Lines Matching full:server
73 /* Drop the connection to not overload the server */
283 static int ip_connect(struct TCP_Server_Info *server);
284 static int generic_ip_connect(struct TCP_Server_Info *server);
293 * This should be called with server->srv_mutex held.
296 static int reconn_set_ipaddr(struct TCP_Server_Info *server) in reconn_set_ipaddr() argument
302 if (!server->hostname) in reconn_set_ipaddr()
305 len = strlen(server->hostname) + 3; in reconn_set_ipaddr()
312 scnprintf(unc, len, "\\\\%s", server->hostname); in reconn_set_ipaddr()
318 cifs_dbg(FYI, "%s: failed to resolve server part of %s to IP: %d\n", in reconn_set_ipaddr()
319 __func__, server->hostname, rc); in reconn_set_ipaddr()
324 rc = cifs_convert_address((struct sockaddr *)&server->dstaddr, ipaddr, in reconn_set_ipaddr()
332 static inline int reconn_set_ipaddr(struct TCP_Server_Info *server) in reconn_set_ipaddr() argument
339 /* These functions must be called with server->srv_mutex held */
340 static void reconn_set_next_dfs_target(struct TCP_Server_Info *server, in reconn_set_next_dfs_target() argument
362 kfree(server->hostname); in reconn_set_next_dfs_target()
364 server->hostname = extract_hostname(name); in reconn_set_next_dfs_target()
365 if (IS_ERR(server->hostname)) { in reconn_set_next_dfs_target()
368 __func__, PTR_ERR(server->hostname)); in reconn_set_next_dfs_target()
390 cifs_reconnect(struct TCP_Server_Info *server) in cifs_reconnect() argument
406 server->nr_targets = 1; in cifs_reconnect()
409 sb = cifs_get_tcp_super(server); in cifs_reconnect()
425 server->nr_targets = dfs_cache_get_nr_tgts(&tgt_list); in cifs_reconnect()
429 server->nr_targets); in cifs_reconnect()
432 if (server->tcpStatus == CifsExiting) { in cifs_reconnect()
440 wake_up(&server->response_q); in cifs_reconnect()
443 server->tcpStatus = CifsNeedReconnect; in cifs_reconnect()
445 server->maxBuf = 0; in cifs_reconnect()
446 server->max_read = 0; in cifs_reconnect()
449 trace_smb3_reconnect(server->CurrentMid, server->hostname); in cifs_reconnect()
456 list_for_each(tmp, &server->smb_ses_list) { in cifs_reconnect()
470 mutex_lock(&server->srv_mutex); in cifs_reconnect()
471 if (server->ssocket) { in cifs_reconnect()
473 server->ssocket->state, server->ssocket->flags); in cifs_reconnect()
474 kernel_sock_shutdown(server->ssocket, SHUT_WR); in cifs_reconnect()
476 server->ssocket->state, server->ssocket->flags); in cifs_reconnect()
477 sock_release(server->ssocket); in cifs_reconnect()
478 server->ssocket = NULL; in cifs_reconnect()
480 server->sequence_number = 0; in cifs_reconnect()
481 server->session_estab = false; in cifs_reconnect()
482 kfree(server->session_key.response); in cifs_reconnect()
483 server->session_key.response = NULL; in cifs_reconnect()
484 server->session_key.len = 0; in cifs_reconnect()
485 server->lstrp = jiffies; in cifs_reconnect()
491 list_for_each_safe(tmp, tmp2, &server->pending_mid_q) { in cifs_reconnect()
500 mutex_unlock(&server->srv_mutex); in cifs_reconnect()
510 if (cifs_rdma_enabled(server)) { in cifs_reconnect()
511 mutex_lock(&server->srv_mutex); in cifs_reconnect()
512 smbd_destroy(server); in cifs_reconnect()
513 mutex_unlock(&server->srv_mutex); in cifs_reconnect()
519 mutex_lock(&server->srv_mutex); in cifs_reconnect()
522 * Set up next DFS target server (if any) for reconnect. If DFS in cifs_reconnect()
523 * feature is disabled, then we will retry last server we in cifs_reconnect()
526 reconn_set_next_dfs_target(server, cifs_sb, &tgt_list, &tgt_it); in cifs_reconnect()
528 rc = reconn_set_ipaddr(server); in cifs_reconnect()
534 if (cifs_rdma_enabled(server)) in cifs_reconnect()
535 rc = smbd_reconnect(server); in cifs_reconnect()
537 rc = generic_ip_connect(server); in cifs_reconnect()
540 mutex_unlock(&server->srv_mutex); in cifs_reconnect()
544 set_credits(server, 1); in cifs_reconnect()
546 if (server->tcpStatus != CifsExiting) in cifs_reconnect()
547 server->tcpStatus = CifsNeedNegotiate; in cifs_reconnect()
549 mutex_unlock(&server->srv_mutex); in cifs_reconnect()
551 } while (server->tcpStatus == CifsNeedReconnect); in cifs_reconnect()
561 rc = dfs_cache_update_vol(cifs_sb->origin_fullpath, server); in cifs_reconnect()
572 if (server->tcpStatus == CifsNeedNegotiate) in cifs_reconnect()
573 mod_delayed_work(cifsiod_wq, &server->echo, 0); in cifs_reconnect()
575 wake_up(&server->response_q); in cifs_reconnect()
