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path: root/pkg/sentry/fs/proc/rpcinet_proc.go
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Diffstat (limited to 'pkg/sentry/fs/proc/rpcinet_proc.go')
-rw-r--r--pkg/sentry/fs/proc/rpcinet_proc.go246
1 files changed, 134 insertions, 112 deletions
diff --git a/pkg/sentry/fs/proc/rpcinet_proc.go b/pkg/sentry/fs/proc/rpcinet_proc.go
index d025069df..65faa21f2 100644
--- a/pkg/sentry/fs/proc/rpcinet_proc.go
+++ b/pkg/sentry/fs/proc/rpcinet_proc.go
@@ -20,32 +20,72 @@ import (
"gvisor.googlesource.com/gvisor/pkg/abi/linux"
"gvisor.googlesource.com/gvisor/pkg/sentry/context"
"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
+ "gvisor.googlesource.com/gvisor/pkg/sentry/fs/fsutil"
"gvisor.googlesource.com/gvisor/pkg/sentry/fs/ramfs"
"gvisor.googlesource.com/gvisor/pkg/sentry/kernel"
"gvisor.googlesource.com/gvisor/pkg/sentry/socket/rpcinet"
"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
+ "gvisor.googlesource.com/gvisor/pkg/syserror"
+ "gvisor.googlesource.com/gvisor/pkg/waiter"
)
-// rpcinetFile implments fs.InodeOperations as RPCs.
-type rpcinetFile struct {
- ramfs.Entry
+// rpcInetInode implments fs.InodeOperations.
+type rpcInetInode struct {
+ fsutil.SimpleFileInode
- // filepath is the full path of this rpcinetFile.
+ // filepath is the full path of this rpcInetInode.
filepath string
k *kernel.Kernel
}
-// DeprecatedPreadv implements fs.InodeOperations.DeprecatedPreadv.
-// This method can panic if an rpcinetFile was created without an rpcinet
+func newRPCInetInode(ctx context.Context, msrc *fs.MountSource, filepath string, mode linux.FileMode) *fs.Inode {
+ f := &rpcInetInode{
+ SimpleFileInode: *fsutil.NewSimpleFileInode(ctx, fs.RootOwner, fs.FilePermsFromMode(mode), linux.PROC_SUPER_MAGIC),
+ filepath: filepath,
+ k: kernel.KernelFromContext(ctx),
+ }
+ return newProcInode(f, msrc, fs.SpecialFile, nil)
+}
+
+// GetFile implements fs.InodeOperations.GetFile.
+func (i *rpcInetInode) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs.FileFlags) (*fs.File, error) {
+ flags.Pread = true
+ flags.Pwrite = true
+ fops := &rpcInetFile{
+ inode: i,
+ }
+ return fs.NewFile(ctx, dirent, flags, fops), nil
+}
+
+// rpcInetFile implements fs.FileOperations as RPCs.
+type rpcInetFile struct {
+ waiter.AlwaysReady `state:"nosave"`
+ fsutil.FileGenericSeek `state:"nosave"`
+ fsutil.FileNoIoctl `state:"nosave"`
+ fsutil.FileNoMMap `state:"nosave"`
+ fsutil.FileNoopFlush `state:"nosave"`
+ fsutil.FileNoopFsync `state:"nosave"`
+ fsutil.FileNoopRelease `state:"nosave"`
+ fsutil.FileNotDirReaddir `state:"nosave"`
+
+ inode *rpcInetInode
+}
+
+// Read implements fs.FileOperations.Read.
+//
+// This method can panic if an rpcInetInode was created without an rpcinet
// stack.
-func (r rpcinetFile) DeprecatedPreadv(ctx context.Context, dst usermem.IOSequence, offset int64) (int64, error) {
- s, ok := r.k.NetworkStack().(*rpcinet.Stack)
+func (f *rpcInetFile) Read(ctx context.Context, file *fs.File, dst usermem.IOSequence, offset int64) (int64, error) {
+ if offset < 0 {
+ return 0, syserror.EINVAL
+ }
+ s, ok := f.inode.k.NetworkStack().(*rpcinet.Stack)
if !ok {
panic("Network stack is not a rpcinet.")
