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https://github.com/Divested-Mobile/DivestOS-Build.git
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082bc48c32
https://review.lineageos.org/q/topic:P_asb_2022-05 https://review.lineageos.org/q/topic:P_asb_2022-06 https://review.lineageos.org/q/topic:P_asb_2022-07 https://review.lineageos.org/q/topic:P_asb_2022-08 https://review.lineageos.org/q/topic:P_asb_2022-09 https://review.lineageos.org/q/topic:P_asb_2022-10 https://review.lineageos.org/q/topic:P_asb_2022-11 https://review.lineageos.org/q/topic:P_asb_2022-12 https://review.lineageos.org/q/topic:P_asb_2023-01 https://review.lineageos.org/q/topic:P_asb_2023-02 https://review.lineageos.org/q/topic:P_asb_2023-03 https://review.lineageos.org/q/topic:P_asb_2023-04 https://review.lineageos.org/q/topic:P_asb_2023-05 https://review.lineageos.org/q/topic:P_asb_2023-06 https://review.lineageos.org/q/topic:P_asb_2023-07 accounted for via manifest change: https://review.lineageos.org/c/LineageOS/android_external_freetype/+/361250 https://review.lineageos.org/q/topic:P_asb_2023-08 accounted for via manifest change: https://review.lineageos.org/c/LineageOS/android_external_freetype/+/364606 accounted for via patches: https://review.lineageos.org/c/LineageOS/android_system_ca-certificates/+/365328 https://review.lineageos.org/q/topic:P_asb_2023-09 https://review.lineageos.org/q/topic:P_asb_2023-10 https://review.lineageos.org/q/topic:P_asb_2023-11 accounted for via patches: https://review.lineageos.org/c/LineageOS/android_system_ca-certificates/+/374916 https://review.lineageos.org/q/topic:P_asb_2023-12 https://review.lineageos.org/q/topic:P_asb_2024-01 https://review.lineageos.org/q/topic:P_asb_2024-02 https://review.lineageos.org/q/topic:P_asb_2024-03 https://review.lineageos.org/q/topic:P_asb_2024-04 Signed-off-by: Tavi <tavi@divested.dev>
60 lines
2.9 KiB
Diff
60 lines
2.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aishwarya Mallampati <amallampati@google.com>
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Date: Wed, 17 Aug 2022 23:21:18 +0000
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Subject: [PATCH] Check dir path before updating permissions.
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Bug: 240685104
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Test: atest android.telephonyprovider.cts.MmsPartTest
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atest CtsTelephonyTestCases
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Sanity check - sending and receiving sms and mms manually
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Change-Id: I2c60cc2cf8f1f6890678d3cd8c6cfdf31356349f
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Merged-In: I2c60cc2cf8f1f6890678d3cd8c6cfdf31356349f
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(cherry picked from commit 0c3e2ce2810e4f5988b342f96bdd600c293c3187)
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Merged-In: I2c60cc2cf8f1f6890678d3cd8c6cfdf31356349f
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---
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.../providers/telephony/MmsProvider.java | 23 +++++++++++++++----
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1 file changed, 18 insertions(+), 5 deletions(-)
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diff --git a/src/com/android/providers/telephony/MmsProvider.java b/src/com/android/providers/telephony/MmsProvider.java
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index 30158c34..6ba775ba 100644
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--- a/src/com/android/providers/telephony/MmsProvider.java
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+++ b/src/com/android/providers/telephony/MmsProvider.java
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@@ -44,7 +44,10 @@ import android.provider.Telephony.Mms.Part;
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import android.provider.Telephony.Mms.Rate;
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import android.provider.Telephony.MmsSms;
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import android.provider.Telephony.Threads;
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+import android.system.ErrnoException;
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+import android.system.Os;
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import android.text.TextUtils;
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+import android.util.EventLog;
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import android.util.Log;
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import com.google.android.mms.pdu.PduHeaders;
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@@ -815,11 +818,21 @@ public class MmsProvider extends ContentProvider {
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case MMS_PART_RESET_FILE_PERMISSION:
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String path = getContext().getDir(PARTS_DIR_NAME, 0).getPath() + '/' +
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uri.getPathSegments().get(1);
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- // Reset the file permission back to read for everyone but me.
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- int result = FileUtils.setPermissions(path, 0644, -1, -1);
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- if (LOCAL_LOGV) {
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- Log.d(TAG, "MmsProvider.update setPermissions result: " + result +
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- " for path: " + path);
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+ try {
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+ String partsDirPath = getContext().getDir(PARTS_DIR_NAME, 0).getCanonicalPath();
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+ if (!new File(path).getCanonicalPath().startsWith(partsDirPath)) {
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+ EventLog.writeEvent(0x534e4554, "240685104",
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+ Binder.getCallingUid(), (TAG + " update: path " + path +
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+ " does not start with " + partsDirPath));
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+ return 0;
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+ }
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+ // Reset the file permission back to read for everyone but me.
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+ Os.chmod(path, 0644);
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+ if (LOCAL_LOGV) {
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+ Log.d(TAG, "MmsProvider.update chmod is successful for path: " + path);
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+ }
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+ } catch (ErrnoException | IOException e) {
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+ Log.e(TAG, "Exception in chmod: " + e);
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}
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return 0;
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