Lines Matching refs:scm
188 static void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb) in unix_get_secdata() argument
190 UNIXCB(skb).secid = scm->secid; in unix_get_secdata()
193 static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb) in unix_set_secdata() argument
195 scm->secid = UNIXCB(skb).secid; in unix_set_secdata()
198 static inline bool unix_secdata_eq(struct scm_cookie *scm, struct sk_buff *skb) in unix_secdata_eq() argument
200 return (scm->secid == UNIXCB(skb).secid); in unix_secdata_eq()
203 static inline void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb) in unix_get_secdata() argument
206 static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb) in unix_set_secdata() argument
209 static inline bool unix_secdata_eq(struct scm_cookie *scm, struct sk_buff *skb) in unix_secdata_eq() argument
1755 static void unix_peek_fds(struct scm_cookie *scm, struct sk_buff *skb) in unix_peek_fds() argument
1757 scm->fp = scm_fp_dup(UNIXCB(skb).fp); in unix_peek_fds()
1802 static int unix_scm_to_skb(struct scm_cookie *scm, struct sk_buff *skb, bool send_fds) in unix_scm_to_skb() argument
1806 UNIXCB(skb).pid = get_pid(scm->pid); in unix_scm_to_skb()
1807 UNIXCB(skb).uid = scm->creds.uid; in unix_scm_to_skb()
1808 UNIXCB(skb).gid = scm->creds.gid; in unix_scm_to_skb()
1810 unix_get_secdata(scm, skb); in unix_scm_to_skb()
1811 if (scm->fp && send_fds) in unix_scm_to_skb()
1812 err = unix_attach_fds(scm, skb); in unix_scm_to_skb()
1842 static int maybe_init_creds(struct scm_cookie *scm, in maybe_init_creds() argument
1849 err = scm_send(socket, &msg, scm, false); in maybe_init_creds()
1854 scm->pid = get_pid(task_tgid(current)); in maybe_init_creds()
1855 current_uid_gid(&scm->creds.uid, &scm->creds.gid); in maybe_init_creds()
1861 struct scm_cookie *scm) in unix_skb_scm_eq() argument
1863 return UNIXCB(skb).pid == scm->pid && in unix_skb_scm_eq()
1864 uid_eq(UNIXCB(skb).uid, scm->creds.uid) && in unix_skb_scm_eq()
1865 gid_eq(UNIXCB(skb).gid, scm->creds.gid) && in unix_skb_scm_eq()
1866 unix_secdata_eq(scm, skb); in unix_skb_scm_eq()
1897 struct scm_cookie scm; in unix_dgram_sendmsg() local
1905 err = scm_send(sock, msg, &scm, false); in unix_dgram_sendmsg()
1950 err = unix_scm_to_skb(&scm, skb, true); in unix_dgram_sendmsg()
2086 scm_destroy(&scm); in unix_dgram_sendmsg()
2098 scm_destroy(&scm); in unix_dgram_sendmsg()
2109 struct scm_cookie *scm, bool fds_sent) in queue_oob() argument
2120 err = unix_scm_to_skb(scm, skb, !fds_sent); in queue_oob()
2168 struct scm_cookie scm; in unix_stream_sendmsg() local
2173 err = scm_send(sock, msg, &scm, false); in unix_stream_sendmsg()
2220 err = unix_scm_to_skb(&scm, skb, !fds_sent); in unix_stream_sendmsg()
2252 err = queue_oob(sock, msg, other, &scm, fds_sent); in unix_stream_sendmsg()
2259 scm_destroy(&scm); in unix_stream_sendmsg()
2271 scm_destroy(&scm); in unix_stream_sendmsg()
2281 struct scm_cookie scm; in unix_stream_sendpage() local
2327 err = maybe_init_creds(&scm, socket, other); in unix_stream_sendpage()
2336 } else if (!skb || !unix_skb_scm_eq(skb, &scm)) { in unix_stream_sendpage()
2363 err = unix_scm_to_skb(&scm, skb, false); in unix_stream_sendpage()
2375 scm_destroy(&scm); in unix_stream_sendpage()
2387 scm_destroy(&scm); in unix_stream_sendpage()
2434 struct scm_cookie scm; in __unix_dgram_recvmsg() local
2498 memset(&scm, 0, sizeof(scm)); in __unix_dgram_recvmsg()
2500 scm_set_cred(&scm, UNIXCB(skb).pid, UNIXCB(skb).uid, UNIXCB(skb).gid); in __unix_dgram_recvmsg()
2501 unix_set_secdata(&scm, skb); in __unix_dgram_recvmsg()
2505 unix_detach_fds(&scm, skb); in __unix_dgram_recvmsg()
2525 unix_peek_fds(&scm, skb); in __unix_dgram_recvmsg()
2529 scm_recv(sock, msg, &scm, flags); in __unix_dgram_recvmsg()
2708 struct scm_cookie scm; in unix_stream_read_generic() local
2739 memset(&scm, 0, sizeof(scm)); in unix_stream_read_generic()
2801 scm_destroy(&scm); in unix_stream_read_generic()
2825 if (!unix_skb_scm_eq(skb, &scm)) in unix_stream_read_generic()
2829 scm_set_cred(&scm, UNIXCB(skb).pid, UNIXCB(skb).uid, UNIXCB(skb).gid); in unix_stream_read_generic()
2830 unix_set_secdata(&scm, skb); in unix_stream_read_generic()
2876 unix_detach_fds(&scm, skb); in unix_stream_read_generic()
2885 if (scm.fp) in unix_stream_read_generic()
2891 unix_peek_fds(&scm, skb); in unix_stream_read_generic()
2912 scm_recv(sock, state->msg, &scm, flags); in unix_stream_read_generic()
2914 scm_destroy(&scm); in unix_stream_read_generic()