Lines Matching full:scm

2 /* scm.c - Socket level control messages processing.
39 #include <net/scm.h>
135 void __scm_destroy(struct scm_cookie *scm)
137 	struct scm_fp_list *fpl = scm->fp;
141 		scm->fp = NULL;
150 static inline int scm_replace_pid(struct scm_cookie *scm, struct pid *pid)
155 	scm_destroy_cred(scm);
161 	scm->pid = pid;
162 	scm->creds.pid = pid_vnr(pid);
356 void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
361 	int fdmax = min_t(int, scm_max_fds(msg), scm->fp->count);
370 		scm_detach_fds_compat(msg, scm);
375 		err = scm_recv_one_fd(scm->fp->fp[i], cmsg_data + i, o_flags);
397 	if (i < scm->fp->count || (scm->fp->count && fdmax <= 0))
404 	__scm_destroy(scm);
435 static void scm_passec(struct sock *sk, struct msghdr *msg, struct scm_cookie *scm)
441 		err = security_secid_to_secctx(scm->secid, &ctx);
457 static void scm_passec(struct sock *sk, struct msghdr *msg, struct scm_cookie *scm)
467 static void scm_pidfd_recv(struct msghdr *msg, struct scm_cookie *scm)
485 	if (!scm->pid)
488 	pidfd = pidfd_prepare(scm->pid, PIDFD_STALE, &pidfd_file);
504 			      struct scm_cookie *scm, int flags)
508 		    scm->fp || scm_has_secdata(sk))
511 		scm_destroy(scm);
518 			.pid = scm->creds.pid,
519 			.uid = from_kuid_munged(current_ns, scm->creds.uid),
520 			.gid = from_kgid_munged(current_ns, scm->creds.gid),
526 	scm_passec(sk, msg, scm);
528 	if (scm->fp)
529 		scm_detach_fds(msg, scm);
535 	      struct scm_cookie *scm, int flags)
537 	if (!__scm_recv_common(sock->sk, msg, scm, flags))
540 	scm_destroy_cred(scm);
545 		   struct scm_cookie *scm, int flags)
547 	if (!__scm_recv_common(sock->sk, msg, scm, flags))
551 		scm_pidfd_recv(msg, scm);
553 	scm_destroy_cred(scm);