openssl/openssl-1.1.0-system-cipherlist.patch

diff -up openssl-1.1.0e/Configurations/unix-Makefile.tmpl.system-cipherlist openssl-1.1.0e/Configurations/unix-Makefile.tmpl
--- openssl-1.1.0e/Configurations/unix-Makefile.tmpl.system-cipherlist	2017-02-16 16:15:38.658931413 +0100
+++ openssl-1.1.0e/Configurations/unix-Makefile.tmpl	2017-02-16 16:15:38.675931806 +0100
@@ -161,6 +161,10 @@ MANDIR=$(INSTALLTOP)/share/man
 DOCDIR=$(INSTALLTOP)/share/doc/$(BASENAME)
 HTMLDIR=$(DOCDIR)/html
 
+{- output_off() if $config{system_ciphers_file} eq ""; "" -}
+SYSTEM_CIPHERS_FILE_DEFINE=-DSYSTEM_CIPHERS_FILE="\"{- $config{system_ciphers_file} -}\""
+{- output_on() if $config{system_ciphers_file} eq ""; "" -}
+
 # MANSUFFIX is for the benefit of anyone who may want to have a suffix
 # appended after the manpage file section number.  "ssl" is popular,
 # resulting in files such as config.5ssl rather than config.5.
@@ -171,7 +175,7 @@ HTMLSUFFIX=html
 
 CROSS_COMPILE= {- $config{cross_compile_prefix} -}
 CC= $(CROSS_COMPILE){- $target{cc} -}
-CFLAGS={- our $cflags2 = join(" ",(map { "-D".$_} @{$target{defines}}, @{$config{defines}}),"-DOPENSSLDIR=\"\\\"\$(OPENSSLDIR)\\\"\"","-DENGINESDIR=\"\\\"\$(ENGINESDIR)\\\"\"") -} {- $target{cflags} -} {- $config{cflags} -}
+CFLAGS={- our $cflags2 = join(" ",(map { "-D".$_} @{$target{defines}}, @{$config{defines}}),"\$(SYSTEM_CIPHERS_FILE_DEFINE)","-DOPENSSLDIR=\"\\\"\$(OPENSSLDIR)\\\"\"","-DENGINESDIR=\"\\\"\$(ENGINESDIR)\\\"\"") -} {- $target{cflags} -} {- $config{cflags} -}
 CFLAGS_Q={- $cflags2 =~ s|([\\"])|\\$1|g; $cflags2 -} {- $config{cflags} -}
 LDFLAGS= {- $target{lflags} -}
 PLIB_LDFLAGS= {- $target{plib_lflags} -}
diff -up openssl-1.1.0e/Configure.system-cipherlist openssl-1.1.0e/Configure
--- openssl-1.1.0e/Configure.system-cipherlist	2017-02-16 12:58:20.000000000 +0100
+++ openssl-1.1.0e/Configure	2017-02-16 16:15:38.679931899 +0100
@@ -18,7 +18,7 @@ use if $^O ne "VMS", 'File::Glob' => qw/
 
 # see INSTALL for instructions.
 
-my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-dso] [no-egd] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--config=FILE] os/compiler[:flags]\n";
+my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-dso] [no-egd] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--system-ciphers-file=SYSTEMCIPHERFILE] [--with-xxx[=vvv]] [--config=FILE] os/compiler[:flags]\n";
 
 # Options:
 #
@@ -35,6 +35,9 @@ my $usage="Usage: Configure [no-<cipher>
 #               This becomes the value of OPENSSLDIR in Makefile and in C.
 #               (Default: PREFIX/ssl)
 #
+# --system-ciphers-file  A file to read cipher string from when the PROFILE=SYSTEM
+#		cipher is specified (default).
+#
 # --cross-compile-prefix Add specified prefix to binutils components.
 #
 # --api         One of 0.9.8, 1.0.0 or 1.1.0.  Do not compile support for
@@ -293,6 +296,7 @@ $config{openssldir}="";
 $config{processor}="";
 $config{libdir}="";
 $config{cross_compile_prefix}="";
+$config{system_ciphers_file}="";
 $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
 my $nofipscanistercheck=0;
 $config{baseaddr}="0xFB00000";
@@ -718,6 +722,10 @@ while (@argvcopy)
 			{
 			$config{baseaddr}="$1";
 			}
+		elsif (/^--system-ciphers-file=(.*)$/)
+			{
+			$config{system_ciphers_file}=$1;
+			}
 		elsif (/^--cross-compile-prefix=(.*)$/)
 			{
 			$config{cross_compile_prefix}=$1;
@@ -851,6 +859,8 @@ if ($target =~ m/^CygWin32(-.*)$/) {
     $target = "Cygwin".$1;
 }
 
+chop $config{system_ciphers_file} if $config{system_ciphers_file} =~ /\/$/;
+
 foreach (sort (keys %disabled))
 	{
 	$config{options} .= " no-$_";
diff -up openssl-1.1.0e/doc/apps/ciphers.pod.system-cipherlist openssl-1.1.0e/doc/apps/ciphers.pod
--- openssl-1.1.0e/doc/apps/ciphers.pod.system-cipherlist	2017-02-16 12:58:22.000000000 +0100
+++ openssl-1.1.0e/doc/apps/ciphers.pod	2017-02-16 16:37:14.043219953 +0100
@@ -181,6 +181,15 @@ As of OpenSSL 1.0.0, the B<ALL> cipher s
 
 The cipher suites not enabled by B<ALL>, currently B<eNULL>.
 
