestBootstrap(Fuzz_Data &input)
         tox_options_set_proxy_port(opts.get(), 8080);
     }
 
-    CONSUME1_OR_RETURN(const uint8_t tcp_relay_enabled, input);
+    CONSUME1_OR_RETURN(const uint8_t, tcp_relay_enabled, input);
     if (tcp_relay_enabled >= (UINT8_MAX / 2)) {
         tox_options_set_tcp_port(opts.get(), 33445);
     }
@@ -167,7 +170,7 @@ void TestBootstrap(Fuzz_Data &input)
     assert(dispatch != nullptr);
     setup_callbacks(dispatch);
 
-    while (input.size > 0) {
+    while (!input.empty()) {
         Tox_Err_Events_Iterate error_iterate;
         Tox_Events *events = tox_events_iterate(tox, true, &error_iterate);
         assert(tox_events_equal(null_sys.sys.get(), events, events));

external/toxcore/c-toxcore/testing/fuzzing/e2e_fuzz_test.cc

@@ -8,6 +8,7 @@
 #include <fstream>
 #include <vector>
 
+#include "../../toxcore/crypto_core.h"
 #include "../../toxcore/tox.h"
 #include "../../toxcore/tox_dispatch.h"
 #include "../../toxcore/tox_events.h"
@@ -109,9 +110,6 @@ void setup_callbacks(Tox_Dispatch *dispatch)
         dispatch, [](Tox *tox, const Tox_Event_Friend_Request *event, void *user_data) {
             Tox_Err_Friend_Add err;
             tox_friend_add_norequest(tox, tox_event_friend_request_get_public_key(event), &err);
-            assert(err == TOX_ERR_FRIEND_ADD_OK || err == TOX_ERR_FRIEND_ADD_OWN_KEY
-                || err == TOX_ERR_FRIEND_ADD_ALREADY_SENT
-                || err == TOX_ERR_FRIEND_ADD_BAD_CHECKSUM);
         });
     tox_events_callback_friend_status(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Status *event, void *user_data) {
@@ -146,7 +144,7 @@ void TestEndToEnd(Fuzz_Data &input)
         [](Tox *tox, Tox_Log_Level level, const char *file, uint32_t line, const char *func,
             const char *message, void *user_data) {
             // Log to stdout.
-            if (DEBUG) {
+            if (Fuzz_Data::DEBUG) {
                 std::printf("[tox1] %c %s:%d(%s): %s\n", tox_log_level_name(level), file, line,
                     func, message);
             }
@@ -169,7 +167,7 @@ void TestEndToEnd(Fuzz_Data &input)
     assert(dispatch != nullptr);
     setup_callbacks(dispatch);
 
-    while (input.size > 0) {
+    while (!input.empty()) {
         Tox_Err_Events_Iterate error_iterate;
         Tox_Events *events = tox_events_iterate(tox, true, &error_iterate);
         assert(tox_events_equal(null_sys.sys.get(), events, events));

external/toxcore/c-toxcore/testing/fuzzing/fuzz_support.cc

@@ -20,72 +20,87 @@
 #include "../../toxcore/tox_private.h"
 #include "func_conversion.h"
 
-const bool DEBUG = false;
-
-static constexpr tox_mono_time_cb *get_self_clock = ![](Fuzz_System *self) { return self->clock; };
-
 // TODO(iphydf): Put this somewhere shared.
 struct Network_Addr {
     struct sockaddr_storage addr;
     size_t size;
 };
 
+System::System(std::unique_ptr<Tox_System> in_sys, std::unique_ptr<Memory> in_mem,
+    std::unique_ptr<Network> in_ns, std::unique_ptr<Random> in_rng)
+    : sys(std::move(in_sys))
+    , mem(std::move(in_mem))
+    , ns(std::move(in_ns))
+    , rng(std::move(in_rng))
+{
+}
+System::System(System &&) = default;
+
 System::~System() { }
 
 static int recv_common(Fuzz_Data &input, uint8_t *buf, size_t buf_len)
 {
-    if (input.size < 2) {
+    if (input.size() < 2) {
         errno = ENOMEM;
         return -1;
     }
 
-    const size_t fuzz_len = (input.data[0] << 8) | input.data[1];
-    input.data += 2;
-    input.size -= 2;
+    CONSUME_OR_ABORT(const uint8_t *fuzz_len_bytes, input, 2);
+    const std::size_t fuzz_len = (fuzz_len_bytes[0] << 8) | fuzz_len_bytes[1];
 
     if (fuzz_len == 0xffff) {
         errno = EWOULDBLOCK;
-        if (DEBUG) {
+        if (Fuzz_Data::DEBUG) {
             std::printf("recvfrom: no data for tox1\n");
         }
         return -1;
     }
 
-    if (DEBUG) {
+    if (Fuzz_Data::DEBUG) {
         std::printf(
-            "recvfrom: %zu (%02x, %02x) for tox1\n", fuzz_len, input.data[-2], input.data[-1]);
+            "recvfrom: %zu (%02x, %02x) for tox1\n", fuzz_len, input.data()[-2], input.data()[-1]);
     }
-    const size_t res = std::min(buf_len, std::min(fuzz_len, input.size));
+    const size_t res = std::min(buf_len, std::min(fuzz_len, input.size()));
 
-    std::copy(input.data, input.data + res, buf);
-    input.data += res;
-    input.size -= res;
+    CONSUME_OR_ABORT(const uint8_t *data, input, res);
+    std::copy(data, data + res, buf);
 
     return res;
 }
 
-template <typename F>
-static void *alloc_common(Fuzz_Data &data, F func)
+static void *report_alloc(const char *name, const char *func, std::size_t size, void *ptr)
 {
-    CONSUME1_OR_RETURN_VAL(const uint8_t want_alloc, data, func());
+    if (Fuzz_Data::DEBUG) {
+        printf("%s: %s(%zu): %s\n", name, func, size, ptr == nullptr ? "false" : "true");
+    }
+    return ptr;
+}
+
+template <typename F, F Func, typename... Args>
+static void *alloc_common(const char *func, std::size_t size, Fuzz_Data &data, Args... args)
+{
+    CONSUME1_OR_RETURN_VAL(
+        const bool, want_alloc, data, report_alloc("tox1", func, size, Func(args...)));
     if (!want_alloc) {
         return nullptr;
     }
-    return func();
+    return report_alloc("tox1", func, size, Func(args...));
 }
 
