#include <stdio.h>
#include <openssl/objects.h>
+#ifndef OPENSSL_NO_COMP
#include <openssl/comp.h>
+#endif
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
#include "ssl_locl.h"
#define SSL_ENC_DES_IDX 0
#define SSL_ENC_AES256_IDX 7
#define SSL_ENC_CAMELLIA128_IDX 8
#define SSL_ENC_CAMELLIA256_IDX 9
-#define SSL_ENC_NUM_IDX 10
+#define SSL_ENC_GOST89_IDX 10
+#define SSL_ENC_SEED_IDX 11
+#define SSL_ENC_NUM_IDX 12
static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]={
- NULL,NULL,NULL,NULL,NULL,NULL,
+ NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
};
#define SSL_COMP_NULL_IDX 0
#define SSL_MD_MD5_IDX 0
#define SSL_MD_SHA1_IDX 1
-#define SSL_MD_NUM_IDX 2
+#define SSL_MD_GOST94_IDX 2
+#define SSL_MD_GOST89MAC_IDX 3
+#define SSL_MD_SHA256_IDX 4
+/*Constant SSL_MAX_DIGEST equal to size of digests array should be
+ * defined in the
+ * ssl_locl.h */
+#define SSL_MD_NUM_IDX SSL_MAX_DIGEST
static const EVP_MD *ssl_digest_methods[SSL_MD_NUM_IDX]={
- NULL,NULL,
+ NULL,NULL,NULL,NULL,NULL
+ };
+/* PKEY_TYPE for GOST89MAC is known in advance, but, because
+ * implementation is engine-provided, we'll fill it only if
+ * corresponding EVP_PKEY_METHOD is found
+ */
+static int ssl_mac_pkey_id[SSL_MD_NUM_IDX]={
+ EVP_PKEY_HMAC,EVP_PKEY_HMAC,EVP_PKEY_HMAC,NID_undef,EVP_PKEY_HMAC
+ };
+
+static int ssl_mac_secret_size[SSL_MD_NUM_IDX]={
+ 0,0,0,0,0
+ };
+
+static int ssl_handshake_digest_flag[SSL_MD_NUM_IDX]={
+ SSL_HANDSHAKE_MAC_MD5,SSL_HANDSHAKE_MAC_SHA,
+ SSL_HANDSHAKE_MAC_GOST94, 0, SSL_HANDSHAKE_MAC_SHA256
};
#define CIPHER_ADD 1
typedef struct cipher_order_st
{
- SSL_CIPHER *cipher;
+ const SSL_CIPHER *cipher;
int active;
int dead;
struct cipher_order_st *next,*prev;
{0,SSL_TXT_ECDH,0, SSL_kECDHr|SSL_kECDHe|SSL_kEECDH,0,0,0,0,0,0,0,0},
{0,SSL_TXT_kPSK,0, SSL_kPSK, 0,0,0,0,0,0,0,0},
-
+ {0,SSL_TXT_kSRP,0, SSL_kSRP, 0,0,0,0,0,0,0,0},
+ {0,SSL_TXT_kGOST,0, SSL_kGOST,0,0,0,0,0,0,0,0},
/* server authentication aliases */
{0,SSL_TXT_aRSA,0, 0,SSL_aRSA, 0,0,0,0,0,0,0},
{0,SSL_TXT_aECDSA,0, 0,SSL_aECDSA,0,0,0,0,0,0,0},
{0,SSL_TXT_ECDSA,0, 0,SSL_aECDSA, 0,0,0,0,0,0,0},
{0,SSL_TXT_aPSK,0, 0,SSL_aPSK, 0,0,0,0,0,0,0},
-
+ {0,SSL_TXT_aGOST94,0,0,SSL_aGOST94,0,0,0,0,0,0,0},
+ {0,SSL_TXT_aGOST01,0,0,SSL_aGOST01,0,0,0,0,0,0,0},
+ {0,SSL_TXT_aGOST,0,0,SSL_aGOST94|SSL_aGOST01,0,0,0,0,0,0,0},
/* aliases combining key exchange and server authentication */
{0,SSL_TXT_EDH,0, SSL_kEDH,~SSL_aNULL,0,0,0,0,0,0,0},
{0,SSL_TXT_ADH,0, SSL_kEDH,SSL_aNULL,0,0,0,0,0,0,0},
{0,SSL_TXT_AECDH,0, SSL_kEECDH,SSL_aNULL,0,0,0,0,0,0,0},
{0,SSL_TXT_PSK,0, SSL_kPSK,SSL_aPSK,0,0,0,0,0,0,0},
+ {0,SSL_TXT_SRP,0, SSL_kSRP,0,0,0,0,0,0,0,0},
/* symmetric encryption aliases */
