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scd:nks: Handle APP_READKEY_FLAG_INFO.
* scd/app-nks.c (keygripstr_from_pk_file): Fix ignored error. (get_nks_tag): New. (do_learn_status_core): Use it. Make sure not to mange the KEYPAIRINFO line if no usage is known. (do_readkey): Output the KEYPAIRINFO for the keygrip case. -- Note that this only handles the most common case of providing a keygrip. $AUTHKEYID and ODLM are not yet supported. Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch
parent
22fd48e48d
commit
63320ba2f8
179
scd/app-nks.c
179
scd/app-nks.c
@ -440,8 +440,9 @@ keygripstr_from_pk_file (app_t app, int pkfid, int cfid, char *r_gripstr,
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}
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err = pubkey_from_pk_file (app, pkfid, cfid, &pk, &pklen);
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err = app_help_get_keygrip_string_pk (pk, pklen, r_gripstr, NULL,
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&algo, &algostr);
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if (!err)
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err = app_help_get_keygrip_string_pk (pk, pklen, r_gripstr, NULL,
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&algo, &algostr);
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xfree (pk);
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if (!err)
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@ -794,14 +795,9 @@ do_getattr (app_t app, ctrl_t ctrl, const char *name)
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}
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static void
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do_learn_status_core (app_t app, ctrl_t ctrl, unsigned int flags,
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int nks_app_id)
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const char *
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get_nks_tag (app_t app, int nks_app_id)
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{
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gpg_error_t err;
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char ct_buf[100], id_buf[100];
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int i;
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const char *tag;
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if (nks_app_id == NKS_APP_ESIGN)
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@ -815,6 +811,18 @@ do_learn_status_core (app_t app, ctrl_t ctrl, unsigned int flags,
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else
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tag = "NKS3";
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return tag;
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}
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static void
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do_learn_status_core (app_t app, ctrl_t ctrl, unsigned int flags,
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int nks_app_id)
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{
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gpg_error_t err;
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char ct_buf[100], id_buf[100];
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int i;
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const char *tag = get_nks_tag (app, nks_app_id);
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/* Output information about all useful objects in the NKS application. */
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for (i=0; filelist[i].fid; i++)
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{
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@ -867,6 +875,8 @@ do_learn_status_core (app_t app, ctrl_t ctrl, unsigned int flags,
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usagebuf[usageidx++] = 'a';
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if (filelist[i].isencrkey)
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usagebuf[usageidx++] = 'e';
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if (!usageidx)
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usagebuf[usageidx++] = '-';
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usagebuf[usageidx] = 0;
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send_status_info (ctrl, "KEYPAIRINFO",
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gripstr, 40,
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@ -1198,13 +1208,63 @@ do_readkey (app_t app, ctrl_t ctrl, const char *keyid, unsigned int flags,
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unsigned char **pk, size_t *pklen)
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{
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gpg_error_t err;
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unsigned char *buffer[2];
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size_t buflen[2];
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unsigned short path[1] = { 0x4500 };
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unsigned char *dummy_pk = NULL;
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size_t dummy_pklen = 0;
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if (!pk)
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pk = &dummy_pk;
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if (!pklen)
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pklen = &dummy_pklen;
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/* We use a generic name to retrieve PK.AUT.IFD-SPK. */
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if (!strcmp (keyid, "$IFDAUTHKEY") && app->appversion >= 3)
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;
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{
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unsigned short path[1] = { 0x4500 };
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unsigned char *buffer[2];
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size_t buflen[2];
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/* Access the KEYD file which is always in the master directory. */
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err = iso7816_select_path (app_get_slot (app), path, DIM (path), 0);
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if (err)
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goto leave;
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/* Due to the above select we need to re-select our application. */
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app->app_local->need_app_select = 1;
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/* Get the two records. */
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err = iso7816_read_record (app_get_slot (app), 5, 1, 0,
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&buffer[0], &buflen[0]);
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if (err)
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goto leave;
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if (all_zero_p (buffer[0], buflen[0]))
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{
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xfree (buffer[0]);
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err = gpg_error (GPG_ERR_NOT_FOUND);
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goto leave;
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}
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err = iso7816_read_record (app_get_slot (app), 6, 1, 0,
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&buffer[1], &buflen[1]);
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if (err)
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{
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xfree (buffer[0]);
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goto leave;
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}
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if ((flags & APP_READKEY_FLAG_INFO))
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{
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/* FIXME */
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}
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if (pk && pklen && pk != &dummy_pk)
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{
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*pk = make_canon_sexp_from_rsa_pk (buffer[0], buflen[0],
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buffer[1], buflen[1],
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pklen);
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if (!*pk)
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err = gpg_error_from_syserror ();
