crewID/libnfc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

make style

Browse source
This commit is contained in:
Philippe Teuwen 2017-04-01 00:46:12 +02:00
parent 3ec9ecf800
commit 024fca9cb7
3 changed files with 48 additions and 52 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

66
utils/nfc-mfultralight.c
View file

@ -73,7 +73,7 @@ static uint32_t uiBlocks = 0x10;
static uint32_t uiReadPages = 0; static uint32_t uiReadPages = 0;
static uint8_t iPWD[4] = { 0x0 }; static uint8_t iPWD[4] = { 0x0 };
static uint8_t iPACK[2] = { 0x0 }; static uint8_t iPACK[2] = { 0x0 };
static uint8_t iEV1Type= EV1_NONE; static uint8_t iEV1Type = EV1_NONE;
// special unlock command // special unlock command
uint8_t abtUnlock1[1] = { 0x40 }; uint8_t abtUnlock1[1] = { 0x40 };
@ -123,7 +123,7 @@ read_card(void)
} else { } else {
bFailure = true; bFailure = true;
} }
for (uint8_t i=0; i < (uiBlocks - page < 4 ? uiBlocks - page : 4); i++) { for (uint8_t i = 0; i < (uiBlocks - page < 4 ? uiBlocks - page : 4); i++) {
print_success_or_failure(bFailure, &uiReadPages, &uiFailedPages); print_success_or_failure(bFailure, &uiReadPages, &uiFailedPages);
} }
} }
@ -132,7 +132,7 @@ read_card(void)
fflush(stdout); fflush(stdout);
// copy EV1 secrets to dump data // copy EV1 secrets to dump data
switch(iEV1Type) { switch (iEV1Type) {
case EV1_UL11: case EV1_UL11:
memcpy(mtDump.amb[4].mbc11.pwd, iPWD, 4); memcpy(mtDump.amb[4].mbc11.pwd, iPWD, 4);
memcpy(mtDump.amb[4].mbc11.pack, iPACK, 2); memcpy(mtDump.amb[4].mbc11.pack, iPACK, 2);
@ -208,13 +208,13 @@ get_ev1_version(void)
if (!raw_mode_start()) if (!raw_mode_start())
return false; return false;
iso14443a_crc_append(abtEV1, 1); iso14443a_crc_append(abtEV1, 1);
if(!transmit_bytes(abtEV1, 3)){ if (!transmit_bytes(abtEV1, 3)) {
raw_mode_end(); raw_mode_end();
return false; return false;
} }
if (!raw_mode_end()) if (!raw_mode_end())
return false; return false;
if(!szRx) if (!szRx)
return false; return false;
return true; return true;
} }
@ -222,7 +222,7 @@ get_ev1_version(void)
static bool static bool
ev1_load_pwd(uint8_t target[4], const char *pwd) ev1_load_pwd(uint8_t target[4], const char *pwd)
{ {
if(sscanf(pwd, "%2x%2x%2x%2x", (unsigned int *) &target[0], (unsigned int *) &target[1], (unsigned int *) &target[2], (unsigned int *) &target[3]) != 4) if (sscanf(pwd, "%2x%2x%2x%2x", (unsigned int *) &target[0], (unsigned int *) &target[1], (unsigned int *) &target[2], (unsigned int *) &target[3]) != 4)
return false; return false;
return true; return true;
} }
@ -234,7 +234,7 @@ ev1_pwd_auth(uint8_t *pwd)
return false; return false;
memcpy(&abtPWAuth[1], pwd, 4); memcpy(&abtPWAuth[1], pwd, 4);
iso14443a_crc_append(abtPWAuth, 5); iso14443a_crc_append(abtPWAuth, 5);
if(!transmit_bytes(abtPWAuth, 7)) if (!transmit_bytes(abtPWAuth, 7))
return false; return false;
if (!raw_mode_end()) if (!raw_mode_end())
return false; return false;
@ -465,7 +465,7 @@ int
main(int argc, const char *argv[]) main(int argc, const char *argv[])
{ {
int iAction = 0; int iAction = 0;
uint8_t iDumpSize= sizeof(mifareul_tag); uint8_t iDumpSize = sizeof(mifareul_tag);
uint8_t iUID[MAX_UID_LEN] = { 0x0 }; uint8_t iUID[MAX_UID_LEN] = { 0x0 };
size_t szUID = 0; size_t szUID = 0;
bool bOTP = false; bool bOTP = false;
@ -490,7 +490,7 @@ main(int argc, const char *argv[])
} else if (0 == strcmp(argv[arg], "w")) { } else if (0 == strcmp(argv[arg], "w")) {
iAction = 2; iAction = 2;
} else if (0 == strcmp(argv[arg], "--with-uid")) { } else if (0 == strcmp(argv[arg], "--with-uid")) {
if (arg+1 == argc) { if (arg + 1 == argc) {
ERR("Please supply a UID of 4, 7 or 10 bytes long. Ex: a1:b2:c3:d4"); ERR("Please supply a UID of 4, 7 or 10 bytes long. Ex: a1:b2:c3:d4");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
@ -508,10 +508,10 @@ main(int argc, const char *argv[])
} else if (0 == strcmp(argv[arg], "--check-magic")) { } else if (0 == strcmp(argv[arg], "--check-magic")) {
iAction = 3; iAction = 3;
