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version 2.0

    1: /*************************************************************************
    2:  * (C) 2014 AITNET - Sofia/Bulgaria - <office@aitbg.com>
    3:  *  by Michael Pounov <misho@aitbg.com>
    4:  *
    5:  * $Author: misho $
    6:  * $Id: ube.c,v 1.2 2014/02/05 15:44:06 misho Exp $
    7:  *
    8:  *************************************************************************
    9: The ELWIX and AITNET software is distributed under the following
   10: terms:
   11: 
   12: All of the documentation and software included in the ELWIX and AITNET
   13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
   14: 
   15: Copyright 2004 - 2014
   16: 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
   17: 
   18: Redistribution and use in source and binary forms, with or without
   19: modification, are permitted provided that the following conditions
   20: are met:
   21: 1. Redistributions of source code must retain the above copyright
   22:    notice, this list of conditions and the following disclaimer.
   23: 2. Redistributions in binary form must reproduce the above copyright
   24:    notice, this list of conditions and the following disclaimer in the
   25:    documentation and/or other materials provided with the distribution.
   26: 3. All advertising materials mentioning features or use of this software
   27:    must display the following acknowledgement:
   28: This product includes software developed by Michael Pounov <misho@elwix.org>
   29: ELWIX - Embedded LightWeight unIX and its contributors.
   30: 4. Neither the name of AITNET nor the names of its contributors
   31:    may be used to endorse or promote products derived from this software
   32:    without specific prior written permission.
   33: 
   34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
   35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   44: SUCH DAMAGE.
   45: */
   46: #include "global.h"
   47: #include "ub_env.h"
   48: 
   49: 
   50: cfg_root_t cfg;
   51: int Verbose;
   52: extern char compiled[], compiledby[], compilehost[];
   53: 
   54: 
   55: static void
   56: Usage()
   57: {
   58: 	printf(	" -= U-Boot-Env =- Tool for u-boot-env nand map management\n"
   59: 		"=== %s === %s@%s ===\n\n"
   60: 		"  Syntax: ube [options] [set_value]\n"
   61: 		"\n"
   62: 		"\t-c <cfgfile>\tConfig file [default: /etc/ube.conf]\n"
   63: 		"\t-d <descr>\tDrive description into config [default: 64K]\n"
   64: 		"\t-g <name>\tSet parameter to value\n"
   65: 		"\t-s <name>\tGet parameter value\n"
   66: 		"\t-q\t\tQuiet mode\n"
   67: 		"\t-v\t\tVerbose ...\n"
   68: 		"\n", compiled, compiledby, compilehost);
   69: }
   70: 
   71: int
   72: main(int argc, char **argv)
   73: {
   74: 	char ch, mode = 0, szName[STRSIZ] = { 0 }, szVal[STRSIZ] = { 0 }, 
   75: 	     szCfgName[PATH_MAX], szSec[STRSIZ];
   76: 	const char *str;
   77: 	int ret = 0;
   78: 
   79: 	strlcpy(szCfgName, UBE_CFGNAME, sizeof szCfgName);
   80: 	strlcpy(szSec, UBE_SECTION, sizeof szSec);
   81: 	while ((ch = getopt(argc, argv, "hvqg:s:c:d:")) != -1)
   82: 		switch (ch) {
   83: 			case 'g':
   84: 				mode |= 1;
   85: 				strlcpy(szName, optarg, sizeof szName);
   86: 				break;
   87: 			case 's':
   88: 				mode |= 2;
   89: 				strlcpy(szName, optarg, sizeof szName);
   90: 				break;
   91: 			case 'c':
   92: 				strlcpy(szCfgName, optarg, sizeof szCfgName);
   93: 				break;
   94: 			case 'd':
   95: 				strlcpy(szSec, optarg, sizeof szSec);
   96: 				break;
   97: 			case 'v':
   98: 				Verbose++;
   99: 				break;
  100: 			case 'q':
  101: 				mode |= 0x80;
  102: 				break;
  103: 			case 'h':
  104: 			default:
  105: 				Usage();
  106: 				return 1;
  107: 		}
  108: 	argc -= optind;
  109: 	argv += optind;
  110: 	if ((mode & 0x7f) == 2 && argc)
  111: 		strlcpy(szVal, *argv, sizeof szVal);
  112: 
  113: 	VERB(1) printf("u-boot-env: mode=0x%hhx name=%s value=%s\n", mode, szName, szVal);
  114: 
  115: 	if (cfgLoadConfig(szCfgName, &cfg)) {
  116: 		printf("Error:: cfgLoadConfig() #%d - %s\n", cfg_GetErrno(), cfg_GetError());
  117: 		return 1;
  118: 	}
  119: 
  120: 	if (ub_load(szSec)) {
  121: 		ret = 1;
  122: 		goto end;
  123: 	}
  124: 
  125: 	if (!(mode & 0x7f)) {
  126: 		VERB(2) printf("u-boot-env: list variables\n");
  127: 		ub_env(szSec);
  128: 	}
  129: 
  130: 	if ((mode & 0x7f) & 1) {
  131: 		VERB(2) printf("u-boot-env: get variable %s\n", szName);
  132: 		str = ub_getenv(szSec, szName);
  133: 		if (!str) {
  134: 			printf("Error:: Variable %s not found!\n", szName);
  135: 			ret = 2;
  136: 			goto end;
  137: 		} else if (mode & 0x80)
  138: 			printf("%s\n", str);
  139: 		else
  140: 			printf("%s=%s\n", szName, str);
  141: 	}
  142: 
  143: 	if ((mode & 0x7f) & 2) {
  144: 		VERB(2) printf("u-boot-env: set variable %s\n", szName);
  145: 		ret = ub_setenv(szSec, szName, argc ? szVal : NULL);
  146: 		if (ret) {
  147: 			printf("Error:: Writing variable %s!\n", szName);
  148: 			ret = 3;
  149: 			goto end;
  150: 		}
  151: 		if (!(mode & 0x80))
  152: 			printf("Done\n");
  153: 	}
  154: 
  155: end:
  156: 	ub_unload();
  157: 	cfgUnloadConfig(&cfg);
  158: 	return ret;
  159: }