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feat(kernel): implement handling symbolic links in paths

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2
2025-03-27 14:33:29 +00:00
parent 13d52897b8
commit 7491f19f9a
6 changed files with 58 additions and 3 deletions
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17
Kernel/storage/filesystem.cpp
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@ -161,6 +161,7 @@ namespace vfs
}
Inode *Node = NULL;
bool readSymlinks = true; /* FIXME: implement */
do
{
auto it = DeviceMap.find(__Parent->Node->Device);
@ -170,6 +171,22 @@ namespace vfs
if (it->second.fsi->Ops.Lookup == NULL)
ReturnLogError(nullptr, "Lookup not supported for %d", it->first);
if (readSymlinks && __Parent->IsSymbolicLink())
{
if (it->second.fsi->Ops.ReadLink == NULL)
ReturnLogError(nullptr, "Readlink not supported for %d", it->first);
char buffer[256];
int ret = it->second.fsi->Ops.ReadLink(__Parent->Node, buffer, sizeof(buffer));
if (ret < 0)
ReturnLogError(nullptr, "Readlink for \"%s\"(%d) failed with %d", __Parent->Path.c_str(), it->first, ret);
FileNode *target = this->GetByPath(buffer, __Parent->Parent ? __Parent->Parent : __Parent);
if (target == nullptr)
ReturnLogError(nullptr, "Failed to find target for \"%s\"", __Parent->Path.c_str());
__Parent = target;
}
std::string segmentName(segment.begin, segment.size);
int ret = it->second.fsi->Ops.Lookup(__Parent->Node, segmentName.c_str(), &Node);
if (ret < 0)