2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) Richard Sharpe 2001
6 Copyright (C) John Terpstra 2001
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 * cli_send_mailslot, send a mailslot for client code ...
28 BOOL cli_send_mailslot(struct messaging_context *msg_ctx,
29 BOOL unique, const char *mailslot,
32 const char *srcname, int src_type,
33 const char *dstname, int dest_type,
34 struct in_addr dest_ip)
36 struct packet_struct p;
37 struct dgram_packet *dgram = &p.packet.dgram;
42 if ((nmbd_pid = pidfile_pid("nmbd")) == 0) {
43 DEBUG(3, ("No nmbd found\n"));
47 memset((char *)&p, '\0', sizeof(p));
50 * Next, build the DGRAM ...
53 /* DIRECT GROUP or UNIQUE datagram. */
54 dgram->header.msg_type = unique ? 0x10 : 0x11;
55 dgram->header.flags.node_type = M_NODE;
56 dgram->header.flags.first = True;
57 dgram->header.flags.more = False;
58 dgram->header.dgm_id = ((unsigned)time(NULL)%(unsigned)0x7FFF) +
59 ((unsigned)sys_getpid()%(unsigned)100);
60 /* source ip is filled by nmbd */
61 dgram->header.dgm_length = 0; /* Let build_dgram() handle this. */
62 dgram->header.packet_offset = 0;
64 make_nmb_name(&dgram->source_name,srcname,src_type);
65 make_nmb_name(&dgram->dest_name,dstname,dest_type);
67 ptr = &dgram->data[0];
69 /* Setup the smb part. */
70 ptr -= 4; /* XXX Ugliness because of handling of tcp SMB length. */
72 set_message(NULL,ptr,17,strlen(mailslot) + 1 + len,True);
75 SCVAL(ptr,smb_com,SMBtrans);
76 SSVAL(ptr,smb_vwv1,len);
77 SSVAL(ptr,smb_vwv11,len);
78 SSVAL(ptr,smb_vwv12,70 + strlen(mailslot));
79 SSVAL(ptr,smb_vwv13,3);
80 SSVAL(ptr,smb_vwv14,1);
81 SSVAL(ptr,smb_vwv15,priority);
82 SSVAL(ptr,smb_vwv16,2);
85 p2 = skip_string(ptr,MAX_DGRAM_SIZE,p2);
93 dgram->datasize = PTR_DIFF(p2,ptr+4); /* +4 for tcp length. */
95 p.packet_type = DGRAM_PACKET;
97 p.timestamp = time(NULL);
99 DEBUG(4,("send_mailslot: Sending to mailslot %s from %s ",
100 mailslot, nmb_namestr(&dgram->source_name)));
101 DEBUGADD(4,("to %s IP %s\n", nmb_namestr(&dgram->dest_name),
102 inet_ntoa(dest_ip)));
104 return NT_STATUS_IS_OK(messaging_send_buf(msg_ctx,
105 pid_to_procid(nmbd_pid),
107 (uint8 *)&p, sizeof(p)));
111 * cli_get_response: Get a response ...
113 BOOL cli_get_response(const char *mailslot, char *buf, int bufsiz)
115 struct packet_struct *p;
117 p = receive_unexpected(DGRAM_PACKET, 0, mailslot);
122 memcpy(buf, &p->packet.dgram.data[92],
123 MIN(bufsiz, p->packet.dgram.datasize-92));
129 * cli_get_backup_list: Send a get backup list request ...
132 static char cli_backup_list[1024];
134 int cli_get_backup_list(struct messaging_context *msg_ctx,
135 const char *myname, const char *send_to_name)
139 struct in_addr sendto_ip;
141 if (!resolve_name(send_to_name, &sendto_ip, 0x1d)) {
143 DEBUG(0, ("Could not resolve name: %s<1D>\n", send_to_name));
148 memset(cli_backup_list, '\0', sizeof(cli_backup_list));
149 memset(outbuf, '\0', sizeof(outbuf));
153 SCVAL(p, 0, ANN_GetBackupListReq);
156 SCVAL(p, 0, 1); /* Count pointer ... */
159 SIVAL(p, 0, 1); /* The sender's token ... */
162 cli_send_mailslot(msg_ctx, True, "\\MAILSLOT\\BROWSE", 1, outbuf,
163 PTR_DIFF(p, outbuf), myname, 0, send_to_name,
166 /* We should check the error and return if we got one */
168 /* Now, get the response ... */
170 cli_get_response("\\MAILSLOT\\BROWSE",
171 cli_backup_list, sizeof(cli_backup_list));
178 * cli_get_backup_server: Get the backup list and retrieve a server from it
181 int cli_get_backup_server(struct messaging_context *msg_ctx,
182 char *my_name, char *target, char *servername,
186 /* Get the backup list first. We could pull this from the cache later */
188 cli_get_backup_list(msg_ctx, my_name, target); /* FIXME: Check the response */
190 if (!cli_backup_list[0]) { /* Empty list ... try again */
192 cli_get_backup_list(msg_ctx, my_name, target);
196 strncpy(servername, cli_backup_list, MIN(16, namesize));