diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/providers/ipa/ipa_access.c | 56 | ||||
| -rw-r--r-- | src/providers/ipa/ipa_access.h | 1 | ||||
| -rw-r--r-- | src/providers/ipa/ipa_hbac_hosts.c | 434 | ||||
| -rw-r--r-- | src/providers/ipa/ipa_hbac_private.h | 19 | ||||
| -rw-r--r-- | src/providers/ipa/ipa_hosts.c | 449 | ||||
| -rw-r--r-- | src/providers/ipa/ipa_hosts.h | 45 |
6 files changed, 535 insertions, 469 deletions
diff --git a/src/providers/ipa/ipa_access.c b/src/providers/ipa/ipa_access.c index 7d42e8b4e..03945f721 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 655710132..2c7a6e815 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 329fdc884..1626f178a 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 8d735b8bd..acf567157 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 000000000..04ce9adfd --- /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 000000000..cc658f0df --- /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_ */ |