From: Jelmer Vernooij <jelmer@samba.org>
Date: Wed, 24 Aug 2005 12:21:19 +0000 (+0000)
Subject: r9581: Registry db
X-Git-Tag: initial-v4-0-unstable~7508
X-Git-Url: http://git.samba.org/samba.git/?p=jra%2Fsamba%2F.git;a=commitdiff_plain;h=b264e9f56a434400277bb73898484aff93522fe8

r9581: Registry db
---

diff --git a/source/include/structs.h b/source/include/structs.h
index 3399ecbd3fc..6d060fb22f8 100644
--- a/source/include/structs.h
+++ b/source/include/structs.h
@@ -277,4 +277,5 @@ struct samba3_idmapdb;
 struct samba3_groupdb;
 struct samba3_winsdb_entry;
 struct samba3_policy;
+struct samba3_regdb;
 struct samba3;
diff --git a/source/lib/samba3/config.mk b/source/lib/samba3/config.mk
index 64a2293614b..23f07106f04 100644
--- a/source/lib/samba3/config.mk
+++ b/source/lib/samba3/config.mk
@@ -8,7 +8,8 @@ ADD_OBJ_FILES = \
 		lib/samba3/idmap.o \
 		lib/samba3/winsdb.o \
 		lib/samba3/samba3.o \
-		lib/samba3/group.o
+		lib/samba3/group.o \
+		lib/samba3/registry.o
 #		lib/samba3/secrets.o
 # End SUBSYSTEM LIBSAMBA3
 ################################################
diff --git a/source/lib/samba3/registry.c b/source/lib/samba3/registry.c
index 22fa2b26362..82a08c90887 100644
--- a/source/lib/samba3/registry.c
+++ b/source/lib/samba3/registry.c
@@ -22,151 +22,123 @@
 /* Implementation of internal registry database functions. */
 
 #include "includes.h"
+#include "lib/samba3/samba3.h"
+#include "librpc/gen_ndr/winreg.h"
+#include "lib/tdb/include/tdbutil.h"
+#include "system/filesys.h"
+#include "pstring.h"
 
 #define VALUE_PREFIX	"SAMBA_REGVAL"
 #define REGVER_V1	1	/* first db version with write support */
-	
-/***********************************************************************
- Open the registry database
- ***********************************************************************/
- 
-static TDB_CONTEXT *samba3_open_registry ( const char *fn )
-{
-	uint32_t vers_id;
-
-	/* placeholder tdb; reinit upon startup */
-	
-	if ( !(tdb = tdb_open_log(lock_path("registry.tdb"), 0, TDB_DEFAULT, O_RDONLY, 0600)) )
-	{
-		return NULL;
-	}
-
-	vers_id = tdb_fetch_int32(tdb, "INFO/version");
-	
-	if (vers_id > REGVER_V1) 
-		return NULL;
-
-	return True;
-}
-
-/***********************************************************************
- Retrieve an array of strings containing subkeys.  Memory should be 
- released by the caller.  
- ***********************************************************************/
-
-int regdb_fetch_keys( TDB_CONTEXT *tdb, const char* key, REGSUBKEY_CTR *ctr )
-{
-	char *path;
-	uint32_t num_items;
-	TDB_DATA dbuf;
-	char *buf;
-	uint32_t buflen, len;
-	int i;
-	fstring subkeyname;
-
-	DEBUG(11,("regdb_fetch_keys: Enter key => [%s]\n", key ? key : "NULL"));
-	
-	path = talloc_strdup(key);
-	
-	/* convert to key format */
-	for ( i = 0; path[i]; i++) {
-		if ( path[i] == '\\' )
-			path[i] = '/';
-	}
-	strupper_m( path );
-	
-	dbuf = tdb_fetch_bystring( tdb, path );
-	
-	buf = dbuf.dptr;
-	buflen = dbuf.dsize;
-	
-	if ( !buf ) {
-		DEBUG(5,("regdb_fetch_keys: tdb lookup failed to locate key [%s]\n", key));
-		return -1;
-	}
-	
-	len = tdb_unpack( buf, buflen, "d", &num_items);
-	
-	for (i=0; i<num_items; i++) {
-		len += tdb_unpack( buf+len, buflen-len, "f", subkeyname );
-		regsubkey_ctr_addkey( ctr, subkeyname );
-	}
-
-	SAFE_FREE( dbuf.dptr );
-	
-	DEBUG(11,("regdb_fetch_keys: Exit [%d] items\n", num_items));
-	
-	return num_items;
-}
 
