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pw: fix up deletion of users from groups

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Previuosly given 'foo,bar' members, removing 'foo' would result in an
infinite loop.

PR:		191427
Submitted by:	Voradesh Yenbut <yenbut cs.washington.edu>
MFC after:	1 week
This commit is contained in:
Mateusz Guzik 2014-06-27 18:51:19 +00:00
parent c04cdb5738
commit 75ad9daa46
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=267970
1 changed files with 3 additions and 4 deletions
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7
usr.sbin/pw/pw_user.c
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@ -438,14 +438,13 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args)
delgrent(GETGRNAM(a_name->val));
SETGRENT();
while ((grp = GETGRENT()) != NULL) {
int i;
int i, j;
char group[MAXLOGNAME];
if (grp->gr_mem != NULL) {
for (i = 0; grp->gr_mem[i] != NULL; i++) {
if (!strcmp(grp->gr_mem[i], a_name->val)) {
while (grp->gr_mem[i] != NULL) {
grp->gr_mem[i] = grp->gr_mem[i+1];
}
for (j = i; grp->gr_mem[j] != NULL; j++)
grp->gr_mem[j] = grp->gr_mem[j+1];
strlcpy(group, grp->gr_name, MAXLOGNAME);
chggrent(group, grp);
}