openssl/openssl-1.0.2a-system-cipherlist.patch

diff -up openssl-1.0.2a/Configure.system openssl-1.0.2a/Configure
--- openssl-1.0.2a/Configure.system	2015-04-22 15:23:47.970633650 +0200
+++ openssl-1.0.2a/Configure	2015-04-22 15:23:48.042635407 +0200
@@ -10,7 +10,7 @@ use strict;
 
 # see INSTALL for instructions.
 
-my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [experimental-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-dso] [no-krb5] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--test-sanity] os/compiler[:flags]\n";
+my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [experimental-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-dso] [no-krb5] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--system-ciphers-file=SYSTEMCIPHERFILE] [--with-xxx[=vvv]] [--test-sanity] os/compiler[:flags]\n";
 
 # Options:
 #
@@ -35,6 +35,9 @@ my $usage="Usage: Configure [no-<cipher>
 # --with-krb5-flavor  Declare what flavor of Kerberos 5 is used.  Currently
 #		supported values are "MIT" and "Heimdal".  A value is required.
 #
+# --system-ciphers-file  A file to read cipher string from when the PROFILE=SYSTEM
+#		cipher is specified (default).
+#
 # --test-sanity Make a number of sanity checks on the data in this file.
 #               This is a debugging tool for OpenSSL developers.
 #
@@ -703,6 +706,7 @@ my $prefix="";
 my $libdir="";
 my $openssldir="";
 my $enginesdir="";
+my $system_ciphers_file="";
 my $exe_ext="";
 my $install_prefix= "$ENV{'INSTALL_PREFIX'}";
 my $cross_compile_prefix="";
@@ -934,6 +938,10 @@ PROCESS_ARGS:
 				{
 				$enginesdir=$1;
 				}
+			elsif (/^--system-ciphers-file=(.*)$/)
+				{
+				$system_ciphers_file=$1;
+				}
 			elsif (/^--install.prefix=(.*)$/)
 				{
 				$install_prefix=$1;
@@ -1096,6 +1104,7 @@ print "Configuring for $target\n";
 
 &usage if (!defined($table{$target}));
 
+chop $system_ciphers_file if $system_ciphers_file =~ /\/$/;
 
 foreach (sort (keys %disabled))
 	{
@@ -1668,6 +1677,7 @@ while (<IN>)
 	s/^MULTILIB=.*$/MULTILIB=$multilib/;
 	s/^OPENSSLDIR=.*$/OPENSSLDIR=$openssldir/;
 	s/^ENGINESDIR=.*$/ENGINESDIR=$enginesdir/;
+	s/^SYSTEM_CIPHERS_FILE=.*$/SYSTEM_CIPHERS_FILE=$system_ciphers_file/;
 	s/^LIBDIR=.*$/LIBDIR=$libdir/;
 	s/^INSTALL_PREFIX=.*$/INSTALL_PREFIX=$install_prefix/;
 	s/^PLATFORM=.*$/PLATFORM=$target/;
@@ -1877,6 +1887,14 @@ while (<IN>)
 		$foo =~ s/\\/\\\\/g;
 		print OUT "#define ENGINESDIR \"$foo\"\n";
 		}
+	elsif	(/^#((define)|(undef))\s+SYSTEM_CIPHERS_FILE/)
+		{
+		my $foo = "$system_ciphers_file";
+		if ($foo ne '') {
+			$foo =~ s/\\/\\\\/g;
+			print OUT "#define SYSTEM_CIPHERS_FILE \"$foo\"\n";
+		}
+		}
 	elsif	(/^#((define)|(undef))\s+OPENSSL_EXPORT_VAR_AS_FUNCTION/)
 		{ printf OUT "#undef OPENSSL_EXPORT_VAR_AS_FUNCTION\n"
 			if $export_var_as_fn;
diff -up openssl-1.0.2a/crypto/opensslconf.h.in.system openssl-1.0.2a/crypto/opensslconf.h.in
--- openssl-1.0.2a/crypto/opensslconf.h.in.system	2015-04-22 15:23:47.988634089 +0200
+++ openssl-1.0.2a/crypto/opensslconf.h.in	2015-04-22 15:23:48.042635407 +0200
@@ -25,6 +25,8 @@
 #endif
 #endif
 
