\u7aef\u672b\u306e Sixel \u306e\u52d5\u4f5c\u78ba\u8a8d\u306b\u3088\u304f\u3053\u3093\u306a\u611f\u3058\u3067 ImageMagick \u5185\u8535\u306e rose: \u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\uff0e
\n$ convert rose: - | sixelv -\n
\u3053\u306e\u5185\u8535\u7d44\u307f\u8fbc\u307f\u753b\u50cf\u306f\u4ed6\u306b\u3082\u306a\u3044\u304b\u306a\u3068\u63a2\u3057\u3066\u307f\u307e\u3057\u305f\uff0e
\n\n
\u691c\u7d22\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u3092\u898b\u3064\u3051\u307e\u3057\u305f\uff0e
\nBuilt-in image \u3068\u3044\u3046\u3088\u3046\u3067\u3059\uff0e\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u4e00\u89a7\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\uff0e\u5927\u6587\u5b57\u3067\u51fa\u3066\u304d\u307e\u3059\u304c\uff0c\u5927\u6587\u5b57\u3067\u3082\u5c0f\u6587\u5b57\u3067\u3082 OK \u305d\u3046\u3067\u3059\uff0e( H \u306f Built-in image \u3067\u306f\u306a\u3044\uff0e)
$ convert -list coder | grep MAGICK\nGRANITE MAGICK\nH MAGICK\nLOGO MAGICK\nNETSCAPE MAGICK\nROSE MAGICK\nWIZARD MAGICK\n
$ montage -label \"%i\" -tile 3 -geometry 200 GRANITE: LOGO: NETSCAPE: ROSE: WIZARD: - | sixelv -\n
rose/logo \u8fba\u308a\u304c\u899a\u3048\u3084\u3059\u304f\u3066\u3044\u3044\u3067\u3059\u306d\uff0e\u5f8c\u306f\u7528\u9014\u5225\u306b\u4f7f\u3046\u3068\u826f\u3055\u305d\u3046\u3067\u3059\uff0e
\n$ dpkg-query -W imagemagick\nimagemagick 8:6.9.13.12+dfsg1-1+b1\n$ sixelv --version\nsixelv 3.8.1 (2024/09/21) - SIXEL viewer\n Supported loader: blurhash, libwebp, stb_image\n$ lsb_release -dr\nDescription: Debian GNU/Linux trixie/sid\nRelease: n/a\n$ arch\nx86_64\n
\u5148\u65e5\u56fd\u7acb\u56fd\u4f1a\u56f3\u66f8\u9928\u30c7\u30b8\u30bf\u30eb\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u8535\u66f8\u306e\u753b\u50cf\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u4f59\u767d\u3092\u30ab\u30c3\u30c8\u3057\u3066\u8aad\u307f\u3084\u3059\u304f\u3057\u307e\u3057\u305f\uff0ejpeg \u3092 zip \u30a2\u30fc\u30ab\u30a4\u30d6\u306b\u307e\u3068\u3081\u305f\u306e\u3067\u3059\u304c\uff0cPDF \u30d5\u30a1\u30a4\u30eb\u306e\u307b\u3046\u304c\u90fd\u5408\u304c\u3044\u3044\u3053\u3068\u3082\uff0e\u3068\u3044\u3046\u3053\u3068\u3067 jpeg \u30d5\u30a1\u30a4\u30eb\u7fa4\u3092 PDF \u30d5\u30a1\u30a4\u30eb\u306b\u5909\u63db\u3057\u307e\u3057\u305f\uff0e
\n\n
ImageMagick \u306e convert \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3046\u3068\u30e1\u30e2\u30ea\u4e0d\u8db3\u3067\u5931\u6557\uff0c\u30dd\u30ea\u30b7\u30fc\u30d5\u30a1\u30a4\u30eb\u306e /etc/ImageMagick-6/policy.xml \u3067\u30e1\u30e2\u30ea\u30ea\u30bd\u30fc\u30b9\u3092 1GB \u304b\u3089 4GB \u306b\u8a2d\u5b9a\u3057\u3066\u3082\u5931\u6557\u3057\u30668GB \u306b\u8a2d\u5b9a\u3057\u3066\u3084\u3063\u3068\u51e6\u7406\u304c\u51fa\u6765\u307e\u3057\u305f\uff0e
$ convert 2530201/* \u5b87\u5b99\u8239\u30d3\u30fc\u30b0\u30eb\u53f7\u306e\u5192\u967a.pdf (1)\n :\nconvert-im6.q16: cache resources exhausted `2530201/2530201-107.jpg' @ error/cache.c/OpenPixelCache/4119.\nconvert-im6.q16: TooManyExceptions (exception processing is suspended) @ warning/exception.c/ThrowException/1054.\nconvert-im6.q16: cache resources exhausted `2530201/2530201-108.jpg' @ error/cache.c/OpenPixelCache/4119.\n$ identify -list resource (2)\nResource limits:\n Width: 32KP\n Height: 32KP\n List length: unlimited\n Area: 256MP\n Memory: 1GiB\n Map: 2GiB\n Disk: 2GiB\n File: 768\n Thread: 4\n Throttle: 0\n Time: unlimited\n$ identify -limit memory 4096MiB -list resource | grep ^\\ \\ Memory: (3)\n Memory: 1GiB\n$ identify -limit memory 512MiB -list resource | grep ^\\ \\ Memory: (4)\n Memory: 512MiB\n$ sudo git -C /etc diff /etc/ImageMagick-6/policy.xml (5)\ndiff --git a/ImageMagick-6/policy.xml b/ImageMagick-6/policy.xml\nindex 4b878ce..aa54cbe 100644\n--- a/ImageMagick-6/policy.xml\n+++ b/ImageMagick-6/policy.xml\n@@ -95,7 +95,7 @@\n <!-- Set maximum amount of memory in bytes to allocate for the pixel cache\n from the heap. When this limit is exceeded, the image pixels are cached\n to memory-mapped disk. -->\n- <policy domain=\"resource\" name=\"memory\" value=\"1024MiB\"/>\n+ <policy domain=\"resource\" name=\"memory\" value=\"4096MiB\"/>\n <!-- Set maximum amount of memory map in bytes to allocate for the pixel\n cache. When this limit is exceeded, the image pixels are cached to\n disk. -->\n$ identify -list resource | grep ^\\ \\ Memory: (6)\n Memory: 4GiB\n
