kernel_proxy.cc revision 8bcbed890bc3ce4d7a057a8f32cab53fa534672e
1ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch// Use of this source code is governed by a BSD-style license that can be 3ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch// found in the LICENSE file. 4ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/kernel_proxy.h" 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <assert.h> 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <errno.h> 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <fcntl.h> 103240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch#include <limits.h> 113240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch#include <poll.h> 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <pthread.h> 13a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include <stdio.h> 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <string.h> 153240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch#include <sys/time.h> 163551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include <unistd.h> 173240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <iterator> 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <string> 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 21bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch#include "nacl_io/host_resolver.h" 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/kernel_handle.h" 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/kernel_wrap_real.h" 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/mount.h" 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/mount_dev.h" 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/mount_html5fs.h" 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/mount_http.h" 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/mount_mem.h" 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/mount_node.h" 3068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#include "nacl_io/mount_node_pipe.h" 313551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "nacl_io/mount_node_tcp.h" 323551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "nacl_io/mount_node_udp.h" 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/mount_passthrough.h" 3468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#include "nacl_io/mount_stream.h" 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/osmman.h" 36a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "nacl_io/ossocket.h" 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/osstat.h" 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/path.h" 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "nacl_io/pepper_interface.h" 40eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "nacl_io/typed_mount_factory.h" 41868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "sdk_util/auto_lock.h" 42868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "sdk_util/ref_object.h" 4358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "sdk_util/string_util.h" 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#ifndef MAXPATHLEN 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define MAXPATHLEN 256 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 49ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdochnamespace nacl_io { 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 513551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 523551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)KernelProxy::KernelProxy() : dev_(0), ppapi_(NULL), 533551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) sigwinch_handler_(SIG_IGN), 5468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) signal_emitter_(new EventEmitter) { 553551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 567dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch} 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 58eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen MurdochKernelProxy::~KernelProxy() { 59eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // Clean up the MountFactories. 60eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch for (MountFactoryMap_t::iterator i = factories_.begin(); 61eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch i != factories_.end(); 62eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ++i) { 63eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch delete i->second; 64eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch } 65eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 66eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch delete ppapi_; 67eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)Error KernelProxy::Init(PepperInterface* ppapi) { 7058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) Error rtn = 0; 712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ppapi_ = ppapi; 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) dev_ = 1; 732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 74eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch factories_["memfs"] = new TypedMountFactory<MountMem>; 75eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch factories_["dev"] = new TypedMountFactory<MountDev>; 76eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch factories_["html5fs"] = new TypedMountFactory<MountHtml5Fs>; 77eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch factories_["httpfs"] = new TypedMountFactory<MountHttp>; 78eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch factories_["passthroughfs"] = new TypedMountFactory<MountPassthrough>; 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 80868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int result; 81868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) result = mount("", "/", "passthroughfs", 0, NULL); 8258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (result != 0) { 8358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) assert(false); 8458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) rtn = errno; 8558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 86868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 87868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) result = mount("", "/dev", "dev", 0, NULL); 8858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (result != 0) { 8958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) assert(false); 9058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) rtn = errno; 9158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Open the first three in order to get STDIN, STDOUT, STDERR 9458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) int fd; 9558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) fd = open("/dev/stdin", O_RDONLY); 9658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) assert(fd == 0); 9758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (fd < 0) 9858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) rtn = errno; 9958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 10058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) fd = open("/dev/stdout", O_WRONLY); 10158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) assert(fd == 1); 10258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (fd < 0) 10358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) rtn = errno; 10458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 10558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) fd = open("/dev/stderr", O_WRONLY); 10658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) assert(fd == 2); 10758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (fd < 0) 10858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) rtn = errno; 109bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 110bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch#ifdef PROVIDES_SOCKET_API 111bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch host_resolver_.Init(ppapi_); 112bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch#endif 1133551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 1143551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) StringMap_t args; 11568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) stream_mount_.reset(new MountStream()); 11668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) result = stream_mount_->Init(0, args, ppapi); 11758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (result != 0) { 11858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) assert(false); 11958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) rtn = result; 12058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 12158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 12258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return rtn; 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1257dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochint KernelProxy::open_resource(const char* path) { 1267dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch ScopedMount mnt; 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Path rel; 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1297dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Error error = AcquireMountAndRelPath(path, &mnt, &rel); 130868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 131868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 132868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 133868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 1342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 135eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedMountNode node; 1367dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = mnt->OpenResource(rel, &node); 1377dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (error) { 1387dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // OpenResource failed, try Open(). 1397dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = mnt->Open(rel, O_RDONLY, &node); 1407dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (error) { 1417dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch errno = error; 1427dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return -1; 1437dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 1447dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 1457dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 1467dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch ScopedKernelHandle handle(new KernelHandle(mnt, node)); 1477dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = handle->Init(O_RDONLY); 1487dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (error) { 1497dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch errno = error; 1507dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return -1; 1517dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 1527dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 1537dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return AllocateFD(handle); 1547dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch} 1557dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 1564e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)int KernelProxy::open(const char* path, int open_flags) { 1577dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch ScopedMount mnt; 1587dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch ScopedMountNode node; 1597dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 1604e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error error = AcquireMountAndNode(path, open_flags, &mnt, &node); 161868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 162868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 