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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/net_util.h"
#include <sys/types.h>
#include "base/eintr_wrapper.h"
#include "base/file_path.h"
#include "base/logging.h"
#include "base/string_util.h"
#include "base/threading/thread_restrictions.h"
#include "googleurl/src/gurl.h"
#include "net/base/escape.h"
#include "net/base/ip_endpoint.h"
#include "net/base/net_errors.h"
#if !defined(OS_ANDROID)
#include <ifaddrs.h>
#endif
#include <net/if.h>
#include <netinet/in.h>
namespace net {
bool FileURLToFilePath(const GURL& url, FilePath* path) {
*path = FilePath();
std::string& file_path_str = const_cast<std::string&>(path->value());
file_path_str.clear();
if (!url.is_valid())
return false;
// Firefox seems to ignore the "host" of a file url if there is one. That is,
// file://foo/bar.txt maps to /bar.txt.
// TODO(dhg): This should probably take into account UNCs which could
// include a hostname other than localhost or blank
std::string old_path = url.path();
if (old_path.empty())
return false;
// GURL stores strings as percent-encoded 8-bit, this will undo if possible.
old_path = UnescapeURLComponent(old_path,
UnescapeRule::SPACES | UnescapeRule::URL_SPECIAL_CHARS);
// Collapse multiple path slashes into a single path slash.
std::string new_path;
do {
new_path = old_path;
ReplaceSubstringsAfterOffset(&new_path, 0, "//", "/");
old_path.swap(new_path);
} while (new_path != old_path);
file_path_str.assign(old_path);
return !file_path_str.empty();
}
bool GetNetworkList(NetworkInterfaceList* networks) {
#if defined(OS_ANDROID)
// TODO: Android API doesn't support ifaddrs. This method was only used by
// P2PMessage. Consider to implement it until really needed. The possible
// approach is implementing the similar feature by
// java.net.NetworkInterface through JNI.
NOTIMPLEMENTED();
return false;
#else
// getifaddrs() may require IO operations.
base::ThreadRestrictions::AssertIOAllowed();
ifaddrs *interfaces;
if (getifaddrs(&interfaces) < 0) {
PLOG(ERROR) << "getifaddrs";
return false;
}
// Enumerate the addresses assigned to network interfaces which are up.
for (ifaddrs *interface = interfaces;
interface != NULL;
interface = interface->ifa_next) {
// Skip loopback interfaces, and ones which are down.
if (!(IFF_UP & interface->ifa_flags))
continue;
if (IFF_LOOPBACK & interface->ifa_flags)
continue;
// Skip interfaces with no address configured.
struct sockaddr* addr = interface->ifa_addr;
if (!addr)
continue;
// Skip loopback addresses configured on non-loopback interfaces.
int addr_size = 0;
if (addr->sa_family == AF_INET6) {
struct sockaddr_in6* addr_in6 =
reinterpret_cast<struct sockaddr_in6*>(addr);
struct in6_addr* sin6_addr = &addr_in6->sin6_addr;
addr_size = sizeof(*addr_in6);
if (IN6_IS_ADDR_LOOPBACK(sin6_addr))
continue;
} else if (addr->sa_family == AF_INET) {
struct sockaddr_in* addr_in =
reinterpret_cast<struct sockaddr_in*>(addr);
addr_size = sizeof(*addr_in);
if (addr_in->sin_addr.s_addr == INADDR_LOOPBACK)
continue;
} else {
// Skip non-IP addresses.
continue;
}
IPEndPoint address;
std::string name = interface->ifa_name;
if (address.FromSockAddr(addr, addr_size)) {
networks->push_back(NetworkInterface(name, address.address()));
}
}
freeifaddrs(interfaces);
return true;
#endif
}
} // namespace net
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