1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "net/base/net_util.h"
6
7 #ifndef ANDROID
8 #include <ifaddrs.h>
9 #endif
10 #include <sys/types.h>
11
12 #include "base/eintr_wrapper.h"
13 #include "base/file_path.h"
14 #include "base/logging.h"
15 #include "base/string_util.h"
16 #include "base/threading/thread_restrictions.h"
17 #include "googleurl/src/gurl.h"
18 #include "net/base/escape.h"
19 #include "net/base/ip_endpoint.h"
20 #include "net/base/net_errors.h"
21
22 namespace net {
23
FileURLToFilePath(const GURL & url,FilePath * path)24 bool FileURLToFilePath(const GURL& url, FilePath* path) {
25 *path = FilePath();
26 std::string& file_path_str = const_cast<std::string&>(path->value());
27 file_path_str.clear();
28
29 if (!url.is_valid())
30 return false;
31
32 // Firefox seems to ignore the "host" of a file url if there is one. That is,
33 // file://foo/bar.txt maps to /bar.txt.
34 // TODO(dhg): This should probably take into account UNCs which could
35 // include a hostname other than localhost or blank
36 std::string old_path = url.path();
37
38 if (old_path.empty())
39 return false;
40
41 // GURL stores strings as percent-encoded 8-bit, this will undo if possible.
42 old_path = UnescapeURLComponent(old_path,
43 UnescapeRule::SPACES | UnescapeRule::URL_SPECIAL_CHARS);
44
45 // Collapse multiple path slashes into a single path slash.
46 std::string new_path;
47 do {
48 new_path = old_path;
49 ReplaceSubstringsAfterOffset(&new_path, 0, "//", "/");
50 old_path.swap(new_path);
51 } while (new_path != old_path);
52
53 file_path_str.assign(old_path);
54
55 return !file_path_str.empty();
56 }
57
58 #ifndef ANDROID
GetNetworkList(NetworkInterfaceList * networks)59 bool GetNetworkList(NetworkInterfaceList* networks) {
60 // getifaddrs() may require IO operations.
61 base::ThreadRestrictions::AssertIOAllowed();
62
63 ifaddrs *ifaddr;
64 if (getifaddrs(&ifaddr) < 0) {
65 PLOG(ERROR) << "getifaddrs";
66 return false;
67 }
68
69 for (ifaddrs *ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
70 int family = ifa->ifa_addr->sa_family;
71 if (family == AF_INET || family == AF_INET6) {
72 IPEndPoint address;
73 std::string name = ifa->ifa_name;
74 if (address.FromSockAddr(ifa->ifa_addr,
75 sizeof(ifa->ifa_addr)) &&
76 name.substr(0, 2) != "lo") {
77 networks->push_back(NetworkInterface(name, address.address()));
78 }
79 }
80 }
81
82 freeifaddrs(ifaddr);
83
84 return true;
85 }
86 #endif
87
88 } // namespace net
89