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src/providers/ipa/ipa_common.c
1 428 строк
45 KB
Striker Leggette
More trivial spelling/grammatical fixes. No functional code was harmed in the changing of these files.
14 апр 2026, 16:17
14 апр 2026, 16:17
3501963
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/* SSSD IPA Provider Common 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/>. */ #ifndef _GNU_SOURCE #define _GNU_SOURCE /* For strcasestr() in ipa_set_search_bases() */ #endif #include <netdb.h> #include <ctype.h> #include <arpa/inet.h> #include <ldb.h> #include <string.h> #include "db/sysdb_selinux.h" #include "providers/ipa/ipa_common.h" #include "providers/ipa/ipa_dyndns.h" #include "providers/ldap/sdap_async_private.h" #include "providers/be_dyndns.h" #include "util/sss_krb5.h" #include "db/sysdb_services.h" #include "db/sysdb_autofs.h" #include "providers/ipa/ipa_opts.h" #include "providers/data_provider/dp_private.h" int ipa_get_options(TALLOC_CTX *memctx, struct confdb_ctx *cdb, const char *conf_path, struct sss_domain_info *dom, struct ipa_options **_opts) { struct ipa_options *opts; char *domain; char *server; char *realm; char *ipa_hostname; int ret; char hostname[HOST_NAME_MAX + 1]; opts = talloc_zero(memctx, struct ipa_options); if (!opts) return ENOMEM; ret = dp_get_options(opts, cdb, conf_path, ipa_basic_opts, IPA_OPTS_BASIC, &opts->basic); if (ret != EOK) { goto done; } domain = dp_opt_get_string(opts->basic, IPA_DOMAIN); if (!domain) { ret = dp_opt_set_string(opts->basic, IPA_DOMAIN, dom->name); if (ret != EOK) { goto done; } domain = dom->name; } server = dp_opt_get_string(opts->basic, IPA_SERVER); if (!server) { DEBUG(SSSDBG_CRIT_FAILURE, "No ipa server set, will use service discovery!\n"); } ipa_hostname = dp_opt_get_string(opts->basic, IPA_HOSTNAME); if (ipa_hostname == NULL) { ret = gethostname(hostname, sizeof(hostname)); if (ret != EOK) { ret = errno; DEBUG(SSSDBG_CRIT_FAILURE, "gethostname failed [%d][%s].\n", ret, strerror(ret)); goto done; } hostname[HOST_NAME_MAX] = '\0'; DEBUG(SSSDBG_TRACE_ALL, "Setting ipa_hostname to [%s].\n", hostname); ret = dp_opt_set_string(opts->basic, IPA_HOSTNAME, hostname); if (ret != EOK) { goto done; } } /* First check whether the realm has been manually specified */ realm = dp_opt_get_string(opts->basic, IPA_KRB5_REALM); if (!realm) { /* No explicit krb5_realm, use the IPA domain, transform to upper-case */ realm = get_uppercase_realm(opts, domain); if (!realm) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(opts->basic, IPA_KRB5_REALM, realm); if (ret != EOK) { goto done; } } ret = EOK; *_opts = opts; done: if (ret != EOK) { talloc_zfree(opts); } return ret; } static errno_t ipa_parse_search_base(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, struct dp_option *opts, int class, struct sdap_search_base ***_search_bases) { const char *class_name; char *unparsed_base; *_search_bases = NULL; switch (class) { case IPA_HBAC_SEARCH_BASE: class_name = "IPA_HBAC"; break; case IPA_SELINUX_SEARCH_BASE: class_name = "IPA_SELINUX"; break; case IPA_SUBDOMAINS_SEARCH_BASE: class_name = "IPA_SUBDOMAINS"; break; case IPA_MASTER_DOMAIN_SEARCH_BASE: class_name = "IPA_MASTER_DOMAIN"; break; case IPA_RANGES_SEARCH_BASE: class_name = "IPA_RANGES"; break; case IPA_VIEWS_SEARCH_BASE: class_name = "IPA_VIEWS"; break; case IPA_DESKPROFILE_SEARCH_BASE: class_name = "IPA_DESKPROFILE"; break; default: DEBUG(SSSDBG_CONF_SETTINGS, "Unknown search base type: [%d]\n", class); class_name = "UNKNOWN"; /* Non-fatal */ break; } unparsed_base = dp_opt_get_string(opts, class); if (!unparsed_base || unparsed_base[0] == '\0') return ENOENT; return common_parse_search_base(mem_ctx, unparsed_base, ldb, class_name, NULL, _search_bases); } int ipa_get_id_options(struct ipa_options *ipa_opts, struct confdb_ctx *cdb, const char *conf_path, struct data_provider *dp, bool sdom_add, struct sdap_options **_opts) { int ret; ipa_opts->id = talloc_zero(ipa_opts, struct sdap_options); if (!ipa_opts->id) { ret = ENOMEM; goto done; } ipa_opts->id->dp = dp; if (sdom_add) { ret = sdap_domain_add(ipa_opts->id, ipa_opts->id_ctx->sdap_id_ctx->be->domain, NULL); if (ret != EOK) { goto done; } } /* get sdap options */ ret = dp_get_options(ipa_opts->id, cdb, conf_path, ipa_def_ldap_opts, SDAP_OPTS_BASIC, &ipa_opts->id->basic); if (ret != EOK) { goto done; } /* sssd-ipa can't use simple bind, ignore option that potentially can be set * for sssd-ldap in the same domain */ ret = dp_opt_set_string(ipa_opts->id->basic, SDAP_DEFAULT_AUTHTOK_TYPE, NULL); if (ret != EOK) { goto done; } ret = EOK; *_opts = ipa_opts->id; done: if (ret != EOK) { talloc_zfree(ipa_opts->id); } return ret; } errno_t ipa_set_sdap_options(struct ipa_options *ipa_opts, struct sdap_options *sdap_opts) { TALLOC_CTX *tmpctx; errno_t ret; char *realm; char *value; tmpctx = talloc_new(ipa_opts); if (!tmpctx) { return ENOMEM; } /* set krb realm */ if (NULL == dp_opt_get_string(sdap_opts->basic, SDAP_KRB5_REALM)) { realm = dp_opt_get_string(ipa_opts->basic, IPA_KRB5_REALM); value = talloc_strdup(tmpctx, realm); if (value == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, "talloc_strdup failed.\n"); ret = ENOMEM; goto done; } ret = dp_opt_set_string(sdap_opts->basic, SDAP_KRB5_REALM, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Option %s set to %s\n", sdap_opts->basic[SDAP_KRB5_REALM].opt_name, dp_opt_get_string(sdap_opts->basic, SDAP_KRB5_REALM)); } ret = sdap_set_sasl_options(sdap_opts, dp_opt_get_string(ipa_opts->basic, IPA_HOSTNAME), dp_opt_get_string(sdap_opts->basic, SDAP_KRB5_REALM), dp_opt_get_string(sdap_opts->basic, SDAP_KRB5_KEYTAB)); if (ret != EOK) { DEBUG(SSSDBG_OP_FAILURE, "Cannot set the SASL-related options\n"); goto done; } /* fix schema to IPAv1 for now */ sdap_opts->schema_type = SDAP_SCHEMA_IPA_V1; ret = EOK; done: talloc_zfree(tmpctx); return ret; } errno_t ipa_set_search_bases(struct ipa_options *ipa_opts, struct confdb_ctx *cdb, const char *basedn, const char *conf_path, struct sdap_domain *sdap_dom) { TALLOC_CTX *tmpctx; errno_t ret; struct sdap_domain *sdom; char *value; struct ldb_context *ldb; struct sdap_options *sdap_opts; bool server_mode; int i; sdap_opts = ipa_opts->id; if (sdap_dom != NULL) { sdom = sdap_dom; } else { sdom = ipa_opts->id->sdom; } tmpctx = talloc_new(ipa_opts); if (!tmpctx) { return ENOMEM; } ldb = sysdb_ctx_get_ldb(ipa_opts->id->dp->be_ctx->domain->sysdb); if (NULL == dp_opt_get_string(sdap_opts->basic, SDAP_SEARCH_BASE)) { value = talloc_asprintf(tmpctx, "cn=accounts,%s", basedn); if (!value) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(sdap_opts->basic, SDAP_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Option %s set to %s\n", sdap_opts->basic[SDAP_SEARCH_BASE].opt_name, dp_opt_get_string(sdap_opts->basic, SDAP_SEARCH_BASE)); } ret = sdap_parse_search_base(sdap_opts, ldb, sdap_opts->basic, SDAP_SEARCH_BASE, &sdom->search_bases); if (ret != EOK) goto done; /* set user/group search bases if they are not specified */ if (NULL == dp_opt_get_string(sdap_opts->basic, SDAP_USER_SEARCH_BASE)) { ret = dp_opt_set_string(sdap_opts->basic, SDAP_USER_SEARCH_BASE, dp_opt_get_string(sdap_opts->basic, SDAP_SEARCH_BASE)); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Option %s set to %s\n", sdap_opts->basic[SDAP_USER_SEARCH_BASE].opt_name, dp_opt_get_string(sdap_opts->basic, SDAP_USER_SEARCH_BASE)); } ret = sdap_parse_search_base(sdap_opts, ldb, sdap_opts->basic, SDAP_USER_SEARCH_BASE, &sdom->user_search_bases); if (ret != EOK) goto done; /* In server mode we need to search both cn=accounts,$SUFFIX and * cn=trusts,$SUFFIX to allow trusted domain object accounts to be found. * If cn=trusts,$SUFFIX is missing in the user search bases, add one */ server_mode = dp_opt_get_bool(ipa_opts->basic, IPA_SERVER_MODE); if (server_mode != false) { /* bases is not NULL at this point already */ struct sdap_search_base **bases = sdom->user_search_bases; struct sdap_search_base *new_base = NULL; for (i = 0; bases[i] != NULL; i++) { if (strcasestr(bases[i]->basedn, "cn=trusts,") != NULL) { break; } } if (NULL == bases[i]) { /* no cn=trusts in the base, add a new one */ char *new_dn = talloc_asprintf(bases, "cn=trusts,%s", basedn); if (NULL == new_dn) { ret = ENOMEM; goto done; } ret = sdap_create_search_base(bases, ldb, new_dn, LDAP_SCOPE_SUBTREE, "(objectClass=ipaIDObject)", &new_base); if (ret != EOK) { goto done; } bases = talloc_realloc(sdap_opts, sdom->user_search_bases, struct sdap_search_base*, i + 2); if (NULL == bases) { ret = ENOMEM; goto done; } bases[i] = new_base; bases[i+1] = NULL; sdom->user_search_bases = bases; DEBUG(SSSDBG_TRACE_FUNC, "Option %s expanded to cover cn=trusts base\n", sdap_opts->basic[SDAP_USER_SEARCH_BASE].opt_name); } } if (NULL == dp_opt_get_string(sdap_opts->basic, SDAP_GROUP_SEARCH_BASE)) { ret = dp_opt_set_string(sdap_opts->basic, SDAP_GROUP_SEARCH_BASE, dp_opt_get_string(sdap_opts->basic, SDAP_SEARCH_BASE)); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Option %s set to %s\n", sdap_opts->basic[SDAP_GROUP_SEARCH_BASE].opt_name, dp_opt_get_string(sdap_opts->basic, SDAP_GROUP_SEARCH_BASE)); } ret = sdap_parse_search_base(sdap_opts, ldb, sdap_opts->basic, SDAP_GROUP_SEARCH_BASE, &sdom->group_search_bases); if (ret != EOK) goto done; if (NULL == dp_opt_get_string(sdap_opts->basic, SDAP_NETGROUP_SEARCH_BASE)) { value = talloc_asprintf(tmpctx, "cn=ng,cn=alt,%s", basedn); if (!value) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(sdap_opts->basic, SDAP_NETGROUP_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Option %s set to %s\n", sdap_opts->basic[SDAP_NETGROUP_SEARCH_BASE].opt_name, dp_opt_get_string(sdap_opts->basic, SDAP_NETGROUP_SEARCH_BASE)); } ret = sdap_parse_search_base(sdap_opts, ldb, sdap_opts->basic, SDAP_NETGROUP_SEARCH_BASE, &sdom->netgroup_search_bases); if (ret != EOK) goto done; if (NULL == dp_opt_get_string(sdap_opts->basic, SDAP_HOST_SEARCH_BASE)) { value = dp_opt_get_string(ipa_opts->basic, IPA_HOST_SEARCH_BASE); if (!value) { value = dp_opt_get_string(sdap_opts->basic, SDAP_SEARCH_BASE); } ret = dp_opt_set_string(sdap_opts->basic, SDAP_HOST_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_CONF_SETTINGS, "Option %s set to %s\n", sdap_opts->basic[SDAP_HOST_SEARCH_BASE].opt_name, value); } ret = sdap_parse_search_base(sdap_opts->basic, ldb, sdap_opts->basic, SDAP_HOST_SEARCH_BASE, &sdom->host_search_bases); if (ret != EOK) goto done; if (NULL == dp_opt_get_string(ipa_opts->basic, IPA_HBAC_SEARCH_BASE)) { value = talloc_asprintf(tmpctx, "cn=hbac,%s", basedn); if (!value) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(ipa_opts->basic, IPA_HBAC_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Option %s set to %s\n", ipa_opts->basic[IPA_HBAC_SEARCH_BASE].opt_name, dp_opt_get_string(ipa_opts->basic, IPA_HBAC_SEARCH_BASE)); } ret = ipa_parse_search_base(ipa_opts->basic, ldb, ipa_opts->basic, IPA_HBAC_SEARCH_BASE, &ipa_opts->hbac_search_bases); if (ret != EOK) goto done; if (NULL == dp_opt_get_string(ipa_opts->basic, IPA_SELINUX_SEARCH_BASE)) { value = talloc_asprintf(tmpctx, "cn=selinux,%s", basedn); if (!value) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(ipa_opts->basic, IPA_SELINUX_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_CONF_SETTINGS, "Option %s set to %s\n", ipa_opts->basic[IPA_SELINUX_SEARCH_BASE].opt_name, dp_opt_get_string(ipa_opts->basic, IPA_SELINUX_SEARCH_BASE)); } ret = ipa_parse_search_base(ipa_opts->basic, ldb, ipa_opts->basic, IPA_SELINUX_SEARCH_BASE, &ipa_opts->selinux_search_bases); if (ret != EOK) goto done; if (NULL == dp_opt_get_string(ipa_opts->basic, IPA_DESKPROFILE_SEARCH_BASE)) { value = talloc_asprintf(tmpctx, "cn=desktop-profile,%s", basedn); if (!value) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(ipa_opts->basic, IPA_DESKPROFILE_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Option %s set to %s\n", ipa_opts->basic[IPA_DESKPROFILE_SEARCH_BASE].opt_name, dp_opt_get_string(ipa_opts->basic, IPA_DESKPROFILE_SEARCH_BASE)); } ret = ipa_parse_search_base(ipa_opts->basic, ldb, ipa_opts->basic, IPA_DESKPROFILE_SEARCH_BASE, &ipa_opts->deskprofile_search_bases); if (ret != EOK) goto done; #ifdef BUILD_SUBID if (NULL == dp_opt_get_string(sdap_opts->basic, SDAP_SUBID_RANGES_SEARCH_BASE)) { /* check deprecated option */ value = dp_opt_get_string(ipa_opts->basic, IPA_SUBID_RANGES_SEARCH_BASE); if (value == NULL) { /* set a default */ value = talloc_asprintf(tmpctx, "cn=subids,%s", sdom->search_bases[0]->basedn); } if (value == NULL) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(sdap_opts->basic, SDAP_SUBID_RANGES_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Option %s set to %s\n", sdap_opts->basic[SDAP_SUBID_RANGES_SEARCH_BASE].opt_name, dp_opt_get_string(sdap_opts->basic, SDAP_SUBID_RANGES_SEARCH_BASE)); } ret = sdap_parse_search_base(sdap_opts->basic, ldb, sdap_opts->basic, SDAP_SUBID_RANGES_SEARCH_BASE, &sdom->subid_ranges_search_bases); if (ret != EOK) goto done; ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_subid_map, SDAP_OPTS_SUBID_RANGE, &sdap_opts->subid_map); if (ret != EOK) { goto done; } #endif value = dp_opt_get_string(sdap_opts->basic, SDAP_DEREF); if (value != NULL) { ret = deref_string_to_val(value, &i); if (ret != EOK) { DEBUG(SSSDBG_CRIT_FAILURE, "Failed to verify ldap_deref option.\n"); goto done; } } if (NULL == dp_opt_get_string(sdap_opts->basic, SDAP_SERVICE_SEARCH_BASE)) { value = talloc_asprintf(tmpctx, "cn=ipservices,%s", dp_opt_get_string(sdap_opts->basic, SDAP_SEARCH_BASE)); if (!value) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(sdap_opts->basic, SDAP_SERVICE_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Option %s set to %s\n", sdap_opts->basic[SDAP_SERVICE_SEARCH_BASE].opt_name, dp_opt_get_string(sdap_opts->basic, SDAP_SERVICE_SEARCH_BASE)); } ret = sdap_parse_search_base(sdap_opts, ldb, sdap_opts->basic, SDAP_SERVICE_SEARCH_BASE, &sdom->service_search_bases); if (ret != EOK) goto done; if (NULL == dp_opt_get_string(ipa_opts->basic, IPA_SUBDOMAINS_SEARCH_BASE)) { value = talloc_asprintf(tmpctx, "cn=trusts,%s", basedn); if (value == NULL) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(ipa_opts->basic, IPA_SUBDOMAINS_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_CONF_SETTINGS, "Option %s set to %s\n", ipa_opts->basic[IPA_SUBDOMAINS_SEARCH_BASE].opt_name, dp_opt_get_string(ipa_opts->basic, IPA_SUBDOMAINS_SEARCH_BASE)); } ret = ipa_parse_search_base(ipa_opts, ldb, ipa_opts->basic, IPA_SUBDOMAINS_SEARCH_BASE, &ipa_opts->subdomains_search_bases); if (ret != EOK) goto done; if (NULL == dp_opt_get_string(ipa_opts->basic, IPA_MASTER_DOMAIN_SEARCH_BASE)) { value = talloc_asprintf(tmpctx, "cn=ad,cn=etc,%s", basedn); if (value == NULL) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(ipa_opts->basic, IPA_MASTER_DOMAIN_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_CONF_SETTINGS, "Option %s set to %s\n", ipa_opts->basic[IPA_MASTER_DOMAIN_SEARCH_BASE].opt_name, dp_opt_get_string(ipa_opts->basic, IPA_MASTER_DOMAIN_SEARCH_BASE)); } ret = ipa_parse_search_base(ipa_opts, ldb, ipa_opts->basic, IPA_MASTER_DOMAIN_SEARCH_BASE, &ipa_opts->master_domain_search_bases); if (ret != EOK) goto done; if (NULL == dp_opt_get_string(ipa_opts->basic, IPA_RANGES_SEARCH_BASE)) { value = talloc_asprintf(tmpctx, "cn=ranges,cn=etc,%s", basedn); if (value == NULL) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(ipa_opts->basic, IPA_RANGES_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_CONF_SETTINGS, "Option %s set to %s\n", ipa_opts->basic[IPA_RANGES_SEARCH_BASE].opt_name, dp_opt_get_string(ipa_opts->basic, IPA_RANGES_SEARCH_BASE)); } ret = ipa_parse_search_base(ipa_opts, ldb, ipa_opts->basic, IPA_RANGES_SEARCH_BASE, &ipa_opts->ranges_search_bases); if (ret != EOK) goto done; if (NULL == dp_opt_get_string(ipa_opts->basic, IPA_VIEWS_SEARCH_BASE)) { value = talloc_asprintf(tmpctx, "cn=views,cn=accounts,%s", basedn); if (value == NULL) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(ipa_opts->basic, IPA_VIEWS_SEARCH_BASE, value); if (ret != EOK) { goto