PHP implementation logic for detecting whether files have viruses

After the user receives the sent file, he must be able to detect whether the file is a virus. The core software is clamav, which can be executed on the Linux command line to detect viruses in files or directories

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For downloading and installation, please refer to other technical articles.

It should be noted that you need to enable

LocalSocket /tmp/clamd.socket

in the configuration file

When running, a clamd program is run as a daemon. When detecting, you only need to Call the following command

/usr/local/clamav-0.102.1/bin/clamdscan File

The response information is the following content

/usr/local/clamav-0.102.1/bin/clamdscan /tmp/attachment_04613DE5A94DD00E1F48F7A5D39A802C9700000000000001_4
/tmp/attachment_04613DE5A94DD00E1F48F7A5D39A802C9700000000000001_4: Xls.Virus.Mailcab-6702020-0 FOUND
----------- SCAN SUMMARY -----------
Infected files: 1
Time: 0.176 sec (0 m 0 s)

Call the exec function in PHP and call the above command to achieve detection

    $cmd="/usr/local/clamav-0.102.1/bin/clamdscan {$file}";
    exec($cmd,$output);

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