summaryrefslogtreecommitdiffhomepage
path: root/pkg/sentry/fsimpl/proc/tasks_sys.go
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/sentry/fsimpl/proc/tasks_sys.go')
-rw-r--r--pkg/sentry/fsimpl/proc/tasks_sys.go118
1 files changed, 59 insertions, 59 deletions
diff --git a/pkg/sentry/fsimpl/proc/tasks_sys.go b/pkg/sentry/fsimpl/proc/tasks_sys.go
index 3312b0418..95420368d 100644
--- a/pkg/sentry/fsimpl/proc/tasks_sys.go
+++ b/pkg/sentry/fsimpl/proc/tasks_sys.go
@@ -40,93 +40,93 @@ const (
)
// newSysDir returns the dentry corresponding to /proc/sys directory.
-func (fs *filesystem) newSysDir(root *auth.Credentials, k *kernel.Kernel) *kernfs.Dentry {
- return newStaticDir(root, linux.UNNAMED_MAJOR, fs.devMinor, fs.NextIno(), 0555, map[string]*kernfs.Dentry{
- "kernel": newStaticDir(root, linux.UNNAMED_MAJOR, fs.devMinor, fs.NextIno(), 0555, map[string]*kernfs.Dentry{
- "hostname": fs.newDentry(root, fs.NextIno(), 0444, &hostnameData{}),
- "shmall": fs.newDentry(root, fs.NextIno(), 0444, shmData(linux.SHMALL)),
- "shmmax": fs.newDentry(root, fs.NextIno(), 0444, shmData(linux.SHMMAX)),
- "shmmni": fs.newDentry(root, fs.NextIno(), 0444, shmData(linux.SHMMNI)),
+func (fs *filesystem) newSysDir(root *auth.Credentials, k *kernel.Kernel) kernfs.Inode {
+ return fs.newStaticDir(root, map[string]kernfs.Inode{
+ "kernel": fs.newStaticDir(root, map[string]kernfs.Inode{
+ "hostname": fs.newInode(root, 0444, &hostnameData{}),
+ "shmall": fs.newInode(root, 0444, shmData(linux.SHMALL)),
+ "shmmax": fs.newInode(root, 0444, shmData(linux.SHMMAX)),
+ "shmmni": fs.newInode(root, 0444, shmData(linux.SHMMNI)),
}),
- "vm": newStaticDir(root, linux.UNNAMED_MAJOR, fs.devMinor, fs.NextIno(), 0555, map[string]*kernfs.Dentry{
- "mmap_min_addr": fs.newDentry(root, fs.NextIno(), 0444, &mmapMinAddrData{k: k}),
- "overcommit_memory": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0\n")),
+ "vm": fs.newStaticDir(root, map[string]kernfs.Inode{
+ "mmap_min_addr": fs.newInode(root, 0444, &mmapMinAddrData{k: k}),
+ "overcommit_memory": fs.newInode(root, 0444, newStaticFile("0\n")),
}),
"net": fs.newSysNetDir(root, k),
})
}
// newSysNetDir returns the dentry corresponding to /proc/sys/net directory.
-func (fs *filesystem) newSysNetDir(root *auth.Credentials, k *kernel.Kernel) *kernfs.Dentry {
- var contents map[string]*kernfs.Dentry
+func (fs *filesystem) newSysNetDir(root *auth.Credentials, k *kernel.Kernel) kernfs.Inode {
+ var contents map[string]kernfs.Inode
// TODO(gvisor.dev/issue/1833): Support for using the network stack in the
// network namespace of the calling process.
if stack := k.RootNetworkNamespace().Stack(); stack != nil {
- contents = map[string]*kernfs.Dentry{
- "ipv4": newStaticDir(root, linux.UNNAMED_MAJOR, fs.devMinor, fs.NextIno(), 0555, map[string]*kernfs.Dentry{
- "tcp_recovery": fs.newDentry(root, fs.NextIno(), 0644, &tcpRecoveryData{stack: stack}),
- "tcp_rmem": fs.newDentry(root, fs.NextIno(), 0644, &tcpMemData{stack: stack, dir: tcpRMem}),
- "tcp_sack": fs.newDentry(root, fs.NextIno(), 0644, &tcpSackData{stack: stack}),
- "tcp_wmem": fs.newDentry(root, fs.NextIno(), 0644, &tcpMemData{stack: stack, dir: tcpWMem}),
- "ip_forward": fs.newDentry(root, fs.NextIno(), 0444, &ipForwarding{stack: stack}),
+ contents = map[string]kernfs.Inode{
+ "ipv4": fs.newStaticDir(root, map[string]kernfs.Inode{
+ "tcp_recovery": fs.newInode(root, 0644, &tcpRecoveryData{stack: stack}),
+ "tcp_rmem": fs.newInode(root, 0644, &tcpMemData{stack: stack, dir: tcpRMem}),
+ "tcp_sack": fs.newInode(root, 0644, &tcpSackData{stack: stack}),
+ "tcp_wmem": fs.newInode(root, 0644, &tcpMemData{stack: stack, dir: tcpWMem}),
+ "ip_forward": fs.newInode(root, 0444, &ipForwarding{stack: stack}),
// The following files are simple stubs until they are implemented in
// netstack, most of these files are configuration related. We use the
// value closest to the actual netstack behavior or any empty file, all
// of these files will have mode 0444 (read-only for all users).