done; } DEBUG(SSSDBG_CONF_SETTINGS, "Option %s set to %s\n", ipa_opts->basic[IPA_VIEWS_SEARCH_BASE].opt_name, dp_opt_get_string(ipa_opts->basic, IPA_VIEWS_SEARCH_BASE)); } ret = ipa_parse_search_base(ipa_opts, ldb, ipa_opts->basic, IPA_VIEWS_SEARCH_BASE, &ipa_opts->views_search_bases); if (ret != EOK) goto done; ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_attr_map, SDAP_AT_GENERAL, &sdap_opts->gen_map); if (ret != EOK) { goto done; } ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_user_map, SDAP_OPTS_USER, &sdap_opts->user_map); if (ret != EOK) { goto done; } ret = sdap_extend_map_with_list(sdap_opts, sdap_opts, SDAP_USER_EXTRA_ATTRS, sdap_opts->user_map, SDAP_OPTS_USER, &sdap_opts->user_map, &sdap_opts->user_map_cnt); if (ret != EOK) { goto done; } ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_group_map, SDAP_OPTS_GROUP, &sdap_opts->group_map); if (ret != EOK) { goto done; } ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_netgroup_map, IPA_OPTS_NETGROUP, &sdap_opts->netgroup_map); if (ret != EOK) { goto done; } ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_host_map, SDAP_OPTS_HOST, &sdap_opts->host_map); if (ret != EOK) { goto done; } ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_hostgroup_map, IPA_OPTS_HOSTGROUP, &ipa_opts->hostgroup_map); if (ret != EOK) { goto done; } ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_service_map, SDAP_OPTS_SERVICES, &sdap_opts->service_map); if (ret != EOK) { goto done; } ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_selinux_user_map, IPA_OPTS_SELINUX_USERMAP, &ipa_opts->selinuxuser_map); if (ret != EOK) { goto done; } ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_view_map, IPA_OPTS_VIEW, &ipa_opts->view_map); if (ret != EOK) { goto done; } ret = sdap_get_map(sdap_opts, cdb, conf_path, ipa_override_map, IPA_OPTS_OVERRIDE, &ipa_opts->override_map); if (ret != EOK) { goto done; } ret = EOK; done: talloc_zfree(tmpctx); return ret; } int ipa_get_auth_options(struct ipa_options *ipa_opts, struct confdb_ctx *cdb, const char *conf_path, struct dp_option **_opts) { char *value; char *copy = NULL; int ret; ipa_opts->auth = talloc_zero(ipa_opts, struct dp_option); if (ipa_opts->auth == NULL) { ret = ENOMEM; goto done; } /* get krb5 options */ ret = dp_get_options(ipa_opts, cdb, conf_path, ipa_def_krb5_opts, KRB5_OPTS, &ipa_opts->auth); if (ret != EOK) { goto done; } /* If there is no KDC, try the deprecated krb5_kdcip option, too */ /* FIXME - this can be removed in a future version */ ret = krb5_try_kdcip(cdb, conf_path, ipa_opts->auth, KRB5_KDC); if (ret != EOK) { DEBUG(SSSDBG_CRIT_FAILURE, "sss_krb5_try_kdcip failed.\n"); goto done; } /* set krb realm */ if (NULL == dp_opt_get_string(ipa_opts->auth, KRB5_REALM)) { value = dp_opt_get_string(ipa_opts->basic, IPA_KRB5_REALM); if (!value) { ret = ENOMEM; goto done; } copy = talloc_strdup(ipa_opts->auth, value); if (copy == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, "talloc_strdup failed.\n"); ret = ENOMEM; goto done; } ret = dp_opt_set_string(ipa_opts->auth, KRB5_REALM, copy); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Option %s set to %s\n", ipa_opts->auth[KRB5_REALM].opt_name, dp_opt_get_string(ipa_opts->auth, KRB5_REALM)); } /* If krb5_fast_principal was not set explicitly, default to * host/$client_hostname@REALM */ value = dp_opt_get_string(ipa_opts->auth, KRB5_FAST_PRINCIPAL); if (value == NULL) { value = talloc_asprintf(ipa_opts->auth, "host/%s@%s", dp_opt_get_string(ipa_opts->basic, IPA_HOSTNAME), dp_opt_get_string(ipa_opts->auth, KRB5_REALM)); if (value == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, "talloc_asprintf() failed\n"); ret = ENOMEM; goto done; } ret = dp_opt_set_string(ipa_opts->auth, KRB5_FAST_PRINCIPAL, value); if (ret != EOK) { DEBUG(SSSDBG_CRIT_FAILURE, "Cannot set %s!