583 struct TCP_Server_Info *server = container_of(work, in cifs_echo_request() local
591 if (server->tcpStatus == CifsNeedNegotiate) in cifs_echo_request()
594 echo_interval = server->echo_interval; in cifs_echo_request()
601 if (server->tcpStatus == CifsNeedReconnect || in cifs_echo_request()
602 server->tcpStatus == CifsExiting || in cifs_echo_request()
603 server->tcpStatus == CifsNew || in cifs_echo_request()
604 (server->ops->can_echo && !server->ops->can_echo(server)) || in cifs_echo_request()
605 time_before(jiffies, server->lstrp + echo_interval - HZ)) in cifs_echo_request()
608 rc = server->ops->echo ? server->ops->echo(server) : -ENOSYS; in cifs_echo_request()
610 cifs_dbg(FYI, "Unable to send echo request to server: %s\n", in cifs_echo_request()
611 server->hostname); in cifs_echo_request()
614 queue_delayed_work(cifsiod_wq, &server->echo, server->echo_interval); in cifs_echo_request()
618 allocate_buffers(struct TCP_Server_Info *server) in allocate_buffers() argument
620 if (!server->bigbuf) { in allocate_buffers()
621 server->bigbuf = (char *)cifs_buf_get(); in allocate_buffers()
622 if (!server->bigbuf) { in allocate_buffers()
628 } else if (server->large_buf) { in allocate_buffers()
630 memset(server->bigbuf, 0, HEADER_SIZE(server)); in allocate_buffers()
633 if (!server->smallbuf) { in allocate_buffers()
634 server->smallbuf = (char *)cifs_small_buf_get(); in allocate_buffers()
635 if (!server->smallbuf) { in allocate_buffers()
644 memset(server->smallbuf, 0, HEADER_SIZE(server)); in allocate_buffers()
651 server_unresponsive(struct TCP_Server_Info *server) in server_unresponsive() argument
664 if ((server->tcpStatus == CifsGood || in server_unresponsive()
665 server->tcpStatus == CifsNeedNegotiate) && in server_unresponsive()
666 (!server->ops->can_echo || server->ops->can_echo(server)) && in server_unresponsive()
667 time_after(jiffies, server->lstrp + 3 * server->echo_interval)) { in server_unresponsive()
669 (3 * server->echo_interval) / HZ); in server_unresponsive()
670 cifs_reconnect(server); in server_unresponsive()
678 zero_credits(struct TCP_Server_Info *server) in zero_credits() argument
682 spin_lock(&server->req_lock); in zero_credits()
683 val = server->credits + server->echo_credits + server->oplock_credits; in zero_credits()
684 if (server->in_flight == 0 && val == 0) { in zero_credits()
685 spin_unlock(&server->req_lock); in zero_credits()
688 spin_unlock(&server->req_lock); in zero_credits()
693 cifs_readv_from_socket(struct TCP_Server_Info *server, struct msghdr *smb_msg) in cifs_readv_from_socket() argument
702 if (zero_credits(server)) { in cifs_readv_from_socket()
703 cifs_reconnect(server); in cifs_readv_from_socket()
707 if (server_unresponsive(server)) in cifs_readv_from_socket()
709 if (cifs_rdma_enabled(server) && server->smbd_conn) in cifs_readv_from_socket()
710 length = smbd_recv(server->smbd_conn, smb_msg); in cifs_readv_from_socket()
712 length = sock_recvmsg(server->ssocket, smb_msg, 0); in cifs_readv_from_socket()
714 if (server->tcpStatus == CifsExiting) in cifs_readv_from_socket()
717 if (server->tcpStatus == CifsNeedReconnect) { in cifs_readv_from_socket()
718 cifs_reconnect(server); in cifs_readv_from_socket()
728 * CifsNeedReconnect if server hung. in cifs_readv_from_socket()
737 cifs_reconnect(server); in cifs_readv_from_socket()
745 cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, in cifs_read_from_socket() argument
752 return cifs_readv_from_socket(server, &smb_msg); in cifs_read_from_socket()
756 cifs_discard_from_socket(struct TCP_Server_Info *server, size_t to_read) in cifs_discard_from_socket() argument
767 return cifs_readv_from_socket(server, &smb_msg); in cifs_discard_from_socket()
771 cifs_read_page_from_socket(struct TCP_Server_Info *server, struct page *page, in cifs_read_page_from_socket() argument
778 return cifs_readv_from_socket(server, &smb_msg); in cifs_read_page_from_socket()
782 is_smb_response(struct TCP_Server_Info *server, unsigned char type) in is_smb_response() argument
805 /* give server a second to clean up */ in is_smb_response()
813 cifs_set_port((struct sockaddr *)&server->dstaddr, CIFS_PORT); in is_smb_response()
814 cifs_reconnect(server); in is_smb_response()
818 cifs_reconnect(server); in is_smb_response()
849 smb2_get_credits_from_hdr(char *buffer, struct TCP_Server_Info *server) in smb2_get_credits_from_hdr() argument
