shared/bus-unit-util: define helper for RootHash=

diff --git a/src/shared/bus-unit-util.c b/src/shared/bus-unit-util.c
index 71b141fe9917d2b6701220d7e33e56c4185be36e..ba4ba65dfa3730a594ee36f7cbe7932fff089ff4 100644 (file)
--- a/src/shared/bus-unit-util.c
+++ b/src/shared/bus-unit-util.c
@@ -1600,6 +1600,25 @@ static int bus_append_temporary_file_system(sd_bus_message *m, const char *field
         return 1;
 }
 
+static int bus_append_root_hash(sd_bus_message *m, const char *field, const char *eq) {
+        _cleanup_free_ void *roothash_decoded = NULL;
+        size_t roothash_decoded_size = 0;
+        int r;
+
+        /* We have the path to a roothash to load and decode, eg: RootHash=/foo/bar.roothash */
+        if (path_is_absolute(eq))
+                return bus_append_string(m, "RootHashPath", eq);
+
+        /* We have a roothash to decode, eg: RootHash=012345789abcdef */
+        r = unhexmem(eq, &roothash_decoded, &roothash_decoded_size);
+        if (r < 0)
+                return log_error_errno(r, "Failed to decode RootHash= '%s': %m", eq);
+        if (roothash_decoded_size < sizeof(sd_id128_t))
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "RootHash= '%s' is too short.", eq);
+
+        return bus_append_byte_array(m, field, roothash_decoded, roothash_decoded_size);
+}
+
 static int bus_append_cgroup_property(sd_bus_message *m, const char *field, const char *eq) {
         if (STR_IN_SET(field, "DevicePolicy",
                               "Slice",
@@ -1946,23 +1965,8 @@ static int bus_append_execute_property(sd_bus_message *m, const char *field, con
         if (streq(field, "TemporaryFileSystem"))
                 return bus_append_temporary_file_system(m, field, eq);
 
-        if (streq(field, "RootHash")) {
-                _cleanup_free_ void *roothash_decoded = NULL;
-                size_t roothash_decoded_size = 0;
-
-                /* We have the path to a roothash to load and decode, eg: RootHash=/foo/bar.roothash */
-                if (path_is_absolute(eq))
-                        return bus_append_string(m, "RootHashPath", eq);
-
-                /* We have a roothash to decode, eg: RootHash=012345789abcdef */
-                r = unhexmem(eq, &roothash_decoded, &roothash_decoded_size);
-                if (r < 0)
-                        return log_error_errno(r, "Failed to decode RootHash= '%s': %m", eq);
-                if (roothash_decoded_size < sizeof(sd_id128_t))
-                        return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "RootHash= '%s' is too short.", eq);
-
-                return bus_append_byte_array(m, field, roothash_decoded, roothash_decoded_size);
-        }
+        if (streq(field, "RootHash"))
+                return bus_append_root_hash(m, field, eq);
 
         if (streq(field, "RootHashSignature")) {
                 _cleanup_free_ void *roothash_sig_decoded = NULL;