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-rw-r--r--source3/libnet/libnet_join.c1427
1 files changed, 1427 insertions, 0 deletions
diff --git a/source3/libnet/libnet_join.c b/source3/libnet/libnet_join.c
new file mode 100644
index 0000000000..737474d807
--- /dev/null
+++ b/source3/libnet/libnet_join.c
@@ -0,0 +1,1427 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * libnet Join Support
+ * Copyright (C) Gerald (Jerry) Carter 2006
+ * Copyright (C) Guenther Deschner 2007-2008
+ *
+ * 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 "includes.h"
+#include "libnet/libnet.h"
+
+/****************************************************************
+****************************************************************/
+
+#define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
+ do { \
+ char *str = NULL; \
+ str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
+ DEBUG(1,("libnet_Join:\n%s", str)); \
+ talloc_free(str); \
+ } while (0)
+
+#define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
+ LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
+#define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
+ LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
+
+#define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
+ do { \
+ char *str = NULL; \
+ str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
+ DEBUG(1,("libnet_Unjoin:\n%s", str)); \
+ talloc_free(str); \
+ } while (0)
+
+#define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
+ LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
+#define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
+ LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
+
+static void init_lsa_String(struct lsa_String *name, const char *s)
+{
+ name->string = s;
+}
+
+/****************************************************************
+****************************************************************/
+
+static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r,
+ const char *format, ...)
+{
+ va_list args;
+
+ if (r->out.error_string) {
+ return;
+ }
+
+ va_start(args, format);
+ r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
+ va_end(args);
+}
+
+/****************************************************************
+****************************************************************/
+
+static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
+ struct libnet_UnjoinCtx *r,
+ const char *format, ...)
+{
+ va_list args;
+
+ if (r->out.error_string) {
+ return;
+ }
+
+ va_start(args, format);
+ r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
+ va_end(args);
+}
+
+#ifdef WITH_ADS
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
+ const char *netbios_domain_name,
+ const char *dc_name,
+ const char *user_name,
+ const char *password,
+ ADS_STRUCT **ads)
+{
+ ADS_STATUS status;
+ ADS_STRUCT *my_ads = NULL;
+
+ my_ads = ads_init(dns_domain_name,
+ netbios_domain_name,
+ dc_name);
+ if (!my_ads) {
+ return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ }
+
+ if (user_name) {
+ SAFE_FREE(my_ads->auth.user_name);
+ my_ads->auth.user_name = SMB_STRDUP(user_name);
+ }
+
+ if (password) {
+ SAFE_FREE(my_ads->auth.password);
+ my_ads->auth.password = SMB_STRDUP(password);
+ }
+
+ status = ads_connect(my_ads);
+ if (!ADS_ERR_OK(status)) {
+ ads_destroy(&my_ads);
+ return status;
+ }
+
+ *ads = my_ads;
+ return ADS_SUCCESS;
+}
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ ADS_STATUS status;
+
+ status = libnet_connect_ads(r->in.domain_name,
+ r->in.domain_name,
+ r->in.dc_name,
+ r->in.admin_account,
+ r->in.admin_password,
+ &r->in.ads);
+ if (!ADS_ERR_OK(status)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "failed to connect to AD: %s",
+ ads_errstr(status));
+ }
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
+ struct libnet_UnjoinCtx *r)
+{
+ ADS_STATUS status;
+
+ status = libnet_connect_ads(r->in.domain_name,
+ r->in.domain_name,
+ r->in.dc_name,
+ r->in.admin_account,
+ r->in.admin_password,
+ &r->in.ads);
+ if (!ADS_ERR_OK(status)) {
+ libnet_unjoin_set_error_string(mem_ctx, r,
+ "failed to connect to AD: %s",
+ ads_errstr(status));
+ }
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ ADS_STATUS status;