+=item B<PROFILE=SYSTEM>
+
+The list of enabled cipher suites will be loaded from the system crypto policy
+configuration file B</etc/crypto-policies/back-ends/openssl.config>.
+See also L<update-crypto-policies(8)>.
+This is the default behavior unless an application explicitly sets a cipher
+list. If used in a cipher list configuration value this string must be at the
+beginning of the cipher list, otherwise it will not be recognized.
+
 =item B<HIGH>
 
 "high" encryption cipher suites. This currently means those with key lengths
diff -up openssl-1.1.0e/include/openssl/ssl.h.system-cipherlist openssl-1.1.0e/include/openssl/ssl.h
--- openssl-1.1.0e/include/openssl/ssl.h.system-cipherlist	2017-02-16 12:58:23.000000000 +0100
+++ openssl-1.1.0e/include/openssl/ssl.h	2017-02-16 16:15:38.676931830 +0100
@@ -201,6 +201,11 @@ 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-1.1.0e/ssl/ssl_ciph.c.system-cipherlist openssl-1.1.0e/ssl/ssl_ciph.c
--- openssl-1.1.0e/ssl/ssl_ciph.c.system-cipherlist	2017-02-16 12:58:23.000000000 +0100
+++ openssl-1.1.0e/ssl/ssl_ciph.c	2017-02-16 16:15:38.691932177 +0100
@@ -1289,6 +1289,50 @@ 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,
@@ -1296,19 +1341,29 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
 {
     int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases;
     uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac;
-    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
 
     /*
@@ -1331,7 +1386,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
     co_list = OPENSSL_malloc(sizeof(*co_list) * 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,
@@ -1401,8 +1456,7 @@ 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;
     }
 
     /*
@@ -1447,9 +1501,8 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
     num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1;
     ca_list = OPENSSL_malloc(sizeof(*ca_list) * 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,
@@ -1475,8 +1528,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
     OPENSSL_free(ca_list);      /* Not needed anymore */
 
     if (!ok) {                  /* Rule processing failure */
-        OPENSSL_free(co_list);
-        return (NULL);
+        goto end;
     }
 
     /*
@@ -1484,8 +1536,7 @@ 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;
     }
 
     /*
@@ -1496,21 +1547,21 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
         if (curr->active
             && (!FIPS_mode() || curr->cipher->algo_strength & SSL_FIPS)) {
             if (!sk_SSL_CIPHER_push(cipherstack, curr->cipher)) {
-                OPENSSL_free(co_list);
                 sk_SSL_CIPHER_free(cipherstack);
-                return NULL;
+                cipherstack = NULL;
+                goto end;
             }
 #ifdef CIPHER_DEBUG
             fprintf(stderr, "<%s>\n", curr->cipher->name);
 #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;
     }
     sk_SSL_CIPHER_free(*cipher_list);
     *cipher_list = cipherstack;
@@ -1520,6 +1571,12 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_
     (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id, 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-1.1.0e/ssl/ssl_lib.c.system-cipherlist openssl-1.1.0e/ssl/ssl_lib.c
--- openssl-1.1.0e/ssl/ssl_lib.c.system-cipherlist	2017-02-16 16:15:38.673931760 +0100
+++ openssl-1.1.0e/ssl/ssl_lib.c	2017-02-16 16:15:38.692932200 +0100
@@ -509,7 +509,7 @@ int SSL_CTX_set_ssl_version(SSL_CTX *ctx
 
     sk = ssl_create_cipher_list(ctx->method, &(ctx->cipher_list),
                                 &(ctx->cipher_list_by_id),
-                                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);
         return (0);
@@ -2403,7 +2403,7 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *m
 #endif
     if (!ssl_create_cipher_list(ret->method,
                                 &ret->cipher_list, &ret->cipher_list_by_id,
-                                SSL_DEFAULT_CIPHER_LIST, ret->cert)
+                                SSL_SYSTEM_DEFAULT_CIPHER_LIST, ret->cert)
         || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) {
         SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_LIBRARY_HAS_NO_CIPHERS);
         goto err2;
diff -up openssl-1.1.0e/test/cipherlist_test.c.system-cipherlist openssl-1.1.0e/test/cipherlist_test.c
--- openssl-1.1.0e/test/cipherlist_test.c.system-cipherlist	2017-02-16 12:58:24.000000000 +0100
+++ openssl-1.1.0e/test/cipherlist_test.c	2017-02-16 16:15:38.677931853 +0100
@@ -190,7 +190,9 @@ int main(int argc, char **argv)
 {
     int result = 0;
 
+#ifndef SYSTEM_CIPHERS_FILE
     ADD_TEST(test_default_cipherlist_implicit);
+#endif
     ADD_TEST(test_default_cipherlist_explicit);
 
     result = run_tests(argv[0]);