Ophestra
823f9c76a7
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This will be part of the standard toolchain. Signed-off-by: Ophestra <cat@gensokyo.uk>
359 lines
8.6 KiB
Go
359 lines
8.6 KiB
Go
package rosa
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import (
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"fmt"
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"io"
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"net/http"
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"os"
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"slices"
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"strings"
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"time"
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"hakurei.app/container/fhs"
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"hakurei.app/internal/pkg"
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)
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// busyboxBin is a busybox binary distribution installed under bin/busybox.
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type busyboxBin struct {
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// Underlying busybox binary.
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bin pkg.File
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}
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// Kind returns the hardcoded [pkg.Kind] value.
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func (a busyboxBin) Kind() pkg.Kind { return kindBusyboxBin }
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// Params is a noop.
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func (a busyboxBin) Params(*pkg.IContext) {}
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// Dependencies returns the underlying busybox [pkg.File].
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func (a busyboxBin) Dependencies() []pkg.Artifact {
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return []pkg.Artifact{a.bin}
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}
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// String returns the reporting name of the underlying file prefixed with expand.
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func (a busyboxBin) String() string {
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return "expand-" + a.bin.(fmt.Stringer).String()
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}
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// Cure installs the underlying busybox [pkg.File] to bin/busybox.
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func (a busyboxBin) Cure(t *pkg.TContext) (err error) {
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var r io.ReadCloser
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if r, err = t.Open(a.bin); err != nil {
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return
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}
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defer func() {
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closeErr := r.Close()
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if err == nil {
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err = closeErr
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}
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}()
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binDir := t.GetWorkDir().Append("bin")
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if err = os.MkdirAll(binDir.String(), 0700); err != nil {
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return
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}
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var w *os.File
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if w, err = os.OpenFile(
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binDir.Append("busybox").String(),
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os.O_WRONLY|os.O_CREATE|os.O_EXCL,
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0500,
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); err != nil {
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return
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}
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defer func() {
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closeErr := w.Close()
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if err == nil {
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err = closeErr
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}
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}()
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_, err = io.Copy(w, r)
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return
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}
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// newBusyboxBin returns a [pkg.Artifact] containing a busybox installation from
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// the https://busybox.net/downloads/binaries/ binary release.
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func newBusyboxBin() pkg.Artifact {
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const (
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version = "1.35.0"
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checksum = "L7OBIsPu9enNHn7FqpBT1kOg_mCLNmetSeNMA3i4Y60Z5jTgnlX3qX3zcQtLx5AB"
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)
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return pkg.NewExec(
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"busybox-bin-"+version, nil, pkg.ExecTimeoutMax, fhs.AbsRoot, []string{
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"PATH=/system/bin",
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},
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AbsSystem.Append("bin", "busybox"),
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[]string{"hush", "-c", "" +
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"busybox mkdir -p /work/system/bin/ && " +
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"busybox cp /system/bin/busybox /work/system/bin/ && " +
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"busybox --install -s /work/system/bin/"},
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pkg.Path(AbsSystem, true, busyboxBin{pkg.NewHTTPGet(
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&http.Client{Transport: &http.Transport{
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// busybox website is really slow to respond
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TLSHandshakeTimeout: 2 * time.Minute,
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}},
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"https://busybox.net/downloads/binaries/"+
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version+"-"+linuxArch()+"-linux-musl/busybox",
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mustDecode(checksum),
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)}),
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)
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}
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// NewBusybox returns a [pkg.Artifact] containing a dynamically linked busybox
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// installation usable within the [Toolchain] it is compiled against.
