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-rw-r--r--plumbing/format/idxfile/idxfile.go79
-rw-r--r--plumbing/transport/ssh/common.go27
-rw-r--r--plumbing/transport/ssh/proxy_test.go36
3 files changed, 90 insertions, 52 deletions
diff --git a/plumbing/format/idxfile/idxfile.go b/plumbing/format/idxfile/idxfile.go
index 26cca59..14b5860 100644
--- a/plumbing/format/idxfile/idxfile.go
+++ b/plumbing/format/idxfile/idxfile.go
@@ -5,8 +5,9 @@ import (
"io"
"sort"
+ encbin "encoding/binary"
+
"gopkg.in/src-d/go-git.v4/plumbing"
- "gopkg.in/src-d/go-git.v4/utils/binary"
)
const (
@@ -122,41 +123,32 @@ func (idx *MemoryIndex) FindOffset(h plumbing.Hash) (int64, error) {
return 0, plumbing.ErrObjectNotFound
}
- offset, err := idx.getOffset(k, i)
+ offset := idx.getOffset(k, i)
if !idx.offsetHashIsFull {
// Save the offset for reverse lookup
if idx.offsetHash == nil {
idx.offsetHash = make(map[int64]plumbing.Hash)
}
- idx.offsetHash[offset] = h
+ idx.offsetHash[int64(offset)] = h
}
- return offset, err
+ return int64(offset), nil
}
const isO64Mask = uint64(1) << 31
-func (idx *MemoryIndex) getOffset(firstLevel, secondLevel int) (int64, error) {
+func (idx *MemoryIndex) getOffset(firstLevel, secondLevel int) uint64 {
offset := secondLevel << 2
- buf := bytes.NewBuffer(idx.Offset32[firstLevel][offset : offset+4])
- ofs, err := binary.ReadUint32(buf)
- if err != nil {
- return -1, err
- }
+ ofs := encbin.BigEndian.Uint32(idx.Offset32[firstLevel][offset : offset+4])
if (uint64(ofs) & isO64Mask) != 0 {
offset := 8 * (uint64(ofs) & ^isO64Mask)
- buf := bytes.NewBuffer(idx.Offset64[offset : offset+8])
- n, err := binary.ReadUint64(buf)
- if err != nil {
- return -1, err
- }
-
- return int64(n), nil
+ n := encbin.BigEndian.Uint64(idx.Offset64[offset : offset+8])
+ return n
}
- return int64(ofs), nil
+ return uint64(ofs)
}
// FindCRC32 implements the Index interface.
@@ -167,13 +159,12 @@ func (idx *MemoryIndex) FindCRC32(h plumbing.Hash) (uint32, error) {
return 0, plumbing.ErrObjectNotFound
}
- return idx.getCRC32(k, i)
+ return idx.getCRC32(k, i), nil
}
-func (idx *MemoryIndex) getCRC32(firstLevel, secondLevel int) (uint32, error) {
+func (idx *MemoryIndex) getCRC32(firstLevel, secondLevel int) uint32 {
offset := secondLevel << 2
- buf := bytes.NewBuffer(idx.CRC32[firstLevel][offset : offset+4])
- return binary.ReadUint32(buf)
+ return encbin.BigEndian.Uint32(idx.CRC32[firstLevel][offset : offset+4])
}
// FindHash implements the Index interface.
@@ -213,22 +204,19 @@ func (idx *MemoryIndex) genOffsetHash() error {
idx.offsetHash = make(map[int64]plumbing.Hash, count)
idx.offsetHashIsFull = true
- iter, err := idx.Entries()
- if err != nil {
- return err
- }
-
- for {
- entry, err := iter.Next()
- if err != nil {
- if err == io.EOF {
- return nil
- }
- return err
+ var hash plumbing.Hash
+ i := uint32(0)
+ for firstLevel, fanoutValue := range idx.Fanout {
+ mappedFirstLevel := idx.FanoutMapping[firstLevel]
+ for secondLevel := uint32(0); i < fanoutValue; i++ {
+ copy(hash[:], idx.Names[mappedFirstLevel][secondLevel*objectIDLength:])
+ offset := int64(idx.getOffset(mappedFirstLevel, int(secondLevel)))
+ idx.offsetHash[offset] = hash
+ secondLevel++
}
-
- idx.offsetHash[int64(entry.Offset)] = entry.Hash
}
+
+ return nil
}
// Count implements the Index interface.
