1 be8b315d 2004-06-17 devnull #include <u.h>
2 be8b315d 2004-06-17 devnull #include <libc.h>
3 be8b315d 2004-06-17 devnull #include <bio.h>
4 be8b315d 2004-06-17 devnull #include <auth.h>
7 be8b315d 2004-06-17 devnull * see if user is in the group noworld, i.e., has all file
8 be8b315d 2004-06-17 devnull * priviledges masked with 770, and all directories with
9 be8b315d 2004-06-17 devnull * 771, before checking access rights
12 be8b315d 2004-06-17 devnull noworld(char *user)
14 be8b315d 2004-06-17 devnull Biobuf *b;
18 be8b315d 2004-06-17 devnull b = Bopen("/adm/users", OREAD);
19 be8b315d 2004-06-17 devnull if(b == nil)
20 be8b315d 2004-06-17 devnull return 0;
21 be8b315d 2004-06-17 devnull while((p = Brdline(b, '\n')) != nil){
22 be8b315d 2004-06-17 devnull p[Blinelen(b)-1] = 0;
23 be8b315d 2004-06-17 devnull p = strchr(p, ':');
24 be8b315d 2004-06-17 devnull if(p == nil)
25 be8b315d 2004-06-17 devnull continue;
26 be8b315d 2004-06-17 devnull if(strncmp(p, ":noworld:", 9) == 0){
31 be8b315d 2004-06-17 devnull n = strlen(user);
32 be8b315d 2004-06-17 devnull while(p != nil && *p != 0){
33 be8b315d 2004-06-17 devnull p = strstr(p, user);
34 be8b315d 2004-06-17 devnull if(p == nil)
36 be8b315d 2004-06-17 devnull if(*(p-1) == ':' || *(p-1) == ',')
37 be8b315d 2004-06-17 devnull if(*(p+n) == ':' || *(p+n) == ',' || *(p+n) == 0){
38 be8b315d 2004-06-17 devnull Bterm(b);
39 be8b315d 2004-06-17 devnull return 1;
43 be8b315d 2004-06-17 devnull Bterm(b);
44 be8b315d 2004-06-17 devnull return 0;