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procd: setup /dev/stdin, /dev/stdout and /dev/stderr symlinks

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Extend the hotplug.json ruleset to setup the common /dev/std{in,out,err}
symbolic links which are needed by some applications, e.g. nftables when
applying rulesets from stdin.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2021-11-18 13:00:09 +01:00 committed by Daniel Golle
parent 507f50df07
commit 50bc06e774
1 changed files with 11 additions and 1 deletions
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12
package/system/procd/files/hotplug.json
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@ -7,9 +7,19 @@
[ "has", "MINOR" ]
],
[
[ "if",
[ "eq", "DEVNAME", "null" ],
[
[ "makedev", "/dev/%DEVNAME%", "0666" ],
[ "exec", "/bin/ln", "-s", "/proc/self/fd/0", "/dev/stdin" ],
[ "exec", "/bin/ln", "-s", "/proc/self/fd/1", "/dev/stdout" ],
[ "exec", "/bin/ln", "-s", "/proc/self/fd/2", "/dev/stderr" ],
[ "return" ]
]
],
[ "if",
[ "eq", "DEVNAME",
[ "null", "full", "ptmx", "zero", "tty", "net", "random", "urandom" ]
[ "full", "ptmx", "zero", "tty", "net", "random", "urandom" ]
],
[
[ "makedev", "/dev/%DEVNAME%", "0666" ],