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No commits in common. "3dcb012e0520b69f1298f3d0b97d33f2c0bd62b7" and "dca59af8cb7bf03920bf05dc706611fae618800a" have entirely different histories.

12 changed files with 69 additions and 371 deletions

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@ -1,6 +1,6 @@
pkgbase = discord-electron-openasar pkgbase = discord-electron-openasar
pkgdesc = Discord packaged with OpenAsar using system provided electron (v30) for increased security and performance pkgdesc = Discord packaged with OpenAsar using system provided electron (v30) for increased security and performance
pkgver = 0.0.55+827 pkgver = 0.0.54+827
pkgrel = 1 pkgrel = 1
url = https://discord.com url = https://discord.com
install = discord-electron-openasar.install install = discord-electron-openasar.install
@ -14,22 +14,18 @@ pkgbase = discord-electron-openasar
depends = electron30 depends = electron30
depends = libxss depends = libxss
depends = unzip depends = unzip
depends = python
optdepends = libpulse: Pulseaudio support optdepends = libpulse: Pulseaudio support
optdepends = libappindicator-gtk3: Systray indicator support optdepends = libappindicator-gtk3: Systray indicator support
optdepends = xdg-utils: Open files optdepends = xdg-utils: Open files
optdepends = python-pyelftools: Required for Krisp patcher optdepends = rizin: Allow patching Krisp support
optdepends = python-capstone: Required for Krisp patcher
provides = discord provides = discord
conflicts = discord conflicts = discord
options = !strip options = !strip
source = https://dl.discordapp.net/apps/linux/0.0.55/discord-0.0.55.tar.gz source = https://dl.discordapp.net/apps/linux/0.0.54/discord-0.0.54.tar.gz
source = discord-launcher.sh source = discord-launcher.sh
source = krisp-patcher.py
source = git+https://github.com/goosemod/openasar.git#commit=4f264d860a5a6a32e1862ce26178b9cf6402335d source = git+https://github.com/goosemod/openasar.git#commit=4f264d860a5a6a32e1862ce26178b9cf6402335d
sha512sums = c12365109cb4db94033fda101073d2a3d6af7bdc9728e025494ee8d44ebf5f27623861879ec38bb7dd88d40de7cddede268e0f5e44bfeb586fc12713a3758c5b sha512sums = ceb6265e846fafd27e3c2941f00f0a2d4e045abe5471a2691b070bedb330ef345edee838a706b27ff65ecce40aec46b1a1dd9c4bb9763dadaa907ec181c1a222
sha512sums = fc25a6ac9ca2881a94158ed972039a4dcc082db91a8ba072f2f896b65a788c9decb4456c71da977ac2976e72d081c6c66aa4bb27b5d58cf946dfea6086b0d557 sha512sums = 9d00f9d2e05c2ba31c930c066f247954700bb0f96f2fc605e61c3973d7dacf962bf372659b71e05e5d8d4e152cc884bf12ec1fb5ecbfc4da55d22ab2591c4c40
sha512sums = 3c1021592fa856f3561072c76b5ee0b5a34a53bc230336e6d36827efb4866c9d801ef7abb24650d3a7210c61dd57f35e2812ae89226fc157cc8d9ffce032155f
sha512sums = 055bbe5fbc63a715ab8357db8aabacad282e3d176b48e322d7133a5887291577687456bbfaf7b832d19f13b1a5a373e2c0f6f82664887509feb3c193ee4f1849 sha512sums = 055bbe5fbc63a715ab8357db8aabacad282e3d176b48e322d7133a5887291577687456bbfaf7b832d19f13b1a5a373e2c0f6f82664887509feb3c193ee4f1849
pkgname = discord-electron-openasar pkgname = discord-electron-openasar

