andrey Mon, 06 Dec 2010 13:50:51 +0000
Revision: http://svn.php.net/viewvc?view=revision&revision=306008
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Log:
don't crash if the API is used incorrectly
Changed paths:
U php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.c
U php/php-src/trunk/ext/mysqlnd/mysqlnd.c
Modified: php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.c
===================================================================
--- php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.c 2010-12-06 13:12:16 UTC
(rev 306007)
+++ php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.c 2010-12-06 13:50:51 UTC
(rev 306008)
@@ -1971,15 +1971,19 @@
}
}
if (ret == PASS) {
+ char * tmp = NULL;
+ /* if we get conn->user as parameter and then we first free it,
then estrndup it, we will crash */
+ tmp = mnd_pestrndup(user, user_len, conn->persistent);
if (conn->user) {
mnd_pefree(conn->user, conn->persistent);
}
- conn->user = mnd_pestrndup(user, user_len, conn->persistent);
+ conn->user = tmp;
+ tmp = mnd_pestrdup(passwd, conn->persistent);
if (conn->passwd) {
mnd_pefree(conn->passwd, conn->persistent);
}
- conn->passwd = mnd_pestrdup(passwd, conn->persistent);
+ conn->passwd = tmp;
if (conn->last_message) {
mnd_pefree(conn->last_message, conn->persistent);
Modified: php/php-src/trunk/ext/mysqlnd/mysqlnd.c
===================================================================
--- php/php-src/trunk/ext/mysqlnd/mysqlnd.c 2010-12-06 13:12:16 UTC (rev
306007)
+++ php/php-src/trunk/ext/mysqlnd/mysqlnd.c 2010-12-06 13:50:51 UTC (rev
306008)
@@ -1994,15 +1994,19 @@
}
}
if (ret == PASS) {
+ char * tmp = NULL;
+ /* if we get conn->user as parameter and then we first free it,
then estrndup it, we will crash */
+ tmp = mnd_pestrndup(user, user_len, conn->persistent);
if (conn->user) {
mnd_pefree(conn->user, conn->persistent);
}
- conn->user = mnd_pestrndup(user, user_len, conn->persistent);
+ conn->user = tmp;
+ tmp = mnd_pestrdup(passwd, conn->persistent);
if (conn->passwd) {
mnd_pefree(conn->passwd, conn->persistent);
}
- conn->passwd = mnd_pestrdup(passwd, conn->persistent);
+ conn->passwd = tmp;
if (conn->last_message) {
mnd_pefree(conn->last_message, conn->persistent);
--
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