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opensc-explorer: implement put_data

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opensc-explorer: use larger buffer for put_data
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Nguyễn Hồng Quân 2012-06-01 17:41:49 +02:00 committed by Viktor Tarasov
parent 5673d13c15
commit f3955e2475
1 changed files with 32 additions and 1 deletions
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33
src/tools/opensc-explorer.c
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@ -1456,9 +1456,40 @@ static int do_get_data(int argc, char **argv)
return 0;
}
/**
* Use PUT DATA command to write to Data Object.
**/
static int do_put_data(int argc, char **argv)
{
return usage(do_put_data);
unsigned int tag;
u8 buf[8192];
size_t buflen = sizeof(buf);
int r;
if (argc != 2)
return usage(do_put_data);
/* Extract DO's tag */
tag = strtoul(argv[0], NULL, 16);
/* Extract the new content */
/* buflen is the max length of reception buffer */
r = parse_string_or_hexdata(argv[1], buf, &buflen);
if (r < 0) {
printf("unable to parse data\n");
return -1;
}
/* Call OpenSC to do put data */
r = sc_put_data(card, tag, buf, buflen);
if (r < 0) {
printf("Cannot put data to %04X; return %i\n", tag, r);
return -1;
}
printf("Total of %d bytes written.\n", r);
return 0;
}
static int do_apdu(int argc, char **argv)