X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fcryptlib.c;h=b4449b86d68fcfa3462ff616737bc4a426a6ae70;hp=717c030e4c680ab6bf26d5caf42405fdff45c21c;hb=b32d93840e97e53992276bc630f1b49ccfb85716;hpb=51d28013db89b6ebecd0c89bd7f527aeddda0a98 diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c index 717c030e4c..b4449b86d6 100644 --- a/crypto/cryptlib.c +++ b/crypto/cryptlib.c @@ -1,6 +1,6 @@ /* crypto/cryptlib.c */ /* ==================================================================== - * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. + * 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 @@ -122,10 +122,9 @@ 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", @@ -166,14 +165,16 @@ static const char* lock_names[CRYPTO_NUM_LOCKS] = "ec_pre_comp", "store", "comp", -#if CRYPTO_NUM_LOCKS != 39 + "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 *app_locks=NULL; +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 @@ -182,16 +183,19 @@ 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; +#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)=NULL; + (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)=NULL; + 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)=NULL; + const char *file,int line)=0; int CRYPTO_get_new_lockid(char *name) { @@ -201,12 +205,12 @@ int CRYPTO_get_new_lockid(char *name) #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. + * 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_new_null()) == NULL)) + 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); @@ -216,7 +220,7 @@ int CRYPTO_get_new_lockid(char *name) CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); return(0); } - i=sk_push(app_locks,str); + i=sk_OPENSSL_STRING_push(app_locks,str); if (!i) OPENSSL_free(str); else @@ -277,7 +281,7 @@ int CRYPTO_get_new_dynlockid(void) else /* If we found a place with a NULL pointer, put our pointer in it. */ - sk_CRYPTO_dynlock_set(dyn_locks,i,pointer); + (void)sk_CRYPTO_dynlock_set(dyn_locks,i,pointer); CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); if (i == -1) @@ -319,7 +323,7 @@ void CRYPTO_destroy_dynlockid(int i) #endif if (pointer->references <= 0) { - sk_CRYPTO_dynlock_set(dyn_locks, i, NULL); + (void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL); } else pointer = NULL; @@ -414,6 +418,108 @@ void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type, 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); @@ -436,6 +542,8 @@ unsigned long CRYPTO_thread_id(void) 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 @@ -444,11 +552,13 @@ unsigned long CRYPTO_thread_id(void) 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) @@ -465,8 +575,9 @@ void CRYPTO_lock(int mode, int type, const char *file, int line) else rw_text="ERROR"; + CRYPTO_THREADID_current(&id); fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n", - CRYPTO_thread_id(), rw_text, operation_text, + CRYPTO_THREADID_hash(&id), rw_text, operation_text, CRYPTO_get_lock_name(type), file, line); } #endif @@ -502,11 +613,14 @@ 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 + { + CRYPTO_THREADID id; + CRYPTO_THREADID_current(&id); fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", - CRYPTO_thread_id(), - before,amount,ret, + CRYPTO_THREADID_hash(&id), before,amount,ret, CRYPTO_get_lock_name(type), file,line); + } #endif } else @@ -515,11 +629,15 @@ int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, 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_thread_id(), + 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); @@ -533,19 +651,18 @@ const char *CRYPTO_get_lock_name(int type) 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_OPENSSL_STRING_num(app_locks)) return("ERROR"); else - return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS)); + 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(__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; } -int OPENSSL_NONPIC_relocated=0; #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY) #define OPENSSL_CPUID_SETUP @@ -569,8 +686,11 @@ void OPENSSL_cpuid_setup(void) } #endif +#else +unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; } #endif -#if !defined(OPENSSL_CPUID_SETUP) +int OPENSSL_NONPIC_relocated = 0; +#if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ) void OPENSSL_cpuid_setup(void) {} #endif @@ -578,6 +698,8 @@ void OPENSSL_cpuid_setup(void) {} #ifdef __CYGWIN__ /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ #include +/* 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 @@ -600,7 +722,7 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header + dos_header->e_lfanew); if (nt_headers->Signature==IMAGE_NT_SIGNATURE && - histDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase)) + hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase)) OPENSSL_NONPIC_relocated=1; } } @@ -618,14 +740,27 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, } #endif -#if defined(_WIN32) +#if defined(_WIN32) && !defined(__CYGWIN__) #include +#include #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 -static int IsService(void) +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 */ @@ -659,12 +794,15 @@ static int IsService(void) #endif else return 0; } +#else +int OPENSSL_isservice(void) { return 0; } #endif void OPENSSL_showfatal (const char *fmta,...) { va_list ap; - TCHAR buf[256] + TCHAR buf[256]; const TCHAR *fmt; +#ifdef STD_ERROR_HANDLE /* what a dirty trick! */ HANDLE h; if ((h=GetStdHandle(STD_ERROR_HANDLE)) != NULL && @@ -675,9 +813,10 @@ void OPENSSL_showfatal (const char *fmta,...) va_end (ap); return; } +#endif if (sizeof(TCHAR)==sizeof(char)) - fmt=fmta; + fmt=(const TCHAR *)fmta; else do { int keepgoing; size_t len_0=strlen(fmta)+1,i; @@ -720,7 +859,7 @@ void OPENSSL_showfatal (const char *fmta,...) #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 /* this -------------v--- guards NT-specific calls */ - if (GetVersion() < 0x80000000 && IsService()) + 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); @@ -728,21 +867,7 @@ void OPENSSL_showfatal (const char *fmta,...) } else #endif - { MSGBOXPARAMS m; - - m.cbSize = sizeof(m); - m.hwndOwner = NULL; - m.lpszCaption = _T("OpenSSL: FATAL"); - m.dwStyle = MB_OK; - m.hInstance = NULL; - m.lpszIcon = IDI_ERROR; - m.dwContextHelpId = 0; - m.lpfnMsgBoxCallback = NULL; - m.dwLanguageId = MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US); - m.lpszText = buf; - - MessageBoxIndirect (&m); - } + MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP); } #else void OPENSSL_showfatal (const char *fmta,...) @@ -752,6 +877,7 @@ void OPENSSL_showfatal (const char *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) @@ -759,7 +885,13 @@ 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; }