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@ -2,7 +2,7 @@
pkgname=discord-electron-openasar pkgname=discord-electron-openasar
_pkgname=discord _pkgname=discord
pkgver=0.0.55+827 pkgver=0.0.54+827
_pkgver=${pkgver%%+*} _pkgver=${pkgver%%+*}
pkgrel=1 pkgrel=1
_electronver=30 _electronver=30
@ -15,24 +15,23 @@ url='https://discord.com'
license=('custom') license=('custom')
options=('!strip') options=('!strip')
install="$pkgname.install" install="$pkgname.install"
depends=("${_electronname}" 'libxss' 'unzip' 'python') depends=("${_electronname}" 'libxss' 'unzip')
makedepends=('git' 'asar' 'nodejs' 'curl' 'python-html2text') makedepends=('git' 'asar' 'nodejs' 'curl' 'python-html2text')
optdepends=( optdepends=(
'libpulse: Pulseaudio support' 'libpulse: Pulseaudio support'
'libappindicator-gtk3: Systray indicator support' 'libappindicator-gtk3: Systray indicator support'
'xdg-utils: Open files' 'xdg-utils: Open files'
'python-pyelftools: Required for Krisp patcher' 'rizin: Allow patching Krisp support'
'python-capstone: Required for Krisp patcher'
) )
source=("https://dl.discordapp.net/apps/linux/${_pkgver}/${_pkgname}-${_pkgver}.tar.gz" source=("https://dl.discordapp.net/apps/linux/${_pkgver}/${_pkgname}-${_pkgver}.tar.gz"
'discord-launcher.sh' 'discord-launcher.sh'
'krisp-patcher.py' # original: https://github.com/sersorrel/sys/blob/main/hm/discord/krisp-patcher.py
"git+https://github.com/goosemod/openasar.git#commit=4f264d860a5a6a32e1862ce26178b9cf6402335d") "git+https://github.com/goosemod/openasar.git#commit=4f264d860a5a6a32e1862ce26178b9cf6402335d")
sha512sums=('c12365109cb4db94033fda101073d2a3d6af7bdc9728e025494ee8d44ebf5f27623861879ec38bb7dd88d40de7cddede268e0f5e44bfeb586fc12713a3758c5b' sha512sums=('ceb6265e846fafd27e3c2941f00f0a2d4e045abe5471a2691b070bedb330ef345edee838a706b27ff65ecce40aec46b1a1dd9c4bb9763dadaa907ec181c1a222'
'fc25a6ac9ca2881a94158ed972039a4dcc082db91a8ba072f2f896b65a788c9decb4456c71da977ac2976e72d081c6c66aa4bb27b5d58cf946dfea6086b0d557' '9d00f9d2e05c2ba31c930c066f247954700bb0f96f2fc605e61c3973d7dacf962bf372659b71e05e5d8d4e152cc884bf12ec1fb5ecbfc4da55d22ab2591c4c40'
'3c1021592fa856f3561072c76b5ee0b5a34a53bc230336e6d36827efb4866c9d801ef7abb24650d3a7210c61dd57f35e2812ae89226fc157cc8d9ffce032155f'
'055bbe5fbc63a715ab8357db8aabacad282e3d176b48e322d7133a5887291577687456bbfaf7b832d19f13b1a5a373e2c0f6f82664887509feb3c193ee4f1849') '055bbe5fbc63a715ab8357db8aabacad282e3d176b48e322d7133a5887291577687456bbfaf7b832d19f13b1a5a373e2c0f6f82664887509feb3c193ee4f1849')
_krisp_b2sum='c4e49b1a0be64cacd23474c5e474130084755f2de36af01686ce94c6eceea67426b6d6aa81889a418f9d08476476e99d63479b6131d1f7eaef987ecf4d779cf9'
# just in case I get the version wrong # just in case I get the version wrong
pkgver() { pkgver() {
cd "${srcdir}/openasar" cd "${srcdir}/openasar"
@ -44,6 +43,7 @@ prepare() {
sed -i -e "s|@PKGNAME@|${_pkgname}|g" \ sed -i -e "s|@PKGNAME@|${_pkgname}|g" \
-e "s|@PKGVER@|${_pkgver}|g" \ -e "s|@PKGVER@|${_pkgver}|g" \
-e "s|@ELECTRON@|${_electronname}|g" \ -e "s|@ELECTRON@|${_electronname}|g" \
-e "s|@KRISPB2@|${_krisp_b2sum}|g" \
