read lib docu and make example exe

This commit is contained in:
Green Sky 2023-10-24 01:22:09 +02:00
parent 0f35d82e9f
commit d2c9de4992
No known key found for this signature in database
4 changed files with 99 additions and 8 deletions

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@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
# cmake setup begin
project(solanaceae_clamav)

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@ -12,15 +12,15 @@ add_subdirectory(./solanaceae_message3)
# TODO: move to clamav.cmake
find_package(PkgConfig QUIET)
if (PKG_CONFIG_FOUND)
pkg_check_modules(PKGC_CLAMAV QUIET IMPORTED_TARGET libclamav)
pkg_check_modules(PKGC_CLAMAV QUIET IMPORTED_TARGET GLOBAL libclamav)
if (PKGC_CLAMAV_FOUND)
add_library(libclamav ALIAS PkgConfig::PKGC_CLAMAV)
message("II libclamav found using pkg-config")
add_library(EXT_SOL::libclamav ALIAS PkgConfig::PKGC_CLAMAV)
message("II clamav found using pkg-config")
endif()
endif()
if (NOT TARGET libclamav)
if (NOT TARGET EXT_SOL::libclamav)
include(FetchContent)
set(ENABLE_LIBCLAMAV_ONLY ON)
set(ENABLE_APP OFF)
@ -30,9 +30,11 @@ if (NOT TARGET libclamav)
GIT_TAG clamav-1.2.0
# find_package is tried first
FIND_PACKAGE_ARGS NAMES libclamav
FIND_PACKAGE_ARGS NAMES clamav ClamAV libclamav libClamAV
)
FetchContent_MakeAvailable(clamav)
add_library(EXT_SOL::libclamav ALIAS clamav)
endif()

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@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
add_library(solanaceae_clamav
./solanaceae/clamav/test_lib.cpp
@ -6,7 +6,17 @@ add_library(solanaceae_clamav
target_include_directories(solanaceae_clamav PUBLIC .)
target_compile_features(solanaceae_clamav PUBLIC cxx_std_17)
target_link_libraries(solanaceae_clamav PUBLIC
libclamav
EXT_SOL::libclamav
#solanaceae_util
)
add_executable(solanaceae_clamav_test
./solanaceae/clamav/test_exe.cpp
)
target_include_directories(solanaceae_clamav_test PUBLIC .)
target_compile_features(solanaceae_clamav_test PUBLIC cxx_std_17)
target_link_libraries(solanaceae_clamav_test PUBLIC
EXT_SOL::libclamav
#solanaceae_util
)

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@ -0,0 +1,79 @@
#include <clamav.h>
#include <iostream>
int main(void) {
if (cl_init(CL_INIT_DEFAULT) != CL_SUCCESS) {
return 1;
}
auto* clamav_engine = cl_engine_new();
if (clamav_engine == nullptr) {
return 2;
}
std::string db_dir;
// TODO: load from config
unsigned int signo = 0;
if (db_dir.empty()) {
std::cout << "default db dir: " << cl_retdbdir() << "\n";
if (cl_load(cl_retdbdir(), clamav_engine, &signo, CL_DB_STDOPT) != CL_SUCCESS) {
std::cerr << "default db dir load failed, falling back to '/var/lib/clamav'\n";
if (cl_load("/var/lib/clamav", clamav_engine, &signo, CL_DB_STDOPT) != CL_SUCCESS) {
std::cerr << "db dir load failed, exiting\n";
return 3;
} else {
db_dir = "/var/lib/clamav";
}
} else {
db_dir = cl_retdbdir();
}
// if db_dir changed, save to config?
} else {
if (cl_load(db_dir.c_str(), clamav_engine, &signo, CL_DB_STDOPT) != CL_SUCCESS) {
std::cerr << "config db dir load failed, exiting (" << db_dir << ")\n";
return 3;
}
}
std::cout << "signatures loaded: " << signo << "\n";
if (cl_engine_compile(clamav_engine) != CL_SUCCESS) {
cl_engine_free(clamav_engine);
return 4;
}
// TODO: database update watcher
const char* filename = "~/Downloads/cubic-paper.pdf";
const char* virname = nullptr;
unsigned long int scanned = 0;
struct cl_scan_options scan_opts {
/*CL_SCAN_GENERAL_ALLMATCHES |*/ CL_SCAN_GENERAL_HEURISTICS | CL_SCAN_GENERAL_HEURISTIC_PRECEDENCE,
~0u,
~0u,
0u,
0u
};
if (auto ret = cl_scanfile(
filename,
&virname,
&scanned,
clamav_engine,
&scan_opts
); ret != CL_CLEAN && ret != CL_VIRUS) {
// error
} else if (ret == CL_VIRUS) {
std::cout << "file virus\n";
} else { // clean
std::cout << "file clean\n";
}
cl_engine_free(clamav_engine);
return 0;
}