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openssl-1.1.1-system-cipherlist.patch
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File openssl-1.1.1-system-cipherlist.patch of Package openssl
Index: openssl-1.1.1m/Configurations/unix-Makefile.tmpl =================================================================== --- openssl-1.1.1m.orig/Configurations/unix-Makefile.tmpl +++ openssl-1.1.1m/Configurations/unix-Makefile.tmpl @@ -278,6 +278,10 @@ 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 $config{system_ciphers_file} eq ""; "" -} + # MANSUFFIX is for the benefit of anyone who may want to have a suffix # appended after the manpage file section number. "ssl" is popular, # resulting in files such as config.5ssl rather than config.5. @@ -301,6 +305,7 @@ CC=$(CROSS_COMPILE){- $config{CC} -} CXX={- $config{CXX} ? "\$(CROSS_COMPILE)$config{CXX}" : '' -} CPPFLAGS={- our $cppflags1 = join(" ", (map { "-D".$_} @{$config{CPPDEFINES}}), + "\$(SYSTEM_CIPHERS_FILE_DEFINE)", (map { "-I".$_} @{$config{CPPINCLUDES}}), @{$config{CPPFLAGS}}) -} CFLAGS={- join(' ', @{$config{CFLAGS}}) -} Index: openssl-1.1.1m/Configure =================================================================== --- openssl-1.1.1m.orig/Configure +++ openssl-1.1.1m/Configure @@ -24,7 +24,7 @@ use OpenSSL::Glob; my $orig_death_handler = $SIG{__DIE__}; $SIG{__DIE__} = \&death_handler; -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"; +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"; # Options: # @@ -41,6 +41,9 @@ 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 @@ -314,6 +317,7 @@ $config{prefix}=""; $config{openssldir}=""; $config{processor}=""; $config{libdir}=""; +$config{system_ciphers_file}=""; my $auto_threads=1; # enable threads automatically? true by default my $default_ranlib; @@ -844,6 +848,10 @@ while (@argvcopy) push @seed_sources, $x; } } + elsif (/^--system-ciphers-file=(.*)$/) + { + $config{system_ciphers_file}=$1; + } elsif (/^--cross-compile-prefix=(.*)$/) { $user{CROSS_COMPILE}=$1; @@ -1052,6 +1060,8 @@ if ($target eq "HASH") { exit 0; } +chop $config{system_ciphers_file} if $config{system_ciphers_file} =~ /\/$/; + print "Configuring OpenSSL version $config{version} ($config{version_num}) "; print "for $target\n"; Index: openssl-1.1.1m/doc/man1/ciphers.pod =================================================================== --- openssl-1.1.1m.orig/doc/man1/ciphers.pod +++ openssl-1.1.1m/doc/man1/ciphers.pod @@ -182,6 +182,15 @@ 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 Index: openssl-1.1.1m/include/openssl/ssl.h =================================================================== --- openssl-1.1.1m.orig/include/openssl/ssl.h +++ openssl-1.1.1m/include/openssl/ssl.h @@ -191,6 +191,11 @@ 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 Index: openssl-1.1.1m/ssl/ssl_ciph.c =================================================================== --- openssl-1.1.1m.orig/ssl/ssl_ciph.c +++ openssl-1.1.1m/ssl/ssl_ciph.c @@ -9,6 +9,8 @@ * https://www.openssl.org/source/license.html */ +/* for secure_getenv */ +#define _GNU_SOURCE #include <stdio.h> #include <ctype.h> #include <openssl/objects.h> @@ -1405,6 +1407,53 @@ int SSL_set_ciphersuites(SSL *s, const c return ret; } +#ifdef SYSTEM_CIPHERS_FILE +static char *load_system_str(const char *suffix) +{ + FILE *fp; + char buf[1024]; + char *new_rules; + const char *ciphers_path; + unsigned len, slen; + + if ((ciphers_path = secure_getenv("OPENSSL_SYSTEM_CIPHERS_OVERRIDE")) == NULL) + ciphers_path = SYSTEM_CIPHERS_FILE; + fp = fopen(ciphers_path, "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) *tls13_ciphersuites, STACK_OF(SSL_CIPHER) **cipher_list, @@ -1418,15 +1467,25 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_ 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 err; #ifndef OPENSSL_NO_EC if (!check_suiteb_cipher_list(ssl_method, c, &rule_str)) - return NULL; + goto err; #endif /* @@ -1449,7 +1508,7 @@ 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 err; } ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers, @@ -1515,8 +1574,7 @@ 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 err; } /* @@ -1561,9 +1619,8 @@ 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 err; } ssl_cipher_collect_aliases(ca_list, num_of_group_aliases, disabled_mkey, disabled_auth, disabled_enc, @@ -1596,8 +1653,7 @@ 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 err; } /* @@ -1605,10 +1661,13 @@ 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 err; } +#ifdef SYSTEM_CIPHERS_FILE + OPENSSL_free(new_rules); /* Not needed anymore */ +#endif + /* Add TLSv1.3 ciphers first - we always prefer those if possible */ for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) { if (!sk_SSL_CIPHER_push(cipherstack, @@ -1646,6 +1705,14 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_ *cipher_list = cipherstack; return cipherstack; + +err: + OPENSSL_free(co_list); +#ifdef SYSTEM_CIPHERS_FILE + OPENSSL_free(new_rules); +#endif + return NULL; + } char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) Index: openssl-1.1.1m/ssl/ssl_lib.c =================================================================== --- openssl-1.1.1m.orig/ssl/ssl_lib.c +++ openssl-1.1.1m/ssl/ssl_lib.c @@ -667,7 +667,7 @@ int SSL_CTX_set_ssl_version(SSL_CTX *ctx ctx->tls13_ciphersuites, &(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; @@ -3076,7 +3076,7 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *m if (!ssl_create_cipher_list(ret->method, ret->tls13_ciphersuites, &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; Index: openssl-1.1.1m/test/cipherlist_test.c =================================================================== --- openssl-1.1.1m.orig/test/cipherlist_test.c +++ openssl-1.1.1m/test/cipherlist_test.c @@ -251,7 +251,9 @@ end: int setup_tests(void) { +#ifndef SYSTEM_CIPHERS_FILE ADD_TEST(test_default_cipherlist_implicit); +#endif ADD_TEST(test_default_cipherlist_explicit); ADD_TEST(test_default_cipherlist_clear); return 1;
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