\u3044\u3061\u304a\u3046\u3053\u308c\u3067\u8fd4\u9084\u3067\u3057\u307e\u3057\u305f\u304c\uff0c\u3053\u306e\u30e1\u30e2\u30ea\u5229\u7528\u91cf\u3068\u5909\u63db\u6642\u9593\u306f\u5927\u304d\u3059\u304e\u308b\u306e\u3067\u4ed6\u306e\u65b9\u6cd5\u3092\u63a2\u3057\u307e\u3057\u305f\uff0e
\nimg2pdf \u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u3092\u898b\u3064\u3051\u307e\u3057\u305f\uff0e\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u53ef\u80fd\u306a\u3089\u30ed\u30b9\u30ec\u30b9\u3067\u753b\u50cf\u3092 PDF \u30d5\u30a1\u30a4\u30eb\u306b\u5909\u63db\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u9ad8\u901f(\u304b\u3064\u7701\u30ea\u30bd\u30fc\u30b9\u306a\u306f\u305a)\u3067\u51e6\u7406\u3067\u304d\u305d\u3046\u3067\u3059\uff0e
\n\u5c0e\u5165\u306f\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u30d1\u30c3\u30b1\u30fc\u30b8\u304b\u3089\uff0e\u5b9f\u884c\u901f\u5ea6\u3082\u3068\u3066\u3082\u65e9\u304b\u3063\u305f\u3067\u3059\uff0e
\n$ sudo apt install img2pdf (1)\n$ img2pdf -o \u5b87\u5b99\u8239\u30d3\u30fc\u30b0\u30eb\u53f7\u306e\u5192\u967a-img2pdf.pdf 2530201/* (2)\nfind 2530201 -type f -print0 | sort -Vz | xargs -0 img2pdf -o \u5b87\u5b99\u8239\u30d3\u30fc\u30b0\u30eb\u53f7\u306e\u5192\u967a.pdf (3)\n
\u5909\u63db\u6642\u9593\u306e\u6bd4\u8f03\u3067\u3059\uff0econvert \u304c\u7570\u69d8\u306b\u9045\u3044\u3067\u3059\u304c\uff0c\u3053\u308c\u306f\u30b9\u30ef\u30c3\u30d7\u3092\u4f7f\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u306e\u3082\u5927\u304d\u3044\u3068\u601d\u308f\u308c\uff0c\u30e1\u30e2\u30ea\u306e\u5927\u304d\u3044\u30de\u30b7\u30f3\u3060\u3068\u3082\u3063\u3068\u65e9\u304f\u306a\u308b\u3068\u601d\u3044\u307e\u3059\uff0e
\n$ time convert 2530201/* \u5b87\u5b99\u8239\u30d3\u30fc\u30b0\u30eb\u53f7\u306e\u5192\u967a.pdf\n\nreal 5m18.636s\nuser 0m47.748s\nsys 0m31.136s\n$ time img2pdf -o \u5b87\u5b99\u8239\u30d3\u30fc\u30b0\u30eb\u53f7\u306e\u5192\u967a-img2pdf.pdf 2530201/*\n\nreal 0m1.279s\nuser 0m0.556s\nsys 0m0.180s\n
\u5b9f\u969b\u306e\u753b\u50cf\u3082\u7279\u306b\u554f\u984c\u306a\u3055\u305d\u3046\u3060\u3057\uff0c\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3082\u307b\u3068\u3093\u3069\u5909\u308f\u308a\u307e\u305b\u3093\u3067\u3057\u305f\uff0e
\n\u5358\u7d14\u306b\u753b\u50cf\u3092 PDF \u30d5\u30a1\u30a4\u30eb\u306b\u5909\u63db\u3059\u308b\u6642\u306f img2pdf \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3046\u306e\u304c\u826f\u3055\u305d\u3046\u3067\u3059\uff0e
\n$ dpkg-query -W imagemagick img2pdf\nimagemagick 8:6.9.12.98+dfsg1-5.2\nimg2pdf 0.5.1-1\n$ lsb_release -a\nNo LSB modules are available.\nDistributor ID: Debian\nDescription: Debian GNU/Linux trixie/sid\nRelease: n/a\nCodename: trixie\n$ arch\nx86_64\n
\u56fd\u7acb\u56fd\u4f1a\u56f3\u66f8\u9928\u30c7\u30b8\u30bf\u30eb\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u8535\u66f8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u30ed\u30fc\u30ab\u30eb\u3067\u8aad\u3080\u969b\u4f59\u767d\u304c\u90aa\u9b54\u306a\u306e\u3067\u6d88\u3057\u307e\u3057\u305f\uff0e
\n\n
\u307e\u305a\uff0c\u5341\u5168\u306b\u56fd\u7acb\u56fd\u4f1a\u56f3\u66f8\u9928\u30c7\u30b8\u30bf\u30eb\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u56fd\u7acb\u56fd\u4f1a\u56f3\u66f8\u9928\u306e\u5229\u7528\u8005\u767b\u9332\uff08\u500b\u4eba\uff09\u306e\u672c\u767b\u9332\u3092\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\uff0e
\n\u73fe\u5728\u306f\u73fe\u5730\u306b\u884c\u304b\u305a\u3068\u3082\u9060\u9694\u3067\u672c\u767b\u9332\u307e\u3067\u53ef\u80fd\u3067\u3059\uff0e\u4fbf\u5229\u306b\u306a\u308a\u307e\u3057\u305f\u306d\uff0e
\n\u56fd\u7acb\u56fd\u4f1a\u56f3\u66f8\u9928\u30c7\u30b8\u30bf\u30eb\u30b3\u30ec\u30af\u30b7\u30e7\u30f3 \u3067\u8aad\u307f\u305f\u3044\u672c\u3092\u691c\u7d22\uff0c\u30ed\u30b0\u30a4\u30f3( \u767b\u9332\u5229\u7528\u8005ID\uff0c\u30d1\u30b9\u30ef\u30fc\u30c9 )
\n\u53f3\u4e0b\u306e\u5370\u5237\u3067\u5370\u5237\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u3066\u300c\u5370\u5237\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u300d\u3067\u8a72\u5f53\u7bc4\u56f2\u306e pdf \u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\uff0c