discord-launcher.sh discord-launcher.sh
# fix the .desktop file # fix the .desktop file
@ -69,14 +69,15 @@ build() {
package() { package() {
# create necessary directories # create necessary directories
install -d "${pkgdir}"/usr/lib/$_pkgname install -d "${pkgdir}"/usr/{lib/$_pkgname,bin}
install -d "${pkgdir}"/usr/share/{pixmaps,applications,licenses/$_pkgname}
# copy relevant data # copy relevant data
cp -r ${_pkgname^}/resources "${pkgdir}"/usr/lib/$_pkgname/ cp -r ${_pkgname^}/resources "${pkgdir}"/usr/lib/$_pkgname/
cp ${_pkgname^}/$_pkgname.png \
# intall icon and desktop file "${pkgdir}"/usr/share/pixmaps/$_pkgname.png
install -Dm 644 ${_pkgname^}/$_pkgname.png "${pkgdir}"/usr/share/pixmaps/$_pkgname.png cp ${_pkgname^}/$_pkgname.desktop \
install -Dm 644 ${_pkgname^}/$_pkgname.desktop "${pkgdir}"/usr/share/applications/$_pkgname.desktop "${pkgdir}"/usr/share/applications/$_pkgname.desktop
# overwrite Discord asar # overwrite Discord asar
install -Dm 644 openasar/app.asar "${pkgdir}"/usr/lib/$_pkgname/resources/ install -Dm 644 openasar/app.asar "${pkgdir}"/usr/lib/$_pkgname/resources/
@ -84,10 +85,7 @@ package() {
# install the launch script # install the launch script
install -Dm 755 discord-launcher.sh "${pkgdir}"/usr/bin/$_pkgname install -Dm 755 discord-launcher.sh "${pkgdir}"/usr/bin/$_pkgname
# install krisp patcher
install -Dm 644 krisp-patcher.py "${pkgdir}"/usr/lib/${_pkgname}/
# install licenses # install licenses
install -Dm 644 LICENSE.md "${pkgdir}"/usr/share/licenses/$_pkgname/LICENSE.md install -Dm 644 LICENSE.md "${pkgdir}"/usr/share/licenses/$_pkgname/
install -Dm 644 OSS-LICENSES.md "${pkgdir}"/usr/share/licenses/$_pkgname/OSS-LICENSES.md install -Dm 644 OSS-LICENSES.md "${pkgdir}"/usr/share/licenses/$_pkgname/
} }

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@ -1,13 +1,4 @@
post_upgrade() { post_upgrade() {
# return if old package version is greater than or equal to 0.0.55+827-1...
(( $(vercmp $2 '0.0.55+827-1') >= 0 )) && return
cat <<EOF
==> Instead of using 'rizin' to patch Krisp support a patcher written in Python
is now used. Consider installing the necessary optional dependencies to use
this feature.
EOF
# return if old package version is greater than or equal to 0.0.39+824-2... # return if old package version is greater than or equal to 0.0.39+824-2...
(( $(vercmp $2 '0.0.39+824-2') >= 0 )) && return (( $(vercmp $2 '0.0.39+824-2') >= 0 )) && return
@ -35,9 +26,9 @@ EOF
post_install() { post_install() {
cat <<EOF cat <<EOF
==> For Krisp noise suppression support consider installing the necessary optional ==> For Krisp noise suppression support consider installing 'rizin' and
dependencies and setting 'PATCH_KRISP=true' in '~/.config/discord.conf'. setting 'PATCH_KRISP=true' in '~/.config/discord.conf'. Restart your
Restart your Discord client afterwards to apply the patch. Discord client afterwards to apply the patch.
==> Additional Electron flags can be set in '~/.config/discord-flags.conf'. ==> Additional Electron flags can be set in '~/.config/discord-flags.conf'.
