146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/*
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* Copyright (c) 2000 - 2004 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 "kuser_locl.h"
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static unsigned
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read_words (const char *filename, char ***ret_w)
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{
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unsigned n, alloc;
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FILE *f;
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char buf[256];
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char **w = NULL;
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f = fopen (filename, "r");
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if (f == NULL)
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err (1, "cannot open %s", filename);
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alloc = n = 0;
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while (fgets (buf, sizeof(buf), f) != NULL) {
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buf[strcspn(buf, "\r\n")] = '\0';
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if (n >= alloc) {
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alloc += 16;
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w = erealloc (w, alloc * sizeof(char **));
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}
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w[n++] = estrdup (buf);
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}
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*ret_w = w;
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if (n == 0)
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errx(1, "%s is an empty file, no words to try", filename);
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fclose(f);
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return n;
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}
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static void
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generate_requests (const char *filename, unsigned nreq)
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{
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krb5_principal client;
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krb5_context context;
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krb5_error_code ret;
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krb5_creds cred;
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int i;
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char **words;
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unsigned nwords;
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ret = krb5_init_context (&context);
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if (ret)
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errx (1, "krb5_init_context failed: %d", ret);
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nwords = read_words (filename, &words);
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for (i = 0; i < nreq; ++i) {
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char *name = words[rand() % nwords];
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memset(&cred, 0, sizeof(cred));
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ret = krb5_parse_name (context, name, &client);
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if (ret)
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krb5_err (context, 1, ret, "krb5_parse_name %s", name);
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ret = krb5_get_init_creds_password (context, &cred, client, "",
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NULL, NULL, 0, NULL, NULL);
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if (ret)
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krb5_free_cred_contents (context, &cred);
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krb5_free_principal(context, client);
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}
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}
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static int version_flag = 0;
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static int help_flag = 0;
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static struct getargs args[] = {
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{ "version", 0, arg_flag, &version_flag },
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{ "help", 0, arg_flag, &help_flag }
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};
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static void
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usage (int ret)
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{
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arg_printusage (args,
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sizeof(args)/sizeof(*args),
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NULL,
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"file number");
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exit (ret);
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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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int optidx = 0;
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int nreq;
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char *end;
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setprogname(argv[0]);
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if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
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usage(1);
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if (help_flag)
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usage (0);
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if(version_flag) {
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print_version(NULL);
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exit(0);
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}
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argc -= optidx;
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argv += optidx;
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if (argc != 2)
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usage (1);
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srand (0);
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nreq = strtol (argv[1], &end, 0);
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if (argv[1] == end || *end != '\0')
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usage (1);
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generate_requests (argv[0], nreq);
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return 0;
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}
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