[Enterprise] Fix hasEnterpriseConfigChanged method

Updated the hasEnterpriseConfigChanged method to look at additional
fields related to the credential: CA and Client certificate
aliases, Subject alternate match and OCSP setting.

Bug: 162985598
Test: atest WifiConfigurationUtilTest
Change-Id: I6fe2ccf27b71072b06de92128e5c1bf429efe251
Merged-In: I6fe2ccf27b71072b06de92128e5c1bf429efe251
(cherry picked from commit 2828d29df8f91a98cd24cfb2e6f226ac402f330c)

1 files changed, 21 insertions, 2 deletions

diff --git a/service/java/com/android/server/wifi/WifiConfigurationUtil.java b/service/java/com/android/server/wifi/WifiConfigurationUtil.java
index f37472ead..336d97810 100644
--- a/service/java/com/android/server/wifi/WifiConfigurationUtil.java
+++ b/service/java/com/android/server/wifi/WifiConfigurationUtil.java
@@ -224,6 +224,11 @@ public class WifiConfigurationUtil {
             if (existingEnterpriseConfig.getEapMethod() != newEnterpriseConfig.getEapMethod()) {
                 return true;
             }
+            if (existingEnterpriseConfig.isAuthenticationSimBased()) {
+                // No other credential changes for SIM based methods.
+                // The SIM card is the credential.
+                return false;
+            }
             if (existingEnterpriseConfig.getPhase2Method()
                     != newEnterpriseConfig.getPhase2Method()) {
                 return true;
@@ -232,8 +237,7 @@ public class WifiConfigurationUtil {
                                   newEnterpriseConfig.getIdentity())) {
                 return true;
             }
-            if (!existingEnterpriseConfig.isAuthenticationSimBased()
-                    && !TextUtils.equals(existingEnterpriseConfig.getAnonymousIdentity(),
+            if (!TextUtils.equals(existingEnterpriseConfig.getAnonymousIdentity(),
                     newEnterpriseConfig.getAnonymousIdentity())) {
                 return true;
             }
@@ -246,6 +250,21 @@ public class WifiConfigurationUtil {
             if (!Arrays.equals(existingCaCerts, newCaCerts)) {
                 return true;
             }
+            if (!Arrays.equals(newEnterpriseConfig.getCaCertificateAliases(),
+                    existingEnterpriseConfig.getCaCertificateAliases())) {
+                return true;
+            }
+            if (!TextUtils.equals(newEnterpriseConfig.getClientCertificateAlias(),
+                    existingEnterpriseConfig.getClientCertificateAlias())) {
+                return true;
+            }
+            if (!TextUtils.equals(newEnterpriseConfig.getAltSubjectMatch(),
+                    existingEnterpriseConfig.getAltSubjectMatch())) {
+                return true;
+            }
+            if (newEnterpriseConfig.getOcsp() != existingEnterpriseConfig.getOcsp()) {
+                return true;
+            }
         } else {
             // One of the configs may have an enterpriseConfig
             if (existingEnterpriseConfig != null || newEnterpriseConfig != null) {