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Merge pull request #2913 from Antiklesys/master
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Renaming and snmp data format option for sam comms
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Iceman 2025-06-20 11:27:58 +02:00 • committed by GitHub
commit 61a993de82
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GPG key ID: B5690EEEBB952194
1 changed files with 14 additions and 4 deletions
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18
client/src/cmdhficlass.c
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@ -5914,6 +5914,7 @@ static int CmdHFiClassSAM(const char *Cmd) {
arg_lit0("p", "prevent", "fake epurse update"),
arg_lit0(NULL, "shallow", "shallow mod"),
arg_strx0("d", "data", "<hex>", "DER encoded command to send to SAM"),
arg_lit0("s", "snmp", "data is in snmp format without headers"),
arg_lit0(NULL, "info", "get SAM infos (version, serial number)"),
arg_param_end
};
@ -5926,7 +5927,8 @@ static int CmdHFiClassSAM(const char *Cmd) {
bool break_nrmac = arg_get_lit(ctx, 5);
bool prevent = arg_get_lit(ctx, 6);
bool shallow_mod = arg_get_lit(ctx, 7);
bool info = arg_get_lit(ctx, 9);
bool snmp_data = arg_get_lit(ctx, 9);
bool info = arg_get_lit(ctx, 10);
uint8_t flags = 0;
if (disconnect_after) {
@ -5968,6 +5970,14 @@ static int CmdHFiClassSAM(const char *Cmd) {
return PM3_ESOFT;
}
if (snmp_data) {
uint8_t header[4] = {0xa0, cmdlen+2 , 0x94, cmdlen };
memmove(data + 4, data, cmdlen+1);
data[0] = flags;
memcpy(data+1, header, 4);
cmdlen += 4;
}
clearCommandBuffer();
SendCommandNG(CMD_HF_SAM_PICOPASS, data, cmdlen + 1);
PacketResponseNG resp;
@ -5976,8 +5986,8 @@ static int CmdHFiClassSAM(const char *Cmd) {
bool is_snmp = false;
uint8_t snmp_pattern[] = {0xBD, 0x81, 0xFF, 0x8A, 0x81, 0xFF}; // SNMP Response header pattern, 0xFF is a wildcard value for message length
bool snmp_mask[] = {true, true, false, true, true, false}; // false means wildcard value in that position
uint8_t ack_pattern[] = {0xBD, 0xFF, 0x8A}; // Acknowledge Response header pattern, 0xFF is a wildcard value for message length
bool ack_mask[] = {true, false, true}; // false means wildcard value in that position
uint8_t ok_pattern[] = {0xBD, 0xFF, 0x8A}; // Ok response header pattern, 0xFF is a wildcard value for message length
bool ok_mask[] = {true, false, true}; // false means wildcard value in that position
switch (resp.status) {
case PM3_SUCCESS:
@ -6044,7 +6054,7 @@ static int CmdHFiClassSAM(const char *Cmd) {
}else if (match_with_wildcard(d, snmp_pattern, snmp_mask, 6)){
is_snmp = true;
PrintAndLogEx(SUCCESS, _YELLOW_("[samSNMPMessageResponse] ")"%s", sprint_hex(d + 6, resp.length - 6));
}else if (match_with_wildcard(d,ack_pattern, ack_mask, 3)){
}else if (match_with_wildcard(d,ok_pattern, ok_mask, 3)){
PrintAndLogEx(SUCCESS, _YELLOW_("[samResponseAcknowledge] ")"%s", sprint_hex(d + 4, resp.length - 4));
}else{
print_hex(d, resp.length);