- "ip_local_port_range": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("16000 65535")),
- "ip_local_reserved_ports": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("")),
- "ipfrag_time": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("30")),
- "ip_nonlocal_bind": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "ip_no_pmtu_disc": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("1")),
+ "ip_local_port_range": fs.newInode(root, 0444, newStaticFile("16000 65535")),
+ "ip_local_reserved_ports": fs.newInode(root, 0444, newStaticFile("")),
+ "ipfrag_time": fs.newInode(root, 0444, newStaticFile("30")),
+ "ip_nonlocal_bind": fs.newInode(root, 0444, newStaticFile("0")),
+ "ip_no_pmtu_disc": fs.newInode(root, 0444, newStaticFile("1")),
// tcp_allowed_congestion_control tell the user what they are able to
// do as an unprivledged process so we leave it empty.
- "tcp_allowed_congestion_control": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("")),
- "tcp_available_congestion_control": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("reno")),
- "tcp_congestion_control": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("reno")),
+ "tcp_allowed_congestion_control": fs.newInode(root, 0444, newStaticFile("")),
+ "tcp_available_congestion_control": fs.newInode(root, 0444, newStaticFile("reno")),
+ "tcp_congestion_control": fs.newInode(root, 0444, newStaticFile("reno")),
// Many of the following stub files are features netstack doesn't
// support. The unsupported features return "0" to indicate they are
// disabled.
- "tcp_base_mss": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("1280")),
- "tcp_dsack": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "tcp_early_retrans": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "tcp_fack": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "tcp_fastopen": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "tcp_fastopen_key": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("")),
- "tcp_invalid_ratelimit": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "tcp_keepalive_intvl": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "tcp_keepalive_probes": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "tcp_keepalive_time": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("7200")),
- "tcp_mtu_probing": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "tcp_no_metrics_save": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("1")),
- "tcp_probe_interval": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "tcp_probe_threshold": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "tcp_retries1": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("3")),
- "tcp_retries2": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("15")),
- "tcp_rfc1337": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("1")),
- "tcp_slow_start_after_idle": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("1")),
- "tcp_synack_retries": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("5")),
- "tcp_syn_retries": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("3")),
- "tcp_timestamps": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("1")),
+ "tcp_base_mss": fs.newInode(root, 0444, newStaticFile("1280")),
+ "tcp_dsack": fs.newInode(root, 0444, newStaticFile("0")),
+ "tcp_early_retrans": fs.newInode(root, 0444, newStaticFile("0")),
+ "tcp_fack": fs.newInode(root, 0444, newStaticFile("0")),
+ "tcp_fastopen": fs.newInode(root, 0444, newStaticFile("0")),
+ "tcp_fastopen_key": fs.newInode(root, 0444, newStaticFile("")),
+ "tcp_invalid_ratelimit": fs.newInode(root, 0444, newStaticFile("0")),
+ "tcp_keepalive_intvl": fs.newInode(root, 0444, newStaticFile("0")),
+ "tcp_keepalive_probes": fs.newInode(root, 0444, newStaticFile("0")),
+ "tcp_keepalive_time": fs.newInode(root, 0444, newStaticFile("7200")),
+ "tcp_mtu_probing": fs.newInode(root, 0444, newStaticFile("0")),
+ "tcp_no_metrics_save": fs.newInode(root, 0444, newStaticFile("1")),
+ "tcp_probe_interval": fs.newInode(root, 0444, newStaticFile("0")),
+ "tcp_probe_threshold": fs.newInode(root, 0444, newStaticFile("0")),
+ "tcp_retries1": fs.newInode(root, 0444, newStaticFile("3")),
+ "tcp_retries2": fs.newInode(root, 0444, newStaticFile("15")),
+ "tcp_rfc1337": fs.newInode(root, 0444, newStaticFile("1")),
+ "tcp_slow_start_after_idle": fs.newInode(root, 0444, newStaticFile("1")),
+ "tcp_synack_retries": fs.newInode(root, 0444, newStaticFile("5")),
+ "tcp_syn_retries": fs.newInode(root, 0444, newStaticFile("3")),
+ "tcp_timestamps": fs.newInode(root, 0444, newStaticFile("1")),
}),
- "core": newStaticDir(root, linux.UNNAMED_MAJOR, fs.devMinor, fs.NextIno(), 0555, map[string]*kernfs.Dentry{
- "default_qdisc": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("pfifo_fast")),
- "message_burst": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("10")),
- "message_cost": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("5")),
- "optmem_max": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("0")),
- "rmem_default": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("212992")),
- "rmem_max": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("212992")),
- "somaxconn": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("128")),
- "wmem_default": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("212992")),
- "wmem_max": fs.newDentry(root, fs.NextIno(), 0444, newStaticFile("212992")),
+ "core": fs.newStaticDir(root, map[string]kernfs.Inode{
+ "default_qdisc": fs.newInode(root, 0444, newStaticFile("pfifo_fast")),
+ "message_burst": fs.newInode(root, 0444, newStaticFile("10")),
+ "message_cost": fs.newInode(root, 0444, newStaticFile("5")),
+ "optmem_max": fs.newInode(root, 0444, newStaticFile("0")),
+ "rmem_default": fs.newInode(root, 0444, newStaticFile("212992")),
+ "rmem_max": fs.newInode(root, 0444, newStaticFile("212992")),
+ "somaxconn": fs.newInode(root, 0444, newStaticFile("128")),
+ "wmem_default": fs.newInode(root, 0444, newStaticFile("212992")),
+ "wmem_max": fs.newInode(root, 0444, newStaticFile("212992")),
}),
}
}
- return newStaticDir(root, linux.UNNAMED_MAJOR, fs.devMinor, fs.NextIno(), 0555, contents)
+ return fs.newStaticDir(root, contents)
}
// mmapMinAddrData implements vfs.DynamicBytesSource for
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-03 03:24:52 +0000