EOF EOF
} }

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@ -1,18 +1,22 @@
#!/usr/bin/env bash #!/usr/bin/env bash
set -euo pipefail set -eo pipefail
declare -a flags declare -a flags
declare -l PATCH_KRISP
[[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@.conf" ]] && source "${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@.conf" [[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@.conf" ]] && source "${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@.conf"
flags_file="${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@-flags.conf" flags_file="${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@-flags.conf"
krisp_bin="${DISCORD_USER_DATA_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@}/@PKGVER@/modules/@PKGNAME@_krisp/@PKGNAME@_krisp.node" krisp_bin="${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@/@PKGVER@/modules/@PKGNAME@_krisp/@PKGNAME@_krisp.node"
krisp_b2=@KRISPB2@
if [[ "${PATCH_KRISP}" == true ]] && [[ -w "${krisp_bin}" ]] && python -c "import capstone; import elftools" &> /dev/null; then if hash rizin &> /dev/null && [[ "${PATCH_KRISP}" == true ]]; then
# Patch Krisp binary to ignore signature check # Patch Krisp binary to ignore signature check
python /usr/lib/@PKGNAME@/krisp-patcher.py "${krisp_bin}" if [[ -w "${krisp_bin}" && $(b2sum "${krisp_bin}" | head -c 128) == $krisp_b2 ]]; then
addr=$(rz-find -x '4881ec00010000' "${krisp_bin}" | head -n1)
rizin -q -w -c "s $addr + 0x30 ; wao nop" "${krisp_bin}" &> /dev/null
fi
fi fi
if [[ -r "${flags_file}" ]]; then if [[ -r "${flags_file}" ]]; then
@ -29,7 +33,7 @@ for line in "${MAPFILE[@]}"; do
fi fi
done done
unset flags_file krisp_bin unset flags_file krisp_bin krisp_b2
exec /usr/lib/@ELECTRON@/electron \ exec /usr/lib/@ELECTRON@/electron \

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@ -1,83 +0,0 @@
import sys
import shutil
from elftools.elf.elffile import ELFFile
from capstone import *
from capstone.x86 import *
if len(sys.argv) < 2:
print(f"Usage: {sys.argv[0]} [path to discord_krisp.node]")
# "Unix programs generally use 2 for command line syntax errors and 1 for all other kind of errors."
sys.exit(2)
executable = sys.argv[1]
elf = ELFFile(open(executable, "rb"))
symtab = elf.get_section_by_name('.symtab')
krisp_initialize_address = symtab.get_symbol_by_name("_ZN7discord15KrispInitializeEv")[0].entry.st_value
isSignedByDiscord_address = symtab.get_symbol_by_name("_ZN7discord4util17IsSignedByDiscordERKNSt4__Cr12basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEE")[0].entry.st_value
text = elf.get_section_by_name('.text')
text_start = text['sh_addr']
text_start_file = text['sh_offset']
# This seems to always be zero (.text starts at the right offset in the file). Do it just in case?
address_to_file = text_start_file - text_start
# Done with the ELF now.
# elf.close()
krisp_initialize_offset = krisp_initialize_address - address_to_file
isSignedByDiscord_offset = krisp_initialize_address - address_to_file
f = open(executable, "rb")
f.seek(krisp_initialize_offset)
krisp_initialize = f.read(64)
f.close()
# States
found_issigned_by_discord_call = False
found_issigned_by_discord_test = False
found_issigned_by_discord_je = False
found_already_patched = False
je_location = None
# We are looking for a call to IsSignedByDiscord, followed by a test, followed by a je.
# Then we patch the je into a two byte nop.
md = Cs(CS_ARCH_X86, CS_MODE_64)
md.detail = True
for i in md.disasm(krisp_initialize, krisp_initialize_address):
if i.id == X86_INS_CALL:
if i.operands[0].type == X86_OP_IMM:
if i.operands[0].imm == isSignedByDiscord_address:
found_issigned_by_discord_call = True
if i.id == X86_INS_TEST:
if found_issigned_by_discord_call:
found_issigned_by_discord_test = True
if i.id == X86_INS_JE:
if found_issigned_by_discord_test:
found_issigned_by_discord_je = True
je_location = i.address
break
if i.id == X86_INS_NOP:
if found_issigned_by_discord_test:
found_already_patched = True
break
if je_location:
print(f"Found patch location: 0x{je_location:x}")
shutil.copyfile(executable, executable + ".orig")
f = open(executable, 'rb+')
f.seek(je_location - address_to_file)
f.write(b'\x66\x90') # Two byte NOP
f.close()
else:
if found_already_patched:
print("Couldn't find patch location - already patched.")
else:
print("Couldn't find patch location - review manually. Sorry.")

