SUMMARY = "A lightweight SSH and SCP implementation"
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HOMEPAGE = "http://matt.ucc.asn.au/dropbear/dropbear.html"
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DESCRIPTION = "Dropbear is a relatively small SSH server and client. It runs on a variety of POSIX-based platforms. Dropbear is open source software, distributed under a MIT-style license. Dropbear is particularly useful for "embedded"-type Linux (or other Unix) systems, such as wireless routers."
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SECTION = "console/network"
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# some files are from other projects and have others license terms:
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# public domain, OpenSSH 3.5p1, OpenSSH3.6.1p2, PuTTY
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LICENSE = "MIT & BSD-3-Clause & BSD-2-Clause & PD"
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LIC_FILES_CHKSUM = "file://LICENSE;md5=25cf44512b7bc8966a48b6b1a9b7605f"
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DEPENDS = "zlib virtual/crypt"
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RPROVIDES:${PN} = "ssh sshd"
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RCONFLICTS:${PN} = "openssh-sshd openssh"
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DEPENDS += "${@bb.utils.contains('DISTRO_FEATURES', 'pam', 'libpam', '', d)}"
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SRC_URI = "http://matt.ucc.asn.au/dropbear/releases/dropbear-${PV}.tar.bz2 \
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file://0001-urandom-xauth-changes-to-options.h.patch \
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file://init \
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file://dropbearkey.service \
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file://dropbear@.service \
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file://dropbear.socket \
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file://dropbear.default \
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${@bb.utils.contains('DISTRO_FEATURES', 'pam', '${PAM_SRC_URI}', '', d)} \
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${@bb.utils.contains('PACKAGECONFIG', 'disable-weak-ciphers', 'file://dropbear-disable-weak-ciphers.patch', '', d)} "
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PAM_SRC_URI = "file://0005-dropbear-enable-pam.patch \
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file://0006-dropbear-configuration-file.patch \
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file://dropbear"
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PAM_PLUGINS = "libpam-runtime \
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pam-plugin-deny \
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pam-plugin-permit \
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pam-plugin-unix \
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"
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RDEPENDS:${PN} += "${@bb.utils.contains('DISTRO_FEATURES', 'pam', '${PAM_PLUGINS}', '', d)}"
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inherit autotools update-rc.d systemd
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CVE_PRODUCT = "dropbear_ssh"
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INITSCRIPT_NAME = "dropbear"
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INITSCRIPT_PARAMS = "defaults 10"
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SYSTEMD_SERVICE:${PN} = "dropbear.socket"
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SBINCOMMANDS = "dropbear dropbearkey dropbearconvert"
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BINCOMMANDS = "dbclient ssh scp"
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EXTRA_OEMAKE = 'MULTI=1 SCPPROGRESS=1 PROGRAMS="${SBINCOMMANDS} ${BINCOMMANDS}"'
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PACKAGECONFIG ?= "disable-weak-ciphers"
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PACKAGECONFIG[system-libtom] = "--disable-bundled-libtom,--enable-bundled-libtom,libtommath libtomcrypt"
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PACKAGECONFIG[disable-weak-ciphers] = ""
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EXTRA_OECONF += "\
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${@bb.utils.contains('DISTRO_FEATURES', 'pam', '--enable-pam', '--disable-pam', d)}"
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# This option appends to CFLAGS and LDFLAGS from OE
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# This is causing [textrel] QA warning
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EXTRA_OECONF += "--disable-harden"
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# musl does not implement wtmp/logwtmp APIs
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EXTRA_OECONF:append:libc-musl = " --disable-wtmp --disable-lastlog"
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do_install() {
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install -d ${D}${sysconfdir} \
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${D}${sysconfdir}/init.d \
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${D}${sysconfdir}/default \
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${D}${sysconfdir}/dropbear \
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${D}${bindir} \
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${D}${sbindir} \
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${D}${localstatedir}
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install -m 0644 ${WORKDIR}/dropbear.default ${D}${sysconfdir}/default/dropbear
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install -m 0755 dropbearmulti ${D}${sbindir}/
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for i in ${BINCOMMANDS}
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do
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# ssh and scp symlinks are created by update-alternatives
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if [ $i = ssh ] || [ $i = scp ]; then continue; fi
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ln -s ${sbindir}/dropbearmulti ${D}${bindir}/$i
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done
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for i in ${SBINCOMMANDS}
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do
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ln -s ./dropbearmulti ${D}${sbindir}/$i
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done
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sed -e 's,/etc,${sysconfdir},g' \
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-e 's,/usr/sbin,${sbindir},g' \
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-e 's,/var,${localstatedir},g' \
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-e 's,/usr/bin,${bindir},g' \
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-e 's,/usr,${prefix},g' ${WORKDIR}/init > ${D}${sysconfdir}/init.d/dropbear
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chmod 755 ${D}${sysconfdir}/init.d/dropbear
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if [ "${@bb.utils.filter('DISTRO_FEATURES', 'pam', d)}" ]; then
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install -d ${D}${sysconfdir}/pam.d
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install -m 0644 ${WORKDIR}/dropbear ${D}${sysconfdir}/pam.d/
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fi
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# deal with systemd unit files
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install -d ${D}${systemd_system_unitdir}
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install -m 0644 ${WORKDIR}/dropbearkey.service ${D}${systemd_system_unitdir}
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install -m 0644 ${WORKDIR}/dropbear@.service ${D}${systemd_system_unitdir}
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install -m 0644 ${WORKDIR}/dropbear.socket ${D}${systemd_system_unitdir}
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sed -i -e 's,@BASE_BINDIR@,${base_bindir},g' \
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-e 's,@BINDIR@,${bindir},g' \
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-e 's,@SBINDIR@,${sbindir},g' \
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${D}${systemd_system_unitdir}/dropbear.socket ${D}${systemd_system_unitdir}/*.service
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}
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inherit update-alternatives
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ALTERNATIVE_PRIORITY = "20"
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ALTERNATIVE:${PN} = "${@bb.utils.filter('BINCOMMANDS', 'scp ssh', d)}"
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ALTERNATIVE_TARGET = "${sbindir}/dropbearmulti"
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pkg_postrm:${PN} () {
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if [ -f "${sysconfdir}/dropbear/dropbear_rsa_host_key" ]; then
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rm ${sysconfdir}/dropbear/dropbear_rsa_host_key
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fi
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if [ -f "${sysconfdir}/dropbear/dropbear_dss_host_key" ]; then
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rm ${sysconfdir}/dropbear/dropbear_dss_host_key
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fi
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}
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FILES:${PN} += "${bindir}"
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