856 if (server->vals->header_preamble_size) in smb2_get_credits_from_hdr()
863 handle_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server, in handle_mid() argument
866 if (server->ops->check_trans2 && in handle_mid()
867 server->ops->check_trans2(mid, server, buf, malformed)) in handle_mid()
869 mid->credits_received = smb2_get_credits_from_hdr(buf, server); in handle_mid()
871 mid->large_buf = server->large_buf; in handle_mid()
875 if (server->large_buf) in handle_mid()
876 server->bigbuf = NULL; in handle_mid()
878 server->smallbuf = NULL; in handle_mid()
883 static void clean_demultiplex_info(struct TCP_Server_Info *server) in clean_demultiplex_info() argument
889 list_del_init(&server->tcp_ses_list); in clean_demultiplex_info()
892 cancel_delayed_work_sync(&server->echo); in clean_demultiplex_info()
895 server->tcpStatus = CifsExiting; in clean_demultiplex_info()
897 wake_up_all(&server->response_q); in clean_demultiplex_info()
900 spin_lock(&server->req_lock); in clean_demultiplex_info()
901 if (server->credits <= 0) in clean_demultiplex_info()
902 server->credits = 1; in clean_demultiplex_info()
903 spin_unlock(&server->req_lock); in clean_demultiplex_info()
908 * same server - they now will see the session is in exit state and get in clean_demultiplex_info()
911 wake_up_all(&server->request_q); in clean_demultiplex_info()
914 if (cifs_rdma_enabled(server)) in clean_demultiplex_info()
915 smbd_destroy(server); in clean_demultiplex_info()
916 if (server->ssocket) { in clean_demultiplex_info()
917 sock_release(server->ssocket); in clean_demultiplex_info()
918 server->ssocket = NULL; in clean_demultiplex_info()
921 if (!list_empty(&server->pending_mid_q)) { in clean_demultiplex_info()
928 list_for_each_safe(tmp, tmp2, &server->pending_mid_q) { in clean_demultiplex_info()
950 if (!list_empty(&server->pending_mid_q)) { in clean_demultiplex_info()
967 kfree(server->hostname); in clean_demultiplex_info()
968 kfree(server); in clean_demultiplex_info()
976 standard_receive3(struct TCP_Server_Info *server, struct mid_q_entry *mid) in standard_receive3() argument
979 char *buf = server->smallbuf; in standard_receive3()
980 unsigned int pdu_length = server->pdu_size; in standard_receive3()
983 if (pdu_length > CIFSMaxBufSize + MAX_HEADER_SIZE(server) - in standard_receive3()
984 server->vals->header_preamble_size) { in standard_receive3()
986 cifs_reconnect(server); in standard_receive3()
992 server->large_buf = true; in standard_receive3()
993 memcpy(server->bigbuf, buf, server->total_read); in standard_receive3()
994 buf = server->bigbuf; in standard_receive3()
998 length = cifs_read_from_socket(server, buf + HEADER_SIZE(server) - 1, in standard_receive3()
999 pdu_length - HEADER_SIZE(server) + 1 in standard_receive3()
1000 + server->vals->header_preamble_size); in standard_receive3()
1004 server->total_read += length; in standard_receive3()
1006 dump_smb(buf, server->total_read); in standard_receive3()
1008 return cifs_handle_standard(server, mid); in standard_receive3()
1012 cifs_handle_standard(struct TCP_Server_Info *server, struct mid_q_entry *mid) in cifs_handle_standard() argument
1014 char *buf = server->large_buf ? server->bigbuf : server->smallbuf; in cifs_handle_standard()
1026 length = server->ops->check_message(buf, server->total_read, server); in cifs_handle_standard()
1029 min_t(unsigned int, server->total_read, 48)); in cifs_handle_standard()
1031 if (server->ops->is_session_expired && in cifs_handle_standard()
1032 server->ops->is_session_expired(buf)) { in cifs_handle_standard()
1033 cifs_reconnect(server); in cifs_handle_standard()
1037 if (server->ops->is_status_pending && in cifs_handle_standard()
1038 server->ops->is_status_pending(buf, server)) in cifs_handle_standard()
1044 handle_mid(mid, server, buf, length); in cifs_handle_standard()
1049 smb2_add_credits_from_hdr(char *buffer, struct TCP_Server_Info *server) in smb2_add_credits_from_hdr() argument
1056 if (server->vals->header_preamble_size) in smb2_add_credits_from_hdr()
1060 spin_lock(&server->req_lock); in smb2_add_credits_from_hdr()
1061 server->credits += le16_to_cpu(shdr->CreditRequest); in smb2_add_credits_from_hdr()
1062 spin_unlock(&server->req_lock); in smb2_add_credits_from_hdr()
1063 wake_up(&server->request_q); in smb2_add_credits_from_hdr()
