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authorJan Zeleny <jzeleny@redhat.com>2012-02-02 08:29:01 -0500
committerStephen Gallagher <sgallagh@redhat.com>2012-02-06 08:25:22 -0500
commitad07ed37b6b51ef134d4524edaf2259e19ac984f (patch)
treed60aa23836439a166a6ec06fd7b09fb1f1f8a7e4 /src
parent264bbfed9f2cdb05d9e017e9e3307f37edb4c1da (diff)
downloadsssd-ad07ed37b6b51ef134d4524edaf2259e19ac984f.tar.gz
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Separate the host-retrieval code from IPA HBAC to common IPA code
Diffstat (limited to 'src')
-rw-r--r--src/providers/ipa/ipa_access.c56
-rw-r--r--src/providers/ipa/ipa_access.h1
-rw-r--r--src/providers/ipa/ipa_hbac_hosts.c434
-rw-r--r--src/providers/ipa/ipa_hbac_private.h19
-rw-r--r--src/providers/ipa/ipa_hosts.c449
-rw-r--r--src/providers/ipa/ipa_hosts.h45
6 files changed, 535 insertions, 469 deletions
diff --git a/src/providers/ipa/ipa_access.c b/src/providers/ipa/ipa_access.c
index 7d42e8b4..03945f72 100644
--- a/src/providers/ipa/ipa_access.c
+++ b/src/providers/ipa/ipa_access.c
@@ -30,6 +30,7 @@
#include "providers/ipa/ipa_common.h"
#include "providers/ipa/ipa_access.h"
#include "providers/ipa/ipa_hbac.h"
+#include "providers/ipa/ipa_hosts.h"
#include "providers/ipa/ipa_hbac_private.h"
#include "providers/ipa/ipa_hbac_rules.h"
@@ -268,17 +269,40 @@ static void hbac_sysdb_save (struct tevent_req *req);
static int hbac_get_host_info_step(struct hbac_ctx *hbac_ctx)
{
- struct tevent_req *req =
- ipa_hbac_host_info_send(hbac_ctx,
- hbac_ctx_ev(hbac_ctx),
- hbac_ctx_sysdb(hbac_ctx),
- sdap_id_op_handle(hbac_ctx->sdap_op),
- hbac_ctx_sdap_id_ctx(hbac_ctx)->opts,
- dp_opt_get_bool(hbac_ctx->ipa_options,
- IPA_HBAC_SUPPORT_SRCHOST),
- dp_opt_get_string(hbac_ctx->ipa_options,
- IPA_HOSTNAME),
- hbac_ctx->access_ctx->host_search_bases);
+ const char *hostname;
+ struct tevent_req *req;
+
+ hbac_ctx->host_attrs = talloc_array(hbac_ctx, const char *, 8);
+ if (hbac_ctx->host_attrs == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to allocate host attribute list.\n"));
+ return ENOMEM;
+ }
+ hbac_ctx->host_attrs[0] = "objectClass";
+ hbac_ctx->host_attrs[1] = IPA_HOST_SERVERHOSTNAME;
+ hbac_ctx->host_attrs[2] = IPA_HOST_FQDN;
+ hbac_ctx->host_attrs[3] = IPA_UNIQUE_ID;
+ hbac_ctx->host_attrs[4] = IPA_MEMBER;
+ hbac_ctx->host_attrs[5] = IPA_MEMBEROF;
+ hbac_ctx->host_attrs[6] = IPA_CN;
+ hbac_ctx->host_attrs[7] = NULL;
+
+ if (dp_opt_get_bool(hbac_ctx->ipa_options, IPA_HBAC_SUPPORT_SRCHOST)) {
+ /* Support srchost
+ * -> we don't want any particular host,
+ * we want all hosts
+ */
+ hostname = NULL;
+ } else {
+ hostname = dp_opt_get_string(hbac_ctx->ipa_options, IPA_HOSTNAME);
+ }
+
+ req = ipa_host_info_send(hbac_ctx,
+ hbac_ctx_ev(hbac_ctx),
+ hbac_ctx_sysdb(hbac_ctx),
+ sdap_id_op_handle(hbac_ctx->sdap_op),
+ hbac_ctx_sdap_id_ctx(hbac_ctx)->opts,
+ hostname, hbac_ctx->host_attrs, true,
+ hbac_ctx->access_ctx->host_search_bases);
if (req == NULL) {
DEBUG(1, ("Could not get host info\n"));
return ENOMEM;
@@ -294,11 +318,11 @@ static void hbac_get_service_info_step(struct tevent_req *req)
struct hbac_ctx *hbac_ctx =
tevent_req_callback_data(req, struct hbac_ctx);
- ret = ipa_hbac_host_info_recv(req, hbac_ctx,
- &hbac_ctx->host_count,
- &hbac_ctx->hosts,
- &hbac_ctx->hostgroup_count,
- &hbac_ctx->hostgroups);
+ ret = ipa_host_info_recv(req, hbac_ctx,
+ &hbac_ctx->host_count,
+ &hbac_ctx->hosts,
+ &hbac_ctx->hostgroup_count,
+ &hbac_ctx->hostgroups);
talloc_zfree(req);
if (!hbac_check_step_result(hbac_ctx, ret)) {
