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Kernel: Support chdir() to a directory that's executable but not readable.

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Also the superuser should be allowed to resolve any possible path without
getting tripped up by EACCES.
This commit is contained in:
Andreas Kling
2019-03-01 23:54:07 +01:00
parent 4f9b6a88a6
commit f75eb9af16
3 changed files with 19 additions and 8 deletions
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11
Kernel/Process.cpp
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@@ -1273,13 +1273,10 @@ int Process::sys$chdir(const char* path)
{
if (!validate_read_str(path))
return -EFAULT;
int error;
auto descriptor = VFS::the().open(path, error, 0, 0, cwd_inode());
if (!descriptor)
return error;
if (!descriptor->is_directory())
return -ENOTDIR;
m_cwd = descriptor->inode();
auto directory_or_error = VFS::the().open_directory(String(path), cwd_inode());
if (directory_or_error.is_error())
return directory_or_error.error();
m_cwd = *directory_or_error.value();
return 0;
}