{0,SSL_TXT_RC4,0, 0,0,SSL_RC4, 0,0,0,0,0,0},
{0,SSL_TXT_RC2,0, 0,0,SSL_RC2, 0,0,0,0,0,0},
{0,SSL_TXT_IDEA,0, 0,0,SSL_IDEA, 0,0,0,0,0,0},
+ {0,SSL_TXT_SEED,0, 0,0,SSL_SEED, 0,0,0,0,0,0},
{0,SSL_TXT_eNULL,0, 0,0,SSL_eNULL, 0,0,0,0,0,0},
{0,SSL_TXT_AES128,0, 0,0,SSL_AES128,0,0,0,0,0,0},
{0,SSL_TXT_AES256,0, 0,0,SSL_AES256,0,0,0,0,0,0},
{0,SSL_TXT_MD5,0, 0,0,0,SSL_MD5, 0,0,0,0,0},
{0,SSL_TXT_SHA1,0, 0,0,0,SSL_SHA1, 0,0,0,0,0},
{0,SSL_TXT_SHA,0, 0,0,0,SSL_SHA1, 0,0,0,0,0},
+ {0,SSL_TXT_GOST94,0, 0,0,0,SSL_GOST94, 0,0,0,0,0},
+ {0,SSL_TXT_GOST89MAC,0, 0,0,0,SSL_GOST89MAC, 0,0,0,0,0},
+ {0,SSL_TXT_SHA256,0, 0,0,0,SSL_SHA256, 0,0,0,0,0},
/* protocol version aliases */
{0,SSL_TXT_SSLV2,0, 0,0,0,0,SSL_SSLV2, 0,0,0,0},
{0,SSL_TXT_LOW,0, 0,0,0,0,0,SSL_LOW, 0,0,0},
{0,SSL_TXT_MEDIUM,0, 0,0,0,0,0,SSL_MEDIUM,0,0,0},
{0,SSL_TXT_HIGH,0, 0,0,0,0,0,SSL_HIGH, 0,0,0},
+ /* FIPS 140-2 approved ciphersuite */
+ {0,SSL_TXT_FIPS,0, 0,0,~SSL_eNULL,0,0,SSL_FIPS, 0,0,0},
};
+/* Search for public key algorithm with given name and
+ * return its pkey_id if it is available. Otherwise return 0
+ */
+#ifdef OPENSSL_NO_ENGINE
+
+static int get_optional_pkey_id(const char *pkey_name)
+ {
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ int pkey_id=0;
+ ameth = EVP_PKEY_asn1_find_str(NULL,pkey_name,-1);
+ if (ameth)
+ {
+ EVP_PKEY_asn1_get0_info(&pkey_id, NULL,NULL,NULL,NULL,ameth);
+ }
+ return pkey_id;
+ }
+
+#else
+
+static int get_optional_pkey_id(const char *pkey_name)
+ {
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ ENGINE *tmpeng = NULL;
+ int pkey_id=0;
+ ameth = EVP_PKEY_asn1_find_str(&tmpeng,pkey_name,-1);
+ if (ameth)
+ {
+ EVP_PKEY_asn1_get0_info(&pkey_id, NULL,NULL,NULL,NULL,ameth);
+ }
+ if (tmpeng) ENGINE_finish(tmpeng);
+ return pkey_id;
+ }
+
+#endif
void ssl_load_ciphers(void)
{
EVP_get_cipherbyname(SN_camellia_128_cbc);
ssl_cipher_methods[SSL_ENC_CAMELLIA256_IDX]=
EVP_get_cipherbyname(SN_camellia_256_cbc);
+ ssl_cipher_methods[SSL_ENC_GOST89_IDX]=
+ EVP_get_cipherbyname(SN_gost89_cnt);
+ ssl_cipher_methods[SSL_ENC_SEED_IDX]=
+ EVP_get_cipherbyname(SN_seed_cbc);
ssl_digest_methods[SSL_MD_MD5_IDX]=
EVP_get_digestbyname(SN_md5);
+ ssl_mac_secret_size[SSL_MD_MD5_IDX]=
+ EVP_MD_size(ssl_digest_methods[SSL_MD_MD5_IDX]);
+ OPENSSL_assert(ssl_mac_secret_size[SSL_MD_MD5_IDX] >= 0);
ssl_digest_methods[SSL_MD_SHA1_IDX]=
EVP_get_digestbyname(SN_sha1);
+ ssl_mac_secret_size[SSL_MD_SHA1_IDX]=
+ EVP_MD_size(ssl_digest_methods[SSL_MD_SHA1_IDX]);
+ OPENSSL_assert(ssl_mac_secret_size[SSL_MD_SHA1_IDX] >= 0);
+ ssl_digest_methods[SSL_MD_GOST94_IDX]=
+ EVP_get_digestbyname(SN_id_GostR3411_94);
+ if (ssl_digest_methods[SSL_MD_GOST94_IDX])
