Squashed 'external/toxcore/c-toxcore/' changes from e2c01e457b..b03b571272

b03b571272 fix: flaky tcp test This only fixes the symptoms, not the real problem. Sometimes or consistently on some platforms a socket might need a moment before it can be written to.
32e67ab4c2 cleanup: use typedef for private message ID's in callback
7b1db6adc1 feat: add message IDs to private group messages
99e0bcc27d refactor: Observers/ignored peers can now send and receive custom packets
b3c3c49d26 fix: Disable IPv6 in Windows cross-compilation tests
e742deddff feat: Check hashes of Windows dependencies when cross-compiling
dfb9a0b02b fix: Test the current Windows Dockerfile, not an old Dockerhub image
14de93ccec chore: Use WineHQ's Wine as Debian Bookworm's crashes
ed37616249 docs: Update the Windows cross-compilation section
9bb79c174f cleanup: Remove a couple of unnecessary misc_tools dependencies
19475adb70 chore: Statically link OpenMP into the cracker fun util on Windows
1be311e51f feat: Build the fun utils when cross-compiling to Windows
88133f8446 chore: Strip Windows binaries
3cc0ae7535 refactor: Copy over all of the required static dependencies
c4fa8f7fb1 feat: Generate .def, .exp and .lib files when building for Windows
74bbac5363 feat: Let CMake create the dll instead of doing so ourselves
246642e9ae feat: Harden Windows cross-compilation
8d431c0d11 chore: Bump Windows build dependency versions
e519f7998b fix: Remove unnecessary wsock32 dependency on Windows
ed2b60c217 chore: Use a specific non-broken slimcc version.
d7f21010a1 chore: Update github actions.
e71a68b7f2 docs: Update the list of CMake options
77e08876ff chore: Remove mod and founder from group API naming scheme
12bc042767 docs: add the experimental api build option to INSTALL.md
e1fa5cae96 refactor: Rename Queries to Query to align with other enums.
be82a3ea30 fix: Correct type for conference offline peer numbers.
0627c36716 test: Add pkgsrc build.
92578afe4b test: Add FreeBSD VM action on GitHub.
52ece0f57b test: Build toxcore on NetBSD (VM).
3fe8ee2c11 chore: Only install tox_private.h on request.
9a8dfa06ab fix: save_compatibility_test failing on big-endian systems
86f5e55578 fix: Don't serve files from websockify.
710eb674a5 fix: Correctly pass extended public keys to group moderation code.
021db7031c refactor: Use `struct`s for extended public/secret keys.
a1e999fd80 chore: Compile libsodium reference implementation with compcert.
fbe3c19cf5 cleanup: correct a few nullable annotations
623e3ee5c3 cleanup: Don't use `memcpy` to cast arbitrary `struct`s to `uint8_t[]`.
c71567dc18 fix: Pass array, not array pointer, to `memcmp`.
9b46a08144 cleanup: Never pass `void*` directly to `memcpy`.
5d7b7a7bbc refactor: Use tox rng to seed the keypair generation.
961891d568 cleanup: Small improvements found by PVS Studio.
8201019f0d chore: Disable NGC saving by default, enable through Tox_Options.
5dd9ee3f65 cleanup: Replace pointer arithmetic with explicit `&arr[i]`.
ca4606d49d refactor: Use strong typedef for NGC peer id.
442213b722 cleanup: Simplify custom packet length check in NGC.
08d3393def fix: Correct a few potential null derefs in bootstrap daemon.
b9877b32b0 fix: Add missing memunlock of local variable when it goes out of scope.
dab5fe44b9 fix: Zero out stack-allocated secret key before return.
f058103299 refactor: Make prune_gc_sanctions_list more obviously correct.
3ba7a0dec9 docs: Add static analysis tool list to README.
8d0811a0f3 docs: Run prettier-markdown on markdown files.
969e3a2bfc refactor: Fix network test not using the strong typedef
93c83fbc7c refactor: Use strong typedef instead of struct for `Socket`.
9fe18b176f fix: Fix some false positive from PVS Studio.
