Обсуждение: Require Assistance Solving Problem - erroneous pg_hba.conf

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Require Assistance Solving Problem - erroneous pg_hba.conf

От
"Greg Kelley"
Дата:
After messing with this all week and getting nowhere, I'm ready to pay
someone to call me at 800-481-5022 ext 3005 to get this resolved ASAP. Our
online scheduling system has been down all week and the troops are ready to
revolt. Background:

A RedHat Upgrade  Saturday from 8.0 to 9.0 just did a 'minor' version
upgrade from 7.3.1 to 7.3.2. However, I have not been able to get a
connection since
the upgrade. Postmaster loads fine, but I get:

FATAL: Missing or erroneous pg_hba.conf file, see postmaster log for details

Here is my pg_hba.conf file (from /var/lib/pgsql/data) that has always
worked:

# TYPE  DATABASE    USER        IP-ADDRESS        IP-MASK           METHOD

local   all        all
trust
host    all        all                     127.0.0.1      255.255.255.255
trust
host    all        all                     192.168.1.0    255.255.255.0
trust
host    all        all                     24.128.216.179    255.255.255.255
md5
host    all        all                     217.33.107.74    255.255.255.248
md5

I even reloaded the entire data directory from tape backup. Postgresql.conf
file is the
default - all lines commented out. Postmaster starts with:

su -l postgres -s /bin/sh -c "/usr/bin/pg_ctl -D $PGDATA -p
/usr/bin/postmaster -o '-i -p ${PGPORT}' start  > /var/log/pgsql 2>&1" <
/dev/null

(where $PGDATA is /var/lib/pgsql/data and $PGPORT is 5432)

pgsql log shows:

FATAL:  Missing or erroneous pg_hba.conf file, see postmaster log for
details
"OG:  parse_hba: invalid syntax in pg_hba.conf file at line 31, token "

Even the log entry doesn't look right - double quotes - and the .conf file
certainly doesn't have 31 lines!

Please call if you have any ideas how to fix this. Thanks.

________________________
Greg Kelley, IT Director
Britannic Aviation, US and UK
US Office:
Pease Int'l Tradeport
68 New Hampshire Ave.
Portsmouth, NH  03801
603.766.3005
http://www.britannicaviation.com
AOPA, EAA, SSA
CFII SEL, MEL; Comm Glider


Re: Require Assistance Solving Problem - erroneous pg_hba.conf

От
Tom Lane
Дата:
"Greg Kelley" <gkelley@britannicaviation.com> writes:
> pgsql log shows:

> FATAL:  Missing or erroneous pg_hba.conf file, see postmaster log for
> details
> "OG:  parse_hba: invalid syntax in pg_hba.conf file at line 31, token "

> Even the log entry doesn't look right - double quotes - and the .conf file
> certainly doesn't have 31 lines!

Indeed.  I think it's a Windows-newline issue: you probably edited the
config file with something that put in \r\n instead of \n.  The
overstruck LOG is a dead giveaway...

I thought we had fixed the various config file parsers to be reasonably
impervious to stray \r's, but you may have found a corner case where
it's not recognized as whitespace.  Try getting rid of the \r's.

            regards, tom lane


Re: Require Assistance Solving Problem - erroneous pg_hba.conf

От
Bruce Momjian
Дата:
Tom Lane wrote:
> "Greg Kelley" <gkelley@britannicaviation.com> writes:
> > pgsql log shows:
>
> > FATAL:  Missing or erroneous pg_hba.conf file, see postmaster log for
> > details
> > "OG:  parse_hba: invalid syntax in pg_hba.conf file at line 31, token "
>
> > Even the log entry doesn't look right - double quotes - and the .conf file
> > certainly doesn't have 31 lines!
>
> Indeed.  I think it's a Windows-newline issue: you probably edited the
> config file with something that put in \r\n instead of \n.  The
> overstruck LOG is a dead giveaway...
>
> I thought we had fixed the various config file parsers to be reasonably
> impervious to stray \r's, but you may have found a corner case where
> it's not recognized as whitespace.  Try getting rid of the \r's.

Also, please don't wait a week and have your users frustrated before
asking for assistance --- we are here to help.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073


Re: Require Assistance Solving Problem - erroneous pg_hba.conf

От
Tom Lane
Дата:
"Greg Kelley" <gkelley@britannicaviation.com> writes:
> A RedHat Upgrade  Saturday from 8.0 to 9.0 just did a 'minor' version
> upgrade from 7.3.1 to 7.3.2.
> [ and broke his pg_hba.conf ]

Ah-hah, I now know where the behavioral change came from: the Red Hat
RPMs contain this patch:

--- postgresql-7.3.2/src/backend/libpq/hba.c.sopwith    2003-01-09 09:09:01.000000000 -0500
+++ postgresql-7.3.2/src/backend/libpq/hba.c    2003-01-09 09:09:09.000000000 -0500
@@ -72,11 +72,13 @@
  * Some standard C libraries, including GNU, have an isblank() function.
  * Others, including Solaris, do not.  So we have our own.
  */
+#ifndef isblank
 static bool
 isblank(const char c)
 {
        return c == ' ' || c == '\t' || c == '\r';
 }
+#endif


 /*

which on RHL 9 causes the system definition of isblank() to be
substituted for Postgres'.  That means \r is no longer treated as
whitespace, as it was in prior versions.

