1# 2# Copyright OpenEmbedded Contributors 3# 4# SPDX-License-Identifier: MIT 5# 6 7# Zap the root password if empty-root-password feature is not enabled 8ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", "empty-root-password", "", "zap_empty_root_password ",d)}' 9 10# Allow dropbear/openssh to accept logins from accounts with an empty password string if allow-empty-password is enabled 11ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", "allow-empty-password", "ssh_allow_empty_password ", "",d)}' 12 13# Allow dropbear/openssh to accept root logins if allow-root-login is enabled 14ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", "allow-root-login", "ssh_allow_root_login ", "",d)}' 15 16# Autologin the root user on the serial console, if empty-root-password and serial-autologin-root are active 17ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", [ 'empty-root-password', 'serial-autologin-root' ], "serial_autologin_root ", "",d)}' 18 19# Enable postinst logging if post-install-logging is enabled 20ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", "post-install-logging", "postinst_enable_logging ", "",d)}' 21 22# Create /etc/timestamp during image construction to give a reasonably sane default time setting 23ROOTFS_POSTPROCESS_COMMAND += "rootfs_update_timestamp " 24 25# Tweak files in /etc if read-only-rootfs is enabled 26ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs", "read_only_rootfs_hook ", "",d)}' 27 28# We also need to do the same for the kernel boot parameters, 29# otherwise kernel or initramfs end up mounting the rootfs read/write 30# (the default) if supported by the underlying storage. 31# 32# We do this with :append because the default value might get set later with ?= 33# and we don't want to disable such a default that by setting a value here. 34APPEND:append = '${@bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs", " ro", "", d)}' 35 36# Generates test data file with data store variables expanded in json format 37ROOTFS_POSTPROCESS_COMMAND += "write_image_test_data " 38 39# Write manifest 40IMAGE_MANIFEST = "${IMGDEPLOYDIR}/${IMAGE_NAME}.manifest" 41ROOTFS_POSTUNINSTALL_COMMAND =+ "write_image_manifest" 42# Set default postinst log file 43POSTINST_LOGFILE ?= "${localstatedir}/log/postinstall.log" 44# Set default target for systemd images 45SYSTEMD_DEFAULT_TARGET ?= '${@bb.utils.contains_any("IMAGE_FEATURES", [ "x11-base", "weston" ], "graphical.target", "multi-user.target", d)}' 46ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("DISTRO_FEATURES", "systemd", "set_systemd_default_target systemd_sysusers_check", "", d)}' 47 48ROOTFS_POSTPROCESS_COMMAND += 'empty_var_volatile' 49 50ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("DISTRO_FEATURES", "overlayfs", "overlayfs_qa_check overlayfs_postprocess", "", d)}' 51 52inherit image-artifact-names 53 54# Sort the user and group entries in /etc by ID in order to make the content 55# deterministic. Package installs are not deterministic, causing the ordering 56# of entries to change between builds. In case that this isn't desired, 57# the command can be overridden. 58SORT_PASSWD_POSTPROCESS_COMMAND ??