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-rw-r--r--loginutils/addgroup.c17
-rw-r--r--loginutils/adduser.c2
2 files changed, 17 insertions, 2 deletions
diff --git a/loginutils/addgroup.c b/loginutils/addgroup.c
index e49278efe..215e4a9e0 100644
--- a/loginutils/addgroup.c
+++ b/loginutils/addgroup.c
@@ -79,7 +79,22 @@ static void new_group(char *group, gid_t gid)
if (ENABLE_FEATURE_CLEAN_UP)
free(p);
#if ENABLE_FEATURE_SHADOWPASSWDS
- /* Ignore errors: if file is missing we suppose admin doesn't want it */
+ /* /etc/gshadow fields:
+ * 1. Group name.
+ * 2. Encrypted password.
+ * If set, non-members of the group can join the group
+ * by typing the password for that group using the newgrp command.
+ * If the value is of this field ! then no user is allowed
+ * to access the group using the newgrp command. A value of !!
+ * is treated the same as a value of ! only it indicates
+ * that a password has never been set before. If the value is null,
+ * only group members can log into the group.
+ * 3. Group administrators (comma delimited list).
+ * Group members listed here can add or remove group members
+ * using the gpasswd command.
+ * 4. Group members (comma delimited list).
+ */
+ /* Ignore errors: if file is missing we assume admin doesn't want it */
update_passwd(bb_path_gshadow_file, group, "!::", NULL);
#endif
}
diff --git a/loginutils/adduser.c b/loginutils/adduser.c
index 136dcdff8..0e9936ad1 100644
--- a/loginutils/adduser.c
+++ b/loginutils/adduser.c
@@ -177,7 +177,7 @@ int adduser_main(int argc UNUSED_PARAM, char **argv)
* 5. maximum days password is valid
* 6. days before password is to expire that user is warned
* 7. days after password expires that account is disabled
- * 8. unix date when login expires (may no longer be used)
+ * 8. unix date when login expires (i.e. when it may no longer be used)
*/
/* fields: 2 3 4 5 6 78 */
p = xasprintf("!:%u:0:99999:7:::", (unsigned)(time(NULL)) / (24*60*60));