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/***************************************************************************
* Copyright (C) 2004, 2005, 2006 by Stephen McInerney *
* spm@stedee.id.au *
* *
* $Id: options.c 66 2006-06-24 23:50:26Z steve $
*
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
/***************************************************************************
***************************************************************************
* options.c
*
* Deal with Command line options
***************************************************************************
***************************************************************************/
/***************************************************************************
***************************************************************************
* ModificationHistory:
**********************
* 17-Mar-2005 steve Initial Creation - taken from visitors/options.c
* 08-Oct-2005 steve Add Individual IP History lookups
*
***************************************************************************
***************************************************************************/
#include "dnshistory.h"
/************************************************************************
* GLOBALS *
************************************************************************/
char *g_filename = NULL; /* Command Line specified file to open. */
char *g_recombine_filename = NULL; /* Command Line specified file to open.
This file is the source of existing FQDN's
It should be a near exact copy of the STDIN or g_filename log file */
char *g_import_filename = NULL; /* Command Line specified file to open for Importing a dumped DB */
bool g_dolookups = true; /* Default. Do lookups of addresses
If False then will retrieve results from DB
and output substituted log lines */
bool g_dotranslate = false; /* Do Translations */
bool g_dorecombine = false; /* Do Recombining */
bool g_dumpdnsdb = false; /* Dump the DNS History Database to STDOUT */
bool g_showhistory = false; /* Given one or more IP's show their history */
bool g_doimport = false; /* Import a Dumped DB from a File */
u_int32_t db_cache_size = DB_CACHE_SIZE; /* Size of the DB Cache */
int g_dns_timeout = DNS_RESULTS_RECHECK; /* The period that DNS queries won't be retried within. Seconds */
int g_dns_lookups = DNS_LOOKUPS; /* Number of attempts for each lookup if not successful */
unsigned int g_max_threads = THREAD_MAXIMUM_THREADS; /* Maximum number of threads to spawn off */
int g_dns_retry_delay = DNS_RETRY_DELAY; /* Delay time between dns lookup retries in a single run. Seconds */
/************************************************************************
* FUNCTIONS *
************************************************************************/
void process_options(int, char *[]); /* Process command line options */
void display_version(void); /* Display the Version Information */
void display_usage(int); /* Display the program Command Line Options, and exit */
void display_gnu_info(int); /* Display the GNU Disclaimer, and exit */
/************************************************************************
* display_version *
* *
* Display the Version Information *
************************************************************************/
void
display_version()
{
printf("%s\n", PACKAGE_STRING);
printf("Copyright (C) %s Stephen McInerney\n\n", "2004, 2005, 2006");
}
/************************************************************************
* display_usage *
* *
* Display the Command Line Use and Exit with the passed exit_code *
************************************************************************/
void
display_usage(int exit_code)
{
display_version();
printf("Usage: dnshistory [OPTION]...\n");
printf(" -L, --dolookups Do Lookups and store into DB (default)\n");
printf(" -D, --dodump Dump the history Database to STDOUT\n");
printf(" -I, --doimport=FILE Import a Dumped history from FILE\n");
printf(" -T, --dotranslate Retrieve lookups from DB and replace in output\n");
printf(" -R, --dorecombine=FILE Recombine wth the Names in this log file\n");
