r23581: Move regkey_open_onelevel from reg_frontend to reg_api,

where it actually belongs, and make it static.

Michael
(This used to be commit aa702e53a7416b5599ed114089327aef8a4e35b8)

1 files changed, 110 insertions, 2 deletions

diff --git a/source3/registry/reg_api.c b/source3/registry/reg_api.c
index e163759dab..4fbf54e753 100644
--- a/source3/registry/reg_api.c
+++ b/source3/registry/reg_api.c
@@ -57,6 +57,116 @@ static WERROR fill_subkey_cache(struct registry_key *key)
 	return WERR_OK;
 }
 
+static int regkey_destructor(REGISTRY_KEY *key)
+{
+	return regdb_close();
+}
+
+static WERROR regkey_open_onelevel(TALLOC_CTX *mem_ctx, 
+				   struct registry_key *parent,
+				   const char *name,
+				   const struct nt_user_token *token,
+				   uint32 access_desired,
+				   struct registry_key **pregkey)
+{
+	WERROR     	result = WERR_OK;
+	struct registry_key *regkey;
+	REGISTRY_KEY *key;
+	REGSUBKEY_CTR	*subkeys = NULL;
+
+	DEBUG(7,("regkey_open_onelevel: name = [%s]\n", name));
+
+	SMB_ASSERT(strchr(name, '\\') == NULL);
+
+	if (!(regkey = TALLOC_ZERO_P(mem_ctx, struct registry_key)) ||
+	    !(regkey->token = dup_nt_token(regkey, token)) ||
+	    !(regkey->key = TALLOC_ZERO_P(regkey, REGISTRY_KEY))) {
+		result = WERR_NOMEM;
+		goto done;
+	}
+
+	if ( !(W_ERROR_IS_OK(result = regdb_open())) ) {
+		goto done;
+	}
+
+	key = regkey->key;
+	talloc_set_destructor(key, regkey_destructor);
+		
+	/* initialization */
+	
+	key->type = REG_KEY_GENERIC;
+
+	if (name[0] == '\0') {
+		/*
+		 * Open a copy of the parent key
+		 */
+		if (!parent) {
+			result = WERR_BADFILE;
+			goto done;
+		}
+		key->name = talloc_strdup(key, parent->key->name);
+	}
+	else {
+		/*
+		 * Normal subkey open
+		 */
+		key->name = talloc_asprintf(key, "%s%s%s",
+					    parent ? parent->key->name : "",
+					    parent ? "\\": "",
+					    name);
+	}
+
+	if (key->name == NULL) {
+		result = WERR_NOMEM;
+		goto done;
+	}
+
+	/* Tag this as a Performance Counter Key */
+
+	if( StrnCaseCmp(key->name, KEY_HKPD, strlen(KEY_HKPD)) == 0 )
+		key->type = REG_KEY_HKPD;
+	
+	/* Look up the table of registry I/O operations */
+
+	if ( !(key->hook = reghook_cache_find( key->name )) ) {
+		DEBUG(0,("reg_open_onelevel: Failed to assigned a "
+			 "REGISTRY_HOOK to [%s]\n", key->name ));
+		result = WERR_BADFILE;
+		goto done;
+	}
+	
+	/* check if the path really exists; failed is indicated by -1 */
+	/* if the subkey count failed, bail out */
+
+	if ( !(subkeys = TALLOC_ZERO_P( key, REGSUBKEY_CTR )) ) {
+		result = WERR_NOMEM;
+		goto done;
+	}
+
+	if ( fetch_reg_keys( key, subkeys ) == -1 )  {
+		result = WERR_BADFILE;
+		goto done;
+	}
+	
+	TALLOC_FREE( subkeys );
+
+	if ( !regkey_access_check( key, access_desired, &key->access_granted,
+				   token ) ) {
+		result = WERR_ACCESS_DENIED;
+		goto done;
+	}
+
+	*pregkey = regkey;
+	result = WERR_OK;
+	
+done:
+	if ( !W_ERROR_IS_OK(result) ) {
+		TALLOC_FREE(regkey);
+	}
+
+	return result;
+}
+
 WERROR reg_openhive(TALLOC_CTX *mem_ctx, const char *hive,
 		    uint32 desired_access,
 		    const struct nt_user_token *token,
@@ -567,5 +677,3 @@ WERROR reg_open_path(TALLOC_CTX *mem_ctx, const char *orig_path,
 	*pkey = key;
 	return WERR_OK;
 }
-
-/* END */