michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsISystemProxySettings.h"
michael@0: #include "mozilla/ModuleUtils.h"
michael@0: #include "nsIServiceManager.h"
michael@0: #include "nsIGConfService.h"
michael@0: #include "nsIURI.h"
michael@0: #include "nsReadableUtils.h"
michael@0: #include "nsArrayUtils.h"
michael@0: #include "prnetdb.h"
michael@0: #include "prenv.h"
michael@0: #include "nsPrintfCString.h"
michael@0: #include "nsNetUtil.h"
michael@0: #include "nsISupportsPrimitives.h"
michael@0: #include "nsIGSettingsService.h"
michael@0: #include "nsInterfaceHashtable.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsIURI.h"
michael@0: 
michael@0: class nsUnixSystemProxySettings MOZ_FINAL : public nsISystemProxySettings {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS
michael@0:   NS_DECL_NSISYSTEMPROXYSETTINGS
michael@0: 
michael@0:   nsUnixSystemProxySettings()
michael@0:     : mSchemeProxySettings(5)
michael@0:   {
michael@0:   }
michael@0:   nsresult Init();
michael@0: 
michael@0: private:
michael@0:   ~nsUnixSystemProxySettings() {}
michael@0:   
michael@0:   nsCOMPtr<nsIGConfService> mGConf;
michael@0:   nsCOMPtr<nsIGSettingsService> mGSettings;
michael@0:   nsCOMPtr<nsIGSettingsCollection> mProxySettings;
michael@0:   nsInterfaceHashtable<nsCStringHashKey, nsIGSettingsCollection> mSchemeProxySettings;
michael@0:   bool IsProxyMode(const char* aMode);
michael@0:   nsresult SetProxyResultFromGConf(const char* aKeyBase, const char* aType, nsACString& aResult);
michael@0:   nsresult GetProxyFromGConf(const nsACString& aScheme, const nsACString& aHost, int32_t aPort, nsACString& aResult);
michael@0:   nsresult GetProxyFromGSettings(const nsACString& aScheme, const nsACString& aHost, int32_t aPort, nsACString& aResult);
michael@0:   nsresult SetProxyResultFromGSettings(const char* aKeyBase, const char* aType, nsACString& aResult);
michael@0: };
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsUnixSystemProxySettings, nsISystemProxySettings)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsUnixSystemProxySettings::GetMainThreadOnly(bool *aMainThreadOnly)
michael@0: {
michael@0:   // dbus prevents us from being threadsafe, but this routine should not block anyhow
michael@0:   *aMainThreadOnly = true;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsUnixSystemProxySettings::Init()
michael@0: {
michael@0:   mGSettings = do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
michael@0:   if (mGSettings) {
michael@0:     mGSettings->GetCollectionForSchema(NS_LITERAL_CSTRING("org.gnome.system.proxy"),
michael@0:                                        getter_AddRefs(mProxySettings));
michael@0:   }
michael@0:   if (!mProxySettings) {
michael@0:     mGConf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
michael@0:   }
michael@0:   
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: bool
michael@0: nsUnixSystemProxySettings::IsProxyMode(const char* aMode)
michael@0: {
michael@0:   nsAutoCString mode;
michael@0:   return NS_SUCCEEDED(mGConf->GetString(NS_LITERAL_CSTRING("/system/proxy/mode"), mode)) &&
michael@0:          mode.EqualsASCII(aMode);
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsUnixSystemProxySettings::GetPACURI(nsACString& aResult)
michael@0: {
michael@0:   if (mProxySettings) {
michael@0:     nsCString proxyMode;
michael@0:     // Check if mode is auto
michael@0:     nsresult rv = mProxySettings->GetString(NS_LITERAL_CSTRING("mode"), proxyMode);
michael@0:     if (rv == NS_OK && proxyMode.Equals("auto")) {
michael@0:       return mProxySettings->GetString(NS_LITERAL_CSTRING("autoconfig-url"), aResult);
michael@0:     }
michael@0:     /* The org.gnome.system.proxy schema has been found, but auto mode is not set.