 static constexpr Memory_Funcs fuzz_memory_funcs = {
     /* .malloc = */
     ![](Fuzz_System *self, uint32_t size) {
-        return alloc_common(self->data, [=]() { return std::malloc(size); });
+        return alloc_common<decltype(std::malloc), std::malloc>("malloc", size, self->data, size);
     },
     /* .calloc = */
     ![](Fuzz_System *self, uint32_t nmemb, uint32_t size) {
-        return alloc_common(self->data, [=]() { return std::calloc(nmemb, size); });
+        return alloc_common<decltype(std::calloc), std::calloc>(
+            "calloc", nmemb * size, self->data, nmemb, size);
     },
     /* .realloc = */
     ![](Fuzz_System *self, void *ptr, uint32_t size) {
-        return alloc_common(self->data, [=]() { return std::realloc(ptr, size); });
+        return alloc_common<decltype(std::realloc), std::realloc>(
+            "realloc", size, self->data, ptr, size);
     },
     /* .free = */
     ![](Fuzz_System *self, void *ptr) { std::free(ptr); },
@@ -100,7 +115,7 @@ static constexpr Network_Funcs fuzz_network_funcs = {
     ![](Fuzz_System *self, int sock) {
         assert(sock == 42 || sock == 1337);
         const size_t count = random_u16(self->rng.get());
-        return static_cast<int>(std::min(count, self->data.size));
+        return static_cast<int>(std::min(count, self->data.size()));
     },
     /* .recv = */
     ![](Fuzz_System *self, int sock, uint8_t *buf, size_t len) {
@@ -153,14 +168,17 @@ static constexpr Random_Funcs fuzz_random_funcs = {
     /* .random_bytes = */
     ![](Fuzz_System *self, uint8_t *bytes, size_t length) {
         // Amount of data is limited
-        const size_t bytes_read = std::min(length, self->data.size);
+        const size_t bytes_read = std::min(length, self->data.size());
         // Initialize everything to make MSAN and others happy
         std::memset(bytes, 0, length);
-        std::copy(self->data.data, self->data.data + bytes_read, bytes);
-        self->data.data += bytes_read;
-        self->data.size -= bytes_read;
-        if (DEBUG) {
-            std::printf("rng: %02x..%02x[%zu] -> tox1\n", bytes[0], bytes[length - 1], length);
+        CONSUME_OR_ABORT(const uint8_t *data, self->data, bytes_read);
+        std::copy(data, data + bytes_read, bytes);
+        if (Fuzz_Data::DEBUG) {
+            if (length == 1) {
+                std::printf("rng: %d (0x%02x)\n", bytes[0], bytes[0]);
+            } else {
+                std::printf("rng: %02x..%02x[%zu]\n", bytes[0], bytes[length - 1], length);
+            }
         }
     },
     /* .random_uniform = */
@@ -184,7 +202,7 @@ Fuzz_System::Fuzz_System(Fuzz_Data &input)
     }
     , data(input)
 {
-    sys->mono_time_callback = get_self_clock;
+    sys->mono_time_callback = [](void *self) { return static_cast<Fuzz_System *>(self)->clock; };
     sys->mono_time_user_data = this;
     sys->mem = mem.get();
     sys->ns = ns.get();
@@ -271,7 +289,7 @@ Null_System::Null_System()
         std::make_unique<Random>(Random{&null_random_funcs, this}),
     }
 {
-    sys->mono_time_callback = get_self_clock;
+    sys->mono_time_callback = [](void *self) { return static_cast<Null_System *>(self)->clock; };
     sys->mono_time_user_data = this;
     sys->mem = mem.get();
     sys->ns = ns.get();
@@ -288,7 +306,25 @@ static uint16_t get_port(const Network_Addr *addr)
     }
 }
 
-static constexpr Memory_Funcs record_memory_funcs = null_memory_funcs;
+static constexpr Memory_Funcs record_memory_funcs = {
+    /* .malloc = */
+    ![](Record_System *self, uint32_t size) {
+        self->push(true);
+        return report_alloc(self->name_, "malloc", size, std::malloc(size));
+    },
+    /* .calloc = */
+    ![](Record_System *self, uint32_t nmemb, uint32_t size) {
+        self->push(true);
+        return report_alloc(self->name_, "calloc", nmemb * size, std::calloc(nmemb, size));
+    },
+    /* .realloc = */
+    ![](Record_System *self, void *ptr, uint32_t size) {
+        self->push(true);
+        return report_alloc(self->name_, "realloc", size, std::realloc(ptr, size));
+    },
+    /* .free = */
+    ![](Record_System *self, void *ptr) { std::free(ptr); },
+};
 
 static constexpr Network_Funcs record_network_funcs = {
     /* .close = */ ![](Record_System *self, int sock) { return 0; },
@@ -316,11 +352,10 @@ static constexpr Network_Funcs record_network_funcs = {
     ![](Record_System *self, int sock, uint8_t *buf, size_t len, Network_Addr *addr) {
         assert(sock == 42);
         if (self->recvq.empty()) {
-            self->recording.push_back(0xff);
-            self->recording.push_back(0xff);
+            self->push("\xff\xff");
             errno = EWOULDBLOCK;
-            if (DEBUG) {
-                std::printf("recvfrom: no data for %s\n", self->name_);
+            if (Fuzz_Data::DEBUG) {
+                std::printf("%s: recvfrom: no data\n", self->name_);
             }
             return -1;
         }
@@ -340,13 +375,13 @@ static constexpr Network_Funcs record_network_funcs = {
         addr->size = sizeof(struct sockaddr);
 
         assert(recvlen > 0 && recvlen <= INT_MAX);
-        self->recording.push_back(recvlen >> 8);
-        self->recording.push_back(recvlen & 0xff);
-        if (DEBUG) {
-            std::printf("recvfrom: %zu (%02x, %02x) for %s\n", recvlen, self->recording.end()[-2],
-                self->recording.end()[-1], self->name_);
+        self->push(uint8_t(recvlen >> 8));
+        self->push(uint8_t(recvlen & 0xff));
+        if (Fuzz_Data::DEBUG) {
+            std::printf("%s: recvfrom: %zu (%02x, %02x)\n", self->name_, recvlen,
+                self->recording().end()[-2], self->recording().end()[-1]);
         }
-        self->recording.insert(self->recording.end(), buf, buf + recvlen);
+        self->push(buf, recvlen);
         return static_cast<int>(recvlen);
     },
     /* .send = */
@@ -380,11 +415,11 @@ static constexpr Random_Funcs record_random_funcs = {
     ![](Record_System *self, uint8_t *bytes, size_t length) {
         for (size_t i = 0; i < length; ++i) {
             bytes[i] = simple_rng(self->seed_) & 0xff;
-            self->recording.push_back(bytes[i]);
+            self->push(bytes[i]);
         }
-        if (DEBUG) {
+        if (Fuzz_Data::DEBUG) {
             std::printf(
-                "rng: %02x..%02x[%zu] -> %s\n", bytes[0], bytes[length - 1], length, self->name_);
+                "%s: rng: %02x..%02x[%zu]\n", self->name_, bytes[0], bytes[length - 1], length);
         }
     },
     /* .random_uniform = */
@@ -402,7 +437,7 @@ Record_System::Record_System(Global &global, uint64_t seed, const char *name)
     , seed_(seed)
     , name_(name)
 {
-    sys->mono_time_callback = get_self_clock;
+    sys->mono_time_callback = [](void *self) { return static_cast<Record_System *>(self)->clock; };
     sys->mono_time_user_data = this;
     sys->mem = mem.get();
     sys->ns = ns.get();

external/toxcore/c-toxcore/testing/fuzzing/fuzz_support.h

@@ -6,39 +6,86 @@
 #define C_TOXCORE_TESTING_FUZZING_FUZZ_SUPPORT_H
 
 #include <cstdint>
+#include <cstdio>
 #include <cstdlib>
+#include <cstring>
 #include <deque>
 #include <memory>
-#include <vector>
 #include <unordered_map>
 #include <utility>
+#include <vector>
 