7c44379ccb cleanup: Check that WINXP macro exists before comparing it.
5c93231bef refactor: Make tox mutex non-recursive.
aacff73939 docs: Fix up doxyfile.
d55fc85ff5 docs: Add more documentation to crypto_core.
5bdaaaedb6 refactor: Remove `Tox *` from `tox_dispatch`.
e202341e76 refactor: Don't rely on tox_dispatch passing tox in tests.
34df938f52 chore: Use C++ mode for clang-tidy.
8b05296a78 chore: Check that both gtest and gmock exist for tests.
42010660e1 test: Add slimcc compiler compatibility test.
b473630321 chore: Add some comments to the astyle config.
b7404f24f6 cleanup: Remove implicit bool conversions.
4e2dba4d9f chore: Reformat sources with astyle.
4359e3a6bc chore: Rename C++ headers to .hh suffixes.
0c05566e58 cleanup: Further `#include` cleanups.
8d29935b7a chore: Only check the bootstrap daemon checksum on release.
f70e588bc6 cleanup: Add more `const` where possible.
511bfe39c8 cleanup: Use Bazel modules to enforce proper `#include` hygiene.
1710a0d091 refactor: Move pack/unpack `IP_Port` from DHT into network module.
a975943564 chore: Really fix coverage docker image build.
c08409390f chore: Fix post-submit coverage image.
39aadf8922 fix: Don't use `memcmp` to compare `IP_Port`s.
d94246a906 fix: partially fix a bug that prevented group part messages from sending.
eeaa039222 chore: Fix rpm build; add a CI check for it.
8328449c1a chore: Speed up docker builds a bit by reducing layer count.
d6d67d56f3 cleanup: Add `const` where possible in auto tests.
6aa9e6850d cleanup: Minor cleanup of event unpack code.
bdf460a3a9 refactor: Rename `system_{memory,...}` to `os_{memory,...}`.
203e1af81e fix: a few off by one errors in group autotests
5c093c4888 cleanup: Remove all uses of `SIZEOF_VLA`.
662c2140f3 test: Add goblint static analyser.
8f07755834 cleanup: Use `memzero(x, s)` instead of `memset(x, 0, s)`.
a7258e40cf cleanup: Use explicit 0 instead of `PACKET_ID_PADDING`.
6370d0f15d cleanup: Expand the `Tox_Options` accessor macros.
14a1a0b9bd cleanup: Remove plan9 support.
a05dccad13 test: Add a simple new/delete test for Tox.
1cdcf938b9 cleanup: Add comment after every `#endif`.
ba99d4dc4b test: Fix comment I broke in the events test PR.
e07248debb refactor: Migrate auto_tests to new events API.
bdd42b5452 refactor: Add common msgpack array packer with callback.
3c659f5288 cleanup: Rename group to conference in groupav documentation.
89957be230 cleanup: Ensure handler params are named after callback params.
c650d9d345 refactor: Pass `this` pointer as first param to s11n callbacks.
e7fb91ddb8 refactor: Allow NULL pointers for byte arrays in events.
5e2c8cabc1 cleanup: make some improvements to group moderation test
259de4867e cleanup: Remove `bin_pack_{new,free}`.
21a8ff5895 cleanup: skip a do_gc iteration before removing peers marked for deletion
16809dc36e feat: Add dht_get_nodes_response event to the events system.

