diff options
Diffstat (limited to 'plugin')
| -rwxr-xr-x | plugin/defer/build | 4 | ||||
| -rw-r--r-- | plugin/defer/simple.c | 83 | ||||
| -rwxr-xr-x | plugin/examples/build | 4 |
3 files changed, 79 insertions, 12 deletions
diff --git a/plugin/defer/build b/plugin/defer/build index 8b628a2..5907afa 100755 --- a/plugin/defer/build +++ b/plugin/defer/build @@ -8,7 +8,7 @@ # This directory is where we will look for openvpn-plugin.h INCLUDE="-I../.." -CC_FLAGS="-O2 -Wall" +CC_FLAGS="-O2 -Wall -g" gcc $CC_FLAGS -fPIC -c $INCLUDE $1.c && \ -gcc -fPIC -shared -Wl,-soname,$1.so -o $1.so $1.o -lc +gcc $CC_FLAGS -fPIC -shared -Wl,-soname,$1.so -o $1.so $1.o -lc diff --git a/plugin/defer/simple.c b/plugin/defer/simple.c index 7311a3f..2dcf9f2 100644 --- a/plugin/defer/simple.c +++ b/plugin/defer/simple.c @@ -82,25 +82,37 @@ openvpn_plugin_open_v1 (unsigned int *type_mask, const char *argv[], const char { struct plugin_context *context; + printf ("FUNC: openvpn_plugin_open_v1\n"); + /* * Allocate our context */ context = (struct plugin_context *) calloc (1, sizeof (struct plugin_context)); /* - * We are only interested in intercepting the - * --auth-user-pass-verify callback. + * Which callbacks to intercept. We are only interested in + * OPENVPN_PLUGIN_AUTH_USER_PASS_VERIFY, but we intercept all + * the callbacks for illustration purposes, so we can show + * the calling sequence via debug output. */ - *type_mask = OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_AUTH_USER_PASS_VERIFY); + *type_mask = + OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_UP) | + OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_DOWN) | + OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_ROUTE_UP) | + OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_IPCHANGE) | + OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_TLS_VERIFY) | + OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_AUTH_USER_PASS_VERIFY) | + OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_CLIENT_CONNECT_V2) | + OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_CLIENT_DISCONNECT) | + OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_LEARN_ADDRESS) | + OPENVPN_PLUGIN_MASK (OPENVPN_PLUGIN_TLS_FINAL); return (openvpn_plugin_handle_t) context; } -OPENVPN_EXPORT int -openvpn_plugin_func_v1 (openvpn_plugin_handle_t handle, const int type, const char *argv[], const char *envp[]) +static int +auth_user_pass_verify (struct plugin_context *context, const char *argv[], const char *envp[]) { - /* struct plugin_context *context = (struct plugin_context *) handle; */ - /* get username/password from envp string array */ const char *username = get_env ("username", envp); const char *password = get_env ("password", envp); @@ -125,14 +137,69 @@ openvpn_plugin_func_v1 (openvpn_plugin_handle_t handle, const int type, const ch return OPENVPN_PLUGIN_FUNC_DEFERRED; } else + return OPENVPN_PLUGIN_FUNC_ERROR; +} + +OPENVPN_EXPORT int +openvpn_plugin_func_v1 (openvpn_plugin_handle_t handle, const int type, const char *argv[], const char *envp[]) +{ + struct plugin_context *context = (struct plugin_context *) handle; + switch (type) { - return OPENVPN_PLUGIN_FUNC_ERROR; + case OPENVPN_PLUGIN_UP: + printf ("OPENVPN_PLUGIN_UP\n"); + return OPENVPN_PLUGIN_FUNC_SUCCESS; + case OPENVPN_PLUGIN_DOWN: + printf ("OPENVPN_PLUGIN_DOWN\n"); + return OPENVPN_PLUGIN_FUNC_SUCCESS; + case OPENVPN_PLUGIN_ROUTE_UP: + printf ("OPENVPN_PLUGIN_ROUTE_UP\n"); + return OPENVPN_PLUGIN_FUNC_SUCCESS; + case OPENVPN_PLUGIN_IPCHANGE: + printf ("OPENVPN_PLUGIN_IPCHANGE\n"); + return OPENVPN_PLUGIN_FUNC_SUCCESS; + case OPENVPN_PLUGIN_TLS_VERIFY: + printf ("OPENVPN_PLUGIN_TLS_VERIFY\n"); + return OPENVPN_PLUGIN_FUNC_SUCCESS; + case OPENVPN_PLUGIN_AUTH_USER_PASS_VERIFY: + printf ("OPENVPN_PLUGIN_AUTH_USER_PASS_VERIFY\n"); + return auth_user_pass_verify (context, argv, envp); + case OPENVPN_PLUGIN_CLIENT_CONNECT_V2: + printf ("OPENVPN_PLUGIN_CLIENT_CONNECT_V2\n"); + return OPENVPN_PLUGIN_FUNC_SUCCESS; + case OPENVPN_PLUGIN_CLIENT_DISCONNECT: + printf ("OPENVPN_PLUGIN_CLIENT_DISCONNECT\n"); + return OPENVPN_PLUGIN_FUNC_SUCCESS; + case OPENVPN_PLUGIN_LEARN_ADDRESS: + printf ("OPENVPN_PLUGIN_LEARN_ADDRESS\n"); + return OPENVPN_PLUGIN_FUNC_SUCCESS; + case OPENVPN_PLUGIN_TLS_FINAL: + printf ("OPENVPN_PLUGIN_TLS_FINAL\n"); + return OPENVPN_PLUGIN_FUNC_SUCCESS; + default: + printf ("OPENVPN_PLUGIN_?\n"); + return OPENVPN_PLUGIN_FUNC_ERROR; } } +OPENVPN_EXPORT void * +openvpn_plugin_client_constructor_v1 (openvpn_plugin_handle_t handle) +{ + printf ("FUNC: openvpn_plugin_client_constructor_v1\n"); + return malloc(1); +} + +OPENVPN_EXPORT void +openvpn_plugin_client_destructor_v1 (openvpn_plugin_handle_t handle, void *per_client_context) +{ + printf ("FUNC: openvpn_plugin_client_destructor_v1\n"); + free (per_client_context); +} + OPENVPN_EXPORT void openvpn_plugin_close_v1 (openvpn_plugin_handle_t handle) { struct plugin_context *context = (struct plugin_context *) handle; + printf ("FUNC: openvpn_plugin_close_v1\n"); free (context); } diff --git a/plugin/examples/build b/plugin/examples/build index 8b628a2..5907afa 100755 --- a/plugin/examples/build +++ b/plugin/examples/build @@ -8,7 +8,7 @@ # This directory is where we will look for openvpn-plugin.h INCLUDE="-I../.." -CC_FLAGS="-O2 -Wall" +CC_FLAGS="-O2 -Wall -g" gcc $CC_FLAGS -fPIC -c $INCLUDE $1.c && \ -gcc -fPIC -shared -Wl,-soname,$1.so -o $1.so $1.o -lc +gcc $CC_FLAGS -fPIC -shared -Wl,-soname,$1.so -o $1.so $1.o -lc |