{"id":208181,"date":"2025-07-08T13:56:34","date_gmt":"2025-07-08T05:56:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208181\/"},"modified":"2025-07-08T13:56:34","modified_gmt":"2025-07-08T05:56:34","slug":"go-ssh-authmethod-%e7%9a%84%e6%b7%b1%e5%ba%a6%e5%b9%b3%e7%ad%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208181\/","title":{"rendered":"(go) ssh.AuthMethod \u7684\u6df1\u5ea6\u5e73\u7b49"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> (go) ssh.AuthMethod \u7684\u6df1\u5ea6\u5e73\u7b49<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-29 22:30:34<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a(go) ssh.AuthMethod \u7684\u6df1\u5ea6\u5e73\u7b49\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u4f7f\u7528 crypto\/ssh \u5305\uff0c\u5e76\u4e14\u6b63\u5728\u5c1d\u8bd5\u4e3a\u6784\u9020 clientconfig \u7684\u65b9\u6cd5\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u3002<\/p>\n

\u8be5\u5355\u5143\u4e2d\u7684\u65ad\u8a00\u4e4b\u4e00\u662f\u8fd4\u56de\u7684 clientconfig<\/code> \u4e0e\u9884\u671f\u5b8c\u5168\u76f8\u7b49\u3002 \u65ad\u8a00\u5931\u8d25\uff0c\u56e0\u4e3a clientconfig<\/code> \u7684 auth<\/code> \u548c hostkeycallback<\/code> \u5b57\u6bb5\u4e0d\u5b8c\u5168\u76f8\u7b49\u3002 hostkeycallback<\/code> \u88ab\u786c\u7f16\u7801\u4e3a ssh.insecureignorehostkey()<\/code>\u3002 \u6211\u73b0\u5728\u6b63\u5728\u6d4b\u8bd5\u7684\u552f\u4e00\u8eab\u4efd\u9a8c\u8bc1\u65b9\u6cd5\u662f\u4f7f\u7528\u5bc6\u7801\uff0c\u5e76\u4e14\u6211\u5df2\u7ecf\u9a8c\u8bc1\u5bc6\u7801\u5b57\u7b26\u4e32\u662f\u5426\u5df2\u6b63\u786e\u83b7\u53d6\u3002<\/p>\n

\u6211\u8bd5\u56fe\u5728\u6f14\u793a\u4e2d\u641e\u4e71\uff08\u8bf7\u53c2\u9605\u6b64\u5904\uff09\uff0c\u4f46\u6211\u4e0d\u660e\u767d\u4e3a\u4ec0\u4e48\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\u6ca1\u6709\u6df1\u5ea6\u5e73\u7b49\u3002<\/p>\n

