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Diffstat (limited to 'main/openssl/crypto/cryptlib.c')
| -rw-r--r-- | main/openssl/crypto/cryptlib.c | 898 |
1 files changed, 898 insertions, 0 deletions
diff --git a/main/openssl/crypto/cryptlib.c b/main/openssl/crypto/cryptlib.c new file mode 100644 index 00000000..24fe123e --- /dev/null +++ b/main/openssl/crypto/cryptlib.c @@ -0,0 +1,898 @@ +/* crypto/cryptlib.c */ +/* ==================================================================== + * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. + * + * 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 above 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 acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED 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 OpenSSL PROJECT OR + * ITS 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ +/* 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.] + */ +/* ==================================================================== + * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. + * ECDH support in OpenSSL originally developed by + * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. + */ + +#include "cryptlib.h" +#include <openssl/safestack.h> + +#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) +static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */ +#endif + +DECLARE_STACK_OF(CRYPTO_dynlock) + +/* real #defines in crypto.h, keep these upto date */ +static const char* const lock_names[CRYPTO_NUM_LOCKS] = + { + "<<ERROR>>", + "err", + "ex_data", + "x509", + "x509_info", + "x509_pkey", + "x509_crl", + "x509_req", + "dsa", + "rsa", + "evp_pkey", + "x509_store", + "ssl_ctx", + "ssl_cert", + "ssl_session", + "ssl_sess_cert", + "ssl", + "ssl_method", + "rand", + "rand2", + "debug_malloc", + "BIO", + "gethostbyname", + "getservbyname", + "readdir", + "RSA_blinding", + "dh", + "debug_malloc2", + "dso", + "dynlock", + "engine", + "ui", + "ecdsa", + "ec", + "ecdh", + "bn", + "ec_pre_comp", + "store", + "comp", + "fips", + "fips2", +#if CRYPTO_NUM_LOCKS != 41 +# error "Inconsistency between crypto.h and cryptlib.c" +#endif + }; + +/* This is for applications to allocate new type names in the non-dynamic + array of lock names. These are numbered with positive numbers. */ +static STACK_OF(OPENSSL_STRING) *app_locks=NULL; + +/* For applications that want a more dynamic way of handling threads, the + following stack is used. These are externally numbered with negative + numbers. */ +static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL; + + +static void (MS_FAR *locking_callback)(int mode,int type, + const char *file,int line)=0; +static int (MS_FAR *add_lock_callback)(int *pointer,int amount, + int type,const char *file,int line)=0; +#ifndef OPENSSL_NO_DEPRECATED +static unsigned long (MS_FAR *id_callback)(void)=0; +#endif +static void (MS_FAR *threadid_callback)(CRYPTO_THREADID *)=0; +static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback) + (const char *file,int line)=0; +static void (MS_FAR *dynlock_lock_callback)(int mode, + struct CRYPTO_dynlock_value *l, const char *file,int line)=0; +static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l, + const char *file,int line)=0; + +int CRYPTO_get_new_lockid(char *name) + { + char *str; + int i; + +#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) + /* A hack to make Visual C++ 5.0 work correctly when linking as + * a DLL using /MT. Without this, the application cannot use + * any floating point printf's. + * It also seems to be needed for Visual C 1.5 (win16) */ + SSLeay_MSVC5_hack=(double)name[0]*(double)name[1]; +#endif + + if ((app_locks == NULL) && ((app_locks=sk_OPENSSL_STRING_new_null()) == NULL)) + { + CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); + return(0); + } + if ((str=BUF_strdup(name)) == NULL) + { + CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); + return(0); + } + i=sk_OPENSSL_STRING_push(app_locks,str); + if (!i) + OPENSSL_free(str); + else + i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */ + return(i); + } + +int CRYPTO_num_locks(void) + { + return CRYPTO_NUM_LOCKS; + } + +int CRYPTO_get_new_dynlockid(void) + { + int i = 