1072 struct TCP_Server_Info *server = p; in cifs_demultiplex_thread() local
1090 while (server->tcpStatus != CifsExiting) { in cifs_demultiplex_thread()
1094 if (!allocate_buffers(server)) in cifs_demultiplex_thread()
1097 server->large_buf = false; in cifs_demultiplex_thread()
1098 buf = server->smallbuf; in cifs_demultiplex_thread()
1101 length = cifs_read_from_socket(server, buf, pdu_length); in cifs_demultiplex_thread()
1105 if (server->vals->header_preamble_size == 0) in cifs_demultiplex_thread()
1106 server->total_read = 0; in cifs_demultiplex_thread()
1108 server->total_read = length; in cifs_demultiplex_thread()
1117 if (!is_smb_response(server, buf[0])) in cifs_demultiplex_thread()
1120 server->pdu_size = pdu_length; in cifs_demultiplex_thread()
1123 if (server->pdu_size < HEADER_SIZE(server) - 1 - in cifs_demultiplex_thread()
1124 server->vals->header_preamble_size) { in cifs_demultiplex_thread()
1126 server->pdu_size); in cifs_demultiplex_thread()
1127 cifs_reconnect(server); in cifs_demultiplex_thread()
1132 length = cifs_read_from_socket(server, in cifs_demultiplex_thread()
1133 buf + server->vals->header_preamble_size, in cifs_demultiplex_thread()
1134 HEADER_SIZE(server) - 1 in cifs_demultiplex_thread()
1135 - server->vals->header_preamble_size); in cifs_demultiplex_thread()
1138 server->total_read += length; in cifs_demultiplex_thread()
1140 if (server->ops->next_header) { in cifs_demultiplex_thread()
1141 next_offset = server->ops->next_header(buf); in cifs_demultiplex_thread()
1143 server->pdu_size = next_offset; in cifs_demultiplex_thread()
1150 if (server->ops->is_transform_hdr && in cifs_demultiplex_thread()
1151 server->ops->receive_transform && in cifs_demultiplex_thread()
1152 server->ops->is_transform_hdr(buf)) { in cifs_demultiplex_thread()
1153 length = server->ops->receive_transform(server, in cifs_demultiplex_thread()
1158 mids[0] = server->ops->find_mid(server, buf); in cifs_demultiplex_thread()
1163 length = standard_receive3(server, mids[0]); in cifs_demultiplex_thread()
1165 length = mids[0]->receive(server, mids[0]); in cifs_demultiplex_thread()
1175 if (server->ops->is_status_io_timeout && in cifs_demultiplex_thread()
1176 server->ops->is_status_io_timeout(buf)) { in cifs_demultiplex_thread()
1179 cifs_reconnect(server); in cifs_demultiplex_thread()
1185 server->lstrp = jiffies; in cifs_demultiplex_thread()
1189 mids[i]->resp_buf_size = server->pdu_size; in cifs_demultiplex_thread()
1195 } else if (server->ops->is_oplock_break && in cifs_demultiplex_thread()
1196 server->ops->is_oplock_break(bufs[i], in cifs_demultiplex_thread()
1197 server)) { in cifs_demultiplex_thread()
1198 smb2_add_credits_from_hdr(bufs[i], server); in cifs_demultiplex_thread()
1204 HEADER_SIZE(server)); in cifs_demultiplex_thread()
1205 smb2_add_credits_from_hdr(bufs[i], server); in cifs_demultiplex_thread()
1207 if (server->ops->dump_detail) in cifs_demultiplex_thread()
1208 server->ops->dump_detail(bufs[i], in cifs_demultiplex_thread()
1209 server); in cifs_demultiplex_thread()
1210 cifs_dump_mids(server); in cifs_demultiplex_thread()
1215 if (pdu_length > server->pdu_size) { in cifs_demultiplex_thread()
1216 if (!allocate_buffers(server)) in cifs_demultiplex_thread()
1218 pdu_length -= server->pdu_size; in cifs_demultiplex_thread()
1219 server->total_read = 0; in cifs_demultiplex_thread()
1220 server->large_buf = false; in cifs_demultiplex_thread()
1221 buf = server->smallbuf; in cifs_demultiplex_thread()
1227 cifs_buf_release(server->bigbuf); in cifs_demultiplex_thread()
1228 if (server->smallbuf) /* no sense logging a debug message if NULL */ in cifs_demultiplex_thread()
1229 cifs_small_buf_release(server->smallbuf); in cifs_demultiplex_thread()
1231 task_to_wake = xchg(&server->tsk, NULL); in cifs_demultiplex_thread()
1232 clean_demultiplex_info(server); in cifs_demultiplex_thread()
1234 /* if server->tsk was NULL then wait for a signal before exiting */ in cifs_demultiplex_thread()
1447 /* default to using server inode numbers where available */ in cifs_parse_mount_options()
1455 /* Most clients set timeout to 0, allows server to use its default */ in cifs_parse_mount_options()
1464 /* default to no multichannel (single server connection) */ in cifs_parse_mount_options()
2160 pr_warn("server netbiosname longer than 15 truncated\n"); in cifs_parse_mount_options()
2319 * families of server and addr are equal.
