s3-secrets: only include secrets.h when needed.
[nivanova/samba-autobuild/.git] / source3 / libnet / libnet_join.c
index fb8bc1948fdc7c61d4192212141d74bee0abee56..bff4e1ebc5fb75e892b4155113093cdb120f2803 100644 (file)
  */
 
 #include "includes.h"
-#include "libnet/libnet.h"
+#include "ads.h"
+#include "librpc/gen_ndr/ndr_libnet_join.h"
+#include "libnet/libnet_join.h"
+#include "libcli/auth/libcli_auth.h"
+#include "../librpc/gen_ndr/cli_samr.h"
+#include "rpc_client/init_samr.h"
+#include "../librpc/gen_ndr/cli_lsa.h"
+#include "rpc_client/cli_lsarpc.h"
+#include "../librpc/gen_ndr/cli_netlogon.h"
+#include "rpc_client/cli_netlogon.h"
+#include "lib/smbconf/smbconf.h"
+#include "lib/smbconf/smbconf_reg.h"
+#include "../libds/common/flags.h"
+#include "secrets.h"
 
 /****************************************************************
 ****************************************************************/
 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
        LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
 
-#define W_ERROR_NOT_OK_GOTO_DONE(x) do { \
-       if (!W_ERROR_IS_OK(x)) {\
-               goto done;\
-       }\
-} while (0)
-
 /****************************************************************
 ****************************************************************/
 
@@ -269,7 +276,13 @@ static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
        ADS_STATUS status;
 
        if (!r->in.ads) {
-               return libnet_unjoin_connect_ads(mem_ctx, r);
+               status = libnet_unjoin_connect_ads(mem_ctx, r);
+               if (!ADS_ERR_OK(status)) {
+                       libnet_unjoin_set_error_string(mem_ctx, r,
+                               "failed to connect to AD: %s",
+                               ads_errstr(status));
+                       return status;
+               }
        }
 
        status = ads_leave_realm(r->in.ads, r->in.machine_name);
@@ -309,7 +322,7 @@ static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
                goto done;
        }
 
-       dn = ads_get_dn(r->in.ads, res);
+       dn = ads_get_dn(r->in.ads, mem_ctx, res);
        if (!dn) {
                status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
                goto done;
@@ -323,7 +336,7 @@ static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
 
  done:
        ads_msgfree(r->in.ads, res);
-       ads_memfree(r->in.ads, dn);
+       TALLOC_FREE(dn);
 
        return status;
 }
@@ -470,7 +483,7 @@ static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
                return ADS_ERROR(LDAP_NO_MEMORY);
        }
 
-       os_sp = talloc_asprintf(mem_ctx, "Samba %s", SAMBA_VERSION_STRING);
+       os_sp = talloc_asprintf(mem_ctx, "Samba %s", samba_version_string());
        if (!os_sp) {
                return ADS_ERROR(LDAP_NO_MEMORY);
        }
@@ -504,7 +517,7 @@ static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
                                      struct libnet_JoinCtx *r)
 {
-       if (!lp_use_kerberos_keytab()) {
+       if (!USE_SYSTEM_KEYTAB) {
                return true;
        }
 
@@ -686,7 +699,7 @@ static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
                                          struct cli_state **cli)
 {
        struct rpc_pipe_client *pipe_hnd = NULL;
-       POLICY_HND lsa_pol;
+       struct policy_handle lsa_pol;
        NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
        union lsa_PolicyInformation *info = NULL;
 
@@ -708,7 +721,7 @@ static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
        }
 
        status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, true,
-                                       SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
+                                       SEC_FLAG_MAXIMUM_ALLOWED, &lsa_pol);
        if (!NT_STATUS_IS_OK(status)) {
                goto done;
        }
@@ -747,6 +760,56 @@ static NTSTATUS libnet_join_lookup_dc_rpc(TALLOC_CTX *mem_ctx,
        return status;
 }
 
+/****************************************************************
+ Do the domain join unsecure
+****************************************************************/
+
+static NTSTATUS libnet_join_joindomain_rpc_unsecure(TALLOC_CTX *mem_ctx,
+                                                   struct libnet_JoinCtx *r,
+                                                   struct cli_state *cli)
+{
+       struct rpc_pipe_client *pipe_hnd = NULL;
+       unsigned char orig_trust_passwd_hash[16];
+       unsigned char new_trust_passwd_hash[16];
+       fstring trust_passwd;
+       NTSTATUS status;
+
+       status = cli_rpc_pipe_open_noauth(cli, &ndr_table_netlogon.syntax_id,
+                                         &pipe_hnd);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+
+       if (!r->in.machine_password) {
+               r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
+               NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
+       }
+
+       E_md4hash(r->in.machine_password, new_trust_passwd_hash);
+
+       /* according to WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED */
+       fstrcpy(trust_passwd, r->in.admin_password);
+       strlower_m(trust_passwd);
+
+       /*
+        * Machine names can be 15 characters, but the max length on
+        * a password is 14.  --jerry
+        */
+
+       trust_passwd[14] = '\0';
+
+       E_md4hash(trust_passwd, orig_trust_passwd_hash);
+
+       status = rpccli_netlogon_set_trust_password(pipe_hnd, mem_ctx,
+                                                   r->in.machine_name,
+                                                   orig_trust_passwd_hash,
+                                                   r->in.machine_password,
+                                                   new_trust_passwd_hash,
+                                                   r->in.secure_channel_type);
+
+       return status;
+}
+
 /****************************************************************
  Do the domain join
 ****************************************************************/
@@ -756,7 +819,7 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
                                           struct cli_state *cli)
 {
        struct rpc_pipe_client *pipe_hnd = NULL;
-       POLICY_HND sam_pol, domain_pol, user_pol;
+       struct policy_handle sam_pol, domain_pol, user_pol;
        NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
        char *acct_name;
        struct lsa_String lsa_acct_name;
@@ -773,6 +836,17 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
        ZERO_STRUCT(domain_pol);
        ZERO_STRUCT(user_pol);
 
