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michael |
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/* vim: set shiftwidth=3 softtabstop=3 expandtab: */ |
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/* |
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* Copyright (C) 2002 Erik Fears |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to |
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* |
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* The Free Software Foundation, Inc. |
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* 59 Temple Place - Suite 330 |
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* Boston, MA 02111-1307, USA. |
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* |
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* |
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*/ |
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#include "setup.h" |
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#include <stdio.h> |
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#include <unistd.h> |
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#include <assert.h> |
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#ifdef STDC_HEADERS |
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# include <stdlib.h> |
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# include <string.h> |
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#endif |
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#ifdef TIME_WITH_SYS_TIME |
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# include <sys/time.h> |
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# include <time.h> |
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#else |
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# ifdef HAVE_SYS_TIME_H |
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# include <sys/time.h> |
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# else |
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# include <time.h> |
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# endif |
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#endif |
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#include <errno.h> |
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#include <fcntl.h> |
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#ifdef HAVE_SYS_POLL_H |
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# include <sys/poll.h> |
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#endif |
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#include "inet.h" |
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#include "compat.h" |
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#include "config.h" |
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#include "irc.h" |
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#include "log.h" |
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#include "opercmd.h" |
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#include "stats.h" |
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#include "dnsbl.h" |
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#include "extern.h" |
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#include "options.h" |
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#include "negcache.h" |
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#include "malloc.h" |
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#include "match.h" |
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#include "scan.h" |
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/* Libopm */ |
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#include "libopm/src/opm.h" |
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#include "libopm/src/opm_common.h" |
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#include "libopm/src/opm_error.h" |
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#include "libopm/src/opm_types.h" |
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/* GLOBAL LISTS */ |
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static list_t *SCANNERS = NULL; /* List of OPM_T */ |
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static list_t *MASKS = NULL; /* Associative list of masks->scanners */ |
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/* Negative Cache */ |
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struct cnode *nc_head; |
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/* Function declarations */ |
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struct scan_struct *scan_create(char **, char *); |
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void scan_free(struct scan_struct *); |
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michael |
5072 |
static void scan_irckline(struct scan_struct *, const char *, const char *); |
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michael |
5052 |
static void scan_negative(struct scan_struct *); |
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static void scan_log(OPM_REMOTE_T *); |
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/** Callbacks for LIBOPM */ |
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void scan_open_proxy(OPM_T *, OPM_REMOTE_T *, int, void *); |
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void scan_negotiation_failed(OPM_T *, OPM_REMOTE_T *, int, void *); |
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static void scan_timeout(OPM_T *, OPM_REMOTE_T *, int, void *); |
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static void scan_end(OPM_T *, OPM_REMOTE_T *, int, void *); |
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static void scan_handle_error(OPM_T *, OPM_REMOTE_T *, int, void *); |
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extern FILE *scanlogfile; |
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michael |
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michael |
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/* scan_cycle |
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* |
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* Perform scanner tasks. |
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*/ |
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michael |
5114 |
void |
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scan_cycle(void) |
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michael |
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{ |
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michael |
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node_t *p; |
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michael |
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|
