/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* kadmin/ldap_util/kdb5_ldap_util.c
*
* (C) Copyright 1990,1991, 1996 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* Edit a KDC database.
*/
/*
* Copyright (C) 1998 by the FundsXpress, INC.
*
* All rights reserved.
*
* Export of this software from the United States of America may require
* a specific license from the United States Government. It is the
* responsibility of any person or organization contemplating export to
* obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of FundsXpress. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. FundsXpress makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
/* Copyright (c) 2004-2005, Novell, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * 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.
* * The copyright holder's name is not used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 <stdio.h>
#include <time.h>
#include <k5-int.h>
#include <kadm5/admin.h>
#include <adm_proto.h>
#include <libintl.h>
#include <locale.h>
#include "kdb5_ldap_util.h"
typedef void (*cmd_func)(int, char **);
int cmd_index(char *name);
char *mkey_password = 0;
int exit_status = 0;
krb5_context util_context;
kadm5_config_params global_params;
krb5_boolean db_inited = FALSE;
char *progname;
krb5_boolean manual_mkey = FALSE;
/*
* This function prints the usage of kdb5_ldap_util, which is
* the LDAP configuration utility.
*/
void usage()
{
fprintf(stderr, "%s: "
"kdb5_ldap_util [-D user_dn [-w passwd]] [-H ldapuri]\n"
"\tcmd [cmd_options]\n"
/* Create realm */
"create [-subtrees subtree_dn_list] [-sscope search_scope] [-containerref container_reference_dn]\n"
#ifdef HAVE_EDIRECTORY
"\t\t[-kdcdn kdc_service_list] [-admindn admin_service_list]\n"
"\t\t[-pwddn passwd_service_list]\n"
#endif
"\t\t[-m|-P password|-sf stashfilename] [-k mkeytype] [-s]\n"
"\t\t[-maxtktlife max_ticket_life] [-maxrenewlife max_renewable_ticket_life]\n"
"\t\t[ticket_flags] [-r realm]\n"
/* modify realm */
"modify [-subtrees subtree_dn_list] [-sscope search_scope] [-containerref container_reference_dn]\n"
#ifdef HAVE_EDIRECTORY
"\t\t[-kdcdn kdc_service_list |\n"
"\t\t[-clearkdcdn kdc_service_list] [-addkdcdn kdc_service_list]]\n"
"\t\t[-admindn admin_service_list | [-clearadmindn admin_service_list]\n"
"\t\t[-addadmindn admin_service_list]] [-pwddn passwd_service_list |\n"
"\t\t[-clearpwddn passwd_service_list] [-addpwddn passwd_service_list]]\n"
#endif
"\t\t[-maxtktlife max_ticket_life] [-maxrenewlife max_renewable_ticket_life]\n"
"\t\t[ticket_flags] [-r realm]\n"
/* View realm */
"view [-r realm]\n"
/* Destroy realm */
"destroy [-f] [-r realm]\n"
/* List realms */
"list\n"
#ifdef HAVE_EDIRECTORY
/* Create Service */
"create_service {-kdc|-admin|-pwd} [-servicehost service_host_list]\n"
"\t\t[-realm realm_list] \n"
"\t\t[-randpw|-fileonly] [-f filename] service_dn\n"
/* Modify service */
"modify_service [-servicehost service_host_list |\n"
"\t\t[-clearservicehost service_host_list]\n"
"\t\t[-addservicehost service_host_list]]\n"
"\t\t[-realm realm_list | [-clearrealm realm_list]\n"
"\t\t[-addrealm realm_list]] service_dn\n"
/* View Service */
"view_service service_dn\n"
/* Destroy Service */
"destroy_service [-force] [-f stashfilename] service_dn\n"
/* List services */
"list_service [-basedn base_dn]\n"
/* Set Service password */
"setsrvpw [-randpw|-fileonly] [-f filename] service_dn\n"
#else
/* Stash the service password */
"stashsrvpw [-f filename] service_dn\n"
#endif
/* Create policy */
"create_policy [-r realm] [-maxtktlife max_ticket_life]\n"
"\t\t[-maxrenewlife max_renewable_ticket_life] [ticket_flags] policy\n"
/* Modify policy */
"modify_policy [-r realm] [-maxtktlife max_ticket_life]\n"
"\t\t[-maxrenewlife max_renewable_ticket_life] [ticket_flags] policy\n"
/* View policy */
"view_policy [-r realm] policy\n"
/* Destroy policy */
"destroy_policy [-r realm] [-force] policy\n"
/* List policies */
"list_policy [-r realm]\n",
gettext("Usage"));
}
void db_usage (int type) {
/*
* This should print usage of 'type' command. For now, we will print usage
* of all commands.
*/
usage ();
}
/* The help messages for all sub-commands should be in the
* same order as listed in this table.