\n\u4e0a\u90e8\u306b \u300c\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u2026\u300d \u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\uff0c\u3057\u3070\u3089\u304f\u5f85\u3064\u3068 \u300c\u5370\u5237\u7528\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u53f3\u306e\u30ea\u30f3\u30af\u304b\u3089PDF\u30d5\u30a1\u30a4\u30eb\u3092\u8868\u793a\u3067\u304d\u307e\u3059\u3002\u300d\u306b\u5909\u308f\u308b\u306e\u3067 \u300cPDF\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u300d \u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\uff0e
| \n Note \n | \n\n \n \n50\u30b3\u30de\u3092\u8d85\u3048\u3066\u3044\u308b\u5834\u5408\u306f\u300c\u7bc4\u56f2\u3092\u6307\u5b9a\u300d\u3067 | \n
\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f PDF \u30d5\u30a1\u30a4\u30eb\u306f\u4e0b\u90e8\u306b \u767b\u9332\u5229\u7528\u8005ID, \u5229\u7528\u8005\u540d\uff0c\u751f\u6210\u5e74\u6708\u65e5\u6642\u5206\u79d2 \u304c\u753b\u50cf\u306b\u57cb\u3081\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\uff0e
\nPDF \u30d5\u30a1\u30a4\u30eb\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3057\u305f\uff0e2481 x 1732.5 pts 50\u30b3\u30de(100\u30da\u30fc\u30b8\u5206)\u306737MB\u7a0b\uff0e
\n$ pdfinfo digidepo_2530201_0001-001-050.pdf\nTitle: \u5b87\u5b99\u8239\u30d3\u30fc\u30b0\u30eb\u53f7\u306e\u5192\u967a\nKeywords: A.E.\u30f4\u30a1\u30f3\u30fb\u30f4\u30a9\u30fc\u30af\u30c8 \u8457 \u307b\u304b\u300e\u5b87\u5b99\u8239\u30d3\u30fc\u30b0\u30eb\u53f7\u306e\u5192\u967a\u300f,\u6771\u4eac\u5275\u5143\u793e,1964.2(43\u5237:1999.10). \u56fd\u7acb\u56fd\u4f1a\u56f3\u66f8\u9928\u30c7\u30b8\u30bf\u30eb\u30b3\u30ec\u30af\u30b7\u30e7\u30f3 https://dl.ndl.go.jp/pid/2530201 (\u53c2\u7167 2024-05-02)\nAuthor: A.E.\u30f4\u30a1\u30f3\u30fb\u30f4\u30a9\u30fc\u30af\u30c8 \u8457\nProducer: PyPDF2\nCreationDate: Thu May 2 00:30:21 2024 JST\nModDate: Thu May 2 00:30:21 2024 JST\nCustom Metadata: no\nMetadata Stream: no\nTagged: no\nUserProperties: no\nSuspects: no\nForm: none\nJavaScript: no\nPages: 50\nEncrypted: yes (print:yes copy:no change:no addNotes:no algorithm:AES-256)\nPage size: 2481 x 1732.5 pts\nPage rot: 0\nFile size: 36676525 bytes\nOptimized: no\nPDF version: 1.7\n
Encrypted \u3067 print:yes copy:no change:no addNotes:no \u3067\u30d1\u30b9\u30ef\u30fc\u30c9\u3082\u308f\u304b\u3089\u306a\u3044\u306e\u3067\uff0ctdftk \u306f\u4f7f\u3048\u307e\u305b\u3093\uff0e
\nError: Invalid PDF: unknown.encryption.type.r\nError: Failed to open input PDF file:\n
print \u306f\u51fa\u6765\u308b\u306e\u3067 mcomix \u3067\u3082\u8aad\u3081\u307e\u3059\uff0e\u3068\u3044\u3046\u3053\u3068\u3067 pdfimages \u3067\u4e2d\u306e\u753b\u50cf\u306e\u53d6\u308a\u51fa\u3057\u306f\u51fa\u6765\u307e\u3057\u305f\uff0e
$ pdfimages -all digidepo_2530201_0001-001-050.pdf 2530201/2530201\n$ ls 2530201/\n2530201-000.jpg 2530201-004.jpg 2530201-008.jpg 2530201-012.jpg 2530201-016.jpg 2530201-020.jpg 2530201-024.jpg 2530201-028.jpg 2530201-032.jpg 2530201-036.jpg 2530201-040.jpg 2530201-044.jpg 2530201-048.jpg\n2530201-001.jpg 2530201-005.jpg 2530201-009.jpg 2530201-013.jpg 2530201-017.jpg 2530201-021.jpg 2530201-025.jpg 2530201-029.jpg 2530201-033.jpg 2530201-037.jpg 2530201-041.jpg 2530201-045.jpg 2530201-049.jpg\n2530201-002.jpg 2530201-006.jpg 2530201-010.jpg 2530201-014.jpg 2530201-018.jpg 2530201-022.jpg 2530201-026.jpg 2530201-030.jpg 2530201-034.jpg 2530201-038.jpg 2530201-042.jpg 2530201-046.jpg\n2530201-003.jpg 2530201-007.jpg 2530201-011.jpg 2530201-015.jpg 2530201-019.jpg 2530201-023.jpg 2530201-027.jpg 2530201-031.jpg 2530201-035.jpg 2530201-039.jpg 2530201-043.jpg 2530201-047.jpg\n$ file 2530201/2530201-001.jpg\n2530201/2530201-001.jpg: JPEG image data, JFIF standard 1.01, aspect ratio, density 1x1, segment length 16, baseline, precision 8, 3308x2310, components 3\n
\u4f59\u767d\u304c\u6c17\u306b\u306a\u308b\u306e\u3067 Imagemagick \u306e trim \u3067\u30ab\u30c3\u30c8\u3057\u307e\u3059\uff0e\u6b63\u653b\u6cd5\u3060\u3068\u5ea7\u6a19\u3092\u6307\u5b9a\u3057\u307e\u3059\u304c\uff0c\u4eca\u56de\u306f fuzz \u3067 Imagemagick \u306b\u9811\u5f35\u3063\u3066\u3082\u3089\u3044\u307e\u3059\uff0e
\nfuzz \u306e % \u306f\u753b\u50cf\u306b\u3088\u308a\u4e01\u5ea6\u3044\u3044\u5024\u3092\u63a2\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff0e\u4eca\u56de\u306f 60% \u3067\u826f\u3055\u305d\u3046.