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: b03b5712720de9a9901ea12fd741f177327a7021
This commit is contained in:
2024-03-07 23:12:55 +01:00
parent 61accfe184
commit aae086cc65
358 changed files with 8093 additions and 5229 deletions

View File

@ -11,15 +11,15 @@
#include <string.h>
#if !defined(_WIN32) && !defined(__WIN32__) && !defined (WIN32)
#include <sys/ioctl.h>
#endif
#endif /* !WIN32 */
#ifdef TCP_SERVER_USE_EPOLL
#include <sys/epoll.h>
#include <unistd.h>
#endif
#endif /* TCP_SERVER_USE_EPOLL */
#include "DHT.h"
#include "TCP_common.h"
#include "attributes.h"
#include "ccompat.h"
#include "crypto_core.h"
#include "forwarding.h"
@ -35,7 +35,7 @@
#define TCP_SOCKET_INCOMING 1
#define TCP_SOCKET_UNCONFIRMED 2
#define TCP_SOCKET_CONFIRMED 3
#endif
#endif /* TCP_SERVER_USE_EPOLL */
typedef struct TCP_Secure_Conn {
uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE];
@ -60,6 +60,7 @@ typedef struct TCP_Secure_Connection {
uint64_t ping_id;
} TCP_Secure_Connection;
static const TCP_Secure_Connection empty_tcp_secure_connection = {{nullptr}};
struct TCP_Server {
const Logger *logger;
@ -72,7 +73,7 @@ struct TCP_Server {
#ifdef TCP_SERVER_USE_EPOLL
int efd;
uint64_t last_run_pinged;
#endif
#endif /* TCP_SERVER_USE_EPOLL */
Socket *socks_listening;
unsigned int num_listening_socks;
@ -109,8 +110,8 @@ size_t tcp_server_listen_count(const TCP_Server *tcp_server)
#ifdef TCP_SERVER_USE_EPOLL
#ifndef EPOLLRDHUP
#define EPOLLRDHUP 0x2000
#endif
#endif
#endif /* EPOLLRDHUP */
#endif /* TCP_SERVER_USE_EPOLL */
/** @brief Increase the size of the connection list
*
@ -135,8 +136,9 @@ static int alloc_new_connections(TCP_Server *tcp_server, uint32_t num)
}
const uint32_t old_size = tcp_server->size_accepted_connections;
const uint32_t size_new_entries = num * sizeof(TCP_Secure_Connection);
memset(new_connections + old_size, 0, size_new_entries);
for (uint32_t i = 0; i < num; ++i) {
new_connections[old_size + i] = empty_tcp_secure_connection;
}
tcp_server->accepted_connection_array = new_connections;
tcp_server->size_accepted_connections = new_size;
@ -185,7 +187,6 @@ static int get_tcp_connection_index(const TCP_Server *tcp_server, const uint8_t
return bs_list_find(&tcp_server->accepted_key_list, public_key);
}
non_null()
static int kill_accepted(TCP_Server *tcp_server, int index);
@ -354,7 +355,7 @@ static int handle_tcp_handshake(const Logger *logger, TCP_Secure_Connection *con
return -1;
}
IP_Port ipp = {{{0}}};
const IP_Port ipp = {{{0}}};
if (TCP_SERVER_HANDSHAKE_SIZE != net_send(con->con.ns, logger, con->con.sock, response, TCP_SERVER_HANDSHAKE_SIZE, &ipp)) {
crypto_memzero(shared_key, sizeof(shared_key));
@ -529,12 +530,13 @@ static int handle_tcp_oob_send(TCP_Server *tcp_server, uint32_t con_id, const ui
const int other_index = get_tcp_connection_index(tcp_server, public_key);
if (other_index != -1) {
VLA(uint8_t, resp_packet, 1 + CRYPTO_PUBLIC_KEY_SIZE + length);
const uint16_t resp_packet_size = 1 + CRYPTO_PUBLIC_KEY_SIZE + length;
VLA(uint8_t, resp_packet, resp_packet_size);
resp_packet[0] = TCP_PACKET_OOB_RECV;
memcpy(resp_packet + 1, con->public_key, CRYPTO_PUBLIC_KEY_SIZE);