*/
static struct _cmd_table {
char *name;
cmd_func func;
int opendb;
} cmd_table[] = {
{"create", kdb5_ldap_create, 1},
{"modify", kdb5_ldap_modify, 1},
{"view", kdb5_ldap_view, 1},
{"destroy", kdb5_ldap_destroy, 1},
{"list", kdb5_ldap_list, 1},
#ifdef HAVE_EDIRECTORY
{"create_service", kdb5_ldap_create_service, 1},
{"modify_service", kdb5_ldap_modify_service, 1},
{"view_service", kdb5_ldap_view_service, 1},
{"destroy_service", kdb5_ldap_destroy_service, 1},
{"list_service",kdb5_ldap_list_services,1},
{"setsrvpw", kdb5_ldap_set_service_password, 0},
#else
{"stashsrvpw", kdb5_ldap_stash_service_password, 0},
#endif
{"create_policy", kdb5_ldap_create_policy, 1},
{"modify_policy", kdb5_ldap_modify_policy, 1},
{"view_policy", kdb5_ldap_view_policy, 1},
{"destroy_policy", kdb5_ldap_destroy_policy, 1},
{"list_policy", kdb5_ldap_list_policies, 1},
{NULL, NULL, 0},
};
/*
* The function cmd_lookup returns the structure matching the
* command name and returns NULL if nothing matches.
*/
static struct _cmd_table *cmd_lookup(name)
char *name;
{
int i;
for (i = 0; cmd_table[i].name != NULL; i++)
if (strcmp(cmd_table[i].name, name) == 0)
return &cmd_table[i];
return NULL;
}
/*
* The function cmd_index provides the offset of the command
* in the command table, which can be used to get the corresponding
* help from the help message table.
*/
int cmd_index(name)
char *name;
{
int i;
if (name == NULL)
return -1;
for (i = 0; cmd_table[i].name != NULL; i++)
if (strcmp(cmd_table[i].name, name) == 0)
return i;
return -1;
}
static void extended_com_err_fn (const char *myprog, errcode_t code,
const char *fmt, va_list args)
{
const char *emsg;
/* Solaris Kerberos: code should be like that in kdb5_util.c */
if (code) {
emsg = krb5_get_error_message (util_context, code);
fprintf (stderr, "%s: %s ", myprog, emsg);
krb5_free_error_message (util_context, emsg);
} else {
fprintf (stderr, "%s: ", myprog);
}
vfprintf (stderr, fmt, args);
fprintf (stderr, "\n");
}
int main(argc, argv)
int argc;
char *argv[];
{
struct _cmd_table *cmd = NULL;
char *koptarg = NULL, **cmd_argv = NULL;
int cmd_argc = 0;
krb5_error_code retval;
int usage_print = 0;
int gp_is_static = 1;
krb5_error_code db_retval = 1;
char *bind_dn = NULL;
char *passwd = NULL;
char *ldap_server = NULL;
unsigned int ldapmask = 0;
unsigned int passwd_len = 0;
char *prompt = NULL;
kdb5_dal_handle *dal_handle = NULL;
krb5_ldap_context *ldap_context=NULL;
char *value = NULL, *conf_section = NULL;
krb5_boolean realm_name_required = TRUE;
krb5_boolean print_help_message = FALSE;
/*
* Solaris Kerberos:
* Ensure that "progname" is set before calling com_err.
