5da5e467a6
The replaces the "does not return" comments with an explicit os.Exit, which is unambigous.
45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"github.com/rfjakob/gocryptfs/internal/configfile"
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"github.com/rfjakob/gocryptfs/internal/contentenc"
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"github.com/rfjakob/gocryptfs/internal/exitcodes"
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"github.com/rfjakob/gocryptfs/internal/tlog"
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)
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// info pretty-prints the contents of the config file at "filename" for human
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// consumption, stripping out sensitive data.
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// This is called when you pass the "-info" option.
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func info(filename string) {
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// Read from disk
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js, err := ioutil.ReadFile(filename)
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if err != nil {
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tlog.Fatal.Printf("Reading config file failed: %v", err)
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os.Exit(exitcodes.LoadConf)
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}
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// Unmarshal
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var cf configfile.ConfFile
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err = json.Unmarshal(js, &cf)
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if err != nil {
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tlog.Fatal.Printf("Failed to unmarshal config file")
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os.Exit(exitcodes.LoadConf)
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}
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if cf.Version != contentenc.CurrentVersion {
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tlog.Fatal.Printf("Unsupported on-disk format %d", cf.Version)
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os.Exit(exitcodes.LoadConf)
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}
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// Pretty-print
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fmt.Printf("Creator: %s\n", cf.Creator)
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fmt.Printf("FeatureFlags: %s\n", strings.Join(cf.FeatureFlags, " "))
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fmt.Printf("EncryptedKey: %dB\n", len(cf.EncryptedKey))
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s := cf.ScryptObject
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fmt.Printf("ScryptObject: Salt=%dB N=%d R=%d P=%d KeyLen=%d\n",
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len(s.Salt), s.N, s.R, s.P, s.KeyLen)
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}
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