memcpy(resp_packet + 1 + CRYPTO_PUBLIC_KEY_SIZE, data, length);
write_packet_tcp_secure_connection(tcp_server->logger, &tcp_server->accepted_connection_array[other_index].con,
resp_packet, SIZEOF_VLA(resp_packet), false);
resp_packet, resp_packet_size, false);
}
return 0;
@ -617,11 +619,12 @@ static int handle_onion_recv_1(void *object, const IP_Port *dest, const uint8_t
TCP_Secure_Connection *con = &tcp_server->accepted_connection_array[index];
VLA(uint8_t, packet, 1 + length);
const uint16_t packet_size = 1 + length;
VLA(uint8_t, packet, packet_size);
memcpy(packet + 1, data, length);
packet[0] = TCP_PACKET_ONION_RESPONSE;
if (write_packet_tcp_secure_connection(tcp_server->logger, &con->con, packet, SIZEOF_VLA(packet), false) != 1) {
if (write_packet_tcp_secure_connection(tcp_server->logger, &con->con, packet, packet_size, false) != 1) {
return 1;
}
@ -657,11 +660,12 @@ static bool handle_forward_reply_tcp(void *object, const uint8_t *sendback_data,
return false;
}
VLA(uint8_t, packet, 1 + length);
const uint16_t packet_size = 1 + length;
VLA(uint8_t, packet, packet_size);
memcpy(packet + 1, data, length);
packet[0] = TCP_PACKET_FORWARDING;
return write_packet_tcp_secure_connection(tcp_server->logger, &con->con, packet, SIZEOF_VLA(packet), false) == 1;
return write_packet_tcp_secure_connection(tcp_server->logger, &con->con, packet, packet_size, false) == 1;
}
/**
@ -759,7 +763,7 @@ static int handle_tcp_packet(TCP_Server *tcp_server, uint32_t con_id, const uint
return -1;
}
IP_Port source = con_id_to_ip_port(con_id, con->identifier);
const IP_Port source = con_id_to_ip_port(con_id, con->identifier);
onion_send_1(tcp_server->onion, data + 1 + CRYPTO_NONCE_SIZE, length - (1 + CRYPTO_NONCE_SIZE), &source,
data + 1);
}
@ -844,7 +848,6 @@ static int handle_tcp_packet(TCP_Server *tcp_server, uint32_t con_id, const uint
return 0;
}
non_null()
static int confirm_tcp_connection(TCP_Server *tcp_server, const Mono_Time *mono_time, TCP_Secure_Connection *con,
const uint8_t *data, uint16_t length)
@ -991,7 +994,7 @@ TCP_Server *new_tcp_server(const Logger *logger, const Memory *mem, const Random
return nullptr;
}
#endif
#endif /* TCP_SERVER_USE_EPOLL */
const Family family = ipv6_enabled ? net_family_ipv6() : net_family_ipv4();
@ -1006,13 +1009,13 @@ TCP_Server *new_tcp_server(const Logger *logger, const Memory *mem, const Random
struct epoll_event ev;
ev.events = EPOLLIN | EPOLLET;
ev.data.u64 = sock.sock | ((uint64_t)TCP_SOCKET_LISTENING << 32);
ev.data.u64 = net_socket_to_native(sock) | ((uint64_t)TCP_SOCKET_LISTENING << 32);
if (epoll_ctl(temp->efd, EPOLL_CTL_ADD, sock.sock, &ev) == -1) {
if (epoll_ctl(temp->efd, EPOLL_CTL_ADD, net_socket_to_native(sock), &ev) == -1) {
continue;
}
#endif
#endif /* TCP_SERVER_USE_EPOLL */
temp->socks_listening[temp->num_listening_socks] = sock;
++temp->num_listening_socks;
@ -1037,7 +1040,7 @@ TCP_Server *new_tcp_server(const Logger *logger, const Memory *mem, const Random
memcpy(temp->secret_key, secret_key, CRYPTO_SECRET_KEY_SIZE);
crypto_derive_public_key(temp->public_key, temp->secret_key);
bs_list_init(&temp->accepted_key_list, CRYPTO_PUBLIC_KEY_SIZE, 8);
