diff options
author | Paul Holzinger <pholzing@redhat.com> | 2021-12-15 15:18:02 +0100 |
---|---|---|
committer | Paul Holzinger <pholzing@redhat.com> | 2021-12-16 15:28:39 +0100 |
commit | 03a3fc37fe82800113a1c9043448acb2afa539a6 (patch) | |
tree | 216aae69ad45e33c18bd5af8eb37d8a16dae4050 /vendor/google.golang.org/grpc/internal | |
parent | d1c91c128ea32dae3e9c56c657ea57dfed9f6ad4 (diff) | |
download | podman-03a3fc37fe82800113a1c9043448acb2afa539a6.tar.gz podman-03a3fc37fe82800113a1c9043448acb2afa539a6.tar.bz2 podman-03a3fc37fe82800113a1c9043448acb2afa539a6.zip |
bump cobra to 1.3.0
This contains some fixes for the shell completion files.
[NO NEW TESTS NEEDED]
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
Diffstat (limited to 'vendor/google.golang.org/grpc/internal')
13 files changed, 183 insertions, 135 deletions
diff --git a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go index e766ac04a..9f25a67fc 100644 --- a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go +++ b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go @@ -33,8 +33,9 @@ const ( ) var ( - // Retry is set if retry is explicitly enabled via "GRPC_GO_RETRY=on" or if XDS retry support is enabled. - Retry = strings.EqualFold(os.Getenv(retryStr), "on") || xdsenv.RetrySupport + // Retry is enabled unless explicitly disabled via "GRPC_GO_RETRY=off" or + // if XDS retry support is explicitly disabled. + Retry = !strings.EqualFold(os.Getenv(retryStr), "off") && xdsenv.RetrySupport // TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false"). TXTErrIgnore = !strings.EqualFold(os.Getenv(txtErrIgnoreStr), "false") ) diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/grpcutil.go b/vendor/google.golang.org/grpc/internal/grpcutil/grpcutil.go new file mode 100644 index 000000000..e2f948e8f --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/grpcutil/grpcutil.go @@ -0,0 +1,20 @@ +/* + * + * Copyright 2021 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +// Package grpcutil provides utility functions used across the gRPC codebase. +package grpcutil diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/regex.go b/vendor/google.golang.org/grpc/internal/grpcutil/regex.go new file mode 100644 index 000000000..2810a8ba2 --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/grpcutil/regex.go @@ -0,0 +1,28 @@ +/* + * + * Copyright 2021 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package grpcutil + +import "regexp" + +// FullMatchWithRegex returns whether the full string matches the regex provided. +func FullMatchWithRegex(re *regexp.Regexp, string string) bool { + re.Longest() + rem := re.FindString(string) + return len(rem) == len(string) +} diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/target.go b/vendor/google.golang.org/grpc/internal/grpcutil/target.go deleted file mode 100644 index 8833021da..000000000 --- a/vendor/google.golang.org/grpc/internal/grpcutil/target.go +++ /dev/null @@ -1,89 +0,0 @@ -/* - * - * Copyright 2020 gRPC authors. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ - -// Package grpcutil provides a bunch of utility functions to be used across the -// gRPC codebase. -package grpcutil - -import ( - "strings" - - "google.golang.org/grpc/resolver" -) - -// split2 returns the values from strings.SplitN(s, sep, 2). -// If sep is not found, it returns ("", "", false) instead. -func split2(s, sep string) (string, string, bool) { - spl := strings.SplitN(s, sep, 2) - if len(spl) < 2 { - return "", "", false - } - return spl[0], spl[1], true -} - -// ParseTarget splits target into a resolver.Target struct containing scheme, -// authority and endpoint. skipUnixColonParsing indicates that the parse should -// not parse "unix:[path]" cases. This should be true in cases where a custom -// dialer is present, to prevent a behavior change. -// -// If target is not a valid scheme://authority/endpoint as specified in -// https://github.com/grpc/grpc/blob/master/doc/naming.md, -// it returns {Endpoint: target}. -func ParseTarget(target string, skipUnixColonParsing bool) (ret resolver.Target) { - var