@@ -297,22 +285,11 @@ func (i *idxfileEntryIter) Next() (*Entry, error) {
continue
}
+ mappedFirstLevel := i.idx.FanoutMapping[i.firstLevel]
entry := new(Entry)
- ofs := i.secondLevel * objectIDLength
- copy(entry.Hash[:], i.idx.Names[i.idx.FanoutMapping[i.firstLevel]][ofs:])
-
- pos := i.idx.FanoutMapping[entry.Hash[0]]
-
- offset, err := i.idx.getOffset(pos, i.secondLevel)
- if err != nil {
- return nil, err
- }
- entry.Offset = uint64(offset)
-
- entry.CRC32, err = i.idx.getCRC32(pos, i.secondLevel)
- if err != nil {
- return nil, err
- }
+ copy(entry.Hash[:], i.idx.Names[mappedFirstLevel][i.secondLevel*objectIDLength:])
+ entry.Offset = i.idx.getOffset(mappedFirstLevel, i.secondLevel)
+ entry.CRC32 = i.idx.getCRC32(mappedFirstLevel, i.secondLevel)
i.secondLevel++
i.total++
diff --git a/plumbing/transport/ssh/common.go b/plumbing/transport/ssh/common.go
index e4a3d18..d320d43 100644
--- a/plumbing/transport/ssh/common.go
+++ b/plumbing/transport/ssh/common.go
@@ -2,6 +2,7 @@
package ssh
import (
+ "context"
"fmt"
"reflect"
"strconv"
@@ -11,6 +12,7 @@ import (
"github.com/kevinburke/ssh_config"
"golang.org/x/crypto/ssh"
+ "golang.org/x/net/proxy"
)
// DefaultClient is the default SSH client.
@@ -115,7 +117,7 @@ func (c *command) connect() error {
overrideConfig(c.config, config)
- c.client, err = ssh.Dial("tcp", c.getHostWithPort(), config)
+ c.client, err = dial("tcp", c.getHostWithPort(), config)
if err != nil {
return err
}
@@ -130,6 +132,29 @@ func (c *command) connect() error {
return nil
}
+func dial(network, addr string, config *ssh.ClientConfig) (*ssh.Client, error) {
+ var (
+ ctx = context.Background()
+ cancel context.CancelFunc
+ )
+ if config.Timeout > 0 {
+ ctx, cancel = context.WithTimeout(ctx, config.Timeout)
+ } else {
+ ctx, cancel = context.WithCancel(ctx)
+ }
+ defer cancel()
+
+ conn, err := proxy.Dial(ctx, network, addr)
+ if err != nil {
+ return nil, err
+ }
+ c, chans, reqs, err := ssh.NewClientConn(conn, addr, config)
+ if err != nil {
+ return nil, err
+ }
+ return ssh.NewClient(c, chans, reqs), nil
+}
+
func (c *command) getHostWithPort() string {
if addr, found := c.doGetHostWithPortFromSSHConfig(); found {
return addr
diff --git a/plumbing/transport/ssh/proxy_test.go b/plumbing/transport/ssh/proxy_test.go
new file mode 100644
index 0000000..3caf1ff
--- /dev/null
+++ b/plumbing/transport/ssh/proxy_test.go
@@ -0,0 +1,36 @@
+package ssh
+
+import (
+ "fmt"
+ "log"
+ "net"
+ "os"
+
+ "github.com/armon/go-socks5"
+ . "gopkg.in/check.v1"
+)
+
+type ProxySuite struct {
+ UploadPackSuite
+}
+
+var _ = Suite(&ProxySuite{})
+
+func (s *ProxySuite) SetUpSuite(c *C) {
+ s.UploadPackSuite.SetUpSuite(c)
+
+ l, err := net.Listen("tcp", "localhost:0")
+ c.Assert(err, IsNil)
+
+ server, err := socks5.New(&socks5.Config{})
+ c.Assert(err, IsNil)
+
+ port := l.Addr().(*net.TCPAddr).Port
+
+ err = os.Setenv("ALL_PROXY", fmt.Sprintf("socks5://localhost:%d", port))
+ c.Assert(err, IsNil)
+
+ go func() {
+ log.Fatal(server.Serve(l))
+ }()
+}