Initial commit

meta-google/recipes-core/busybox/busybox_%.bbappend

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+FILESEXTRAPATHS:prepend:gbmc := "${THISDIR}/files:"
+SRC_URI:append:gbmc = " file://gbmc.cfg"
+SRC_URI:remove:gbmc = "file://syslog.cfg"

meta-google/recipes-core/busybox/files/gbmc.cfg

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+# gBMC uses iproute2
+CONFIG_IP=n
+CONFIG_NETSTAT=n
+
+# Debugging utilities
+CONFIG_LSOF=y
+CONFIG_LSUSB=y
+
+# Used for line buffering
+CONFIG_SCRIPT=y
+
+# Used by NC-SId
+CONFIG_FEATURE_IPV6=y
+CONFIG_UDHCPC6=y
+CONFIG_FEATURE_UDHCPC6_RFC3646=y
+CONFIG_FEATURE_UDHCPC6_RFC4704=y
+CONFIG_FEATURE_UDHCPC6_RFC4833=y
+CONFIG_FEATURE_UDHCPC6_RFC5970=y
+
+# Misc
+CONFIG_BC=y
+CONFIG_TRUNCATE=y
+CONFIG_BASE64=y
+CONFIG_FEATURE_TOP_INTERACTIVE=y
+CONFIG_FEATURE_TOP_SMP_CPU=y
+CONFIG_FEATURE_TOP_SMP_PROCESS=y
+CONFIG_FEATURE_TOPMEM=y
+CONFIG_FEATURE_CPIO_O=y
+
+# Remove unused things
+CONFIG_BUNZIP2=n
+CONFIG_BZIP2=n
+CONFIG_UNZIP=n
+CONFIG_ADDGROUP=n
+CONFIG_ADDUSER=n
+CONFIG_DELGROUP=n
+CONFIG_DELUSER=n
+CONFIG_LOGIN=n
+CONFIG_SU=n
+CONFIG_SULOGIN=n
+CONFIG_FDISK=n
+CONFIG_FSTRIM=n
+CONFIG_MKSWAP=n
+CONFIG_SWAPON=n
+CONFIG_SWAPOFF=n
+CONFIG_IFCONFIG=n
+CONFIG_IFUP=n
+CONFIG_IFDOWN=n
+CONFIG_ROUTE=n
+CONFIG_TFTP=n
+CONFIG_TLS=n
+CONFIG_TRACEROUTE=n
+CONFIG_KLOGD=n
+CONFIG_LOGREAD=n
+CONFIG_SYSLOGD=n

meta-google/recipes-core/dropbear/dropbear/dropbear.default

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+DROPBEAR_EXTRA_ARGS=""

meta-google/recipes-core/dropbear/dropbear_%.bbappend

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+FILESEXTRAPATHS:prepend:gbmc := "${THISDIR}/${PN}:"
+SRC_URI:append:gbmc  = " file://dropbear.default"
+SYSTEMD_AUTO_ENABLE:${PN}:prod = "disable"
+
+FILESEXTRAPATHS:remove:gbmc:bandaid := "${THISDIR}/${PN}:"
+SYSTEMD_AUTO_ENABLE:${PN}:bandaid:prod = "enable"
+
+# Allow SSH to the gbmc-bridge node on DEV builds
+do_install:append:gbmc:dev() {
+  nftables_dir=${D}${sysconfdir}/nftables
+  rules=$nftables_dir/50-dropbear-dev.rules
+  install -d -m0755 $nftables_dir
+  echo 'table inet filter {' >"$rules"
+  echo '    chain gbmc_br_pub_input {' >>"$rules"
+  echo '        tcp dport 22 accept' >>"$rules"
+  echo '    }' >>"$rules"
+  echo '}' >>"$rules"
+}

meta-google/recipes-core/os-release/os-release.bbappend

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+python() {
+    # Instead of using BB_ENV_EXTRAWHITE, we can get info from the
+    # shell environment this way.
+    origenv = d.getVar("BB_ORIGENV", False)
+    memo = origenv.getVar("BUILD_MEMO", False)
+    if memo:
+        d.setVar("BUILD_MEMO", memo)
+}
+
+IMAGE_TYPE = "${GBMC_CONFIG}"
+GBMC_TARGET_MACHINE ?= "${MACHINE}"
+
+OS_RELEASE_FIELDS:append:gbmc = " BUILD_MEMO IMAGE_TYPE GBMC_TARGET_MACHINE"