|
|
/*
|
|
|
* Copyright (c) 2003-2007 Andrea Luzzardi <scox@sig11.org>
|
|
|
*
|
|
|
* This file is part of the pam_usb project. pam_usb is free software;
|
|
|
* you can redistribute it and/or modify it under the terms of the GNU General
|
|
|
* Public License version 2, as published by the Free Software Foundation.
|
|
|
*
|
|
|
* pam_usb 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., 51 Franklin
|
|
|
* Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
|
#include <unistd.h>
|
|
|
#include <string.h>
|
|
|
#include <getopt.h>
|
|
|
#include "conf.h"
|
|
|
#include "log.h"
|
|
|
#include "device.h"
|
|
|
#include "local.h"
|
|
|
|
|
|
static void pusb_check_conf_dump(t_pusb_options *opts, const char *username,
|
|
|
const char *service)
|
|
|
{
|
|
|
fprintf(stdout, "Configuration dump for user %s (service: %s):\n",
|
|
|
username, service);
|
|
|
fprintf(stdout, "enable\t\t\t: %s\n", opts->enable ? "true" : "false");
|
|
|
fprintf(stdout, "debug\t\t\t: %s\n", opts->debug ? "true" : "false");
|
|
|
fprintf(stdout, "quiet\t\t\t: %s\n", opts->quiet ? "true" : "false");
|
|
|
fprintf(stdout, "color_log\t\t: %s\n", opts->color_log ? "true" : "false");
|
|
|
fprintf(stdout, "one_time_pad\t\t: %s\n",
|
|
|
opts->one_time_pad ? "true" : "false");
|
|
|
fprintf(stdout, "deny_remote\t\t: %s\n",
|
|
|
opts->deny_remote ? "true" : "false");
|
|
|
fprintf(stdout, "pad_expiration\t\t: %u seconds\n", (unsigned int)opts->pad_expiration);
|
|
|
fprintf(stdout, "probe_timeout\t\t: %d seconds\n", (unsigned int)opts->probe_timeout);
|
|
|
fprintf(stdout, "hostname\t\t: %s\n", opts->hostname);
|
|
|
fprintf(stdout, "system_pad_directory\t: %s\n",
|
|
|
opts->system_pad_directory);
|
|
|
fprintf(stdout, "device_pad_directory\t: %s\n",
|
|
|
opts->device_pad_directory);
|
|
|
}
|
|
|
|
|
|
static int pusb_check_perform_authentication(t_pusb_options *opts,
|
|
|
const char *user,
|
|
|
const char *service)
|
|
|
{
|
|
|
int retval;
|
|
|
|
|
|
if (!opts->enable)
|
|
|
{
|
|
|
log_debug("Not enabled, exiting...\n");
|
|
|
return (0);
|
|
|
}
|
|
|
log_info("Authentication request for user \"%s\" (%s)\n",
|
|
|
user, service);
|
|
|
if (!pusb_local_login(opts, user))
|
|
|
{
|
|
|
log_error("Access denied.\n");
|
|
|
return (0);
|
|
|
}
|
|
|
retval = pusb_device_check(opts, user);
|
|
|
if (retval)
|
|
|
log_info("Access granted.\n");
|
|
|
else
|
|
|
log_error("Access denied.\n");
|
|
|
return (retval);
|
|
|
}
|
|
|
|
|
|
static void pusb_check_usage(const char *name)
|
|
|
{
|
|
|
fprintf(stderr, "Usage: %s [--help] [--debug] [--config=path] [--service=name] [--dump] [--quiet] [--debug]" \
|
|
|
" <username>\n", name);
|
|
|
}
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
|
{
|
|
|
t_pusb_options opts;
|
|
|
char *conf_file = PUSB_CONF_FILE;
|
|
|
char *service = "pamusb-check";
|
|
|
char *user = NULL;
|
|
|
int quiet = 0;
|
|
|
int dump = 0;
|
|
|
int debug = 0;
|
|
|
int opt;
|
|
|
int opt_index = 0;
|
|
|
extern char *optarg;
|
|
|
char *short_options = "hc:s:dqD";
|
|
|
struct option long_options[] = {
|
|
|
{ "help", 0, 0, 0 },
|
|
|
{ "config", 1, 0, 0 },
|
|
|
{ "service", 1, 0, 0 },
|
|
|
{ "dump", 0, 0, 0 },
|
|
|
{ "quiet", 0, 0, 0 },
|
|
|
{ "debug", 0, 0, 0 },
|
|
|
{ 0, 0, 0, 0 }
|
|
|
};
|
|
|
|
|
|
while ((opt = getopt_long(argc, argv, short_options, long_options,
|
|
|
&opt_index)) != EOF)
|
|
|
{
|
|
|
if (opt == 'h' || (!opt && !strcmp(long_options[opt_index].name, "help")))
|
|
|
{
|
|
|
pusb_check_usage(argv[0]);
|
|
|
return (1);
|
|
|
}
|
|
|
else if (opt == 'c' || (!opt && !strcmp(long_options[opt_index].name, "config")))
|
|
|
conf_file = optarg;
|
|
|
else if (opt == 's' || (!opt && !strcmp(long_options[opt_index].name, "service")))
|
|
|
service = optarg;
|
|
|
else if (opt == 'd' || (!opt && !strcmp(long_options[opt_index].name, "dump")))
|
|
|
dump = 1;
|
|
|
else if (opt == 'q' || (!opt && !strcmp(long_options[opt_index].name, "quiet")))
|
|
|
quiet = 1;
|
|
|
else if (opt == 'D' || (!opt && !strcmp(long_options[opt_index].name, "debug")))
|
|
|
debug = 1;
|
|
|
else if (opt == '?')
|
|
|
{
|
|
|
pusb_check_usage(argv[0]);
|
|
|
return (1);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if ((argc - 1) == optind)
|
|
|
user = argv[optind];
|
|
|
else
|
|
|
{
|
|
|
pusb_check_usage(argv[0]);
|
|
|
return (1);
|
|
|
}
|
|
|
|
|
|
if (quiet && debug)
|
|
|
{
|
|
|
fprintf(stderr, "Error: You cannot use --quiet and --debug together.");
|
|
|
return (1);
|
|
|
}
|
|
|
|
|
|
pusb_log_init(&opts);
|
|
|
if (!pusb_conf_init(&opts))
|
|
|
return (1);
|
|
|
if (!pusb_conf_parse(conf_file, &opts, user, service))
|
|
|
return (1);
|
|
|
if (quiet)
|
|
|
{
|
|
|
opts.quiet = 1;
|
|
|
opts.debug = 0;
|
|
|
}
|
|
|
else if (debug)
|
|
|
{
|
|
|
opts.quiet = 0;
|
|
|
opts.debug = 1;
|
|
|
}
|
|
|
if (dump)
|
|
|
{
|
|
|
pusb_check_conf_dump(&opts, user, service);
|
|
|
return (1);
|
|
|
}
|
|
|
return (!pusb_check_perform_authentication(&opts, user, service));
|
|
|
}
|