diff options
Diffstat (limited to 'third_party/heimdal/kadmin/add-random-users.c')
| -rw-r--r-- | third_party/heimdal/kadmin/add-random-users.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/third_party/heimdal/kadmin/add-random-users.c b/third_party/heimdal/kadmin/add-random-users.c new file mode 100644 index 0000000..e2dc303 --- /dev/null +++ b/third_party/heimdal/kadmin/add-random-users.c @@ -0,0 +1,184 @@ +/* + * 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" + +#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; + + buf[strcspn(buf, "\r\n")] = '\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; + } + if (n == 0) + errx(1, "%s is an empty file, no words to try", filename); + *ret_w = w; + fclose(f); + return n; +} + +static void +add_user (krb5_context ctx, void *hndl, 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(ctx, name, &princ.principal); + if (ret) + krb5_err(ctx, 1, ret, "krb5_parse_name"); + + ret = kadm5_create_principal (hndl, &princ, mask, name); + if (ret) + krb5_err (ctx, 1, ret, "kadm5_create_principal"); + kadm5_free_principal_ent(hndl, &princ); + printf ("%s\n", name); +} + +static void +add_users (const char *filename, unsigned n) +{ + krb5_error_code ret; + int i; + void *hndl; + krb5_context ctx; + unsigned nwords; + char **words; + + ret = krb5_init_context(&ctx); + if (ret) + errx (1, "krb5_init_context failed: %d", ret); + ret = kadm5_s_init_with_password_ctx(ctx, + KADM5_ADMIN_SERVICE, + NULL, + KADM5_ADMIN_SERVICE, + NULL, 0, 0, + &hndl); + if(ret) + krb5_err(ctx, 1, ret, "kadm5_init_with_password"); + + nwords = read_words (filename, &words); + + for (i = 0; i < n; ++i) + add_user (ctx, hndl, nwords, words); + kadm5_destroy(hndl); + krb5_free_context(ctx); + free(words); +} + +static int version_flag = 0; +static int help_flag = 0; + +static struct getargs args[] = { + { "version", 0, arg_flag, &version_flag, NULL, NULL }, + { "help", 0, arg_flag, &help_flag, NULL, NULL } +}; + +static void +usage (int ret) +{ + arg_printusage (args, + sizeof(args)/sizeof(*args), + NULL, + "[filename [n]]"); + exit (ret); +} + +int +main(int argc, char **argv) +{ + int optidx = 0; + int n = NUSERS; + const char *filename = WORDS_FILENAME; + + 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); + return 0; + } + srand (0); + argc -= optidx; + argv += optidx; + + if (argc > 0) { + if (argc > 1) + n = atoi(argv[1]); + filename = argv[0]; + } + + add_users (filename, n); + return 0; +} |