= "tidy_shadowutils_files" 59ROOTFS_POSTPROCESS_COMMAND += '${SORT_PASSWD_POSTPROCESS_COMMAND}' 60 61# 62# Note that useradd-staticids.bbclass has to be used to ensure that 63# the numeric IDs of dynamically created entries remain stable. 64# 65ROOTFS_POSTPROCESS_COMMAND += 'rootfs_reproducible' 66 67# Resolve the ID as described in the sysusers.d(5) manual: ID can be a numeric 68# uid, a couple uid:gid or uid:groupname or it is '-' meaning leaving it 69# automatic or it can be a path. In the latter, the uid/gid matches the 70# user/group owner of that file. 71def resolve_sysusers_id(d, sid): 72 # If the id is a path, the uid/gid matchs to the target's uid/gid in the 73 # rootfs. 74 if '/' in sid: 75 try: 76 osstat = os.stat(os.path.join(d.getVar('IMAGE_ROOTFS'), sid)) 77 except FileNotFoundError: 78 bb.error('sysusers.d: file %s is required but it does not exist in the rootfs', sid) 79 return ('-', '-') 80 return (osstat.st_uid, osstat.st_gid) 81 # Else it is a uid:gid or uid:groupname syntax 82 if ':' in sid: 83 return sid.split(':') 84 else: 85 return (sid, '-') 86 87# Check a user exists in the rootfs password file and return its properties 88def check_user_exists(d, uname=None, uid=None): 89 with open(os.path.join(d.getVar('IMAGE_ROOTFS'), 'etc/passwd'), 'r') as pwfile: 90 for line in pwfile: 91 (name, _, u_id, gid, comment, homedir, ushell) = line.strip().split(':') 92 if uname == name or uid == u_id: 93 return (name, u_id, gid, comment or '-', homedir or '/', ushell or '-') 94 return None 95 96# Check a group exists in the rootfs group file and return its properties 97def check_group_exists(d, gname=None, gid=None): 98 with open(os.path.join(d.getVar('IMAGE_ROOTFS'), 'etc/group'), 'r') as gfile: 99 for line in gfile: 100 (name, _, g_id, _) = line.strip().split(':') 101 if name == gname or g_id == gid: 102 return (name, g_id) 103 return None 104 105def compare_users(user, e_user): 106 # user and e_user must not have None values. Unset values must be '-'. 107 (name, uid, gid, comment, homedir, ushell) = user 108 (e_name, e_uid, e_gid, e_comment, e_homedir, e_ushell) = e_user 109 # Ignore 'uid', 'gid' or 'homedir' if they are not set 110 # Ignore 'shell' and 'ushell' if one is not set 111 return name == e_name \ 112 and (uid == '-' or uid == e_uid) \ 113 and (gid == '-' or gid == e_gid) \ 114 and (homedir == '-' or e_homedir == '-' or homedir == e_homedir) \ 115 and (ushell == '-' or e_ushell == '-' or ushell == e_ushell) 116 117# Open sysusers.d configuration files and parse each line to check the users and 118# groups are already defined in /etc/passwd and /etc/groups with similar 119# properties. Refer to the sysusers.d(5) manual for its syntax. 120python systemd_sysusers_check() { 121 import glob 122 import re 123 124 pattern_comment = r'(-|\"[^:\"]+\")' 125 pattern_word = r'[^\s]+' 126 pattern_line = r'(' + pattern_word + r')\s+(' + pattern_word + r')\s+(' + pattern_word + r')(\s+' \ 127 + pattern_comment + r')?' + r'(\s+(' + pattern_word + r'))?' + r'(\s+(' + pattern_word + r'))?' 