/* 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: ERR_remove_state(0); break; case DLL_PROCESS_DETACH: break; } return(TRUE); } #endif #if defined(_WIN32) && !defined(__CYGWIN__) #include <tchar.h> #include <signal.h> #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<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; }