From ed1d5061a46a62401285e43894cb96989b2cbc60 Mon Sep 17 00:00:00 2001
From: Stepan Broz <stepan@izitra.cz>
Date: Tue, 21 May 2019 16:02:30 +0200
Subject: [PATCH] Make dcc_ip being a per-server value. Moved dcc_ip from prefs
 to sess->server.

---
 src/common/dcc.c      | 8 ++++----
 src/common/dcc.h      | 2 +-
 src/common/hexchat.h  | 5 ++++-
 src/common/inbound.c  | 2 +-
 src/common/outbound.c | 2 +-
 5 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/common/dcc.c b/src/common/dcc.c
index 51f6d661..df129e68 100644
--- a/src/common/dcc.c
+++ b/src/common/dcc.c
@@ -1618,13 +1618,13 @@ dcc_accept (GIOChannel *source, GIOCondition condition, struct DCC *dcc)
 }
 
 guint32
-dcc_get_my_address (void)	/* the address we'll tell the other person */
+dcc_get_my_address (session *sess)	/* the address we'll tell the other person */
 {
 	struct hostent *dns_query;
 	guint32 addr = 0;
 
-	if (prefs.hex_dcc_ip_from_server && prefs.dcc_ip)
-		addr = prefs.dcc_ip;
+	if (prefs.hex_dcc_ip_from_server && sess->server->dcc_ip)
+		addr = sess->server->dcc_ip;
 	else if (prefs.hex_dcc_ip[0])
 	{
 	   dns_query = gethostbyname ((const char *) prefs.hex_dcc_ip);
@@ -1710,7 +1710,7 @@ dcc_listen_init (struct DCC *dcc, session *sess)
 	/*if we have a dcc_ip, we use that, so the remote client can connect*/
 	/*else we try to take an address from hex_dcc_ip*/
 	/*if something goes wrong we tell the client to connect to our LAN ip*/
-	dcc->addr = dcc_get_my_address ();
+	dcc->addr = dcc_get_my_address (sess);
 
 	/*if nothing else worked we use the address we bound to*/
 	if (dcc->addr == 0)
diff --git a/src/common/dcc.h b/src/common/dcc.h
index 379385e6..74028205 100644
--- a/src/common/dcc.h
+++ b/src/common/dcc.h
@@ -124,7 +124,7 @@ void dcc_chat (session *sess, char *nick, int passive);
 void handle_dcc (session *sess, char *nick, char *word[], char *word_eol[],
 					  const message_tags_data *tags_data);
 void dcc_show_list (session *sess);
-guint32 dcc_get_my_address (void);
+guint32 dcc_get_my_address (session *sess);
 void dcc_get_with_destfile (struct DCC *dcc, char *utf8file);
 
 #endif
diff --git a/src/common/hexchat.h b/src/common/hexchat.h
index 8c4a6a41..0fd98598 100644
--- a/src/common/hexchat.h
+++ b/src/common/hexchat.h
@@ -313,7 +313,6 @@ struct hexchatprefs
 
 	/* these are the private variables */
 	guint32 local_ip;
-	guint32 dcc_ip;
 
 	unsigned int wait_on_exit;	/* wait for logs to be flushed to disk IF we're connected */
 
@@ -482,6 +481,10 @@ typedef struct server
 	int proxy_sok4;
 	int proxy_sok6;
 	int id;					/* unique ID number (for plugin API) */
+
+	/* dcc_ip moved from haxchatprefs to make it per-server */
+	guint32 dcc_ip;
+
 #ifdef USE_OPENSSL
 	SSL_CTX *ctx;
 	SSL *ssl;
diff --git a/src/common/inbound.c b/src/common/inbound.c
index fb8eb511..9c77b231 100644
--- a/src/common/inbound.c
+++ b/src/common/inbound.c
@@ -1420,7 +1420,7 @@ inbound_foundip (session *sess, char *ip, const message_tags_data *tags_data)
 	HostAddr = gethostbyname (ip);
 	if (HostAddr)
 	{
-		prefs.dcc_ip = ((struct in_addr *) HostAddr->h_addr)->s_addr;
+		sess->server->dcc_ip = ((struct in_addr *) HostAddr->h_addr)->s_addr;
 		EMIT_SIGNAL_TIMESTAMP (XP_TE_FOUNDIP, sess->server->server_session,
 									  inet_ntoa (*((struct in_addr *) HostAddr->h_addr)),
 									  NULL, NULL, NULL, 0, tags_data->timestamp);
diff --git a/src/common/outbound.c b/src/common/outbound.c
index 96fb7fe4..614aad38 100644
--- a/src/common/outbound.c
+++ b/src/common/outbound.c
@@ -3287,7 +3287,7 @@ cmd_send (struct session *sess, char *tbuf, char *word[], char *word_eol[])
 	if (!word[2][0])
 		return FALSE;
 
-	addr = dcc_get_my_address ();
+	addr = dcc_get_my_address (sess);
 	if (addr == 0)
 	{
 		/* use the one from our connected server socket */