smb/client/sess.c

49 			struct TCP_Server_Info *server)
54 	if (server && server->terminate)
58 		if (ses->chans[i].server == server)
63 	if (server)
64 		cifs_dbg(VFS, "unable to get chan index for server: 0x%llx",
65 			 server->conn_id);
71 			     struct TCP_Server_Info *server)
73 	int chan_index = cifs_ses_get_chan_index(ses, server);
83 			     struct TCP_Server_Info *server)
85 	unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
95 			     struct TCP_Server_Info *server)
97 	unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
109 			       struct TCP_Server_Info *server)
111 	unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
123 			  struct TCP_Server_Info *server)
125 	unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
135 			  struct TCP_Server_Info *server)
137 	unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
149 	struct TCP_Server_Info *server = ses->server;
171 	if (server->dialect < SMB30_PROT_ID) {
177 	if (!(server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) {
196 			cifs_dbg(ONCE, "server %s does not advertise interfaces\n",
197 				      ses->server->hostname);
211 			if (iface->rdma_capable != ses->server->rdma)
268  * called when multichannel is disabled by the server.
276 	struct TCP_Server_Info *server;
291 		server = ses->chans[i].server;
298 		ses->chans[i].server = NULL;
310 		if (server) {
311 			if (!server->terminate) {
312 				server->terminate = true;
313 				cifs_signal_cifsd_for_reconnect(server, false);
315 			cifs_put_tcp_session(server, false);
327 cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
338 	chan_index = cifs_ses_get_chan_index(ses, server);
353 	spin_lock(&server->srv_lock);
354 	ss = server->dstaddr;
355 	spin_unlock(&server->srv_lock);
360 		cifs_dbg(ONCE, "server %s does not advertise interfaces\n", ses->server->hostname);
382 		if (iface->rdma_capable != server->rdma)
449 	chan_index = cifs_ses_get_chan_index(ses, server);
458 	spin_lock(&server->srv_lock);
459 	memcpy(&server->dstaddr, &iface->sockaddr, sizeof(server->dstaddr));
460 	spin_unlock(&server->srv_lock);
494 	 * the session and server without caring about memory
510 	ctx->server_hostname = ses->server->hostname;
519 	/* XXX: Use ses->server->hostname? */
530 	ctx->vals = ses->server->vals;
531 	ctx->ops = ses->server->ops;
533 	ctx->noblocksnd = ses->server->noblocksnd;
534 	ctx->noautotune = ses->server->noautotune;
535 	ctx->sockopt_tcp_nodelay = ses->server->tcp_nodelay;
536 	ctx->echo_interval = ses->server->echo_interval / HZ;
537 	ctx->max_credits = ses->server->max_credits;
538 	ctx->min_offload = ses->server->min_offload;
539 	ctx->compress = ses->server->compression.requested;
540 	ctx->dfs_conn = ses->server->dfs_conn;
541 	ctx->ignore_signature = ses->server->ignore_signature;
542 	ctx->leaf_fullpath = ses->server->leaf_fullpath;
543 	ctx->rootfs = ses->server->noblockcnt;
544 	ctx->retrans = ses->server->retrans;
557 	memcpy(&ctx->client_guid, ses->server->client_guid,
561 	chan_server = cifs_get_tcp_session(ctx, ses->server);
565 	chan->server = chan_server;
566 	if (IS_ERR(chan->server)) {
567 		rc = PTR_ERR(chan->server);
568 		chan->server = NULL;
577 	cifs_chan_set_need_reconnect(ses, chan->server);
583 	 * We need to allocate the server crypto now as we will need
587 	rc = smb311_crypto_shash_allocate(chan->server);
594 	rc = cifs_negotiate_protocol(xid, ses, chan->server);
596 		rc = cifs_setup_session(xid, ses, chan->server, ses->local_nls);
601 	if (rc && chan->server) {
602 		cifs_put_tcp_session(chan->server, 0);
607 		cifs_chan_clear_need_reconnect(ses, chan->server);
627 			     struct TCP_Server_Info *server,
641 	pSMB->req.MaxMpxCount = cpu_to_le16(server->maxReq);
643 	pSMB->req.SessionKey = server->session_key_id;
652 	if (server->sign)
722 		 * we did briefly in 2.6.18) since server will use its default
748 	} /* else we send a null domain name so server will default to its own domain */
862 			cifs_dbg(FYI, "OS/2 server\n");
929 		cifs_dbg(VFS, "%s: requested signing/encryption but server did not return either 56-bit or 128-bit session key size\n",
934 		cifs_dbg(VFS, "%s: server does not seem to support either NTLMv1 or NTLMv2\n", __func__);
937 	if (ses->server->sign && !(server_flags & NTLMSSP_NEGOTIATE_SIGN)) {
938 		cifs_dbg(VFS, "%s: forced packet signing but server does not seem to support it\n",
944 		pr_warn_once("%s: authentication has been weakened as server does not support key exchange\n",
1041 				 struct TCP_Server_Info *server,
1070 	if (!server->session_estab || ses->ntlmssp->sesskey_per_smbsess)
1103 				 struct TCP_Server_Info *server,
1132 	if (!server->session_estab || ses->ntlmssp->sesskey_per_smbsess)
1167 				   struct TCP_Server_Info *server,
1252 	    (!ses->server->session_estab || ses->ntlmssp->sesskey_per_smbsess) &&
1272 cifs_select_sectype(struct TCP_Server_Info *server, enum securityEnum requested)
1274 	switch (server->negflavor) {
1282 			if (server->sec_ntlmssp &&
1285 			if ((server->sec_kerberos || server->sec_mskerberos || server->sec_iakerb) &&
1312 	struct TCP_Server_Info *server;
1388 	struct TCP_Server_Info *server = sess_data->server;
1390 	cifs_server_lock(server);
1391 	if (!server->session_estab) {
1392 		if (server->sign) {
1393 			server->session_key.response =
1396 			if (!server->session_key.response) {
1397 				cifs_server_unlock(server);
1400 			server->session_key.len =
1403 		server->sequence_number = 0x2;
1404 		server->session_estab = true;
1406 	cifs_server_unlock(server);
1442 	struct TCP_Server_Info *server = sess_data->server;
1454 	capabilities = cifs_ssetup_hdr(ses, server, pSMB);
1552 	struct TCP_Server_Info *server = sess_data->server;
1567 	capabilities = cifs_ssetup_hdr(ses, server, pSMB);
1569 	spnego_key = cifs_get_spnego_key(ses, server);
1693 	struct TCP_Server_Info *server = sess_data->server;
1699 	capabilities = cifs_ssetup_hdr(ses, server, pSMB);
1733 	struct TCP_Server_Info *server = sess_data->server;
1761 				     &blob_len, ses, server,
1839 	struct TCP_Server_Info *server = sess_data->server;
1856 					&blob_len, ses, server,
1864 	 * Make sure that we tell the server that we are using
1945 	struct TCP_Server_Info *server = sess_data->server;
1947 	type = cifs_select_sectype(server, ses->sectype);
1978 		   struct TCP_Server_Info *server,
1995 	sess_data->server = server;