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added some sanity checks for the person who enters too small blocksize

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iceman1001 2024-01-15 11:18:35 +01:00
commit 0607f3a47b
1 changed files with 26 additions and 0 deletions
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26
client/src/cmdhf15.c
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@ -1250,6 +1250,12 @@ static int CmdHF15ESave(const char *Cmd) {
int count = arg_get_int_def(ctx, 3, -1);
CLIParserFree(ctx);
// sanity checks
if (blocksize < 4) {
PrintAndLogEx(WARNING, "Blocksize too small, using default 4 bytes");
blocksize = 4;
}
int bytes = CARD_MEMORY_SIZE;
if (count > 0 && count * blocksize <= bytes) {
bytes = count * blocksize;
@ -1703,6 +1709,11 @@ static int CmdHF15Dump(const char *Cmd) {
return PM3_EINVARG;
}
if (blocksize < 4) {
PrintAndLogEx(WARNING, "Blocksize too small, using default 4 bytes");
blocksize = 4;
}
// default fallback to scan for tag.
// overriding unaddress parameter :)
if (uidlen != HF15_UID_LENGTH) {
@ -2054,6 +2065,11 @@ static int CmdHF15Readmulti(const char *Cmd) {
return PM3_EINVARG;
}
if (blocksize < 4) {
PrintAndLogEx(WARNING, "Blocksize too small, using default 4 bytes");
blocksize = 4;
}
// enforcing add_option in order to get lock-info
if (add_option == false) {
if (verbose) {
@ -2201,6 +2217,11 @@ static int CmdHF15Readblock(const char *Cmd) {
return PM3_EINVARG;
}
if (blocksize < 4) {
PrintAndLogEx(WARNING, "Blocksize too small, using default 4 bytes");
blocksize = 4;
}
// enforcing add_option in order to get lock-info
if (add_option == false) {
if (verbose) {
@ -2499,6 +2520,11 @@ static int CmdHF15Restore(const char *Cmd) {
return PM3_EINVARG;
}
if (blocksize < 4) {
PrintAndLogEx(WARNING, "Blocksize too small, using default 4 bytes");
blocksize = 4;
}
// default fallback to scan for tag.
// overriding unaddress parameter :)
if (uidlen != HF15_UID_LENGTH) {