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-rw-r--r--src/libsystemd/sd-bus/sd-bus.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c
index 58a625fedd..e0b32730b7 100644
--- a/src/libsystemd/sd-bus/sd-bus.c
+++ b/src/libsystemd/sd-bus/sd-bus.c
@@ -1523,15 +1523,27 @@ static int bus_seal_message(sd_bus *b, sd_bus_message *m, usec_t timeout) {
}
static int bus_remarshal_message(sd_bus *b, sd_bus_message **m) {
+ bool remarshal = false;
+
assert(b);
- /* Do packet version and endianness already match? */
- if ((b->message_version == 0 || b->message_version == (*m)->header->version) &&
- (b->message_endian == 0 || b->message_endian == (*m)->header->endian))
- return 0;
+ /* wrong packet version */
+ if (b->message_version != 0 && b->message_version != (*m)->header->version)
+ remarshal = true;
+
+ /* wrong packet endianness */
+ if (b->message_endian != 0 && b->message_endian != (*m)->header->endian)
+ remarshal = true;
+
+ /* TODO: kdbus-messages received from the kernel contain data which is
+ * not allowed to be passed to KDBUS_CMD_SEND. Therefore, we have to
+ * force remarshaling of the message. Technically, we could just
+ * recreate the kdbus message, but that is non-trivial as other parts of
+ * the message refer to m->kdbus already. This should be fixed! */
+ if ((*m)->kdbus && (*m)->release_kdbus)
+ remarshal = true;
- /* No? Then remarshal! */
- return bus_message_remarshal(b, m);
+ return remarshal ? bus_message_remarshal(b, m) : 0;
}
int bus_seal_synthetic_message(sd_bus *b, sd_bus_message *m) {