/* * Copyright (c) 2018 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ /* * RATP getenv */ #include <common.h> #include <ratp_bb.h> #include <malloc.h> #include <environment.h> static int ratp_cmd_getenv(const struct ratp_bb *req, int req_len, struct ratp_bb **rsp, int *rsp_len) { int dlen = req_len - sizeof(struct ratp_bb); char *varname; const char *value; varname = xstrndup((const char *)req->data, dlen); value = getenv(varname); free(varname); dlen = strlen(value); *rsp_len = sizeof(struct ratp_bb) + dlen; *rsp = xzalloc(*rsp_len); (*rsp)->type = cpu_to_be16(BB_RATP_TYPE_GETENV_RETURN); memcpy((*rsp)->data, value, dlen); return 0; } BAREBOX_RATP_CMD_START(GETENV) .request_id = BB_RATP_TYPE_GETENV, .response_id = BB_RATP_TYPE_GETENV_RETURN, .cmd = ratp_cmd_getenv BAREBOX_RATP_CMD_END