/* Unix SMB/CIFS implementation. IPA helper functions for SAMBA Copyright (C) Sumit Bose 2010 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 . */ #include "includes.h" #include "passdb.h" #include "libcli/security/dom_sid.h" #include "../librpc/ndr/libndr.h" #include "librpc/gen_ndr/samr.h" #include "secrets.h" #include "smbldap.h" #include "passdb/pdb_ldap.h" #include "passdb/pdb_ipa.h" #include "passdb/pdb_ldap_schema.h" #define IPA_KEYTAB_SET_OID "2.16.840.1.113730.3.8.3.1" #define IPA_MAGIC_ID_STR "999" #define LDAP_TRUST_CONTAINER "ou=system" #define LDAP_ATTRIBUTE_CN "cn" #define LDAP_ATTRIBUTE_TRUST_TYPE "sambaTrustType" #define LDAP_ATTRIBUTE_TRUST_ATTRIBUTES "sambaTrustAttributes" #define LDAP_ATTRIBUTE_TRUST_DIRECTION "sambaTrustDirection" #define LDAP_ATTRIBUTE_TRUST_POSIX_OFFSET "sambaTrustPosixOffset" #define LDAP_ATTRIBUTE_SUPPORTED_ENC_TYPE "sambaSupportedEncryptionTypes" #define LDAP_ATTRIBUTE_TRUST_PARTNER "sambaTrustPartner" #define LDAP_ATTRIBUTE_FLAT_NAME "sambaFlatName" #define LDAP_ATTRIBUTE_TRUST_AUTH_OUTGOING "sambaTrustAuthOutgoing" #define LDAP_ATTRIBUTE_TRUST_AUTH_INCOMING "sambaTrustAuthIncoming" #define LDAP_ATTRIBUTE_SECURITY_IDENTIFIER "sambaSecurityIdentifier" #define LDAP_ATTRIBUTE_TRUST_FOREST_TRUST_INFO "sambaTrustForestTrustInfo" #define LDAP_ATTRIBUTE_OBJECTCLASS "objectClass" #define LDAP_OBJ_KRB_PRINCIPAL "krbPrincipal" #define LDAP_OBJ_KRB_PRINCIPAL_AUX "krbPrincipalAux" #define LDAP_ATTRIBUTE_KRB_PRINCIPAL "krbPrincipalName" #define LDAP_OBJ_IPAOBJECT "ipaObject" #define LDAP_OBJ_IPAHOST "ipaHost" #define LDAP_OBJ_POSIXACCOUNT "posixAccount" #define LDAP_OBJ_GROUPOFNAMES "groupOfNames" #define LDAP_OBJ_NESTEDGROUP "nestedGroup" #define LDAP_OBJ_IPAUSERGROUP "ipaUserGroup" #define LDAP_OBJ_POSIXGROUP "posixGroup" #define HAS_KRB_PRINCIPAL (1<<0) #define HAS_KRB_PRINCIPAL_AUX (1<<1) #define HAS_IPAOBJECT (1<<2) #define HAS_IPAHOST (1<<3) #define HAS_POSIXACCOUNT (1<<4) #define HAS_GROUPOFNAMES (1<<5) #define HAS_NESTEDGROUP (1<<6) #define HAS_IPAUSERGROUP (1<<7) #define HAS_POSIXGROUP (1<<8) struct ipasam_privates { bool server_is_ipa; NTSTATUS (*ldapsam_add_sam_account)(struct pdb_methods *, struct samu *sampass); NTSTATUS (*ldapsam_update_sam_account)(struct pdb_methods *, struct samu *sampass); NTSTATUS (*ldapsam_create_user)(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, const char *name, uint32_t acb_info, uint32_t *rid); NTSTATUS (*ldapsam_create_dom_group)(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, const char *name, uint32_t *rid); }; static bool ipasam_get_trusteddom_pw(struct pdb_methods *methods, const char *domain, char** pwd, struct dom_sid *sid, time_t *pass_last_set_time) { return false; } static bool ipasam_set_trusteddom_pw(struct pdb_methods *methods, const char* domain, const char* pwd, const struct dom_sid *sid) { return false; } static bool ipasam_del_trusteddom_pw(struct pdb_methods *methods, const char *domain) { return false; } static char *get_account_dn(const char *name) { char *escape_name; char *dn; escape_name = escape_rdn_val_string_alloc(name); if (!escape_name) { return NULL; } if (name[strlen(name)-1] == '$') { dn = talloc_asprintf(talloc_tos(), "uid=%s,%s", escape_name, lp_ldap_machine_suffix(talloc_tos())); } else { dn = talloc_asprintf(talloc_tos(), "uid=%s,%s", escape_name, lp_ldap_user_suffix(talloc_tos())); } SAFE_FREE(escape_name); return dn; } static char *trusted_domain_dn(struct ldapsam_privates *ldap_state, const char *domain) { return talloc_asprintf(talloc_tos(), "%s=%s,%s,%s", LDAP_ATTRIBUTE_CN, domain, LDAP_TRUST_CONTAINER, ldap_state->domain_dn); } static char *trusted_domain_base_dn(struct ldapsam_privates *ldap_state) { return talloc_asprintf(talloc_tos(), "%s,%s", LDAP_TRUST_CONTAINER, ldap_state->domain_dn); } static bool get_trusted_domain_int(struct ldapsam_privates *ldap_state, TALLOC_CTX *mem_ctx, const char *filter, LDAPMessage **entry) { int rc; char *base_dn = NULL; LDAPMessage *result = NULL; uint32_t num_result; base_dn = trusted_domain_base_dn(ldap_state); if (base_dn == NULL) { return false; } rc = smbldap_search(ldap_state->smbldap_state, base_dn, LDAP_SCOPE_SUBTREE, filter, NULL, 0, &result); TALLOC_FREE(base_dn); if (result != NULL) { talloc_autofree_ldapmsg(mem_ctx, result); } if (rc == LDAP_NO_SUCH_OBJECT) { *entry = NULL; return true; } if (rc != LDAP_SUCCESS) { return false; } num_result = ldap_count_entries(priv2ld(ldap_state), result); if (num_result > 1) { DEBUG(1, ("get_trusted_domain_int: more than one " "%s object with filter '%s'?!