--- /usr/ports/distfiles/OpenSSH-1.2/src/usr.bin/ssh/sshd.c Sun Nov 28 16:50:26 1999 +++ sshd.c Sun Nov 28 17:22:27 1999 @@ -32,6 +32,16 @@ int deny_severity = LOG_WARNING; #endif /* LIBWRAP */ +#ifdef __FreeBSD__ +#include +#include +#define LOGIN_CAP +#endif /* __FreeBSD__ */ + +#ifdef LOGIN_CAP +#include +#endif /* LOGIN_CAP */ + #ifndef O_NOCTTY #define O_NOCTTY 0 #endif @@ -1048,6 +1058,14 @@ return 0; } } + /* Fail if the account's expiration time has passed. */ + if (pw->pw_expire != 0) { + struct timeval tv; + + (void)gettimeofday(&tv, NULL); + if (tv.tv_sec >= pw->pw_expire) + return 0; + } /* We found no reason not to let this user try to log on... */ return 1; } @@ -1083,6 +1101,9 @@ pwcopy.pw_gid = pw->pw_gid; pwcopy.pw_dir = xstrdup(pw->pw_dir); pwcopy.pw_shell = xstrdup(pw->pw_shell); + pwcopy.pw_class = xstrdup(pw->pw_class); + pwcopy.pw_expire = pw->pw_expire; + pwcopy.pw_change = pw->pw_change; pw = &pwcopy; /* @@ -1871,6 +1892,10 @@ struct sockaddr_in from; int fromlen; struct pty_cleanup_context cleanup_context; +#ifdef LOGIN_CAP + login_cap_t *lc; + char *fname; +#endif /* LOGIN_CAP */ /* Get remote host name. */ hostname = get_canonical_hostname(); @@ -1935,6 +1960,12 @@ /* Check if .hushlogin exists. */ snprintf(line, sizeof line, "%.200s/.hushlogin", pw->pw_dir); quiet_login = stat(line, &st) >= 0; +#ifdef LOGIN_CAP + lc = login_getpwclass(pw); + if (lc == NULL) + lc = login_getclassbyname(NULL, pw); + quiet_login = login_getcapbool(lc, "hushlogin", quiet_login); +#endif /* LOGIN_CAP */ /* * If the user has logged in before, display the time of last @@ -1958,6 +1989,20 @@ else printf("Last login: %s from %s\r\n", time_string, buf); } +#ifdef LOGIN_CAP + if (command == NULL && !quiet_login && !options.use_login) { + fname = login_getcapstr(lc, "copyright", NULL, NULL); + if (fname != NULL && (f = fopen(fname, "r")) != NULL) { + while (fgets(line, sizeof(line), f) != NULL) + fputs(line, stdout); + fclose(f); + } else + (void)printf("%s\n\t%s %s\n", + "Copyright (c) 1980, 1983, 1986, 1988, 1990, 1991, 1993, 1994", + "The Regents of the University of California. ", + "All rights reserved."); + } +#endif /* LOGIN_CAP */ /* * Print /etc/motd unless a command was specified or printing * it was disabled in server options or login(1) will be @@ -1966,14 +2011,22 @@ */ if (command == NULL && options.print_motd && !quiet_login && !options.use_login) { - /* Print /etc/motd if it exists. */ +#ifdef LOGIN_CAP + fname = login_getcapstr(lc, "welcome", NULL, NULL); + login_close(lc); + if (fname == NULL || (f = fopen(fname, "r")) == NULL) + f = fopen("/etc/motd", "r"); +#else /* LOGIN_CAP */ f = fopen("/etc/motd", "r"); +#endif /* LOGIN_CAP */ + /* Print /etc/motd if it exists. */ if (f) { while (fgets(line, sizeof(line), f)) fputs(line, stdout); fclose(f); } } + /* Do common processing for the child, such as execing the command. */ do_child(command, pw, term, display, auth_proto, auth_data, ttyname); /* NOTREACHED */ @@ -2117,15 +2170,34 @@ extern char **environ; struct stat st; char *argv[10]; +#ifdef LOGIN_CAP + login_cap_t *lc; + + lc = login_getpwclass(pw); + if (lc == NULL) + lc = login_getclassbyname(NULL, pw); +#endif /* LOGIN_CAP */ f = fopen("/etc/nologin", "r"); +#ifdef __FreeBSD__ + if (f == NULL) + f = fopen("/var/run/nologin", "r"); +#endif /* __FreeBSD__ */ if (f) { /* /etc/nologin exists. Print its contents and exit. */ - while (fgets(buf, sizeof(buf), f)) - fputs(buf, stderr); - fclose(f); - if (pw->pw_uid != 0) - exit(254); +#ifdef LOGIN_CAP + /* On FreeBSD, etc., allow overriding nologin via login.conf. */ + if (!login_getcapbool(lc, "ignorenologin", 0)) { +#else /* LOGIN_CAP */ + if (1) { +#endif /* LOGIN_CAP */ + while (fgets(buf, sizeof(buf), f)) + fputs(buf, stderr); + fclose(f); + if (pw->pw_uid != 0) + exit(254); + } + } /* Set login name in the kernel. */ if (setlogin(pw->pw_name) < 0) @@ -2135,6 +2207,13 @@ /* Login(1) does this as well, and it needs uid 0 for the "-h" switch, so we let login(1) to this for us. */ if (!options.use_login) { +#ifdef LOGIN_CAP + if (setclasscontext(pw->pw_class, LOGIN_SETPRIORITY | + LOGIN_SETRESOURCES | LOGIN_SETUMASK) == -1) { + perror("setclasscontext"); + exit(1); + } +#endif /* LOGIN_CAP */ if (getuid() == 0 || geteuid() == 0) { if (setgid(pw->pw_gid) < 0) { perror("setgid"); @@ -2157,7 +2236,14 @@ * Get the shell from the password data. An empty shell field is * legal, and means /bin/sh. */ +#ifdef LOGIN_CAP + shell = pw->pw_shell; + shell = login_getcapstr(lc, "shell", shell, shell); + if (shell[0] == '\0') + shell = _PATH_BSHELL; +#else /* LOGIN_CAP */ shell = (pw->pw_shell[0] == '\0') ? _PATH_BSHELL : pw->pw_shell; +#endif /* LOGIN_CAP */ #ifdef AFS /* Try to get AFS tokens for the local cell. */ @@ -2181,7 +2267,12 @@ child_set_env(&env, &envsize, "USER", pw->pw_name); child_set_env(&env, &envsize, "LOGNAME", pw->pw_name); child_set_env(&env, &envsize, "HOME", pw->pw_dir); +#ifdef LOGIN_CAP + child_set_env(&env, &envsize, "PATH", + login_getpath(lc, "path", _PATH_STDPATH)); +#else /* LOGIN_CAP */ child_set_env(&env, &envsize, "PATH", _PATH_STDPATH); +#endif /* LOGIN_CAP */ snprintf(buf, sizeof buf, "%.200s/%.50s", _PATH_MAILDIR, pw->pw_name); @@ -2271,6 +2362,9 @@ */ endpwent(); endhostent(); +#ifdef LOGIN_CAP + login_close(lc); +#endif /* LOGIN_CAP */ /* * Close any extra open file descriptors so that we don\'t have them @@ -2278,7 +2372,7 @@ * initgroups, because at least on Solaris 2.3 it leaves file * descriptors open. */ - for (i = 3; i < 64; i++) + for (i = 3; i < getdtablesize(); i++) close(i); /* Change current directory to the user\'s home directory. */ @@ -2297,6 +2391,26 @@ * in this order). */ if (!options.use_login) { +#ifdef __FreeBSD__ + /* + * If the password change time is set and has passed, give the + * user a password expiry notice and chance to change it. + */ + if (pw->pw_change != 0) { + struct timeval tv; + + (void)gettimeofday(&tv, NULL); + if (tv.tv_sec >= pw->pw_change) { + (void)printf( + "Sorry -- your password has expired.\n"); + syslog(LOG_INFO, + "%s Password expired - forcing change", + pw->pw_name); + if (system("/usr/bin/passwd") != 0) + perror("/usr/bin/passwd"); + } + } +#endif /* __FreeBSD__ */ if (stat(SSH_USER_RC, &st) >= 0) { if (debug_flag) fprintf(stderr, "Running /bin/sh %s\n", SSH_USER_RC);