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From: "Sascha Kersken" <sk@lingoworld.de>
To: <dev@httpd.apache.org>
Subject: httpd 2.2.3 segfaults using mod_authn_dbd/sqlite
Date: Sun, 12 Nov 2006 02:14:04 +0100
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Hi,

when I try to use mod_authn_dbd with sqlite3 driver (the mysql driver 
doesn't compile at all with any of the partly contradictory instructions on 
the web, btw), I encounter the following segfault message:

   /usr/local/apache2/bin/apachectl: line 78: 24956 Segmentation fault
$HTTPD -k $ARGV

The operating system is SUSE Linux 10.1. I compiled the server myself;
here's the setup:

Server version: Apache/2.2.3
Server built:   Nov  1 2006 21:24:12
Server's Module Magic Number: 20051115:3
Server loaded:  APR 1.2.7, APR-Util 1.2.7
Compiled using: APR 1.2.7, APR-Util 1.2.7
Architecture:   32-bit
Server MPM:     Prefork
  threaded:     no
    forked:     yes (variable process count)
Server compiled with....
 -D APACHE_MPM_DIR="server/mpm/prefork"
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_SYSVSEM_SERIALIZE
 -D APR_USE_PTHREAD_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D DYNAMIC_MODULE_LIMIT=128
 -D HTTPD_ROOT="/usr/local/apache2"
 -D SUEXEC_BIN="/usr/local/apache2/bin/suexec"
 -D DEFAULT_PIDLOG="logs/httpd.pid"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_LOCKFILE="logs/accept.lock"
 -D DEFAULT_ERRORLOG="logs/error_log"
 -D AP_TYPES_CONFIG_FILE="conf/mime.types"
 -D SERVER_CONFIG_FILE="conf/httpd.conf"


This is the dbd/authn_dbd part of httpd.conf:

DBDriver sqlite3
DBDParams "/usr/local/apache2/conf/_htusers"

DBDMin 1
DBDKeep 2
DBDMax 5
DBDExpTime 30

<Location /secret>
  AuthType Basic
  AuthName Test
  AuthBasicProvider dbd
  Require valid-user
  AuthDBDUserPWQuery "select pass from htusers where user=%s"
</Location>


Did anyone encounter anything similar? Did I make a mistake, or is it a bug?


Thanks in advance
Sascha


P.S.: I tried to send this question to the users' mailing list a few days 
ago but unfortunately I got no reply.