|
|
1.1 root 1: /*
2: * chown uid[,gid] file ...
3: */
4:
5: #include <stdio.h>
6: #include <ctype.h>
7: #include <sys/types.h>
8: #include <sys/stat.h>
9: #include <pwd.h>
10: #include <grp.h>
11:
12: struct passwd *getpwnam();
13: struct group *getgrnam();
14:
15: main (argc, argv)
16: char *argv[];
17: {
18: register c;
19: register char *cuid, *cgid;
20: int uid, gid, status;
21: struct stat stbuf;
22: struct passwd *pwd;
23: struct group *grp;
24:
25: if (argc < 3) {
26: printf("usage: chown uid[,gid] file ...\n");
27: exit(4);
28: }
29:
30: cuid = cgid = argv[1];
31:
32: /* split the first argument into uid and gid parts */
33: while (*cgid != '\0' && *cgid != ',')
34: cgid++;
35: if (*cgid == ',')
36: *cgid++ = '\0';
37: else
38: cgid = NULL;
39:
40: if (isnumber(cuid))
41: uid = atoi(cuid);
42: else {
43: if ((pwd = getpwnam (cuid)) == NULL) {
44: printf ("unknown user id: %s\n", cuid);
45: exit (4);
46: }
47: uid = pwd->pw_uid;
48: }
49:
50: if (cgid) {
51: if (isnumber (cgid))
52: gid = atoi (cgid);
53: else {
54: if ((grp = getgrnam (cgid)) == NULL) {
55: printf ("unknown group id: %s\n", cgid);
56: exit (4);
57: }
58: gid = grp->gr_gid;
59: }
60: }
61:
62: for(c=2; c<argc; c++) {
63: stat(argv[c], &stbuf);
64: if(chown(argv[c], uid, cgid? gid: stbuf.st_gid) < 0) {
65: perror(argv[c]);
66: status = 1;
67: }
68: }
69: exit(status);
70: }
71:
72: isnumber(s)
73: char *s;
74: {
75: register c;
76:
77: while(c = *s++)
78: if(!isdigit(c))
79: return(0);
80: return(1);
81: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.