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authorArne Schwabe <arne@rfc2549.org>2012-09-10 16:21:36 +0200
committerArne Schwabe <arne@rfc2549.org>2012-09-10 16:21:36 +0200
commit191b7ecd2b1f6012ee9cba9e619de4805e7a058b (patch)
tree41f385bef935811c8fc818e28421bc2aff9dcf3e /openvpn/include
parent5aa156924dbabdb7a55ccfd9556e63b337824635 (diff)
Update openvpn version. Matches github.com/schwabe/openvpn
Diffstat (limited to 'openvpn/include')
-rw-r--r--openvpn/include/openvpn-plugin.h61
1 files changed, 60 insertions, 1 deletions
diff --git a/openvpn/include/openvpn-plugin.h b/openvpn/include/openvpn-plugin.h
index 1c80eec3..0879f490 100644
--- a/openvpn/include/openvpn-plugin.h
+++ b/openvpn/include/openvpn-plugin.h
@@ -43,6 +43,8 @@ typedef X509 openvpn_x509_cert_t;
#endif
#endif
+#include <stdarg.h>
+
#ifdef __cplusplus
extern "C" {
#endif
@@ -145,7 +147,7 @@ typedef void *openvpn_plugin_handle_t;
/*
* For Windows (needs to be modified for MSVC)
*/
-#if defined(__MINGW32_VERSION) && !defined(OPENVPN_PLUGIN_H)
+#if defined(WIN32) && !defined(OPENVPN_PLUGIN_H)
# define OPENVPN_EXPORT __declspec(dllexport)
#else
# define OPENVPN_EXPORT
@@ -205,6 +207,59 @@ struct openvpn_plugin_string_list
#define OPENVPN_PLUGINv3_STRUCTVER 1
/**
+ * Definitions needed for the plug-in callback functions.
+ */
+typedef enum
+{
+ PLOG_ERR = (1 << 0), /* Error condition message */
+ PLOG_WARN = (1 << 1), /* General warning message */
+ PLOG_NOTE = (1 << 2), /* Informational message */
+ PLOG_DEBUG = (1 << 3), /* Debug message, displayed if verb >= 7 */
+
+ PLOG_ERRNO = (1 << 8), /* Add error description to message */
+ PLOG_NOMUTE = (1 << 9), /* Mute setting does not apply for message */
+
+} openvpn_plugin_log_flags_t;
+
+
+#ifdef __GNUC__
+#if __USE_MINGW_ANSI_STDIO
+# define _ovpn_chk_fmt(a, b) __attribute__ ((format(gnu_printf, (a), (b))))
+#else
+# define _ovpn_chk_fmt(a, b) __attribute__ ((format(__printf__, (a), (b))))
+#endif
+#else
+# define _ovpn_chk_fmt(a, b)
+#endif
+
+typedef void (*plugin_log_t) (openvpn_plugin_log_flags_t flags,
+ const char *plugin_name,
+ const char *format, ...) _ovpn_chk_fmt(3, 4);
+
+typedef void (*plugin_vlog_t) (openvpn_plugin_log_flags_t flags,
+ const char *plugin_name,
+ const char *format,
+ va_list arglist) _ovpn_chk_fmt(3, 0);
+
+#undef _ovpn_chk_fmt
+
+/**
+ * Used by the openvpn_plugin_open_v3() function to pass callback
+ * function pointers to the plug-in.
+ *
+ * plugin_log
+ * plugin_vlog : Use these functions to add information to the OpenVPN log file.
+ * Messages will only be displayed if the plugin_name parameter
+ * is set. PLOG_DEBUG messages will only be displayed with plug-in
+ * debug log verbosity (at the time of writing that's verb >= 7).
+ */
+struct openvpn_plugin_callbacks
+{
+ plugin_log_t plugin_log;
+ plugin_vlog_t plugin_vlog;
+};
+
+/**
* Arguments used to transport variables to the plug-in.
* The struct openvpn_plugin_args_open_in is only used
* by the openvpn_plugin_open_v3() function.
@@ -221,12 +276,16 @@ struct openvpn_plugin_string_list
* variables in "name=value" format. Note that for security reasons,
* these variables are not actually written to the "official"
* environmental variable store of the process.
+ *
+ * callbacks : a pointer to the plug-in callback function struct.
+ *
*/
struct openvpn_plugin_args_open_in
{
const int type_mask;
const char ** const argv;
const char ** const envp;
+ struct openvpn_plugin_callbacks *callbacks;
};