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agent: Create and use Token entries to track the display s/n.

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* agent/divert-scd.c (linefeed_to_percent0A): New.
(ask_for_card): Add arg grip.  Read Token and Label items and use
them.
(divert_pksign, divert_pkdecrypt): Pass down grip.
* agent/findkey.c (write_extended_private_key): Add args serialno,
keyref, and dispserialno.  Writen Token item.
(agent_write_private_key): Add args serialno, keyref, and
dispserialno.
(read_key_file): Add arg r_keymeta.
(agent_keymeta_from_file): New.
(agent_write_shadow_key): Remove leading spaces from serialno and keyid.
* agent/protect-tool.c (agent_write_private_key): Ditto.
* agent/learncard.c (agent_handle_learn): Get DISPSERIALNO and pass to
agent_write_shadow_key.
* agent/command-ssh.c (card_key_available): Ditto.
--

GnuPG-bug-id: 6135

This patch backports some changes from master but also adds the
Display-S/N tracking.
This commit is contained in:
Werner Koch 2022-08-15 12:49:56 +02:00
parent 706adf6691
commit dc9b242628
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
10 changed files with 272 additions and 36 deletions
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7
agent/protect-tool.c
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@ -810,13 +810,18 @@ agent_askpin (ctrl_t ctrl,
int
agent_write_private_key (const unsigned char *grip,
const void *buffer, size_t length, int force,
time_t timestamp)
time_t timestamp,
const char *serialno, const char *keyref,
const char *dispserialno)
{
char hexgrip[40+4+1];
char *p;
(void)force;
(void)timestamp;
(void)serialno;
(void)keyref;
(void)dispserialno;
bin2hex (grip, 20, hexgrip);
strcpy (hexgrip+40, ".key");