\n", ipa_opts->auth[KRB5_FAST_PRINCIPAL].opt_name); goto done; } DEBUG(SSSDBG_CONF_SETTINGS, "Option %s set to %s\n", ipa_opts->auth[KRB5_FAST_PRINCIPAL].opt_name, value); } /* Set flag that controls whether we want to write the * kdcinfo files at all */ ipa_opts->service->krb5_service->write_kdcinfo = \ dp_opt_get_bool(ipa_opts->auth, KRB5_USE_KDCINFO); DEBUG(SSSDBG_CONF_SETTINGS, "Option %s set to %s\n", ipa_opts->auth[KRB5_USE_KDCINFO].opt_name, ipa_opts->service->krb5_service->write_kdcinfo ? "true" : "false"); if (ipa_opts->service->krb5_service->write_kdcinfo) { sss_krb5_parse_lookahead( dp_opt_get_string(ipa_opts->auth, KRB5_KDCINFO_LOOKAHEAD), &ipa_opts->service->krb5_service->lookahead_primary, &ipa_opts->service->krb5_service->lookahead_backup); } *_opts = ipa_opts->auth; ret = EOK; done: talloc_free(copy); if (ret != EOK) { talloc_zfree(ipa_opts->auth); } return ret; } static void ipa_resolve_callback(void *private_data, struct fo_server *server) { TALLOC_CTX *tmp_ctx = NULL; struct ipa_service *service; struct resolv_hostent *srvaddr; struct sockaddr *sockaddr; char *new_uri; const char *srv_name; socklen_t sockaddr_len; int ret; tmp_ctx = talloc_new(NULL); if (tmp_ctx == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, "talloc_new failed\n"); return; } service = talloc_get_type(private_data, struct ipa_service); if (!service) { DEBUG(SSSDBG_CRIT_FAILURE, "FATAL: Bad private_data\n"); talloc_free(tmp_ctx); return; } srvaddr = fo_get_server_hostent(server); if (!srvaddr) { DEBUG(SSSDBG_CRIT_FAILURE, "No hostent available for server (%s)\n", fo_get_server_str_name(server)); talloc_free(tmp_ctx); return; } sockaddr = resolv_get_sockaddr_address(tmp_ctx, srvaddr, LDAP_PORT, &sockaddr_len); if (sockaddr == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, "resolv_get_sockaddr_address failed.\n"); talloc_free(tmp_ctx); return; } srv_name = fo_get_server_name(server); if (srv_name == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, "Could not get server host name\n"); talloc_free(tmp_ctx); return; } new_uri = talloc_asprintf(service, "ldap://%s", srv_name); if (!new_uri) { DEBUG(SSSDBG_OP_FAILURE, "Failed to copy URI ...\n"); talloc_free(tmp_ctx); return; } DEBUG(SSSDBG_TRACE_FUNC, "Constructed uri '%s'\n", new_uri); /* free old one and replace with new one */ talloc_zfree(service->sdap->uri); service->sdap->uri = new_uri; talloc_zfree(service->sdap->sockaddr); service->sdap->sockaddr = talloc_steal(service, sockaddr); service->sdap->sockaddr_len = sockaddr_len; if (service->krb5_service->write_kdcinfo) { ret = write_krb5info_file_from_fo_server(service->krb5_service, server, true, SSS_KRB5KDC_FO_SRV, NULL); if (ret != EOK) { DEBUG(SSSDBG_OP_FAILURE, "write to %s/kdcinfo.%s failed, authentication might fail.\n", PUBCONF_PATH, service->krb5_service->realm); } } talloc_free(tmp_ctx); } static errno_t _ipa_servers_init(struct be_ctx *ctx, const char *fo_service, struct ipa_service *service, struct ipa_options *options, const char *servers, bool primary) { TALLOC_CTX *tmp_ctx; char **list = NULL; char *ipa_domain; int ret = 0; int i; int j; tmp_ctx = talloc_new(NULL); if (!tmp_ctx) { return ENOMEM; } /* split server param into a list */ ret = split_on_separator(tmp_ctx, servers, ',', true, true, &list, NULL); if (ret != EOK) { DEBUG(SSSDBG_CRIT_FAILURE, "Failed to parse server list!\n"); goto done; } for (j = 0; list[j]; j++) { if (resolv_is_address(list[j])) { DEBUG(SSSDBG_IMPORTANT_INFO, "ipa_server [%s] is detected as IP address, " "this can cause GSSAPI problems\n", list[j]); } } /* now for each one add a new server to the failover service */ for (i = 0; list[i]; i++) { talloc_steal(service, list[i]); if (be_fo_is_srv_identifier(list[i])) { if (!primary) { DEBUG(SSSDBG_MINOR_FAILURE, "Failed to add server [%s] to failover service: " "SRV resolution only allowed for primary servers!