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kubeadm: the permissions of generated CSR files are changed from 0644 to 0600

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This commit is contained in:
SataQiu 2019-08-09 17:36:26 +08:00
parent eadf68ebd9
commit 2e35c6b5bb
1 changed files with 4 additions and 4 deletions
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8
cmd/kubeadm/app/util/pkiutil/pki_helpers.go
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@ -153,20 +153,20 @@ func WriteKey(pkiPath, name string, key crypto.Signer) error {
} }
// WriteCSR writes the pem-encoded CSR data to csrPath. // WriteCSR writes the pem-encoded CSR data to csrPath.
// The CSR file will be created with file mode 0644. // The CSR file will be created with file mode 0600.
// If the CSR file already exists, it will be overwritten. // If the CSR file already exists, it will be overwritten.
// The parent directory of the csrPath will be created as needed with file mode 0755. // The parent directory of the csrPath will be created as needed with file mode 0700.
func WriteCSR(csrDir, name string, csr *x509.CertificateRequest) error { func WriteCSR(csrDir, name string, csr *x509.CertificateRequest) error {
if csr == nil { if csr == nil {
return errors.New("certificate request cannot be nil when writing to file") return errors.New("certificate request cannot be nil when writing to file")
} }
csrPath := pathForCSR(csrDir, name) csrPath := pathForCSR(csrDir, name)
if err := os.MkdirAll(filepath.Dir(csrPath), os.FileMode(0755)); err != nil { if err := os.MkdirAll(filepath.Dir(csrPath), os.FileMode(0700)); err != nil {
return errors.Wrapf(err, "failed to make directory %s", filepath.Dir(csrPath)) return errors.Wrapf(err, "failed to make directory %s", filepath.Dir(csrPath))
} }
if err := ioutil.WriteFile(csrPath, EncodeCSRPEM(csr), os.FileMode(0644)); err != nil { if err := ioutil.WriteFile(csrPath, EncodeCSRPEM(csr), os.FileMode(0600)); err != nil {
return errors.Wrapf(err, "unable to write CSR to file %s", csrPath) return errors.Wrapf(err, "unable to write CSR to file %s", csrPath)
} }