7b2107fd2d
The resolver plugin doesn't have a way to say "and stop here", so the lookup done in lib/krb5/test_plugin.c can produce more results than used to be expected, and indeed nowadays it does. The fix is to ensure that we have the desired results and ignore the others.
130 lines
3.5 KiB
C
130 lines
3.5 KiB
C
/*
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* Copyright (c) 2006 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <krb5_locl.h>
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#include "locate_plugin.h"
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static krb5_error_code
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resolve_init(krb5_context context, void **ctx)
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{
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*ctx = NULL;
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return 0;
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}
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static void
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resolve_fini(void *ctx)
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{
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}
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static krb5_error_code
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resolve_lookup(void *ctx,
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enum locate_service_type service,
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const char *realm,
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int domain,
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int type,
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int (*add)(void *,int,struct sockaddr *),
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void *addctx)
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{
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struct sockaddr_in s;
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memset(&s, 0, sizeof(s));
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#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
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s.sin_len = sizeof(s);
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#endif
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s.sin_family = AF_INET;
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s.sin_port = htons(88);
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s.sin_addr.s_addr = htonl(0x7f000002);
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if (strcmp(realm, "NOTHERE.H5L.SE") == 0)
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(*add)(addctx, type, (struct sockaddr *)&s);
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return 0;
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}
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krb5plugin_service_locate_ftable resolve = {
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0,
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resolve_init,
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resolve_fini,
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resolve_lookup,
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NULL
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};
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int
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main(int argc, char **argv)
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{
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krb5_error_code ret;
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krb5_context context;
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krb5_krbhst_handle handle;
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char host[MAXHOSTNAMELEN];
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int found = 0;
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setprogname(argv[0]);
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ret = krb5_init_context(&context);
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if (ret)
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errx(1, "krb5_init_contex");
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ret = krb5_plugin_register(context, PLUGIN_TYPE_DATA,
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KRB5_PLUGIN_LOCATE, &resolve);
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if (ret)
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krb5_err(context, 1, ret, "krb5_plugin_register");
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ret = krb5_krbhst_init_flags(context,
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"NOTHERE.H5L.SE",
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KRB5_KRBHST_KDC,
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0,
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&handle);
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if (ret)
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krb5_err(context, 1, ret, "krb5_krbhst_init_flags");
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while(krb5_krbhst_next_as_string(context, handle, host, sizeof(host)) == 0){
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found++;
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if (!found && strcmp(host, "127.0.0.2") != 0 && strcmp(host, "tcp/127.0.0.2") != 0)
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krb5_errx(context, 1, "wrong address: %s", host);
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}
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if (!found)
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krb5_errx(context, 1, "failed to find host");
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if (found < 2)
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krb5_errx(context, 1, "did not get the two expected results");
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krb5_krbhst_free(context, handle);
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krb5_free_context(context);
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return 0;
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}
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