s4:heimdal: import lorikeet-heimdal-202201172009 (commit 5a0b45cd723628b3690ea848548b...

[samba.git] / source4 / heimdal / kuser / generate-requests.c

diff --git a/source4/heimdal/kuser/generate-requests.c b/source4/heimdal/kuser/generate-requests.c
new file mode 100644 (file)
index 0000000..1196c16
--- /dev/null
+++ b/source4/heimdal/kuser/generate-requests.c
@@ -0,0 +1,146 @@
+/*
+ * 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"
+
+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);
+    fclose(f);
+    return n;
+}
+
+static void
+generate_requests (const char *filename, unsigned nreq)
+{
+    krb5_principal client;
+    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];
+
+       memset(&cred, 0, sizeof(cred));
+
+       ret = krb5_parse_name (context, name, &client);
+       if (ret)
+           krb5_err (context, 1, ret, "krb5_parse_name %s", name);
+
+       ret = krb5_get_init_creds_password (context, &cred, client, "",
+                                           NULL, NULL, 0, NULL, NULL);
+       if (ret)
+           krb5_free_cred_contents (context, &cred);
+       krb5_free_principal(context, client);
+    }
+    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,
+                   "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;
+}