1*cf5a6c84SAndroid Build Coastguard Worker /* groupdel.c - delete a group
2*cf5a6c84SAndroid Build Coastguard Worker *
3*cf5a6c84SAndroid Build Coastguard Worker * Copyright 2013 Ashwini Kumar <[email protected]>
4*cf5a6c84SAndroid Build Coastguard Worker * Copyright 2013 Kyungwan Han <[email protected]>
5*cf5a6c84SAndroid Build Coastguard Worker *
6*cf5a6c84SAndroid Build Coastguard Worker * See http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/groupdel.html
7*cf5a6c84SAndroid Build Coastguard Worker
8*cf5a6c84SAndroid Build Coastguard Worker USE_GROUPDEL(NEWTOY(groupdel, "<1>2?", TOYFLAG_NEEDROOT|TOYFLAG_SBIN))
9*cf5a6c84SAndroid Build Coastguard Worker USE_GROUPDEL(OLDTOY(delgroup, groupdel, TOYFLAG_NEEDROOT|TOYFLAG_SBIN))
10*cf5a6c84SAndroid Build Coastguard Worker
11*cf5a6c84SAndroid Build Coastguard Worker config GROUPDEL
12*cf5a6c84SAndroid Build Coastguard Worker bool "groupdel"
13*cf5a6c84SAndroid Build Coastguard Worker default n
14*cf5a6c84SAndroid Build Coastguard Worker help
15*cf5a6c84SAndroid Build Coastguard Worker usage: groupdel [USER] GROUP
16*cf5a6c84SAndroid Build Coastguard Worker
17*cf5a6c84SAndroid Build Coastguard Worker Delete a group or remove a user from a group
18*cf5a6c84SAndroid Build Coastguard Worker */
19*cf5a6c84SAndroid Build Coastguard Worker
20*cf5a6c84SAndroid Build Coastguard Worker #define FOR_groupdel
21*cf5a6c84SAndroid Build Coastguard Worker #include "toys.h"
22*cf5a6c84SAndroid Build Coastguard Worker
groupdel_main(void)23*cf5a6c84SAndroid Build Coastguard Worker void groupdel_main(void)
24*cf5a6c84SAndroid Build Coastguard Worker {
25*cf5a6c84SAndroid Build Coastguard Worker struct group *grp = xgetgrnam(toys.optargs[toys.optc-1]);
26*cf5a6c84SAndroid Build Coastguard Worker char *entry = 0;
27*cf5a6c84SAndroid Build Coastguard Worker
28*cf5a6c84SAndroid Build Coastguard Worker // delete user from group
29*cf5a6c84SAndroid Build Coastguard Worker if (toys.optc == 2) {
30*cf5a6c84SAndroid Build Coastguard Worker int i, len = 0, found = 0;
31*cf5a6c84SAndroid Build Coastguard Worker char *s;
32*cf5a6c84SAndroid Build Coastguard Worker
33*cf5a6c84SAndroid Build Coastguard Worker xgetpwnam(*toys.optargs);
34*cf5a6c84SAndroid Build Coastguard Worker if (grp->gr_mem) for (i = 0; grp->gr_mem[i]; i++) {
35*cf5a6c84SAndroid Build Coastguard Worker if (!found && !strcmp(*toys.optargs, grp->gr_mem[i])) found++;
36*cf5a6c84SAndroid Build Coastguard Worker else len += strlen(grp->gr_mem[i]) + 1;
37*cf5a6c84SAndroid Build Coastguard Worker }
38*cf5a6c84SAndroid Build Coastguard Worker if (!found)
39*cf5a6c84SAndroid Build Coastguard Worker error_exit("user '%s' not in group '%s'", *toys.optargs, toys.optargs[1]);
40*cf5a6c84SAndroid Build Coastguard Worker
41*cf5a6c84SAndroid Build Coastguard Worker entry = s = xmalloc(len);
42*cf5a6c84SAndroid Build Coastguard Worker for (i = 0; grp->gr_mem[i]; ) {
43*cf5a6c84SAndroid Build Coastguard Worker if (i) *(s++) = ',';
44*cf5a6c84SAndroid Build Coastguard Worker s = stpcpy(s, grp->gr_mem[i]);
45*cf5a6c84SAndroid Build Coastguard Worker }
46*cf5a6c84SAndroid Build Coastguard Worker
47*cf5a6c84SAndroid Build Coastguard Worker // delete group
48*cf5a6c84SAndroid Build Coastguard Worker } else {
49*cf5a6c84SAndroid Build Coastguard Worker struct passwd *pw;
50*cf5a6c84SAndroid Build Coastguard Worker
51*cf5a6c84SAndroid Build Coastguard Worker for (endpwent(); (pw = getpwent());)
52*cf5a6c84SAndroid Build Coastguard Worker if (pw->pw_gid == grp->gr_gid) break;
53*cf5a6c84SAndroid Build Coastguard Worker
54*cf5a6c84SAndroid Build Coastguard Worker if (pw) error_exit("can't remove primary group of user '%s'", pw->pw_name);
55*cf5a6c84SAndroid Build Coastguard Worker if (CFG_TOYBOX_FREE) endpwent();
56*cf5a6c84SAndroid Build Coastguard Worker }
57*cf5a6c84SAndroid Build Coastguard Worker
58*cf5a6c84SAndroid Build Coastguard Worker update_password("/etc/group", grp->gr_name, entry, 3);
59*cf5a6c84SAndroid Build Coastguard Worker update_password("/etc/gshadow", grp->gr_name, entry, 3);
60*cf5a6c84SAndroid Build Coastguard Worker if (CFG_TOYBOX_FREE) free(entry);
61*cf5a6c84SAndroid Build Coastguard Worker }
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