2322 match_port(struct TCP_Server_Info *server, struct sockaddr *addr) in match_port() argument
2327 if (server->rdma) in match_port()
2332 sport = &((struct sockaddr_in *) &server->dstaddr)->sin_port; in match_port()
2336 sport = &((struct sockaddr_in6 *) &server->dstaddr)->sin6_port; in match_port()
2356 match_address(struct TCP_Server_Info *server, struct sockaddr *addr, in match_address() argument
2363 (struct sockaddr_in *)&server->dstaddr; in match_address()
2372 (struct sockaddr_in6 *)&server->dstaddr; in match_address()
2386 if (!cifs_match_ipaddr(srcaddr, (struct sockaddr *)&server->srcaddr)) in match_address()
2393 match_security(struct TCP_Server_Info *server, struct smb_vol *vol) in match_security() argument
2400 if (server->ops->select_sectype(server, vol->sectype) in match_security()
2407 * the server->sign had better be too. in match_security()
2409 if (vol->sign && !server->sign) in match_security()
2415 static int match_server(struct TCP_Server_Info *server, struct smb_vol *vol) in match_server() argument
2424 if (server->vals->protocol_id < SMB30_PROT_ID) in match_server()
2428 if (server->vals->protocol_id < SMB21_PROT_ID) in match_server()
2430 } else if ((server->vals != vol->vals) || (server->ops != vol->ops)) in match_server()
2433 if (!net_eq(cifs_net_ns(server), current->nsproxy->net_ns)) in match_server()
2436 if (!match_address(server, addr, in match_server()
2440 if (!match_port(server, addr)) in match_server()
2443 if (!match_security(server, vol)) in match_server()
2446 if (server->echo_interval != vol->echo_interval * HZ) in match_server()
2449 if (server->rdma != vol->rdma) in match_server()
2452 if (server->ignore_signature != vol->ignore_signature) in match_server()
2455 if (server->min_offload != vol->min_offload) in match_server()
2464 struct TCP_Server_Info *server; in cifs_find_tcp_session() local
2467 list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) { in cifs_find_tcp_session()
2472 if (server->is_channel || !match_server(server, vol)) in cifs_find_tcp_session()
2475 ++server->srv_count; in cifs_find_tcp_session()
2477 cifs_dbg(FYI, "Existing tcp session with server found\n"); in cifs_find_tcp_session()
2478 return server; in cifs_find_tcp_session()
2485 cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect) in cifs_put_tcp_session() argument
2490 if (--server->srv_count > 0) { in cifs_put_tcp_session()
2495 put_net(cifs_net_ns(server)); in cifs_put_tcp_session()
2497 list_del_init(&server->tcp_ses_list); in cifs_put_tcp_session()
2500 cancel_delayed_work_sync(&server->echo); in cifs_put_tcp_session()
2506 * that reconnect work does nothing with server pointer after in cifs_put_tcp_session()
2509 cancel_delayed_work(&server->reconnect); in cifs_put_tcp_session()
2511 cancel_delayed_work_sync(&server->reconnect); in cifs_put_tcp_session()
2514 server->tcpStatus = CifsExiting; in cifs_put_tcp_session()
2517 cifs_crypto_secmech_release(server); in cifs_put_tcp_session()
2518 cifs_fscache_release_client_cookie(server); in cifs_put_tcp_session()
2520 kfree(server->session_key.response); in cifs_put_tcp_session()
2521 server->session_key.response = NULL; in cifs_put_tcp_session()
2522 server->session_key.len = 0; in cifs_put_tcp_session()
2524 task = xchg(&server->tsk, NULL); in cifs_put_tcp_session()
2735 struct TCP_Server_Info *server = ses->server; in cifs_setup_ipc() local
2742 if (server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION) in cifs_setup_ipc()
2746 "IPC: server doesn't support encryption\n"); in cifs_setup_ipc()
2755 scnprintf(unc, sizeof(unc), "\\\\%s\\IPC$", server->hostname); in cifs_setup_ipc()
2764 rc = server->ops->tree_connect(xid, ses, unc, tcon, nls_codepage); in cifs_setup_ipc()
2795 if (ses->server->ops->tree_disconnect) { in cifs_free_ipc()
2797 rc = ses->server->ops->tree_disconnect(xid, tcon); in cifs_free_ipc()
2810 cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb_vol *vol) in cifs_find_smb_ses() argument
2815 list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { in cifs_find_smb_ses()
2831 struct TCP_Server_Info *server = ses->server; in cifs_put_smb_ses() local