0; + CRYPTO_dynlock *pointer = NULL; + + if (dynlock_create_callback == NULL) + { + CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK); + return(0); + } + CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); + if ((dyn_locks == NULL) + && ((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL)) + { + CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); + CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); + return(0); + } + CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); + + pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock)); + if (pointer == NULL) + { + CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); + return(0); + } + pointer->references = 1; + pointer->data = dynlock_create_callback(__FILE__,__LINE__); + if (pointer->data == NULL) + { + OPENSSL_free(pointer); + CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE); + return(0); + } + + CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); + /* First, try to find an existing empty slot */ + i=sk_CRYPTO_dynlock_find(dyn_locks,NULL); + /* If there was none, push, thereby creating a new one */ + if (i == -1) + /* Since sk_push() returns the number of items on the + stack, not the location of the pushed item, we need + to transform the returned number into a position, + by decreasing it. */ + i=sk_CRYPTO_dynlock_push(dyn_locks,pointer) - 1; + else + /* If we found a place with a NULL pointer, put our pointer + in it. */ + (void)sk_CRYPTO_dynlock_set(dyn_locks,i,pointer); + CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); + + if (i == -1) + { + dynlock_destroy_callback(pointer->data,__FILE__,__LINE__); + OPENSSL_free(pointer); + } + else + i += 1; /* to avoid 0 */ + return -i; + } + +void CRYPTO_destroy_dynlockid(int i) + { + CRYPTO_dynlock *pointer = NULL; + if (i) + i = -i-1; + if (dynlock_destroy_callback == NULL) + return; + + CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); + + if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks)) + { + CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); + return; + } + pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); + if (pointer != NULL) + { + --pointer->references; +#ifdef REF_CHECK + if (pointer->references < 0) + { + fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n"); + abort(); + } + else +#endif + if (pointer->references <= 0) + { + (void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL); + } + else + pointer = NULL; + } + CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); + + if (pointer) + { + dynlock_destroy_callback(pointer->data,__FILE__,__LINE__); + OPENSSL_free(pointer); + } + } + +struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i) + { + CRYPTO_dynlock *pointer = NULL; + if (i) + i = -i-1; + + CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); + + if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks)) + pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); + if (pointer) + pointer->references++; + + CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); + + if (pointer) + return pointer->data; + return NULL; + } + +struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void)) + (const char *file,int line) + { + return(dynlock_create_callback); + } + +void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, + struct CRYPTO_dynlock_value *l, const char *file,int line) + { + return(dynlock_lock_callback); + } + +void (*CRYPTO_get_dynlock_destroy_callback(void)) + (struct CRYPTO_dynlock_value *l, const char *file,int line) + { + return(dynlock_destroy_callback); + } + +void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func) + (const char *file, int line)) + { + dynlock_create_callback=func; + } + +void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode, + struct CRYPTO_dynlock_value *l, const char *file, int line)) + { + dynlock_lock_callback=func; + } + +void CRYPTO_set_dynlock_destroy_callback(void (*func) + (struct CRYPTO_dynlock_value *l, const char *file, int line)) + { + dynlock_destroy_callback=func; + } + + +void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file, + int line) + { + return(locking_callback); + } + +int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type, + const