\n", LDAP_OBJ_TRUSTED_DOMAIN, filter)); return false; } if (num_result == 0) { DEBUG(1, ("get_trusted_domain_int: no " "%s object with filter '%s'.\n", LDAP_OBJ_TRUSTED_DOMAIN, filter)); *entry = NULL; } else { *entry = ldap_first_entry(priv2ld(ldap_state), result); } return true; } static bool get_trusted_domain_by_name_int(struct ldapsam_privates *ldap_state, TALLOC_CTX *mem_ctx, const char *domain, LDAPMessage **entry) { char *filter = NULL; filter = talloc_asprintf(talloc_tos(), "(&(objectClass=%s)(|(%s=%s)(%s=%s)(cn=%s)))", LDAP_OBJ_TRUSTED_DOMAIN, LDAP_ATTRIBUTE_FLAT_NAME, domain, LDAP_ATTRIBUTE_TRUST_PARTNER, domain, domain); if (filter == NULL) { return false; } return get_trusted_domain_int(ldap_state, mem_ctx, filter, entry); } static bool get_trusted_domain_by_sid_int(struct ldapsam_privates *ldap_state, TALLOC_CTX *mem_ctx, const char *sid, LDAPMessage **entry) { char *filter = NULL; filter = talloc_asprintf(talloc_tos(), "(&(objectClass=%s)(%s=%s))", LDAP_OBJ_TRUSTED_DOMAIN, LDAP_ATTRIBUTE_SECURITY_IDENTIFIER, sid); if (filter == NULL) { return false; } return get_trusted_domain_int(ldap_state, mem_ctx, filter, entry); } static bool get_uint32_t_from_ldap_msg(struct ldapsam_privates *ldap_state, LDAPMessage *entry, const char *attr, uint32_t *val) { char *dummy; long int l; char *endptr; dummy = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, attr, talloc_tos()); if (dummy == NULL) { DEBUG(9, ("Attribute %s not present.\n", attr)); *val = 0; return true; } l = strtoul(dummy, &endptr, 10); TALLOC_FREE(dummy); if (l < 0 || l > UINT32_MAX || *endptr != '\0') { return false; } *val = l; return true; } static void get_data_blob_from_ldap_msg(TALLOC_CTX *mem_ctx, struct ldapsam_privates *ldap_state, LDAPMessage *entry, const char *attr, DATA_BLOB *_blob) { char *dummy; DATA_BLOB blob; dummy = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, attr, talloc_tos()); if (dummy == NULL) { DEBUG(9, ("Attribute %s not present.\n", attr)); ZERO_STRUCTP(_blob); } else { blob = base64_decode_data_blob(dummy); if (blob.length == 0) { ZERO_STRUCTP(_blob); } else { _blob->length = blob.length; _blob->data = talloc_steal(mem_ctx, blob.data); } } TALLOC_FREE(dummy); } static bool fill_pdb_trusted_domain(TALLOC_CTX *mem_ctx, struct ldapsam_privates *ldap_state, LDAPMessage *entry, struct pdb_trusted_domain **_td) { char *dummy; bool res; struct pdb_trusted_domain *td; if (entry == NULL) { return false; } td = talloc_zero(mem_ctx, struct pdb_trusted_domain); if (td == NULL) { return false; } /* All attributes are MAY */ dummy = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, LDAP_ATTRIBUTE_SECURITY_IDENTIFIER, talloc_tos()); if (dummy == NULL) { DEBUG(9, ("Attribute %s not present.\n", LDAP_ATTRIBUTE_SECURITY_IDENTIFIER)); ZERO_STRUCT(td->security_identifier); } else { res = string_to_sid(&td->security_identifier, dummy); TALLOC_FREE(dummy); if (!res) { return false; } } get_data_blob_from_ldap_msg(td, ldap_state, entry, LDAP_ATTRIBUTE_TRUST_AUTH_INCOMING, &td->trust_auth_incoming); get_data_blob_from_ldap_msg(td, ldap_state, entry, LDAP_ATTRIBUTE_TRUST_AUTH_OUTGOING, &td->trust_auth_outgoing); td->netbios_name = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, LDAP_ATTRIBUTE_FLAT_NAME, td); if (td->netbios_name == NULL) { DEBUG(9, ("Attribute %s not present.\n", LDAP_ATTRIBUTE_FLAT_NAME)); } td->domain_name = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, LDAP_ATTRIBUTE_TRUST_PARTNER, td); if (td->domain_name == NULL) { DEBUG(9, ("Attribute %s not present.\n", LDAP_ATTRIBUTE_TRUST_PARTNER)); } res = get_uint32_t_from_ldap_msg(ldap_state, entry, LDAP_ATTRIBUTE_TRUST_DIRECTION, &td->trust_direction); if (!res) { return false; } res = get_uint32_t_from_ldap_msg(ldap_state, entry, LDAP_ATTRIBUTE_TRUST_ATTRIBUTES, &td->trust_attributes); if (!res) { return false; } res = get_uint32_t_from_ldap_msg(ldap_state, entry, LDAP_ATTRIBUTE_TRUST_TYPE, &td->trust_type); if (!res) { return false; } td->trust_posix_offset = talloc(td, uint32_t); if (td->trust_posix_offset == NULL) { return false; } res = get_uint32_t_from_ldap_msg(ldap_state, entry, LDAP_ATTRIBUTE_TRUST_POSIX_OFFSET, td->trust_posix_offset); if (!res) { return false; } td->supported_enc_type = talloc(td, uint32_t); if (td->supported_enc_type == NULL) { return false; } res = get_uint32_t_from_ldap_msg(ldap_state, entry, LDAP_ATTRIBUTE_SUPPORTED_ENC_TYPE, td->supported_enc_type); if (!res) { return false; } get_data_blob_from_ldap_msg(td, ldap_state, entry, LDAP_ATTRIBUTE_TRUST_FOREST_TRUST_INFO, &td->trust_forest_trust_info); *_td = td; return true; } static NTSTATUS ipasam_get_trusted_domain(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, const char *domain, struct pdb_trusted_domain **td) { struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)methods->private_data; LDAPMessage *entry = NULL; DEBUG(10, ("ipasam_get_trusted_domain called for domain %s\n", domain)); if (!get_trusted_domain_by_name_int(ldap_state, talloc_tos(), domain, &entry)) { return NT_STATUS_UNSUCCESSFUL; } if (entry == NULL) { DEBUG(5, ("ipasam_get_trusted_domain: no such trusted domain: " "%s\n", domain)); return NT_STATUS_NO_SUCH_DOMAIN; } if (!fill_pdb_trusted_domain(mem_ctx, ldap_state, entry, td)) { return NT_STATUS_UNSUCCESSFUL; } return NT_STATUS_OK; } static NTSTATUS ipasam_get_trusted_domain_by_sid(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, struct dom_sid *sid, struct pdb_trusted_domain **td) { struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)methods->private_data; LDAPMessage *entry = NULL; char *sid_str; sid_str = sid_string_tos(sid); DEBUG(10, ("ipasam_get_trusted_domain_by_sid called for sid %s\n", sid_str)); if (!get_trusted_domain_by_sid_int(ldap_state, talloc_tos(), sid_str, &entry)) { return NT_STATUS_UNSUCCESSFUL; } if (entry == NULL) { DEBUG(5, ("ipasam_get_trusted_domain_by_sid: no trusted domain " "with sid: %s\n", sid_str)); return NT_STATUS_NO_SUCH_DOMAIN; } if (!fill_pdb_trusted_domain(mem_ctx, ldap_state, entry, td)) { return NT_STATUS_UNSUCCESSFUL; } return NT_STATUS_OK; } static bool smbldap_make_mod_uint32_t(LDAP *ldap_struct, LDAPMessage *entry, LDAPMod ***mods, const char *attribute, const uint32_t val) { char *dummy; dummy = talloc_asprintf(talloc_tos(), "%lu", (unsigned long) val); if (dummy == NULL) { return false; } smbldap_make_mod(ldap_struct, entry, mods, attribute, dummy); TALLOC_FREE(dummy); return true; } static NTSTATUS ipasam_set_trusted_domain(struct pdb_methods *methods, const char* domain, const struct pdb_trusted_domain *td) { struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)methods->private_data; LDAPMessage *entry = NULL; LDAPMod **mods; bool res; char *trusted_dn = NULL; int ret; DEBUG(10, ("ipasam_set_trusted_domain called for domain %s\n", domain)); res = get_trusted_domain_by_name_int(ldap_state, talloc_tos(), domain, &entry); if (!res) { return NT_STATUS_UNSUCCESSFUL; } mods = NULL; smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass", LDAP_OBJ_TRUSTED_DOMAIN); if (td->netbios_name != NULL) { smbldap_make_mod(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_FLAT_NAME, td->netbios_name); } if (td->domain_name != NULL) { smbldap_make_mod(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_TRUST_PARTNER, td->domain_name); } if (!is_null_sid(&td->security_identifier)) { smbldap_make_mod(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_SECURITY_IDENTIFIER, sid_string_tos(&td->security_identifier)); } if (td->trust_type != 0) { res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_TRUST_TYPE, td->trust_type); if (!res) { return NT_STATUS_UNSUCCESSFUL; } } if (td->trust_attributes != 0) { res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_TRUST_ATTRIBUTES, td->trust_attributes); if (!res) { return NT_STATUS_UNSUCCESSFUL; } } if (td->trust_direction != 0) { res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_TRUST_DIRECTION, td->trust_direction); if (!res) { return NT_STATUS_UNSUCCESSFUL; } } if (td->trust_posix_offset != NULL) { res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_TRUST_POSIX_OFFSET, *td->trust_posix_offset); if (!res) { return NT_STATUS_UNSUCCESSFUL; } } if (td->supported_enc_type != NULL) { res = smbldap_make_mod_uint32_t(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_SUPPORTED_ENC_TYPE, *td->supported_enc_type); if (!res) { return NT_STATUS_UNSUCCESSFUL; } } if (td->trust_auth_outgoing.data != NULL) { smbldap_make_mod_blob(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_TRUST_AUTH_OUTGOING, &td->trust_auth_outgoing); } if (td->trust_auth_incoming.data != NULL) { smbldap_make_mod_blob(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_TRUST_AUTH_INCOMING, &td->trust_auth_incoming); } if (td->trust_forest_trust_info.data != NULL) { smbldap_make_mod_blob(priv2ld(ldap_state), entry, &mods, LDAP_ATTRIBUTE_TRUST_FOREST_TRUST_INFO, &td->trust_forest_trust_info); } talloc_autofree_ldapmod(talloc_tos(), mods); trusted_dn = trusted_domain_dn(ldap_state, domain); if (trusted_dn == NULL) { return NT_STATUS_NO_MEMORY; } if (entry == NULL) { ret = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods); } else { ret = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods); } if (ret != LDAP_SUCCESS) { DEBUG(1, ("error writing trusted domain data!