128 129 for conffile in glob.glob(os.path.join(d.getVar('IMAGE_ROOTFS'), 'usr/lib/sysusers.d/*.conf')): 130 with open(conffile, 'r') as f: 131 for line in f: 132 line = line.strip() 133 if not len(line) or line[0] == '#': continue 134 ret = re.fullmatch(pattern_line, line.strip()) 135 if not ret: continue 136 (stype, sname, sid, _, scomment, _, shomedir, _, sshell) = ret.groups() 137 if stype == 'u': 138 if sid: 139 (suid, sgid) = resolve_sysusers_id(d, sid) 140 if sgid.isalpha(): 141 sgid = check_group_exists(d, gname=sgid) 142 elif sgid.isdigit(): 143 check_group_exists(d, gid=sgid) 144 else: 145 sgid = '-' 146 else: 147 suid = '-' 148 sgid = '-' 149 scomment = scomment.replace('"', '') if scomment else '-' 150 shomedir = shomedir or '-' 151 sshell = sshell or '-' 152 e_user = check_user_exists(d, uname=sname) 153 if not e_user: 154 bb.warn('User %s has never been defined' % sname) 155 elif not compare_users((sname, suid, sgid, scomment, shomedir, sshell), e_user): 156 bb.warn('User %s has been defined as (%s) but sysusers.d expects it as (%s)' 157 % (sname, ', '.join(e_user), 158 ', '.join((sname, suid, sgid, scomment, shomedir, sshell)))) 159 elif stype == 'g': 160 gid = sid or '-' 161 if '/' in gid: 162 (_, gid) = resolve_sysusers_id(d, sid) 163 e_group = check_group_exists(d, gname=sname) 164 if not e_group: 165 bb.warn('Group %s has never been defined' % sname) 166 elif gid != '-': 167 (_, e_gid) = e_group 168 if gid != e_gid: 169 bb.warn('Group %s has been defined with id (%s) but sysusers.d expects gid (%s)' 170 % (sname, e_gid, gid)) 171 elif stype == 'm': 172 check_user_exists(d, sname) 173 check_group_exists(d, sid) 174} 175 176# 177# A hook function to support read-only-rootfs IMAGE_FEATURES 178# 179read_only_rootfs_hook () { 180 # Tweak the mount option and fs_passno for rootfs in fstab 181 if [ -f ${IMAGE_ROOTFS}/etc/fstab ]; then 182 sed -i -e '/^[#[:space:]]*\/dev\/root/{s/defaults/ro/;s/\([[:space:]]*[[:digit:]]\)\([[:space:]]*\)[[:digit:]]$/\1\20/}' ${IMAGE_ROOTFS}/etc/fstab 183 fi 184 185 # Tweak the "mount -o remount,rw /" command in busybox-inittab inittab 186 if [ -f ${IMAGE_ROOTFS}/etc/inittab ]; then 187 sed -i 's|/bin/mount -o remount,rw /|/bin/mount -o remount,ro /|' ${IMAGE_ROOTFS}/etc/inittab 188 fi 189 190 # If we're using openssh and the /etc/ssh directory has no pre-generated keys, 191 # we should configure openssh to use the configuration file /etc/ssh/sshd_config_readonly 192 # and the keys under /var/run/ssh. 193 # If overlayfs-etc is used this is not done as /etc is treated as writable 194 # If stateless-rootfs is enabled this is always done as we don't want to save keys then 195 if ${@ 'true' if not bb.utils.contains('IMAGE_FEATURES', 'overlayfs-etc', True, False, d) or bb.utils.contains('IMAGE_FEATURES', 'stateless-rootfs', True, False, d) else 'false'}; then 196 if [ -d ${IMAGE_ROOTFS}/etc/ssh ]; then 197 if [ -e ${IMAGE_ROOTFS}/etc/ssh/ssh_host_rsa_key ]; then 198 echo "SYSCONFDIR=\${SYSCONFDIR:-/etc/ssh}" >> ${IMAGE_ROOTFS}/etc/default/ssh 199 echo "SSHD_OPTS=" >> ${IMAGE_ROOTFS}/etc/default/ssh 200 else 201 echo "SYSCONFDIR=\${SYSCONFDIR:-/var/run/ssh}" >> ${IMAGE_ROOTFS}/etc/default/ssh 202 echo "SSHD_OPTS='-f /etc/ssh/sshd_config_readonly'" >> ${IMAGE_ROOTFS}/etc/default/ssh 203 fi 204 fi 205 206 # Also tweak the key location for dropbear in the same way. 207 if [ -d ${IMAGE_ROOTFS}/etc/dropbear ]; then 208 if [ ! -e ${IMAGE_ROOTFS}/etc/dropbear/dropbear_rsa_host_key ]; then 209 if ! grep -q "^DROPBEAR_RSAKEY_DIR=" ${IMAGE_ROOTFS}/etc/default/dropbear ; then 210 echo "DROPBEAR_RSAKEY_DIR=/var/lib/dropbear" >> ${IMAGE_ROOTFS}/etc/default/dropbear 211 fi 212 fi 213 fi 214 fi 215 216 if ${@bb.utils.contains("DISTRO_FEATURES", "sysvinit", "true", "false", d)}; then 217 # Change the value of ROOTFS_READ_ONLY in /etc/default/rcS to yes 218 if [ -e ${IMAGE_ROOTFS}/etc/default/rcS ]; then 219 sed -i 's/ROOTFS_READ_ONLY=no/ROOTFS_READ_ONLY=yes/' ${IMAGE_ROOTFS}/etc/default/rcS 220 fi 221 # Run populate-volatile.sh at rootfs time to set up basic files 222 # and directories to support read-only rootfs. 223 if [ -x ${IMAGE_ROOTFS}/etc/init.d/populate-volatile.sh ]; then 224 ${IMAGE_ROOTFS}/etc/init.d/populate-volatile.sh 225 fi 226 fi 227 228 if ${@bb.utils.contains("DISTRO_FEATURES", "systemd", "true", "false", d)}; then 229 # Create machine-id 230 # 20:12 < mezcalero> koen: you have three options: a) run systemd-machine-id-setup at install time, b) have / read-only and an empty file there (for stateless) and c) boot with / writable 231 touch ${IMAGE_ROOTFS}${sysconfdir}/machine-id 232 fi 233} 234 235# 236# This function disallows empty root passwords 237# 238zap_empty_root_password () { 239 if [ -e ${IMAGE_ROOTFS}/etc/shadow ]; then 240 sed --follow-symlinks -i 's%^root::%root:*:%' ${IMAGE_ROOTFS}/etc/shadow 241 fi 242 if [ -e ${IMAGE_ROOTFS}/etc/passwd ]; then 243 sed --follow-symlinks -i 's%^root::%root:*:%' ${IMAGE_ROOTFS}/etc/passwd 244 fi 245} 246 247# 248# allow dropbear/openssh to accept logins from accounts with an empty password string 249# 250ssh_allow_empty_password () { 251 for config in sshd_config sshd_config_readonly; do 252 if [ -e ${IMAGE_ROOTFS}${sysconfdir}/ssh/$config ]; then 253 sed -i 's/^[#[:space:]]*PermitEmptyPasswords.*/PermitEmptyPasswords yes/' ${IMAGE_ROOTFS}${sysconfdir}/ssh/$config 254 fi 255 done 256 257 if [ -e ${IMAGE_ROOTFS}${sbindir}/dropbear ] ; then 258 if grep -q DROPBEAR_EXTRA_ARGS ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear 2>/dev/null ; then 259 if ! grep -q "DROPBEAR_EXTRA_ARGS=.*-B" ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear ; then 260 sed -i 's/^DROPBEAR_EXTRA_ARGS="*\([^"]*\)"*/DROPBEAR_EXTRA_ARGS="\1 -B"/' ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear 261 fi 262 else 263 printf '\nDROPBEAR_EXTRA_ARGS="-B"\n' >> ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear 264 fi 265 fi 266 267 if [ -d ${IMAGE_ROOTFS}${sysconfdir}/pam.d ] ; then 268 for f in `find ${IMAGE_ROOTFS}${sysconfdir}/pam.d/* -type f -exec test -e {} \; -print` 269 do 270 sed -i 's/nullok_secure/nullok/' $f 271 done 272 fi 273} 274 275# 276# allow dropbear/openssh to accept root logins 277# 278ssh_allow_root_login () { 279 for config in sshd_config sshd_config_readonly; do 280 if [ -e ${IMAGE_ROOTFS}${sysconfdir}/ssh/$config ]; then 281 sed -i 's/^[#[:space:]]*PermitRootLogin.