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func (t Toolchain) NewBusybox() pkg.Artifact {
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const (
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version = "1.37.0"
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checksum = "Ial94Tnt7esJ_YEeb0AxunVL6MGYFyOw7Rtu2o87CXCi1TLrc6rlznVsN1rZk7it"
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)
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extra := []pkg.Artifact{
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t.NewMake(),
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t.NewKernelHeaders(),
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}
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var env []string
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if t == toolchainStage3 {
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extra = nil
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env = append(env, "EXTRA_LDFLAGS=-static")
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}
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return t.New("busybox-"+version, extra, nil, slices.Concat([]string{
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"ROSA_BUSYBOX_ENABLE=" + strings.Join([]string{
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"STATIC",
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"PIE",
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}, " "),
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"ROSA_BUSYBOX_DISABLE=" + strings.Join([]string{
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"FEATURE_IPV6",
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"FEATURE_PREFER_IPV4_ADDRESS",
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"FEATURE_HWIB",
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"ARP",
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"ARPING",
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"BRCTL",
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"FEATURE_BRCTL_FANCY",
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"FEATURE_BRCTL_SHOW",
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"DNSD",
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"ETHER_WAKE",
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"FTPD",
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"FEATURE_FTPD_WRITE",
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"FEATURE_FTPD_ACCEPT_BROKEN_LIST",
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"FEATURE_FTPD_AUTHENTICATION",
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"FTPGET",
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"FTPPUT",
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"FEATURE_FTPGETPUT_LONG_OPTIONS",
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"HOSTNAME",
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"DNSDOMAINNAME",
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"HTTPD",
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"FEATURE_HTTPD_PORT_DEFAULT",
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"FEATURE_HTTPD_RANGES",
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"FEATURE_HTTPD_SETUID",
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"FEATURE_HTTPD_BASIC_AUTH",
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"FEATURE_HTTPD_AUTH_MD5",
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"FEATURE_HTTPD_CGI",
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"FEATURE_HTTPD_CONFIG_WITH_SCRIPT_INTERPR",
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"FEATURE_HTTPD_SET_REMOTE_PORT_TO_ENV",
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"FEATURE_HTTPD_ENCODE_URL_STR",
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"FEATURE_HTTPD_ERROR_PAGES",
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"FEATURE_HTTPD_PROXY",
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"FEATURE_HTTPD_GZIP",
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"FEATURE_HTTPD_ETAG",
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"FEATURE_HTTPD_LAST_MODIFIED",
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"FEATURE_HTTPD_DATE",
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"FEATURE_HTTPD_ACL_IP",
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"IFCONFIG",
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"FEATURE_IFCONFIG_STATUS",
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"FEATURE_IFCONFIG_SLIP",
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"FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ",
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"FEATURE_IFCONFIG_HW",
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"FEATURE_IFCONFIG_BROADCAST_PLUS",
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"IFENSLAVE",
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"IFPLUGD",
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"IFUP",
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"IFDOWN",
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"IFUPDOWN_IFSTATE_PATH",
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"FEATURE_IFUPDOWN_IP",
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"FEATURE_IFUPDOWN_IPV4",
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"FEATURE_IFUPDOWN_IPV6",
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"FEATURE_IFUPDOWN_MAPPING",
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"INETD",
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"FEATURE_INETD_SUPPORT_BUILTIN_ECHO",
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"FEATURE_INETD_SUPPORT_BUILTIN_DISCARD",
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"FEATURE_INETD_SUPPORT_BUILTIN_TIME",
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"FEATURE_INETD_SUPPORT_BUILTIN_DAYTIME",
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"FEATURE_INETD_SUPPORT_BUILTIN_CHARGEN",
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"IP",
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"IPADDR",
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"IPLINK",
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"IPROUTE",
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"IPTUNNEL",
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"IPRULE",
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"IPNEIGH",
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"FEATURE_IP_ADDRESS",
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"FEATURE_IP_LINK",
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"FEATURE_IP_LINK_CAN",
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"FEATURE_IP_ROUTE",
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"FEATURE_IP_ROUTE_DIR",
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"FEATURE_IP_TUNNEL",
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"FEATURE_IP_RULE",
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"FEATURE_IP_NEIGH",
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"IPCALC",
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"FEATURE_IPCALC_LONG_OPTIONS",
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"FEATURE_IPCALC_FANCY",
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"FAKEIDENTD",
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"NAMEIF",
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"FEATURE_NAMEIF_EXTENDED",
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"NBDCLIENT",
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"NC",
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"NC_SERVER",
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"NC_EXTRA",
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"NC_110_COMPAT",
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"NETSTAT",
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"FEATURE_NETSTAT_WIDE",
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"FEATURE_NETSTAT_PRG",
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"NSLOOKUP",
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"FEATURE_NSLOOKUP_BIG",
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"FEATURE_NSLOOKUP_LONG_OPTIONS",
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"NTPD",
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"FEATURE_NTPD_SERVER",
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"FEATURE_NTPD_CONF",
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"FEATURE_NTP_AUTH",
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"PING",
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"PING6",
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"FEATURE_FANCY_PING",
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"PSCAN",
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"ROUTE",
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"SLATTACH",
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"SSL_CLIENT",
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"TC",
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"FEATURE_TC_INGRESS",
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"TCPSVD",
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"UDPSVD",
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"TELNET",
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"FEATURE_TELNET_TTYPE",