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michael |
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/* Cycle through the blacklist first.. */ |
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dnsbl_cycle(); |
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michael |
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|
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michael |
5114 |
/* Cycle each scanner object */ |
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LIST_FOREACH(p, SCANNERS->head) |
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{ |
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struct scanner_struct *scs = p->data; |
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opm_cycle(scs->scanner); |
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} |
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michael |
5052 |
} |
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/* scan_timer |
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* |
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* Perform actions that are to be performed every ~1 second. |
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* |
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* Parameters: NONE |
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* Return: NONE |
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* |
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*/ |
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michael |
5114 |
void |
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scan_timer(void) |
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michael |
5052 |
{ |
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michael |
5114 |
static int nc_counter; |
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michael |
5052 |
|
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michael |
5114 |
if (OptionsItem->negcache > 0) |
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{ |
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if (nc_counter++ >= NEG_CACHE_REBUILD) |
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{ |
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/* |
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* Time to rebuild the negative |
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* cache. |
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*/ |
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if (OPT_DEBUG) |
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log_printf("SCAN -> Rebuilding negative cache"); |
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michael |
5052 |
|
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michael |
5114 |
negcache_rebuild(); |
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nc_counter = 0; |
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} |
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} |
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michael |
5052 |
} |
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/* scan_gettype(int protocol) |
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* |
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* Return human readable name of OPM PROTOCOL given OPM_TYPE_PROTOCOL |
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* |
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* Parameters: |
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* protocol: Protocol to return (from libopm/src/opm_types.h) |
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* |
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* Return: |
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* Pointer to static string containing human readable form of protocol |
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* name |
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* |
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*/ |
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michael |
5114 |
const char * |
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scan_gettype(int protocol) |
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michael |
5052 |
{ |
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michael |
5114 |
static const char *undef = "undefined"; |
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static struct protocol_assoc protocols[] = |
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{ |
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{ OPM_TYPE_HTTP, "HTTP" }, |
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{ OPM_TYPE_HTTPPOST, "HTTPPOST" }, |
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{ OPM_TYPE_SOCKS4, "SOCKS4" }, |
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{ OPM_TYPE_SOCKS5, "SOCKS5" }, |
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{ OPM_TYPE_WINGATE, "WINGATE" }, |
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{ OPM_TYPE_ROUTER, "ROUTER" } |
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}; |
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michael |
5052 |
|
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michael |
5116 |
for (unsigned int i = 0; i < (sizeof(protocols) / sizeof(struct protocol_assoc)); ++i) |
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michael |
5114 |
if (protocol == protocols[i].type) |
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return protocols[i].name; |
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michael |
5052 |
|
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michael |
5114 |
return undef; |
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michael |
5052 |
} |
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/* scan_init |
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Initialize scanner and masks list based on configuration. |
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Parameters: |
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None |
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Return: |
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None |
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*/ |
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michael |
5114 |
void |
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scan_init(void) |
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michael |
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{ |
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michael |
5116 |
node_t *p, *p2, *p3, *p4, *node; |
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struct UserConf *uc; |
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struct ScannerConf *sc; |
