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fix file attributes decoding

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This commit is contained in:
merlokk 2022-02-02 23:59:37 +02:00
commit ebeba309a4
1 changed files with 36 additions and 28 deletions
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50
client/src/cipurse/cipursecore.c
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@ -372,11 +372,10 @@ const char *CIPURSEGetSMR(uint8_t smr) {
}
void CIPURSEPrintSMR(uint8_t *smrrec) {
PrintAndLogEx(INFO, "%s/%s/%s/%s",
CIPURSEGetSMR((smrrec[0] >> 8) & 0x03),
CIPURSEGetSMR(smrrec[0] & 0x03),
CIPURSEGetSMR((smrrec[1] >> 8) & 0x03),
CIPURSEGetSMR(smrrec[1] & 0x03));
PrintAndLogEx(INFO, "1. %s/%s", CIPURSEGetSMR((smrrec[0] >> 6) & 0x03), CIPURSEGetSMR((smrrec[0] >> 4) & 0x03));
PrintAndLogEx(INFO, "2. %s/%s", CIPURSEGetSMR((smrrec[0] >> 2) & 0x03), CIPURSEGetSMR((smrrec[0] >> 0) & 0x03));
PrintAndLogEx(INFO, "3. %s/%s", CIPURSEGetSMR((smrrec[1] >> 6) & 0x03), CIPURSEGetSMR((smrrec[1] >> 4) & 0x03));
PrintAndLogEx(INFO, "4. %s/%s", CIPURSEGetSMR((smrrec[1] >> 2) & 0x03), CIPURSEGetSMR((smrrec[1] >> 0) & 0x03));
}
void CIPURSEPrintART(uint8_t *artrec, size_t artlen) {
@ -405,10 +404,13 @@ void CIPURSEPrintFileAttr(uint8_t *attr, size_t len) {
}
PrintAndLogEx(INFO, "--- " _CYAN_("File Attributes") "---------------------");
if (attr[0] == 0x38) {
if (attr[0] == 0x38 || attr[0] == 0x3F) {
PrintAndLogEx(INFO, "Type... MF, ADF");
if (attr[1] == 0x00) {
if (attr[0] == 0x3F)
PrintAndLogEx(INFO, "Type... PxSE");
else
PrintAndLogEx(INFO, "Type... MF");
} else {
if ((attr[1] & 0xe0) == 0x00)
@ -441,37 +443,43 @@ void CIPURSEPrintFileAttr(uint8_t *attr, size_t len) {
uint8_t keynum = attr[6];
PrintAndLogEx(INFO, "Keys assigned... %d", keynum);
if (len >= 9) {
PrintAndLogEx(INFO, "SMR entries... %02x%02x", attr[7], attr[8]);
CIPURSEPrintSMR(&attr[7]);
int idx = 7;
if ( keynum > 0) {
if (len >= idx + 2) {
PrintAndLogEx(INFO, "SMR entries... %02x%02x", attr[idx], attr[idx + 1]);
CIPURSEPrintSMR(&attr[idx]);
}
idx += 2;
if (len >= 9 + keynum + 1) {
PrintAndLogEx(INFO, "ART... %s", sprint_hex(&attr[9], keynum + 1));
CIPURSEPrintART(&attr[9], keynum + 1);
if (len >= idx + keynum + 1) {
PrintAndLogEx(INFO, "ART... %s", sprint_hex(&attr[idx], keynum + 1));
CIPURSEPrintART(&attr[idx], keynum + 1);
PrintAndLogEx(NORMAL, "");
}
idx += keynum + 1;
if (len >= 9 + keynum + 1 + keynum * 7) {
if (len >= idx + keynum * 7) {
for (int i = 0; i < keynum; i++) {
PrintAndLogEx(INFO, "Key %d Attributes... %s", i + 1, sprint_hex(&attr[9 + keynum + 1 + i * 7], 7));
CIPURSEPrintKeyAttrib(&attr[9 + keynum + 1 + i * 7]);
PrintAndLogEx(INFO, "Key %d Attributes... %s", i + 1, sprint_hex(&attr[idx + i * 7], 7));
CIPURSEPrintKeyAttrib(&attr[idx + i * 7]);
}
}
idx += keynum * 7;
}
// FCP
if (len >= 9 + keynum + 1 + keynum * 7 + 1) {
int xlen = len - (9 + keynum + 1 + keynum * 7);
if (len >= idx + 1) {
int xlen = len - idx;
// for MF only
if (attr[1] == 0x00)
if (attr[1] == 0x00 && attr[0] != 0x3F)
xlen = xlen - 6;
if (xlen > 0 && xlen < 200) {
PrintAndLogEx(INFO, "TLV file control parameters... [%d] %s", xlen, sprint_hex(&attr[9 + keynum + 1 + keynum * 7], xlen));
TLVPrintFromBuffer(&attr[9 + keynum + 1 + keynum * 7], xlen);
PrintAndLogEx(INFO, "TLV file control parameters... [%d] %s", xlen, sprint_hex(&attr[idx], xlen));
TLVPrintFromBuffer(&attr[idx], xlen);
PrintAndLogEx(NORMAL, "");
}
}
// MF only
if (attr[1] == 0x00) {
if (attr[1] == 0x00 && attr[0] != 0x3F) {
PrintAndLogEx(INFO, "Total memory size... %d", (attr[len - 6] << 16) + (attr[len - 5] << 8) + attr[len - 4]);
PrintAndLogEx(INFO, "Free memory size.... %d", (attr[len - 3] << 16) + (attr[len - 2] << 8) + attr[len - 1]);