From:             mark dot salisbury at hp dot com
Operating system: hpux
PHP version:      4.3.4
PHP Bug Type:     Sockets related
Bug description:  fsockopen fails when hostname is given

Description:
------------
I was using fsockopen in a script, which worked fine until I upgraded from
version 4.2.0 to 4.3.4.  Oddly, I found a workaround for the bug by
changing my code from:

$fp = fsockopen($server_name, $port, $errno, $errstr);

to:

$fp = fsockopen(gethostbyname($server_name), $port, $errno, $errstr);

Reproduce code:
---------------
fsockopen($server_name, $port, $errno, $errstr);

Expected result:
----------------
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: host
nor service provided, or not known in
/local/apache1.3/htdocs/php_includes/http_post.php on line 45 
Warning: fsockopen(): unable to connect to saturn:81 in
/local/apache1.3/htdocs/php_includes/http_post.php on line 45 

(errno=0 and errstr="error 0", I believe)

The reason I believe this is a bug is that:
a) Isn't fsockopen going to do something similiar to gethostbyname() if
you pass a hostname and not an IP address to fsockopen?  Why does it work
when I pass it an IP address and not the host name?  I would expect
gethostbyname to fail also if my problem were external (DNS).
b) everything worked fine until I upgraded PHP today.


-- 
Edit bug report at http://bugs.php.net/?id=26805&edit=1
-- 
Try a CVS snapshot (php4):  http://bugs.php.net/fix.php?id=26805&r=trysnapshot4
Try a CVS snapshot (php5):  http://bugs.php.net/fix.php?id=26805&r=trysnapshot5
Fixed in CVS:               http://bugs.php.net/fix.php?id=26805&r=fixedcvs
Fixed in release:           http://bugs.php.net/fix.php?id=26805&r=alreadyfixed
Need backtrace:             http://bugs.php.net/fix.php?id=26805&r=needtrace
Need Reproduce Script:      http://bugs.php.net/fix.php?id=26805&r=needscript
Try newer version:          http://bugs.php.net/fix.php?id=26805&r=oldversion
Not developer issue:        http://bugs.php.net/fix.php?id=26805&r=support
Expected behavior:          http://bugs.php.net/fix.php?id=26805&r=notwrong
Not enough info:            http://bugs.php.net/fix.php?id=26805&r=notenoughinfo
Submitted twice:            http://bugs.php.net/fix.php?id=26805&r=submittedtwice
register_globals:           http://bugs.php.net/fix.php?id=26805&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=26805&r=php3
Daylight Savings:           http://bugs.php.net/fix.php?id=26805&r=dst
IIS Stability:              http://bugs.php.net/fix.php?id=26805&r=isapi
Install GNU Sed:            http://bugs.php.net/fix.php?id=26805&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=26805&r=float

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