 #include "../../toxcore/tox.h"
 
 struct Fuzz_Data {
-    const uint8_t *data;
-    std::size_t size;
+    static constexpr bool DEBUG = false;
+    static constexpr std::size_t TRACE_TRAP = -1; // 579;
 
+private:
+    const uint8_t *data_;
+    const uint8_t *base_;
+    std::size_t size_;
+
+public:
     Fuzz_Data(const uint8_t *input_data, std::size_t input_size)
-        : data(input_data), size(input_size)
-    {}
+        : data_(input_data)
+        , base_(input_data)
+        , size_(input_size)
+    {
+    }
 
     Fuzz_Data &operator=(const Fuzz_Data &rhs) = delete;
     Fuzz_Data(const Fuzz_Data &rhs) = delete;
 
-    uint8_t consume1()
-    {
-        const uint8_t val = data[0];
-        ++data;
-        --size;
-        return val;
-    }
+    struct Consumer {
+        const char *func;
+        Fuzz_Data &fd;
 
-    const uint8_t *consume(std::size_t count)
+        operator bool()
+        {
+            // Special case because memcpy causes UB for bool (which can't be
+            // anything other than 0 or 1).
+            const bool val = fd.data_[0];
+            if (DEBUG) {
+                std::printf("consume@%zu(%s): bool %s\n", fd.pos(), func, val ? "true" : "false");
+            }
+            ++fd.data_;
+            --fd.size_;
+            return val;
+        }
+
+        template <typename T>
+        operator T()
+        {
+            const uint8_t *bytes = fd.consume(func, sizeof(T));
+            T val;
+            std::memcpy(&val, bytes, sizeof(T));
+            return val;
+        }
+    };
+
+    Consumer consume1(const char *func) { return Consumer{func, *this}; }
+    std::size_t size() const { return size_; }
+    std::size_t pos() const { return data_ - base_; }
+    const uint8_t *data() const { return data_; }
+    bool empty() const { return size_ == 0; }
+
+    const uint8_t *consume(const char *func, std::size_t count)
     {
-        const uint8_t *val = data;
-        data += count;
-        size -= count;
+        const uint8_t *val = data_;
+        if (DEBUG) {
+            if (pos() == TRACE_TRAP) {
+                __asm__("int $3");
+            }
+            if (count == 1) {
+                std::printf("consume@%zu(%s): %d (0x%02x)\n", pos(), func, val[0], val[0]);
+            } else if (count != 0) {
+                std::printf("consume@%zu(%s): %02x..%02x[%zu]\n", pos(), func, val[0],
+                    val[count - 1], count);
+            }
+        }
+        data_ += count;
+        size_ -= count;
         return val;
     }
 };
@@ -50,14 +97,14 @@ struct Fuzz_Data {
  *
  * @example
  * @code
- * CONSUME1_OR_RETURN(const uint8_t one_byte, input);
+ * CONSUME1_OR_RETURN(const uint8_t, one_byte, input);
  * @endcode
  */
-#define CONSUME1_OR_RETURN(DECL, INPUT) \
-    if (INPUT.size < 1) {               \
-        return;                         \
-    }                                   \
-    DECL = INPUT.consume1()
+#define CONSUME1_OR_RETURN(TYPE, NAME, INPUT) \
+    if (INPUT.size() < sizeof(TYPE)) {        \
+        return;                               \
+    }                                         \
+    TYPE NAME = INPUT.consume1(__func__)
 
 /** @brief Consumes 1 byte of the fuzzer input or returns a value if no data
  * available.
@@ -70,11 +117,11 @@ struct Fuzz_Data {
  * CONSUME1_OR_RETURN_VAL(const uint8_t one_byte, input, nullptr);
  * @endcode
  */
-#define CONSUME1_OR_RETURN_VAL(DECL, INPUT, VAL) \
-    if (INPUT.size < 1) {                        \
-        return VAL;                              \
-    }                                            \
-    DECL = INPUT.consume1()
+#define CONSUME1_OR_RETURN_VAL(TYPE, NAME, INPUT, VAL) \
+    if (INPUT.size() < sizeof(TYPE)) {                 \
+        return VAL;                                    \
+    }                                                  \
+    TYPE NAME = INPUT.consume1(__func__)
 
 /** @brief Consumes SIZE bytes of the fuzzer input or returns if not enough data available.
  *
@@ -88,33 +135,55 @@ struct Fuzz_Data {
  * @endcode
  */
 #define CONSUME_OR_RETURN(DECL, INPUT, SIZE) \
-    if (INPUT.size < SIZE) {                 \
+    if (INPUT.size() < SIZE) {               \
         return;                              \
     }                                        \
-    DECL = INPUT.consume(SIZE)
+    DECL = INPUT.consume(__func__, SIZE)
 
-inline void fuzz_select_target(uint8_t selector, Fuzz_Data &input)
-{
-    // The selector selected no function, so we do nothing and rely on the
-    // fuzzer to come up with a better selector.
-}
+#define CONSUME_OR_RETURN_VAL(DECL, INPUT, SIZE, VAL) \
+    if (INPUT.size() < SIZE) {                        \
+        return VAL;                                   \
+    }                                                 \
+    DECL = INPUT.consume(__func__, SIZE)
 
-template <typename Arg, typename... Args>
-void fuzz_select_target(uint8_t selector, Fuzz_Data &input, Arg &&fn, Args &&... args)
-{
-    if (selector == sizeof...(Args)) {
-        return fn(input);
+#define CONSUME_OR_ABORT(DECL, INPUT, SIZE) \
+    if (INPUT.size() < SIZE) {              \
+        abort();                            \
+    }                                       \
+    DECL = INPUT.consume(__func__, SIZE)
+
+using Fuzz_Target = void (*)(Fuzz_Data &input);
+
+template <Fuzz_Target... Args>
+struct Fuzz_Target_Selector;
+
+template <Fuzz_Target Arg, Fuzz_Target... Args>
+struct Fuzz_Target_Selector<Arg, Args...> {
+    static void select(uint8_t selector, Fuzz_Data &input)
+    {
+        if (selector == sizeof...(Args)) {
+            return Arg(input);
+        }
+        return Fuzz_Target_Selector<Args...>::select(selector, input);
     }
-    return fuzz_select_target(selector - 1, input, std::forward<Args>(args)...);
-}
+};
 
-template <typename... Args>
-void fuzz_select_target(const uint8_t *data, std::size_t size, Args &&... args)
+template <>
+struct Fuzz_Target_Selector<> {
+    static void select(uint8_t selector, Fuzz_Data &input)
+    {
+        // The selector selected no function, so we do nothing and rely on the
+        // fuzzer to come up with a better selector.
+    }
+};
+
+template <Fuzz_Target... Args>
+void fuzz_select_target(const uint8_t *data, std::size_t size)
 {
     Fuzz_Data input{data, size};
 
