blob: 3794eb81357dc5a6bf4c8c5ddbf25c1a8a54c0d0 [file] [log] [blame]
#include <u.h>
#include <libc.h>
#include <fcall.h>
#include <thread.h>
#include <9p.h>
/*
* simplistic permission checking. assume that
* each user is the leader of her own group.
*/
int
hasperm(File *f, char *uid, int p)
{
int m;
m = f->dir.mode & 7; /* other */
if((p & m) == p)
return 1;
if(strcmp(f->dir.uid, uid) == 0) {
m |= (f->dir.mode>>6) & 7;
if((p & m) == p)
return 1;
}
if(strcmp(f->dir.gid, uid) == 0) {
m |= (f->dir.mode>>3) & 7;
if((p & m) == p)
return 1;
}
return 0;
}