May 26, 2018

Tiny shell that only permits scp and sftp

[Excerpted from the README] “scponly” is an alternative “shell” of sorts for system administrators who would like to provide access to remote users to both read and write local files without providing any remote execution privileges. Functionally, it is best described as a wrapper to the tried-and-true ssh suite.

scponly validates remote requests by examining the third argument passed to the shell upon login. The first argument is the shell itself, and the second is -c. The only commands allowed are “scp”, “sftp-server” and “ls”. Arguments to these commands are passed along unmolested.

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