Re-work the way checksum matching works against Release file

Break up URL into base part and relative path. Match checksum against relative path
and never against full URL.

This might be fixing security issue if aptly was incorrectly matching against
wrong part of Release file.
This commit is contained in:
Andrey Smirnov committed 2017-05-23 03:00:15 +03:00
1 parent f0360cf2d3
commit cafb89f30f
4 files changed
+75 -60

No files matched your search

+17 -10
View File
@@ -3,13 +3,16 @@ package http
import (
"errors"
"io"
"net/url"
"github.com/smira/aptly/utils"
. "gopkg.in/check.v1"
)
type CompressionSuite struct{}
type CompressionSuite struct {
baseURL *url.URL
}
var _ = Suite(&CompressionSuite{})
@@ -20,6 +23,10 @@ const (
rawData = "test"
)
func (s *CompressionSuite) SetUpTest(c *C) {
s.baseURL, _ = url.Parse("http://example.com/")
}
func (s *CompressionSuite) TestDownloadTryCompression(c *C) {
var buf []byte
@@ -34,7 +41,7 @@ func (s *CompressionSuite) TestDownloadTryCompression(c *C) {
buf = make([]byte, 4)
d := NewFakeDownloader()
d.ExpectResponse("http://example.com/file.bz2", bzipData)
r, file, err := DownloadTryCompression(d, "http://example.com/file", expectedChecksums, false, 1)
r, file, err := DownloadTryCompression(d, s.baseURL, "file", expectedChecksums, false, 1)
c.Assert(err, IsNil)
defer file.Close()
io.ReadFull(r, buf)
@@ -46,7 +53,7 @@ func (s *CompressionSuite) TestDownloadTryCompression(c *C) {
d = NewFakeDownloader()
d.ExpectError("http://example.com/file.bz2", &Error{Code: 404})
d.ExpectResponse("http://example.com/file.gz", gzipData)
r, file, err = DownloadTryCompression(d, "http://example.com/file", expectedChecksums, false, 1)
r, file, err = DownloadTryCompression(d, s.baseURL, "file", expectedChecksums, false, 1)
c.Assert(err, IsNil)
defer file.Close()
io.ReadFull(r, buf)
@@ -59,7 +66,7 @@ func (s *CompressionSuite) TestDownloadTryCompression(c *C) {
d.ExpectError("http://example.com/file.bz2", &Error{Code: 404})
d.ExpectError("http://example.com/file.gz", &Error{Code: 404})
d.ExpectResponse("http://example.com/file.xz", xzData)
r, file, err = DownloadTryCompression(d, "http://example.com/file", expectedChecksums, false, 1)
r, file, err = DownloadTryCompression(d, s.baseURL, "file", expectedChecksums, false, 1)
c.Assert(err, IsNil)
defer file.Close()
io.ReadFull(r, buf)
@@ -73,7 +80,7 @@ func (s *CompressionSuite) TestDownloadTryCompression(c *C) {
d.ExpectError("http://example.com/file.gz", &Error{Code: 404})
d.ExpectError("http://example.com/file.xz", &Error{Code: 404})
d.ExpectResponse("http://example.com/file", rawData)
r, file, err = DownloadTryCompression(d, "http://example.com/file", expectedChecksums, false, 1)
r, file, err = DownloadTryCompression(d, s.baseURL, "file", expectedChecksums, false, 1)
c.Assert(err, IsNil)
defer file.Close()
io.ReadFull(r, buf)
@@ -84,7 +91,7 @@ func (s *CompressionSuite) TestDownloadTryCompression(c *C) {
d = NewFakeDownloader()
d.ExpectError("http://example.com/file.bz2", &Error{Code: 404})
d.ExpectResponse("http://example.com/file.gz", "x")
_, _, err = DownloadTryCompression(d, "http://example.com/file", nil, true, 1)
_, _, err = DownloadTryCompression(d, s.baseURL, "file", nil, true, 1)
c.Assert(err, ErrorMatches, "unexpected EOF")
c.Assert(d.Empty(), Equals, true)
}
@@ -102,7 +109,7 @@ func (s *CompressionSuite) TestDownloadTryCompressionLongestSuffix(c *C) {
buf = make([]byte, 4)
d := NewFakeDownloader()
d.ExpectResponse("http://example.com/subdir/file.bz2", bzipData)
r, file, err := DownloadTryCompression(d, "http://example.com/subdir/file", expectedChecksums, false, 1)
r, file, err := DownloadTryCompression(d, s.baseURL, "subdir/file", expectedChecksums, false, 1)
c.Assert(err, IsNil)
defer file.Close()
io.ReadFull(r, buf)
@@ -112,7 +119,7 @@ func (s *CompressionSuite) TestDownloadTryCompressionLongestSuffix(c *C) {
func (s *CompressionSuite) TestDownloadTryCompressionErrors(c *C) {
d := NewFakeDownloader()
_, _, err := DownloadTryCompression(d, "http://example.com/file", nil, true, 1)
_, _, err := DownloadTryCompression(d, s.baseURL, "file", nil, true, 1)
c.Assert(err, ErrorMatches, "unexpected request.*")
d = NewFakeDownloader()
@@ -120,7 +127,7 @@ func (s *CompressionSuite) TestDownloadTryCompressionErrors(c *C) {
d.ExpectError("http://example.com/file.gz", &Error{Code: 404})
d.ExpectError("http://example.com/file.xz", &Error{Code: 404})
d.ExpectError("http://example.com/file", errors.New("403"))
_, _, err = DownloadTryCompression(d, "http://example.com/file", nil, true, 1)
_, _, err = DownloadTryCompression(d, s.baseURL, "file", nil, true, 1)
c.Assert(err, ErrorMatches, "403")
d = NewFakeDownloader()
@@ -134,6 +141,6 @@ func (s *CompressionSuite) TestDownloadTryCompressionErrors(c *C) {
"file.xz": {Size: 7},
"file": {Size: 7},
}
_, _, err = DownloadTryCompression(d, "http://example.com/file", expectedChecksums, false, 1)
_, _, err = DownloadTryCompression(d, s.baseURL, "file", expectedChecksums, false, 1)
c.Assert(err, ErrorMatches, "checksums don't match.*")
}