diff options
Diffstat (limited to 'kuser/kdestroy.c')
| -rw-r--r-- | kuser/kdestroy.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/kuser/kdestroy.c b/kuser/kdestroy.c new file mode 100644 index 0000000..5358fcd --- /dev/null +++ b/kuser/kdestroy.c @@ -0,0 +1,150 @@ +/* + * Copyright (c) 1997 - 2000, 2003 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: kdestroy.c 20458 2007-04-19 20:41:27Z lha $"); + +static const char *cache; +static const char *credential; +static int help_flag; +static int version_flag; +static int unlog_flag = 1; +static int dest_tkt_flag = 1; + +struct getargs args[] = { + { "credential", 0, arg_string, &credential, + "remove one credential", "principal" }, + { "cache", 'c', arg_string, &cache, "cache to destroy", "cache" }, + { "unlog", 0, arg_negative_flag, &unlog_flag, + "do not destroy tokens", NULL }, + { "delete-v4", 0, arg_negative_flag, &dest_tkt_flag, + "do not destroy v4 tickets", NULL }, + { "version", 0, arg_flag, &version_flag, NULL, NULL }, + { "help", 'h', arg_flag, &help_flag, NULL, NULL} +}; + +int num_args = sizeof(args) / sizeof(args[0]); + +static void +usage (int status) +{ + arg_printusage (args, num_args, NULL, ""); + exit (status); +} + +int +main (int argc, char **argv) +{ + krb5_error_code ret; + krb5_context context; + krb5_ccache ccache; + int optidx = 0; + int exit_val = 0; + + setprogname (argv[0]); + + if(getarg(args, num_args, argc, argv, &optidx)) + usage(1); + + if (help_flag) + usage (0); + + if(version_flag){ + print_version(NULL); + exit(0); + } + + argc -= optidx; + argv += optidx; + + if (argc != 0) + usage (1); + + ret = krb5_init_context (&context); + if (ret) + errx (1, "krb5_init_context failed: %d", ret); + + if(cache == NULL) { + cache = krb5_cc_default_name(context); + if (cache == NULL) { + warnx ("krb5_cc_default_name: %s", krb5_get_err_text(context, ret)); + exit(1); + } + } + + ret = krb5_cc_resolve(context, + cache, + &ccache); + + if (ret == 0) { + if (credential) { + krb5_creds mcred; + + krb5_cc_clear_mcred(&mcred); + + ret = krb5_parse_name(context, credential, &mcred.server); + if (ret) + krb5_err(context, 1, ret, + "Can't parse principal %s", credential); + + ret = krb5_cc_remove_cred(context, ccache, 0, &mcred); + if (ret) + krb5_err(context, 1, ret, + "Failed to remove principal %s", credential); + + krb5_cc_close(context, ccache); + krb5_free_principal(context, mcred.server); + krb5_free_context(context); + return 0; + } + + ret = krb5_cc_destroy (context, ccache); + if (ret) { + warnx ("krb5_cc_destroy: %s", krb5_get_err_text(context, ret)); + exit_val = 1; + } + } else { + warnx ("krb5_cc_resolve(%s): %s", cache, + krb5_get_err_text(context, ret)); + exit_val = 1; + } + + krb5_free_context (context); + + if (unlog_flag && k_hasafs ()) { + if (k_unlog ()) + exit_val = 1; + } + + return exit_val; +} |
