From: Moriyoshi Koizumi <moriyoshi@php.net>
Date: Mon, 21 Feb 2005 15:14:02 +0000 (+0000)
Subject: - Fix bug #28568 (known_post_content_types is not thread safe).
X-Git-Tag: RELEASE_0_3~279
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0d7845384fe62648f1feb6336449144f9416a80f;p=php

- Fix bug #28568 (known_post_content_types is not thread safe).
# What is eventually necessiated is entire SAPI redesign, I think.
---

diff --git a/ext/mbstring/mb_gpc.c b/ext/mbstring/mb_gpc.c
index 20729330b7..4e55504bd5 100644
--- a/ext/mbstring/mb_gpc.c
+++ b/ext/mbstring/mb_gpc.c
@@ -48,49 +48,22 @@
 
 ZEND_EXTERN_MODULE_GLOBALS(mbstring)
 
-/* {{{ static sapi_post_entry mbstr_post_entries[] */
-static sapi_post_entry mbstr_post_entries[] = {
-	{ DEFAULT_POST_CONTENT_TYPE, sizeof(DEFAULT_POST_CONTENT_TYPE)-1, sapi_read_standard_form_data, php_mb_post_handler },
-	{ MULTIPART_CONTENT_TYPE,    sizeof(MULTIPART_CONTENT_TYPE)-1,    NULL,                         rfc1867_post_handler },
-	{ NULL, 0, NULL, NULL }
-};
-/* }}} */
-
-/* {{{ static sapi_post_entry php_post_entries[] */
-static sapi_post_entry php_post_entries[] = {
-	{ DEFAULT_POST_CONTENT_TYPE, sizeof(DEFAULT_POST_CONTENT_TYPE)-1, sapi_read_standard_form_data,	php_std_post_handler },
-	{ MULTIPART_CONTENT_TYPE,    sizeof(MULTIPART_CONTENT_TYPE)-1,    NULL,                         rfc1867_post_handler },
-	{ NULL, 0, NULL, NULL }
-};
-/* }}} */
-
-/* {{{ int _php_mb_enable_encoding_translation(int flag) */
-int _php_mb_enable_encoding_translation(int flag)
-{
-	if (flag) {
-		sapi_unregister_post_entry(php_post_entries);
-		sapi_register_post_entries(mbstr_post_entries);
-		sapi_register_treat_data(mbstr_treat_data);	   			   
-	} else {
-		sapi_unregister_post_entry(mbstr_post_entries);
-		sapi_register_post_entries(php_post_entries);
-		sapi_register_treat_data(php_default_treat_data);	   			   
-	}
-	return SUCCESS;
-}
-/* }}} */ 
-
 /* {{{ MBSTRING_API SAPI_TREAT_DATA_FUNC(mbstr_treat_data)
  * http input processing */
 MBSTRING_API SAPI_TREAT_DATA_FUNC(mbstr_treat_data)
 {
 	char *res = NULL, *separator=NULL;
 	const char *c_var;
-	pval *array_ptr;
+	zval *array_ptr;
 	int free_buffer=0;
 	enum mbfl_no_encoding detected;
 	php_mb_encoding_handler_info_t info;
 
+	if (!MBSTRG(encoding_translation)) {
+		php_default_treat_data(arg, str, destArray TSRMLS_CC);
+		return;
+	}
+
 	switch (arg) {
 		case PARSE_POST:
 		case PARSE_GET:
diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
index 0988a66078..37b4db84c0 100644
--- a/ext/mbstring/mbstring.c
+++ b/ext/mbstring/mbstring.c
@@ -227,6 +227,14 @@ zend_module_entry mbstring_module_entry = {
 };
 /* }}} */
 
+/* {{{ static sapi_post_entry php_post_entries[] */
+static sapi_post_entry php_post_entries[] = {
+	{ DEFAULT_POST_CONTENT_TYPE, sizeof(DEFAULT_POST_CONTENT_TYPE)-1, sapi_read_standard_form_data,	php_std_post_handler },
+	{ MULTIPART_CONTENT_TYPE,    sizeof(MULTIPART_CONTENT_TYPE)-1,    NULL,                         rfc1867_post_handler },
+	{ NULL, 0, NULL, NULL }
+};
+/* }}} */
+
 ZEND_DECLARE_MODULE_GLOBALS(mbstring)
 
