diff options
author | Roland Shoemaker <bracewell@google.com> | 2023-02-06 10:03:44 -0800 |
---|---|---|
committer | Gopher Robot <gobot@golang.org> | 2023-02-14 17:25:54 +0000 |
commit | 5c3e11bd0b5c0a86e5beffcd4339b86a902b21c3 (patch) | |
tree | ce70b786acc1dc50826e74777194a1c99f264707 | |
parent | 00b256e9e3c0fa02a278ec9dfc3e191e02ceaf80 (diff) | |
download | go-git-5c3e11bd0b5c0a86e5beffcd4339b86a902b21c3.tar.gz |
[release-branch.go1.19] net/http: update bundled golang.org/x/net/http2
Disable cmd/internal/moddeps test, since this update includes PRIVATE
track fixes.
Fixes CVE-2022-41723
Fixes #58355
Updates #57855
Change-Id: Ie870562a6f6e44e4e8f57db6a0dde1a41a2b090c
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1728939
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Julie Qiu <julieqiu@google.com>
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Run-TryBot: Roland Shoemaker <bracewell@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/468118
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
-rw-r--r-- | src/cmd/internal/moddeps/moddeps_test.go | 2 | ||||
-rw-r--r-- | src/vendor/golang.org/x/net/http2/hpack/hpack.go | 79 |
2 files changed, 50 insertions, 31 deletions
diff --git a/src/cmd/internal/moddeps/moddeps_test.go b/src/cmd/internal/moddeps/moddeps_test.go index e96edf1f30..1fc9f708bd 100644 --- a/src/cmd/internal/moddeps/moddeps_test.go +++ b/src/cmd/internal/moddeps/moddeps_test.go @@ -33,7 +33,7 @@ import ( // See issues 36852, 41409, and 43687. // (Also see golang.org/issue/27348.) func TestAllDependencies(t *testing.T) { - t.Skip("TODO(#57009): 1.19.4 contains unreleased changes from vendored modules") + t.Skip("TODO(#58355): 1.19.4 contains unreleased changes from vendored modules") goBin := testenv.GoToolPath(t) diff --git a/src/vendor/golang.org/x/net/http2/hpack/hpack.go b/src/vendor/golang.org/x/net/http2/hpack/hpack.go index 85f18a2b0a..02e80e30a4 100644 --- a/src/vendor/golang.org/x/net/http2/hpack/hpack.go +++ b/src/vendor/golang.org/x/net/http2/hpack/hpack.go @@ -359,6 +359,7 @@ func (d *Decoder) parseFieldLiteral(n uint8, it indexType) error { var hf HeaderField wantStr := d.emitEnabled || it.indexed() + var undecodedName undecodedString if nameIdx > 0 { ihf, ok := d.at(nameIdx) if !ok { @@ -366,15 +367,27 @@ func (d *Decoder) parseFieldLiteral(n uint8, it indexType) error { } hf.Name = ihf.Name } else { - hf.Name, buf, err = d.readString(buf, wantStr) + undecodedName, buf, err = d.readString(buf) if err != nil { return err } } - hf.Value, buf, err = d.readString(buf, wantStr) + undecodedValue, buf, err := d.readString(buf) if err != nil { return err } + if wantStr { + if nameIdx <= 0 { + hf.Name, err = d.decodeString(undecodedName) + if err != nil { + return err + } + } + hf.Value, err = d.decodeString(undecodedValue) + if err != nil { + return err + } + } d.buf = buf if it.indexed() { d.dynTab.add(hf) @@ -459,46 +472,52 @@ func readVarInt(n byte, p []byte) (i uint64, remain []byte, err error) { return 0, origP, errNeedMore } -// readString decodes an hpack string from p. +// readString reads an hpack string from p. // -// wantStr is whether s will be used. If false, decompression and -// []byte->string garbage are skipped if s will be ignored -// anyway. This does mean that huffman decoding errors for non-indexed -// strings past the MAX_HEADER_LIST_SIZE are ignored, but the server -// is returning an error anyway, and because they're not indexed, the error -// won't affect the decoding state. -func (d *Decoder) readString(p []byte, wantStr bool) (s string, remain []byte, err error) { +// It returns a reference to the encoded string data to permit deferring decode costs +// until after the caller verifies all data is present. +func (d *Decoder) readString(p []byte) (u undecodedString, remain []byte, err error) { if len(p) == 0 { - return "", p, errNeedMore + return u, p, errNeedMore } isHuff := p[0]&128 != 0 strLen, p, err := readVarInt(7, p) if err != nil { - return "", p, err + return u, p, err } if d.maxStrLen != 0 && strLen > uint64(d.maxStrLen) { - return "", nil, ErrStringLength + // Returning an error here means Huffman decoding errors + // for non-indexed strings past the maximum string length + // are ignored, but the server is returning an error anyway + // and because the string is not indexed the error will not + // affect the decoding state. + return u, nil, ErrStringLength } if uint64(len(p)) < strLen { - return "", p, errNeedMore - } - if !isHuff { - if wantStr { - s = string(p[:strLen]) - } - return s, p[strLen:], nil + return u, p, errNeedMore } + u.isHuff = isHuff + u.b = p[:strLen] + return u, p[strLen:], nil +} - if wantStr { - buf := bufPool.Get().(*bytes.Buffer) - buf.Reset() // don't trust others - defer bufPool.Put(buf) - if err := huffmanDecode(buf, d.maxStrLen, p[:strLen]); err != nil { - buf.Reset() - return "", nil, err - } +type undecodedString struct { + isHuff bool + b []byte +} + +func (d *Decoder) decodeString(u undecodedString) (string, error) { + if !u.isHuff { + return string(u.b), nil + } + buf := bufPool.Get().(*bytes.Buffer) + buf.Reset() // don't trust others + var s string + err := huffmanDecode(buf, d.maxStrLen, u.b) + if err == nil { s = buf.String() - buf.Reset() // be nice to GC } - return s, p[strLen:], nil + buf.Reset() // be nice to GC + bufPool.Put(buf) + return s, err } |