provide interface to find avaible databates
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15937 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
212
lib/hdb/dbinfo.c
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212
lib/hdb/dbinfo.c
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/*
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* Copyright (c) 2005 Kungliga Tekniska H<>gskolan
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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 "hdb_locl.h"
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RCSID("$Id$");
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struct hdb_dbinfo {
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char *label;
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char *realm;
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char *dbname;
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char *mkey_file;
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const krb5_config_binding *binding;
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struct hdb_dbinfo *next;
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};
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static int
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get_dbinfo(krb5_context context,
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const krb5_config_binding *db_binding,
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const char *label,
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struct hdb_dbinfo **db)
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{
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struct hdb_dbinfo *di;
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const char *p;
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*db = NULL;
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p = krb5_config_get_string(context, db_binding, "realm", NULL);
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if(p == NULL)
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return 0;
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di = calloc(1, sizeof(*di));
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if (di == NULL) {
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krb5_set_error_string(context, "malloc: out of memory");
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return ENOMEM;
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}
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di->label = strdup(label);
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di->realm = strdup(p);
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p = krb5_config_get_string(context, db_binding, "dbname", NULL);
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if(p)
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di->dbname = strdup(p);
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p = krb5_config_get_string(context, db_binding, "mkey_file", NULL);
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if(p)
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di->mkey_file = strdup(p);
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di->binding = db_binding;
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*db = di;
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return 0;
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}
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int
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hdb_get_dbinfo(krb5_context context, struct hdb_dbinfo **dbp)
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{
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const krb5_config_binding *db_binding;
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struct hdb_dbinfo *di, **dt, *databases;
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const char *default_dbname = HDB_DEFAULT_DB;
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const char *default_mkey = HDB_DB_DIR "/m-key";
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const char *p;
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int ret;
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*dbp = NULL;
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dt = NULL;
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databases = NULL;
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db_binding = krb5_config_get(context, NULL, krb5_config_list,
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"kdc",
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"database",
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NULL);
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if (db_binding) {
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ret = get_dbinfo(context, db_binding, "default", &di);
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if (ret == 0 && di) {
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databases = di;
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dt = &di->next;
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}
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for ( ; db_binding != NULL; db_binding = db_binding->next) {
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if (db_binding->type != krb5_config_list)
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continue;
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ret = get_dbinfo(context, db_binding->u.list,
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db_binding->name, &di);
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if (ret)
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krb5_err(context, 1, ret, "failed getting realm");
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if (di == NULL)
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continue;
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if (dt)
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*dt = di;
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else
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databases = di;
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dt = &di->next;
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}
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}
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if(databases == NULL) {
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/* if there are none specified, use some default */
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di = calloc(1, sizeof(*di));
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di->dbname = strdup(default_dbname);
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di->mkey_file = strdup(default_mkey);
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databases = di;
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}
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for(di = databases; di; di = di->next) {
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if(di->dbname == NULL)
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di->dbname = strdup(default_dbname);
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if(di->mkey_file == NULL) {
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p = strrchr(di->dbname, '.');
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if(p == NULL || strchr(p, '/') != NULL)
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/* final pathname component does not contain a . */
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asprintf(&di->mkey_file, "%s.mkey", di->dbname);
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else
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/* the filename is something.else, replace .else with
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.mkey */
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asprintf(&di->mkey_file, "%.*s.mkey",
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(int)(p - di->dbname), di->dbname);
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}
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}
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*dbp = databases;
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return 0;
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}
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struct hdb_dbinfo *
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hdb_dbinfo_get_next(struct hdb_dbinfo *dbp, struct hdb_dbinfo *dbprevp)
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{
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if (dbprevp == NULL)
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return dbp;
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else
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return dbprevp->next;
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}
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const char *
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hdb_dbinfo_get_label(krb5_context context, struct hdb_dbinfo *dbp)
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{
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return dbp->label;
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}
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const char *
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hdb_dbinfo_get_realm(krb5_context context, struct hdb_dbinfo *dbp)
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{
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return dbp->realm;
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}
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const char *
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hdb_dbinfo_get_dbname(krb5_context context, struct hdb_dbinfo *dbp)
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{
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return dbp->dbname;
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}
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const char *
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hdb_dbinfo_get_mkey_file(krb5_context context, struct hdb_dbinfo *dbp)
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{
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return dbp->mkey_file;
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}
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const krb5_config_binding *
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hdb_dbinfo_get_binding(krb5_context context, struct hdb_dbinfo *dbp)
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{
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return dbp->binding;
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}
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void
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hdb_free_dbinfo(krb5_context context, struct hdb_dbinfo **dbp)
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{
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struct hdb_dbinfo *di, *ndi;
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for(di = *dbp; di != NULL; di = ndi) {
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ndi = di->next;
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free (di->realm);
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free (di->dbname);
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if (di->mkey_file)
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free (di->mkey_file);
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free(di);
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}
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*dbp = NULL;
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}
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90
lib/hdb/test_dbinfo.c
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90
lib/hdb/test_dbinfo.c
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@@ -0,0 +1,90 @@
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/*
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* Copyright (c) 2005 Kungliga Tekniska H<>gskolan
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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 "hdb_locl.h"
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#include <getarg.h>
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RCSID("$Id$");
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static int help_flag;
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static int version_flag;
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struct getargs args[] = {
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{ "help", 'h', arg_flag, &help_flag },
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{ "version", 0, arg_flag, &version_flag }
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};
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static int num_args = sizeof(args) / sizeof(args[0]);
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int
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main(int argc, char **argv)
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{
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struct hdb_dbinfo *info, *d;
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krb5_context context;
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int ret, o = 0;
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setprogname(argv[0]);
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if(getarg(args, num_args, argc, argv, &o))
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krb5_std_usage(1, args, num_args);
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if(help_flag)
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krb5_std_usage(0, args, num_args);
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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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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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ret = hdb_get_dbinfo(context, &info);
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if (ret)
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krb5_err(context, 1, ret, "hdb_get_dbinfo");
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d = NULL;
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while ((d = hdb_dbinfo_get_next(info, d)) != NULL) {
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printf("label: %s\n", hdb_dbinfo_get_label(context, d));
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printf("\trealm: %s\n", hdb_dbinfo_get_realm(context, d));
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printf("\tdbname: %s\n", hdb_dbinfo_get_dbname(context, d));
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printf("\tmkey_file: %s\n", hdb_dbinfo_get_mkey_file(context, d));
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}
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hdb_free_dbinfo(context, &info);
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krb5_free_context(context);
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return 0;
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}
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