\n")); return NT_STATUS_UNSUCCESSFUL; } return NT_STATUS_OK; } static NTSTATUS ipasam_del_trusted_domain(struct pdb_methods *methods, const char *domain) { int ret; struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)methods->private_data; LDAPMessage *entry = NULL; const char *dn; if (!get_trusted_domain_by_name_int(ldap_state, talloc_tos(), domain, &entry)) { return NT_STATUS_UNSUCCESSFUL; } if (entry == NULL) { DEBUG(5, ("ipasam_del_trusted_domain: no such trusted domain: " "%s\n", domain)); return NT_STATUS_NO_SUCH_DOMAIN; } dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state), entry); if (dn == NULL) { DEBUG(0,("ipasam_del_trusted_domain: Out of memory!\n")); return NT_STATUS_NO_MEMORY; } ret = smbldap_delete(ldap_state->smbldap_state, dn); if (ret != LDAP_SUCCESS) { return NT_STATUS_UNSUCCESSFUL; } return NT_STATUS_OK; } static NTSTATUS ipasam_enum_trusted_domains(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, uint32_t *num_domains, struct pdb_trusted_domain ***domains) { int rc; struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)methods->private_data; char *base_dn = NULL; char *filter = NULL; int scope = LDAP_SCOPE_SUBTREE; LDAPMessage *result = NULL; LDAPMessage *entry = NULL; filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_TRUSTED_DOMAIN); if (filter == NULL) { return NT_STATUS_NO_MEMORY; } base_dn = trusted_domain_base_dn(ldap_state); if (base_dn == NULL) { TALLOC_FREE(filter); return NT_STATUS_NO_MEMORY; } rc = smbldap_search(ldap_state->smbldap_state, base_dn, scope, filter, NULL, 0, &result); TALLOC_FREE(filter); TALLOC_FREE(base_dn); if (result != NULL) { talloc_autofree_ldapmsg(mem_ctx, result); } if (rc == LDAP_NO_SUCH_OBJECT) { *num_domains = 0; *domains = NULL; return NT_STATUS_OK; } if (rc != LDAP_SUCCESS) { return NT_STATUS_UNSUCCESSFUL; } *num_domains = 0; if (!(*domains = talloc_array(mem_ctx, struct pdb_trusted_domain *, 1))) { DEBUG(1, ("talloc failed\n")); return NT_STATUS_NO_MEMORY; } for (entry = ldap_first_entry(priv2ld(ldap_state), result); entry != NULL; entry = ldap_next_entry(priv2ld(ldap_state), entry)) { struct pdb_trusted_domain *dom_info; if (!fill_pdb_trusted_domain(*domains, ldap_state, entry, &dom_info)) { return NT_STATUS_UNSUCCESSFUL; } ADD_TO_ARRAY(*domains, struct pdb_trusted_domain *, dom_info, domains, num_domains); if (*domains == NULL) { DEBUG(1, ("talloc failed\n")); return NT_STATUS_NO_MEMORY; } } DEBUG(5, ("ipasam_enum_trusted_domains: got %d domains\n", *num_domains)); return NT_STATUS_OK; } static NTSTATUS ipasam_enum_trusteddoms(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, uint32_t *num_domains, struct trustdom_info ***domains) { NTSTATUS status; struct pdb_trusted_domain **td; int i; status = ipasam_enum_trusted_domains(methods, talloc_tos(), num_domains, &td); if (!NT_STATUS_IS_OK(status)) { return status; } if (*num_domains == 0) { return NT_STATUS_OK; } if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, *num_domains))) { DEBUG(1, ("talloc failed\n")); return NT_STATUS_NO_MEMORY; } for (i = 0; i < *num_domains; i++) { struct trustdom_info *dom_info; dom_info = talloc(*domains, struct trustdom_info); if (dom_info == NULL) { DEBUG(1, ("talloc failed\n")); return NT_STATUS_NO_MEMORY; } dom_info->name = talloc_steal(mem_ctx, td[i]->netbios_name); sid_copy(&dom_info->sid, &td[i]->security_identifier); (*domains)[i] = dom_info; } return NT_STATUS_OK; } static uint32_t pdb_ipasam_capabilities(struct pdb_methods *methods) { return PDB_CAP_STORE_RIDS | PDB_CAP_ADS | PDB_CAP_TRUSTED_DOMAINS_EX; } static struct pdb_domain_info *pdb_ipasam_get_domain_info(struct pdb_methods *pdb_methods, TALLOC_CTX *mem_ctx) { struct pdb_domain_info *info; struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)pdb_methods->private_data; char sid_buf[24]; DATA_BLOB sid_blob; NTSTATUS status; info = talloc(mem_ctx, struct pdb_domain_info); if (info == NULL) { return NULL; } info->name = talloc_strdup(info, ldap_state->domain_name); if (info->name == NULL) { goto fail; } /* TODO: read dns_domain, dns_forest and guid from LDAP */ info->dns_domain = talloc_strdup(info, lp_realm()); if (info->dns_domain == NULL) { goto fail; } if (!strlower_m(info->dns_domain)) { goto fail; } info->dns_forest = talloc_strdup(info, info->dns_domain); /* we expect a domain SID to have 4 sub IDs */ if (ldap_state->domain_sid.num_auths != 4) { goto fail; } sid_copy(&info->sid, &ldap_state->domain_sid); if (!sid_linearize(sid_buf, sizeof(sid_buf), &info->sid)) { goto fail; } /* the first 8 bytes of the linearized SID are not random, * so we skip them */ sid_blob.data = (uint8_t *) sid_buf + 8 ; sid_blob.length = 16; status = GUID_from_ndr_blob(&sid_blob, &info->guid); if (!NT_STATUS_IS_OK(status)) { goto fail; } return info; fail: TALLOC_FREE(info); return NULL; } static NTSTATUS modify_ipa_password_exop(struct ldapsam_privates *ldap_state, struct samu *sampass) { int ret; BerElement *ber = NULL; struct berval *bv = NULL; char *retoid = NULL; struct berval *retdata = NULL; const char *password; char *dn; password = pdb_get_plaintext_passwd(sampass); if (password == NULL || *password == '\0') { return NT_STATUS_INVALID_PARAMETER; } dn = get_account_dn(pdb_get_username(sampass)); if (dn == NULL) { return NT_STATUS_INVALID_PARAMETER; } ber = ber_alloc_t( LBER_USE_DER ); if (ber == NULL) { DEBUG(7, ("ber_alloc_t failed.\n")); return NT_STATUS_NO_MEMORY; } ret = ber_printf(ber, "{tsts}", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, dn, LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, password); if (ret == -1) { DEBUG(7, ("ber_printf failed.\n")); ber_free(ber, 1); return NT_STATUS_UNSUCCESSFUL; } ret = ber_flatten(ber, &bv); ber_free(ber, 1); if (ret == -1) { DEBUG(1, ("ber_flatten failed.\n")); return NT_STATUS_UNSUCCESSFUL; } ret = smbldap_extended_operation(ldap_state->smbldap_state, LDAP_EXOP_MODIFY_PASSWD, bv, NULL, NULL, &retoid, &retdata); ber_bvfree(bv); if (retdata) { ber_bvfree(retdata); } if (retoid) { ldap_memfree(retoid); } if (ret != LDAP_SUCCESS) { DEBUG(1, ("smbldap_extended_operation LDAP_EXOP_MODIFY_PASSWD failed.\n")); return NT_STATUS_UNSUCCESSFUL; } return NT_STATUS_OK; } static NTSTATUS ipasam_get_objectclasses(struct ldapsam_privates *ldap_state, const char *dn, LDAPMessage *entry, uint32_t *has_objectclass) { char **objectclasses; size_t c; objectclasses = ldap_get_values(priv2ld(ldap_state), entry, LDAP_ATTRIBUTE_OBJECTCLASS); if (objectclasses == NULL) { DEBUG(0, ("Entry [%s] does not have any objectclasses.\n", dn)); return NT_STATUS_INTERNAL_DB_CORRUPTION; } *has_objectclass = 0; for (c = 0; objectclasses[c] != NULL; c++) { if (strequal(objectclasses[c], LDAP_OBJ_KRB_PRINCIPAL)) { *has_objectclass |= HAS_KRB_PRINCIPAL; } else if (strequal(objectclasses[c], LDAP_OBJ_KRB_PRINCIPAL_AUX)) { *has_objectclass |= HAS_KRB_PRINCIPAL_AUX; } else if (strequal(objectclasses[c], LDAP_OBJ_IPAOBJECT)) { *has_objectclass |= HAS_IPAOBJECT; } else if (strequal(objectclasses[c], LDAP_OBJ_IPAHOST)) { *has_objectclass |= HAS_IPAHOST; } else if (strequal(objectclasses[c], LDAP_OBJ_POSIXACCOUNT)) { *has_objectclass |= HAS_POSIXACCOUNT; } else if (strequal(objectclasses[c], LDAP_OBJ_GROUPOFNAMES)) { *has_objectclass |= HAS_GROUPOFNAMES; } else if (strequal(objectclasses[c], LDAP_OBJ_NESTEDGROUP)) { *has_objectclass |= HAS_NESTEDGROUP; } else if (strequal(objectclasses[c], LDAP_OBJ_IPAUSERGROUP)) { *has_objectclass |= HAS_IPAUSERGROUP; } else if (strequal(objectclasses[c], LDAP_OBJ_POSIXGROUP)) { *has_objectclass |= HAS_POSIXGROUP; } } ldap_value_free(objectclasses); return NT_STATUS_OK; } enum obj_type { IPA_NO_OBJ = 0, IPA_USER_OBJ, IPA_GROUP_OBJ }; static NTSTATUS find_obj(struct ldapsam_privates *ldap_state, const char *name, enum obj_type type, char **_dn, uint32_t *_has_objectclass) { int ret; char *username; char *filter; LDAPMessage *result = NULL; LDAPMessage *entry = NULL; int num_result; char *dn; uint32_t has_objectclass; NTSTATUS status; const char *obj_class = NULL; switch (type) { case IPA_USER_OBJ: obj_class = LDAP_OBJ_POSIXACCOUNT; break; case IPA_GROUP_OBJ: obj_class = LDAP_OBJ_POSIXGROUP; break; default: DEBUG(0, ("Unsupported IPA object.\n")); return NT_STATUS_INVALID_PARAMETER; } username = escape_ldap_string(talloc_tos(), name); if (username == NULL) { return NT_STATUS_NO_MEMORY; } filter = talloc_asprintf(talloc_tos(), "(&(uid=%s)(objectClass=%s))", username, obj_class); if (filter == NULL) { return NT_STATUS_NO_MEMORY; } TALLOC_FREE(username); ret = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); if (ret != LDAP_SUCCESS) { DEBUG(0, ("smbldap_search_suffix failed.