X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fcryptlib.c;h=33c70afa33333aa9af1b6488ecd54737fc906aa5;hp=d6015096387dc7b6e1d1a67446e4e2e1b35e0158;hb=56c7754cab3da9745e52e36b0bf998f8356fd6d5;hpb=d36bcdf5ca819f1f8efb5eb0897f80864e110ad7 diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c index d601509638..33c70afa33 100644 --- a/crypto/cryptlib.c +++ b/crypto/cryptlib.c @@ -1,4 +1,57 @@ /* 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. * @@ -55,23 +108,28 @@ * 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 -#include #include "cryptlib.h" -#include -#include "date.h" +#include -#if defined(WIN32) || defined(WIN16) +#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) +IMPLEMENT_STACK_OF(CRYPTO_dynlock) + /* real #defines in crypto.h, keep these upto date */ -static const char* lock_names[CRYPTO_NUM_LOCKS] = +static const char* const lock_names[CRYPTO_NUM_LOCKS] = { "<>", "err", - "err_hash", + "ex_data", "x509", "x509_info", "x509_pkey", @@ -86,33 +144,66 @@ static const char* lock_names[CRYPTO_NUM_LOCKS] = "ssl_session", "ssl_sess_cert", "ssl", + "ssl_method", "rand", + "rand2", "debug_malloc", "BIO", - "bio_gethostbyname", + "gethostbyname", + "getservbyname", + "readdir", "RSA_blinding", -#if CRYPTO_NUM_LOCKS != 22 -# error "Inconsistency between crypto.h and cryptlic.c" + "dh", + "debug_malloc2", + "dso", + "dynlock", + "engine", + "ui", + "ecdsa", + "ec", + "ecdh", + "bn", + "ec_pre_comp", + "store", + "comp", +#if CRYPTO_NUM_LOCKS != 39 +# 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 *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)=NULL; + const char *file,int line)=0; static int (MS_FAR *add_lock_callback)(int *pointer,int amount, - int type,const char *file,int line)=NULL; -static unsigned long (MS_FAR *id_callback)(void)=NULL; + int type,const char *file,int line)=0; +static unsigned long (MS_FAR *id_callback)(void)=0; +static void *(MS_FAR *idptr_callback)(void)=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 * and floating point printf's. * It also seems to be needed for Visual C 1.5 (win16) */ -#if defined(WIN32) || defined(WIN16) SSLeay_MSVC5_hack=(double)name[0]*(double)name[1]; #endif @@ -122,15 +213,184 @@ int CRYPTO_get_new_lockid(char *name) return(0); } if ((str=BUF_strdup(name)) == NULL) + { + CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); return(0); + } i=sk_push(app_locks,str); if (!i) - Free(str); + 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) { @@ -171,12 +431,14 @@ unsigned long CRYPTO_thread_id(void) if (id_callback == NULL) { -#ifdef WIN16 +#ifdef OPENSSL_SYS_WIN16 ret=(unsigned long)GetCurrentTask(); -#elif defined(WIN32) +#elif defined(OPENSSL_SYS_WIN32) ret=(unsigned long)GetCurrentThreadId(); -#elif defined(MSDOS) +#elif defined(GETPID_IS_MEANINGLESS) ret=1L; +#elif defined(OPENSSL_SYS_BEOS) + ret=(unsigned long)find_thread(NULL); #else ret=(unsigned long)getpid(); #endif @@ -186,6 +448,28 @@ unsigned long CRYPTO_thread_id(void) return(ret); } +void *(*CRYPTO_get_idptr_callback(void))(void) + { + return(idptr_callback); + } + +void CRYPTO_set_idptr_callback(void *(*func)(void)) + { + idptr_callback=func; + } + +void *CRYPTO_thread_idptr(void) + { + void *ret=NULL; + + if (idptr_callback == NULL) + ret = &errno; + else + ret = idptr_callback(); + + return ret; + } + void CRYPTO_lock(int mode, int type, const char *file, int line) { #ifdef LOCK_DEBUG @@ -206,19 +490,34 @@ void CRYPTO_lock(int mode, int type, const char *file, int line) else rw_text="ERROR"; - fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n", - CRYPTO_thread_id(), rw_text, operation_text, + fprintf(stderr,"lock:%08lx/%08p:(%s)%s %-18s %s:%d\n", + CRYPTO_thread_id(), CRYPTO_thread_idptr(), rw_text, operation_text, CRYPTO_get_lock_name(type), file, line); } #endif - if (locking_callback != NULL) - locking_callback(mode,type,file,line); + 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; + int ret = 0; if (add_lock_callback != NULL) { @@ -228,13 +527,12 @@ int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, ret=add_lock_callback(pointer,amount,type,file,line); #ifdef LOCK_DEBUG - fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", - CRYPTO_thread_id(), + fprintf(stderr,"ladd:%08lx/%0xp:%2d+%2d->%2d %-18s %s:%d\n", + CRYPTO_thread_id(), CRYPTO_thread_idptr(), before,amount,ret, CRYPTO_get_lock_name(type), file,line); #endif - *pointer=ret; } else { @@ -242,8 +540,8 @@ int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, ret= *pointer+amount; #ifdef LOCK_DEBUG - fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", - CRYPTO_thread_id(), + fprintf(stderr,"ladd:%08lx/%0xp:%2d+%2d->%2d %-18s %s:%d\n", + CRYPTO_thread_id(), CRYPTO_thread_idptr(), *pointer,amount,ret, CRYPTO_get_lock_name(type), file,line); @@ -257,27 +555,83 @@ int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, const char *CRYPTO_get_lock_name(int type) { if (type < 0) - return("ERROR"); + return("dynamic"); else if (type < CRYPTO_NUM_LOCKS) return(lock_names[type]); - else if (type-CRYPTO_NUM_LOCKS >= sk_num(app_locks)) + else if (type-CRYPTO_NUM_LOCKS > sk_num(app_locks)) return("ERROR"); else return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS)); } -#ifdef _DLL -#ifdef WIN32 +#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ + defined(__INTEL__) || \ + defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) + +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 +#endif /* All we really need to do is remove the 'error' state when a thread * detaches */ -BOOL WINAPI DLLEntryPoint(HINSTANCE hinstDLL, DWORD fdwReason, +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; @@ -291,4 +645,139 @@ BOOL WINAPI DLLEntryPoint(HINSTANCE hinstDLL, DWORD fdwReason, } #endif +#if defined(_WIN32) && !defined(__CYGWIN__) +#include + +#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 +int OPENSSL_isservice(void) +{ HWINSTA h; + DWORD len; + WCHAR *name; + + (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 */ +#ifdef _MSC_VER + name=(WCHAR *)_alloca(len+sizeof(WCHAR)); +#else + name=(WCHAR *)alloca(len+sizeof(WCHAR)); +#endif + 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; + +#ifdef _MSC_VER + fmtw = (WCHAR *)_alloca (len_0*sizeof(WCHAR)); +#else + fmtw = (WCHAR *)alloca (len_0*sizeof(WCHAR)); +#endif + 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=0x0333 + /* this -------------v--- guards NT-specific calls */ + if (GetVersion() < 0x80000000 && OPENSSL_isservice()) + { 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); + abort(); + } + +void *OPENSSL_stderr(void) { return stderr; }