tunneldiggercpp

commit 22eab850993d961e12e8d3acd42b85fd854a8e4d
parent 8ee762c8c75f9bf57a2e93bbe1479c3d97052db4
Author: MTRNord <mtrnord1@gmail.com>
Date:   Fri, 22 Sep 2017 20:03:42 +0200

Prepare iptables in broker.

Signed-off-by: MTRNord <mtrnord1@gmail.com>

Diffstat:
M
broker.cpp
 | 
60
++++++++++++++++++++++++++++++++++++++++++++++++++++--------
M
broker.h
 | 
4
++++
M
main.cpp
 | 
1
-

3 files changed, 56 insertions(+), 9 deletions(-)
diff --git a/broker.cpp b/broker.cpp
@@ -2,13 +2,57 @@
 // Created by marce on 22.09.2017.
 //
 
-#include "broker.h"
-#include <iostream>
+#ifdef linux
+    #include "broker.h"
+    #include <iostream>
+    #include <sys/types.h>
+    #include <sys/wait.h>
+    #include <unistd.h>
+    #include <errno.h>
+    #include <stdlib.h>
 
-using namespace std;
+    using namespace std;
 
-int broker::TunnelManager::initialize() {
-    printf("Prepare Routing");
+    broker::TunnelManager::TunnelManager(char * nspaceL) {
+        nspace = nspaceL;
+    }
 
-    return 0;
-}
-\ No newline at end of file
+    int broker::TunnelManager::initialize() {
+        printf("Prepare Routing");
+
+        char * prerouting_chain = (char *) printf("L2TP_PREROUTING_%s", nspace);
+        char * postrouting_chain  = (char *) printf("L2TP_POSTROUTING_%s", nspace);
+
+        pid_t pid;
+        int status;
+        pid_t ret;
+        char *const args[3] = {"iptables", "--version", NULL};
+        char **env;
+        extern char **environ;
+
+        /* ... Sanitize arguments ... */
+
+        pid = fork();
+        if (pid == -1) {
+            /* Handle error */
+        } else if (pid != 0) {
+            while ((ret = waitpid(pid, &status, 0)) == -1) {
+                if (errno != EINTR) {
+                    /* Handle error */
+                    break;
+                }
+            }
+            if ((ret != -1) &&
+                (!WIFEXITED(status) || !WEXITSTATUS(status)) ) {
+                /* Report unexpected child status */
+            }
+        } else {
+            if (execve("iptables", args, env) == -1) {
+                /* Handle error */
+                _Exit(127);
+            }
+        }
+
+        return 0;
+    }
+#endif
+\ No newline at end of file
diff --git a/broker.h b/broker.h
@@ -10,7 +10,11 @@ class broker {
     public:
         class TunnelManager {
             public:
+                TunnelManager(char * nspaceL);
                 int initialize();
+            private:
+                //Namespace is a taken var name in C++ so I use nspace isntead
+                char * nspace;
         };
 };
 
diff --git a/main.cpp b/main.cpp
@@ -1,6 +1,5 @@
 #ifdef linux
     #include <unistd.h>
-    #include <libiptc/libiptc.h>
 #endif
 #include <iostream>