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Annotation of embedaddon/strongswan/scripts/dnssec.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2011-2012 Reto Guadagnini
                      3:  * HSR Hochschule fuer Technik Rapperswil
                      4:  *
                      5:  * This program is free software; you can redistribute it and/or modify it
                      6:  * under the terms of the GNU General Public License as published by the
                      7:  * Free Software Foundation; either version 2 of the License, or (at your
                      8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                      9:  *
                     10:  * This program is distributed in the hope that it will be useful, but
                     11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     13:  * for more details.
                     14:  */
                     15: 
                     16: #include <stdio.h>
                     17: 
                     18: #include <library.h>
                     19: #include <utils/debug.h>
                     20: 
                     21: /**
                     22:  * Define debug level
                     23:  */
                     24: static level_t dbg_level = 1;
                     25: 
                     26: static void dbg_dnssec(debug_t group, level_t level, char *fmt, ...)
                     27: {
                     28:        if ((level <= dbg_level) || level <= 1)
                     29:        {
                     30:                va_list args;
                     31: 
                     32:                va_start(args, fmt);
                     33:                vfprintf(stderr, fmt, args);
                     34:                fprintf(stderr, "\n");
                     35:                va_end(args);
                     36:        }
                     37: }
                     38: 
                     39: int main(int argc, char *argv[])
                     40: {
                     41:        resolver_t *resolver;
                     42:        resolver_response_t *response;
                     43:        enumerator_t *enumerator;
                     44:        chunk_t rdata;
                     45:        rr_set_t *rrset;
                     46:        rr_t *rr;
                     47: 
                     48:        library_init(NULL, "dnssec");
                     49:        atexit(library_deinit);
                     50: 
                     51:        dbg = dbg_dnssec;
                     52: 
                     53:        if (!lib->plugins->load(lib->plugins, PLUGINS))
                     54:        {
                     55:                return 1;
                     56:        }
                     57:        if (argc != 2)
                     58:        {
                     59:                fprintf(stderr, "usage: dnssec <name>\n");
                     60:                return 1;
                     61:        }
                     62: 
                     63:        resolver = lib->resolver->create(lib->resolver);
                     64:        if (!resolver)
                     65:        {
                     66:                printf("failed to create a resolver!\n");
                     67:                return 1;
                     68:        }
                     69: 
                     70:        response = resolver->query(resolver, argv[1], RR_CLASS_IN, RR_TYPE_A);
                     71:        if (!response)
                     72:        {
                     73:                printf("no response received!\n");
                     74:                resolver->destroy(resolver);
                     75:                return 1;
                     76:        }
                     77: 
                     78:        printf("DNS response:\n");
                     79:        if (!response->has_data(response) || !response->query_name_exist(response))
                     80:        {
                     81:                if (!response->has_data(response))
                     82:                {
                     83:                        printf("  no data in the response\n");
                     84:                }
                     85:                if (!response->query_name_exist(response))
                     86:                {
                     87:                        printf("  query name does not exist\n");
                     88:                }
                     89:                response->destroy(response);
                     90:                resolver->destroy(resolver);
                     91:                return 1;
                     92:        }
                     93: 
                     94:        printf("  RRs in the response:\n");
                     95:        rrset = response->get_rr_set(response);
                     96:        if (!rrset)
                     97:        {
                     98:                printf("    response contains no RRset!\n");
                     99:                response->destroy(response);
                    100:                resolver->destroy(resolver);
                    101:                return 1;
                    102:        }
                    103: 
                    104:        enumerator = rrset->create_rr_enumerator(rrset);
                    105:        while (enumerator->enumerate(enumerator, &rr))
                    106:        {
                    107:                printf("    name: %s\n", rr->get_name(rr));
                    108:        }
                    109: 
                    110:        enumerator = rrset->create_rrsig_enumerator(rrset);
                    111:        if (enumerator)
                    112:        {
                    113:                printf("  RRSIGs for the RRset:\n");
                    114:                while (enumerator->enumerate(enumerator, &rr))
                    115:                {
                    116:                        rdata = rr->get_rdata(rr);
                    117: 
                    118:                        printf("    name: %s\n", rr->get_name(rr));
                    119:                        printf("    RDATA: %#B\n", &rdata);
                    120:                }
                    121:        }
                    122: 
                    123:        printf("  security status of the response: ");
                    124:        switch (response->get_security_state(response))
                    125:        {
                    126:                case SECURE:
                    127:                        printf("SECURE\n\n");
                    128:                        break;
                    129:                case INSECURE:
                    130:                        printf("INSECURE\n\n");
                    131:                        break;
                    132:                case BOGUS:
                    133:                        printf("BOGUS\n\n");
                    134:                        break;
                    135:                case INDETERMINATE:
                    136:                        printf("INDETERMINATE\n\n");
                    137:                        break;
                    138:        }
                    139:        response->destroy(response);
                    140:        resolver->destroy(resolver);
                    141:        return 0;
                    142: }