liz/flipperzero-firmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

NFC: fix memory corruption in nfc_worker_read_mifare_desfire (#1156)

Browse Source 
* NFC: fix memory corruption in nfc_worker_read_mifare_desfire
* NFC: if the NFC tag doesn't have apps or files, don't try to save them.
* NFC: make-format

Co-authored-by: Jack Doan <jackdoan@rivian.com>
Co-authored-by: Skorpionm <85568270+Skorpionm@users.noreply.github.com>
Co-authored-by: Nikolay Minaylov <nm29719@gmail.com>
Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Jack Doan
2022-04-25 09:59:48 -05:00
committed by GitHub
parent ce211f9a2b
commit 81aeda86db
2 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
applications/nfc/nfc_device.c
View File

@@ -262,6 +262,7 @@ static bool nfc_device_save_mifare_df_app(FlipperFormat* file, MifareDesfireAppl
file, app->key_settings, string_get_cstr(prefix)))
break;
}
if(!app->file_head) break;
uint32_t n_files = 0;
for(MifareDesfireFile* f = app->file_head; f; f = f->next) {
n_files++;
@@ -477,6 +478,7 @@ static bool nfc_device_save_mifare_df_data(FlipperFormat* file, NfcDevice* dev)
n_apps++;
}
if(!flipper_format_write_uint32(file, "Application Count", &n_apps, 1)) break;
if(n_apps == 0) break;
tmp = malloc(n_apps * 3);
int i = 0;
for(MifareDesfireApplication* app = data->app_head; app; app = app->next) {