return;
diff --git a/src/providers/ipa/ipa_access.h b/src/providers/ipa/ipa_access.h
index 65571013..2c7a6e81 100644
--- a/src/providers/ipa/ipa_access.h
+++ b/src/providers/ipa/ipa_access.h
@@ -61,6 +61,7 @@ struct hbac_ctx {
struct sdap_search_base **search_bases;
/* Hosts */
+ const char **host_attrs;
size_t host_count;
struct sysdb_attrs **hosts;
size_t hostgroup_count;
diff --git a/src/providers/ipa/ipa_hbac_hosts.c b/src/providers/ipa/ipa_hbac_hosts.c
index 329fdc88..1626f178 100644
--- a/src/providers/ipa/ipa_hbac_hosts.c
+++ b/src/providers/ipa/ipa_hbac_hosts.c
@@ -25,440 +25,6 @@
#include "providers/ipa/ipa_hbac_private.h"
#include "providers/ldap/sdap_async.h"
-struct ipa_hbac_host_state {
- struct tevent_context *ev;
- struct sysdb_ctx *sysdb;
- struct sdap_handle *sh;
- struct sdap_options *opts;
- const char **attrs;
-
- struct sdap_search_base **search_bases;
- int search_base_iter;
-
- char *cur_filter;
- char *host_filter;
-
- bool support_srchost;
- const char *hostname;
-
- /* Return values */
- size_t host_count;
- struct sysdb_attrs **hosts;
-
- size_t hostgroup_count;
- struct sysdb_attrs **hostgroups;
- struct sdap_attr_map_info *hostgroup_map;
-};
-
-#define HOSTGROUP_MAP_ATTRS_COUNT 5
-static struct sdap_attr_map hostgroup_map[] = {
- {"objectclass", "ipahostgroup", "hostgroup", NULL},
- {"name_attr", IPA_CN, IPA_CN, NULL},
- {"member", IPA_MEMBER, SYSDB_ORIG_MEMBER, NULL},
- {"memberof", IPA_MEMBEROF, SYSDB_ORIG_MEMBEROF, NULL},
- {"ipa_id", IPA_UNIQUE_ID, IPA_UNIQUE_ID, NULL}
-};
-
-static void
-ipa_hbac_host_info_done(struct tevent_req *subreq);
-
-static void
-ipa_hbac_hostgroup_info_done(struct tevent_req *subreq);
-
-static errno_t
-ipa_hbac_host_info_next(struct tevent_req *req,
- struct ipa_hbac_host_state *state);
-static errno_t
-ipa_hbac_hostgroup_info_next(struct tevent_req *req,
- struct ipa_hbac_host_state *state);
-
-struct tevent_req *
-ipa_hbac_host_info_send(TALLOC_CTX *mem_ctx,
- struct tevent_context *ev,
- struct sysdb_ctx *sysdb,
- struct sdap_handle *sh,
- struct sdap_options *opts,
- bool support_srchost,
- const char *hostname,
- struct sdap_search_base **search_bases)
-{
- errno_t ret;
- struct ipa_hbac_host_state *state;
- struct tevent_req *req;
-
- req = tevent_req_create(mem_ctx, &state, struct ipa_hbac_host_state);
- if (req == NULL) {
- return NULL;
- }
-
- state->ev = ev;
- state->sysdb = sysdb;
- state->sh = sh;
- state->opts = opts;
- state->support_srchost = support_srchost;
- state->hostname = hostname;
- state->search_bases = search_bases;
- state->search_base_iter = 0;
- state->cur_filter = NULL;
-
- if (support_srchost) {
- state->host_filter = talloc_asprintf(state, "(objectClass=%s)",
- IPA_HOST);
- } else {
- if (hostname == NULL) {
- ret = EINVAL;
- goto immediate;
- }
- state->host_filter = talloc_asprintf(state, "(&(objectClass=%s)(%s=%s))",
- IPA_HOST, IPA_HOST_FQDN, hostname);
- }
- if (state->host_filter == NULL) {
- ret = ENOMEM;
- goto immediate;
- }
-
- state->attrs = talloc_array(state, const char *, 8);
- if (state->attrs == NULL) {
- DEBUG(1, ("Failed to allocate host attribute list.\n"));
- ret = ENOMEM;
- goto immediate;
- }
- state->attrs[0] = "objectClass";
- state->attrs[1] = IPA_HOST_SERVERHOSTNAME;
- state->attrs[2] = IPA_HOST_FQDN;
- state->attrs[3] = IPA_UNIQUE_ID;
- state->attrs[4] = IPA_MEMBER;
- state->attrs[5] = IPA_MEMBEROF;
- state->attrs[6] = IPA_CN;
- state->attrs[7] = NULL;
-
- ret = ipa_hbac_host_info_next(req, state);
- if (ret == EOK) {
