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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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* Copyright 2011 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "common.h"
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static void
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usage(void)
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{
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fprintf(stderr,
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"Usage: t_credstore [-sabi] principal [{key value} ...]\n");
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exit(1);
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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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OM_uint32 minor, major;
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gss_key_value_set_desc store;
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gss_name_t name;
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gss_cred_usage_t cred_usage = GSS_C_BOTH;
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gss_OID_set mechs = GSS_C_NO_OID_SET;
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gss_cred_id_t cred = GSS_C_NO_CREDENTIAL;
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gss_ctx_id_t ictx = GSS_C_NO_CONTEXT, actx = GSS_C_NO_CONTEXT;
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gss_buffer_desc itok, atok;
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krb5_boolean store_creds = FALSE, replay = FALSE;
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char opt;
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/* Parse options. */
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for (argv++; *argv != NULL && **argv == '-'; argv++) {
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opt = (*argv)[1];
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if (opt == 's')
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store_creds = TRUE;
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else if (opt == 'r')
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replay = TRUE;
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else if (opt == 'a')
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cred_usage = GSS_C_ACCEPT;
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else if (opt == 'b')
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cred_usage = GSS_C_BOTH;
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else if (opt == 'i')
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cred_usage = GSS_C_INITIATE;
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else
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usage();
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}
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/* Get the principal name. */
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if (*argv == NULL)
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usage();
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name = import_name(*argv++);
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/* Put any remaining arguments into the store. */
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store.elements = calloc(argc, sizeof(struct gss_key_value_element_struct));
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if (!store.elements)
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errout("OOM");
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store.count = 0;
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while (*argv != NULL) {
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if (*(argv + 1) == NULL)
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usage();
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store.elements[store.count].key = *argv;
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store.elements[store.count].value = *(argv + 1);
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store.count++;
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argv += 2;
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}
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if (store_creds) {
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/* Acquire default creds and try to store them in the cred store. */
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major = gss_acquire_cred(&minor, GSS_C_NO_NAME, 0, GSS_C_NO_OID_SET,
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GSS_C_INITIATE, &cred, NULL, NULL);
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check_gsserr("gss_acquire_cred", major, minor);
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major = gss_store_cred_into(&minor, cred, GSS_C_INITIATE,
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GSS_C_NO_OID, 1, 0, &store, NULL, NULL);
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check_gsserr("gss_store_cred_into", major, minor);
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gss_release_cred(&minor, &cred);
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}
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/* Try to acquire creds from store. */
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major = gss_acquire_cred_from(&minor, name, 0, mechs, cred_usage,
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&store, &cred, NULL, NULL);
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check_gsserr("gss_acquire_cred_from", major, minor);
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if (replay) {
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/* Induce a replay using cred as the acceptor cred, to test the replay
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* cache indicated by the store. */
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major = gss_init_sec_context(&minor, GSS_C_NO_CREDENTIAL, &ictx, name,
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&mech_krb5, 0, GSS_C_INDEFINITE,
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GSS_C_NO_CHANNEL_BINDINGS,
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GSS_C_NO_BUFFER, NULL, &itok, NULL, NULL);
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check_gsserr("gss_init_sec_context", major, minor);
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(void)gss_delete_sec_context(&minor, &ictx, NULL);
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major = gss_accept_sec_context(&minor, &actx, cred, &itok,
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GSS_C_NO_CHANNEL_BINDINGS, NULL, NULL,
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&atok, NULL, NULL, NULL);
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check_gsserr("gss_accept_sec_context(1)", major, minor);
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(void)gss_release_buffer(&minor, &atok);
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(void)gss_delete_sec_context(&minor, &actx, NULL);
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major = gss_accept_sec_context(&minor, &actx, cred, &itok,
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GSS_C_NO_CHANNEL_BINDINGS, NULL, NULL,
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&atok, NULL, NULL, NULL);
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check_gsserr("gss_accept_sec_context(2)", major, minor);
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(void)gss_release_buffer(&minor, &itok);
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(void)gss_release_buffer(&minor, &atok);
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(void)gss_delete_sec_context(&minor, &actx, NULL);
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}
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gss_release_name(&minor, &name);
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gss_release_cred(&minor, &cred);
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free(store.elements);
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return 0;
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}
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