\n")); return NT_STATUS_ACCESS_DENIED; } num_result = ldap_count_entries(priv2ld(ldap_state), result); if (num_result != 1) { if (num_result == 0) { switch (type) { case IPA_USER_OBJ: status = NT_STATUS_NO_SUCH_USER; break; case IPA_GROUP_OBJ: status = NT_STATUS_NO_SUCH_GROUP; break; default: status = NT_STATUS_INVALID_PARAMETER; } } else { DEBUG (0, ("find_user: More than one object with name [%s] ?!\n", name)); status = NT_STATUS_INTERNAL_DB_CORRUPTION; } goto done; } entry = ldap_first_entry(priv2ld(ldap_state), result); if (!entry) { DEBUG(0,("find_user: Out of memory!\n")); status = NT_STATUS_UNSUCCESSFUL; goto done; } dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state), entry); if (!dn) { DEBUG(0,("find_user: Out of memory!\n")); status = NT_STATUS_NO_MEMORY; goto done; } status = ipasam_get_objectclasses(ldap_state, dn, entry, &has_objectclass); if (!NT_STATUS_IS_OK(status)) { goto done; } *_dn = dn; *_has_objectclass = has_objectclass; status = NT_STATUS_OK; done: ldap_msgfree(result); return status; } static NTSTATUS find_user(struct ldapsam_privates *ldap_state, const char *name, char **_dn, uint32_t *_has_objectclass) { return find_obj(ldap_state, name, IPA_USER_OBJ, _dn, _has_objectclass); } static NTSTATUS find_group(struct ldapsam_privates *ldap_state, const char *name, char **_dn, uint32_t *_has_objectclass) { return find_obj(ldap_state, name, IPA_GROUP_OBJ, _dn, _has_objectclass); } static NTSTATUS ipasam_add_posix_account_objectclass(struct ldapsam_privates *ldap_state, int ldap_op, const char *dn, const char *username) { int ret; LDAPMod **mods = NULL; smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", "posixAccount"); smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", username); smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", IPA_MAGIC_ID_STR); smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", "12345"); smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", "/dev/null"); if (ldap_op == LDAP_MOD_ADD) { ret = smbldap_add(ldap_state->smbldap_state, dn, mods); } else { ret = smbldap_modify(ldap_state->smbldap_state, dn, mods); } ldap_mods_free(mods, 1); if (ret != LDAP_SUCCESS) { DEBUG(1, ("failed to modify/add user with uid = %s (dn = %s)\n", username, dn)); return NT_STATUS_LDAP(ret); } return NT_STATUS_OK; } static NTSTATUS ipasam_add_ipa_group_objectclasses(struct ldapsam_privates *ldap_state, const char *dn, const char *name, uint32_t has_objectclass) { LDAPMod **mods = NULL; int ret; if (!(has_objectclass & HAS_GROUPOFNAMES)) { smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_OBJECTCLASS, LDAP_OBJ_GROUPOFNAMES); } if (!(has_objectclass & HAS_NESTEDGROUP)) { smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_OBJECTCLASS, LDAP_OBJ_NESTEDGROUP); } if (!(has_objectclass & HAS_IPAUSERGROUP)) { smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_OBJECTCLASS, LDAP_OBJ_IPAUSERGROUP); } if (!(has_objectclass & HAS_IPAOBJECT)) { smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_OBJECTCLASS, LDAP_OBJ_IPAOBJECT); } if (!(has_objectclass & HAS_POSIXGROUP)) { smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_OBJECTCLASS, LDAP_OBJ_POSIXGROUP); smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_CN, name); smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_GIDNUMBER, IPA_MAGIC_ID_STR); } ret = smbldap_modify(ldap_state->smbldap_state, dn, mods); ldap_mods_free(mods, 1); if (ret != LDAP_SUCCESS) { DEBUG(1, ("failed to modify/add group %s (dn = %s)\n", name, dn)); return NT_STATUS_LDAP(ret); } return NT_STATUS_OK; } static NTSTATUS ipasam_add_ipa_objectclasses(struct ldapsam_privates *ldap_state, const char *dn, const char *name, const char *domain, uint32_t acct_flags, uint32_t has_objectclass) { LDAPMod **mods = NULL; int ret; char *princ; if (!(has_objectclass & HAS_KRB_PRINCIPAL)) { smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_OBJECTCLASS, LDAP_OBJ_KRB_PRINCIPAL); princ = talloc_asprintf(talloc_tos(), "%s@%s", name, lp_realm()); if (princ == NULL) { return NT_STATUS_NO_MEMORY; } smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_KRB_PRINCIPAL, princ); } if (!(has_objectclass & HAS_KRB_PRINCIPAL_AUX)) { smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_OBJECTCLASS, LDAP_OBJ_KRB_PRINCIPAL_AUX); } if (!