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Adding INS GET NEXT DATA

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-05-20 19:02:55 +02:00
parent 9f069a7e31
commit 7a77b31760
1 changed files with 25 additions and 0 deletions
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25
src/openpgp/openpgp.c
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@@ -767,6 +767,8 @@ static int cmd_get_data() {
if (currentEF && (currentEF->fid & 0x1FF0) == (fid & 0x1FF0)) { //previously selected
ef = currentEF;
}
else
select_file(ef);
if (ef->data) {
uint16_t fids[] = {1,fid};
uint16_t data_len = parse_do(fids, 1);
@@ -1736,6 +1738,27 @@ static int cmd_select_data() {
return SW_OK();
}
static int cmd_get_next_data() {
file_t *ef = NULL;
if (apdu.cmd_apdu_data_len > 0)
return SW_WRONG_LENGTH();
if (!currentEF)
return SW_RECORD_NOT_FOUND();
uint16_t fid = (P1(apdu) << 8) | P2(apdu);
if (!(ef = search_by_fid(fid, NULL, SPECIFY_EF)))
return SW_REFERENCE_NOT_FOUND();
if (!authenticate_action(ef, ACL_OP_UPDATE_ERASE)) {
return SW_SECURITY_STATUS_NOT_SATISFIED();
}
if ((currentEF->fid & 0x1FF0) != (fid & 0x1FF0))
return SW_WRONG_P1P2();
fid = currentEF->fid + 1; //curentEF contains private DO. so, we select the next one
if (!(ef = search_by_fid(fid, NULL, SPECIFY_EF)))
return SW_REFERENCE_NOT_FOUND();
select_file(ef);
return cmd_get_data();
}
typedef struct cmd
{
uint8_t ins;
@@ -1754,6 +1777,7 @@ typedef struct cmd
#define INS_SELECT 0xA4
#define INS_SELECT_DATA 0xA5
#define INS_GET_DATA 0xCA
#define INS_GET_NEXT_DATA 0xCC
#define INS_PUT_DATA 0xDA
#define INS_IMPORT_DATA 0xDB
#define INS_TERMINATE_DF 0xE6
@@ -1776,6 +1800,7 @@ static const cmd_t cmds[] = {
{ INS_IMPORT_DATA, cmd_import_data },
{ INS_VERSION, cmd_version },
{ INS_SELECT_DATA, cmd_select_data },
{ INS_GET_NEXT_DATA, cmd_get_next_data },
{ 0x00, 0x0}
};