{"id":118591,"date":"2026-10-27T18:40:32","date_gmt":"2026-10-27T10:40:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/118591.html"},"modified":"2026-10-27T18:40:32","modified_gmt":"2026-10-27T10:40:32","slug":"%e3%80%90s03%e3%80%91%e5%bc%80%e6%ba%90%e9%a1%b9%e7%9b%aelearn-claude-code%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/118591.html","title":{"rendered":"\u3010S03\u3011\u5f00\u6e90\u9879\u76eelearn-claude-code\u5b66\u4e60"},"content":{"rendered":"

s03: Permission \u2014 \u6267\u884c\u524d\u505a\u6743\u9650\u5224\u65ad<\/h2>\n

s02 \u7684 Agent \u6709 5 \u4e2a\u5de5\u5177\u3002file tools \u53d7 safe_path \u4fdd\u62a4，\u4f46 bash \u4e0d\u53d7\u9650\u5236\u3002\u8ba9\u5b83"\u6e05\u7406\u4e00\u4e0b\u9879\u76ee"，\u53ef\u80fd\u6267\u884c rm -rf \/\u3002<\/p>\n

\u5b89\u5168\u8fb9\u754c\u7531\u4ee3\u7801\u8d1f\u8d23，\u5224\u65ad\u53d1\u751f\u5728\u5de5\u5177\u6267\u884c\u4e4b\u524d\u3002<\/p>\n

\n

\u89e3\u51b3\u65b9\u6848<\/h3>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

s02 \u7684\u5faa\u73af\u5b8c\u5168\u4fdd\u7559\u3002\u552f\u4e00\u7684\u53d8\u52a8\u662f\u5728\u5de5\u5177\u6267\u884c\u524d\u63d2\u5165 check_permission()\u3002\u6bcf\u4e2a\u5de5\u5177\u8c03\u7528\u4f9d\u6b21\u7ecf\u8fc7\u4e09\u9053\u95f8\u95e8：\u786c\u62d2\u7edd\u4f18\u5148，\u8f6f\u8be2\u95ee\u6b21\u4e4b，\u90fd\u6ca1\u547d\u4e2d\u5c31\u653e\u884c\u3002<\/p>\n

\u4e09\u9053\u95f8\u95e8\u5bf9\u5e94\u4e09\u79cd\u51b3\u7b56：<\/p>\n\n\u95f8\u95e8\u4f5c\u7528\u547d\u4e2d\u540e<\/tr>\n\n\n\n\n
1. \u62d2\u7edd\u5217\u8868<\/td>\n\u6c38\u8fdc\u7981\u6b62\u7684\u64cd\u4f5c（rm -rf \/\u3001sudo）<\/td>\n\u76f4\u63a5\u62d2\u7edd，\u4e0d\u6267\u884c<\/td>\n<\/tr>\n
2. \u89c4\u5219\u5339\u914d<\/td>\n\u53d6\u51b3\u4e8e\u4e0a\u4e0b\u6587\u7684\u64cd\u4f5c（\u8bfb\/\u5199\u5de5\u4f5c\u533a\u5916\u3001rm \u6587\u4ef6）<\/td>\n\u4ea4\u7ed9\u95f8\u95e8 3<\/td>\n<\/tr>\n
3. \u7528\u6237\u5ba1\u6279<\/td>\n\u95f8\u95e8 2 \u547d\u4e2d\u540e，\u6682\u505c\u7b49\u7528\u6237\u786e\u8ba4<\/td>\n\u7528\u6237\u51b3\u5b9a\u5141\u8bb8\u6216\u62d2\u7edd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e09\u9053\u90fd\u6ca1\u547d\u4e2d \u2192 \u76f4\u63a5\u6267\u884c\u3002\u5927\u90e8\u5206\u65e5\u5e38\u64cd\u4f5c\u8d70\u8fd9\u6761\u8def\u3002<\/p>\n

\n

\u5de5\u4f5c\u539f\u7406<\/h3>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u95f8\u95e8 1：\u4e00\u5f20\u786c\u62d2\u7edd\u8868，\u5148\u67e5，\u547d\u4e2d\u5c31\u8fd4\u56de\u963b\u6b62\u4fe1\u606f\u3002\u8fd9\u5f20\u8868\u4f7f\u7528\u7b80\u5355\u5b57\u7b26\u4e32\u5339\u914d\u6765\u8bf4\u660e\u6743\u9650\u95f8\u95e8\u7684\u4f4d\u7f6e，\u4e0d\u80fd\u89c6\u4e3a\u5b8c\u6574\u7684\u5b89\u5168\u8fb9\u754c\u3002<\/p>\n

