Remove "protect" command from installd

No one uses the "protect" command anymore, so remove it from installd.

Change-Id: Ia990bae6f95cd6e317496f5dd173ec15164d7164
diff --git a/cmds/installd/commands.c b/cmds/installd/commands.c
index 697d8ec..68f8400 100644
--- a/cmds/installd/commands.c
+++ b/cmds/installd/commands.c
@@ -403,37 +403,6 @@
     }
 }
 
-int protect(char *pkgname, gid_t gid)
-{
-    struct stat s;
-    char pkgpath[PKG_PATH_MAX];
-
-    if (gid < AID_SYSTEM) return -1;
-
-    if (create_pkg_path_in_dir(pkgpath, &android_app_private_dir, pkgname, ".apk"))
-        return -1;
-
-    if (stat(pkgpath, &s) < 0) return -1;
-
-    if (chown(pkgpath, s.st_uid, gid) < 0) {
-        ALOGE("failed to chgrp '%s': %s\n", pkgpath, strerror(errno));
-        return -1;
-    }
-    if (chmod(pkgpath, S_IRUSR|S_IWUSR|S_IRGRP) < 0) {
-        ALOGE("protect(): failed to chmod '%s': %s\n", pkgpath, strerror(errno));
-        return -1;
-    }
-
-#ifdef HAVE_SELINUX
-    if (selinux_android_setfilecon(pkgpath, pkgname, s.st_uid) < 0) {
-        ALOGE("cannot setfilecon dir '%s': %s\n", pkgpath, strerror(errno));
-        return -1;
-    }
-#endif
-
-    return 0;
-}
-
 int get_size(const char *pkgname, int persona, const char *apkpath,
              const char *fwdlock_apkpath, const char *asecpath,
              int64_t *_codesize, int64_t *_datasize, int64_t *_cachesize,
diff --git a/cmds/installd/installd.c b/cmds/installd/installd.c
index 652543fd..cc8f014 100644
--- a/cmds/installd/installd.c
+++ b/cmds/installd/installd.c
@@ -75,11 +75,6 @@
     return delete_cache(arg[0]); /* pkgname */
 }
 
-static int do_protect(char **arg, char reply[REPLY_MAX])
-{
-    return protect(arg[0], atoi(arg[1])); /* pkgname, gid */
-}
-
 static int do_get_size(char **arg, char reply[REPLY_MAX])
 {
     int64_t codesize = 0;
@@ -153,7 +148,6 @@
     { "fixuid",               3, do_fixuid },
     { "freecache",            1, do_free_cache },
     { "rmcache",              1, do_rm_cache },
-    { "protect",              2, do_protect },
     { "getsize",              5, do_get_size },
     { "rmuserdata",           2, do_rm_user_data },
     { "movefiles",            0, do_movefiles },
diff --git a/services/java/com/android/server/pm/Installer.java b/services/java/com/android/server/pm/Installer.java
index d4fe3fb..3329acb 100644
--- a/services/java/com/android/server/pm/Installer.java
+++ b/services/java/com/android/server/pm/Installer.java
@@ -324,20 +324,6 @@
         return execute(builder.toString());
     }
 
-    /*
-     * @param packagePathSuffix The name of the path relative to install
-     * directory. Say if the path name is /data/app/com.test-1.apk, the package
-     * suffix path will be com.test-1
-     */
-    public int setForwardLockPerm(String packagePathSuffix, int gid) {
-        StringBuilder builder = new StringBuilder("protect");
-        builder.append(' ');
-        builder.append(packagePathSuffix);
-        builder.append(' ');
-        builder.append(gid);
-        return execute(builder.toString());
-    }
-
     public int getSizeInfo(String pkgName, int persona, String apkPath, String fwdLockApkPath,
             String asecPath, PackageStats pStats) {
         StringBuilder builder = new StringBuilder("getsize");