-    CONSUME1_OR_RETURN(uint8_t selector, input);
-    return fuzz_select_target(selector, input, std::forward<Args>(args)...);
+    CONSUME1_OR_RETURN(const uint8_t, selector, input);
+    return Fuzz_Target_Selector<Args...>::select(selector, input);
 }
 
 struct Memory;
@@ -122,14 +191,6 @@ struct Network;
 struct Random;
 
 struct System {
-    std::unique_ptr<Tox_System> sys;
-    std::unique_ptr<Memory> mem;
-    std::unique_ptr<Network> ns;
-    std::unique_ptr<Random> rng;
-
-    // Not inline because sizeof of the above 2 structs is not known everywhere.
-    ~System();
-
     /** @brief Deterministic system clock for this instance.
      *
      * Different instances can evolve independently. The time is initialised
@@ -137,8 +198,22 @@ struct System {
      * friends inside toxcore will be "not timed out" for a long time, messing
      * up some logic. Tox moderately depends on the clock being fairly high up
      * (not close to 0).
+     *
+     * We make it a nice large round number so we can recognise it when debugging.
      */
-    uint64_t clock = UINT32_MAX;
+    uint64_t clock = 1000000000;
+
+    std::unique_ptr<Tox_System> sys;
+    std::unique_ptr<Memory> mem;
+    std::unique_ptr<Network> ns;
+    std::unique_ptr<Random> rng;
+
+    System(std::unique_ptr<Tox_System> sys, std::unique_ptr<Memory> mem,
+        std::unique_ptr<Network> ns, std::unique_ptr<Random> rng);
+    System(System &&);
+
+    // Not inline because sizeof of the above 2 structs is not known everywhere.
+    ~System();
 
     /**
      * During bootstrap, move the time forward a decent amount, because friend
@@ -190,6 +265,8 @@ struct Null_System : System {
  * initialised with the same seed will be identical (same keys, etc.).
  */
 struct Record_System : System {
+    static constexpr bool DEBUG = Fuzz_Data::DEBUG;
+
     /** @brief State shared between all tox instances. */
     struct Global {
         /** @brief Bound UDP ports and their system instance.
@@ -211,13 +288,60 @@ struct Record_System : System {
 
     std::deque<std::pair<uint16_t, std::vector<uint8_t>>> recvq;
     uint16_t port = 0;  //!< Sending port for this system instance.
-    std::vector<uint8_t> recording;
 
-    explicit Record_System(Global &global, uint64_t seed, const char *name);
+    Record_System(Global &global, uint64_t seed, const char *name);
+    Record_System(const Record_System &) = delete;
+    Record_System operator=(const Record_System &) = delete;
 
     /** @brief Deposit a network packet in this instance's recvq.
      */
     void receive(uint16_t send_port, const uint8_t *buf, size_t len);
+
+    void push(bool byte)
+    {
+        if (DEBUG) {
+            if (recording_.size() == Fuzz_Data::TRACE_TRAP) {
+                __asm__("int $3");
+            }
+            std::printf("%s: produce@%zu(bool %s)\n", name_, recording_.size(), byte ? "true" : "false");
+        }
+        recording_.push_back(byte);
+    }
+
+    void push(uint8_t byte)
+    {
+        if (DEBUG) {
+            if (recording_.size() == Fuzz_Data::TRACE_TRAP) {
+                __asm__("int $3");
+            }
+            std::printf("%s: produce@%zu(%u (0x%02x))\n", name_, recording_.size(), byte, byte);
+        }
+        recording_.push_back(byte);
+    }
+
+    void push(const uint8_t *bytes, std::size_t size)
+    {
+        if (DEBUG) {
+            if (recording_.size() == Fuzz_Data::TRACE_TRAP) {
+                __asm__("int $3");
+            }
+            std::printf("%s: produce@%zu(%02x..%02x[%zu])\n", name_, recording_.size(), bytes[0],
+                bytes[size - 1], size);
+        }
+        recording_.insert(recording_.end(), bytes, bytes + size);
+    }
+
+    template <std::size_t N>
+    void push(const char (&bytes)[N])
+    {
+        push(reinterpret_cast<const uint8_t *>(bytes), N - 1);
+    }
+
+    const std::vector<uint8_t> &recording() const { return recording_; }
+    std::vector<uint8_t> take_recording() const { return std::move(recording_); }
+
+private:
+    std::vector<uint8_t> recording_;
 };
 
 /** @brief Enable debug logging.

external/toxcore/c-toxcore/testing/fuzzing/fuzz_tox.h

@@ -1,96 +1,17 @@
 /* SPDX-License-Identifier: GPL-3.0-or-later
- * Copyright © 2022 The TokTok team.
+ * Copyright © 2022-2024 The TokTok team.
  */
 
 #ifndef C_TOXCORE_TESTING_FUZZING_FUZZ_TOX_H
 #define C_TOXCORE_TESTING_FUZZING_FUZZ_TOX_H
 
-#include <cassert>
 #include <memory>
 
-#include "../../toxcore/DHT.h"
-#include "../../toxcore/logger.h"
 #include "../../toxcore/network.h"
-#include "fuzz_support.h"
 
 constexpr uint16_t SIZE_IP_PORT = SIZE_IP6 + sizeof(uint16_t);
 
 template <typename T>
 using Ptr = std::unique_ptr<T, void (*)(T *)>;
 
-/** @brief Construct any Tox resource using fuzzer input data.
- *
- * Constructs (or fails by returning) a valid object of type T and passes it to
- * a function specified on the rhs of `>>`. Takes care of cleaning up the
- * resource after the specified function returns.
- *
- * Some `with` instances require additional inputs such as the `Fuzz_Data`
- * reference or a logger.
- */
-template <typename T>
-struct with;
-
-/** @brief Construct a Logger without logging callback.
- */
-template <>
-struct with<Logger> {
-    template <typename F>
-    void operator>>(F &&f)
-    {
-        Ptr<Logger> logger(logger_new(), logger_kill);
-        assert(logger != nullptr);
-        f(std::move(logger));
-    }
-};
-
-/** @brief Construct an IP_Port by unpacking fuzzer input with `unpack_ip_port`.
- */
-template <>
-struct with<IP_Port> {
-    Fuzz_Data &input_;
-
-    template <typename F>
-    void operator>>(F &&f)
-    {
-        CONSUME_OR_RETURN(const uint8_t *ipp_packed, input_, SIZE_IP_PORT);
-        IP_Port ipp;
-        unpack_ip_port(&ipp, ipp_packed, SIZE_IP6, true);
-
-        f(ipp);
-    }
-};
-
-/** @brief Construct a Networking_Core object using the Network vtable passed.
- *
- * Use `with<Logger>{} >> with<Networking_Core>{input, ns, mem} >> ...` to construct
- * a logger and pass it to the Networking_Core constructor function.
- */
-template <>
-struct with<Networking_Core> {
-    Fuzz_Data &input_;
-    const Network *ns_;
-    const Memory *mem_;
-    Ptr<Logger> logger_{nullptr, logger_kill};
-
-    friend with operator>>(with<Logger> f, with self)
-    {
-        f >> [&self](Ptr<Logger> logger) { self.logger_ = std::move(logger); };
-        return self;
-    }
-
-    template <typename F>
-    void operator>>(F &&f)
-    {
-        with<IP_Port>{input_} >> [&f, this](const IP_Port &ipp) {
-            Ptr<Networking_Core> net(
-                new_networking_ex(logger_.get(), mem_, ns_, &ipp.ip, ipp.port, ipp.port + 100, nullptr),
-                kill_networking);
-            if (net == nullptr) {
-                return;
-            }
-            f(std::move(net));
-        };
-    }
-};
-
 #endif  // C_TOXCORE_TESTING_FUZZING_FUZZ_TOX_H

external/toxcore/c-toxcore/testing/fuzzing/protodump.cc

@@ -17,8 +17,8 @@
  *
  * Usage:
  *
- *   bazel build //c-toxcore/testing/fuzzing:protodump_bin && \
- *     bazel-bin/c-toxcore/testing/fuzzing/protodump_bin
+ *   bazel build //c-toxcore/testing/fuzzing:protodump && \
+ *     bazel-bin/c-toxcore/testing/fuzzing/protodump
  */
 #include <array>
 #include <cassert>
@@ -165,15 +165,14 @@ void setup_callbacks(Tox_Dispatch *dispatch)
         });
 }
 
