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Code cleaning

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This commit is contained in:
t0m4 2019-07-07 12:18:47 +02:00
commit 109f859475
2 changed files with 8 additions and 18 deletions
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24
client/cmdhf15.c
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@ -957,10 +957,8 @@ int CmdHF15CmdWrite(const char *Cmd) {
int CmdHF15CSetUID(const char *Cmd) int CmdHF15CSetUID(const char *Cmd)
{ {
uint8_t uid[16] = {0x00}; uint8_t uid[8] = {0x00};
uint8_t oldUidReversed[8], oldUid[8] = {0x00}; uint8_t oldUid[8], newUid[8] = {0x00};
uint8_t newUidReversed[8], newUid[8] = {0x00};
int res;
uint8_t needHelp = 0; uint8_t needHelp = 0;
char cmdp = 1; char cmdp = 1;
@ -970,7 +968,7 @@ int CmdHF15CSetUID(const char *Cmd)
return 1; return 1;
} }
if (strcmp(sprint_hex_inrow_ex(uid, 1, 2), "e0") != 0) { if (uid[0] != 0xe0) {
PrintAndLog("UID must begin with the byte 'E0'"); PrintAndLog("UID must begin with the byte 'E0'");
return 1; return 1;
} }
@ -1003,11 +1001,7 @@ int CmdHF15CSetUID(const char *Cmd)
PrintAndLog("new UID | %s", sprint_hex(uid, 8)); PrintAndLog("new UID | %s", sprint_hex(uid, 8));
PrintAndLog("Using backdoor Magic tag function"); PrintAndLog("Using backdoor Magic tag function");
if (getUID(oldUidReversed)) { if (!getUID(oldUid)) {
for (int i=0; i<sizeof(oldUidReversed); i++) {
oldUid[i] = oldUidReversed[sizeof(oldUidReversed)-1-i];
}
} else {
PrintAndLog("Can't get old UID."); PrintAndLog("Can't get old UID.");
return 1; return 1;
} }
@ -1037,18 +1031,14 @@ int CmdHF15CSetUID(const char *Cmd)
} }
} }
if (getUID(newUidReversed)) { if (!getUID(newUid)) {
for (int i=0; i<sizeof(newUidReversed); i++) {
newUid[i] = newUidReversed[sizeof(newUidReversed)-1-i];
}
} else {
PrintAndLog("Can't get new UID."); PrintAndLog("Can't get new UID.");
return 1; return 1;
} }
PrintAndLog(""); PrintAndLog("");
PrintAndLog("old UID : %s", sprint_hex(oldUid, 8)); PrintAndLog("old UID : %02X %02X %02X %02X %02X %02X %02X %02X", oldUid[7], oldUid[6], oldUid[5], oldUid[4], oldUid[3], oldUid[2], oldUid[1], oldUid[0]);
PrintAndLog("new UID : %s", sprint_hex(newUid, 8)); PrintAndLog("new UID : %02X %02X %02X %02X %02X %02X %02X %02X", newUid[7], newUid[6], newUid[5], newUid[4], newUid[3], newUid[2], newUid[1], newUid[0]);
return 0; return 0;
} }