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Code Issues Releases Wiki Activity

fix byte order of DHCP_SERVER_ID option

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If miraclecat is GO, miracle-dhcp runs as server, it send out SERVER_ID
option in little endian, causes non-GO peer connect to wrong IP address, so
RTSP connection can't be established.

In scenario like, say Android (GO) <-> miracalcast (non-GO), the DHCP service
is provided by Android, in this case, the SERVER_ID is in expected byte order
(big endian).
This commit is contained in:
Derek Dai 2016-09-30 23:04:53 +08:00
parent c0f49c3b9c
commit 2a3796cfe9
No known key found for this signature in database
GPG key ID: E109CC97553EF009
1 changed files with 2 additions and 2 deletions
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4
src/dhcp/server.c
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@ -456,7 +456,7 @@ static void init_packet(GDHCPServer *dhcp_server, struct dhcp_packet *packet,
packet->gateway_nip = client_packet->gateway_nip;
packet->ciaddr = client_packet->ciaddr;
dhcp_add_option_uint32(packet, DHCP_SERVER_ID,
dhcp_server->server_nip);
get_be32(&dhcp_server->server_nip));
}
static void add_option(gpointer key, gpointer value, gpointer user_data)
@ -675,7 +675,7 @@ static gboolean listener_event(GIOChannel *channel, GIOCondition condition,
server_id_option = dhcp_get_option(&packet, DHCP_SERVER_ID);
if (server_id_option) {
uint32_t server_nid = get_be32(server_id_option);
uint32_t server_nid = get_unaligned((uint32_t *) server_id_option);
if (server_nid != dhcp_server->server_nip)
return TRUE;