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Fix bug #73807

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This commit is contained in:
Nikita Popov 2017-02-02 16:04:02 +01:00
parent 570a273807
commit a15bffd105
2 changed files with 12 additions and 2 deletions
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4
NEWS
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@ -2,6 +2,10 @@ PHP NEWS
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
?? ??? 2017 PHP 7.0.17 ?? ??? 2017 PHP 7.0.17
- Core:
. Fixed bug #73807 (Performance problem with processing large post request).
(Nikita)
- OpenSSL: - OpenSSL:
. Fixed bug #74022 (PHP Fast CGI crashes when reading from a pfx file). . Fixed bug #74022 (PHP Fast CGI crashes when reading from a pfx file).
(Anatol) (Anatol)

10
main/php_variables.c
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@ -239,11 +239,14 @@ typedef struct post_var_data {
char *ptr; char *ptr;
char *end; char *end;
uint64_t cnt; uint64_t cnt;
/* Bytes in ptr that have already been scanned for '&' */
size_t already_scanned;
} post_var_data_t; } post_var_data_t;
static zend_bool add_post_var(zval *arr, post_var_data_t *var, zend_bool eof) static zend_bool add_post_var(zval *arr, post_var_data_t *var, zend_bool eof)
{ {
char *ksep, *vsep, *val; char *start, *ksep, *vsep, *val;
size_t klen, vlen; size_t klen, vlen;
size_t new_vlen; size_t new_vlen;
@ -251,9 +254,11 @@ static zend_bool add_post_var(zval *arr, post_var_data_t *var, zend_bool eof)
return 0; return 0;
} }
vsep = memchr(var->ptr, '&', var->end - var->ptr); start = var->ptr + var->already_scanned;
vsep = memchr(start, '&', var->end - start);
if (!vsep) { if (!vsep) {
if (!eof) { if (!eof) {
var->already_scanned = var->end - var->ptr;
return 0; return 0;
} else { } else {
vsep = var->end; vsep = var->end;
@ -286,6 +291,7 @@ static zend_bool add_post_var(zval *arr, post_var_data_t *var, zend_bool eof)
efree(val); efree(val);
var->ptr = vsep + (vsep != var->end); var->ptr = vsep + (vsep != var->end);
var->already_scanned = 0;
return 1; return 1;
} }