Fixed chroot issue, bug #299521.

Package-Manager: portage-2.1.7.16/cvs/Linux x86_64

1 files changed, 300 insertions, 0 deletions

diff --git a/net-misc/scponly/scponly-4.8-r4.ebuild b/net-misc/scponly/scponly-4.8-r4.ebuild
new file mode 100644
index 000000000000..360d012e4795
--- /dev/null
+++ b/net-misc/scponly/scponly-4.8-r4.ebuild
@@ -0,0 +1,300 @@
+# Copyright 1999-2010 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/net-misc/scponly/scponly-4.8-r4.ebuild,v 1.1 2010/01/23 03:18:06 matsuu Exp $
+
+EAPI="1"
+inherit eutils multilib toolchain-funcs
+
+DESCRIPTION="A tiny pseudoshell which only permits scp and sftp"
+HOMEPAGE="http://www.sublimation.org/scponly/"
+SRC_URI="mirror://sourceforge/scponly/${P}.tgz"
+
+LICENSE="as-is"
+SLOT="0"
+KEYWORDS="~amd64 ~mips ~ppc ~sparc ~x86"
+IUSE="+sftp scp winscp gftp rsync unison subversion wildcards quota passwd logging"
+
+RDEPEND="sys-apps/sed
+	net-misc/openssh
+	quota? ( sys-fs/quota )
+	!mips? ( passwd? ( sys-apps/shadow ) )
+	rsync? ( net-misc/rsync )
+	!mips? ( unison? ( net-misc/unison ) )
+	subversion? ( dev-util/subversion )"
+DEPEND="${RDEPEND}"
+
+myuser="scponly"
+myhome="/home/${myuser}"
+mysubdir="/pub"
+
+pkg_setup() {
+	if use mips; then
+		if use unison || use passwd; then
+			eerror
+			eerror "unison and passwd use-flags are not supported on mips yet!"
+			die "unsupported use-flags for your arch"
+		fi
+	fi
+
+	if use unison; then
+		if [ ! -e "${ROOT}usr/bin/unison" ]; then
+			eerror
+			eerror "please run 'eselect unison set <version>' first!"
+			die "can't find /usr/bin/unison"
+		fi
+	fi
+
+	if ! use subversion && ! use unison && ! use rsync && \
+		! use sftp && ! use scp && ! use winscp; then
+		eerror
+		eerror "you have to enable at least one of the following use-flags:"
+		eerror "sftp scp winscp rsync unison subversion"
+		die "your build will quite useless without any compatibility mode"
+	fi
+
+	if use subversion || use unison || use rsync || use wildcards || use scp || use winscp; then
+		ewarn
+		ewarn "NOTE THE FOLLOWING SECURITY RISKS:"
+		ewarn
+		if use wildcards; then
+			ewarn "-- by enabling wildcards, there is a slightly higher chance of an exploit"
+		fi
+		if use scp || use winscp; then
+			ewarn "-- by enabling scp and/or winscp compatibility, more programs will need"
+			ewarn "   to be installed in the chroot which increases the risk."
+		fi
+		if use subversion; then
+			ewarn "-- CAUTION: by enabling subversion the user WILL BE ABLE TO EXECUTE"
+			ewarn "   SCRIPTS OR PROGRAMS INDIRECTLY! svn and svnserve will try to execute"
+			ewarn "   pre-commit, post-commit hooks, as well as a few others. These files"
+			ewarn "   have specific filenames at specific locations relative to the svn"
+			ewarn "   repository root. Thus, unless you are *very* careful about security,"
+			ewarn "   the user WILL BE ABLE TO EXECUTE SCRIPTS OR PROGRAMS INDIRECTLY!"
+			ewarn "   This can be prevented by a careful configuration."
+		fi
+		if use subversion || use unison || use rsync; then
+			ewarn "-- The following programs use configuration files that might allow the"
+			ewarn "   user to bypass security restrictions placed on command line arguments:"
+			ewarn "   svn, svnserve, rsync, unison"
+		fi
+		ewarn
+		ewarn "please read /usr/share/doc/${PF}/SECURITY* after install!"
