/* crypto/crypto.h */

/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

 * All rights reserved.

 *

 * This package is an SSL implementation written

 * by Eric Young (eay@cryptsoft.com).

 * The implementation was written so as to conform with Netscapes SSL.

 * 

 * This library is free for commercial and non-commercial use as long as

 * the following conditions are aheared to.  The following conditions

 * apply to all code found in this distribution, be it the RC4, RSA,

 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation

 * included with this distribution is covered by the same copyright terms

 * except that the holder is Tim Hudson (tjh@cryptsoft.com).

 * 

 * Copyright remains Eric Young's, and as such any Copyright notices in

 * the code are not to be removed.

 * If this package is used in a product, Eric Young should be given attribution

 * as the author of the parts of the library used.

 * This can be in the form of a textual message at program startup or

 * in documentation (online or textual) provided with the package.

 * 

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. All advertising materials mentioning features or use of this software

 *    must display the following acknowledgement:

 *    "This product includes cryptographic software written by

 *     Eric Young (eay@cryptsoft.com)"

 *    The word 'cryptographic' can be left out if the rouines from the library

 *    being used are not cryptographic related :-).

 * 4. If you include any Windows specific code (or a derivative thereof) from 

 *    the apps directory (application code) you must include an acknowledgement:

 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

 * 

 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 * 

 * The licence and distribution terms for any publically available version or

 * derivative of this code cannot be changed.  i.e. this code cannot simply be

 * copied and put under another distribution licence

 * [including the GNU Public Licence.]

 */

#ifndef HEADER_CRYPTO_H

#define HEADER_CRYPTO_H

#include <stdlib.h>

#ifndef OPENSSL_NO_FP_API

#include <stdio.h>

#endif

#include <openssl/stack.h>

#include <openssl/safestack.h>

#include <openssl/opensslv.h>

#ifdef CHARSET_EBCDIC

#include <openssl/ebcdic.h>

#endif

/* Resolve problems on some operating systems with symbol names that clash

   one way or another */

#include <openssl/symhacks.h>

#ifdef  __cplusplus

extern "C" {

#endif

/* Backward compatibility to SSLeay */

/* This is more to be used to check the correct DLL is being used

 * in the MS world. */

#define SSLEAY_VERSION_NUMBER	OPENSSL_VERSION_NUMBER

#define SSLEAY_VERSION		0

/* #define SSLEAY_OPTIONS	1 no longer supported */

#define SSLEAY_CFLAGS		2

#define SSLEAY_BUILT_ON		3

#define SSLEAY_PLATFORM		4

#define SSLEAY_DIR		5

/* When changing the CRYPTO_LOCK_* list, be sure to maintin the text lock

 * names in cryptlib.c

 */

#define CRYPTO_LOCK_ERR			1

#define CRYPTO_LOCK_EX_DATA		2

#define CRYPTO_LOCK_X509		3

#define CRYPTO_LOCK_X509_INFO		4

#define CRYPTO_LOCK_X509_PKEY		5

#define CRYPTO_LOCK_X509_CRL		6

#define CRYPTO_LOCK_X509_REQ		7

#define CRYPTO_LOCK_DSA			8

#define CRYPTO_LOCK_RSA			9

#define CRYPTO_LOCK_EVP_PKEY		10

#define CRYPTO_LOCK_X509_STORE		11

#define CRYPTO_LOCK_SSL_CTX		12

#define CRYPTO_LOCK_SSL_CERT		13

#define CRYPTO_LOCK_SSL_SESSION		14

#define CRYPTO_LOCK_SSL_SESS_CERT	15

#define CRYPTO_LOCK_SSL			16

#define CRYPTO_LOCK_SSL_METHOD		17

#define CRYPTO_LOCK_RAND		18

#define CRYPTO_LOCK_RAND2		19

#define CRYPTO_LOCK_MALLOC		20

#define CRYPTO_LOCK_BIO			21

#define CRYPTO_LOCK_GETHOSTBYNAME	22

#define CRYPTO_LOCK_GETSERVBYNAME	23

#define CRYPTO_LOCK_READDIR		24

#define CRYPTO_LOCK_RSA_BLINDING	25

#define CRYPTO_LOCK_DH			26

#define CRYPTO_LOCK_MALLOC2		27

#define CRYPTO_LOCK_DSO			28

#define CRYPTO_LOCK_DYNLOCK		29

#define CRYPTO_LOCK_ENGINE		30

#define CRYPTO_LOCK_UI			31

#define CRYPTO_LOCK_HWCRHK		32 /* This is a HACK which will disappear in 0.9.8 */

