326 lines
9.8 KiB
Go
326 lines
9.8 KiB
Go
package main
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"strings"
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tbget "i2pgit.org/idk/i2p.plugins.tor-manager/get"
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)
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// Generates files corresponding to:
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// https://github.com/micahflee/torbrowser-launcher/blob/develop/apparmor/tunables/torbrowser
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func generateTunables() (string, error) {
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var returnable string
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userHome, err := os.UserHomeDir()
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if err != nil {
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return "", err
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}
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if *verbose {
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log.Println("Generating tunables for apparmor")
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}
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installDir := strings.Replace(client.TBD.BrowserDir(), userHome, "@{HOME}", 1)
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returnable += "@{torbrowser_installation_dir} = " + installDir + "\n"
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returnable += "@{torbrowser_home_dir} = " + installDir + "/Browser\n"
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return returnable, nil
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}
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func generateTorProfile() (string, error) {
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var returnable string
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userHome, err := os.UserHomeDir()
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if err != nil {
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return "", err
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}
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if *verbose {
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log.Println("Generating Tor profile for apparmor")
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}
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torBrowserExecutable := strings.Replace(filepath.Join(client.TBD.BrowserDir(), "Browser", "TorBrowser", "Tor", "tor"), userHome, "@{HOME}", 1)
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returnable += `#include <tunables/global>
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#include <tunables/torbrowser>
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@{torbrowser_tor_executable} = ` + torBrowserExecutable + `
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profile torbrowser_tor @{torbrowser_tor_executable} {
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#include <abstractions/base>
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network netlink raw,
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network tcp,
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network udp,
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/etc/host.conf r,
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/etc/nsswitch.conf r,
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/etc/passwd r,
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/etc/resolv.conf r,
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owner @{torbrowser_home_dir}/TorBrowser/Tor/tor mr,
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owner @{torbrowser_home_dir}/TorBrowser/Data/Tor/ rw,
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owner @{torbrowser_home_dir}/TorBrowser/Data/Tor/** rw,
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owner @{torbrowser_home_dir}/TorBrowser/Data/Tor/lock rwk,
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owner @{torbrowser_home_dir}/TorBrowser/Tor/*.so mr,
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owner @{torbrowser_home_dir}/TorBrowser/Tor/*.so.* mr,
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# Support some of the included pluggable transports
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owner @{torbrowser_home_dir}/TorBrowser/Tor/PluggableTransports/** rix,
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@{PROC}/sys/net/core/somaxconn r,
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#include <abstractions/ssl_certs>
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# Silence file_inherit logs
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deny @{torbrowser_home_dir}/{browser/,}omni.ja r,
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deny @{torbrowser_home_dir}/{browser/,}features/*.xpi r,
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deny @{torbrowser_home_dir}/TorBrowser/Data/Browser/profile.default/.parentlock rw,
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deny @{torbrowser_home_dir}/TorBrowser/Data/Browser/profile.default/extensions/*.xpi r,
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deny @{torbrowser_home_dir}/TorBrowser/Data/Browser/profile.default/startupCache/* r,
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# Silence logs from included pluggable transports
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deny /etc/hosts r,
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deny /etc/services r,
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@{PROC}/sys/kernel/random/uuid r,
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/sys/devices/system/cpu/ r,
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# OnionShare compatibility
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/tmp/onionshare/** rw,
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#include <local/torbrowser.Tor.tor>
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}`
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return returnable, nil
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}
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func generateFirefoxProfile() (string, error) {
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var returnable string
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userHome, err := os.UserHomeDir()
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if err != nil {
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return "", err
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}
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if *verbose {
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log.Println("Generating Firefox profile for apparmor")
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}
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firefoxBrowserExecutable := strings.Replace(filepath.Join(client.TBD.BrowserDir(), "Browser", "firefox.real"), userHome, "@{HOME}", 1)
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returnable += `#include <tunables/global>
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#include <tunables/torbrowser>
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@{i2pbrowser_home_dir} = ` + strings.Replace(filepath.Join(tbget.UNPACK_PATH(), "i2p.firefox"), userHome, "@{HOME}", 1) + `
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@{torbrowser_firefox_executable} = ` + firefoxBrowserExecutable + `
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profile torbrowser_firefox @{torbrowser_firefox_executable} {
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#include <abstractions/audio>
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#include <abstractions/dri-enumerate>
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#include <abstractions/gnome>
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#include <abstractions/ibus>
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#include <abstractions/mesa>
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#include <abstractions/opencl>
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#include if exists <abstractions/vulkan>
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# Uncomment the following lines if you want to give the Tor Browser read-write
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# access to most of your personal files.
