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authorLennart Poettering <lennart@poettering.net>2015-02-16 15:59:45 +0100
committerLennart Poettering <lennart@poettering.net>2015-02-16 16:31:29 +0100
commitb267a6d20464a138cae916a676f2c382c51d52de (patch)
tree69c2221dec6e7061a44e717994f1d2b556d6d83b
parent2ac7c17f9d8eeb403b91ee5a389562edaf47fb87 (diff)
sd-bus: make sure we always serialize the reply cookie as 64bit on dbus2, and 32bit on dbus1
-rw-r--r--src/libsystemd/sd-bus/bus-kernel.c2
-rw-r--r--src/libsystemd/sd-bus/bus-message.c28
2 files changed, 19 insertions, 11 deletions
diff --git a/src/libsystemd/sd-bus/bus-kernel.c b/src/libsystemd/sd-bus/bus-kernel.c
index f6ef868e72..e90ee449d9 100644
--- a/src/libsystemd/sd-bus/bus-kernel.c
+++ b/src/libsystemd/sd-bus/bus-kernel.c
@@ -1152,7 +1152,7 @@ int bus_kernel_write_message(sd_bus *bus, sd_bus_message *m, bool hint_sync_call
/* Anybody can send us invalid messages, let's just drop them. */
if (r == -EBADMSG || r == -EPROTOTYPE)
- log_debug_errno(r, "Ignoring invalid message: %m");
+ log_debug_errno(r, "Ignoring invalid synchronous reply: %m");
else
return r;
}
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index 447595764e..2959303033 100644
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -413,6 +413,20 @@ static int message_append_field_uint64(sd_bus_message *m, uint64_t h, uint64_t x
return 0;
}
+static int message_append_reply_cookie(sd_bus_message *m, uint64_t cookie) {
+ assert(m);
+
+ if (BUS_MESSAGE_IS_GVARIANT(m))
+ return message_append_field_uint64(m, BUS_MESSAGE_HEADER_REPLY_SERIAL, cookie);
+ else {
+ /* 64bit cookies are not supported on dbus1 */
+ if (cookie > 0xffffffffUL)
+ return -ENOTSUP;
+
+ return message_append_field_uint32(m, BUS_MESSAGE_HEADER_REPLY_SERIAL, (uint32_t) cookie);
+ }
+}
+
int bus_message_from_header(
sd_bus *bus,
void *header,
@@ -737,14 +751,7 @@ static int message_new_reply(
if (t->reply_cookie == 0)
return -ENOTSUP;
- if (BUS_MESSAGE_IS_GVARIANT(t))
- r = message_append_field_uint64(t, BUS_MESSAGE_HEADER_REPLY_SERIAL, t->reply_cookie);
- else {
- if (t->reply_cookie > 0xffffffff)
- return -ENOTSUP;
-
- r = message_append_field_uint32(t, BUS_MESSAGE_HEADER_REPLY_SERIAL, (uint32_t) t->reply_cookie);
- }
+ r = message_append_reply_cookie(t, t->reply_cookie);
if (r < 0)
goto fail;
@@ -898,7 +905,7 @@ int bus_message_new_synthetic_error(
t->header->flags |= BUS_MESSAGE_NO_REPLY_EXPECTED;
t->reply_cookie = cookie;
- r = message_append_field_uint32(t, BUS_MESSAGE_HEADER_REPLY_SERIAL, (uint32_t) t->reply_cookie);
+ r = message_append_reply_cookie(t, t->reply_cookie);
if (r < 0)
goto fail;
@@ -5818,7 +5825,8 @@ int bus_message_remarshal(sd_bus *bus, sd_bus_message **m) {
return -ENOMEM;
n->reply_cookie = (*m)->reply_cookie;
- r = message_append_field_uint32(n, BUS_MESSAGE_HEADER_REPLY_SERIAL, (uint32_t) n->reply_cookie);
+
+ r = message_append_reply_cookie(n, n->reply_cookie);
if (r < 0)
return r;