printf(" -S, --showhistory Given one or more IP's show their history\n");
printf("\n");
printf(" --logtype=LOGTYPE Set the log type to use\n");
printf(" auto, clf or www, squid, ftp, iptables\n");
printf(" (default = auto)\n");
printf("\n");
printf(" -c, --cache=SIZE Size of the In Memory Cache to create in Mb\n");
printf(" (default = %d)\n", DB_CACHE_SIZE);
printf(" -d, --database=FILE Database File to store results in\n");
printf(" (default = %s)\n", DATABASE);
printf(" -f, --file=FILE Log File to process\n");
printf(" if not set will use STDIN\n");
printf(" -h, --help Display this message\n");
printf(" -l, --maxlookups=NUMBER Number of attempts to try queries\n");
printf(" (default = %d)\n", DNS_LOOKUPS);
printf(" -m, --maxthreads=NUMBER Maximum number of threads\n");
printf(" (default = %d)\n", THREAD_MAXIMUM_THREADS);
printf(" -t, --timeout=SECONDS Time interval to ignore doing further lookups.\n");
printf(" (default = %d)\n", DNS_RESULTS_RECHECK);
printf(" -v, --verbose Level of verbosity, Multiple v's will increase\n");
printf(" -V, --version Display the version information and exit\n");
printf(" -w, --wait=SECONDS Delay time between query retries in a single run\n");
printf(" (default = %d)\n", DNS_RETRY_DELAY);
exit(exit_code);
}
/************************************************************************
* display_gnu_info *
* *
* Display the GNU standard disclaimer *
************************************************************************/
void
display_gnu_info(int exit_code)
{
display_version();
printf("%s\n%s%s%s\n%s\n%s\n",
"There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A",
"PARTICULAR PURPOSE. You may redistribute copies of ", PACKAGE_NAME, " under the terms", "the GNU General Public License.",
"For more information about these matters, see the file named COPYING.");
exit(exit_code);
}
/************************************************************************
* process_options *
* *
* Process the individual commandline arguments *
************************************************************************/
void
process_options(int argc, char *argv[])
{
int opt;
int option_index = 0;
char log_type[20];
/* Set the various exclusive options used flags */
bool optL = false;
bool optD = false;
bool optI = false;
bool optR = false;
bool optT = false;
bool optS = false;
const char *short_options = "c:d:Df:F:h:I:Ll:m:R:STt:vVw:?";
const struct option long_options[] = {
{"cache", 1, NULL, 'c'},
{"database", 1, NULL, 'd'},
{"dodump", 0, NULL, 'D'},
{"file", 1, NULL, 'f'},
{"help", 0, NULL, 'h'},
{"doimport", 1, NULL, 'I'},
{"dolookups", 0, NULL, 'L'},
{"maxthreads", 1, NULL, 'm'},
{"dorecombine", 1, NULL, 'R'},
{"lookups", 1, NULL, 'l'},
{"showhistory", 0, NULL, 'S'},
{"dotranslate", 0, NULL, 'T'},
{"timeout", 1, NULL, 't'},
{"verbose", 0, NULL, 'v'},
{"version", 0, NULL, 'V'},
{"wait", 1, NULL, 'w'},
{"logtype", 1, NULL, 0},
{NULL, 0, NULL, 0}
};
/**********************************************************************/
do {
opt = getopt_long(argc, argv, short_options, long_options, &option_index);
switch (opt) {
case 0:
/*
printf ("option %s", long_options[option_index].name);
if (optarg)
printf (" with arg %s", optarg);
printf ("\n");
*/
if (strncmp("logtype", long_options[option_index].name, 7) == 0) {
sscanf(optarg, "%s", log_type);
if (strncmp(log_type, "auto", 4) == 0) {
g_log_type = LOG_AUTO;
} else if (strncmp(log_type, "clf", 3) == 0) {
g_log_type = LOG_CLF;
} else if (strncmp(log_type, "www", 3) == 0) {
g_log_type = LOG_CLF;
} else if (strncmp(log_type, "ftp", 3) == 0) {
g_log_type = LOG_FTP;
} else if (strncmp(log_type, "squid", 5) == 0) {
g_log_type = LOG_SQUID;
} else if (strncmp(log_type, "iptables", 8) == 0) {
g_log_type = LOG_IPTABLES;
} else {
ERRVPRINT(VERBOSE0, "Unknown Log Type: %s\n", log_type);
exit(1);
}
}
break;
case 'L':
if (optL || optR || optD || optT || optS || optI) {
ERRVPRINT(0, "%s\n\n", msg_F_incompatible_options);
display_usage(V_EXIT_INVALID_PARAMS);
} else {
g_dolookups = true;
g_dotranslate = false;
g_dorecombine = false;
g_dumpdnsdb = false;
g_showhistory = false;