-void dump(std::vector<uint8_t> &recording, const char *filename)
+void dump(std::vector<uint8_t> recording, const char *filename)
 {
     std::printf("%zu bytes: %s\n", recording.size(), filename);
     std::ofstream(filename, std::ios::binary)
         .write(reinterpret_cast<const char *>(recording.data()), recording.size());
-    recording.clear();
 }
 
-void RecordBootstrap()
+void RecordBootstrap(const char *init, const char *bootstrap)
 {
     Record_System::Global global;
 
@@ -258,13 +257,17 @@ void RecordBootstrap()
         sys1.clock += clock_increment;
         sys2.clock += clock_increment;
 
-        sys1.recording.push_back(clock_increment);
-        sys2.recording.push_back(clock_increment);
+        if (Fuzz_Data::DEBUG) {
+            printf("tox1: rng: %d (for clock)\n", clock_increment);
+            printf("tox2: rng: %d (for clock)\n", clock_increment);
+        }
+        sys1.push(clock_increment);
+        sys2.push(clock_increment);
     };
 
     while (tox_self_get_connection_status(tox1) == TOX_CONNECTION_NONE
         || tox_self_get_connection_status(tox2) == TOX_CONNECTION_NONE) {
-        if (DEBUG) {
+        if (Fuzz_Data::DEBUG) {
             std::printf("tox1: %d, tox2: %d\n", tox_self_get_connection_status(tox1),
                 tox_self_get_connection_status(tox2));
         }
@@ -279,7 +282,7 @@ void RecordBootstrap()
 
     while (tox_friend_get_connection_status(tox2, friend_number, nullptr) == TOX_CONNECTION_NONE
         || tox_friend_get_connection_status(tox1, 0, nullptr) == TOX_CONNECTION_NONE) {
-        if (DEBUG) {
+        if (Fuzz_Data::DEBUG) {
             std::printf("tox1: %d, tox2: %d, tox1 -> tox2: %d, tox2 -> tox1: %d\n",
                 tox_self_get_connection_status(tox1), tox_self_get_connection_status(tox2),
                 tox_friend_get_connection_status(tox1, 0, nullptr),
@@ -290,10 +293,10 @@ void RecordBootstrap()
 
     std::printf("tox clients connected\n");
 
-    dump(sys1.recording, "tools/toktok-fuzzer/init/e2e_fuzz_test.dat");
+    dump(sys1.take_recording(), init);
 
     while (done1 < MESSAGE_COUNT && done2 < MESSAGE_COUNT) {
-        if (DEBUG) {
+        if (Fuzz_Data::DEBUG) {
             std::printf("tox1: %d, tox2: %d, tox1 -> tox2: %d, tox2 -> tox1: %d\n",
                 tox_self_get_connection_status(tox1), tox_self_get_connection_status(tox2),
                 tox_friend_get_connection_status(tox1, 0, nullptr),
@@ -308,9 +311,18 @@ void RecordBootstrap()
     tox_kill(tox2);
     tox_kill(tox1);
 
-    dump(sys1.recording, "tools/toktok-fuzzer/corpus/e2e_fuzz_test/bootstrap.dat");
+    dump(sys1.recording(), bootstrap);
 }
 
 }
 
-int main(void) { RecordBootstrap(); }
+int main(int argc, char *argv[])
+{
+    const char *init = "tools/toktok-fuzzer/init/e2e_fuzz_test.dat";
+    const char *bootstrap = "tools/toktok-fuzzer/corpus/e2e_fuzz_test/bootstrap.dat";
+    if (argc == 3) {
+        init = argv[1];
+        bootstrap = argv[2];
+    }
+    RecordBootstrap(init, bootstrap);
+}

external/toxcore/c-toxcore/testing/fuzzing/protodump_reduce.cc

@@ -1,22 +1,17 @@
 #include <cassert>
 #include <cstdio>
 
+#include "../../toxcore/crypto_core.h"
 #include "../../toxcore/tox.h"
 #include "../../toxcore/tox_dispatch.h"
 #include "../../toxcore/tox_events.h"
+#include "../../toxcore/tox_private.h"
 #include "fuzz_support.h"
 #include "fuzz_tox.h"
 
 namespace {
 
-/**
- * Whether to abort the program if a friend connection can be established.
- *
- * This is useful to make the fuzzer produce minimal startup data so the
- * interesting part of the fuzzer (the part that comes after the friend
- * connection is established) can run sooner and thus more frequently.
- */
-constexpr bool REDUCE_PROTODUMP = false;
+constexpr bool PROTODUMP_DEBUG = Fuzz_Data::DEBUG;
 
