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Diffstat (limited to 'usr/src/common/openssl/ssl/ssl_ciph.c')
-rw-r--r--usr/src/common/openssl/ssl/ssl_ciph.c245
1 files changed, 157 insertions, 88 deletions
diff --git a/usr/src/common/openssl/ssl/ssl_ciph.c b/usr/src/common/openssl/ssl/ssl_ciph.c
index 448053b79a..2c60cc863c 100644
--- a/usr/src/common/openssl/ssl/ssl_ciph.c
+++ b/usr/src/common/openssl/ssl/ssl_ciph.c
@@ -55,16 +55,21 @@
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECC cipher suite support in OpenSSL originally developed by
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
/*
- * The portions of this code that are #ifdef SOLARIS_OPENSSL are
+ * The portions of this code that are #ifdef CRYPTO_UNLIMITED are
*
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
*/
-#pragma ident "%Z%%M% %I% %E% SMI"
+#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <openssl/objects.h>
@@ -86,6 +91,10 @@ static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]={
NULL,NULL,NULL,NULL,NULL,NULL,
};
+#define SSL_COMP_NULL_IDX 0
+#define SSL_COMP_ZLIB_IDX 1
+#define SSL_COMP_NUM_IDX 2
+
static STACK_OF(SSL_COMP) *ssl_comp_methods=NULL;
#define SSL_MD_MD5_IDX 0
@@ -111,18 +120,20 @@ typedef struct cipher_order_st
static const SSL_CIPHER cipher_aliases[]={
/* Don't include eNULL unless specifically enabled. */
- {0,SSL_TXT_ALL, 0,SSL_ALL & ~SSL_eNULL, SSL_ALL ,0,0,0,SSL_ALL,SSL_ALL}, /* must be first */
- {0,SSL_TXT_CMPALL,0,SSL_eNULL,0,0,0,0,SSL_ENC_MASK,0}, /* COMPLEMENT OF ALL */
+ /* Don't include ECC in ALL because these ciphers are not yet official. */
+ {0,SSL_TXT_ALL, 0,SSL_ALL & ~SSL_eNULL & ~SSL_kECDH & ~SSL_kECDHE, SSL_ALL ,0,0,0,SSL_ALL,SSL_ALL}, /* must be first */
+ /* TODO: COMPLEMENT OF ALL and COMPLEMENT OF DEFAULT do not have ECC cipher suites handled properly. */
+ {0,SSL_TXT_CMPALL,0,SSL_eNULL,0,0,0,0,SSL_ENC_MASK,0}, /* COMPLEMENT OF ALL */
{0,SSL_TXT_CMPDEF,0,SSL_ADH, 0,0,0,0,SSL_AUTH_MASK,0},
- {0,SSL_TXT_kKRB5,0,SSL_kKRB5,0,0,0,0,SSL_MKEY_MASK,0}, /* VRS Kerberos5 */
+ {0,SSL_TXT_kKRB5,0,SSL_kKRB5,0,0,0,0,SSL_MKEY_MASK,0}, /* VRS Kerberos5 */
{0,SSL_TXT_kRSA,0,SSL_kRSA, 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_kDHr,0,SSL_kDHr, 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_kDHd,0,SSL_kDHd, 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_kEDH,0,SSL_kEDH, 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_kFZA,0,SSL_kFZA, 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_DH, 0,SSL_DH, 0,0,0,0,SSL_MKEY_MASK,0},
+ {0,SSL_TXT_ECC, 0,(SSL_kECDH|SSL_kECDHE), 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_EDH, 0,SSL_EDH, 0,0,0,0,SSL_MKEY_MASK|SSL_AUTH_MASK,0},
-
{0,SSL_TXT_aKRB5,0,SSL_aKRB5,0,0,0,0,SSL_AUTH_MASK,0}, /* VRS Kerberos5 */
{0,SSL_TXT_aRSA,0,SSL_aRSA, 0,0,0,0,SSL_AUTH_MASK,0},
{0,SSL_TXT_aDSS,0,SSL_aDSS, 0,0,0,0,SSL_AUTH_MASK,0},
@@ -165,11 +176,8 @@ static const SSL_CIPHER cipher_aliases[]={
{0,SSL_TXT_HIGH, 0, 0, SSL_HIGH, 0,0,0,0,SSL_STRONG_MASK},
};
-static int init_ciphers=1;
-
-static void load_ciphers(void)
+void ssl_load_ciphers(void)
{
- init_ciphers=0;
ssl_cipher_methods[SSL_ENC_DES_IDX]=
EVP_get_cipherbyname(SN_des_cbc);