+       switch (r->in.secure_channel_type) {
+       case SEC_CHAN_WKSTA:
+               acct_flags = ACB_WSTRUST;
+               break;
+       case SEC_CHAN_BDC:
+               acct_flags = ACB_SVRTRUST;
+               break;
+       default:
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
        if (!r->in.machine_password) {
                r->in.machine_password = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
                NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
@@ -790,7 +864,8 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
 
        status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
                                      pipe_hnd->desthost,
-                                     SEC_RIGHTS_MAXIMUM_ALLOWED,
+                                     SAMR_ACCESS_ENUM_DOMAINS
+                                     | SAMR_ACCESS_LOOKUP_DOMAIN,
                                      &sam_pol);
        if (!NT_STATUS_IS_OK(status)) {
                goto done;
@@ -798,7 +873,9 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
 
        status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
                                        &sam_pol,
-                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
+                                       SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1
+                                       | SAMR_DOMAIN_ACCESS_CREATE_USER
+                                       | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
                                        r->out.domain_sid,
                                        &domain_pol);
        if (!NT_STATUS_IS_OK(status)) {
@@ -821,15 +898,13 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
                        SAMR_USER_ACCESS_SET_ATTRIBUTES;
                uint32_t access_granted = 0;
 
-               /* Don't try to set any acct_flags flags other than ACB_WSTRUST */
-
                DEBUG(10,("Creating account with desired access mask: %d\n",
                        access_desired));
 
                status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
                                                 &domain_pol,
                                                 &lsa_acct_name,
-                                                ACB_WSTRUST,
+                                                acct_flags,
                                                 access_desired,
                                                 &user_pol,
                                                 &access_granted,
@@ -890,7 +965,7 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
 
        status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
                                      &domain_pol,
-                                     SEC_RIGHTS_MAXIMUM_ALLOWED,
+                                     SEC_FLAG_MAXIMUM_ALLOWED,
                                      user_rid,
                                      &user_pol);
        if (!NT_STATUS_IS_OK(status)) {
@@ -933,8 +1008,8 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
                                  &cli->user_session_key,
                                  &crypt_pwd_ex);
 
-       init_samr_user_info26(&user_info.info26, &crypt_pwd_ex,
-                             PASS_DONT_CHANGE_AT_NEXT_LOGON);
+       user_info.info26.password = crypt_pwd_ex;
+       user_info.info26.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
 
        status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
                                          &user_pol,
@@ -949,8 +1024,8 @@ 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,
-                                     PASS_DONT_CHANGE_AT_NEXT_LOGON);
+               user_info.info24.password = crypt_pwd;
+               user_info.info24.password_expired = PASS_DONT_CHANGE_AT_NEXT_LOGON;
 
                status = rpccli_samr_SetUserInfo2(pipe_hnd, mem_ctx,
                                                  &user_pol,
@@ -1019,8 +1094,7 @@ NTSTATUS libnet_join_ok(const char *netbios_domain_name,
                return NT_STATUS_NO_TRUST_LSA_SECRET;
        }
 
-       asprintf(&machine_account, "%s$", machine_name);
-       if (!machine_account) {
+       if (asprintf(&machine_account, "%s$", machine_name) == -1) {
                SAFE_FREE(machine_password);
                return NT_STATUS_NO_MEMORY;
        }
@@ -1074,8 +1148,9 @@ NTSTATUS libnet_join_ok(const char *netbios_domain_name,
        }
 
        status = cli_rpc_pipe_open_schannel_with_key(
-               cli, &ndr_table_netlogon.syntax_id, PIPE_AUTH_LEVEL_PRIVACY,
-               netbios_domain_name, netlogon_pipe->dc, &pipe_hnd);
+               cli, &ndr_table_netlogon.syntax_id, NCACN_NP,
+               DCERPC_AUTH_LEVEL_PRIVACY,
+               netbios_domain_name, &netlogon_pipe->dc, &pipe_hnd);
 
        cli_shutdown(cli);
 