}
- contents, se := s.RPCReadFile(r.filepath)
+ contents, se := s.RPCReadFile(f.inode.filepath)
if se != nil || offset >= int64(len(contents)) {
return 0, io.EOF
}
@@ -54,16 +94,12 @@ func (r rpcinetFile) DeprecatedPreadv(ctx context.Context, dst usermem.IOSequenc
return int64(n), err
}
-// Truncate implements fs.InodeOperations.Truncate.
-func (r rpcinetFile) Truncate(context.Context, *fs.Inode, int64) error {
- return nil
-}
-
-// DeprecatedPwritev implements fs.InodeOperations.DeprecatedPwritev.
-// This method can panic if an rpcinetFile was created without an rpcinet
+// Write implements fs.FileOperations.Write.
+//
+// This method can panic if an rpcInetInode was created without an rpcInet
// stack.
-func (r rpcinetFile) DeprecatedPwritev(ctx context.Context, src usermem.IOSequence, offset int64) (int64, error) {
- s, ok := r.k.NetworkStack().(*rpcinet.Stack)
+func (f *rpcInetFile) Write(ctx context.Context, file *fs.File, src usermem.IOSequence, offset int64) (int64, error) {
+ s, ok := f.inode.k.NetworkStack().(*rpcinet.Stack)
if !ok {
panic("Network stack is not a rpcinet.")
}
@@ -78,116 +114,102 @@ func (r rpcinetFile) DeprecatedPwritev(ctx context.Context, src usermem.IOSequen
return int64(n), err
}
- written, se := s.RPCWriteFile(r.filepath, b)
+ written, se := s.RPCWriteFile(f.inode.filepath, b)
return int64(written), se.ToError()
}
-func newRPCProcFSFile(ctx context.Context, msrc *fs.MountSource, filepath string, mode linux.FileMode) *fs.Inode {
- f := &rpcinetFile{
- filepath: filepath,
- k: kernel.KernelFromContext(ctx),
- }
- f.InitEntry(ctx, fs.RootOwner, fs.FilePermsFromMode(mode))
-
- fi := newFile(f, msrc, fs.SpecialFile, nil)
- return fi
-}
-
// newRPCInetProcNet will build an inode for /proc/net.
func newRPCInetProcNet(ctx context.Context, msrc *fs.MountSource) *fs.Inode {
- d := &ramfs.Dir{}
- d.InitDir(ctx, nil, fs.RootOwner, fs.FilePermsFromMode(0555))
-
- // Add all the files we want to forward for /proc/net.
- d.AddChild(ctx, "arp", newRPCProcFSFile(ctx, msrc, "/proc/net/arp", 0444))
- d.AddChild(ctx, "dev", newRPCProcFSFile(ctx, msrc, "/proc/net/dev", 0444))
- d.AddChild(ctx, "if_inet6", newRPCProcFSFile(ctx, msrc, "/proc/net/if_inet6", 0444))
- d.AddChild(ctx, "ipv6_route", newRPCProcFSFile(ctx, msrc, "/proc/net/ipv6_route", 0444))
- d.AddChild(ctx, "netlink", newRPCProcFSFile(ctx, msrc, "/proc/net/netlink", 0444))
- d.AddChild(ctx, "netstat", newRPCProcFSFile(ctx, msrc, "/proc/net/netstat", 0444))
- d.AddChild(ctx, "packet", newRPCProcFSFile(ctx, msrc, "/proc/net/packet", 0444))