 /****************************************************************************
- Unpack a list of registry values frem the TDB
+ Unpack a list of registry values from the TDB
  ***************************************************************************/
  
-static int regdb_unpack_values(REGVAL_CTR *values, char *buf, int buflen)
+static int regdb_unpack_values(TDB_CONTEXT *tdb, TALLOC_CTX *ctx, struct samba3_regkey *key, TDB_DATA data )
 {
 	int 		len = 0;
 	uint32_t	type;
-	char 		*valuename;
 	uint32_t	size;
 	uint8_t		*data_p;
 	uint32_t	num_values = 0;
 	int 		i;
+	fstring valuename;
 	
 	/* loop and unpack the rest of the registry values */
 	
-	len += tdb_unpack(buf+len, buflen-len, "d", &num_values);
+	len += tdb_unpack(tdb, data.dptr+len, data.dsize-len, "d", &num_values);
 	
 	for ( i=0; i<num_values; i++ ) {
+		struct samba3_regval val;
 		/* unpack the next regval */
 		
 		type = REG_NONE;
 		size = 0;
 		data_p = NULL;
-		len += tdb_unpack(buf+len, buflen-len, "fdB",
+		len += tdb_unpack(tdb, data.dptr+len, data.dsize-len, "fdB",
 				  valuename,
-				  &type,
+				  &val.type,
 				  &size,
 				  &data_p);
-				
-		/* add the new value. Paranoid protective code -- make sure data_p is valid */
-
-		if ( size && data_p ) {
-			regval_ctr_addvalue( values, valuename, type, (const char *)data_p, size );
-			SAFE_FREE(data_p); /* 'B' option to tdb_unpack does a malloc() */
-		}
+		val.name = talloc_strdup(ctx, valuename);
+		val.data = data_blob_talloc(ctx, data_p, size);
 
-		DEBUG(8,("specific: [%s], len: %d\n", valuename, size));
+		key->values = talloc_realloc(ctx, key->values, struct samba3_regval, key->value_count+1);
+		key->values[key->value_count] = val;
+		key->value_count++;
 	}
 
 	return len;
 }
 
+
+	
 /***********************************************************************
- Retrieve an array of strings containing subkeys.  Memory should be 
- released by the caller.
+ Open the registry database
  ***********************************************************************/
-
-int regdb_fetch_values( TDB_CONTEXT *tdb, const char* key, REGVAL_CTR *values )
+ 
+NTSTATUS samba3_read_regdb ( const char *fn, TALLOC_CTX *ctx, struct samba3_regdb *db )
 {
-	TDB_DATA data;
-	pstring keystr;
+	uint32_t vers_id;
+	TDB_CONTEXT *tdb;
+	TDB_DATA kbuf, vbuf;
 
-	DEBUG(10,("regdb_fetch_values: Looking for value of key [%s] \n", key));
-	
-	pstr_sprintf( keystr, "%s/%s", VALUE_PREFIX, key );
-	normalize_reg_path( keystr );
-	
-	data = tdb_fetch_bystring( tdb, keystr );
+	/* placeholder tdb; reinit upon startup */
 	
-	if ( !data.dptr ) {
-		/* all keys have zero values by default */
-		return 0;
+	if ( !(tdb = tdb_open(fn, 0, TDB_DEFAULT, O_RDONLY, 0600)) )
+	{
+		return NT_STATUS_UNSUCCESSFUL;
 	}
+
+	vers_id = tdb_fetch_int32(tdb, "INFO/version");
+
+	db->key_count = 0;
+	db->keys = NULL;
+	
+	if (vers_id > REGVER_V1) 
+		return NT_STATUS_UNSUCCESSFUL;
+
+	for (kbuf = tdb_firstkey(tdb); kbuf.dptr; kbuf = tdb_nextkey(tdb, kbuf))
+	{
+		uint32_t len;
+		int i;
+		struct samba3_regkey key;
+		char *skey;
+			
+		if (strncmp(kbuf.dptr, VALUE_PREFIX, strlen(VALUE_PREFIX)))
+			continue;
+
+		vbuf = tdb_fetch(tdb, kbuf);
+
+		key.name = talloc_strdup(ctx, kbuf.dptr); 
+
+		len = tdb_unpack(tdb, vbuf.dptr, vbuf.dsize, "d", &key.subkey_count);
+
+		key.value_count = 0;
+		key.values = NULL;
+		key.subkeys = talloc_array(ctx, char *, key.subkey_count);
 	
