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-rw-r--r--source3/libsmb/clidgram.c239
1 files changed, 239 insertions, 0 deletions
diff --git a/source3/libsmb/clidgram.c b/source3/libsmb/clidgram.c
new file mode 100644
index 0000000000..b76d46e1bf
--- /dev/null
+++ b/source3/libsmb/clidgram.c
@@ -0,0 +1,239 @@
+/*
+ Unix SMB/Netbios implementation.
+ Version 3.0
+ 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.
+*/
+
+#define NO_SYSLOG
+
+#include "includes.h"
+
+/*
+ * cli_send_mailslot, send a mailslot for client code ...
+ */
+
+static int dgram_sock = -1;
+
+int cli_send_mailslot(BOOL unique, char *mailslot, char *buf, int len,
+ const char *srcname, int src_type,
+ const char *dstname, int dest_type,
+ struct in_addr dest_ip, struct in_addr src_ip,
+ int dest_port)
+{
+ struct packet_struct p;
+ struct dgram_packet *dgram = &p.packet.dgram;
+ struct sockaddr_in sock_out;
+ char *ptr, *p2;
+ char tmp[4];
+
+ bzero((char *)&p, sizeof(p));
+
+ /*
+ * First, check if we have an open socket to the dest IP
+ */
+
+ if (dgram_sock < 1) {
+
+ int name_size;
+
+ if ((dgram_sock = open_socket_out(SOCK_DGRAM, &dest_ip, 138, LONG_CONNECT_TIMEOUT)) < 0) {
+
+ DEBUG(4, ("open_sock_out failed ..."));
+ return False;
+
+ }
+
+ /* Make it a broadcast socket ... */
+
+ set_socket_options(dgram_sock, "SO_BROADCAST");
+
+ /* Now, bind my addr to it ... */
+
+ bzero((char *)&sock_out, sizeof(sock_out));
+ putip((char *)&sock_out.sin_addr, (char *)&src_ip);
+ sock_out.sin_port = INADDR_ANY;
+ sock_out.sin_family = AF_INET;
+
+ bind(dgram_sock, (struct sockaddr_in *)&sock_out, sizeof(sock_out));
+
+ /* Now, figure out what socket name we were bound to. We want the port */
+
+ name_size = sizeof(sock_out);
+
+ getsockname(dgram_sock, (struct sockaddr_in *)&sock_out, &name_size);
+
+ fprintf(stderr, "Socket bound to IP:%s, port: %d\n", inet_ntoa(sock_out.sin_addr), ntohs(sock_out.sin_port));
+
+ }
+
+ /*
+ * 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);
+ dgram->header.source_ip = src_ip;
+ dgram->header.source_port = ntohs(sock_out.sin_port);
+ 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,17,17 + len,True);
+ memcpy(ptr,tmp,4);
+
+ CVAL(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_vwv15,1);
+ SSVAL(ptr,smb_vwv16,2);
+ p2 = smb_buf(ptr);
+ pstrcpy(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.ip = dest_ip;
+ p.port = dest_port;
+ p.fd = dgram_sock;
+ p.timestamp = time(NULL);
+ p.packet_type = DGRAM_PACKET;
+
+ DEBUG(4,("send_mailslot: Sending to mailslot %s from %s IP %s ", mailslot,
+ nmb_namestr(&dgram->source_name), inet_ntoa(src_ip)));
+ DEBUG(4,("to %s IP %s\n", nmb_namestr(&dgram->dest_name), inet_ntoa(dest_ip)));
+
+ return send_packet(&p);
+
+}
+
+/*
+ * cli_get_response: Get a response ...
+ */
+int cli_get_response(BOOL unique, char *mailslot, char *buf, int bufsiz)
+{
+ struct packet_struct *packet;
+
+ packet = read_packet(dgram_sock, DGRAM_PACKET);
+
+ if (packet) { /* We got one, pull what we want out of the SMB data ... */
+
+ struct dgram_packet *dgram = &packet->packet.dgram;
+
+ /*
+ * We should probably parse the SMB, but for now, we will pull what
+ * from fixed, known locations ...
+ */
+
+ fprintf(stderr, "Packet: Data is: %s\n", &dgram->data[92]);
+
+ /* Copy the data to buffer, respecting sizes ... */
+
+ bcopy(&dgram->data[92], buf, MIN(bufsiz, (dgram->datasize - 92)));
+
+ }
+ else
+ return -1;
+
+}
+
+/*
+ * 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)
+{
+ char outbuf[15];
+ char *p;
+ struct in_addr sendto_ip, my_ip;
+
+ if (!resolve_name(send_to_name, &sendto_ip, 0x1d)) {
+
+ fprintf(stderr, "Could not resolve name: %s<1D>\n", send_to_name);
+
+ }
+
+ inet_aton("10.0.0.6", &my_ip);
+
+ if (!resolve_name(myname, &my_ip, 0x00)) {
+
+ fprintf(stderr, "Could not resolve name: %s<00>\n", myname);
+
+ }
+
+ bzero(cli_backup_list, sizeof(cli_backup_list));
+ bzero(outbuf, 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", outbuf, PTR_DIFF(p, outbuf),
+ myname, 0, send_to_name, 0x1d, sendto_ip, my_ip, 138);
+
+ /* We should check the error and return if we got one */
+
+ /* Now, get the response ... */
+
+ cli_get_response(True, "\\MAILSLOT\\BROWSE", cli_backup_list, sizeof(cli_backup_list));
+
+ /* Should check the response here ... FIXME */
+
+}
+
+/*
+ * 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 */
+
+ strncpy(servername, cli_backup_list, MIN(16, namesize));
+
+}