2853 if (ses->status == CifsExiting && server->ops->logoff) { in cifs_put_smb_ses()
2855 rc = server->ops->logoff(xid, ses); in cifs_put_smb_ses()
2871 cifs_put_tcp_session(ses->chans[i].server, 0); in cifs_put_smb_ses()
2875 cifs_put_tcp_session(server, 0); in cifs_put_smb_ses()
2893 struct TCP_Server_Info *server = ses->server; in cifs_set_cifscreds() local
2903 switch (server->dstaddr.ss_family) { in cifs_set_cifscreds()
2905 sa = (struct sockaddr_in *)&server->dstaddr; in cifs_set_cifscreds()
2909 sa6 = (struct sockaddr_in6 *)&server->dstaddr; in cifs_set_cifscreds()
2914 server->dstaddr.ss_family); in cifs_set_cifscreds()
3032 * cifs_get_smb_ses - get a session matching @volume_info data from @server
3035 * already got a server reference (server refcount +1). See
3039 cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) in cifs_get_smb_ses() argument
3044 struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; in cifs_get_smb_ses()
3045 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; in cifs_get_smb_ses()
3049 ses = cifs_find_smb_ses(server, volume_info); in cifs_get_smb_ses()
3077 /* existing SMB ses has a server reference already */ in cifs_get_smb_ses()
3078 cifs_put_tcp_session(server, 0); in cifs_get_smb_ses()
3090 /* new SMB session uses our server ref */ in cifs_get_smb_ses()
3091 ses->server = server; in cifs_get_smb_ses()
3092 if (server->dstaddr.ss_family == AF_INET6) in cifs_get_smb_ses()
3123 /* add server as first channel */ in cifs_get_smb_ses()
3124 ses->chans[0].server = server; in cifs_get_smb_ses()
3142 list_add(&ses->smb_ses_list, &server->smb_ses_list); in cifs_get_smb_ses()
3224 if (ses->server->ops->tree_disconnect) in cifs_put_tcon()
3225 ses->server->ops->tree_disconnect(xid, tcon); in cifs_put_tcon()
3270 if (!ses->server->ops->tree_connect) { in cifs_get_tcon()
3282 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
3292 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
3311 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
3316 } else if (tcon->ses->server->capabilities & in cifs_get_tcon()
3327 if (ses->server->posix_ext_supported) { in cifs_get_tcon()
3331 cifs_dbg(VFS, "Server does not support mounting with posix SMB3.11 extensions\n"); in cifs_get_tcon()
3342 rc = ses->server->ops->tree_connect(xid, ses, volume_info->UNC, tcon, in cifs_get_tcon()
3352 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
3357 } else if (ses->server->capabilities & in cifs_get_tcon()
3367 && (ses->server->capabilities & SMB2_GLOBAL_CAP_PERSISTENT_HANDLES) in cifs_get_tcon()
3372 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
3390 if (ses->server->vals->protocol_id == 0) { in cifs_get_tcon()
3401 * resources mounted more than once to the same server share the last in cifs_get_tcon()
3406 if (ses->server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING) in cifs_get_tcon()
3528 tcp_srv = ses->server; in cifs_match_super()
3595 bind_socket(struct TCP_Server_Info *server) in bind_socket() argument
3598 if (server->srcaddr.ss_family != AF_UNSPEC) { in bind_socket()
3600 struct socket *socket = server->ssocket; in bind_socket()
3602 (struct sockaddr *) &server->srcaddr, in bind_socket()
3603 sizeof(server->srcaddr)); in bind_socket()
3607 saddr4 = (struct sockaddr_in *)&server->srcaddr; in bind_socket()
3608 saddr6 = (struct sockaddr_in6 *)&server->srcaddr; in bind_socket()
3621 ip_rfc1001_connect(struct TCP_Server_Info *server) in ip_rfc1001_connect() argument
3636 if (server->server_RFC1001_name[0] != 0) in ip_rfc1001_connect()
3639 server->server_RFC1001_name, in ip_rfc1001_connect()
3653 if (server->workstation_RFC1001_name[0] != 0) in ip_rfc1001_connect()
3656 server->workstation_RFC1001_name, in ip_rfc1001_connect()
3670 rc = smb_send(server, smb_buf, 0x44); in ip_rfc1001_connect()
3673 * RFC1001 layer in at least one server in ip_rfc1001_connect()
3693 generic_ip_connect(struct TCP_Server_Info *server) in generic_ip_connect() argument
3698 struct socket *socket = server->ssocket; in generic_ip_connect()
