问题描述
我正在使用 Android9 AOSP ，当我在untrusted_app.te（位于#! /bin/bash
set -euo pipefail
IFS=$'\n\t'
function log_step() {
echo -e "\n\e[96m${*}\e[0m"
}
# Delegates the call to the merge strategy and passing args
# You can uncomment the desired strategy
function merge()
{
# merge_simple $*
merge_squash_rename $*
# merge_squash_no_edit $*
}
function merge_squash_rename(){
echo -e "\e[94mMerge ${1} into ${2}\e[0m"
git checkout ${2}
git merge --squash ${1}
git commit -m "Merge ${1} into ${2}"
}
function merge_squash_no_edit(){
echo -e "\e[94mMerge ${1} into ${2}\e[0m"
git checkout ${2}
git merge --squash ${1}
git commit --no-edit
}
function merge_simple(){
echo -e "\e[94mMerge ${1} into ${2}\e[0m"
git checkout ${2}
git merge ${1}
}
tmp_dir=$(mktemp -d -t strategit-XXXXXXXX)
echo "Created directory ${tmp_dir}"
cd ${tmp_dir}
# Initial state : a file named hello.txt,containing "1,2,3"
log_step "Create initial file with 1,3"
git init
echo '1,3' >> hello.txt
git add hello.txt
git commit -m 'First commit'
# Create initial branches release + develop
log_step "Create branches release and develop"
git checkout -b release
git checkout -b develop
# Work on ticket FW-456 on release
log_step "Create PR on release in order to add the line 4,5,6"
git checkout release
git checkout -b feature/FW-456
echo '4,6' >> hello.txt
git add hello.txt
git commit -m 'feature/FW-456'
# Keep it for cherry-pick later
ORIGINAL_COMMIT_HASH=$(git rev-parse HEAD)
log_step "Merge the PR on release"
merge feature/FW-456 release
# report PR on develop by creating a report branch
log_step "Create the report branch from develop"
git checkout develop
git checkout -b report/feature/FW-456
git cherry-pick ${ORIGINAL_COMMIT_HASH}
log_step "Merge the report branch on develop"
merge report/feature/FW-456 develop
# Work on ticket FW-789 on develop
log_step "Create a new PR from develop to add the line 7,8,9"
git checkout develop
git checkout -b feature/FW-789
echo '7,9' >> hello.txt
git add hello.txt
git commit -m 'feature/FW-789'
log_step "Merge the PR in develop"
merge feature/FW-789 develop
# Now,report release into develop
log_step "Create a PR on develop to report release in develop"
git checkout develop
git checkout -b chore/report-release-into-develop
# "|| true" to prevent script from exiting because of the potential conflict error
log_step "Try to merge"
git merge release || true
echo ""
echo "***************************************************"
echo "* *"
echo -e "* See result in directory \e[92m${tmp_dir}\e[0m *"
echo "* *"
echo "***************************************************"
中）中添加权限时，构建失败。
错误：
system/sepolicy/private/untrusted_app.te要添加的权限为system/sepolicy/private/untrusted_app.te:27:ERROR 'unknown type xyz_block_device' at token ';' on line....
在文件系统/sepolicy/private/untrusted_app.te
任何人都可以指导我在哪里定义xyz_block_device，谢谢！
解决方法
看到错误的原因是未定义xyz_block_device。为此，您需要进入file_contexts并定义您的xyz_block_device，如下所示：
/dev/yourblockdevice u:object_r:block_device:s0
，然后您可以将规则添加到untrusted_app.te。
注意：我不得不提到不建议更改系统SEPolicy也不安全，最好将名为untrusted_app.te的文件添加到目标树中。 （/设备/供应商/型号）。
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