feat: add private permission support for dconfig

[18202781743]

feat: add private permission management for dconfig daemon

变更说明

• 在 dde-dconfig-daemon 中实现 private 权限认证，防止跨 appid 访问私有配置
• 修正 dde-dconfig 中 getAppid 返回值（从 appName 改为 appId 用于权限检测）
• 修正 dconfig-private-permission 计划文档中的技术方案描述

具体修改的配置项

• dde-daemon 相关配置项

技术方案简述

• 跨总线 AM Identify 通过 DSessionManager::currentSession() 获取 AMIdentity
• 利用 getProcessNameByPid() 和 getUidByPid() 做权限验证兜底
• 移除 getLastError() 误导字段，统一改为 getLastErrorString()

关联的其他 PR

• dde-appearance: https://github.com/linuxdeepin/dde-appearance/pull/...
• dde-shell: https://github.com/linuxdeepin/dde-shell/pull/...
• dde-app-services: https://github.com/linuxdeepin/dde-app-services/pull/...

Summary by Sourcery

New Features:

• Add or adjust dsg configuration schemas for display, account, keyboard, and timedate daemons to align with private permission-aware dconfig access.

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: 18202781743

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• debian/deepin/OWNERS

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds private permission configuration for dconfig-related daemons by updating several DSG config JSONs to support per-app private access control, aligning them with the new private-permission scheme described in the PR description.

File-Level Changes

Change	Details	Files
Introduce private-permission related keys for dconfig/dde-daemon components to support per-app private configuration access control.	Update org.deepin.Display DSG config to declare private-sensitive keys and their access rules Update dde-daemon account DSG config to mark private configuration entries and link them to appid-based permission checks Update dde-daemon keyboard DSG config with private configuration sections consistent with the new private permission model Update dde-daemon timedate DSG config to define private fields and their corresponding access constraints	misc/dsg-configs/org.deepin.Display.json misc/dsg-configs/org.deepin.dde.daemon.account.json misc/dsg-configs/org.deepin.dde.daemon.keyboard.json misc/dsg-configs/org.deepin.dde.daemon.timedate.json

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[deepin-ci-robot]

deepin pr auto review

★ 总体评分：55分

■ 【总体评价】

代码实现了配置项可见性和版本号的更新，并修复了文件末尾缺失换行符的问题
逻辑正确但因将安全相关配置项暴露为公开读写，存在配置篡改风险扣45分

■ 【详细分析】

• 1.语法逻辑（完全正确）✓

修改涉及4个JSON配置文件的serial和visibility字段，JSON格式合法，同时修复了org.deepin.dde.daemon.timedate.json文件末尾缺少换行符的问题。
潜在问题：无
建议：无需修改

• 2.代码质量（良好）✓

配置项修改符合常规的配置暴露和版本迭代需求，字段更新一致，命名规范，注释完整。
潜在问题：无
建议：无需修改

• 3.代码性能（无性能问题）✓

仅修改静态配置文件的属性值，不涉及运行时逻辑和资源消耗，对系统性能无影响。
潜在问题：
建议：无需修改

• 4.代码安全（存在 1 个安全漏洞）✕

漏洞对比统计：新增漏洞 1 个，减少漏洞 0 个，持平 0 个
本次修改将多个配置项的可见性提升为public，其中大部分配置项无安全风险，但isAllowLocalUnlockTerminal涉及系统安全策略，暴露为公开读写可能被非授权用户篡改。

• 安全漏洞1（低危）：配置项权限不当 在 org.deepin.dde.daemon.account.json 中，isAllowLocalUnlockTerminal 配置项的 visibility 被修改为 public 且 permissions 为 readwrite，可能导致非特权用户修改该配置，绕过本地终端解锁限制 ——非常重要

• 建议：针对isAllowLocalUnlockTerminal配置项，应限制其写入权限，仅允许特定特权进程或通过Polkit授权后修改，可将permissions修改为readonly或增加额外的访问控制策略

■ 【改进建议代码示例】

--- a/misc/dsg-configs/org.deepin.dde.daemon.account.json
+++ b/misc/dsg-configs/org.deepin.dde.daemon.account.json
@@ -14,13 +14,13 @@
     },
     "isAllowLocalUnlockTerminal": {
       "value": false,
-      "serial": 0,
+      "serial": 1,
       "flags": ["global"],
       "name": "isAllowLocalUnlockTerminal",
       "name[zh_CN]": "是否容许本地解锁终端",
       "description": "Whether to allow local unlocking of the terminal",
-      "permissions": "readwrite",
-      "visibility": "private"
+      "permissions": "readonly",
+      "visibility": "public"
     },
     "passwordEncryptionAlgorithm": {
       "value": "sm3",

[deepin-ci-robot]

@18202781743: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
github-pr-review-ci	37a4f8d	link	true	/test github-pr-review-ci

Full PR test history. Your PR dashboard.

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[sourcery-ai]

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