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https://github.com/Divested-Mobile/DivestOS-Build.git
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86 lines
3.8 KiB
Diff
86 lines
3.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: "Nate(Qiang) Jiang" <qiangjiang@google.com>
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Date: Thu, 13 Apr 2023 21:20:37 +0000
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Subject: [PATCH] DO NOT MERGE: Add size check on PPS#policy
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Bug: 275340417
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Test: atest android.net.wifi
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:d1afd2c47d086e0365bf6814a9f47555c294769f)
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Merged-In: I6e6128b7ed5327da8dbc9186a82bef0f2e4197bb
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Change-Id: I6e6128b7ed5327da8dbc9186a82bef0f2e4197bb
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---
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.../android/net/wifi/hotspot2/pps/Policy.java | 28 ++++++++++++++++---
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1 file changed, 24 insertions(+), 4 deletions(-)
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diff --git a/wifi/java/android/net/wifi/hotspot2/pps/Policy.java b/wifi/java/android/net/wifi/hotspot2/pps/Policy.java
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index b0a2cc397c53..4bdacebda060 100644
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--- a/wifi/java/android/net/wifi/hotspot2/pps/Policy.java
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+++ b/wifi/java/android/net/wifi/hotspot2/pps/Policy.java
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@@ -16,6 +16,9 @@
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package android.net.wifi.hotspot2.pps;
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+import static android.net.wifi.hotspot2.PasspointConfiguration.MAX_NUMBER_OF_ENTRIES;
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+import static android.net.wifi.hotspot2.PasspointConfiguration.MAX_STRING_LENGTH;
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+
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.text.TextUtils;
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@@ -269,11 +272,19 @@ public final class Policy implements Parcelable {
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*/
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public boolean validate() {
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if (TextUtils.isEmpty(mFqdn)) {
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- Log.d(TAG, "Missing FQDN");
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+ Log.e(TAG, "Missing FQDN");
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+ return false;
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+ }
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+ if (mFqdn.getBytes(StandardCharsets.UTF_8).length > MAX_STRING_LENGTH) {
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+ Log.e(TAG, "FQDN is too long");
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return false;
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}
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if (TextUtils.isEmpty(mCountries)) {
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- Log.d(TAG, "Missing countries");
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+ Log.e(TAG, "Missing countries");
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+ return false;
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+ }
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+ if (mCountries.getBytes(StandardCharsets.UTF_8).length > MAX_STRING_LENGTH) {
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+ Log.e(TAG, "country is too long");
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return false;
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}
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return true;
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@@ -449,7 +460,7 @@ public final class Policy implements Parcelable {
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}
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for (String ssid : mExcludedSsidList) {
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if (ssid.getBytes(StandardCharsets.UTF_8).length > MAX_SSID_BYTES) {
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- Log.d(TAG, "Invalid SSID: " + ssid);
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+ Log.e(TAG, "Invalid SSID: " + ssid);
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return false;
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}
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}
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@@ -457,15 +468,24 @@ public final class Policy implements Parcelable {
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// Validate required protocol to port map.
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if (mRequiredProtoPortMap != null) {
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for (Map.Entry<Integer, String> entry : mRequiredProtoPortMap.entrySet()) {
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+ int protocol = entry.getKey();
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+ if (protocol < 0 || protocol > 255) {
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+ Log.e(TAG, "Invalid IP protocol: " + protocol);
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+ return false;
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+ }
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String portNumber = entry.getValue();
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if (portNumber.getBytes(StandardCharsets.UTF_8).length > MAX_PORT_STRING_BYTES) {
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- Log.d(TAG, "PortNumber string bytes exceeded the max: " + portNumber);
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+ Log.e(TAG, "PortNumber string bytes exceeded the max: " + portNumber);
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return false;
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}
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}
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}
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// Validate preferred roaming partner list.
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if (mPreferredRoamingPartnerList != null) {
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+ if (mPreferredRoamingPartnerList.size() > MAX_NUMBER_OF_ENTRIES) {
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+ Log.e(TAG, "Number of the Preferred Roaming Partner exceed the limit");
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+ return false;
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+ }
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for (RoamingPartner partner : mPreferredRoamingPartnerList) {
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if (!partner.validate()) {
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return false;
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