Blob Blame Raw
diff -up openssl-1.0.1e/crypto/fips/fips.c.fips-ctor openssl-1.0.1e/crypto/fips/fips.c
--- openssl-1.0.1e/crypto/fips/fips.c.fips-ctor	2013-09-26 13:52:30.767885457 +0200
+++ openssl-1.0.1e/crypto/fips/fips.c	2013-09-26 14:01:29.406010187 +0200
@@ -60,6 +60,8 @@
 #include <dlfcn.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
 #include "fips_locl.h"
 
 #ifdef OPENSSL_FIPS
@@ -198,8 +200,10 @@ bin2hex(void *buf, size_t len)
 	return hex;
 }
 
-#define HMAC_PREFIX "." 
-#define HMAC_SUFFIX ".hmac" 
+#define HMAC_PREFIX "."
+#ifndef HMAC_SUFFIX
+#define HMAC_SUFFIX ".hmac"
+#endif
 #define READ_BUFFER_LENGTH 16384
 
 static char *
@@ -279,19 +283,13 @@ end:
 }
 
 static int
-FIPSCHECK_verify(const char *libname, const char *symbolname)
+FIPSCHECK_verify(const char *path)
 {
-	char path[PATH_MAX+1];
-	int rv;
+	int rv = 0;
 	FILE *hf;
 	char *hmacpath, *p;
 	char *hmac = NULL;
 	size_t n;
-	
-	rv = get_library_path(libname, symbolname, path, sizeof(path));
-
-	if (rv < 0)
-		return 0;
 
 	hmacpath = make_hmac_path(path);
 	if (hmacpath == NULL)
@@ -341,6 +339,53 @@ end:
 	return 1;	
 }
 
+static int
+verify_checksums(void)
+    {
+	int rv;
+	char path[PATH_MAX+1];
+	char *p;
+
+	/* we need to avoid dlopening libssl, assume both libcrypto and libssl
+	   are in the same directory */
+
+	rv = get_library_path("libcrypto.so." SHLIB_VERSION_NUMBER, "FIPS_mode_set", path, sizeof(path));
+	if (rv < 0)
+		return 0;
+
+	rv = FIPSCHECK_verify(path);
+	if (!rv)
+		return 0;
+
+	/* replace libcrypto with libssl */
+	while ((p = strstr(path, "libcrypto.so")) != NULL)
+	    {
+		p = stpcpy(p, "libssl");
+                memmove(p, p+3, strlen(p+2));
+	    }
+
+	rv = FIPSCHECK_verify(path);
+	if (!rv)
+		return 0;
+	return 1;
+    }
+
+#ifndef FIPS_MODULE_PATH
+#define FIPS_MODULE_PATH "/etc/system-fips"
+#endif
+
+int
+FIPS_module_installed(void)
+    {
+    int rv;
+    rv = access(FIPS_MODULE_PATH, F_OK);
+    if (rv < 0 && errno != ENOENT)
+	rv = 0;
+
+    /* Installed == true */
+    return !rv;
+    }
+
 int FIPS_module_mode_set(int onoff, const char *auth)
     {
     int ret = 0;
@@ -379,15 +424,7 @@ int FIPS_module_mode_set(int onoff, cons
 	}
 #endif
 
-	if(!FIPSCHECK_verify("libcrypto.so." SHLIB_VERSION_NUMBER,"FIPS_mode_set"))
-	    {
-	    FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,FIPS_R_FINGERPRINT_DOES_NOT_MATCH);
-	    fips_selftest_fail = 1;
-	    ret = 0;
-	    goto end;
-	    }
-
-	if(!FIPSCHECK_verify("libssl.so." SHLIB_VERSION_NUMBER,"SSL_CTX_new"))
+	if(!verify_checksums())
 	    {
 	    FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,FIPS_R_FINGERPRINT_DOES_NOT_MATCH);
 	    fips_selftest_fail = 1;
diff -up openssl-1.0.1e/crypto/fips/fips.h.fips-ctor openssl-1.0.1e/crypto/fips/fips.h
--- openssl-1.0.1e/crypto/fips/fips.h.fips-ctor	2013-09-26 13:52:30.814886515 +0200
+++ openssl-1.0.1e/crypto/fips/fips.h	2013-09-26 13:52:30.816886560 +0200
@@ -74,6 +74,7 @@ struct hmac_ctx_st;
 
 int FIPS_module_mode_set(int onoff, const char *auth);
 int FIPS_module_mode(void);
+int FIPS_module_installed(void);
 const void *FIPS_rand_check(void);
 int FIPS_selftest(void);
 int FIPS_selftest_failed(void);
diff -up openssl-1.0.1e/crypto/o_init.c.fips-ctor openssl-1.0.1e/crypto/o_init.c
--- openssl-1.0.1e/crypto/o_init.c.fips-ctor	2013-09-26 13:52:30.807886357 +0200
+++ openssl-1.0.1e/crypto/o_init.c	2013-09-26 14:00:21.000000000 +0200
@@ -71,6 +71,9 @@ static void init_fips_mode(void)
 	char buf[2] = "0";
 	int fd;
 	
+	/* Ensure the selftests always run */
+	FIPS_mode_set(1);
+
 	if (__secure_getenv("OPENSSL_FORCE_FIPS_MODE") != NULL)
 		{
 		buf[0] = '1';
@@ -85,9 +88,15 @@ static void init_fips_mode(void)
 	 * otherwise. 
 	 */
 	
-	if (buf[0] == '1')
+	if (buf[0] != '1')
+		{
+		/* drop down to non-FIPS mode if it is not requested */
+		FIPS_mode_set(0);
+		}
+	else
 		{
-		FIPS_mode_set(1);
+		/* abort if selftest failed */
+		FIPS_selftest_check();
 		}
 	}
 #endif
@@ -96,13 +105,17 @@ static void init_fips_mode(void)
  * Currently only sets FIPS callbacks
  */
 
-void OPENSSL_init_library(void)
+void __attribute__ ((constructor)) OPENSSL_init_library(void)
 	{
 	static int done = 0;
 	if (done)
 		return;
 	done = 1;
 #ifdef OPENSSL_FIPS
+	if (!FIPS_module_installed())
+		{
+		return;
+		}
 	RAND_init_fips();
 	init_fips_mode();
 	if (!FIPS_mode())