Hi Ilia

2009/4/29 Ilia Alshanetsky <il...@php.net>:
> iliaa           Tue Apr 28 22:31:26 2009 UTC
>
>  Modified files:              (Branch: PHP_5_2)
>    /php-src/ext/standard       basic_functions.c
>    /php-src/ext/standard/tests/network ip2long_variation1.phpt
>    /php-src    NEWS
>  Log:
>
>  MFB: Fixed bug #47365 (ip2long() may allow some invalid values on certain
>  64bit systems)
>
>
> http://cvs.php.net/viewvc.cgi/php-src/ext/standard/basic_functions.c?r1=1.725.2.31.2.80&r2=1.725.2.31.2.81&diff_format=u
> Index: php-src/ext/standard/basic_functions.c
> diff -u php-src/ext/standard/basic_functions.c:1.725.2.31.2.80 
> php-src/ext/standard/basic_functions.c:1.725.2.31.2.81
> --- php-src/ext/standard/basic_functions.c:1.725.2.31.2.80      Wed Dec 31 
> 11:17:44 2008
> +++ php-src/ext/standard/basic_functions.c      Tue Apr 28 22:31:25 2009
> @@ -17,7 +17,7 @@
>    +----------------------------------------------------------------------+
>  */
>
> -/* $Id: basic_functions.c,v 1.725.2.31.2.80 2008/12/31 11:17:44 sebastian 
> Exp $ */
> +/* $Id: basic_functions.c,v 1.725.2.31.2.81 2009/04/28 22:31:25 iliaa Exp $ 
> */
>
>  #include "php.h"
>  #include "php_streams.h"
> @@ -4329,38 +4329,45 @@
>  /* }}} */
>  #endif /* HAVE_INET_PTON */
>
> -
> -
>  /* {{{ proto int ip2long(string ip_address)
>    Converts a string containing an (IPv4) Internet Protocol dotted address 
> into a proper address */
>  PHP_FUNCTION(ip2long)
>  {
> -       zval **str;
> +       char *addr;
> +       int addr_len;
> +#ifdef HAVE_INET_PTON
> +       struct in_addr ip;
> +#else
>        unsigned long int ip;
> +#endif
>
> -       if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &str) == 
> FAILURE) {
> -               WRONG_PARAM_COUNT;
> +       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &addr, 
> &addr_len) == FAILURE) {
> +               return;
>        }

This breaks some of the tests because they rely on the old parameter
parsing API in 5_2 (Thanks Antony):

ext/standard/tests/network/ip2long_error.phpt
ext/standard/tests/network/ip2long_variation1.phpt

>
> -       convert_to_string_ex(str);
> -
> -       if (Z_STRLEN_PP(str) == 0 || (ip = inet_addr(Z_STRVAL_PP(str))) == 
> INADDR_NONE) {
> -               /* the only special case when we should return -1 ourselves,
> +#ifdef HAVE_INET_PTON
> +       if (addr_len == 0 || inet_pton(AF_INET, addr, &ip) != 1) {
> +               RETURN_FALSE;
> +       }
> +       RETURN_LONG(ntohl(ip.s_addr));
> +#else
> +       if (addr_len == 0 || (ip = inet_addr(addr)) == INADDR_NONE) {
> +               /* The only special case when we should return -1 ourselves,
>                 * because inet_addr() considers it wrong. We return 
> 0xFFFFFFFF and
> -                * not -1 or ~0 because of 32/64bit issues.
> -                */
> -               if (Z_STRLEN_PP(str) == sizeof("255.255.255.255") - 1 &&
> -                       !memcmp(Z_STRVAL_PP(str), "255.255.255.255", 
> sizeof("255.255.255.255") - 1)) {
> +                * not -1 or ~0 because of 32/64bit issues. */
> +               if (addr_len == sizeof("255.255.255.255") - 1 &&
> +                       !memcmp(addr, "255.255.255.255", 
> sizeof("255.255.255.255") - 1)
> +               ) {
>                        RETURN_LONG(0xFFFFFFFF);
>                }
> -
>                RETURN_FALSE;
>        }
> -
>        RETURN_LONG(ntohl(ip));
> +#endif
>  }
>  /* }}} */
>
> +

-- 
Kalle Sommer Nielsen
ka...@php.net

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