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Date:      Mon, 13 Sep 2004 02:13:20 +0200
From:      Christian Reiss <email@demonlord.de>
To:        freebsd-current@freebsd.org
Subject:   FreeBSD / PostFix / Sasl / PAM
Message-ID:  <4144E620.8070603@demonlord.de>

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Greetings!

I hope I picked the right discussion list for this.
I am having trouble with FreeBSD-latest and
Postfix / SASL2 / PAM authentification.

It seems the saslauthd is core'dumping all the time,
that is, when a user tried to auth him/herself per
smtp.

PostFix uses a configuration file that is known to
work on another system, I tripple checked that.
I am pretty sure the problem lies within the sasl2
stuff somewhere.

Nearly all HowTo's on the net either deal with
Sasl/Pam_mysql or deal with pam (what i need) but
dont help me.




/var/log/maillog
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
Sep 12 23:55:54 alpha-labs postfix/smtpd[20053]: warning: 
user.host.com[1.2.3.4]: SASL PLAIN authentication failed
Sep 12 23:55:54 alpha-labs postfix/smtpd[20053]: warning: SASL 
authentication failure: size read failed
Sep 12 23:55:54 alpha-labs postfix/smtpd[20053]: warning: 
user.host.com[1.2.3.4]: SASL LOGIN authentication failed
Sep 12 23:56:02 alpha-labs postfix/smtpd[20053]: lost connection after 
AUTH from user.host.com[1.2.3.4]
Sep 12 23:56:02 alpha-labs postfix/smtpd[20053]: disconnect from 
user.host.com[1.2.3.4]
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


/var/log/messages
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
Sep 12 23:55:54 myhost kernel: pid 20047 (saslauthd), uid 0: exited on 
signal 11 (core dumped)
Sep 12 23:55:54 myhost kernel: pid 20048 (saslauthd), uid 0: exited on 
signal 11 (core dumped)
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


uname -a
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
FreeBSD alpha-labs 6.0-CURRENT FreeBSD 6.0-CURRENT #0: Tue Sep  7 
15:13:48 CEST 2004     root@:/usr/obj/usr/src/sys/ALPHALABS  i386
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
root@alpha-labs:~# postconf -m
static
sdbm
cidr
pcre
regexp
environ
proxy
btree
unix
hash
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
root@alpha-labs:/usr/ports/security/cyrus-sasl2-saslauthd# saslauthd -a 
pam -d
saslauthd[20046] :main            : num_procs  : 5
saslauthd[20046] :main            : mech_option: NULL
saslauthd[20046] :main            : run_path   : /var/state/saslauthd
saslauthd[20046] :main            : auth_mech  : pam
saslauthd[20046] :ipc_init        : using accept lock file: 
/var/state/saslauthd/mux.accept
saslauthd[20046] :detach_tty      : master pid is: 0
saslauthd[20046] :ipc_init        : listening on socket: 
/var/state/saslauthd/mux
saslauthd[20046] :main            : using process model
saslauthd[20046] :have_baby       : forked child: 20047
saslauthd[20047] :get_accept_lock : acquired accept lock
saslauthd[20046] :have_baby       : forked child: 20048
saslauthd[20046] :have_baby       : forked child: 20049
saslauthd[20046] :have_baby       : forked child: 20050
saslauthd[20048] :get_accept_lock : acquired accept lock
saslauthd[20047] :rel_accept_lock : released accept lock
saslauthd[20046] :handle_sigchld  : child exited: 20047
saslauthd[20049] :get_accept_lock : acquired accept lock
saslauthd[20048] :rel_accept_lock : released accept lock
saslauthd[20046] :handle_sigchld  : child exited: 20048
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


/usr/local/lib/sasl2/smtpd.conf
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
pwcheck_method: saslauthd
mech_list: plain login
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


/etc/pam.d/smtp
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
auth            required        pam_unix.so             no_warn 
try_first_pass
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


excert of /usr/local/etc/postfix/main.cf
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain =
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


excert of /etc/groups
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
mail:*:6:postfix
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


/var/state/saslauthd
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
total 580
drwxrwx---  2 cyrus  mail    512B Sep 12 23:55 .
drwxr-xr-x  3 root   wheel   512B Sep 12 23:51 ..
srwxrwxrwx  1 root   mail      0B Sep 12 23:55 mux
-rw-------  1 root   mail      0B Sep 12 23:55 mux.accept
-rw-------  1 root   mail    560K Sep 12 23:55 saslauthd.core
--w-------  1 root   mail      0B Sep 12 23:55 saslauthd.pid.lock
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


gdb saslauthd saslauthd.core
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---
#0  0x2829b923 in strcasecmp () from /lib/libc.so.5
#1  0x282f711c in login_access () from /usr/lib/pam_login_access.so.2
#2  0x282f7004 in login_access () from /usr/lib/pam_login_access.so.2
#3  0x282f6e59 in login_access () from /usr/lib/pam_login_access.so.2
#4  0x282f6d43 in login_access () from /usr/lib/pam_login_access.so.2
#5  0x282f6aa0 in pam_sm_acct_mgmt () from /usr/lib/pam_login_access.so.2
#6  0x28203377 in openpam_dispatch () from /usr/lib/libpam.so.2
#7  0x282028b4 in pam_acct_mgmt () from /usr/lib/libpam.so.2
#8  0x0804a324 in ?? ()
#9  0x08056000 in ?? ()
#10 0x80000000 in ?? ()
#11 0xbfbfe498 in ?? ()
#12 0xbfbfe494 in ?? ()
#13 0xbfbfe090 in ?? ()
#14 0x08056000 in ?? ()
#15 0x0804a0b4 in ?? ()
#16 0xbfbfe4a0 in ?? ()
#17 0xbfbfead0 in ?? ()
#18 0xbfbfe9c0 in ?? ()
#19 0x08056000 in ?? ()
#20 0x0804d21a in ?? ()
#21 0xbfbfead0 in ?? ()
#22 0xbfbfe9c0 in ?? ()
#23 0xbfbfe778 in ?? ()
#24 0x0804d255 in ?? ()
#25 0xbfbfead0 in ?? ()
#26 0xbfbfe9c0 in ?? ()
#27 0xbfbfe8b0 in ?? ()
#28 0xbfbfe7a0 in ?? ()
#29 0x282ca4b0 in __sF () from /lib/libc.so.5
#30 0x08050970 in ?? ()
#31 0xbfbfead0 in ?? ()
#32 0x00000000 in ?? ()
#33 0x282ca4b0 in __sF () from /lib/libc.so.5
#34 0x00000000 in ?? ()
#35 0xbfbfe7a8 in ?? ()
#36 0x282b15aa in __vfprintf () from /lib/libc.so.5
Previous frame inner to this frame (corrupt stack?)
--- 8< --- --- 8< --- --- 8< --- --- 8< --- --- 8< ---


Any help would be gladly appreciated.. Its the fourth
night I spent on this problem. *sigh*

Thanks in advance,
Christian.

-- 
Christian Reiss
demonserver.de
"Don't give up, lose interest."

GPG Key ID 02FF71B2 <email@demonlord.de>.
Public Key can be obtained here: http://www.demonlord.de/pgp.txt
OpenPGP Keyserver - http://pgp.demonserver.de

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