163868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 164868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 165868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 166eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle(new KernelHandle(mnt, node)); 1674e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) error = handle->Init(open_flags); 168868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 169868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 1702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return -1; 1712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 173eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return AllocateFD(handle); 1742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)int KernelProxy::pipe(int pipefds[2]) { 17768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) MountNodePipe* pipe = new MountNodePipe(stream_mount_.get()); 17868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) ScopedMountNode node(pipe); 17968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 18068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (pipe->Init(S_IREAD | S_IWRITE) == 0) { 18168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) ScopedKernelHandle handle0(new KernelHandle(stream_mount_, node)); 18268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) ScopedKernelHandle handle1(new KernelHandle(stream_mount_, node)); 18368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 18468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) // Should never fail, but... 18568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (handle0->Init(S_IREAD) || handle1->Init(S_IWRITE)) { 18668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) errno = EACCES; 18768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) return -1; 18868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) } 18968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 19068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) pipefds[0] = AllocateFD(handle0); 19168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) pipefds[1] = AllocateFD(handle1); 19268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) return 0; 19368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) } 19468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 19568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) errno = ENOSYS; 19668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) return -1; 19768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)} 19868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 1992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::close(int fd) { 200eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 201868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 202868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 203868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 204868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 205868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 2062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 207eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // Remove the FD from the process open file descriptor map 2082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FreeFD(fd); 2092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 2102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::dup(int oldfd) { 213eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 214868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(oldfd, &handle); 215868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 216868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 217868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 218868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 2192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 220eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return AllocateFD(handle); 2212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::dup2(int oldfd, int newfd) { 2242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If it's the same file handle, just return 225868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (oldfd == newfd) 226868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return newfd; 2272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 228eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle old_handle; 229868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(oldfd, &old_handle); 230868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 231868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 232868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 233868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 2342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FreeAndReassignFD(newfd, old_handle); 2362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return newfd; 2372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2397dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochint KernelProxy::chdir(const char* path) { 2407dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Error error = SetCWD(path); 2417dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (error) { 2427dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch errno = error; 2437dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return -1; 2447dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 2457dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return 0; 2467dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch} 2477dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 2482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)char* KernelProxy::getcwd(char* buf, size_t size) { 2497dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch std::string cwd = GetCWD(); 2507dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 2512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (size <= 0) { 2522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) errno = EINVAL; 2532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return NULL; 2542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2557dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 2562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If size is 0, allocate as much as we need. 2572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (size == 0) { 2587dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch size = cwd.size() + 1; 2592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Verify the buffer is large enough 2627dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (size <= cwd.size()) { 2632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) errno = ERANGE; 2642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return NULL; 2652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Allocate the buffer if needed 2682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (buf == NULL) { 2692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) buf = static_cast<char*>(malloc(size)); 2702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2727dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch strcpy(buf, cwd.c_str()); 2732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return buf; 2742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)char* KernelProxy::getwd(char* buf) { 2772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (NULL == buf) { 2782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) errno = EFAULT; 2792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return NULL; 2802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return getcwd(buf, MAXPATHLEN); 2822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 284868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)int KernelProxy::chmod(const char* path, mode_t mode) { 285eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch int fd = KernelProxy::open(path, O_RDONLY); 286868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (-1 == fd) 287868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 2882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 289868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int result = fchmod(fd, mode); 2902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) close(fd); 291868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return result; 2922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 294eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochint KernelProxy::chown(const char* path, uid_t owner, gid_t group) { 295eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 296eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 297eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 298eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochint KernelProxy::fchown(int fd, uid_t owner, gid_t group) { 299eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 300eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 301eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 302eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochint KernelProxy::lchown(const char* path, uid_t owner, gid_t group) { 303eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 304eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 305eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 306eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochint KernelProxy::utime(const char* filename, const struct utimbuf* times) { 307eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 308eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 309eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 310868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)int KernelProxy::mkdir(const char* path, mode_t mode) { 311eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedMount mnt; 3122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Path rel; 3137dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3147dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Error error = AcquireMountAndRelPath(path, &mnt, &rel); 315868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 316868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 317868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 318868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 319868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 320868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) error = mnt->Mkdir(rel, mode); 321868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 322868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 323eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 324868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 3252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 326eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 3272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 329868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)int KernelProxy::rmdir(const char* path) { 330eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedMount mnt; 3312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Path rel; 3327dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3337dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Error error = AcquireMountAndRelPath(path, &mnt, &rel); 334868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 335868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 336868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 337868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 338868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 339868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) error = mnt->Rmdir(rel); 340868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 