} else if (0 == strcmp(argv[arg], "--partial")) { } else if (0 == strcmp(argv[arg], "--partial")) {
bPart= true; bPart = true;
} else if (0 == strcmp(argv[arg], "--pw")) { } else if (0 == strcmp(argv[arg], "--pw")) {
bPWD= true; bPWD = true;
if(arg+1 == argc || strlen(argv[++arg]) != 8 || ! ev1_load_pwd(iPWD, argv[arg])) { if (arg + 1 == argc || strlen(argv[++arg]) != 8 || ! ev1_load_pwd(iPWD, argv[arg])) {
ERR("Please supply a PASSWORD of 8 HEX digits"); ERR("Please supply a PASSWORD of 8 HEX digits");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
@ -593,26 +593,23 @@ main(int argc, const char *argv[])
printf("\n"); printf("\n");
// test if tag is EV1 // test if tag is EV1
if(get_ev1_version()) { if (get_ev1_version()) {
if(!bPWD) if (!bPWD)
printf("Tag is EV1 - PASSWORD may be required\n"); printf("Tag is EV1 - PASSWORD may be required\n");
printf("EV1 storage size: "); printf("EV1 storage size: ");
if(abtRx[6] == 0x0b) { if (abtRx[6] == 0x0b) {
printf("48 bytes\n"); printf("48 bytes\n");
uiBlocks= 0x14; uiBlocks = 0x14;
iEV1Type= EV1_UL11; iEV1Type = EV1_UL11;
iDumpSize= sizeof(mifareul_ev1_mf0ul11_tag); iDumpSize = sizeof(mifareul_ev1_mf0ul11_tag);
} } else if (abtRx[6] == 0x0e) {
else if(abtRx[6] == 0x0e) {
printf("128 bytes\n"); printf("128 bytes\n");
uiBlocks= 0x29; uiBlocks = 0x29;
iEV1Type= EV1_UL21; iEV1Type = EV1_UL21;
iDumpSize= sizeof(mifareul_ev1_mf0ul21_tag); iDumpSize = sizeof(mifareul_ev1_mf0ul21_tag);
} } else
else
printf("unknown!\n"); printf("unknown!\n");
} } else {
else {
// re-init non EV1 tag // re-init non EV1 tag
if (nfc_initiator_select_passive_target(pnd, nmMifare, (szUID) ? iUID : NULL, szUID, &nt) <= 0) { if (nfc_initiator_select_passive_target(pnd, nmMifare, (szUID) ? iUID : NULL, szUID, &nt) <= 0) {
ERR("no tag was found\n"); ERR("no tag was found\n");
@ -623,14 +620,13 @@ main(int argc, const char *argv[])
} }
// EV1 login required // EV1 login required
if(bPWD){ if (bPWD) {
printf("Authing with PWD: %02x%02x%02x%02x ", iPWD[0], iPWD[1], iPWD[2], iPWD[3]); printf("Authing with PWD: %02x%02x%02x%02x ", iPWD[0], iPWD[1], iPWD[2], iPWD[3]);
if(!ev1_pwd_auth(iPWD)){ if (!ev1_pwd_auth(iPWD)) {
printf("\n"); printf("\n");
ERR("AUTH failed!\n"); ERR("AUTH failed!\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} } else {
else {
printf("Success - PACK: %02x%02x\n", abtRx[0], abtRx[1]); printf("Success - PACK: %02x%02x\n", abtRx[0], abtRx[1]);
memcpy(iPACK, abtRx, 2); memcpy(iPACK, abtRx, 2);
} }
@ -647,12 +643,12 @@ main(int argc, const char *argv[])
} }
size_t szDump; size_t szDump;
if (((szDump= fread(&mtDump, 1, sizeof(mtDump), pfDump)) != iDumpSize && !bPart) || szDump <= 0) { if (((szDump = fread(&mtDump, 1, sizeof(mtDump), pfDump)) != iDumpSize && !bPart) || szDump <= 0) {
ERR("Could not read from dump file or size mismatch: %s\n", argv[2]); ERR("Could not read from dump file or size mismatch: %s\n", argv[2]);
fclose(pfDump); fclose(pfDump);
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
if(szDump != iDumpSize) if (szDump != iDumpSize)
printf("Performing partial write\n"); printf("Performing partial write\n");
fclose(pfDump); fclose(pfDump);
DBG("Successfully opened the dump file\n"); DBG("Successfully opened the dump file\n");
@ -664,7 +660,7 @@ main(int argc, const char *argv[])
} }
if (iAction == 1) { if (iAction == 1) {
bool bRF= read_card(); bool bRF = read_card();
printf("Writing data to file: %s ... ", argv[2]); printf("Writing data to file: %s ... ", argv[2]);
fflush(stdout); fflush(stdout);
pfDump = fopen(argv[2], "wb"); pfDump = fopen(argv[2], "wb");
@ -683,7 +679,7 @@ main(int argc, const char *argv[])
} }
fclose(pfDump); fclose(pfDump);
printf("Done.\n"); printf("Done.\n");
if(!bRF) if (!bRF)
printf("Warning! Read failed - partial data written to file!\n"); printf("Warning! Read failed - partial data written to file!\n");
} else if (iAction == 2) { } else if (iAction == 2) {
write_card(bOTP, bLock, bUID); write_card(bOTP, bLock, bUID);