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agent: Replace some sprintf.

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* agent/call-scd.c (agent_card_pksign): Replace sprintf by bin2hex.
* agent/command-ssh.c (ssh_identity_register): Ditto.
* agent/pkdecrypt.c (agent_pkdecrypt): Replace sprintf by
put_membuf_printf.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2014-12-02 14:13:53 +01:00
parent 0367a4b8cf
commit fabcf1440a
3 changed files with 8 additions and 18 deletions
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10
agent/call-scd.c
View File

@ -822,8 +822,8 @@ agent_card_pksign (ctrl_t ctrl,
const unsigned char *indata, size_t indatalen,
unsigned char **r_buf, size_t *r_buflen)
{
int rc, i;
char *p, line[ASSUAN_LINELENGTH];
int rc;
char line[ASSUAN_LINELENGTH];
membuf_t data;
struct inq_needpin_s inqparm;
@ -835,10 +835,8 @@ agent_card_pksign (ctrl_t ctrl,
if (indatalen*2 + 50 > DIM(line))
return unlock_scd (ctrl, gpg_error (GPG_ERR_GENERAL));
sprintf (line, "SETDATA ");
p = line + strlen (line);
for (i=0; i < indatalen ; i++, p += 2 )
sprintf (p, "%02X", indata[i]);
bin2hex (indata, indatalen, stpcpy (line, "SETDATA "));
rc = assuan_transact (ctrl->scd_local->ctx, line,
NULL, NULL, NULL, NULL, NULL, NULL);
if (rc)

5
agent/command-ssh.c
View File

@ -3063,7 +3063,6 @@ ssh_identity_register (ctrl_t ctrl, ssh_key_type_spec_t *spec,
char *comment = NULL;
char *key_fpr = NULL;
const char *initial_errtext = NULL;
unsigned int i;
struct pin_entry_info_s *pi = NULL, *pi2;
err = ssh_key_grip (key, key_grip_raw);
@ -3139,9 +3138,7 @@ ssh_identity_register (ctrl_t ctrl, ssh_key_type_spec_t *spec,
goto out;
/* Cache this passphrase. */
for (i = 0; i < 20; i++)
sprintf (key_grip + 2 * i, "%02X", key_grip_raw[i]);
bin2hex (key_grip_raw, 20, key_grip);
err = agent_put_cache (key_grip, CACHE_MODE_SSH, pi->pin, ttl);
if (err)
goto out;

11
agent/pkdecrypt.c
View File

@ -94,14 +94,9 @@ agent_pkdecrypt (ctrl_t ctrl, const char *desc_text,
goto leave;
}
{
char tmpbuf[60];
sprintf (tmpbuf, "(5:value%u:", (unsigned int)len);
put_membuf (outbuf, tmpbuf, strlen (tmpbuf));
put_membuf (outbuf, buf, len);
put_membuf (outbuf, ")", 2);
}
put_membuf_printf (outbuf, "(5:value%u:", (unsigned int)len);
put_membuf (outbuf, buf, len);
put_membuf (outbuf, ")", 2);
}
else
{ /* No smartcard, but a private key */