diff options
Diffstat (limited to 'sshlogin.c')
| -rw-r--r-- | sshlogin.c | 43 |
1 files changed, 42 insertions, 1 deletions
@@ -39,9 +39,15 @@ */ #include "includes.h" -RCSID("$OpenBSD: sshlogin.c,v 1.9 2004/07/03 05:11:33 dtucker Exp $"); +RCSID("$OpenBSD: sshlogin.c,v 1.10 2004/07/17 05:31:41 dtucker Exp $"); #include "loginrec.h" +#include "log.h" +#include "buffer.h" +#include "servconf.h" + +extern Buffer loginmsg; +extern ServerOptions options; /* * Returns the time when the user last logged in. Returns 0 if the @@ -60,6 +66,38 @@ get_last_login_time(uid_t uid, const char *logname, } /* + * Generate and store last login message. This must be done before + * login_login() is called and lastlog is updated. + */ +void +store_lastlog_message(const char *user, uid_t uid) +{ + char *time_string, hostname[MAXHOSTNAMELEN] = "", buf[512]; + time_t last_login_time; + +#ifndef NO_SSH_LASTLOG + if (!options.print_lastlog) + return; + + last_login_time = get_last_login_time(uid, user, hostname, + sizeof(hostname)); + + if (last_login_time != 0) { + time_string = ctime(&last_login_time); + if (strchr(time_string, '\n')) + *strchr(time_string, '\n') = '\0'; + if (strcmp(hostname, "") == 0) + snprintf(buf, sizeof(buf), "Last login: %s\r\n", + time_string); + else + snprintf(buf, sizeof(buf), "Last login: %s from %s\r\n", + time_string, hostname); + buffer_append(&loginmsg, buf, strlen(buf)); + } +#endif /* NO_SSH_LASTLOG */ +} + +/* * Records that the user has logged in. I wish these parts of operating * systems were more standardized. */ @@ -69,6 +107,9 @@ record_login(pid_t pid, const char *tty, const char *user, uid_t uid, { struct logininfo *li; + /* save previous login details before writing new */ + store_lastlog_message(user, uid); + li = login_alloc_entry(pid, user, host, tty); login_set_addr(li, addr, addrlen); login_login(li); |