Fix IPV4/6 privacy leak

SockDiag is emitting IPV4/6 address in log lines. Android Privacy Best
Practices are to not log any PII information in the logs. Remove the
IPV4/6 address on user build.

Change-Id: I8b82af73a60813be230a73002cee01831320884b

1 files changed, 8 insertions, 4 deletions

diff --git a/server/SockDiag.cpp b/server/SockDiag.cpp
index 49ca8d71..ef3a840b 100644
--- a/server/SockDiag.cpp
+++ b/server/SockDiag.cpp
@@ -55,6 +55,8 @@ using netdutils::Stopwatch;
 namespace net {
 namespace {
 
+static const bool isUser = (android::base::GetProperty("ro.build.type", "") == "user");
+
 int getAdbPort() {
     return android::base::GetIntProperty("service.adb.tcp.port", 0);
 }
@@ -335,18 +337,20 @@ int SockDiag::destroySockets(const char* addrstr, int ifindex) {
 
     if (!strchr(addrstr, ':')) {  // inet_ntop never returns something like ::ffff:192.0.2.1
         if (int ret = destroySockets(IPPROTO_TCP, AF_INET, addrstr, ifindex)) {
-            ALOGE("Failed to destroy IPv4 sockets on %s: %s", where.c_str(), strerror(-ret));
+            ALOGE("Failed to destroy IPv4 sockets on %s: %s",
+                (isUser ? "[hidden: user build]" : where.c_str()), strerror(-ret));
             return ret;
         }
     }
     if (int ret = destroySockets(IPPROTO_TCP, AF_INET6, addrstr, ifindex)) {
-        ALOGE("Failed to destroy IPv6 sockets on %s: %s", where.c_str(), strerror(-ret));
+        ALOGE("Failed to destroy IPv6 sockets on %s: %s",
+            (isUser ? "[hidden: user build]" : where.c_str()), strerror(-ret));
         return ret;
     }
 
     if (mSocketsDestroyed > 0) {
-        ALOGI("Destroyed %d sockets on %s in %" PRId64 "us", mSocketsDestroyed, where.c_str(),
-              s.timeTakenUs());
+        ALOGI("Destroyed %d sockets on %s in %" PRId64 "us", mSocketsDestroyed,
+            (isUser ? "[hidden: user build]" : where.c_str()), s.timeTakenUs());
     }
 
     return mSocketsDestroyed;