+		ewarn
+		ebeep 5
+	fi
+}
+
+src_unpack() {
+	unpack ${A}
+	cd "${S}"
+	epatch "${FILESDIR}/${P}-rsync.patch"
+	# bug #269242
+	epatch "${FILESDIR}/${P}-gcc4.4.0.patch"
+}
+
+src_compile() {
+	CFLAGS="${CFLAGS} ${LDFLAGS}" econf \
+		--with-sftp-server="/usr/$(get_libdir)/misc/sftp-server" \
+		--with-default-chdir="/" \
+		--disable-restrictive-names \
+		--enable-chrooted-binary \
+		--enable-chroot-checkdir \
+		$(use_enable winscp winscp-compat) \
+		$(use_enable gftp gftp-compat) \
+		$(use_enable scp scp-compat) \
+		$(use_enable sftp sftp) \
+		$(use_enable quota quota-compat) \
+		$(use_enable passwd passwd-compat) \
+		$(use_enable rsync rsync-compat) \
+		$(use_enable unison unison-compat) \
+		$(use_enable subversion svn-compat) \
+		$(use_enable subversion svnserv-compat) \
+		$(use_enable logging sftp-logging-compat) \
+		$(use_enable wildcards wildcards) \
+	|| die "econf failed"
+	emake CC=$(tc-getCC) || die "emake failed"
+}
+
+src_install() {
+	emake DESTDIR="${D}" install || die
+
+	dodoc AUTHOR BUILDING-JAILS.TXT CHANGELOG CONTRIB README SECURITY TODO
+
+	# don't compress setup-script, so it is usable if necessary
+	insinto /usr/share/doc/${PF}/chroot
+	doins setup_chroot.sh config.h
+}
+
+pkg_postinst() {
+	elog
+	elog "You might want to run"
+	elog "   emerge --config =${CATEGORY}/${PF}"
+	elog "to setup the chroot. Otherwise you will have to setup chroot manually."
+	elog
+	elog "Please read the docs in /usr/share/doc/${PF} for more informations!"
+	elog
+
+	# two slashes ('//') are used by scponlyc to determine the chroot point.
+	enewgroup "${myuser}"
+	enewuser "${myuser}" -1 /usr/sbin/scponlyc "${myhome}//" "${myuser}"
+}
+
+pkg_config() {
+	# pkg_postinst is based on ${S}/setup_chroot.sh.
+
+	einfo "Collecting binaries and libraries..."
+
+	# Binaries launched in sftp compat mode
+	if built_with_use =${CATEGORY}/${PF} sftp; then
+		BINARIES="/usr/$(get_libdir)/misc/sftp-server"
+	fi
+
+	# Binaries launched by vanilla- and WinSCP modes
+	if built_with_use =${CATEGORY}/${PF} scp || \
+		built_with_use =${CATEGORY}/${PF} winscp; then
+		BINARIES="${BINARIES} /usr/bin/scp /bin/ls /bin/rm /bin/ln /bin/mv"
+		BINARIES="${BINARIES} /bin/chmod /bin/chown /bin/chgrp /bin/mkdir /bin/rmdir"
+	fi
+
+	# Binaries launched in WinSCP compatibility mode
+	if built_with_use =${CATEGORY}/${PF} winscp; then
+		BINARIES="${BINARIES} /bin/pwd /bin/groups /usr/bin/id /bin/echo"
+	fi
+
+	# Rsync compatability mode
+	if built_with_use =${CATEGORY}/${PF} rsync; then
+		BINARIES="${BINARIES} /usr/bin/rsync"
+	fi
+
+	# Unison compatability mode
+	if built_with_use =${CATEGORY}/${PF} unison; then
+		BINARIES="${BINARIES} /usr/bin/unison"
+	fi
+
+	# subversion cli/svnserv compatibility
+	if built_with_use =${CATEGORY}/${PF} subversion; then
+	    BINARIES="${BINARIES} /usr/bin/svn /usr/bin/svnserve"
+	fi
+
+	# passwd compatibility
+	if built_with_use =${CATEGORY}/${PF} passwd; then
+		BINARIES="${BINARIES} /bin/passwd"
+	fi
+
+	# quota compatibility
+	if built_with_use =${CATEGORY}/${PF} quota; then
+		BINARIES="${BINARIES} /usr/bin/quota"
+	fi
+
+	# build lib dependencies
+	LIB_LIST=$(ldd ${BINARIES} | sed -n 's:.* => \(/[^ ]\+\).*:\1:p' | sort -u)