341868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 342eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 343868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 3442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 345eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 3462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 348868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)int KernelProxy::stat(const char* path, struct stat* buf) { 3492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int fd = open(path, O_RDONLY); 350868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (-1 == fd) 351868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 3522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 353868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int result = fstat(fd, buf); 3542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) close(fd); 355868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return result; 3562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 359868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)int KernelProxy::mount(const char* source, 360868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) const char* target, 361868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) const char* filesystemtype, 362868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) unsigned long mountflags, 363868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) const void* data) { 3647dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch std::string abs_path = GetAbsParts(target).Join(); 3652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Find a factory of that type 3672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MountFactoryMap_t::iterator factory = factories_.find(filesystemtype); 3682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (factory == factories_.end()) { 3692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) errno = ENODEV; 3702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return -1; 3712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3737dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // Create a map of settings 3742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) StringMap_t smap; 3752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) smap["SOURCE"] = source; 3767dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch smap["TARGET"] = abs_path; 3772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (data) { 37958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) std::vector<std::string> elements; 38058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) sdk_util::SplitString(static_cast<const char*>(data), ',', &elements); 38158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 38258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) for (std::vector<std::string>::const_iterator it = elements.begin(); 38358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) it != elements.end(); ++it) { 38458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) size_t location = it->find('='); 38558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (location != std::string::npos) { 38658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) std::string key = it->substr(0, location); 38758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) std::string val = it->substr(location + 1); 38858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) smap[key] = val; 3892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 39058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) smap[*it] = "TRUE"; 3912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3957dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch ScopedMount mnt; 3967dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Error error = factory->second->CreateMount(dev_++, smap, ppapi_, &mnt); 3977dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (error) { 3987dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch errno = error; 3997dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return -1; 4007dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 4017dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 4027dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = AttachMountAtPath(mnt, abs_path); 403868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 404868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 405868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 4062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 407868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 408868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return 0; 4092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 411868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)int KernelProxy::umount(const char* path) { 4127dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Error error = DetachMountAtPath(path); 4137dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (error) { 4147dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch errno = error; 4152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return -1; 4162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 4172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 4182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 420868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)ssize_t KernelProxy::read(int fd, void* buf, size_t nbytes) { 421eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 422868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 423868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 424868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 425868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 426868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 4272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 428868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int cnt = 0; 4297dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = handle->Read(buf, nbytes, &cnt); 430eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (error) { 431868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 432eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 433eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch } 434868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 4352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return cnt; 4362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 438868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)ssize_t KernelProxy::write(int fd, const void* buf, size_t nbytes) { 439eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 440868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 441868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 442868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 443868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 444868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 4452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 446868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int cnt = 0; 4477dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = handle->Write(buf, nbytes, &cnt); 448eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (error) { 449868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 450eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 451eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch } 452868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 4532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return cnt; 4542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::fstat(int fd, struct stat* buf) { 457eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 458868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 459868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 460868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 461868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 462868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 4632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4647dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = handle->node()->GetStat(buf); 465868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 466868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 467eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 468868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 4692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 470eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 4712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::getdents(int fd, void* buf, unsigned int count) { 474eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 475868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 476868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 477868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 478868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 479868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 4802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 481868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int cnt = 0; 4827dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = handle->GetDents(static_cast<dirent*>(buf), count, &cnt); 483868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) 484868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 4852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return cnt; 4872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4898bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)int KernelProxy::fchdir(int fd) { 4908bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) errno = ENOSYS; 4918bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return -1; 4928bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 4938bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 49490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)int KernelProxy::ftruncate(int fd, off_t length) { 495eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 496868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 497868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 498868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 499868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 500868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 50190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 5027dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = handle->node()->FTruncate(length); 503868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 504868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 505eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 506868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 50790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 508eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 50990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 51090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 5112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::fsync(int fd) { 512eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 513868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 514868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 515868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 516868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 517868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 5182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5197dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = handle->node()->FSync(); 520868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 521868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 522eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 