DENY_LIST =<\/span> [<\/span>
\n "rm -rf \/"<\/span>,<\/span> "sudo"<\/span>,<\/span> "shutdown"<\/span>,<\/span> "reboot"<\/span>,<\/span>
\n "mkfs"<\/span>,<\/span> "dd if="<\/span>,<\/span> "> \/dev\/sda"<\/span>,<\/span>
\n]<\/span><\/p>\n

def<\/span> check_deny_list<\/span>(<\/span>command:<\/span> str<\/span>)<\/span> –<\/span>><\/span> str<\/span> |<\/span> None<\/span>:<\/span>
\n for<\/span> pattern in<\/span> DENY_LIST:<\/span>
\n if<\/span> pattern in<\/span> command:<\/span>
\n return<\/span> f"Blocked: '<\/span>{<\/span>pattern}<\/span><\/span>' is on the deny list"<\/span><\/span>
\n return<\/span> None<\/span><\/p>\n

\u95f8\u95e8 2\u8d1f\u8d23\u89c4\u5219\u5339\u914d，\u7528\u6765\u63cf\u8ff0"\u4ec0\u4e48\u65f6\u5019\u9700\u8981\u95ee\u7528\u6237"\u3002\u6bcf\u6761\u89c4\u5219\u6307\u5b9a\u5de5\u5177\u548c\u68c0\u67e5\u6761\u4ef6\u3002<\/p>\n

import<\/span> re<\/p>\n

DESTRUCTIVE_COMMAND_WORD =<\/span> re.<\/span>compile<\/span>(<\/span>
\n r"(?i)(?:^|[;&|()\\\\n])\\\\s*(?:rm|del)(?=\\\\s|$|[;&|()])"<\/span>
\n)<\/span><\/p>\n

def<\/span> contains_destructive_command<\/span>(<\/span>command:<\/span> str<\/span>)<\/span> –<\/span>><\/span> bool<\/span>:<\/span>
\n return<\/span> bool<\/span>(<\/span>DESTRUCTIVE_COMMAND_WORD.<\/span>search(<\/span>command)<\/span>)<\/span><\/p>\n

PERMISSION_RULES =<\/span> [<\/span>
\n {<\/span>
\n "tools"<\/span>:<\/span> [<\/span>"read_file"<\/span>,<\/span> "write_file"<\/span>,<\/span> "edit_file"<\/span>]<\/span>,<\/span>
\n "check"<\/span>:<\/span> lambda<\/span> args:<\/span> not<\/span> (<\/span>WORKDIR \/<\/span> args.<\/span>get(<\/span>"path"<\/span>,<\/span> ""<\/span>)<\/span>)<\/span>.<\/span>resolve(<\/span>)<\/span>.<\/span>is_relative_to(<\/span>WORKDIR)<\/span>,<\/span>
\n "message"<\/span>:<\/span> "Access outside workspace"<\/span>,<\/span>
\n }<\/span>,<\/span>
\n {<\/span>
\n "tools"<\/span>:<\/span> [<\/span>"bash"<\/span>]<\/span>,<\/span>
\n "check"<\/span>:<\/span> lambda<\/span> args:<\/span> contains_destructive_command(<\/span>args.<\/span>get(<\/span>"command"<\/span>,<\/span> ""<\/span>)<\/span>)<\/span> or<\/span> any<\/span>(<\/span>
\n kw in<\/span> args.<\/span>get(<\/span>"command"<\/span>,<\/span> ""<\/span>)<\/span> for<\/span> kw in<\/span> [<\/span>"rm "<\/span>,<\/span> "> \/etc\/"<\/span>,<\/span> "chmod 777"<\/span>]<\/span>
\n )<\/span>,<\/span>
\n "message"<\/span>:<\/span> "Potentially destructive command"<\/span>,<\/span>
\n }<\/span>,<\/span>
\n]<\/span><\/p>\n

def<\/span> check_rules<\/span>(<\/span>tool_name:<\/span> str<\/span>,<\/span> args:<\/span> dict<\/span>)<\/span> –<\/span>><\/span> str<\/span> |<\/span> None<\/span>:<\/span>
\n for<\/span> rule in<\/span> PERMISSION_RULES:<\/span>
\n if<\/span> tool_name in<\/span> rule[<\/span>"tools"<\/span>]<\/span> and<\/span> rule[<\/span>"check"<\/span>]<\/span>(<\/span>args)<\/span>:<\/span>
\n return<\/span> rule[<\/span>"message"<\/span>]<\/span>
\n return<\/span> None<\/span><\/p>\n

