From 9adcdb14c4848213bd825e7b4985b6f0a390908c Mon Sep 17 00:00:00 2001
From: Ivan Markin <twim@riseup.net>
Date: Wed, 26 Oct 2016 21:59:37 +0000
Subject: [PATCH] Parse lines with quoted substrings right

---
 cmd_protocolinfo.go |  4 +++-
 utils/utils.go      | 18 ++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/cmd_protocolinfo.go b/cmd_protocolinfo.go
index d05da6d..44685b0 100644
--- a/cmd_protocolinfo.go
+++ b/cmd_protocolinfo.go
@@ -10,6 +10,8 @@ package bulb
 import (
 	"strconv"
 	"strings"
+
+	"github.com/yawning/bulb/utils"
 )
 
 // ProtocolInfo is the result of the ProtocolInfo command.
@@ -50,7 +52,7 @@ func (c *Conn) ProtocolInfo() (*ProtocolInfo, error) {
 	pi.RawResponse = resp
 	pi.AuthMethods = make(map[string]bool)
 	for i := 1; i < len(resp.Data); i++ {
-		splitLine := strings.Split(resp.Data[i], " ")
+		splitLine := utils.SplitQuoted(resp.Data[i], '"', ' ')
 		switch splitLine[0] {
 		case "AUTH":
 			// Parse an AuthLine detailing how to authenticate.
diff --git a/utils/utils.go b/utils/utils.go
index 0ec0fb7..d741a8b 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -15,6 +15,24 @@ import (
 	"strconv"
 )
 
+// SplitQuoted splits s by sep if it is found outside substring
+// quoted by quote.
+func SplitQuoted(s string, quote, sep rune) (splitted []string) {
+        quoteFlag := false
+NewSubstring:
+        for i, c := range s {
+                if c == quote {
+                        quoteFlag = !quoteFlag
+                }
+                if c == sep && !quoteFlag {
+                        splitted = append(splitted, s[:i])
+                        s = s[i+1:]
+                        goto NewSubstring
+                }
+        }
+        return append(splitted, s)
+}
+
 // ParseControlPortString parses a string representation of a control port
 // address into a network/address string pair suitable for use with "dial".
 //