r8752: With all the infrustructure done, details like a SamSync migration

into LDB are actually quite easy.

This brings us the users, and sets basic domain information.

You are expected to have provisioned with the settings for the target
domain, and have joined the domain as a BDC.  Then simply 'net
samsync'.

Now we just need to flesh out the delta types.

Andrew Bartlett
(This used to be commit 1e0f7792bb29b17c23197a5e42ee8cabb0cf17d0)

3 files changed, 425 insertions, 0 deletions

diff --git a/source4/libnet/config.mk b/source4/libnet/config.mk
index 1f85d81ea2..8d5f5dfccd 100644
--- a/source4/libnet/config.mk
+++ b/source4/libnet/config.mk
@@ -10,6 +10,7 @@ ADD_OBJ_FILES = \
 		libnet/libnet_join.o \
 		libnet/libnet_vampire.o \
 		libnet/libnet_samdump.o \
+		libnet/libnet_samsync_ldb.o \
 		libnet/libnet_user.o \
 		libnet/libnet_share.o \
 		libnet/libnet_lookup.o \
diff --git a/source4/libnet/libnet_samsync_ldb.c b/source4/libnet/libnet_samsync_ldb.c
new file mode 100644
index 0000000000..cedb1e233e
--- /dev/null
+++ b/source4/libnet/libnet_samsync_ldb.c
@@ -0,0 +1,414 @@
+/* 
+   Unix SMB/CIFS implementation.
+   
+   Extract the user/system database from a remote SamSync server
+
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
+   Copyright (C) Andrew Tridgell 2004
+   
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#include "includes.h"
+#include "libnet/libnet.h"
+#include "librpc/gen_ndr/ndr_netlogon.h"
+#include "librpc/gen_ndr/ndr_samr.h"
+#include "dlinklist.h"
+#include "lib/ldb/include/ldb.h"
+
+struct samsync_ldb_secret {
+	struct samsync_ldb_secret *prev, *next;
+	DATA_BLOB secret;
+	char *name;
+	NTTIME mtime;
+};
+
+struct samsync_ldb_trusted_domain {
+	struct samsync_ldb_trusted_domain *prev, *next;
+        struct dom_sid *sid;
+	char *name;
+};
+
+struct samsync_ldb_state {
+	struct dom_sid *dom_sid[3];
+	struct ldb_context *sam_ldb;
+	char *base_dn[3];
+	struct samsync_ldb_secret *secrets;
+	struct samsync_ldb_trusted_domain *trusted_domains;
+};
+
+static NTSTATUS samsync_ldb_handle_domain(TALLOC_CTX *mem_ctx,
+					  struct samsync_ldb_state *state,
+					  struct creds_CredentialState *creds,
+					  enum netr_SamDatabaseID database,
+					  struct netr_DELTA_ENUM *delta) 
+{
+	struct netr_DELTA_DOMAIN *domain = delta->delta_union.domain;
+	const char *domain_name = domain->domain_name.string;
+	struct ldb_message *msg;
+	int ret;
+	
+	if (database == SAM_DATABASE_DOMAIN) {
+		const char *domain_attrs[] =  {"nETBIOSName", "nCName", NULL};
+		struct ldb_message **msgs_domain;
+		int ret_domain;
+		ret_domain = gendb_search(state->sam_ldb, mem_ctx, NULL, &msgs_domain, domain_attrs,
+					  "(&(&(nETBIOSName=%s)(objectclass=crossRef))(ncName=*))", 
+					  domain_name);
+		if (ret_domain == -1) {
+			return NT_STATUS_INTERNAL_DB_CORRUPTION;
+		}
+		
+		if (ret_domain != 1) {
+			return NT_STATUS_NO_SUCH_DOMAIN;		
+		}
+
+		state->base_dn[database]
+			= talloc_steal(state, samdb_result_string(msgs_domain[0], 
+								  "nCName", NULL));
+		
+		state->dom_sid[database]
+			= talloc_steal(state, 
+				       samdb_search_dom_sid(state->sam_ldb, state,
+							    state->base_dn[database], "objectSid", 
+							    "dn=%s", state->base_dn[database]));
