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Optimization

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This commit is contained in:
Dmitry Stogov 2006-04-07 13:57:27 +00:00
parent 79b3d79a95
commit e9d452b9a9
1 changed files with 48 additions and 54 deletions
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102
main/php_variables.c
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@ -64,7 +64,7 @@ PHPAPI void php_register_variable_ex(char *var, zval *val, zval *track_vars_arra
char *index, *escaped_index = NULL;
int var_len, index_len;
zval *gpc_element, **gpc_element_p;
zend_bool is_array;
zend_bool is_array = 0;
HashTable *symtable1 = NULL;
assert(var != NULL);
@ -83,44 +83,43 @@ PHPAPI void php_register_variable_ex(char *var, zval *val, zval *track_vars_arra
/*
* Prepare variable name
*/
ip = strchr(var, '[');
if (ip) {
is_array = 1;
*ip = 0;
} else {
is_array = 0;
}
/* ignore leading spaces in the variable name */
while (*var && *var==' ') {
var++;
}
var_len = strlen(var);
/* ensure that we don't have spaces or dots in the variable name (not binary safe) */
for (p = var; *p; p++) {
if (*p == ' ' || *p == '.') {
*p='_';
} else if (*p == '[') {
is_array = 1;
ip = p;
*p = 0;
break;
}
}
var_len = p - var;
if (var_len==0) { /* empty variable name, or variable name with a space in it */
zval_dtor(val);
return;
}
/* GLOBALS hijack attempt, reject parameter */
if (symtable1 == EG(active_symbol_table) && !strcmp("GLOBALS", var)) {
if (symtable1 == EG(active_symbol_table) &&
var_len == sizeof("GLOBALS")-1 &&
!memcmp(var, "GLOBALS", sizeof("GLOBALS")-1)) {
zval_dtor(val);
return;
}
/* ensure that we don't have spaces or dots in the variable name (not binary safe) */
for (p=var; *p; p++) {
switch (*p) {
case ' ':
case '.':
*p='_';
break;
}
}
index = var;
index_len = var_len;
while (1) {
if (is_array) {
if (is_array) {
while (1) {
char *index_s;
int new_idx_len = 0;
@ -181,41 +180,36 @@ PHPAPI void php_register_variable_ex(char *var, zval *val, zval *track_vars_arra
} else {
is_array = 0;
}
} else {
}
} else {
plain_var:
MAKE_STD_ZVAL(gpc_element);
gpc_element->value = val->value;
Z_TYPE_P(gpc_element) = Z_TYPE_P(val);
if (!index) {
zend_hash_next_index_insert(symtable1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p);
MAKE_STD_ZVAL(gpc_element);
gpc_element->value = val->value;
Z_TYPE_P(gpc_element) = Z_TYPE_P(val);
if (!index) {
zend_hash_next_index_insert(symtable1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p);
} else {
if (PG(magic_quotes_gpc)) {
escaped_index = php_addslashes(index, index_len, &index_len, 0 TSRMLS_CC);
} else {
zval **tmp;
if (PG(magic_quotes_gpc)) {
escaped_index = php_addslashes(index, index_len, &index_len, 0 TSRMLS_CC);
} else {
escaped_index = index;
}
/*
* According to rfc2965, more specific paths are listed above the less specific ones.
* If we encounter a duplicate cookie name, we should skip it, since it is not possible
* to have the same (plain text) cookie name for the same path and we should not overwrite
* more specific cookies with the less specific ones.
*/
if (PG(http_globals)[TRACK_VARS_COOKIE] && symtable1 == Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_COOKIE]) &&
zend_symtable_find(symtable1, escaped_index, index_len+1, (void **) &tmp) != FAILURE) {
if (index != escaped_index) {
efree(escaped_index);
}
zval_ptr_dtor(&gpc_element);
break;
}
zend_symtable_update(symtable1, escaped_index, index_len + 1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p);
if (index != escaped_index) {
efree(escaped_index);
}
escaped_index = index;
}
/*
* According to rfc2965, more specific paths are listed above the less specific ones.
* If we encounter a duplicate cookie name, we should skip it, since it is not possible
* to have the same (plain text) cookie name for the same path and we should not overwrite
* more specific cookies with the less specific ones.
*/
if (PG(http_globals)[TRACK_VARS_COOKIE] &&
symtable1 == Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_COOKIE]) &&
zend_symtable_exists(symtable1, escaped_index, index_len + 1)) {
zval_ptr_dtor(&gpc_element);
} else {
zend_symtable_update(symtable1, escaped_index, index_len + 1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p);
}
if (escaped_index != index) {
efree(escaped_index);
}
break;
}
}
}