+ LDAPMessage *res = NULL;
+ const char *attrs[] = { "dn", NULL };
+
+ status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+
+ if (ads_count_replies(r->in.ads, res) != 1) {
+ ads_msgfree(r->in.ads, res);
+ return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
+ }
+
+ status = ads_create_machine_acct(r->in.ads,
+ r->in.machine_name,
+ r->in.account_ou);
+ ads_msgfree(r->in.ads, res);
+
+ if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
+ (status.err.rc == LDAP_ALREADY_EXISTS)) {
+ status = ADS_SUCCESS;
+ }
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
+ struct libnet_UnjoinCtx *r)
+{
+ ADS_STATUS status;
+
+ if (!r->in.ads) {
+ status = libnet_unjoin_connect_ads(mem_ctx, r);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+ }
+
+ status = ads_leave_realm(r->in.ads, r->in.machine_name);
+ if (!ADS_ERR_OK(status)) {
+ libnet_unjoin_set_error_string(mem_ctx, r,
+ "failed to leave realm: %s",
+ ads_errstr(status));
+ return status;
+ }
+
+ return ADS_SUCCESS;
+}
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ ADS_STATUS status;
+ LDAPMessage *res = NULL;
+ char *dn = NULL;
+
+ if (!r->in.machine_name) {
+ return ADS_ERROR(LDAP_NO_MEMORY);
+ }
+
+ status = ads_find_machine_acct(r->in.ads,
+ &res,
+ r->in.machine_name);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+
+ if (ads_count_replies(r->in.ads, res) != 1) {
+ status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ goto done;
+ }
+
+ dn = ads_get_dn(r->in.ads, res);
+ if (!dn) {
+ status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ goto done;
+ }
+
+ r->out.dn = talloc_strdup(mem_ctx, dn);
+ if (!r->out.dn) {
+ status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ goto done;
+ }
+
+ done:
+ ads_msgfree(r->in.ads, res);
+ ads_memfree(r->in.ads, dn);
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ ADS_STATUS status;
+ ADS_MODLIST mods;
+ fstring my_fqdn;
+ const char *spn_array[3] = {NULL, NULL, NULL};
+ char *spn = NULL;
+
+ if (!r->in.ads) {
+ status = libnet_join_connect_ads(mem_ctx, r);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+ }
+
+ status = libnet_join_find_machine_acct(mem_ctx, r);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+
+ spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
+ if (!spn) {
+ return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ }
+ strupper_m(spn);
+ spn_array[0] = spn;
+
+ if (name_to_fqdn(my_fqdn, r->in.machine_name) &&
+ !strequal(my_fqdn, r->in.machine_name)) {
+
+ strlower_m(my_fqdn);
+ spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
+ if (!spn) {
+ return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ }
+ spn_array[1] = spn;
+ }
+
+ mods = ads_init_mods(mem_ctx);
+ if (!mods) {
+ return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ }
+
+ status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
+ if (!ADS_ERR_OK(status)) {
+ return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ }
+
+ status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
+ spn_array);
+ if (!ADS_ERR_OK(status)) {
+ return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ }
+
+ return ads_gen_mod(r->in.ads, r->out.dn, mods);
+}
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ ADS_STATUS status;
+ ADS_MODLIST mods;
+
+ if (!r->in.create_upn) {
+ return ADS_SUCCESS;
+ }
+
+ if (!r->in.ads) {
+ status = libnet_join_connect_ads(mem_ctx, r);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+ }
+
+ status = libnet_join_find_machine_acct(mem_ctx, r);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+
+ if (!r->in.upn) {
+ r->in.upn = talloc_asprintf(mem_ctx,
+ "host/%s@%s",
+ r->in.machine_name,
+ r->out.dns_domain_name);
+ if (!r->in.upn) {
+ return ADS_ERROR(LDAP_NO_MEMORY);
+ }
+ }
+
+ mods = ads_init_mods(mem_ctx);
+ if (!mods) {
+ return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ }
+
+ status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
+ if (!ADS_ERR_OK(status)) {
+ return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+ }
+
+ return ads_gen_mod(r->in.ads, r->out.dn, mods);
+}
+
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ ADS_STATUS status;
+ ADS_MODLIST mods;
+ char *os_sp = NULL;
