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gpg,tools: Add handling of supported algorithms by a card.

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* g10/call-agent.h (struct agent_card_info_s): Add supported_keyalgo.
* g10/call-agent.c (learn_status_cb): Parse KEY-ATTR-INFO.
(agent_release_card_info): Release supported_keyalgo.
* tools/gpg-card.h (struct card_info_s): Add supported_keyalgo.
* tools/card-call-scd.c (learn_status_cb): Parse KEY-ATTR-INFO.
(release_card_info): Release supported_keyalgo.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2020-09-08 15:34:42 +09:00
parent 0db9c83555
commit 2bc1ec2944
4 changed files with 52 additions and 0 deletions
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24
g10/call-agent.c
View File

@ -499,6 +499,11 @@ agent_release_card_info (struct agent_card_info_s *info)
xfree (info->private_do[i]);
info->private_do[i] = NULL;
}
for (i=0; i < DIM(info->supported_keyalgo); i++)
{
free_strlist (info->supported_keyalgo[i]);
info->supported_keyalgo[i] = NULL;
}
}
@ -744,6 +749,25 @@ learn_status_cb (void *opaque, const char *line)
parm->uif[no] = (data[0] != 0xff);
xfree (data);
}
else if (keywordlen == 13 && !memcmp (keyword, "KEY-ATTR-INFO", 13))
{
if (!strncmp (line, "OPENPGP.", 8))
{
int no;
line += 8;
no = atoi (line);
if (no >= 1 && no <= 3)
{
no--;
line++;
while (spacep (line))
line++;
append_to_strlist (&parm->supported_keyalgo[no], xstrdup (line));
}
}
/* Skip when it's not "OPENPGP.[123]". */
}
return 0;
}

1
g10/call-agent.h
View File

@ -76,6 +76,7 @@ struct agent_card_info_s
unsigned int status_indicator;
int kdf_do_enabled; /* Non-zero if card has a KDF object, 0 if not. */
int uif[3]; /* True if User Interaction Flag is on. */
strlist_t supported_keyalgo[3];
};

25
tools/card-call-scd.c
View File

@ -161,6 +161,11 @@ release_card_info (card_info_t info)
info->kinfo = kinfo;
}
info->chvusage[0] = info->chvusage[1] = 0;
for (i=0; i < DIM(info->supported_keyalgo); i++)
{
free_strlist (info->supported_keyalgo[i]);
info->supported_keyalgo[i] = NULL;
}
}
@ -1042,6 +1047,26 @@ learn_status_cb (void *opaque, const char *line)
xfree (parm->dispserialno);
parm->dispserialno = unescape_status_string (line);
}
else if (!memcmp (keyword, "KEY-ATTR-INFO", keywordlen))
{
if (!strncmp (line, "OPENPGP.", 8))
{
int no;
line += 8;
no = atoi (line);
if (no >= 1 && no <= 3)
{
no--;
line++;
while (spacep (line))
line++;
append_to_strlist (&parm->supported_keyalgo[no],
xstrdup (line));
}
}
/* Skip when it's not "OPENPGP.[123]". */
}
break;
default:

2
tools/gpg-card.h
View File

@ -22,6 +22,7 @@
#define GNUPG_GPG_CARD_H
#include "../common/session-env.h"
#include "../common/strlist.h"
/* We keep all global options in the structure OPT. */
@ -188,6 +189,7 @@ struct card_info_s
int kdf_do_enabled; /* True if card has a KDF object. */
int uif[3]; /* True if User Interaction Flag is on. */
/* 1 = on, 2 = permanent on. */
strlist_t supported_keyalgo[3];
};
typedef struct card_info_s *card_info_t;