*/
progname = (strrchr(argv[0], '/') ? strrchr(argv[0], '/')+1 : argv[0]);
retval = krb5_init_context(&util_context);
set_com_err_hook(extended_com_err_fn);
if (retval) {
com_err (progname, retval, gettext("while initializing Kerberos code"));
exit_status++;
goto cleanup;
}
cmd_argv = (char **) malloc(sizeof(char *)*argc);
if (cmd_argv == NULL) {
com_err(progname, ENOMEM, gettext("while creating sub-command arguments"));
exit_status++;
goto cleanup;
}
memset(cmd_argv, 0, sizeof(char *)*argc);
cmd_argc = 1;
memset(&global_params, 0, sizeof(kadm5_config_params));
argv++; argc--;
while (*argv) {
if (strcmp(*argv, "--help") == 0) {
print_help_message = TRUE;
}
if (strcmp(*argv, "-P") == 0 && ARG_VAL) {
mkey_password = koptarg;
manual_mkey = TRUE;
} else if (strcmp(*argv, "-r") == 0 && ARG_VAL) {
global_params.realm = koptarg;
global_params.mask |= KADM5_CONFIG_REALM;
/* not sure this is really necessary */
if ((retval = krb5_set_default_realm(util_context,
global_params.realm))) {
com_err(progname, retval, gettext("while setting default realm name"));
exit_status++;
goto cleanup;
}
} else if (strcmp(*argv, "-k") == 0 && ARG_VAL) {
if (krb5_string_to_enctype(koptarg, &global_params.enctype)) {
/* Solaris Kerberos */
com_err(progname, 0, gettext("%s is an invalid enctype"), koptarg);
}
else
global_params.mask |= KADM5_CONFIG_ENCTYPE;
} else if (strcmp(*argv, "-M") == 0 && ARG_VAL) {
global_params.mkey_name = koptarg;
global_params.mask |= KADM5_CONFIG_MKEY_NAME;
} else if (strcmp(*argv, "-sf") == 0 && ARG_VAL) {
global_params.stash_file = koptarg;
global_params.mask |= KADM5_CONFIG_STASH_FILE;
} else if (strcmp(*argv, "-m") == 0) {
manual_mkey = TRUE;
global_params.mkey_from_kbd = 1;
global_params.mask |= KADM5_CONFIG_MKEY_FROM_KBD;
} else if (strcmp(*argv, "-D") == 0 && ARG_VAL) {
bind_dn = koptarg;
if (bind_dn == NULL) {
com_err(progname, ENOMEM, gettext("while reading ldap parameters"));
exit_status++;
goto cleanup;
}
ldapmask |= CMD_LDAP_D;
} else if (strcmp(*argv, "-w") == 0 && ARG_VAL) {
passwd = strdup(koptarg);
if (passwd == NULL) {
com_err(progname, ENOMEM, gettext("while reading ldap parameters"));
exit_status++;
goto cleanup;
}
ldapmask |= CMD_LDAP_W;
} else if (strcmp(*argv, "-H") == 0 && ARG_VAL) {
ldap_server = koptarg;
if (ldap_server == NULL) {
com_err(progname, ENOMEM, gettext("while reading ldap parameters"));
exit_status++;
goto cleanup;
}
ldapmask |= CMD_LDAP_H;
} else if (cmd_lookup(*argv) != NULL) {
if (cmd_argv[0] == NULL)
cmd_argv[0] = *argv;
else {
free(cmd_argv);
cmd_argv = NULL;
usage();
goto cleanup;
}
} else {
cmd_argv[cmd_argc++] = *argv;
}
argv++; argc--;
}
if (cmd_argv[0] == NULL) {
free(cmd_argv);
cmd_argv = NULL;
usage();
goto cleanup;
}
/* if we need to print the help message (because of --help option)
* we will print the help corresponding to the sub-command.
*/
if (print_help_message) {
char *cmd_name = cmd_argv[0];
free(cmd_argv);
cmd_argv = NULL;
usage();
goto cleanup;
}
/* We need to check for the presence of default realm name only in
* the case of realm related operations like create, destroy etc.
*/
if ((strcmp(cmd_argv[0], "list") == 0) ||
(strcmp(cmd_argv[0], "stashsrvpw") == 0)) {
realm_name_required = FALSE;
}
if (!util_context->default_realm) {
char *temp = NULL;
retval = krb5_get_default_realm(util_context, &temp);
if (retval) {
if (realm_name_required) {
com_err (progname, retval, gettext("while getting default realm"));
exit_status++;
goto cleanup;
}
} else
util_context->default_realm = temp;
}
/* If we have the realm name, we can safely say that
* realm_name is required so that we don't neglect any information.
*/
else
realm_name_required = TRUE;
retval = profile_get_string(util_context->profile, KDB_REALM_SECTION,
util_context->default_realm, KDB_MODULE_POINTER,
NULL,
&value);
if (!(value)) {
retval = profile_get_string(util_context->profile, KDB_MODULE_DEF_SECTION,
KDB_MODULE_POINTER, NULL,
NULL,
&value);
if (!(value)) {
if (util_context->default_realm)
conf_section = strdup(util_context->default_realm);
} else {
conf_section = strdup(value);
free(value);
}
} else {
conf_section = strdup(value);
free(value);
}
if (realm_name_required) {
retval = kadm5_get_config_params(util_context, 1,
&global_params, &global_params);
if (retval) {
/* Solaris Kerberos */
com_err(progname, retval, gettext("while retreiving configuration parameters"));
exit_status++;
goto cleanup;