@@ -1136,7 +1211,7 @@ static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
 {
        struct cli_state *cli = NULL;
        struct rpc_pipe_client *pipe_hnd = NULL;
-       POLICY_HND sam_pol, domain_pol, user_pol;
+       struct policy_handle sam_pol, domain_pol, user_pol;
        NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
        char *acct_name;
        uint32_t user_rid;
@@ -1170,7 +1245,7 @@ static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
 
        status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
                                      pipe_hnd->desthost,
-                                     SEC_RIGHTS_MAXIMUM_ALLOWED,
+                                     SEC_FLAG_MAXIMUM_ALLOWED,
                                      &sam_pol);
        if (!NT_STATUS_IS_OK(status)) {
                goto done;
@@ -1178,7 +1253,7 @@ static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
 
        status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
                                        &sam_pol,
-                                       SEC_RIGHTS_MAXIMUM_ALLOWED,
+                                       SEC_FLAG_MAXIMUM_ALLOWED,
                                        r->in.domain_sid,
                                        &domain_pol);
        if (!NT_STATUS_IS_OK(status)) {
@@ -1216,7 +1291,7 @@ static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
 
        status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
                                      &domain_pol,
-                                     SEC_RIGHTS_MAXIMUM_ALLOWED,
+                                     SEC_FLAG_MAXIMUM_ALLOWED,
                                      user_rid,
                                      &user_pol);
        if (!NT_STATUS_IS_OK(status)) {
@@ -1527,7 +1602,8 @@ static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
        }
 
 #ifdef WITH_ADS
-       if (r->out.domain_is_ad) {
+       if (r->out.domain_is_ad &&
+           !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
                ADS_STATUS ads_status;
 
                ads_status  = libnet_join_post_processing_ads(mem_ctx, r);
@@ -1755,6 +1831,7 @@ 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,
@@ -1764,7 +1841,7 @@ static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
                                "failed to find DC for domain %s",
                                r->in.domain_name,
                                get_friendly_nt_error_msg(status));
-                       return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
+                       return WERR_DCNOTFOUND;
                }
 
                dc = strip_hostname(info->dc_unc);
@@ -1786,7 +1863,8 @@ static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
        }
 
 #ifdef WITH_ADS
-       if (r->out.domain_is_ad && r->in.account_ou) {
+       if (r->out.domain_is_ad && r->in.account_ou &&
+           !(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
 
                ads_status = libnet_join_connect_ads(mem_ctx, r);
                if (!ADS_ERR_OK(ads_status)) {
@@ -1806,7 +1884,12 @@ static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
        }
 #endif /* WITH_ADS */
 
-       status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
+       if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE) &&
+           (r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED)) {
+               status = libnet_join_joindomain_rpc_unsecure(mem_ctx, r, cli);
+       } else {
+               status = libnet_join_joindomain_rpc(mem_ctx, r, cli);
+       }
        if (!NT_STATUS_IS_OK(status)) {
                libnet_join_set_error_string(mem_ctx, r,
                        "failed to join domain '%s' over rpc: %s",
@@ -1926,6 +2009,12 @@ static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
                W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
        }
 
+       if (!(r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) && 
+           !r->in.delete_machine_account) {
+               libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
+               return WERR_OK;
+       }
+
        if (!r->in.dc_name) {
                struct netr_DsRGetDCNameInfo *info;
                const char *dc;
@@ -1943,7 +2032,7 @@ static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
                                "failed to find DC for domain %s",
                                r->in.domain_name,
                                get_friendly_nt_error_msg(status));
-                       return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
+                       return WERR_DCNOTFOUND;
                }
 
                dc = strip_hostname(info->dc_unc);
@@ -1951,38 +2040,55 @@ static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
                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);
-       }
-
-       r->out.disabled_machine_account = true;
-
 #ifdef WITH_ADS
-       if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
+       /* for net ads leave, try to delete the account.  If it works, 
+          no sense in disabling.  If it fails, we can still try to 
+          disable it. jmcd */
+          
+       if (r->in.delete_machine_account) {
                ADS_STATUS ads_status;
-               libnet_unjoin_connect_ads(mem_ctx, r);
-               ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
+               ads_status = libnet_unjoin_connect_ads(mem_ctx, r);
+               if (ADS_ERR_OK(ads_status)) {
+                       /* dirty hack */
+                       r->out.dns_domain_name = 
+                               talloc_strdup(mem_ctx,
+                                             r->in.ads->server.realm);
+                       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));
                } else {
                        r->out.deleted_machine_account = true;
-                       /* dirty hack */
-                       r->out.dns_domain_name = talloc_strdup(mem_ctx,
-                                                              r->in.ads->server.realm);
                        W_ERROR_HAVE_NO_MEMORY(r->out.dns_domain_name);
+                       libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
+                       return WERR_OK;
                }
        }
 #endif /* WITH_ADS */
 
+       /* The WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE flag really means 
+          "disable".  */
+       if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
+               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);
+               }
+               
+               r->out.disabled_machine_account = true;
+       }
+
+       /* If disable succeeded or was not requested at all, we 
+          should be getting rid of our end of things */
+
        libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
 
        return WERR_OK;