multi-auth.c File Reference

#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <stdbool.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "openvpn-plugin.h"

Include dependency graph for multi-auth.c:

Go to the source code of this file.

Data Structures
struct	plugin_context
struct	plugin_per_client_context

Macros
#define	OPENVPN_PLUGIN_VERSION_MIN   3
#define	OPENVPN_PLUGIN_STRUCTVER_MIN   5

Functions
static void	plog (const struct plugin_context *ctx, int flags, char *fmt,...)
static const char *	get_env (const char *name, const char *envp[])
static const char *	np (const char *str)
static int	atoi_null0 (const char *str)
OPENVPN_EXPORT int	openvpn_plugin_min_version_required_v1 ()
OPENVPN_EXPORT int	openvpn_plugin_open_v3 (const int v3structver, struct openvpn_plugin_args_open_in const *args, struct openvpn_plugin_args_open_return *ret)
static bool	do_auth_user_pass (struct plugin_context *context, const char *username, const char *password)
static int	auth_user_pass_verify (struct plugin_context *context, struct plugin_per_client_context *pcc, const char *argv[], const char *envp[])
OPENVPN_EXPORT int	openvpn_plugin_func_v3 (const int v3structver, struct openvpn_plugin_args_func_in const *args, struct openvpn_plugin_args_func_return *ret)
OPENVPN_EXPORT void *	openvpn_plugin_client_constructor_v1 (openvpn_plugin_handle_t handle)
OPENVPN_EXPORT void	openvpn_plugin_client_destructor_v1 (openvpn_plugin_handle_t handle, void *per_client_context)
OPENVPN_EXPORT void	openvpn_plugin_close_v1 (openvpn_plugin_handle_t handle)

Variables
static char *	MODULE = "multi-auth"
static plugin_vlog_t	_plugin_vlog_func = NULL

Macro Definition Documentation

OPENVPN_PLUGIN_STRUCTVER_MIN

#define OPENVPN_PLUGIN_STRUCTVER_MIN   5

Definition at line 108 of file multi-auth.c.

OPENVPN_PLUGIN_VERSION_MIN

#define OPENVPN_PLUGIN_VERSION_MIN   3

Definition at line 107 of file multi-auth.c.

Function Documentation

atoi_null0()

static int atoi_null0 ( const char *  str )

static

Definition at line 159 of file multi-auth.c.

Referenced by openvpn_plugin_open_v3().

auth_user_pass_verify()

static int auth_user_pass_verify ( struct plugin_context *  context, struct plugin_per_client_context *  pcc, const char *  argv[], const char *  envp[]  )

static

Definition at line 274 of file multi-auth.c.

References do_auth_user_pass(), get_env(), OPENVPN_PLUGIN_FUNC_DEFERRED, OPENVPN_PLUGIN_FUNC_ERROR, OPENVPN_PLUGIN_FUNC_SUCCESS, plugin_context::password, plog(), PLOG_ERR, PLOG_ERRNO, PLOG_NOTE, plugin_context::username, and write.

Referenced by openvpn_plugin_func_v3().

do_auth_user_pass()

static bool do_auth_user_pass ( struct plugin_context *  context, const char *  username, const char *  password  )

static

Definition at line 243 of file multi-auth.c.

References np(), plugin_context::password, plog(), PLOG_ERR, PLOG_NOTE, and plugin_context::username.

Referenced by auth_user_pass_verify().

get_env()

static const char* get_env ( const char *  name, const char *  envp[]  )

static

Definition at line 123 of file multi-auth.c.

Referenced by auth_user_pass_verify().

np()

static const char* np ( const char *  str )

static

Definition at line 146 of file multi-auth.c.

Referenced by ce_management_query_proxy(), ce_management_query_remote(), do_auth_user_pass(), management_client_auth(), print_key_filename(), and tls_lock_username().

openvpn_plugin_client_constructor_v1()

OPENVPN_EXPORT void* openvpn_plugin_client_constructor_v1

(

openvpn_plugin_handle_t

handle

)

Definition at line 393 of file multi-auth.c.

References plog(), and PLOG_NOTE.

openvpn_plugin_client_destructor_v1()

OPENVPN_EXPORT void openvpn_plugin_client_destructor_v1	(	openvpn_plugin_handle_t	handle,
		void *	per_client_context
	)

Definition at line 401 of file multi-auth.c.

References plog(), and PLOG_NOTE.

openvpn_plugin_close_v1()

OPENVPN_EXPORT void openvpn_plugin_close_v1

(

openvpn_plugin_handle_t

handle

)

Definition at line 409 of file multi-auth.c.

References plog(), and PLOG_NOTE.

openvpn_plugin_func_v3()

OPENVPN_EXPORT int openvpn_plugin_func_v3	(	const int	v3structver,
		struct openvpn_plugin_args_func_in const *	args,
		struct openvpn_plugin_args_func_return *	ret
	)

Definition at line 367 of file multi-auth.c.

References openvpn_plugin_args_func_in::argv, auth_user_pass_verify(), openvpn_plugin_args_func_in::envp, openvpn_plugin_args_func_in::handle, MODULE, OPENVPN_PLUGIN_AUTH_USER_PASS_VERIFY, OPENVPN_PLUGIN_FUNC_ERROR, OPENVPN_PLUGIN_STRUCTVER_MIN, openvpn_plugin_args_func_in::per_client_context, plog(), PLOG_NOTE, and openvpn_plugin_args_func_in::type.

openvpn_plugin_min_version_required_v1()

OPENVPN_EXPORT int openvpn_plugin_min_version_required_v1

(

)

Definition at line 173 of file multi-auth.c.

References OPENVPN_PLUGIN_VERSION_MIN.

openvpn_plugin_open_v3()

OPENVPN_EXPORT int openvpn_plugin_open_v3	(	const int	v3structver,
		struct openvpn_plugin_args_open_in const *	args,
		struct openvpn_plugin_args_open_return *	ret
	)

Definition at line 180 of file multi-auth.c.

References _plugin_vlog_func, openvpn_plugin_args_open_in::argv, atoi_null0(), openvpn_plugin_args_open_in::callbacks, openvpn_plugin_args_open_return::handle, MODULE, OPENVPN_PLUGIN_AUTH_USER_PASS_VERIFY, OPENVPN_PLUGIN_FUNC_ERROR, OPENVPN_PLUGIN_FUNC_SUCCESS, OPENVPN_PLUGIN_MASK, OPENVPN_PLUGIN_STRUCTVER_MIN, plog(), PLOG_ERR, PLOG_NOTE, openvpn_plugin_callbacks::plugin_vlog, and openvpn_plugin_args_open_return::type_mask.

plog()

static void plog ( const struct plugin_context *  ctx, int  flags, char *  fmt,   ...  )

static

Definition at line 76 of file multi-auth.c.

References _plugin_vlog_func, plugin_context::authid, and MODULE.

Referenced by auth_user_pass_verify(), do_auth_user_pass(), openvpn_plugin_client_constructor_v1(), openvpn_plugin_client_destructor_v1(), openvpn_plugin_close_v1(), openvpn_plugin_func_v3(), and openvpn_plugin_open_v3().

Variable Documentation

_plugin_vlog_func

plugin_vlog_t _plugin_vlog_func = NULL

static

Definition at line 74 of file multi-auth.c.

Referenced by openvpn_plugin_open_v3(), and plog().

MODULE

char* MODULE = "multi-auth"

static

Definition at line 60 of file multi-auth.c.

Referenced by openvpn_plugin_func_v3(), openvpn_plugin_open_v3(), and plog().