523868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 5242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 525eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 5262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5288bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)int KernelProxy::fdatasync(int fd) { 5298bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) errno = ENOSYS; 5308bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return -1; 5318bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 5328bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 5332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::isatty(int fd) { 534eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 535868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 536868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 537868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 538868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 539868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 5402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5417dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = handle->node()->IsaTTY(); 542868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 543868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 544eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 545868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 5462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 547eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 548eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 549eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 5504e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)int KernelProxy::ioctl(int fd, int request, va_list args) { 551eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 552bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch Error error = AcquireHandle(fd, &handle); 553eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (error) { 554eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch errno = error; 555eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 556eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch } 557eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 5584e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) error = handle->node()->VIoctl(request, args); 559eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (error) { 560eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch errno = error; 561eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 562eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch } 563eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 564eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 5652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)off_t KernelProxy::lseek(int fd, off_t offset, int whence) { 568eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 569868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 570868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 571868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 572868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 573868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 574c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 575868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) off_t new_offset; 576868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) error = handle->Seek(offset, whence, &new_offset); 577868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 578868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 579eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 580868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 5812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 582868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return new_offset; 5832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::unlink(const char* path) { 586eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedMount mnt; 5872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Path rel; 5887dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 5897dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Error error = AcquireMountAndRelPath(path, &mnt, &rel); 590868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 591868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 592868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 593868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 594868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 595868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) error = mnt->Unlink(rel); 596868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 597868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 598eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 599868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 6002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 601eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 6022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6048bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)int KernelProxy::truncate(const char* path, off_t len) { 6058bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) errno = ENOSYS; 6068bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return -1; 6078bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 6088bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 6098bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)int KernelProxy::lstat(const char* path, struct stat* buf) { 6108bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) errno = ENOSYS; 6118bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return -1; 6128bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 6138bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 6148bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)int KernelProxy::rename(const char* path, const char* newpath) { 6158bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) errno = ENOSYS; 6168bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return -1; 6178bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 6188bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 6192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::remove(const char* path) { 620eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedMount mnt; 6212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Path rel; 6227dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 6237dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Error error = AcquireMountAndRelPath(path, &mnt, &rel); 624868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 625868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 626868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return -1; 627868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 628868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 629868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) error = mnt->Remove(rel); 630868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 631868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 632eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 633868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 6342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 635eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 6362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// TODO(noelallen): Needs implementation. 6392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::fchmod(int fd, int mode) { 640eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 641eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch Error error = AcquireHandle(fd, &handle); 642eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (error) { 643eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch errno = error; 644eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 645eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch } 646eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 647eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 6482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6504e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)int KernelProxy::fcntl(int fd, int request, va_list args) { 65168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) ScopedKernelHandle handle; 65268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 65368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (error) { 65468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) errno = error; 65568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) return -1; 65668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) } 65768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 6584e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) int rtn = 0; 6594e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) error = handle->VFcntl(request, &rtn, args); 6604e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error) { 6614e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 6624e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return -1; 6634e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 6644e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 6654e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return rtn; 66668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)} 66768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 6682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::access(const char* path, int amode) { 6697dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch ScopedMount mnt; 670eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch Path rel; 671eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 6727dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Error error = AcquireMountAndRelPath(path, &mnt, &rel); 673eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (error) { 674eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch errno = error; 675eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 676eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch } 677eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 678eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch error = mnt->Access(rel, amode); 679eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (error) { 680eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch errno = error; 681eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return -1; 682eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch } 683eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return 0; 6842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6868bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)int KernelProxy::readlink(const char *path, char *buf, size_t count) { 6878bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) errno = EINVAL; 6888bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return -1; 6898bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 6908bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 6918bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)int KernelProxy::utimes(const char *filename, const struct timeval times[2]) { 6928bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) errno = EINVAL; 6938bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return -1; 6948bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 6958bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 696eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch// TODO(noelallen): Needs implementation. 