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set CLOEXEC flag for sockfd to avoid race condition in execve

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Felix Kratz 2021-12-28 15:48:26 +01:00
parent f3d58959b8
commit c1a50b1bfc
1 changed files with 1 additions and 1 deletions
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2
src/misc/socket.c
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@ -83,7 +83,7 @@ bool socket_daemon_begin_un(struct daemon *daemon, char *socket_path, socket_dae
snprintf(socket_address.sun_path, sizeof(socket_address.sun_path), "%s", socket_path);
unlink(socket_path);
if ((daemon->sockfd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
if (((daemon->sockfd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) || fcntl(daemon->sockfd, F_SETFD, FD_CLOEXEC | fcntl(daemon->sockfd, F_GETFD))) {
return false;
}