ok bool - if strings.HasPrefix(target, "unix-abstract:") { - if strings.HasPrefix(target, "unix-abstract://") { - // Maybe, with Authority specified, try to parse it - var remain string - ret.Scheme, remain, _ = split2(target, "://") - ret.Authority, ret.Endpoint, ok = split2(remain, "/") - if !ok { - // No Authority, add the "//" back - ret.Endpoint = "//" + remain - } else { - // Found Authority, add the "/" back - ret.Endpoint = "/" + ret.Endpoint - } - } else { - // Without Authority specified, split target on ":" - ret.Scheme, ret.Endpoint, _ = split2(target, ":") - } - return ret - } - ret.Scheme, ret.Endpoint, ok = split2(target, "://") - if !ok { - if strings.HasPrefix(target, "unix:") && !skipUnixColonParsing { - // Handle the "unix:[local/path]" and "unix:[/absolute/path]" cases, - // because splitting on :// only handles the - // "unix://[/absolute/path]" case. Only handle if the dialer is nil, - // to avoid a behavior change with custom dialers. - return resolver.Target{Scheme: "unix", Endpoint: target[len("unix:"):]} - } - return resolver.Target{Endpoint: target} - } - ret.Authority, ret.Endpoint, ok = split2(ret.Endpoint, "/") - if !ok { - return resolver.Target{Endpoint: target} - } - if ret.Scheme == "unix" { - // Add the "/" back in the unix case, so the unix resolver receives the - // actual endpoint in the "unix://[/absolute/path]" case. - ret.Endpoint = "/" + ret.Endpoint - } - return ret -} diff --git a/vendor/google.golang.org/grpc/internal/metadata/metadata.go b/vendor/google.golang.org/grpc/internal/metadata/metadata.go index 302262613..b8733dbf3 100644 --- a/vendor/google.golang.org/grpc/internal/metadata/metadata.go +++ b/vendor/google.golang.org/grpc/internal/metadata/metadata.go @@ -30,14 +30,38 @@ type mdKeyType string const mdKey = mdKeyType("grpc.internal.address.metadata") +type mdValue metadata.MD + +func (m mdValue) Equal(o interface{}) bool { + om, ok := o.(mdValue) + if !ok { + return false + } + if len(m) != len(om) { + return false + } + for k, v := range m { + ov := om[k] + if len(ov) != len(v) { + return false + } + for i, ve := range v { + if ov[i] != ve { + return false + } + } + } + return true +} + // Get returns the metadata of addr. func Get(addr resolver.Address) metadata.MD { attrs := addr.Attributes if attrs == nil { return nil } - md, _ := attrs.Value(mdKey).(metadata.MD) - return md + md, _ := attrs.Value(mdKey).(mdValue) + return metadata.MD(md) } // Set sets (overrides) the metadata in addr. @@ -45,6 +69,6 @@ func Get(addr resolver.Address) metadata.MD { // When a SubConn is created with this address, the RPCs sent on it will all // have this metadata. func Set(addr resolver.Address, md metadata.MD) resolver.Address { - addr.Attributes = addr.Attributes.WithValues(mdKey, md) + addr.Attributes = addr.Attributes.WithValue(mdKey, mdValue(md)) return addr } diff --git a/vendor/google.golang.org/grpc/internal/resolver/config_selector.go b/vendor/google.golang.org/grpc/internal/resolver/config_selector.go index be7e13d58..c7a18a948 100644 --- a/vendor/google.golang.org/grpc/internal/resolver/config_selector.go +++ b/vendor/google.golang.org/grpc/internal/resolver/config_selector.go @@ -132,7 +132,7 @@ const csKey = csKeyType("grpc.internal.resolver.configSelector") // SetConfigSelector sets the config selector in state and returns the new // state. func SetConfigSelector(state resolver.State, cs ConfigSelector) resolver.State { - state.Attributes = state.Attributes.WithValues(csKey, cs) + state.Attributes = state.Attributes.WithValue(csKey, cs) return state } diff --git a/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go index 0d5a811dd..20852e59d 100644 --- a/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go +++ b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go @@ -37,7 +37,17 @@ func (b *builder) Build(target resolver.Target, cc resolver.ClientConn, _ resolv if target.Authority != "" { return nil, fmt.Errorf("invalid (non-empty) authority: %v", target.Authority) } - addr := resolver.Address{Addr: target.Endpoint} + + // gRPC was parsing