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gpg: Do not allow compressed key packets on import.

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* g10/import.c (read_block): Bail out on compressed packets.
* g10/options.h (COMPAT_COMPR_KEYS): New.
* g10/gpg.c (compatibility_flags): Add "compr-keys".
* common/util.h: Remove replacement code not any longer needed.
(GPG_ERR_UNEXPECTED_PACKET): Add a new replacement code.
--

Compressed key packets do not make much sense but historically they
were supported.  Thus we also add a compatibility flag.

GnuPG-bug-id: 7014
This commit is contained in:
Werner Koch 2025-05-16 12:37:45 +02:00
parent 645cf7d8fc
commit 8e529f9221
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
4 changed files with 11 additions and 6 deletions
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7
common/util.h
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@ -39,12 +39,11 @@
* libgpg-error version. Define them here.
* Example: (#if GPG_ERROR_VERSION_NUMBER < 0x011500 // 1.21)
*/
#if GPG_ERROR_VERSION_NUMBER < 0x012f00 /* 1.47 */
# define GPG_ERR_BAD_PUK 320
# define GPG_ERR_NO_RESET_CODE 321
# define GPG_ERR_BAD_RESET_CODE 322
#if GPGRT_VERSION_NUMBER < 0x013800 /* 1.56 */
# define GPG_ERR_UNEXPECTED_PACKET 216
#endif
#ifndef EXTERN_UNLESS_MAIN_MODULE
# if !defined (INCLUDED_BY_MAIN_MODULE)
# define EXTERN_UNLESS_MAIN_MODULE extern