+ {
+ ssl_mac_secret_size[SSL_MD_GOST94_IDX]=
+ EVP_MD_size(ssl_digest_methods[SSL_MD_GOST94_IDX]);
+ OPENSSL_assert(ssl_mac_secret_size[SSL_MD_GOST94_IDX] >= 0);
+ }
+ ssl_digest_methods[SSL_MD_GOST89MAC_IDX]=
+ EVP_get_digestbyname(SN_id_Gost28147_89_MAC);
+ ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX] = get_optional_pkey_id("gost-mac");
+ if (ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX]) {
+ ssl_mac_secret_size[SSL_MD_GOST89MAC_IDX]=32;
+ }
+
+ ssl_digest_methods[SSL_MD_SHA256_IDX]=
+ EVP_get_digestbyname(SN_sha256);
+ ssl_mac_secret_size[SSL_MD_SHA256_IDX]=
+ EVP_MD_size(ssl_digest_methods[SSL_MD_SHA256_IDX]);
}
-
-
#ifndef OPENSSL_NO_COMP
static int sk_comp_cmp(const SSL_COMP * const *a,
#endif
int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
- const EVP_MD **md, SSL_COMP **comp)
+ const EVP_MD **md, int *mac_pkey_type, int *mac_secret_size,SSL_COMP **comp)
{
int i;
- SSL_CIPHER *c;
+ const SSL_CIPHER *c;
c=s->cipher;
if (c == NULL) return(0);
case SSL_CAMELLIA256:
i=SSL_ENC_CAMELLIA256_IDX;
break;
+ case SSL_eGOST2814789CNT:
+ i=SSL_ENC_GOST89_IDX;
+ break;
+ case SSL_SEED:
+ i=SSL_ENC_SEED_IDX;
+ break;
default:
i= -1;
break;
case SSL_SHA1:
i=SSL_MD_SHA1_IDX;
break;
+ case SSL_SHA256:
+ i=SSL_MD_SHA256_IDX;
+ break;
+ case SSL_GOST94:
+ i = SSL_MD_GOST94_IDX;
+ break;
+ case SSL_GOST89MAC:
+ i = SSL_MD_GOST89MAC_IDX;
+ break;
default:
i= -1;
break;
}
if ((i < 0) || (i > SSL_MD_NUM_IDX))
- *md=NULL;
+ {
+ *md=NULL;
+ if (mac_pkey_type!=NULL) *mac_pkey_type = NID_undef;
+ if (mac_secret_size!=NULL) *mac_secret_size = 0;
+
+ }
else
+ {
*md=ssl_digest_methods[i];
+ if (mac_pkey_type!=NULL) *mac_pkey_type = ssl_mac_pkey_id[i];
+ if (mac_secret_size!=NULL) *mac_secret_size = ssl_mac_secret_size[i];
+ }
- if ((*enc != NULL) && (*md != NULL))
+ if ((*enc != NULL) && (*md != NULL) && (!mac_pkey_type||*mac_pkey_type != NID_undef))
return(1);
else
return(0);
}
+int ssl_get_handshake_digest(int idx, long *mask, const EVP_MD **md)
+{
+ if (idx <0||idx>=SSL_MD_NUM_IDX)
+ {
+ return 0;
+ }
+ *mask = ssl_handshake_digest_flag[idx];
+ if (*mask)
+ *md = ssl_digest_methods[idx];
+ else
+ *md = NULL;
+ return 1;
+}
+
#define ITEM_SEP(a) \
(((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ','))
*mkey |= SSL_kPSK;
*auth |= SSL_aPSK;
#endif
+#ifdef OPENSSL_NO_SRP
+ *mkey |= SSL_kSRP;
+#endif
+ /* Check for presence of GOST 34.10 algorithms, and if they
+ * do not present, disable appropriate auth and key exchange */
+ if (!get_optional_pkey_id("gost94")) {
+ *auth |= SSL_aGOST94;
+ }
+ if (!get_optional_pkey_id("gost2001")) {
+ *auth |= SSL_aGOST01;
+ }
