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#include <stdio.h>
#include <errno.h>
#include <dlfcn.h>
#include <stdlib.h>
int main(int argc, char **argv) {
if (!getenv("TEST_DLOPEN_TARGET")) {
fprintf(stderr, "Error: TEST_DLOPEN_TARGET not set!\n");
return 1;
}
void *lib = dlopen(getenv("TEST_DLOPEN_TARGET"), RTLD_LAZY);
if (!lib) {
perror(dlerror());
return 2;
}
int (*func)(int, char **) = dlsym(lib, "main_exported");
if (!func) {
fprintf(stderr, "Error: main_exported not found!\n");
return 3;
}
// must use deferred forkserver as otherwise afl++ instrumentation aborts
// because all dlopen() of instrumented libs must be before the forkserver
__AFL_INIT();
fprintf(stderr, "Running main_exported\n");
return func(argc, argv);
}
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