- DEBUG(SSSDBG_CRIT_FAILURE, ("No host search base configured?\n"));
- ret = EINVAL;
- }
-
- if (ret != EAGAIN) {
- goto immediate;
- }
-
- return req;
-
-immediate:
- if (ret == EOK) {
- tevent_req_done(req);
- } else {
- tevent_req_error(req, ret);
- }
- tevent_req_post(req, ev);
- return req;
-}
-
-static errno_t ipa_hbac_host_info_next(struct tevent_req *req,
- struct ipa_hbac_host_state *state)
-{
- struct sdap_search_base *base;
- struct tevent_req *subreq;
-
- base = state->search_bases[state->search_base_iter];
- if (base == NULL) {
- return EOK;
- }
-
- talloc_zfree(state->cur_filter);
- state->cur_filter = sdap_get_id_specific_filter(state, state->host_filter,
- base->filter);
- if (state->cur_filter == NULL) {
- return ENOMEM;
- }
-
- subreq = sdap_get_generic_send(state, state->ev, state->opts,
- state->sh, base->basedn,
- base->scope, state->cur_filter,
- state->attrs, NULL, 0,
- dp_opt_get_int(state->opts->basic,
- SDAP_ENUM_SEARCH_TIMEOUT));
- if (subreq == NULL) {
- DEBUG(SSSDBG_CRIT_FAILURE, ("Error requesting host info\n"));
- talloc_zfree(state->cur_filter);
- return EIO;
- }
- tevent_req_set_callback(subreq, ipa_hbac_host_info_done, req);
-
- return EAGAIN;
-}
-
-static void
-ipa_hbac_host_info_done(struct tevent_req *subreq)
-{
- errno_t ret;
- struct tevent_req *req =
- tevent_req_callback_data(subreq, struct tevent_req);
- struct ipa_hbac_host_state *state =
- tevent_req_data(req, struct ipa_hbac_host_state);
- const char *host_dn;
- int i;
-
- ret = sdap_get_generic_recv(subreq, state,
- &state->host_count,
- &state->hosts);
- talloc_zfree(subreq);
- if (ret != EOK) {
- tevent_req_error(req, ret);
- return;
- }
-
- if (state->host_count == 0) {
- state->search_base_iter++;
- ret = ipa_hbac_host_info_next(req, state);
- if (ret == EOK) {
- /* No more search bases to try */
- tevent_req_error(req, ENOENT);
- } else if (ret != EAGAIN) {
- tevent_req_error(req, ret);
- }
- return;
- }
-
- ret = replace_attribute_name(IPA_MEMBEROF, SYSDB_ORIG_MEMBEROF,
- state->host_count,
- state->hosts);
- if (ret != EOK) {
- DEBUG(1, ("Could not replace attribute names\n"));
- tevent_req_error(req, ret);
- return;
- }
-
- /* Complete the map */
- for (i = 0; i < HOSTGROUP_MAP_ATTRS_COUNT; i++) {
- /* These are allocated on the state, so the next time they'll
- * have to be allocated again
- */
- hostgroup_map[i].name = talloc_strdup(state,
- hostgroup_map[i].def_name);
- if (hostgroup_map[i].name == NULL) {
- tevent_req_error(req, ret);
- return;
- }
- }
-
- /* Look up host groups */
- if (state->support_srchost) {
- talloc_zfree(state->host_filter);
- state->host_filter = talloc_asprintf(state, "(objectClass=%s)",
- IPA_HOSTGROUP);
- if (state->host_filter == NULL) {
- tevent_req_error(req, ENOMEM);
- return;
- }
- state->search_base_iter = 0;
-
- ret = ipa_hbac_hostgroup_info_next(req, state);
- if (ret == EOK) {
- DEBUG(SSSDBG_CRIT_FAILURE, ("No host search base configured?\n"));
- tevent_req_error(req, EINVAL);
- return;
- } else if (ret != EAGAIN) {
- tevent_req_error(req, ret);
- return;
- }
- } else {
- state->hostgroup_map = talloc_zero(state, struct sdap_attr_map_info);
- if (state->hostgroup_map == NULL) {
- tevent_req_error(req, ENOMEM);
- return;
- }
- state->hostgroup_map->map = hostgroup_map;
- state->hostgroup_map->num_attrs = HOSTGROUP_MAP_ATTRS_COUNT;
-
- ret = sysdb_attrs_get_string(state->hosts[0], SYSDB_ORIG_DN, &host_dn);
- if (ret != EOK) {
- tevent_req_error(req, ret);
- return;
- }
-
- subreq = sdap_deref_search_send(state, state->ev, state->opts, state->sh,
