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-rw-r--r--plumbing/protocol/packp/srvresp.go12
-rw-r--r--plumbing/protocol/packp/srvresp_test.go27
2 files changed, 34 insertions, 5 deletions
diff --git a/plumbing/protocol/packp/srvresp.go b/plumbing/protocol/packp/srvresp.go
index 8cd0a72..a9ddb53 100644
--- a/plumbing/protocol/packp/srvresp.go
+++ b/plumbing/protocol/packp/srvresp.go
@@ -101,12 +101,14 @@ func (r *ServerResponse) decodeLine(line []byte) error {
return fmt.Errorf("unexpected flush")
}
- if bytes.Equal(line[0:3], ack) {
- return r.decodeACKLine(line)
- }
+ if len(line) >= 3 {
+ if bytes.Equal(line[0:3], ack) {
+ return r.decodeACKLine(line)
+ }
- if bytes.Equal(line[0:3], nak) {
- return nil
+ if bytes.Equal(line[0:3], nak) {
+ return nil
+ }
}
return fmt.Errorf("unexpected content %q", string(line))
diff --git a/plumbing/protocol/packp/srvresp_test.go b/plumbing/protocol/packp/srvresp_test.go
index aa0af52..b7270e7 100644
--- a/plumbing/protocol/packp/srvresp_test.go
+++ b/plumbing/protocol/packp/srvresp_test.go
@@ -3,6 +3,7 @@ package packp
import (
"bufio"
"bytes"
+ "fmt"
"github.com/go-git/go-git/v5/plumbing"
@@ -23,6 +24,32 @@ func (s *ServerResponseSuite) TestDecodeNAK(c *C) {
c.Assert(sr.ACKs, HasLen, 0)
}
+func (s *ServerResponseSuite) TestDecodeNewLine(c *C) {
+ raw := "\n"
+
+ sr := &ServerResponse{}
+ err := sr.Decode(bufio.NewReader(bytes.NewBufferString(raw)), false)
+ c.Assert(err, NotNil)
+ c.Assert(err.Error(), Equals, "invalid pkt-len found")
+}
+
+func (s *ServerResponseSuite) TestDecodeEmpty(c *C) {
+ raw := ""
+
+ sr := &ServerResponse{}
+ err := sr.Decode(bufio.NewReader(bytes.NewBufferString(raw)), false)
+ c.Assert(err, IsNil)
+}
+
+func (s *ServerResponseSuite) TestDecodePartial(c *C) {
+ raw := "000600\n"
+
+ sr := &ServerResponse{}
+ err := sr.Decode(bufio.NewReader(bytes.NewBufferString(raw)), false)
+ c.Assert(err, NotNil)
+ c.Assert(err.Error(), Equals, fmt.Sprintf("unexpected content %q", "00"))
+}
+
func (s *ServerResponseSuite) TestDecodeACK(c *C) {
raw := "0031ACK 6ecf0ef2c2dffb796033e5a02219af86ec6584e5\n"