RfidResearchGroup/proxmark3
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fix bug in pskdemod return value if no samples...

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... caused crash in data psknexwatchdemod if no samples were in the
graphbuffer.
also fixed hf mfu wrbl and rdbl to allow printing of help without a tag
being present.
This commit is contained in:
marshmellow42 2015-06-23 12:16:23 -04:00
parent 7c8b5e6811
commit 2ec8773314
2 changed files with 28 additions and 32 deletions
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4
client/cmddata.c
View file

@ -1546,12 +1546,12 @@ int PSKDemod(const char *Cmd, bool verbose)
clk=0;
}
if (invert != 0 && invert != 1) {
if (verbose) PrintAndLog("Invalid argument: %s", Cmd);
if (g_debugMode || verbose) PrintAndLog("Invalid argument: %s", Cmd);
return 0;
}
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
size_t BitLen = getFromGraphBuf(BitStream);
if (BitLen==0) return -1;
if (BitLen==0) return 0;
uint8_t carrier=countFC(BitStream, BitLen, 0);
if (carrier!=2 && carrier!=4 && carrier!=8){
//invalid carrier

56
client/cmdhfmfu.c
View file

@ -908,10 +908,6 @@ int CmdHF14AMfUWrBl(const char *Cmd){
uint8_t authenticationkey[16] = {0x00};
uint8_t *authKeyPtr = authenticationkey;
// starting with getting tagtype
TagTypeUL_t tagtype = GetHF14AMfU_Type();
if (tagtype == UL_ERROR) return -1;
while(param_getchar(Cmd, cmdp) != 0x00)
{
switch(param_getchar(Cmd, cmdp))
@ -943,21 +939,10 @@ int CmdHF14AMfUWrBl(const char *Cmd){
case 'b':
case 'B':
blockNo = param_get8(Cmd, cmdp+1);
uint8_t maxblockno = 0;
for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++){
if (tagtype & UL_TYPES_ARRAY[idx])
maxblockno = UL_MEMORY_ARRAY[idx];
}
if (blockNo < 0) {
PrintAndLog("Wrong block number");
errors = true;
}
if (blockNo > maxblockno){
PrintAndLog("block number too large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
errors = true;
}
cmdp += 2;
break;
case 'l':
@ -984,6 +969,19 @@ int CmdHF14AMfUWrBl(const char *Cmd){
}
if ( blockNo == -1 ) return usage_hf_mfu_wrbl();
// starting with getting tagtype
TagTypeUL_t tagtype = GetHF14AMfU_Type();
if (tagtype == UL_ERROR) return -1;
uint8_t maxblockno = 0;
for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++){
if (tagtype & UL_TYPES_ARRAY[idx])
maxblockno = UL_MEMORY_ARRAY[idx];
}
if (blockNo > maxblockno){
PrintAndLog("block number too large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
return usage_hf_mfu_wrbl();
}
// Swap endianness
if (swapEndian && hasAuthKey) authKeyPtr = SwapEndian64(authenticationkey, 16, 8);
@ -1035,10 +1033,6 @@ int CmdHF14AMfURdBl(const char *Cmd){
uint8_t authenticationkey[16] = {0x00};
uint8_t *authKeyPtr = authenticationkey;
// starting with getting tagtype
TagTypeUL_t tagtype = GetHF14AMfU_Type();
if (tagtype == UL_ERROR) return -1;
while(param_getchar(Cmd, cmdp) != 0x00)
{
switch(param_getchar(Cmd, cmdp))
@ -1070,21 +1064,10 @@ int CmdHF14AMfURdBl(const char *Cmd){
case 'b':
case 'B':
blockNo = param_get8(Cmd, cmdp+1);
uint8_t maxblockno = 0;
for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++){
if (tagtype & UL_TYPES_ARRAY[idx])
maxblockno = UL_MEMORY_ARRAY[idx];
}
if (blockNo < 0) {
PrintAndLog("Wrong block number");
errors = true;
}
if (blockNo > maxblockno){
PrintAndLog("block number to large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
errors = true;
}
cmdp += 2;
break;
case 'l':
@ -1102,6 +1085,19 @@ int CmdHF14AMfURdBl(const char *Cmd){
}
if ( blockNo == -1 ) return usage_hf_mfu_rdbl();
// start with getting tagtype
TagTypeUL_t tagtype = GetHF14AMfU_Type();
if (tagtype == UL_ERROR) return -1;
uint8_t maxblockno = 0;
for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++){
if (tagtype & UL_TYPES_ARRAY[idx])
maxblockno = UL_MEMORY_ARRAY[idx];
}
if (blockNo > maxblockno){
PrintAndLog("block number to large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
return usage_hf_mfu_rdbl();
}
// Swap endianness
if (swapEndian && hasAuthKey) authKeyPtr = SwapEndian64(authenticationkey, 16, 8);