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@ -1,57 +0,0 @@
#!/usr/bin/env bash
set -euo pipefail
readonly all_off="$(tput sgr0)"
readonly bold="${all_off}$(tput bold)"
readonly white="${bold}$(tput setaf 7)"
readonly blue="${bold}$(tput setaf 4)"
readonly red="${bold}$(tput setaf 1)"
msg() {
printf "${blue}::${white} $1${all_off}\n"
}
error() {
printf "${red}::${white} $1${all_off}\n"
}
msgbegin() {
printf "${blue}::${white} $1"
}
msgend() {
printf "$1${all_off}\n"
}
readonly krisp_zip='discord_krisp-1.zip'
readonly krisp_bin='discord_krisp.node'
# head to directory of this script
cd $(dirname "$0")
# update package to version used in PKGBUILD
source PKGBUILD
msg "Running updpkgsums (Updating checksums)"
updpkgsums
msg "Running mksrcinfo (Updating SRCINFO file)"
makepkg --printsrcinfo > .SRCINFO
msg "Getting Krisp module"
curl -O "https://dl.discordapp.net/apps/linux/${_pkgver:-${pkgver}}/modules/${krisp_zip}"
unzip "${krisp_zip}" "${krisp_bin}"
msg "Checking if Krisp module is patchable (watch output)"
python krisp-patcher.py "${krisp_bin}"
#msg "Updating Krisp module checksum"
#readonly chcksm=$(b2sum "${krisp_bin}.orig" | head -c 128)
#sed -i "s/^_krisp_b2sum='.*'$/_krisp_b2sum='${chcksm}'/" PKGBUILD
msgbegin "Cleaning up... "
rm -f "${krisp_zip}" "${krisp_bin}" "${krisp_bin}.orig"
msgend "Done"

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@ -1,6 +1,6 @@
pkgbase = discord-electron pkgbase = discord-electron
pkgdesc = Discord using system provided electron (v30) for increased security and performance pkgdesc = Discord using system provided electron (v30) for increased security and performance
pkgver = 0.0.55 pkgver = 0.0.54
pkgrel = 1 pkgrel = 1
url = https://discord.com url = https://discord.com
install = discord-electron.install install = discord-electron.install
@ -11,20 +11,16 @@ pkgbase = discord-electron
makedepends = python-html2text makedepends = python-html2text
depends = electron30 depends = electron30
depends = libxss depends = libxss
depends = python
optdepends = libpulse: Pulseaudio support optdepends = libpulse: Pulseaudio support
optdepends = libappindicator-gtk3: Systray indicator support optdepends = libappindicator-gtk3: Systray indicator support
optdepends = xdg-utils: Open files optdepends = xdg-utils: Open files
optdepends = python-pyelftools: Required for Krisp patcher optdepends = rizin: Allow patching Krisp support
optdepends = python-capstone: Required for Krisp patcher
provides = discord provides = discord
conflicts = discord conflicts = discord
options = !strip options = !strip
source = https://dl.discordapp.net/apps/linux/0.0.55/discord-0.0.55.tar.gz source = https://dl.discordapp.net/apps/linux/0.0.54/discord-0.0.54.tar.gz
source = discord-launcher.sh source = discord-launcher.sh
source = krisp-patcher.py sha512sums = ceb6265e846fafd27e3c2941f00f0a2d4e045abe5471a2691b070bedb330ef345edee838a706b27ff65ecce40aec46b1a1dd9c4bb9763dadaa907ec181c1a222
sha512sums = c12365109cb4db94033fda101073d2a3d6af7bdc9728e025494ee8d44ebf5f27623861879ec38bb7dd88d40de7cddede268e0f5e44bfeb586fc12713a3758c5b sha512sums = 9d00f9d2e05c2ba31c930c066f247954700bb0f96f2fc605e61c3973d7dacf962bf372659b71e05e5d8d4e152cc884bf12ec1fb5ecbfc4da55d22ab2591c4c40
sha512sums = fc25a6ac9ca2881a94158ed972039a4dcc082db91a8ba072f2f896b65a788c9decb4456c71da977ac2976e72d081c6c66aa4bb27b5d58cf946dfea6086b0d557
sha512sums = 3c1021592fa856f3561072c76b5ee0b5a34a53bc230336e6d36827efb4866c9d801ef7abb24650d3a7210c61dd57f35e2812ae89226fc157cc8d9ffce032155f
pkgname = discord-electron pkgname = discord-electron

View file

@ -1,6 +1,6 @@
pkgname=discord-electron pkgname=discord-electron
_pkgname=discord _pkgname=discord
pkgver=0.0.55 pkgver=0.0.54
pkgrel=1 pkgrel=1
_electronver=30 _electronver=30