$ convert 2530201/2530201-001.jpg -fuzz 60% -trim 2530201-001-trim.jpg\n
\u4f59\u767d\u304c\u30ab\u30c3\u30c8\u3055\u308c\uff0c3308×2310 \u2192 2831×2099 \u306b\u306a\u308a\u307e\u3057\u305f\uff0e\u3044\u3044\u611f\u3058\u305d\u3046\u306a\u306e\u3067 mogrify \u3067\u5168\u753b\u50cf\u306b\u53cd\u6620\u3057\u30661\u3064\u306e\u30a2\u30fc\u30ab\u30a4\u30d6\u306b\u307e\u3068\u3081\u307e\u3057\u305f\uff0e
\n$ mogrify -fuzz 60% -trim 2530201/*\n$ find 2530201 | sort -V | zip -@0 ./\u5b87\u5b99\u8239\u30d3\u30fc\u30b0\u30eb\u53f7\u306e\u5192\u967a.zip\n
50\u30b3\u30de\u4ee5\u4e0a\u306e\u8cc7\u6599\u3067\uff0c2\u3064\u4ee5\u4e0a\u306e\u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u5834\u5408\u306f2\u3064\u76ee\u4ee5\u964d\u306e PDF \u3092\u540c\u69d8\u306b\u5909\u63db\u3092\u7e70\u308a\u8fd4\u3057\u3066\u30a2\u30fc\u30ab\u30a4\u30d6\u306b\u8ffd\u52a0\u3057\u307e\u3059\uff0e\u305f\u3060\uff0c pdfimages \u3067\u751f\u6210\u3055\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u88ab\u3063\u3066\u3057\u307e\u3046\u306e\u3067 rename \u30b3\u30de\u30f3\u30c9\u306a\u3069\u3067\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u5909\u66f4\u3057\u307e\u3059\uff0e
$ rm 2530201/* (1)\n$ pdfimages -all ./digidepo_2530201_0001-051-100.pdf 2530201/2530201 (2)\n$ rename 's/(\\d+)-(\\d+)/sprintf \"$1-%03d\",$2 + 50/e' 2530201/* (3)\n$ mogrify -fuzz 60% -trim 2530201/* (4)\n$ find 2530201 -print | sort -V | zip -@0 ./\u5b87\u5b99\u8239\u30d3\u30fc\u30b0\u30eb\u53f7\u306e\u5192\u967a.zip (5)\n
\u30bf\u30d6\u30ec\u30c3\u30c8\u7aef\u672b\u3067 MComix \u3067\u95b2\u89a7\u3059\u308b\u3068\u3044\u3044\u611f\u3058\u305d\u3046\u3067\u3059\uff0e\u3061\u3087\u3063\u3068\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044\u306e\u3067\u7e2e\u5c0f\u3057\u305f\u308a\uff0c\u4e92\u63db\u6027\u306e\u305f\u3081\u306b PDF \u5f62\u5f0f\u306b\u3057\u305f\u308a\u3057\u3066\u3082\u826f\u3055\u305d\u3046\u3067\u3059\uff0e
\n\u30b9\u30de\u30db\u306a\u3069\u3067\u8aad\u3080\u5834\u5408\u306f\u3055\u3089\u306b\u771f\u3093\u4e2d\u304b\u30892\u5206\u5272\u3057\u305f\u3089\u826f\u3055\u305d\u3046\u3067\u3059\u304c\uff0c\u3056\u3063\u3068\u898b\u305f\u611f\u3058\u306e\u3069\u304c\u4e2d\u592e\u306b\u63c3\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3067\u5c11\u3057\u9762\u5012\u305d\u3046\u3067\u3059\uff0e
$ dpkg-query -W imagemagick zip poppler-utils rename\nimagemagick 8:6.9.12.98+dfsg1-5.2\npoppler-utils 22.12.0-2.2+b1\nrename 2.02-1\nzip 3.0-13\n$ lsb_release -a\nNo LSB modules are available.\nDistributor ID: Debian\nDescription: Debian GNU/Linux trixie/sid\nRelease: n/a\nCodename: trixie\n$ arch\nx86_64\n
ImagemMgick\u306econvert\u30b3\u30de\u30f3\u30c9\u3067pdf\u3092jpeg\u306b\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\uff0e\u3067\u3082\u3053\u308c\u306f\u898b\u899a\u3048\u306e\u3042\u308b\u30a8\u30e9\u30fc\u2026\u2026\u3069\u3053\u304b\u306b\u30e1\u30e2\u3057\u305f\u6c17\u304c\u3059\u308b\u306e\u3067\u3059\u304c\u898b\u5f53\u305f\u3089\u306a\u3044\u306e\u3067blog\u306b\u3057\u3066\u307f\u307e\u3057\u305f\uff0e
\n$ convert -geometry 640 /var/tmp/Nextcloud2pdf_cache/HQeSTL5TgcgAPtS.pdf[0] /tmp/HQeSTL5TgcgAPtS.jpg\nconvert-im6.q16: attempt to perform an operation not allowed by the security policy `PDF' @ error/constitute.c/IsCoderAuthorized/408.\nconvert-im6.q16: no images defined `/tmp/HQeSTL5TgcgAPtS.jpg' @ error/convert.c/ConvertImageCommand/3258.\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u554f\u984c\u3067ImageMagick\u306e\u8a2d\u5b9a\u3067\u7121\u52b9\u306b\u3057\u3066\u3042\u308b\u306e\u3067\u3053\u308c\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\uff0e
\n$ sudo git -C /etc diff /etc/ImageMagick-6/policy.xml\ndiff --git a/ImageMagick-6/policy.xml b/ImageMagick-6/policy.xml\nindex 82a3d0b..0953557 100644\n--- a/ImageMagick-6/policy.xml\n+++ b/ImageMagick-6/policy.xml\n@@ -91,6 +91,6 @@\n <policy domain=\"coder\" rights=\"none\" pattern=\"PS2\" />\n <policy domain=\"coder\" rights=\"none\" pattern=\"PS3\" />\n <policy domain=\"coder\" rights=\"none\" pattern=\"EPS\" />\n- <policy domain=\"coder\" rights=\"none\" pattern=\"PDF\" />\n+ <policy domain=\"coder\" rights=\"read|write\" pattern=\"PDF\" />\n <policy domain=\"coder\" rights=\"none\" pattern=\"XPS\" />\n </policymap>\u8a2d\u5b9a\u3092\u7de8\u96c6\u5f8c\u5b9f\u884c\u3059\u308b\u3068\u3046\u307e\u304f\u52d5\u304d\u307e\u3057\u305f :)