package main\n\nimport (\n    \"fmt\"\n    \"reflect\"\n\n    \"golang.org\/x\/crypto\/ssh\"\n)\n\nfunc main() {\n    pass := \"bar\"\n    auth := []ssh.authmethod{ssh.password(pass)}\n    authliteral := []ssh.authmethod{ssh.password(\"bar\")}\n    if reflect.deepequal(authliteral, auth) {\n        fmt.println(\"authentication methods are equal\")\n    } else {\n        fmt.println(\"authentication methods are not equal\")\n    }\n\n    callback1 := ssh.insecureignorehostkey()\n    callback2 := ssh.insecureignorehostkey()\n    if reflect.deepequal(callback1, callback2) {\n        fmt.println(\"callbacks are equal\")\n    } else {\n        fmt.println(\"callbacks are not equal\")\n    }\n}<\/pre>\n
authentication methods are not equal\ncallbacks are not equal<\/pre>\n
\u6709\u4eba\u53ef\u4ee5\u89e3\u91ca\u4e00\u4e0b\u8fd9\u4e9b\u7ed3\u679c\u5417\uff1f \u5982\u679c\u60a8\u80fd\u5efa\u8bae\u6211\u5982\u4f55\u5bf9\u8fd9\u4e2a\u6848\u4f8b\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\uff0c\u6211\u4e5f\u5c06\u4e0d\u80dc\u611f\u6fc0\u3002<\/p>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u5982 \u6240\u793a\uff0c\u8fd9\u662f\u6b63\u5f0f\u4e0d\u5141\u8bb8\u7684\u3002 \uff08\u4e0d\u8fc7\uff0c\u5982\u679c go \u5b9e\u73b0\u9644\u5e26\u7684 \u80fd\u50cf\u6211\u4e0b\u9762\u6240\u505a\u7684\u90a3\u6837\uff0c\u90a3\u5c31\u592a\u597d\u4e86\u3002\u56e0\u4e3a\u5b83\u9644\u5e26\u5b9e\u73b0\uff0c\u6240\u4ee5\u5b9e\u73b0\u8005\u53ef\u4ee5\u4f7f\u7528\u7279\u6b8a\u77e5\u8bc6\u6765\u7f16\u5199\u5b83\u3002\uff09<\/p>\n
\u5f53\u7136\uff0c\u6700\u7ec8\uff0c\u51fd\u6570\u6307\u9488\u6709\u4e00\u4e9b\u673a\u5668\u7ea7\u5b9e\u73b0\uff0c\u5176\u53c2\u6570\u7c7b\u578b\u4e3a t1<\/sub>\u3001t2<\/sub>\u3001… tna \u5e76\u8fd4\u56de r1<\/sub>\u3001r2<\/sub>\u3001… rnr<\/sub><\/em> \u7c7b\u578b\u7684\u503c\u3002\u4f46\u6211\u4eec\u6ca1\u6709\u88ab\u544a\u77e5\u8be5\u8868\u793a\u662f\u4ec0\u4e48<\/em>\u3002\u5b83\u53ef\u80fd\u662f\u5355\u4e2a unsafe.pointer<\/code> \u503c\uff0c\u4e5f\u53ef\u80fd\u662f \u7684\u67d0\u79cd\u5185\u8054\u6269\u5c55\u3002\u56e0\u6b64\u6211\u4eec\u4e0d\u77e5\u9053\u6b64\u5904\u8981\u6bd4\u8f83\u591a\u5c11\u5b57\u8282\u3002<\/p>\n
\u5982\u679c\u60a8\u613f\u610f\u505a\u51fa\u76f8\u5f53\u5371\u9669\/\u4e0d\u53ef\u79fb\u690d\u7684\u5047\u8bbe\uff0c\u5e76\u5728\u8bc1\u660e\u4e0d\u5145\u5206\u65f6\u66f4\u65b0\u5b83\u4eec\uff0c\u90a3\u4e48\u8fd9\u91cc\u6709\u4e00\u79cd\u201c\u4f5c\u5f0a\u201d\u7684\u65b9\u6cd5\u3002\u6211\u5728 go \u6f14\u793a\u4e2d\u5236\u4f5c\u4e86 \uff0c\u5b83\u4ea7\u751f\u4e86\u6240\u9700\u7684\u8f93\u51fa\u3002\u8fd9\u53ea\u662f\u5076\u7136\uff0c\u8fd8\u662f\u8fd9\u771f\u7684\u9002\u7528\u4e8e\u60a8\u7684<\/em> go \u5b9e\u73b0\uff1f<\/p>\n
\u6b63\u6587\u4e5f\u5728\u4e0b\u9762\u3002\u4f7f\u7528\u98ce\u9669\u81ea\u8d1f\uff01<\/p>\n
package main\n\nimport (\n    \"fmt\"\n    \"unsafe\"\n)\n\nfunc dummy1() {}\nfunc dummy2() {}\n\nfunc main() {\n    fmt.Println(\"dummy1 == dummy2 =>\", qe(dummy1, dummy2))\n    fmt.Println(\"dummy1 == dummy1 =>\", qe(dummy1, dummy1))\n}\n\n\/\/ \"questionably equal\", for function pointers\nfunc qe(a, b func()) bool {\n    pp1 := (*unsafe.Pointer)(unsafe.Pointer(&a))\n    pp2 := (*unsafe.Pointer)(unsafe.Pointer(&b))\n    p1 := *pp1\n    p2 := *pp2\n    return p1 == p2\n}<\/pre>\n
\u4eca\u5929\u5173\u4e8e\u300a(go) ssh.AuthMethod \u7684\u6df1\u5ea6\u5e73\u7b49\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-208181","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208181"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208181\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}