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openssl/openssl-1.0.2a-system-ciphe...

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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);
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