*/PermitRootLogin yes/' ${IMAGE_ROOTFS}${sysconfdir}/ssh/$config 282 fi 283 done 284 285 if [ -e ${IMAGE_ROOTFS}${sbindir}/dropbear ] ; then 286 if grep -q DROPBEAR_EXTRA_ARGS ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear 2>/dev/null ; then 287 sed -i '/^DROPBEAR_EXTRA_ARGS=/ s/-w//' ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear 288 sed -i '/^# Disallow root/d' ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear 289 fi 290 fi 291} 292 293# 294# Autologin the 'root' user on the serial terminal, 295# if empty-root-password' AND 'serial-autologin-root are enabled 296# 297serial_autologin_root () { 298 if ${@bb.utils.contains("DISTRO_FEATURES", "sysvinit", "true", "false", d)}; then 299 # add autologin option to util-linux getty only 300 sed -i 's/options="/&--autologin root /' \ 301 "${IMAGE_ROOTFS}${base_bindir}/start_getty" 302 elif ${@bb.utils.contains("DISTRO_FEATURES", "systemd", "true", "false", d)}; then 303 if [ -e ${IMAGE_ROOTFS}${systemd_system_unitdir}/serial-getty@.service ]; then 304 sed -i '/^\s*ExecStart\b/ s/getty /&--autologin root /' \ 305 "${IMAGE_ROOTFS}${systemd_system_unitdir}/serial-getty@.service" 306 fi 307 fi 308} 309 310python tidy_shadowutils_files () { 311 import oe.rootfspostcommands 312 oe.rootfspostcommands.tidy_shadowutils_files(d.expand('${IMAGE_ROOTFS}${sysconfdir}')) 313} 314 315python sort_passwd () { 316 """ 317 Deprecated in the favour of tidy_shadowutils_files. 318 """ 319 import oe.rootfspostcommands 320 bb.warn('[sort_passwd] You are using a deprecated function for ' 321 'SORT_PASSWD_POSTPROCESS_COMMAND. The default one is now called ' 322 '"tidy_shadowutils_files".') 323 oe.rootfspostcommands.tidy_shadowutils_files(d.expand('${IMAGE_ROOTFS}${sysconfdir}')) 324} 325 326# 327# Enable postinst logging 328# 329postinst_enable_logging () { 330 mkdir -p ${IMAGE_ROOTFS}${sysconfdir}/default 331 echo "POSTINST_LOGGING=1" >> ${IMAGE_ROOTFS}${sysconfdir}/default/postinst 332 echo "LOGFILE=${POSTINST_LOGFILE}" >> ${IMAGE_ROOTFS}${sysconfdir}/default/postinst 333} 334 335# 336# Modify systemd default target 337# 338set_systemd_default_target () { 339 if [ -d ${IMAGE_ROOTFS}${sysconfdir}/systemd/system -a -e ${IMAGE_ROOTFS}${systemd_system_unitdir}/${SYSTEMD_DEFAULT_TARGET} ]; then 340 ln -sf ${systemd_system_unitdir}/${SYSTEMD_DEFAULT_TARGET} ${IMAGE_ROOTFS}${sysconfdir}/systemd/system/default.target 341 fi 342} 343 344# If /var/volatile is not empty, we have seen problems where programs such as the 345# journal make assumptions based on the contents of /var/volatile. The journal 346# would then write to /var/volatile before it was mounted, thus hiding the 347# items previously written. 348# 349# This change is to attempt to fix those types of issues in a way that doesn't 350# affect users that may not be using /var/volatile. 351empty_var_volatile () { 352 if [ -e ${IMAGE_ROOTFS}/etc/fstab ]; then 353 match=`awk '$1 !~ "#" && $2 ~ /\/var\/volatile/{print $2}' ${IMAGE_ROOTFS}/etc/fstab 2> /dev/null` 354 if [ -n "$match" ]; then 355 find ${IMAGE_ROOTFS}/var/volatile -mindepth 1 -delete 356 fi 357 fi 358} 359 360# Turn any symbolic /sbin/init link into a file 361remove_init_link () { 362 if [ -h ${IMAGE_ROOTFS}/sbin/init ]; then 363 LINKFILE=${IMAGE_ROOTFS}`readlink ${IMAGE_ROOTFS}/sbin/init` 364 rm ${IMAGE_ROOTFS}/sbin/init 365 cp $LINKFILE ${IMAGE_ROOTFS}/sbin/init 366 fi 367} 368 369python write_image_manifest () { 370 from oe.rootfs import image_list_installed_packages 371 from oe.utils import format_pkg_list 372 373 deploy_dir = d.getVar('IMGDEPLOYDIR') 374 link_name = d.getVar('IMAGE_LINK_NAME') 375 manifest_name = d.getVar('IMAGE_MANIFEST') 