3701 saddr = (struct sockaddr *) &server->dstaddr; in generic_ip_connect()
3703 if (server->dstaddr.ss_family == AF_INET6) { in generic_ip_connect()
3704 struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)&server->dstaddr; in generic_ip_connect()
3712 struct sockaddr_in *ipv4 = (struct sockaddr_in *)&server->dstaddr; in generic_ip_connect()
3722 rc = __sock_create(cifs_net_ns(server), sfamily, SOCK_STREAM, in generic_ip_connect()
3726 server->ssocket = NULL; in generic_ip_connect()
3732 server->ssocket = socket; in generic_ip_connect()
3740 rc = bind_socket(server); in generic_ip_connect()
3753 if (server->noautotune) { in generic_ip_connect()
3760 if (server->tcp_nodelay) in generic_ip_connect()
3768 server->noblockcnt ? O_NONBLOCK : 0); in generic_ip_connect()
3774 if (server->noblockcnt && rc == -EINPROGRESS) in generic_ip_connect()
3777 cifs_dbg(FYI, "Error %d connecting to server\n", rc); in generic_ip_connect()
3779 server->ssocket = NULL; in generic_ip_connect()
3784 rc = ip_rfc1001_connect(server); in generic_ip_connect()
3790 ip_connect(struct TCP_Server_Info *server) in ip_connect() argument
3793 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; in ip_connect()
3794 struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; in ip_connect()
3796 if (server->dstaddr.ss_family == AF_INET6) in ip_connect()
3807 rc = generic_ip_connect(server); in ip_connect()
3815 return generic_ip_connect(server); in ip_connect()
3828 * What if we wanted to mount the server share twice once with in reset_cifs_unix_caps()
3847 cifs_dbg(FYI, "unix caps which server supports %lld\n", cap); in reset_cifs_unix_caps()
3861 cifs_dbg(VFS, "server disabled POSIX path support\n"); in reset_cifs_unix_caps()
3912 …cifs_dbg(VFS, "Negotiating Unix capabilities with the server failed. Consider mounting with the Un… in reset_cifs_unix_caps()
4063 struct TCP_Server_Info *server, in mount_put_conns() argument
4072 else if (server) in mount_put_conns()
4073 cifs_put_tcp_session(server, 0); in mount_put_conns()
4085 struct TCP_Server_Info *server; in mount_get_conns() local
4096 server = cifs_get_tcp_session(vol); in mount_get_conns()
4097 if (IS_ERR(server)) { in mount_get_conns()
4098 rc = PTR_ERR(server); in mount_get_conns()
4102 *nserver = server; in mount_get_conns()
4105 ses = cifs_get_smb_ses(server, vol); in mount_get_conns()
4113 if ((vol->persistent == true) && (!(ses->server->capabilities & in mount_get_conns()
4115 cifs_server_dbg(VFS, "persistent handles not supported by server\n"); in mount_get_conns()
4119 /* search for existing tcon to this server share */ in mount_get_conns()
4132 /* tell server which Unix caps we support */ in mount_get_conns()
4139 if ((tcon->ses->server->tcpStatus == CifsNeedReconnect) && in mount_get_conns()
4144 tcon->unix_ext = 0; /* server does not support them */ in mount_get_conns()
4147 if (!tcon->pipe && server->ops->qfs_tcon) { in mount_get_conns()
4148 server->ops->qfs_tcon(*xid, tcon, cifs_sb); in mount_get_conns()
4160 cifs_sb->wsize = server->ops->negotiate_wsize(tcon, vol); in mount_get_conns()
4161 cifs_sb->rsize = server->ops->negotiate_rsize(tcon, vol); in mount_get_conns()
4320 struct TCP_Server_Info **server, struct cifs_ses **ses, in setup_dfs_tgt_conn() argument
4354 mount_put_conns(cifs_sb, *xid, *server, *ses, *tcon); in setup_dfs_tgt_conn()
4355 rc = mount_get_conns(&fake_vol, cifs_sb, xid, server, ses, in setup_dfs_tgt_conn()
4357 if (!rc || (*server && *ses)) { in setup_dfs_tgt_conn()
4359 * We were able to connect to new target server. in setup_dfs_tgt_conn()
4360 * Update current volume info with new target server. in setup_dfs_tgt_conn()
4371 struct TCP_Server_Info **server, struct cifs_ses **ses, in do_dfs_failover() argument
4386 /* Get next DFS target server - if any */ in do_dfs_failover()
4391 rc = setup_dfs_tgt_conn(path, full_path, tgt_it, cifs_sb, vol, xid, server, ses, in do_dfs_failover()
4393 if (!rc || (*server && *ses)) in do_dfs_failover()
4399 * server we successfully reconnected to. in do_dfs_failover()
4470 cifs_are_all_path_components_accessible(struct TCP_Server_Info *server, in cifs_are_all_path_components_accessible() argument
