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Fix bug #68095 - invalid read in php_getopt()

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It's a hacky solution and incomplete, but I don't see other way
without refactoring the whole getopt protocol.
This commit is contained in:
Stanislav Malyshev 2014-10-27 19:04:46 -07:00
parent 88527e4569
commit deadeeae1d
2 changed files with 10 additions and 0 deletions
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2
NEWS
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@ -3,6 +3,8 @@ PHP NEWS
?? ??? 2014, PHP 5.5.19
- Core:
. Fixed bug #68095 (AddressSanitizer reports a heap buffer overflow in
php_getopt()). (Stas)
. Fixed bug #68118 ($a->foo .= 'test'; can leave $a->foo undefined). (Nikita)
. Fixed bug #68129 (parse_url() - incomplete support for empty usernames
and passwords) (Tjerk)

8
main/getopt.c
View File

@ -59,9 +59,17 @@ PHPAPI int php_getopt(int argc, char* const *argv, const opt_struct opts[], char
{
static int optchr = 0;
static int dash = 0; /* have already seen the - */
static char **prev_optarg = NULL;
php_optidx = -1;
if(prev_optarg && prev_optarg != optarg) {
/* reset the state */
optchr = 0;
dash = 0;
}
prev_optarg = optarg;
if (*optind >= argc) {
return(EOF);
}