xl2tpd: Remove modprobe invocation from kernel-mode patch

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@31563 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/xl2tpd/patches/120-kernel-mode-l2tp.patch

@@ -108,66 +108,6 @@ diff --git a/network.c b/network.c
 index 241bd82..fde250e 100644
 --- a/network.c
 +++ b/network.c
-@@ -22,6 +22,7 @@
- #include <unistd.h>
- #include <stdlib.h>
- #include <sys/ioctl.h>
-+#include <sys/wait.h>
- #ifndef LINUX
- # include <sys/uio.h>
- #endif
-@@ -36,6 +37,51 @@ int server_socket;              /* Server socket */
- int kernel_support;             /* Kernel Support there or not? */
- #endif
- 
-+#ifdef USE_KERNEL
-+void modprobe() {
-+    char * modules[] = { "l2tp_ppp", "pppol2tp", NULL };
-+    char ** module;
-+    char buf[256], *tok;
-+    int pid, exit_status, fd;
-+
-+    FILE * fmod = fopen("/proc/modules", "r");
-+
-+    if (fmod == NULL)
-+        return;
-+
-+    while (fgets(buf, 255, fmod) != NULL) {
-+        if ((tok = strtok(buf, " ")) != NULL) {
-+            for (module = modules; *module != NULL; ++module) {
-+                if (!strcmp(*module, tok)) {
-+                    fclose(fmod);
-+                    return;
-+                }
-+            }
-+        }
-+    }
-+
-+    fclose(fmod);
-+
-+    for (module = modules; *module != NULL; ++module) {
-+        if ((pid = fork()) >= 0) {
-+            if (pid == 0) {
-+                setenv("PATH", "/sbin:/usr/sbin:/bin:/usr/bin", 1);
-+                if ((fd = open("/dev/null", O_RDWR)) > -1) {
-+                    dup2(fd, 1);
-+                    dup2(fd, 2);
-+                }
-+                execlp("modprobe", "modprobe", "-q", *module, (char *)NULL);
-+                exit(1);
-+            } else {
-+                if ((pid = waitpid(pid, &exit_status, 0)) != -1 && WIFEXITED(exit_status)) {
-+                    if (WEXITSTATUS(exit_status) == 0)
-+                        return;
-+                }
-+            }
-+        }
-+    }
-+}
-+#endif
- 
- int init_network (void)
- {
 @@ -45,6 +91,7 @@ int init_network (void)
      server.sin_family = AF_INET;
      server.sin_addr.s_addr = gconfig.listenaddr; 
@@ -187,14 +127,6 @@ index 241bd82..fde250e 100644
      if (bind (server_socket, (struct sockaddr *) &server, sizeof (server)))
      {
          close (server_socket);
-@@ -91,6 +142,7 @@ int init_network (void)
-     }
-     else
-     {
-+        modprobe();
-         int kernel_fd = socket(AF_PPPOX, SOCK_DGRAM, PX_PROTO_OL2TP);
-         if (kernel_fd < 0)
-         {
 @@ -321,6 +373,11 @@ int build_fdset (fd_set *readfds)
  
  	while (tun)