- host_dn, IPA_MEMBEROF, state->attrs,
- 1, state->hostgroup_map,
- dp_opt_get_int(state->opts->basic,
- SDAP_ENUM_SEARCH_TIMEOUT));
- if (subreq == NULL) {
- DEBUG(SSSDBG_CRIT_FAILURE, ("Error requesting host info\n"));
- tevent_req_error(req, EIO);
- return;
- }
- }
- tevent_req_set_callback(subreq, ipa_hbac_hostgroup_info_done, req);
-}
-
-static errno_t ipa_hbac_hostgroup_info_next(struct tevent_req *req,
- struct ipa_hbac_host_state *state)
-{
- struct sdap_search_base *base;
- struct tevent_req *subreq;
-
- base = state->search_bases[state->search_base_iter];
- if (base == NULL) {
- return EOK;
- }
-
- talloc_zfree(state->cur_filter);
- state->cur_filter = sdap_get_id_specific_filter(state, state->host_filter,
- base->filter);
- if (state->cur_filter == NULL) {
- return ENOMEM;
- }
-
- subreq = sdap_get_generic_send(state, state->ev, state->opts, state->sh,
- base->basedn, base->scope,
- state->cur_filter, state->attrs, hostgroup_map,
- HOSTGROUP_MAP_ATTRS_COUNT,
- dp_opt_get_int(state->opts->basic,
- SDAP_ENUM_SEARCH_TIMEOUT));
- if (subreq == NULL) {
- DEBUG(SSSDBG_CRIT_FAILURE, ("Error requesting hostgroup info\n"));
- talloc_zfree(state->cur_filter);
- return EIO;
- }
- tevent_req_set_callback(subreq, ipa_hbac_hostgroup_info_done, req);
-
- return EAGAIN;
-}
-
-static void
-ipa_hbac_hostgroup_info_done(struct tevent_req *subreq)
-{
- errno_t ret;
- struct tevent_req *req =
- tevent_req_callback_data(subreq, struct tevent_req);
- struct ipa_hbac_host_state *state =
- tevent_req_data(req, struct ipa_hbac_host_state);
-
- size_t hostgroups_total;
- size_t hostgroup_count;
- struct sysdb_attrs **hostgroups;
- struct sdap_deref_attrs **deref_result;
- const char *hostgroup_name;
- const char *hostgroup_dn;
- int i, j;
-
- if (state->support_srchost) {
- ret = sdap_get_generic_recv(subreq, state,
- &hostgroup_count,
- &hostgroups);
- talloc_zfree(subreq);
-
- /* Merge the two arrays */
- if (hostgroup_count > 0) {
- hostgroups_total = hostgroup_count + state->hostgroup_count;
- state->hostgroups = talloc_realloc(state, state->hostgroups,
- struct sysdb_attrs *,
- hostgroups_total);
- if (state->hostgroups == NULL) {
- tevent_req_error(req, ENOMEM);
- return;
- }
-
- i = 0;
- while(state->hostgroup_count < hostgroups_total) {
- state->hostgroups[state->hostgroup_count] =
- talloc_steal(state->hostgroups, hostgroups[i]);
- state->hostgroup_count++;
- i++;
- }
- }
-
- /* Now look in the next base */
- state->search_base_iter++;
- ret = ipa_hbac_hostgroup_info_next(req, state);
- if (ret != EOK && ret != EAGAIN) {
- tevent_req_error(req, ret);
- }
-
- if (ret != EOK) {
- /* Only continue if no error occurred
- * and no req was created */
- return;
- }
- } else {
- ret = sdap_deref_search_recv(subreq, state,
- &state->hostgroup_count,
- &deref_result);
- talloc_zfree(subreq);
- if (ret != EOK) goto done;
-
- if (state->hostgroup_count == 0) {
- DEBUG(SSSDBG_FUNC_DATA, ("No host groups were dereferenced\n"));
- } else {
- state->hostgroups = talloc_zero_array(state, struct sysdb_attrs *,
- state->hostgroup_count);
- if (state->hostgroups == NULL) {
- ret = ENOMEM;
- goto done;
- }
-
- j = 0;
- for (i = 0; i < state->hostgroup_count; i++) {
- ret = sysdb_attrs_get_string(deref_result[i]->attrs,
- SYSDB_ORIG_DN, &hostgroup_dn);
- if (ret != EOK) goto done;
-
- if (!sss_ldap_dn_in_search_bases(state, hostgroup_dn,
- state->search_bases,
- NULL)) {
- continue;
- }
-
- ret = sysdb_attrs_get_string(deref_result[i]->attrs,
- IPA_CN, &hostgroup_name);