 #ifdef COMPILE_DL_MBSTRING
@@ -283,6 +291,14 @@ static mbfl_allocators _php_mb_allocators = {
 };
 /* }}} */
 
+/* {{{ static sapi_post_entry mbstr_post_entries[] */
+static sapi_post_entry mbstr_post_entries[] = {
+	{ DEFAULT_POST_CONTENT_TYPE, sizeof(DEFAULT_POST_CONTENT_TYPE)-1, sapi_read_standard_form_data, php_mb_post_handler },
+	{ MULTIPART_CONTENT_TYPE,    sizeof(MULTIPART_CONTENT_TYPE)-1,    NULL,                         rfc1867_post_handler },
+	{ NULL, 0, NULL, NULL }
+};
+/* }}} */
+
 /* {{{ static int php_mb_parse_encoding_list()
  *  Return 0 if input contains any illegal encoding, otherwise 1.
  *  Even if any illegal encoding is detected the result may contain a list 
@@ -680,10 +696,13 @@ static PHP_INI_MH(OnUpdate_mbstring_encoding_translation)
 
 	OnUpdateBool(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
 
-	if (MBSTRG(encoding_translation)){
-		_php_mb_enable_encoding_translation(1);
+	if (MBSTRG(encoding_translation)) {
+		sapi_unregister_post_entry(php_post_entries TSRMLS_CC);
+		sapi_register_post_entries(mbstr_post_entries TSRMLS_CC);
+		sapi_register_treat_data(mbstr_treat_data);
 	} else {
-		_php_mb_enable_encoding_translation(0);
+		sapi_unregister_post_entry(mbstr_post_entries TSRMLS_CC);
+		sapi_register_post_entries(php_post_entries TSRMLS_CC);
 	}
 
 	return SUCCESS;
@@ -774,7 +793,8 @@ PHP_MINIT_FUNCTION(mbstring)
 	REGISTER_INI_ENTRIES();
 
 	if (MBSTRG(encoding_translation)) {
-		_php_mb_enable_encoding_translation(1);
+		sapi_register_post_entries(mbstr_post_entries TSRMLS_CC);
+		sapi_register_treat_data(mbstr_treat_data);
 	}
 
 	REGISTER_LONG_CONSTANT("MB_OVERLOAD_MAIL", MB_OVERLOAD_MAIL, CONST_CS | CONST_PERSISTENT);
@@ -809,10 +829,6 @@ PHP_MSHUTDOWN_FUNCTION(mbstring)
 		free(MBSTRG(detect_order_list));
 	}
 
-	if (MBSTRG(encoding_translation)) {
-		_php_mb_enable_encoding_translation(0);
-	}
-
 #if HAVE_MBREGEX
 	PHP_MSHUTDOWN(mb_regex) (INIT_FUNC_ARGS_PASSTHRU);
 #endif
diff --git a/main/SAPI.c b/main/SAPI.c
index a729eb5c4f..c87d585883 100644
--- a/main/SAPI.c
+++ b/main/SAPI.c
@@ -51,8 +51,6 @@
 
 #include "php_content_types.h"
 
-static HashTable known_post_content_types;
-
 #ifdef ZTS
 SAPI_API int sapi_globals_id;
 #else
@@ -62,6 +60,13 @@ sapi_globals_struct sapi_globals;
 static void sapi_globals_ctor(sapi_globals_struct *sapi_globals TSRMLS_DC)
 {
 	memset(sapi_globals, 0, sizeof(*sapi_globals));
+	zend_hash_init_ex(&sapi_globals->known_post_content_types, 5,
+			NULL, NULL, 1, 0);
+}
+
+static void sapi_globals_dtor(sapi_globals_struct *sapi_globals TSRMLS_DC)
+{
+	zend_hash_destroy(&sapi_globals->known_post_content_types);
 }
 