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struct ProtocolConf *pc; |
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struct scanner_struct *scs; |
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char *mask; |
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char *scannername; |
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michael |
5052 |
|
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michael |
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/* FIXME: If rehash code is ever added, cleanup would need done here. */ |
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michael |
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|
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michael |
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SCANNERS = list_create(); |
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MASKS = list_create(); |
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michael |
5052 |
|
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michael |
5116 |
/* Setup each individual scanner */ |
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LIST_FOREACH(p, ScannerItemList->head) |
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{ |
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sc = p->data; |
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scs = MyMalloc(sizeof *scs); |
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michael |
5052 |
|
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michael |
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if (OPT_DEBUG) |
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log_printf("SCAN -> Setting up scanner [%s]", sc->name); |
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michael |
5052 |
|
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michael |
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/* Build the scanner */ |
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scs->scanner = opm_create(); |
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scs->name = xstrdup(sc->name); |
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scs->masks = list_create(); |
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michael |
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|
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michael |
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/* Setup configuration */ |
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michael |
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opm_config(scs->scanner, OPM_CONFIG_FD_LIMIT, &sc->fd); |
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michael |
5116 |
opm_config(scs->scanner, OPM_CONFIG_SCAN_IP, sc->target_ip); |
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michael |
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opm_config(scs->scanner, OPM_CONFIG_SCAN_PORT, &sc->target_port); |
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opm_config(scs->scanner, OPM_CONFIG_TIMEOUT, &sc->timeout); |
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opm_config(scs->scanner, OPM_CONFIG_MAX_READ, &sc->max_read); |
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michael |
5116 |
opm_config(scs->scanner, OPM_CONFIG_BIND_IP, sc->vhost); |
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michael |
5052 |
|
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michael |
5116 |
/* add target strings */ |
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LIST_FOREACH(p2, sc->target_string->head) |
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opm_config(scs->scanner, OPM_CONFIG_TARGET_STRING, (char *) p2->data); |
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michael |
5052 |
|
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michael |
5116 |
/* Setup callbacks */ |
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opm_callback(scs->scanner, OPM_CALLBACK_OPENPROXY, &scan_open_proxy, scs); |
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opm_callback(scs->scanner, OPM_CALLBACK_NEGFAIL, &scan_negotiation_failed, scs); |
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opm_callback(scs->scanner, OPM_CALLBACK_TIMEOUT, &scan_timeout, scs); |
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opm_callback(scs->scanner, OPM_CALLBACK_END, &scan_end, scs); |
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opm_callback(scs->scanner, OPM_CALLBACK_ERROR, &scan_handle_error, scs); |
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michael |
5052 |
|
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michael |
5116 |
/* Setup the protocols */ |
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LIST_FOREACH(p2, sc->protocols->head) |
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{ |
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pc = p2->data; |
252 |
michael |
5052 |
|
253 |
michael |
5116 |
if (OPT_DEBUG >= 2) |
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log_printf("SCAN -> Adding protocol %s:%d to scanner [%s]", |
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scan_gettype(pc->type), pc->port, scs->name); |
256 |
michael |
5052 |
|
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michael |
5116 |
if (opm_addtype(scs->scanner, pc->type, pc->port) == OPM_ERR_BADPROTOCOL) |
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log_printf("SCAN -> Error bad protocol %s:%d in scanner [%s]", |
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scan_gettype(pc->type), pc->port, scs->name); |
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} |
261 |
michael |
5052 |
|
262 |
michael |
5116 |
node = node_create(scs); |
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list_add(SCANNERS, node); |
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} |
265 |
michael |
5052 |
|
266 |
michael |
5116 |
/* Give scanners a list of masks they scan */ |
267 |
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LIST_FOREACH(p, SCANNERS->head) |
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{ |
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scs = p->data; |
270 |
michael |
5052 |
|
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michael |
5116 |
LIST_FOREACH(p2, UserItemList->head) |
272 |
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{ |
273 |
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uc = p2->data; |
274 |
michael |
5052 |
|
275 |
michael |
5116 |
LIST_FOREACH(p3, uc->scanners->head) |
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{ |
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scannername = p3->data; |
278 |
michael |
5052 |
|
279 |
michael |
5116 |
/* Add all these masks to scanner */ |
280 |
