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-rw-r--r--toys/pending/groupadd.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/toys/pending/groupadd.c b/toys/pending/groupadd.c
index 04c31ee5..7df0a5c3 100644
--- a/toys/pending/groupadd.c
+++ b/toys/pending/groupadd.c
@@ -92,11 +92,12 @@ void groupadd_main(void)
update_password(SECURE_GROUP_PATH, grp->gr_name, entry);
free(entry);
} else { //new group to be created
+ char *s = *toys.optargs;
+
/* investigate the group to be created */
- if ((grp = getgrnam(*toys.optargs)))
- error_exit("group '%s' is in use", *toys.optargs);
- setlocale(LC_ALL, "C");
- is_valid_username(*toys.optargs);
+ if (getgrnam(s)) error_exit("'%s' in use", s);
+ if (s[strcspn(s, ":/\n")] || strlen(s) > LOGIN_NAME_MAX)
+ error_exit("bad name");
new_group();
}
}