376 377 if not manifest_name: 378 return 379 380 pkgs = image_list_installed_packages(d) 381 with open(manifest_name, 'w+') as image_manifest: 382 image_manifest.write(format_pkg_list(pkgs, "ver")) 383 384 if os.path.exists(manifest_name) and link_name: 385 manifest_link = deploy_dir + "/" + link_name + ".manifest" 386 if manifest_link != manifest_name: 387 if os.path.lexists(manifest_link): 388 os.remove(manifest_link) 389 os.symlink(os.path.basename(manifest_name), manifest_link) 390} 391 392# Can be used to create /etc/timestamp during image construction to give a reasonably 393# sane default time setting 394rootfs_update_timestamp () { 395 if [ "${REPRODUCIBLE_TIMESTAMP_ROOTFS}" != "" ]; then 396 # Convert UTC into %4Y%2m%2d%2H%2M%2S 397 sformatted=`date -u -d @${REPRODUCIBLE_TIMESTAMP_ROOTFS} +%4Y%2m%2d%2H%2M%2S` 398 else 399 sformatted=`date -u +%4Y%2m%2d%2H%2M%2S` 400 fi 401 echo $sformatted > ${IMAGE_ROOTFS}/etc/timestamp 402 bbnote "rootfs_update_timestamp: set /etc/timestamp to $sformatted" 403} 404 405# Prevent X from being started 406rootfs_no_x_startup () { 407 if [ -f ${IMAGE_ROOTFS}/etc/init.d/xserver-nodm ]; then 408 chmod a-x ${IMAGE_ROOTFS}/etc/init.d/xserver-nodm 409 fi 410} 411 412rootfs_trim_schemas () { 413 for schema in ${IMAGE_ROOTFS}/etc/gconf/schemas/*.schemas 414 do 415 # Need this in case no files exist 416 if [ -e $schema ]; then 417 oe-trim-schemas $schema > $schema.new 418 mv $schema.new $schema 419 fi 420 done 421} 422 423rootfs_check_host_user_contaminated () { 424 contaminated="${S}/host-user-contaminated.txt" 425 HOST_USER_UID="$(PSEUDO_UNLOAD=1 id -u)" 426 HOST_USER_GID="$(PSEUDO_UNLOAD=1 id -g)" 427 428 find "${IMAGE_ROOTFS}" -path "${IMAGE_ROOTFS}/home" -prune -o \ 429 -user "$HOST_USER_UID" -print -o -group "$HOST_USER_GID" -print >"$contaminated" 430 431 sed -e "s,${IMAGE_ROOTFS},," $contaminated | while read line; do 432 bbwarn "Path in the rootfs is owned by the same user or group as the user running bitbake:" $line `ls -lan ${IMAGE_ROOTFS}/$line` 433 done 434 435 if [ -s "$contaminated" ]; then 436 bbwarn "/etc/passwd:" `cat ${IMAGE_ROOTFS}/etc/passwd` 437 bbwarn "/etc/group:" `cat ${IMAGE_ROOTFS}/etc/group` 438 fi 439} 440 441# Make any absolute links in a sysroot relative 442rootfs_sysroot_relativelinks () { 443 sysroot-relativelinks.py ${SDK_OUTPUT}/${SDKTARGETSYSROOT} 444} 445 446# Generated test data json file 447python write_image_test_data() { 448 from oe.data import export2json 449 450 deploy_dir = d.getVar('IMGDEPLOYDIR') 451 link_name = d.getVar('IMAGE_LINK_NAME') 452 testdata_name = os.path.join(deploy_dir, "%s.testdata.json" % d.getVar('IMAGE_NAME')) 453 454 searchString = "%s/"%(d.getVar("TOPDIR")).replace("//","/") 455 export2json(d, testdata_name, searchString=searchString, replaceString="") 456 457 if os.path.exists(testdata_name) and link_name: 458 testdata_link = os.path.join(deploy_dir, "%s.testdata.json" % link_name) 459 if testdata_link != testdata_name: 460 if os.path.lexists(testdata_link): 461 os.remove(testdata_link) 462 os.symlink(os.path.basename(testdata_name), testdata_link) 463} 464write_image_test_data[vardepsexclude] += "TOPDIR" 465 466# Check for unsatisfied recommendations (RRECOMMENDS) 467python