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/*
* Copyright (c) 2000 - 2001 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 "kadmin_locl.h"
RCSID("$Id: add-random-users.c,v 1.6 2001/09/20 09:17:33 assar Exp $");
#define WORDS_FILENAME "/usr/share/dict/words"
#define NUSERS 1000
#define WORDBUF_SIZE 65535
static unsigned
read_words (const char *filename, char ***ret_w)
{
unsigned n, alloc;
FILE *f;
char buf[256];
char **w = NULL;
char *wbuf = NULL, *wptr = NULL, *wend = NULL;
f = fopen (filename, "r");
if (f == NULL)
err (1, "cannot open %s", filename);
alloc = n = 0;
while (fgets (buf, sizeof(buf), f) != NULL) {
size_t len;
if (buf[strlen (buf) - 1] == '\n')
buf[strlen (buf) - 1] = '\0';
if (n >= alloc) {
alloc = max(alloc + 16, alloc * 2);
w = erealloc (w, alloc * sizeof(char **));
}
len = strlen(buf);
if (wptr + len + 1 >= wend) {
wptr = wbuf = emalloc (WORDBUF_SIZE);
wend = wbuf + WORDBUF_SIZE;
}
memmove (wptr, buf, len + 1);
w[n++] = wptr;
wptr += len + 1;
}
*ret_w = w;
return n;
}
static void
add_user (krb5_context context, void *kadm_handle,
unsigned nwords, char **words)
{
kadm5_principal_ent_rec princ;
char name[64];
int r1, r2;
krb5_error_code ret;
int mask;
r1 = rand();
r2 = rand();
snprintf (name, sizeof(name), "%s%d", words[r1 % nwords], r2 % 1000);
mask = KADM5_PRINCIPAL;
memset(&princ, 0, sizeof(princ));
ret = krb5_parse_name(context, name, &princ.principal);
if (ret)
krb5_err(context, 1, ret, "krb5_parse_name");
ret = kadm5_create_principal (kadm_handle, &princ, mask, name);
if (ret)
krb5_err (context, 1, ret, "kadm5_create_principal");
kadm5_free_principal_ent(kadm_handle, &princ);
printf ("%s\n", name);
}
static void
add_users (const char *filename, unsigned n)
{
krb5_error_code ret;
int i;
void *kadm_handle;
krb5_context context;
unsigned nwords;
char **words;
ret = krb5_init_context(&context);
if (ret)
errx (1, "krb5_init_context failed: %d", ret);
ret = kadm5_s_init_with_password_ctx(context,
KADM5_ADMIN_SERVICE,
NULL,
KADM5_ADMIN_SERVICE,
NULL, 0, 0,
&kadm_handle);
if(ret)
krb5_err(context, 1, ret, "kadm5_init_with_password");
nwords = read_words (filename, &words);
for (i = 0; i < n; ++i)
add_user (context, kadm_handle, nwords, words);
kadm5_destroy(kadm_handle);
krb5_free_context(context);
}
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,
"[filename [n]]");
exit (ret);
}
int
main(int argc, char **argv)
{
int optind = 0;
int n = NUSERS;
const char *filename = WORDS_FILENAME;
setprogname(argv[0]);
if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind))
usage(1);
if (help_flag)
usage (0);
if (version_flag) {
print_version(NULL);
return 0;
}
srand (0);
argc -= optind;
argv += optind;
if (argc > 0) {
if (argc > 1)
n = atoi(argv[1]);
filename = argv[0];
}
add_users (filename, n);
return 0;
}
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