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fix(util): skip day synthesis for YYYY-MM input

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parsePatchLevelValue silently synthesized day=01 when input was
6 chars (YYYY-MM) and caller wanted 8-digit YYYYMMDD. If
ro.vendor.build.security_patch ever returns YYYY-MM on a target
device (older Samsung firmware does), the synthesized day
disagrees with the real bulletin day -- a detection fingerprint.
Return null so getRealDevicePatchLevelInt falls through to
Build.VERSION.SECURITY_PATCH, which is always YYYY-MM-DD.
This commit is contained in:
Enginex0
2026-05-19 05:17:40 +01:00
parent 429e033b7f
commit e737453e02
1 changed files with 3 additions and 1 deletions
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app/src/main/java/org/matrix/TEESimulator/util/AndroidDeviceUtils.kt
+3 -1
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@@ -346,7 +346,9 @@ object AndroidDeviceUtils {
6 -> { // YYYYMM 6 -> { // YYYYMM
val year = normalized.substring(0, 4).toInt() val year = normalized.substring(0, 4).toInt()
val month = normalized.substring(4, 6).toInt() val month = normalized.substring(4, 6).toInt()
if (isLong) year * 10000 + month * 100 + 1 else year * 100 + month // Synthesizing day=01 from YYYY-MM disagrees with real device bulletins;
// propagate null so callers fall back to a YYYY-MM-DD source.
if (isLong) null else year * 100 + month
} }
else -> null else -> null
} }