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Mayaqua: query OpenSSL for the list of available ciphers instead of relying on a static list

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This commit is contained in:
Davide Beatrici 2018-12-21 09:54:51 +01:00
parent 3c3aa900b6
commit 7f9d47b3aa
3 changed files with 64 additions and 13 deletions
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2
src/Cedar/Command.c
View File

@ -8850,6 +8850,8 @@ UINT PsServerCipherGet(CONSOLE *c, char *cmd_name, wchar_t *str, void *param)
c->Write(c, tmp);
}
FreeToken(ciphers);
FreeRpcStr(&t);
FreeParamValueList(o);

1
src/Cedar/SM.c
View File

@ -17029,6 +17029,7 @@ void SmSslDlgInit(HWND hWnd, SM_SSL *s)
StrToUni(tmp, sizeof(tmp), name);
CbAddStr(hWnd, C_CIPHER, tmp, 0);
}
FreeToken(cipher_list);
if (s->p != NULL)
{

74
src/Mayaqua/Network.c
View File

@ -205,7 +205,6 @@ static LOCK *socket_library_lock = NULL;
extern LOCK *openssl_lock;
static LOCK *ssl_accept_lock = NULL;
static LOCK *ssl_connect_lock = NULL;
static TOKEN_LIST *cipher_list_token = NULL;
static COUNTER *num_tcp_connections = NULL;
static LOCK *dns_lock = NULL;
static LOCK *unix_dns_server_addr_lock = NULL;
@ -233,12 +232,6 @@ static COUNTER *getip_thread_counter = NULL;
static UINT max_getip_thread = 0;
static char *cipher_list = "RC4-MD5 RC4-SHA AES128-SHA AES256-SHA DES-CBC-SHA DES-CBC3-SHA DHE-RSA-AES128-SHA DHE-RSA-AES256-SHA AES128-GCM-SHA256 AES128-SHA256 AES256-GCM-SHA384 AES256-SHA256 DHE-RSA-AES128-GCM-SHA256 DHE-RSA-AES128-SHA256 DHE-RSA-AES256-GCM-SHA384 DHE-RSA-AES256-SHA256 ECDHE-RSA-AES128-GCM-SHA256 ECDHE-RSA-AES128-SHA256 ECDHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-AES256-SHA384"
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
" DHE-RSA-CHACHA20-POLY1305 ECDHE-RSA-CHACHA20-POLY1305";
#endif
;
static LIST *ip_clients = NULL;
static LIST *local_mac_list = NULL;
@ -16532,8 +16525,6 @@ void InitNetwork()
Zero(&unix_dns_server, sizeof(unix_dns_server));
local_mac_list_lock = NewLock();
cipher_list_token = ParseToken(cipher_list, " ");
current_global_ip_lock = NewLock();
current_fqdn_lock = NewLock();
current_global_ip_set = false;
@ -16566,7 +16557,67 @@ bool IsNetworkNameCacheEnabled()
// Get the cipher algorithm list
TOKEN_LIST *GetCipherList()
{
return cipher_list_token;
UINT i;
SSL *ssl;
SSL_CTX *ctx;
const char *name;
STACK_OF(SSL_CIPHER) *sk;
TOKEN_LIST *ciphers = ZeroMalloc(sizeof(TOKEN_LIST));
ctx = NewSSLCtx(true);
if (ctx == NULL)
{
return ciphers;
}
SSL_CTX_set_ssl_version(ctx, SSLv23_server_method());
#ifdef SSL_OP_NO_SSLv3
SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3);
#endif
ssl = SSL_new(ctx);
if (ssl == NULL)
{
FreeSSLCtx(ctx);
return ciphers;
}
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
sk = SSL_get1_supported_ciphers(ssl);
#else
sk = SSL_get_ciphers(ssl);
#endif
for (i = 0; i < sk_SSL_CIPHER_num(sk); i++)
{
const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
name = SSL_CIPHER_get_name(c);
if (IsEmptyStr(name))
{
break;
}
ciphers->NumTokens++;
if (ciphers->Token != NULL) {
ciphers->Token = ReAlloc(ciphers->Token, sizeof(char *) * ciphers->NumTokens);
}
else
{
ciphers->Token = Malloc(sizeof(char *));
}
ciphers->Token[i] = CopyStr(name);
}
sk_SSL_CIPHER_free(sk);
FreeSSLCtx(ctx);
SSL_free(ssl);
return ciphers;
}
// Get the TCP connections counter
@ -16954,9 +17005,6 @@ void FreeNetwork()
// Release of thread-related
FreeWaitThread();
FreeToken(cipher_list_token);
cipher_list_token = NULL;
Zero(&unix_dns_server, sizeof(unix_dns_server));
// Release the locks