s3:libnet_join: use DS_FORCE_REDISCOVERY
[kai/samba.git] / source3 / libnet / libnet_join.c
index ab8af0be6bec6d1a3b75be613d3e04ef2257d54a..691f6ff8ebb7038d57b8373e6d49385c8c687a51 100644 (file)
@@ -762,7 +762,6 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
        struct lsa_String lsa_acct_name;
        uint32_t user_rid;
        uint32_t acct_flags = ACB_WSTRUST;
-       uchar md4_trust_password[16];
        struct samr_Ids user_rids;
        struct samr_Ids name_types;
        union samr_UserInfo user_info;
@@ -775,7 +774,7 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
        ZERO_STRUCT(user_pol);
 
        if (!r->in.machine_password) {
-               r->in.machine_password = talloc_strdup(mem_ctx, generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH));
+               r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
                NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
        }
 
@@ -898,14 +897,6 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
                goto done;
        }
 
-       /* Create a random machine account password and generate the hash */
-
-       E_md4hash(r->in.machine_password, md4_trust_password);
-
-       init_samr_CryptPasswordEx(r->in.machine_password,
-                                 &cli->user_session_key,
-                                 &crypt_pwd_ex);
-
        /* Fill in the additional account flags now */
 
        acct_flags |= ACB_PWNOEXP;
@@ -916,23 +907,40 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
                ;;
        }
 
-       /* Set password and account flags on machine account */
-
-       ZERO_STRUCT(user_info.info25);
-
-       user_info.info25.info.fields_present = ACCT_NT_PWD_SET |
-                                              ACCT_LM_PWD_SET |
-                                              SAMR_FIELD_ACCT_FLAGS;
-
-       user_info.info25.info.acct_flags = acct_flags;
-       memcpy(&user_info.info25.password.data, crypt_pwd_ex.data,
-              sizeof(crypt_pwd_ex.data));
+       /* Set account flags on machine account */
+       ZERO_STRUCT(user_info.info16);
+       user_info.info16.acct_flags = acct_flags;
 
        status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,
                                         &user_pol,
-                                        25,
+                                        16,
                                         &user_info);
 
+       if (!NT_STATUS_IS_OK(status)) {
+
+               rpccli_samr_DeleteUser(pipe_hnd, mem_ctx,
+                                      &user_pol);
+
+               libnet_join_set_error_string(mem_ctx, r,
+                       "Failed to set account flags for machine account (%s)\n",
+                       nt_errstr(status));
+               goto done;
+       }
+
+       /* Set password on machine account - first try level 26 */
+
+       init_samr_CryptPasswordEx(r->in.machine_password,
+                                 &cli->user_session_key,
+                                 &crypt_pwd_ex);
+
+       init_samr_user_info26(&user_info.info26, &crypt_pwd_ex,
+                             PASS_DONT_CHANGE_AT_NEXT_LOGON);
+
+       status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
+                                         &user_pol,
+                                         26,
+                                         &user_info);
+
        if (NT_STATUS_EQUAL(status, NT_STATUS(DCERPC_FAULT_INVALID_TAG))) {
 
                /* retry with level 24 */
@@ -941,7 +949,8 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
                                        &cli->user_session_key,
                                        &crypt_pwd);
 
-               init_samr_user_info24(&user_info.info24, crypt_pwd.data, 24);
+               init_samr_user_info24(&user_info.info24, &crypt_pwd,
+                                     PASS_DONT_CHANGE_AT_NEXT_LOGON);
 
                status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
                                                  &user_pol,
@@ -1512,7 +1521,10 @@ static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
                return WERR_OK;
        }
 
-       saf_store(r->in.domain_name, r->in.dc_name);
+       saf_join_store(r->out.netbios_domain_name, r->in.dc_name);
+       if (r->out.dns_domain_name) {
+               saf_join_store(r->out.dns_domain_name, r->in.dc_name);
+       }
 
