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Kernel: Add getsockopt(SO_PEERCRED) for local sockets

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This sockopt gives you a struct with the PID, UID and GID of a socket's
peer process.
This commit is contained in:
Andreas Kling 2019-12-06 18:38:36 +01:00
parent 6e6e0b9de8
commit 23e802518d
10 changed files with 72 additions and 12 deletions
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17
Kernel/Net/Socket.h
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@ -77,10 +77,14 @@ public:
virtual ssize_t recvfrom(FileDescription&, void*, size_t, int flags, sockaddr*, socklen_t*) = 0;
virtual KResult setsockopt(int level, int option, const void*, socklen_t);
virtual KResult getsockopt(int level, int option, void*, socklen_t*);
virtual KResult getsockopt(FileDescription&, int level, int option, void*, socklen_t*);
pid_t origin_pid() const { return m_origin_pid; }
pid_t acceptor_pid() const { return m_acceptor_pid; }
pid_t origin_pid() const { return m_origin.pid; }
uid_t origin_uid() const { return m_origin.uid; }
gid_t origin_gid() const { return m_origin.gid; }
pid_t acceptor_pid() const { return m_acceptor.pid; }
uid_t acceptor_uid() const { return m_acceptor.uid; }
gid_t acceptor_gid() const { return m_acceptor.gid; }
timeval receive_deadline() const { return m_receive_deadline; }
timeval send_deadline() const { return m_send_deadline; }
@ -107,12 +111,15 @@ protected:
Role m_role { Role::None };
protected:
ucred m_origin { 0, 0, 0 };
ucred m_acceptor { 0, 0, 0 };
private:
virtual bool is_socket() const final { return true; }
Lock m_lock { "Socket" };
pid_t m_origin_pid { 0 };
pid_t m_acceptor_pid { 0 };
int m_domain { 0 };
int m_type { 0 };
int m_protocol { 0 };