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310 lines
12 KiB
310 lines
12 KiB
diff -up openssl-1.1.1c/Configurations/unix-Makefile.tmpl.system-cipherlist openssl-1.1.1c/Configurations/unix-Makefile.tmpl |
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--- openssl-1.1.1c/Configurations/unix-Makefile.tmpl.system-cipherlist 2019-05-29 15:42:27.951329271 +0200 |
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+++ openssl-1.1.1c/Configurations/unix-Makefile.tmpl 2019-05-29 15:42:27.974328867 +0200 |
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@@ -180,6 +180,10 @@ MANDIR=$(INSTALLTOP)/share/man |
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DOCDIR=$(INSTALLTOP)/share/doc/$(BASENAME) |
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HTMLDIR=$(DOCDIR)/html |
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+{- output_off() if $config{system_ciphers_file} eq ""; "" -} |
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+SYSTEM_CIPHERS_FILE_DEFINE=-DSYSTEM_CIPHERS_FILE="\"{- $config{system_ciphers_file} -}\"" |
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+{- output_on() if $config{system_ciphers_file} eq ""; "" -} |
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+ |
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# MANSUFFIX is for the benefit of anyone who may want to have a suffix |
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# appended after the manpage file section number. "ssl" is popular, |
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# resulting in files such as config.5ssl rather than config.5. |
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@@ -203,6 +207,7 @@ CC=$(CROSS_COMPILE){- $config{CC} -} |
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CXX={- $config{CXX} ? "\$(CROSS_COMPILE)$config{CXX}" : '' -} |
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CPPFLAGS={- our $cppflags1 = join(" ", |
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(map { "-D".$_} @{$config{CPPDEFINES}}), |
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+ "\$(SYSTEM_CIPHERS_FILE_DEFINE)", |
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(map { "-I".$_} @{$config{CPPINCLUDES}}), |
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@{$config{CPPFLAGS}}) -} |
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CFLAGS={- join(' ', @{$config{CFLAGS}}) -} |
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diff -up openssl-1.1.1c/Configure.system-cipherlist openssl-1.1.1c/Configure |
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--- openssl-1.1.1c/Configure.system-cipherlist 2019-05-28 15:12:21.000000000 +0200 |
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+++ openssl-1.1.1c/Configure 2019-05-29 15:45:10.465469533 +0200 |
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@@ -24,7 +24,7 @@ use OpenSSL::Glob; |
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my $orig_death_handler = $SIG{__DIE__}; |
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$SIG{__DIE__} = \&death_handler; |
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-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-egd] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--config=FILE] os/compiler[:flags]\n"; |
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+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-egd] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--system-ciphers-file=SYSTEMCIPHERFILE] [--with-xxx[=vvv]] [--config=FILE] os/compiler[:flags]\n"; |
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# Options: |
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# |
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@@ -41,6 +41,9 @@ my $usage="Usage: Configure [no-<cipher> |
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# This becomes the value of OPENSSLDIR in Makefile and in C. |
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# (Default: PREFIX/ssl) |
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# |
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+# --system-ciphers-file A file to read cipher string from when the PROFILE=SYSTEM |
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+# cipher is specified (default). |
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+# |
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# --cross-compile-prefix Add specified prefix to binutils components. |
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# |
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# --api One of 0.9.8, 1.0.0 or 1.1.0. Do not compile support for |
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@@ -295,6 +298,7 @@ $config{prefix}=""; |
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$config{openssldir}=""; |
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$config{processor}=""; |
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$config{libdir}=""; |
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+$config{system_ciphers_file}=""; |
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my $auto_threads=1; # enable threads automatically? true by default |
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my $default_ranlib; |
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@@ -824,6 +828,10 @@ while (@argvcopy) |
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push @seed_sources, $x; |
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} |
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} |
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+ elsif (/^--system-ciphers-file=(.*)$/) |
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+ { |
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+ $config{system_ciphers_file}=$1; |
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+ } |
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elsif (/^--cross-compile-prefix=(.*)$/) |
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{ |
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$user{CROSS_COMPILE}=$1; |
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@@ -1016,6 +1024,8 @@ if ($target eq "HASH") { |
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exit 0; |
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} |
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+chop $config{system_ciphers_file} if $config{system_ciphers_file} =~ /\/$/; |
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+ |
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print "Configuring OpenSSL version $config{version} ($config{version_num}) "; |
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print "for $target\n"; |
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diff -up openssl-1.1.1c/doc/man1/ciphers.pod.system-cipherlist openssl-1.1.1c/doc/man1/ciphers.pod |
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--- openssl-1.1.1c/doc/man1/ciphers.pod.system-cipherlist 2019-05-28 15:12:21.000000000 +0200 |
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+++ openssl-1.1.1c/doc/man1/ciphers.pod 2019-05-29 15:42:27.975328849 +0200 |
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@@ -182,6 +182,15 @@ As of OpenSSL 1.0.0, the B<ALL> cipher s |
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|
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The cipher suites not enabled by B<ALL>, currently B<eNULL>. |
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+=item B<PROFILE=SYSTEM> |
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+ |
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+The list of enabled cipher suites will be loaded from the system crypto policy |
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+configuration file B</etc/crypto-policies/back-ends/openssl.config>. |
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+See also L<update-crypto-policies(8)>. |
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+This is the default behavior unless an application explicitly sets a cipher |
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+list. If used in a cipher list configuration value this string must be at the |
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+beginning of the cipher list, otherwise it will not be recognized. |
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+ |
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=item B<HIGH> |
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|
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"High" encryption cipher suites. This currently means those with key lengths |
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diff -up openssl-1.1.1c/include/openssl/ssl.h.system-cipherlist openssl-1.1.1c/include/openssl/ssl.h |
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--- openssl-1.1.1c/include/openssl/ssl.h.system-cipherlist 2019-05-28 15:12:21.000000000 +0200 |