\n$ convert -geometry 640 /var/tmp/Nextcloud2pdf_cache/HQeSTL5TgcgAPtS.pdf[0] /tmp/HQeSTL5TgcgAPtS.jpg\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u666e\u901a\u306b\u6307\u5b9a\u3059\u308b\u3068\uff0c \u30d5\u30a1\u30a4\u30eb\u540d-%d.jpg \u306e\u3088\u3046\u306a\u30d5\u30a1\u30a4\u30eb\u304c\u9023\u756a\u3067\u4f5c\u6210\u3055\u308c\u307e\u3059\uff0e
\n\u4eca\u56de\u306f1\u30da\u30fc\u30b8\u3081\u3060\u3051\u304c\u6b32\u3057\u3044\u306e\u3067\u4e0d\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u304c\u305f\u304f\u3055\u3093\u51fa\u6765\u3066\u3057\u307e\u3044\u307e\u3059\uff0e
1\u30da\u30fc\u30b8\u3060\u3051\u304c\u6b32\u3057\u3044\u5834\u5408\uff0c \u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u540d.pdf[0] \u3068\u3044\u3046\u3088\u3046\u306b\u30da\u30fc\u30b8\u6307\u5b9a\u3057\u3066\u5b9f\u73fe\u3067\u304d\u307e\u3059\uff0e\u3053\u306e\u6dfb\u5b57\u306f1\u30da\u30fc\u30b8\u76ee\u304c0\uff0c2\u30da\u30fc\u30b8\u3081\u304c1\u306e\u3088\u3046\u306b\u6307\u5b9a\u3057\u307e\u3059\uff0e
\u5b58\u5728\u3057\u306a\u3044\u30da\u30fc\u30b8\u756a\u53f7\u3092\u6307\u5b9a\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\uff0e
\n$ convert -geometry 640 /var/tmp/Nextcloud2pdf_cache/HQeSTL5TgcgAPtS.pdf[99] /tmp/HQeSTL5TgcgAPtS-99.jpg\n\nRequested FirstPage is greater than the number of pages in the file: 33\n No pages will be processed (FirstPage > LastPage).\nconvert-im6.q16: no images defined `./HQeSTL5TgcgAPtS-1.jpg' @ error/convert.c/ConvertImageCommand/3258.$ dpkg-query -W imagemagick\nimagemagick 8:6.9.10.23+dfsg-2.1+deb10u1\n$ lsb_release -dr\nDescription: Debian GNU/Linux 10 (buster)\nRelease: 10\n$ uname -m\nx86_64Google Photo\u306bheic\u5f62\u5f0f\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3068\u300c\u9ad8\u753b\u8cea\u300d(16MP\u306b\u7e2e\u5c0f\u3055\u308c\u308b)\u8a2d\u5b9a\u3067\u3082\u7e2e\u5c0f\u3055\u308c\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u3069\u306e\u304f\u3089\u3044\u306e\u30b5\u30a4\u30ba\u307e\u3067OK\u306a\u306e\u304b\u3092\u8a66\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\uff0c\u500d\u3005\u3067\u753b\u50cf\u7d50\u5408\u3057\u3066\u3044\u305f\u3089128MP\u307b\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u4f5c\u6210\u6642\u306b\u5931\u6557\u3057\u307e\u3057\u305f\uff0e
\n$ convert -append out.heic out.heic out128.heic\nconvert-im6.q16: cache resources exhausted `out.heic' @ error/cache.c/OpenPixelCache/4083.\n
\u51e6\u7406\u3057\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u306f\u7121\u99c4\u306b\u3067\u304b\u3044\u3067\u3059\uff0e
\n$ identify ./out.heic\n./out.heic HEIC 9884x6552 9884x6552+0+0 8-bit YCbCr 0.020u 0:00.010\n
\u3053\u306e\u3042\u305f\u308a\u306e\u30da\u30fc\u30b8\u3092\u53c2\u8003\u306b\u30dd\u30ea\u30b7\u30fc\u30d5\u30a1\u30a4\u30eb\u3092\u4fee\u6b63\u3057\u3066\u30e1\u30e2\u30ea\u3092\u5897\u3084\u3057\u3066\u307f\u307e\u3059\uff0e
\n$ sudo git -C /etc diff /etc/ImageMagick-6/policy.xml\ndiff --git a/ImageMagick-6/policy.xml b/ImageMagick-6/policy.xml\nindex 59d2fc6..4c6d088 100644\n--- a/ImageMagick-6/policy.xml\n+++ b/ImageMagick-6/policy.xml\n@@ -57,8 +57,8 @@\n <!-- <policy domain=\"system\" name=\"memory-map\" value=\"anonymous\"/> -->\n <!-- <policy domain=\"system\" name=\"max-memory-request\" value=\"256MiB\"/> -->\n <!-- <policy domain=\"resource\" name=\"temporary-path\" value=\"/tmp\"/> -->\n- <policy domain=\"resource\" name=\"memory\" value=\"256MiB\"/>\n- <policy domain=\"resource\" name=\"map\" value=\"512MiB\"/>\n+ <policy domain=\"resource\" name=\"memory\" value=\"2048MiB\"/>\n+ <policy domain=\"resource\" name=\"map\" value=\"4096MiB\"/>\n <policy domain=\"resource\" name=\"width\" value=\"16KP\"/>\n <policy domain=\"resource\" name=\"height\" value=\"16KP\"/>\n <!-- <policy domain=\"resource\" name=\"list-length\" value=\"128\"/> -->\n
\u3046\u307e\u304f\u884c\u304f\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f :)
\n$ time convert -append out.heic out.heic out128.heic; echo $?\n\nreal 2m33.128s\nuser 6m42.527s\nsys 0m4.704s\n0\n$ ls -l out128.heic\n-rw-r--r-- 1 matoken matoken 4286359 Oct 20 00:30 out128.heic\n$ identify out128.heic\nout128.heic HEIC 9884x13104 9884x13104+0+0 8-bit YCbCr 0.000u 0:00.010\n
\u3067\u3082\u5272\u308a\u5f53\u3066\u904e\u304e\u306a\u6c17\u3082\u3059\u308b\u306e\u3067\u3082\u5c11\u3057\u6e1b\u3089\u305d\u3046\uff0e
\n$ dpkg-query -W imagemagick\nimagemagick 8:6.9.10.23+dfsg-2.1+b2\n$ lsb_release -dr\nDescription: Debian GNU/Linux bullseye/sid\nRelease: unstable\n$ uname -m\nx86_64\n
