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fix and clean UID/GID modification

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GRAUX Pierre
2025-06-09 16:33:16 +02:00
parent c8d1b66af3
commit 00e5449ad6
3 changed files with 31 additions and 4 deletions
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15
utils/afl_network_proxy/afl-network-server.c
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@ -179,7 +179,17 @@ static void set_up_environment(afl_forkserver_t *fsrv) {
unlink(out_file);
fsrv->out_fd = open(out_file, O_RDWR | O_CREAT | O_EXCL, 0600);
fsrv->out_fd = open(out_file, O_RDWR | O_CREAT | O_EXCL, fsrv->perm);
if (fsrv->chown_needed) {
if (fchown(fsrv->out_fd, -1, fsrv->gid) == -1) {
PFATAL("fchown() failed");
}
}
if (fsrv->out_fd < 0) { PFATAL("Unable to create '%s'", out_file); }
@ -526,7 +536,8 @@ int main(int argc, char **argv_orig, char **envp) {
check_environment_vars(envp);
sharedmem_t shm = {0};
fsrv->trace_bits = afl_shm_init(&shm, map_size, 0);
fsrv->trace_bits = afl_shm_init(&shm, map_size, 0, fsrv->perm,
fsrv->chown_needed ? fsrv->gid : -1);
in_data = afl_realloc((void **)&in_data, 65536);
if (unlikely(!in_data)) { PFATAL("Alloc"); }