-config_t *parse_config_line(char *line, const char *fname, int lineno) {
- config_t *cfg;
- int len;
- char *variable, *value, *eol;
- variable = value = line;
-
- eol = line + strlen(line);
- while(strchr("\t ", *--eol))
- *eol = '\0';
-
- len = strcspn(value, "\t =");
- value += len;
- value += strspn(value, "\t ");
- if(*value == '=') {
- value++;
- value += strspn(value, "\t ");
- }
- variable[len] = '\0';
+/// Write a configuration file to a FILE handle.
+bool config_write_file(meshlink_handle_t *mesh, FILE *f, const config_t *config) {
+ if(mesh->config_key) {
+ uint8_t buf[config->len + 16];
+ size_t len = sizeof(buf);
+ uint8_t seqbuf[12];
+ randomize(&seqbuf, sizeof(seqbuf));
+ chacha_poly1305_ctx_t *ctx = chacha_poly1305_init();
+ chacha_poly1305_set_key(ctx, mesh->config_key);
+ bool success = false;
+
+ if(chacha_poly1305_encrypt_iv96(ctx, seqbuf, config->buf, config->len, buf, &len)) {
+ success = fwrite(seqbuf, sizeof(seqbuf), 1, f) == 1 && fwrite(buf, len, 1, f) == 1;
+ } else {
+ logger(mesh, MESHLINK_ERROR, "Cannot encrypt config file\n");
+ meshlink_errno = MESHLINK_ESTORAGE;
+ }