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Add support for X-Forwarded-For LWS

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I know you've added this for the next release, but here is a fix
for LWS. But just incase there are any more 2.0.x releases.

It does leave the incoming port as 0 but as this is pretty meaningless
for a proxied connection I think it's probably ok.

Signed-off-by: Ben Hardill <hardillb@gmail.com>
This commit is contained in:
Ben Hardill 2022-08-16 13:49:48 +01:00
parent 1ed0c0436a
commit 0eec37af99
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GPG Key ID: 74DD076979ABB1E7
1 changed files with 7 additions and 1 deletions
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8
src/websockets.c
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@ -133,6 +133,7 @@ static int callback_mqtt(
uint8_t *buf;
int rc;
uint8_t byte;
char ip_addr_buff[1024];
switch (reason) {
case LWS_CALLBACK_ESTABLISHED:
@ -157,7 +158,12 @@ static int callback_mqtt(
}else{
return -1;
}
easy_address(lws_get_socket_fd(wsi), mosq);
if (lws_hdr_copy(wsi, ip_addr_buff, sizeof(ip_addr_buff), WSI_TOKEN_X_FORWARDED_FOR) > 0) {
mosq->address = mosquitto__strdup(ip_addr_buff);
} else {
easy_address(lws_get_socket_fd(wsi), mosq);
}
if(!mosq->address){
/* getpeername and inet_ntop failed and not a bridge */
mosquitto__free(mosq);