#define CRYPTO_NUM_LOCKS		33

#define CRYPTO_LOCK		1

#define CRYPTO_UNLOCK		2

#define CRYPTO_READ		4

#define CRYPTO_WRITE		8

#ifndef OPENSSL_NO_LOCKING

#ifndef CRYPTO_w_lock

#define CRYPTO_w_lock(type)	\

	CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)

#define CRYPTO_w_unlock(type)	\

	CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)

#define CRYPTO_r_lock(type)	\

	CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,__FILE__,__LINE__)

#define CRYPTO_r_unlock(type)	\

	CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,__FILE__,__LINE__)

#define CRYPTO_add(addr,amount,type)	\

	CRYPTO_add_lock(addr,amount,type,__FILE__,__LINE__)

#endif

#else

#define CRYPTO_w_lock(a)

#define CRYPTO_w_unlock(a)

#define CRYPTO_r_lock(a)

#define CRYPTO_r_unlock(a)

#define CRYPTO_add(a,b,c)	((*(a))+=(b))

#endif

/* Some applications as well as some parts of OpenSSL need to allocate

   and deallocate locks in a dynamic fashion.  The following typedef

   makes this possible in a type-safe manner.  */

/* struct CRYPTO_dynlock_value has to be defined by the application. */

typedef struct

	{

	int references;

	struct CRYPTO_dynlock_value *data;

	} CRYPTO_dynlock;

/* The following can be used to detect memory leaks in the SSLeay library.

 * It used, it turns on malloc checking */

#define CRYPTO_MEM_CHECK_OFF	0x0	/* an enume */

#define CRYPTO_MEM_CHECK_ON	0x1	/* a bit */

#define CRYPTO_MEM_CHECK_ENABLE	0x2	/* a bit */

#define CRYPTO_MEM_CHECK_DISABLE 0x3	/* an enume */

/* The following are bit values to turn on or off options connected to the

 * malloc checking functionality */

/* Adds time to the memory checking information */

#define V_CRYPTO_MDEBUG_TIME	0x1 /* a bit */

/* Adds thread number to the memory checking information */

#define V_CRYPTO_MDEBUG_THREAD	0x2 /* a bit */

#define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)

/* predec of the BIO type */

typedef struct bio_st BIO_dummy;

typedef struct crypto_ex_data_st

	{

	STACK *sk;

	int dummy; /* gcc is screwing up this data structure :-( */

	} CRYPTO_EX_DATA;

/* Called when a new object is created */

typedef int CRYPTO_EX_new(void *parent, void *ptr, CRYPTO_EX_DATA *ad,

					int idx, long argl, void *argp);

/* Called when an object is free()ed */

typedef void CRYPTO_EX_free(void *parent, void *ptr, CRYPTO_EX_DATA *ad,

					int idx, long argl, void *argp);

/* Called when we need to dup an object */

typedef int CRYPTO_EX_dup(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from, void *from_d, 

					int idx, long argl, void *argp);

/* This stuff is basically class callback functions

 * The current classes are SSL_CTX, SSL, SSL_SESSION, and a few more */

typedef struct crypto_ex_data_func_st

	{

	long argl;	/* Arbitary long */

	void *argp;	/* Arbitary void * */

	CRYPTO_EX_new *new_func;

	CRYPTO_EX_free *free_func;

	CRYPTO_EX_dup *dup_func;

	} CRYPTO_EX_DATA_FUNCS;

DECLARE_STACK_OF(CRYPTO_EX_DATA_FUNCS)

/* Per class, we have a STACK of CRYPTO_EX_DATA_FUNCS for each CRYPTO_EX_DATA

 * entry.

 */

#define CRYPTO_EX_INDEX_BIO		0

#define CRYPTO_EX_INDEX_SSL		1

#define CRYPTO_EX_INDEX_SSL_CTX		2

#define CRYPTO_EX_INDEX_SSL_SESSION	3

#define CRYPTO_EX_INDEX_X509_STORE	4

#define CRYPTO_EX_INDEX_X509_STORE_CTX	5

#define CRYPTO_EX_INDEX_RSA		6

#define CRYPTO_EX_INDEX_DSA		7

#define CRYPTO_EX_INDEX_DH		8

#define CRYPTO_EX_INDEX_ENGINE		9

#define CRYPTO_EX_INDEX_X509		10

#define CRYPTO_EX_INDEX_UI		11

/* Dynamically assigned indexes start from this value (don't use directly, use

 * via CRYPTO_ex_data_new_class). */

#define CRYPTO_EX_INDEX_USER		100

/* This is the default callbacks, but we can have others as well:

 * this is needed in Win32 where the application malloc and the

 * library malloc may not be the same.

