Import of OpenSSH 3.6.1p1

[gssapi-openssh.git] / openssh / session.c

diff --git a/openssh/session.c b/openssh/session.c
index 9074525a4108bff85314206f9d812a63229c80f0..c75fea9669330b60fff51c01ede0c957099a008d 100644 (file)
--- a/openssh/session.c
+++ b/openssh/session.c
@@ -33,7 +33,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: session.c,v 1.150 2002/09/16 19:55:33 stevesk Exp $");
+RCSID("$OpenBSD: session.c,v 1.154 2003/03/05 22:33:43 markus Exp $");
 
 #include "ssh.h"
 #include "ssh1.h"
@@ -201,6 +201,8 @@ auth_input_request_forwarding(struct passwd * pw)
 void
 do_authenticated(Authctxt *authctxt)
 {
+       setproctitle("%s", authctxt->pw->pw_name);
+
        /*
         * Cancel the alarm we set to limit the time taken for
         * authentication.
@@ -689,7 +691,7 @@ do_pre_login(Session *s)
 
        record_utmp_only(pid, s->tty, s->pw->pw_name,
            get_remote_name_or_ip(utmp_len, options.verify_reverse_mapping),
-           (struct sockaddr *)&from);
+           (struct sockaddr *)&from, fromlen);
 }
 #endif
 
@@ -730,8 +732,8 @@ do_login(Session *s, const char *command)
         * the address be 0.0.0.0.
         */
        memset(&from, 0, sizeof(from));
+       fromlen = sizeof(from);
        if (packet_connection_is_on_socket()) {
-               fromlen = sizeof(from);
                if (getpeername(packet_get_connection_in(),
                    (struct sockaddr *) & from, &fromlen) < 0) {
                        debug("getpeername: %.100s", strerror(errno));
@@ -949,7 +951,7 @@ do_setup_env(Session *s, const char *shell)
 {
        char buf[256];
        u_int i, envsize;
-       char **env;
+       char **env, *laddr;
        struct passwd *pw = s->pw;
 
        /* Initialize the environment. */
@@ -969,6 +971,9 @@ do_setup_env(Session *s, const char *shell)
                /* Set basic environment. */
                child_set_env(&env, &envsize, "USER", pw->pw_name);
                child_set_env(&env, &envsize, "LOGNAME", pw->pw_name);
+#ifdef _AIX
+               child_set_env(&env, &envsize, "LOGIN", pw->pw_name);
+#endif
                child_set_env(&env, &envsize, "HOME", pw->pw_dir);
 #ifdef HAVE_LOGIN_CAP
                if (setusercontext(lc, pw, pw->pw_uid, LOGIN_SETPATH) < 0)
@@ -1025,9 +1030,10 @@ do_setup_env(Session *s, const char *shell)
            get_remote_ipaddr(), get_remote_port(), get_local_port());
        child_set_env(&env, &envsize, "SSH_CLIENT", buf);
 
+       laddr = get_local_ipaddr(packet_get_connection_in());
        snprintf(buf, sizeof buf, "%.50s %d %.50s %d",
-           get_remote_ipaddr(), get_remote_port(),
-           get_local_ipaddr(packet_get_connection_in()), get_local_port());
+           get_remote_ipaddr(), get_remote_port(), laddr, get_local_port());
+       xfree(laddr);
        child_set_env(&env, &envsize, "SSH_CONNECTION", buf);
 
