支持自定义远程主机IP地址 -s 127.0.0.1:80 或者 -s 80 这时默认 -s 0.0.0.0:80

forward-tunnel.c

@@ -12,7 +12,7 @@ char *server_ssh_passwd = "123456";
 const char *local_listenip = "0.0.0.0";
 unsigned int local_listenport = 3009;
 
-const char *remote_desthost = "0.0.0.0"; /* resolved by the server */
+char *remote_desthost = "0.0.0.0"; /* resolved by the server */
 unsigned int remote_destport = 3306;
 
 enum {
@@ -279,6 +279,7 @@ int main(int argc, char *argv[], char **env)
     int listensock = -1, forwardsock = -1;
     int daemon_ = 0;
     int opt;
+    char *p = NULL;
     
     
     char optstring[] = ":dr:s:p:l:u:e:h?";
@@ -291,7 +292,24 @@ int main(int argc, char *argv[], char **env)
             server_ssh_ip = strdup(optarg);
             break;
         case 's':
-            remote_destport = atoi(optarg);
+            p = strchr(optarg, ':');
+            if (p != NULL) {
+                remote_destport = atoi(p + 1);
+                
+                *p = '\0';
+                remote_desthost = optarg;
+                
+            } else {
+                if (NULL == (p = strchr(optarg, '.')))
+                {
+                    remote_destport =atoi(optarg);
+                    remote_desthost = "0.0.0.0";
+                } else {
+                    help_info();
+                    exit(0);
+                }
+            }
+            
             break;
         case 'p':
             server_ssh_port = atoi(optarg);
@@ -315,6 +333,19 @@ int main(int argc, char *argv[], char **env)
         }
     }
     
+    int i, j;
+    for (i = 1; i < argc; i++) {
+        
+        if (0 == strcmp(argv[i], "-e") || 0 == strcmp(argv[i], "-u") || 0 == strcmp(argv[i], "-p"))
+        {
+            for (j = strlen(argv[i+1]) - 1; j >= 0; j--) {
+                argv[i+1][j] = 'x';
+            }
+        }
+
+    }
+    
+    
     
     printf("SSH Server: %s:%d, Local listen: %s:%d, User&Passwd: [%s]['%s']\n", server_ssh_ip, remote_destport, local_listenip, local_listenport, server_ssh_user, server_ssh_passwd);