security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2025-07-02 22:46:30 +02:00
Code Activity

* call-scd.c (learn_status_cb): Handle CERTINFO status.

Browse source 
(agent_card_learn): Add args for certinfo cb.
* learncard.c (release_certinfo,certinfo_cb): New.
(send_cert_back): New. With factored out code from ..
(agent_handle_learn): here.  Return certinfo stuff.
This commit is contained in:
Werner Koch 2002-08-16 14:24:38 +00:00
parent 346b6a32e2
commit ca7ed726a7
6 changed files with 168 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

167
agent/learncard.c
View file

@ -45,6 +45,20 @@ struct kpinfo_cb_parm_s {
};
struct certinfo_s {
struct certinfo_s *next;
int type;
int done;
char id[1];
};
typedef struct certinfo_s *CERTINFO;
struct certinfo_cb_parm_s {
int error;
CERTINFO info;
};
static void
release_keypair_info (KEYPAIR_INFO info)
{
@ -56,10 +70,21 @@ release_keypair_info (KEYPAIR_INFO info)
}
}
static void
release_certinfo (CERTINFO info)
{
while (info)
{
CERTINFO tmp = info->next;
xfree (info);
info = tmp;
}
}
/* This callback is used by agent_card_leanr and passed the content of
all KEYPAIRINFO lines. It merely store this data away */
all KEYPAIRINFO lines. It merely stores this data away */
static void
kpinfo_cb (void *opaque, const char *line)
{
@ -109,6 +134,45 @@ kpinfo_cb (void *opaque, const char *line)
}
/* This callback is used by agent_card_leanr and passed the content of
all CERTINFO lines. It merely stores this data away */
static void
certinfo_cb (void *opaque, const char *line)
{
struct certinfo_cb_parm_s *parm = opaque;
CERTINFO item;
int type;
char *p, *pend;
if (parm->error)
return; /* no need to gather data after an error coccured */
type = strtol (line, &p, 10);
while (spacep (p))
p++;
for (pend = p; *pend && !spacep (pend); pend++)
;
if (p == pend || !*p)
{
parm->error = GNUPG_Invalid_Response;
return;
}
*pend = 0; /* ignore trailing stuff */
item = xtrycalloc (1, sizeof *item + strlen (p));
if (!item)
{
parm->error = GNUPG_Out_Of_Core;
return;
}
item->type = type;
strcpy (item->id, p);
/* store it */
item->next = parm->info;
parm->info = item;
}
/* Create an S-expression with the shadow info. */
static unsigned char *
make_shadow_info (const char *serialno, const char *idstring)
@ -136,6 +200,35 @@ make_shadow_info (const char *serialno, const char *idstring)
return info;
}
static int
send_cert_back (const char *id, void *assuan_context)
{
int rc;
char *derbuf;
size_t derbuflen;
rc = agent_card_readcert (id, &derbuf, &derbuflen);
if (rc)
{
log_error ("error reading certificate: %s\n",
gnupg_strerror (rc));
return rc;
}
rc = assuan_send_data (assuan_context, derbuf, derbuflen);
xfree (derbuf);
if (!rc)
rc = assuan_send_data (assuan_context, NULL, 0);
if (!rc)
rc = assuan_write_line (assuan_context, "END");
if (rc)
{
log_error ("sending certificate failed: %s\n",
assuan_strerror (rc));
return map_assuan_err (rc);
}
return 0;
}
/* Perform the learn operation. If ASSUAN_CONTEXT is not NULL all new
certificates are send via Assuan */
@ -144,13 +237,22 @@ agent_handle_learn (void *assuan_context)
{
int rc;
struct kpinfo_cb_parm_s parm;
struct certinfo_cb_parm_s cparm;
char *serialno = NULL;
KEYPAIR_INFO item;
unsigned char grip[20];
char *p;
int i;
static int certtype_list[] = {
101, /* trusted */
102, /* useful */
100, /* regular */
-1 /* end of list */
};
memset (&parm, 0, sizeof parm);
memset (&cparm, 0, sizeof cparm);
/* Check whether a card is present and get the serial number */
rc = agent_card_serialno (&serialno);
@ -158,16 +260,40 @@ agent_handle_learn (void *assuan_context)
goto leave;
/* now gather all the availabe info */
rc = agent_card_learn (kpinfo_cb, &parm);
if (!rc && parm.error)
rc = parm.error;
rc = agent_card_learn (kpinfo_cb, &parm, certinfo_cb, &cparm);
if (!rc && (parm.error || cparm.error))
rc = parm.error? parm.error : cparm.error;
if (rc)
{
log_debug ("agent_card_learn failed: %s\n", gnupg_strerror (rc));
goto leave;
}
log_info ("card has S/N: %s\n", serialno);
/* Write out the certificates in a standard order. */
for (i=0; certtype_list[i] != -1; i++)
{
CERTINFO citem;
for (citem = cparm.info; citem; citem = citem->next)
{
if (certtype_list[i] != citem->type)
continue;
if (opt.verbose)
log_info (" id: %s (type=%d)\n",
citem->id, citem->type);
if (assuan_context)
{
rc = send_cert_back (citem->id, assuan_context);
if (rc)
goto leave;
citem->done = 1;
}
}
}
for (item = parm.info; item; item = item->next)
{
unsigned char *pubkey, *shdkey;
@ -226,29 +352,19 @@ agent_handle_learn (void *assuan_context)
if (assuan_context)
{
char *derbuf;
size_t derbuflen;
rc = agent_card_readcert (item->id, &derbuf, &derbuflen);
if (rc)
CERTINFO citem;
/* only send the certificate if we have not done so before */
for (citem = cparm.info; citem; citem = citem->next)
{
log_error ("error reading certificate: %s\n",
gnupg_strerror (rc));
goto leave;
if (!strcmp (citem->id, item->id))
break;
}
rc = assuan_send_data (assuan_context, derbuf, derbuflen);
xfree (derbuf);
if (!rc)
rc = assuan_send_data (assuan_context, NULL, 0);
if (!rc)
rc = assuan_write_line (assuan_context, "END");
if (rc)
if (!citem)
{
log_error ("sending certificate failed: %s\n",
assuan_strerror (rc));
rc = map_assuan_err (rc);
goto leave;
rc = send_cert_back (item->id, assuan_context);
if (rc)
goto leave;
}
}
}
@ -257,6 +373,7 @@ agent_handle_learn (void *assuan_context)
leave:
xfree (serialno);
release_keypair_info (parm.info);
release_certinfo (cparm.info);
return rc;
}