passwd + /etc/shadow: chage "change time" field too

function                                             old     new   delta
update_passwd                                       1171    1270     +99

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/loginutils/adduser.c b/loginutils/adduser.c
index 00232375b..136dcdff8 100644
--- a/loginutils/adduser.c
+++ b/loginutils/adduser.c
@@ -169,7 +169,18 @@ int adduser_main(int argc UNUSED_PARAM, char **argv)
                 free(p);
 
 #if ENABLE_FEATURE_SHADOWPASSWDS
-        p = xasprintf("!:%u:0:99999:7:::", (unsigned)(time(NULL) / 86400)); /* sp->sp_lstchg */
+        /* /etc/shadow fields:
+         * 1. username
+         * 2. encrypted password
+         * 3. last password change (unix date (unix time/24*60*60))
+         * 4. minimum days required between password changes
+         * 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)
+         */
+        /* fields:     2 3  4 5     6 78 */
+        p = xasprintf("!:%u:0:99999:7:::", (unsigned)(time(NULL)) / (24*60*60));
         /* ignore errors: if file is missing we suppose admin doesn't want it */
         update_passwd(bb_path_shadow_file, pw.pw_name, p, NULL);
         if (ENABLE_FEATURE_CLEAN_UP)