1SUMMARY = "A lightweight SSH and SCP implementation" 2HOMEPAGE = "http://matt.ucc.asn.au/dropbear/dropbear.html" 3DESCRIPTION = "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." 4SECTION = "console/network" 5 6# some files are from other projects and have others license terms: 7# public domain, OpenSSH 3.5p1, OpenSSH3.6.1p2, PuTTY 8LICENSE = "MIT & BSD-3-Clause & BSD-2-Clause & PD" 9LIC_FILES_CHKSUM = "file://LICENSE;md5=25cf44512b7bc8966a48b6b1a9b7605f" 10 11DEPENDS = "zlib virtual/crypt" 12RPROVIDES:${PN} = "ssh sshd" 13RCONFLICTS:${PN} = "openssh-sshd openssh" 14 15# break dependency on base package for -dev package 16# otherwise SDK fails to build as the main openssh and dropbear packages 17# conflict with each other 18RDEPENDS:${PN}-dev = "" 19 20DEPENDS += "${@bb.utils.contains('DISTRO_FEATURES', 'pam', 'libpam', '', d)}" 21 22SRC_URI = "http://matt.ucc.asn.au/dropbear/releases/dropbear-${PV}.tar.bz2 \ 23 file://0001-urandom-xauth-changes-to-options.h.patch \ 24 file://init \ 25 file://dropbearkey.service \ 26 file://dropbear@.service \ 27 file://dropbear.socket \ 28 file://dropbear.default \ 29 ${@bb.utils.contains('DISTRO_FEATURES', 'pam', '${PAM_SRC_URI}', '', d)} \ 30 ${@bb.utils.contains('PACKAGECONFIG', 'disable-weak-ciphers', 'file://dropbear-disable-weak-ciphers.patch', '', d)} \ 31 file://CVE-2021-36369.patch \ 32 " 33 34PAM_SRC_URI = "file://0005-dropbear-enable-pam.patch \ 35 file://0006-dropbear-configuration-file.patch \ 36 file://dropbear" 37 38PAM_PLUGINS = "libpam-runtime \ 39 pam-plugin-deny \ 40 pam-plugin-permit \ 41 pam-plugin-unix \ 42 " 43RDEPENDS:${PN} += "${@bb.utils.contains('DISTRO_FEATURES', 'pam', '${PAM_PLUGINS}', '', d)}" 44 45inherit autotools update-rc.d systemd 46 47CVE_PRODUCT = "dropbear_ssh" 48 49INITSCRIPT_NAME = "dropbear" 50INITSCRIPT_PARAMS = "defaults 10" 51 52SYSTEMD_SERVICE:${PN} = "dropbear.socket" 53 54SBINCOMMANDS = "dropbear dropbearkey dropbearconvert" 55BINCOMMANDS = "dbclient ssh scp" 56EXTRA_OEMAKE = 'MULTI=1 SCPPROGRESS=1 PROGRAMS="${SBINCOMMANDS} ${BINCOMMANDS}"' 57 58PACKAGECONFIG ?= "disable-weak-ciphers" 59PACKAGECONFIG[system-libtom] = "--disable-bundled-libtom,--enable-bundled-libtom,libtommath libtomcrypt" 60PACKAGECONFIG[disable-weak-ciphers] = "" 61 62EXTRA_OECONF += "\ 63 ${@bb.utils.contains('DISTRO_FEATURES', 'pam', '--enable-pam', '--disable-pam', d)}" 64 65# This option appends to CFLAGS and LDFLAGS from OE 66# This is causing [textrel] QA warning 67EXTRA_OECONF += "--disable-harden" 68 69# musl does not implement wtmp/logwtmp APIs 70EXTRA_OECONF:append:libc-musl = " --disable-wtmp --disable-lastlog" 71 72do_install() { 73 install -d ${D}${sysconfdir} \ 74 ${D}${sysconfdir}/init.d \ 75 ${D}${sysconfdir}/default \ 76 ${D}${sysconfdir}/dropbear \ 77 ${D}${bindir} \ 78 ${D}${sbindir} \ 79 ${D}${localstatedir} 80 81 install -m 0644 ${WORKDIR}/dropbear.default ${D}${sysconfdir}/default/dropbear 82 83 install -m 0755 dropbearmulti ${D}${sbindir}/ 84 85 for i in ${BINCOMMANDS} 86 do 87 # ssh and scp symlinks are created by update-alternatives 88 if [ $i = ssh ] || [ $i = scp ]; then continue; fi 89 ln -s ${sbindir}/dropbearmulti ${D}${bindir}/$i 90 done 91 for i in ${SBINCOMMANDS} 92 do 93 ln -s ./dropbearmulti ${D}${sbindir}/$i 94 done 95 sed -e 's,/etc,${sysconfdir},g' \ 96 -e 's,/usr/sbin,${sbindir},g' \ 97 -e 's,/var,${localstatedir},g' \ 98 -e 's,/usr/bin,${bindir},g' \ 99 -e 's,/usr,${prefix},g' ${WORKDIR}/init > ${D}${sysconfdir}/init.d/dropbear 100 chmod 755 ${D}${sysconfdir}/init.d/dropbear 101 if [ "${@bb.utils.filter('DISTRO_FEATURES', 'pam', d)}" ]; then 102 install -d ${D}${sysconfdir}/pam.d 103 install -m 0644 ${WORKDIR}/dropbear ${D}${sysconfdir}/pam.d/ 104 fi 105 106 # deal with systemd unit files 107 install -d ${D}${systemd_system_unitdir} 108 install -m 0644 ${WORKDIR}/dropbearkey.service ${D}${systemd_system_unitdir} 109 install -m 0644 ${WORKDIR}/dropbear@.service ${D}${systemd_system_unitdir} 110 install -m 0644 ${WORKDIR}/dropbear.socket ${D}${systemd_system_unitdir} 111 sed -i -e 's,@BASE_BINDIR@,${base_bindir},g' \ 112 -e 's,@BINDIR@,${bindir},g' \ 113 -e 's,@SBINDIR@,${sbindir},g' \ 114 ${D}${systemd_system_unitdir}/dropbear.socket ${D}${systemd_system_unitdir}/*.service 115} 116 117inherit update-alternatives 118 119ALTERNATIVE_PRIORITY = "20" 120ALTERNATIVE:${PN} = "${@bb.utils.filter('BINCOMMANDS', 'scp ssh', d)}" 121 122ALTERNATIVE_TARGET = "${sbindir}/dropbearmulti" 123 124pkg_postrm:${PN} () { 125 if [ -f "${sysconfdir}/dropbear/dropbear_rsa_host_key" ]; then 126 rm ${sysconfdir}/dropbear/dropbear_rsa_host_key 127 fi 128 if [ -f "${sysconfdir}/dropbear/dropbear_dss_host_key" ]; then 129 rm ${sysconfdir}/dropbear/dropbear_dss_host_key 130 fi 131} 132 133FILES:${PN} += "${bindir}" 134