6972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::link(const char* oldpath, const char* newpath) { 6982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) errno = EINVAL; 6992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return -1; 7002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::symlink(const char* oldpath, const char* newpath) { 7032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) errno = EINVAL; 7042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return -1; 7052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 707868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)void* KernelProxy::mmap(void* addr, 708868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) size_t length, 709868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int prot, 710868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int flags, 711868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int fd, 7122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t offset) { 7132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We shouldn't be getting anonymous mmaps here. 7142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) assert((flags & MAP_ANONYMOUS) == 0); 7152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) assert(fd != -1); 7162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 717eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ScopedKernelHandle handle; 718868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) Error error = AcquireHandle(fd, &handle); 719868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (error) { 720868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) errno = error; 7212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return MAP_FAILED; 722868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 7232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void* new_addr; 7257dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch error = handle->node()->MMap(addr, length, prot, flags, offset, &new_addr); 726eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (error) { 727eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch errno = error; 728eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return MAP_FAILED; 7292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 7302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return new_addr; 7322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int KernelProxy::munmap(void* addr, size_t length) { 73590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // NOTE: The comment below is from a previous discarded implementation that 73690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // tracks mmap'd regions. For simplicity, we no longer do this; because we 73790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // "snapshot" the contents of the file in mmap(), and don't support 73890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // write-back or updating the mapped region when the file is written, holding 73990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // on to the KernelHandle is pointless. 74090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // 74190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // If we ever do, these threading issues should be considered. 74290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 74390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // 74490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // WARNING: this function may be called by free(). 74590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // 74690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // There is a potential deadlock scenario: 74790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Thread 1: open() -> takes lock1 -> free() -> takes lock2 74890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Thread 2: free() -> takes lock2 -> munmap() -> takes lock1 74990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // 75090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Note that open() above could be any function that takes a lock that is 75190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // shared with munmap (this includes munmap!) 75290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // 75390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // To prevent this, we avoid taking locks in munmap() that are used by other 75490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // nacl_io functions that may call free. Specifically, we only take the 75590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // mmap_lock, which is only shared with mmap() above. There is still a 75690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // possibility of deadlock if mmap() or munmap() calls free(), so this is not 75790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // allowed. 75890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // 75990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Unfortunately, munmap still needs to acquire other locks; see the call to 76090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // ReleaseHandle below which takes the process lock. This is safe as long as 76190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // this is never executed from free() -- we can be reasonably sure this is 76290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // true, because malloc only makes anonymous mmap() requests, and should only 76390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // be munmapping those allocations. We never add to mmap_info_list_ for 76490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // anonymous maps, so the unmap_list should always be empty when called from 76590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // free(). 7662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 7672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 769bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdochint KernelProxy::tcflush(int fd, int queue_selector) { 770bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch ScopedKernelHandle handle; 771bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch Error error = AcquireHandle(fd, &handle); 772bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch if (error) { 773bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch errno = error; 774bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return -1; 775bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch } 776bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 777bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch error = handle->node()->Tcflush(queue_selector); 778bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch if (error) { 779bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch errno = error; 780bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return -1; 781bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch } 782bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 783bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return 0; 784bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch} 785bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 786bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdochint KernelProxy::tcgetattr(int fd, struct termios* termios_p) { 787bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch ScopedKernelHandle handle; 788bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch Error error = AcquireHandle(fd, &handle); 789bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch if (error) { 790bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch errno = error; 791bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return -1; 792bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch } 793bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 794bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch error = handle->node()->Tcgetattr(termios_p); 795bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch if (error) { 796bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch errno = error; 797bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return -1; 798bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch } 799bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 800bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return 0; 801bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch} 802bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 803bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdochint KernelProxy::tcsetattr(int fd, int optional_actions, 804bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch const struct termios *termios_p) { 805bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch ScopedKernelHandle handle; 806bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch Error error = AcquireHandle(fd, &handle); 807bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch if (error) { 808bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch errno = error; 809bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return -1; 810bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch } 811bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 812bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch error = handle->node()->Tcsetattr(optional_actions, termios_p); 813bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch if (error) { 814bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch errno = error; 815bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return -1; 816bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch } 817bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 818bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return 0; 819bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch} 820bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 8213551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)int KernelProxy::kill(pid_t pid, int sig) { 8223551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // Currently we don't even pretend that other processes exist 8233551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // so we can only send a signal to outselves. For kill(2) 8243551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // pid 0 means the current process group and -1 means all the 8253551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // processes we have permission to send signals to. 8263551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (pid != getpid() && pid != -1 && pid != 0) { 8273551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) errno = ESRCH; 8283551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 8293551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 8303551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 8313551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // Raise an event so that select/poll get interrupted. 83268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) AUTO_LOCK(signal_emitter_->GetLock()) 83368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) signal_emitter_->RaiseEvents_Locked(POLLERR); 8343551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) switch (sig) { 8353551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGWINCH: 8363551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (sigwinch_handler_ != SIG_IGN) 8373551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) sigwinch_handler_(SIGWINCH); 8383551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) break; 8393551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 8403551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGUSR1: 8413551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGUSR2: 8423551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) break; 8433551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 8443551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) default: 8453551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) errno = EINVAL; 8463551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 8473551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 8483551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return 0; 8493551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)} 8503551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 8513551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)sighandler_t KernelProxy::sigset(int signum, sighandler_t handler) { 8523551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) switch (signum) { 8533551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // Handled signals. 