185 lines
3.8 KiB
Text
185 lines
3.8 KiB
Text
/*
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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 <fcntl.h>
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#include <time.h> /* nanosleep */
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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, logfd;
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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 -[fund] <service>\n" \
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"\t-u\t- (up) start a service (including all needed depedencies)\n" \
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"\t-d\t- (down) kill a respawing service\n\n" \
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"\t-f\t- (force) force starting service and all dependencies\n" \
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"\t-n\t- (no dependency) start a service, don't care about dependencies\n\n"
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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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int main(int argc, char **argv)
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{
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struct stat sbuf;
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pid_t pid;
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struct sockaddr_un addr;
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char svc_dir[PATH_MAX+1];
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int tmp;
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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 'o': /* on */
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// run_-vc(argv[2]);
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break;
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case 'k': /* kill */
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// msg_kill_svc(argv[2]);
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break;
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case 'p': /* power off */
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msg_reboot(CMD_POWEROFF);
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break;
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case 'r': /* reboot */
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msg_reboot(CMD_REBOOT);
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break;
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case 'h': /* halt */
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msg_reboot(CMD_HALT);
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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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/* absolute the service */
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if( argv[2][0] == '/') {
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if(strlen(argv[2]) > PATH_MAX) usage("Servicename too long");
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strcpy(svc_dir,argv[2]);
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} else {
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if( ( strlen(CINIT_DIR)+strlen(argv[2]) ) > PATH_MAX)
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usage("Servicename too long");
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strcpy(svc_dir,CINIT_DIR);
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strcat(svc_dir,argv[2]);
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}
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tmp = readlink(svc_dir,svc_dir,PATH_MAX);
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if(tmp == -1) {
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if(errno != EINVAL) {
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perror(MSG_READLINK);
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_exit(1);
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}
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}
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/* stat, checkdir */
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if( stat(svc_dir,&sbuf) ) {
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perror(MSG_INIT_MISS);
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_exit(1);
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}
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if( ! S_ISDIR(sbuf.st_mode) ) {
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mini_printf(MSG_NOT_DIR);
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_exit(1);
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}
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if( chdir(svc_dir) == -1) {
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perror(MSG_CHDIR);
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_exit(1);
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}
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switch(argv[1][1]) {
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case 't':
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break;
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case 'h':
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/* recursive find dependencies, this will take long time :( */
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find_deps(svc_dir)
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break;
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case 'i':
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run_svc(svc_dir);
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break;
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case 'l':
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break;
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case 'o':
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break;
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default: usage("Unknown Parameter");
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}
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/******************** begin socket **********************/
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sock = socket(AF_UNIX,SOCK_STREAM,0); /* create socket */
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if( sock == -1 ) {
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perror(MSG_SOCKET);
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}
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/* tell the socket, _we_ want to get SIGIO! */
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pid = getpid();
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memset(&addr, 0, sizeof(addr) ); /* clear addr */
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strcpy(addr.sun_path, CINIT_SOCK);
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addr.sun_family = AF_UNIX;
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if(bind(sock,(struct sockaddr *)&addr,sizeof(addr)) == -1) {
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perror(MSG_BIND);
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}
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/* start listening */
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if(listen(sock,SOCK_QUEUE) == -1) {
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perror(MSG_LISTEN);
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}
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return 0;
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}
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