}
gp_is_static = 0;
}
if ((retval = krb5_ldap_lib_init()) != 0) {
/* Solaris Kerberos */
com_err(progname, retval, gettext("while initializing error handling"));
exit_status++;
goto cleanup;
}
/* Initialize the ldap context */
ldap_context = calloc(sizeof(krb5_ldap_context), 1);
if (ldap_context == NULL) {
/* Solaris Kerberos */
com_err(progname, ENOMEM, gettext("while initializing ldap handle"));
exit_status++;
goto cleanup;
}
ldap_context->kcontext = util_context;
/* If LDAP parameters are specified, replace them with the values from config */
if (ldapmask & CMD_LDAP_D) {
/* If password is not specified, prompt for it */
if (passwd == NULL) {
passwd = (char *)malloc(MAX_PASSWD_LEN);
if (passwd == NULL) {
/* Solaris Kerberos */
com_err(progname, ENOMEM, gettext("while retrieving ldap configuration"));
exit_status++;
goto cleanup;
}
prompt = (char *)malloc(MAX_PASSWD_PROMPT_LEN);
if (prompt == NULL) {
free(passwd);
passwd = NULL;
/* Solaris Kerberos */
com_err(progname, ENOMEM, gettext("while retrieving ldap configuration"));
exit_status++;
goto cleanup;
}
memset(passwd, 0, sizeof(passwd));
passwd_len = MAX_PASSWD_LEN - 1;
snprintf(prompt, MAX_PASSWD_PROMPT_LEN, gettext("Password for \"%s\""), bind_dn);
db_retval = krb5_read_password(util_context, prompt, NULL, passwd, &passwd_len);
if ((db_retval) || (passwd_len == 0)) {
/* Solaris Kerberos */
com_err(progname, db_retval, gettext("while retrieving ldap configuration"));
free(passwd);
passwd = NULL;
exit_status++;
goto cleanup;
}
}
ldap_context->bind_pwd = passwd;
}
/* If ldaphost is specified, release entry filled by configuration & use this */
if (ldapmask & CMD_LDAP_H) {
ldap_context->server_info_list = (krb5_ldap_server_info **) calloc (2, sizeof (krb5_ldap_server_info *)) ;
if (ldap_context->server_info_list == NULL) {
/* Solaris Kerberos */
com_err(progname, ENOMEM, gettext("while initializing server list"));
exit_status++;
goto cleanup;
}
ldap_context->server_info_list[0] = (krb5_ldap_server_info *) calloc (1, sizeof (krb5_ldap_server_info));
if (ldap_context->server_info_list[0] == NULL) {
/* Solaris Kerberos */
com_err(progname, ENOMEM, gettext("while initializing server list"));
exit_status++;
goto cleanup;
}
ldap_context->server_info_list[0]->server_status = NOTSET;
ldap_context->server_info_list[0]->server_name = strdup(ldap_server);
if (ldap_context->server_info_list[0]->server_name == NULL) {
/* Solaris Kerberos */
com_err(progname, ENOMEM, gettext("while initializing server list"));
exit_status++;
goto cleanup;
}
}
if (bind_dn) {
ldap_context->bind_dn = strdup(bind_dn);
if (ldap_context->bind_dn == NULL) {
/* Solaris Kerberos */
com_err(progname, ENOMEM, gettext("while retrieving ldap configuration"));
exit_status++;
goto cleanup;
}
} else
ldap_context->bind_dn = NULL;
ldap_context->service_type = SERVICE_DN_TYPE_CLIENT;
if (realm_name_required) {
if ((global_params.enctype != ENCTYPE_UNKNOWN) &&
(!krb5_c_valid_enctype(global_params.enctype))) {
/* Solaris Kerberos */
com_err(progname, KRB5_PROG_KEYTYPE_NOSUPP,
gettext("while setting up enctype %d"), global_params.enctype);
}
}
cmd = cmd_lookup(cmd_argv[0]);
/* Setup DAL handle to access the database */
dal_handle = calloc((size_t)1, sizeof(kdb5_dal_handle));
if (dal_handle == NULL) {
goto cleanup;
}
dal_handle->db_context = ldap_context;
util_context->db_context = (void *) dal_handle;
db_retval = krb5_ldap_read_server_params(util_context, conf_section, KRB5_KDB_SRV_TYPE_OTHER);
if (db_retval) {
/* Solaris Kerberos */
com_err(progname, db_retval, gettext("while reading ldap configuration"));
exit_status++;
goto cleanup;
}
if (cmd->opendb) {
db_retval = krb5_ldap_db_init(util_context, ldap_context);
if (db_retval) {
com_err(progname, db_retval, gettext("while initializing database"));
exit_status++;
goto cleanup;
}
db_inited = TRUE;
}
(*cmd->func)(cmd_argc, cmd_argv);
goto cleanup;
cleanup:
if (passwd)
memset(passwd, 0, sizeof(passwd));
if (ldap_context && ldap_context->bind_pwd)
memset(ldap_context->bind_pwd, 0, sizeof(ldap_context->bind_pwd));
if (util_context) {
if (gp_is_static == 0)
kadm5_free_config_params(util_context, &global_params);
krb5_ldap_close(util_context);
krb5_free_context(util_context);
}
if (cmd_argv)
free(cmd_argv);
if (prompt)
free(prompt);
if (conf_section)
free(conf_section);
if (dal_handle)
free(dal_handle);
if (usage_print) {
usage();
}
return exit_status;
}