8543551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGWINCH: { 8553551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) sighandler_t old_value = sigwinch_handler_; 8563551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (handler == SIG_DFL) 8573551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) handler = SIG_IGN; 8583551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) sigwinch_handler_ = handler; 8593551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return old_value; 8603551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 8613551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 8623551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // Known signals 8633551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGHUP: 8643551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGINT: 8653551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGKILL: 8663551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGPIPE: 8673551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGPOLL: 8683551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGPROF: 8693551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGTERM: 8703551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGCHLD: 8713551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGURG: 8723551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGFPE: 8733551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGILL: 8743551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGQUIT: 8753551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGSEGV: 8763551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SIGTRAP: 8773551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (handler == SIG_DFL) 8783551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return SIG_DFL; 8793551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) break; 8803551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 8813551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 8823551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) errno = EINVAL; 8833551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return SIG_ERR; 8843551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)} 8853551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 886a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#ifdef PROVIDES_SOCKET_API 887ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 8883240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdochint KernelProxy::select(int nfds, fd_set* readfds, fd_set* writefds, 8893240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch fd_set* exceptfds, struct timeval* timeout) { 89068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) fd_set ignore; 89168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) std::vector<pollfd> pollfds; 89268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 89368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) // Simplify logic, by using an IGNORE set for any undefined set 89468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) FD_ZERO(&ignore); 89568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (NULL == readfds) 89668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) readfds = &ignore; 89768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (NULL == writefds) 89868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) writefds = &ignore; 89968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (NULL == exceptfds) 90068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) exceptfds = &ignore; 90168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 90268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) for (int fd = 0; fd < nfds; fd++) { 9033240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch int events = 0; 90468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (FD_ISSET(fd, readfds)) 9053240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch events |= POLLIN; 9063240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 90768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (FD_ISSET(fd, writefds)) 9083240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch events |= POLLOUT; 9093240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 91068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (FD_ISSET(fd, exceptfds)) 9113240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch events |= POLLERR | POLLHUP; 9123240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 91368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (events) { 91468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) pollfd info; 91568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) info.fd = fd; 91668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) info.events = events; 91768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) pollfds.push_back(info); 9183240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 91968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) } 9203240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 92168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) FD_ZERO(readfds); 92268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) FD_ZERO(writefds); 92368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) FD_ZERO(exceptfds); 9243240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 92568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) // NULL timeout signals wait forever. 92668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) int ms_timeout = -1; 92768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (timeout != NULL) { 92868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) int64_t ms = timeout->tv_sec * 1000 + ((timeout->tv_usec + 500) / 1000); 9293240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 93068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) // If the timeout is invalid or too long (larger than signed 32 bit). 93168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if ((timeout->tv_sec < 0) || (timeout->tv_sec >= (INT_MAX / 1000)) || 93268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) (timeout->tv_usec < 0) || (timeout->tv_usec >= 1000000) || 93368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) (ms < 0) || (ms >= INT_MAX)) { 93468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) errno = EINVAL; 93568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) return -1; 9363240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 9373240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 93868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) ms_timeout = static_cast<int>(ms); 9393240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 9403240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 94168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) int result = poll(&pollfds[0], pollfds.size(), ms_timeout); 94268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (result == -1) 94368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) return -1; 9443240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 94568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) int event_cnt = 0; 94668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) for (size_t index = 0; index < pollfds.size(); index++) { 94768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) pollfd* info = &pollfds[index]; 94868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (info->revents & POLLIN) { 94968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) FD_SET(info->fd, readfds); 95068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) event_cnt++; 9513240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 95268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (info->revents & POLLOUT) { 95368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) FD_SET(info->fd, writefds); 95468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) event_cnt++; 9553240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 95668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (info->revents & (POLLHUP | POLLERR)) { 95768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) FD_SET(info->fd, exceptfds); 95868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) event_cnt++; 9593551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 9603240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 9613240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 96268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) return event_cnt; 96368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)} 9643240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 96568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)struct PollInfo { 96668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) PollInfo() : index(-1) {}; 9673240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 96868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) std::vector<struct pollfd*> fds; 96968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) int index; 97068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)}; 9713240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 97268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)typedef std::map<EventEmitter*, PollInfo> EventPollMap_t; 9733240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 9743240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdochint KernelProxy::poll(struct pollfd *fds, nfds_t nfds, int timeout) { 97568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) EventPollMap_t event_map; 9763240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 97768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) std::vector<EventRequest> requests; 9783240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch size_t event_cnt = 0; 97968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 98068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) for (int index = 0; static_cast<nfds_t>(index) < nfds; index++) { 9813240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch ScopedKernelHandle handle; 98268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) struct pollfd* fd_info = &fds[index]; 98368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) Error err = AcquireHandle(fd_info->fd, &handle); 98468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 98568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) fd_info->revents = 0; 9863240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 9873240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch // If the node isn't open, or somehow invalid, mark it so. 9883240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch if (err != 0) { 98968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) fd_info->revents = POLLNVAL; 9903240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch event_cnt++; 