+
+ if (!r->in.os_name || !r->in.os_version ) {
+ return ADS_SUCCESS;
+ }
+
+ if (!r->in.ads) {
+ status = libnet_join_connect_ads(mem_ctx, r);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+ }
+
+ status = libnet_join_find_machine_acct(mem_ctx, r);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+
+ mods = ads_init_mods(mem_ctx);
+ if (!mods) {
+ return ADS_ERROR(LDAP_NO_MEMORY);
+ }
+
+ os_sp = talloc_asprintf(mem_ctx, "Samba %s", SAMBA_VERSION_STRING);
+ if (!os_sp) {
+ return ADS_ERROR(LDAP_NO_MEMORY);
+ }
+
+ status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
+ r->in.os_name);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+
+ status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
+ r->in.os_version);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+
+ status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
+ os_sp);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+
+ return ads_gen_mod(r->in.ads, r->out.dn, mods);
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ if (!lp_use_kerberos_keytab()) {
+ return true;
+ }
+
+ if (!ads_keytab_create_default(r->in.ads)) {
+ return false;
+ }
+
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ uint32_t domain_func;
+ ADS_STATUS status;
+ const char *salt = NULL;
+ char *std_salt = NULL;
+
+ status = ads_domain_func_level(r->in.ads, &domain_func);
+ if (!ADS_ERR_OK(status)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "failed to determine domain functional level: %s",
+ ads_errstr(status));
+ return false;
+ }
+
+ std_salt = kerberos_standard_des_salt();
+ if (!std_salt) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "failed to obtain standard DES salt");
+ return false;
+ }
+
+ salt = talloc_strdup(mem_ctx, std_salt);
+ if (!salt) {
+ return false;
+ }
+
+ SAFE_FREE(std_salt);
+
+ if (domain_func == DS_DOMAIN_FUNCTION_2000) {
+ char *upn;
+
+ upn = ads_get_upn(r->in.ads, mem_ctx,
+ r->in.machine_name);
+ if (upn) {
+ salt = talloc_strdup(mem_ctx, upn);
+ if (!salt) {
+ return false;
+ }
+ }
+ }
+
+ return kerberos_secrets_store_des_salt(salt);
+}
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ ADS_STATUS status;
+
+ status = libnet_join_set_machine_spn(mem_ctx, r);
+ if (!ADS_ERR_OK(status)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "failed to set machine spn: %s",
+ ads_errstr(status));
+ return status;
+ }
+
+ status = libnet_join_set_os_attributes(mem_ctx, r);
+ if (!ADS_ERR_OK(status)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "failed to set machine os attributes: %s",
+ ads_errstr(status));
+ return status;
+ }
+
+ status = libnet_join_set_machine_upn(mem_ctx, r);
+ if (!ADS_ERR_OK(status)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "failed to set machine upn: %s",
+ ads_errstr(status));
+ return status;
+ }
+
+ if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
+ return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
+ }
+
+ if (!libnet_join_create_keytab(mem_ctx, r)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "failed to create kerberos keytab");
+ return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
+ }
+
+ return ADS_SUCCESS;
+}
+#endif /* WITH_ADS */
+
+/****************************************************************
+****************************************************************/
+
+static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ if (!secrets_store_domain_sid(r->out.netbios_domain_name,
+ r->out.domain_sid))
+ {
+ return false;
+ }
+
+ if (!secrets_store_machine_password(r->in.machine_password,
+ r->out.netbios_domain_name,
+ SEC_CHAN_WKSTA))
+ {
+ return false;
+ }
+
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ struct cli_state *cli = NULL;
+ struct rpc_pipe_client *pipe_hnd = NULL;
+ POLICY_HND sam_pol, domain_pol, user_pol, lsa_pol;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ char *acct_name;
+ const char *const_acct_name;
+ struct lsa_String lsa_acct_name;
+ uint32 user_rid;
+ uint32 num_rids, *name_types, *user_rids;
+ uint32 flags = 0x3e8;
+ uint32 acb_info = ACB_WSTRUST;
+ uint32 fields_present;
+ uchar pwbuf[532];
+ SAM_USERINFO_CTR ctr;
+ SAM_USER_INFO_25 p25;
+ const int infolevel = 25;
