[imp] IMAP issue with imp 4.1.1 [more info]

tom burkart imp at aussec.com
Wed Jun 14 20:02:14 PDT 2006


On Jun 9, Michael M Slusarz wrote:

> Short of tracing IMP -> IMAP server traffic to determine where the hangup is, 
Ok, here is a partial dump of where the hangup is (I can't see what's 
wrong but hopefully it means something to you; note the big jump in the 
timestamp - ~190 sec):
12:08:32.255617 IP 192.168.0.50.52518 > 192.168.0.50.imap: P 50:118(68) ack 374 win 8192 <nop,nop,timestamp 1743987292 1743987289>
 	0x0000:  4500 0078 fef9 4000 4006 b9d1 c0a8 0032  E..x.. at .@......2
 	0x0010:  c0a8 0032 cd26 008f 9cef dd08 9da2 98e2  ...2.&..........
 	0x0020:  8018 2000 821f 0000 0101 080a 67f3 225c  ............g."\
 	0x0030:  67f3 2259 3030 3030 3030 3031 2053 5441  g."Y00000001.STA
 	0x0040:  5455 5320 494e 424f 5820 284d 4553 5341  TUS.INBOX.(MESSA
 	0x0050:  4745 5320 5245 4345 4e54 2055 4e53 4545  GES.RECENT.UNSEE
 	0x0060:  4e20 5549 444e 4558 5420 5549 4456 414c  N.UIDNEXT.UIDVAL
 	0x0070:  4944 4954 5929 0d0a                      IDITY)..
12:08:32.255761 IP 192.168.0.50.imap > 192.168.0.50.52518: . ack 118 win 8192 <nop,nop,timestamp 1743987292 1743987292>
 	0x0000:  4500 0034 b562 4000 4006 03ad c0a8 0032  E..4.b at .@......2
 	0x0010:  c0a8 0032 008f cd26 9da2 98e2 9cef dd4c  ...2...&.......L
 	0x0020:  8010 2000 41f2 0000 0101 080a 67f3 225c  ....A.......g."\
 	0x0030:  67f3 225c                                g."\
12:08:32.658248 IP 192.168.0.50.imap > 192.168.0.50.52518: P 374:491(117) ack 118 win 8192 <nop,nop,timestamp 1743987392 1743987292>
 	0x0000:  4500 00a9 b564 4000 4006 0336 c0a8 0032  E....d at .@..6...2
 	0x0010:  c0a8 0032 008f cd26 9da2 98e2 9cef dd4c  ...2...&.......L
 	0x0020:  8018 2000 8250 0000 0101 080a 67f3 22c0  .....P......g.".
 	0x0030:  67f3 225c 2a20 5354 4154 5553 2049 4e42  g."\*.STATUS.INB
 	0x0040:  4f58 2028 4d45 5353 4147 4553 2036 3534  OX.(MESSAGES.654
 	0x0050:  2052 4543 454e 5420 3020 554e 5345 454e  .RECENT.0.UNSEEN
 	0x0060:  2033 2055 4944 4e45 5854 2033 3534 3437  .3.UIDNEXT.35447
 	0x0070:  3020 5549 4456 414c 4944 4954 5920 3131  0.UIDVALIDITY.11
 	0x0080:  3436 3338 3331 3338 290d 0a30 3030 3030  46383138)..00000
 	0x0090:  3030 3120 4f4b 2053 5441 5455 5320 636f  001.OK.STATUS.co
 	0x00a0:  6d70 6c65 7465 640d 0a                   mpleted..
12:08:32.694968 IP 192.168.0.50.52518 > 192.168.0.50.imap: . ack 491 win 8192 <nop,nop,timestamp 1743987402 1743987392>
 	0x0000:  4500 0034 fefb 4000 4006 ba13 c0a8 0032  E..4.. at .@......2
 	0x0010:  c0a8 0032 cd26 008f 9cef dd4c 9da2 9957  ...2.&.....L...W
 	0x0020:  8010 2000 40ab 0000 0101 080a 67f3 22ca  .... at .......g.".
 	0x0030:  67f3 22c0                                g.".
12:11:43.062837 IP 192.168.0.50.52518 > 192.168.0.50.imap: P 118:135(17) ack 491 win 8192 <nop,nop,timestamp 1744034989 1743987392>
 	0x0000:  4500 0045 fefd 4000 4006 ba00 c0a8 0032  E..E.. at .@......2
 	0x0010:  c0a8 0032 cd26 008f 9cef dd4c 9da2 9957  ...2.&.....L...W
 	0x0020:  8018 2000 81ec 0000 0101 080a 67f3 dcad  ............g...
 	0x0030:  67f3 22c0 3030 3030 3030 3032 204c 4f47  g.".00000002.LOG
 	0x0040:  4f55 540d 0a                             OUT..
12:11:43.069365 IP 192.168.0.50.imap > 192.168.0.50.52518: . ack 135 win 8192 <nop,nop,timestamp 1744034991 1744034989>
 	0x0000:  4500 0034 b566 4000 4006 03a9 c0a8 0032  E..4.f at .@......2
 	0x0010:  c0a8 0032 008f cd26 9da2 9957 9cef dd5d  ...2...&...W...]
 	0x0020:  8010 2000 ccc6 0000 0101 080a 67f3 dcaf  ............g...
 	0x0030:  67f3 dcad                                g...
12:11:43.069655 IP 192.168.0.50.imap > 192.168.0.50.52518: P 491:584(93) ack 135 win 8192 <nop,nop,timestamp 1744034991 1744034989>
 	0x0000:  4500 0091 b568 4000 4006 034a c0a8 0032  E....h at .@..J...2
 	0x0010:  c0a8 0032 008f cd26 9da2 9957 9cef dd5d  ...2...&...W...]
 	0x0020:  8018 2000 8238 0000 0101 080a 67f3 dcaf  .....8......g...
 	0x0030:  67f3 dcad 2a20 4259 4520 XXXX XXXX XXXX  g...*.BYE.XXXXXX
...
 	0x0050:  6576 3120 7365 7276 6572 2074 6572 6d69  ev1.server.termi
 	0x0060:  6e61 7469 6e67 2063 6f6e 6e65 6374 696f  nating.connectio
 	0x0070:  6e0d 0a30 3030 3030 3030 3220 4f4b 204c  n..00000002.OK.L
 	0x0080:  4f47 4f55 5420 636f 6d70 6c65 7465 640d  OGOUT.completed.
 	0x0090:  0a                                       .

