X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fcryptlib.c;h=680dd0a78c95639d2f2606a0837bdbb18e39bb9b;hb=3aa1b1ccbbfaf1a89c590295d7a69de2e705a442;hp=072b341ca215e2af5a1ca0d20590e52bdb4ed951;hpb=dea113b428dc60c57ee5d4dafaea2ccb32b28a07;p=oweals%2Fopenssl.git

diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c
index 072b341ca2..680dd0a78c 100644
--- 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
 	}
 
@@ -665,29 +665,70 @@ 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; }
+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;
-  unsigned long OPENSSL_ia32_cpuid(void);
+  IA32CAP OPENSSL_ia32_cpuid(unsigned int *);
+  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(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
-	OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid()|(1<<10);
+	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
@@ -900,3 +941,16 @@ 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;
+	}