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haproxy: add --haproxy-clientip flag to spoof client IPs

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CURLOPT_HAPROXY_CLIENT_IP in the library

Closes #10779
This commit is contained in:
Raito Bezarius 2023-03-16 14:20:11 +01:00 • committed by Daniel Stenberg
parent 9ad23c38e5
commit 0a75964d0d
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GPG key ID: 5CC908FDB71E12C2
21 changed files with 267 additions and 4 deletions
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7
lib/cf-haproxy.c
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@ -71,6 +71,7 @@ static CURLcode cf_haproxy_date_out_set(struct Curl_cfilter*cf,
struct cf_haproxy_ctx *ctx = cf->ctx;
CURLcode result;
const char *tcp_version;
const char *client_ip;
DEBUGASSERT(ctx);
DEBUGASSERT(ctx->state == HAPROXY_INIT);
@ -82,11 +83,15 @@ static CURLcode cf_haproxy_date_out_set(struct Curl_cfilter*cf,
#endif /* USE_UNIX_SOCKETS */
/* Emit the correct prefix for IPv6 */
tcp_version = cf->conn->bits.ipv6 ? "TCP6" : "TCP4";
if(data->set.str[STRING_HAPROXY_CLIENT_IP])
client_ip = data->set.str[STRING_HAPROXY_CLIENT_IP];
else
client_ip = data->info.conn_primary_ip;
result = Curl_dyn_addf(&ctx->data_out, "PROXY %s %s %s %i %i\r\n",
tcp_version,
data->info.conn_local_ip,
data->info.conn_primary_ip,
client_ip,
data->info.conn_local_port,
data->info.conn_primary_port);