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#include "core.h"
#include "dns.h"
#ifdef USE_GNUTLS
static gnutls_dh_params_t dh_params;
gnutls_certificate_credentials_t g_serverCreds, g_clientCreds;
bool initTLS() {
int ret;
ret = gnutls_global_init();
if (ret != GNUTLS_E_SUCCESS) {
printf("gnutls_global_init failure: %s\n", gnutls_strerror(ret));
return false;
}
unsigned int bits = gnutls_sec_param_to_pk_bits(GNUTLS_PK_DH, GNUTLS_SEC_PARAM_LEGACY);
ret = gnutls_dh_params_init(&dh_params);
if (ret != GNUTLS_E_SUCCESS) {
printf("dh_params_init failure: %s\n", gnutls_strerror(ret));
return false;
}
ret = gnutls_dh_params_generate2(dh_params, bits);
if (ret != GNUTLS_E_SUCCESS) {
printf("dh_params_generate2 failure: %s\n", gnutls_strerror(ret));
return false;
}
gnutls_certificate_allocate_credentials(&g_clientCreds);
ret = gnutls_certificate_set_x509_key_file(g_clientCreds, "ssl_test.crt", "ssl_test.key", GNUTLS_X509_FMT_PEM);
if (ret != GNUTLS_E_SUCCESS) {
printf("set_x509_key_file failure: %s\n", gnutls_strerror(ret));
return false;
}
gnutls_certificate_set_dh_params(g_clientCreds, dh_params);
gnutls_certificate_allocate_credentials(&g_serverCreds);
return true;
}
void cleanupTLS() {
gnutls_certificate_free_credentials(g_clientCreds);
gnutls_certificate_free_credentials(g_serverCreds);
gnutls_dh_params_deinit(dh_params);
gnutls_global_deinit();
}
#endif
int main(int argc, char **argv) {
#ifdef USE_GNUTLS
if (!initTLS())
return EXIT_FAILURE;
#endif
DNS::start();
Bouncer bounce;
bounce.loadConfig();
int errcode = bounce.execute();
DNS::stop();
#ifdef USE_GNUTLS
cleanupTLS();
#endif
if (errcode < 0) {
printf("(Bouncer::execute failed with %d)\n", errcode);
return EXIT_FAILURE;
} else {
return EXIT_SUCCESS;
}
}
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