MINOR: ssl: Don't abuse ssl_options.

A bind_conf does contain a ssl_bind_conf, which already has a flag to know
if early data are activated, so use that, instead of adding a new flag in
the ssl_options field.
This commit is contained in:
Olivier Houchard 2017-10-27 14:58:08 +02:00 committed by Willy Tarreau
parent 7c210e6aa8
commit 9679ac997a
3 changed files with 26 additions and 5 deletions

View File

@ -847,6 +847,10 @@ resetenv [<name> ...]
next line in the configuration file sees the new environment. See also
"setenv", "presetenv", and "unsetenv".
ssl-allow-0rtt
Allow using 0RTT on every listener. 0RTT is prone to various attacks, so be
sure to know the security implications before activating it.
stats bind-process [ all | odd | even | <number 1-64>[-<number 1-64>] ] ...
Limits the stats socket to a certain set of processes numbers. By default the
stats socket is bound to all processes, causing a warning to be emitted when

View File

@ -105,7 +105,6 @@ enum li_state {
#define BC_SSL_O_NONE 0x0000
#define BC_SSL_O_NO_TLS_TICKETS 0x0100 /* disable session resumption tickets */
#define BC_SSL_O_PREF_CLIE_CIPH 0x0200 /* prefer client ciphers */
#define BC_SSL_O_EARLY_DATA 0x0400 /* Accept early data */
#endif
/* ssl "bind" settings */

View File

@ -165,6 +165,7 @@ static struct {
char *crt_base; /* base directory path for certificates */
char *ca_base; /* base directory path for CAs and CRLs */
int async; /* whether we use ssl async mode */
int default_early_data; /* Shall we default to allow early data */
char *listen_default_ciphers;
char *connect_default_ciphers;
@ -2009,7 +2010,7 @@ static int ssl_sock_switchctx_cbk(SSL *ssl, int *al, void *arg)
conn = SSL_get_app_data(ssl);
s = objt_listener(conn->target)->bind_conf;
if (s->ssl_options & BC_SSL_O_EARLY_DATA)
if (s->ssl_conf.early_data)
allow_early = 1;
#ifdef OPENSSL_IS_BORINGSSL
if (SSL_early_callback_ctx_extension_get(ctx, TLSEXT_TYPE_server_name,
@ -6976,7 +6977,7 @@ static int ssl_bind_parse_allow_0rtt(char **args, int cur_arg, struct proxy *px,
static int bind_parse_allow_0rtt(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
{
conf->ssl_options |= BC_SSL_O_EARLY_DATA;
conf->ssl_conf.early_data = 1;
return 0;
}
@ -7102,6 +7103,7 @@ static int bind_parse_ssl(char **args, int cur_arg, struct proxy *px, struct bin
conf->ssl_conf.ciphers = strdup(global_ssl.listen_default_ciphers);
conf->ssl_options |= global_ssl.listen_default_ssloptions;
conf->ssl_conf.ssl_methods.flags |= global_ssl.listen_default_sslmethods.flags;
conf->ssl_conf.early_data = global_ssl.default_early_data;
if (!conf->ssl_conf.ssl_methods.min)
conf->ssl_conf.ssl_methods.min = global_ssl.listen_default_sslmethods.min;
if (!conf->ssl_conf.ssl_methods.max)
@ -7519,8 +7521,6 @@ static int ssl_parse_default_bind_options(char **args, int section_type, struct
while (*(args[i])) {
if (!strcmp(args[i], "no-tls-tickets"))
global_ssl.listen_default_ssloptions |= BC_SSL_O_NO_TLS_TICKETS;
else if (!strcmp(args[i], "allow-0rtt"))
global_ssl.listen_default_ssloptions |= BC_SSL_O_EARLY_DATA;
else if (!strcmp(args[i], "prefer-client-ciphers"))
global_ssl.listen_default_ssloptions |= BC_SSL_O_PREF_CLIE_CIPH;
else if (!strcmp(args[i], "ssl-min-ver") || !strcmp(args[i], "ssl-max-ver")) {
@ -7597,6 +7597,23 @@ static int ssl_parse_global_ca_crt_base(char **args, int section_type, struct pr
return 0;
}
/* parse the "ssl-allow-0rtt" keyword in global section.
* Returns <0 on alert, >0 on warning, 0 on success.
*/
static int ssl_parse_global_ssl_allow_0rtt(char **args, int section_type,
struct proxy *curpx, struct proxy *defpx, const char *file, int line,
char **err)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10101000L)
global_ssl.default_early_data = 1;
return 0;
#else
memprintf(err, "'%s': openssl library does not early data", args[0]);
return -1;
#endif
}
/* parse the "ssl-mode-async" keyword in global section.
* Returns <0 on alert, >0 on warning, 0 on success.
*/
@ -8287,6 +8304,7 @@ static struct cfg_kw_list cfg_kws = {ILH, {
{ CFG_GLOBAL, "ca-base", ssl_parse_global_ca_crt_base },
{ CFG_GLOBAL, "crt-base", ssl_parse_global_ca_crt_base },
{ CFG_GLOBAL, "maxsslconn", ssl_parse_global_int },
{ CFG_GLOBAL, "ssl-allow-0rtt", ssl_parse_global_ssl_allow_0rtt },
{ CFG_GLOBAL, "ssl-default-bind-options", ssl_parse_default_bind_options },
{ CFG_GLOBAL, "ssl-default-server-options", ssl_parse_default_server_options },
#ifndef OPENSSL_NO_DH