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Code Issues Packages Projects Releases 2 Wiki Activity

fix multibyte path in private message and repeter

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This commit is contained in:
PacoX
2026-05-23 13:32:11 +02:00
parent 945a118853
commit 5486ae8ccb
5 changed files with 195 additions and 19 deletions
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lib/models/contact.dart
+13 -3
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@@ -166,8 +166,18 @@ class Contact {
final type = reader.readByte();
final flags = reader.readByte();
final pathLen = reader.readByte();
final safePathLen = pathLen > 0
? (pathLen > maxPathSize ? maxPathSize : pathLen)
int hopCount = 0;
int byteLen = 0;
if (pathLen == 0xFF) {
hopCount = -1;
} else {
final mode = (pathLen & 0xC0) >> 6;
hopCount = pathLen & 0x3F;
final width = mode + 1;
byteLen = hopCount * width;
}
final safePathLen = byteLen > 0
? (byteLen > maxPathSize ? maxPathSize : byteLen)
: 0;
final pathBytes = reader.readBytes(maxPathSize).sublist(0, safePathLen);
final name = reader.readCStringGreedy(maxNameSize);
@@ -213,7 +223,7 @@ class Contact {
name: name.isEmpty ? 'Unknown' : name,
type: type,
flags: flags,
pathLength: (pathLen == 0xFF || pathLen > maxPathSize) ? -1 : pathLen,
pathLength: hopCount,
path: pathBytes,
latitude: lat,
longitude: lon,