+ struct MD5Context md5ctx;
+ uchar md5buffer[16];
+ DATA_BLOB digested_session_key;
+ uchar md4_trust_password[16];
+
+ if (!r->in.machine_password) {
+ r->in.machine_password = talloc_strdup(mem_ctx, generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH));
+ NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
+ }
+
+ status = cli_full_connection(&cli, NULL,
+ r->in.dc_name,
+ NULL, 0,
+ "IPC$", "IPC",
+ r->in.admin_account,
+ NULL,
+ r->in.admin_password,
+ 0,
+ Undefined, NULL);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
+ if (!pipe_hnd) {
+ goto done;
+ }
+
+ status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, True,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ status = rpccli_lsa_query_info_policy2(pipe_hnd, mem_ctx, &lsa_pol,
+ 12,
+ &r->out.netbios_domain_name,
+ &r->out.dns_domain_name,
+ NULL,
+ NULL,
+ &r->out.domain_sid);
+
+ if (NT_STATUS_IS_OK(status)) {
+ r->out.domain_is_ad = true;
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ status = rpccli_lsa_query_info_policy(pipe_hnd, mem_ctx, &lsa_pol,
+ 5,
+ &r->out.netbios_domain_name,
+ &r->out.domain_sid);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+ }
+
+ rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
+ cli_rpc_pipe_close(pipe_hnd);
+
+ pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
+ if (!pipe_hnd) {
+ goto done;
+ }
+
+ status = rpccli_samr_connect(pipe_hnd, mem_ctx,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, &sam_pol);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
+ &sam_pol,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ r->out.domain_sid,
+ &domain_pol);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
+ strlower_m(acct_name);
+ const_acct_name = acct_name;
+
+ init_lsa_String(&lsa_acct_name, acct_name);
+
+ if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
+ uint32_t acct_flags =
+ SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
+ SEC_STD_WRITE_DAC | SEC_STD_DELETE |
+ SAMR_USER_ACCESS_SET_PASSWORD |
+ SAMR_USER_ACCESS_GET_ATTRIBUTES |
+ SAMR_USER_ACCESS_SET_ATTRIBUTES;
+ uint32_t access_granted = 0;
+
+ status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
+ &domain_pol,
+ &lsa_acct_name,
+ ACB_WSTRUST,
+ acct_flags,
+ &user_pol,
+ &access_granted,
+ &user_rid);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
+ if (!(r->in.join_flags &
+ WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
+ goto done;
+ }
+ }
+
+ if (NT_STATUS_IS_OK(status)) {
+ rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
+ }
+ }
+
+ status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
+ &domain_pol, flags, 1,
+ &const_acct_name,
+ &num_rids, &user_rids, &name_types);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ if (name_types[0] != SID_NAME_USER) {
+ status = NT_STATUS_INVALID_WORKSTATION;
+ goto done;
+ }
+
+ user_rid = user_rids[0];
+
+ status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
+ &domain_pol,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ user_rid,
+ &user_pol);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ E_md4hash(r->in.machine_password, md4_trust_password);
+ encode_pw_buffer(pwbuf, r->in.machine_password, STR_UNICODE);
+
+ generate_random_buffer((uint8*)md5buffer, sizeof(md5buffer));
+ digested_session_key = data_blob_talloc(mem_ctx, 0, 16);
+
+ MD5Init(&md5ctx);
+ MD5Update(&md5ctx, md5buffer, sizeof(md5buffer));
+ MD5Update(&md5ctx, cli->user_session_key.data,
+ cli->user_session_key.length);
+ MD5Final(digested_session_key.data, &md5ctx);
+
+ SamOEMhashBlob(pwbuf, sizeof(pwbuf), &digested_session_key);
+ memcpy(&pwbuf[516], md5buffer, sizeof(md5buffer));
+
+ acb_info |= ACB_PWNOEXP;
+ if (r->out.domain_is_ad) {
+#if !defined(ENCTYPE_ARCFOUR_HMAC)
+ acb_info |= ACB_USE_DES_KEY_ONLY;
+#endif
+ ;;
+ }
+
+ ZERO_STRUCT(ctr);
+ ZERO_STRUCT(p25);
+
+ fields_present = ACCT_NT_PWD_SET | ACCT_LM_PWD_SET | ACCT_FLAGS;
+ init_sam_user_info25P(&p25, fields_present, acb_info, (char *)pwbuf);
+
+ ctr.switch_value = infolevel;
+ ctr.info.id25 = &p25;
+
+ status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol,
+ infolevel, &cli->user_session_key,
+ &ctr);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
