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added eml file format support for restoring

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tharexde 2020-10-26 00:14:37 +01:00
commit e834c30f6b
1 changed files with 40 additions and 18 deletions
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44
client/src/cmdlfem4x50.c
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@ -151,12 +151,12 @@ static int usage_lf_em4x50_restore(void) {
PrintAndLogEx(NORMAL, "Options:"); PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help"); PrintAndLogEx(NORMAL, " h - this help");
PrintAndLogEx(NORMAL, " u <UID> - uid, try to restore from lf-4x50-<UID>-dump.bin"); PrintAndLogEx(NORMAL, " u <UID> - uid, try to restore from lf-4x50-<UID>-dump.bin");
PrintAndLogEx(NORMAL, " f <filename prefix> - data filename <filename>.<prefix> (optional)"); PrintAndLogEx(NORMAL, " f <filename> - data filename <filename.bin/eml> (optional)");
PrintAndLogEx(NORMAL, " p <pwd> - password (hex, lsb) (optional)"); PrintAndLogEx(NORMAL, " p <pwd> - password (hex, lsb) (optional)");
PrintAndLogEx(NORMAL, "Examples:"); PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 4x50_restore h")); PrintAndLogEx(NORMAL, _YELLOW_(" lf em 4x50_restore h"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 4x50_restore f em4x50dump")); PrintAndLogEx(NORMAL, _YELLOW_(" lf em 4x50_restore f em4x50dump.bin"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 4x50_restore f em4x50dump p 12345678")); PrintAndLogEx(NORMAL, _YELLOW_(" lf em 4x50_restore f em4x50dump.eml p 12345678"));
PrintAndLogEx(NORMAL, ""); PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS; return PM3_SUCCESS;
} }
@ -920,7 +920,8 @@ int CmdEM4x50Restore(const char *Cmd) {
//uint8_t data[136] = {0x0}; //uint8_t data[136] = {0x0};
size_t bytes_read = 0; size_t bytes_read = 0;
char filename[FILE_PATH_SIZE] = {0x00}; char filename[FILE_PATH_SIZE] = {0};
char ext[FILE_PATH_SIZE] = {0};
char szTemp[FILE_PATH_SIZE - 20] = {0x00}; char szTemp[FILE_PATH_SIZE - 20] = {0x00};
FILE *fdump; FILE *fdump;
@ -939,7 +940,7 @@ int CmdEM4x50Restore(const char *Cmd) {
case 'u': case 'u':
param_getstr(Cmd, cmdp + 1, szTemp, FILE_PATH_SIZE - 20); param_getstr(Cmd, cmdp + 1, szTemp, FILE_PATH_SIZE - 20);
if (filename[0] == 0x00) if (filename[0] == 0x00)
snprintf(filename, FILE_PATH_SIZE, "lf-4x50-%s-dump.bin", szTemp); snprintf(filename, FILE_PATH_SIZE, "./lf-4x50-%s-dump.bin", szTemp);
cmdp += 2; cmdp += 2;
break; break;
@ -965,20 +966,41 @@ int CmdEM4x50Restore(const char *Cmd) {
if (errors) if (errors)
return usage_lf_em4x50_restore(); return usage_lf_em4x50_restore();
// open dump file PrintAndLogEx(INFO, "Restoring " _YELLOW_("%s")" to card", filename);
// read data from dump file; file has to be "bin" or "eml"
// (file type is distinguished by file extension)
memcpy(ext, &filename[strlen(filename) - 4], 4);
ext[5] = 0x00;
if (memcmp(ext, ".eml", 4) == 0) {
// read from eml file
if (loadFileEML(filename, etd.data, &bytes_read) != PM3_SUCCESS)
return PM3_EFILE;
} else {
// open bin file
if ((fdump = fopen(filename, "rb")) == NULL) { if ((fdump = fopen(filename, "rb")) == NULL) {
PrintAndLogEx(WARNING, "Could not find file " _YELLOW_("%s"), filename); PrintAndLogEx(WARNING, "Could not find file " _YELLOW_("%s"), filename);
return PM3_EFILE; return PM3_EFILE;
} }
PrintAndLogEx(INFO, "Restoring " _YELLOW_("%s")" to card", filename);
// read data from dump file // read from bin file
bytes_read = fread(&etd.data, sizeof(uint8_t), sizeof(etd.data), fdump); bytes_read = fread(&etd.data, sizeof(uint8_t), DUMP_FILESIZE, fdump);
if (bytes_read != sizeof(etd.data)) { PrintAndLogEx(SUCCESS, "Loaded " _YELLOW_("%i") " bytes from bin file " _YELLOW_("%s"),
bytes_read,
filename
);
fclose(fdump);
}
if (bytes_read != DUMP_FILESIZE) {
PrintAndLogEx(FAILED, "Read error"); PrintAndLogEx(FAILED, "Read error");
return PM3_EFILE; return PM3_EFILE;
} }
fclose(fdump);
clearCommandBuffer(); clearCommandBuffer();
SendCommandNG(CMD_LF_EM4X50_RESTORE, (uint8_t *)&etd, sizeof(etd)); SendCommandNG(CMD_LF_EM4X50_RESTORE, (uint8_t *)&etd, sizeof(etd));