\u95f8\u95e8 3：\u89c4\u5219\u547d\u4e2d\u540e，\u6682\u505c\u7b49\u7528\u6237\u8f93\u5165\u3002<\/p>\n

def<\/span> ask_user<\/span>(<\/span>tool_name:<\/span> str<\/span>,<\/span> args:<\/span> dict<\/span>,<\/span> reason:<\/span> str<\/span>)<\/span> –<\/span>><\/span> str<\/span>:<\/span>
\n print<\/span>(<\/span>f"\\\\n\u26a0 <\/span>{<\/span>reason}<\/span><\/span>"<\/span><\/span>)<\/span>
\n print<\/span>(<\/span>f" Tool: <\/span>{<\/span>tool_name}<\/span><\/span>(<\/span>{<\/span>args}<\/span><\/span>)"<\/span><\/span>)<\/span>
\n choice =<\/span> input<\/span>(<\/span>" Allow? [y\/N] "<\/span>)<\/span>.<\/span>strip(<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
\n return<\/span> "allow"<\/span> if<\/span> choice in<\/span> (<\/span>"y"<\/span>,<\/span> "yes"<\/span>)<\/span> else<\/span> "deny"<\/span><\/p>\n

\u4e09\u9053\u95f8\u95e8\u4e32\u5728\u4e00\u8d77，\u63d2\u5728\u5de5\u5177\u6267\u884c\u4e4b\u524d：<\/p>\n

def<\/span> check_permission<\/span>(<\/span>block)<\/span> –<\/span>><\/span> bool<\/span>:<\/span>
\n # \u95f8\u95e8 1: \u786c\u62d2\u7edd<\/span>
\n if<\/span> block.<\/span>name ==<\/span> "bash"<\/span>:<\/span>
\n reason =<\/span> check_deny_list(<\/span>block.<\/span>input<\/span>.<\/span>get(<\/span>"command"<\/span>,<\/span> ""<\/span>)<\/span>)<\/span>
\n if<\/span> reason:<\/span>
\n print<\/span>(<\/span>f"\\\\n\u26d4 <\/span>{<\/span>reason}<\/span><\/span>"<\/span><\/span>)<\/span>
\n return<\/span> False<\/span><\/p>\n

# \u95f8\u95e8 2 + 3: \u89c4\u5219\u5339\u914d \u2192 \u7528\u6237\u5ba1\u6279<\/span>
\n reason =<\/span> check_rules(<\/span>block.<\/span>name,<\/span> block.<\/span>input<\/span>)<\/span>
\n if<\/span> reason:<\/span>
\n decision =<\/span> ask_user(<\/span>block.<\/span>name,<\/span> block.<\/span>input<\/span>,<\/span> reason)<\/span>
\n if<\/span> decision ==<\/span> "deny"<\/span>:<\/span>
\n return<\/span> False<\/span><\/p>\n

return<\/span> True<\/span><\/p>\n

# \u5728 agent_loop \u4e2d\u2014\u2014s02 \u7684\u5faa\u73af\u53ea\u52a0\u4e86\u4e00\u884c：<\/span>
\nfor<\/span> block in<\/span> tool_calls:<\/span>
\n if<\/span> not<\/span> check_permission(<\/span>block)<\/span>:<\/span> # \u2190 \u65b0\u589e<\/span>
\n results.<\/span>append(<\/span>{<\/span>.<\/span>.<\/span>.<\/span> "content"<\/span>:<\/span> "Permission denied."<\/span>}<\/span>)<\/span>
\n continue<\/span>
\n output =<\/span> TOOL_HANDLERS[<\/span>block.<\/span>name]<\/span>(<\/span>**<\/span>block.<\/span>input<\/span>)<\/span> # s02 \u539f\u6709<\/span>
\n results.<\/span>append(<\/span>.<\/span>.<\/span>.<\/span>)<\/span><\/p>\n