- if (ret != EOK) goto done;
-
- DEBUG(SSSDBG_FUNC_DATA, ("Dereferenced host group: %s\n",
- hostgroup_name));
- state->hostgroups[j] = talloc_steal(state->hostgroups,
- deref_result[i]->attrs);
- j++;
- }
- state->hostgroup_count = j;
- }
- }
-
-done:
- if (ret == EOK) {
- tevent_req_done(req);
- } else {
- DEBUG(3, ("Error [%d][%s]\n", ret, strerror(ret)));
- tevent_req_error(req, ret);
- }
-}
-
-errno_t
-ipa_hbac_host_info_recv(struct tevent_req *req,
- TALLOC_CTX *mem_ctx,
- size_t *host_count,
- struct sysdb_attrs ***hosts,
- size_t *hostgroup_count,
- struct sysdb_attrs ***hostgroups)
-{
- size_t c;
- struct ipa_hbac_host_state *state =
- tevent_req_data(req, struct ipa_hbac_host_state);
-
- TEVENT_REQ_RETURN_ON_ERROR(req);
-
- *host_count = state->host_count;
- *hosts = talloc_steal(mem_ctx, state->hosts);
- for (c = 0; c < state->host_count; c++) {
- /* Guarantee the memory heirarchy of the list */
- talloc_steal(state->hosts, state->hosts[c]);
- }
-
- *hostgroup_count = state->hostgroup_count;
- *hostgroups = talloc_steal(mem_ctx, state->hostgroups);
-
- return EOK;
-}
-
/*
* Functions to convert sysdb_attrs to the hbac_rule format
*/
diff --git a/src/providers/ipa/ipa_hbac_private.h b/src/providers/ipa/ipa_hbac_private.h
index 8d735b8b..acf56715 100644
--- a/src/providers/ipa/ipa_hbac_private.h
+++ b/src/providers/ipa/ipa_hbac_private.h
@@ -98,25 +98,6 @@ hbac_get_category(struct sysdb_attrs *attrs,
const char *category_attr,
uint32_t *_categories);
-/* From ipa_hbac_hosts.c */
-struct tevent_req *
-ipa_hbac_host_info_send(TALLOC_CTX *mem_ctx,
- struct tevent_context *ev,
- struct sysdb_ctx *sysdb,
- struct sdap_handle *sh,
- struct sdap_options *opts,
- bool support_srchost,
- const char *hostname,
- struct sdap_search_base **search_bases);
-
-errno_t
-ipa_hbac_host_info_recv(struct tevent_req *req,
- TALLOC_CTX *mem_ctx,
- size_t *host_count,
- struct sysdb_attrs ***hosts,
- size_t *hostgroup_count,
- struct sysdb_attrs ***hostgroups);
-
errno_t
hbac_thost_attrs_to_rule(TALLOC_CTX *mem_ctx,
struct sysdb_ctx *sysdb,
diff --git a/src/providers/ipa/ipa_hosts.c b/src/providers/ipa/ipa_hosts.c
new file mode 100644
index 00000000..04ce9adf
--- /dev/null
+++ b/src/providers/ipa/ipa_hosts.c
@@ -0,0 +1,449 @@
+/*
+ SSSD
+
+ Authors:
+ Jan Zeleny <jzeleny@redhat.com>
+
+ Copyright (C) 2012 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 "util/util.h"
+#include "db/sysdb.h"
+#include "providers/ldap/sdap_async.h"
+#include "providers/ipa/ipa_hosts.h"
+/* FIXME: this is temporary, use proper map instead */
+#include "providers/ipa/ipa_hbac_private.h"
+
+struct ipa_host_state {
+ struct tevent_context *ev;
+ struct sysdb_ctx *sysdb;
+ struct sdap_handle *sh;
+ struct sdap_options *opts;
+ const char **attrs;
+
+ struct sdap_search_base **search_bases;
+ int search_base_iter;
+
+ char *cur_filter;
+ char *host_filter;
+
+ const char *hostname;
+
+ /* Return values */
+ size_t host_count;
+ struct sysdb_attrs **hosts;
+
+ bool fetch_hostgroups;
+ size_t hostgroup_count;
+ struct sysdb_attrs **hostgroups;
+ struct sdap_attr_map_info *hostgroup_map;
+};
+
+#define HOSTGROUP_MAP_ATTRS_COUNT 5
+static struct sdap_attr_map hostgroup_map[] = {
+ {"objectclass", "ipahostgroup", "hostgroup", NULL},
+ {"name_attr", IPA_CN, IPA_CN, NULL},
+ {"member", IPA_MEMBER, SYSDB_ORIG_MEMBER, NULL},
+ {"memberof", IPA_MEMBEROF, SYSDB_ORIG_MEMBEROF, NULL},
+ {"ipa_id", IPA_UNIQUE_ID, IPA_UNIQUE_ID, NULL}
+};
+
+static void
+ipa_host_info_done(struct tevent_req *subreq);
+