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if (strcasecmp(scannername, scs->name) == 0) |
281 |
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{ |
282 |
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LIST_FOREACH(p4, uc->masks->head) |
283 |
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{ |
284 |
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mask = p4->data; |
285 |
michael |
5052 |
|
286 |
michael |
5116 |
if (OPT_DEBUG) |
287 |
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log_printf("SCAN -> Linking the mask [%s] to scanner [%s]", mask, scannername); |
288 |
michael |
5052 |
|
289 |
michael |
5116 |
node = node_create(xstrdup(mask)); |
290 |
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list_add(scs->masks, node); |
291 |
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} |
292 |
michael |
5052 |
|
293 |
michael |
5116 |
break; |
294 |
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} |
295 |
michael |
5052 |
} |
296 |
michael |
5116 |
} |
297 |
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} |
298 |
michael |
5052 |
|
299 |
michael |
5116 |
/* Initialise negative cache */ |
300 |
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if (OptionsItem->negcache > 0) |
301 |
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{ |
302 |
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if (OPT_DEBUG >= 2) |
303 |
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log_printf("SCAN -> Initializing negative cache"); |
304 |
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305 |
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nc_init(&nc_head); |
306 |
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} |
307 |
michael |
5052 |
} |
308 |
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309 |
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310 |
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/* scan_connect |
311 |
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* |
312 |
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* scan_connect is called when m_notice (irc.c) matches a connection |
313 |
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* notice and parses the connecting user out of it. |
314 |
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* |
315 |
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* Parameters: |
316 |
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* user: Parsed items from the connection notice: |
317 |
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* user[0] = connecting users nickname |
318 |
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* user[1] = connecting users username |
319 |
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* user[2] = connecting users hostname |
320 |
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* user[3] = connecting users IP |
321 |
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* msg = Original connect notice |
322 |
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* Return: NONE |
323 |
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* |
324 |
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*/ |
325 |
michael |
5116 |
void |
326 |
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scan_connect(char **user, char *msg) |
327 |
michael |
5052 |
{ |
328 |
michael |
5116 |
struct bopm_sockaddr ip; |
329 |
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node_t *p, *p2; |
330 |
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struct scan_struct *ss; |
331 |
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struct scanner_struct *scs; |
332 |
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char *scsmask; |
333 |
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int ret; |
334 |
michael |
5052 |
|
335 |
michael |
5116 |
/* |
336 |
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* Have to use MSGLENMAX here because it is unknown what the max size of |
337 |
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* username/hostname can be. Some ircds use really mad values for |
338 |
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* these. |
339 |
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*/ |
340 |
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static char mask[MSGLENMAX]; |
341 |
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static char ipmask[MSGLENMAX]; |
342 |
michael |
5052 |
|
343 |
michael |
5116 |
/* Check negcache before anything */ |
344 |
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if (OptionsItem->negcache > 0) |
345 |
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{ |
346 |
michael |
5052 |
if (!inet_pton(AF_INET, user[3], &(ip.sa4.sin_addr))) |
347 |
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{ |
348 |
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log_printf("SCAN -> Invalid IPv4 address '%s'!", user[3]); |
349 |
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return; |
350 |
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} |
351 |
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else |
352 |
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{ |
353 |
michael |
5116 |
if (check_neg_cache(ip.sa4.sin_addr.s_addr)) |
354 |
michael |
5052 |
{ |
355 |
michael |
5116 |
if (OPT_DEBUG) |
356 |
michael |
5052 |
log_printf("SCAN -> %s!%s@%s (%s) is negatively cached. " |
357 |
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"Skipping all tests.", user[0], user[1], user[2], |
358 |
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user[3]); |
359 |
michael |
5116 |
|
360 |
michael |
5052 |
return; |
361 |
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} |
362 |
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} |
363 |
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} |
364 |
|
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|
365 |
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/* Generate user mask */ |
366 |
|
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snprintf(mask, MSGLENMAX, "%s!%s@%s", user[0], user[1], user[2]); |
367 |
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snprintf(ipmask, MSGLENMAX, "%s!%s@%s", user[0], user[1], user[3]); |
368 |
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369 |
|
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/* Check exempt list now that we have a mask */ |
370 |
michael |
5116 |
if (scan_checkexempt(mask, ipmask)) |
371 |
michael |
5052 |
{ |
372 |
michael |
5116 |
if (OPT_DEBUG) |
373 |
michael |
5052 |
log_printf("SCAN -> %s is exempt from scanning", mask); |
374 |
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return; |
375 |
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} |
376 |
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|
