port redirection support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1054 c046a42c-6fe2-441c-8c8c-71466251a162

4 files changed, 23 insertions, 3 deletions

diff --git a/slirp/libslirp.h b/slirp/libslirp.h
index 47824b241..772427d11 100644
--- a/slirp/libslirp.h
+++ b/slirp/libslirp.h
@@ -3,8 +3,10 @@
 
 #ifdef _WIN32
 #include <winsock2.h>
+int inet_aton(const char *cp, struct in_addr *ia);
 #else
 #include <sys/select.h>
+#include <arpa/inet.h>
 #endif
 
 void slirp_init(void);
@@ -20,4 +22,9 @@ void slirp_input(const uint8_t *pkt, int pkt_len);
 int slirp_can_output(void);
 void slirp_output(const uint8_t *pkt, int pkt_len);
 
+int slirp_redir(int is_udp, int host_port, 
+                struct in_addr guest_addr, int guest_port);
+
+extern const char *tftp_prefix;
+
 #endif
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 405647b48..bc2b15509 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -617,3 +617,18 @@ void if_encap(const uint8_t *ip_data, int ip_data_len)
     memcpy(buf + sizeof(struct ethhdr), ip_data, ip_data_len);
     slirp_output(buf, ip_data_len + ETH_HLEN);
 }
+
+int slirp_redir(int is_udp, int host_port, 
+                struct in_addr guest_addr, int guest_port)
+{
+    if (is_udp) {
+        if (!udp_listen(htons(host_port), guest_addr.s_addr, 
+                        htons(guest_port), 0))
+            return -1;
+    } else {
+        if (!solisten(htons(host_port), guest_addr.s_addr, 
+                      htons(guest_port), 0))
+            return -1;
+    }
+    return 0;
+}
diff --git a/slirp/tftp.c b/slirp/tftp.c
index e50d25539..90526625c 100644
--- a/slirp/tftp.c
+++ b/slirp/tftp.c
@@ -36,7 +36,7 @@ struct tftp_session {
 
 struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
 
-char *tftp_prefix;
+const char *tftp_prefix;
 
 static void tftp_session_update(struct tftp_session *spt)
 {
diff --git a/slirp/tftp.h b/slirp/tftp.h
index 3ee666a15..f0560b6ab 100644
--- a/slirp/tftp.h
+++ b/slirp/tftp.h
@@ -29,6 +29,4 @@ struct tftp_t {
   } x;
 };
 
-extern char *tftp_prefix;
-
 void tftp_input(struct mbuf *m);