X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/514702987c9252fcb0ab98882a6603b3bd0505ce..a6253970d63f1b9f3c9d31a9bc8cfab3cdd3be3f:/portfwd.c

diff --git a/portfwd.c b/portfwd.c
index e65dd31a..94aec6e1 100644
--- a/portfwd.c
+++ b/portfwd.c
@@ -1,4 +1,3 @@
-#include <windows.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -61,6 +60,8 @@ struct PFwdPrivate {
     struct plug_function_table *fn;
     /* the above variable absolutely *must* be the first in this structure */
     void *c;			       /* (channel) data used by ssh.c */
+    void *backhandle;		       /* instance of SSH backend itself */
+    /* Note that backhandle need not be filled in if c is non-NULL */
     Socket s;
     char hostname[128];
     int throttled, throttle_override;
@@ -69,8 +70,6 @@ struct PFwdPrivate {
     struct pfwd_queue *waiting;
 };
 
-void pfd_close(Socket s);
-
 
 static int pfd_closing(Plug plug, char *error_msg, int error_code,
 		       int calling_back)
@@ -125,8 +124,8 @@ char *pfd_newconnect(Socket *s, char *hostname, int port, void *c)
     /*
      * Try to find host.
      */
-    addr = sk_namelookup(hostname, &dummy_realhost);
-    if ((err = sk_addr_error(addr)))
+    addr = name_lookup(hostname, port, &dummy_realhost);
+    if ((err = sk_addr_error(addr)) != NULL)
 	return err;
 
     /*
@@ -137,9 +136,10 @@ char *pfd_newconnect(Socket *s, char *hostname, int port, void *c)
     pr->throttled = pr->throttle_override = 0;
     pr->ready = 1;
     pr->c = c;
+    pr->backhandle = NULL;	       /* we shouldn't need this */
 
     pr->s = *s = new_connection(addr, dummy_realhost, port, 0, 1, 0, (Plug) pr);
-    if ((err = sk_socket_error(*s))) {
+    if ((err = sk_socket_error(*s)) != NULL) {
 	sfree(pr);
 	return err;
     }
@@ -170,14 +170,15 @@ static int pfd_accepting(Plug p, void *sock)
     pr->fn = &fn_table;
 
     pr->c = NULL;
+    pr->backhandle = org->backhandle;
 
     pr->s = s = sk_register(sock, (Plug) pr);
-    if ((err = sk_socket_error(s))) {
+    if ((err = sk_socket_error(s)) != NULL) {
 	sfree(pr);
 	return err != NULL;
     }
 
-    pr->c = new_sock_channel(backhandle, s);
+    pr->c = new_sock_channel(org->backhandle, s);
 
     strcpy(pr->hostname, org->hostname);
     pr->port = org->port;
@@ -192,8 +193,7 @@ static int pfd_accepting(Plug p, void *sock)
 	return 1;
     } else {
 	/* asks to forward to the specified host/port for this */
-	ssh_send_port_open(backhandle, pr->c, pr->hostname,
-			   pr->port, "forwarding");
+	ssh_send_port_open(pr->c, pr->hostname, pr->port, "forwarding");
     }
 
     return 0;
@@ -201,9 +201,10 @@ static int pfd_accepting(Plug p, void *sock)
 
 
 /* Add a new forwarding from port -> desthost:destport
- sets up a listener on the local machine on port
+ sets up a listener on the local machine on (srcaddr:)port
  */
-char *pfd_addforward(char *desthost, int destport, int port)
+char *pfd_addforward(char *desthost, int destport, char *srcaddr, int port,
+		     void *backhandle)
 {
     static struct plug_function_table fn_table = {
 	pfd_closing,
@@ -227,9 +228,10 @@ char *pfd_addforward(char *desthost, int destport, int port)
     pr->throttled = pr->throttle_override = 0;
     pr->ready = 0;
     pr->waiting = NULL;
+    pr->backhandle = backhandle;
 
-    pr->s = s = new_listener(port, (Plug) pr, !cfg.lport_acceptall);
-    if ((err = sk_socket_error(s))) {
+    pr->s = s = new_listener(srcaddr, port, (Plug) pr, !cfg.lport_acceptall);
+    if ((err = sk_socket_error(s)) != NULL) {
 	sfree(pr);
 	return err;
     }