377 |
|
|
/* create scan_struct */ |
378 |
|
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ss = scan_create(user, msg); |
379 |
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|
380 |
|
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/* Store ss in the remote struct, so that in callbacks we have ss */ |
381 |
|
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ss->remote->data = ss; |
382 |
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|
383 |
|
|
/* Start checking our DNSBLs */ |
384 |
michael |
5116 |
if (LIST_SIZE(OpmItem->blacklists) > 0) |
385 |
michael |
5052 |
dnsbl_add(ss); |
386 |
|
|
|
387 |
|
|
/* Add ss->remote to all matching scanners */ |
388 |
|
|
LIST_FOREACH(p, SCANNERS->head) |
389 |
|
|
{ |
390 |
michael |
5091 |
scs = p->data; |
391 |
michael |
5052 |
LIST_FOREACH(p2, scs->masks->head) |
392 |
|
|
{ |
393 |
michael |
5091 |
scsmask = p2->data; |
394 |
michael |
5116 |
if (!match(scsmask, mask)) |
395 |
michael |
5052 |
{ |
396 |
michael |
5116 |
if (OPT_DEBUG) |
397 |
michael |
5052 |
log_printf("SCAN -> Passing %s to scanner [%s]", mask, |
398 |
|
|
scs->name); |
399 |
|
|
|
400 |
michael |
5116 |
if ((ret = opm_scan(scs->scanner, ss->remote)) != OPM_SUCCESS) |
401 |
michael |
5052 |
{ |
402 |
michael |
5116 |
switch (ret) |
403 |
michael |
5052 |
{ |
404 |
|
|
case OPM_ERR_NOPROTOCOLS: |
405 |
|
|
continue; |
406 |
|
|
break; |
407 |
|
|
case OPM_ERR_BADADDR: |
408 |
|
|
log_printf("OPM -> Bad address %s [%s].", |
409 |
|
|
(ss->manual_target ? ss->manual_target->name : |
410 |
|
|
"(unknown)"), ss->ip); |
411 |
|
|
break; |
412 |
|
|
default: |
413 |
|
|
log_printf("OPM -> Unknown error %s [%s].", |
414 |
|
|
(ss->manual_target ? ss->manual_target->name : |
415 |
|
|
"(unknown)"), ss->ip); |
416 |
|
|
break; |
417 |
|
|
} |
418 |
|
|
} |
419 |
|
|
else |
420 |
michael |
5116 |
++ss->scans; /* Increase scan count only if OPM_SUCCESS */ |
421 |
michael |
5052 |
|
422 |
michael |
5116 |
break; /* Continue to next scanner */ |
423 |
michael |
5052 |
} |
424 |
|
|
} |
425 |
|
|
} |
426 |
|
|
|
427 |
michael |
5116 |
/* All scanners returned !OPM_SUCCESS and there were no dnsbl checks */ |
428 |
|
|
if (ss->scans == 0) |
429 |
|
|
scan_free(ss); |
430 |
michael |
5052 |
} |
431 |
|
|
|
432 |
|
|
/* scan_create |
433 |
|
|
* |
434 |
michael |
5116 |
* Allocate scan struct, including user information and REMOTE |
435 |
michael |
5052 |
* for LIBOPM. |
436 |
|
|
* |
437 |
|
|
* Parameters: |
438 |
|
|
* user: Parsed items from the connection notice: |
439 |
|
|
* user[0] = connecting users nickname |
440 |
|
|
* user[1] = connecting users username |
441 |
|
|
* user[2] = connecting users hostname |
442 |
|
|
* user[3] = connecting users IP |
443 |
|
|
* msg = Original connect notice (used as PROOF) |
444 |
|
|
* |
445 |
|
|
* Return: Pointer to new scan_struct |
446 |
|
|
* |
447 |
|
|
*/ |
448 |
michael |
5116 |
struct scan_struct * |
449 |
|
|
scan_create(char **user, char *msg) |
450 |
michael |
5052 |
{ |
451 |
michael |
5116 |
struct scan_struct *ss = MyMalloc(sizeof *ss); |
452 |
michael |
5052 |
|
453 |
michael |
5116 |
ss->irc_nick = xstrdup(user[0]); |
454 |
|
|
ss->irc_username = xstrdup(user[1]); |
455 |
|
|
ss->irc_hostname = xstrdup(user[2]); |
456 |
|
|
ss->ip = xstrdup(user[3]); |
457 |
|
|
ss->proof = xstrdup(msg); |
458 |
michael |
5052 |
|
459 |
michael |
5116 |
ss->remote = opm_remote_create(ss->ip); |
460 |
|
|
ss->scans = 0; |
461 |
|
|
ss->positive = 0; |
462 |
|
|
ss->manual_target = NULL; |
463 |
michael |
5052 |
|
464 |
michael |
5116 |
assert(ss->remote); |
465 |
|
|
return ss; |
466 |
michael |
5052 |
} |
467 |
|
|
|
468 |
|
|
/* scan_free |
469 |
|
|
* |
470 |
|
|
* Free a scan_struct. This should only be done if the scan struct has |
471 |
|
|
* no scans left! |
472 |
|
|
* |
473 |
|
|
* Parameters: |
474 |
|
|
* ss: scan_struct to free |
475 |
michael |
5116 |
* |
476 |
michael |
5052 |
* Return: NONE |
477 |
|
|
*/ |
478 |
michael |
5114 |
void |
479 |
|
|
scan_free(struct scan_struct *ss) |
480 |
michael |
5052 |
{ |
481 |
michael |
5114 |
if (ss == NULL) |
482 |
|
|
return; |
483 |
michael |
5052 |
|
484 |
michael |
5114 |
MyFree(ss->irc_nick); |
485 |
|
|
MyFree(ss->irc_username); |
486 |
|
|
MyFree(ss->irc_hostname); |
487 |
|
|
MyFree(ss->ip); |
488 |
|
|
MyFree(ss->proof); |
489 |
michael |
5052 |
|
490 |
michael |
5114 |
opm_remote_free(ss->remote); |
491 |
|
|
MyFree(ss); |
492 |
michael |
5052 |
} |
493 |
|
|
|
494 |
|
|
/* scan_checkfinished |
495 |
|
|
* |
496 |
|
|
* Check if a scan is complete (ss->scans <= 0) |
497 |
|
|
* and free it if need be. |
498 |
|
|
*/ |
499 |
michael |
5114 |
void |
500 |
|
|
scan_checkfinished(struct scan_struct *ss) |
501 |
michael |
5052 |
{ |
502 |
michael |
5116 |
if (ss->scans <= 0) |
503 |
|
|
{ |
504 |
|
|
if (ss->manual_target) |
505 |
|
|
irc_send("PRIVMSG %s :CHECK -> All tests on %s completed.", |
506 |
michael |
5052 |
ss->manual_target->name, ss->ip); |
507 |
michael |
5116 |
else |
508 |
|
|
{ |
509 |
|
|
if (OPT_DEBUG) |
510 |
|
|
/* If there was a manual_target, then irc_nick, etc is NULL. */ |
511 |
|
|
log_printf("SCAN -> All tests on %s!%s@%s complete.", |
512 |
|
|
ss->irc_nick, ss->irc_username, ss->irc_hostname); |
513 |
michael |
5052 |
|
514 |
michael |
5116 |
/* Scan was a negative */ |
515 |
|
|
if (!ss->positive) |
516 |
|
|
scan_negative(ss); |
517 |
|
|
} |
518 |
michael |
5052 |
|
519 |
michael |
5116 |
scan_free(ss); |
520 |
|
|
} |
521 |
michael |
5052 |
} |
522 |
|
|
|
523 |
|
|
/* scan_positive |
524 |
|
|
* |
525 |
|
|
* Remote host (defined by ss) has been found positive by one or more |
526 |
|
|
* tests. |
527 |
|
|
* |
528 |
|
|
* Parameters: |
529 |
michael |
5116 |
* ss: scan_struct containing information regarding positive host |
530 |
michael |
5052 |
* kline: command to send to IRC server to ban the user (see scan_irckline) |
531 |
|
|
* type: string of the type of proxy found to be running on the host |
532 |
|
|
* |
533 |
|
|
* Return: NONE |
534 |
|
|
* |
535 |
|
|
*/ |
536 |
michael |
5114 |
void |
537 |
|
|
scan_positive(struct scan_struct *ss, const char *kline, const char *type) |
538 |
michael |
5052 |
{ |
539 |
michael |
5114 |
node_t *node; |
540 |
michael |
5052 |
|
541 |
michael |
5114 |
/* If already a positive, don't kline/close again */ |
542 |
|
|
if (ss->positive) |
543 |
|
|
return; |
544 |
michael |
5052 |
|
545 |
michael |
5114 |
/* Format KLINE and send to IRC server */ |
546 |
|
|
scan_irckline(ss, kline, type); |
547 |
michael |
5052 |
|
548 |
michael |
5114 |
/* Speed up the cleanup procedure */ |
549 |
|
|
/* Close all scans prematurely */ |
550 |
|
|
LIST_FOREACH(node, SCANNERS->head) |
551 |
|
|
{ |
552 |