+ cli_rpc_pipe_close(pipe_hnd);
+
+ status = NT_STATUS_OK;
+ done:
+ if (cli) {
+ cli_shutdown(cli);
+ }
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
+ struct libnet_UnjoinCtx *r)
+{
+ if (!secrets_delete_machine_password_ex(lp_workgroup())) {
+ return false;
+ }
+
+ if (!secrets_delete_domain_sid(lp_workgroup())) {
+ return false;
+ }
+
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
+ struct libnet_UnjoinCtx *r)
+{
+ struct cli_state *cli = NULL;
+ struct rpc_pipe_client *pipe_hnd = NULL;
+ POLICY_HND sam_pol, domain_pol, user_pol;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ char *acct_name;
+ uint32 flags = 0x3e8;
+ const char *const_acct_name;
+ uint32 user_rid;
+ uint32 num_rids, *name_types, *user_rids;
+ SAM_USERINFO_CTR ctr, *qctr = NULL;
+ SAM_USER_INFO_16 p16;
+
+ status = cli_full_connection(&cli, NULL,
+ r->in.dc_name,
+ NULL, 0,
+ "IPC$", "IPC",
+ r->in.admin_account,
+ NULL,
+ r->in.admin_password,
+ 0, Undefined, NULL);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
+ if (!pipe_hnd) {
+ goto done;
+ }
+
+ status = rpccli_samr_connect(pipe_hnd, mem_ctx,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, &sam_pol);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
+ &sam_pol,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ r->in.domain_sid,
+ &domain_pol);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
+ strlower_m(acct_name);
+ const_acct_name = acct_name;
+
+ status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
+ &domain_pol, flags, 1,
+ &const_acct_name,
+ &num_rids, &user_rids, &name_types);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ if (name_types[0] != SID_NAME_USER) {
+ status = NT_STATUS_INVALID_WORKSTATION;
+ goto done;
+ }
+
+ user_rid = user_rids[0];
+
+ status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
+ &domain_pol,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ user_rid,
+ &user_pol);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ status = rpccli_samr_query_userinfo(pipe_hnd, mem_ctx,
+ &user_pol, 16, &qctr);
+ if (!NT_STATUS_IS_OK(status)) {
+ rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
+ goto done;
+ }
+
+ ZERO_STRUCT(ctr);
+ ctr.switch_value = 16;
+ ctr.info.id16 = &p16;
+
+ p16.acb_info = qctr->info.id16->acb_info | ACB_DISABLED;
+
+ status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol, 16,
+ &cli->user_session_key, &ctr);
+
+ rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
+
+done:
+ if (pipe_hnd) {
+ rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
+ rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
+ cli_rpc_pipe_close(pipe_hnd);
+ }
+
+ if (cli) {
+ cli_shutdown(cli);
+ }
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
+{
+ WERROR werr;
+ struct libnet_conf_ctx *ctx;
+
+ werr = libnet_conf_open(r, &ctx);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
+
+ werr = libnet_conf_set_global_parameter(ctx, "security", "user");
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ werr = libnet_conf_set_global_parameter(ctx, "workgroup",
+ r->in.domain_name);
+ goto done;
+ }
+
+ werr = libnet_conf_set_global_parameter(ctx, "security", "domain");
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ werr = libnet_conf_set_global_parameter(ctx, "workgroup",
+ r->out.netbios_domain_name);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ if (r->out.domain_is_ad) {
+ werr = libnet_conf_set_global_parameter(ctx, "security", "ads");
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ werr = libnet_conf_set_global_parameter(ctx, "realm",
+ r->out.dns_domain_name);
+ }
+
+done:
+ libnet_conf_close(ctx);
+ return werr;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
+{
+ WERROR werr = WERR_OK;
+ struct libnet_conf_ctx *ctx;
+
+ werr = libnet_conf_open(r, &ctx);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
+
+ werr = libnet_conf_set_global_parameter(ctx, "security", "user");
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+ }
+
+ libnet_conf_delete_global_parameter(ctx, "realm");
+
+done:
+ libnet_conf_close(ctx);
+ return werr;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
+{
+ WERROR werr;
+
+ if (!W_ERROR_IS_OK(r->out.result)) {