+ /* Disable GOST key exchange if no GOST signature algs are available * */
+ if ((*auth & (SSL_aGOST94|SSL_aGOST01)) == (SSL_aGOST94|SSL_aGOST01)) {
+ *mkey |= SSL_kGOST;
+ }
#ifdef SSL_FORBID_ENULL
*enc |= SSL_eNULL;
#endif
+
+
*enc |= (ssl_cipher_methods[SSL_ENC_DES_IDX ] == NULL) ? SSL_DES :0;
*enc |= (ssl_cipher_methods[SSL_ENC_3DES_IDX] == NULL) ? SSL_3DES:0;
*enc |= (ssl_cipher_methods[SSL_ENC_AES256_IDX] == NULL) ? SSL_AES256:0;
*enc |= (ssl_cipher_methods[SSL_ENC_CAMELLIA128_IDX] == NULL) ? SSL_CAMELLIA128:0;
*enc |= (ssl_cipher_methods[SSL_ENC_CAMELLIA256_IDX] == NULL) ? SSL_CAMELLIA256:0;
+ *enc |= (ssl_cipher_methods[SSL_ENC_GOST89_IDX] == NULL) ? SSL_eGOST2814789CNT:0;
+ *enc |= (ssl_cipher_methods[SSL_ENC_SEED_IDX] == NULL) ? SSL_SEED:0;
*mac |= (ssl_digest_methods[SSL_MD_MD5_IDX ] == NULL) ? SSL_MD5 :0;
*mac |= (ssl_digest_methods[SSL_MD_SHA1_IDX] == NULL) ? SSL_SHA1:0;
+ *mac |= (ssl_digest_methods[SSL_MD_SHA256_IDX] == NULL) ? SSL_SHA256:0;
+ *mac |= (ssl_digest_methods[SSL_MD_GOST94_IDX] == NULL) ? SSL_GOST94:0;
+ *mac |= (ssl_digest_methods[SSL_MD_GOST89MAC_IDX] == NULL || ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX]==NID_undef)? SSL_GOST89MAC:0;
+
}
static void ssl_cipher_collect_ciphers(const SSL_METHOD *ssl_method,
CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p)
{
int i, co_list_num;
- SSL_CIPHER *c;
+ const SSL_CIPHER *c;
/*
* We have num_of_ciphers descriptions compiled in, depending on the
}
}
-static void ssl_cipher_collect_aliases(SSL_CIPHER **ca_list,
+static void ssl_cipher_collect_aliases(const SSL_CIPHER **ca_list,
int num_of_group_aliases,
unsigned long disabled_mkey, unsigned long disabled_auth,
unsigned long disabled_enc, unsigned long disabled_mac,
CIPHER_ORDER *head)
{
CIPHER_ORDER *ciph_curr;
- SSL_CIPHER **ca_curr;
+ const SSL_CIPHER **ca_curr;
int i;
unsigned long mask_mkey = ~disabled_mkey;
unsigned long mask_auth = ~disabled_auth;
CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p)
{
CIPHER_ORDER *head, *tail, *curr, *curr2, *last;
- SSL_CIPHER *cp;
+ const SSL_CIPHER *cp;
int reverse = 0;
#ifdef CIPHER_DEBUG
static int ssl_cipher_process_rulestr(const char *rule_str,
CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p,
- SSL_CIPHER **ca_list)
+ const SSL_CIPHER **ca_list)
{
unsigned long alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, algo_strength;
- const char *l, *start, *buf;
+ const char *l, *buf;
int j, multi, found, rule, retval, ok, buflen;
unsigned long cipher_id = 0;
char ch;
alg_ssl = 0;
algo_strength = 0;
- start=l;
for (;;)
{
ch = *l;
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;
+ const SSL_CIPHER **ca_list = NULL;
/*
* Return with error if nothing to do.
