diff options
Diffstat (limited to 'include/openvpn-plugin.h.in')
| -rw-r--r-- | include/openvpn-plugin.h.in | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/include/openvpn-plugin.h.in b/include/openvpn-plugin.h.in index 8614b61..a604f1c 100644 --- a/include/openvpn-plugin.h.in +++ b/include/openvpn-plugin.h.in @@ -221,8 +221,11 @@ struct openvpn_plugin_string_list * OpenVPN to plug-ins. * * 4 Exported secure_memzero() as plugin_secure_memzero() + * + * 5 Exported openvpn_base64_encode() as plugin_base64_encode() + * Exported openvpn_base64_decode() as plugin_base64_decode() */ -#define OPENVPN_PLUGINv3_STRUCTVER 4 +#define OPENVPN_PLUGINv3_STRUCTVER 5 /** * Definitions needed for the plug-in callback functions. @@ -269,6 +272,33 @@ typedef void (*plugin_vlog_t)(openvpn_plugin_log_flags_t flags, */ typedef void (*plugin_secure_memzero_t)(void *data, size_t len); +/** + * Export of openvpn_base64_encode() to be used inside plug-ins + * + * @param data Pointer to data to BASE64 encode + * @param size Length of data, in bytes + * @param *str Pointer to the return buffer. This needed memory is + * allocated by openvpn_base64_encode() and needs to be free()d + * after use. + * + * @return int Returns the length of the buffer created, or -1 on error. + * + */ +typedef int (*plugin_base64_encode_t)(const void *data, int size, char **str); + +/** + * Export of openvpn_base64_decode() to be used inside plug-ins + * + * @param str Pointer to the BASE64 encoded data + * @param data Pointer to the buffer where save the decoded data + * @param size Size of the destination buffer + * + * @return int Returns the length of the decoded data, or -1 on error or + * if the destination buffer is too small. + * + */ +typedef int (*plugin_base64_decode_t)(const char *str, void *data, int size); + /** * Used by the openvpn_plugin_open_v3() function to pass callback @@ -291,6 +321,8 @@ struct openvpn_plugin_callbacks plugin_log_t plugin_log; plugin_vlog_t plugin_vlog; plugin_secure_memzero_t plugin_secure_memzero; + plugin_base64_encode_t plugin_base64_encode; + plugin_base64_decode_t plugin_base64_decode; }; /** @@ -355,7 +387,7 @@ struct openvpn_plugin_args_open_in * type_mask = OPENVPN_PLUGIN_MASK(OPENVPN_PLUGIN_CLIENT_CONNECT) * | OPENVPN_PLUGIN_MASK(OPENVPN_PLUGIN_CLIENT_DISCONNECT) * - * *handle : Pointer to a global plug-in context, created by the plug-in. This pointer + * handle : Pointer to a global plug-in context, created by the plug-in. This pointer * is passed on to the other plug-in calls. * * return_list : used to return data back to OpenVPN. @@ -364,7 +396,7 @@ struct openvpn_plugin_args_open_in struct openvpn_plugin_args_open_return { int type_mask; - openvpn_plugin_handle_t *handle; + openvpn_plugin_handle_t handle; struct openvpn_plugin_string_list **return_list; }; @@ -386,9 +418,9 @@ struct openvpn_plugin_args_open_return * these variables are not actually written to the "official" * environmental variable store of the process. * - * *handle : Pointer to a global plug-in context, created by the plug-in's openvpn_plugin_open_v3(). + * handle : Pointer to a global plug-in context, created by the plug-in's openvpn_plugin_open_v3(). * - * *per_client_context : the per-client context pointer which was returned by + * per_client_context : the per-client context pointer which was returned by * openvpn_plugin_client_constructor_v1, if defined. * * current_cert_depth : Certificate depth of the certificate being passed over (only if compiled with ENABLE_CRYPTO defined) |