diff options
Diffstat (limited to 'src/libsystemd/sd-bus/bus-message.c')
| -rw-r--r-- | src/libsystemd/sd-bus/bus-message.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c index fb894eff1f..97ab0e3bea 100644 --- a/src/libsystemd/sd-bus/bus-message.c +++ b/src/libsystemd/sd-bus/bus-message.c @@ -617,7 +617,7 @@ static int message_new_reply( t->header->flags |= BUS_MESSAGE_NO_REPLY_EXPECTED; t->reply_cookie = BUS_MESSAGE_COOKIE(call); - r = message_append_field_uint32(t, BUS_MESSAGE_HEADER_REPLY_SERIAL, t->reply_cookie); + r = message_append_field_uint32(t, BUS_MESSAGE_HEADER_REPLY_SERIAL, (uint32_t) t->reply_cookie); if (r < 0) goto fail; @@ -752,7 +752,7 @@ 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, t->reply_cookie); + r = message_append_field_uint32(t, BUS_MESSAGE_HEADER_REPLY_SERIAL, (uint32_t) t->reply_cookie); if (r < 0) goto fail; @@ -5075,21 +5075,26 @@ int bus_message_parse_fields(sd_bus_message *m) { break; } - case BUS_MESSAGE_HEADER_REPLY_SERIAL: + case BUS_MESSAGE_HEADER_REPLY_SERIAL: { + uint32_t serial; + if (m->reply_cookie != 0) return -EBADMSG; if (!streq(signature, "u")) return -EBADMSG; - r = message_peek_field_uint32(m, &ri, item_size, &m->reply_cookie); + r = message_peek_field_uint32(m, &ri, item_size, &serial); if (r < 0) return r; + m->reply_cookie = serial; + if (m->reply_cookie == 0) return -EBADMSG; break; + } case BUS_MESSAGE_HEADER_UNIX_FDS: if (unix_fds != 0) @@ -5489,7 +5494,7 @@ 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, n->reply_cookie); + r = message_append_field_uint32(n, BUS_MESSAGE_HEADER_REPLY_SERIAL, (uint32_t) n->reply_cookie); if (r < 0) return r; |