Merge pull request #51 from funbox/develop

Version 0.20.3

Author: andyone

cli/cli.go

@@ -32,7 +32,7 @@ import (
 // App props
 const (
 	APP  = "init-exporter"
-	VER  = "0.20.2"
+	VER  = "0.20.3"
 	DESC = "Utility for exporting services described by Procfile to init system"
 )
 

common/init-exporter.spec

@@ -42,7 +42,7 @@
 
 Summary:         Utility for exporting services described by Procfile to init system
 Name:            init-exporter
-Version:         0.20.2
+Version:         0.20.3
 Release:         0%{?dist}
 Group:           Development/Tools
 License:         MIT
@@ -111,6 +111,9 @@ rm -rf %{buildroot}
 ################################################################################
 
 %changelog
+* Mon Oct 29 2018 Anton Novojilov <andyone@fun-box.ru> - 0.20.3-0
+- Fixed bug with parsing v1 procfile (found by go-fuzz)
+
 * Wed Jul 25 2018 Anton Novojilov <andyone@fun-box.ru> - 0.20.2-0
 - Fixed formatting error in help content
 

procfile/procfile_test.go

@@ -67,6 +67,13 @@ func (s *ProcfileSuite) TestProcV1Parsing(c *C) {
 	c.Assert(app.Validate(), HasLen, 0)
 }
 
+func (s *ProcfileSuite) TestProcV1Fuzz(c *C) {
+	// Bug #1 found by fuzz testing
+	_, err := parseV1Line("0:cd")
+
+	c.Assert(err, NotNil)
+}
+
 func (s *ProcfileSuite) TestProcV2Parsing(c *C) {
 	app, err := Read("../testdata/procfile_v2", s.Config)
 

procfile/procfile_v1.go

@@ -89,16 +89,20 @@ func parseV1Line(line string) (*Service, error) {
 		return nil, fmt.Errorf("Procfile v1 should have format: 'some_label: command'")
 	}
 
-	return parseV1Command(matches[1], matches[2]), nil
+	return parseV1Command(matches[1], matches[2])
 }
 
 // parseV1Command parse command and extract command and working dir
-func parseV1Command(name, command string) *Service {
+func parseV1Command(name, command string) (*Service, error) {
 	var service = &Service{Name: name, Options: &ServiceOptions{}}
 
 	cmdSlice := splitV1Command(command)
 
 	if strings.HasPrefix(cmdSlice[0], "cd") {
+		if len(cmdSlice) == 1 {
+			return nil, fmt.Errorf("Procfile v1 command misformatted: %s", command)
+		}
+
 		service.Options.WorkingDir = strings.Replace(cmdSlice[0], "cd ", "", -1)
 		cmdSlice = cmdSlice[1:]
 	}
@@ -129,7 +133,7 @@ func parseV1Command(name, command string) *Service {
 	service.Options.Env = env
 	service.Options.LogFile = log
 
-	return service
+	return service, nil
 }
 
 // splitV1Cmd split command and format command