 /* True globals (no need for thread safety) */
@@ -71,11 +76,11 @@ SAPI_API sapi_module_struct sapi_module;
 SAPI_API void sapi_startup(sapi_module_struct *sf)
 {
 	sapi_module = *sf;
-	zend_hash_init_ex(&known_post_content_types, 5, NULL, NULL, 1, 0);
 
 #ifdef ZTS
-	ts_allocate_id(&sapi_globals_id, sizeof(sapi_globals_struct), (ts_allocate_ctor) sapi_globals_ctor, NULL);
+	ts_allocate_id(&sapi_globals_id, sizeof(sapi_globals_struct), (ts_allocate_ctor) sapi_globals_ctor, (ts_allocate_dtor) sapi_globals_dtor);
 #else
+	TSRMLS_FETCH();
 	sapi_globals_ctor(&sapi_globals TSRMLS_CC);
 #endif
 
@@ -90,6 +95,13 @@ SAPI_API void sapi_startup(sapi_module_struct *sf)
 
 SAPI_API void sapi_shutdown(void)
 {
+#ifdef ZTS
+	ts_free_id(&sapi_globals_id);
+#else
+	TSRMLS_FETCH();
+	sapi_globals_dtor(&sapi_globals TSRMLS_CC);
+#endif
+
 	reentrancy_shutdown();
 
 	virtual_cwd_shutdown();
@@ -97,8 +109,6 @@ SAPI_API void sapi_shutdown(void)
 #ifdef PHP_WIN32
 	tsrm_win32_shutdown();
 #endif
-
-	zend_hash_destroy(&known_post_content_types);
 }
 
 
@@ -151,7 +161,8 @@ static void sapi_read_post_data(TSRMLS_D)
 	}
 
 	/* now try to find an appropriate POST content handler */
-	if (zend_hash_find(&known_post_content_types, content_type, content_type_length+1, (void **) &post_entry) == SUCCESS) {
+	if (zend_hash_find(&SG(known_post_content_types), content_type,
+			content_type_length+1, (void **) &post_entry) == SUCCESS) {
 		/* found one, register it for use */
 		SG(request_info).post_entry = post_entry;
 		post_reader_func = post_entry->post_reader;
@@ -802,12 +813,12 @@ SAPI_API int sapi_send_headers(TSRMLS_D)
 }
 
 
-SAPI_API int sapi_register_post_entries(sapi_post_entry *post_entries)
+SAPI_API int sapi_register_post_entries(sapi_post_entry *post_entries TSRMLS_DC)
 {
 	sapi_post_entry *p=post_entries;
 
 	while (p->content_type) {
-		if (sapi_register_post_entry(p) == FAILURE) {
+		if (sapi_register_post_entry(p TSRMLS_CC) == FAILURE) {
 			return FAILURE;
 		}
 		p++;
@@ -816,14 +827,17 @@ SAPI_API int sapi_register_post_entries(sapi_post_entry *post_entries)
 }
 
 
-SAPI_API int sapi_register_post_entry(sapi_post_entry *post_entry)
+SAPI_API int sapi_register_post_entry(sapi_post_entry *post_entry TSRMLS_DC)
 {
-	return zend_hash_add(&known_post_content_types, post_entry->content_type, post_entry->content_type_len+1, (void *) post_entry, sizeof(sapi_post_entry), NULL);
+	return zend_hash_add(&SG(known_post_content_types),
+			post_entry->content_type, post_entry->content_type_len+1,
+			(void *) post_entry, sizeof(sapi_post_entry), NULL);
 }
 