 void setup_callbacks(Tox_Dispatch *dispatch)
 {
@@ -30,10 +25,7 @@ void setup_callbacks(Tox_Dispatch *dispatch)
         });
     tox_events_callback_conference_invite(
         dispatch, [](Tox *tox, const Tox_Event_Conference_Invite *event, void *user_data) {
-            const uint32_t friend_number = tox_event_conference_invite_get_friend_number(event);
-            const uint8_t *cookie = tox_event_conference_invite_get_cookie(event);
-            const uint32_t cookie_length = tox_event_conference_invite_get_cookie_length(event);
-            tox_conference_join(tox, friend_number, cookie, cookie_length, nullptr);
+            assert(event == nullptr);
         });
     tox_events_callback_conference_message(
         dispatch, [](Tox *tox, const Tox_Event_Conference_Message *event, void *user_data) {
@@ -57,9 +49,7 @@ void setup_callbacks(Tox_Dispatch *dispatch)
         });
     tox_events_callback_file_recv(
         dispatch, [](Tox *tox, const Tox_Event_File_Recv *event, void *user_data) {
-            const uint32_t friend_number = tox_event_file_recv_get_friend_number(event);
-            const uint32_t file_number = tox_event_file_recv_get_file_number(event);
-            tox_file_control(tox, friend_number, file_number, TOX_FILE_CONTROL_RESUME, nullptr);
+            assert(event == nullptr);
         });
     tox_events_callback_file_recv_chunk(
         dispatch, [](Tox *tox, const Tox_Event_File_Recv_Chunk *event, void *user_data) {
@@ -74,58 +64,65 @@ void setup_callbacks(Tox_Dispatch *dispatch)
             // OK: friend came online.
             const uint32_t friend_number
                 = tox_event_friend_connection_status_get_friend_number(event);
-            assert(friend_number != UINT32_MAX);
+            assert(friend_number == 0);
+            const uint8_t message = 'A';
+            Tox_Err_Friend_Send_Message err;
+            tox_friend_send_message(tox, friend_number, TOX_MESSAGE_TYPE_NORMAL, &message, 1, &err);
+            assert(err == TOX_ERR_FRIEND_SEND_MESSAGE_OK);
         });
     tox_events_callback_friend_lossless_packet(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Lossless_Packet *event, void *user_data) {
-            const uint32_t friend_number
-                = tox_event_friend_lossless_packet_get_friend_number(event);
-            const uint32_t data_length = tox_event_friend_lossless_packet_get_data_length(event);
-            const uint8_t *data = tox_event_friend_lossless_packet_get_data(event);
-            tox_friend_send_lossless_packet(tox, friend_number, data, data_length, nullptr);
+            assert(event == nullptr);
         });
     tox_events_callback_friend_lossy_packet(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Lossy_Packet *event, void *user_data) {
-            const uint32_t friend_number = tox_event_friend_lossy_packet_get_friend_number(event);
-            const uint32_t data_length = tox_event_friend_lossy_packet_get_data_length(event);
-            const uint8_t *data = tox_event_friend_lossy_packet_get_data(event);
-            tox_friend_send_lossy_packet(tox, friend_number, data, data_length, nullptr);
+            assert(event == nullptr);
         });
     tox_events_callback_friend_message(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Message *event, void *user_data) {
             const uint32_t friend_number = tox_event_friend_message_get_friend_number(event);
-            const Tox_Message_Type type = tox_event_friend_message_get_type(event);
+            assert(friend_number == 0);
             const uint32_t message_length = tox_event_friend_message_get_message_length(event);
+            assert(message_length == 1);
             const uint8_t *message = tox_event_friend_message_get_message(event);
-            tox_friend_send_message(tox, friend_number, type, message, message_length, nullptr);
+            const uint8_t reply = message[0] + 1;
+            Tox_Err_Friend_Send_Message err;
+            tox_friend_send_message(tox, friend_number, TOX_MESSAGE_TYPE_NORMAL, &reply, 1, &err);
+            assert(err == TOX_ERR_FRIEND_SEND_MESSAGE_OK);
         });
     tox_events_callback_friend_name(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Name *event, void *user_data) {
-            // OK: friend name received.
+            const uint32_t friend_number = tox_event_friend_name_get_friend_number(event);
+            assert(friend_number == 0);
         });
     tox_events_callback_friend_read_receipt(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Read_Receipt *event, void *user_data) {
-            // OK: message has been received.
+            const uint32_t friend_number = tox_event_friend_read_receipt_get_friend_number(event);
+            assert(friend_number == 0);
+            const uint32_t message_id = tox_event_friend_read_receipt_get_message_id(event);
+            uint32_t *done = static_cast<uint32_t *>(user_data);
+            *done = std::max(*done, message_id);
         });
     tox_events_callback_friend_request(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Request *event, void *user_data) {
             Tox_Err_Friend_Add err;
             tox_friend_add_norequest(tox, tox_event_friend_request_get_public_key(event), &err);
-            assert(err == TOX_ERR_FRIEND_ADD_OK || err == TOX_ERR_FRIEND_ADD_OWN_KEY
-                || err == TOX_ERR_FRIEND_ADD_ALREADY_SENT
-                || err == TOX_ERR_FRIEND_ADD_BAD_CHECKSUM);
         });
     tox_events_callback_friend_status(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Status *event, void *user_data) {
-            // OK: friend status received.
+            const uint32_t friend_number = tox_event_friend_status_get_friend_number(event);
+            assert(friend_number == 0);
         });
     tox_events_callback_friend_status_message(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Status_Message *event, void *user_data) {
-            // OK: friend status message received.
+            const uint32_t friend_number = tox_event_friend_status_message_get_friend_number(event);
+            assert(friend_number == 0);
         });
     tox_events_callback_friend_typing(
         dispatch, [](Tox *tox, const Tox_Event_Friend_Typing *event, void *user_data) {
-            // OK: friend may be typing.
+            const uint32_t friend_number = tox_event_friend_typing_get_friend_number(event);
+            assert(friend_number == 0);
+            assert(!tox_event_friend_typing_get_typing(event));
         });
     tox_events_callback_self_connection_status(
         dispatch, [](Tox *tox, const Tox_Event_Self_Connection_Status *event, void *user_data) {
@@ -135,6 +132,15 @@ void setup_callbacks(Tox_Dispatch *dispatch)
 
 void TestEndToEnd(Fuzz_Data &input)
 {
+    /**
+     * Whether to abort the program if a friend connection can be established.
+     *
+     * This is useful to make the fuzzer produce minimal startup data so the
+     * interesting part of the fuzzer (the part that comes after the friend
+     * connection is established) can run sooner and thus more frequently.
+     */
+    const bool PROTODUMP_REDUCE = getenv("PROTODUMP_REDUCE") != nullptr;
+
     Fuzz_System sys(input);
 
     Ptr<Tox_Options> opts(tox_options_new(nullptr), tox_options_free);
@@ -146,7 +152,7 @@ void TestEndToEnd(Fuzz_Data &input)
         [](Tox *tox, Tox_Log_Level level, const char *file, uint32_t line, const char *func,
             const char *message, void *user_data) {
             // Log to stdout.
-            if (DEBUG) {
+            if (PROTODUMP_DEBUG) {
                 std::printf("[tox1] %c %s:%d(%s): %s\n", tox_log_level_name(level), file, line,
                     func, message);
             }
@@ -169,20 +175,26 @@ void TestEndToEnd(Fuzz_Data &input)
     assert(dispatch != nullptr);
     setup_callbacks(dispatch);
 
-    while (input.size > 0) {
+    while (!input.empty()) {
         Tox_Err_Events_Iterate error_iterate;
         Tox_Events *events = tox_events_iterate(tox, true, &error_iterate);
-        assert(tox_events_equal(tox_get_system(tox), events, events));
+        tox_events_equal(tox_get_system(tox), events, events);  // TODO(iphydf): assert?
         tox_dispatch_invoke(dispatch, events, tox, nullptr);
         tox_events_free(events);
-        sys.clock += std::max(System::MIN_ITERATION_INTERVAL, random_u08(sys.rng.get()));
+        const uint8_t clock_increment = random_u08(sys.rng.get());
+        if (PROTODUMP_DEBUG) {
+            printf("clock increment: %d\n", clock_increment);
+        }
+        sys.clock += std::max(System::MIN_ITERATION_INTERVAL, clock_increment);
     }
 
