262 static void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)  in unix_get_secdata()  argument
264 	UNIXCB(skb).secid = scm->secid;  in unix_get_secdata()
267 static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)  in unix_set_secdata()  argument
269 	scm->secid = UNIXCB(skb).secid;  in unix_set_secdata()
272 static inline bool unix_secdata_eq(struct scm_cookie *scm, struct sk_buff *skb)  in unix_secdata_eq()  argument
274 	return (scm->secid == UNIXCB(skb).secid);  in unix_secdata_eq()
277 static inline void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)  in unix_get_secdata()  argument
280 static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)  in unix_set_secdata()  argument
283 static inline bool unix_secdata_eq(struct scm_cookie *scm, struct sk_buff *skb)  in unix_secdata_eq()  argument
1845 static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb)  in unix_attach_fds()  argument
1850 	UNIXCB(skb).fp = scm->fp;  in unix_attach_fds()
1851 	scm->fp = NULL;  in unix_attach_fds()
1859 static void unix_detach_fds(struct scm_cookie *scm, struct sk_buff *skb)  in unix_detach_fds()  argument
1861 	scm->fp = UNIXCB(skb).fp;  in unix_detach_fds()
1864 	unix_destroy_fpl(scm->fp);  in unix_detach_fds()
1867 static void unix_peek_fds(struct scm_cookie *scm, struct sk_buff *skb)  in unix_peek_fds()  argument
1869 	scm->fp = scm_fp_dup(UNIXCB(skb).fp);  in unix_peek_fds()
1874 	struct scm_cookie scm;  in unix_destruct_scm()  local
1876 	memset(&scm, 0, sizeof(scm));  in unix_destruct_scm()
1877 	scm.pid  = UNIXCB(skb).pid;  in unix_destruct_scm()
1879 		unix_detach_fds(&scm, skb);  in unix_destruct_scm()
1883 	scm_destroy(&scm);  in unix_destruct_scm()
1887 static int unix_scm_to_skb(struct scm_cookie *scm, struct sk_buff *skb, bool send_fds)  in unix_scm_to_skb()  argument
1891 	UNIXCB(skb).pid  = get_pid(scm->pid);  in unix_scm_to_skb()
1892 	UNIXCB(skb).uid = scm->creds.uid;  in unix_scm_to_skb()
1893 	UNIXCB(skb).gid = scm->creds.gid;  in unix_scm_to_skb()
1895 	unix_get_secdata(scm, skb);  in unix_scm_to_skb()
1896 	if (scm->fp && send_fds)  in unix_scm_to_skb()
1897 		err = unix_attach_fds(scm, skb);  in unix_scm_to_skb()
1930 			    struct scm_cookie *scm)  in unix_skb_scm_eq()  argument
1932 	return UNIXCB(skb).pid == scm->pid &&  in unix_skb_scm_eq()
1933 	       uid_eq(UNIXCB(skb).uid, scm->creds.uid) &&  in unix_skb_scm_eq()
1934 	       gid_eq(UNIXCB(skb).gid, scm->creds.gid) &&  in unix_skb_scm_eq()
1935 	       unix_secdata_eq(scm, skb);  in unix_skb_scm_eq()
1970 	struct scm_cookie scm;  in unix_dgram_sendmsg()  local
1977 	err = scm_send(sock, msg, &scm, false);  in unix_dgram_sendmsg()
1981 	wait_for_unix_gc(scm.fp);  in unix_dgram_sendmsg()
2033 	err = unix_scm_to_skb(&scm, skb, true);  in unix_dgram_sendmsg()
2169 	scm_destroy(&scm);  in unix_dgram_sendmsg()
2181 	scm_destroy(&scm);  in unix_dgram_sendmsg()
2192 		     struct scm_cookie *scm, bool fds_sent)  in queue_oob()  argument
2203 	err = unix_scm_to_skb(scm, skb, !fds_sent);  in queue_oob()
2249 	struct scm_cookie scm;  in unix_stream_sendmsg()  local
2253 	err = scm_send(sock, msg, &scm, false);  in unix_stream_sendmsg()
2257 	wait_for_unix_gc(scm.fp);  in unix_stream_sendmsg()
2308 		err = unix_scm_to_skb(&scm, skb, !fds_sent);  in unix_stream_sendmsg()
2351 		err = queue_oob(sock, msg, other, &scm, fds_sent);  in unix_stream_sendmsg()
2358 	scm_destroy(&scm);  in unix_stream_sendmsg()
2370 	scm_destroy(&scm);  in unix_stream_sendmsg()
2417 	struct scm_cookie scm;  in __unix_dgram_recvmsg()  local
2486 	memset(&scm, 0, sizeof(scm));  in __unix_dgram_recvmsg()
2488 	scm_set_cred(&scm, UNIXCB(skb).pid, UNIXCB(skb).uid, UNIXCB(skb).gid);  in __unix_dgram_recvmsg()
2489 	unix_set_secdata(&scm, skb);  in __unix_dgram_recvmsg()
2493 			unix_detach_fds(&scm, skb);  in __unix_dgram_recvmsg()
2513 			unix_peek_fds(&scm, skb);  in __unix_dgram_recvmsg()
2517 	scm_recv_unix(sock, msg, &scm, flags);  in __unix_dgram_recvmsg()
2756 	struct scm_cookie scm;  in unix_stream_read_generic()  local
2787 	memset(&scm, 0, sizeof(scm));  in unix_stream_read_generic()
2846 				scm_destroy(&scm);  in unix_stream_read_generic()
2870 			if (!unix_skb_scm_eq(skb, &scm))  in unix_stream_read_generic()
2875 			scm_set_cred(&scm, UNIXCB(skb).pid, UNIXCB(skb).uid, UNIXCB(skb).gid);  in unix_stream_read_generic()
2876 			unix_set_secdata(&scm, skb);  in unix_stream_read_generic()
2911 				unix_detach_fds(&scm, skb);  in unix_stream_read_generic()
2920 			if (scm.fp)  in unix_stream_read_generic()
2926 				unix_peek_fds(&scm, skb);  in unix_stream_read_generic()
2947 		scm_recv_unix(sock, state->msg, &scm, flags);  in unix_stream_read_generic()
2949 		scm_destroy(&scm);  in unix_stream_read_generic()