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-rw-r--r--crypto/heimdal/lib/roken/resolve.c441
1 files changed, 0 insertions, 441 deletions
diff --git a/crypto/heimdal/lib/roken/resolve.c b/crypto/heimdal/lib/roken/resolve.c
deleted file mode 100644
index 76df2877fe64..000000000000
--- a/crypto/heimdal/lib/roken/resolve.c
+++ /dev/null
@@ -1,441 +0,0 @@
-/*
- * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * 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.
- *
- * 3. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "roken.h"
-#ifdef HAVE_ARPA_NAMESER_H
-#include <arpa/nameser.h>
-#endif
-#ifdef HAVE_RESOLV_H
-#include <resolv.h>
-#endif
-#include "resolve.h"
-
-RCSID("$Id: resolve.c,v 1.26 2000/06/27 01:15:53 assar Exp $");
-
-#if defined(HAVE_RES_SEARCH) && defined(HAVE_DN_EXPAND)
-
-#define DECL(X) {#X, T_##X}
-
-static struct stot{
- const char *name;
- int type;
-}stot[] = {
- DECL(A),
- DECL(NS),
- DECL(CNAME),
- DECL(SOA),
- DECL(PTR),
- DECL(MX),
- DECL(TXT),
- DECL(AFSDB),
- DECL(SIG),
- DECL(KEY),
- DECL(SRV),
- DECL(NAPTR),
- {NULL, 0}
-};
-
-int _resolve_debug = 0;
-
-int
-dns_string_to_type(const char *name)
-{
- struct stot *p = stot;
- for(p = stot; p->name; p++)
- if(strcasecmp(name, p->name) == 0)
- return p->type;
- return -1;
-}
-
-const char *
-dns_type_to_string(int type)
-{
- struct stot *p = stot;
- for(p = stot; p->name; p++)
- if(type == p->type)
- return p->name;
- return NULL;
-}
-
-void
-dns_free_data(struct dns_reply *r)
-{
- struct resource_record *rr;
- if(r->q.domain)
- free(r->q.domain);
- for(rr = r->head; rr;){
- struct resource_record *tmp = rr;
- if(rr->domain)
- free(rr->domain);
- if(rr->u.data)
- free(rr->u.data);
- rr = rr->next;
- free(tmp);
- }
- free (r);
-}
-
-static struct dns_reply*
-parse_reply(unsigned char *data, int len)
-{
- unsigned char *p;
- char host[128];
- int status;
-
- struct dns_reply *r;
- struct resource_record **rr;
-
- r = calloc(1, sizeof(*r));
- if (r == NULL)
- return NULL;
-
- p = data;
-#if 0
- /* doesn't work on Crays */
- memcpy(&r->h, p, sizeof(HEADER));
- p += sizeof(HEADER);
-#else
- memcpy(&r->h, p, 12); /* XXX this will probably be mostly garbage */
- p += 12;
-#endif
- status = dn_expand(data, data + len, p, host, sizeof(host));
- if(status < 0){
- dns_free_data(r);
- return NULL;
- }
- r->q.domain = strdup(host);
- if(r->q.domain == NULL) {
- dns_free_data(r);
- return NULL;
- }
- p += status;
- r->q.type = (p[0] << 8 | p[1]);
- p += 2;
- r->q.class = (p[0] << 8 | p[1]);
- p += 2;
- rr = &r->head;
- while(p < data + len){
- int type, class, ttl, size;
- status = dn_expand(data, data + len, p, host, sizeof(host));
- if(status < 0){
- dns_free_data(r);
- return NULL;
- }
- p += status;
- type = (p[0] << 8) | p[1];
- p += 2;
- class = (p[0] << 8) | p[1];
- p += 2;
- ttl = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
- p += 4;
- size = (p[0] << 8) | p[1];
- p += 2;
- *rr = (struct resource_record*)calloc(1,
- sizeof(struct resource_record));
- if(*rr == NULL) {
- dns_free_data(r);
- return NULL;
- }
- (*rr)->domain = strdup(host);
- if((*rr)->domain == NULL) {