-    if (REDUCE_PROTODUMP) {
+    if (PROTODUMP_REDUCE) {
         assert(tox_friend_get_connection_status(tox, 0, nullptr) != 2);
     } else {
         printf("friend: %d\n", tox_friend_get_connection_status(tox, 0, nullptr));
         printf("self: %d\n", tox_self_get_connection_status(tox));
+        assert(tox_friend_get_connection_status(tox, 0, nullptr) == 2);
+        assert(input.empty());
     }
 
     tox_dispatch_free(dispatch);

external/toxcore/c-toxcore/testing/fuzzing/rebuild_protodump

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+set -eux
+
+bazel test --config=asan-libfuzzer //c-toxcore/testing/fuzzing:protodump_reduce_test
+
+bazel build --config=asan-libfuzzer //c-toxcore/testing/fuzzing:protodump
+bazel-bin/c-toxcore/testing/fuzzing/protodump | grep -v '^tox2'
+
+bazel build --config=asan-libfuzzer //c-toxcore/testing/fuzzing:protodump_reduce_bin
+bazel-bin/c-toxcore/testing/fuzzing/protodump_reduce_bin "$PWD/tools/toktok-fuzzer/init/e2e_fuzz_test.dat"
+
+#export PROTODUMP_REDUCE=1
+#bazel-bin/c-toxcore/testing/fuzzing/protodump_reduce_bin -minimize_crash=1 "$PWD/tools/toktok-fuzzer/init/e2e_fuzz_test.dat"

external/toxcore/c-toxcore/testing/fuzzing/toxsave_fuzz_test.cc

@@ -17,7 +17,7 @@ void TestSaveDataLoading(Fuzz_Data &input)
     assert(tox_options != nullptr);
     assert(error_options == TOX_ERR_OPTIONS_NEW_OK);
 
-    const size_t savedata_size = input.size;
+    const size_t savedata_size = input.size();
     CONSUME_OR_RETURN(const uint8_t *savedata, input, savedata_size);
 
     Null_System sys;

external/toxcore/c-toxcore/testing/run_afl.sh

@@ -5,7 +5,7 @@ COMMON_CMAKE_OPTIONS="-DCMAKE_C_COMPILER=afl-clang-lto -DCMAKE_CXX_COMPILER=afl-
 # move to repo root
 cd ../
 
-# build fuzzer target UBSAN
+# build fuzz_test target UBSAN
 mkdir -p _afl_build_ubsan
 cd _afl_build_ubsan
 
@@ -14,14 +14,14 @@ export AFL_USE_UBSAN=1
 # build c-toxcore using afl instrumentation
 cmake -DCMAKE_BUILD_TYPE=Debug "$COMMON_CMAKE_OPTIONS" ..
 
-# build fuzzer target
-cmake --build ./ --target bootstrap_fuzzer
+# build fuzz_test target
+cmake --build ./ --target bootstrap_fuzz_test
 
 unset AFL_USE_UBSAN
 
 cd ..
 
-# build fuzzer target MSAN
+# build fuzz_test target MSAN
 mkdir -p _afl_build_msan
 cd _afl_build_msan
 
@@ -30,14 +30,14 @@ export AFL_USE_MSAN=1
 # build c-toxcore using afl instrumentation
 cmake -DCMAKE_BUILD_TYPE=Debug "$COMMON_CMAKE_OPTIONS" ..
 
-# build fuzzer target
-cmake --build ./ --target bootstrap_fuzzer
+# build fuzz_test target
+cmake --build ./ --target bootstrap_fuzz_test
 
 unset AFL_USE_MSAN
 
 cd ..
 
-# build fuzzer target ASAN
+# build fuzz_test target ASAN
 mkdir -p _afl_build_asan
 cd _afl_build_asan
 
@@ -46,26 +46,26 @@ export AFL_USE_ASAN=1
 # build c-toxcore using afl instrumentation
 cmake -DCMAKE_BUILD_TYPE=Debug "$COMMON_CMAKE_OPTIONS" ..
 
-# build fuzzer target
-cmake --build ./ --target bootstrap_fuzzer
+# build fuzz_test target
+cmake --build ./ --target bootstrap_fuzz_test
 
 unset AFL_USE_ASAN
 
 cd ..
 
-# build fuzzer target without sanitizers for afl-tmin
+# build fuzz_test target without sanitizers for afl-tmin
 mkdir -p _afl_build
 cd _afl_build
 
 # build c-toxcore using afl instrumentation
 cmake -DCMAKE_BUILD_TYPE=Debug "$COMMON_CMAKE_OPTIONS" ..
 
-# build fuzzer target
-cmake --build ./ --target bootstrap_fuzzer
+# build fuzz_test target
+cmake --build ./ --target bootstrap_fuzz_test
 
 cd ..
 
-# build fuzzer target with CmpLog
+# build fuzz_test target with CmpLog
 mkdir -p _afl_build_cmplog
 cd _afl_build_cmplog
 
@@ -74,27 +74,27 @@ export AFL_LLVM_CMPLOG=1
 # build c-toxcore using afl instrumentation
 cmake -DCMAKE_BUILD_TYPE=Debug "$COMMON_CMAKE_OPTIONS" ..
 
-# build fuzzer target
-cmake --build ./ --target bootstrap_fuzzer
+# build fuzz_test target
+cmake --build ./ --target bootstrap_fuzz_test
 
 unset AFL_LLVM_CMPLOG
 
 cd ..
 
-# build fuzzer target for code coverage
+# build fuzz_test target for code coverage
 mkdir -p _cov_build
 cd _cov_build
 
 # build c-toxcore using afl instrumentation
 cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS="-fprofile-arcs -ftest-coverage" -DCMAKE_C_FLAGS="-fprofile-arcs -ftest-coverage" -DCMAKE_VERBOSE_MAKEFILE=ON "$COMMON_CMAKE_OPTIONS" ..
 
-# build fuzzer target
-cmake --build ./ --target bootstrap_fuzzer
+# build fuzz_test target
+cmake --build ./ --target bootstrap_fuzz_test
 
 # back to repo root
 cd ../
 
-# Create fuzzer working directory
+# Create fuzz_test working directory
 
 mkdir -p _afl_out
 
@@ -106,21 +106,21 @@ export AFL_AUTORESUME=1
 # faster startup
 export AFL_FAST_CAL=1
 
-echo "connect to the fuzzers using: screen -x fuzz"
+echo "connect to the fuzz_tests using: screen -x fuzz"
 echo "if fuzzing doesn't start execute the following as root:"
 echo ""
 echo "echo core >/proc/sys/kernel/core_pattern"
 echo "echo performance | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor"
 
-# Main fuzzer, keeps complete corpus
-screen -dmS fuzz afl-fuzz -M fuzz0 "$AFL_ARGS" -c ./_afl_build_cmplog/bootstrap_fuzzer ./_afl_build/bootstrap_fuzzer
+# Main fuzz_test, keeps complete corpus
+screen -dmS fuzz afl-fuzz -M fuzz0 "$AFL_ARGS" -c ./_afl_build_cmplog/bootstrap_fuzz_test ./_afl_build/bootstrap_fuzz_test
 sleep 10s
 
-# Secondary fuzzers
-screen -S fuzz -X screen afl-fuzz -S fuzz1 "$AFL_ARGS" -- ./_afl_build_msan/bootstrap_fuzzer
+# Secondary fuzz_tests
+screen -S fuzz -X screen afl-fuzz -S fuzz1 "$AFL_ARGS" -- ./_afl_build_msan/bootstrap_fuzz_test
 sleep 1s
 
