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/*-
* Copyright (c) 2010 Alistair Crooks <agc@NetBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <netdb.h>
#include <netpgp.h>
#include <regex.h>
#include <sha1.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "libpaa.h"
#define DEFAULT_HASH_ALG "SHA256"
int
main(int argc, char **argv)
{
paa_response_t response;
netpgp_t netpgp;
char challenge[2048];
char buf[2048];
int challengec;
int cc;
int i;
(void) memset(&response, 0x0, sizeof(response));
(void) memset(&netpgp, 0x0, sizeof(netpgp));
while ((i = getopt(argc, argv, "S:d:r:u:")) != -1) {
switch(i) {
case 'S':
netpgp_setvar(&netpgp, "ssh keys", "1");
netpgp_setvar(&netpgp, "sshkeyfile", optarg);
break;
case 'd':
//challenge.domain = optarg;
break;
case 'r':
//challenge.realm = optarg;
response.realm = optarg;
break;
case 'u':
netpgp_setvar(&netpgp, "userid", optarg);
break;
}
}
netpgp_setvar(&netpgp, "hash", DEFAULT_HASH_ALG);
netpgp_setvar(&netpgp, "need seckey", "1");
netpgp_setvar(&netpgp, "need userid", "1");
netpgp_set_homedir(&netpgp, getenv("HOME"),
netpgp_getvar(&netpgp, "ssh keys") ? "/.ssh" : "/.gnupg", 1);
if (!netpgp_init(&netpgp)) {
(void) fprintf(stderr, "can't initialise netpgp\n");
exit(EXIT_FAILURE);
}
/* read challenge into challenge */
challengec = read(0, challenge, sizeof(challenge));
cc = paa_format_response(&response, &netpgp, challenge, buf, sizeof(buf));
write(1, buf, cc);
exit(EXIT_SUCCESS);
}
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