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[mod_mysql_vhost] fix memory leak on config init (#2530)

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From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2929 152afb58-edef-0310-8abb-c4023f1b3aa9
svn/tags/lighttpd-1.4.34
Stefan Bühler 9 years ago
parent e346794d59
commit 657566828e
2 changed files with 27 additions and 21 deletions
Show Stats Download Patch File Download Diff File

1
NEWS
Unescape View File

@ -15,6 +15,7 @@ NEWS
* maintain physical.basedir (the "acting" doc-root as prefix of physical.path) in more places
* [core] decode URL before rewrite, enabling it to work in $HTTP["url"] conditionals (fixes #2526)
* [auto* build] remove -no-undefined from linker flags, as we actually link modules with undefined symbols (fixes #2533)
* [mod_mysql_vhost] fix memory leak on config init (#2530)
- 1.4.33 - 2013-09-27
* mod_fastcgi: fix mix up of "mode" => "authorizer" in other fastcgi configs (fixes #2465, thx peex)

47
src/mod_mysql_vhost.c
Unescape View File

@ -127,7 +127,7 @@ static void* mod_mysql_vhost_connection_data(server *srv, connection *con, void
UNUSED(srv);
#ifdef DEBUG
log_error_write(srv, __FILE__, __LINE__, "ss",
log_error_write(srv, __FILE__, __LINE__, "ss",
"mod_mysql_connection_data", c ? "old" : "NEW");
#endif
@ -173,24 +173,24 @@ SERVER_FUNC(mod_mysql_vhost_set_defaults) {
char *qmark;
size_t i = 0;
buffer *sel;
config_values_t cv[] = {
{ "mysql-vhost.db", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.user", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.pass", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.sock", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.sql", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.hostname", NULL, T_CONFIG_STRING,T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.port", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER },
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
};
{ "mysql-vhost.db", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.user", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.pass", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.sock", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.sql", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.hostname", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
{ "mysql-vhost.port", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER },
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
};
p->config_storage = calloc(1, srv->config_context->used * sizeof(plugin_config *));
sel = buffer_init();
for (i = 0; i < srv->config_context->used; i++) {
plugin_config *s;
buffer *sel;
s = calloc(1, sizeof(plugin_config));
s->mydb = buffer_init();
@ -198,8 +198,7 @@ SERVER_FUNC(mod_mysql_vhost_set_defaults) {
s->mypass = buffer_init();
s->mysock = buffer_init();
s->hostname = buffer_init();
s->port = 0; /* default port for mysql */
sel = buffer_init();
s->port = 0; /* default port for mysql */
s->mysql = NULL;
s->mysql_pre = buffer_init();
@ -209,13 +208,14 @@ SERVER_FUNC(mod_mysql_vhost_set_defaults) {
cv[1].destination = s->myuser;
cv[2].destination = s->mypass;
cv[3].destination = s->mysock;
buffer_reset(sel);
cv[4].destination = sel;
cv[5].destination = s->hostname;
cv[6].destination = &(s->port);
p->config_storage[i] = s;
if (config_insert_values_global(srv,
if (config_insert_values_global(srv,
((data_config *)srv->config_context->data[i])->value,
cv)) return HANDLER_ERROR;
@ -249,6 +249,7 @@ SERVER_FUNC(mod_mysql_vhost_set_defaults) {
if (NULL == (s->mysql = mysql_init(NULL))) {
log_error_write(srv, __FILE__, __LINE__, "s", "mysql_init() failed, exiting...");
buffer_free(sel);
return HANDLER_ERROR;
}
@ -260,7 +261,7 @@ SERVER_FUNC(mod_mysql_vhost_set_defaults) {
#define FOO(x) (s->x->used ? s->x->ptr : NULL)
#if MYSQL_VERSION_ID >= 40100
/* CLIENT_MULTI_STATEMENTS first appeared in 4.1 */
/* CLIENT_MULTI_STATEMENTS first appeared in 4.1 */
if (!mysql_real_connect(s->mysql, FOO(hostname), FOO(myuser), FOO(mypass),
FOO(mydb), s->port, FOO(mysock), CLIENT_MULTI_STATEMENTS)) {
#else
@ -269,6 +270,7 @@ SERVER_FUNC(mod_mysql_vhost_set_defaults) {
#endif
log_error_write(srv, __FILE__, __LINE__, "s", mysql_error(s->mysql));
buffer_free(sel);
return HANDLER_ERROR;
}
#undef FOO
@ -292,6 +294,7 @@ SERVER_FUNC(mod_mysql_vhost_set_defaults) {
}
}
buffer_free(sel);
return HANDLER_GO_ON;
}
@ -357,7 +360,7 @@ CONNECTION_FUNC(mod_mysql_vhost_handle_docroot) {
/* check if cached this connection */
if (c->server_name->used && /* con->uri.authority->used && */
buffer_is_equal(c->server_name, con->uri.authority)) goto GO_ON;
buffer_is_equal(c->server_name, con->uri.authority)) goto GO_ON;
/* build and run SQL query */
buffer_copy_string_buffer(p->tmp_buf, p->conf.mysql_pre);
@ -365,7 +368,7 @@ CONNECTION_FUNC(mod_mysql_vhost_handle_docroot) {
buffer_append_string_buffer(p->tmp_buf, con->uri.authority);
buffer_append_string_buffer(p->tmp_buf, p->conf.mysql_post);
}
if (mysql_query(p->conf.mysql, p->tmp_buf->ptr)) {
if (mysql_query(p->conf.mysql, p->tmp_buf->ptr)) {
log_error_write(srv, __FILE__, __LINE__, "s", mysql_error(p->conf.mysql));
goto ERR500;
}
@ -389,7 +392,7 @@ CONNECTION_FUNC(mod_mysql_vhost_handle_docroot) {
log_error_write(srv, __FILE__, __LINE__, "sb", strerror(errno), p->tmp_buf);
goto ERR500;
}
if (!S_ISDIR(sce->st.st_mode)) {
if (!S_ISDIR(sce->st.st_mode)) {
log_error_write(srv, __FILE__, __LINE__, "sb", "Not a directory", p->tmp_buf);
goto ERR500;
}
@ -416,7 +419,8 @@ CONNECTION_FUNC(mod_mysql_vhost_handle_docroot) {
#endif
/* fix virtual server and docroot */
GO_ON: buffer_copy_string_buffer(con->server_name, c->server_name);
GO_ON:
buffer_copy_string_buffer(con->server_name, c->server_name);
buffer_copy_string_buffer(con->physical.doc_root, c->document_root);
#ifdef DEBUG
@ -427,7 +431,8 @@ GO_ON: buffer_copy_string_buffer(con->server_name, c->server_name);
#endif
return HANDLER_GO_ON;
ERR500: if (result) mysql_free_result(result);
ERR500:
if (result) mysql_free_result(result);
#if MYSQL_VERSION_ID >= 40100
while (mysql_next_result(p->conf.mysql) == 0);
#endif

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