141 static void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)  in unix_get_secdata()  argument
143 	memcpy(UNIXSID(skb), &scm->secid, sizeof(u32));  in unix_get_secdata()
146 static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)  in unix_set_secdata()  argument
148 	scm->secid = *UNIXSID(skb);  in unix_set_secdata()
151 static inline void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)  in unix_get_secdata()  argument
154 static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)  in unix_set_secdata()  argument
1459 static void unix_detach_fds(struct scm_cookie *scm, struct sk_buff *skb)  in unix_detach_fds()  argument
1463 	scm->fp = UNIXCB(skb).fp;  in unix_detach_fds()
1466 	for (i = scm->fp->count-1; i >= 0; i--)  in unix_detach_fds()
1467 		unix_notinflight(scm->fp->user, scm->fp->fp[i]);  in unix_detach_fds()
1472 	struct scm_cookie scm;  in unix_destruct_scm()  local
1473 	memset(&scm, 0, sizeof(scm));  in unix_destruct_scm()
1474 	scm.pid  = UNIXCB(skb).pid;  in unix_destruct_scm()
1476 		unix_detach_fds(&scm, skb);  in unix_destruct_scm()
1480 	scm_destroy(&scm);  in unix_destruct_scm()
1501 static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb)  in unix_attach_fds()  argument
1510 	for (i = scm->fp->count - 1; i >= 0; i--) {  in unix_attach_fds()
1511 		struct sock *sk = unix_get_socket(scm->fp->fp[i]);  in unix_attach_fds()
1527 	UNIXCB(skb).fp = scm_fp_dup(scm->fp);  in unix_attach_fds()
1531 	for (i = scm->fp->count - 1; i >= 0; i--)  in unix_attach_fds()
1532 		unix_inflight(scm->fp->user, scm->fp->fp[i]);  in unix_attach_fds()
1536 static int unix_scm_to_skb(struct scm_cookie *scm, struct sk_buff *skb, bool send_fds)  in unix_scm_to_skb()  argument
1540 	UNIXCB(skb).pid  = get_pid(scm->pid);  in unix_scm_to_skb()
1541 	UNIXCB(skb).uid = scm->creds.uid;  in unix_scm_to_skb()
1542 	UNIXCB(skb).gid = scm->creds.gid;  in unix_scm_to_skb()
1544 	if (scm->fp && send_fds)  in unix_scm_to_skb()
1545 		err = unix_attach_fds(scm, skb);  in unix_scm_to_skb()
1586 	struct scm_cookie scm;  in unix_dgram_sendmsg()  local
1592 	err = scm_send(sock, msg, &scm, false);  in unix_dgram_sendmsg()
1636 	err = unix_scm_to_skb(&scm, skb, true);  in unix_dgram_sendmsg()
1640 	unix_get_secdata(&scm, skb);  in unix_dgram_sendmsg()
1763 	scm_destroy(&scm);  in unix_dgram_sendmsg()
1775 	scm_destroy(&scm);  in unix_dgram_sendmsg()
1792 	struct scm_cookie scm;  in unix_stream_sendmsg()  local
1798 	err = scm_send(sock, msg, &scm, false);  in unix_stream_sendmsg()
1839 		err = unix_scm_to_skb(&scm, skb, !fds_sent);  in unix_stream_sendmsg()
1871 	scm_destroy(&scm);  in unix_stream_sendmsg()
1883 	scm_destroy(&scm);  in unix_stream_sendmsg()
1930 	struct scm_cookie scm;  in unix_dgram_recvmsg()  local
1982 	memset(&scm, 0, sizeof(scm));  in unix_dgram_recvmsg()
1984 	scm_set_cred(&scm, UNIXCB(skb).pid, UNIXCB(skb).uid, UNIXCB(skb).gid);  in unix_dgram_recvmsg()
1985 	unix_set_secdata(&scm, skb);  in unix_dgram_recvmsg()
1989 			unix_detach_fds(&scm, skb);  in unix_dgram_recvmsg()
2009 			scm.fp = scm_fp_dup(UNIXCB(skb).fp);  in unix_dgram_recvmsg()
2013 	scm_recv(sock, msg, &scm, flags);  in unix_dgram_recvmsg()
2067 	struct scm_cookie scm;  in unix_stream_recvmsg()  local
2094 	memset(&scm, 0, sizeof(scm));  in unix_stream_recvmsg()
2139 				scm_destroy(&scm);  in unix_stream_recvmsg()
2162 			if ((UNIXCB(skb).pid  != scm.pid) ||  in unix_stream_recvmsg()
2163 			    !uid_eq(UNIXCB(skb).uid, scm.creds.uid) ||  in unix_stream_recvmsg()
2164 			    !gid_eq(UNIXCB(skb).gid, scm.creds.gid))  in unix_stream_recvmsg()
2168 			scm_set_cred(&scm, UNIXCB(skb).pid, UNIXCB(skb).uid, UNIXCB(skb).gid);  in unix_stream_recvmsg()
2195 				unix_detach_fds(&scm, skb);  in unix_stream_recvmsg()
2203 			if (scm.fp)  in unix_stream_recvmsg()
2209 				scm.fp = scm_fp_dup(UNIXCB(skb).fp);  in unix_stream_recvmsg()
2228 	scm_recv(sock, msg, &scm, flags);  in unix_stream_recvmsg()