- d.AddChild(ctx, "protocols", newRPCProcFSFile(ctx, msrc, "/proc/net/protocols", 0444))
- d.AddChild(ctx, "psched", newRPCProcFSFile(ctx, msrc, "/proc/net/psched", 0444))
- d.AddChild(ctx, "ptype", newRPCProcFSFile(ctx, msrc, "/proc/net/ptype", 0444))
- d.AddChild(ctx, "route", newRPCProcFSFile(ctx, msrc, "/proc/net/route", 0444))
- d.AddChild(ctx, "tcp", newRPCProcFSFile(ctx, msrc, "/proc/net/tcp", 0444))
- d.AddChild(ctx, "tcp6", newRPCProcFSFile(ctx, msrc, "/proc/net/tcp6", 0444))
- d.AddChild(ctx, "udp", newRPCProcFSFile(ctx, msrc, "/proc/net/udp", 0444))
- d.AddChild(ctx, "udp6", newRPCProcFSFile(ctx, msrc, "/proc/net/udp6", 0444))
-
- return newFile(d, msrc, fs.SpecialDirectory, nil)
+ contents := map[string]*fs.Inode{
+ "arp": newRPCInetInode(ctx, msrc, "/proc/net/arp", 0444),
+ "dev": newRPCInetInode(ctx, msrc, "/proc/net/dev", 0444),
+ "if_inet6": newRPCInetInode(ctx, msrc, "/proc/net/if_inet6", 0444),
+ "ipv6_route": newRPCInetInode(ctx, msrc, "/proc/net/ipv6_route", 0444),
+ "netlink": newRPCInetInode(ctx, msrc, "/proc/net/netlink", 0444),
+ "netstat": newRPCInetInode(ctx, msrc, "/proc/net/netstat", 0444),
+ "packet": newRPCInetInode(ctx, msrc, "/proc/net/packet", 0444),
+ "protocols": newRPCInetInode(ctx, msrc, "/proc/net/protocols", 0444),
+ "psched": newRPCInetInode(ctx, msrc, "/proc/net/psched", 0444),
+ "ptype": newRPCInetInode(ctx, msrc, "/proc/net/ptype", 0444),
+ "route": newRPCInetInode(ctx, msrc, "/proc/net/route", 0444),
+ "tcp": newRPCInetInode(ctx, msrc, "/proc/net/tcp", 0444),
+ "tcp6": newRPCInetInode(ctx, msrc, "/proc/net/tcp6", 0444),
+ "udp": newRPCInetInode(ctx, msrc, "/proc/net/udp", 0444),
+ "udp6": newRPCInetInode(ctx, msrc, "/proc/net/udp6", 0444),
+ }
+
+ d := ramfs.NewDir(ctx, contents, fs.RootOwner, fs.FilePermsFromMode(0555))
+ return newProcInode(d, msrc, fs.SpecialDirectory, nil)
}
// newRPCInetProcSysNet will build an inode for /proc/sys/net.
func newRPCInetProcSysNet(ctx context.Context, msrc *fs.MountSource) *fs.Inode {
- d := &ramfs.Dir{}
- d.InitDir(ctx, nil, fs.RootOwner, fs.FilePermsFromMode(0555))
- d.AddChild(ctx, "ipv4", newRPCInetSysNetIPv4Dir(ctx, msrc))
- d.AddChild(ctx, "core", newRPCInetSysNetCore(ctx, msrc))
+ contents := map[string]*fs.Inode{
+ "ipv4": newRPCInetSysNetIPv4Dir(ctx, msrc),
+ "core": newRPCInetSysNetCore(ctx, msrc),
+ }
- return newFile(d, msrc, fs.SpecialDirectory, nil)
+ d := ramfs.NewDir(ctx, contents, fs.RootOwner, fs.FilePermsFromMode(0555))
+ return newProcInode(d, msrc, fs.SpecialDirectory, nil)
}
// newRPCInetSysNetCore builds the /proc/sys/net/core directory.
