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#ifndef _CSEC_PLUGIN_H
#define _CSEC_PLUGIN_H
#undef __CONCAT
#if defined(__STDC__)
#define __CONCAT(x,y) x ## y
#else
#define __CONCAT(x,y) x/**/y
#endif
#include <Csec_common.h>
#include "Cpwd.h"
#include "Cmutex.h"
#include "serrno.h"
#include "Cnetdb.h"
#define CSEC_METHOD_NAME_X(METH, MECH) __CONCAT(METH,MECH)
#define CSEC_METHOD_NAME(METH, MECH) CSEC_METHOD_NAME_X(METH, MECH)
#define FP csec_funcptr
#define FPARG Csec_plugin_funcptrs_t *FP
#define MAKE_CALLERS(RT) \
MAKE_CALLER_FUNC_N0(RT,Csec_activate) \
MAKE_CALLER_FUNC_N0(RT,Csec_deactivate) \
MAKE_CALLER_FUNC_N0(RT,Csec_init_context) \
MAKE_CALLER_FUNC_N0(RT,Csec_reinit_context) \
MAKE_CALLER_FUNC_N0(RT,Csec_delete_connection_context) \
MAKE_CALLER_FUNC_N0(RT,Csec_delete_creds) \
MAKE_CALLER_FUNC_N2(RT,Csec_acquire_creds,char *,int) \
MAKE_CALLER_FUNC_N3(RT,Csec_server_establish_context_ext,int,char *,int) \
MAKE_CALLER_FUNC_N1(RT,Csec_client_establish_context,int) \
MAKE_CALLER_FUNC_N3(RT,Csec_map2name,const char *,char *, int) \
MAKE_CALLER_FUNC_N5(RT,Csec_get_service_name,int,char *,char *,char *,int)
#define CSEC_EXTRARG FPARG, Csec_context_t *
#define CSEC_SIMPLENAME(x) x
#define CSEC_FPNAME(x) (*x)
#define CSEC_DECLARE_FUNCTIONS(RT,FP,MECH) \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_activate,MECH)) _PROTO((CSEC_EXTRARG)); \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_deactivate,MECH)) _PROTO((CSEC_EXTRARG)); \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_init_context,MECH)) _PROTO((CSEC_EXTRARG)); \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_reinit_context,MECH)) _PROTO((CSEC_EXTRARG)); \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_delete_connection_context,MECH)) _PROTO((CSEC_EXTRARG)); \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_delete_creds,MECH)) _PROTO((CSEC_EXTRARG)); \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_acquire_creds,MECH)) _PROTO((CSEC_EXTRARG, char *, int)); \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_server_establish_context_ext,MECH)) _PROTO((CSEC_EXTRARG, int, char *, int)); \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_client_establish_context,MECH)) _PROTO((CSEC_EXTRARG, int)); \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_map2name,MECH)) _PROTO((CSEC_EXTRARG, const char *, char *, int)); \
RT DLL_DECL __CONCAT(FP,NAME)(__CONCAT(Csec_get_service_name,MECH)) _PROTO((CSEC_EXTRARG, int, char *, char *, char *, int));
/* for filling/passing and using function pointers to the plugin */
typedef struct Csec_plugin_funcptrs_s {
/* special thread specific variable from Cglobals.c */
int DLL_DECL *(*C__serrno) _PROTO((void));
int DLL_DECL *_serrno;
struct passwd DLL_DECL *(*Cgetpwuid) _PROTO((uid_t));
int DLL_DECL (*Cmutex_lock) _PROTO((void *, int));
int DLL_DECL (*Cmutex_unlock) _PROTO((void *));
int DLL_DECL (*Csec_context_is_client) _PROTO((Csec_context_t *));
int DLL_DECL (*Csec_errmsg) _PROTO((char *, char *, ...));
int DLL_DECL (*_Csec_recv_token) _PROTO((int, csec_buffer_t, int, int *));
int DLL_DECL (*_Csec_send_token) _PROTO ((int, csec_buffer_t, int, int));
int DLL_DECL (*Csec_trace) _PROTO((char *, char *, ...));
int DLL_DECL (*Csec_isIdAService) _PROTO((const char *, const char *));
struct hostent DLL_DECL *(*Cgethostbyaddr) _PROTO((const void *, size_t, int));
} Csec_plugin_funcptrs_t;
