| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | NBT datagram browse server
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| 5 |
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| 6 | Copyright (C) Andrew Tridgell 2005
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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 3 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, see <http://www.gnu.org/licenses/>.
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| 20 | */
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| 21 |
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| 22 | #include "includes.h"
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| 23 | #include "nbt_server/nbt_server.h"
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| 24 | #include "lib/socket/socket.h"
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| 25 | #include "librpc/gen_ndr/ndr_nbt.h"
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| 26 | #include "nbt_server/dgram/proto.h"
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| 27 |
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| 28 | static const char *nbt_browse_opcode_string(enum nbt_browse_opcode r)
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| 29 | {
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| 30 | const char *val = NULL;
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| 31 |
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| 32 | switch (r) {
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| 33 | case HostAnnouncement: val = "HostAnnouncement"; break;
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| 34 | case AnnouncementRequest: val = "AnnouncementRequest"; break;
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| 35 | case Election: val = "Election"; break;
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| 36 | case GetBackupListReq: val = "GetBackupListReq"; break;
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| 37 | case GetBackupListResp: val = "GetBackupListResp"; break;
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| 38 | case BecomeBackup: val = "BecomeBackup"; break;
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| 39 | case DomainAnnouncement: val = "DomainAnnouncement"; break;
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| 40 | case MasterAnnouncement: val = "MasterAnnouncement"; break;
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| 41 | case ResetBrowserState: val = "ResetBrowserState"; break;
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| 42 | case LocalMasterAnnouncement: val = "LocalMasterAnnouncement"; break;
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| 43 | }
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| 44 |
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| 45 | return val;
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| 46 | }
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| 47 |
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| 48 | /*
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| 49 | handle incoming browse mailslot requests
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| 50 | */
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| 51 | void nbtd_mailslot_browse_handler(struct dgram_mailslot_handler *dgmslot,
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| 52 | struct nbt_dgram_packet *packet,
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| 53 | struct socket_address *src)
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| 54 | {
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| 55 | struct nbt_browse_packet *browse = talloc(dgmslot, struct nbt_browse_packet);
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| 56 | struct nbt_name *name = &packet->data.msg.dest_name;
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| 57 | NTSTATUS status;
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| 58 |
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| 59 | if (browse == NULL) {
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| 60 | status = NT_STATUS_INVALID_PARAMETER;
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| 61 | goto failed;
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| 62 | }
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| 63 |
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| 64 | status = dgram_mailslot_browse_parse(dgmslot, browse, packet, browse);
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| 65 | if (!NT_STATUS_IS_OK(status)) goto failed;
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| 66 |
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| 67 | DEBUG(4,("Browse %s (Op %d) on '%s' '%s' from %s:%d\n",
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| 68 | nbt_browse_opcode_string(browse->opcode), browse->opcode,
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| 69 | nbt_name_string(browse, name), dgmslot->mailslot_name,
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| 70 | src->addr, src->port));
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| 71 |
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| 72 | if (DEBUGLEVEL >= 10) {
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| 73 | NDR_PRINT_DEBUG(nbt_browse_packet, browse);
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| 74 | }
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| 75 |
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| 76 | talloc_free(browse);
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| 77 | return;
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| 78 |
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| 79 | failed:
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| 80 | DEBUG(2,("nbtd browse handler failed from %s:%d to %s - %s\n",
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| 81 | src->addr, src->port, nbt_name_string(browse, name),
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| 82 | nt_errstr(status)));
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| 83 | talloc_free(browse);
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| 84 |
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| 85 | }
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