|
|
OPM_T *scanner = ((struct scanner_struct *)node->data)->scanner; |
553 |
|
|
opm_end(scanner, ss->remote); |
554 |
|
|
} |
555 |
michael |
5052 |
|
556 |
michael |
5114 |
/* Set it as a positive (to avoid a scan_negative call later on */ |
557 |
|
|
ss->positive = 1; |
558 |
michael |
5052 |
} |
559 |
|
|
|
560 |
|
|
/* scan_open_proxy CALLBACK |
561 |
|
|
* |
562 |
|
|
* Called by libopm when a proxy is verified open. |
563 |
|
|
* |
564 |
|
|
* Parameters: |
565 |
|
|
* scanner: Scanner that found the open proxy. |
566 |
|
|
* remote: Remote struct containing information regarding remote end |
567 |
|
|
* |
568 |
|
|
* Return: NONE |
569 |
|
|
*/ |
570 |
michael |
5114 |
void |
571 |
|
|
scan_open_proxy(OPM_T *scanner, OPM_REMOTE_T *remote, int notused, void *data) |
572 |
michael |
5052 |
{ |
573 |
michael |
5116 |
struct scan_struct *ss; |
574 |
|
|
struct scanner_struct *scs; |
575 |
michael |
5052 |
|
576 |
michael |
5116 |
/* Record that a scan happened */ |
577 |
|
|
scan_log(remote); |
578 |
michael |
5052 |
|
579 |
michael |
5116 |
scs = data; |
580 |
|
|
ss = remote->data; |
581 |
michael |
5052 |
|
582 |
michael |
5116 |
if (ss->manual_target == NULL) |
583 |
|
|
{ |
584 |
|
|
/* kline and close scan */ |
585 |
|
|
scan_positive(ss, IRCItem->kline, scan_gettype(remote->protocol)); |
586 |
michael |
5052 |
|
587 |
michael |
5116 |
/* Report to blacklist */ |
588 |
|
|
dnsbl_report(ss); |
589 |
michael |
5052 |
|
590 |
michael |
5116 |
irc_send_channels("OPEN PROXY -> %s!%s@%s %s:%d (%s) [%s]", |
591 |
|
|
ss->irc_nick, ss->irc_username, ss->irc_hostname, remote->ip, |
592 |
|
|
remote->port, scan_gettype(remote->protocol), scs->name); |
593 |
|
|
log_printf("SCAN -> OPEN PROXY %s!%s@%s %s:%d (%s) [%s]", |
594 |
|
|
ss->irc_nick, ss->irc_username, ss->irc_hostname, remote->ip, |
595 |
|
|
remote->port, scan_gettype(remote->protocol), scs->name); |
596 |
|
|
} |
597 |
|
|
else |
598 |
|
|
{ |
599 |
|
|
irc_send("PRIVMSG %s :CHECK -> OPEN PROXY %s:%d (%s) [%s]", |
600 |
|
|
ss->manual_target->name, remote->ip, remote->port, |
601 |
|
|
scan_gettype(remote->protocol), scs->name); |
602 |
|
|
log_printf("SCAN -> OPEN PROXY %s:%d (%s) [%s]", remote->ip, |
603 |
|
|
remote->port, scan_gettype(remote->protocol), scs->name); |
604 |
|
|
} |
605 |
michael |
5052 |
|
606 |
michael |
5116 |
/* Record the proxy for stats purposes */ |
607 |
|
|
stats_openproxy(remote->protocol); |
608 |
michael |
5052 |
} |
609 |
|
|
|
610 |
|
|
/* scan_negotiation_failed CALLBACK |
611 |
|
|
* |
612 |
|
|
* Called by libopm when negotiation of a specific protocol failed. |
613 |
|
|
* |
614 |
|
|
* Parameters: |
615 |
|
|
* scanner: Scanner where the negotiation failed. |
616 |
|
|
* remote: Remote struct containing information regarding remote end |
617 |
|
|
* |
618 |
|
|
* Return: NONE |
619 |
|
|
* |
620 |
|
|
*/ |
621 |
michael |
5116 |
void |
622 |
|
|
scan_negotiation_failed(OPM_T *scanner, OPM_REMOTE_T *remote, int notused, void *data) |
623 |
michael |
5052 |
{ |
624 |
michael |
5116 |
//struct scan_struct *ss; |
625 |
|
|
struct scanner_struct *scs; |
626 |
michael |
5052 |
|
627 |
michael |
5116 |
/* Record that a scan happened */ |
628 |
|
|
scan_log(remote); |
629 |
michael |
5052 |
|
630 |
michael |
5116 |
scs = data; |
631 |
|
|
//ss = remote->data; |
632 |
michael |
5052 |
|
633 |
michael |
5116 |
if (OPT_DEBUG) |
634 |
|
|
log_printf("SCAN -> Negotiation failed %s:%d (%s) [%s] (%d bytes read)", |
635 |
|
|
remote->ip, remote->port, scan_gettype(remote->protocol), |
636 |
|
|
scs->name, remote->bytes_read); |
637 |
michael |
5052 |
/* |
638 |
michael |
5116 |
if (ss->manual_target) |
639 |
|
|
irc_send("PRIVMSG %s :CHECK -> Negotiation failed %s:%d (%s) [%s] " |
640 |
|
|
"(%d bytes read)", ss->manual_target->name, remote->ip, |
641 |
|
|
remote->port, scan_gettype(remote->protocol), scs->name, |
642 |
|
|
remote->bytes_read); |
643 |
michael |
5052 |
*/ |
644 |
|
|
} |
645 |
|
|
|
646 |
|
|
/* scan_timeout CALLBACK |
647 |
|
|
* |
648 |
|
|
* Called by libopm when the negotiation of a specific protocol timed out. |
649 |
|
|
* |
650 |
|
|
* Parameters: |
651 |
|
|
* scanner: Scanner where the connection timed out. |
652 |
|
|
* remote: Remote struct containing information regarding remote end |
653 |
|
|
* |
654 |
|
|
* Return: NONE |
655 |
|
|
* |
656 |
|
|
*/ |
657 |
michael |
5116 |
static void |
658 |
|
|
scan_timeout(OPM_T *scanner, OPM_REMOTE_T *remote, int notused, void *data) |
659 |
michael |
5052 |
{ |
660 |
michael |
5116 |
//struct scan_struct *ss; |
661 |
|
|
struct scanner_struct *scs; |
662 |
michael |
5052 |
|
663 |
michael |
5116 |
/* Record that a scan happened */ |
664 |
|
|
scan_log(remote); |
665 |
michael |
5052 |
|
666 |
michael |
5116 |
scs = data; |
667 |
|
|
//ss = remote->data; |
668 |
michael |
5052 |
|
669 |
michael |
5116 |
if (OPT_DEBUG) |
670 |
|
|
log_printf("SCAN -> Negotiation timed out %s:%d (%s) [%s] (%d bytes read)", |
671 |
|
|
remote->ip, remote->port, |
672 |
|
|
scan_gettype(remote->protocol), scs->name, |
673 |
|
|
remote->bytes_read); |
674 |
michael |
5052 |
/* |
675 |
michael |
5116 |
if (ss->manual_target) |
676 |
|
|
irc_send("PRIVMSG %s :CHECK -> Negotiation timed out %s:%d (%s) [%s] " |
677 |
|
|
"(%d bytes read)", ss->manual_target->name, remote->ip, |
678 |
|
|
remote->port, scan_gettype(remote->protocol), scs->name, |
679 |
|
|
remote->bytes_read); |
680 |
michael |
5052 |
*/ |
681 |
|
|
} |
682 |
|
|
|
683 |
|
|
/* scan_end CALLBACK |
684 |
|
|
* |
685 |
|
|
* Called by libopm when a specific SCAN has completed (all protocols in |
686 |
|
|
* that scan). |
687 |
|
|
* |
688 |
|
|
* Parameters: |
689 |
|
|
* scanner: Scanner the scan ended on. |
690 |
|
|
* remote: Remote struct containing information regarding remote end |
691 |
|
|
* |
692 |
|
|
* Return: NONE |
693 |
|
|
*/ |
694 |
michael |
5116 |
static void |
695 |
|
|
scan_end(OPM_T *scanner, OPM_REMOTE_T *remote, int notused, void *data) |
696 |
michael |
5052 |
{ |
697 |
michael |
5116 |
struct scan_struct *ss; |
698 |
|
|
struct scanner_struct *scs; |
699 |
michael |
5052 |
|
700 |
michael |
5116 |
scs = data; |
701 |
|
|
ss = remote->data; |
702 |
michael |
5052 |
|
703 |
michael |
5116 |
if (OPT_DEBUG) |
704 |
|
|
log_printf("SCAN -> Scan %s [%s] completed", remote->ip, scs->name); |
705 |
michael |
5052 |
|
706 |
michael |
5116 |
--ss->scans; |
707 |
|
|
scan_checkfinished(ss); |
708 |
michael |
5052 |
} |
709 |
|
|
|
710 |
|
|
/* scan_handle_error CALLBACK |
711 |
|
|
* |
712 |
|
|
* Called by libopm when an error occurs with a specific connection. This |
713 |
|
|
* does not mean the entire scan has ended. |
714 |
|
|
* |
715 |
|
|
* Parameters: |
716 |
|
|
* scanner: Scanner where the error occured. |