\u6700\u8fd1Mailman\u306bbot\u304b\u3089\u3067\u3042\u308d\u3046\u767b\u9332\u304c\u6ca2\u5c71\u3084\u3063\u3066\u304f\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0e\u767b\u9332\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u5927\u62b5\u30e1\u30b8\u30e3\u30fc\u306a\u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u751f\u304d\u3066\u3044\u308b\u3088\u3046\u306a\u306e\u3067\u3059\u304c\uff0cquota\u3084\u8ee2\u9001\u91cf\u306e\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u5e30\u3063\u3066\u304d\u307e\u3059\uff0e\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u3067\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u3042\u3075\u308c\u3066\u8f9b\u3044\u3067\u3059\uff0e
\nMailman\u306bcaptcha\u304b\u4f55\u304b\u3092\u8a2d\u7f6e\u3067\u304d\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u304b\u7121\u3044\u304b\u306a\u3068\u63a2\u3057\u3066\u307f\u305f\u306e\u3067\u3059\u304c\uff0c\u516c\u5f0f\u3067\u306f\u306a\u3044\u3088\u3046\u3067\u3059\uff0esource\u3092\u4fee\u6b63\u3057\u3066Google\u306eReCaptcha\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u4eba\u306f\u5c45\u307e\u3059\u304c\uff0c\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u306e\u305f\u3073\u306b\u30d1\u30c3\u30c1\u3059\u308b\u306e\u306f\u9762\u5012\u3067\u3059\uff0e\u6700\u8fd1\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30db\u30fc\u30eb\u304c\u898b\u3064\u304b\u3063\u3066\u3044\u307e\u3059\u3057\u653e\u7f6e\u3059\u308b\u308f\u3051\u306b\u3082\u751f\u304d\u307e\u305b\u3093\uff0e
\n\n\u8a72\u5f53\u30e1\u30fc\u30eb\u3092\u898b\u308b\u3068\u5e78\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u4f7f\u3044\u56de\u3057\u3067\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306f\u591a\u304f\u3042\u308a\u307e\u305b\u3093\uff0e\u3068\u308a\u3042\u3048\u305aMailman\u306eban_list\u306b\u3053\u308c\u3089\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u767b\u9332\u3057\u3066mailq\u306b\u6e9c\u307e\u3063\u3066\u3044\u308b\u8a72\u5f53\u30e1\u30fc\u30eb\u306fdrop\u3057\u307e\u3057\u305f\uff0e1\u9031\u9593\u304f\u3089\u3044\u3057\u305f\u3089\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u306e\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u3082\u7121\u304f\u306a\u3063\u3066\u9759\u304b\u306b\u306a\u308b\u3068\u826f\u3044\u306a\u3068\u601d\u3063\u3066\u3044\u307e\u3059\uff0e
\nban_list\u306b\u767b\u9332\u3057\u307e\u3057\u305f\u304c\uff0c\u3082\u3057\u304b\u3057\u305f\u3089bot\u3067\u306f\u306a\u304f\u666e\u901a\u306b\u767b\u9332\u3057\u3088\u3046\u3068\u3057\u3066\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u3042\u3075\u308c\u3066\u3044\u308b\u4eba\u3082\u5c45\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\uff0e\u305d\u308c\u304c\u89e3\u308b\u3088\u3046\u306bban_list\u3092\u7533\u3057\u8fbc\u307f\u30da\u30fc\u30b8\u306b\u8868\u793a\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\uff0e\u305d\u306e\u307e\u307e\u8868\u793a\u3059\u308b\u306e\u306f\u826f\u304f\u306a\u3044\u6c17\u304c\u3059\u308b\u306e\u3067\u753b\u50cf\u306b\u3057\u3066\u30ce\u30a4\u30ba\u3092\u6563\u3089\u3057\u3066\u6ce2\u578b\u5909\u5f62\u3092\u304b\u3051\u3066\u307f\u307e\u3057\u305f\uff0e
\nMailman\u306econfig_list\u30b3\u30de\u30f3\u30c9\u3067\u8a2d\u5b9a\u3092\u51fa\u529b\u3057\u3066ban_list\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u51fa\u3057\uff0cImagemagick\u306econvert\u30b3\u30de\u30f3\u30c9\u3067\u30ce\u30a4\u30ba\u3068\u6ce2\u578b\u5909\u5f62\u306e\u30d5\u30a3\u30eb\u30bf\u3092\u304b\u3051\u3066\u753b\u50cf\u3092\u751f\u6210\u3057\u307e\u3057\u305f\uff0e
\n\u3053\u3093\u306a\u611f\u3058\u306e\u753b\u50cf\u306b\u306a\u308a\u307e\u3059\uff0e\u3053\u308c\u3092\u7533\u3057\u8fbc\u307f\u30da\u30fc\u30b8\u306b\u8aac\u660e\u3068\u4e00\u7dd2\u306b\u8f09\u305b\u307e\u3059\uff0e(\u30ce\u30a4\u30ba\u306e\u305b\u3044\u3067\u5bb9\u91cf\u304c\u5927\u304d\u304f\u2026\u2026)
![\"image\"](\"https://farm1.staticflickr.com/917/29490780468_e7018958cb.jpg\"/)
cron\u306b\u767b\u9332\u3057\u307e\u3057\u305f\uff0e
\n\n$ sudo -u list crontab -l|grep ban_list39 * * * * /usr/lib/mailman/bin/config_list -c -o /dev/stdout users|grep ^ban_list |sed -e 's/^.*\\[\\|\\]\\|'\\''\\|'\\ '//g'|sed -e 's/\\@/ at /g'|tr -s ',' '\\n' | sort -n > /var/lib/mailman/lists/users/ban_list && convert -size 1024x600 -background '#FFFFFF' -density 36 -gravity Center -fill black -font SetoFont label:\"users ban_list `stat -c \\%y /var/lib/mailman/lists/users/ban_list|cut -f1 -d.`\\n\\n`cat /var/lib/mailman/lists/users/ban_list`\" -attenuate 5 -noise 7 +noise Gaussian -wave 15x`expr \\( 100 + $((RANDOM \\% 100)) \\)` /var/lib/mailman/archives/public/users/ban_list.jpg
