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ping: Use pledge()

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This commit is contained in:
Andreas Kling 2020-01-11 20:48:43 +01:00
parent 41c504a33b
commit 409a4f7756
4 changed files with 295 additions and 1 deletions
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31
Kernel/Process.h
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@ -30,6 +30,30 @@ void kgettimeofday(timeval&);
extern VirtualAddress g_return_to_ring3_from_signal_trampoline;
#define ENUMERATE_PLEDGE_PROMISES \
__ENUMERATE_PLEDGE_PROMISE(stdio) \
__ENUMERATE_PLEDGE_PROMISE(rpath) \
__ENUMERATE_PLEDGE_PROMISE(wpath) \
__ENUMERATE_PLEDGE_PROMISE(cpath) \
__ENUMERATE_PLEDGE_PROMISE(dpath) \
__ENUMERATE_PLEDGE_PROMISE(inet) \
__ENUMERATE_PLEDGE_PROMISE(id) \
__ENUMERATE_PLEDGE_PROMISE(proc) \
__ENUMERATE_PLEDGE_PROMISE(exec) \
__ENUMERATE_PLEDGE_PROMISE(unix) \
__ENUMERATE_PLEDGE_PROMISE(fattr) \
__ENUMERATE_PLEDGE_PROMISE(tty) \
__ENUMERATE_PLEDGE_PROMISE(chown) \
__ENUMERATE_PLEDGE_PROMISE(chroot) \
__ENUMERATE_PLEDGE_PROMISE(thread) \
__ENUMERATE_PLEDGE_PROMISE(shared_buffer)
enum class Pledge : u32 {
#define __ENUMERATE_PLEDGE_PROMISE(x) x,
ENUMERATE_PLEDGE_PROMISES
#undef __ENUMERATE_PLEDGE_PROMISE
};
class Process : public InlineLinkedListNode<Process>
, public Weakable<Process> {
friend class InlineLinkedListNode<Process>;
@ -230,6 +254,7 @@ public:
int sys$set_thread_boost(int tid, int amount);
int sys$set_process_boost(pid_t, int amount);
int sys$chroot(const char* path, size_t path_length);
int sys$pledge(const Syscall::SC_pledge_params*);
static void initialize();
@ -316,6 +341,9 @@ public:
Custody& root_directory_for_procfs();
void set_root_directory(const Custody&);
bool has_promises() const { return m_promises; }
bool has_promised(Pledge pledge) const { return m_promises & (1u << (u32)pledge); }
private:
friend class MemoryManager;
friend class Scheduler;
@ -407,6 +435,9 @@ private:
u32 m_priority_boost { 0 };
u32 m_promises { 0 };
u32 m_execpromises { 0 };
WaitQueue& futex_queue(i32*);
HashMap<u32, OwnPtr<WaitQueue>> m_futex_queues;
};