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agent: New option --check-sym-passphrase-pattern.

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* agent/gpg-agent.c (oCheckSymPassphrasePattern): New.
(opts): Add --check-sym-passphrase-pattern.
(parse_rereadable_options): Set option.
(main): Return option info.
* tools/gpgconf-comp.c: Add new option.
* agent/agent.h (opt): Add var check_sym_passphrase_pattern.
(struct pin_entry_info_s): Add var constraints_flags.
(CHECK_CONSTRAINTS_NOT_EMPTY): New to replace a hardwired 1.
(CHECK_CONSTRAINTS_NEW_SYMKEY): New.
* agent/genkey.c (check_passphrase_pattern): Rename to ...
(do_check_passphrase_pattern): this to make code reading
easier. Handle the --check-sym-passphrase-pattern option.
(check_passphrase_constraints): Replace arg no_empty by a generic
flags arg.  Also handle --check-sym-passphrase-pattern here.
* agent/command.c (cmd_get_passphrase): In --newsymkey mode pass
CHECK_CONSTRAINTS_NEW_SYMKEY flag.
* agent/call-pinentry.c (struct entry_parm_s): Add constraints_flags.
(struct inq_cb_parm_s): New.
(inq_cb): Use new struct for parameter passing.  Pass flags to teh
constraints checking.
(do_getpin): Pass constraints flag down.
(agent_askpin): Take constrainst flag from the supplied pinentry
struct.
--

Requirements for a passphrase to protect a private key and for a
passphrase used for symmetric encryption are different.  Thus a
the use of a different pattern file will be useful.  Note that a
pattern file can be used to replace the other passphrase constraints
options and thus we don't need to duplicate them for symmetric
encryption.

GnuPG-bug-id: 5517
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2021-08-13 13:42:31 +02:00
parent 22c5461b4a
commit 7c45a69eb9
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
7 changed files with 89 additions and 29 deletions
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2
tools/gpgconf-comp.c
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@ -351,6 +351,8 @@ static known_option_t known_options_gpg_agent[] =
{ "min-passphrase-nonalpha", GC_OPT_FLAG_RUNTIME, GC_LEVEL_EXPERT },
{ "check-passphrase-pattern", GC_OPT_FLAG_RUNTIME, GC_LEVEL_EXPERT,
/**/ GC_ARG_TYPE_FILENAME },
{ "check-sym-passphrase-pattern", GC_OPT_FLAG_RUNTIME, GC_LEVEL_EXPERT,
/**/ GC_ARG_TYPE_FILENAME },
{ "max-passphrase-days", GC_OPT_FLAG_RUNTIME, GC_LEVEL_EXPERT },
{ "enable-passphrase-history", GC_OPT_FLAG_RUNTIME, GC_LEVEL_EXPERT },
{ "pinentry-timeout", GC_OPT_FLAG_RUNTIME, GC_LEVEL_ADVANCED },