STRLCPY/dnstt

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dnstt-server/main.go

		skipped 101 lines
102	102		// generateKeypair generates a private key and the corresponding public key. If
103	103		// privkeyFilename and pubkeyFilename are respectively empty, it prints the
104	104		// corresponding key to standard output; otherwise it saves the key to the given
105		-	// file name. In case of any error, it attempts to delete any files it has
106		-	// created before returning.
	105	+	// file name. The private key is saved with mode 0400 and the public key is
	106	+	// saved with 0666 (before umask). In case of any error, it attempts to delete
	107	+	// any files it has created before returning.
107	108		func generateKeypair(privkeyFilename, pubkeyFilename string) (err error) {
108	109		// Filenames to delete in case of error (avoid leaving partially written
109	110		// files).
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127	128
128	129		if privkeyFilename != "" {
129	130		// Save the privkey to a file.
130		-	f, err := os.Create(privkeyFilename)
	131	+	f, err := os.OpenFile(privkeyFilename, os.O_RDWR\|os.O_CREATE, 0400)
131	132		if err != nil {
132	133		return err
133	134		}
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