_electronname="electron${_electronver}" _electronname="electron${_electronver}"
@ -12,27 +12,27 @@ url='https://discord.com'
license=('custom') license=('custom')
options=('!strip') options=('!strip')
install="$pkgname.install" install="$pkgname.install"
depends=("${_electronname}" 'libxss' 'python') depends=("${_electronname}" 'libxss')
makedepends=('asar' 'curl' 'python-html2text') makedepends=('asar' 'curl' 'python-html2text')
optdepends=( optdepends=(
'libpulse: Pulseaudio support' 'libpulse: Pulseaudio support'
'libappindicator-gtk3: Systray indicator support' 'libappindicator-gtk3: Systray indicator support'
'xdg-utils: Open files' 'xdg-utils: Open files'
'python-pyelftools: Required for Krisp patcher' 'rizin: Allow patching Krisp support'
'python-capstone: Required for Krisp patcher'
) )
source=("https://dl.discordapp.net/apps/linux/${pkgver}/${_pkgname}-${pkgver}.tar.gz" source=("https://dl.discordapp.net/apps/linux/${pkgver}/${_pkgname}-${pkgver}.tar.gz"
'discord-launcher.sh' 'discord-launcher.sh')
'krisp-patcher.py') # original: https://github.com/sersorrel/sys/blob/main/hm/discord/krisp-patcher.py sha512sums=('ceb6265e846fafd27e3c2941f00f0a2d4e045abe5471a2691b070bedb330ef345edee838a706b27ff65ecce40aec46b1a1dd9c4bb9763dadaa907ec181c1a222'
sha512sums=('c12365109cb4db94033fda101073d2a3d6af7bdc9728e025494ee8d44ebf5f27623861879ec38bb7dd88d40de7cddede268e0f5e44bfeb586fc12713a3758c5b' '9d00f9d2e05c2ba31c930c066f247954700bb0f96f2fc605e61c3973d7dacf962bf372659b71e05e5d8d4e152cc884bf12ec1fb5ecbfc4da55d22ab2591c4c40')
'fc25a6ac9ca2881a94158ed972039a4dcc082db91a8ba072f2f896b65a788c9decb4456c71da977ac2976e72d081c6c66aa4bb27b5d58cf946dfea6086b0d557'
'3c1021592fa856f3561072c76b5ee0b5a34a53bc230336e6d36827efb4866c9d801ef7abb24650d3a7210c61dd57f35e2812ae89226fc157cc8d9ffce032155f') _krisp_b2sum='c4e49b1a0be64cacd23474c5e474130084755f2de36af01686ce94c6eceea67426b6d6aa81889a418f9d08476476e99d63479b6131d1f7eaef987ecf4d779cf9'
prepare() { prepare() {
# prepare launcher script # prepare launcher script
sed -i -e "s|@PKGNAME@|${_pkgname}|g" \ sed -i -e "s|@PKGNAME@|${_pkgname}|g" \
-e "s|@PKGVER@|${pkgver}|g" \ -e "s|@PKGVER@|${pkgver}|g" \
-e "s|@ELECTRON@|${_electronname}|g" \ -e "s|@ELECTRON@|${_electronname}|g" \
-e "s|@KRISPB2@|${_krisp_b2sum}|g" \
discord-launcher.sh discord-launcher.sh
# fix the .desktop file # fix the .desktop file
@ -62,22 +62,20 @@ build() {
package() { package() {
# create necessary directories # create necessary directories
install -d "${pkgdir}"/usr/lib/$_pkgname install -d "${pkgdir}"/usr/{lib/$_pkgname,bin}
install -d "${pkgdir}"/usr/share/{pixmaps,applications,licenses/$_pkgname}
# copy relevant data # copy relevant data
cp -r ${_pkgname^}/resources "${pkgdir}"/usr/lib/$_pkgname/ cp -r ${_pkgname^}/resources "${pkgdir}"/usr/lib/$_pkgname/
cp ${_pkgname^}/$_pkgname.png \
# intall icon and desktop file "${pkgdir}"/usr/share/pixmaps/$_pkgname.png
install -Dm 644 ${_pkgname^}/$_pkgname.png "${pkgdir}"/usr/share/pixmaps/$_pkgname.png cp ${_pkgname^}/$_pkgname.desktop \
install -Dm 644 ${_pkgname^}/$_pkgname.desktop "${pkgdir}"/usr/share/applications/$_pkgname.desktop "${pkgdir}"/usr/share/applications/$_pkgname.desktop
# install the launch script # install the launch script
install -Dm 755 discord-launcher.sh "${pkgdir}"/usr/bin/$_pkgname install -Dm 755 discord-launcher.sh "${pkgdir}"/usr/bin/$_pkgname
# install krisp patcher
install -Dm 644 krisp-patcher.py "${pkgdir}"/usr/lib/${_pkgname}/
# install licenses # install licenses
install -Dm 644 LICENSE.md "${pkgdir}"/usr/share/licenses/$_pkgname/LICENSE.md install -Dm 644 LICENSE.md "${pkgdir}"/usr/share/licenses/$_pkgname/
install -Dm 644 OSS-LICENSES.md "${pkgdir}"/usr/share/licenses/$_pkgname/OSS-LICENSES.md install -Dm 644 OSS-LICENSES.md "${pkgdir}"/usr/share/licenses/$_pkgname/
} }

