156 lines
3.6 KiB
C
156 lines
3.6 KiB
C
/*
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* (c) 2005 Nico Schottelius (nico-linux at schottelius.org)
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* cservice: control cinit
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* part of cLinux/cinit
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*/
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/* *stat() */
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#include <sys/stat.h>
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#include <unistd.h>
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/* open */
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#include <fcntl.h>
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/* siggnal */
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#include <signal.h>
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/* PATH_MAX */
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#include <limits.h>
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/* str* */
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#include <string.h>
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/* sockets */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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/* mount */
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#include <sys/mount.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include "cinit.h"
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/* global variable */
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struct listitem *list;
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int sock;
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pid_t cpid;
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/***********************************************************************
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* cservice - control cinit
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*/
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#define CSERVICE_BANNER "cservice - control cinit\n\n"
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#define USAGE_TEXT "\n\nUsage:\n\ncservice -[phearsu] <service>\n" \
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"\t-e\t- (ein,on) start a service (respawn if respawning is set)\n" \
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"\t-a\t- (aus,off) stop a respawing service\n\n" \
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"\t-p\t- (power off) Power off the system\n" \
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"\t-h\t- (halt) Halt the system \n" \
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"\t-r\t- (reboot) Reboot the system\n" \
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"\t-s\t- (single user/rescue) Rescue mode\n" \
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"\t-u\t- (update) Hot-Reboot system and update cinit\n" \
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"\n-h, -p, -r, -s and -u need the \"Magic Word\" to do their work: \"thilo\"\n" \
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/***********************************************************************
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* fuzzy_path: allow other kinds of path specification ..
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*/
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char *fuzzy_path(char *rpath)
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{
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char pathtmp[PATH_MAX];
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char *re = NULL;
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/* change to rpath */
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if(chdir(rpath) == -1) {
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perror(rpath);
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return NULL;
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}
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/* get absolute name of rpath */
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if(! (int) getcwd(pathtmp,PATH_MAX)) {
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perror(pathtmp);
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return NULL;
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}
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re = malloc( strlen(pathtmp) + 1);
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if(re == NULL) return NULL;
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strcpy(re,pathtmp);
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return re;
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}
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/***********************************************************************
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* usage: tell the user what's wrong and a help text
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*/
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void usage(char *stext)
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{
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write(1,CSERVICE_BANNER,strlen(CSERVICE_BANNER));
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write(1,stext,strlen(stext));
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write(1,USAGE_TEXT,strlen(USAGE_TEXT));
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_exit(1);
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}
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/***********************************************************************
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* cservice: the main part for controlling cinit from outside
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*/
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int main(int argc, char **argv)
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{
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/* argv */
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if(argc != 3) usage("Too less arguments!");
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if(argv[1][0] != '-') usage("Wrong arguments");
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if(strlen(argv[1]) != 2) usage("Wrong parameter length");
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switch(argv[1][1]) {
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case 'e': /* ein */
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if(run_svc(argv[2])) {
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mini_printf("Successfully started.",1);
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} else {
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mini_printf("An error occured",1);
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}
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break;
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case 'a': /* aus */
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if( msg_svc_on_off( fuzzy_path(argv[2]),0 ) ) {
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mini_printf("Successfully stoped.",1);
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} else {
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mini_printf("An error occured",1);
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}
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break;
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case 'p': /* power off */
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mini_printf("Powering off...",1);
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msg_reboot(CMD_POWEROFF);
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break;
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case 'h': /* halt */
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mini_printf("Halting...",1);
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msg_reboot(CMD_HALT);
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break;
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case 'r': /* reboot */
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mini_printf("Rebooting...",1);
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msg_reboot(CMD_REBOOT);
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break;
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case 's': /* rescue */
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mini_printf("Rescue mode...",1);
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msg_reboot(CMD_RESCUE);
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break;
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case 'u': /* update */
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mini_printf("Update and hot reboot in progress...",1);
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msg_reboot(CMD_UPDATE);
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break;
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default:
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usage("Unknown parameter");
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break;
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}
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D_PRINTF("wir beenden uns");;
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return 0;
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}
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