Add additional DigestInfo checks.

[openssl.git] / crypto / cryptlib.c

diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c
index 072b341ca215e2af5a1ca0d20590e52bdb4ed951..0b77d8b7d0e05b73e237d9a64fc43c3bc13bb95a 100644 (file)
--- a/crypto/cryptlib.c
+++ b/crypto/cryptlib.c
@@ -504,7 +504,7 @@ void CRYPTO_THREADID_current(CRYPTO_THREADID *id)
        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);
+       CRYPTO_THREADID_set_pointer(id, (void*)&errno);
 #endif
        }
 
@@ -665,28 +665,53 @@ const char *CRYPTO_get_lock_name(int type)
        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; }
+unsigned int  OPENSSL_ia32cap_P[2];
+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;
+    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;
-  unsigned long OPENSSL_ia32_cpuid(void);
+  IA32CAP OPENSSL_ia32_cpuid(void);
+  IA32CAP vec;
   char *env;
 
     if (trigger)       return;
 
     trigger=1;
-    if ((env=getenv("OPENSSL_ia32cap")))
-       OPENSSL_ia32cap_P = strtoul(env,NULL,0)|(1<<10);
+    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()&~vec;
+    }
     else
-       OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid()|(1<<10);
+       vec = OPENSSL_ia32_cpuid();
+
     /*
      * |(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);
 }
 #endif
 
@@ -864,7 +889,7 @@ void OPENSSL_showfatal (const char *fmta,...)
 
 #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
     /* this -------------v--- guards NT-specific calls */
-    if (GetVersion() < 0x80000000 && OPENSSL_isservice() > 0)
+    if (check_winnt() && 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);
@@ -900,3 +925,16 @@ void OpenSSLDie(const char *file,int line,const char *assertion)
        }
 
 void *OPENSSL_stderr(void)     { return stderr; }
+
+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;
+       }