- dns_free_data(r);
- return NULL;
- }
- (*rr)->type = type;
- (*rr)->class = class;
- (*rr)->ttl = ttl;
- (*rr)->size = size;
- switch(type){
- case T_NS:
- case T_CNAME:
- case T_PTR:
- status = dn_expand(data, data + len, p, host, sizeof(host));
- if(status < 0){
- dns_free_data(r);
- return NULL;
- }
- (*rr)->u.txt = strdup(host);
- if((*rr)->u.txt == NULL) {
- dns_free_data(r);
- return NULL;
- }
- break;
- case T_MX:
- case T_AFSDB:{
- status = dn_expand(data, data + len, p + 2, host, sizeof(host));
- if(status < 0){
- dns_free_data(r);
- return NULL;
- }
- (*rr)->u.mx = (struct mx_record*)malloc(sizeof(struct mx_record) +
- strlen(host));
- if((*rr)->u.mx == NULL) {
- dns_free_data(r);
- return NULL;
- }
- (*rr)->u.mx->preference = (p[0] << 8) | p[1];
- strcpy((*rr)->u.mx->domain, host);
- break;
- }
- case T_SRV:{
- status = dn_expand(data, data + len, p + 6, host, sizeof(host));
- if(status < 0){
- dns_free_data(r);
- return NULL;
- }
- (*rr)->u.srv =
- (struct srv_record*)malloc(sizeof(struct srv_record) +
- strlen(host));
- if((*rr)->u.srv == NULL) {
- dns_free_data(r);
- return NULL;
- }
- (*rr)->u.srv->priority = (p[0] << 8) | p[1];
- (*rr)->u.srv->weight = (p[2] << 8) | p[3];
- (*rr)->u.srv->port = (p[4] << 8) | p[5];
- strcpy((*rr)->u.srv->target, host);
- break;
- }
- case T_TXT:{
- (*rr)->u.txt = (char*)malloc(size + 1);
- if((*rr)->u.txt == NULL) {
- dns_free_data(r);
- return NULL;
- }
- strncpy((*rr)->u.txt, (char*)p + 1, *p);
- (*rr)->u.txt[*p] = 0;
- break;
- }
- case T_KEY : {
- size_t key_len;
-
- key_len = size - 4;
- (*rr)->u.key = malloc (sizeof(*(*rr)->u.key) + key_len - 1);
- if ((*rr)->u.key == NULL) {
- dns_free_data (r);
- return NULL;
- }
-
- (*rr)->u.key->flags = (p[0] << 8) | p[1];
- (*rr)->u.key->protocol = p[2];
- (*rr)->u.key->algorithm = p[3];
- (*rr)->u.key->key_len = key_len;
- memcpy ((*rr)->u.key->key_data, p + 4, key_len);
- break;
- }
- case T_SIG : {
- size_t sig_len;
-
- status = dn_expand (data, data + len, p + 18, host, sizeof(host));
- if (status < 0) {
- dns_free_data (r);
- return NULL;
- }
- sig_len = len - 18 - status;
- (*rr)->u.sig = malloc(sizeof(*(*rr)->u.sig)
- + strlen(host) + sig_len);
- if ((*rr)->u.sig == NULL) {
- dns_free_data (r);
- return NULL;
- }
- (*rr)->u.sig->type = (p[0] << 8) | p[1];
- (*rr)->u.sig->algorithm = p[2];
- (*rr)->u.sig->labels = p[3];
- (*rr)->u.sig->orig_ttl = (p[4] << 24) | (p[5] << 16)
- | (p[6] << 8) | p[7];
- (*rr)->u.sig->sig_expiration = (p[8] << 24) | (p[9] << 16)
- | (p[10] << 8) | p[11];
- (*rr)->u.sig->sig_inception = (p[12] << 24) | (p[13] << 16)
- | (p[14] << 8) | p[15];
- (*rr)->u.sig->key_tag = (p[16] << 8) | p[17];
- (*rr)->u.sig->sig_len = sig_len;
- memcpy ((*rr)->u.sig->sig_data, p + 18 + status, sig_len);
- (*rr)->u.sig->signer = &(*rr)->u.sig->sig_data[sig_len];
- strcpy((*rr)->u.sig->signer, host);
- break;
- }
-
- case T_CERT : {
- size_t cert_len;
-
- cert_len = size - 5;
- (*rr)->u.cert = malloc (sizeof(*(*rr)->u.cert) + cert_len - 1);
- if ((*rr)->u.cert == NULL) {
- dns_free_data (r);
- return NULL;
- }
-
- (*rr)->u.cert->type = (p[0] << 8) | p[1];