+#undef SYSTEM_CIPHERS_FILE
+
 #undef OPENSSL_UNISTD
 #define OPENSSL_UNISTD <unistd.h>
 
diff -up openssl-1.0.2a/ssl/ssl_ciph.c.system openssl-1.0.2a/ssl/ssl_ciph.c
--- openssl-1.0.2a/ssl/ssl_ciph.c.system	2015-04-22 15:23:47.993634211 +0200
+++ openssl-1.0.2a/ssl/ssl_ciph.c	2015-04-22 15:29:30.185982356 +0200
@@ -1463,6 +1463,50 @@ static int check_suiteb_cipher_list(cons
 }
 #endif
 
+#ifdef SYSTEM_CIPHERS_FILE
+static char *load_system_str(const char *suffix)
+{
+    FILE *fp;
+    char buf[1024];
+    char *new_rules;
+    unsigned len, slen;
+
+    fp = fopen(SYSTEM_CIPHERS_FILE, "r");
+    if (fp == NULL || fgets(buf, sizeof(buf), fp) == NULL) {
+        /* cannot open or file is empty */
+        snprintf(buf, sizeof(buf), "%s", SSL_DEFAULT_CIPHER_LIST);
+    }
+
+    if (fp)
+        fclose(fp);
+
+    slen = strlen(suffix);
+    len = strlen(buf);
+
+    if (buf[len - 1] == '\n') {
+        len--;
+        buf[len] = 0;
+    }
+    if (buf[len - 1] == '\r') {
+        len--;
+        buf[len] = 0;
+    }
+
+    new_rules = OPENSSL_malloc(len + slen + 1);
+    if (new_rules == 0)
+        return NULL;
+
+    memcpy(new_rules, buf, len);
+    if (slen > 0) {
+        memcpy(&new_rules[len], suffix, slen);
+        len += slen;
+    }
+    new_rules[len] = 0;
+
+    return new_rules;
+}
+#endif
+
 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK_OF(SSL_CIPHER)
                                              **cipher_list, STACK_OF(SSL_CIPHER)
                                              **cipher_list_by_id,
@@ -1471,19 +1515,29 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
     int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases;
     unsigned long disabled_mkey, disabled_auth, disabled_enc, disabled_mac,
         disabled_ssl;
-    STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list;
+    STACK_OF(SSL_CIPHER) *cipherstack = NULL, *tmp_cipher_list;
     const char *rule_p;
     CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr;
     const SSL_CIPHER **ca_list = NULL;
+#ifdef SYSTEM_CIPHERS_FILE
+    char *new_rules = NULL;
+
+    if (rule_str != NULL && strncmp(rule_str, "PROFILE=SYSTEM", 14) == 0) {
+        char *p = rule_str + 14;
+    
+        new_rules = load_system_str(p);
+        rule_str = new_rules;
+    }
+#endif
 
     /*
      * Return with error if nothing to do.
      */
     if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL)
-        return NULL;
+        goto end;
 #ifndef OPENSSL_NO_EC
     if (!check_suiteb_cipher_list(ssl_method, c, &rule_str))
-        return NULL;
+        goto end;
 #endif
 
     /*
@@ -1507,7 +1561,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
         (CIPHER_ORDER *)OPENSSL_malloc(sizeof(CIPHER_ORDER) * num_of_ciphers);
     if (co_list == NULL) {
         SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);
-        return (NULL);          /* Failure */
+        goto end;
     }
 
     ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers,
@@ -1568,8 +1622,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
      * in force within each class
      */
     if (!ssl_cipher_strength_sort(&head, &tail)) {
-        OPENSSL_free(co_list);
-        return NULL;
+        goto end;
     }
 