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}
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xfree (buffer[0]);
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xfree (buffer[1]);
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}
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else if (strlen (keyid) == 40)
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{
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char keygripstr[2*KEYGRIP_LEN+1];
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@ -1212,10 +1272,42 @@ do_readkey (app_t app, ctrl_t ctrl, const char *keyid, unsigned int flags,
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err = iterate_over_filelist (app, keyid, 0, keygripstr, &i);
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if (err)
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return err;
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goto leave;
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return pubkey_from_pk_file (app, filelist[i].fid, filelist[i].iskeypair,
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pk, pklen);
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err = pubkey_from_pk_file (app, filelist[i].fid, filelist[i].iskeypair,
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pk, pklen);
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if (!err && (flags & APP_READKEY_FLAG_INFO))
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{
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char *algostr;
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char usagebuf[5];
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int usageidx = 0;
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char id_buf[100];
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if (app_help_get_keygrip_string_pk (*pk, *pklen, NULL, NULL, NULL,
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&algostr))
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algostr = NULL; /* Ooops. */
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snprintf (id_buf, sizeof id_buf, "NKS-%s.%04X",
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get_nks_tag (app, filelist[i].nks_app_id),
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filelist[i].fid);
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if (filelist[i].issignkey)
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usagebuf[usageidx++] = 's';
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if (filelist[i].isauthkey)
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usagebuf[usageidx++] = 'a';
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if (filelist[i].isencrkey)
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usagebuf[usageidx++] = 'e';
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if (!usageidx)
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usagebuf[usageidx++] = '-';
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usagebuf[usageidx] = 0;
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send_status_info (ctrl, "KEYPAIRINFO",
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keygripstr, strlen (keygripstr),
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id_buf, strlen (id_buf),
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usagebuf, strlen (usagebuf),
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"-", (size_t)1,
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algostr, strlen (algostr?algostr:""),
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NULL, (size_t)0);
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xfree (algostr);
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}
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}
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else if (!strncmp (keyid, "NKS-IDLM.", 9))
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{
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@ -1223,56 +1315,19 @@ do_readkey (app_t app, ctrl_t ctrl, const char *keyid, unsigned int flags,
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if (!hexdigitp (keyid) || !hexdigitp (keyid+1)
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|| !hexdigitp (keyid+2) || !hexdigitp (keyid+3)
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|| keyid[4])
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return gpg_error (GPG_ERR_INV_ID);
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{
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err = gpg_error (GPG_ERR_INV_ID);
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goto leave;
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}
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return pubkey_from_pk_file (app, xtoi_4 (keyid), -1, pk, pklen);
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err = pubkey_from_pk_file (app, xtoi_4 (keyid), -1, pk, pklen);
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/* FIXME: Implement KEYPAIRINFO. */
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}
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else /* Return the error code expected by cmd_readkey. */
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return gpg_error (GPG_ERR_UNSUPPORTED_OPERATION);
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err = gpg_error (GPG_ERR_UNSUPPORTED_OPERATION);
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/* Access the KEYD file which is always in the master directory. */
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err = iso7816_select_path (app_get_slot (app), path, DIM (path), 0);
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if (err)
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return err;
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/* Due to the above select we need to re-select our application. */
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app->app_local->need_app_select = 1;
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/* Get the two records. */
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err = iso7816_read_record (app_get_slot (app), 5, 1, 0,
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&buffer[0], &buflen[0]);
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if (err)
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return err;
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if (all_zero_p (buffer[0], buflen[0]))
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{
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xfree (buffer[0]);
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return gpg_error (GPG_ERR_NOT_FOUND);
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}
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err = iso7816_read_record (app_get_slot (app), 6, 1, 0,
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&buffer[1], &buflen[1]);
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if (err)
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{
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xfree (buffer[0]);
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return err;
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}
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if ((flags & APP_READKEY_FLAG_INFO))
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{
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/* Not yet implemented but we won't get here for any regular
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* keyrefs anyway, thus the top layer will provide the
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* keypairinfo from the certificate. */
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(void)ctrl;
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}
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if (pk && pklen)
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{
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*pk = make_canon_sexp_from_rsa_pk (buffer[0], buflen[0],
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buffer[1], buflen[1],
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pklen);
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if (!*pk)
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err = gpg_error_from_syserror ();
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}
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xfree (buffer[0]);
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xfree (buffer[1]);
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leave:
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xfree (dummy_pk);
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return err;
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}
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