-screen -S fuzz -X screen afl-fuzz -S fuzz2 "$AFL_ARGS" ./_afl_build_ubsan/bootstrap_fuzzer
+screen -S fuzz -X screen afl-fuzz -S fuzz2 "$AFL_ARGS" ./_afl_build_ubsan/bootstrap_fuzz_test
 sleep 1s
 
-screen -S fuzz -X screen afl-fuzz -S fuzz3 "$AFL_ARGS" ./_afl_build_asan/bootstrap_fuzzer
+screen -S fuzz -X screen afl-fuzz -S fuzz3 "$AFL_ARGS" ./_afl_build_asan/bootstrap_fuzz_test

external/toxcore/c-toxcore/toxav/audio.c

@@ -196,13 +196,13 @@ void ac_iterate(ACSession *ac)
 
 int ac_queue_message(Mono_Time *mono_time, void *acp, struct RTPMessage *msg)
 {
-    if (acp == nullptr || msg == nullptr) {
+    ACSession *ac = (ACSession *)acp;
+
+    if (ac == nullptr || msg == nullptr) {
         free(msg);
         return -1;
     }
 
-    ACSession *ac = (ACSession *)acp;
-
     if ((msg->header.pt & 0x7f) == (RTP_TYPE_AUDIO + 2) % 128) {
         LOGGER_WARNING(ac->log, "Got dummy!");
         free(msg);

external/toxcore/c-toxcore/toxav/bwcontroller.c

@@ -208,6 +208,8 @@ static int bwc_send_custom_lossy_packet(Tox *tox, int32_t friendnumber, const ui
 
 static int bwc_handle_data(Messenger *m, uint32_t friendnumber, const uint8_t *data, uint16_t length, void *object)
 {
+    BWController *bwc = (BWController *)object;
+
     if (length - 1 != sizeof(struct BWCMessage)) {
         return -1;
     }
@@ -218,5 +220,5 @@ static int bwc_handle_data(Messenger *m, uint32_t friendnumber, const uint8_t *d
     offset += net_unpack_u32(data + offset, &msg.recv);
     assert(offset == length);
 
-    return on_update((BWController *)object, &msg);
+    return on_update(bwc, &msg);
 }

external/toxcore/c-toxcore/toxav/groupav.c

@@ -290,8 +290,9 @@ static void group_av_peer_delete(void *object, uint32_t groupnumber, void *peer_
 
 static void group_av_groupchat_delete(void *object, uint32_t groupnumber)
 {
-    if (object != nullptr) {
-        kill_group_av((Group_AV *)object);
+    Group_AV *group_av = (Group_AV *)object;
+    if (group_av != nullptr) {
+        kill_group_av(group_av);
     }
 }
 
@@ -404,12 +405,13 @@ static int decode_audio_packet(Group_AV *group_av, Group_Peer_AV *peer_av, uint3
 static int handle_group_audio_packet(void *object, uint32_t groupnumber, uint32_t friendgroupnumber, void *peer_object,
                                      const uint8_t *packet, uint16_t length)
 {
-    if (peer_object == nullptr || object == nullptr || length <= sizeof(uint16_t)) {
+    Group_AV *group_av = (Group_AV *)object;
+    Group_Peer_AV *peer_av = (Group_Peer_AV *)peer_object;
+
+    if (group_av == nullptr || peer_av == nullptr || length <= sizeof(uint16_t)) {
         return -1;
     }
 
-    Group_Peer_AV *peer_av = (Group_Peer_AV *)peer_object;
-
     Group_Audio_Packet *pk = (Group_Audio_Packet *)calloc(1, sizeof(Group_Audio_Packet));
 
     if (pk == nullptr) {
@@ -433,7 +435,7 @@ static int handle_group_audio_packet(void *object, uint32_t groupnumber, uint32_
         return -1;
     }
 
-    while (decode_audio_packet((Group_AV *)object, peer_av, groupnumber, friendgroupnumber) == 0) {
+    while (decode_audio_packet(group_av, peer_av, groupnumber, friendgroupnumber) == 0) {
         /* Continue. */
     }
 

external/toxcore/c-toxcore/toxav/msi.c

@@ -60,7 +60,7 @@ typedef struct MSIMessage {
 
 static void msg_init(MSIMessage *dest, MSIRequest request);
 static int msg_parse_in(const Logger *log, MSIMessage *dest, const uint8_t *data, uint16_t length);
-static uint8_t *msg_parse_header_out(MSIHeaderID id, uint8_t *dest, const void *value, uint8_t value_len,
+static uint8_t *msg_parse_header_out(MSIHeaderID id, uint8_t *dest, const uint8_t *value, uint8_t value_len,
                                      uint16_t *length);
 static int send_message(const Messenger *m, uint32_t friend_number, const MSIMessage *msg);
 static int send_error(const Messenger *m, uint32_t friend_number, MSIError error);
@@ -425,7 +425,7 @@ static int msg_parse_in(const Logger *log, MSIMessage *dest, const uint8_t *data
 
     return 0;
 }
-static uint8_t *msg_parse_header_out(MSIHeaderID id, uint8_t *dest, const void *value, uint8_t value_len,
+static uint8_t *msg_parse_header_out(MSIHeaderID id, uint8_t *dest, const uint8_t *value, uint8_t value_len,
                                      uint16_t *length)
 {
     /* Parse a single header for sending */
@@ -587,7 +587,7 @@ static MSICall *new_call(MSISession *session, uint32_t friend_number)
         session->calls_tail = friend_number;
         session->calls_head = friend_number;
     } else if (session->calls_tail < friend_number) { /* Appending */
-        MSICall **tmp = (MSICall **)realloc(session->calls, sizeof(MSICall *) * (friend_number + 1));
+        MSICall **tmp = (MSICall **)realloc(session->calls,  (friend_number + 1) * sizeof(MSICall *));
 
         if (tmp == nullptr) {
             free(rc);
@@ -657,12 +657,13 @@ CLEAR_CONTAINER:
 }
 static void on_peer_status(Messenger *m, uint32_t friend_number, uint8_t status, void *data)
 {
+    MSISession *session = (MSISession *)data;
+
     if (status != 0) {
         // Friend is online.
         return;
     }
 
-    MSISession *session = (MSISession *)data;
     LOGGER_DEBUG(m->log, "Friend %d is now offline", friend_number);
 
     pthread_mutex_lock(session->mutex);
@@ -851,9 +852,10 @@ static void handle_pop(MSICall *call, const MSIMessage *msg)
 }
 static void handle_msi_packet(Messenger *m, uint32_t friend_number, const uint8_t *data, uint16_t length, void *object)
 {
+    MSISession *session = (MSISession *)object;
+
     LOGGER_DEBUG(m->log, "Got msi message");
 
-    MSISession *session = (MSISession *)object;
     MSIMessage msg;
 
     if (msg_parse_in(m->log, &msg, data, length) == -1) {

external/toxcore/c-toxcore/toxav/ring_buffer.c

@@ -106,8 +106,9 @@ uint16_t rb_size(const RingBuffer *b)
 uint16_t rb_data(const RingBuffer *b, void **dest)
 {
     uint16_t i;
+    const uint16_t size = rb_size(b);
 
-    for (i = 0; i < rb_size(b); ++i) {
+    for (i = 0; i < size; ++i) {
         dest[i] = b->data[(b->start + i) % b->size];
     }