michael@0:      * Don't try the GConf and return empty string. */
michael@0:     aResult.Truncate();
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   if (mGConf && IsProxyMode("auto")) {
michael@0:     return mGConf->GetString(NS_LITERAL_CSTRING("/system/proxy/autoconfig_url"),
michael@0:                              aResult);
michael@0:   }
michael@0:   // Return an empty string when auto mode is not set.
michael@0:   aResult.Truncate();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: static bool
michael@0: IsInNoProxyList(const nsACString& aHost, int32_t aPort, const char* noProxyVal)
michael@0: {
michael@0:   NS_ASSERTION(aPort >= 0, "Negative port?");
michael@0:   
michael@0:   nsAutoCString noProxy(noProxyVal);
michael@0:   if (noProxy.EqualsLiteral("*"))
michael@0:     return true;
michael@0:     
michael@0:   noProxy.StripWhitespace();
michael@0:   
michael@0:   nsReadingIterator<char> pos;
michael@0:   nsReadingIterator<char> end;
michael@0:   noProxy.BeginReading(pos);
michael@0:   noProxy.EndReading(end);
michael@0:   while (pos != end) {
michael@0:     nsReadingIterator<char> last = pos;
michael@0:     nsReadingIterator<char> nextPos;
michael@0:     if (FindCharInReadable(',', last, end)) {
michael@0:       nextPos = last;
michael@0:       ++nextPos;
michael@0:     } else {
michael@0:       last = end;
michael@0:       nextPos = end;
michael@0:     }
michael@0:     
michael@0:     nsReadingIterator<char> colon = pos;
michael@0:     int32_t port = -1;
michael@0:     if (FindCharInReadable(':', colon, last)) {
michael@0:       ++colon;
michael@0:       nsDependentCSubstring portStr(colon, last);
michael@0:       nsAutoCString portStr2(portStr); // We need this for ToInteger. String API's suck.
michael@0:       nsresult err;
michael@0:       port = portStr2.ToInteger(&err);
michael@0:       if (NS_FAILED(err)) {
michael@0:         port = -2; // don't match any port, so we ignore this pattern
michael@0:       }
michael@0:       --colon;
michael@0:     } else {
michael@0:       colon = last;
michael@0:     }
michael@0:     
michael@0:     if (port == -1 || port == aPort) {
michael@0:       nsDependentCSubstring hostStr(pos, colon);
michael@0:       // By using StringEndsWith instead of an equality comparator, we can include sub-domains
michael@0:       if (StringEndsWith(aHost, hostStr, nsCaseInsensitiveCStringComparator()))
michael@0:         return true;
michael@0:     }
michael@0:     
michael@0:     pos = nextPos;
michael@0:   }
michael@0:   
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: static void SetProxyResult(const char* aType, const nsACString& aHost,
michael@0:                            int32_t aPort, nsACString& aResult)
michael@0: {
michael@0:   aResult.AppendASCII(aType);
michael@0:   aResult.Append(' ');
michael@0:   aResult.Append(aHost);
michael@0:   if (aPort > 0) {
michael@0:     aResult.Append(':');
michael@0:     aResult.Append(nsPrintfCString("%d", aPort));
michael@0:   }
michael@0: }
michael@0: 
michael@0: static nsresult
michael@0: GetProxyFromEnvironment(const nsACString& aScheme,
michael@0:                         const nsACString& aHost,
michael@0:                         int32_t aPort,
michael@0:                         nsACString& aResult)
michael@0: {
michael@0:   nsAutoCString envVar;
michael@0:   envVar.Append(aScheme);
michael@0:   envVar.AppendLiteral("_proxy");
michael@0:   const char* proxyVal = PR_GetEnv(envVar.get());
michael@0:   if (!proxyVal) {
michael@0:     proxyVal = PR_GetEnv("all_proxy");
michael@0:     if (!proxyVal) {
michael@0:       // Return failure so that the caller can detect the failure and
michael@0:       // fall back to other proxy detection (e.g., WPAD)
michael@0:       return NS_ERROR_FAILURE;
michael@0:     }
michael@0:   }
michael@0:   
michael@0:   const char* noProxyVal = PR_GetEnv("no_proxy");
michael@0:   if (noProxyVal && IsInNoProxyList(aHost, aPort, noProxyVal)) {
michael@0:     aResult.AppendLiteral("DIRECT");
michael@0:     return NS_OK;
michael@0:   }
michael@0:   
michael@0:   // Use our URI parser to crack the proxy URI
michael@0:   nsCOMPtr<nsIURI> proxyURI;
michael@0:   nsresult rv = NS_NewURI(getter_AddRefs(proxyURI), proxyVal);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   // Is there a way to specify "socks://" or something in these environment
michael@0:   // variables? I can't find any documentation.
