--- /dev/null
+/*
+ *
+ * Copyright 2016 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.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#include "src/core/ext/filters/client_channel/parse_address.h"
+#include "src/core/lib/iomgr/grpc_if_nametoindex.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/socket_utils.h"
+
+#include <stdio.h>
+#include <string.h>
+#ifdef GRPC_HAVE_UNIX_SOCKET
+#include <sys/un.h>
+#endif
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/lib/gpr/string.h"
+#include "src/core/lib/gprpp/host_port.h"
+
+#ifdef GRPC_POSIX_SOCKET
+#include <errno.h>
+#include <net/if.h>
+#endif
+
+#ifdef GRPC_HAVE_UNIX_SOCKET
+
+bool grpc_parse_unix(const grpc_uri* uri,
+ grpc_resolved_address* resolved_addr) {
+ if (strcmp("unix", uri->scheme) != 0) {
+ gpr_log(GPR_ERROR, "Expected 'unix' scheme, got '%s'", uri->scheme);
+ return false;
+ }
+ struct sockaddr_un* un =
+ reinterpret_cast<struct sockaddr_un*>(resolved_addr->addr);
+ const size_t maxlen = sizeof(un->sun_path);
+ const size_t path_len = strnlen(uri->path, maxlen);
+ if (path_len == maxlen) return false;
+ un->sun_family = AF_UNIX;
+ strcpy(un->sun_path, uri->path);
+ resolved_addr->len = static_cast<socklen_t>(sizeof(*un));
+ return true;
+}
+
+#else /* GRPC_HAVE_UNIX_SOCKET */
+
+bool grpc_parse_unix(const grpc_uri* uri,
+ grpc_resolved_address* resolved_addr) {
+ abort();
+}
+
+#endif /* GRPC_HAVE_UNIX_SOCKET */
+
+bool grpc_parse_ipv4_hostport(const char* hostport, grpc_resolved_address* addr,
+ bool log_errors) {
+ bool success = false;
+ // Split host and port.
+ grpc_core::UniquePtr<char> host;
+ grpc_core::UniquePtr<char> port;
+ if (!grpc_core::SplitHostPort(hostport, &host, &port)) {
+ if (log_errors) {
+ gpr_log(GPR_ERROR, "Failed gpr_split_host_port(%s, ...)", hostport);
+ }
+ return false;
+ }
+ // Parse IP address.
+ memset(addr, 0, sizeof(*addr));
+ addr->len = static_cast<socklen_t>(sizeof(grpc_sockaddr_in));
+ grpc_sockaddr_in* in = reinterpret_cast<grpc_sockaddr_in*>(addr->addr);
+ in->sin_family = GRPC_AF_INET;
+ if (grpc_inet_pton(GRPC_AF_INET, host.get(), &in->sin_addr) == 0) {
+ if (log_errors) {
+ gpr_log(GPR_ERROR, "invalid ipv4 address: '%s'", host.get());
+ }
+ goto done;
+ }
+ // Parse port.
+ if (port == nullptr) {
+ if (log_errors) gpr_log(GPR_ERROR, "no port given for ipv4 scheme");
+ goto done;
+ }
+ int port_num;
+ if (sscanf(port.get(), "%d", &port_num) != 1 || port_num < 0 ||
+ port_num > 65535) {
+ if (log_errors) gpr_log(GPR_ERROR, "invalid ipv4 port: '%s'", port.get());
+ goto done;
+ }
+ in->sin_port = grpc_htons(static_cast<uint16_t>(port_num));
+ success = true;
+done:
+ return success;
+}
+
+bool grpc_parse_ipv4(const grpc_uri* uri,
+ grpc_resolved_address* resolved_addr) {
+ if (strcmp("ipv4", uri->scheme) != 0) {
+ gpr_log(GPR_ERROR, "Expected 'ipv4' scheme, got '%s'", uri->scheme);
+ return false;
+ }
+ const char* host_port = uri->path;
+ if (*host_port == '/') ++host_port;
+ return grpc_parse_ipv4_hostport(host_port, resolved_addr,
+ true /* log_errors */);
+}
+
+bool grpc_parse_ipv6_hostport(const char* hostport, grpc_resolved_address* addr,
+ bool log_errors) {
+ bool success = false;
+ // Split host and port.
+ grpc_core::UniquePtr<char> host;
+ grpc_core::UniquePtr<char> port;
+ if (!grpc_core::SplitHostPort(hostport, &host, &port)) {
+ if (log_errors) {
+ gpr_log(GPR_ERROR, "Failed gpr_split_host_port(%s, ...)", hostport);
+ }
+ return false;
+ }
+ // Parse IP address.