+	} else if (database == SAM_DATABASE_BUILTIN) {
+			/* work out the builtin_dn - useful for so many calls its worth
+			   fetching here */
+		state->base_dn[database]
+			= talloc_steal(state, 
+				       samdb_search_string(state->sam_ldb, mem_ctx, NULL,
+							   "dn", "objectClass=builtinDomain"));
+		state->dom_sid[database]
+			= dom_sid_parse_talloc(state, SID_BUILTIN);
+	} else {
+		/* PRIVs DB */
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	msg = ldb_msg_new(mem_ctx);
+	if (msg == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	msg->dn = talloc_reference(mem_ctx, state->base_dn[database]);
+	if (!msg->dn) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	samdb_msg_add_string(state->sam_ldb, mem_ctx, 
+			     msg, "oEMInformation", domain->comment.string);
+
+	samdb_msg_add_uint64(state->sam_ldb, mem_ctx, 
+			     msg, "forceLogff", domain->force_logoff_time);
+
+	samdb_msg_add_uint(state->sam_ldb, mem_ctx, 
+			  msg, "minPwdLen", domain->min_password_length);
+
+	samdb_msg_add_int64(state->sam_ldb, mem_ctx, 
+			  msg, "maxPwdAge", domain->max_password_age);
+
+	samdb_msg_add_int64(state->sam_ldb, mem_ctx, 
+			  msg, "minPwdAge", domain->min_password_age);
+
+	samdb_msg_add_uint(state->sam_ldb, mem_ctx, 
+			  msg, "pwdHistoryLength", domain->password_history_length);
+
+	samdb_msg_add_uint64(state->sam_ldb, mem_ctx, 
+			     msg, "modifiedCountAtLastProm", 
+			     domain->sequence_num);
+
+	samdb_msg_add_uint64(state->sam_ldb, mem_ctx, 
+			     msg, "creationTime", domain->domain_create_time);
+
+	/* TODO: Account lockout, password properties */
+	
+	ret = samdb_replace(state->sam_ldb, mem_ctx, msg);
+
+	if (ret) {
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS samsync_ldb_handle_user(TALLOC_CTX *mem_ctx,
+					struct samsync_ldb_state *state,
+					struct creds_CredentialState *creds,
+					enum netr_SamDatabaseID database,
+					struct netr_DELTA_ENUM *delta) 
+{
+	uint32_t rid = delta->delta_id_union.rid;
+	struct netr_DELTA_USER *user = delta->delta_union.user;
+	const char *container, *obj_class;
+	char *cn_name;
+	int cn_name_len;
+
+	struct ldb_message *msg;
+	struct ldb_message **msgs;
+	int ret;
+	uint32_t acb;
+	BOOL add = False;
+	const char *attrs[] = { NULL };
+
+	msg = ldb_msg_new(mem_ctx);
+	if (msg == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* search for the user, by rid */
+	ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
+			   "(&(objectClass=user)(objectSid=%s))", 
+			   ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid))); 
+
+	if (ret == -1) {
+		return NT_STATUS_INTERNAL_DB_CORRUPTION;
+	} else if (ret == 0) {
+		add = True;
+	} else if (ret > 1) {
+		return NT_STATUS_INTERNAL_DB_CORRUPTION;
+	} else {
+		msg->dn = talloc_steal(mem_ctx, msgs[0]->dn);
+	}
+
+
+	cn_name   = talloc_strdup(mem_ctx, user->account_name.string);
+	NT_STATUS_HAVE_NO_MEMORY(cn_name);
+	cn_name_len = strlen(cn_name);
+
+#define ADD_OR_DEL(type, attrib, field) do {\
+	if (user->field) { \
+		samdb_msg_add_ ## type(state->sam_ldb, mem_ctx, msg, \
+				     attrib, user->field); \
+	} else if (!add) { \
+		samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,  \
+				     attrib); \
+	} \
+        } while (0);
+
+        ADD_OR_DEL(string, "samAccountName", account_name.string);