+static void
+ipa_hostgroup_info_done(struct tevent_req *subreq);
+
+static errno_t
+ipa_host_info_next(struct tevent_req *req,
+ struct ipa_host_state *state);
+static errno_t
+ipa_hostgroup_info_next(struct tevent_req *req,
+ struct ipa_host_state *state);
+
+struct tevent_req *
+ipa_host_info_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct sysdb_ctx *sysdb,
+ struct sdap_handle *sh,
+ struct sdap_options *opts,
+ const char *hostname,
+ const char **attrs,
+ bool fetch_hostgroups,
+ struct sdap_search_base **search_bases)
+{
+ errno_t ret;
+ struct ipa_host_state *state;
+ struct tevent_req *req;
+
+ req = tevent_req_create(mem_ctx, &state, struct ipa_host_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ state->ev = ev;
+ state->sysdb = sysdb;
+ state->sh = sh;
+ state->opts = opts;
+ state->hostname = hostname;
+ state->search_bases = search_bases;
+ state->search_base_iter = 0;
+ state->cur_filter = NULL;
+ state->attrs = attrs;
+ state->fetch_hostgroups = fetch_hostgroups;
+
+ if (hostname == NULL) {
+ state->host_filter = talloc_asprintf(state, "(objectClass=%s)",
+ IPA_HOST);
+ } else {
+ state->host_filter = talloc_asprintf(state, "(&(objectClass=%s)(%s=%s))",
+ IPA_HOST, IPA_HOST_FQDN, hostname);
+ }
+ if (state->host_filter == NULL) {
+ ret = ENOMEM;
+ goto immediate;
+ }
+
+ ret = ipa_host_info_next(req, state);
+ if (ret == EOK) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("No host search base configured?\n"));
+ ret = EINVAL;
+ }
+
+ if (ret != EAGAIN) {
+ goto immediate;
+ }
+
+ return req;
+
+immediate:
+ if (ret == EOK) {
+ tevent_req_done(req);
+ } else {
+ tevent_req_error(req, ret);
+ }
+ tevent_req_post(req, ev);
+ return req;
+}
+
+static errno_t ipa_host_info_next(struct tevent_req *req,
+ struct ipa_host_state *state)
+{
+ struct sdap_search_base *base;
+ struct tevent_req *subreq;
+
+ base = state->search_bases[state->search_base_iter];
+ if (base == NULL) {
+ return EOK;
+ }
+
+ talloc_zfree(state->cur_filter);
+ state->cur_filter = sdap_get_id_specific_filter(state, state->host_filter,
+ base->filter);
+ if (state->cur_filter == NULL) {
+ return ENOMEM;
+ }
+
+ subreq = sdap_get_generic_send(state, state->ev, state->opts,
+ state->sh, base->basedn,
+ base->scope, state->cur_filter,
+ state->attrs, NULL, 0,
+ dp_opt_get_int(state->opts->basic,
+ SDAP_ENUM_SEARCH_TIMEOUT));
+ if (subreq == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Error requesting host info\n"));
+ talloc_zfree(state->cur_filter);
+ return EIO;
+ }
+ tevent_req_set_callback(subreq, ipa_host_info_done, req);
+
+ return EAGAIN;
+}
+
+static void
+ipa_host_info_done(struct tevent_req *subreq)
+{
+ errno_t ret;
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq, struct tevent_req);
+ struct ipa_host_state *state =
+ tevent_req_data(req, struct ipa_host_state);
+ const char *host_dn;
+ int i;
+
+ ret = sdap_get_generic_recv(subreq, state,
+ &state->host_count,
+ &state->hosts);
+ talloc_zfree(subreq);
+ if (ret != EOK) {
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ if (state->host_count == 0) {
+ state->search_base_iter++;
+ ret = ipa_host_info_next(req, state);
+ if (ret == EOK) {
+ /* No more search bases to try */
+ tevent_req_error(req, ENOENT);
+ } else if (ret != EAGAIN) {
+ tevent_req_error(req, ret);
+ }
+ return;
+ }
+
+ ret = replace_attribute_name(IPA_MEMBEROF, SYSDB_ORIG_MEMBEROF,
+ state->host_count,
+ state->hosts);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Could not replace attribute names\n"));
