diff options
Diffstat (limited to 'kuser/generate-requests.c')
| -rw-r--r-- | kuser/generate-requests.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/kuser/generate-requests.c b/kuser/generate-requests.c new file mode 100644 index 000000000000..95d8dc968bbf --- /dev/null +++ b/kuser/generate-requests.c @@ -0,0 +1,161 @@ +/* + * 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; +} |