Merge pull request #504 from frankmorgner/find_tags
Find tags with GET DATA
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commit
5e352ea477
@ -292,6 +292,14 @@
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Files are found by selecting all file identifiers in the range from <replaceable>start-fid</replaceable> to <replaceable>end-fid</replaceable> (by default from 0000 to FFFF).</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>find_tags</command> [<replaceable>start-tag</replaceable> [<replaceable>end-tag</replaceable>]]
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</term>
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<listitem><para>Find all tags of data objects in the current context.
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Tags are found by using GET DATA in the range from <replaceable>start-tag</replaceable> to <replaceable>end-tag</replaceable> (by default from 0000 to FFFF).</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>mkdir</command> <replaceable>file-id</replaceable> <replaceable>size</replaceable>
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@ -1217,35 +1217,6 @@ cardos_logout(sc_card_t *card)
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return SC_ERROR_NOT_SUPPORTED;
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}
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static int cardos_get_data(struct sc_card *card, unsigned int tag, u8 *buf, size_t len)
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{
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int r;
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struct sc_apdu apdu;
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SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
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sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0xCA,
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(tag >> 8) & 0xff, tag & 0xff);
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apdu.lc = 0;
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apdu.datalen = 0;
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apdu.le = len;
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apdu.resp = buf;
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apdu.resplen = len;
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r = sc_transmit_apdu(card, &apdu);
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SC_TEST_RET(card->ctx, SC_LOG_DEBUG_NORMAL, r, "APDU transmit failed");
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r = sc_check_sw(card, apdu.sw1, apdu.sw2);
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SC_TEST_RET(card->ctx, SC_LOG_DEBUG_NORMAL, r, "GET_DATA returned error");
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if (apdu.resplen > len)
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r = SC_ERROR_WRONG_LENGTH;
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else
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r = apdu.resplen;
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SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, r);
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}
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/* eToken R2 supports WRITE_BINARY, PRO Tokens support UPDATE_BINARY */
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static struct sc_card_driver * sc_get_driver(void)
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@ -1266,7 +1237,6 @@ static struct sc_card_driver * sc_get_driver(void)
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cardos_ops.card_ctl = cardos_card_ctl;
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cardos_ops.pin_cmd = cardos_pin_cmd;
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cardos_ops.logout = cardos_logout;
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cardos_ops.get_data = cardos_get_data;
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return &cardos_drv;
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}
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@ -1128,6 +1128,38 @@ iso7816_pin_cmd(struct sc_card *card, struct sc_pin_cmd_data *data, int *tries_l
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}
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static int iso7816_get_data(struct sc_card *card, unsigned int tag, u8 *buf, size_t len)
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{
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int r, cse;
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struct sc_apdu apdu;
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SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
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if (buf && len)
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cse = SC_APDU_CASE_2;
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else
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cse = SC_APDU_CASE_1;
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sc_format_apdu(card, &apdu, cse, 0xCA, (tag >> 8) & 0xff, tag & 0xff);
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apdu.le = len;
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apdu.resp = buf;
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apdu.resplen = len;
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r = sc_transmit_apdu(card, &apdu);
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SC_TEST_RET(card->ctx, SC_LOG_DEBUG_NORMAL, r, "APDU transmit failed");
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r = sc_check_sw(card, apdu.sw1, apdu.sw2);
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SC_TEST_RET(card->ctx, SC_LOG_DEBUG_NORMAL, r, "GET_DATA returned error");
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if (apdu.resplen > len)
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r = SC_ERROR_WRONG_LENGTH;
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else
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r = apdu.resplen;
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SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, r);
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}
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static int
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iso7816_init(struct sc_card *card)
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{
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@ -1175,7 +1207,7 @@ static struct sc_card_operations iso_ops = {
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iso7816_process_fci,
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iso7816_construct_fci,
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iso7816_pin_cmd,
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NULL, /* get_data */
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iso7816_get_data,
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NULL, /* put_data */
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NULL, /* delete_record */
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NULL /* read_public_key */
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@ -85,6 +85,7 @@ static const char *option_help[] = {
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static int do_echo(int argc, char **argv);
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static int do_ls(int argc, char **argv);
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static int do_find(int argc, char **argv);
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static int do_find_tags(int argc, char **argv);
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static int do_cd(int argc, char **argv);
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static int do_cat(int argc, char **argv);
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static int do_info(int argc, char **argv);
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@ -127,6 +128,9 @@ static struct command cmds[] = {
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{ do_find,
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"find", "[<start id> [<end id>]]",
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"find all files in the current DF" },
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{ do_find_tags,
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"find_tags", "[<start tag> [<end tag>]]",
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"find all tags of data objects in the current context" },
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{ do_cd,
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"cd", "{.. | <file id> | aid:<DF name>}",
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"change to another DF" },
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@ -579,6 +583,73 @@ static int do_find(int argc, char **argv)
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return 0;
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}
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static int do_find_tags(int argc, char **argv)
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{
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u8 start[2], end[2], rbuf[256];
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int r;
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unsigned int tag, tag_end;
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start[0] = 0x00;
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start[1] = 0x00;
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end[0] = 0xFF;
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end[1] = 0xFF;
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switch (argc) {
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case 2:
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if (arg_to_fid(argv[1], end) != 0)
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return usage(do_find_tags);
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/* fall through */
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case 1:
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if (arg_to_fid(argv[0], start) != 0)
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return usage(do_find_tags);
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/* fall through */
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case 0:
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break;
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default:
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return usage(do_find_tags);
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}
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tag = (start[0] << 8) | start[1];
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tag_end = (end[0] << 8) | end[1];
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printf("Tag\tType\n");
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while (1) {
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printf("(%04X)\r", tag);
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fflush(stdout);
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r = sc_get_data(card, tag, rbuf, sizeof rbuf);
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if (r >= 0) {
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printf(" %04X ", tag);
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if (tag == 0)
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printf("\tdump file");
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if ((0x0001 <= tag && tag <= 0x00FE)
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|| (0x1F1F <= tag && tag <= 0xFFFF))
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printf("\tBER-TLV");
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if (tag == 0x00FF || tag == 0x02FF)
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printf("\tspecial function");
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if (0x0100 <= tag && tag <= 0x01FF)
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printf("\tproprietary");
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if (tag == 0x0200)
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printf("\tRFU");
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if (0x0201 <= tag && tag <= 0x02FE)
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printf("\tSIMPLE-TLV");
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printf("\n");
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if (r > 0)
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util_hex_dump_asc(stdout, rbuf, r, -1);
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} else {
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switch (r) {
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case SC_ERROR_NOT_ALLOWED:
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case SC_ERROR_SECURITY_STATUS_NOT_SATISFIED:
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printf("(%04X)\t%s\n", tag, sc_strerror(r));
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break;
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}
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}
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if (tag >= tag_end)
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break;
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tag++;
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}
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return 0;
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}
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static int do_cd(int argc, char **argv)
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{
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sc_path_t path;
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