-	regdb_unpack_values( values, data.dptr, data.dsize );
+		for (i = 0; i < key.subkey_count; i++) {
+			fstring tmp;
+			len += tdb_unpack( tdb, vbuf.dptr+len, vbuf.dsize-len, "f", tmp );
+			key.subkeys[i] = talloc_strdup(ctx, tmp);
+		}
+
+		skey = talloc_asprintf(ctx, "%s/%s", VALUE_PREFIX, kbuf.dptr );
 	
-	SAFE_FREE( data.dptr );
+		vbuf = tdb_fetch_bystring( tdb, skey );
 	
-	return regval_ctr_numvals(values);
+		if ( vbuf.dptr ) {
+			regdb_unpack_values( tdb, ctx, &key, vbuf );
+		}
+
+		db->keys = talloc_realloc(ctx, db->keys, struct samba3_regkey, db->key_count+1);
+		db->keys[i] = key;
+		db->key_count++;
+	}
+
+	tdb_close(tdb);
+
+	return NT_STATUS_OK;
 }
diff --git a/source/lib/samba3/samba3.c b/source/lib/samba3/samba3.c
index 37576a8642a..c74b1b5279e 100644
--- a/source/lib/samba3/samba3.c
+++ b/source/lib/samba3/samba3.c
@@ -47,5 +47,9 @@ struct samba3 *samba3_read(const char *libdir, TALLOC_CTX *ctx)
 	samba3_read_account_policy(dbfile, ctx, &ret->policy);
 	SAFE_FREE(dbfile);
 
+	asprintf(&dbfile, "%s/registry.tdb", libdir);
+	samba3_read_regdb(dbfile, ctx, &ret->registry);
+	SAFE_FREE(dbfile);
+
 	return ret;
 }
diff --git a/source/lib/samba3/samba3.h b/source/lib/samba3/samba3.h
index adb7b8973ab..bebd1207048 100644
--- a/source/lib/samba3/samba3.h
+++ b/source/lib/samba3/samba3.h
@@ -51,26 +51,11 @@ struct samba3_samaccount {
 	uint8_t	*hours;
 };
 
-/* SID Types */
-enum SID_NAME_USE
-{
-	SID_NAME_USE_NONE = 0,
-	SID_NAME_USER    = 1, /* user */
-	SID_NAME_DOM_GRP,     /* domain group */
-	SID_NAME_DOMAIN,      /* domain sid */
-	SID_NAME_ALIAS,       /* local group */
-	SID_NAME_WKN_GRP,     /* well-known group */
-	SID_NAME_DELETED,     /* deleted account: needed for c2 rating */
-	SID_NAME_INVALID,     /* invalid account */
-	SID_NAME_UNKNOWN,     /* unknown sid type */
-	SID_NAME_COMPUTER     /* sid for a computer */
-};
-
 struct samba3_groupmapping {
 	struct pdb_methods *methods;
 	gid_t gid;
 	struct dom_sid *sid;
-	enum SID_NAME_USE sid_name_use;
+	int sid_name_use;
 	const char *nt_name;
 	const char *comment;
 };
@@ -130,6 +115,28 @@ struct samba3_policy
 	uint32_t refuse_machine_password_change;
 };
 
+struct samba3_regval {
+	char *name;
+	uint16_t		type;
+	DATA_BLOB 		data;
+};
+
+struct samba3_regkey {
+	char *name;
+	
+	uint32_t value_count;
+	struct samba3_regval *values;
+
+	uint32_t subkey_count;
+	char **subkeys;
+};
+
+struct samba3_regdb
+{
+	uint32_t key_count;
+	struct samba3_regkey *keys;
+};
+
 struct samba3 
 {
 	uint32_t winsdb_count;
@@ -141,6 +148,7 @@ struct samba3
 	struct samba3_groupdb group;
 	struct samba3_idmapdb idmap;
 	struct samba3_policy policy;
+	struct samba3_regdb registry;
 };
 
 #endif /* _SAMBA3_H */