There is a fix in our CVS tree that prevents this problem and restores
the old treatment of \r, but for now you gotta get rid of the Windows-
style newlines.

            regards, tom lane


Re: Require Assistance Solving Problem - erroneous pg_hba.conf

От
"Greg Kelley"
Дата:
Never had them that I can tell - created a new .conf file using vi so I know
it was clean as I was testing. Uninstall/reinstall RPMs worked - sort of.
Now I'm getting pgadmin-II to blow up saying:

2003-04-17 12:27:17 - Error in pgAdmin
II:frmConnect.cmdConnect_Click: -2147417848 - Automation error
The object invoked has disconnected from its clients.

and my php-pgsql is showing:

pg_exec() query failed: ERROR: Bad date external representation

(but this may be a version out of sync as I just installed the php-pgsql
DSO)

...so all still isn't well in dodge...

I can run psql, connect to the scheduler database, do a SELECT, etc.


----- Original Message -----
From: "Tom Lane" <tgl@sss.pgh.pa.us>
To: "Greg Kelley" <gkelley@britannicaviation.com>
Cc: <pgsql-admin@postgresql.org>; "Bruce Momjian" <pgman@candle.pha.pa.us>;
"Joe Conway" <mail@joeconway.com>
Sent: 17 April, 2003 12:53 PM
Subject: Re: [ADMIN] Require Assistance Solving Problem - erroneous
pg_hba.conf


"Greg Kelley" <gkelley@britannicaviation.com> writes:
> A RedHat Upgrade  Saturday from 8.0 to 9.0 just did a 'minor' version
> upgrade from 7.3.1 to 7.3.2.
> [ and broke his pg_hba.conf ]

Ah-hah, I now know where the behavioral change came from: the Red Hat
RPMs contain this patch:

--- postgresql-7.3.2/src/backend/libpq/hba.c.sopwith    2003-01-09
09:09:01.000000000 -0500
+++ postgresql-7.3.2/src/backend/libpq/hba.c    2003-01-09
09:09:09.000000000 -0500
@@ -72,11 +72,13 @@
  * Some standard C libraries, including GNU, have an isblank() function.
  * Others, including Solaris, do not.  So we have our own.
  */
+#ifndef isblank
 static bool
 isblank(const char c)
 {
        return c == ' ' || c == '\t' || c == '\r';
 }
+#endif


 /*

which on RHL 9 causes the system definition of isblank() to be
substituted for Postgres'.  That means \r is no longer treated as
whitespace, as it was in prior versions.

There is a fix in our CVS tree that prevents this problem and restores
the old treatment of \r, but for now you gotta get rid of the Windows-
style newlines.

regards, tom lane


Re: Require Assistance Solving Problem - erroneous pg_hba.conf

От
Bruce Momjian
Дата:
Yep, makes sense.  This is clearly our bug because we overrode a
standard C function with one that didn't behave the same.  My man page
says isblank tests only for space and tab, while we added \r to handle
DOS files cleanly.

---------------------------------------------------------------------------

Tom Lane wrote:
> "Greg Kelley" <gkelley@britannicaviation.com> writes:
> > A RedHat Upgrade  Saturday from 8.0 to 9.0 just did a 'minor' version
> > upgrade from 7.3.1 to 7.3.2.
> > [ and broke his pg_hba.conf ]
>
> Ah-hah, I now know where the behavioral change came from: the Red Hat
> RPMs contain this patch:
>
> --- postgresql-7.3.2/src/backend/libpq/hba.c.sopwith    2003-01-09 09:09:01.000000000 -0500
> +++ postgresql-7.3.2/src/backend/libpq/hba.c    2003-01-09 09:09:09.000000000 -0500
> @@ -72,11 +72,13 @@
>   * Some standard C libraries, including GNU, have an isblank() function.
>   * Others, including Solaris, do not.  So we have our own.
>   */
> +#ifndef isblank
>  static bool
>  isblank(const char c)
>  {
>         return c == ' ' || c == '\t' || c == '\r';
>  }
> +#endif
>
>
>  /*
>
> which on RHL 9 causes the system definition of isblank() to be
> substituted for Postgres'.  That means \r is no longer treated as
> whitespace, as it was in prior versions.
>
> There is a fix in our CVS tree that prevents this problem and restores
> the old treatment of \r, but for now you gotta get rid of the Windows-
> style newlines.
>
>             regards, tom lane
>

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073


Re: Require Assistance Solving Problem - erroneous pg_hba.conf

От
dalgoda@ix.netcom.com (Mike Castle)
Дата:
In article <10547.1050590455@sss.pgh.pa.us>,
Tom Lane  <tgl@sss.pgh.pa.us> wrote:
>I thought we had fixed the various config file parsers to be reasonably
>impervious to stray \r's, but you may have found a corner case where
>it's not recognized as whitespace.  Try getting rid of the \r's.

I hate to jump on band-wagons, but..... would switching to an XML based
config file be worth it?

I was also wondering how XML would work for dump/restore.

mrc
--
     Mike Castle      dalgoda@ix.netcom.com      www.netcom.com/~dalgoda/
    We are all of us living in the shadow of Manhattan.  -- Watchmen
fatal ("You are in a maze of twisty compiler features, all different"); -- gcc