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Do not enforce safe negotiation on the main TLS channel.

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This is only set when in CISCO compatibility mode, as CISCO clients
come from the past.
This commit is contained in:
Nikos Mavrogiannopoulos
2014-02-14 21:34:02 +01:00
parent 452ff7973a
commit dd3bd9dcdd
1 changed files with 23 additions and 1 deletions
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24
src/tlslib.c
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@@ -545,11 +545,17 @@ struct key_cb_data * cdata;
return 0;
}
/* Allow clients to rehandshake even if they don't support safe
* renegotiation */
#define ADDITIONAL_FLAGS ":%UNSAFE_RENEGOTIATION"
/* reload key files etc. */
void tls_global_init_certs(main_server_st* s)
{
int ret;
const char* perr;
char *tmp;
unsigned len;
if (s->config->tls_debug) {
gnutls_global_set_log_function(tls_log_func);
@@ -608,11 +614,27 @@ const char* perr;
verify_certificate_cb);
}
ret = gnutls_priority_init(&s->creds.cprio, s->config->priorities, &perr);
if (s->config->cisco_client_compat) {
len = strlen(s->config->priorities);
tmp = malloc(len+sizeof(ADDITIONAL_FLAGS));
if (tmp == NULL) {
mslog(s, NULL, LOG_ERR, "memory error");
exit(1);
}
memcpy(tmp, s->config->priorities, len);
memcpy(&tmp[len], ADDITIONAL_FLAGS, sizeof(ADDITIONAL_FLAGS)); /* includes terminating zero */
} else {
tmp = strdup(s->config->priorities);
}
ret = gnutls_priority_init(&s->creds.cprio, tmp, &perr);
if (ret == GNUTLS_E_PARSING_ERROR)
mslog(s, NULL, LOG_ERR, "error in TLS priority string: %s", perr);
GNUTLS_FATAL_ERR(ret);
free(tmp);
if (s->config->ocsp_response != NULL) {
ret = gnutls_certificate_set_ocsp_status_request_file(s->creds.xcred,
s->config->ocsp_response, 0);