/* $Id$ */ /* Copyright (c) 2014-2021 Pierre Pronchery */ /* This file is part of DeforaOS System libSystem */ /* All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include "System/config.h" #include "System/error.h" #ifndef PROGNAME # define PROGNAME "configctl" #endif /* configctl */ /* private */ /* prototypes */ static int _configctl(int verbose, int write, char const * filename, int argc, char * argv[]); static int _configctl_list(char const * filename); static void _configctl_print(int verbose, char const * section, char const * variable, char const * value); static int _configctl_error(char const * progname, int ret); static int _usage(void); /* functions */ /* configctl */ static int _configctl_do(Config * config, int verbose, char const * section, char const * key, char const * value); static int _configctl(int verbose, int write, char const * filename, int argc, char * argv[]) { int ret = 0; Config * config; int i; char * section; char * key; char * value = NULL; if((config = config_new()) == NULL) return -_configctl_error(PROGNAME, 1); if(config_load(config, filename) != 0) { config_delete(config); return -_configctl_error(PROGNAME, 1); } for(i = 0; i < argc; i++) { section = argv[i]; if((key = strchr(section, '.')) == NULL) { key = section; section = NULL; } else *(key++) = '\0'; if(write && (value = strchr(key, '=')) != NULL) *(value++) = '\0'; ret |= _configctl_do(config, verbose, section, key, value); } if(ret == 0 && write && config_save(config, filename) != 0) ret = -_configctl_error(PROGNAME, 1); config_delete(config); return ret; } static int _configctl_do(Config * config, int verbose, char const * section, char const * key, char const * value) { char const * p; if(value == NULL) { if((p = config_get(config, section, key)) == NULL) return -_configctl_error(PROGNAME, 1); _configctl_print(verbose, section, key, p); } else { if(config_set(config, section, key, value) != 0) return -_configctl_error(PROGNAME, 1); _configctl_print(verbose, section, key, value); } return 0; } /* configctl_list */ static void _list_foreach(Config const * config, String const * section, void * data); static void _list_foreach_section(Config const * config, String const * section, String const * variable, String const * value, void * data); static int _configctl_list(char const * filename) { Config * config; if((config = config_new()) == NULL) return -_configctl_error(PROGNAME, 1); if(config_load(config, filename) != 0) { config_delete(config); return -_configctl_error(PROGNAME, 1); } config_foreach(config, _list_foreach, NULL); config_delete(config); return 0; } static void _list_foreach(Config const * config, String const * section, void * data) { (void) data; config_foreach_section(config, section, _list_foreach_section, NULL); } static void _list_foreach_section(Config const * config, String const * section, String const * variable, String const * value, void * data) { (void) config; (void) data; _configctl_print(1, section, variable, value); } /* configctl_print */ static void _configctl_print(int verbose, char const * section, char const * variable, char const * value) { if(verbose < 0) return; printf("%s%s%s%s%s\n", (verbose > 0 && section != NULL) ? section : "", (verbose > 0 && section != NULL && section[0] != '\0') ? "." : "", (verbose > 0) ? variable : "", (verbose > 0) ? "=" : "", (value != NULL) ? value : ""); } /* configctl_error */ static int _configctl_error(char const * progname, int ret) { error_print(progname); return ret; } /* usage */ static int _usage(void) { fputs("Usage: " PROGNAME " -f filename -a\n" " " PROGNAME " -f filename [-qv] [section.]key...\n" " " PROGNAME " -w -f filename [-qv] [section.]key[=value]...\n" " -a\tList every key of every section available\n" " -f\tFilename to parse or update\n" " -q\tQuiet mode\n" " -v\tVerbose mode\n" " -w\tSet and save values\n", stderr); return 1; } /* public */ /* functions */ /* main */ int main(int argc, char * argv[]) { int o; int list = 0; int verbose = 0; int write = 0; char const * filename = NULL; while((o = getopt(argc, argv, "af:qvw")) != -1) switch(o) { case 'a': list = 1; break; case 'f': filename = optarg; break; case 'q': verbose = -1; break; case 'v': verbose = 1; break; case 'w': write = 1; break; default: return _usage(); } if(list) { if(verbose != 0 || write != 0 || filename == NULL || optind != argc) return _usage(); return _configctl_list(filename) ? 0 : 2; } if(filename == NULL || optind == argc) return _usage(); return (_configctl(verbose, write, filename, argc - optind, &argv[optind]) == 0) ? 0 : 2; }