177 lines
4.3 KiB
C
177 lines
4.3 KiB
C
/* $NetBSD: ktutil.c,v 1.1.1.1 2011/04/13 18:14:32 elric Exp $ */
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/*
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* Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "ktutil_locl.h"
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#include <err.h>
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__RCSID("$NetBSD: ktutil.c,v 1.1.1.1 2011/04/13 18:14:32 elric Exp $");
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static int help_flag;
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static int version_flag;
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int verbose_flag;
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char *keytab_string;
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static char keytab_buf[256];
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static struct getargs args[] = {
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{
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"version",
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0,
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arg_flag,
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&version_flag,
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NULL,
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NULL
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},
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{
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"help",
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'h',
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arg_flag,
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&help_flag,
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NULL,
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NULL
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},
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{
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"keytab",
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'k',
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arg_string,
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&keytab_string,
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"keytab",
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"keytab to operate on"
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},
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{
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"verbose",
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'v',
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arg_flag,
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&verbose_flag,
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"verbose",
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"run verbosely"
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}
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};
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static int num_args = sizeof(args) / sizeof(args[0]);
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krb5_context context;
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krb5_keytab
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ktutil_open_keytab(void)
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{
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krb5_error_code ret;
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krb5_keytab keytab;
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if (keytab_string == NULL) {
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ret = krb5_kt_default_name (context, keytab_buf, sizeof(keytab_buf));
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if (ret) {
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krb5_warn(context, ret, "krb5_kt_default_name");
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return NULL;
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}
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keytab_string = keytab_buf;
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}
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ret = krb5_kt_resolve(context, keytab_string, &keytab);
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if (ret) {
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krb5_warn(context, ret, "resolving keytab %s", keytab_string);
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return NULL;
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}
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if (verbose_flag)
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fprintf (stderr, "Using keytab %s\n", keytab_string);
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return keytab;
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}
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int
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help(void *opt, int argc, char **argv)
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{
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if(argc == 0) {
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sl_help(commands, 1, argv - 1 /* XXX */);
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} else {
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SL_cmd *c = sl_match (commands, argv[0], 0);
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if(c == NULL) {
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fprintf (stderr, "No such command: %s. "
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"Try \"help\" for a list of commands\n",
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argv[0]);
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} else {
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if(c->func) {
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char *fake[] = { NULL, "--help", NULL };
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fake[0] = argv[0];
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(*c->func)(2, fake);
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fprintf(stderr, "\n");
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}
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if(c->help && *c->help)
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fprintf (stderr, "%s\n", c->help);
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if((++c)->name && c->func == NULL) {
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int f = 0;
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fprintf (stderr, "Synonyms:");
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while (c->name && c->func == NULL) {
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fprintf (stderr, "%s%s", f ? ", " : " ", (c++)->name);
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f = 1;
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}
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fprintf (stderr, "\n");
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}
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}
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}
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return 0;
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}
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static void
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usage(int status)
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{
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arg_printusage(args, num_args, NULL, "command");
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exit(status);
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}
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int
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main(int argc, char **argv)
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{
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int optidx = 0;
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krb5_error_code ret;
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setprogname(argv[0]);
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ret = krb5_init_context(&context);
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if (ret)
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errx (1, "krb5_init_context failed: %d", ret);
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if(getarg(args, num_args, argc, argv, &optidx))
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usage(1);
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if(help_flag)
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usage(0);
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if(version_flag) {
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print_version(NULL);
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exit(0);
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}
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argc -= optidx;
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argv += optidx;
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if(argc == 0)
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usage(1);
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ret = sl_command(commands, argc, argv);
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if(ret == -1)
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krb5_warnx (context, "unrecognized command: %s", argv[0]);
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return ret;
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}
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