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"FEATURE_TELNET_AUTOLOGIN",
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"FEATURE_TELNET_WIDTH",
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"TELNETD",
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"FEATURE_TELNETD_STANDALONE",
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"FEATURE_TELNETD_PORT_DEFAULT",
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"FEATURE_TELNETD_INETD_WAIT",
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"TFTP",
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"FEATURE_TFTP_PROGRESS_BAR",
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"FEATURE_TFTP_HPA_COMPAT",
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"TFTPD",
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"FEATURE_TFTP_GET",
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"FEATURE_TFTP_PUT",
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"FEATURE_TFTP_BLOCKSIZE",
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"TLS",
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"TRACEROUTE",
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"TRACEROUTE6",
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"FEATURE_TRACEROUTE_VERBOSE",
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"FEATURE_TRACEROUTE_USE_ICMP",
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"TUNCTL",
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"FEATURE_TUNCTL_UG",
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"VCONFIG",
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"WGET",
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"FEATURE_WGET_LONG_OPTIONS",
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"FEATURE_WGET_STATUSBAR",
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"FEATURE_WGET_FTP",
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"FEATURE_WGET_AUTHENTICATION",
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"FEATURE_WGET_TIMEOUT",
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"FEATURE_WGET_HTTPS",
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"FEATURE_WGET_OPENSSL",
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"WHOIS",
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"ZCIP",
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"UDHCPD",
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"FEATURE_UDHCPD_BOOTP",
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"FEATURE_UDHCPD_WRITE_LEASES_EARLY",
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"DHCPD_LEASES_FILE",
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"DUMPLEASES",
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"DHCPRELAY",
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"UDHCPC",
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"FEATURE_UDHCPC_ARPING",
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"FEATURE_UDHCPC_SANITIZEOPT",
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"UDHCPC_DEFAULT_SCRIPT",
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"UDHCPC6_DEFAULT_SCRIPT",
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"UDHCPC6",
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"FEATURE_UDHCPC6_RFC3646",
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"FEATURE_UDHCPC6_RFC4704",
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"FEATURE_UDHCPC6_RFC4833",
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"FEATURE_UDHCPC6_RFC5970",
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}, " "),
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}, env), `
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config_enable() {
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for ent in "$@"; do
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sed "s/^# CONFIG_${ent}.*/CONFIG_${ent}=y/" -i .config
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shift
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done
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}
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config_disable() {
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for ent in "$@"; do
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sed "s/^CONFIG_${ent}=y/# CONFIG_${ent} is not set/" -i .config
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shift
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done
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}
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cat > /bin/gcc << EOF
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exec clang \
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-Wno-ignored-optimization-argument \
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${ROSA_CFLAGS} \
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${LDFLAGS} \
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\$@
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EOF
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chmod +x /bin/gcc
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cd /usr/src/busybox
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chmod +w editors editors/awk.c
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patch -p 1 < /usr/src/patches/awk-fix-literal-backslash.patch
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cd "$(mktemp -d)"
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make \
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KBUILD_SRC=/usr/src/busybox \
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-f /usr/src/busybox/Makefile \
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defconfig
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config_enable $ROSA_BUSYBOX_ENABLE
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config_disable $ROSA_BUSYBOX_DISABLE
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ln -s ../system/bin/pwd /bin/pwd || true
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make CFLAGS_busybox="${LDFLAGS} ${EXTRA_LDFLAGS}" "-j$(nproc)"
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mkdir -p /system/bin/ /work/bin/
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cp busybox /system/bin/
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mkdir -pv /work/system/bin/
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busybox --install -s /work/system/bin/
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cp -v busybox /work/system/bin/
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ln -vs ../system/bin/hush /work/bin/sh
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`, pkg.Path(AbsUsrSrc.Append("busybox"), true, pkg.NewHTTPGetTar(
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&http.Client{Transport: &http.Transport{
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// busybox website is really slow to respond
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TLSHandshakeTimeout: 2 * time.Minute,
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}},
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"https://busybox.net/downloads/busybox-"+version+".tar.bz2",
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mustDecode(checksum),
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pkg.TarBzip2,
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)), pkg.Path(
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AbsUsrSrc.Append("patches", "awk-fix-literal-backslash.patch"), false,
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pkg.NewFile("awk-fix-literal-backslash.patch", []byte(`diff --git a/editors/awk.c b/editors/awk.c
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index 64e752f4b..40f5ba7f7 100644
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--- a/editors/awk.c
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+++ b/editors/awk.c
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@@ -2636,8 +2636,13 @@ static int awk_sub(node *rn, const char *repl, int nm, var *src, var *dest /*,in
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resbuf = qrealloc(resbuf, residx + replen + n, &resbufsize);
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memcpy(resbuf + residx, sp + pmatch[j].rm_so - start_ofs, n);
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residx += n;
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- } else
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+ } else {
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+/* '\\' and '&' following a backslash keep its original meaning, any other
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+ * occurrence of a '\\' should be treated as literal */
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+ if (bslash && c != '\\' && c != '&')
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+ resbuf[residx++] = '\\';
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resbuf[residx++] = c;
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+ }
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bslash = 0;
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}
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}`)),
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))
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}
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