9913240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch continue; 9923240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 9933240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 9943240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch // If it's already signaled, then just capture the event 99568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) ScopedEventEmitter emitter(handle->node()->GetEventEmitter()); 99668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) int events = POLLIN | POLLOUT; 99768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (emitter) 99868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) events = emitter->GetEventStatus(); 99968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 100068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (events & fd_info->events) { 100168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) fd_info->revents = events & fd_info->events; 10023240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch event_cnt++; 10033240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch continue; 10043240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 10053240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 100668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (NULL == emitter) { 100768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) fd_info->revents = POLLNVAL; 10083240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch event_cnt++; 10093240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch continue; 10103240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 101168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 101268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) // Otherwise try to track it. 101368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) PollInfo* info = &event_map[emitter.get()]; 101468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (info->index == -1) { 101568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) EventRequest request; 101668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) request.emitter = emitter; 101768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) request.filter = fd_info->events; 101868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) request.events = 0; 101968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 102068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) info->index = requests.size(); 102168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) requests.push_back(request); 102268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) } 102368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) info->fds.push_back(fd_info); 102468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) requests[info->index].filter |= fd_info->events; 10253240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 10263240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 102768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) // If nothing is signaled, then we must wait on the event map 10283240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch if (0 == event_cnt) { 102968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) EventListenerPoll wait; 103068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) Error err = wait.WaitOnAny(&requests[0], requests.size(), timeout); 103168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if ((err != 0) && (err != ETIMEDOUT)) { 103268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) errno = err; 10333551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 10343551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 103568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 103668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) for (size_t rindex = 0; rindex < requests.size(); rindex++) { 103768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) EventRequest* request = &requests[rindex]; 103868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (request->events) { 103968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) PollInfo* poll_info = &event_map[request->emitter.get()]; 104068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) for (size_t findex = 0; findex < poll_info->fds.size(); findex++) { 104168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) struct pollfd* fd_info = poll_info->fds[findex]; 104268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) uint32_t events = fd_info->events & request->events; 104368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (events) { 104468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) fd_info->revents = events; 104568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) event_cnt++; 104668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) } 104768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) } 104868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) } 104968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) } 10503240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 10513240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 10523240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return event_cnt; 10533240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch} 10543240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 10553240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 1056a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)// Socket Functions 1057a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::accept(int fd, struct sockaddr* addr, socklen_t* len) { 1058a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == addr || NULL == len) { 1059a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1060a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1061a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1062a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1063a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 10644e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error error = AcquireHandle(fd, &handle); 10654e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error) { 10664e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 1067a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 10684e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 1069a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 10704e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) PP_Resource new_sock = 0; 10714e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) error = handle->Accept(&new_sock, addr, len); 10724e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error != 0) { 10734e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 10744e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return -1; 10754e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 10764e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 10774e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) MountNodeSocket* sock = new MountNodeTCP(stream_mount_.get(), new_sock); 10784e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 10794e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // The MountNodeSocket now holds a reference to the new socket 10804e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // so we release ours. 10814e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) ppapi_->ReleaseResource(new_sock); 10824e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) error = sock->Init(S_IREAD | S_IWRITE); 10834e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error != 0) { 10844e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 10854e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return -1; 10864e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 10874e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 10884e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) ScopedMountNode node(sock); 10894e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) ScopedKernelHandle new_handle(new KernelHandle(stream_mount_, node)); 10904e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return AllocateFD(new_handle); 1091a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1092a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1093a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::bind(int fd, const struct sockaddr* addr, socklen_t len) { 1094a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == addr) { 1095a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1096a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1097a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1098a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1099a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 1100a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AcquireSocketHandle(fd, &handle) == -1) 1101a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1102a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 11033551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) Error err = handle->socket_node()->Bind(addr, len); 11043551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (err != 0) { 11053551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) errno = err; 11063551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 11073551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 11083551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 11093551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return 0; 1110a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1111a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1112a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::connect(int fd, const struct sockaddr* addr, socklen_t len) { 1113a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == addr) { 1114a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1115a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1116a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1117a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1118a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 11194e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error error = AcquireHandle(fd, &handle); 11204e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error) { 11214e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 1122a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 11234e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 1124a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 11254e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) error = handle->Connect(addr, len); 11264e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error != 0) { 11274e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 11283551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 11293551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 11303551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 11313551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return 0; 1132a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1133a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1134bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdochstruct hostent* KernelProxy::gethostbyname(const char* name) { 1135bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return host_resolver_.gethostbyname(name); 1136bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch} 1137bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 1138a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::getpeername(int fd, struct sockaddr* addr, socklen_t* len) { 1139a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == addr || NULL == len) { 