(has_objectclass & HAS_IPAOBJECT)) { smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_OBJECTCLASS, LDAP_OBJ_IPAOBJECT); } if ((acct_flags != 0) && (((acct_flags & ACB_NORMAL) && name[strlen(name)-1] == '$') || ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))) { if (!(has_objectclass & HAS_IPAHOST)) { smbldap_set_mod(&mods, LDAP_MOD_ADD, LDAP_ATTRIBUTE_OBJECTCLASS, LDAP_OBJ_IPAHOST); if (domain == NULL) { return NT_STATUS_INVALID_PARAMETER; } smbldap_set_mod(&mods, LDAP_MOD_ADD, "fqdn", domain); } } if (!(has_objectclass & HAS_POSIXACCOUNT)) { smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", "posixAccount"); smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name); smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", IPA_MAGIC_ID_STR); smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", "12345"); smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", "/dev/null"); } if (mods != NULL) { ret = smbldap_modify(ldap_state->smbldap_state, dn, mods); ldap_mods_free(mods, 1); if (ret != LDAP_SUCCESS) { DEBUG(1, ("failed to modify/add user with uid = %s (dn = %s)\n", name, dn)); return NT_STATUS_LDAP(ret); } } return NT_STATUS_OK; } static NTSTATUS pdb_ipasam_add_sam_account(struct pdb_methods *pdb_methods, struct samu *sampass) { NTSTATUS status; struct ldapsam_privates *ldap_state; const char *name; char *dn; uint32_t has_objectclass; uint32_t rid; struct dom_sid user_sid; ldap_state = (struct ldapsam_privates *)(pdb_methods->private_data); if (IS_SAM_SET(sampass, PDB_USERSID) || IS_SAM_CHANGED(sampass, PDB_USERSID)) { if (!pdb_new_rid(&rid)) { return NT_STATUS_DS_NO_MORE_RIDS; } sid_compose(&user_sid, get_global_sam_sid(), rid); if (!pdb_set_user_sid(sampass, &user_sid, PDB_SET)) { return NT_STATUS_UNSUCCESSFUL; } } status = ldap_state->ipasam_privates->ldapsam_add_sam_account(pdb_methods, sampass); if (!NT_STATUS_IS_OK(status)) { return status; } if (ldap_state->ipasam_privates->server_is_ipa) { name = pdb_get_username(sampass); if (name == NULL || *name == '\0') { return NT_STATUS_INVALID_PARAMETER; } status = find_user(ldap_state, name, &dn, &has_objectclass); if (!NT_STATUS_IS_OK(status)) { return status; } status = ipasam_add_ipa_objectclasses(ldap_state, dn, name, pdb_get_domain(sampass), pdb_get_acct_ctrl(sampass), has_objectclass); if (!NT_STATUS_IS_OK(status)) { return status; } if (!(has_objectclass & HAS_POSIXACCOUNT)) { status = ipasam_add_posix_account_objectclass(ldap_state, LDAP_MOD_REPLACE, dn, name); if (!NT_STATUS_IS_OK(status)) { return status; } } if (pdb_get_init_flags(sampass, PDB_PLAINTEXT_PW) == PDB_CHANGED) { status = modify_ipa_password_exop(ldap_state, sampass); if (!NT_STATUS_IS_OK(status)) { return status; } } } return NT_STATUS_OK; } static NTSTATUS pdb_ipasam_update_sam_account(struct pdb_methods *pdb_methods, struct samu *sampass) { NTSTATUS status; struct ldapsam_privates *ldap_state; ldap_state = (struct ldapsam_privates *)(pdb_methods->private_data); status = ldap_state->ipasam_privates->ldapsam_update_sam_account(pdb_methods, sampass); if (!NT_STATUS_IS_OK(status)) { return status; } if (ldap_state->ipasam_privates->server_is_ipa) { if (pdb_get_init_flags(sampass, PDB_PLAINTEXT_PW) == PDB_CHANGED) { status = modify_ipa_password_exop(ldap_state, sampass); if (!NT_STATUS_IS_OK(status)) { return status; } } } return NT_STATUS_OK; } static NTSTATUS ipasam_create_dom_group(struct pdb_methods *pdb_methods, TALLOC_CTX *tmp_ctx, const char *name, uint32_t *rid) { NTSTATUS status; struct ldapsam_privates *ldap_state; char *dn; uint32_t has_objectclass = 0; ldap_state = (struct ldapsam_privates *)(pdb_methods->private_data); if (name == NULL || *name == '\0') { return NT_STATUS_INVALID_PARAMETER; } status = find_group(ldap_state, name, &dn, &has_objectclass); if (!NT_STATUS_IS_OK(status) && !NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) { return status; } if (!