the dial target manually before PR #4817, and we + // switched to using url.Parse() in that PR. To avoid breaking existing + // resolver implementations we ended up stripping the leading "/" from the + // endpoint. This obviously does not work for the "unix" scheme. Hence we + // end up using the parsed URL instead. + endpoint := target.URL.Path + if endpoint == "" { + endpoint = target.URL.Opaque + } + addr := resolver.Address{Addr: endpoint} if b.scheme == unixAbstractScheme { // prepend "\x00" to address for unix-abstract addr.Addr = "\x00" + addr.Addr diff --git a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go index 45532f8ae..8394d252d 100644 --- a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go +++ b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go @@ -133,6 +133,7 @@ type cleanupStream struct { func (c *cleanupStream) isTransportResponseFrame() bool { return c.rst } // Results in a RST_STREAM type earlyAbortStream struct { + httpStatus uint32 streamID uint32 contentSubtype string status *status.Status @@ -771,9 +772,12 @@ func (l *loopyWriter) earlyAbortStreamHandler(eas *earlyAbortStream) error { if l.side == clientSide { return errors.New("earlyAbortStream not handled on client") } - + // In case the caller forgets to set the http status, default to 200. + if eas.httpStatus == 0 { + eas.httpStatus = 200 + } headerFields := []hpack.HeaderField{ - {Name: ":status", Value: "200"}, + {Name: ":status", Value: strconv.Itoa(int(eas.httpStatus))}, {Name: "content-type", Value: grpcutil.ContentType(eas.contentSubtype)}, {Name: "grpc-status", Value: strconv.Itoa(int(eas.status.Code()))}, {Name: "grpc-message", Value: encodeGrpcMessage(eas.status.Message())}, diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_client.go b/vendor/google.golang.org/grpc/internal/transport/http2_client.go index 755863074..2521a7d7a 100644 --- a/vendor/google.golang.org/grpc/internal/transport/http2_client.go +++ b/vendor/google.golang.org/grpc/internal/transport/http2_client.go @@ -25,6 +25,7 @@ import ( "math" "net" "net/http" + "path/filepath" "strconv" "strings" "sync" @@ -146,13 +147,20 @@ func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error address := addr.Addr networkType, ok := networktype.Get(addr) if fn != nil { + // Special handling for unix scheme with custom dialer. Back in the day, + // we did not have a unix resolver and therefore targets with a unix + // scheme would end up using the passthrough resolver. So, user's used a + // custom dialer in this case and expected the original dial target to + // be passed to the custom dialer. Now, we have a unix resolver. But if + // a custom dialer is specified, we want to retain the old behavior in + // terms of the address being passed to the custom dialer. if networkType == "unix" && !strings.HasPrefix(address, "\x00") { - // For backward compatibility, if the user dialed "unix:///path", - // the passthrough resolver would be used and the user's custom - // dialer would see "unix:///path". Since the unix resolver is used - // and the address is now "/path", prepend "unix://" so the user's - // custom dialer sees the same address. - return fn(ctx, "unix://"+address) + // Supported unix targets are either "unix://absolute-path" or + // "unix:relative-path". + if filepath.IsAbs(address) { + return fn(ctx, "unix://"+address) + } + return fn(ctx, "unix:"+address) } return fn(ctx, address) } @@ -1073,7 +1081,7 @@ func (t *http2Client) handleData(f *http2.DataFrame) { } // The server has closed the stream without sending trailers. Record that // the read direction is closed, and set the status appropriately. - if f.FrameHeader.Flags.Has(http2.FlagDataEndStream) { + if f.StreamEnded() { t.closeStream(s, io.EOF, false, http2.ErrCodeNo, status.New(codes.Internal, "server closed the stream without sending trailers"), nil, true) } } @@ -1403,26 +1411,6 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) { } isHeader := false - defer func() { - if t.statsHandler != nil { - if isHeader { - inHeader := &stats.InHeader{ - Client: true, - WireLength: int(frame.Header().Length), - Header: s.header.Copy(), - Compression: s.recvCompress, - } - t.statsHandler.HandleRPC(s.ctx, inHeader) - } else { - inTrailer := &stats.InTrailer{ - Client: true, - WireLength: int(frame.Header().Length), - Trailer: s.trailer.Copy(), - } - t.statsHandler.HandleRPC(s.ctx, inTrailer) - } - } - }() // If headerChan hasn't been closed yet if atomic.CompareAndSwapUint32(&s.headerChanClosed, 0, 1) { @@ -1444,6 +1432,25 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) { close(s.headerChan) } + if t.statsHandler != nil { + if isHeader { + inHeader := &stats.InHeader{ + Client: true, + WireLength: int(frame.Header().Length), + Header: metadata.MD(mdata).Copy(), + Compression: s.recvCompress, + } + t.statsHandler.HandleRPC(s.ctx, inHeader) + } else { + inTrailer := &stats.InTrailer{ + Client: true, + WireLength: int(frame.Header().Length), + Trailer: metadata.MD(mdata).Copy(), + } + t.statsHandler.HandleRPC(s.ctx, inTrailer) + } + } + if !endStream { return } diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_server.go b/vendor/google.golang.org/grpc/internal/transport/http2_server.go index 19c13e041..f2cad9ebc 100644 --- a/vendor/google.golang.org/grpc/internal/transport/http2_server.go +++ b/vendor/google.golang.org/grpc/internal/transport/http2_server.go @@ -129,7 +129,7 @@ type http2Server struct { // options from config. // // It returns a non-nil transport and a nil error on success. On failure, it -// returns a non-nil transport and a nil-error. For a special case where the +// returns a nil transport and a non-nil error. For a special case where the // underlying conn gets closed before the client preface could be read, it // returns a nil transport and a nil error. func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, err error) { @@ -290,10 +290,11 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, if _, err := io.ReadFull(t.conn, preface); err != nil { // In deployments where a gRPC server runs behind a cloud load balancer // which performs regular TCP level health checks, the connection is - // closed immediately by the latter. Skipping the error here will help - // reduce log clutter. + // closed immediately by the latter. Returning io.EOF here allows the + // grpc server implementation to recognize this scenario and suppress + // logging to reduce spam. if err == io.EOF { - return nil, nil + return nil, io.EOF } return nil, connectionErrorf(false, err, "transport: http2Server.HandleStreams failed to receive the preface from client: %v", err) } @@ -390,6 +391,13 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( if timeout, err = decodeTimeout(hf.Value); err != nil { headerError = true } + // "Transports must consider requests containing the Connection header + // as malformed." - A41 + case "connection": + if logger.V(logLevel) { + logger.Errorf("transport: http2Server.operateHeaders parsed a :connection header which makes a request malformed as per the HTTP/2 spec") + } + headerError = true default: if isReservedHeader(hf.Name) && !isWhitelistedHeader(hf.Name) { break @@ -404,6 +412,25 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( } } + // "If multiple Host headers or multiple :authority headers are present, the + // request must be rejected with an HTTP status code 400 as required by Host + // validation in RFC 7230 ยง5.4, gRPC status code INTERNAL, or RST_STREAM + // with HTTP/2 error code PROTOCOL_ERROR." - A41. Since this is a HTTP/2 + // error, this takes precedence over a client not speaking gRPC. + if len(mdata[":authority"]) > 1 || len(mdata["host"]) > 1 { + errMsg := fmt.Sprintf("num values of :authority: %v, num values of host: %v, both must only have 1 value as per HTTP/2 spec", len(mdata[":authority"]), len(mdata["host"])) + if logger.V(logLevel) { + logger.Errorf("transport: %v", errMsg) + } + t.controlBuf.put(&earlyAbortStream{ + httpStatus: 400, + streamID: streamID, + contentSubtype: s.contentSubtype, + status: status.New(codes.Internal, errMsg), + }) + return false + } + if !isGRPC || headerError { t.controlBuf.put(&cleanupStream{ streamID: streamID, @@ -414,6 +441,19 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( return false } + // "If :authority is missing, Host must be renamed to :authority." - A41 + if len(mdata[":authority"]) == 0 { + // No-op if host isn't present, no eventual :authority header is a valid + // RPC. + if host, ok := mdata["host"]; ok { + mdata[":authority"] = host + delete(mdata, "host") + } + } else { + // "If :authority is present, Host must be discarded" - A41 + delete(mdata, "host") + } + if frame.StreamEnded() { // s is just created by the caller. No lock needed. s.state = streamReadDone @@ -494,6 +534,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( stat = status.New(codes.PermissionDenied, err.Error()) } t.controlBuf.put(&earlyAbortStream{ + httpStatus: 200, streamID: s.id, contentSubtype: s.contentSubtype, status: stat, @@ -734,7 +775,7 @@ func (t *http2Server) handleData(f *http2.DataFrame) { s.write(recvMsg{buffer: buffer}) } } - if f.Header().Flags.Has(http2.FlagDataEndStream) { + if f.StreamEnded() { // Received the end of stream from the client. s.compareAndSwapState(streamActive, streamReadDone) s.write(recvMsg{err: io.EOF}) diff --git a/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go b/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go index 7bb53cff1..c11b52782 100644 --- a/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go +++ b/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go @@ -31,7 +31,7 @@ const key = keyType("grpc.internal.transport.networktype") // Set returns a copy of the provided address with attributes containing networkType. func Set(address resolver.Address, networkType string) resolver.Address { - address.Attributes = address.Attributes.WithValues(key, networkType) + address.Attributes = address.Attributes.WithValue(key, networkType) return address } diff --git a/vendor/google.golang.org/grpc/internal/xds/env/env.go b/vendor/google.golang.org/grpc/internal/xds/env/env.go index b171ac91f..87d3c2433 100644 --- a/vendor/google.golang.org/grpc/internal/xds/env/env.go +++ b/vendor/google.golang.org/grpc/internal/xds/env/env.go @@ -43,7 +43,7 @@ const ( clientSideSecuritySupportEnv = "GRPC_XDS_EXPERIMENTAL_SECURITY_SUPPORT" aggregateAndDNSSupportEnv = "GRPC_XDS_EXPERIMENTAL_ENABLE_AGGREGATE_AND_LOGICAL_DNS_CLUSTER" retrySupportEnv = "GRPC_XDS_EXPERIMENTAL_ENABLE_RETRY" - rbacSupportEnv = "GRPC_XDS_EXPERIMENTAL_ENABLE_RBAC" + rbacSupportEnv = "GRPC_XDS_EXPERIMENTAL_RBAC" c2pResolverSupportEnv = "GRPC_EXPERIMENTAL_GOOGLE_C2P_RESOLVER" c2pResolverTestOnlyTrafficDirectorURIEnv = "GRPC_TEST_ONLY_GOOGLE_C2P_RESOLVER_TRAFFIC_DIRECTOR_URI" @@ -83,8 +83,10 @@ var ( // RetrySupport indicates whether xDS retry is enabled. RetrySupport = !strings.EqualFold(os.Getenv(retrySupportEnv), "false") - // RBACSupport indicates whether xDS configured RBAC HTTP Filter is enabled. - RBACSupport = strings.EqualFold(os.Getenv(rbacSupportEnv), "true") + // RBACSupport indicates whether xDS configured RBAC HTTP Filter is enabled, + // which can be disabled by setting the environment variable + // "GRPC_XDS_EXPERIMENTAL_RBAC" to "false". + RBACSupport = !strings.EqualFold(os.Getenv(rbacSupportEnv), "false") // C2PResolverSupport indicates whether support for C2P resolver is enabled. // This can be enabled by setting the environment variable diff --git a/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go b/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go index 3677c3f04..e8b492774 100644 --- a/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go +++ b/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go @@ -28,7 +28,7 @@ type handshakeClusterNameKey struct{} // SetXDSHandshakeClusterName returns a copy of addr in which the Attributes field // is updated with the cluster name. func SetXDSHandshakeClusterName(addr resolver.Address, clusterName string) resolver.Address { - addr.Attributes = addr.Attributes.WithValues(handshakeClusterNameKey{}, clusterName) + addr.Attributes = addr.Attributes.WithValue(handshakeClusterNameKey{}, clusterName) return addr } |