ssl_cipher_methods[SSL_ENC_3DES_IDX]=
@@ -196,7 +204,51 @@ static void load_ciphers(void)
EVP_get_digestbyname(SN_sha1);
}
-int ssl_cipher_get_evp(SSL_SESSION *s, const EVP_CIPHER **enc,
+
+#ifndef OPENSSL_NO_COMP
+
+static int sk_comp_cmp(const SSL_COMP * const *a,
+ const SSL_COMP * const *b)
+ {
+ return((*a)->id-(*b)->id);
+ }
+
+static void load_builtin_compressions(void)
+ {
+ if (ssl_comp_methods != NULL)
+ return;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_SSL);
+ if (ssl_comp_methods == NULL)
+ {
+ SSL_COMP *comp = NULL;
+
+ MemCheck_off();
+ ssl_comp_methods=sk_SSL_COMP_new(sk_comp_cmp);
+ if (ssl_comp_methods != NULL)
+ {
+ comp=(SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP));
+ if (comp != NULL)
+ {
+ comp->method=COMP_zlib();
+ if (comp->method
+ && comp->method->type == NID_undef)
+ OPENSSL_free(comp);
+ else
+ {
+ comp->id=SSL_COMP_ZLIB_IDX;
+ comp->name=comp->method->name;
+ sk_SSL_COMP_push(ssl_comp_methods,comp);
+ }
+ }
+ }
+ MemCheck_on();
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
+ }
+#endif
+
+int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
const EVP_MD **md, SSL_COMP **comp)
{
int i;
@@ -207,18 +259,14 @@ int ssl_cipher_get_evp(SSL_SESSION *s, const EVP_CIPHER **enc,
if (comp != NULL)
{
SSL_COMP ctmp;
+#ifndef OPENSSL_NO_COMP
+ load_builtin_compressions();
+#endif
- if (s->compress_meth == 0)
- *comp=NULL;
- else if (ssl_comp_methods == NULL)
- {
- /* bad */
- *comp=NULL;
- }
- else
+ *comp=NULL;
+ ctmp.id=s->compress_meth;
+ if (ssl_comp_methods != NULL)
{
-
- ctmp.id=s->compress_meth;
i=sk_SSL_COMP_find(ssl_comp_methods,&ctmp);
if (i >= 0)
*comp=sk_SSL_COMP_value(ssl_comp_methods,i);
@@ -331,7 +379,9 @@ static unsigned long ssl_cipher_get_disabled(void)
#ifdef OPENSSL_NO_KRB5
mask |= SSL_kKRB5|SSL_aKRB5;
#endif
-
+#ifdef OPENSSL_NO_ECDH
+ mask |= SSL_kECDH|SSL_kECDHE;
+#endif
#ifdef SSL_FORBID_ENULL
mask |= SSL_eNULL;
#endif
@@ -704,9 +754,18 @@ static int ssl_cipher_process_rulestr(const char *rule_str,
if (!found)
break; /* ignore this entry */
- algorithms |= ca_list[j]->algorithms;
+ /* New algorithms:
+ * 1 - any old restrictions apply outside new mask
+ * 2 - any new restrictions apply outside old mask
+ * 3 - enforce old & new where masks intersect
+ */
+ algorithms = (algorithms & ~ca_list[j]->mask) | /* 1 */
+ (ca_list[j]->algorithms & ~mask) | /* 2 */
+ (algorithms & ca_list[j]->algorithms); /* 3 */
mask |= ca_list[j]->mask;
- algo_strength |= ca_list[j]->algo_strength;
+ algo_strength = (algo_strength & ~ca_list[j]->mask_strength) |
+ (ca_list[j]->algo_strength & ~mask_strength) |
+ (algo_strength & ca_list[j]->algo_strength);
mask_strength |= ca_list[j]->mask_strength;
if (!multi) break;
@@ -760,7 +819,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,
{
int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases;
unsigned long disabled_mask;
- STACK_OF(SSL_CIPHER) *cipherstack;
+ STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list;
const char *rule_p;
CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr;
SSL_CIPHER **ca_list = NULL;
@@ -768,14 +827,8 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,
/*
* Return with error if nothing to do.
