ipa_init.c revision 57614e56dd272db0f71abc442b1515d79fd16169
/*
SSSD
IPA Provider Initialization functions
Authors:
Simo Sorce <ssorce@redhat.com>
Copyright (C) 2009 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sys/types.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "providers/child_common.h"
#include "providers/ipa/ipa_common.h"
#include "providers/krb5/krb5_auth.h"
#include "providers/ipa/ipa_auth.h"
#include "providers/ipa/ipa_access.h"
#include "providers/ipa/ipa_timerules.h"
struct ipa_options *ipa_options = NULL;
/* Id Handler */
struct bet_ops ipa_id_ops = {
.handler = sdap_account_info_handler,
.finalize = NULL
};
struct bet_ops ipa_auth_ops = {
.handler = ipa_auth,
.finalize = NULL,
};
struct bet_ops ipa_chpass_ops = {
.handler = krb5_pam_handler,
.finalize = NULL,
};
struct bet_ops ipa_access_ops = {
.handler = ipa_access_handler,
.finalize = NULL
};
int common_ipa_init(struct be_ctx *bectx)
{
const char *ipa_servers;
const char *ipa_domain;
int ret;
ret = ipa_get_options(bectx, bectx->cdb,
bectx->conf_path,
bectx->domain, &ipa_options);
if (ret != EOK) {
return ret;
}
ipa_servers = dp_opt_get_string(ipa_options->basic, IPA_SERVER);
if (!ipa_servers) {
DEBUG(1, ("Missing ipa_server option - using service discovery!\n"));
}
ipa_domain = dp_opt_get_string(ipa_options->basic, IPA_DOMAIN);
if (!ipa_domain) {
DEBUG(0, ("Missing ipa_domain option!\n"));
return EINVAL;
}
ret = ipa_service_init(ipa_options, bectx, ipa_servers, ipa_domain,
&ipa_options->service);
if (ret != EOK) {
DEBUG(0, ("Failed to init IPA failover service!\n"));
return ret;
}
return EOK;
}
int sssm_ipa_id_init(struct be_ctx *bectx,
struct bet_ops **ops,
void **pvt_data)
{
struct sdap_id_ctx *ctx;
int ret;
if (!ipa_options) {
ret = common_ipa_init(bectx);
if (ret != EOK) {
return ret;
}
}
if (ipa_options->id_ctx) {
/* already initialized */
*ops = &ipa_id_ops;
*pvt_data = ipa_options->id_ctx;
return EOK;
}
ctx = talloc_zero(ipa_options, struct sdap_id_ctx);
if (!ctx) {
return ENOMEM;
}
ctx->be = bectx;
ctx->service = ipa_options->service->sdap;
ipa_options->id_ctx = ctx;
ret = ipa_get_id_options(ipa_options, bectx->cdb,
bectx->conf_path,
&ctx->opts);
if (ret != EOK) {
goto done;
}
ret = setup_tls_config(ctx->opts->basic);
if (ret != EOK) {
DEBUG(1, ("setup_tls_config failed [%d][%s].\n",
ret, strerror(ret)));
goto done;
}
ret = sdap_id_setup_tasks(ctx);
if (ret != EOK) {
goto done;
}
ret = setup_child(ctx);
if (ret != EOK) {
DEBUG(1, ("setup_child failed [%d][%s].\n",
ret, strerror(ret)));
goto done;
}
*ops = &ipa_id_ops;
*pvt_data = ctx;
ret = EOK;
done:
if (ret != EOK) {
talloc_zfree(ipa_options->id_ctx);
}
return ret;
}
int sssm_ipa_auth_init(struct be_ctx *bectx,
struct bet_ops **ops,
void **pvt_data)
{
struct krb5_ctx *ctx;
struct tevent_signal *sige;
FILE *debug_filep;
unsigned v;
int ret;
if (!ipa_options) {
ret = common_ipa_init(bectx);
if (ret != EOK) {
return ret;
}
}
if (ipa_options->auth_ctx) {
/* already initialized */
*ops = &ipa_auth_ops;
*pvt_data = ipa_options->auth_ctx;
return EOK;
}
ctx = talloc_zero(bectx, struct krb5_ctx);
if (!ctx) {
return ENOMEM;
}
ctx->service = ipa_options->service->krb5_service;
ipa_options->auth_ctx = ctx;
ret = ipa_get_auth_options(ipa_options, bectx->cdb,
bectx->conf_path,
&ctx->opts);
if (ret != EOK) {
goto done;
}
ret = check_and_export_options(ctx->opts, bectx->domain);
if (ret != EOK) {
DEBUG(1, ("check_and_export_opts failed.\n"));
goto done;
}
sige = tevent_add_signal(bectx->ev, ctx, SIGCHLD, SA_SIGINFO,
child_sig_handler, NULL);
if (sige == NULL) {
DEBUG(1, ("tevent_add_signal failed.\n"));
ret = ENOMEM;
goto done;
}
if (debug_to_file != 0) {
ret = open_debug_file_ex("krb5_child", &debug_filep);
if (ret != EOK) {
DEBUG(0, ("Error setting up logging (%d) [%s]\n",
ret, strerror(ret)));
goto done;
}
ctx->child_debug_fd = fileno(debug_filep);
if (ctx->child_debug_fd == -1) {
DEBUG(0, ("fileno failed [%d][%s]\n", errno, strerror(errno)));
ret = errno;
goto done;
}
v = fcntl(ctx->child_debug_fd, F_GETFD, 0);
fcntl(ctx->child_debug_fd, F_SETFD, v & ~FD_CLOEXEC);
}
*ops = &ipa_auth_ops;
*pvt_data = ctx;
ret = EOK;
done:
if (ret != EOK) {
talloc_zfree(ipa_options->auth_ctx);
}
return ret;
}
int sssm_ipa_chpass_init(struct be_ctx *bectx,
struct bet_ops **ops,
void **pvt_data)
{
int ret;
ret = sssm_ipa_auth_init(bectx, ops, pvt_data);
*ops = &ipa_chpass_ops;
return ret;
}
int sssm_ipa_access_init(struct be_ctx *bectx,
struct bet_ops **ops,
void **pvt_data)
{
int ret;
struct ipa_access_ctx *ipa_access_ctx;
ipa_access_ctx = talloc_zero(bectx, struct ipa_access_ctx);
if (ipa_access_ctx == NULL) {
DEBUG(1, ("talloc_zero failed.\n"));
return ENOMEM;
}
ret = sssm_ipa_id_init(bectx, ops, (void **) &ipa_access_ctx->sdap_ctx);
if (ret != EOK) {
DEBUG(1, ("sssm_ipa_id_init failed.\n"));
goto done;
}
ret = dp_copy_options(ipa_access_ctx, ipa_options->basic,
IPA_OPTS_BASIC, &ipa_access_ctx->ipa_options);
if (ret != EOK) {
DEBUG(1, ("dp_copy_options failed.\n"));
goto done;
}
ret = init_time_rules_parser(ipa_access_ctx, &ipa_access_ctx->tr_ctx);
if (ret != EOK) {
DEBUG(1, ("init_time_rules_parser failed.\n"));
goto done;
}
*ops = &ipa_access_ops;
*pvt_data = ipa_access_ctx;
done:
if (ret != EOK) {
talloc_free(ipa_access_ctx);
}
return ret;
}