char *file,int line) + { + return(add_lock_callback); + } + +void CRYPTO_set_locking_callback(void (*func)(int mode,int type, + const char *file,int line)) + { + locking_callback=func; + } + +void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type, + const char *file,int line)) + { + add_lock_callback=func; + } + +/* the memset() here and in set_pointer() seem overkill, but for the sake of + * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause two + * "equal" THREADID structs to not be memcmp()-identical. */ +void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val) + { + memset(id, 0, sizeof(*id)); + id->val = val; + } + +static const unsigned char hash_coeffs[] = { 3, 5, 7, 11, 13, 17, 19, 23 }; +void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr) + { + unsigned char *dest = (void *)&id->val; + unsigned int accum = 0; + unsigned char dnum = sizeof(id->val); + + memset(id, 0, sizeof(*id)); + id->ptr = ptr; + if (sizeof(id->val) >= sizeof(id->ptr)) + { + /* 'ptr' can be embedded in 'val' without loss of uniqueness */ + id->val = (unsigned long)id->ptr; + return; + } + /* hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a + * linear function over the bytes in 'ptr', the co-efficients of which + * are a sequence of low-primes (hash_coeffs is an 8-element cycle) - + * the starting prime for the sequence varies for each byte of 'val' + * (unique polynomials unless pointers are >64-bit). For added spice, + * the totals accumulate rather than restarting from zero, and the index + * of the 'val' byte is added each time (position dependence). If I was + * a black-belt, I'd scan big-endian pointers in reverse to give + * low-order bits more play, but this isn't crypto and I'd prefer nobody + * mistake it as such. Plus I'm lazy. */ + while (dnum--) + { + const unsigned char *src = (void *)&id->ptr; + unsigned char snum = sizeof(id->ptr); + while (snum--) + accum += *(src++) * hash_coeffs[(snum + dnum) & 7]; + accum += dnum; + *(dest++) = accum & 255; + } + } + +int CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *)) + { + if (threadid_callback) + return 0; + threadid_callback = func; + return 1; + } + +void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *) + { + return threadid_callback; + } + +void CRYPTO_THREADID_current(CRYPTO_THREADID *id) + { + if (threadid_callback) + { + threadid_callback(id); + return; + } +#ifndef OPENSSL_NO_DEPRECATED + /* If the deprecated callback was set, fall back to that */ + if (id_callback) + { + CRYPTO_THREADID_set_numeric(id, id_callback()); + return; + } +#endif + /* Else pick a backup */ +#ifdef OPENSSL_SYS_WIN16 + CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentTask()); +#elif defined(OPENSSL_SYS_WIN32) + CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId()); +#elif defined(OPENSSL_SYS_BEOS) + CRYPTO_THREADID_set_numeric(id, (unsigned long)find_thread(NULL)); +#else + /* For everything else, default to using the address of 'errno' */ + CRYPTO_THREADID_set_pointer(id, &errno); +#endif + } + +int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b) + { + return memcmp(a, b, sizeof(*a)); + } + +void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src) + { + memcpy(dest, src, sizeof(*src)); + } + +unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id) + { + return id->val; + } + +#ifndef OPENSSL_NO_DEPRECATED +unsigned long (*CRYPTO_get_id_callback(void))(void) + { + return(id_callback); + } + +void CRYPTO_set_id_callback(unsigned long (*func)(void)) + { + id_callback=func; + } + +unsigned long CRYPTO_thread_id(void) + { + unsigned long ret=0; + + if (id_callback == NULL) + { +#ifdef OPENSSL_SYS_WIN16 + ret=(unsigned long)GetCurrentTask(); +#elif defined(OPENSSL_SYS_WIN32) + ret=(unsigned long)GetCurrentThreadId(); +#elif defined(GETPID_IS_MEANINGLESS) + ret=1L; +#elif defined(OPENSSL_SYS_BEOS) + ret=(unsigned long)find_thread(NULL); +#else + ret=(unsigned long)getpid(); +#endif + } + else + ret=id_callback(); + return(ret); + } +#endif + +void CRYPTO_lock(int mode, int type, const char *file, int line) + { +#ifdef LOCK_DEBUG + { + CRYPTO_THREADID id; + char *rw_text,*operation_text; + + if (mode & CRYPTO_LOCK) + operation_text="lock "; + else if (mode & CRYPTO_UNLOCK) + operation_text="unlock"; + else + operation_text="ERROR "; + + if (mode & CRYPTO_READ) + rw_text="r"; + else if (mode & CRYPTO_WRITE) + rw_text="w"; + else + rw_text="ERROR"; + + CRYPTO_THREADID_current(&id); + fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n", + CRYPTO_THREADID_hash(&id), rw_text, operation_text, + CRYPTO_get_lock_name(type), file, line); + } +#endif + if (type < 0) + { + if (dynlock_lock_callback != NULL) + { + struct CRYPTO_dynlock_value *pointer + = CRYPTO_get_dynlock_value(type); + + OPENSSL_assert(pointer != NULL); + + dynlock_lock_callback(mode, pointer, file, line); + + CRYPTO_destroy_dynlockid(type); + } + } + else + if (locking_callback != NULL) + locking_callback(mode,type,file,line); + } + +int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, + int line) + { + int ret = 0; + + if (add_lock_callback != NULL) + { +#ifdef LOCK_DEBUG + int before= *pointer; +#endif + + ret=add_lock_callback(pointer,amount,type,file,line); +#ifdef LOCK_DEBUG + { + CRYPTO_THREADID id; + CRYPTO_THREADID_current(&id); + fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", + CRYPTO_THREADID_hash(&id), before,amount,ret, + CRYPTO_get_lock_name(type), + file,line); + } +#endif + } + else + { + CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line); + + ret= *pointer+amount; +#ifdef LOCK_DEBUG + { + CRYPTO_THREADID id; + CRYPTO_THREADID_current(&id); + fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", + CRYPTO_THREADID_hash(&id), + *pointer,amount,ret, + CRYPTO_get_lock_name(type), + file,line); + } +#endif + *pointer=ret; + CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line); + } + return(ret); + } + +const char *CRYPTO_get_lock_name(int type) + { + if (type < 0) + return("dynamic"); + else if (type < CRYPTO_NUM_LOCKS) + return(lock_names[type]); + else if (type-CRYPTO_NUM_LOCKS > sk_OPENSSL_STRING_num(app_locks)) + return("ERROR"); + else + return(sk_OPENSSL_STRING_value(app_locks,type-CRYPTO_NUM_LOCKS)); + } + +#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ + defined(__INTEL__) || \ + defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64) + +unsigned long OPENSSL_ia32cap_P=0; +unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P; } + +#if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY) +#define OPENSSL_CPUID_SETUP +void OPENSSL_cpuid_setup(void) +{ static int trigger=0; + unsigned long OPENSSL_ia32_cpuid(void); + char *env; + + if (trigger) return; + + trigger=1; + if ((env=getenv("OPENSSL_ia32cap"))) + OPENSSL_ia32cap_P = strtoul(env,NULL,0)|(1<<10); + else + OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid()|(1<<10); + /* + * |(1<<10) sets a reserved bit to signal that variable + * was initialized already... This is to avoid interference + * with cpuid snippets in ELF .init segment. + */ +} +#endif + +#else +unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; } +#endif +int OPENSSL_NONPIC_relocated = 0; +#if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ) +void OPENSSL_cpuid_setup(void) {} +#endif + +#if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL) +#ifdef __CYGWIN__ +/* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ +#include <windows.h> +/* this has side-effect of _WIN32 getting defined, which otherwise + * is mutually exclusive with __CYGWIN__... */ +#endif + +/* All we really need to do is remove the 'error' state when a thread + * detaches */ + +BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, + LPVOID lpvReserved) + { + switch(fdwReason) + { + case DLL_PROCESS_ATTACH: + OPENSSL_cpuid_setup(); +#if defined(_WIN32_WINNT) + { + IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL; + IMAGE_NT_HEADERS *nt_headers; + + if (dos_header->e_magic==IMAGE_DOS_SIGNATURE) + { + nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header + + dos_header->e_lfanew); + if (nt_headers->Signature==IMAGE_NT_SIGNATURE && + hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase)) + OPENSSL_NONPIC_relocated=1; + } + } +#endif + break; + case DLL_THREAD_ATTACH: + break; + case DLL_THREAD_DETACH: + break; + case DLL_PROCESS_DETACH: + break; + } + return(TRUE); + } +#endif + +#if defined(_WIN32) && !defined(__CYGWIN__) +#include <tchar.h> +#include <signal.h> +#ifdef __WATCOMC__ +#if defined(_UNICODE) || defined(__UNICODE__) +#define _vsntprintf _vsnwprintf +#else +#define _vsntprintf _vsnprintf +#endif +#endif +#ifdef _MSC_VER +#define alloca _alloca +#endif + +#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 +int OPENSSL_isservice(void) +{ HWINSTA h; + DWORD len; + WCHAR *name; + static union { void *p; int (*f)(void); } _OPENSSL_isservice = { NULL }; + + if (_OPENSSL_isservice.p == NULL) { + HANDLE h = GetModuleHandle(NULL); + if (h != NULL) + _OPENSSL_isservice.p = GetProcAddress(h,"_OPENSSL_isservice"); + if (_OPENSSL_isservice.p == NULL) + _OPENSSL_isservice.p = (void *)-1; + } + + if (_OPENSSL_isservice.p != (void *)-1) + return (*_OPENSSL_isservice.f)(); + + (void)GetDesktopWindow(); /* return value is ignored */ + + h = GetProcessWindowStation(); + if (h==NULL) return -1; + + if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) || + GetLastError() != ERROR_INSUFFICIENT_BUFFER) + return -1; + + if (len>512) return -1; /* paranoia */ + len++,len&=~1; /* paranoia */ + name=(WCHAR *)alloca(len+sizeof(WCHAR)); + if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len)) + return -1; + + len++,len&=~1; /* paranoia */ + name[len/sizeof(WCHAR)]=L'\0'; /* paranoia */ +#if 1 + /* This doesn't cover "interactive" services [working with real + * WinSta0's] nor programs started non-interactively by Task + * Scheduler [those are working with SAWinSta]. */ + if (wcsstr(name,L"Service-0x")) return 1; +#else + /* This covers all non-interactive programs such as services. */ + if (!wcsstr(name,L"WinSta0")) return 1; +#endif + else return 0; +} +#else +int OPENSSL_isservice(void) { return 0; } +#endif + +void OPENSSL_showfatal (const char *fmta,...) +{ va_list ap; + TCHAR buf[256]; + const TCHAR *fmt; +#ifdef STD_ERROR_HANDLE /* what a dirty trick! */ + HANDLE h; + + if ((h=GetStdHandle(STD_ERROR_HANDLE)) != NULL && + GetFileType(h)!=FILE_TYPE_UNKNOWN) + { /* must be console application */ + va_start (ap,fmta); + vfprintf (stderr,fmta,ap); + va_end (ap); + return; + } +#endif + + if (sizeof(TCHAR)==sizeof(char)) + fmt=(const TCHAR *)fmta; + else do + { int keepgoing; + size_t len_0=strlen(fmta)+1,i; + WCHAR *fmtw; + + fmtw = (WCHAR *)alloca(len_0*sizeof(WCHAR)); + if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; } + +#ifndef OPENSSL_NO_MULTIBYTE + if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0)) +#endif + for (i=0;i<len_0;i++) fmtw[i]=(WCHAR)fmta[i]; + + for (i=0;i<len_0;i++) + { if (fmtw[i]==L'%') do + { keepgoing=0; + switch (fmtw[i+1]) + { case L'0': case L'1': case L'2': case L'3': case L'4': + case L'5': case L'6': case L'7': case L'8': case L'9': + case L'.': case L'*': + case L'-': i++; keepgoing=1; break; + case L's': fmtw[i+1]=L'S'; break; + case L'S': fmtw[i+1]=L's'; break; + case L'c': fmtw[i+1]=L'C'; break; + case L'C': fmtw[i+1]=L'c'; break; + } + } while (keepgoing); + } + fmt = (const TCHAR *)fmtw; + } while (0); + + va_start (ap,fmta); + _vsntprintf (buf,sizeof(buf)/sizeof(TCHAR)-1,fmt,ap); + buf [sizeof(buf)/sizeof(TCHAR)-1] = _T('\0'); + va_end (ap); + +#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 + /* this -------------v--- guards NT-specific calls */ + if (GetVersion() < 0x80000000 && OPENSSL_isservice() > 0) + { HANDLE h = RegisterEventSource(0,_T("OPENSSL")); + const TCHAR *pmsg=buf; + ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0); + DeregisterEventSource(h); + } + else +#endif + MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP); +} +#else +void OPENSSL_showfatal (const char *fmta,...) +{ va_list ap; + + va_start (ap,fmta); + vfprintf (stderr,fmta,ap); + va_end (ap); +} +int OPENSSL_isservice (void) { return 0; } +#endif + +void OpenSSLDie(const char *file,int line,const char *assertion) + { + OPENSSL_showfatal( + "%s(%d): OpenSSL internal error, assertion failed: %s\n", + file,line,assertion); +#if !defined(_WIN32) || defined(__CYGWIN__) + abort(); +#else + /* Win32 abort() customarily shows a dialog, but we just did that... */ + raise(SIGABRT); + _exit(3); +#endif + } + +void *OPENSSL_stderr(void) { return stderr; } |