+static struct namedcreds *readncreds(char *file)
+{
+ int i, fd, ret;
+ struct namedcreds *nc;
+ gnutls_x509_crt_t crt;
+ gnutls_x509_privkey_t key;
+ char cn[1024];
+ size_t cnl;
+ gnutls_datum_t d;
+ struct charbuf keybuf;
+ struct charvbuf names;
+ unsigned int type;
+
+ bufinit(keybuf);
+ bufinit(names);
+ if((fd = open(file, O_RDONLY)) < 0) {
+ flog(LOG_ERR, "ssl: %s: %s", file, strerror(errno));
+ exit(1);
+ }
+ while(1) {
+ sizebuf(keybuf, keybuf.d + 1024);
+ ret = read(fd, keybuf.b + keybuf.d, keybuf.s - keybuf.d);
+ if(ret < 0) {
+ flog(LOG_ERR, "ssl: reading from %s: %s", file, strerror(errno));
+ exit(1);
+ } else if(ret == 0) {
+ break;
+ }
+ keybuf.d += ret;
+ }
+ close(fd);
+ d.data = (unsigned char *)keybuf.b;
+ d.size = keybuf.d;
+ gnutls_x509_crt_init(&crt);
+ if((ret = gnutls_x509_crt_import(crt, &d, GNUTLS_X509_FMT_PEM)) != 0) {
+ flog(LOG_ERR, "ssl: could not load certificate from %s: %s", file, gnutls_strerror(ret));
+ exit(1);
+ }
+ cnl = sizeof(cn) - 1;
+ if((ret = gnutls_x509_crt_get_dn_by_oid(crt, GNUTLS_OID_X520_COMMON_NAME, 0, 0, cn, &cnl)) != 0) {
+ flog(LOG_ERR, "ssl: could not read common name from %s: %s", file, gnutls_strerror(ret));
+ exit(1);
+ }
+ cn[cnl] = 0;
+ bufadd(names, sstrdup(cn));
+ for(i = 0; 1; i++) {
+ cnl = sizeof(cn) - 1;
+ if(gnutls_x509_crt_get_subject_alt_name2(crt, i, cn, &cnl, &type, NULL) < 0)
+ break;
+ cn[cnl] = 0;
+ if(type == GNUTLS_SAN_DNSNAME)
+ bufadd(names, sstrdup(cn));
+ }
+ gnutls_x509_privkey_init(&key);
+ if((ret = gnutls_x509_privkey_import(key, &d, GNUTLS_X509_FMT_PEM)) != 0) {
+ flog(LOG_ERR, "ssl: could not load key from %s: %s", file, gnutls_strerror(ret));
+ exit(1);
+ }
+ buffree(keybuf);
+ bufadd(names, NULL);
+ omalloc(nc);
+ nc->names = names.b;
+ gnutls_certificate_allocate_credentials(&nc->creds);
+ if((ret = gnutls_certificate_set_x509_key(nc->creds, &crt, 1, key)) != 0) {
+ flog(LOG_ERR, "ssl: could not use certificate from %s: %s", file, gnutls_strerror(ret));
+ exit(1);
+ }
+ gnutls_certificate_set_dh_params(nc->creds, dhparams);
+ return(nc);
+}
+