mirror of
https://github.com/openssl/openssl.git
synced 2024-11-21 01:15:20 +08:00
349807608f
This was done by the following
find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
print unless $. == 1 && m@/\* .*\.[ch] \*/@;
close ARGV if eof; # Close file to reset $.
And then some hand-editing of other files.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
480 lines
16 KiB
C
480 lines
16 KiB
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 "internal/cryptlib.h"
|
|
#include <openssl/safestack.h>
|
|
|
|
#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 int *OPENSSL_ia32cap_loc(void)
|
|
{
|
|
return OPENSSL_ia32cap_P;
|
|
}
|
|
|
|
# if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
|
|
#include <stdio.h>
|
|
# define OPENSSL_CPUID_SETUP
|
|
typedef uint64_t IA32CAP;
|
|
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 int *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;
|
|
FARPROC f;
|
|
} _OPENSSL_isservice = {
|
|
NULL
|
|
};
|
|
|
|
if (_OPENSSL_isservice.p == NULL) {
|
|
HANDLE mod = GetModuleHandle(NULL);
|
|
if (mod != NULL)
|
|
_OPENSSL_isservice.f = GetProcAddress(mod, "_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;
|
|
}
|
|
if (!MultiByteToWideChar(CP_ACP, 0, fmta, len_0, fmtw, len_0))
|
|
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, OSSL_NELEM(buf) - 1, fmt, ap);
|
|
buf[OSSL_NELEM(buf) - 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, ...)
|
|
{
|
|
#ifndef OPENSSL_NO_STDIO
|
|
va_list ap;
|
|
|
|
va_start(ap, fmta);
|
|
vfprintf(stderr, fmta, ap);
|
|
va_end(ap);
|
|
#endif
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
int CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len)
|
|
{
|
|
size_t i;
|
|
const unsigned char *a = in_a;
|
|
const unsigned char *b = in_b;
|
|
unsigned char x = 0;
|
|
|
|
for (i = 0; i < len; i++)
|
|
x |= a[i] ^ b[i];
|
|
|
|
return x;
|
|
}
|