dash/proxmark3
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

boundry check for tosend buffer

Browse Source
This commit is contained in:
iceman1001
2020-09-28 17:46:12 +02:00
parent 709b872498
commit 566d6dc4b7
1 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
armsrc/BigBuf.c
View File

@@ -292,6 +292,12 @@ void tosend_reset(void) {
} }
void tosend_stuffbit(int b) { void tosend_stuffbit(int b) {
if (toSend.max >= TOSEND_BUFFER_SIZE - 1) {
Dbprintf(_RED_("toSend overflow"));
return;
}
if (toSend.bit >= 8) { if (toSend.bit >= 8) {
toSend.max++; toSend.max++;
toSend.buf[toSend.max] = 0; toSend.buf[toSend.max] = 0;
@@ -299,7 +305,7 @@ void tosend_stuffbit(int b) {
} }
if (b) if (b)
toSend.buf[ toSend.max] |= (1 << (7 - toSend.bit)); toSend.buf[toSend.max] |= (1 << (7 - toSend.bit));
toSend.bit++; toSend.bit++;