(has_objectclass & HAS_POSIXGROUP)) { status = ipasam_add_ipa_group_objectclasses(ldap_state, dn, name, has_objectclass); if (!NT_STATUS_IS_OK(status)) { return status; } } status = ldap_state->ipasam_privates->ldapsam_create_dom_group(pdb_methods, tmp_ctx, name, rid); if (!NT_STATUS_IS_OK(status)) { return status; } return NT_STATUS_OK; } static NTSTATUS ipasam_create_user(struct pdb_methods *pdb_methods, TALLOC_CTX *tmp_ctx, const char *name, uint32_t acb_info, uint32_t *rid) { NTSTATUS status; struct ldapsam_privates *ldap_state; int ldap_op = LDAP_MOD_REPLACE; char *dn; uint32_t has_objectclass = 0; ldap_state = (struct ldapsam_privates *)(pdb_methods->private_data); if (name == NULL || *name == '\0') { return NT_STATUS_INVALID_PARAMETER; } status = find_user(ldap_state, name, &dn, &has_objectclass); if (NT_STATUS_IS_OK(status)) { ldap_op = LDAP_MOD_REPLACE; } else if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) { char *escape_username; ldap_op = LDAP_MOD_ADD; escape_username = escape_rdn_val_string_alloc(name); if (!escape_username) { return NT_STATUS_NO_MEMORY; } if (name[strlen(name)-1] == '$') { dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_username, lp_ldap_machine_suffix(talloc_tos())); } else { dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_username, lp_ldap_user_suffix(talloc_tos())); } SAFE_FREE(escape_username); if (!dn) { return NT_STATUS_NO_MEMORY; } } else { return status; } if (!(has_objectclass & HAS_POSIXACCOUNT)) { status = ipasam_add_posix_account_objectclass(ldap_state, ldap_op, dn, name); if (!NT_STATUS_IS_OK(status)) { return status; } has_objectclass |= HAS_POSIXACCOUNT; } status = ldap_state->ipasam_privates->ldapsam_create_user(pdb_methods, tmp_ctx, name, acb_info, rid); if (!NT_STATUS_IS_OK(status)) { return status; } status = ipasam_add_ipa_objectclasses(ldap_state, dn, name, lp_realm(), acb_info, has_objectclass); if (!NT_STATUS_IS_OK(status)) { return status; } return NT_STATUS_OK; } static NTSTATUS pdb_ipa_init_secrets(struct pdb_methods *m) { #if _SAMBA_BUILD_ == 4 struct pdb_domain_info *dom_info; bool ret; dom_info = pdb_ipasam_get_domain_info(m, m); if (!dom_info) { return NT_STATUS_UNSUCCESSFUL; } secrets_clear_domain_protection(dom_info->name); ret = secrets_store_domain_sid(dom_info->name, &dom_info->sid); if (!ret) { goto done; } ret = secrets_store_domain_guid(dom_info->name, &dom_info->guid); if (!ret) { goto done; } ret = secrets_mark_domain_protected(dom_info->name); if (!ret) { goto done; } done: TALLOC_FREE(dom_info); if (!ret) { return NT_STATUS_UNSUCCESSFUL; } #endif return NT_STATUS_OK; } static NTSTATUS pdb_init_IPA_ldapsam(struct pdb_methods **pdb_method, const char *location) { struct ldapsam_privates *ldap_state; NTSTATUS status; status = pdb_init_ldapsam(pdb_method, location); if (!NT_STATUS_IS_OK(status)) { return status; } (*pdb_method)->name = "IPA_ldapsam"; ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data); ldap_state->ipasam_privates = talloc_zero(ldap_state, struct ipasam_privates); if (ldap_state->ipasam_privates == NULL) { return NT_STATUS_NO_MEMORY; } ldap_state->is_ipa_ldap = True; ldap_state->ipasam_privates->server_is_ipa = smbldap_has_extension( priv2ld(ldap_state), IPA_KEYTAB_SET_OID); ldap_state->ipasam_privates->ldapsam_add_sam_account = (*pdb_method)->add_sam_account; ldap_state->ipasam_privates->ldapsam_update_sam_account = (*pdb_method)->update_sam_account; ldap_state->ipasam_privates->ldapsam_create_user = (*pdb_method)->create_user; ldap_state->ipasam_privates->ldapsam_create_dom_group = (*pdb_method)->create_dom_group; (*pdb_method)->add_sam_account = pdb_ipasam_add_sam_account; (*pdb_method)->update_sam_account = pdb_ipasam_update_sam_account; if (lp_parm_bool(-1, "ldapsam", "trusted", False)) { if (lp_parm_bool(-1, "ldapsam", "editposix", False)) { (*pdb_method)->create_user = ipasam_create_user; (*pdb_method)->create_dom_group = ipasam_create_dom_group; } } (*pdb_method)->capabilities = pdb_ipasam_capabilities; (*pdb_method)->get_domain_info = pdb_ipasam_get_domain_info; (*pdb_method)->get_trusteddom_pw = ipasam_get_trusteddom_pw; (*pdb_method)->set_trusteddom_pw = ipasam_set_trusteddom_pw; (*pdb_method)->del_trusteddom_pw = ipasam_del_trusteddom_pw; (*pdb_method)->enum_trusteddoms = ipasam_enum_trusteddoms; (*pdb_method)->get_trusted_domain = ipasam_get_trusted_domain; (*pdb_method)->get_trusted_domain_by_sid = ipasam_get_trusted_domain_by_sid; (*pdb_method)->set_trusted_domain = ipasam_set_trusted_domain; (*pdb_method)->del_trusted_domain = ipasam_del_trusted_domain; (*pdb_method)->enum_trusted_domains = ipasam_enum_trusted_domains; status = pdb_ipa_init_secrets(*pdb_method); if (!NT_STATUS_IS_OK(status)) { DEBUG(10, ("pdb_ipa_init_secrets failed!\n")); return status; } return NT_STATUS_OK; } NTSTATUS pdb_ipa_init(void) { NTSTATUS nt_status; if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "IPA_ldapsam", pdb_init_IPA_ldapsam))) return nt_status; return NT_STATUS_OK; }