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Diffstat (limited to 'thirdparty/openssl/crypto/cryptlib.c')
| -rw-r--r-- | thirdparty/openssl/crypto/cryptlib.c | 1030 |
1 files changed, 1030 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/cryptlib.c b/thirdparty/openssl/crypto/cryptlib.c new file mode 100644 index 0000000000..1925428f5e --- /dev/null +++ b/thirdparty/openssl/crypto/cryptlib.c @@ -0,0 +1,1030 @@ +/* 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)) +{ + /* + * Calling this here ensures initialisation before any threads are + * started. + */ + OPENSSL_init(); + 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, (void *)&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) + +extern unsigned int OPENSSL_ia32cap_P[4]; +unsigned long *OPENSSL_ia32cap_loc(void) +{ + if (sizeof(long) == 4) + /* + * If 32-bit application pulls address of OPENSSL_ia32cap_P[0] + * clear second element to maintain the illusion that vector + * is 32-bit. + */ + OPENSSL_ia32cap_P[1] = 0; + + OPENSSL_ia32cap_P[2] = 0; + + return (unsigned long *)OPENSSL_ia32cap_P; +} + +# if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY) +# define OPENSSL_CPUID_SETUP +# if defined(_WIN32) +typedef unsigned __int64 IA32CAP; +# else +typedef unsigned long long IA32CAP; +# endif +void OPENSSL_cpuid_setup(void) +{ + static int trigger = 0; + IA32CAP OPENSSL_ia32_cpuid(unsigned int *); + IA32CAP vec; + char *env; + + if (trigger) + return; + + trigger = 1; + if ((env = getenv("OPENSSL_ia32cap"))) { + int off = (env[0] == '~') ? 1 : 0; +# if defined(_WIN32) + if (!sscanf(env + off, "%I64i", &vec)) + vec = strtoul(env + off, NULL, 0); +# else + if (!sscanf(env + off, "%lli", (long long *)&vec)) + vec = strtoul(env + off, NULL, 0); +# endif + if (off) + vec = OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P) & ~vec; + else if (env[0] == ':') + vec = OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P); + + OPENSSL_ia32cap_P[2] = 0; + if ((env = strchr(env, ':'))) { + unsigned int vecx; + env++; + off = (env[0] == '~') ? 1 : 0; + vecx = strtoul(env + off, NULL, 0); + if (off) + OPENSSL_ia32cap_P[2] &= ~vecx; + else + OPENSSL_ia32cap_P[2] = vecx; + } + } else + vec = OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P); + + /* + * |(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. + */ + OPENSSL_ia32cap_P[0] = (unsigned int)vec | (1 << 10); + OPENSSL_ia32cap_P[1] = (unsigned int)(vec >> 32); +} +# else +unsigned int OPENSSL_ia32cap_P[4]; +# 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) (); + + 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 */ + int len; + DWORD out; + + va_start(ap, fmta); + len = _vsnprintf((char *)buf, sizeof(buf), fmta, ap); + WriteFile(h, buf, len < 0 ? sizeof(buf) : (DWORD) len, &out, NULL); + 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 (check_winnt() && OPENSSL_isservice() > 0) { + HANDLE hEventLog = RegisterEventSource(NULL, _T("OpenSSL")); + + if (hEventLog != NULL) { + const TCHAR *pmsg = buf; + + if (!ReportEvent(hEventLog, EVENTLOG_ERROR_TYPE, 0, 0, NULL, + 1, 0, &pmsg, NULL)) { +#if defined(DEBUG) + /* + * We are in a situation where we tried to report a critical + * error and this failed for some reason. As a last resort, + * in debug builds, send output to the debugger or any other + * tool like DebugView which can monitor the output. + */ + OutputDebugString(pmsg); +#endif + } + + (void)DeregisterEventSource(hEventLog); + } + } else +# endif + MessageBox(NULL, buf, _T("OpenSSL: FATAL"), MB_OK | MB_ICONERROR); +} +#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... + */ +# if !defined(_WIN32_WCE) + raise(SIGABRT); +# endif + _exit(3); +#endif +} + +void *OPENSSL_stderr(void) +{ + return stderr; +} + +int CRYPTO_memcmp(const volatile void *in_a, const volatile void *in_b, size_t len) +{ + size_t i; + const volatile unsigned char *a = in_a; + const volatile unsigned char *b = in_b; + unsigned char x = 0; + + for (i = 0; i < len; i++) + x |= a[i] ^ b[i]; + + return x; +} |