        if (s->ttyfd != -1)
@@ -1146,8 +1152,10 @@ do_rc_files(Session *s, const char *shell)
                /* Add authority data to .Xauthority if appropriate. */
                if (debug_flag) {
                        fprintf(stderr,
-                           "Running %.500s add "
-                           "%.100s %.100s %.100s\n",
+                           "Running %.500s remove %.100s\n",
+                           options.xauth_location, s->auth_display);
+                       fprintf(stderr,
+                           "%.500s add %.100s %.100s %.100s\n",
                            options.xauth_location, s->auth_display,
                            s->auth_proto, s->auth_data);
                }
@@ -1155,6 +1163,8 @@ do_rc_files(Session *s, const char *shell)
                    options.xauth_location);
                f = popen(cmd, "w");
                if (f) {
+                       fprintf(f, "remove %s\n",
+                           s->auth_display);
                        fprintf(f, "add %s %s %s\n",
                            s->auth_display, s->auth_proto,
                            s->auth_data);
@@ -1187,6 +1197,7 @@ do_nologin(struct passwd *pw)
                while (fgets(buf, sizeof(buf), f))
                        fputs(buf, stderr);
                fclose(f);
+               fflush(NULL);
                exit(254);
        }
 }
@@ -1195,11 +1206,11 @@ do_nologin(struct passwd *pw)
 void
 do_setusercontext(struct passwd *pw)
 {
-#ifdef HAVE_CYGWIN
-       if (is_winnt) {
-#else /* HAVE_CYGWIN */
-       if (getuid() == 0 || geteuid() == 0) {
+#ifndef HAVE_CYGWIN
+       if (getuid() == 0 || geteuid() == 0)
 #endif /* HAVE_CYGWIN */
+       {
+
 #ifdef HAVE_SETPCRED
                setpcred(pw->pw_name);
 #endif /* HAVE_SETPCRED */
@@ -1249,6 +1260,10 @@ do_setusercontext(struct passwd *pw)
                permanently_set_uid(pw);
 #endif
        }
+
+#ifdef HAVE_CYGWIN
+       if (is_winnt)
+#endif
        if (getuid() != pw->pw_uid || geteuid() != pw->pw_uid)
                fatal("Failed to set uids to %u.", (u_int) pw->pw_uid);
 }
@@ -1306,7 +1321,7 @@ do_child(Session *s, const char *command)
         */
        if (!options.use_login) {
 #ifdef HAVE_OSF_SIA
-               session_setup_sia(pw->pw_name, s->ttyfd == -1 ? NULL : s->tty);
+               session_setup_sia(pw, s->ttyfd == -1 ? NULL : s->tty);
                if (!check_quietlogin(s, command))
                        do_motd();
 #else /* HAVE_OSF_SIA */
@@ -1320,12 +1335,17 @@ do_child(Session *s, const char *command)
         * legal, and means /bin/sh.
         */
        shell = (pw->pw_shell[0] == '\0') ? _PATH_BSHELL : pw->pw_shell;
+
+       /*
+        * Make sure $SHELL points to the shell from the password file,
+        * even if shell is overridden from login.conf
+        */
+       env = do_setup_env(s, shell);
+
 #ifdef HAVE_LOGIN_CAP
        shell = login_getcapstr(lc, "shell", (char *)shell, (char *)shell);
 #endif
 
-       env = do_setup_env(s, shell);
-
        /* we have to stash the hostname before we close our socket. */
        if (options.use_login)
                hostname = get_remote_name_or_ip(utmp_len,
@@ -1989,13 +2009,22 @@ session_tty_list(void)
 {
        static char buf[1024];
        int i;
+       char *cp;
+
        buf[0] = '\0';
        for (i = 0; i < MAX_SESSIONS; i++) {
                Session *s = &sessions[i];
                if (s->used && s->ttyfd != -1) {
+                       
+                       if (strncmp(s->tty, "/dev/", 5) != 0) {
+                               cp = strrchr(s->tty, '/');
+                               cp = (cp == NULL) ? s->tty : cp + 1;
+                       } else
+                               cp = s->tty + 5;
+                       
                        if (buf[0] != '\0')
                                strlcat(buf, ",", sizeof buf);
-                       strlcat(buf, strrchr(s->tty, '/') + 1, sizeof buf);
+                       strlcat(buf, cp, sizeof buf);
                }
        }
        if (buf[0] == '\0')