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Remove check on source address of a statistics packet. Check was broken 

by recent IPv6 changes, and since it's redundant with a kernel-level check
anyway, it seems not worth trying to fix it.  Per recent discussions.
This commit is contained in:
Tom Lane 2003-09-07 14:44:40 +00:00
parent 4b407f6c3c
commit 75c35e0f31
1 changed files with 3 additions and 17 deletions
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20
src/backend/postmaster/pgstat.c
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@ -13,7 +13,7 @@
*
* Copyright (c) 2001-2003, PostgreSQL Global Development Group
*
* $Header: /cvsroot/pgsql/src/backend/postmaster/pgstat.c,v 1.43 2003/08/12 16:21:18 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/postmaster/pgstat.c,v 1.44 2003/09/07 14:44:40 tgl Exp $
* ----------
*/
#include "postgres.h"
@ -1591,8 +1591,6 @@ pgstat_recvbuffer(void)
int msg_send = 0; /* next send index in buffer */
int msg_recv = 0; /* next receive index */
int msg_have = 0; /* number of bytes stored */
struct sockaddr_storage fromaddr;
int fromlen;
bool overflow = false;
/*
@ -1702,10 +1700,8 @@ pgstat_recvbuffer(void)
*/
if (FD_ISSET(pgStatSock, &rfds))
{
fromlen = sizeof(fromaddr);
len = recvfrom(pgStatSock, (char *) &input_buffer,
sizeof(PgStat_Msg), 0,
(struct sockaddr *) &fromaddr, &fromlen);
len = recv(pgStatSock, (char *) &input_buffer,
sizeof(PgStat_Msg), 0);
if (len < 0)
{
ereport(LOG,
@ -1726,16 +1722,6 @@ pgstat_recvbuffer(void)
if (input_buffer.msg_hdr.m_size != len)
continue;
/*
* The source address of the packet must be our own socket.
* This ensures that only real hackers or our own backends
* tell us something. (This should be redundant with a
* kernel-level check due to having used connect(), but let's
* do it anyway.)
*/
if (memcmp(&fromaddr, &pgStatAddr, fromlen))
continue;
/*
* O.K. - we accept this message. Copy it to the circular
* msgbuffer.