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lx_fs: respect writeable session argument 

Fixes #3492
This commit is contained in:
Pirmin Duss 2019-09-11 10:49:09 +02:00 committed by Christian Helmuth
parent 6fe80c3cc7
commit d953030c0e
1 changed files with 7 additions and 1 deletions
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8
repos/os/src/server/lx_fs/main.cc
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@ -389,6 +389,11 @@ class Lx_fs::Root : public Root_component<Session_component>
Genode::Attached_rom_dataspace _config { _env, "config" };
static inline bool writeable_from_args(char const *args)
{
return { Arg_string::find_arg(args, "writeable").bool_value(true) };
}
protected:
Session_component *_create_session(const char *args) override
@ -440,7 +445,8 @@ class Lx_fs::Root : public Root_component<Session_component>
/*
* Determine if write access is permitted for the session.
*/
writeable = policy.attribute_value("writeable", false);
writeable = policy.attribute_value("writeable", false) &&
writeable_from_args(args);
}
catch (Session_policy::No_policy_defined) {
Genode::error("invalid session request, no matching policy");