michael@0:   bool isHTTP;
michael@0:   rv = proxyURI->SchemeIs("http", &isHTTP);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0:   if (!isHTTP)
michael@0:     return NS_ERROR_UNKNOWN_PROTOCOL;
michael@0: 
michael@0:   nsAutoCString proxyHost;
michael@0:   rv = proxyURI->GetHost(proxyHost);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   int32_t proxyPort;
michael@0:   rv = proxyURI->GetPort(&proxyPort);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   SetProxyResult("PROXY", proxyHost, proxyPort, aResult);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsUnixSystemProxySettings::SetProxyResultFromGConf(const char* aKeyBase, const char* aType,
michael@0:                                                    nsACString& aResult)
michael@0: {
michael@0:   nsAutoCString hostKey;
michael@0:   hostKey.AppendASCII(aKeyBase);
michael@0:   hostKey.AppendLiteral("host");
michael@0:   nsAutoCString host;
michael@0:   nsresult rv = mGConf->GetString(hostKey, host);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0:   if (host.IsEmpty())
michael@0:     return NS_ERROR_FAILURE;
michael@0:   
michael@0:   nsAutoCString portKey;
michael@0:   portKey.AppendASCII(aKeyBase);
michael@0:   portKey.AppendLiteral("port");
michael@0:   int32_t port;
michael@0:   rv = mGConf->GetInt(portKey, &port);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   /* When port is 0, proxy is not considered as enabled even if host is set. */
michael@0:   if (port == 0)
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   SetProxyResult(aType, host, port, aResult);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsUnixSystemProxySettings::SetProxyResultFromGSettings(const char* aKeyBase, const char* aType,
michael@0:                                                        nsACString& aResult)
michael@0: {
michael@0:   nsDependentCString key(aKeyBase);
michael@0: 
michael@0:   nsCOMPtr<nsIGSettingsCollection> proxy_settings = mSchemeProxySettings.Get(key);
michael@0:   nsresult rv;
michael@0:   if (!proxy_settings) {
michael@0:     rv = mGSettings->GetCollectionForSchema(key, getter_AddRefs(proxy_settings));
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     mSchemeProxySettings.Put(key, proxy_settings);
michael@0:   }
michael@0: 
michael@0:   nsAutoCString host;
michael@0:   rv = proxy_settings->GetString(NS_LITERAL_CSTRING("host"), host);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0:   if (host.IsEmpty())
michael@0:     return NS_ERROR_FAILURE;
michael@0:   
michael@0:   int32_t port;
michael@0:   rv = proxy_settings->GetInt(NS_LITERAL_CSTRING("port"), &port);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0:     
michael@0:   /* When port is 0, proxy is not considered as enabled even if host is set. */
michael@0:   if (port == 0)
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   SetProxyResult(aType, host, port, aResult);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* copied from nsProtocolProxyService.cpp --- we should share this! */
michael@0: static void
michael@0: proxy_MaskIPv6Addr(PRIPv6Addr &addr, uint16_t mask_len)
michael@0: {
michael@0:   if (mask_len == 128)
michael@0:     return;
michael@0: 
michael@0:   if (mask_len > 96) {
michael@0:     addr.pr_s6_addr32[3] = PR_htonl(
michael@0:             PR_ntohl(addr.pr_s6_addr32[3]) & (~0L << (128 - mask_len)));
michael@0:   }
michael@0:   else if (mask_len > 64) {
michael@0:     addr.pr_s6_addr32[3] = 0;
michael@0:     addr.pr_s6_addr32[2] = PR_htonl(
michael@0:             PR_ntohl(addr.pr_s6_addr32[2]) & (~0L << (96 - mask_len)));
