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[GH-ISSUE #1000] support all user readable directories (except cfg.homedir) in --private-home #682

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opened 2026-05-05 06:26:33 -06:00 by gitea-mirror · 3 comments

gitea-mirror commented

2026-05-05 06:26:33 -06:00

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Originally created by @thewisenerd on GitHub (Dec 23, 2016).
Original GitHub issue: https://github.com/netblue30/firejail/issues/1000

I found the --private-home option to be perfect for initializing a tmpfs $HOME directory with a few files copied in, however, making it to read files only from user home top level directories is limiting for my use.

I do not want to use the --private=dir option as changes made to dir from the sandboxed application are visible back in userspace. I do not also want, the hassles of unshare and creating a private tmpfs mount.

example:
I want to initialize $HOME as private fs with a .config directory, but I do not want to use my ~/.config directory, but another directory such as ~/sandbox/.config. Since fcopy takes the destination name from strrchr(fname, '/'), the end result would be a .config directory copied to $HOME/.config nevertheless.

ps: I have implemented this at b548a7b8e0 and want to know if there's a better way to do this.

Originally created by @thewisenerd on GitHub (Dec 23, 2016). Original GitHub issue: https://github.com/netblue30/firejail/issues/1000 I found the ```--private-home``` option to be perfect for initializing a tmpfs ```$HOME``` directory with a few files copied in, however, making it to read files _only_ from user home top level directories is _limiting_ for my use. I do not want to use the ```--private=dir``` option as changes made to ```dir``` from the sandboxed application are visible back in userspace. I do not also want, the hassles of ```unshare``` and creating a private tmpfs mount. example: I want to initialize ```$HOME``` as private fs with a ```.config``` directory, but I do not want to use my ```~/.config``` directory, but another directory such as ```~/sandbox/.config```. Since fcopy takes the destination name from ```strrchr(fname, '/')```, the end result would be a ```.config``` directory copied to ```$HOME/.config``` nevertheless. ps: I have implemented this at https://github.com/thewisenerd/firejail/commit/b548a7b8e09bf4d15b1123061e845f1d592a4c05 and want to know if there's a better way to do this.

gitea-mirror commented

2026-05-05 06:26:36 -06:00

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@thewisenerd commented on GitHub (Dec 23, 2016):

nocontext: and this is issue #1000 (yay!)

@thewisenerd commented on GitHub (Dec 23, 2016): nocontext: and this is issue #1000 (yay!)

gitea-mirror commented

2026-05-05 06:26:39 -06:00

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@a-barinov commented on GitHub (Dec 21, 2017):

@netblue30, please add this to the next release - this is a truly helpful feature. Couple of use cases are: allowing to use system-wide parts for homedir templates and using homedir parts from eCryptfs.

@a-barinov commented on GitHub (Dec 21, 2017): @netblue30, please add this to the next release - this is a truly helpful feature. Couple of use cases are: allowing to use system-wide parts for homedir templates and using homedir parts from eCryptfs.

gitea-mirror commented

2026-05-05 06:26:41 -06:00

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@chiraag-nataraj commented on GitHub (May 20, 2019):

I don't think this is in yet. @thewisenerd, please feel free to create a pull request (but base it off the current master, obviously haha) if you've already implemented this and we'll take a look there. Thanks!

@chiraag-nataraj commented on GitHub (May 20, 2019): I don't think this is in yet. @thewisenerd, please feel free to create a pull request (but base it off the current master, obviously haha) if you've already implemented this and we'll take a look there. Thanks!

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Reference: github-starred/firejail#682

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