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clamfs - Online in the Cloud

Run clamfs in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command clamfs that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


clamfs - an anti-virus protected file system

SYNOPSIS


clamfs <configuration.file>

DESCRIPTION


This manual page documents briefly the ClamFS user-space file system.

clamfs is a program that mount anti-virus protected file system into existing directory
tree.

Features
* User-space file system (no kernel patches, recompilation, etc.)

* Configuration stored in XML files

* FUSE (and libfuse) used as file system back-end

* Scan files using ClamAV

* ScanCache (LRU with time-based and out-of-memory expiration) speeds up file access

* Sends mail to administrator when detect virus

Idea
ClamFS is completely user-space anti-virus solution for Linux. It uses libfuse and Linux
kernel module to provide file system. ClamAV is used as anti-virus scanner.

Normally program (or library) uses glibc open() call to obtain file descriptor. Glibc
calls kernel VFS to open file regardless of file system used. If file is on ClamFS file
system open call from VFS is directed to user-space by FUSE. ClamFS calls libfuse to
communicate with FUSE and through it with VFS.

Internals
ClamFS is spitted into four parts:

* libfuse bindings -- used to communicate with FUSE (and with VFS through it),

* ScanCache -- store (per file) results of anti-virus scanning to speed up future open()
requests

* ScanQueue -- queue files for scanning

* clamd / libclamav bindings -- communicate with anti-virus scanner

OPTIONS


This program uses only one command line argument - configuration file name.

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