\n

\u76f8\u5bf9 s02 \u7684\u53d8\u66f4<\/h3>\n\n\u7ec4\u4ef6\u4e4b\u524d (s02)\u4e4b\u540e (s03)<\/tr>\n\n\n\n\n
\u5b89\u5168\u6a21\u578b<\/td>\n\u65e0（\u4fe1\u4efb\u6a21\u578b）<\/td>\n\u4e09\u9053\u95f8\u95e8\u6743\u9650\u7ba1\u7ebf<\/td>\n<\/tr>\n
\u65b0\u51fd\u6570<\/td>\n\u2014<\/td>\ncheck_deny_list, check_rules, ask_user, check_permission<\/td>\n<\/tr>\n
\u5faa\u73af<\/td>\n\u76f4\u63a5\u6267\u884c\u6240\u6709\u5de5\u5177<\/td>\n\u6267\u884c\u524d\u63d2\u5165 check_permission()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u8bd5\u4e00\u4e0b<\/h3>\n

cd<\/span> learn-claude-code
\npython s03_permission\/code.py<\/p>\n

\u8bd5\u8bd5\u8fd9\u4e9b prompt：<\/p>\n

  • Create a file called test.txt in the current directory（\u5e94\u8be5\u76f4\u63a5\u901a\u8fc7）<\/li>\n
  • Delete the file test.txt（bash + rm \u4f1a\u89e6\u53d1\u95f8\u95e8 2）<\/li>\n
  • What files are in the current directory?（\u53ea\u8bfb，\u5168\u90e8\u901a\u8fc7）<\/li>\n
  • Try to write a file to \/etc\/something（\u5199\u5de5\u4f5c\u533a\u5916，\u89e6\u53d1\u95f8\u95e8 2）<\/li>\n
  • \u5728 Windows \u4e0a，del test.txt \u548c DEL test.txt \u4f1a\u89e6\u53d1\u95f8\u95e8 2，\u800c model\u3001delimiter \u548c echo del test.txt \u4e0d\u4f1a\u3002<\/li>\n

    \u89c2\u5bdf\u91cd\u70b9：\u54ea\u4e9b\u64cd\u4f5c\u76f4\u63a5\u901a\u8fc7？\u54ea\u4e9b\u9700\u8981\u4f60\u786e\u8ba4？\u54ea\u4e9b\u88ab\u76f4\u63a5\u62d2\u7edd？<\/p>\n

    \n

    \u6e90\u7801\u5730\u5740：https:\/\/github.com\/shareAI-lab\/learn-claude-code
    \n\u84dd\u594f\u4e91\u5730\u5740：https:\/\/wwbfs.lanzouv.com\/iva494dg0h4f
    \n\u5bc6\u7801:cc39<\/p>\n

    \u8f9b\u8f9b\u82e6\u82e6\u5199\u5b8c，\u4e0d\u77e5\u9053csdn\u62bd\u4ec0\u4e48\u98ce，\u4fdd\u5b58\u8349\u7a3f\u6ca1\u6210\u529f，\u5c31\u8fd9\u5f20\u5c31\u91cd\u65b0\u53d1\u539f\u6587\u4e86<\/p>\n","protected":false},"excerpt":{"rendered":"

    s03: Permission \u2014 \u6267\u884c\u524d\u505a\u6743\u9650\u5224\u65ad
    \ns02 \u7684 Agent \u6709 5 \u4e2a\u5de5\u5177\u3002file tools \u53d7 safe_path \u4fdd\u62a4，\u4f46 bash \u4e0d\u53d7\u9650\u5236\u3002\u8ba9\u5b83\\”\u6e05\u7406\u4e00\u4e0b\u9879\u76ee\\”，\u53ef\u80fd\u6267\u884c rm -rf \/\u3002
    \n\u5b89\u5168\u8fb9\u754c\u7531\u4ee3\u7801\u8d1f\u8d23，\u5224\u65ad\u53d1\u751f\u5728\u5de5\u5177\u6267\u884c\u4e4b\u524d\u3002\u89e3\u51b3\u65b9\u6848s02 \u7684\u5faa\u73af\u5b8c\u5168\u4fdd\u7559\u3002\u552f\u4e00\u7684\u53d8\u52a8\u662f\u5728\u5de5\u5177\u6267\u884c\u524d\u63d2\u5165 check_permission()\u3002\u6bcf\u4e2a\u5de5\u5177\u8c03\u7528\u4f9d\u6b21\u7ecf\u8fc7\u4e09\u9053\u95f8\u95e8：\u786c\u62d2\u7edd\u4f18\u5148，\u8f6f<\/p>\n","protected":false},"author":2,"featured_media":118589,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,50,305],"topic":[],"class_list":["post-118591","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-python","tag-50","tag-305"],"yoast_head":"\n\u3010S03\u3011\u5f00\u6e90\u9879\u76eelearn-claude-code\u5b66\u4e60 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/118591.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010S03\u3011\u5f00\u6e90\u9879\u76eelearn-claude-code\u5b66\u4e60 - 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