void
readalljobs(void)
{
User *u;
Dir *d, *du;
char file[128];
int i, n, fd;
fd = open("/cron", OREAD);
if(fd < 0)
fatal("can't open /cron: %r");
while((n = dirread(fd, &d)) > 0){
for(i = 0; i < n; i++){
if(strcmp(d[i].name, "log") == 0 ||
!(d[i].qid.type & QTDIR))
continue;
if(strcmp(d[i].name, d[i].uid) != 0){
syslog(1, CRONLOG, "cron for %s owned by %s",
d[i].name, d[i].uid);
continue;
}
u = newuser(d[i].name);
snprint(file, sizeof file, "/cron/%s/cron", d[i].name);
du = dirstat(file);
if(du == nil || qidcmp(u->lastqid, du->qid) != 0){
freejobs(u->jobs);
u->jobs = readjobs(file, u);
}
free(du);
}
free(d);
}
close(fd);
}
static int
xdirread0(char **path, int (*namecmp)(char *, char *), Dir **d)
{
XDir *x, *p;
int fd, n;
Dir *t;
t = nil;
for(p = nil, x = xdirlist; x; p=x, x=x->next){
if(namecmp(x->path, *path))
continue;
if(x == xdirlist)
xdirlist = x->next;
else
p->next = x->next;
while(t = dirstat(x->path)){
if(qidcmp(&t->qid, &x->qid))
break;
free(t);
x->next = xdirlist;
xdirlist = x;
if(strcmp(x->path, *path)){
free(*path);
*path = strdup(x->path);
}
if(d) *d = x->dir;
return x->ndir;
}
xdircount--;
freexdir(x);
break;
}
if((fd = open(*path, OREAD)) < 0){
free(t);
if(t = xdirstat0(path, namecmp, "directory entry not found"))
fd = open(*path, OREAD);
} else if(t == nil)
t = dirfstat(fd);
n = -1;
if(fd < 0 || t == nil)
goto out;
if((t->qid.type & QTDIR) == 0){
werrstr("not a directory");
goto out;
}
if((n = dirreadall(fd, d)) < 0)
goto out;
if(xdircount >= 8){
xdircount--;
for(p = xdirlist, x = xdirlist->next; x->next; p = x, x = x->next)
;
p->next = nil;
freexdir(x);
}
x = mallocz(sizeof(*x), 1);
x->qid = t->qid;
x->path = strdup(*path);
x->ndir = n;
x->dir = *d;
x->next = xdirlist;
xdirlist = x;
xdircount++;
out:
if(fd >= 0)
close(fd);
free(t);
return n;
}