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+++ openssl-1.1.1c/include/openssl/ssl.h 2019-05-29 15:42:27.975328849 +0200 |
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@@ -186,6 +186,11 @@ extern "C" { |
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* throwing out anonymous and unencrypted ciphersuites! (The latter are not |
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* actually enabled by ALL, but "ALL:RSA" would enable some of them.) |
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*/ |
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+# ifdef SYSTEM_CIPHERS_FILE |
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+# define SSL_SYSTEM_DEFAULT_CIPHER_LIST "PROFILE=SYSTEM" |
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+# else |
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+# define SSL_SYSTEM_DEFAULT_CIPHER_LIST SSL_DEFAULT_CIPHER_LIST |
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+# endif |
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/* Used in SSL_set_shutdown()/SSL_get_shutdown(); */ |
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# define SSL_SENT_SHUTDOWN 1 |
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diff -up openssl-1.1.1c/ssl/ssl_ciph.c.system-cipherlist openssl-1.1.1c/ssl/ssl_ciph.c |
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--- openssl-1.1.1c/ssl/ssl_ciph.c.system-cipherlist 2019-05-28 15:12:21.000000000 +0200 |
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+++ openssl-1.1.1c/ssl/ssl_ciph.c 2019-05-29 15:42:27.976328831 +0200 |
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@@ -9,6 +9,8 @@ |
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* https://www.openssl.org/source/license.html |
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*/ |
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+/* for secure_getenv */ |
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+#define _GNU_SOURCE |
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#include <stdio.h> |
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#include <ctype.h> |
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#include <openssl/objects.h> |
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@@ -1399,6 +1401,53 @@ int SSL_set_ciphersuites(SSL *s, const c |
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return ret; |
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} |
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+#ifdef SYSTEM_CIPHERS_FILE |
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+static char *load_system_str(const char *suffix) |
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+{ |
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+ FILE *fp; |
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+ char buf[1024]; |
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+ char *new_rules; |
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+ const char *ciphers_path; |
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+ unsigned len, slen; |
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+ |
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+ if ((ciphers_path = secure_getenv("OPENSSL_SYSTEM_CIPHERS_OVERRIDE")) == NULL) |
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+ ciphers_path = SYSTEM_CIPHERS_FILE; |
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+ fp = fopen(ciphers_path, "r"); |
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+ if (fp == NULL || fgets(buf, sizeof(buf), fp) == NULL) { |
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+ /* cannot open or file is empty */ |
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+ snprintf(buf, sizeof(buf), "%s", SSL_DEFAULT_CIPHER_LIST); |
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+ } |
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+ |
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+ if (fp) |
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+ fclose(fp); |
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+ |
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+ slen = strlen(suffix); |
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+ len = strlen(buf); |
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+ |
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+ if (buf[len - 1] == '\n') { |
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+ len--; |
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+ buf[len] = 0; |
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+ } |
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+ if (buf[len - 1] == '\r') { |
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+ len--; |
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+ buf[len] = 0; |
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+ } |
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+ |
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+ new_rules = OPENSSL_malloc(len + slen + 1); |
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+ if (new_rules == 0) |
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+ return NULL; |
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+ |
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+ memcpy(new_rules, buf, len); |
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+ if (slen > 0) { |
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+ memcpy(&new_rules[len], suffix, slen); |
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+ len += slen; |
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+ } |
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+ new_rules[len] = 0; |
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+ |
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+ return new_rules; |
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+} |
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+#endif |
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+ |
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STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, |
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STACK_OF(SSL_CIPHER) *tls13_ciphersuites, |
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STACK_OF(SSL_CIPHER) **cipher_list, |
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@@ -1412,15 +1461,25 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_ |
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const char *rule_p; |
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CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr; |
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const SSL_CIPHER **ca_list = NULL; |
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+#ifdef SYSTEM_CIPHERS_FILE |
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+ char *new_rules = NULL; |
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+ |
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+ if (rule_str != NULL && strncmp(rule_str, "PROFILE=SYSTEM", 14) == 0) { |
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+ char *p = rule_str + 14; |
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+ |
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+ new_rules = load_system_str(p); |
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+ rule_str = new_rules; |
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+ } |
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+#endif |
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/* |
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* Return with error if nothing to do. |
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*/ |
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if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL) |
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- return NULL; |
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+ goto err; |
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#ifndef OPENSSL_NO_EC |
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if (!check_suiteb_cipher_list(ssl_method, c, &rule_str)) |
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- return NULL; |
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+ goto err; |
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#endif |
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/* |
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@@ -1443,7 +1502,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_ |
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co_list = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers); |
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if (co_list == NULL) { |
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SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); |