 #ifdef WITH_ADS
        if (r->out.domain_is_ad) {
@@ -1638,24 +1650,31 @@ WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
 static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
                                       struct libnet_JoinCtx *r)
 {
+       bool valid_security = false;
+       bool valid_workgroup = false;
+       bool valid_realm = false;
+
        /* check if configuration is already set correctly */
 
+       valid_workgroup = strequal(lp_workgroup(), r->out.netbios_domain_name);
+
        switch (r->out.domain_is_ad) {
                case false:
-                       if ((strequal(lp_workgroup(),
-                                     r->out.netbios_domain_name)) &&
-                           (lp_security() == SEC_DOMAIN)) {
+                       valid_security = (lp_security() == SEC_DOMAIN);
+                       if (valid_workgroup && valid_security) {
                                /* nothing to be done */
                                return WERR_OK;
                        }
                        break;
                case true:
-                       if ((strequal(lp_workgroup(),
-                                     r->out.netbios_domain_name)) &&
-                           (strequal(lp_realm(),
-                                     r->out.dns_domain_name)) &&
-                           ((lp_security() == SEC_ADS) ||
-                            (lp_security() == SEC_DOMAIN))) {
+                       valid_realm = strequal(lp_realm(), r->out.dns_domain_name);
+                       switch (lp_security()) {
+                       case SEC_DOMAIN:
+                       case SEC_ADS:
+                               valid_security = true;
+                       }
+
+                       if (valid_workgroup && valid_realm && valid_security) {
                                /* nothing to be done */
                                return WERR_OK;
                        }
@@ -1665,9 +1684,41 @@ static WERROR libnet_join_check_config(TALLOC_CTX *mem_ctx,
        /* check if we are supposed to manipulate configuration */
 
        if (!r->in.modify_config) {
+
+               char *wrong_conf = talloc_strdup(mem_ctx, "");
+
+               if (!valid_workgroup) {
+                       wrong_conf = talloc_asprintf_append(wrong_conf,
+                               "\"workgroup\" set to '%s', should be '%s'",
+                               lp_workgroup(), r->out.netbios_domain_name);
+                       W_ERROR_HAVE_NO_MEMORY(wrong_conf);
+               }
+
+               if (!valid_realm) {
+                       wrong_conf = talloc_asprintf_append(wrong_conf,
+                               "\"realm\" set to '%s', should be '%s'",
+                               lp_realm(), r->out.dns_domain_name);
+                       W_ERROR_HAVE_NO_MEMORY(wrong_conf);
+               }
+
+               if (!valid_security) {
+                       const char *sec = NULL;
+                       switch (lp_security()) {
+                       case SEC_SHARE: sec = "share"; break;
+                       case SEC_USER:  sec = "user"; break;
+                       case SEC_DOMAIN: sec = "domain"; break;
+                       case SEC_ADS: sec = "ads"; break;
+                       }
+                       wrong_conf = talloc_asprintf_append(wrong_conf,
+                               "\"security\" set to '%s', should be %s",
+                               sec, r->out.domain_is_ad ?
+                               "either 'domain' or 'ads'" : "'domain'");
+                       W_ERROR_HAVE_NO_MEMORY(wrong_conf);
+               }
+
                libnet_join_set_error_string(mem_ctx, r,
-                       "Invalid configuration and configuration modification "
-                       "was not requested");
+                       "Invalid configuration (%s) and configuration modification "
+                       "was not requested", wrong_conf);
                return WERR_CAN_NOT_COMPLETE;
        }
 
@@ -1704,6 +1755,7 @@ static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
                                     r->in.domain_name,
                                     NULL,
                                     NULL,
+                                    DS_FORCE_REDISCOVERY |
                                     DS_DIRECTORY_SERVICE_REQUIRED |
                                     DS_WRITABLE_REQUIRED |
                                     DS_RETURN_DNS_NAME,