*/
- if (rule_str == NULL) return(NULL);
-
- if (init_ciphers)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_SSL);
- if (init_ciphers) load_ciphers();
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
- }
+ if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL)
+ return NULL;
/*
* To reduce the work to do we only want to process the compiled
@@ -875,46 +928,18 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,
}
OPENSSL_free(co_list); /* Not needed any longer */
- /*
- * The following passage is a little bit odd. If pointer variables
- * were supplied to hold STACK_OF(SSL_CIPHER) return information,
- * the old memory pointed to is free()ed. Then, however, the
- * cipher_list entry will be assigned just a copy of the returned
- * cipher stack. For cipher_list_by_id a copy of the cipher stack
- * will be created. See next comment...
- */
- if (cipher_list != NULL)
- {
- if (*cipher_list != NULL)
- sk_SSL_CIPHER_free(*cipher_list);
- *cipher_list = cipherstack;
- }
-
- if (cipher_list_by_id != NULL)
- {
- if (*cipher_list_by_id != NULL)
- sk_SSL_CIPHER_free(*cipher_list_by_id);
- *cipher_list_by_id = sk_SSL_CIPHER_dup(cipherstack);
- }
-
- /*
- * Now it is getting really strange. If something failed during
- * the previous pointer assignment or if one of the pointers was
- * not requested, the error condition is met. That might be
- * discussable. The strange thing is however that in this case
- * the memory "ret" pointed to is "free()ed" and hence the pointer
- * cipher_list becomes wild. The memory reserved for
- * cipher_list_by_id however is not "free()ed" and stays intact.
- */
- if ( (cipher_list_by_id == NULL) ||
- (*cipher_list_by_id == NULL) ||
- (cipher_list == NULL) ||
- (*cipher_list == NULL))
+ tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack);
+ if (tmp_cipher_list == NULL)
{
sk_SSL_CIPHER_free(cipherstack);
- return(NULL);
+ return NULL;
}
-
+ if (*cipher_list != NULL)
+ sk_SSL_CIPHER_free(*cipher_list);
+ *cipher_list = cipherstack;
+ if (*cipher_list_by_id != NULL)
+ sk_SSL_CIPHER_free(*cipher_list_by_id);
+ *cipher_list_by_id = tmp_cipher_list;
sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id,ssl_cipher_ptr_id_cmp);
return(cipherstack);
@@ -923,13 +948,13 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,
char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int len)
{
int is_export,pkl,kl;
- char *ver,*exp_str;
- char *kx,*au,*enc,*mac;
+ const char *ver,*exp_str;
+ const char *kx,*au,*enc,*mac;
unsigned long alg,alg2,alg_s;
#ifdef KSSL_DEBUG
- static char *format="%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s AL=%lx\n";
+ static const char *format="%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s AL=%lx\n";
#else
- static char *format="%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n";
+ static const char *format="%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n";
#endif /* KSSL_DEBUG */
alg=cipher->algorithms;
@@ -940,7 +965,7 @@ char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int len)
pkl=SSL_C_EXPORT_PKEYLENGTH(cipher);
kl=SSL_C_EXPORT_KEYLENGTH(cipher);
exp_str=is_export?" export":"";
-
+
if (alg & SSL_SSLV2)
ver="SSLv2";
else if (alg & SSL_SSLV3)