g_doimport = false;
optL = true;
}
break;
case 'D':
if (optL || optR || optD || optT || optS || optI) {
ERRVPRINT(0, "%s\n\n", msg_F_incompatible_options);
display_usage(V_EXIT_INVALID_PARAMS);
} else {
g_dolookups = false;
g_dotranslate = false;
g_dorecombine = false;
g_dumpdnsdb = true;
g_showhistory = false;
g_doimport = false;
optD = true;
}
break;
case 'I':
if (optL || optR || optD || optT || optS || optI) {
ERRVPRINT(0, "%s\n\n", msg_F_incompatible_options);
display_usage(V_EXIT_INVALID_PARAMS);
} else {
g_dolookups = false;
g_dotranslate = false;
g_dorecombine = false;
g_dumpdnsdb = false;
g_showhistory = false;
g_doimport = true;
g_import_filename = optarg;
optI = true;
}
break;
case 'R':
if (optL || optR || optD || optT || optS || optI) {
ERRVPRINT(0, "%s\n\n", msg_F_incompatible_options);
display_usage(V_EXIT_INVALID_PARAMS);
} else {
g_dolookups = false;
g_dotranslate = false;
g_dorecombine = true;
g_dumpdnsdb = false;
g_showhistory = false;
g_doimport = false;
g_recombine_filename = optarg;
optR = true;
}
break;
case 'S':
if (optL || optR || optD || optT || optS || optI) {
ERRVPRINT(0, "%s\n\n", msg_F_incompatible_options);
display_usage(V_EXIT_INVALID_PARAMS);
} else {
g_dolookups = false;
g_dotranslate = false;
g_dorecombine = false;
g_dumpdnsdb = false;
g_showhistory = true;
g_doimport = false;
optS = true;
/* getopt will exit with optind set to the index for the IP's to lookup */
}
break;
case 'T':
if (optL || optR || optD || optT || optS || optI) {
ERRVPRINT(VERBOSE0, "%s\n\n", msg_F_incompatible_options);
display_usage(V_EXIT_INVALID_PARAMS);
} else {
g_dolookups = false;
g_dotranslate = true;
g_dorecombine = false;
g_dumpdnsdb = false;
g_showhistory = false;
g_doimport = false;
optT = true;
}
break;
case 'c':
sscanf(optarg, "%d", &db_cache_size);
if (db_cache_size <= 0) {
ERRVPRINT(VERBOSE0, "Database Cache Size must be greater than 0\n%s", "");
display_usage(V_EXIT_INVALID_PARAMS);
}
break;
break;
case 'd':
/* g_db_dirfilename = optarg; */
strncpy(g_db_dirfilename, optarg, strlen(optarg) + 1);
break;
case 'h':
display_usage(V_EXIT_OK);
break;
case 'f':
g_filename = optarg;
break;
case 'l':
sscanf(optarg, "%d", &g_dns_lookups);
if (g_dns_lookups <= 0) {
ERRVPRINT(VERBOSE0, "Lookup attempts must be greater than 0\n%s", "");
display_usage(V_EXIT_INVALID_PARAMS);
}
break;
case 'm':
sscanf(optarg, "%d", &g_max_threads);
if (g_max_threads <= 0) {
ERRVPRINT(VERBOSE0, "Maximum threads must be greater than 0\n%s", "");
display_usage(V_EXIT_INVALID_PARAMS);
}
break;
case 't':
sscanf(optarg, "%d", &g_dns_timeout);
if (g_dns_timeout <= 0) {
ERRVPRINT(VERBOSE0, "DNS Timeout must be greater than 0\n%s", "");
display_usage(V_EXIT_INVALID_PARAMS);
}
break;
case 'V':
display_gnu_info(V_EXIT_OK);
break;
case 'v':
g_verbosity++;
if (g_verbosity > VERBOSE_MAX) {
g_verbosity = VERBOSE_MAX;
ERRVPRINT(VERBOSE0, "%s\n", msg_W_exceeded_verbosity);
}
break;
case 'w':
sscanf(optarg, "%d", &g_dns_retry_delay);
if (g_dns_retry_delay <= 0) {
ERRVPRINT(VERBOSE0, "DNS Rety Delay must be greater than 0\n%s", "");
display_usage(V_EXIT_INVALID_PARAMS);
}
break;
case '?':
display_usage(V_EXIT_OK);
break;
case -1:
break;
default:
exit(V_EXIT_INVALID_PARAMS);
}
} while (opt != -1);
VPRINT(VERBOSE2, "Commandline Settings:%s\n", "");
VPRINT(VERBOSE2, " DB Cache Size: %d Mb\n", db_cache_size);
VPRINT(VERBOSE2, " DB File: %s\n", g_db_dirfilename);
VPRINT(VERBOSE2, " Log File: %s\n", g_filename);
VPRINT(VERBOSE2, " DNS Lookups: %d\n", g_dns_lookups);
VPRINT(VERBOSE2, " Max Threads: %d\n", g_max_threads);
VPRINT(VERBOSE2, " DNS Timeout: %d\n", g_dns_timeout);
VPRINT(VERBOSE2, " Retry Delay: %d\n", g_dns_retry_delay);
VPRINT(VERBOSE2, " Verbosity: %d\n", g_verbosity);
VPRINT(VERBOSE2, " Log Type: %d\n", g_log_type);
}
/************************************************************************
************************************************************************
* END OF FILE *
************************************************************************
************************************************************************/
|