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ProcFS: Expose local sockets in /proc/net/local

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Sergey Bugaev 2019-08-10 19:11:35 +03:00 • committed by Andreas Kling
parent dadf6337ef
commit b9223e4f04
1 changed files with 21 additions and 2 deletions
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23
Kernel/FileSystem/ProcFS.cpp
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@ -13,10 +13,10 @@
#include <Kernel/FileSystem/VirtualFileSystem.h> #include <Kernel/FileSystem/VirtualFileSystem.h>
#include <Kernel/KBufferBuilder.h> #include <Kernel/KBufferBuilder.h>
#include <Kernel/KParams.h> #include <Kernel/KParams.h>
#include <Kernel/Net/LocalSocket.h>
#include <Kernel/Net/NetworkAdapter.h> #include <Kernel/Net/NetworkAdapter.h>
#include <Kernel/Net/TCPSocket.h> #include <Kernel/Net/TCPSocket.h>
#include <Kernel/Net/UDPSocket.h> #include <Kernel/Net/UDPSocket.h>
#include <Kernel/Net/LocalSocket.h>
#include <Kernel/PCI.h> #include <Kernel/PCI.h>
#include <Kernel/VM/MemoryManager.h> #include <Kernel/VM/MemoryManager.h>
#include <Kernel/kmalloc.h> #include <Kernel/kmalloc.h>
@ -56,6 +56,7 @@ enum ProcFileType {
FI_Root_net_adapters, FI_Root_net_adapters,
FI_Root_net_tcp, FI_Root_net_tcp,
FI_Root_net_udp, FI_Root_net_udp,
FI_Root_net_local,
FI_PID, FI_PID,
@ -328,6 +329,19 @@ Optional<KBuffer> procfs$net_udp(InodeIdentifier)
return json.serialized<KBufferBuilder>(); return json.serialized<KBufferBuilder>();
} }
Optional<KBuffer> procfs$net_local(InodeIdentifier)
{
JsonArray json;
LocalSocket::for_each([&json](auto& socket) {
JsonObject obj;
obj.set("path", String(socket.socket_path()));
obj.set("origin_pid", socket.origin_pid());
obj.set("acceptor_pid", socket.acceptor_pid());
json.append(obj);
});
return json.serialized<KBufferBuilder>();
}
Optional<KBuffer> procfs$pid_vmo(InodeIdentifier identifier) Optional<KBuffer> procfs$pid_vmo(InodeIdentifier identifier)
{ {
auto handle = ProcessInspectionHandle::from_pid(to_pid(identifier)); auto handle = ProcessInspectionHandle::from_pid(to_pid(identifier));
@ -563,7 +577,8 @@ Optional<KBuffer> procfs$memstat(InodeIdentifier)
json.set("super_physical_available", MM.super_physical_pages()); json.set("super_physical_available", MM.super_physical_pages());
json.set("kmalloc_call_count", g_kmalloc_call_count); json.set("kmalloc_call_count", g_kmalloc_call_count);
json.set("kfree_call_count", g_kfree_call_count); json.set("kfree_call_count", g_kfree_call_count);
return json.serialized<KBufferBuilder>();; return json.serialized<KBufferBuilder>();
;
} }
Optional<KBuffer> procfs$all(InodeIdentifier) Optional<KBuffer> procfs$all(InodeIdentifier)
@ -937,6 +952,7 @@ bool ProcFSInode::traverse_as_directory(Function<bool(const FS::DirectoryEntry&)
callback({ "adapters", 8, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_adapters), 0 }); callback({ "adapters", 8, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_adapters), 0 });
callback({ "tcp", 3, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_tcp), 0 }); callback({ "tcp", 3, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_tcp), 0 });
callback({ "udp", 3, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_udp), 0 }); callback({ "udp", 3, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_udp), 0 });
callback({ "local", 5, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_local), 0 });
break; break;
case FI_PID: { case FI_PID: {
@ -1025,6 +1041,8 @@ InodeIdentifier ProcFSInode::lookup(StringView name)
return to_identifier(fsid(), PDI_Root, 0, FI_Root_net_tcp); return to_identifier(fsid(), PDI_Root, 0, FI_Root_net_tcp);
if (name == "udp") if (name == "udp")
return to_identifier(fsid(), PDI_Root, 0, FI_Root_net_udp); return to_identifier(fsid(), PDI_Root, 0, FI_Root_net_udp);
if (name == "local")
return to_identifier(fsid(), PDI_Root, 0, FI_Root_net_local);
return {}; return {};
} }
@ -1137,6 +1155,7 @@ ProcFS::ProcFS()
m_entries[FI_Root_net_adapters] = { "adapters", FI_Root_net_adapters, procfs$net_adapters }; m_entries[FI_Root_net_adapters] = { "adapters", FI_Root_net_adapters, procfs$net_adapters };
m_entries[FI_Root_net_tcp] = { "tcp", FI_Root_net_tcp, procfs$net_tcp }; m_entries[FI_Root_net_tcp] = { "tcp", FI_Root_net_tcp, procfs$net_tcp };
m_entries[FI_Root_net_udp] = { "udp", FI_Root_net_udp, procfs$net_udp }; m_entries[FI_Root_net_udp] = { "udp", FI_Root_net_udp, procfs$net_udp };
m_entries[FI_Root_net_local] = { "local", FI_Root_net_local, procfs$net_local };
m_entries[FI_PID_vm] = { "vm", FI_PID_vm, procfs$pid_vm }; m_entries[FI_PID_vm] = { "vm", FI_PID_vm, procfs$pid_vm };
m_entries[FI_PID_vmo] = { "vmo", FI_PID_vmo, procfs$pid_vmo }; m_entries[FI_PID_vmo] = { "vmo", FI_PID_vmo, procfs$pid_vmo };