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chg: 'hf iclass decrypt' - now takes transport key as param. also search for key / dump. Also saves decrypted to bin/eml/json_decref

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chg: 'hf iclass encrypt' - now takes transport key as param.
This commit is contained in:
iceman1001 2019-08-29 14:17:39 +02:00
commit f0d73dc3d1
3 changed files with 136 additions and 87 deletions
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53
client/fileutils.c
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@ -50,7 +50,7 @@
#include "scandir.h"
#endif
#define PATH_MAX_LENGTH 100
#define PATH_MAX_LENGTH 200
/**
* @brief checks if a file exists
@ -289,7 +289,7 @@ int saveFileJSON(const char *preferredName, JSONFileType ftype, uint8_t *data, s
for (size_t i = 0; i < (datalen / 8); i++) {
char path[PATH_MAX_LENGTH] = {0};
sprintf(path, "$blocks.%zu", i);
sprintf(path, "$.blocks.%zu", i);
JsonSaveBufAsHexCompact(root, path, data + (i * 8), 8);
}
break;
@ -341,6 +341,7 @@ int createMfcKeyDump(uint8_t sectorsCnt, sector_t *e_sector, char *fptr) {
return PM3_SUCCESS;
}
int loadFile(const char *preferredName, const char *suffix, void *data, size_t maxdatalen, size_t *datalen) {
if (data == NULL) return 1;
@ -401,6 +402,54 @@ out:
return retval;
}
int loadFile_safe(const char *preferredName, const char *suffix, void **pdata, size_t *datalen) {
char *path;
int res = searchFile(&path, "", preferredName, suffix);
if (res != PM3_SUCCESS) {
PrintAndLogEx(INFO, "res: %d Curr path:: %s", res, path);
return PM3_EFILE;
}
int retval = PM3_SUCCESS;
FILE *f = fopen(path, "rb");
if (!f) {
PrintAndLogEx(WARNING, "file not found or locked. '" _YELLOW_("%s")"'", path);
return PM3_EFILE;
}
// get filesize in order to malloc memory
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
if (fsize <= 0) {
PrintAndLogEx(FAILED, "error, when getting filesize");
return PM3_EFILE;
}
*pdata = calloc(fsize, sizeof(uint8_t));
if (!pdata) {
PrintAndLogEx(FAILED, "error, cannot allocate memory");
return PM3_EMALLOC;
}
size_t bytes_read = fread(*pdata, 1, fsize, f);
fclose(f);
if (bytes_read != fsize) {
PrintAndLogEx(FAILED, "error, bytes read mismatch file size");
return PM3_EFILE;
}
*datalen = bytes_read;
PrintAndLogEx(SUCCESS, "loaded %d bytes from binary file " _YELLOW_("%s"), bytes_read, preferredName);
return retval;
}
int loadFileEML(const char *preferredName, void *data, size_t *datalen) {
if (data == NULL) return 1;