There is also another instance a bit further down where the imap server 
complains about a client bug but at least there is no hangup there (may 
not be important):
12:11:44.292760 IP 192.168.0.50.52533 > 192.168.0.50.imap: P 117:185(68) ack 17631 win 12320 <nop,nop,timestamp 1744035296 1744035293>
 	0x0000:  4500 0078 7335 4000 4006 4596 c0a8 0032  E..xs5 at .@.E....2
 	0x0010:  c0a8 0032 cd35 008f a86a aea9 a89e 5c84  ...2.5...j....\.
 	0x0020:  8018 3020 821f 0000 0101 080a 67f3 dde0  ..0.........g...
 	0x0030:  67f3 dddd 3030 3030 3030 3034 2053 5441  g...00000004.STA
 	0x0040:  5455 5320 494e 424f 5820 284d 4553 5341  TUS.INBOX.(MESSA
 	0x0050:  4745 5320 5245 4345 4e54 2055 4e53 4545  GES.RECENT.UNSEE
 	0x0060:  4e20 5549 444e 4558 5420 5549 4456 414c  N.UIDNEXT.UIDVAL
 	0x0070:  4944 4954 5929 0d0a                      IDITY)..
12:11:44.293215 IP 192.168.0.50.imap > 192.168.0.50.52533: P 17631:17809(178) ack 185 win 8192 <nop,nop,timestamp 1744035296 1744035296>
 	0x0000:  4500 00e6 caa3 4000 4006 edb9 c0a8 0032  E..... at .@......2
 	0x0010:  c0a8 0032 008f cd35 a89e 5c84 a86a aeed  ...2...5..\..j..
 	0x0020:  8018 2000 828d 0000 0101 080a 67f3 dde0  ............g...
 	0x0030:  67f3 dde0 2a20 4e4f 2043 4c49 454e 5420  g...*.NO.CLIENT.
 	0x0040:  4255 4720 4445 5445 4354 4544 3a20 5354  BUG.DETECTED:.ST
 	0x0050:  4154 5553 206f 6e20 7365 6c65 6374 6564  ATUS.on.selected
 	0x0060:  206d 6169 6c62 6f78 3a20 494e 424f 580d  .mailbox:.INBOX.
 	0x0070:  0a2a 2053 5441 5455 5320 494e 424f 5820  .*.STATUS.INBOX.
 	0x0080:  284d 4553 5341 4745 5320 3635 3420 5245  (MESSAGES.654.RE
 	0x0090:  4345 4e54 2030 2055 4e53 4545 4e20 3320  CENT.0.UNSEEN.3.
 	0x00a0:  5549 444e 4558 5420 3335 3434 3730 2055  UIDNEXT.354470.U
 	0x00b0:  4944 5641 4c49 4449 5459 2031 3134 3633  IDVALIDITY.11463
 	0x00c0:  3833 3133 3829 0d0a 3030 3030 3030 3034  83138)..00000004
 	0x00d0:  204f 4b20 5354 4154 5553 2063 6f6d 706c  .OK.STATUS.compl
 	0x00e0:  6574 6564 0d0a                           eted..

tom.


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