michael@0:   }
michael@0:   else if (mask_len > 32) {
michael@0:     addr.pr_s6_addr32[3] = 0;
michael@0:     addr.pr_s6_addr32[2] = 0;
michael@0:     addr.pr_s6_addr32[1] = PR_htonl(
michael@0:             PR_ntohl(addr.pr_s6_addr32[1]) & (~0L << (64 - mask_len)));
michael@0:   }
michael@0:   else {
michael@0:     addr.pr_s6_addr32[3] = 0;
michael@0:     addr.pr_s6_addr32[2] = 0;
michael@0:     addr.pr_s6_addr32[1] = 0;
michael@0:     addr.pr_s6_addr32[0] = PR_htonl(
michael@0:             PR_ntohl(addr.pr_s6_addr32[0]) & (~0L << (32 - mask_len)));
michael@0:   }
michael@0: }
michael@0: 
michael@0: static bool ConvertToIPV6Addr(const nsACString& aName,
michael@0:                                 PRIPv6Addr* aAddr, int32_t* aMask)
michael@0: {
michael@0:   PRNetAddr addr;
michael@0:   // try to convert hostname to IP
michael@0:   if (PR_StringToNetAddr(PromiseFlatCString(aName).get(), &addr) != PR_SUCCESS)
michael@0:     return false;
michael@0: 
michael@0:   // convert parsed address to IPv6
michael@0:   if (addr.raw.family == PR_AF_INET) {
michael@0:     // convert to IPv4-mapped address
michael@0:     PR_ConvertIPv4AddrToIPv6(addr.inet.ip, aAddr);
michael@0:     if (aMask) {
michael@0:       if (*aMask <= 32)
michael@0:         *aMask += 96;
michael@0:       else
michael@0:         return false;
michael@0:     }
michael@0:   } else if (addr.raw.family == PR_AF_INET6) {
michael@0:     // copy the address
michael@0:     memcpy(aAddr, &addr.ipv6.ip, sizeof(PRIPv6Addr));
michael@0:   } else {
michael@0:     return false;
michael@0:   }
michael@0:   
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: static bool HostIgnoredByProxy(const nsACString& aIgnore,
michael@0:                                const nsACString& aHost)
michael@0: {
michael@0:   if (aIgnore.Equals(aHost, nsCaseInsensitiveCStringComparator()))
michael@0:     return true;
michael@0: 
michael@0:   if (aIgnore.First() == '*' &&
michael@0:       StringEndsWith(aHost, nsDependentCSubstring(aIgnore, 1),
michael@0:                      nsCaseInsensitiveCStringComparator()))
michael@0:     return true;
michael@0: 
michael@0:   int32_t mask = 128;
michael@0:   nsReadingIterator<char> start;
michael@0:   nsReadingIterator<char> slash;
michael@0:   nsReadingIterator<char> end;
michael@0:   aIgnore.BeginReading(start);
michael@0:   aIgnore.BeginReading(slash);
michael@0:   aIgnore.EndReading(end);
michael@0:   if (FindCharInReadable('/', slash, end)) {
michael@0:     ++slash;
michael@0:     nsDependentCSubstring maskStr(slash, end);
michael@0:     nsAutoCString maskStr2(maskStr);
michael@0:     nsresult err;
michael@0:     mask = maskStr2.ToInteger(&err);
michael@0:     if (NS_FAILED(err)) {
michael@0:       mask = 128;
michael@0:     }
michael@0:     --slash;
michael@0:   } else {
michael@0:     slash = end;
michael@0:   }
michael@0: 
michael@0:   nsDependentCSubstring ignoreStripped(start, slash);
michael@0:   PRIPv6Addr ignoreAddr, hostAddr;
michael@0:   if (!ConvertToIPV6Addr(ignoreStripped, &ignoreAddr, &mask) ||
michael@0:       !ConvertToIPV6Addr(aHost, &hostAddr, nullptr))
michael@0:     return false;
michael@0: 
michael@0:   proxy_MaskIPv6Addr(ignoreAddr, mask);
michael@0:   proxy_MaskIPv6Addr(hostAddr, mask);
michael@0:   
michael@0:   return memcmp(&ignoreAddr, &hostAddr, sizeof(PRIPv6Addr)) == 0;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsUnixSystemProxySettings::GetProxyFromGConf(const nsACString& aScheme,
michael@0:                                              const nsACString& aHost,