717 |
|
|
* remote: Remote struct containing information regarding remote end |
718 |
|
|
* err: OPM_ERROR code describing the error. |
719 |
|
|
* |
720 |
|
|
* Return: NONE |
721 |
|
|
*/ |
722 |
michael |
5116 |
static void |
723 |
|
|
scan_handle_error(OPM_T *scanner, OPM_REMOTE_T *remote, int err, void *data) |
724 |
michael |
5052 |
{ |
725 |
michael |
5116 |
struct scan_struct *ss; |
726 |
|
|
struct scanner_struct *scs; |
727 |
michael |
5052 |
|
728 |
michael |
5116 |
scs = data; |
729 |
|
|
ss = remote->data; |
730 |
michael |
5052 |
|
731 |
michael |
5116 |
switch (err) |
732 |
|
|
{ |
733 |
michael |
5052 |
case OPM_ERR_MAX_READ: |
734 |
michael |
5116 |
if (OPT_DEBUG >= 2) |
735 |
michael |
5052 |
log_printf("SCAN -> Max read on %s:%d (%s) [%s] (%d bytes read)", |
736 |
|
|
remote->ip, remote->port, scan_gettype(remote->protocol), |
737 |
|
|
scs->name, remote->bytes_read); |
738 |
michael |
5114 |
|
739 |
michael |
5116 |
if (ss->manual_target) |
740 |
michael |
5052 |
irc_send("PRIVMSG %s :CHECK -> Negotiation failed %s:%d (%s) " |
741 |
|
|
"[%s] (%d bytes read)", ss->manual_target->name, |
742 |
|
|
remote->ip, remote->port, scan_gettype(remote->protocol), |
743 |
|
|
scs->name, remote->bytes_read); |
744 |
michael |
5116 |
|
745 |
michael |
5052 |
break; |
746 |
|
|
case OPM_ERR_BIND: |
747 |
|
|
log_printf("SCAN -> Bind error on %s:%d (%s) [%s]", remote->ip, |
748 |
|
|
remote->port, scan_gettype(remote->protocol), scs->name); |
749 |
|
|
break; |
750 |
|
|
case OPM_ERR_NOFD: |
751 |
|
|
log_printf("SCAN -> File descriptor allocation error %s:%d (%s) " |
752 |
|
|
"[%s]", remote->ip, remote->port, |
753 |
|
|
scan_gettype(remote->protocol), scs->name); |
754 |
michael |
5114 |
|
755 |
michael |
5116 |
if (ss->manual_target) |
756 |
michael |
5052 |
irc_send("PRIVMSG %s :CHECK -> Scan failed %s:%d (%s) [%s] " |
757 |
|
|
"(file descriptor allocation error)", |
758 |
|
|
ss->manual_target->name, remote->ip, remote->port, |
759 |
|
|
scan_gettype(remote->protocol), scs->name); |
760 |
|
|
break; |
761 |
michael |
5116 |
default: /* Unknown Error! */ |
762 |
|
|
if (OPT_DEBUG) |
763 |
|
|
log_printf("SCAN -> Unknown error %s:%d (%s) [%s]", remote->ip, |
764 |
michael |
5052 |
remote->port, scan_gettype(remote->protocol), scs->name); |
765 |
|
|
break; |
766 |
michael |
5116 |
} |
767 |
michael |
5052 |
} |
768 |
|
|
|
769 |
|
|
/* scan_negative |
770 |
|
|
* |
771 |
|
|
* Remote host (defined by ss) has passed all tests. |
772 |
|
|
* |
773 |
|
|
* Parameters: |
774 |
|
|
* ss: scan_struct containing information regarding negative host. |
775 |
|
|
* |
776 |
|
|
* Return: NONE |
777 |
|
|
* |
778 |
|
|
*/ |
779 |
michael |
5114 |
static void |
780 |
|
|
scan_negative(struct scan_struct *ss) |
781 |
|
|
{ |
782 |
|
|
/* Insert IP in negcache */ |
783 |
|
|
if (OptionsItem->negcache > 0) |
784 |
|
|
{ |
785 |
|
|
if (OPT_DEBUG >= 2) |
786 |
|
|
log_printf("SCAN -> Adding %s to negative cache", ss->ip); |
787 |
michael |
5052 |
|
788 |
michael |
5114 |
negcache_insert(ss->ip); |
789 |
|
|
} |
790 |
michael |
5052 |
} |
791 |
|
|
|
792 |
|
|
/* scan_irckline |
793 |
|
|
* |
794 |
|
|
* ss has been found as a positive host and is to be klined. |
795 |
|
|
* Format a kline message using the kline message provided |
796 |
|
|
* as a format, then pass it to irc_send() to be sent to the remote server. |
797 |
|
|
* |
798 |
|
|
* Parameters: |
799 |
|
|
* ss: scan_struct containing information regarding host to be klined |
800 |
|
|
* format: kline message to format |
801 |
|
|
* type: type of proxy found (%t format character) |
802 |
|
|
* |
803 |
|
|
* Return: NONE |
804 |
|
|
* |
805 |
|
|
*/ |
806 |
michael |
5114 |
static void |
807 |
|
|
scan_irckline(struct scan_struct *ss, const char *format, const char *type) |
808 |
michael |
5052 |
{ |
809 |
michael |
5114 |
char message[MSGLENMAX]; /* OUTPUT */ |
810 |
michael |
5052 |
|
811 |
michael |
5114 |
unsigned int pos = 0; /* position in format */ |
812 |
|
|
unsigned int len = 0; /* position in message */ |
813 |
|
|
unsigned int size = 0; /* temporary size buffer */ |
814 |
|
|
unsigned int i; |
815 |
|
|
struct kline_format_assoc table[] = |
816 |
|
|
{ |
817 |
|
|
{'i', NULL, FORMATTYPE_STRING }, |
818 |
|
|
{'h', NULL, FORMATTYPE_STRING }, |
819 |
|
|
{'u', NULL, FORMATTYPE_STRING }, |
820 |
|
|
{'n', NULL, FORMATTYPE_STRING }, |
821 |
|
|
{'t', NULL, FORMATTYPE_STRING } |
822 |
|
|
}; |
823 |
michael |
5052 |
|
824 |
michael |
5114 |
table[0].data = ss->ip; |
825 |
|
|
table[1].data = ss->irc_hostname; |
826 |
|
|
table[2].data = ss->irc_username; |
827 |
|
|
table[3].data = ss->irc_nick; |
828 |
|
|
table[4].data = type; |
829 |
michael |
5052 |
|
830 |
michael |
5114 |
/* |
831 |
|
|
* Copy format to message character by character, inserting any matching |
832 |
|
|
* data after %. |
833 |
|
|
*/ |
834 |
|
|
while (format[pos] != '\0' && len < (MSGLENMAX - 2)) |
835 |
|
|
{ |
836 |
|
|
switch (format[pos]) |
837 |
|
|
{ |
838 |
michael |
5052 |
|
839 |
|
|
case '%': |
840 |
|
|
/* % is the last char in the string, move on */ |
841 |
|
|
if(format[pos + 1] == '\0') |
842 |
|
|
continue; |
843 |
|
|
|
844 |
|
|
/* %% escapes % and becomes % */ |
845 |
|
|
if(format[pos + 1] == '%') |
846 |
|
|
{ |
847 |
|
|
message[len++] = '%'; |
848 |
|
|
pos++; /* skip past the escaped % */ |
849 |
|
|
break; |
850 |
|
|
} |
851 |
|
|
|
852 |
|
|
/* Safe to check against table now */ |
853 |
|
|
for(i = 0; i < (sizeof(table) / sizeof(struct kline_format_assoc)); i++) |
854 |
|
|
{ |
855 |
|
|
if(table[i].key == format[pos + 1]) |
856 |
|
|
{ |
857 |
|
|
switch(table[i].type) |
858 |
|
|
{ |
859 |
|
|
case FORMATTYPE_STRING: |
860 |
|
|
|
861 |
michael |
5072 |
size = strlen(table[i].data); |
862 |
michael |
5052 |
|
863 |
|
|
/* Check if the new string can fit! */ |
864 |
|
|
if( (size + len) > (MSGLENMAX - 1) ) |
865 |
|
|
break; |
866 |
|
|
else |
867 |
|
|
{ |
868 |
michael |
5098 |
strlcat(message, table[i].data, sizeof(message)); |
869 |
michael |
5052 |
len += size; |
870 |
|
|
} |
871 |
|
|
|
872 |
|
|
default: |
873 |
|
|
break; |
874 |
|
|
} |
875 |
|
|
} |
876 |
|
|
} |
877 |
|
|
/* Skip key character */ |
878 |
|
|
pos++; |
879 |
|
|
break; |
880 |
|
|
|
881 |
|
|
default: |
882 |
|
|
message[len++] = format[pos]; |
883 |
|
|
message[len] = '\0'; |
884 |
|
|
break; |
885 |
|
|
} |
886 |
|
|
/* continue to next character in format */ |
887 |
|
|
pos++; |
888 |
michael |
5114 |
} |
889 |
|
|
|
890 |
|
|
irc_send("%s", message); |
891 |
michael |
5052 |
} |
892 |
|
|
|
893 |
|
|
/* scan_manual |
894 |
|
|
* |
895 |
|
|
* Create a manual scan. A manual scan is a scan where the |
896 |
|
|
* scan_struct contains a manual_target pointer. |
897 |
