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Doc Bug #53851 socket_create protocol int (IPv6)
Submitted: 2011-01-26 23:36 UTC Modified: 2017-10-24 07:56 UTC
Votes:6
Avg. Score:4.2 ± 1.5
Reproduced:3 of 4 (75.0%)
Same Version:3 (100.0%)
Same OS:2 (66.7%)
From: spandit at stealth dot net Assigned:
Status: Open Package: Sockets related
PHP Version: 5.3.5 OS: FreeBSD 8.x
Private report: No CVE-ID: None
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 [2011-01-26 23:36 UTC] spandit at stealth dot net 
Description:
------------
---
From manual page: http://www.php.net/function.socket-create#Parameters
---

The protocol section needs to be updated to account for the IPv6 protocol numbers.  
For example, calling getprotobyname('icmp') returns 1; or users would enter '1' 
for ICMP.  For IPv6, this would be '58'. To open a raw socket for a ICMPv6, the 
command would be: socket_create(AF_INET6, SOCK_RAW, '58');


Test script:
---------------
<?php

$package = "\x08\x00\x7d\x4b\x00\x00\x00\x00Howdy";

// Write fails in this test
$socket = socket_create(AF_INET6, SOCK_RAW, 1);
socket_write($socket, $package, strlen($package));

// Write successful in this test
$socket = socket_create(AF_INET6, SOCK_RAW, 58);
socket_write($socket, $package, strlen($package)); 

Expected result:
----------------
See above

Actual result:
--------------
See above

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 [2011-01-26 23:39 UTC] spandit at stealth dot net 
Discard;  Perhaps the doc should just be updated to include some IPv6 protocols 
(e.g. ipv6-icmp)
 [2011-01-27 18:45 UTC] spandit at stealth dot net
-Type: Documentation Problem +Type: Bug
 [2011-01-27 18:45 UTC] spandit at stealth dot net 
I'd also like to add that the full IPv6 packet is not passed to socket_read() in 
this particular test.

socket_read() sees:
800046e200000000486f776479
810045e200000000486f776479

tcpdump sees:

12:44:30.720191 IP6 (hlim 64, next-header ICMPv6 (58) payload length: 13) ::1 > 
::1: [icmp6 sum ok] ICMP6, echo request, length 13, seq 0
     0x0000:  6000 0000 000d 3a40 0000 0000 0000 0000  `.....:@........
     0x0010:  0000 0000 0000 0001 0000 0000 0000 0000  ................
     0x0020:  0000 0000 0000 0001 8000 46e2 0000 0000  ..........F.....
     0x0030:  486f 7764 79                             Howdy
12:44:30.720227 IP6 (hlim 64, next-header ICMPv6 (58) payload length: 13) ::1 > 
::1: [icmp6 sum ok] ICMP6, echo reply, length 13, seq 0
     0x0000:  6000 0000 000d 3a40 0000 0000 0000 0000  `.....:@........
     0x0010:  0000 0000 0000 0001 0000 0000 0000 0000  ................
     0x0020:  0000 0000 0000 0001 8100 45e2 0000 0000  ..........E.....
     0x0030:  486f 7764 79                             Howdy
 [2011-01-28 00:36 UTC] aharvey@php.net
-Package: Documentation problem +Package: Sockets related
 [2011-01-28 00:36 UTC] aharvey@php.net 
I don't think there's any great need to put specific IPv6 protocol
information into the manual page, but someone familiar with ICMP
should have a look at the other potential bug.
 [2011-03-15 10:44 UTC] cataphract@php.net
-Status: Open +Status: Assigned -Assigned To: +Assigned To: cataphract
 [2011-03-17 00:46 UTC] cataphract@php.net
-Type: Bug +Type: Documentation Problem
 [2017-10-24 07:56 UTC] kalle@php.net
-Status: Assigned +Status: Open -Assigned To: cataphract +Assigned To:
 
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