| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | client dgram calls
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| 4 | Copyright (C) Andrew Tridgell 1994-1998
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| 5 | Copyright (C) Richard Sharpe 2001
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| 6 | Copyright (C) John Terpstra 2001
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| 7 |
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| 8 | This program is free software; you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation; either version 2 of the License, or
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| 11 | (at your option) any later version.
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| 12 |
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| 13 | This program is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with this program; if not, write to the Free Software
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| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 21 | */
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| 22 |
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| 23 | #include "includes.h"
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| 24 |
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| 25 | /*
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| 26 | * cli_send_mailslot, send a mailslot for client code ...
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| 27 | */
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| 28 |
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| 29 | BOOL cli_send_mailslot(BOOL unique, const char *mailslot,
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| 30 | uint16 priority,
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| 31 | char *buf, int len,
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| 32 | const char *srcname, int src_type,
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| 33 | const char *dstname, int dest_type,
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| 34 | struct in_addr dest_ip)
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| 35 | {
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| 36 | struct packet_struct p;
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| 37 | struct dgram_packet *dgram = &p.packet.dgram;
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| 38 | char *ptr, *p2;
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| 39 | char tmp[4];
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| 40 | pid_t nmbd_pid;
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| 41 |
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| 42 | if ((nmbd_pid = pidfile_pid("nmbd")) == 0) {
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| 43 | DEBUG(3, ("No nmbd found\n"));
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| 44 | return False;
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| 45 | }
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| 46 |
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| 47 | if (!message_init())
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| 48 | return False;
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| 49 |
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| 50 | memset((char *)&p, '\0', sizeof(p));
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| 51 |
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| 52 | /*
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| 53 | * Next, build the DGRAM ...
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| 54 | */
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| 55 |
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| 56 | /* DIRECT GROUP or UNIQUE datagram. */
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| 57 | dgram->header.msg_type = unique ? 0x10 : 0x11;
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| 58 | dgram->header.flags.node_type = M_NODE;
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| 59 | dgram->header.flags.first = True;
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| 60 | dgram->header.flags.more = False;
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| 61 | dgram->header.dgm_id = ((unsigned)time(NULL)%(unsigned)0x7FFF) +
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| 62 | ((unsigned)sys_getpid()%(unsigned)100);
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| 63 | /* source ip is filled by nmbd */
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| 64 | dgram->header.dgm_length = 0; /* Let build_dgram() handle this. */
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| 65 | dgram->header.packet_offset = 0;
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| 66 |
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| 67 | make_nmb_name(&dgram->source_name,srcname,src_type);
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| 68 | make_nmb_name(&dgram->dest_name,dstname,dest_type);
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| 69 |
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| 70 | ptr = &dgram->data[0];
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| 71 |
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| 72 | /* Setup the smb part. */
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| 73 | ptr -= 4; /* XXX Ugliness because of handling of tcp SMB length. */
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| 74 | memcpy(tmp,ptr,4);
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| 75 |
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| 76 | if (smb_size + 17*2 + strlen(mailslot) + 1 + len > MAX_DGRAM_SIZE) {
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| 77 | DEBUG(0, ("cli_send_mailslot: Cannot write beyond end of packet\n"));
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| 78 | return False;
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| 79 | }
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| 80 |
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| 81 | set_message(ptr,17,strlen(mailslot) + 1 + len,True);
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| 82 | memcpy(ptr,tmp,4);
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| 83 |
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| 84 | SCVAL(ptr,smb_com,SMBtrans);
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| 85 | SSVAL(ptr,smb_vwv1,len);
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| 86 | SSVAL(ptr,smb_vwv11,len);
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| 87 | SSVAL(ptr,smb_vwv12,70 + strlen(mailslot));
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| 88 | SSVAL(ptr,smb_vwv13,3);
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