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# #include <abstractions/user-download>
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# @{HOME}/ r,
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# Audio support
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/{,usr/}bin/pulseaudio Pixr,
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#dbus,
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network netlink raw,
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network tcp,
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ptrace (trace) peer=@{profile_name},
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signal (receive, send) set=("term") peer=@{profile_name},
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deny /etc/host.conf r,
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deny /etc/hosts r,
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deny /etc/nsswitch.conf r,
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deny /etc/os-release r,
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deny /etc/resolv.conf r,
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deny /etc/passwd r,
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deny /etc/group r,
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deny /etc/mailcap r,
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/etc/osxhine-id r,
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/var/lib/dbus/osxhine-id r,
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/dev/ r,
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/dev/shm/ r,
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owner @{PROC}/@{pid}/cgroup r,
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owner @{PROC}/@{pid}/environ r,
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owner @{PROC}/@{pid}/fd/ r,
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owner @{PROC}/@{pid}/mountinfo r,
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owner @{PROC}/@{pid}/stat r,
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owner @{PROC}/@{pid}/status r,
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owner @{PROC}/@{pid}/task/*/stat r,
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@{PROC}/sys/kernel/random/uuid r,
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owner @{torbrowser_installation_dir}/ r,
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owner @{torbrowser_installation_dir}/* r,
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owner @{torbrowser_installation_dir}/.** rwk,
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owner @{torbrowser_installation_dir}/update.test/ rwk,
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owner @{torbrowser_home_dir}/.** rwk,
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owner @{torbrowser_home_dir}/ rw,
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owner @{torbrowser_home_dir}/** rwk,
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owner @{torbrowser_home_dir}.bak/ rwk,
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owner @{torbrowser_home_dir}.bak/** rwk,
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owner @{torbrowser_home_dir}/*.so mr,
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owner @{torbrowser_home_dir}/.cache/fontconfig/ rwk,
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owner @{torbrowser_home_dir}/.cache/fontconfig/** rwkl,
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owner @{torbrowser_home_dir}/browser/** r,
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owner @{torbrowser_home_dir}/{,browser/}components/*.so mr,
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owner @{torbrowser_home_dir}/Downloads/ rwk,
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owner @{torbrowser_home_dir}/Downloads/** rwk,
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owner @{torbrowser_home_dir}/firefox rix,
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owner @{torbrowser_home_dir}/{,TorBrowser/UpdateInfo/}updates/[0-9]*/* rw,
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owner @{torbrowser_home_dir}/{,TorBrowser/UpdateInfo/}updates/[0-9]*/{,MozUpdater/bgupdate/}updater ix,
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owner @{torbrowser_home_dir}/updater ix,
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owner @{torbrowser_home_dir}/TorBrowser/Data/Browser/.parentwritetest rw,
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owner @{torbrowser_home_dir}/TorBrowser/Data/Browser/profiles.ini r,
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owner @{torbrowser_home_dir}/TorBrowser/Data/Browser/profile.default/{,**} rwk,
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owner @{torbrowser_home_dir}/TorBrowser/Data/fontconfig/fonts.conf r,
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owner @{torbrowser_home_dir}/fonts/* l,
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owner @{torbrowser_home_dir}/TorBrowser/Tor/tor px,
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owner @{torbrowser_home_dir}/TorBrowser/Tor/ r,
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owner @{torbrowser_home_dir}/TorBrowser/Tor/*.so mr,
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owner @{torbrowser_home_dir}/TorBrowser/Tor/*.so.* mr,
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owner @{torbrowser_home_dir}/TorBrowser/Tor/libstdc++/*.so mr,
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owner @{torbrowser_home_dir}/TorBrowser/Tor/libstdc++/*.so.* mr,
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owner @{i2pbrowser_home_dir}/i2p.firefox/{,**} rwk,
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# parent Firefox process when restarting after upgrade, Web Content processes
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owner @{torbrowser_firefox_executable} pxmr -> torbrowser_firefox,
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/etc/mailcap r,
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/etc/mime.types r,
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/usr/share/ r,
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/usr/share/glib-2.0/schemas/gschemas.compiled r,
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/usr/share/mime/ r,
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/usr/share/themes/ r,
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/usr/share/applications/** rk,
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/usr/share/gnome/applications/ r,
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/usr/share/gnome/applications/kde4/ r,
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/usr/share/poppler/cMap/ r,
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# Distribution homepage
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/usr/share/homepage/ r,
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/usr/share/homepage/** r,
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/sys/bus/pci/devices/ r,
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@{sys}/devices/pci[0-9]*/**/irq r,
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/sys/devices/system/cpu/ r,
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/sys/devices/system/cpu/present r,
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/sys/devices/system/node/ r,
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/sys/devices/system/node/node[0-9]*/meminfo r,
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/sys/fs/cgroup/cpu,cpuacct/{,user.slice/}cpu.cfs_quota_us r,
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deny /sys/devices/virtual/block/*/uevent r,
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# Should use abstractions/gstreamer instead once merged upstream
