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Fixed bug #24883 (variables created through register_globals, ignore

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gpc_order and variables_order).
Prevent multiple registration of ENV & SERVER variables when more then one
is specified.
Prevent multiple addition of GET/POST/COOKIE variables when building
_REQUEST.
This commit is contained in:
Ilia Alshanetsky 2003-07-31 22:29:32 +00:00
parent ecbcd7f59f
commit 0eb76eb2ec
1 changed files with 39 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

45
main/php_variables.c
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@ -537,7 +537,7 @@ static zend_bool php_auto_globals_create_request(char *name, uint name_len TSRML
int php_hash_environment(TSRMLS_D)
{
char *p;
unsigned char _gpc_flags[3] = {0, 0, 0};
unsigned char _gpc_flags[5] = {0, 0, 0, 0, 0};
zend_bool have_variables_order;
zval *dummy_track_vars_array = NULL;
zend_bool initialized_dummy_track_vars_array=0;
@ -575,6 +575,9 @@ int php_hash_environment(TSRMLS_D)
array_init(PG(http_globals)[TRACK_VARS_ENV]);
INIT_PZVAL(PG(http_globals)[TRACK_VARS_ENV]);
php_import_environment_variables(PG(http_globals)[TRACK_VARS_ENV] TSRMLS_CC);
if (PG(register_globals)) {
php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_ENV]) TSRMLS_CC);
}
}
for (p=variables_order; p && *p; p++) {
@ -584,6 +587,9 @@ int php_hash_environment(TSRMLS_D)
if (!_gpc_flags[0] && !SG(headers_sent) && SG(request_info).request_method && !strcasecmp(SG(request_info).request_method, "POST")) {
sapi_module.treat_data(PARSE_POST, NULL, NULL TSRMLS_CC); /* POST Data */
_gpc_flags[0]=1;
if (PG(register_globals)) {
php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_POST]) TSRMLS_CC);
}
}
break;
case 'c':
@ -591,6 +597,9 @@ int php_hash_environment(TSRMLS_D)
if (!_gpc_flags[1]) {
sapi_module.treat_data(PARSE_COOKIE, NULL, NULL TSRMLS_CC); /* Cookie Data */
_gpc_flags[1]=1;
if (PG(register_globals)) {
php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_COOKIE]) TSRMLS_CC);
}
}
break;
case 'g':
@ -598,36 +607,42 @@ int php_hash_environment(TSRMLS_D)
if (!_gpc_flags[2]) {
sapi_module.treat_data(PARSE_GET, NULL, NULL TSRMLS_CC); /* GET Data */
_gpc_flags[2]=1;
if (PG(register_globals)) {
php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_GET]) TSRMLS_CC);
}
}
break;
case 'e':
case 'E':
if (!jit_initialization) {
if (!jit_initialization && !_gpc_flags[3]) {
if (have_variables_order) {
php_auto_globals_create_env("_ENV", sizeof("_ENV")-1 TSRMLS_CC);
if (PG(register_globals)) {
php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_ENV]) TSRMLS_CC);
}
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unsupported 'e' element (environment) used in gpc_order - use variables_order instead");
}
_gpc_flags[3]=1;
}
break;
case 's':
case 'S':
if (!jit_initialization) {
if (!jit_initialization && !_gpc_flags[4]) {
php_register_server_variables(TSRMLS_C);
_gpc_flags[4]=1;
if (PG(register_globals)) {
php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]) TSRMLS_CC);
}
}
break;
}
}
if (!jit_initialization && !have_variables_order) {
if (!jit_initialization && !_gpc_flags[4]) {
php_register_server_variables(TSRMLS_C);
}
if (PG(register_globals)) {
for (i = 0; i < 5; i++) {
if (PG(http_globals)[i]) {
php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[i]) TSRMLS_CC);
}
php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]) TSRMLS_CC);
}
}
@ -704,6 +719,7 @@ static zend_bool php_auto_globals_create_request(char *name, uint name_len TSRML
{
zval *form_variables;
char *variables_order;
unsigned char _gpc_flags[3] = {0, 0, 0};
char *p;
if (PG(variables_order)) {
@ -720,15 +736,24 @@ static zend_bool php_auto_globals_create_request(char *name, uint name_len TSRML
switch (*p) {
case 'g':
case 'G':
if (!_gpc_flags[0]) {
php_autoglobal_merge(Z_ARRVAL_P(form_variables), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_GET]) TSRMLS_CC);
_gpc_flags[0] = 1;
}
break;
case 'p':
case 'P':
if (!_gpc_flags[1]) {
php_autoglobal_merge(Z_ARRVAL_P(form_variables), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_POST]) TSRMLS_CC);
_gpc_flags[1] = 1;
}
break;
case 'c':
case 'C':
if (!_gpc_flags[2]) {
php_autoglobal_merge(Z_ARRVAL_P(form_variables), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_COOKIE]) TSRMLS_CC);
_gpc_flags[2] = 1;
}
break;
}
}