 */

#define CRYPTO_malloc_init()	CRYPTO_set_mem_functions(\

	malloc, realloc, free)

#if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD

# ifndef CRYPTO_MDEBUG /* avoid duplicate #define */

#  define CRYPTO_MDEBUG

# endif

#endif

/* Set standard debugging functions (not done by default

 * unless CRYPTO_MDEBUG is defined) */

#define CRYPTO_malloc_debug_init()	do {\

	CRYPTO_set_mem_debug_functions(\

		CRYPTO_dbg_malloc,\

		CRYPTO_dbg_realloc,\

		CRYPTO_dbg_free,\

		CRYPTO_dbg_set_options,\

		CRYPTO_dbg_get_options);\

	} while(0)

int CRYPTO_mem_ctrl(int mode);

int CRYPTO_is_mem_check_on(void);

/* for applications */

#define MemCheck_start() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON)

#define MemCheck_stop()	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF)

/* for library-internal use */

#define MemCheck_on()	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE)

#define MemCheck_off()	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE)

#define is_MemCheck_on() CRYPTO_is_mem_check_on()

#define OPENSSL_malloc(num)	CRYPTO_malloc((int)num,__FILE__,__LINE__)

#define OPENSSL_realloc(addr,num) \

	CRYPTO_realloc((char *)addr,(int)num,__FILE__,__LINE__)

#define OPENSSL_realloc_clean(addr,old_num,num) \

	CRYPTO_realloc_clean(addr,old_num,num,__FILE__,__LINE__)

#define OPENSSL_remalloc(addr,num) \

	CRYPTO_remalloc((char **)addr,(int)num,__FILE__,__LINE__)

#define OPENSSL_freeFunc	CRYPTO_free

#define OPENSSL_free(addr)	CRYPTO_free(addr)

#define OPENSSL_malloc_locked(num) \

	CRYPTO_malloc_locked((int)num,__FILE__,__LINE__)

#define OPENSSL_free_locked(addr) CRYPTO_free_locked(addr)

const char *SSLeay_version(int type);

unsigned long SSLeay(void);

int OPENSSL_issetugid(void);

/* An opaque type representing an implementation of "ex_data" support */

typedef struct st_CRYPTO_EX_DATA_IMPL	CRYPTO_EX_DATA_IMPL;

/* Return an opaque pointer to the current "ex_data" implementation */

const CRYPTO_EX_DATA_IMPL *CRYPTO_get_ex_data_implementation(void);

/* Sets the "ex_data" implementation to be used (if it's not too late) */

int CRYPTO_set_ex_data_implementation(const CRYPTO_EX_DATA_IMPL *i);

/* Get a new "ex_data" class, and return the corresponding "class_index" */

int CRYPTO_ex_data_new_class(void);

/* Within a given class, get/register a new index */

int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,

		CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,

		CRYPTO_EX_free *free_func);

/* Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a given

 * class (invokes whatever per-class callbacks are applicable) */

int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);

int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,

		CRYPTO_EX_DATA *from);

void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);

/* Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular index

 * (relative to the class type involved) */

int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);

void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad,int idx);

/* This function cleans up all "ex_data" state. It mustn't be called under

 * potential race-conditions. */

void CRYPTO_cleanup_all_ex_data(void);

int CRYPTO_get_new_lockid(char *name);

int CRYPTO_num_locks(void); /* return CRYPTO_NUM_LOCKS (shared libs!) */

void CRYPTO_lock(int mode, int type,const char *file,int line);

void CRYPTO_set_locking_callback(void (*func)(int mode,int type,

					      const char *file,int line));

void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file,

		int line);

void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,

					      const char *file, int line));

int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type,

					  const char *file,int line);

void CRYPTO_set_id_callback(unsigned long (*func)(void));

unsigned long (*CRYPTO_get_id_callback(void))(void);

unsigned long CRYPTO_thread_id(void);

const char *CRYPTO_get_lock_name(int type);

int CRYPTO_add_lock(int *pointer,int amount,int type, const char *file,

		    int line);

int CRYPTO_get_new_dynlockid(void);

void CRYPTO_destroy_dynlockid(int i);

struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);

void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*dyn_create_function)(const char *file, int line));

void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)(int mode, struct CRYPTO_dynlock_value *l, const char *file, int line));

void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)(struct CRYPTO_dynlock_value *l, const char *file, int line));

struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))(const char *file,int line);

void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, struct CRYPTO_dynlock_value *l, const char *file,int line);

void (*CRYPTO_get_dynlock_destroy_callback(void))(struct CRYPTO_dynlock_value *l, const char *file,int line);

/* CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions --

 * call the latter last if you need different functions */

int CRYPTO_set_mem_functions(void *(*m)(size_t),void *(*r)(void *,size_t), void (*f)(void *));

int CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*free_func)(void *));

int CRYPTO_set_mem_ex_functions(void *(*m)(size_t,const char *,int),

                                void *(*r)(void *,size_t,const char *,int),

                                void (*f)(void *));

int CRYPTO_set_locked_mem_ex_functions(void *(*m)(size_t,const char *,int),

                                       void (*free_func)(void *));

int CRYPTO_set_mem_debug_functions(void (*m)(void *,int,const char *,int,int),

				   void (*r)(void *,void *,int,const char *,int,int),

				   void (*f)(void *,int),

				   void (*so)(long),

				   long (*go)(void));

void CRYPTO_get_mem_functions(void *(**m)(size_t),void *(**r)(void *, size_t), void (**f)(void *));

void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *));

void CRYPTO_get_mem_ex_functions(void *(**m)(size_t,const char *,int),

                                 void *(**r)(void *, size_t,const char *,int),

                                 void (**f)(void *));

void CRYPTO_get_locked_mem_ex_functions(void *(**m)(size_t,const char *,int),

                                        void (**f)(void *));

void CRYPTO_get_mem_debug_functions(void (**m)(void *,int,const char *,int,int),

				    void (**r)(void *,void *,int,const char *,int,int),

				    void (**f)(void *,int),

				    void (**so)(long),

				    long (**go)(void));

void *CRYPTO_malloc_locked(int num, const char *file, int line);

void CRYPTO_free_locked(void *);

void *CRYPTO_malloc(int num, const char *file, int line);

void CRYPTO_free(void *);

void *CRYPTO_realloc(void *addr,int num, const char *file, int line);

void *CRYPTO_realloc_clean(void *addr,int old_num,int num,const char *file,

			   int line);

void *CRYPTO_remalloc(void *addr,int num, const char *file, int line);

void OPENSSL_cleanse(void *ptr, size_t len);

void CRYPTO_set_mem_debug_options(long bits);

long CRYPTO_get_mem_debug_options(void);

#define CRYPTO_push_info(info) \

        CRYPTO_push_info_(info, __FILE__, __LINE__);

int CRYPTO_push_info_(const char *info, const char *file, int line);

int CRYPTO_pop_info(void);

int CRYPTO_remove_all_info(void);

/* Default debugging functions (enabled by CRYPTO_malloc_debug_init() macro;

 * used as default in CRYPTO_MDEBUG compilations): */

/* The last argument has the following significance:

 *

 * 0:	called before the actual memory allocation has taken place

 * 1:	called after the actual memory allocation has taken place

 */

void CRYPTO_dbg_malloc(void *addr,int num,const char *file,int line,int before_p);

void CRYPTO_dbg_realloc(void *addr1,void *addr2,int num,const char *file,int line,int before_p);

void CRYPTO_dbg_free(void *addr,int before_p);

/* Tell the debugging code about options.  By default, the following values

 * apply:

 *

 * 0:                           Clear all options.

 * V_CRYPTO_MDEBUG_TIME (1):    Set the "Show Time" option.

 * V_CRYPTO_MDEBUG_THREAD (2):  Set the "Show Thread Number" option.

 * V_CRYPTO_MDEBUG_ALL (3):     1 + 2

 */

void CRYPTO_dbg_set_options(long bits);

long CRYPTO_dbg_get_options(void);

#ifndef OPENSSL_NO_FP_API

void CRYPTO_mem_leaks_fp(FILE *);

#endif

void CRYPTO_mem_leaks(struct bio_st *bio);

/* unsigned long order, char *file, int line, int num_bytes, char *addr */

typedef void *CRYPTO_MEM_LEAK_CB(unsigned long, const char *, int, int, void *);

void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb);

/* die if we have to */

void OpenSSLDie(const char *file,int line,const char *assertion);

#define OPENSSL_assert(e)	((e) ? (void)0 : OpenSSLDie(__FILE__, __LINE__, #e))

/* BEGIN ERROR CODES */

/* The following lines are auto generated by the script mkerr.pl. Any changes

 * made after this point may be overwritten when the script is next run.

 */

void ERR_load_CRYPTO_strings(void);

/* Error codes for the CRYPTO functions. */

/* Function codes. */

#define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX		 100

#define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID		 103

#define CRYPTO_F_CRYPTO_GET_NEW_LOCKID			 101

#define CRYPTO_F_CRYPTO_SET_EX_DATA			 102

#define CRYPTO_F_DEF_ADD_INDEX				 104

#define CRYPTO_F_DEF_GET_CLASS				 105

#define CRYPTO_F_INT_DUP_EX_DATA			 106

#define CRYPTO_F_INT_FREE_EX_DATA			 107

#define CRYPTO_F_INT_NEW_EX_DATA			 108

/* Reason codes. */

#define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK		 100

#ifdef  __cplusplus

}

#endif

#endif