+ memset(addr, 0, sizeof(*addr));
+ addr->len = static_cast<socklen_t>(sizeof(grpc_sockaddr_in6));
+ grpc_sockaddr_in6* in6 = reinterpret_cast<grpc_sockaddr_in6*>(addr->addr);
+ in6->sin6_family = GRPC_AF_INET6;
+ // Handle the RFC6874 syntax for IPv6 zone identifiers.
+ char* host_end =
+ static_cast<char*>(gpr_memrchr(host.get(), '%', strlen(host.get())));
+ if (host_end != nullptr) {
+ GPR_ASSERT(host_end >= host.get());
+ char host_without_scope[GRPC_INET6_ADDRSTRLEN + 1];
+ size_t host_without_scope_len = static_cast<size_t>(host_end - host.get());
+ uint32_t sin6_scope_id = 0;
+ if (host_without_scope_len > GRPC_INET6_ADDRSTRLEN) {
+ if (log_errors) {
+ gpr_log(
+ GPR_ERROR,
+ "invalid ipv6 address length %zu. Length cannot be greater than "
+ "GRPC_INET6_ADDRSTRLEN i.e %d)",
+ host_without_scope_len, GRPC_INET6_ADDRSTRLEN);
+ }
+ goto done;
+ }
+ strncpy(host_without_scope, host.get(), host_without_scope_len);
+ host_without_scope[host_without_scope_len] = '\0';
+ if (grpc_inet_pton(GRPC_AF_INET6, host_without_scope, &in6->sin6_addr) ==
+ 0) {
+ if (log_errors) {
+ gpr_log(GPR_ERROR, "invalid ipv6 address: '%s'", host_without_scope);
+ }
+ goto done;
+ }
+ if (gpr_parse_bytes_to_uint32(
+ host_end + 1, strlen(host.get()) - host_without_scope_len - 1,
+ &sin6_scope_id) == 0) {
+ if ((sin6_scope_id = grpc_if_nametoindex(host_end + 1)) == 0) {
+ gpr_log(GPR_ERROR,
+ "Invalid interface name: '%s'. "
+ "Non-numeric and failed if_nametoindex.",
+ host_end + 1);
+ goto done;
+ }
+ }
+ // Handle "sin6_scope_id" being type "u_long". See grpc issue #10027.
+ in6->sin6_scope_id = sin6_scope_id;
+ } else {
+ if (grpc_inet_pton(GRPC_AF_INET6, host.get(), &in6->sin6_addr) == 0) {
+ if (log_errors) {
+ gpr_log(GPR_ERROR, "invalid ipv6 address: '%s'", host.get());
+ }
+ goto done;
+ }
+ }
+ // Parse port.
+ if (port == nullptr) {
+ if (log_errors) gpr_log(GPR_ERROR, "no port given for ipv6 scheme");
+ goto done;
+ }
+ int port_num;
+ if (sscanf(port.get(), "%d", &port_num) != 1 || port_num < 0 ||
+ port_num > 65535) {
+ if (log_errors) gpr_log(GPR_ERROR, "invalid ipv6 port: '%s'", port.get());
+ goto done;
+ }
+ in6->sin6_port = grpc_htons(static_cast<uint16_t>(port_num));
+ success = true;
+done:
+ return success;
+}
+
+bool grpc_parse_ipv6(const grpc_uri* uri,
+ grpc_resolved_address* resolved_addr) {
+ if (strcmp("ipv6", uri->scheme) != 0) {
+ gpr_log(GPR_ERROR, "Expected 'ipv6' scheme, got '%s'", uri->scheme);
+ return false;
+ }
+ const char* host_port = uri->path;
+ if (*host_port == '/') ++host_port;
+ return grpc_parse_ipv6_hostport(host_port, resolved_addr,
+ true /* log_errors */);
+}
+
+bool grpc_parse_uri(const grpc_uri* uri, grpc_resolved_address* resolved_addr) {
+ if (strcmp("unix", uri->scheme) == 0) {
+ return grpc_parse_unix(uri, resolved_addr);
+ } else if (strcmp("ipv4", uri->scheme) == 0) {
+ return grpc_parse_ipv4(uri, resolved_addr);
+ } else if (strcmp("ipv6", uri->scheme) == 0) {
+ return grpc_parse_ipv6(uri, resolved_addr);
+ }
+ gpr_log(GPR_ERROR, "Can't parse scheme '%s'", uri->scheme);
+ return false;
+}
+
+uint16_t grpc_strhtons(const char* port) {
+ if (strcmp(port, "http") == 0) {
+ return htons(80);
+ } else if (strcmp(port, "https") == 0) {
+ return htons(443);
+ }
+ return htons(static_cast<unsigned short>(atoi(port)));
+}
git://repos.xcallymotion.com / motion2.git / blobdiff