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[mod_gnutls] add sni-fallback-pemfile option

personal/stbuehler/wip
Stefan Bühler 9 years ago
parent
commit
92f0a5f237
  1. 32
      src/modules/mod_gnutls.c

32
src/modules/mod_gnutls.c

@ -146,6 +146,7 @@ struct mod_context {
#ifdef USE_SNI
liFetchDatabase *sni_db;
gnutls_certificate_credentials_t sni_fallback_cert;
#endif
unsigned int protect_against_beast:1;
@ -175,6 +176,10 @@ static void mod_gnutls_context_release(mod_context *ctx) {
li_fetch_database_release(ctx->sni_db);
ctx->sni_db = NULL;
}
if (NULL != ctx->sni_fallback_cert) {
gnutls_certificate_free_credentials(ctx->sni_fallback_cert);
ctx->sni_fallback_cert = NULL;
}
#endif
@ -433,6 +438,8 @@ static void sni_job_cb(liJob *job) {
gnutls_certificate_credentials_t creds = conctx->sni_entry->data;
if (NULL != creds) {
gnutls_credentials_set(conctx->session, GNUTLS_CRD_CERTIFICATE, creds);
} else if (NULL != conctx->ctx->sni_fallback_cert) {
gnutls_credentials_set(conctx->session, GNUTLS_CRD_CERTIFICATE, conctx->ctx->sni_fallback_cert);
}
li_ssn_sni_stream_ready(conctx->sni_stream);
}
@ -568,7 +575,7 @@ static gboolean gnutls_setup(liServer *srv, liPlugin* p, liValue *val, gpointer
const char
*priority = NULL, *dh_params_file = NULL,
*pemfile = NULL, *ca_file = NULL,
*sni_backend = NULL;
*sni_backend = NULL, *sni_fallback_pemfile = NULL;
gboolean
protect_against_beast = TRUE;
gint64 session_db_size = 256;
@ -633,6 +640,12 @@ static gboolean gnutls_setup(liServer *srv, liPlugin* p, liValue *val, gpointer
return FALSE;
}
sni_backend = htval->data.string->str;
} else if (g_str_equal(htkey->str, "sni-fallback-pemfile")) {
if (htval->type != LI_VALUE_STRING) {
ERROR(srv, "%s", "gnutls sni-fallback-pemfile expects a string as parameter");
return FALSE;
}
sni_fallback_pemfile = htval->data.string->str;
#endif
}
}
@ -652,7 +665,7 @@ static gboolean gnutls_setup(liServer *srv, liPlugin* p, liValue *val, gpointer
ctx->protect_against_beast = protect_against_beast;
#ifdef USE_SNI
if (sni_backend != NULL) {
if (NULL != sni_backend) {
liFetchDatabase *backend = li_server_get_fetch_database(srv, sni_backend);
if (NULL == backend) {
ERROR(srv, "gnutls: no fetch backend with name '%s' registered", sni_backend);
@ -660,6 +673,21 @@ static gboolean gnutls_setup(liServer *srv, liPlugin* p, liValue *val, gpointer
}
ctx->sni_db = li_fetch_database_new(&fetch_cert_callbacks, backend, 64, 16);
}
if (NULL != sni_fallback_pemfile) {
if (GNUTLS_E_SUCCESS != (r = gnutls_certificate_allocate_credentials(&ctx->sni_fallback_cert))) {
ERROR(srv, "gnutls_certificate_allocate_credentials failed(%s): %s",
gnutls_strerror_name(r), gnutls_strerror(r));
goto error_free_ctx;
}
if (GNUTLS_E_SUCCESS != (r = gnutls_certificate_set_x509_key_file(ctx->sni_fallback_cert, sni_fallback_pemfile, sni_fallback_pemfile, GNUTLS_X509_FMT_PEM))) {
ERROR(srv, "gnutls_certificate_set_x509_key_file failed(certfile '%s', keyfile '%s', PEM) (%s): %s",
sni_fallback_pemfile, sni_fallback_pemfile,
gnutls_strerror_name(r), gnutls_strerror(r));
goto error_free_ctx;
}
}
#endif
if (GNUTLS_E_SUCCESS != (r = gnutls_certificate_set_x509_key_file(ctx->server_cert, pemfile, pemfile, GNUTLS_X509_FMT_PEM))) {

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