4485 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, ""); in cifs_are_all_path_components_accessible()
4509 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, in cifs_are_all_path_components_accessible()
4522 struct TCP_Server_Info *server, in is_path_remote() argument
4528 if (!server->ops->is_path_accessible) in is_path_remote()
4541 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, in is_path_remote()
4549 rc = cifs_are_all_path_components_accessible(server, xid, tcon, in is_path_remote()
4584 const unsigned int xid, struct TCP_Server_Info *server, in check_dfs_prepath() argument
4623 rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, path); in check_dfs_prepath()
4657 struct TCP_Server_Info *server = NULL; in cifs_mount() local
4665 rc = mount_get_conns(vol, cifs_sb, &xid, &server, &ses, &tcon); in cifs_mount()
4679 rc = is_path_remote(cifs_sb, vol, xid, server, tcon); in cifs_mount()
4701 /* Save full path of last DFS path we used to resolve final target server */ in cifs_mount()
4716 mount_put_conns(cifs_sb, xid, server, ses, tcon); in cifs_mount()
4717 rc = mount_get_conns(vol, cifs_sb, &xid, &server, &ses, &tcon); in cifs_mount()
4719 if (rc && !server && !ses) { in cifs_mount()
4722 &server, &ses, &tcon); in cifs_mount()
4724 if (rc == -EACCES || rc == -EOPNOTSUPP || !server || !ses) in cifs_mount()
4734 rc = check_dfs_prepath(cifs_sb, vol, xid, server, tcon, &ref_path); in cifs_mount()
4770 * After reconnecting to a different server, unique ids won't in cifs_mount()
4795 mount_put_conns(cifs_sb, xid, server, ses, tcon); in cifs_mount()
4805 struct TCP_Server_Info *server; in cifs_mount() local
4807 rc = mount_get_conns(vol, cifs_sb, &xid, &server, &ses, &tcon); in cifs_mount()
4812 rc = is_path_remote(cifs_sb, vol, xid, server, tcon); in cifs_mount()
4824 mount_put_conns(cifs_sb, xid, server, ses, tcon); in cifs_mount()
4858 smb_buffer->Mid = get_next_mid(ses->server); in CIFSTCon()
4866 if (tcon->pipe || (ses->server->sec_mode & SECMODE_USER)) { in CIFSTCon()
4882 calc_lanman_hash(tcon->password, ses->server->cryptkey, in CIFSTCon()
4883 ses->server->sec_mode & in CIFSTCon()
4888 rc = SMBNTencrypt(tcon->password, ses->server->cryptkey, in CIFSTCon()
4905 if (ses->server->sign) in CIFSTCon()
4919 (/* server len*/ + 256 /* share len */), nls_codepage); in CIFSTCon()
5033 struct TCP_Server_Info *server = cifs_ses_server(ses); in cifs_negotiate_protocol() local
5035 if (!server->ops->need_neg || !server->ops->negotiate) in cifs_negotiate_protocol()
5039 if (!server->ops->need_neg(server)) in cifs_negotiate_protocol()
5042 rc = server->ops->negotiate(xid, ses); in cifs_negotiate_protocol()
5045 if (server->tcpStatus == CifsNeedNegotiate) in cifs_negotiate_protocol()
5046 server->tcpStatus = CifsGood; in cifs_negotiate_protocol()
5060 struct TCP_Server_Info *server = cifs_ses_server(ses); in cifs_setup_session() local
5063 ses->capabilities = server->capabilities; in cifs_setup_session()
5065 ses->capabilities &= (~server->vals->cap_unix); in cifs_setup_session()
5077 server->sec_mode, server->capabilities, server->timeAdj); in cifs_setup_session()
5079 if (server->ops->sess_setup) in cifs_setup_session()
5080 rc = server->ops->sess_setup(xid, ses, nls_info); in cifs_setup_session()
5139 ++master_tcon->ses->server->srv_count; in cifs_construct_tcon()
5142 ses = cifs_get_smb_ses(master_tcon->ses->server, vol_info); in cifs_construct_tcon()
5145 cifs_put_tcp_session(master_tcon->ses->server, 0); in cifs_construct_tcon()
5353 struct TCP_Server_Info *server = tcon->ses->server; in cifs_tree_connect() local
5354 const struct smb_version_operations *ops = server->ops; in cifs_tree_connect()
5373 scnprintf(tree, MAX_TREE_SIZE, "\\\\%s\\IPC$", server->hostname); in cifs_tree_connect()
5384 extract_unc_hostname(server->hostname, &tcp_host, &tcp_host_len); in cifs_tree_connect()
5408 rc = match_target_ip(server, dfs_host, dfs_host_len, &target_match); in cifs_tree_connect()
5453 const struct smb_version_operations *ops = tcon->ses->server->ops; in cifs_tree_connect()