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Merge pull request #2474 from giuseppe/fix-fips-mode-with-namespaces
secrets: fix fips-mode with user namespaces
This commit is contained in:
@ -8,6 +8,7 @@ import (
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"strings"
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"github.com/containers/libpod/pkg/rootless"
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"github.com/containers/storage/pkg/idtools"
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rspec "github.com/opencontainers/runtime-spec/specs-go"
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"github.com/opencontainers/selinux/go-selinux/label"
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"github.com/pkg/errors"
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@ -176,7 +177,7 @@ func SecretMountsWithUIDGID(mountLabel, containerWorkingDir, mountFile, mountPre
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// Add FIPS mode secret if /etc/system-fips exists on the host
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_, err := os.Stat("/etc/system-fips")
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if err == nil {
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if err := addFIPSModeSecret(&secretMounts, containerWorkingDir); err != nil {
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if err := addFIPSModeSecret(&secretMounts, containerWorkingDir, mountPrefix, mountLabel, uid, gid); err != nil {
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logrus.Errorf("error adding FIPS mode secret to container: %v", err)
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}
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} else if os.IsNotExist(err) {
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@ -264,13 +265,16 @@ func addSecretsFromMountsFile(filePath, mountLabel, containerWorkingDir, mountPr
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// root filesystem if /etc/system-fips exists on hosts.
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// This enables the container to be FIPS compliant and run openssl in
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// FIPS mode as the host is also in FIPS mode.
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func addFIPSModeSecret(mounts *[]rspec.Mount, containerWorkingDir string) error {
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func addFIPSModeSecret(mounts *[]rspec.Mount, containerWorkingDir, mountPrefix, mountLabel string, uid, gid int) error {
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secretsDir := "/run/secrets"
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ctrDirOnHost := filepath.Join(containerWorkingDir, secretsDir)
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if _, err := os.Stat(ctrDirOnHost); os.IsNotExist(err) {
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if err = os.MkdirAll(ctrDirOnHost, 0755); err != nil {
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if err = idtools.MkdirAllAs(ctrDirOnHost, 0755, uid, gid); err != nil {
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return errors.Wrapf(err, "making container directory on host failed")
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}
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if err = label.Relabel(ctrDirOnHost, mountLabel, false); err != nil {
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return errors.Wrap(err, "error applying correct labels")
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}
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}
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fipsFile := filepath.Join(ctrDirOnHost, "system-fips")
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// In the event of restart, it is possible for the FIPS mode file to already exist
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@ -284,7 +288,7 @@ func addFIPSModeSecret(mounts *[]rspec.Mount, containerWorkingDir string) error
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if !mountExists(*mounts, secretsDir) {
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m := rspec.Mount{
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Source: ctrDirOnHost,
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Source: filepath.Join(mountPrefix, secretsDir),
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Destination: secretsDir,
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Type: "bind",
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Options: []string{"bind", "rprivate"},
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