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/etc/udev/udev.conf r,
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/run/udev/data/+pci:* r,
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/sys/devices/pci[0-9]*/**/uevent r,
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owner /{dev,run}/shm/shmfd-* rw,
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# Required for multiprocess Firefox (aka Electrolysis, i.e. e10s)
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owner /{dev,run}/shm/org.chromium.* rw,
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owner /dev/shm/org.mozilla.ipc.[0-9]*.[0-9]* rw, # for Chromium IPC
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# Required for Wayland display protocol support
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owner /dev/shm/wayland.mozilla.ipc.[0-9]* rw,
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# Silence denial logs about permissions we don't need
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deny @{HOME}/.cache/fontconfig/ rw,
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deny @{HOME}/.cache/fontconfig/** rw,
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deny @{HOME}/.config/gtk-2.0/ rw,
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deny @{HOME}/.config/gtk-2.0/** rw,
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deny @{PROC}/@{pid}/net/route r,
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deny /sys/devices/system/cpu/cpufreq/policy[0-9]*/cpuinfo_max_freq r,
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deny /sys/devices/system/cpu/*/cache/index[0-9]*/size r,
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deny /run/user/[0-9]*/dconf/user rw,
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deny /usr/bin/lsb_release x,
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# Silence denial logs about PulseAudio
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deny /etc/pulse/client.conf r,
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deny /usr/bin/pulseaudio x,
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# KDE 4
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owner @{HOME}/.kde/share/config/* r,
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# Xfce4
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/etc/xfce4/defaults.list r,
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/usr/share/xfce4/applications/ r,
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# u2f (tested with Yubikey 4)
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/sys/class/ r,
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/sys/bus/ r,
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/sys/class/hidraw/ r,
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/run/udev/data/c24{5,7,9}:* r,
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/dev/hidraw* rw,
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# Yubikey NEO also needs this:
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/sys/devices/**/hidraw/hidraw*/uevent r,
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# Needed for Firefox sandboxing via unprivileged user namespaces
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capability sys_admin,
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capability sys_chroot,
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owner @{PROC}/@{pid}/{gid,uid}_map w,
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owner @{PROC}/@{pid}/setgroups w,
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# Remove these rules once we can assume abstractions/vulkan is recent enough
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# to include them
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/etc/glvnd/egl_vendor.d/{*,.json} r,
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/usr/share/glvnd/egl_vendor.d/{,*.json} r,
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#include <local/torbrowser.Browser.firefox>
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}
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`
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return returnable, nil
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}
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func GenerateAppArmor() error {
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if tunables, err := generateTunables(); err == nil {
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path := filepath.Join(tbget.UNPACK_PATH(), "tunables.torbrowser.apparmor")
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if *verbose {
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fmt.Printf("Writing %s\n", path)
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}
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if err := ioutil.WriteFile(path, []byte(tunables), 0644); err != nil {
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return err
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}
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if *verbose {
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fmt.Printf("%s", tunables)
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}
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} else {
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return err
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}
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if torProfile, err := generateTorProfile(); err == nil {
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path := filepath.Join(tbget.UNPACK_PATH(), "torbrowser.Tor.tor.apparmor")
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if *verbose {
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fmt.Printf("Writing %s\n", path)
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}
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if err := ioutil.WriteFile(path, []byte(torProfile), 0644); err != nil {
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return err
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}
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if *verbose {
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fmt.Printf("%s", torProfile)
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}
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} else {
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return err
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}
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if firefoxProfile, err := generateFirefoxProfile(); err == nil {
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path := filepath.Join(tbget.UNPACK_PATH(), "torbrowser.Browser.firefox.apparmor")
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if *verbose {
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fmt.Printf("Writing %s\n", path)
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}
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if err := ioutil.WriteFile(path, []byte(firefoxProfile), 0644); err != nil {
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return err
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}
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if *verbose {
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fmt.Printf("%s", firefoxProfile)
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}
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} else {
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return err
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}
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return nil
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}
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