Hoernchen has uploaded this change for review. (
https://gerrit.osmocom.org/c/simtrace2/+/43130?usp=email )
Change subject: firmware: sniffer: do not drop maximum-length ATRs
......................................................................
firmware: sniffer: do not drop maximum-length ATRs
7816-3 8.1/8.2.1 allow TS plus 32 bytes.
atr_i is a byte count, not an index, process_byte_atr() guards its own
store with the same condition before incrementing, so atr_i reaches 33.
Change-Id: Ic8398cbefc0b522946b6470fd0268fa70662dab1
---
M firmware/libcommon/source/sniffer.c
1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/simtrace2 refs/changes/30/43130/1
diff --git a/firmware/libcommon/source/sniffer.c
b/firmware/libcommon/source/sniffer.c
index 419e8fb..98cc6cd 100644
--- a/firmware/libcommon/source/sniffer.c
+++ b/firmware/libcommon/source/sniffer.c
@@ -406,7 +406,7 @@
TRACE_WARNING("Can't print ATR in ISO 7816-3 state %u\n\r",
iso_state);
return;
}
- if (g_atr.atr_i >= ARRAY_SIZE(g_atr.atr)) {
+ if (g_atr.atr_i > ARRAY_SIZE(g_atr.atr)) {
TRACE_ERROR("ATR buffer overflow\n\r");
return;
}
--
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Gerrit-MessageType: newchange
Gerrit-Project: simtrace2
Gerrit-Branch: master
Gerrit-Change-Id: Ic8398cbefc0b522946b6470fd0268fa70662dab1
Gerrit-Change-Number: 43130
Gerrit-PatchSet: 1
Gerrit-Owner: Hoernchen <[email protected]>