bs_list_init(&temp->accepted_key_list, CRYPTO_PUBLIC_KEY_SIZE, 8, memcmp);
return temp;
}
@ -1057,7 +1060,7 @@ static void do_tcp_accept_new(TCP_Server *tcp_server)
}
}
}
#endif
#endif /* TCP_SERVER_USE_EPOLL */
non_null()
static int do_incoming(TCP_Server *tcp_server, uint32_t i)
@ -1109,7 +1112,8 @@ static int do_unconfirmed(TCP_Server *tcp_server, const Mono_Time *mono_time, ui
LOGGER_TRACE(tcp_server->logger, "handling unconfirmed TCP connection %d", i);
uint8_t packet[MAX_PACKET_SIZE];
const int len = read_packet_tcp_secure_connection(tcp_server->logger, conn->con.mem, conn->con.ns, conn->con.sock, &conn->next_packet_length, conn->con.shared_key, conn->recv_nonce, packet, sizeof(packet), &conn->con.ip_port);
const int len = read_packet_tcp_secure_connection(tcp_server->logger, conn->con.mem, conn->con.ns, conn->con.sock, &conn->next_packet_length, conn->con.shared_key, conn->recv_nonce, packet,
sizeof(packet), &conn->con.ip_port);
if (len == 0) {
return -1;
@ -1129,7 +1133,8 @@ static bool tcp_process_secure_packet(TCP_Server *tcp_server, uint32_t i)
TCP_Secure_Connection *const conn = &tcp_server->accepted_connection_array[i];
uint8_t packet[MAX_PACKET_SIZE];
const int len = read_packet_tcp_secure_connection(tcp_server->logger, conn->con.mem, conn->con.ns, conn->con.sock, &conn->next_packet_length, conn->con.shared_key, conn->recv_nonce, packet, sizeof(packet), &conn->con.ip_port);
const int len = read_packet_tcp_secure_connection(tcp_server->logger, conn->con.mem, conn->con.ns, conn->con.sock, &conn->next_packet_length, conn->con.shared_key, conn->recv_nonce, packet,
sizeof(packet), &conn->con.ip_port);
LOGGER_TRACE(tcp_server->logger, "processing packet for %d: %d", i, len);
if (len == 0) {
@ -1174,7 +1179,7 @@ static void do_tcp_unconfirmed(TCP_Server *tcp_server, const Mono_Time *mono_tim
do_unconfirmed(tcp_server, mono_time, i);
}
}
#endif
#endif /* TCP_SERVER_USE_EPOLL */
non_null()
static void do_tcp_confirmed(TCP_Server *tcp_server, const Mono_Time *mono_time)
@ -1186,7 +1191,7 @@ static void do_tcp_confirmed(TCP_Server *tcp_server, const Mono_Time *mono_time)
}
tcp_server->last_run_pinged = mono_time_get(mono_time);
#endif
#endif /* TCP_SERVER_USE_EPOLL */
for (uint32_t i = 0; i < tcp_server->size_accepted_connections; ++i) {
TCP_Secure_Connection *conn = &tcp_server->accepted_connection_array[i];
@ -1229,7 +1234,7 @@ static void do_tcp_confirmed(TCP_Server *tcp_server, const Mono_Time *mono_time)
do_confirmed_recv(tcp_server, i);
#endif
#endif /* TCP_SERVER_USE_EPOLL */
}
}
@ -1243,7 +1248,7 @@ static bool tcp_epoll_process(TCP_Server *tcp_server, const Mono_Time *mono_time
#undef MAX_EVENTS
for (int n = 0; n < nfds; ++n) {
const Socket sock = {(int)(events[n].data.u64 & 0xFFFFFFFF)};
const Socket sock = net_socket_from_native((int)(events[n].data.u64 & 0xFFFFFFFF));
const int status = (events[n].data.u64 >> 32) & 0xFF;
const int index = events[n].data.u64 >> 40;
@ -1277,7 +1282,6 @@ static bool tcp_epoll_process(TCP_Server *tcp_server, const Mono_Time *mono_time
continue;
}
if ((events[n].events & EPOLLIN) == 0) {
continue;
}
@ -1302,9 +1306,9 @@ static bool tcp_epoll_process(TCP_Server *tcp_server, const Mono_Time *mono_time
