int main(int argc, char *argv[]) {
chdir(BBSHOME); //进入BBS用户主目录
setuid(BBSUID); //将进程的 用户ID
setgid(BBSGID); //组ID设置成BBS
setreuid(BBSUID, BBSUID); //设置有效用户ID
setregid(BBSGID, BBSGID); //有效组ID为BBS
if (argc <= 1) {
printf("usage: daemon | flushed | reload\n");
exit(0);
}
if ( !strcasecmp(argv[1], "daemon") ) { // miscd daemon
switch (fork()) { //后台程序:需要创建一个子进程,由子进程杀死父进程
case -1: //
printf("cannot fork\n");
exit(0);
break;
case 0: // 子进程
break;
default:
exit(0); //父进程
break;
}
if (load_ucache() != 0) { //将用户的数据映射到内存
printf("load ucache error\n");
exit(-1);
}
if (resolve_boards() < 0)
exit(-1);
atexit(do_exit); //注册退出前运行的函数.正常退出前须执行此函数
while (1) { //循环
refresh_utmp(); //刷新用户临时数据
b_closepolls(); //关闭投票
flush_ucache(); //将用户在内存中的数据写回.PASSWDS
flush_bcache();
sleep(60 * 15); //睡眠十分钟,即每十五分钟同步一次.
}
} else if ( !strcasecmp(argv[1], "flushed") ) { //miscd flushed
if (resolve_ucache() == -1)
exit(1);
flush_ucache();
flush_bcache();
} else if ( !strcasecmp(argv[1], "reload") ) { //miscd reload
if (load_ucache() != 0) {
printf("load ucache error\n");
exit(-1);
}
} else {
printf("usage: daemon | flushed | reload\n");
exit(0);
}
return 0;
}
int main(int argc, char* argv[]) {
int mode;
chdir(BBSHOME);
resolve_boards();
load_ucache();
mode = 0;
if(argc > 1) {
if(strcmp(argv[1], "-u") == 0)
mode = 1;
else {
cnv_index(argv[1]);
printf("%s is done.\n", argv[1]);
return 0;
}
}
if(mode == 0) {
apply_boards(cnv_board, NULL);
apply_users(cnv_mail, NULL);
}
else {
apply_boards(undo_board, NULL);
apply_users(undo_mail, NULL);
}
return 0;
}
void bootstrap(void)
{
int ret;
char *prompt[] = {
"Input SYSOP's passwd: ",
"Input SYSOP's passwd again: ",
};
char *pw[2]; /* store SYSOP's password */
/*
* About function getpass():
* lots of codes still use the function, so we use it,
* though it is obsolete.
* XXX: memory leak here is harmless.
*/
while (1) {
pw[0] = strdup(getpass(prompt[0]));
if (strlen(pw[0]) > PASSLEN) {
fprintf(stderr, "password too long, reinput\n");
continue;
}
if (strlen(pw[0]) < 4) {
fprintf(stderr, "password too short, reinput\n");
continue;
}
if (!strcmp(pw[0], "SYSOP")) {
fprintf(stderr, "password same as BBS ID, reinput\n");
continue;
}
pw[1] = strdup(getpass(prompt[1]));
if (strcmp(pw[0], pw[1])) {
fprintf(stderr, "passwords don't match, reinput\n");
continue;
}
break;
}
clean_ipc();
clean_ids_boards();
if ((ret = system(BBSHOME "/bin/miscd daemon")) != 0)
error("error running miscd, return value = %d", ret);
if ((ret = system(BBSHOME "/bin/bbslogd")) != 0)
error("error running bbslogd, return value = %d", ret);
chdir(BBSHOME);
resolve_boards();
resolve_utmp();
load_ucache();
add_bbsid("SYSOP", pw[0]);
add_bbsid("guest", "anypassword");
add_allboards();
clean_ipc();
}
int
main(void)
{
int i;
if (initbbsinfo(&bbsinfo) < 0)
goto quit;
if (load_ucache() < 0)
goto quit;
for (i = 0; i < 4; i++) {
getrandomint(&(bbsinfo.ucachehashshm->regkey[i]));
getrandomint(&(bbsinfo.ucachehashshm->oldregkey[i]));
}
bbsinfo.ucachehashshm->keytime = time(NULL);
bbsinfo.ucachehashshm->uptime = time(NULL);
return 0;
quit:
printf("E!\n");
return -1;
}
int main(int argc, char **argv)
{
chdir(BBSHOME);
#undef time
bbssettime(time(0));
sleep(1);
resolve_boards();
load_ucache();
if (argc == 2 && strcmp(argv[1], "--all") == 0) {
printf("Transfering Board....\n");
apply_boards(strip_board, NULL);
printf("Transfering user mail....\n");
apply_users(strip_mail, NULL);
} else if (argc == 2 && strcmp(argv[1], "--mail") == 0) {
apply_users(strip_mail, NULL);
} else if (argc == 2 && strcmp(argv[1], "--board") == 0) {
apply_boards(strip_board, NULL);
} else if (argc == 2 && strcmp(argv[1], "--rollback") == 0) {
//apply_boards(rollback_board, NULL);
apply_users(rollback_mail, NULL);
} else if (argc == 3 && strcmp(argv[1], "-b") == 0) {
struct boardheader *bh;
if ((bh = getbcache(argv[2])) == NULL) {
fprintf(stderr, "Board <%s> not found!\n", argv[2]);
exit(-1);
}
