securityanddataprivacytools/securitytools/openssllib/import/inc/openssl/crypto.h
branchRCL_1
changeset 46 de7f90723dab
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/securityanddataprivacytools/securitytools/openssllib/import/inc/openssl/crypto.h	Mon Apr 19 11:11:16 2010 +0530
@@ -0,0 +1,463 @@
+/* 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
+