func newRPCInetSysNetCore(ctx context.Context, msrc *fs.MountSource) *fs.Inode {
- d := &ramfs.Dir{}
- d.InitDir(ctx, nil, fs.RootOwner, fs.FilePermsFromMode(0555))
-
- // Add all the files we want to forward over RPC for /proc/sys/net/core
- d.AddChild(ctx, "default_qdisc", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/core/default_qdisc", 0444))
- d.AddChild(ctx, "message_burst", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/core/message_burst", 0444))
- d.AddChild(ctx, "message_cost", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/core/message_cost", 0444))
- d.AddChild(ctx, "optmem_max", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/core/optmem_max", 0444))
- d.AddChild(ctx, "rmem_default", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/core/rmem_default", 0444))
- d.AddChild(ctx, "rmem_max", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/core/rmem_max", 0444))
- d.AddChild(ctx, "somaxconn", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/core/somaxconn", 0444))
- d.AddChild(ctx, "wmem_default", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/core/wmem_default", 0444))
- d.AddChild(ctx, "wmem_max", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/core/wmem_max", 0444))
-
- return newFile(d, msrc, fs.SpecialDirectory, nil)
+ contents := map[string]*fs.Inode{
+ "default_qdisc": newRPCInetInode(ctx, msrc, "/proc/sys/net/core/default_qdisc", 0444),
+ "message_burst": newRPCInetInode(ctx, msrc, "/proc/sys/net/core/message_burst", 0444),
+ "message_cost": newRPCInetInode(ctx, msrc, "/proc/sys/net/core/message_cost", 0444),
+ "optmem_max": newRPCInetInode(ctx, msrc, "/proc/sys/net/core/optmem_max", 0444),
+ "rmem_default": newRPCInetInode(ctx, msrc, "/proc/sys/net/core/rmem_default", 0444),
+ "rmem_max": newRPCInetInode(ctx, msrc, "/proc/sys/net/core/rmem_max", 0444),
+ "somaxconn": newRPCInetInode(ctx, msrc, "/proc/sys/net/core/somaxconn", 0444),
+ "wmem_default": newRPCInetInode(ctx, msrc, "/proc/sys/net/core/wmem_default", 0444),
+ "wmem_max": newRPCInetInode(ctx, msrc, "/proc/sys/net/core/wmem_max", 0444),
+ }
+
+ d := ramfs.NewDir(ctx, contents, fs.RootOwner, fs.FilePermsFromMode(0555))
+ return newProcInode(d, msrc, fs.SpecialDirectory, nil)
}
// newRPCInetSysNetIPv4Dir builds the /proc/sys/net/ipv4 directory.
func newRPCInetSysNetIPv4Dir(ctx context.Context, msrc *fs.MountSource) *fs.Inode {
- d := &ramfs.Dir{}
- d.InitDir(ctx, nil, fs.RootOwner, fs.FilePermsFromMode(0555))
-
- // Add all the files we want to forward over RPC for /proc/sys/net/ipv4.
- d.AddChild(ctx, "ip_local_port_range", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/ip_local_port_range", 0444))
- d.AddChild(ctx, "ip_local_reserved_ports", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/ip_local_reserved_ports", 0444))
- d.AddChild(ctx, "ipfrag_time", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/ipfrag_time", 0444))
- d.AddChild(ctx, "ip_nonlocal_bind", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/ip_nonlocal_bind", 0444))
- d.AddChild(ctx, "ip_no_pmtu_disc", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/ip_no_pmtu_disc", 0444))
-
- d.AddChild(ctx, "tcp_allowed_congestion_control", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_allowed_congestion_control", 0444))
- d.AddChild(ctx, "tcp_available_congestion_control", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_available_congestion_control", 0444))
- d.AddChild(ctx, "tcp_base_mss", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_base_mss", 0444))
- d.AddChild(ctx, "tcp_congestion_control", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_congestion_control", 0644))
- d.AddChild(ctx, "tcp_dsack", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_dsack", 0644))
- d.AddChild(ctx, "tcp_early_retrans", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_early_retrans", 0644))
- d.AddChild(ctx, "tcp_fack", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_fack", 0644))
- d.AddChild(ctx, "tcp_fastopen", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_fastopen", 0644))
- d.AddChild(ctx, "tcp_fastopen_key", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_fastopen_key", 0444))
- d.AddChild(ctx, "tcp_fin_timeout", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_fin_timeout", 0644))
- d.AddChild(ctx, "tcp_invalid_ratelimit", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_invalid_ratelimit", 0444))
- d.AddChild(ctx, "tcp_keepalive_intvl", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_keepalive_intvl", 0644))
- d.AddChild(ctx, "tcp_keepalive_probes", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_keepalive_probes", 0644))
- d.AddChild(ctx, "tcp_keepalive_time", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_keepalive_time", 0644))
- d.AddChild(ctx, "tcp_mem", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_mem", 0444))
- d.AddChild(ctx, "tcp_mtu_probing", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_mtu_probing", 0644))
