2 * Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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7 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
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15 * documentation and/or other materials provided with the distribution.
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18 * may be used to endorse or promote products derived from this software
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34 #include "kadmin_locl.h"
36 RCSID("$Id: add-random-users.c 19213 2006-12-04 23:36:36Z lha $");
38 #define WORDS_FILENAME "/usr/share/dict/words"
42 #define WORDBUF_SIZE 65535
45 read_words (const char *filename, char ***ret_w)
51 char *wbuf = NULL, *wptr = NULL, *wend = NULL;
53 f = fopen (filename, "r");
55 err (1, "cannot open %s", filename);
57 while (fgets (buf, sizeof(buf), f) != NULL) {
60 buf[strcspn(buf, "\r\n")] = '\0';
62 alloc = max(alloc + 16, alloc * 2);
63 w = erealloc (w, alloc * sizeof(char **));
66 if (wptr + len + 1 >= wend) {
67 wptr = wbuf = emalloc (WORDBUF_SIZE);
68 wend = wbuf + WORDBUF_SIZE;
70 memmove (wptr, buf, len + 1);
75 errx(1, "%s is an empty file, no words to try", filename);
81 add_user (krb5_context context, void *kadm_handle,
82 unsigned nwords, char **words)
84 kadm5_principal_ent_rec princ;
93 snprintf (name, sizeof(name), "%s%d", words[r1 % nwords], r2 % 1000);
95 mask = KADM5_PRINCIPAL;
97 memset(&princ, 0, sizeof(princ));
98 ret = krb5_parse_name(context, name, &princ.principal);
100 krb5_err(context, 1, ret, "krb5_parse_name");
102 ret = kadm5_create_principal (kadm_handle, &princ, mask, name);
104 krb5_err (context, 1, ret, "kadm5_create_principal");
105 kadm5_free_principal_ent(kadm_handle, &princ);
106 printf ("%s\n", name);
110 add_users (const char *filename, unsigned n)
115 krb5_context context;
119 ret = krb5_init_context(&context);
121 errx (1, "krb5_init_context failed: %d", ret);
122 ret = kadm5_s_init_with_password_ctx(context,
129 krb5_err(context, 1, ret, "kadm5_init_with_password");
131 nwords = read_words (filename, &words);
133 for (i = 0; i < n; ++i)
134 add_user (context, kadm_handle, nwords, words);
135 kadm5_destroy(kadm_handle);
136 krb5_free_context(context);
139 static int version_flag = 0;
140 static int help_flag = 0;
142 static struct getargs args[] = {
143 { "version", 0, arg_flag, &version_flag },
144 { "help", 0, arg_flag, &help_flag }
150 arg_printusage (args,
151 sizeof(args)/sizeof(*args),
158 main(int argc, char **argv)
162 const char *filename = WORDS_FILENAME;
164 setprogname(argv[0]);
165 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
183 add_users (filename, n);