ssl_cipher_apply_rule(0, SSL_kEECDH, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
ssl_cipher_apply_rule(0, SSL_kEECDH, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail);
- /* Temporarily enable AES first (preferred cipher) */
+ /* AES is our preferred symmetric cipher */
ssl_cipher_apply_rule(0, 0, 0, SSL_AES, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
- /* Temporarily enable everything else */
+ /* Temporarily enable everything else for sorting */
ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
+ /* Low priority for MD5 */
+ ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5, 0, 0, CIPHER_ORD, -1, &head, &tail);
+
/* Move anonymous ciphers to the end. Usually, these will remain disabled.
* (For applications that allow them, they aren't too bad, but we prefer
* authenticated ciphers.) */
/* ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); */
ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail);
ssl_cipher_apply_rule(0, SSL_kPSK, 0,0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail);
+ ssl_cipher_apply_rule(0, SSL_kKRB5, 0,0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail);
/* RC4 is sort-of broken -- move the the end */
ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head, &tail);
*/
num_of_group_aliases = sizeof(cipher_aliases) / sizeof(SSL_CIPHER);
num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1;
- ca_list =
- (SSL_CIPHER **)OPENSSL_malloc(sizeof(SSL_CIPHER *) * num_of_alias_max);
+ ca_list = OPENSSL_malloc(sizeof(SSL_CIPHER *) * num_of_alias_max);
if (ca_list == NULL)
{
OPENSSL_free(co_list);
return(NULL); /* Failure */
}
ssl_cipher_collect_aliases(ca_list, num_of_group_aliases,
- disabled_mkey, disabled_auth, disabled_enc, disabled_mac, disabled_ssl,
- head);
+ disabled_mkey, disabled_auth, disabled_enc,
+ disabled_mac, disabled_ssl, head);
/*
* If the rule_string begins with DEFAULT, apply the default rule
if (ok && (strlen(rule_p) > 0))
ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list);
- OPENSSL_free(ca_list); /* Not needed anymore */
+ OPENSSL_free((void *)ca_list); /* Not needed anymore */
if (!ok)
{ /* Rule processing failure */
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);
+ (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id,ssl_cipher_ptr_id_cmp);
+ sk_SSL_CIPHER_sort(*cipher_list_by_id);
return(cipherstack);
}
-char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int len)
+char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len)
{
int is_export,pkl,kl;
const char *ver,*exp_str;
const char *kx,*au,*enc,*mac;
- unsigned long alg_mkey,alg_auth,alg_enc,alg_mac,alg_ssl,alg2,alg_s;
+ unsigned long alg_mkey,alg_auth,alg_enc,alg_mac,alg_ssl,alg2;
#ifdef KSSL_DEBUG
static const char *format="%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s AL=%lx/%lx/%lx/%lx/%lx\n";
#else
alg_mac = cipher->algorithm_mac;
alg_ssl = cipher->algorithm_ssl;
- alg_s=cipher->algo_strength;
alg2=cipher->algorithm2;
is_export=SSL_C_IS_EXPORT(cipher);
case SSL_kPSK:
kx="PSK";
break;
+ case SSL_kSRP:
+ kx="SRP";
+ break;
default:
kx="unknown";
}
case SSL_CAMELLIA256:
enc="Camellia(256)";
break;
+ case SSL_SEED:
+ enc="SEED(128)";
+ break;
default:
enc="unknown";
break;
case SSL_SHA1:
mac="SHA1";
break;
+ case SSL_SHA256:
+ mac="SHA256";
+ break;
default:
mac="unknown";
break;
return(ret);
}
+unsigned long SSL_CIPHER_get_id(const SSL_CIPHER *c)
+ {
+ return c->id;
+ }
+
SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n)
{
SSL_COMP *ctmp;
comp->method=cm;
load_builtin_compressions();
if (ssl_comp_methods
- && !sk_SSL_COMP_find(ssl_comp_methods,comp))
+ && sk_SSL_COMP_find(ssl_comp_methods,comp) >= 0)
{
OPENSSL_free(comp);
MemCheck_on();
projects / openssl.git / blobdiff