strip_board(bh, NULL);
} else if (argc == 3 && strcmp(argv[1], "-m") == 0) {
struct userec *user;
if (!getuser(argv[2], &user)) {
fprintf(stderr, "User <%s> not found!\n", argv[2]);
exit(-1);
}
strip_mail(user, NULL);
} else if (argc == 3 && strcmp(argv[1], "--rollback-board") == 0) {
struct boardheader *bh;
if ((bh = getbcache(argv[2])) == NULL) {
fprintf(stderr, "Board <%s> not found!\n", argv[2]);
exit(-1);
}
rollback_board(bh, NULL);
} else if (argc == 3 && strcmp(argv[1], "--rollback-mail") == 0) {
struct userec *user;
if (!getuser(argv[2], &user)) {
fprintf(stderr, "User <%s> not found!\n", argv[2]);
exit(-1);
}
rollback_mail(user, NULL);
} else {
fprintf(stderr, "Usage:\n", argv[0]);
fprintf(stderr, " %s --all Strip all fileheaders.\n", argv[0]);
fprintf(stderr, " %s --mail Strip mail fileheaders.\n", argv[0]);
fprintf(stderr, " %s --board Strip board fileheaders.\n", argv[0]);
fprintf(stderr, " %s --rollback Rollback all fileheaders.\n", argv[0]);
fprintf(stderr, " %s -b board Strip fileheaders of a board.\n", argv[0]);
fprintf(stderr, " %s -m user Strip fileheaders of a user's mailbox.\n", argv[0]);
fprintf(stderr, " %s --rollback-board board Rollback fileheaders of a board.\n", argv[0]);
fprintf(stderr, " %s --rollback-mail user Rollback fileheaders of a user's mailbox.\n", argv[0]);
exit(-1);
}
return 0;
}
static int miscd_dodaemon(char *argv1, char *daemon)
{
struct sigaction act;
char *commandline;
char commbuf[10];
char ch;
if (!check_file_writable(PASSFILE))
{
fprintf(stderr, "Error! File %s is not writable.\n", PASSFILE);
exit(-1);
}
if (!check_file_writable(BOARDS))
{
fprintf(stderr, "Error! File %s is not writable.\n", BOARDS);
exit(-1);
}
truncate(BOARDS, MAXBOARD * sizeof(struct boardheader));
if (load_ucache() != 0) {
printf("ft,load ucache error!");
exit(-1);
}
/* init tmpfs */
sprintf(genbuf1,"%s/home",TMPFSROOT);
mkdir(genbuf1,0700);
sprintf(genbuf1,"%s/boards",TMPFSROOT);
mkdir(genbuf1,0700);
for (ch='A';ch<='Z';ch++) {
sprintf(genbuf1,"%s/home/%c",TMPFSROOT,ch);
mkdir(genbuf1,0700);
}
resolve_boards();
resolve_utmp();
resolve_guest_table();
if (argv1 != NULL) {
switch (fork()) {
case -1:
printf("faint, i can't fork.\n");
exit(0);
break;
case 0:
break;
default:
exit(0);
break;
}
commandline = argv1;
} else {
commandline = commbuf;
}
setsid();
#if defined(FREEBSD) || defined(MACOSX)
setpgid(0, 0);
#else
// by zixia setpgrp(0, 0);
setpgrp();
#endif
#ifdef AIX
act.sa_handler = NULL;
act.sa_flags = SA_RESTART | SA_NOCLDWAIT;
sigaction(SIGCHLD, &act, NULL);
#else
act.sa_handler = reaper;
act.sa_flags = SA_RESTART;
sigaction(SIGCHLD, &act, NULL);
#endif
if (((daemon == NULL) || (!strcmp(daemon, "timed"))) && ((argv1 == NULL) || fork())) {
strcpy(commandline, "timed");
timed();
exit(0);
}
if (((daemon == NULL) || (!strcmp(daemon, "killd"))) && ((argv1 == NULL) || fork())) {
strcpy(commandline, "killd");
char line[20];
const char *path = "var/killd.pid";
int pidfd = open(path, O_RDWR | O_CREAT, 0660);
if (write_lock(pidfd, 0, SEEK_SET, 0) < 0) {
bbslog("3error", "killd had already been started!");
exit(-1);
}
snprintf(line, sizeof(line), "%ld\n", (long)getpid());
ftruncate(pidfd, 0);
write(pidfd, line, strlen(line));
while (1) {
time_t ft;
ft = getnextday4am();
do {
sleep(ft - time(0));
} while (ft > time(0));
if (argv1 == NULL) {
dokilluser();
//doupdategiveupuser();
} else {
switch (fork()) {
case -1:
bbslog("3error", "fork failed\n");
break;
case 0:
dokilluser();
//doupdategiveupuser();
exit(0);
break;
default:
break;
}
}
switch (fork()) {
case -1:
bbslog("3error", "fork failed\n");
break;
case 0:
dokillalldir();
exit(0);
break;
default:
break;
}
};
exit(0);
}
if (((daemon == NULL) || (!strcmp(daemon, "userd"))) && ((argv1 == NULL) || fork())) {
strcpy(commandline, "userd");
userd();
exit(0);
}
if ((daemon == NULL) || (!strcmp(daemon, "flushd"))) {
strcpy(commandline, "flushd");
flushd();
exit(0);
}
return 0;
}
