From: Bo Peng <pengbo@sraoss.co.jp>
Date: Fri, 28 Jun 2024 10:42:58 +0000 (+0900)
Subject: Fixed segmentation fault at parsing config file.
X-Git-Tag: V4_6_0_BETA1~80
X-Git-Url: http://git.postgresql.org/gitweb/?a=commitdiff_plain;h=c1b17275fc0db9991fb6c644d098bf10ca00cc66;p=pgpool2.git

Fixed segmentation fault at parsing config file.

This commit fixed a segmentation fault that occurs when parsing pgpool.conf
if the setting value was not enclosed in single quotes.

The patch is created by Carlos Chapi, reviewed and modified by Tatsuo Ishii.
---

diff --git a/src/config/pool_config.l b/src/config/pool_config.l
index 2eef2ed11..b681e8a38 100644
--- a/src/config/pool_config.l
+++ b/src/config/pool_config.l
@@ -335,7 +335,7 @@ ParseConfigFile(const char *config_file, const char *calling_file,
 	FILE *fd;
 	YY_BUFFER_STATE lex_buffer;
 	int token;
-	char *key = NULL;
+	char *key;
 	char *val;
 	ConfigVariable *item;
 	char buf[POOLMAXPATHLEN + 1];
@@ -394,6 +394,8 @@ ParseConfigFile(const char *config_file, const char *calling_file,
 
 	for(;;)
 	{
+		key = NULL;
+
 		token = yylex();
 
 		if (token == 0)