fchmodexec

README

SYNOPSIS

fchmodexec mode fd ... -- cmd ...

DESCRIPTION

fchmodexec - fchmod(2) inherited file descriptors before exec(3)'ing a command

fchmodexec runs as part of an exec chain to change the permissions of any file descriptors inherited from the parent process before executing a program.

EXAMPLES

$ umask 077; ( ./fchmodexec 644 1 -- ls -al out) > out
$ cat out
-rw-r--r-- 1 msantos msantos 0 Mar 18 07:32 out
$ ls -al out
-rw-r--r-- 1 msantos msantos 48 Mar 18 07:32 out

OPTIONS

None.

BUILDING

go install go.iscode.ca/fchmodexec/cmd/fchmodexec@latest

To build a reproducible executable from the git repository:

CGO_ENABLED=0 go build -trimpath -ldflags "-w" ./cmd/fchmodexec

ALTERNATIVES

• fchmodexec
• fchmodexec-rs

SEE ALSO

exec(3), fchmod(2)