- d.AddChild(ctx, "tcp_no_metrics_save", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_no_metrics_save", 0444))
- d.AddChild(ctx, "tcp_probe_interval", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_probe_interval", 0444))
- d.AddChild(ctx, "tcp_probe_threshold", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_probe_threshold", 0444))
- d.AddChild(ctx, "tcp_retries1", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_retries1", 0644))
- d.AddChild(ctx, "tcp_retries2", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_retries2", 0644))
- d.AddChild(ctx, "tcp_rfc1337", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_rfc1337", 0444))
- d.AddChild(ctx, "tcp_rmem", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_rmem", 0444))
- d.AddChild(ctx, "tcp_sack", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_sack", 0644))
- d.AddChild(ctx, "tcp_slow_start_after_idle", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_slow_start_after_idle", 0644))
- d.AddChild(ctx, "tcp_synack_retries", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_synack_retries", 0644))
- d.AddChild(ctx, "tcp_syn_retries", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_syn_retries", 0644))
- d.AddChild(ctx, "tcp_timestamps", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_timestamps", 0644))
- d.AddChild(ctx, "tcp_wmem", newRPCProcFSFile(ctx, msrc, "/proc/sys/net/ipv4/tcp_wmem", 0444))
-
- return newFile(d, msrc, fs.SpecialDirectory, nil)
+ contents := map[string]*fs.Inode{
+ "ip_local_port_range": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/ip_local_port_range", 0444),
+ "ip_local_reserved_ports": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/ip_local_reserved_ports", 0444),
+ "ipfrag_time": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/ipfrag_time", 0444),
+ "ip_nonlocal_bind": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/ip_nonlocal_bind", 0444),
+ "ip_no_pmtu_disc": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/ip_no_pmtu_disc", 0444),
+ "tcp_allowed_congestion_control": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_allowed_congestion_control", 0444),
+ "tcp_available_congestion_control": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_available_congestion_control", 0444),
+ "tcp_base_mss": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_base_mss", 0444),
+ "tcp_congestion_control": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_congestion_control", 0644),
+ "tcp_dsack": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_dsack", 0644),
+ "tcp_early_retrans": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_early_retrans", 0644),
+ "tcp_fack": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_fack", 0644),
+ "tcp_fastopen": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_fastopen", 0644),
+ "tcp_fastopen_key": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_fastopen_key", 0444),
+ "tcp_fin_timeout": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_fin_timeout", 0644),
+ "tcp_invalid_ratelimit": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_invalid_ratelimit", 0444),
+ "tcp_keepalive_intvl": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_keepalive_intvl", 0644),
+ "tcp_keepalive_probes": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_keepalive_probes", 0644),
+ "tcp_keepalive_time": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_keepalive_time", 0644),
+ "tcp_mem": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_mem", 0444),
+ "tcp_mtu_probing": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_mtu_probing", 0644),
+ "tcp_no_metrics_save": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_no_metrics_save", 0444),
+ "tcp_probe_interval": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_probe_interval", 0444),
+ "tcp_probe_threshold": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_probe_threshold", 0444),
+ "tcp_retries1": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_retries1", 0644),
+ "tcp_retries2": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_retries2", 0644),
+ "tcp_rfc1337": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_rfc1337", 0444),
+ "tcp_rmem": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_rmem", 0444),
+ "tcp_sack": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_sack", 0644),
+ "tcp_slow_start_after_idle": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_slow_start_after_idle", 0644),
+ "tcp_synack_retries": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_synack_retries", 0644),
+ "tcp_syn_retries": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_syn_retries", 0644),
+ "tcp_timestamps": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_timestamps", 0644),
+ "tcp_wmem": newRPCInetInode(ctx, msrc, "/proc/sys/net/ipv4/tcp_wmem", 0444),
+ }
+
+ d := ramfs.NewDir(ctx, contents, fs.RootOwner, fs.FilePermsFromMode(0555))
+ return newProcInode(d, msrc, fs.SpecialDirectory, nil)
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-01 19:41:45 +0000