/* Stevens. */
void daemonize(void)
{
pid_t pid;
/* Separate from our parent via fork, so init inherits us. */
if ((pid = fork()) < 0)
barf_perror("Failed to fork daemon");
if (pid != 0)
exit(0);
/* Session leader so ^C doesn't whack us. */
setsid();
/* Let session leader exit so child cannot regain CTTY */
if ((pid = fork()) < 0)
barf_perror("Failed to fork daemon");
if (pid != 0)
exit(0);
/* Move off any mount points we might be in. */
if (chdir("/") == -1)
barf_perror("Failed to chdir");
/* Discard our parent's old-fashioned umask prejudices. */
umask(0);
}
void write_pidfile(const char *pidfile)
{
char buf[100];
int len;
int fd;
fd = open(pidfile, O_RDWR | O_CREAT, 0600);
if (fd == -1)
barf_perror("Opening pid file %s", pidfile);
/* We exit silently if daemon already running. */
if (lockf(fd, F_TLOCK, 0) == -1)
exit(0);
len = snprintf(buf, sizeof(buf), "%ld\n", (long)getpid());
if (write(fd, buf, len) != len)
barf_perror("Writing pid file %s", pidfile);
}
void finish_daemonize(void)
{
int devnull = open("/dev/null", O_RDWR);
if (devnull == -1)
barf_perror("Could not open /dev/null\n");
dup2(devnull, STDIN_FILENO);
dup2(devnull, STDOUT_FILENO);
dup2(devnull, STDERR_FILENO);
close(devnull);
xprintf = trace;
}
int main(int argc, char *argv[])
{
TDB_DATA key;
TDB_CONTEXT *tdb;
if (argc != 2)
barf("Usage: xs_tdb_dump <tdbfile>");
tdb = tdb_open(talloc_strdup(NULL, argv[1]), 0, 0, O_RDONLY, 0);
if (!tdb)
barf_perror("Could not open %s", argv[1]);
key = tdb_firstkey(tdb);
while (key.dptr) {
TDB_DATA data;
struct record_hdr *hdr;
data = tdb_fetch(tdb, key);
hdr = (void *)data.dptr;
if (data.dsize < sizeof(*hdr))
fprintf(stderr, "%.*s: BAD truncated\n",
(int)key.dsize, key.dptr);
else if (data.dsize != total_size(hdr))
fprintf(stderr, "%.*s: BAD length %i for %i/%i/%i (%i)\n",
(int)key.dsize, key.dptr, (int)data.dsize,
hdr->num_perms, hdr->datalen,
hdr->childlen, total_size(hdr));
else {
unsigned int i;
char *p;
printf("%.*s: ", (int)key.dsize, key.dptr);
for (i = 0; i < hdr->num_perms; i++)
printf("%s%c%i",
i == 0 ? "" : ",",
perm_to_char(hdr->perms[i].perms),
hdr->perms[i].id);
p = (void *)&hdr->perms[hdr->num_perms];
printf(" %.*s\n", hdr->datalen, p);
p += hdr->datalen;
for (i = 0; i < hdr->childlen; i += strlen(p+i)+1)
printf("\t-> %s\n", p+i);
}
key = tdb_nextkey(tdb, key);
}
return 0;
}
void init_pipe(int reopen_log_pipe[2])
{
if (pipe(reopen_log_pipe)) {
barf_perror("pipe");
}
}
