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gpg: Fix bug with deeply nested compressed packets.

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* g10/mainproc.c (MAX_NESTING_DEPTH): New.
(proc_compressed): Return an error code.
(check_nesting): New.
(do_proc_packets): Check packet nesting depth.  Handle errors from
check_compressed.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2013-10-02 09:11:43 +02:00
parent daba481fe7
commit 0899f6d4be
3 changed files with 46 additions and 9 deletions
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@ -786,6 +786,7 @@ pkd:0:1024:B665B1435F4C2 .... FF26ABB:
*** UNEXPECTED <what>
Unexpected data has been encountered. Codes for WHAT are:
- 0 :: Not further specified
- 1 :: Corrupted message structure
*** TRUNCATED <maxno>
The output was truncated to MAXNO items. This status code is