michael@0:                                              int32_t aPort,
michael@0:                                              nsACString& aResult)
michael@0: {
michael@0:   bool masterProxySwitch = false;
michael@0:   mGConf->GetBool(NS_LITERAL_CSTRING("/system/http_proxy/use_http_proxy"), &masterProxySwitch);
michael@0:   // if no proxy is set in GConf return NS_ERROR_FAILURE
michael@0:   if (!(IsProxyMode("manual") || masterProxySwitch)) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0:   
michael@0:   nsCOMPtr<nsIArray> ignoreList;
michael@0:   if (NS_SUCCEEDED(mGConf->GetStringList(NS_LITERAL_CSTRING("/system/http_proxy/ignore_hosts"),
michael@0:                                          getter_AddRefs(ignoreList))) && ignoreList) {
michael@0:     uint32_t len = 0;
michael@0:     ignoreList->GetLength(&len);
michael@0:     for (uint32_t i = 0; i < len; ++i) {
michael@0:       nsCOMPtr<nsISupportsString> str = do_QueryElementAt(ignoreList, i);
michael@0:       if (str) {
michael@0:         nsAutoString s;
michael@0:         if (NS_SUCCEEDED(str->GetData(s)) && !s.IsEmpty()) {
michael@0:           if (HostIgnoredByProxy(NS_ConvertUTF16toUTF8(s), aHost)) {
michael@0:             aResult.AppendLiteral("DIRECT");
michael@0:             return NS_OK;
michael@0:           }
michael@0:         }
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   bool useHttpProxyForAll = false;
michael@0:   // This setting sometimes doesn't exist, don't bail on failure
michael@0:   mGConf->GetBool(NS_LITERAL_CSTRING("/system/http_proxy/use_same_proxy"), &useHttpProxyForAll);
michael@0: 
michael@0:   nsresult rv;
michael@0:   if (!useHttpProxyForAll) {
michael@0:     rv = SetProxyResultFromGConf("/system/proxy/socks_", "SOCKS", aResult);
michael@0:     if (NS_SUCCEEDED(rv))
michael@0:       return rv;
michael@0:   }
michael@0:   
michael@0:   if (aScheme.LowerCaseEqualsLiteral("http") || useHttpProxyForAll) {
michael@0:     rv = SetProxyResultFromGConf("/system/http_proxy/", "PROXY", aResult);
michael@0:   } else if (aScheme.LowerCaseEqualsLiteral("https")) {
michael@0:     rv = SetProxyResultFromGConf("/system/proxy/secure_", "PROXY", aResult);
michael@0:   } else if (aScheme.LowerCaseEqualsLiteral("ftp")) {
michael@0:     rv = SetProxyResultFromGConf("/system/proxy/ftp_", "PROXY", aResult);
michael@0:   } else {
michael@0:     rv = NS_ERROR_FAILURE;
michael@0:   }
michael@0:   
michael@0:   return rv;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsUnixSystemProxySettings::GetProxyFromGSettings(const nsACString& aScheme,
michael@0:                                                  const nsACString& aHost,
michael@0:                                                  int32_t aPort,
michael@0:                                                  nsACString& aResult)
michael@0: {
michael@0:   nsCString proxyMode; 
michael@0:   nsresult rv = mProxySettings->GetString(NS_LITERAL_CSTRING("mode"), proxyMode);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0:   
michael@0:   // return NS_ERROR_FAILURE when no proxy is set
michael@0:   if (!proxyMode.Equals("manual")) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   nsCOMPtr<nsIArray> ignoreList;
michael@0:   if (NS_SUCCEEDED(mProxySettings->GetStringList(NS_LITERAL_CSTRING("ignore-hosts"),
michael@0:                                                  getter_AddRefs(ignoreList))) && ignoreList) {
michael@0:     uint32_t len = 0;
michael@0:     ignoreList->GetLength(&len);
michael@0:     for (uint32_t i = 0; i < len; ++i) {