+        ADD_OR_DEL(string, "displayName", full_name.string);
+
+	if (samdb_msg_add_dom_sid(state->sam_ldb, mem_ctx, msg, 
+				  "objectSid", dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid))) {
+		return NT_STATUS_NO_MEMORY; 
+	}
+
+        ADD_OR_DEL(uint, "primaryGroupID", primary_gid);
+        ADD_OR_DEL(string, "homeDirectory", home_directory.string);
+        ADD_OR_DEL(string, "homeDrive", home_drive.string);
+        ADD_OR_DEL(string, "scriptPath", logon_script.string);
+	ADD_OR_DEL(string, "description", description.string);
+	ADD_OR_DEL(string, "userWorkstations", workstations.string);
+
+	ADD_OR_DEL(uint64, "lastLogon", last_logon);
+	ADD_OR_DEL(uint64, "lastLogoff", last_logoff);
+
+	/* TODO: Logon hours */
+
+	ADD_OR_DEL(uint, "badPwdCount", bad_password_count);
+	ADD_OR_DEL(uint, "logonCount", logon_count);
+
+	ADD_OR_DEL(uint64, "pwdLastSet", last_password_change);
+	ADD_OR_DEL(uint64, "accountExpires", acct_expiry);
+	
+	if (samdb_msg_add_acct_flags(state->sam_ldb, mem_ctx, msg, 
+				     "userAccountConrol", user->acct_flags) != 0) { 
+		return NT_STATUS_NO_MEMORY; 
+	} 
+	
+	/* Passwords */
+	samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,  
+				"unicodePwd"); 
+	if (user->lm_password_present) {
+		samdb_msg_add_hash(state->sam_ldb, mem_ctx, msg,  
+				   "lmPwdHash", &user->lmpassword);
+	} else {
+		samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,  
+				     "lmPwdHash"); 
+	}
+	if (user->nt_password_present) {
+		samdb_msg_add_hash(state->sam_ldb, mem_ctx, msg,  
+				   "ntPwdHash", &user->ntpassword);
+	} else {
+		samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,  
+				     "ntPwdHash"); 
+	}
+	    
+	ADD_OR_DEL(string, "comment", comment.string);
+	ADD_OR_DEL(string, "userParameters", parameters.string);
+	ADD_OR_DEL(uint, "countryCode", country_code);
+	ADD_OR_DEL(uint, "codePage", code_page);
+
+        ADD_OR_DEL(string, "profilePath", profile_path.string);
+
+	acb = user->acct_flags;
+	if (acb & (ACB_WSTRUST)) {
+		cn_name[cn_name_len - 1] = '\0';
+		container = "Computers";
+		obj_class = "computer";
+		
+	} else if (acb & ACB_SVRTRUST) {
+		if (cn_name[cn_name_len - 1] != '$') {
+			return NT_STATUS_FOOBAR;		
+		}
+		cn_name[cn_name_len - 1] = '\0';
+		container = "Domain Controllers";
+		obj_class = "computer";
+	} else {
+		container = "Users";
+		obj_class = "user";
+	}
+	if (add) {
+		samdb_msg_add_string(state->sam_ldb, mem_ctx, msg, 
+				     "objectClass", obj_class);
+		msg->dn = talloc_asprintf(mem_ctx, "CN=%s,CN=%s,%s",
+					  cn_name, container, state->base_dn[database]);
+		if (!msg->dn) {
+			return NT_STATUS_NO_MEMORY;		
+		}
+
+		ret = samdb_add(state->sam_ldb, mem_ctx, msg);
+		if (ret != 0) {
+			DEBUG(0,("Failed to create user record %s\n", msg->dn));
+			return NT_STATUS_INTERNAL_DB_CORRUPTION;
+		}
+	} else {
+		ret = samdb_replace(state->sam_ldb, mem_ctx, msg);
+		if (ret != 0) {
+			DEBUG(0,("Failed to modify user record %s\n", msg->dn));
+			return NT_STATUS_INTERNAL_DB_CORRUPTION;
+		}
+	}
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS samsync_ldb_handle_group(TALLOC_CTX *mem_ctx,
+					 struct samsync_ldb_state *state,
+					 struct creds_CredentialState *creds,
