htp_status_t htp_tx_res_set_headers_clear(htp_tx_t *tx) { if (tx->response_headers == NULL) return HTP_ERROR; htp_header_t *h = NULL; for (int i = 0, n = htp_table_size(tx->response_headers); i < n; i++) { h = htp_table_get_index(tx->response_headers, i, NULL); bstr_free(h->name); bstr_free(h->value); free(h); } htp_table_destroy(tx->response_headers); tx->response_headers = htp_table_create(32); if (tx->response_headers == NULL) return HTP_ERROR; return HTP_OK; }
/** * Transcode all parameters supplied in the table. * * @param[in] connp * @param[in] params * @param[in] destroy_old */ int htp_transcode_params(htp_connp_t *connp, htp_table_t **params, int destroy_old) { htp_table_t *input_params = *params; // No transcoding unless necessary if ((connp->cfg->internal_encoding == NULL)||(connp->cfg->request_encoding == NULL)) return HTP_OK; // Create a new table that will hold transcoded parameters htp_table_t *output_params = htp_table_create(htp_table_size(input_params)); if (output_params == NULL) return HTP_ERROR; // Initialize iconv iconv_t cd = iconv_open(connp->cfg->internal_encoding, connp->cfg->request_encoding); if (cd == (iconv_t) -1) { htp_table_destroy(output_params); return HTP_ERROR; } #if (_LIBICONV_VERSION >= 0x0108) int iconv_param = 0; iconvctl(cd, ICONV_SET_TRANSLITERATE, &iconv_param); iconv_param = 1; iconvctl(cd, ICONV_SET_DISCARD_ILSEQ, &iconv_param); #endif // Convert the parameters, one by one bstr *name = NULL; bstr *value = NULL; for (int i = 0, n = htp_table_size(input_params); i < n; i++) { value = htp_table_get_index(input_params, i, &name); bstr *new_name = NULL, *new_value = NULL; // Convert name htp_transcode_bstr(cd, name, &new_name); if (new_name == NULL) { iconv_close(cd); bstr *b = NULL; for (int j = 0, k = htp_table_size(output_params); j < k; j++) { b = htp_table_get_index(output_params, j, NULL); bstr_free(b); } htp_table_destroy(output_params); return HTP_ERROR; } // Convert value htp_transcode_bstr(cd, value, &new_value); if (new_value == NULL) { bstr_free(new_name); iconv_close(cd); bstr *b = NULL; for (int j = 0, k = htp_table_size(output_params); j < k; j++) { b = htp_table_get_index(output_params, j, NULL); bstr_free(b); } htp_table_destroy(output_params); return HTP_ERROR; } // Add to new table htp_table_addn(output_params, new_name, new_value); } // Replace the old parameter table *params = output_params; // Destroy the old parameter table if necessary if (destroy_old) { bstr *b = NULL; for (int i = 0, n = htp_table_size(input_params); i < n; i++) { b = htp_table_get_index(input_params, i, NULL); bstr_free(b); } htp_table_destroy(input_params); } iconv_close(cd); return HTP_OK; }