\u2026\u2026\u9577\u3044\u3067\u3059\u306d\uff0e\u305d\u308c\u306b\u753b\u50cf\u30b5\u30a4\u30ba\u56fa\u5b9a\u306a\u306e\u3067list\u304c\u5897\u3048\u308b\u3068\u6587\u5b57\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\uff0e\u3066\u3053\u3068\u3067script\u306b\uff0e
\n\n#!/bin/shLISTNAME='users'FONT='SetoFont'BANLIST='/var/lib/mailman/lists/users/ban_list'IMAGE='/var/lib/mailman/archives/public/users/ban_list.jpg'# ban_list\u3092\u62bd\u51fa\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u51fa\u3057/usr/lib/mailman/bin/config_list -c -o /dev/stdout ${LISTNAME} | grep ^ban_list | sed -e 's/^.*\\[\\|\\]\\|'\\''\\|'\\ '//g' | sed -e 's/\\@/ at /g' | tr -s ',' '\\n' | sort -n > ${BANLIST}# ban_list\u306e\u884c\u6570\u306b\u3088\u3063\u3066\u753b\u50cf\u9ad8\u3055\u3092\u8a08\u7b97BANWC=`wc -l ${BANLIST} | cut -d\\ -f1`HIGHT=`expr \\( ${BANWC} \\* 60 + 120 \\)`# \u753b\u50cf\u306b\u66f8\u304d\u51fa\u3059\u6587\u5b57\u5217\u3092\u4f5c\u6210LABEL=\"users ban_list `stat -c \\%y ${BANLIST} | cut -f1 -d.`\\n\\n`cat ${BANLIST}`\"# \u6ce2\u578b\u5909\u5f62\u306e\u6ce2\u306e\u6df1\u3055\u3092\u8a08\u7b97WAVEX=`expr \\( 10 + $((RANDOM % 10)) \\)`WAVEY=`expr \\( 100 + $((RANDOM % 100)) \\)`# \u753b\u50cf\u4f5c\u6210convert -size 1024x${HIGHT} -background '#FFFFFF' -density 36 -gravity Center -fill black -font ${FONT} label:\"${LABEL}\" -attenuate 5 -noise 7 +noise Gaussian -wave ${WAVWX}x${WAVEY} ${IMAGE}
\u3066\u3053\u3068\u3067\u3068\u308a\u3042\u3048\u305a\u306e\u5bfe\u51e6\u7642\u6cd5\u3067\u3059\u304c\u2026\u2026\uff0e
\n\n", "content_text": "\u6700\u8fd1Mailman\u306bbot\u304b\u3089\u3067\u3042\u308d\u3046\u767b\u9332\u304c\u6ca2\u5c71\u3084\u3063\u3066\u304f\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0e\u767b\u9332\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u5927\u62b5\u30e1\u30b8\u30e3\u30fc\u306a\u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u751f\u304d\u3066\u3044\u308b\u3088\u3046\u306a\u306e\u3067\u3059\u304c\uff0cquota\u3084\u8ee2\u9001\u91cf\u306e\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u5e30\u3063\u3066\u304d\u307e\u3059\uff0e\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u3067\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u3042\u3075\u308c\u3066\u8f9b\u3044\u3067\u3059\uff0e\nMailman\u306bcaptcha\u304b\u4f55\u304b\u3092\u8a2d\u7f6e\u3067\u304d\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u304b\u7121\u3044\u304b\u306a\u3068\u63a2\u3057\u3066\u307f\u305f\u306e\u3067\u3059\u304c\uff0c\u516c\u5f0f\u3067\u306f\u306a\u3044\u3088\u3046\u3067\u3059\uff0esource\u3092\u4fee\u6b63\u3057\u3066Google\u306eReCaptcha\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u4eba\u306f\u5c45\u307e\u3059\u304c\uff0c\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u306e\u305f\u3073\u306b\u30d1\u30c3\u30c1\u3059\u308b\u306e\u306f\u9762\u5012\u3067\u3059\uff0e\u6700\u8fd1\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30db\u30fc\u30eb\u304c\u898b\u3064\u304b\u3063\u3066\u3044\u307e\u3059\u3057\u653e\u7f6e\u3059\u308b\u308f\u3051\u306b\u3082\u751f\u304d\u307e\u305b\u3093\uff0e\n\nMailman and captcha\nCVE – CVE-2018-5950\nCVE – CVE-2018-13796\n\n\u8a72\u5f53\u30e1\u30fc\u30eb\u3092\u898b\u308b\u3068\u5e78\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u4f7f\u3044\u56de\u3057\u3067\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306f\u591a\u304f\u3042\u308a\u307e\u305b\u3093\uff0e\u3068\u308a\u3042\u3048\u305aMailman\u306eban_list\u306b\u3053\u308c\u3089\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u767b\u9332\u3057\u3066mailq\u306b\u6e9c\u307e\u3063\u3066\u3044\u308b\u8a72\u5f53\u30e1\u30fc\u30eb\u306fdrop\u3057\u307e\u3057\u305f\uff0e1\u9031\u9593\u304f\u3089\u3044\u3057\u305f\u3089\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u306e\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u3082\u7121\u304f\u306a\u3063\u3066\u9759\u304b\u306b\u306a\u308b\u3068\u826f\u3044\u306a\u3068\u601d\u3063\u3066\u3044\u307e\u3059\uff0e\nban_list\u306b\u767b\u9332\u3057\u307e\u3057\u305f\u304c\uff0c\u3082\u3057\u304b\u3057\u305f\u3089bot\u3067\u306f\u306a\u304f\u666e\u901a\u306b\u767b\u9332\u3057\u3088\u3046\u3068\u3057\u3066\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u3042\u3075\u308