rootfs_log_check_recommends() { 468 log_path = d.expand("${T}/log.do_rootfs") 469 with open(log_path, 'r') as log: 470 for line in log: 471 if 'log_check' in line: 472 continue 473 474 if 'unsatisfied recommendation for' in line: 475 bb.warn('[log_check] %s: %s' % (d.getVar('PN'), line)) 476} 477 478# Perform any additional adjustments needed to make rootf binary reproducible 479rootfs_reproducible () { 480 if [ "${REPRODUCIBLE_TIMESTAMP_ROOTFS}" != "" ]; then 481 # Convert UTC into %4Y%2m%2d%2H%2M%2S 482 sformatted=`date -u -d @${REPRODUCIBLE_TIMESTAMP_ROOTFS} +%4Y%2m%2d%2H%2M%2S` 483 echo $sformatted > ${IMAGE_ROOTFS}/etc/version 484 bbnote "rootfs_reproducible: set /etc/version to $sformatted" 485 486 if [ -d ${IMAGE_ROOTFS}${sysconfdir}/gconf ]; then 487 find ${IMAGE_ROOTFS}${sysconfdir}/gconf -name '%gconf.xml' -print0 | xargs -0r \ 488 sed -i -e 's@\bmtime="[0-9][0-9]*"@mtime="'${REPRODUCIBLE_TIMESTAMP_ROOTFS}'"@g' 489 fi 490 491 if [ -f ${IMAGE_ROOTFS}${localstatedir}/lib/opkg/status ]; then 492 sed -i 's/^Installed-Time: .*/Installed-Time: ${REPRODUCIBLE_TIMESTAMP_ROOTFS}/' ${IMAGE_ROOTFS}${localstatedir}/lib/opkg/status 493 fi 494 fi 495} 496 497# Perform a dumb check for unit existence, not its validity 498python overlayfs_qa_check() { 499 from oe.overlayfs import mountUnitName 500 501 overlayMountPoints = d.getVarFlags("OVERLAYFS_MOUNT_POINT") or {} 502 imagepath = d.getVar("IMAGE_ROOTFS") 503 sysconfdir = d.getVar("sysconfdir") 504 searchpaths = [oe.path.join(imagepath, sysconfdir, "systemd", "system"), 505 oe.path.join(imagepath, d.getVar("systemd_system_unitdir"))] 506 fstabpath = oe.path.join(imagepath, sysconfdir, "fstab") 507 508 if not any(os.path.exists(path) for path in [*searchpaths, fstabpath]): 509 return 510 511 fstabDevices = [] 512 if os.path.isfile(fstabpath): 513 with open(fstabpath, 'r') as f: 514 for line in f: 515 if line[0] == '#': 516 continue 517 path = line.split(maxsplit=2) 518 if len(path) > 2: 519 fstabDevices.append(path[1]) 520 521 allUnitExist = True; 522 for mountPoint in overlayMountPoints: 523 qaSkip = (d.getVarFlag("OVERLAYFS_QA_SKIP", mountPoint) or "").split() 524 if "mount-configured" in qaSkip: 525 continue 526 527 mountPath = d.getVarFlag('OVERLAYFS_MOUNT_POINT', mountPoint) 528 if mountPath in fstabDevices: 529 continue 530 531 mountUnit = mountUnitName(mountPath) 532 if any(os.path.isfile(oe.path.join(dirpath, mountUnit)) 533 for dirpath in searchpaths): 534 continue 535 536 bb.warn(f'Mount path {mountPath} not found in fstab and unit ' 537 f'{mountUnit} not found in systemd unit directories.') 538 bb.warn(f'Skip this check by setting OVERLAYFS_QA_SKIP[{mountPoint}] = ' 539 '"mount-configured"') 540 allUnitExist = False; 541 542 if not allUnitExist: 543 bb.fatal('Not all mount paths and units are installed in the image') 544} 545 546python overlayfs_postprocess() { 547 import shutil 548 549 # install helper script 550 helperScriptName = "overlayfs-create-dirs.sh" 551 helperScriptSource = oe.path.join(d.getVar("COREBASE"), "meta/files", helperScriptName) 552 helperScriptDest = oe.path.join(d.getVar("IMAGE_ROOTFS"), "/usr/sbin/", helperScriptName) 553 shutil.copyfile(helperScriptSource, helperScriptDest) 554 os.chmod(helperScriptDest, 0o755) 555} 556