michael@0:       nsCOMPtr<nsISupportsCString> str = do_QueryElementAt(ignoreList, i);
michael@0:       if (str) {
michael@0:         nsCString s;
michael@0:         if (NS_SUCCEEDED(str->GetData(s)) && !s.IsEmpty()) {
michael@0:           if (HostIgnoredByProxy(s, aHost)) {
michael@0:             aResult.AppendLiteral("DIRECT");
michael@0:             return NS_OK;
michael@0:           }
michael@0:         }
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   if (aScheme.LowerCaseEqualsLiteral("http")) {
michael@0:     rv = SetProxyResultFromGSettings("org.gnome.system.proxy.http", "PROXY", aResult);
michael@0:   } else if (aScheme.LowerCaseEqualsLiteral("https")) {
michael@0:     rv = SetProxyResultFromGSettings("org.gnome.system.proxy.https", "PROXY", aResult);
michael@0:     /* Try to use HTTP proxy when HTTPS proxy is not explicitly defined */
michael@0:     if (rv != NS_OK) 
michael@0:       rv = SetProxyResultFromGSettings("org.gnome.system.proxy.http", "PROXY", aResult);
michael@0:   } else if (aScheme.LowerCaseEqualsLiteral("ftp")) {
michael@0:     rv = SetProxyResultFromGSettings("org.gnome.system.proxy.ftp", "PROXY", aResult);
michael@0:   } else {
michael@0:     rv = NS_ERROR_FAILURE;
michael@0:   }
michael@0:   if (rv != NS_OK) {
michael@0:      /* If proxy for scheme is not specified, use SOCKS proxy for all schemes */
michael@0:      rv = SetProxyResultFromGSettings("org.gnome.system.proxy.socks", "SOCKS", aResult);
michael@0:   }
michael@0:   
michael@0:   if (NS_FAILED(rv)) {
michael@0:     aResult.AppendLiteral("DIRECT");
michael@0:   }
michael@0:   
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsUnixSystemProxySettings::GetProxyForURI(const nsACString & aSpec,
michael@0:                                           const nsACString & aScheme,
michael@0:                                           const nsACString & aHost,
michael@0:                                           const int32_t      aPort,
michael@0:                                           nsACString & aResult)
michael@0: {
michael@0:   if (mProxySettings) {
michael@0:     nsresult rv = GetProxyFromGSettings(aScheme, aHost, aPort, aResult);
michael@0:     if (NS_SUCCEEDED(rv))
michael@0:       return rv;
michael@0:   }
michael@0:   if (mGConf)
michael@0:     return GetProxyFromGConf(aScheme, aHost, aPort, aResult);
michael@0: 
michael@0:   return GetProxyFromEnvironment(aScheme, aHost, aPort, aResult);
michael@0: }
michael@0: 
michael@0: #define NS_UNIXSYSTEMPROXYSERVICE_CID  /* 0fa3158c-d5a7-43de-9181-a285e74cf1d4 */\
michael@0:      { 0x0fa3158c, 0xd5a7, 0x43de, \
michael@0:        {0x91, 0x81, 0xa2, 0x85, 0xe7, 0x4c, 0xf1, 0xd4 } }
michael@0: 
michael@0: NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsUnixSystemProxySettings, Init)
michael@0: NS_DEFINE_NAMED_CID(NS_UNIXSYSTEMPROXYSERVICE_CID);
michael@0: 
michael@0: static const mozilla::Module::CIDEntry kUnixProxyCIDs[] = {
michael@0:   { &kNS_UNIXSYSTEMPROXYSERVICE_CID, false, nullptr, nsUnixSystemProxySettingsConstructor },
michael@0:   { nullptr }
michael@0: };
michael@0: 
michael@0: static const mozilla::Module::ContractIDEntry kUnixProxyContracts[] = {
michael@0:   { NS_SYSTEMPROXYSETTINGS_CONTRACTID, &kNS_UNIXSYSTEMPROXYSERVICE_CID },
michael@0:   { nullptr }
michael@0: };
michael@0: 
michael@0: static const mozilla::Module kUnixProxyModule = {
michael@0:   mozilla::Module::kVersion,
michael@0:   kUnixProxyCIDs,
michael@0:   kUnixProxyContracts
michael@0: };
michael@0: 
michael@0: NSMODULE_DEFN(nsUnixProxyModule) = &kUnixProxyModule;