From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <3b447c77786671064c7444e6bdb3fca8@ar.aichi-u.ac.jp>
Date: Tue,  1 Feb 2005 15:59:33 +0900
From: arisawa@ar.aichi-u.ac.jp
To: 9fans@cse.psu.edu
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Subject: [9fans] pop3
Topicbox-Message-UUID: 3b894c68-eace-11e9-9e20-41e7f4b1d025

Hello,

My pop3 is something wrong after I rebooted my server.
<Problem 1>
That runs in infinite loop if I try to get my mail with clear text password.
ar% ps
...
arisawa       13505   95:16   0:00     332K Ready    pop3
...
ar%
ar% acid 13505
/proc/13505/text:386 plan 9 executable

/sys/lib/acid/port
/sys/lib/acid/386
acid: stk()
memchr(n=0x2000,p=0x38358,c=0xa)+0x13 /sys/src/libc/386/memchr.s:13
Brdline(bp=0x38320,delim=0xa)+0x5b /sys/src/libbio/brdline.c:29
readmbox(box=0x2e59c)+0x31d /sys/src/cmd/upas/pop3/pop3.c:245
dologin(response=0x7fffeb61)+0x11b /sys/src/cmd/upas/pop3/pop3.c:767
apopcmd(arg=0x7fffeb59)+0x39 /sys/src/cmd/upas/pop3/pop3.c:801
main(argv=0x7fffefac,argc=0x0)+0x15d /sys/src/cmd/upas/pop3/pop3.c:140
_main+0x31 /sys/src/libc/386/main9.s:16
acid: lstk()
memchr(n=0x2000,p=0x38358,c=0xa)+0x13 /sys/src/libc/386/memchr.s:13
Brdline(bp=0x38320,delim=0xa)+0x5b /sys/src/libbio/brdline.c:29
	ip=0x38358
	i=0x2000
	j=0x134
	ep=0x0
readmbox(box=0x2e59c)+0x31d /sys/src/cmd/upas/pop3/pop3.c:245
	err=0x33c50
	pid=0x34c2
	fd=0x3
	d=0x4bf30
	nd=0xee
	i=0xe1
	m=0x37f2c
	buf=0x2f363232
	n=0x28
	lines=0x7
	b=0x38320
dologin(response=0x7fffeb61)+0x11b /sys/src/cmd/upas/pop3/pop3.c:767
	ai=0x33c60
apopcmd(arg=0x7fffeb59)+0x39 /sys/src/cmd/upas/pop3/pop3.c:801
	resp=0x7fffeb61
main(argv=0x7fffefac,argc=0x0)+0x15d /sys/src/cmd/upas/pop3/pop3.c:140
	_argc=0x0
	_args=0x0
	fd=0x0
	cmdbuf=0x504f5041
	arg=0x7fffeb59
	c=0x2b160
_main+0x31 /sys/src/libc/386/main9.s:16
acid:

Of couse I know my server reject plain text password.

<Problem 2>
I cannot get my mail using MD5 charange/response.
pop3 does not fall into infinite loop.
/sys/log/auth shows I am authenticate.
/sys/log/pop3 says nothing.
I also tried upas/pop3 with -d option.
The debugging information shows the last message is
ar% tail /sys/log/pop3
-> +OK POP3 server ready <42e43b7c405786ef.29766d694ebdd862@hera>
CAPA
-> +OK
-> TOP
-> PIPELINING
-> UIDL
-> STLS
-> .
That comes "capa" request from client.

What should I check?

Thanks in advance.

Kenji Arisawa