X-Git-Url: https://vcs.maemo.org/git/?p=samba;a=blobdiff_plain;f=source%2Flibsmb%2Fclidgram.c;fp=source%2Flibsmb%2Fclidgram.c;h=dfb613238f60facfd6799e9b1732aae89536008a;hp=0000000000000000000000000000000000000000;hb=6bca4ca307d55b6dc888e56cee47aebcddbce786;hpb=7fd70fa738b636089bcc6c961aa3eaa02f20dda2

diff --git a/source/libsmb/clidgram.c b/source/libsmb/clidgram.c
new file mode 100644
index 0000000..dfb6132
--- /dev/null
+++ b/source/libsmb/clidgram.c
@@ -0,0 +1,195 @@
+/* 
+   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;
+
+}