+					 enum netr_SamDatabaseID database,
+					 struct netr_DELTA_ENUM *delta) 
+{
+	uint32_t rid = delta->delta_id_union.rid;
+	struct netr_DELTA_GROUP *group = delta->delta_union.group;
+	const char *groupname = group->group_name.string;
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS libnet_samsync_ldb_fn(TALLOC_CTX *mem_ctx, 		
+				  void *private, 			
+				  struct creds_CredentialState *creds,
+				  enum netr_SamDatabaseID database,
+				  struct netr_DELTA_ENUM *delta,
+				  char **error_string)
+{
+	NTSTATUS nt_status = NT_STATUS_OK;
+	struct samsync_ldb_state *state = private;
+
+	*error_string = NULL;
+	switch (delta->delta_type) {
+	case NETR_DELTA_DOMAIN:
+	{
+		nt_status = samsync_ldb_handle_domain(mem_ctx, 
+						      state,
+						      creds,
+						      database,
+						      delta);
+		break;
+	}
+	case NETR_DELTA_USER:
+	{
+		nt_status = samsync_ldb_handle_user(mem_ctx, 
+						    state,
+						    creds,
+						    database,
+						    delta);
+		break;
+	}
+	case NETR_DELTA_GROUP:
+	{
+		nt_status = samsync_ldb_handle_group(mem_ctx, 
+						     state,
+						     creds,
+						     database,
+						     delta);
+		break;
+	}
+	default:
+		/* Can't dump them all right now */
+		break;
+	}
+	return nt_status;
+}
+
+static NTSTATUS libnet_samsync_ldb_netlogon(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_samsync_ldb *r)
+{
+	NTSTATUS nt_status;
+	struct libnet_SamSync r2;
+	struct samsync_ldb_state *state = talloc(mem_ctx, struct samsync_ldb_state);
+
+	if (!state) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	state->secrets = NULL;
+	state->trusted_domains = NULL;
+
+	state->sam_ldb = samdb_connect(state);
+
+	
+
+	r2.error_string = NULL;
+	r2.delta_fn = libnet_samsync_ldb_fn;
+	r2.fn_ctx = state;
+	r2.machine_account = NULL; /* TODO:  Create a machine account, fill this in, and the delete it */
+	nt_status = libnet_SamSync_netlogon(ctx, state, &r2);
+	r->error_string = r2.error_string;
+
+	if (!NT_STATUS_IS_OK(nt_status)) {
+		talloc_free(state);
+		return nt_status;
+	}
+	talloc_free(state);
+	return nt_status;
+}
+
+
+
+static NTSTATUS libnet_samsync_ldb_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_samsync_ldb *r)
+{
+	NTSTATUS nt_status;
+	struct libnet_samsync_ldb r2;
+	r2.level = LIBNET_SAMSYNC_LDB_NETLOGON;
+	r2.error_string = NULL;
+	nt_status = libnet_samsync_ldb(ctx, mem_ctx, &r2);
+	r->error_string = r2.error_string;
+	
+	return nt_status;
+}
+
+NTSTATUS libnet_samsync_ldb(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_samsync_ldb *r)
+{
+	switch (r->level) {
+	case LIBNET_SAMSYNC_LDB_GENERIC:
+		return libnet_samsync_ldb_generic(ctx, mem_ctx, r);
+	case LIBNET_SAMSYNC_LDB_NETLOGON:
+		return libnet_samsync_ldb_netlogon(ctx, mem_ctx, r);
+	}
+
+	return NT_STATUS_INVALID_LEVEL;
+}
diff --git a/source4/libnet/libnet_vampire.h b/source4/libnet/libnet_vampire.h
index f5bc2b1501..8a588de48c 100644
--- a/source4/libnet/libnet_vampire.h
+++ b/source4/libnet/libnet_vampire.h
@@ -43,3 +43,13 @@ struct libnet_SamDump {
 	char *error_string;
 };
 
+enum libnet_samsync_ldb_level {
+	LIBNET_SAMSYNC_LDB_GENERIC,
+	LIBNET_SAMSYNC_LDB_NETLOGON,
+};
+
+struct libnet_samsync_ldb {
+	enum libnet_samsync_ldb_level level;
+	char *error_string;
+};
+