summaryrefslogtreecommitdiff
path: root/crypto/kerberosIV/lib/krb/resolve.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/kerberosIV/lib/krb/resolve.c')
-rw-r--r--crypto/kerberosIV/lib/krb/resolve.c288
1 files changed, 0 insertions, 288 deletions
diff --git a/crypto/kerberosIV/lib/krb/resolve.c b/crypto/kerberosIV/lib/krb/resolve.c
deleted file mode 100644
index 7777c0e854b2..000000000000
--- a/crypto/kerberosIV/lib/krb/resolve.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- * Copyright (c) 1995, 1996, 1997 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the Kungliga Tekniska
- * Högskolan and its contributors.
- *
- * 4. 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.
- */
-
-#include "krb_locl.h"
-#include "resolve.h"
-
-RCSID("$Id: resolve.c,v 1.11 1997/06/01 04:19:20 assar Exp $");
-
-#if defined(HAVE_RES_SEARCH) && defined(HAVE_DN_EXPAND)
-
-#define DECL(X) {#X, T_##X}
-
-static struct stot{
- char *name;
- int type;
-}stot[] = {
- DECL(A),
- DECL(NS),
- DECL(CNAME),
- DECL(PTR),
- DECL(MX),
- DECL(TXT),
- DECL(AFSDB),
- DECL(SRV),
- {NULL, 0}
-};
-
-static int
-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;
-}
-
-#if 0
-static char *
-type_to_string(int type)
-{
- struct stot *p = stot;
- for(p = stot; p->name; p++)
- if(type == p->type)
- return p->name;
- return NULL;
-}
-#endif
-
-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 = (struct dns_reply*)malloc(sizeof(struct dns_reply));
- memset(r, 0, sizeof(struct dns_reply));
-
- p = data;
- memcpy(&r->h, p, sizeof(HEADER));
- p += sizeof(HEADER);
- status = dn_expand(data, data + len, p, host, sizeof(host));
- if(status < 0){
- dns_free_data(r);
- return NULL;
- }
- r->q.domain = strdup(host);
- 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));
- (*rr)->domain = strdup(host);
- (*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);
- 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));
- (*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));
- (*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);
- strncpy((*rr)->u.txt, (char*)p + 1, *p);
- (*rr)->u.txt[*p] = 0;
- break;
- }
-
- default:
- (*rr)->u.data = (unsigned char*)malloc(size);
- memcpy((*rr)->u.data, p, size);
- }
- p += size;
- rr = &(*rr)->next;
- }
- *rr = NULL;
- return r;
-}
-
-
-
-struct dns_reply *
-dns_lookup(const char *domain, const char *type_name)
-{
- unsigned char reply[1024];
- int len;
- int type;
- struct dns_reply *r = NULL;
-
- type = string_to_type(type_name);
- len = res_search(domain, C_IN, type, reply, sizeof(reply));
- if(len >= 0)
- r = parse_reply(reply, len);
- return r;
-}
-
-#else /* 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, type_to_string(rr->type), rr->ttl);
- switch(rr->type){
- case T_NS:
- printf("%s\n", (char*)rr->data);
- break;
- case T_A:
- printf("%d.%d.%d.%d\n",
- ((unsigned char*)rr->data)[0],
- ((unsigned char*)rr->data)[1],
- ((unsigned char*)rr->data)[2],
- ((unsigned char*)rr->data)[3]);
- break;
- case T_MX:
- case T_AFSDB:{
- struct mx_record *mx = (struct mx_record*)rr->data;
- printf("%d %s\n", mx->preference, mx->domain);
- break;
- }
- case T_SRV:{
- struct srv_record *srv = (struct srv_record*)rr->data;
- printf("%d %d %d %s\n", srv->priority, srv->weight,
- srv->port, srv->target);
- break;
- }
- default:
- printf("\n");
- break;
- }
- }
-
- return 0;
-}
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-01 03:21:23 +0000