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authorTomSweeneyRedHat <tsweeney@redhat.com>2019-11-13 10:30:08 -0500
committerTomSweeneyRedHat <tsweeney@redhat.com>2019-11-13 10:57:19 -0500
commit6003033adae775f1d725b05231a246a4462ae669 (patch)
treec570c523df92c3c0fb4b704c5c45b0de6603b7d6 /vendor/github.com/prometheus/procfs/crypto.go
parentde32b89eff0928abdef9d85a420b65d8865e737e (diff)
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Bump to Buildah v1.11.5
Bump to Buildah v1.11.5. Most notably changes to the podman build `--pull` functionality. `--pull=true` and `--pull=false` now work as Docker does, `--pull-never` added to supply the functionality of the old `--pull=false`. Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>
Diffstat (limited to 'vendor/github.com/prometheus/procfs/crypto.go')
-rw-r--r--vendor/github.com/prometheus/procfs/crypto.go131
1 files changed, 131 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/procfs/crypto.go b/vendor/github.com/prometheus/procfs/crypto.go
new file mode 100644
index 000000000..19d4041b2
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/crypto.go
@@ -0,0 +1,131 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "bytes"
+ "fmt"
+ "io/ioutil"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// Crypto holds info parsed from /proc/crypto.
+type Crypto struct {
+ Alignmask *uint64
+ Async bool
+ Blocksize *uint64
+ Chunksize *uint64
+ Ctxsize *uint64
+ Digestsize *uint64
+ Driver string
+ Geniv string
+ Internal string
+ Ivsize *uint64
+ Maxauthsize *uint64
+ MaxKeysize *uint64
+ MinKeysize *uint64
+ Module string
+ Name string
+ Priority *int64
+ Refcnt *int64
+ Seedsize *uint64
+ Selftest string
+ Type string
+ Walksize *uint64
+}
+
+// Crypto parses an crypto-file (/proc/crypto) and returns a slice of
+// structs containing the relevant info. More information available here:
+// https://kernel.readthedocs.io/en/sphinx-samples/crypto-API.html
+func (fs FS) Crypto() ([]Crypto, error) {
+ data, err := ioutil.ReadFile(fs.proc.Path("crypto"))
+ if err != nil {
+ return nil, fmt.Errorf("error parsing crypto %s: %s", fs.proc.Path("crypto"), err)
+ }
+ crypto, err := parseCrypto(data)
+ if err != nil {
+ return nil, fmt.Errorf("error parsing crypto %s: %s", fs.proc.Path("crypto"), err)
+ }
+ return crypto, nil
+}
+
+func parseCrypto(cryptoData []byte) ([]Crypto, error) {
+ crypto := []Crypto{}
+
+ cryptoBlocks := bytes.Split(cryptoData, []byte("\n\n"))
+
+ for _, block := range cryptoBlocks {
+ var newCryptoElem Crypto
+
+ lines := strings.Split(string(block), "\n")
+ for _, line := range lines {
+ if strings.TrimSpace(line) == "" || line[0] == ' ' {
+ continue
+ }
+ fields := strings.Split(line, ":")
+ key := strings.TrimSpace(fields[0])
+ value := strings.TrimSpace(fields[1])
+ vp := util.NewValueParser(value)
+
+ switch strings.TrimSpace(key) {
+ case "async":
+ b, err := strconv.ParseBool(value)
+ if err == nil {
+ newCryptoElem.Async = b
+ }
+ case "blocksize":
+ newCryptoElem.Blocksize = vp.PUInt64()
+ case "chunksize":
+ newCryptoElem.Chunksize = vp.PUInt64()
+ case "digestsize":
+ newCryptoElem.Digestsize = vp.PUInt64()
+ case "driver":
+ newCryptoElem.Driver = value
+ case "geniv":
+ newCryptoElem.Geniv = value
+ case "internal":
+ newCryptoElem.Internal = value
+ case "ivsize":
+ newCryptoElem.Ivsize = vp.PUInt64()
+ case "maxauthsize":
+ newCryptoElem.Maxauthsize = vp.PUInt64()
+ case "max keysize":
+ newCryptoElem.MaxKeysize = vp.PUInt64()
+ case "min keysize":
+ newCryptoElem.MinKeysize = vp.PUInt64()
+ case "module":
+ newCryptoElem.Module = value
+ case "name":
+ newCryptoElem.Name = value
+ case "priority":
+ newCryptoElem.Priority = vp.PInt64()
+ case "refcnt":
+ newCryptoElem.Refcnt = vp.PInt64()
+ case "seedsize":
+ newCryptoElem.Seedsize = vp.PUInt64()
+ case "selftest":
+ newCryptoElem.Selftest = value
+ case "type":
+ newCryptoElem.Type = value
+ case "walksize":
+ newCryptoElem.Walksize = vp.PUInt64()
+ }
+ }
+ crypto = append(crypto, newCryptoElem)
+ }
+ return crypto, nil
+}