github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-21 05:43:48 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

CHG: "hf legic restore" - added a filesize and cardsize check

Browse source
This commit is contained in:
iceman1001 2016-10-08 19:25:23 +02:00
commit 367996567b
1 changed files with 17 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

20
client/cmdhflegic.c
View file

@ -966,7 +966,7 @@ int CmdLegicRestore(const char *Cmd){
uint8_t *data = malloc(numofbytes); uint8_t *data = malloc(numofbytes);
if (!data) { if (!data) {
PrintAndLog("Fail, cannot allocate memory"); PrintAndLog("Fail, cannot allocate memory");
return 3; return 2;
} }
memset(data, 0, numofbytes); memset(data, 0, numofbytes);
@ -976,14 +976,26 @@ int CmdLegicRestore(const char *Cmd){
fnameptr += fileNlen; fnameptr += fileNlen;
sprintf(fnameptr, ".bin"); sprintf(fnameptr, ".bin");
PrintAndLog("Reading binary file...");
if ((f = fopen(filename,"rb")) == NULL) { if ((f = fopen(filename,"rb")) == NULL) {
PrintAndLog("File %s not found or locked", filename); PrintAndLog("File %s not found or locked", filename);
return 2; return 3;
} }
// verify size of dumpfile is the same as card. // verify size of dumpfile is the same as card.
fseek(f, 0, SEEK_END); // seek to end of file
size_t filesize = ftell(f); // get current file pointer
fseek(f, 0, SEEK_SET); // seek back to beginning of file
if ( filesize != numofbytes) {
PrintAndLog("Fail, Filesize and cardsize is not equal. [%u != %u]", filesize, numofbytes);
free(data);
fclose(f);
return 4;
}
PrintAndLog("Reading binary file...");
// load file // load file
size_t bytes_read = fread(data, 1, numofbytes, f); size_t bytes_read = fread(data, 1, numofbytes, f);