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/*
* A program to dump the IPsec status of the socket found on stdin.
* Run me from inetd, for instance.
* Copyright (C) 2003 Michael Richardson <mcr@freeswan.org>
*
* 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
char showpolicy_version[] = "RCSID $Id: showpolicy.c,v 1.1 2004/03/15 20:35:31 as Exp $";
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <getopt.h>
#include "freeswan.h"
#include "freeswan/ipsec_policy.h"
char *program_name;
static void
help(void)
{
fprintf(stderr,
"Usage:\n\n"
"showpolicy"
" [--cgi] lookup the particulars from CGI variables.\n"
" [--socket] lookup the particulars from the socket on stdin.\n"
" [--textual] dump output in human friendly form\n"
" [--plaintext X] string to dump if no security\n"
" [--vpntext X] string to dump if VPN configured tunnel\n"
" [--privacytext X] string to dump if just plain DNS OE\n"
" [--dnssectext X] string to dump if just DNSSEC OE\n"
"\n\n"
"FreeS/WAN %s\n",
ipsec_version_code());
}
static const struct option long_opts[] = {
/* name, has_arg, flag, val */
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{ "socket", no_argument, NULL, 'i' },
{ "cgi", no_argument, NULL, 'g' },
{ "textual", no_argument, NULL, 't' },
{ "plaintext", required_argument, NULL, 'c' },
{ "vpntext", required_argument, NULL, 'v' },
{ "privacytext", required_argument, NULL, 'p' },
{ "dnssectext", required_argument, NULL, 's' },
{ 0,0,0,0 }
};
void dump_policyreply(struct ipsec_policy_cmd_query *q)
{
char src[ADDRTOT_BUF], dst[ADDRTOT_BUF];
/* now print it! */
addrtot(&q->query_local, 0, src, sizeof(src));
addrtot(&q->query_remote, 0, dst, sizeof(dst));
printf("Results of query on %s -> %s with seq %d\n",
src, dst, q->head.ipm_msg_seq);
printf("Received reply of %d bytes.\n", q->head.ipm_msg_len);
printf("Strength: %d\n", q->strength);
printf("Bandwidth: %d\n", q->bandwidth);
printf("authdetail: %d\n", q->auth_detail);
printf("esp_detail: %d\n", q->esp_detail);
printf("comp_detail: %d\n",q->comp_detail);
printf("credentials: %d\n", q->credential_count);
if(q->credential_count > 0) {
int c;
for(c=0; c<q->credential_count; c++) {
switch(q->credentials[c].ii_format) {
case CERT_DNS_SIGNED_KEY:
printf("\tDNSSEC identity: %s (SIG %s)\n",
q->credentials[c].ii_credential.ipsec_dns_signed.fqdn,
q->credentials[c].ii_credential.ipsec_dns_signed.dns_sig);
break;
case CERT_RAW_RSA:
printf("\tlocal identity: %s\n",
q->credentials[c].ii_credential.ipsec_raw_key.id_name);
case CERT_NONE:
printf("\tDNS identity: %s\n",
q->credentials[c].ii_credential.ipsec_dns_signed.fqdn);
break;
default:
printf("\tUnknown identity type %d", q->credentials[c].ii_format);
break;
}
}
}
}
int main(int argc, char *argv[])
{
struct ipsec_policy_cmd_query q;
err_t ret;
int c;
/* set the defaults */
char lookup_style = 'i';
char output_style = 's';
char *plaintext = "clear";
char *vpntext = "vpn";
char *privacytext = "private";
char *dnssectext = "secure";
while((c = getopt_long(argc, argv, "hVighc:v:p:s:", long_opts, 0))!=EOF) {
switch (c) {
default:
case 'h': /* --help */
help();
return 0; /* GNU coding standards say to stop here */
case 'V': /* --version */
fprintf(stderr, "FreeS/WAN %s\n", ipsec_version_code());
return 0; /* GNU coding standards say to stop here */
case 'i':
if(isatty(0)) {
printf("please run this connected to a socket\n");
exit(1);
}
lookup_style = 'i';
break;
case 'g':
lookup_style = 'g';
break;
case 't':
output_style = 't';
break;
case 'c':
plaintext = optarg;
break;
case 'v':
vpntext = optarg;
break;
case 'p':
privacytext = optarg;
break;
case 's':
dnssectext = optarg;
break;
}
}
if((ret = ipsec_policy_init()) != NULL) {
perror(ret);
exit(2);
}
switch(lookup_style) {
case 'i':
if((ret = ipsec_policy_lookup(0, &q)) != NULL) {
perror(ret);
exit(3);
}
break;
case 'g':
if((ret = ipsec_policy_cgilookup(&q)) != NULL) {
perror(ret);
exit(3);
}
break;
default:
abort();
break;
}
if(output_style == 't') {
dump_policyreply(&q);
} else {
/* start by seeing if there was any crypto */
if(q.strength < IPSEC_PRIVACY_PRIVATE) {
/* no, so say clear */
puts(plaintext);
exit(0);
}
/* we now it is crypto, but authentic is it? */
if(q.credential_count == 0) {
puts(vpntext);
exit(0);
}
switch(q.credentials[0].ii_format) {
case CERT_DNS_SIGNED_KEY:
puts(dnssectext);
exit(0);
case CERT_RAW_RSA:
puts(vpntext);
exit(0);
default:
puts(privacytext);
exit(0);
}
}
exit(0);
}
/*
* $Log: showpolicy.c,v $
* Revision 1.1 2004/03/15 20:35:31 as
* added files from freeswan-2.04-x509-1.5.3
*
* Revision 1.4 2003/05/14 15:46:44 mcr
* switch statement was missing break statements and was running on.
*
* Revision 1.3 2003/05/14 02:12:27 mcr
* addition of CGI-focused interface to policy lookup interface
*
* Revision 1.2 2003/05/13 03:25:34 mcr
* print credentials, if any were provided.
*
* Revision 1.1 2003/05/11 00:45:08 mcr
* program to interogate ipsec policy of stdin.
* run this from inetd.
*
*
*
*/
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