rpms/openssh/devel openssh-5.2p1-homechroot.patch, 1.2, 1.3 openssh.spec, 1.148, 1.149
Jan F. Chadima
jfch2222 at fedoraproject.org
Sat Jun 27 06:24:04 UTC 2009
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Author: jfch2222
Update of /cvs/pkgs/rpms/openssh/devel
In directory cvs1.fedora.phx.redhat.com:/tmp/cvs-serv23229
Modified Files:
openssh-5.2p1-homechroot.patch openssh.spec
Log Message:
final version chroot %%h (sftp only)
openssh-5.2p1-homechroot.patch:
Index: openssh-5.2p1-homechroot.patch
===================================================================
RCS file: /cvs/pkgs/rpms/openssh/devel/openssh-5.2p1-homechroot.patch,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -p -r1.2 -r1.3
--- openssh-5.2p1-homechroot.patch 23 Jun 2009 17:59:23 -0000 1.2
+++ openssh-5.2p1-homechroot.patch 27 Jun 2009 06:24:04 -0000 1.3
@@ -1,16 +1,66 @@
+diff -up /dev/null openssh-5.2p1/chrootenv.h
+--- /dev/null 2009-06-11 17:05:12.257284457 +0200
++++ openssh-5.2p1/chrootenv.h 2009-06-26 22:51:32.627222598 +0200
+@@ -0,0 +1,33 @@
++/* $OpenBSD: session.h,v 1.30 2008/05/08 12:21:16 djm Exp $ */
++
++/*
++ * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
++ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
++ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
++ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
++ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
++ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
++ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
++ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++ */
++#ifndef CHROOTENV_H
++#define CHROOTENV_H
++
++extern int chroot_no_tree;
++extern time_t timezone_diff;
++
++#endif
++
diff -up openssh-5.2p1/session.c.homechroot openssh-5.2p1/session.c
---- openssh-5.2p1/session.c.homechroot 2009-06-23 11:33:36.052163641 +0200
-+++ openssh-5.2p1/session.c 2009-06-23 11:33:36.372159228 +0200
-@@ -1398,6 +1398,8 @@ do_nologin(struct passwd *pw)
- }
- }
+--- openssh-5.2p1/session.c.homechroot 2009-06-26 22:51:32.327168352 +0200
++++ openssh-5.2p1/session.c 2009-06-27 07:37:49.181631924 +0200
+@@ -119,6 +119,9 @@ void do_child(Session *, const char *);
+ void do_motd(void);
+ int check_quietlogin(Session *, const char *);
+int chroot_no_tree = 0;
++time_t timezone_diff;
+
- /*
- * Chroot into a directory after checking it for safety: all path components
- * must be root-owned directories with strict permissions.
-@@ -1408,6 +1410,7 @@ safely_chroot(const char *path, uid_t ui
+ static void do_authenticated1(Authctxt *);
+ static void do_authenticated2(Authctxt *);
+
+@@ -784,6 +787,11 @@ do_exec(Session *s, const char *command)
+ {
+ int ret;
+
++ if ((s->is_subsystem != SUBSYSTEM_INT_SFTP) && chroot_no_tree) {
++ logit("You aren't welcomed, go away!");
++ exit (1);
++ }
++
+ if (options.adm_forced_command) {
+ original_command = command;
+ command = options.adm_forced_command;
+@@ -1408,6 +1416,7 @@ safely_chroot(const char *path, uid_t ui
const char *cp;
char component[MAXPATHLEN];
struct stat st;
@@ -18,7 +68,7 @@ diff -up openssh-5.2p1/session.c.homechr
if (*path != '/')
fatal("chroot path does not begin at root");
-@@ -1419,7 +1422,7 @@ safely_chroot(const char *path, uid_t ui
+@@ -1419,7 +1428,7 @@ safely_chroot(const char *path, uid_t ui
* root-owned directory with strict permissions.
*/
for (cp = path; cp != NULL;) {
@@ -27,7 +77,7 @@ diff -up openssh-5.2p1/session.c.homechr
strlcpy(component, path, sizeof(component));
else {
cp++;
-@@ -1432,13 +1435,15 @@ safely_chroot(const char *path, uid_t ui
+@@ -1432,16 +1441,26 @@ safely_chroot(const char *path, uid_t ui
if (stat(component, &st) != 0)
fatal("%s: stat(\"%s\"): %s", __func__,
component, strerror(errno));
@@ -39,39 +89,113 @@ diff -up openssh-5.2p1/session.c.homechr
if (!S_ISDIR(st.st_mode))
fatal("chroot path %s\"%s\" is not a directory",
cp == NULL ? "" : "component ", component);
-+ if (st.st_uid != uid)
-+ ++chroot_no_tree;
++ }
++ {
++ struct tm *tm;
++ time_t bou = time (NULL);
++ tm = localtime (&bou);
++ timezone_diff = tm->tm_gmtoff;
++ debug ("timezone_diff %ld\n", timezone_diff);
}
-diff -up openssh-5.2p1/sftp-server.c.homechroot openssh-5.2p1/sftp-server.c
---- openssh-5.2p1/sftp-server.c.homechroot 2008-07-04 06:10:19.000000000 +0200
-+++ openssh-5.2p1/sftp-server.c 2009-06-23 11:33:36.374154561 +0200
-@@ -887,6 +887,7 @@ process_opendir(void)
- static void
- process_readdir(void)
- {
-+ extern int chroot_no_tree;