+ return r->out.result;
+ }
+
+ if (!r->in.modify_config) {
+ return WERR_OK;
+ }
+
+ werr = do_join_modify_vals_config(r);
+ if (!W_ERROR_IS_OK(werr)) {
+ return werr;
+ }
+
+ r->out.modified_config = true;
+ r->out.result = werr;
+
+ return werr;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR do_UnjoinConfig(struct libnet_UnjoinCtx *r)
+{
+ WERROR werr;
+
+ if (!W_ERROR_IS_OK(r->out.result)) {
+ return r->out.result;
+ }
+
+ if (!r->in.modify_config) {
+ return WERR_OK;
+ }
+
+ werr = do_unjoin_modify_vals_config(r);
+ if (!W_ERROR_IS_OK(werr)) {
+ return werr;
+ }
+
+ r->out.modified_config = true;
+ r->out.result = werr;
+
+ return werr;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+
+ if (!r->in.domain_name) {
+ return WERR_INVALID_PARAM;
+ }
+
+ if (r->in.modify_config && !lp_config_backend_is_registry()) {
+ return WERR_NOT_SUPPORTED;
+ }
+
+ if (IS_DC) {
+ return WERR_SETUP_DOMAIN_CONTROLLER;
+ }
+
+ if (!secrets_init()) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "Unable to open secrets database");
+ return WERR_CAN_NOT_COMPLETE;
+ }
+
+ return WERR_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ WERROR werr;
+
+ if (!W_ERROR_IS_OK(r->out.result)) {
+ return r->out.result;
+ }
+
+ werr = do_JoinConfig(r);
+ if (!W_ERROR_IS_OK(werr)) {
+ return werr;
+ }
+
+ if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
+ saf_store(r->in.domain_name, r->in.dc_name);
+ }
+
+ return WERR_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
+{
+ if (r->in.ads) {
+ ads_destroy(&r->in.ads);
+ }
+
+ return 0;
+}
+
+/****************************************************************
+****************************************************************/
+
+static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
+{
+ if (r->in.ads) {
+ ads_destroy(&r->in.ads);
+ }
+
+ return 0;
+}
+
+/****************************************************************
+****************************************************************/
+
+WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx **r)
+{
+ struct libnet_JoinCtx *ctx;
+
+ ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
+ if (!ctx) {
+ return WERR_NOMEM;
+ }
+
+ talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
+
+ ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
+ W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
+
+ *r = ctx;
+
+ return WERR_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
+ struct libnet_UnjoinCtx **r)
+{
+ struct libnet_UnjoinCtx *ctx;
+
+ ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
+ if (!ctx) {
+ return WERR_NOMEM;
+ }
+
+ talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
+
+ ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
+ W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
+
+ *r = ctx;
+
+ return WERR_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ NTSTATUS status;
+#ifdef WITH_ADS
+ ADS_STATUS ads_status;
+#endif /* WITH_ADS */
+
+ if (!r->in.dc_name) {
+ struct DS_DOMAIN_CONTROLLER_INFO *info;
+ status = dsgetdcname(mem_ctx,
+ r->in.domain_name,
+ NULL,
+ NULL,
+ DS_DIRECTORY_SERVICE_REQUIRED |
+ DS_WRITABLE_REQUIRED |
+ DS_RETURN_DNS_NAME,
+ &info);
+ if (!NT_STATUS_IS_OK(status)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "failed to find DC for domain %s",
+ r->in.domain_name,
+ get_friendly_nt_error_msg(status));
+ return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
+ }
+
+ r->in.dc_name = talloc_strdup(mem_ctx,
+ info->domain_controller_name);
+ W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
+ }
+
+#ifdef WITH_ADS
+ if (r->in.account_ou) {
+
+ ads_status = libnet_join_connect_ads(mem_ctx, r);
+ if (!ADS_ERR_OK(ads_status)) {
+ return WERR_DEFAULT_JOIN_REQUIRED;
+ }
+
+ ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
+ if (!ADS_ERR_OK(ads_status)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "failed to precreate account in ou %s: %s",
+ r->in.account_ou,
+ ads_errstr(ads_status));
+ return WERR_DEFAULT_JOIN_REQUIRED;
+ }
+
+ r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
+ }
+#endif /* WITH_ADS */
+
+ status = libnet_join_joindomain_rpc(mem_ctx, r);
+ if (!NT_STATUS_IS_OK(status)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "failed to join domain over rpc: %s",
