static int do_unblock(int argc, char **argv)
{
int ref, r;
u8 puk[30];
u8 newpin[30];
size_t puklen = 0;
size_t newpinlen = 0;
if (argc < 1 || argc > 3)
goto usage;
if (strncasecmp(argv[0], "CHV", 3)) {
printf("Invalid type.\n");
goto usage;
}
if (sscanf(argv[0] + 3, "%d", &ref) != 1) {
printf("Invalid key reference.\n");
goto usage;
}
if (argc > 1) {
puklen = sizeof(puk);
if (parse_string_or_hexdata(argv[1], puk, &puklen) != 0) {
printf("Invalid key value.\n");
goto usage;
}
}
if (argc > 2) {
newpinlen = sizeof(newpin);
if (parse_string_or_hexdata(argv[2], newpin, &newpinlen) != 0) {
printf("Invalid key value.\n");
goto usage;
}
}
r = sc_reset_retry_counter (card, SC_AC_CHV, ref,
puklen ? puk : NULL, puklen,
newpinlen ? newpin : NULL, newpinlen);
if (r) {
if (r == SC_ERROR_PIN_CODE_INCORRECT)
printf("Incorrect code.\n");
printf("Unable to unblock PIN code: %s\n", sc_strerror(r));
return -1;
}
printf("PIN unblocked.\n");
return 0;
usage:
printf("Usage: unblock CHV<pin ref> [<puk> [<new pin>]]\n");
printf("PUK and PIN values can be hexadecimal, ASCII, empty (\"\") or absent\n");
printf("Examples:\n");
printf("\tUnblock PIN and set a new value: unblock CHV2 00:00:00:00:00:00 \"foobar\"\n");
printf("\tUnblock PIN keeping the old value: unblock CHV2 00:00:00:00:00:00 \"\"\n");
printf("\tSet new PIN value: unblock CHV2 \"\" \"foobar\"\n");
printf("Examples with pinpad:\n");
printf("\tUnblock PIN: new PIN value is prompted by pinpad: unblock CHV2 00:00:00:00:00:00\n");
printf("\tSet PIN: new PIN value is prompted by pinpad: unblock CHV2 \"\"\n");
printf("\tUnblock PIN: unblock code and new PIN value are prompted by pinpad: unblock CHV2\n");
return -1;
}
static int do_unblock(int argc, char **argv)
{
int ref, r;
u8 puk_buf[30], *puk = NULL;
u8 newpin_buf[30], *newpin = NULL;
const char *s;
size_t puklen = sizeof(puk_buf), i;
size_t newpinlen = sizeof(newpin_buf);
if (argc < 1 || argc > 3)
goto usage;
if (strncasecmp(argv[0], "CHV", 3)) {
printf("Invalid type.\n");
goto usage;
}
if (sscanf(argv[0] + 3, "%d", &ref) != 1) {
printf("Invalid key reference.\n");
goto usage;
}
argc--;
argv++;
if (argc == 0) {
puklen = 0;
puk = NULL;
} else {
if (argv[0][0] == '"') {
for (s = argv[0] + 1, i = 0;
i < sizeof(puk_buf) && *s && *s != '"'; i++)
puk_buf[i] = *s++;
puklen = i;
} else if (sc_hex_to_bin(argv[0], puk_buf, &puklen) != 0) {
printf("Invalid key value.\n");
goto usage;
}
puk = &puk_buf[0];
argc--;
argv++;
}
if (argc) {
if (argv[0][0] == '"') {
for (s = argv[0] + 1, i = 0;
i < sizeof(newpin_buf) && *s && *s != '"'; i++)
newpin_buf[i] = *s++;
newpinlen = i;
} else if (sc_hex_to_bin(argv[0], newpin_buf, &newpinlen) != 0) {
printf("Invalid key value.\n");
goto usage;
}
newpin = &newpin_buf[0];
}
else {
newpinlen = 0;
newpin = NULL;
}
r = sc_reset_retry_counter (card, SC_AC_CHV, ref,
puk, puklen,
newpin, newpinlen);
if (r) {
if (r == SC_ERROR_PIN_CODE_INCORRECT)
printf("Incorrect code.\n");
printf("Unable to unblock PIN code: %s\n", sc_strerror(r));
return -1;
}
printf("PIN unblocked.\n");
return 0;
usage:
printf("Usage: unblock CHV<pin ref> [<puk>] [<new pin>]\n");
printf("PUK and PIN values can be hexadecimal, ASCII, empty (\"\") or absent\n");
printf("Examples:\n");
printf("\tUnblock PIN and set a new value: unblock CHV2 00:00:00:00:00:00 \"foobar\"\n");
printf("\tUnblock PIN keeping the old value: unblock CHV2 00:00:00:00:00:00 \"\"\n");
printf("\tSet new PIN value: unblock CHV2 \"\" \"foobar\"\n");
printf("Examples with pinpad:\n");
printf("\tUnblock PIN: new PIN value is prompted by pinpad: unblock CHV2 00:00:00:00:00:00\n");
printf("\tSet PIN: new PIN value is prompted by pinpad: unblock CHV2 \"\"\n");
printf("\tUnblock PIN: unblock code and new PIN value are prompted by pinpad: unblock CHV2\n");
return -1;
}
static int do_unblock(int argc, char **argv)
{
int ref, r;
u8 puk[30];
u8 newpin[30];
const char *s;
size_t puklen = sizeof(puk), i;
size_t newpinlen = sizeof(newpin);
if (argc < 2 || argc > 3)
goto usage;
if (strncasecmp(argv[0], "CHV", 3)) {
printf("Invalid type.\n");
goto usage;
}
if (sscanf(argv[0] + 3, "%d", &ref) != 1) {
printf("Invalid key reference.\n");
goto usage;
}
argc--;
argv++;
if (argc == 1) {
/* set without verification */
puklen = 0;
} else {
if (argv[0][0] == '"') {
for (s = argv[0] + 1, i = 0;
i < sizeof(puk) && *s && *s != '"'; i++)
puk[i] = *s++;
puklen = i;
} else if (sc_hex_to_bin(argv[0], puk, &puklen) != 0) {
printf("Invalid key value.\n");
goto usage;
}
argc--;
argv++;
}
if (argv[0][0] == '"') {
for (s = argv[0] + 1, i = 0;
i < sizeof(newpin) && *s && *s != '"'; i++)
newpin[i] = *s++;
newpinlen = i;
} else if (sc_hex_to_bin(argv[0], newpin, &newpinlen) != 0) {
printf("Invalid key value.\n");
goto usage;
}
r = sc_reset_retry_counter (card, SC_AC_CHV, ref,
puk, puklen,
newpin, newpinlen);
if (r) {
if (r == SC_ERROR_PIN_CODE_INCORRECT)
printf("Incorrect code.\n");
printf("Unable to unblock PIN code: %s\n", sc_strerror(r));
return -1;
}
printf("PIN unblocked.\n");
return 0;
usage:
printf("Usage: unblock CHV<pin ref> [<puk>] <new pin>\n");
printf("Example: unblock CHV2 00:00:00:00:00:00 \"foobar\"\n");
return -1;
}