- DIR *dirp;
- struct dirent *dp;
- char *path;
-@@ -920,7 +921,7 @@ process_readdir(void)
- continue;
- stat_to_attrib(&st, &(stats[count].attrib));
- stats[count].name = xstrdup(dp->d_name);
-- stats[count].long_name = ls_file(dp->d_name, &st, 0);
-+ stats[count].long_name = ls_file(dp->d_name, &st, chroot_no_tree);
- count++;
- /* send up to 100 entries in one message */
- /* XXX check packet size instead */
++ if (st.st_uid != uid)
++ ++chroot_no_tree;
++
+ if (chdir(path) == -1)
+ fatal("Unable to chdir to chroot path \"%s\": "
+ "%s", path, strerror(errno));
+@@ -1451,6 +1470,10 @@ safely_chroot(const char *path, uid_t ui
+ if (chdir("/") == -1)
+ fatal("%s: chdir(/) after chroot: %s",
+ __func__, strerror(errno));
++
++ if (access ("/etc/localtime", R_OK) < 0)
++ ++chroot_no_tree;
++
+ verbose("Changed root directory to \"%s\"", path);
+ }
+
+diff -up openssh-5.2p1/sftp.c.homechroot openssh-5.2p1/sftp.c
+--- openssh-5.2p1/sftp.c.homechroot 2009-02-14 06:26:19.000000000 +0100
++++ openssh-5.2p1/sftp.c 2009-06-26 22:51:32.635287402 +0200
+@@ -94,6 +94,9 @@ int remote_glob(struct sftp_conn *, cons
+
+ extern char *__progname;
+
++int chroot_no_tree = 0;
++time_t timezone_diff;
++
+ /* Separators for interactive commands */
+ #define WHITESPACE " \t\r\n"
+
+diff -up openssh-5.2p1/sftp-common.c.homechroot openssh-5.2p1/sftp-common.c
+--- openssh-5.2p1/sftp-common.c.homechroot 2006-08-05 04:39:40.000000000 +0200
++++ openssh-5.2p1/sftp-common.c 2009-06-26 22:51:32.637218948 +0200
+@@ -40,6 +40,7 @@
+ #include "xmalloc.h"
+ #include "buffer.h"
+ #include "log.h"
++#include "chrootenv.h"
+
+ #include "sftp.h"
+ #include "sftp-common.h"
+@@ -180,6 +181,18 @@ fx2txt(int status)
+ /* NOTREACHED */
+ }
+
++static struct tm *
++x_localtime (time_t *t)
++{
++ if (chroot_no_tree) {
++ time_t t2 = *t + timezone_diff;
++
++ return gmtime (&t2);
++ } else {
++ return localtime (t);
++ }
++}
++
+ /*
+ * drwxr-xr-x 5 markus markus 1024 Jan 13 18:39 .ssh
+ */
+@@ -189,18 +202,18 @@ ls_file(const char *name, const struct s
+ int ulen, glen, sz = 0;
+ struct passwd *pw;
+ struct group *gr;
+- struct tm *ltime = localtime(&st->st_mtime);
++ struct tm *ltime = x_localtime(&st->st_mtime);
+ char *user, *group;
+ char buf[1024], mode[11+1], tbuf[12+1], ubuf[11+1], gbuf[11+1];
+
+ strmode(st->st_mode, mode);
+- if (!remote && (pw = getpwuid(st->st_uid)) != NULL) {
++ if (!remote && !chroot_no_tree && (pw = getpwuid(st->st_uid)) != NULL) {
+ user = pw->pw_name;
+ } else {
+ snprintf(ubuf, sizeof ubuf, "%u", (u_int)st->st_uid);
+ user = ubuf;
+ }
+- if (!remote && (gr = getgrgid(st->st_gid)) != NULL) {
++ if (!remote && !chroot_no_tree && (gr = getgrgid(st->st_gid)) != NULL) {
+ group = gr->gr_name;
+ } else {
+ snprintf(gbuf, sizeof gbuf, "%u", (u_int)st->st_gid);
diff -up openssh-5.2p1/sftp-server-main.c.homechroot openssh-5.2p1/sftp-server-main.c
--- openssh-5.2p1/sftp-server-main.c.homechroot 2009-02-21 22:47:02.000000000 +0100
-+++ openssh-5.2p1/sftp-server-main.c 2009-06-23 11:33:36.378159051 +0200
-@@ -27,6 +27,8 @@
++++ openssh-5.2p1/sftp-server-main.c 2009-06-26 22:51:32.639217850 +0200
+@@ -22,11 +22,15 @@
+ #include <stdarg.h>
+ #include <stdio.h>
+ #include <unistd.h>
++#include <time.h>
+
+ #include "log.h"
#include "sftp.h"
#include "misc.h"
-+int chroot_no_tree = 0;
++int chroot_no_tree = 0;
++time_t timezone_diff;
+
void
cleanup_exit(int i)
Index: openssh.spec
===================================================================
RCS file: /cvs/pkgs/rpms/openssh/devel/openssh.spec,v
retrieving revision 1.148
retrieving revision 1.149
diff -u -p -r1.148 -r1.149
--- openssh.spec 23 Jun 2009 17:59:23 -0000 1.148
+++ openssh.spec 27 Jun 2009 06:24:04 -0000 1.149
@@ -63,7 +63,7 @@
Summary: An open source implementation of SSH protocol versions 1 and 2
Name: openssh
Version: 5.2p1
-Release: 9%{?dist}%{?rescue_rel}
+Release: 10%{?dist}%{?rescue_rel}
URL: http://www.openssh.com/portable.html
#Source0: ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-%{version}.tar.gz
#Source1: ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-%{version}.tar.gz.asc
@@ -466,6 +466,9 @@ fi
%endif
%changelog
+* Sat Jun 27 2009 Jan F. Chadima <jchadima at redhat.com> - 5.2p1-10
+- final version chroot %%h (sftp only)
+
* Tue Jun 23 2009 Jan F. Chadima <jchadima at redhat.com> - 5.2p1-9
- repair broken ls in chroot %%h
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