\n", list[i]); continue; } ipa_domain = dp_opt_get_string(options->basic, IPA_DOMAIN); ret = be_fo_add_srv_server(ctx, fo_service, "ldap", ipa_domain, BE_FO_PROTO_TCP, false, NULL); if (ret) { DEBUG(SSSDBG_FATAL_FAILURE, "Failed to add server\n"); goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Added service lookup for service [%s]\n", fo_service); continue; } /* It could be ipv6 address in square brackets. Remove * the brackets if needed. */ ret = remove_ipv6_brackets(list[i]); if (ret != EOK) { goto done; } ret = be_fo_add_server(ctx, fo_service, list[i], 0, NULL, primary); if (ret && ret != EEXIST) { DEBUG(SSSDBG_FATAL_FAILURE, "Failed to add server\n"); goto done; } DEBUG(SSSDBG_TRACE_FUNC, "Added Server %s\n", list[i]); } done: talloc_free(tmp_ctx); return ret; } static inline errno_t ipa_primary_servers_init(struct be_ctx *ctx, const char *fo_service, struct ipa_service *service, struct ipa_options *options, const char *servers) { return _ipa_servers_init(ctx, fo_service, service, options, servers, true); } static inline errno_t ipa_backup_servers_init(struct be_ctx *ctx, const char *fo_service, struct ipa_service *service, struct ipa_options *options, const char *servers) { return _ipa_servers_init(ctx, fo_service, service, options, servers, false); } static int ipa_user_data_cmp(void *ud1, void *ud2) { return strcasecmp((char*) ud1, (char*) ud2); } int ipa_service_init(TALLOC_CTX *memctx, struct be_ctx *ctx, const char *primary_servers, const char *backup_servers, const char *realm, const char *ipa_service, struct ipa_options *options, struct ipa_service **_service) { TALLOC_CTX *tmp_ctx; struct ipa_service *service; int ret; tmp_ctx = talloc_new(NULL); if (!tmp_ctx) { return ENOMEM; } service = talloc_zero(tmp_ctx, struct ipa_service); if (!service) { ret = ENOMEM; goto done; } service->sdap = talloc_zero(service, struct sdap_service); if (!service->sdap) { ret = ENOMEM; goto done; } service->krb5_service = krb5_service_new(service, ctx, ipa_service, realm, true, /* The configured value */ 0, /* will be set later when */ 0); /* the auth provider is set up */ if (!service->krb5_service) { ret = ENOMEM; goto done; } ret = be_fo_add_service(ctx, ipa_service, ipa_user_data_cmp); if (ret != EOK) { DEBUG(SSSDBG_CRIT_FAILURE, "Failed to create failover service!\n"); goto done; } service->sdap->name = talloc_strdup(service, ipa_service); if (!service->sdap->name) { ret = ENOMEM; goto done; } service->sdap->kinit_service_name = service->krb5_service->name; if (!primary_servers) { DEBUG(SSSDBG_CONF_SETTINGS, "No primary servers defined, using service discovery\n"); primary_servers = BE_SRV_IDENTIFIER; } ret = ipa_primary_servers_init(ctx, ipa_service, service, options, primary_servers); if (ret != EOK) { goto done; } if (backup_servers) { ret = ipa_backup_servers_init(ctx, ipa_service, service, options, backup_servers); if (ret != EOK) { goto done; } } ret = be_fo_service_add_callback(memctx, ctx, ipa_service, ipa_resolve_callback, service); if (ret != EOK) { DEBUG(SSSDBG_CRIT_FAILURE, "Failed to add failover callback!\n"); goto done; } ret = EOK; done: if (ret == EOK) { *_service = talloc_steal(memctx, service); } talloc_zfree(tmp_ctx); return ret; } int ipa_get_autofs_options(struct ipa_options *ipa_opts, struct ldb_context *ldb, struct confdb_ctx *cdb, const char *conf_path, struct sdap_options **_opts) { TALLOC_CTX *tmp_ctx; char *basedn; char *autofs_base; errno_t ret; tmp_ctx = talloc_new(NULL); if (!tmp_ctx) { return ENOMEM; } ret = domain_to_basedn(tmp_ctx, dp_opt_get_string(ipa_opts->basic, IPA_KRB5_REALM), &basedn); if (ret != EOK) { goto done; } if (NULL == dp_opt_get_string(ipa_opts->id->basic, SDAP_AUTOFS_SEARCH_BASE)) { autofs_base = talloc_asprintf(tmp_ctx, "cn=%s,cn=automount,%s", dp_opt_get_string(ipa_opts->basic, IPA_AUTOMOUNT_LOCATION), basedn); if (!autofs_base) { ret = ENOMEM; goto done; } ret = dp_opt_set_string(ipa_opts->id->basic, SDAP_AUTOFS_SEARCH_BASE, autofs_base); if (ret != EOK) { goto done; } DEBUG(SSSDBG_TRACE_LIBS, "Option %s set to %s\n", ipa_opts->id->basic[SDAP_AUTOFS_SEARCH_BASE].opt_name, dp_opt_get_string(ipa_opts->id->basic, SDAP_AUTOFS_SEARCH_BASE)); } ret = sdap_parse_search_base(ipa_opts->id, ldb, ipa_opts->id->basic, SDAP_AUTOFS_SEARCH_BASE, &ipa_opts->id->sdom->autofs_search_bases); if (ret != EOK && ret != ENOENT) { DEBUG(SSSDBG_OP_FAILURE, "Could not parse autofs