shaba/systemd
1
0
Fork 0
mirror of https://github.com/systemd/systemd.git synced 2024-10-28 11:55:44 +03:00
Code

sd-resolv: require SOCK_CLOEXEC

Browse Source
This commit is contained in:
Tom Gundersen 2014-01-14 13:50:35 +01:00
parent 12f404c4d1
commit 8a6233fb65
1 changed files with 7 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/libsystemd/sd-resolv.c
View File

@ -415,8 +415,8 @@ static void* thread_worker(void *p) {
} }
sd_resolv_t* sd_resolv_new(unsigned n_proc) { sd_resolv_t* sd_resolv_new(unsigned n_proc) {
int i;
sd_resolv_t *resolv = NULL; sd_resolv_t *resolv = NULL;
int i, r;
assert(n_proc >= 1); assert(n_proc >= 1);
@ -437,27 +437,15 @@ sd_resolv_t* sd_resolv_new(unsigned n_proc) {
memset(resolv->queries, 0, sizeof(resolv->queries)); memset(resolv->queries, 0, sizeof(resolv->queries));
#ifdef SOCK_CLOEXEC r = socketpair(PF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, resolv->fds);
if (socketpair(PF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, resolv->fds) < 0 || if (r < 0)
socketpair(PF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, resolv->fds+2) < 0) { goto fail;
/* Try again, without SOCK_CLOEXEC */ r = socketpair(PF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, resolv->fds+2);
if (errno == EINVAL) { if (r < 0)
#endif goto fail;
if (socketpair(PF_UNIX, SOCK_DGRAM, 0, resolv->fds) < 0 ||
socketpair(PF_UNIX, SOCK_DGRAM, 0, resolv->fds+2) < 0)
goto fail;
#ifdef SOCK_CLOEXEC
} else
goto fail;
}
#endif
for (i = 0; i < MESSAGE_FD_MAX; i++)
fd_cloexec(resolv->fds[i], true);
for (resolv->valid_workers = 0; resolv->valid_workers < n_proc; resolv->valid_workers++) { for (resolv->valid_workers = 0; resolv->valid_workers < n_proc; resolv->valid_workers++) {
int r;
r = pthread_create(&resolv->workers[resolv->valid_workers], NULL, thread_worker, resolv); r = pthread_create(&resolv->workers[resolv->valid_workers], NULL, thread_worker, resolv);
if (r) { if (r) {
errno = r; errno = r;