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openssl/openssl-1.1.0-system-cipherlist.patch
Tomas Mraz c676ac32d5 update to upstream version 1.1.0e 
add documentation of the PROFILE=SYSTEM special cipher string (#1420232)
2017-02-16 16:59:27 +01:00

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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]);
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