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@ -1,13 +1,4 @@
post_upgrade() { post_upgrade() {
# return if old package version is greater than or equal to 0.0.55-1...
(( $(vercmp $2 '0.0.55-1') >= 0 )) && return
cat <<EOF
==> Instead of using 'rizin' to patch Krisp support a patcher written in Python
is now used. Consider installing the necessary optional dependencies to use
this feature.
EOF
# return if old package version is greater than or equal to 0.0.39-2... # return if old package version is greater than or equal to 0.0.39-2...
(( $(vercmp $2 '0.0.39-2') >= 0 )) && return (( $(vercmp $2 '0.0.39-2') >= 0 )) && return
@ -35,9 +26,9 @@ EOF
post_install() { post_install() {
cat <<EOF cat <<EOF
==> For Krisp noise suppression support consider installing the necessary optional ==> For Krisp noise suppression support consider installing 'rizin' and
dependencies and setting 'PATCH_KRISP=true' in '~/.config/discord.conf'. setting 'PATCH_KRISP=true' in '~/.config/discord.conf'. Restart your
Restart your Discord client afterwards to apply the patch. Discord client afterwards to apply the patch.
==> In case of performance problems consider setting additional flags ==> In case of performance problems consider setting additional flags
in '~/.config/discord-flags.conf'. in '~/.config/discord-flags.conf'.
EOF EOF

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@ -1,18 +1,22 @@
#!/usr/bin/env bash #!/usr/bin/env bash
set -euo pipefail set -eo pipefail
declare -a flags declare -a flags
declare -l PATCH_KRISP
[[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@.conf" ]] && source "${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@.conf" [[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@.conf" ]] && source "${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@.conf"
flags_file="${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@-flags.conf" flags_file="${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@-flags.conf"
krisp_bin="${DISCORD_USER_DATA_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@}/@PKGVER@/modules/@PKGNAME@_krisp/@PKGNAME@_krisp.node" krisp_bin="${XDG_CONFIG_HOME:-$HOME/.config}/@PKGNAME@/@PKGVER@/modules/@PKGNAME@_krisp/@PKGNAME@_krisp.node"
krisp_b2=@KRISPB2@
if [[ "${PATCH_KRISP}" == true ]] && [[ -w "${krisp_bin}" ]] && python -c "import capstone; import elftools" &> /dev/null; then if hash rizin &> /dev/null && [[ "${PATCH_KRISP}" == true ]]; then
# Patch Krisp binary to ignore signature check # Patch Krisp binary to ignore signature check
python /usr/lib/@PKGNAME@/krisp-patcher.py "${krisp_bin}" if [[ -w "${krisp_bin}" && $(b2sum "${krisp_bin}" | head -c 128) == $krisp_b2 ]]; then
addr=$(rz-find -x '4881ec00010000' "${krisp_bin}" | head -n1)
rizin -q -w -c "s $addr + 0x30 ; wao nop" "${krisp_bin}" &> /dev/null
fi
fi fi
if [[ -r "${flags_file}" ]]; then if [[ -r "${flags_file}" ]]; then
@ -29,7 +33,7 @@ for line in "${MAPFILE[@]}"; do
fi fi
done done
unset flags_file krisp_bin unset flags_file krisp_bin krisp_b2
exec /usr/lib/@ELECTRON@/electron \ exec /usr/lib/@ELECTRON@/electron \

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@ -1,83 +0,0 @@
import sys
import shutil
from elftools.elf.elffile import ELFFile
from capstone import *
from capstone.x86 import *
if len(sys.argv) < 2:
print(f"Usage: {sys.argv[0]} [path to discord_krisp.node]")
