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Added nDPId decryption example

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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
This commit is contained in:
Toni Uhlig
2024-11-27 11:51:53 +01:00
parent 02b686241e
commit fea52d98ca
2 changed files with 84 additions and 1 deletions
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11
CMakeLists.txt
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@@ -15,7 +15,8 @@ if("${PROJECT_SOURCE_DIR}" STREQUAL "${PROJECT_BINARY_DIR}")
"Please remove ${PROJECT_SOURCE_DIR}/CMakeCache.txt\n"
"and\n"
"${PROJECT_SOURCE_DIR}/CMakeFiles\n"
"Create a build directory somewhere and run CMake again.")
"Create a build directory somewhere and run CMake again.\n"
"Or run: 'cmake -S ${PROJECT_SOURCE_DIR} -B ./your-custom-build-dir [CMAKE-OPTIONS]'")
endif()
set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
find_package(PkgConfig REQUIRED)
@@ -562,6 +563,14 @@ if(BUILD_EXAMPLES)
install(TARGETS nDPIsrvd-influxd DESTINATION bin)
endif()
if(ENABLE_CRYPTO)
add_executable(nDPId-decrypt examples/c-decrypt/c-decrypt.c utils.c ncrypt.c)
target_compile_definitions(nDPId-decrypt PRIVATE ${NDPID_DEFS} ${OSSL_DEFS})
target_include_directories(nDPId-decrypt PRIVATE ${NDPID_DEPS_INC})
target_link_libraries(nDPId-decrypt ${OSSL_LIBRARY})
install(TARGETS nDPId-decrypt DESTINATION bin)
endif()
install(TARGETS nDPIsrvd-analysed nDPIsrvd-collectd nDPIsrvd-captured nDPIsrvd-simple DESTINATION bin)
install(FILES examples/c-collectd/plugin_nDPIsrvd.conf examples/c-collectd/rrdgraph.sh DESTINATION share/nDPId/nDPIsrvd-collectd)
install(DIRECTORY examples/c-collectd/www DESTINATION share/nDPId/nDPIsrvd-collectd)

74
examples/c-decrypt/c-decrypt.c Normal file
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@@ -0,0 +1,74 @@
#include <stdio.h>
#include <unistd.h>
#include "utils.h"
static void print_usage(char const * const arg0)
{
static char const usage[] =
"Usage: %s "
"[-L listen-address] [-k private-key-file] [-K public-key-file]\n"
"\t \t"
"[-h]\n\n"
"\t-L\tThe address on which this example will listen for incoming\n"
"\t \t(encrypted) UDP packets sent by nDPId\n"
"\t-k\tThe path to the local private X25519 key file (PEM format)\n"
"\t-K\tThe path to the remote public X25519 key file (PEM format)\n"
"\t-h\tthis\n";
fprintf(stderr, usage, arg0);
}
static int parse_options(int argc, char ** argv)
{
int opt;
while ((opt = getopt(argc, argv, "hk:K:s:")) != -1)
{
switch (opt)
{
case 'h':
print_usage(argv[0]);
return 1;
case 'k':
break;
case 'K':
break;
case 's':
break;
default:
print_usage(argv[0]);
return 1;
}
}
if (optind < argc)
{
if (optind > 0) {
logger_early(1, "Unexpected argument(s) after %s\n\n", argv[optind]);
} else {
logger_early(1, "%s\n\n", "Unexpected argument(s)");
}
print_usage(argv[0]);
return 1;
}
return 0;
}
int main(int argc, char ** argv)
{
if (argc == 0 || argv == NULL || stdout == NULL || stderr == NULL)
{
return 1;
}
init_logging("nDPId-decrypt");
if (parse_options(argc, argv) != 0)
{
}
return 0;
}