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mount passes `-o noexec` if `-o user` is set and `-o exec` is not set. If both `-o user` and `-o exec` are set, it passes `-o exec`. We handle both cases by ignoring these arguments.
mount(1) unsets PATH before calling mount.fuse. Therefore it's not set in gocrpytfs either and daemonization fails if gocryptfs was not executed via an absolute path. mount.fuse handles this by leaving the execution of the helper to /bin/sh. /bin/sh handles an empty PATH by searching a few default locations. This patch sets the PATH to a sane default if it's empty or unset.
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Hi, thanks for the changes! About -noexec, I wonder if we should actually mount with -noexec instead of ignoring it. |
rfjakob
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Jun 7, 2018
When mounted via /etc/fstab like this, /a /b fuse.gocryptfs default 0 0 we always get extra options passed. As reported by @mahkoh at #233 : mount passes `-o noexec` if `-o user` is set and `-o exec` is not set. If both `-o user` and `-o exec` are set, it passes `-o exec`. Make these options work, and in addtion, also make -suid and -rw work the same way. Reported-by: @mahkoh
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These patches fix some problems I encountered while using gocryptfs via /etc/fstab. See the commit messages for more details.