1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/network/src/NetUtils.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,190 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include "NetUtils.h"
1.9 +#include <dlfcn.h>
1.10 +#include <errno.h>
1.11 +#include <cutils/properties.h>
1.12 +#include "prinit.h"
1.13 +#include "mozilla/Assertions.h"
1.14 +#include "nsDebug.h"
1.15 +
1.16 +static void* sNetUtilsLib;
1.17 +static PRCallOnceType sInitNetUtilsLib;
1.18 +
1.19 +static PRStatus
1.20 +InitNetUtilsLib()
1.21 +{
1.22 + sNetUtilsLib = dlopen("/system/lib/libnetutils.so", RTLD_LAZY);
1.23 + // We might fail to open the hardware lib. That's OK.
1.24 + return PR_SUCCESS;
1.25 +}
1.26 +
1.27 +static void*
1.28 +GetNetUtilsLibHandle()
1.29 +{
1.30 + PR_CallOnce(&sInitNetUtilsLib, InitNetUtilsLib);
1.31 + return sNetUtilsLib;
1.32 +}
1.33 +
1.34 +// static
1.35 +void*
1.36 +NetUtils::GetSharedLibrary()
1.37 +{
1.38 + void* netLib = GetNetUtilsLibHandle();
1.39 + if (!netLib) {
1.40 + NS_WARNING("No /system/lib/libnetutils.so");
1.41 + }
1.42 + return netLib;
1.43 +}
1.44 +
1.45 +// static
1.46 +int32_t
1.47 +NetUtils::SdkVersion()
1.48 +{
1.49 + char propVersion[PROPERTY_VALUE_MAX];
1.50 + property_get("ro.build.version.sdk", propVersion, "0");
1.51 + int32_t version = strtol(propVersion, nullptr, 10);
1.52 + return version;
1.53 +}
1.54 +
1.55 +DEFINE_DLFUNC(ifc_enable, int32_t, const char*)
1.56 +DEFINE_DLFUNC(ifc_disable, int32_t, const char*)
1.57 +DEFINE_DLFUNC(ifc_configure, int32_t, const char*, in_addr_t, uint32_t,
1.58 + in_addr_t, in_addr_t, in_addr_t)
1.59 +DEFINE_DLFUNC(ifc_reset_connections, int32_t, const char*, const int32_t)
1.60 +DEFINE_DLFUNC(ifc_set_default_route, int32_t, const char*, in_addr_t)
1.61 +DEFINE_DLFUNC(ifc_add_route, int32_t, const char*, const char*, uint32_t, const char*)
1.62 +DEFINE_DLFUNC(ifc_remove_route, int32_t, const char*, const char*, uint32_t, const char*)
1.63 +DEFINE_DLFUNC(ifc_remove_host_routes, int32_t, const char*)
1.64 +DEFINE_DLFUNC(ifc_remove_default_route, int32_t, const char*)
1.65 +DEFINE_DLFUNC(dhcp_stop, int32_t, const char*)
1.66 +
1.67 +int32_t NetUtils::do_ifc_enable(const char *ifname)
1.68 +{
1.69 + USE_DLFUNC(ifc_enable)
1.70 + return ifc_enable(ifname);
1.71 +}
1.72 +
1.73 +int32_t NetUtils::do_ifc_disable(const char *ifname)
1.74 +{
1.75 + USE_DLFUNC(ifc_disable)
1.76 + return ifc_disable(ifname);
1.77 +}
1.78 +
1.79 +int32_t NetUtils::do_ifc_configure(const char *ifname,
1.80 + in_addr_t address,
1.81 + uint32_t prefixLength,
1.82 + in_addr_t gateway,
1.83 + in_addr_t dns1,
1.84 + in_addr_t dns2)
1.85 +{
1.86 + USE_DLFUNC(ifc_configure)
1.87 + int32_t ret = ifc_configure(ifname, address, prefixLength, gateway, dns1, dns2);
1.88 + return ret;
1.89 +}
1.90 +
1.91 +int32_t NetUtils::do_ifc_reset_connections(const char *ifname,
1.92 + const int32_t resetMask)
1.93 +{
1.94 + USE_DLFUNC(ifc_reset_connections)
1.95 + return ifc_reset_connections(ifname, resetMask);
1.96 +}
1.97 +
1.98 +int32_t NetUtils::do_ifc_set_default_route(const char *ifname,
1.99 + in_addr_t gateway)
1.100 +{
1.101 + USE_DLFUNC(ifc_set_default_route)
1.102 + return ifc_set_default_route(ifname, gateway);
1.103 +}
1.104 +
1.105 +int32_t NetUtils::do_ifc_add_route(const char *ifname,
1.106 + const char *dst,
1.107 + uint32_t prefixLength,
1.108 + const char *gateway)
1.109 +{
1.110 + USE_DLFUNC(ifc_add_route)
