github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-14 10:37:23 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

fix: 'lf hitag sim' - mem leaks

Browse source 
fix: 'lf hitag cc' - mem leaks
This commit is contained in:
iceman1001 2019-03-14 11:20:44 +01:00
commit cbab48659e
1 changed files with 14 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

16
client/cmdlfhitag.c
View file

@ -277,6 +277,7 @@ int CmdLFHitagSim(const char *Cmd) {
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
free(data);
return usage_hitag_sim();
case '2':
maxdatalen = 48;
@ -326,7 +327,10 @@ int CmdLFHitagSim(const char *Cmd) {
}
//Validations
if (errors || cmdp == 0) return usage_hitag_sim();
if (errors || cmdp == 0) {
free(data);
return usage_hitag_sim();
}
c.arg[0] = (uint32_t)tag_mem_supplied;
if ( tag_mem_supplied ) {
@ -334,6 +338,8 @@ int CmdLFHitagSim(const char *Cmd) {
}
clearCommandBuffer();
SendCommand(&c);
free(data);
return 0;
}
@ -438,6 +444,7 @@ int CmdLFHitagCheckChallenges(const char *Cmd) {
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
free(data);
return usage_hitag_checkchallenges();
case 'f':
param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
@ -459,12 +466,17 @@ int CmdLFHitagCheckChallenges(const char *Cmd) {
}
//Validations
if (errors) return usage_hitag_checkchallenges();
if (errors) {
free(data);
return usage_hitag_checkchallenges();
}
//file with all the challenges to try
c.arg[0] = (uint32_t)file_given;
clearCommandBuffer();
SendCommand(&c);
free(data);
return 0;
}