search base\n"); goto done; } ret = sdap_get_map(ipa_opts->id, cdb, conf_path, ipa_autofs_mobject_map, SDAP_OPTS_AUTOFS_MAP, &ipa_opts->id->autofs_mobject_map); if (ret != EOK) { DEBUG(SSSDBG_OP_FAILURE, "Could not get autofs map object attribute map\n"); goto done; } ret = sdap_get_map(ipa_opts->id, cdb, conf_path, ipa_autofs_entry_map, SDAP_OPTS_AUTOFS_ENTRY, &ipa_opts->id->autofs_entry_map); if (ret != EOK) { DEBUG(SSSDBG_OP_FAILURE, "Could not get autofs entry object attribute map\n"); goto done; } *_opts = ipa_opts->id; ret = EOK; done: talloc_free(tmp_ctx); return ret; } errno_t ipa_get_host_attrs(struct dp_option *ipa_options, size_t host_count, struct sysdb_attrs **hosts, struct sysdb_attrs **_ipa_host) { const char *ipa_hostname; const char *hostname; errno_t ret; *_ipa_host = NULL; ipa_hostname = dp_opt_get_cstring(ipa_options, IPA_HOSTNAME); if (ipa_hostname == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, "Missing ipa_hostname, this should never happen.\n"); ret = EINVAL; goto done; } for (size_t i = 0; i < host_count; i++) { ret = sysdb_attrs_get_string(hosts[i], SYSDB_FQDN, &hostname); if (ret != EOK) { DEBUG(SSSDBG_CRIT_FAILURE, "Could not locate IPA host\n"); goto done; } if (strcasecmp(hostname, ipa_hostname) == 0) { *_ipa_host = hosts[i]; break; } } if (*_ipa_host == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, "Could not locate IPA host\n"); ret = EINVAL; goto done; } ret = EOK; done: return ret; } struct ipa_options * ipa_create_trust_options(TALLOC_CTX *mem_ctx, struct be_ctx *be_ctx, struct confdb_ctx *cdb, const char *subdom_conf_path, struct data_provider *dp, struct sss_domain_info *subdom, const char *keytab, const char *sasl_authid) { struct ipa_options *ipa_options = NULL; struct ipa_id_ctx *ipa_id_ctx = NULL; struct sdap_id_ctx *sdap_id_ctx = NULL; const char *ipa_servers; const char *ipa_backup_servers; const char *service_name; errno_t ret; DEBUG(SSSDBG_TRACE_FUNC, "Trust is defined to domain '%s'\n", subdom->name); ret = ipa_get_options(mem_ctx, cdb, subdom_conf_path, subdom, &ipa_options); if (ret != EOK || ipa_options == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, "ipa_get_options failed\n"); goto done; } else if (ipa_options == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, "ipa_options is NULL\n"); ret = ENOMEM; goto done; } ipa_servers = dp_opt_get_string(ipa_options->basic, IPA_SERVER); ipa_backup_servers = dp_opt_get_string(ipa_options->basic, IPA_BACKUP_SERVER); service_name = talloc_asprintf(ipa_options, "sd_%s", subdom->name); if (service_name == NULL) { ret = ENOMEM; goto done; } ret = ipa_service_init(ipa_options, be_ctx, ipa_servers, ipa_backup_servers, subdom->realm, service_name, ipa_options, &ipa_options->service); if (ret != EOK) { DEBUG(SSSDBG_FATAL_FAILURE, "Failed to init IPA service [%d]: %s\n", ret, sss_strerror(ret)); goto done; } /* Set IPA SDAP options */ ipa_id_ctx = talloc_zero(mem_ctx, struct ipa_id_ctx); if (ipa_id_ctx == NULL) { ret = ENOMEM; goto done; } sdap_id_ctx = sdap_id_ctx_new(mem_ctx, be_ctx, ipa_options->service->sdap); if (sdap_id_ctx == NULL) { ret = ENOMEM; goto done; } ipa_id_ctx->ipa_options = ipa_options; ipa_id_ctx->sdap_id_ctx = sdap_id_ctx; ipa_options->id_ctx = ipa_id_ctx; ret = ipa_get_id_options(ipa_options, cdb, subdom_conf_path, dp, false, &ipa_options->id); if (ret != EOK) { DEBUG(SSSDBG_CRIT_FAILURE, "ipa_get_id_options failed [%d]: %s\n", ret, sss_strerror(ret)); goto done; } if (keytab != NULL) { ret = dp_opt_set_string(ipa_options->id->basic, SDAP_KRB5_KEYTAB, keytab); if (ret != EOK) { DEBUG(SSSDBG_OP_FAILURE, "Cannot set trust keytab\n"); goto done; } } /* Set SDAP_SASL_AUTHID to the trust principal */ ret = dp_opt_set_string(ipa_options->id->basic, SDAP_SASL_AUTHID, sasl_authid); if (ret != EOK) { DEBUG(SSSDBG_OP_FAILURE, "Cannot set SASL authid\n"); goto done; } done: if (ret != EOK) { if (ipa_options != NULL) { talloc_free(ipa_options); } if (ipa_id_ctx != NULL) { talloc_free(ipa_options); } return NULL; } return ipa_options; }