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- return NULL; /* Failure */ |
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+ goto err; |
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} |
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ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers, |
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@@ -1509,8 +1568,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_ |
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* in force within each class |
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*/ |
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if (!ssl_cipher_strength_sort(&head, &tail)) { |
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- OPENSSL_free(co_list); |
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- return NULL; |
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+ goto err; |
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} |
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/* |
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@@ -1555,9 +1613,8 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_ |
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num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1; |
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ca_list = OPENSSL_malloc(sizeof(*ca_list) * num_of_alias_max); |
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if (ca_list == NULL) { |
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- OPENSSL_free(co_list); |
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SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); |
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- return NULL; /* Failure */ |
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+ goto err; |
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} |
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ssl_cipher_collect_aliases(ca_list, num_of_group_aliases, |
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disabled_mkey, disabled_auth, disabled_enc, |
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@@ -1583,8 +1640,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_ |
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OPENSSL_free(ca_list); /* Not needed anymore */ |
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if (!ok) { /* Rule processing failure */ |
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- OPENSSL_free(co_list); |
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- return NULL; |
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+ goto err; |
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} |
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/* |
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@@ -1592,14 +1648,18 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_ |
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* if we cannot get one. |
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*/ |
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if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) { |
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- OPENSSL_free(co_list); |
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- return NULL; |
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+ goto err; |
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} |
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+#ifdef SYSTEM_CIPHERS_FILE |
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+ OPENSSL_free(new_rules); /* Not needed anymore */ |
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+#endif |
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+ |
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/* Add TLSv1.3 ciphers first - we always prefer those if possible */ |
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for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) { |
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if (!sk_SSL_CIPHER_push(cipherstack, |
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sk_SSL_CIPHER_value(tls13_ciphersuites, i))) { |
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+ OPENSSL_free(co_list); |
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sk_SSL_CIPHER_free(cipherstack); |
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return NULL; |
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} |
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@@ -1631,6 +1691,14 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_ |
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*cipher_list = cipherstack; |
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return cipherstack; |
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+ |
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+err: |
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+ OPENSSL_free(co_list); |
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+#ifdef SYSTEM_CIPHERS_FILE |
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+ OPENSSL_free(new_rules); |
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+#endif |
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+ return NULL; |
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+ |
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} |
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char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) |
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diff -up openssl-1.1.1c/ssl/ssl_lib.c.system-cipherlist openssl-1.1.1c/ssl/ssl_lib.c |
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--- openssl-1.1.1c/ssl/ssl_lib.c.system-cipherlist 2019-05-29 15:42:27.970328937 +0200 |
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+++ openssl-1.1.1c/ssl/ssl_lib.c 2019-05-29 15:42:27.977328814 +0200 |
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@@ -662,7 +662,7 @@ int SSL_CTX_set_ssl_version(SSL_CTX *ctx |
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ctx->tls13_ciphersuites, |
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&(ctx->cipher_list), |
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&(ctx->cipher_list_by_id), |
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- SSL_DEFAULT_CIPHER_LIST, ctx->cert); |
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+ SSL_SYSTEM_DEFAULT_CIPHER_LIST, ctx->cert); |
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if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) { |
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SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); |
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return 0; |
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@@ -2954,7 +2954,7 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *m |
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if (!ssl_create_cipher_list(ret->method, |
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ret->tls13_ciphersuites, |
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&ret->cipher_list, &ret->cipher_list_by_id, |
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- SSL_DEFAULT_CIPHER_LIST, ret->cert) |
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+ SSL_SYSTEM_DEFAULT_CIPHER_LIST, ret->cert) |
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|| sk_SSL_CIPHER_num(ret->cipher_list) <= 0) { |
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SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_LIBRARY_HAS_NO_CIPHERS); |
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goto err2; |
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diff -up openssl-1.1.1c/test/cipherlist_test.c.system-cipherlist openssl-1.1.1c/test/cipherlist_test.c |
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--- openssl-1.1.1c/test/cipherlist_test.c.system-cipherlist 2019-05-28 15:12:21.000000000 +0200 |
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+++ openssl-1.1.1c/test/cipherlist_test.c 2019-05-29 15:42:27.977328814 +0200 |
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@@ -251,7 +251,9 @@ end: |
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int setup_tests(void) |
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{ |
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+#ifndef SYSTEM_CIPHERS_FILE |
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ADD_TEST(test_default_cipherlist_implicit); |
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+#endif |
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ADD_TEST(test_default_cipherlist_explicit); |
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ADD_TEST(test_default_cipherlist_clear); |
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return 1;
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