<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">fIle-5.11 was released sometime in 2011... I think that if you use something more recent it will work a lot better.<div class=""><br class=""></div><div class="">christos<br class=""><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On May 25, 2021, at 6:25 PM, Matthew Czarnek <<a href="mailto:matthew.czarnek@verizonmedia.com" class="">matthew.czarnek@verizonmedia.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><p class=""><defanged_div dir="ltr" class="">Hi Christos,</defanged_div></p><p class=""><defanged_div class=""><br class=""></defanged_div></p><defanged_div class=""><p class=""><defanged_div class="">I'm using version <defanged_span style="font-variant-ligatures: no-common-ligatures; font-family: Menlo; font-size: 11px;" class="">5.11-37.el7 of file, the latest version.<br class=""><br class="">For the mac executable on Linux:<br class=""><br class=""></defanged_span>
</defanged_div></p><p class="gmail-p1" defanged_style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><defanged_span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">"file magic8" correctly shows:</defanged_span></p><p class="gmail-p1" defanged_style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><defanged_span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">magic8: Mach-O 64-bit executable</defanged_span></p><p class="gmail-p1" defanged_style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><defanged_span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><br class="">But "file -i magic8", which I believe uses the magic.h header shows:</defanged_span></p><p class="gmail-p1" defanged_style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><defanged_span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">magic8: application/octet-stream; charset=binary<br class=""><br class="">Thanks,<br class="">Matt</defanged_span></p><div class=""><br class="webkit-block-placeholder"></div><defanged_div class=""><div class=""><br class="webkit-block-placeholder"></div><defanged_div class=""><br class=""><p class=""><defanged_div class="gmail_quote"></defanged_div></p><p class=""><defanged_div dir="ltr" class="gmail_attr">On Tue, May 25, 2021 at 6:21 PM Christos Zoulas <<a href="mailto:christos@zoulas.com" class="">christos@zoulas.com</a>> wrote:<br class=""></defanged_div></p><defanged_div class=""><blockquote class="gmail_quote" defanged_style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><p class=""><defanged_div style="overflow-wrap: break-word;" class="">I don't know, it can be a number of things. What does the file(1) program say about it? What version of file(1) do you have installed on linux?</defanged_div></p><p class=""><defanged_div class=""><br class=""></defanged_div></p><defanged_div class=""><p class=""><defanged_div class="">christos<br class=""></defanged_div></p><p class=""><defanged_div class=""><br class=""></defanged_div></p><blockquote type="cite" class=""><p class=""><defanged_div class="">On May 25, 2021, at 5:52 PM, Matthew Czarnek <<a href="mailto:matthew.czarnek@verizonmedia.com" target="_blank" class="">matthew.czarnek@verizonmedia.com</a>> wrote:</defanged_div></p><defanged_div class=""><br class=""><p class=""><defanged_div class=""></defanged_div></p><p class=""><u class=""></u>Hello,<u class=""></u></p><p class=""><u class=""></u><br class=""><u class=""></u></p><u class=""></u><p class=""><u class=""></u>I've been using this go library to detect file types to block our users from uploading exes:<br class=""><a href="https://github.com/rakyll/magicmime" target="_blank" class="">https://github.com/rakyll/magicmime</a> <br class=""><u class=""></u></p><u class=""></u><p class=""><u class=""></u><br class="">On a mac it is capable of using the magic.h header to detect the file type of a go program compiled for mac as mime type "<u class=""></u>application/x-mach-binary", on Linux however, it is not able to detect those executables, only executables compiled for Linux. I'm guessing this is a matter of not having this file type registered in the magic database/file containing all the magic numbers?<br class=""><br class="">This is the beginning of the file:<br class=""><u class=""></u>
<u class=""></u></p><p class=""><u class=""></u>Ïúíþ<u class=""></u><u class=""></u>^G^@^@^A^C^@^@^@^B^@^@^@^Q^@^@^@<u class=""></u><u class=""></u>p<u class=""></u><u class=""></u>^M^@^@<85>^@^@^@^@^@^@^@^Y^@^@^@<u class=""></u><u class=""></u>H<u class=""></u><u class=""></u>^@^@^@<u class=""></u><u class=""></u>__PAGEZERO<u class=""></u></p><u class=""></u><br class="">Is it possible to add this/fix this for my own version or the next release?<br class=""><br class=""><u class=""></u><p class=""><defanged_div class=""><br class=""></defanged_div></p><defanged_div class=""><u class=""></u><p class=""><u class=""></u>-Matt<u class=""></u></p><u class=""></u><p class=""><defanged_div class=""><br class=""></defanged_div></p><defanged_div class=""><u class=""></u>
-- <br class="">File mailing list<br class=""><a href="mailto:File@astron.com" target="_blank" class="">File@astron.com</a><br class=""><a href="https://mailman.astron.com/mailman/listinfo/file" target="_blank" class="">https://mailman.astron.com/mailman/listinfo/file</a><br class=""><defanged_span id="gmail-m_-5046748093483777266cid:453EDE90-2E0A-4044-85E1-DEE1D4D50CAB" class=""><sanitizer.log></defanged_span><u class=""></u><u class=""></u><u class=""></u><u class=""></u><u class=""></u><div class=""><br class="webkit-block-placeholder"></div><defanged_div class=""></defanged_div></defanged_div></defanged_div></defanged_div></blockquote><div class=""><br class="webkit-block-placeholder"></div><defanged_div class=""><br class=""><div class=""><br class="webkit-block-placeholder"></div><defanged_div class=""><div class=""><br class="webkit-block-placeholder"></div><defanged_div class=""></defanged_div></defanged_div></defanged_div></defanged_div></blockquote><div class=""><br class="webkit-block-placeholder"></div><defanged_div class="">
<span id="cid:7A2F1DF8-DC4F-42DD-AFCE-CE89D54EE6B9"><sanitizer.log></span></defanged_div></defanged_div></defanged_div></defanged_div></defanged_div></div></blockquote></div><br class=""></div></div></body></html>