--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ client dgram calls
+ Copyright (C) Andrew Tridgell 1994-1998
+ Copyright (C) Richard Sharpe 2001
+ Copyright (C) John Terpstra 2001
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/*
+ * cli_send_mailslot, send a mailslot for client code ...
+ */
+
+BOOL cli_send_mailslot(BOOL unique, const char *mailslot,
+ uint16 priority,
+ char *buf, int len,
+ const char *srcname, int src_type,
+ const char *dstname, int dest_type,
+ struct in_addr dest_ip)
+{
+ struct packet_struct p;
+ struct dgram_packet *dgram = &p.packet.dgram;
+ char *ptr, *p2;
+ char tmp[4];
+ pid_t nmbd_pid;
+
+ if ((nmbd_pid = pidfile_pid("nmbd")) == 0) {
+ DEBUG(3, ("No nmbd found\n"));
+ return False;
+ }
+
+ if (!message_init())
+ return False;
+
+ memset((char *)&p, '\0', sizeof(p));
+
+ /*
+ * Next, build the DGRAM ...
+ */
+
+ /* DIRECT GROUP or UNIQUE datagram. */
+ dgram->header.msg_type = unique ? 0x10 : 0x11;
+ dgram->header.flags.node_type = M_NODE;
+ dgram->header.flags.first = True;
+ dgram->header.flags.more = False;
+ dgram->header.dgm_id = ((unsigned)time(NULL)%(unsigned)0x7FFF) +
+ ((unsigned)sys_getpid()%(unsigned)100);
+ /* source ip is filled by nmbd */
+ dgram->header.dgm_length = 0; /* Let build_dgram() handle this. */
+ dgram->header.packet_offset = 0;
+
+ make_nmb_name(&dgram->source_name,srcname,src_type);
+ make_nmb_name(&dgram->dest_name,dstname,dest_type);
+
+ ptr = &dgram->data[0];
+
+ /* Setup the smb part. */
+ ptr -= 4; /* XXX Ugliness because of handling of tcp SMB length. */
+ memcpy(tmp,ptr,4);
+ set_message(ptr,17,strlen(mailslot) + 1 + len,True);
+ memcpy(ptr,tmp,4);
+
+ SCVAL(ptr,smb_com,SMBtrans);
+ SSVAL(ptr,smb_vwv1,len);
+ SSVAL(ptr,smb_vwv11,len);
+ SSVAL(ptr,smb_vwv12,70 + strlen(mailslot));
+ SSVAL(ptr,smb_vwv13,3);
+ SSVAL(ptr,smb_vwv14,1);
+ SSVAL(ptr,smb_vwv15,priority);
+ SSVAL(ptr,smb_vwv16,2);
+ p2 = smb_buf(ptr);
+ fstrcpy(p2,mailslot);
+ p2 = skip_string(p2,1);
+
+ memcpy(p2,buf,len);
+ p2 += len;
+
+ dgram->datasize = PTR_DIFF(p2,ptr+4); /* +4 for tcp length. */
+
+ p.packet_type = DGRAM_PACKET;
+ p.ip = dest_ip;
+ p.timestamp = time(NULL);
+
+ DEBUG(4,("send_mailslot: Sending to mailslot %s from %s ",
+ mailslot, nmb_namestr(&dgram->source_name)));
+ DEBUGADD(4,("to %s IP %s\n", nmb_namestr(&dgram->dest_name),
+ inet_ntoa(dest_ip)));
+
+ return message_send_pid(pid_to_procid(nmbd_pid), MSG_SEND_PACKET, &p, sizeof(p),
+ False);
+}
+
+/*
+ * cli_get_response: Get a response ...
+ */
+BOOL cli_get_response(const char *mailslot, char *buf, int bufsiz)
+{
+ struct packet_struct *p;
+
+ p = receive_unexpected(DGRAM_PACKET, 0, mailslot);
+
+ if (p == NULL)
+ return False;
+
+ memcpy(buf, &p->packet.dgram.data[92],
+ MIN(bufsiz, p->packet.dgram.datasize-92));
+
+ return True;
+}
+
+/*
+ * cli_get_backup_list: Send a get backup list request ...
+ */
+
+static char cli_backup_list[1024];
+
+int cli_get_backup_list(const char *myname, const char *send_to_name)
+{
+ pstring outbuf;
+ char *p;
+ struct in_addr sendto_ip;
+
+ if (!resolve_name(send_to_name, &sendto_ip, 0x1d)) {
+
+ DEBUG(0, ("Could not resolve name: %s<1D>\n", send_to_name));
+ return False;
+
+ }
+
+ memset(cli_backup_list, '\0', sizeof(cli_backup_list));
+ memset(outbuf, '\0', sizeof(outbuf));
+
+ p = outbuf;
+
+ SCVAL(p, 0, ANN_GetBackupListReq);
+ p++;
+
+ SCVAL(p, 0, 1); /* Count pointer ... */
+ p++;
+
+ SIVAL(p, 0, 1); /* The sender's token ... */
+ p += 4;
+
+ cli_send_mailslot(True, "\\MAILSLOT\\BROWSE", 1, outbuf,
+ PTR_DIFF(p, outbuf), myname, 0, send_to_name,
+ 0x1d, sendto_ip);
+
+ /* We should check the error and return if we got one */
+
+ /* Now, get the response ... */
+
+ cli_get_response("\\MAILSLOT\\BROWSE",
+ cli_backup_list, sizeof(cli_backup_list));
+
+ return True;
+
+}
+
+/*
+ * cli_get_backup_server: Get the backup list and retrieve a server from it
+ */
+
+int cli_get_backup_server(char *my_name, char *target, char *servername, int namesize)
+{
+
+ /* Get the backup list first. We could pull this from the cache later */
+
+ cli_get_backup_list(my_name, target); /* FIXME: Check the response */
+
+ if (!cli_backup_list[0]) { /* Empty list ... try again */
+
+ cli_get_backup_list(my_name, target);
+
+ }
+
+ strncpy(servername, cli_backup_list, MIN(16, namesize));
+
+ return True;
+
+}
projects / samba / blobdiff