Merge changes Ibea4c13a,I27215a3d

* changes:
  init: Add "partition.*.verified" properties to the property service.
  fs_mgr: Set the 'partition.*.verified' property for verified partitions.

fs_mgr/fs_mgr_verity.c

@@ -30,6 +30,7 @@
 #include <time.h>
 
 #include <private/android_filesystem_config.h>
+#include <cutils/properties.h>
 #include <logwrap/logwrap.h>
 
 #include "mincrypt/rsa.h"
@@ -335,6 +336,26 @@ static int test_access(char *device) {
     return -1;
 }
 
+static int set_verified_property(char *name) {
+    int ret;
+    char *key;
+    ret = asprintf(&key, "partition.%s.verified", name);
+    if (ret < 0) {
+        ERROR("Error formatting verified property");
+        return ret;
+    }
+    ret = PROP_NAME_MAX - strlen(key);
+    if (ret < 0) {
+        ERROR("Verified property name is too long");
+        return -1;
+    }
+    ret = property_set(key, "1");
+    if (ret < 0)
+        ERROR("Error setting verified property %s: %d", key, ret);
+    free(key);
+    return ret;
+}
+
 int fs_mgr_setup_verity(struct fstab_rec *fstab) {
 
     int retval = -1;
@@ -351,6 +372,13 @@ int fs_mgr_setup_verity(struct fstab_rec *fstab) {
     io->flags |= 1;
     io->target_count = 1;
 
+    // check to ensure that the verity device is ext4
+    // TODO: support non-ext4 filesystems
+    if (strcmp(fstab->fs_type, "ext4")) {
+        ERROR("Cannot verify non-ext4 device (%s)", fstab->fs_type);
+        return retval;
+    }
+
     // get the device mapper fd
     int fd;
     if ((fd = open("/dev/device-mapper", O_RDWR)) < 0) {
@@ -403,7 +431,8 @@ int fs_mgr_setup_verity(struct fstab_rec *fstab) {
         goto out;
     }
 
-    retval = 0;
+    // set the property indicating that the partition is verified
+    retval = set_verified_property(mount_point);
 
 out:
     close(fd);

init/property_service.c

@@ -97,6 +97,7 @@ struct {
     { "persist.gps.",      AID_GPS,      0 },
     { "persist.service.bdroid.", AID_BLUETOOTH,   0 },
     { "selinux."         , AID_SYSTEM,   0 },
+    { "partition."        , AID_SYSTEM,   0},
     { NULL, 0, 0 }
 };