# "Unix programs generally use 2 for command line syntax errors and 1 for all other kind of errors."
sys.exit(2)
executable = sys.argv[1]
elf = ELFFile(open(executable, "rb"))
symtab = elf.get_section_by_name('.symtab')
krisp_initialize_address = symtab.get_symbol_by_name("_ZN7discord15KrispInitializeEv")[0].entry.st_value
isSignedByDiscord_address = symtab.get_symbol_by_name("_ZN7discord4util17IsSignedByDiscordERKNSt4__Cr12basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEE")[0].entry.st_value
text = elf.get_section_by_name('.text')
text_start = text['sh_addr']
text_start_file = text['sh_offset']
# This seems to always be zero (.text starts at the right offset in the file). Do it just in case?
address_to_file = text_start_file - text_start
# Done with the ELF now.
# elf.close()
krisp_initialize_offset = krisp_initialize_address - address_to_file
isSignedByDiscord_offset = krisp_initialize_address - address_to_file
f = open(executable, "rb")
f.seek(krisp_initialize_offset)
krisp_initialize = f.read(64)
f.close()
# States
found_issigned_by_discord_call = False
found_issigned_by_discord_test = False
found_issigned_by_discord_je = False
found_already_patched = False
je_location = None
# We are looking for a call to IsSignedByDiscord, followed by a test, followed by a je.
# Then we patch the je into a two byte nop.
md = Cs(CS_ARCH_X86, CS_MODE_64)
md.detail = True
for i in md.disasm(krisp_initialize, krisp_initialize_address):
if i.id == X86_INS_CALL:
if i.operands[0].type == X86_OP_IMM:
if i.operands[0].imm == isSignedByDiscord_address:
found_issigned_by_discord_call = True
if i.id == X86_INS_TEST:
if found_issigned_by_discord_call:
found_issigned_by_discord_test = True
if i.id == X86_INS_JE:
if found_issigned_by_discord_test:
found_issigned_by_discord_je = True
je_location = i.address
break
if i.id == X86_INS_NOP:
if found_issigned_by_discord_test:
found_already_patched = True
break
if je_location:
print(f"Found patch location: 0x{je_location:x}")
shutil.copyfile(executable, executable + ".orig")
f = open(executable, 'rb+')
f.seek(je_location - address_to_file)
f.write(b'\x66\x90') # Two byte NOP
f.close()
else:
if found_already_patched:
print("Couldn't find patch location - already patched.")
else:
print("Couldn't find patch location - review manually. Sorry.")

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@ -1,57 +0,0 @@
#!/usr/bin/env bash
set -euo pipefail
readonly all_off="$(tput sgr0)"
readonly bold="${all_off}$(tput bold)"
readonly white="${bold}$(tput setaf 7)"
readonly blue="${bold}$(tput setaf 4)"
readonly red="${bold}$(tput setaf 1)"
msg() {
printf "${blue}::${white} $1${all_off}\n"
}
error() {
printf "${red}::${white} $1${all_off}\n"
}
msgbegin() {
printf "${blue}::${white} $1"
}
msgend() {
printf "$1${all_off}\n"
}
readonly krisp_zip='discord_krisp-1.zip'
readonly krisp_bin='discord_krisp.node'
# head to directory of this script
cd $(dirname "$0")
# update package to version used in PKGBUILD
source PKGBUILD
msg "Running updpkgsums (Updating checksums)"
updpkgsums
msg "Running mksrcinfo (Updating SRCINFO file)"
makepkg --printsrcinfo > .SRCINFO
msg "Getting Krisp module"
curl -O "https://dl.discordapp.net/apps/linux/${_pkgver:-${pkgver}}/modules/${krisp_zip}"
unzip "${krisp_zip}" "${krisp_bin}"
msg "Checking if Krisp module is patchable (watch output)"
python krisp-patcher.py "${krisp_bin}"
#msg "Updating Krisp module checksum"
#readonly chcksm=$(b2sum "${krisp_bin}.orig" | head -c 128)
#sed -i "s/^_krisp_b2sum='.*'$/_krisp_b2sum='${chcksm}'/" PKGBUILD
msgbegin "Cleaning up... "
rm -f "${krisp_zip}" "${krisp_bin}" "${krisp_bin}.orig"
msgend "Done"