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-rw-r--r--vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go88
-rw-r--r--vendor/modules.txt2
2 files changed, 66 insertions, 24 deletions
diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go
index 599bdb6e2..9c979e5e2 100644
--- a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go
+++ b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go
@@ -31,6 +31,7 @@ const (
// Disabled constant to indicate SELinux is disabled
Disabled = -1
+ contextFile = "/usr/share/containers/selinux/contexts"
selinuxDir = "/etc/selinux/"
selinuxConfig = selinuxDir + "config"
selinuxfsMount = "/sys/fs/selinux"
@@ -684,23 +685,26 @@ func ROFileLabel() string {
return roFileLabel
}
-/*
-ContainerLabels returns an allocated processLabel and fileLabel to be used for
-container labeling by the calling process.
-*/
-func ContainerLabels() (processLabel string, fileLabel string) {
+func openContextFile() (*os.File, error) {
+ if f, err := os.Open(contextFile); err == nil {
+ return f, nil
+ }
+ lxcPath := filepath.Join(getSELinuxPolicyRoot(), "/contexts/lxc_contexts")
+ return os.Open(lxcPath)
+}
+
+var labels = loadLabels()
+
+func loadLabels() map[string]string {
var (
val, key string
bufin *bufio.Reader
)
- if !GetEnabled() {
- return "", ""
- }
- lxcPath := fmt.Sprintf("%s/contexts/lxc_contexts", getSELinuxPolicyRoot())
- in, err := os.Open(lxcPath)
+ labels := make(map[string]string)
+ in, err := openContextFile()
if err != nil {
- return "", ""
+ return labels
}
defer in.Close()
@@ -712,7 +716,7 @@ func ContainerLabels() (processLabel string, fileLabel string) {
if err == io.EOF {
done = true
} else {
- goto exit
+ break
}
}
line = strings.TrimSpace(line)
@@ -726,26 +730,64 @@ func ContainerLabels() (processLabel string, fileLabel string) {
}
if groups := assignRegex.FindStringSubmatch(line); groups != nil {
key, val = strings.TrimSpace(groups[1]), strings.TrimSpace(groups[2])
- if key == "process" {
- processLabel = strings.Trim(val, "\"")
- }
- if key == "file" {
- fileLabel = strings.Trim(val, "\"")
- }
- if key == "ro_file" {
- roFileLabel = strings.Trim(val, "\"")
- }
+ labels[key] = strings.Trim(val, "\"")
}
}
- if processLabel == "" || fileLabel == "" {
+ return labels
+}
+
+/*
+KVMContainerLabels returns the default processLabel and mountLabel to be used
+for kvm containers by the calling process.
+*/
+func KVMContainerLabels() (string, string) {
+ processLabel := labels["kvm_process"]
+ if processLabel == "" {
+ processLabel = labels["process"]
+ }
+
+ return addMcs(processLabel, labels["file"])
+}
+
+/*
+InitContainerLabels returns the default processLabel and file labels to be
+used for containers running an init system like systemd by the calling process.
+*/
+func InitContainerLabels() (string, string) {
+ processLabel := labels["init_process"]
+ if processLabel == "" {
+ processLabel = labels["process"]
+ }
+
+ return addMcs(processLabel, labels["file"])
+}
+
+/*
+ContainerLabels returns an allocated processLabel and fileLabel to be used for
+container labeling by the calling process.
+*/
+func ContainerLabels() (processLabel string, fileLabel string) {
+ if !GetEnabled() {
return "", ""
}
+ processLabel = labels["process"]
+ fileLabel = labels["file"]
+ roFileLabel = labels["ro_file"]
+
+ if processLabel == "" || fileLabel == "" {
+ return "", fileLabel
+ }
+
if roFileLabel == "" {
roFileLabel = fileLabel
}
-exit:
+
+ return addMcs(processLabel, fileLabel)
+}
+
+func addMcs(processLabel, fileLabel string) (string, string) {
scon, _ := NewContext(processLabel)
if scon["level"] != "" {
mcs := uniqMcs(1024)
diff --git a/vendor/modules.txt b/vendor/modules.txt
index f474a12cf..1ab14101d 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -411,7 +411,7 @@ github.com/opencontainers/runtime-tools/generate
github.com/opencontainers/runtime-tools/generate/seccomp
github.com/opencontainers/runtime-tools/specerror
github.com/opencontainers/runtime-tools/validate
-# github.com/opencontainers/selinux v1.4.0
+# github.com/opencontainers/selinux v1.5.0
github.com/opencontainers/selinux/go-selinux
github.com/opencontainers/selinux/go-selinux/label
github.com/opencontainers/selinux/pkg/pwalk