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Kernel: Implement unveil() as a prefix-tree

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Fixes #4530.
This commit is contained in:
AnotherTest 2020-12-26 13:54:34 +03:30 • committed by Andreas Kling
parent cb3348191b
commit a9184fcb76
8 changed files with 192 additions and 58 deletions
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14
Kernel/FileSystem/ProcFS.cpp
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@ -634,18 +634,20 @@ static OwnPtr<KBuffer> procfs$pid_unveil(InodeIdentifier identifier)
KBufferBuilder builder;
JsonArraySerializer array { builder };
for (auto& unveiled_path : process->unveiled_paths()) {
if (!unveiled_path.was_explicitly_unveiled())
continue;
auto obj = array.add_object();
obj.add("path", unveiled_path.path);
obj.add("path", unveiled_path.path());
StringBuilder permissions_builder;
if (unveiled_path.permissions & UnveiledPath::Access::Read)
if (unveiled_path.permissions() & UnveilAccess::Read)
permissions_builder.append('r');
if (unveiled_path.permissions & UnveiledPath::Access::Write)
if (unveiled_path.permissions() & UnveilAccess::Write)
permissions_builder.append('w');
if (unveiled_path.permissions & UnveiledPath::Access::Execute)
if (unveiled_path.permissions() & UnveilAccess::Execute)
permissions_builder.append('x');
if (unveiled_path.permissions & UnveiledPath::Access::CreateOrRemove)
if (unveiled_path.permissions() & UnveilAccess::CreateOrRemove)
permissions_builder.append('c');
if (unveiled_path.permissions & UnveiledPath::Access::Browse)
if (unveiled_path.permissions() & UnveilAccess::Browse)
permissions_builder.append('b');
obj.add("permissions", permissions_builder.to_string());
}