@@ -969,6 +994,10 @@ char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int len)
case SSL_kEDH:
kx=is_export?(pkl == 512 ? "DH(512)" : "DH(1024)"):"DH";
break;
+ case SSL_kECDH:
+ case SSL_kECDHE:
+ kx=is_export?"ECDH(<=163)":"ECDH";
+ break;
default:
kx="unknown";
}
@@ -992,6 +1021,9 @@ char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int len)
case SSL_aNULL:
au="None";
break;
+ case SSL_aECDSA:
+ au="ECDSA";
+ break;
default:
au="unknown";
break;
@@ -1065,7 +1097,7 @@ char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int len)
return(buf);
}
-char *SSL_CIPHER_get_version(SSL_CIPHER *c)
+char *SSL_CIPHER_get_version(const SSL_CIPHER *c)
{
int i;
@@ -1080,7 +1112,7 @@ char *SSL_CIPHER_get_version(SSL_CIPHER *c)
}
/* return the actual cipher being used */
-const char *SSL_CIPHER_get_name(SSL_CIPHER *c)
+const char *SSL_CIPHER_get_name(const SSL_CIPHER *c)
{
if (c != NULL)
return(c->name);
@@ -1088,7 +1120,7 @@ const char *SSL_CIPHER_get_name(SSL_CIPHER *c)
}
/* number of bits for symmetric cipher */
-int SSL_CIPHER_get_bits(SSL_CIPHER *c, int *alg_bits)
+int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits)
{
int ret=0;
@@ -1116,35 +1148,63 @@ SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n)
return(NULL);
}
-static int sk_comp_cmp(const SSL_COMP * const *a,
- const SSL_COMP * const *b)
+#ifdef OPENSSL_NO_COMP
+void *SSL_COMP_get_compression_methods(void)
{
- return((*a)->id-(*b)->id);
+ return NULL;
+ }
+int SSL_COMP_add_compression_method(int id, void *cm)
+ {
+ return 1;
}
+const char *SSL_COMP_get_name(const void *comp)
+ {
+ return NULL;
+ }
+#else
STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void)
{
+ load_builtin_compressions();
return(ssl_comp_methods);
}
int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm)
{
SSL_COMP *comp;
- STACK_OF(SSL_COMP) *sk;
if (cm == NULL || cm->type == NID_undef)
return 1;
+ /* According to draft-ietf-tls-compression-04.txt, the
+ compression number ranges should be the following:
+
+ 0 to 63: methods defined by the IETF
+ 64 to 192: external party methods assigned by IANA
+ 193 to 255: reserved for private use */
+ if (id < 193 || id > 255)
+ {
+ SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE);
+ return 0;
+ }
+
MemCheck_off();
comp=(SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP));
comp->id=id;
comp->method=cm;
- if (ssl_comp_methods == NULL)
- sk=ssl_comp_methods=sk_SSL_COMP_new(sk_comp_cmp);
- else
- sk=ssl_comp_methods;
- if ((sk == NULL) || !sk_SSL_COMP_push(sk,comp))
+ load_builtin_compressions();
+ if (ssl_comp_methods
+ && !sk_SSL_COMP_find(ssl_comp_methods,comp))
+ {
+ OPENSSL_free(comp);
+ MemCheck_on();
+ SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,SSL_R_DUPLICATE_COMPRESSION_ID);
+ return(1);
+ }
+ else if ((ssl_comp_methods == NULL)
+ || !sk_SSL_COMP_push(ssl_comp_methods,comp))
{
+ OPENSSL_free(comp);
MemCheck_on();
SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,ERR_R_MALLOC_FAILURE);
return(1);
@@ -1155,3 +1215,12 @@ int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm)
return(0);
}
}
+
+const char *SSL_COMP_get_name(const COMP_METHOD *comp)
+ {
+ if (comp)
+ return comp->name;
+ return NULL;
+ }
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-27 13:55:09 +0000