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new uid world

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rsc 2006-06-12 17:51:56 +00:00
parent 63fcc2bc3c
commit ca786c9f4e
1 changed files with 12 additions and 1 deletions
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13
src/lib9/getns.c
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@ -2,6 +2,17 @@
#include <libc.h>
#include <ctype.h>
static int
isme(char *uid)
{
int n;
char *p;
n = strtol(uid, &p, 10);
if(*p == 0 && p > uid)
return n == getuid();
return strcmp(getuser(), uid) == 0;
}
/*
* Absent other hints, it works reasonably well to use
* the X11 display name as the name space identifier.
@ -48,7 +59,7 @@ nsfromdisplay(void)
free(p);
return nil;
}
if((d->mode&0777) != 0700 || strcmp(d->uid, getuser()) != 0){
if((d->mode&0777) != 0700 || !isme(d->uid)){
werrstr("bad name space dir %s", p);
free(p);
free(d);