#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; | |
} |