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ /* Complete the map */
+ for (i = 0; i < HOSTGROUP_MAP_ATTRS_COUNT; i++) {
+ /* These are allocated on the state, so the next time they'll
+ * have to be allocated again
+ */
+ hostgroup_map[i].name = talloc_strdup(state,
+ hostgroup_map[i].def_name);
+ if (hostgroup_map[i].name == NULL) {
+ tevent_req_error(req, ret);
+ return;
+ }
+ }
+
+ if (state->fetch_hostgroups) {
+ /* Look up host groups */
+ if (state->hostname == NULL) {
+ talloc_zfree(state->host_filter);
+ state->host_filter = talloc_asprintf(state, "(objectClass=%s)",
+ IPA_HOSTGROUP);
+ if (state->host_filter == NULL) {
+ tevent_req_error(req, ENOMEM);
+ return;
+ }
+ state->search_base_iter = 0;
+
+ ret = ipa_hostgroup_info_next(req, state);
+ if (ret == EOK) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("No host search base configured?\n"));
+ tevent_req_error(req, EINVAL);
+ return;
+ } else if (ret != EAGAIN) {
+ tevent_req_error(req, ret);
+ return;
+ }
+ } else {
+ state->hostgroup_map = talloc_zero(state, struct sdap_attr_map_info);
+ if (state->hostgroup_map == NULL) {
+ tevent_req_error(req, ENOMEM);
+ return;
+ }
+ state->hostgroup_map->map = hostgroup_map;
+ state->hostgroup_map->num_attrs = HOSTGROUP_MAP_ATTRS_COUNT;
+
+ ret = sysdb_attrs_get_string(state->hosts[0], SYSDB_ORIG_DN, &host_dn);
+ if (ret != EOK) {
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ subreq = sdap_deref_search_send(state, state->ev, state->opts, state->sh,
+ host_dn, IPA_MEMBEROF, state->attrs,
+ 1, state->hostgroup_map,
+ dp_opt_get_int(state->opts->basic,
+ SDAP_ENUM_SEARCH_TIMEOUT));
+ if (subreq == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Error requesting host info\n"));
+ tevent_req_error(req, EIO);
+ return;
+ }
+ }
+ tevent_req_set_callback(subreq, ipa_hostgroup_info_done, req);
+ } else {
+ /* Nothing else to do, just complete the req */
+ tevent_req_done(req);
+ }
+}
+
+static errno_t ipa_hostgroup_info_next(struct tevent_req *req,
+ struct ipa_host_state *state)
+{
+ struct sdap_search_base *base;
+ struct tevent_req *subreq;
+
+ base = state->search_bases[state->search_base_iter];
+ if (base == NULL) {
+ return EOK;
+ }
+
+ talloc_zfree(state->cur_filter);
+ state->cur_filter = sdap_get_id_specific_filter(state, state->host_filter,
+ base->filter);
+ if (state->cur_filter == NULL) {
+ return ENOMEM;
+ }
+
+ subreq = sdap_get_generic_send(state, state->ev, state->opts, state->sh,
+ base->basedn, base->scope,
+ state->cur_filter, state->attrs, hostgroup_map,
+ HOSTGROUP_MAP_ATTRS_COUNT,
+ dp_opt_get_int(state->opts->basic,
+ SDAP_ENUM_SEARCH_TIMEOUT));
+ if (subreq == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("Error requesting hostgroup info\n"));
+ talloc_zfree(state->cur_filter);
+ return EIO;
+ }
+ tevent_req_set_callback(subreq, ipa_hostgroup_info_done, req);
+
+ return EAGAIN;
+}
+
+static void
+ipa_hostgroup_info_done(struct tevent_req *subreq)
+{
+ errno_t ret;
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq, struct tevent_req);
+ struct ipa_host_state *state =
+ tevent_req_data(req, struct ipa_host_state);
+
+ size_t hostgroups_total;
+ size_t hostgroup_count;
+ struct sysdb_attrs **hostgroups;
+ struct sdap_deref_attrs **deref_result;
+ const char *hostgroup_name;
+ const char *hostgroup_dn;
+ int i, j;
+
+ if (state->hostname == NULL) {
+ ret = sdap_get_generic_recv(subreq, state,
+ &hostgroup_count,
+ &hostgroups);
+ talloc_zfree(subreq);
+
+ /* Merge the two arrays */
+ if (hostgroup_count > 0) {