+
+	# search and add ld*.so
+	for LIB in /$(get_libdir)/ld.so /libexec/ld-elf.so /libexec/ld-elf.so.1 \
+		/usr/libexec/ld.so /$(get_libdir)/ld-linux*.so.2 /usr/libexec/ld-elf.so.1; do
+		[ -f "${LIB}" ] && LIB_LIST="${LIB_LIST} ${LIB}"
+	done
+
+	# search and add libnss_*.so
+	for LIB in /$(get_libdir)/libnss_{compat,files}*.so.*; do
+		[ -f "${LIB}" ] && LIB_LIST="${LIB_LIST} ${LIB}"
+	done
+
+	# create base dirs
+	if [ ! -d "${myhome}" ]; then
+		einfo "Creating ${myhome}"
+		install -o0 -g0 -m0755 -d "${myhome}"
+	else
+		einfo "Setting owner for ${myhome}"
+		chown 0:0 "${myhome}"
+	fi
+
+	if [ ! -d "${myhome}/etc" ]; then
+		einfo "Creating ${myhome}/etc"
+		install -o0 -g0 -m0755 -d "${myhome}/etc"
+	fi
+
+	if [ ! -d "${myhome}/$(get_libdir)" ]; then
+		einfo "Creating ${myhome}/$(get_libdir)"
+		install -o0 -g0 -m0755 -d "${myhome}/$(get_libdir)"
+	fi
+
+	if [ ! -e "${myhome}/lib" ]; then
+		einfo "Creating ${myhome}/lib"
+		ln -snf $(get_libdir) "${myhome}/lib"
+	fi
+
+	if [ ! -d "${myhome}/usr/$(get_libdir)" ]; then
+		einfo "Creating ${myhome}/usr/$(get_libdir)"
+		install -o0 -g0 -m0755 -d "${myhome}/usr/$(get_libdir)"
+	fi
+
+	if [ ! -e "${myhome}/usr/lib" ]; then
+		einfo "Creating ${myhome}/usr/lib"
+		ln -snf $(get_libdir) "${myhome}/usr/lib"
+	fi
+
+	if [ ! -d "${myhome}${mysubdir}" ]; then
+		einfo "Creating ${myhome}${mysubdir} directory for uploading files"
+		install -o${myuser} -g${myuser} -m0755 -d "${myhome}${mysubdir}"
+	fi
+
+	# create /dev/null (Bug 135505)
+	if [ ! -e "${myhome}/dev/null" ]; then
+		install -o0 -g0 -m0755 -d "${myhome}/dev"
+		mknod -m0777 "${myhome}/dev/null" c 1 3
+	fi
+
+	# install binaries
+	for BIN in ${BINARIES}; do
+		einfo "Install ${BIN}"
+		install -o0 -g0 -m0755 -d "${myhome}$(dirname ${BIN})"
+		if [ "${BIN}" = "/bin/passwd" ]; then  # needs suid
+			install -p -o0 -g0 -m04711 "${BIN}" "${myhome}/${BIN}"
+		else
+			install -p -o0 -g0 -m0755 "${BIN}" "${myhome}/${BIN}"
+		fi
+	done
+
+	# install libs
+	for LIB in ${LIB_LIST}; do
+		einfo "Install ${LIB}"
+		install -o0 -g0 -m0755 -d "${myhome}$(dirname ${LIB})"
+		install -p -o0 -g0 -m0755 "${LIB}" "${myhome}/${LIB}"
+	done
+
+	# create ld.so.conf
+	einfo "Creating /etc/ld.so.conf"
+	for LIB in ${LIB_LIST}; do
+		dirname ${LIB}
+	done | sort -u | while read DIR; do
+		if ! grep 2>/dev/null -q "^${DIR}$" "${myhome}/etc/ld.so.conf"; then
+			echo "${DIR}" >> "${myhome}/etc/ld.so.conf"
+		fi
+	done
+	ldconfig -r "${myhome}"
+
+	# update shells
+	einfo "Updating /etc/shells"
+	grep 2>/dev/null -q "^/usr/bin/scponly$" /etc/shells \
+		|| echo "/usr/bin/scponly" >> /etc/shells
+
+	grep 2>/dev/null -q "^/usr/sbin/scponlyc$" /etc/shells \
+		|| echo "/usr/sbin/scponlyc" >> /etc/shells
+
+	# create /etc/passwd
+	if [ ! -e "${myhome}/etc/passwd" ]; then
+		(
+			echo "root:x:0:0:root:/:/bin/sh"
+			sed -n "s|^\(${myuser}:[^:]*:[^:]*:[^:]*:[^:]*:\).*|\1${mysubdir}:/bin/sh|p" /etc/passwd
+		) > "${myhome}/etc/passwd"
+	fi
+
+	# create /etc/group
+	if [ ! -e "${myhome}/etc/group" ]; then
+		(
+			echo "root:x:0:"
+			sed -n "s|^\(${myuser}:[^:]*:[^:]*:\).*|\1|p" /etc/group
+		) > "${myhome}/etc/group"
+	fi
+}