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hf emv select

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This commit is contained in:
merlokk 2018-09-11 14:49:50 +03:00
commit 3668df05ec
2 changed files with 25 additions and 72 deletions
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1
client/cliparser/cliparser.h
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@ -19,6 +19,7 @@
#define arg_get_lit(n)(((struct arg_lit*)argtable[n])->count)
#define arg_get_int(n)(((struct arg_int*)argtable[n])->ival[0])
#define arg_get_str(n)((struct arg_str*)argtable[n])
#define arg_get_str_len(n)(strlen(((struct arg_int*)argtable[n])->ival[0]))
#define CLIExecWithReturn(cmd, atbl, ifempty) if (CLIParserParseString(cmd, atbl, arg_getsize(atbl), ifempty)){CLIParserFree();return 0;}
#define CLIGetStrBLessWithReturn(paramnum, data, datalen, delta) if (CLIParamHexToBuf(arg_get_str(paramnum), data, sizeof(data) - (delta), datalen)) {CLIParserFree();return 1;}

96
client/emv/cmdemv.c
View file

@ -30,67 +30,32 @@ int UsageCmdHFEMVSelect(void) {
int CmdHFEMVSelect(const char *cmd) {
uint8_t data[APDU_AID_LEN] = {0};
int datalen = 0;
bool activateField = false;
bool leaveSignalON = false;
bool decodeTLV = false;
if (strlen(cmd) < 1) {
UsageCmdHFEMVSelect();
return 0;
}
CLIParserInit("hf 14a select",
"Executes select applet command",
"Usage:\n\thf emv select -s a00000000101 -> select card, select applet\n\thf emv select -s -t a00000000101 -> select card, select applet, show result in TLV\n");
void* argtable[] = {
arg_param_begin,
arg_lit0("sS", "select", "activate field and select card"),
arg_lit0("kK", "keep", "keep field for next command"),
arg_lit0("aA", "apdu", "show APDU reqests and responses"),
arg_lit0("tT", "tlv", "TLV decode results"),
arg_str0(NULL, NULL, "<HEX applet AID>", NULL),
arg_param_end
};
CLIExecWithReturn(cmd, argtable, true);
SetAPDULogging(false);
bool activateField = arg_get_lit(1);
bool leaveSignalON = arg_get_lit(2);
bool APDULogging = arg_get_lit(3);
bool decodeTLV = arg_get_lit(4);
if (arg_get_str_len(5))
CLIGetStrBLessWithReturn(5, data, &datalen, 0);
CLIParserFree();
int cmdp = 0;
while(param_getchar(cmd, cmdp) != 0x00) {
char c = param_getchar(cmd, cmdp);
if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
switch (param_getchar_indx(cmd, 1, cmdp)) {
case 'h':
case 'H':
UsageCmdHFEMVSelect();
return 0;
case 's':
case 'S':
activateField = true;
break;
case 'k':
case 'K':
leaveSignalON = true;
break;
case 'a':
case 'A':
SetAPDULogging(true);
break;
case 't':
case 'T':
decodeTLV = true;
break;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
return 1;
}
if (isxdigit((unsigned char)c)) {
switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data), &datalen)) {
case 1:
PrintAndLog("Invalid HEX value.");
return 1;
case 2:
PrintAndLog("AID too large.");
return 1;
case 3:
PrintAndLog("Hex must have even number of digits.");
return 1;
}
// we get all the hex to end of line with spaces
break;
}
cmdp++;
}
SetAPDULogging(APDULogging);
// exec
uint8_t buf[APDU_RES_LEN] = {0};
@ -110,20 +75,6 @@ int CmdHFEMVSelect(const char *cmd) {
return 0;
}
int UsageCmdHFEMVSearch(void) {
PrintAndLog("HELP : Tries to select all applets from applet list:\n");
PrintAndLog("Usage: hf emv search [-s][-k][-a][-t]\n");
PrintAndLog(" Options:");
PrintAndLog(" -s : select card");
PrintAndLog(" -k : keep field for next command");
PrintAndLog(" -a : show APDU reqests and responses\n");
PrintAndLog(" -t : TLV decode results of selected applets\n");
PrintAndLog("Samples:");
PrintAndLog(" hf emv search -s -> select card and search");
PrintAndLog(" hf emv search -s -t -> select card, search and show result in TLV");
return 0;
}
int CmdHFEMVSearch(const char *cmd) {
CLIParserInit("hf 14a select",
@ -144,6 +95,7 @@ int CmdHFEMVSearch(const char *cmd) {
bool leaveSignalON = arg_get_lit(2);
bool APDULogging = arg_get_lit(3);
bool decodeTLV = arg_get_lit(4);
CLIParserFree();
SetAPDULogging(APDULogging);