1.111 + return ifc_add_route(ifname, dst, prefixLength, gateway);
1.112 +}
1.113 +
1.114 +int32_t NetUtils::do_ifc_remove_route(const char *ifname,
1.115 + const char *dst,
1.116 + uint32_t prefixLength,
1.117 + const char *gateway)
1.118 +{
1.119 + USE_DLFUNC(ifc_remove_route)
1.120 + return ifc_remove_route(ifname, dst, prefixLength, gateway);
1.121 +}
1.122 +
1.123 +int32_t NetUtils::do_ifc_remove_host_routes(const char *ifname)
1.124 +{
1.125 + USE_DLFUNC(ifc_remove_host_routes)
1.126 + return ifc_remove_host_routes(ifname);
1.127 +}
1.128 +
1.129 +int32_t NetUtils::do_ifc_remove_default_route(const char *ifname)
1.130 +{
1.131 + USE_DLFUNC(ifc_remove_default_route)
1.132 + return ifc_remove_default_route(ifname);
1.133 +}
1.134 +
1.135 +int32_t NetUtils::do_dhcp_stop(const char *ifname)
1.136 +{
1.137 + USE_DLFUNC(dhcp_stop)
1.138 + return dhcp_stop(ifname);
1.139 +}
1.140 +
1.141 +int32_t NetUtils::do_dhcp_do_request(const char *ifname,
1.142 + char *ipaddr,
1.143 + char *gateway,
1.144 + uint32_t *prefixLength,
1.145 + char *dns1,
1.146 + char *dns2,
1.147 + char *server,
1.148 + uint32_t *lease,
1.149 + char* vendorinfo)
1.150 +{
1.151 + int32_t ret = -1;
1.152 + uint32_t sdkVersion = SdkVersion();
1.153 +
1.154 + if (sdkVersion == 15) {
1.155 + // ICS
1.156 + // http://androidxref.com/4.0.4/xref/system/core/libnetutils/dhcp_utils.c#149
1.157 + DEFINE_DLFUNC(dhcp_do_request, int32_t, const char*, char*, char*, uint32_t*, char*, char*, char*, uint32_t*)
1.158 + USE_DLFUNC(dhcp_do_request)
1.159 + vendorinfo[0] = '\0';
1.160 +
1.161 + ret = dhcp_do_request(ifname, ipaddr, gateway, prefixLength, dns1, dns2,
1.162 + server, lease);
1.163 + } else if (sdkVersion == 16 || sdkVersion == 17) {
1.164 + // JB 4.1 and 4.2
1.165 + // http://androidxref.com/4.1.2/xref/system/core/libnetutils/dhcp_utils.c#175
1.166 + // http://androidxref.com/4.2.2_r1/xref/system/core/include/netutils/dhcp.h#26
1.167 + DEFINE_DLFUNC(dhcp_do_request, int32_t, const char*, char*, char*, uint32_t*, char*, char*, char*, uint32_t*, char*)
1.168 + USE_DLFUNC(dhcp_do_request)
1.169 + ret = dhcp_do_request(ifname, ipaddr, gateway, prefixLength, dns1, dns2,
1.170 + server, lease, vendorinfo);
1.171 + } else if (sdkVersion == 18) {
1.172 + // JB 4.3
1.173 + // http://androidxref.com/4.3_r2.1/xref/system/core/libnetutils/dhcp_utils.c#181
1.174 + DEFINE_DLFUNC(dhcp_do_request, int32_t, const char*, char*, char*, uint32_t*, char**, char*, uint32_t*, char*, char*)
1.175 + USE_DLFUNC(dhcp_do_request)
1.176 + char *dns[3] = {dns1, dns2, nullptr};
1.177 + char domains[PROPERTY_VALUE_MAX];
1.178 + ret = dhcp_do_request(ifname, ipaddr, gateway, prefixLength, dns,
1.179 + server, lease, vendorinfo, domains);
1.180 + } else if (sdkVersion == 19) {
1.181 + // JB 4.4
1.182 + // http://androidxref.com/4.4_r1/xref/system/core/libnetutils/dhcp_utils.c#18
1.183 + DEFINE_DLFUNC(dhcp_do_request, int32_t, const char*, char*, char*, uint32_t*, char**, char*, uint32_t*, char*, char*, char*)
1.184 + USE_DLFUNC(dhcp_do_request)
1.185 + char *dns[3] = {dns1, dns2, nullptr};
1.186 + char domains[PROPERTY_VALUE_MAX];
1.187 + char mtu[PROPERTY_VALUE_MAX];
1.188 + ret = dhcp_do_request(ifname, ipaddr, gateway, prefixLength, dns, server, lease, vendorinfo, domains, mtu);
1.189 + } else {
1.190 + NS_WARNING("Unable to perform do_dhcp_request: unsupported sdk version!");
1.191 + }
1.192 + return ret;
1.193 +}