-SAPI_API void sapi_unregister_post_entry(sapi_post_entry *post_entry)
+SAPI_API void sapi_unregister_post_entry(sapi_post_entry *post_entry TSRMLS_DC)
 {
-	zend_hash_del(&known_post_content_types, post_entry->content_type, post_entry->content_type_len+1);
+	zend_hash_del(&SG(known_post_content_types), post_entry->content_type,
+			post_entry->content_type_len+1);
 }
 
 
diff --git a/main/SAPI.h b/main/SAPI.h
index 11965fccf9..ca6836a0cb 100644
--- a/main/SAPI.h
+++ b/main/SAPI.h
@@ -126,6 +126,7 @@ typedef struct _sapi_globals_struct {
 	int options;
 	zend_bool sapi_started;
 	time_t global_request_time;
+	HashTable known_post_content_types;
 } sapi_globals_struct;
 
 
@@ -180,9 +181,9 @@ SAPI_API int sapi_send_headers(TSRMLS_D);
 SAPI_API void sapi_free_header(sapi_header_struct *sapi_header);
 SAPI_API void sapi_handle_post(void *arg TSRMLS_DC);
 
-SAPI_API int sapi_register_post_entries(sapi_post_entry *post_entry);
-SAPI_API int sapi_register_post_entry(sapi_post_entry *post_entry);
-SAPI_API void sapi_unregister_post_entry(sapi_post_entry *post_entry);
+SAPI_API int sapi_register_post_entries(sapi_post_entry *post_entry TSRMLS_DC);
+SAPI_API int sapi_register_post_entry(sapi_post_entry *post_entry TSRMLS_DC);
+SAPI_API void sapi_unregister_post_entry(sapi_post_entry *post_entry TSRMLS_DC);
 SAPI_API int sapi_register_default_post_reader(void (*default_post_reader)(TSRMLS_D));
 SAPI_API int sapi_register_treat_data(void (*treat_data)(int arg, char *str, zval *destArray TSRMLS_DC));
 SAPI_API int sapi_register_input_filter(unsigned int (*input_filter)(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len TSRMLS_DC));
diff --git a/main/main.c b/main/main.c
index 66df888864..fd5283702d 100644
--- a/main/main.c
+++ b/main/main.c
@@ -1415,7 +1415,7 @@ int php_module_startup(sapi_module_struct *sf, zend_module_entry *additional_mod
 	zuv.import_use_extension = ".php";
 	php_startup_auto_globals(TSRMLS_C);
 	zend_set_utility_values(&zuv);
-	php_startup_sapi_content_types();
+	php_startup_sapi_content_types(TSRMLS_C);
 
 	REGISTER_MAIN_STRINGL_CONSTANT("PHP_VERSION", PHP_VERSION, sizeof(PHP_VERSION)-1, CONST_PERSISTENT | CONST_CS);
 	REGISTER_MAIN_STRINGL_CONSTANT("PHP_OS", php_os, strlen(php_os), CONST_PERSISTENT | CONST_CS);
diff --git a/main/php_content_types.c b/main/php_content_types.c
index 3dfabf840a..bf9ad54645 100644
--- a/main/php_content_types.c
+++ b/main/php_content_types.c
@@ -72,9 +72,9 @@ SAPI_API SAPI_POST_READER_FUNC(php_default_post_reader)
 
 /* {{{ php_startup_sapi_content_types
  */
-int php_startup_sapi_content_types(void)
+int php_startup_sapi_content_types(TSRMLS_D)
 {
-	sapi_register_post_entries(php_post_entries);
+	sapi_register_post_entries(php_post_entries TSRMLS_CC);
 	sapi_register_default_post_reader(php_default_post_reader);
 	sapi_register_treat_data(php_default_treat_data);
 	sapi_register_input_filter(php_default_input_filter);
diff --git a/main/php_content_types.h b/main/php_content_types.h
index deab9271b1..e04f6dc45d 100644
--- a/main/php_content_types.h
+++ b/main/php_content_types.h
@@ -25,6 +25,6 @@
 
 SAPI_API SAPI_POST_READER_FUNC(php_default_post_reader);
 SAPI_API SAPI_POST_HANDLER_FUNC(php_std_post_handler);
-int php_startup_sapi_content_types(void);
+int php_startup_sapi_content_types(TSRMLS_D);
 
 #endif /* PHP_CONTENT_TYPES_H */