typedef struct Csec_plugin_pluginptrs_s {
void *handle;
CSEC_DECLARE_FUNCTIONS(int,CSEC_FP,)
} Csec_plugin_pluginptrs_t;
#ifdef _CSEC_CALLS_PLUGIN
#ifdef KRB4
CSEC_DECLARE_FUNCTIONS(EXTERN_C int,CSEC_SIMPLE,_KRB4)
#endif
#ifdef KRB5
CSEC_DECLARE_FUNCTIONS(EXTERN_C int,CSEC_SIMPLE,_KRB5)
#endif
#ifdef GSI
CSEC_DECLARE_FUNCTIONS(EXTERN_C int,CSEC_SIMPLE,_GSI)
CSEC_DECLARE_FUNCTIONS(EXTERN_C int,CSEC_SIMPLE,_GSI_pthr)
#endif
CSEC_DECLARE_FUNCTIONS(EXTERN_C int,CSEC_SIMPLE,_ID)
#ifdef serrno
#define _CSEC_C__SERRNO_P &C__serrno
#else
#define _CSEC_C__SERRNO_P NULL
#endif
#define FILL_FUNCPTR_STRUCT(x) \
Csec_plugin_funcptrs_t x = { \
_CSEC_C__SERRNO_P, \
&serrno, \
&Cgetpwuid, \
&Cmutex_lock, \
&Cmutex_unlock, \
&Csec_context_is_client, \
&Csec_errmsg, \
&_Csec_recv_token, \
&_Csec_send_token, \
&Csec_trace, \
&Csec_isIdAService, \
&Cgethostbyaddr };
#define PLUGINFP(CTX,x) (((Csec_plugin_pluginptrs_t *)((CTX)->shhandle))->x)
#define MAKE_CALLER_FUNC_N0(RT,NAME) \
RT DLL_DECL __CONCAT(NAME,_caller) (Csec_context_t *ctx) { \
FILL_FUNCPTR_STRUCT(funcs) \
return (*PLUGINFP(ctx,NAME))(&funcs, ctx); }
#define MAKE_CALLER_FUNC_N1(RT,NAME,T2) \
RT DLL_DECL __CONCAT(NAME,_caller) (Csec_context_t *ctx, T2 t2) { \
FILL_FUNCPTR_STRUCT(funcs) \
return (*PLUGINFP(ctx,NAME))(&funcs, ctx, t2); }
#define MAKE_CALLER_FUNC_N2(RT,NAME,T2,T3) \
RT DLL_DECL __CONCAT(NAME,_caller) (Csec_context_t *ctx, T2 t2, T3 t3) { \
FILL_FUNCPTR_STRUCT(funcs) \
return (*PLUGINFP(ctx,NAME))(&funcs, ctx, t2, t3); }
#define MAKE_CALLER_FUNC_N3(RT,NAME,T2,T3,T4) \
RT DLL_DECL __CONCAT(NAME,_caller) (Csec_context_t *ctx, T2 t2, T3 t3, T4 t4) { \
FILL_FUNCPTR_STRUCT(funcs) \
return (*PLUGINFP(ctx,NAME))(&funcs, ctx, t2, t3, t4); }
#define MAKE_CALLER_FUNC_N5(RT,NAME,T2,T3,T4,T5,T6) \
RT DLL_DECL __CONCAT(NAME,_caller) (Csec_context_t *ctx, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6) { \
FILL_FUNCPTR_STRUCT(funcs) \
return (*PLUGINFP(ctx,NAME))(&funcs, ctx, t2, t3, t4, t5, t6); }
MAKE_CALLERS(static int)
#else
#ifdef KRB4
CSEC_DECLARE_FUNCTIONS(int,CSEC_SIMPLE,_KRB4)
#endif
#ifdef KRB5
CSEC_DECLARE_FUNCTIONS(int,CSEC_SIMPLE,_KRB5)
#endif
#ifdef GSI
CSEC_DECLARE_FUNCTIONS(int,CSEC_SIMPLE,_GSI)
CSEC_DECLARE_FUNCTIONS(int,CSEC_SIMPLE,_GSI_pthr)
#endif
CSEC_DECLARE_FUNCTIONS(int,CSEC_SIMPLE,_ID)
#ifndef serrno
#define serrno (*FP->_serrno)
#else
#undef serrno
#define serrno (*_Csec_plugin_serrno(FP))
static int *_Csec_plugin_serrno(FPARG) {
if (FP->C__serrno != NULL) {
return (*FP->C__serrno)();
}
return FP->_serrno;
}
#endif
#if defined(Cgetpwuid) || defined(Cmutex_lock) || defined(Cmutex_unlock) || \
defined(Csec_context_is_client) || defined(Csec_errmsg) || defined(_Csec_recv_token) || \
defined(_Csec_send_token) || defined(Csec_trace) || defined(Csec_isIdAService) || \
defined(Cgethostbyaddr)
#error unexpected redefine
#endif
#define Cgetpwuid (*FP->Cgetpwuid)
#define Cmutex_lock (*FP->Cmutex_lock)
#define Cmutex_unlock (*FP->Cmutex_unlock)
#define Csec_context_is_client (*FP->Csec_context_is_client)
#define Csec_errmsg (*FP->Csec_errmsg)
#define _Csec_recv_token (*FP->_Csec_recv_token)
#define _Csec_send_token (*FP->_Csec_send_token)
#define Csec_trace (*FP->Csec_trace)
#define Csec_isIdAService (*FP->Csec_isIdAService)
#define Cgethostbyaddr (*FP->Cgethostbyaddr)
#endif /* _CSEC_CALLS_PLUGIN */
#endif /* Csec_plugin.h */
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