at *oostruct_getslot(at *p, at *prop)
{
at *slot = Car(prop);
ifn (SYMBOLP(slot))
error(NIL,"not a slot name", slot);
prop = Cdr(prop);
object_t *obj = Mptr(p);
class_t *cl = Class(obj->backptr);
for (int i=0; i<cl->num_slots; i++)
if (slot == cl->slots[i]) {
at *sloti = obj->slots[i];
if (i<cl->num_cslots)
sloti = eval(sloti);
if (prop)
return getslot(sloti, prop);
else
return sloti;
}
error(NIL, "not a slot", slot);
}
int main(int argc, char*argv[]) {
int fh_wtmp;
int fh_lastlog;
struct lastlog lastlog_ent;
struct utmp utmp_ent;
long userid[MAX_ID];
long i, slot;
int status = 0;
long wtmp_bytes_read;
struct stat wtmp_stat;
struct s_localpwd *localpwd;
uid_t *uid;
char wtmpfile[128], lastlogfile[128];
memcpy(wtmpfile, WTMP_FILENAME, 127);
memcpy(lastlogfile, LASTLOG_FILENAME, 127);
while (--argc && ++argv) /* poor man getopt */
{
if (!memcmp("-f", *argv, 2))
{
if (!--argc)
break;
++argv;
memcpy(wtmpfile, *argv, 127);
}
else if (!memcmp("-l", *argv, 2))
{
if (!--argc)
break;
++argv;
memcpy(lastlogfile, *argv, 127);
}
}
signal(SIGALRM, read_status);
alarm(5);
for (i=0; i<MAX_ID; i++)
userid[i]=FALSE;
if ((fh_lastlog=open(lastlogfile,O_RDONLY)) < 0) {
fprintf(stderr, "unable to open lastlog-file %s\n", lastlogfile);
return(1);
}
if ((fh_wtmp=open(wtmpfile,O_RDONLY)) < 0) {
fprintf(stderr, "unable to open wtmp-file %s\n", wtmpfile);
close(fh_lastlog);
return(2);
}
if (fstat(fh_wtmp,&wtmp_stat)) {
perror("chklastlog::main: ");
close(fh_lastlog);
close(fh_wtmp);
return(3);
}
wtmp_file_size = wtmp_stat.st_size;
localpwd = read_pwd();
while ((wtmp_bytes_read = read (fh_wtmp, &utmp_ent, sizeof (struct utmp))) >0) {
if (wtmp_bytes_read < sizeof(struct utmp))
{
fprintf(stderr, "wtmp entry may be corrupted");
break;
}
total_wtmp_bytes_read+=wtmp_bytes_read;
if ( !nonuser(utmp_ent) && strncmp(utmp_ent.ut_line, "ftp", 3) &&
(uid=localgetpwnam(localpwd,utmp_ent.ut_name)) != NULL )
{
if (*uid > MAX_ID)
{
fprintf(stderr, "MAX_ID is %ld and current uid is %ld, please check\n\r", MAX_ID, *uid );
exit (1);
}
if (!userid[*uid])
{
lseek(fh_lastlog, (long)*uid * sizeof (struct lastlog), 0);
if ((wtmp_bytes_read = read(fh_lastlog, &lastlog_ent, sizeof (struct lastlog))) > 0)
{
if (wtmp_bytes_read < sizeof(struct lastlog))
{
fprintf(stderr, "lastlog entry may be corrupted");
break;
}
if (lastlog_ent.ll_time == 0)
{
if (-1 != (slot = getslot(localpwd, *uid)))
printf("user %s deleted or never logged from lastlog!\n",
NULL != localpwd->uname[slot] ?
(char*)localpwd->uname[slot] : "(null)");
else
printf("deleted user uid(%d) not in passwd\n", *uid);
++status;
}
userid[*uid]=TRUE;
}
}
}
}
#if 0
printf("\n");
#endif
free_results(localpwd);
close(fh_wtmp);
close(fh_lastlog);
return(status);
}
