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20#define FOR_groupdel
21#include "toys.h"
22
23void groupdel_main(void)
24{
25 struct group *grp = xgetgrnam(toys.optargs[toys.optc-1]);
26 char *entry = 0;
27
28
29 if (toys.optc == 2) {
30 int i, len = 0, found = 0;
31 char *s;
32
33 xgetpwnam(*toys.optargs);
34 if (grp->gr_mem) for (i = 0; grp->gr_mem[i]; i++) {
35 if (!found && !strcmp(*toys.optargs, grp->gr_mem[i])) found++;
36 else len += strlen(grp->gr_mem[i]) + 1;
37 }
38 if (!found)
39 error_exit("user '%s' not in group '%s'", *toys.optargs, toys.optargs[1]);
40
41 entry = s = xmalloc(len);
42 for (i = 0; grp->gr_mem[i]; ) {
43 if (i) *(s++) = ',';
44 s = stpcpy(s, grp->gr_mem[i]);
45 }
46
47
48 } else {
49 struct passwd *pw;
50
51 for (endpwent(); (pw = getpwent());)
52 if (pw->pw_gid == grp->gr_gid) break;
53
54 if (pw) error_exit("can't remove primary group of user '%s'", pw->pw_name);
55 if (CFG_TOYBOX_FREE) endpwent();
56 }
57
58 update_password("/etc/group", grp->gr_name, entry);
59 update_password("/etc/gshadow", grp->gr_name, entry);
60 if (CFG_TOYBOX_FREE) free(entry);
61}
62