c\u3066\u3044\u308b\u4eba\u3082\u5c45\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\uff0e\u305d\u308c\u304c\u89e3\u308b\u3088\u3046\u306bban_list\u3092\u7533\u3057\u8fbc\u307f\u30da\u30fc\u30b8\u306b\u8868\u793a\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\uff0e\u305d\u306e\u307e\u307e\u8868\u793a\u3059\u308b\u306e\u306f\u826f\u304f\u306a\u3044\u6c17\u304c\u3059\u308b\u306e\u3067\u753b\u50cf\u306b\u3057\u3066\u30ce\u30a4\u30ba\u3092\u6563\u3089\u3057\u3066\u6ce2\u578b\u5909\u5f62\u3092\u304b\u3051\u3066\u307f\u307e\u3057\u305f\uff0e\nMailman\u306econfig_list\u30b3\u30de\u30f3\u30c9\u3067\u8a2d\u5b9a\u3092\u51fa\u529b\u3057\u3066ban_list\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u51fa\u3057\uff0cImagemagick\u306econvert\u30b3\u30de\u30f3\u30c9\u3067\u30ce\u30a4\u30ba\u3068\u6ce2\u578b\u5909\u5f62\u306e\u30d5\u30a3\u30eb\u30bf\u3092\u304b\u3051\u3066\u753b\u50cf\u3092\u751f\u6210\u3057\u307e\u3057\u305f\uff0e\n\u3053\u3093\u306a\u611f\u3058\u306e\u753b\u50cf\u306b\u306a\u308a\u307e\u3059\uff0e\u3053\u308c\u3092\u7533\u3057\u8fbc\u307f\u30da\u30fc\u30b8\u306b\u8aac\u660e\u3068\u4e00\u7dd2\u306b\u8f09\u305b\u307e\u3059\uff0e(\u30ce\u30a4\u30ba\u306e\u305b\u3044\u3067\u5bb9\u91cf\u304c\u5927\u304d\u304f\u2026\u2026)\n\ncron\u306b\u767b\u9332\u3057\u307e\u3057\u305f\uff0e\n$ sudo -u list crontab -l|grep ban_list39 * * * * /usr/lib/mailman/bin/config_list -c -o /dev/stdout users|grep ^ban_list |sed -e 's/^.*\\[\\|\\]\\|'\\''\\|'\\ '//g'|sed -e 's/\\@/ at /g'|tr -s ',' '\\n' | sort -n > /var/lib/mailman/lists/users/ban_list && convert -size 1024x600 -background '#FFFFFF' -density 36 -gravity Center -fill black -font SetoFont label:\"users ban_list `stat -c \\%y /var/lib/mailman/lists/users/ban_list|cut -f1 -d.`\\n\\n`cat /var/lib/mailman/lists/users/ban_list`\" -attenuate 5 -noise 7 +noise Gaussian -wave 15x`expr \\( 100 + $((RANDOM \\% 100)) \\)` /var/lib/mailman/archives/public/users/ban_list.jpg\n\u2026\u2026\u9577\u3044\u3067\u3059\u306d\uff0e\u305d\u308c\u306b\u753b\u50cf\u30b5\u30a4\u30ba\u56fa\u5b9a\u306a\u306e\u3067list\u304c\u5897\u3048\u308b\u3068\u6587\u5b57\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\uff0e\u3066\u3053\u3068\u3067script\u306b\uff0e\n#!/bin/sh LISTNAME='users'FONT='SetoFont'BANLIST='/var/lib/mailman/lists/users/ban_list'IMAGE='/var/lib/mailman/archives/public/users/ban_list.jpg' # ban_list\u3092\u62bd\u51fa\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u51fa\u3057/usr/lib/mailman/bin/config_list -c -o /dev/stdout ${LISTNAME} | grep ^ban_list | sed -e 's/^.*\\[\\|\\]\\|'\\''\\|'\\ '//g' | sed -e 's/\\@/ at /g' | tr -s ',' '\\n' | sort -n > ${BANLIST} # ban_list\u306e\u884c\u6570\u306b\u3088\u3063\u3066\u753b\u50cf\u9ad8\u3055\u3092\u8a08\u7b97BANWC=`wc -l ${BANLIST} | cut -d\\ -f1`HIGHT=`expr \\( ${BANWC} \\* 60 + 120 \\)` # \u753b\u50cf\u306b\u66f8\u304d\u51fa\u3059\u6587\u5b57\u5217\u3092\u4f5c\u6210LABEL=\"users ban_list `stat -c \\%y ${BANLIST} | cut -f1 -d.`\\n\\n`cat ${BANLIST}`\" # \u6ce2\u578b\u5909\u5f62\u306e\u6ce2\u306e\u6df1\u3055\u3092\u8a08\u7b97WAVEX=`expr \\( 10 + $((RANDOM % 10)) \\)`WAVEY=`expr \\( 100 + $((RANDOM % 100)) \\)` # \u753b\u50cf\u4f5c\u6210convert -size 1024x${HIGHT} -background '#FFFFFF' -density 36 -gravity Center -fill black -font ${FONT} label:\"${LABEL}\" -attenuate 5 -noise 7 +noise Gaussian -wave ${WAVWX}x${WAVEY} ${IMAGE} \n\u3066\u3053\u3068\u3067\u3068\u308a\u3042\u3048\u305a\u306e\u5bfe\u51e6\u7642\u6cd5\u3067\u3059\u304c\u2026\u2026\uff0e\n\u74b0\u5883\n$ lsb_release -dDescription: Debian GNU/Linux 9.4 (stretch)$ uname -mx86_64$ dpkg-query -W mailmanmailman 1:2.1.23-1+deb9u2$ dpkg-query -W imagemagickimagemagick 8:6.9.7.4+dfsg-11+deb9u4", "date_published": "2018-07-12T21:12:22+09:00", "date_modified": "2018-07-12T21:14:26+09:00", "authors": [ { "name": "matoken", "url": "https://matoken.org/blog/author/matoken/", "avatar": "https://secure.gravatar.com/avatar/e34dfb243cc4baa2f1d4306941d9cfd8?s=512&d=mm&r=g" } ], "author": { "name": "matoken", "url": "https://matoken.org/blog/author/matoken/", "avatar": "https://secure.gravatar.com/avatar/e34dfb243cc4baa2f1d4306941d9cfd8?s=512&d=mm&r=g" }, "tags": [ "Imagemagick", "mail", "maillist", "Mailman", "Debian", "Linux", "stretch" ] } ] }$ lsb_release -dDescription: Debian GNU/Linux 9.4 (stretch)$ uname -mx86_64$ dpkg-query -W mailmanmailman 1:2.1.23-1+deb9u2$ dpkg-query -W imagemagickimagemagick 8:6.9.7.4+dfsg-11+deb9u4