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interpret rec_nr == 0 as a request to create a new record, fix for bug report #21 

git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@2398 c6295689-39f2-0310-b995-f0e70906c6a9
This commit is contained in:
nils 2005-07-12 21:03:47 +00:00
parent b9cf818d56
commit d88f377747
1 changed files with 23 additions and 1 deletions
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24
src/libopensc/dir.c
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@ -344,7 +344,29 @@ static int update_single_record(sc_card_t *card, sc_file_t *file,
r = encode_dir_record(card->ctx, app, &rec, &rec_size);
if (r)
return r;
r = sc_update_record(card, (unsigned int)app->rec_nr, rec, rec_size, 0);
if (app->rec_nr > 0)
r = sc_update_record(card, (unsigned int)app->rec_nr, rec, rec_size, SC_RECORD_BY_REC_NR);
else if (app->rec_nr == 0) {
/* create new record entry */
card->ctx->suppress_errors++;
r = sc_append_record(card, rec, rec_size, 0);
card->ctx->suppress_errors--;
if (r == SC_ERROR_NOT_SUPPORTED) {
/* if the card doesn't support APPEND RECORD we try a
* UPDATE RECORD on the next unused record (and hope
* that there is a record with this index).
*/
int rec_nr = 0, i;
for(i = 0; i < card->app_count; i++)
if (card->app[i]->rec_nr > rec_nr)
rec_nr = card->app[i]->rec_nr;
rec_nr++;
r = sc_update_record(card, (unsigned int)rec_nr, rec, rec_size, SC_RECORD_BY_REC_NR);
}
} else {
sc_error(card->ctx, "invalid record number\n");
r = SC_ERROR_INTERNAL;
}
free(rec);
SC_TEST_RET(card->ctx, r, "Unable to update EF(DIR) record");
return 0;