ev.events = EPOLLIN | EPOLLET | EPOLLRDHUP;
ev.data.u64 = sock_new.sock | ((uint64_t)TCP_SOCKET_INCOMING << 32) | ((uint64_t)index_new << 40);
ev.data.u64 = net_socket_to_native(sock_new) | ((uint64_t)TCP_SOCKET_INCOMING << 32) | ((uint64_t)index_new << 40);
if (epoll_ctl(tcp_server->efd, EPOLL_CTL_ADD, sock_new.sock, &ev) == -1) {
if (epoll_ctl(tcp_server->efd, EPOLL_CTL_ADD, net_socket_to_native(sock_new), &ev) == -1) {
LOGGER_DEBUG(tcp_server->logger, "new connection %d was dropped due to epoll error %d", index, net_error());
kill_tcp_secure_connection(&tcp_server->incoming_connection_queue[index_new]);
continue;
@ -1320,9 +1324,9 @@ static bool tcp_epoll_process(TCP_Server *tcp_server, const Mono_Time *mono_time
if (index_new != -1) {
LOGGER_TRACE(tcp_server->logger, "incoming connection %d was accepted as %d", index, index_new);
events[n].events = EPOLLIN | EPOLLET | EPOLLRDHUP;
events[n].data.u64 = sock.sock | ((uint64_t)TCP_SOCKET_UNCONFIRMED << 32) | ((uint64_t)index_new << 40);
events[n].data.u64 = net_socket_to_native(sock) | ((uint64_t)TCP_SOCKET_UNCONFIRMED << 32) | ((uint64_t)index_new << 40);
if (epoll_ctl(tcp_server->efd, EPOLL_CTL_MOD, sock.sock, &events[n]) == -1) {
if (epoll_ctl(tcp_server->efd, EPOLL_CTL_MOD, net_socket_to_native(sock), &events[n]) == -1) {
LOGGER_DEBUG(tcp_server->logger, "incoming connection %d was dropped due to epoll error %d", index, net_error());
kill_tcp_secure_connection(&tcp_server->unconfirmed_connection_queue[index_new]);
break;
@ -1338,9 +1342,9 @@ static bool tcp_epoll_process(TCP_Server *tcp_server, const Mono_Time *mono_time
if (index_new != -1) {
LOGGER_TRACE(tcp_server->logger, "unconfirmed connection %d was confirmed as %d", index, index_new);
events[n].events = EPOLLIN | EPOLLET | EPOLLRDHUP;
events[n].data.u64 = sock.sock | ((uint64_t)TCP_SOCKET_CONFIRMED << 32) | ((uint64_t)index_new << 40);
events[n].data.u64 = net_socket_to_native(sock) | ((uint64_t)TCP_SOCKET_CONFIRMED << 32) | ((uint64_t)index_new << 40);
if (epoll_ctl(tcp_server->efd, EPOLL_CTL_MOD, sock.sock, &events[n]) == -1) {
if (epoll_ctl(tcp_server->efd, EPOLL_CTL_MOD, net_socket_to_native(sock), &events[n]) == -1) {
// remove from confirmed connections
LOGGER_DEBUG(tcp_server->logger, "unconfirmed connection %d was dropped due to epoll error %d", index, net_error());
kill_accepted(tcp_server, index_new);
@ -1369,7 +1373,7 @@ static void do_tcp_epoll(TCP_Server *tcp_server, const Mono_Time *mono_time)
continue;
}
}
#endif
#endif /* TCP_SERVER_USE_EPOLL */
void do_tcp_server(TCP_Server *tcp_server, const Mono_Time *mono_time)
{
@ -1380,7 +1384,7 @@ void do_tcp_server(TCP_Server *tcp_server, const Mono_Time *mono_time)
do_tcp_accept_new(tcp_server);
do_tcp_incoming(tcp_server);
do_tcp_unconfirmed(tcp_server, mono_time);
#endif
#endif /* TCP_SERVER_USE_EPOLL */
do_tcp_confirmed(tcp_server, mono_time);
}
@ -1407,7 +1411,7 @@ void kill_tcp_server(TCP_Server *tcp_server)
#ifdef TCP_SERVER_USE_EPOLL
close(tcp_server->efd);
#endif
#endif /* TCP_SERVER_USE_EPOLL */
for (uint32_t i = 0; i < MAX_INCOMING_CONNECTIONS; ++i) {
wipe_secure_connection(&tcp_server->incoming_connection_queue[i]);