- (*rr)->u.cert->tag = (p[2] << 8) | p[3];
- (*rr)->u.cert->algorithm = p[4];
- (*rr)->u.cert->cert_len = cert_len;
- memcpy ((*rr)->u.cert->cert_data, p + 5, cert_len);
- break;
- }
- default:
- (*rr)->u.data = (unsigned char*)malloc(size);
- if(size != 0 && (*rr)->u.data == NULL) {
- dns_free_data(r);
- return NULL;
- }
- memcpy((*rr)->u.data, p, size);
- }
- p += size;
- rr = &(*rr)->next;
- }
- *rr = NULL;
- return r;
-}
-
-static struct dns_reply *
-dns_lookup_int(const char *domain, int rr_class, int rr_type)
-{
- unsigned char reply[1024];
- int len;
- struct dns_reply *r = NULL;
- u_long old_options = 0;
-
- if (_resolve_debug) {
- old_options = _res.options;
- _res.options |= RES_DEBUG;
- fprintf(stderr, "dns_lookup(%s, %d, %s)\n", domain,
- rr_class, dns_type_to_string(rr_type));
- }
- len = res_search(domain, rr_class, rr_type, reply, sizeof(reply));
- if (_resolve_debug) {
- _res.options = old_options;
- fprintf(stderr, "dns_lookup(%s, %d, %s) --> %d\n",
- domain, rr_class, dns_type_to_string(rr_type), len);
- }
- if (len >= 0)
- r = parse_reply(reply, len);
- return r;
-}
-
-struct dns_reply *
-dns_lookup(const char *domain, const char *type_name)
-{
- int type;
-
- type = dns_string_to_type(type_name);
- if(type == -1) {
- if(_resolve_debug)
- fprintf(stderr, "dns_lookup: unknown resource type: `%s'\n",
- type_name);
- return NULL;
- }
- return dns_lookup_int(domain, C_IN, type);
-}
-
-#else /* NOT defined(HAVE_RES_SEARCH) && defined(HAVE_DN_EXPAND) */
-
-struct dns_reply *
-dns_lookup(const char *domain, const char *type_name)
-{
- return NULL;
-}
-
-void
-dns_free_data(struct dns_reply *r)
-{
-}
-
-#endif
-
-#ifdef TEST
-int
-main(int argc, char **argv)
-{
- struct dns_reply *r;
- struct resource_record *rr;
- r = dns_lookup(argv[1], argv[2]);
- if(r == NULL){
- printf("No reply.\n");
- return 1;
- }
- for(rr = r->head; rr;rr=rr->next){
- printf("%s %s %d ", rr->domain, dns_type_to_string(rr->type), rr->ttl);
- switch(rr->type){
- case T_NS:
- case T_CNAME:
- case T_PTR:
- printf("%s\n", (char*)rr->u.data);
- break;
- case T_A:
- printf("%s\n", inet_ntoa(*rr->u.a));
- break;
- case T_MX:
- case T_AFSDB:{
- printf("%d %s\n", rr->u.mx->preference, rr->u.mx->domain);
- break;
- }
- case T_SRV:{
- struct srv_record *srv = rr->u.srv;
- printf("%d %d %d %s\n", srv->priority, srv->weight,
- srv->port, srv->target);
- break;
- }
- case T_TXT: {
- printf("%s\n", rr->u.txt);
- break;
- }
- case T_SIG : {
- struct sig_record *sig = rr->u.sig;
- const char *type_string = dns_type_to_string (sig->type);
-
- printf ("type %u (%s), algorithm %u, labels %u, orig_ttl %u, sig_expiration %u, sig_inception %u, key_tag %u, signer %s\n",
- sig->type, type_string ? type_string : "",
- sig->algorithm, sig->labels, sig->orig_ttl,
- sig->sig_expiration, sig->sig_inception, sig->key_tag,
- sig->signer);
- break;
- }
- case T_KEY : {
- struct key_record *key = rr->u.key;
-
- printf ("flags %u, protocol %u, algorithm %u\n",
- key->flags, key->protocol, key->algorithm);
- break;
- }
- default:
- printf("\n");
- break;
- }
- }
-
- return 0;
-}
-#endif
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