     /* Now disable everything (maintaining the ordering!) */
@@ -1587,9 +1640,8 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
     num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1;
     ca_list = OPENSSL_malloc(sizeof(SSL_CIPHER *) * num_of_alias_max);
     if (ca_list == NULL) {
-        OPENSSL_free(co_list);
         SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);
-        return (NULL);          /* Failure */
+        goto end;
     }
     ssl_cipher_collect_aliases(ca_list, num_of_group_aliases,
                                disabled_mkey, disabled_auth, disabled_enc,
@@ -1615,8 +1667,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
     OPENSSL_free((void *)ca_list); /* Not needed anymore */
 
     if (!ok) {                  /* Rule processing failure */
-        OPENSSL_free(co_list);
-        return (NULL);
+        goto end;
     }
 
     /*
@@ -1624,8 +1675,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
      * if we cannot get one.
      */
     if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) {
-        OPENSSL_free(co_list);
-        return (NULL);
+        goto end;
     }
 
     /*
@@ -1646,12 +1696,12 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
 #endif
         }
     }
-    OPENSSL_free(co_list);      /* Not needed any longer */
 
     tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack);
     if (tmp_cipher_list == NULL) {
         sk_SSL_CIPHER_free(cipherstack);
-        return NULL;
+        cipherstack = NULL;
+        goto end;
     }
     if (*cipher_list != NULL)
         sk_SSL_CIPHER_free(*cipher_list);
@@ -1663,6 +1713,12 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
                                      ssl_cipher_ptr_id_cmp);
 
     sk_SSL_CIPHER_sort(*cipher_list_by_id);
+
+ end:
+    OPENSSL_free(co_list);
+#ifdef SYSTEM_CIPHERS_FILE
+    OPENSSL_free(new_rules);
+#endif
     return (cipherstack);
 }
 
diff -up openssl-1.0.2a/ssl/ssl.h.system openssl-1.0.2a/ssl/ssl.h
--- openssl-1.0.2a/ssl/ssl.h.system	2015-04-22 15:23:48.043635431 +0200
+++ openssl-1.0.2a/ssl/ssl.h	2015-04-22 15:35:43.666093799 +0200
@@ -345,6 +345,11 @@ extern "C" {
  * throwing out anonymous and unencrypted ciphersuites! (The latter are not
  * actually enabled by ALL, but "ALL:RSA" would enable some of them.)
  */
+# ifdef SYSTEM_CIPHERS_FILE
+#  define SSL_SYSTEM_DEFAULT_CIPHER_LIST "PROFILE=SYSTEM"
+# else
+#  define SSL_SYSTEM_DEFAULT_CIPHER_LIST SSL_DEFAULT_CIPHER_LIST
+# endif
 
 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
 # define SSL_SENT_SHUTDOWN       1
diff -up openssl-1.0.2a/ssl/ssl_lib.c.system openssl-1.0.2a/ssl/ssl_lib.c
--- openssl-1.0.2a/ssl/ssl_lib.c.system	2015-04-22 15:23:48.044635455 +0200
+++ openssl-1.0.2a/ssl/ssl_lib.c	2015-04-22 15:31:55.794534631 +0200
@@ -273,7 +273,7 @@ int SSL_CTX_set_ssl_version(SSL_CTX *ctx
                                 &(ctx->cipher_list_by_id),
                                 meth->version ==
                                 SSL2_VERSION ? "SSLv2" :
-                                SSL_DEFAULT_CIPHER_LIST, ctx->cert);
+                                SSL_SYSTEM_DEFAULT_CIPHER_LIST, ctx->cert);
     if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) {
         SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,
                SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
@@ -1945,7 +1945,7 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *m
     ssl_create_cipher_list(ret->method,
                            &ret->cipher_list, &ret->cipher_list_by_id,
                            meth->version ==
-                           SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST,
+                           SSL2_VERSION ? "SSLv2" : SSL_SYSTEM_DEFAULT_CIPHER_LIST,
                            ret->cert);
     if (ret->cipher_list == NULL || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) {
         SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_LIBRARY_HAS_NO_CIPHERS);