+ get_friendly_nt_error_msg(status));
+ if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
+ return WERR_SETUP_ALREADY_JOINED;
+ }
+ return ntstatus_to_werror(status);
+ }
+
+ if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
+ return WERR_SETUP_NOT_JOINED;
+ }
+
+#ifdef WITH_ADS
+ if (r->out.domain_is_ad) {
+ ads_status = libnet_join_post_processing_ads(mem_ctx, r);
+ if (!ADS_ERR_OK(ads_status)) {
+ return WERR_GENERAL_FAILURE;
+ }
+ }
+#endif /* WITH_ADS */
+
+ return WERR_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+WERROR libnet_Join(TALLOC_CTX *mem_ctx,
+ struct libnet_JoinCtx *r)
+{
+ WERROR werr;
+
+ if (r->in.debug) {
+ LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
+ }
+
+ werr = libnet_join_pre_processing(mem_ctx, r);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
+ werr = libnet_DomainJoin(mem_ctx, r);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+ }
+
+ werr = libnet_join_post_processing(mem_ctx, r);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+ done:
+ r->out.result = werr;
+
+ if (r->in.debug) {
+ LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
+ }
+ return werr;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
+ struct libnet_UnjoinCtx *r)
+{
+ NTSTATUS status;
+
+ if (!r->in.domain_sid) {
+ struct dom_sid sid;
+ if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
+ libnet_unjoin_set_error_string(mem_ctx, r,
+ "Unable to fetch domain sid: are we joined?");
+ return WERR_SETUP_NOT_JOINED;
+ }
+ r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
+ W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
+ }
+
+ if (!r->in.dc_name) {
+ struct DS_DOMAIN_CONTROLLER_INFO *info;
+ status = dsgetdcname(mem_ctx,
+ r->in.domain_name,
+ NULL,
+ NULL,
+ DS_DIRECTORY_SERVICE_REQUIRED |
+ DS_WRITABLE_REQUIRED |
+ DS_RETURN_DNS_NAME,
+ &info);
+ if (!NT_STATUS_IS_OK(status)) {
+ libnet_unjoin_set_error_string(mem_ctx, r,
+ "failed to find DC for domain %s",
+ r->in.domain_name,
+ get_friendly_nt_error_msg(status));
+ return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
+ }
+
+ r->in.dc_name = talloc_strdup(mem_ctx,
+ info->domain_controller_name);
+ W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
+ }
+
+ status = libnet_join_unjoindomain_rpc(mem_ctx, r);
+ if (!NT_STATUS_IS_OK(status)) {
+ libnet_unjoin_set_error_string(mem_ctx, r,
+ "failed to disable machine account via rpc: %s",
+ get_friendly_nt_error_msg(status));
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
+ return WERR_SETUP_NOT_JOINED;
+ }
+ return ntstatus_to_werror(status);
+ }
+
+#ifdef WITH_ADS
+ if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
+ ADS_STATUS ads_status;
+ libnet_unjoin_connect_ads(mem_ctx, r);
+ ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
+ if (!ADS_ERR_OK(ads_status)) {
+ libnet_unjoin_set_error_string(mem_ctx, r,
+ "failed to remove machine account from AD: %s",
+ ads_errstr(ads_status));
+ }
+ }
+#endif /* WITH_ADS */
+
+ libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
+
+ return WERR_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
+ struct libnet_UnjoinCtx *r)
+{
+ if (r->in.modify_config && !lp_config_backend_is_registry()) {
+ return WERR_NOT_SUPPORTED;
+ }
+
+ if (!secrets_init()) {
+ libnet_unjoin_set_error_string(mem_ctx, r,
+ "Unable to open secrets database");
+ return WERR_CAN_NOT_COMPLETE;
+ }
+
+ return WERR_OK;
+}
+
+
+/****************************************************************
+****************************************************************/
+
+WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
+ struct libnet_UnjoinCtx *r)
+{
+ WERROR werr;
+
+ if (r->in.debug) {
+ LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
+ }
+
+ werr = libnet_unjoin_pre_processing(mem_ctx, r);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
+ werr = libnet_DomainUnjoin(mem_ctx, r);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+ }
+
+ werr = do_UnjoinConfig(r);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ done:
+ r->out.result = werr;
+
+ if (r->in.debug) {
+ LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
+ }
+
+ return werr;
+}