+ hostgroups_total = hostgroup_count + state->hostgroup_count;
+ state->hostgroups = talloc_realloc(state, state->hostgroups,
+ struct sysdb_attrs *,
+ hostgroups_total);
+ if (state->hostgroups == NULL) {
+ tevent_req_error(req, ENOMEM);
+ return;
+ }
+
+ i = 0;
+ while(state->hostgroup_count < hostgroups_total) {
+ state->hostgroups[state->hostgroup_count] =
+ talloc_steal(state->hostgroups, hostgroups[i]);
+ state->hostgroup_count++;
+ i++;
+ }
+ }
+
+ /* Now look in the next base */
+ state->search_base_iter++;
+ ret = ipa_hostgroup_info_next(req, state);
+ if (ret != EOK && ret != EAGAIN) {
+ tevent_req_error(req, ret);
+ }
+
+ if (ret != EOK) {
+ /* Only continue if no error occurred
+ * and no req was created */
+ return;
+ }
+ } else {
+ ret = sdap_deref_search_recv(subreq, state,
+ &state->hostgroup_count,
+ &deref_result);
+ talloc_zfree(subreq);
+ if (ret != EOK) goto done;
+
+ if (state->hostgroup_count == 0) {
+ DEBUG(SSSDBG_FUNC_DATA, ("No host groups were dereferenced\n"));
+ } else {
+ state->hostgroups = talloc_zero_array(state, struct sysdb_attrs *,
+ state->hostgroup_count);
+ if (state->hostgroups == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ j = 0;
+ for (i = 0; i < state->hostgroup_count; i++) {
+ ret = sysdb_attrs_get_string(deref_result[i]->attrs,
+ SYSDB_ORIG_DN, &hostgroup_dn);
+ if (ret != EOK) goto done;
+
+ if (!sss_ldap_dn_in_search_bases(state, hostgroup_dn,
+ state->search_bases,
+ NULL)) {
+ continue;
+ }
+
+ ret = sysdb_attrs_get_string(deref_result[i]->attrs,
+ IPA_CN, &hostgroup_name);
+ if (ret != EOK) goto done;
+
+ DEBUG(SSSDBG_FUNC_DATA, ("Dereferenced host group: %s\n",
+ hostgroup_name));
+ state->hostgroups[j] = talloc_steal(state->hostgroups,
+ deref_result[i]->attrs);
+ j++;
+ }
+ state->hostgroup_count = j;
+ }
+ }
+
+done:
+ if (ret == EOK) {
+ tevent_req_done(req);
+ } else {
+ DEBUG(SSSDBG_OP_FAILURE, ("Error [%d][%s]\n", ret, strerror(ret)));
+ tevent_req_error(req, ret);
+ }
+}
+
+errno_t ipa_host_info_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ size_t *host_count,
+ struct sysdb_attrs ***hosts,
+ size_t *hostgroup_count,
+ struct sysdb_attrs ***hostgroups)
+{
+ size_t c;
+ struct ipa_host_state *state =
+ tevent_req_data(req, struct ipa_host_state);
+
+ TEVENT_REQ_RETURN_ON_ERROR(req);
+
+ *host_count = state->host_count;
+ *hosts = talloc_steal(mem_ctx, state->hosts);
+ for (c = 0; c < state->host_count; c++) {
+ /* Guarantee the memory heirarchy of the list */
+ talloc_steal(state->hosts, state->hosts[c]);
+ }
+
+ *hostgroup_count = state->hostgroup_count;
+ *hostgroups = talloc_steal(mem_ctx, state->hostgroups);
+
+ return EOK;
+}
diff --git a/src/providers/ipa/ipa_hosts.h b/src/providers/ipa/ipa_hosts.h
new file mode 100644
index 00000000..cc658f0d
--- /dev/null
+++ b/src/providers/ipa/ipa_hosts.h
@@ -0,0 +1,45 @@
+/*
+ SSSD
+
+ Authors:
+ Jan Zeleny <jzeleny@redhat.com>
+
+ Copyright (C) 2012 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/>.
+*/
+
+#ifndef IPA_HOSTS_H_
+#define IPA_HOSTS_H_
+
+struct tevent_req *
+ipa_host_info_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct sysdb_ctx *sysdb,
+ struct sdap_handle *sh,
+ struct sdap_options *opts,
+ const char *hostname,
+ const char **attrs,
+ bool fetch_hostgroups,
+ struct sdap_search_base **search_bases);
+
+errno_t
+ipa_host_info_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ size_t *host_count,
+ struct sysdb_attrs ***hosts,
+ size_t *hostgroup_count,
+ struct sysdb_attrs ***hostgroups);
+
+#endif /* IPA_HOSTS_H_ */