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/*
* Copyright (c) 2000 - 2004 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.
*/
#include "kuser_locl.h"
RCSID("$Id: generate-requests.c 19233 2006-12-06 08:04:05Z lha $");
static krb5_error_code
null_key_proc (krb5_context context,
krb5_enctype type,
krb5_salt salt,
krb5_const_pointer keyseed,
krb5_keyblock **key)
{
return ENOTTY;
}
static unsigned
read_words (const char *filename, char ***ret_w)
{
unsigned n, alloc;
FILE *f;
char buf[256];
char **w = NULL;
f = fopen (filename, "r");
if (f == NULL)
err (1, "cannot open %s", filename);
alloc = n = 0;
while (fgets (buf, sizeof(buf), f) != NULL) {
buf[strcspn(buf, "\r\n")] = '\0';
if (n >= alloc) {
alloc += 16;
w = erealloc (w, alloc * sizeof(char **));
}
w[n++] = estrdup (buf);
}
*ret_w = w;
if (n == 0)
errx(1, "%s is an empty file, no words to try", filename);
return n;
}
static void
generate_requests (const char *filename, unsigned nreq)
{
krb5_context context;
krb5_error_code ret;
krb5_creds cred;
int i;
char **words;
unsigned nwords;
ret = krb5_init_context (&context);
if (ret)
errx (1, "krb5_init_context failed: %d", ret);
nwords = read_words (filename, &words);
for (i = 0; i < nreq; ++i) {
char *name = words[rand() % nwords];
krb5_realm *client_realm;
memset(&cred, 0, sizeof(cred));
ret = krb5_parse_name (context, name, &cred.client);
if (ret)
krb5_err (context, 1, ret, "krb5_parse_name %s", name);
client_realm = krb5_princ_realm (context, cred.client);
ret = krb5_make_principal(context, &cred.server, *client_realm,
KRB5_TGS_NAME, *client_realm, NULL);
if (ret)
krb5_err (context, 1, ret, "krb5_make_principal");
ret = krb5_get_in_cred (context, 0, NULL, NULL, NULL, NULL,
null_key_proc, NULL, NULL, NULL,
&cred, NULL);
krb5_free_cred_contents (context, &cred);
}
}
static int version_flag = 0;
static int help_flag = 0;
static struct getargs args[] = {
{ "version", 0, arg_flag, &version_flag },
{ "help", 0, arg_flag, &help_flag }
};
static void
usage (int ret)
{
arg_printusage (args,
sizeof(args)/sizeof(*args),
NULL,
"file number");
exit (ret);
}
int
main(int argc, char **argv)
{
int optidx = 0;
int nreq;
char *end;
setprogname(argv[0]);
if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
usage(1);
if (help_flag)
usage (0);
if(version_flag) {
print_version(NULL);
exit(0);
}
argc -= optidx;
argv += optidx;
if (argc != 2)
usage (1);
srand (0);
nreq = strtol (argv[1], &end, 0);
if (argv[1] == end || *end != '\0')
usage (1);
generate_requests (argv[0], nreq);
return 0;
}
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