|
|
*/ |
898 |
michael |
5114 |
void |
899 |
|
|
scan_manual(char *param, struct ChannelConf *target) |
900 |
michael |
5052 |
{ |
901 |
michael |
5114 |
struct in_addr *addr; |
902 |
|
|
struct scan_struct *ss; |
903 |
|
|
struct scanner_struct *scs; |
904 |
|
|
char *ip; |
905 |
|
|
char *scannername; |
906 |
|
|
node_t *p; |
907 |
|
|
int ret; |
908 |
michael |
5052 |
|
909 |
michael |
5114 |
/* If there were no parameters sent, simply alert the user and return */ |
910 |
|
|
if (param == NULL) |
911 |
|
|
{ |
912 |
|
|
irc_send("PRIVMSG %s :OPM -> Invalid parameters.", target->name); |
913 |
|
|
return; |
914 |
|
|
} |
915 |
michael |
5052 |
|
916 |
michael |
5114 |
/* |
917 |
|
|
* Try to extract a scanner name from param, otherwise we'll be |
918 |
|
|
* adding to all scanners |
919 |
|
|
*/ |
920 |
|
|
ip = param; |
921 |
michael |
5052 |
|
922 |
michael |
5114 |
if ((scannername = strchr(param, ' '))) |
923 |
|
|
{ |
924 |
|
|
*scannername = '\0'; |
925 |
|
|
scannername++; |
926 |
|
|
} |
927 |
michael |
5052 |
|
928 |
michael |
5114 |
/* If IP is a hostname, resolve it using gethostbyname (which will block!) */ |
929 |
|
|
if ((addr = firedns_resolveip4(ip)) == NULL) |
930 |
|
|
{ |
931 |
|
|
irc_send("PRIVMSG %s :CHECK -> Error resolving host '%s': %s", |
932 |
michael |
5052 |
target->name, ip, firedns_strerror(fdns_errno)); |
933 |
michael |
5114 |
return; |
934 |
|
|
} |
935 |
michael |
5052 |
|
936 |
michael |
5114 |
/* IP = the resolved IP now (it was the ip OR hostname before) */ |
937 |
|
|
ip = inet_ntoa(*addr); |
938 |
michael |
5052 |
|
939 |
michael |
5114 |
ss = MyMalloc(sizeof *ss); |
940 |
michael |
5089 |
|
941 |
michael |
5114 |
/* These don't exist in a manual scan */ |
942 |
|
|
ss->irc_nick = NULL; |
943 |
|
|
ss->irc_username = NULL; |
944 |
|
|
ss->irc_hostname = NULL; |
945 |
|
|
ss->proof = NULL; |
946 |
michael |
5052 |
|
947 |
michael |
5114 |
ss->ip = xstrdup(ip); |
948 |
michael |
5052 |
|
949 |
michael |
5114 |
ss->remote = opm_remote_create(ss->ip); |
950 |
|
|
ss->remote->data = ss; |
951 |
|
|
ss->scans = 0; |
952 |
|
|
ss->positive = 0; |
953 |
michael |
5052 |
|
954 |
michael |
5114 |
ss->manual_target = target; |
955 |
michael |
5052 |
|
956 |
michael |
5114 |
assert(ss->remote); |
957 |
michael |
5052 |
|
958 |
michael |
5114 |
if (scannername) |
959 |
|
|
irc_send("PRIVMSG %s :CHECK -> Checking '%s' for open proxies [%s]", |
960 |
|
|
target->name, ip, scannername); |
961 |
|
|
else |
962 |
|
|
irc_send("PRIVMSG %s :CHECK -> Checking '%s' for open proxies on all " |
963 |
|
|
"scanners", target->name, ip); |
964 |
michael |
5052 |
|
965 |
michael |
5114 |
if (LIST_SIZE(OpmItem->blacklists) > 0) |
966 |
|
|
dnsbl_add(ss); |
967 |
michael |
5052 |
|
968 |
|
|
/* Add ss->remote to all scanners */ |
969 |
|
|
LIST_FOREACH(p, SCANNERS->head) |
970 |
|
|
{ |
971 |
michael |
5091 |
scs = p->data; |
972 |
michael |
5052 |
|
973 |
|
|
/* If we have a scannername, only allow that scanner |
974 |
|
|
to be used */ |
975 |
michael |
5114 |
if (scannername) |
976 |
|
|
if (strcasecmp(scannername, scs->name)) |
977 |
michael |
5052 |
continue; |
978 |
|
|
|
979 |
michael |
5114 |
if (OPT_DEBUG) |
980 |
michael |
5052 |
log_printf("SCAN -> Passing %s to scanner [%s] (MANUAL SCAN)", ip, |
981 |
|
|
scs->name); |
982 |
|
|
|
983 |
michael |
5114 |
if ((ret = opm_scan(scs->scanner, ss->remote)) != OPM_SUCCESS) |
984 |
michael |
5052 |
{ |
985 |
michael |
5114 |
switch (ret) |
986 |
michael |
5052 |
{ |
987 |
|
|
case OPM_ERR_NOPROTOCOLS: |
988 |
|
|
break; |
989 |
|
|
case OPM_ERR_BADADDR: |
990 |
|
|
irc_send("PRIVMSG %s :OPM -> Bad address %s [%s]", |
991 |
|
|
ss->manual_target->name, ss->ip, scs->name); |
992 |
|
|
break; |
993 |
|
|
default: |
994 |
|
|
irc_send("PRIVMSG %s :OPM -> Unknown error %s [%s]", |
995 |
|
|
ss->manual_target->name, ss->ip, scs->name); |
996 |
|
|
break; |
997 |
|
|
} |
998 |
|
|
} |
999 |
|
|
else |
1000 |
michael |
5116 |
++ss->scans; /* Increase scan count only if OPM_SUCCESS */ |
1001 |
michael |
5052 |
} |
1002 |
|
|
|
1003 |
michael |
5114 |
/* |
1004 |
|
|
* If all of the scanners gave !OPM_SUCCESS and there were no dnsbl checks, |
1005 |
|
|
* cleanup here |
1006 |
|
|
*/ |
1007 |
|
|
if (ss->scans == 0) |
1008 |
|
|
{ |
1009 |
|
|
if (scannername) |
1010 |
|
|
irc_send("PRIVMSG %s :CHECK -> No such scanner '%s', or '%s' has " |
1011 |
michael |
5052 |
"0 protocols.", ss->manual_target->name, scannername, |
1012 |
|
|
scannername); |
1013 |
|
|
|
1014 |
michael |
5114 |
irc_send("PRIVMSG %s :CHECK -> No scans active on '%s', aborting scan.", |
1015 |
|
|
ss->manual_target->name, ss->ip); |
1016 |
|
|
scan_free(ss); |
1017 |
|
|
} |
1018 |
michael |
5052 |
} |
1019 |
|
|
|
1020 |
|
|
/* scan_checkexempt |
1021 |
|
|
* |
1022 |
|
|
* Check mask against exempt list. |
1023 |
|
|
* |
1024 |
|
|
* Parameters: |
1025 |
|
|
* mask: Mask to check |
1026 |
|
|
* |
1027 |
|
|
* Return: |
1028 |
|
|
* 1 if mask is in list |
1029 |
|
|
* 0 if mask is not in list |
1030 |
|
|
*/ |
1031 |
michael |
5114 |
int |
1032 |
|
|
scan_checkexempt(char *mask, char *ipmask) |
1033 |
michael |
5052 |
{ |
1034 |
michael |
5114 |
node_t *node; |
1035 |
|
|
char *exempt_mask; |
1036 |
michael |
5052 |
|
1037 |
michael |
5114 |
LIST_FOREACH(node, ExemptItem->masks->head) |
1038 |
|
|
{ |
1039 |
|
|
exempt_mask = node->data; |
1040 |
michael |
5052 |
|
1041 |
michael |
5114 |
if (!match(exempt_mask, mask) || !match(exempt_mask, ipmask)) |
1042 |
|
|
return 1; |
1043 |
|
|
} |
1044 |
|
|
|
1045 |
|
|
return 0; |
1046 |
michael |
5052 |
} |
1047 |
|
|
|
1048 |
|
|
/* scan_log |
1049 |
|
|
* |
1050 |
|
|
* Log the fact that a given ip/port/protocol has just been scanned, if the |
1051 |
|
|
* user has asked for this to be logged. |
1052 |
|
|
* |
1053 |
|
|
* Parameters: |
1054 |
|
|
* remote: OPM_REMOTE_T for the remote end |
1055 |
|
|
*/ |
1056 |
michael |
5114 |
static void |
1057 |
|
|
scan_log(OPM_REMOTE_T *remote) |
1058 |
michael |
5052 |
{ |
1059 |
michael |
5114 |
char buf_present[25]; |
1060 |
|
|
time_t present; |
1061 |
|
|
struct tm *tm_present; |
1062 |
|
|
struct scan_struct *ss = remote->data; |
1063 |
michael |
5052 |
|
1064 |
michael |
5114 |
if (!(OptionsItem->scanlog && scanlogfile)) |
1065 |
|
|
return; |
1066 |
michael |
5052 |
|
1067 |
michael |
5114 |
time(&present); |
1068 |
|
|
tm_present = gmtime(&present); |
1069 |
|
|
strftime(buf_present, sizeof(buf_present), "%b %d %H:%M:%S %Y", tm_present); |
1070 |
michael |
5052 |
|
1071 |
michael |
5114 |
fprintf(scanlogfile, "[%s] %s:%d (%s) \"%s\"\n", buf_present, remote->ip, |
1072 |
|
|
remote->port, scan_gettype(remote->protocol), ss->proof); |
1073 |
|
|
fflush(scanlogfile); |
1074 |
michael |
5052 |
} |