1140a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1141a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1142a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1143a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1144a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 1145a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AcquireSocketHandle(fd, &handle) == -1) 1146a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1147a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 11483551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) Error err = handle->socket_node()->GetPeerName(addr, len); 11493551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (err != 0) { 11503551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) errno = err; 11513551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 11523551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 11533551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 11543551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return 0; 1155a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1156a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1157a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::getsockname(int fd, struct sockaddr* addr, socklen_t* len) { 1158a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == addr || NULL == len) { 1159a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1160a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1161a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1162a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1163a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 1164a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AcquireSocketHandle(fd, &handle) == -1) 1165a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1166a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 11673551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) Error err = handle->socket_node()->GetSockName(addr, len); 11683551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (err != 0) { 11693551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) errno = err; 11703551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 11713551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 11723551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 11733551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return 0; 1174a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1175a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1176a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::getsockopt(int fd, 11774e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) int lvl, 11784e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) int optname, 11794e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) void* optval, 11804e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) socklen_t* len) { 1181a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == optval || NULL == len) { 1182a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1183a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1184a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1185a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1186a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 1187a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AcquireSocketHandle(fd, &handle) == -1) 1188a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1189a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 11904e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error err = handle->socket_node()->GetSockOpt(lvl, optname, optval, len); 11914e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (err != 0) { 11924e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = err; 11934e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return -1; 11944e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 11954e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 11964e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return 0; 1197a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1198a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1199a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::listen(int fd, int backlog) { 1200a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 1201a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AcquireSocketHandle(fd, &handle) == -1) 1202a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1203a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 12044e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error err = handle->socket_node()->Listen(backlog); 12054e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (err != 0) { 12064e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = err; 12074e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return -1; 12084e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 12094e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 12104e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return 0; 1211a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1212a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1213a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)ssize_t KernelProxy::recv(int fd, 1214a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) void* buf, 1215a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) size_t len, 1216a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) int flags) { 1217a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == buf) { 1218a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1219a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1220a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1221a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1222a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 12234e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error error = AcquireHandle(fd, &handle); 12244e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error) { 12254e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 1226a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 12274e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 1228a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 12293551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) int out_len = 0; 12304e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) error = handle->Recv(buf, len, flags, &out_len); 12314e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error != 0) { 12324e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 12333551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 12343551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 12353551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 12363551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return static_cast<ssize_t>(out_len); 1237a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1238a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1239a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)ssize_t KernelProxy::recvfrom(int fd, 1240a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) void* buf, 1241a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) size_t len, 1242a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) int flags, 1243a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) struct sockaddr* addr, 1244a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) socklen_t* addrlen) { 1245a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // According to the manpage, recvfrom with a null addr is identical to recv. 1246a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == addr) { 1247a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return recv(fd, buf, len, flags); 1248a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1249a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1250a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == buf || NULL == addrlen) { 1251a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1252a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1253a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1254a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1255a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 12564e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error error = AcquireHandle(fd, &handle); 12574e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error) { 12584e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 1259a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 12604e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 1261a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 12623551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) int out_len = 0; 12634e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) error = handle->RecvFrom(buf, len, flags, addr, addrlen, &out_len); 12644e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error != 0) { 12654e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 12663551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 12673551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 12683551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 12693551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return static_cast<ssize_t>(out_len); 1270a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1271a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1272a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)ssize_t KernelProxy::recvmsg(int fd, struct msghdr* msg, int flags) { 1273a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == msg ) { 1274a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1275a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1276a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1277a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1278a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 1279a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AcquireSocketHandle(fd, &handle) == -1) 1280a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1281a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1282a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EOPNOTSUPP; 1283a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1284a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1285a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1286a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)ssize_t KernelProxy::send(int fd, const void* buf, size_t len, int flags) { 1287a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == buf) { 1288a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1289a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1290a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1291a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1292a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 12934e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error error = AcquireHandle(fd, &handle); 12944e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error) { 12954e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 1296a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 12974e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 1298a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 12993551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) int out_len = 0; 13004e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) error = handle->Send(buf, len, flags, &out_len); 13014e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error != 0) { 13024e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 13033551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 13043551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 13053551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 13063551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return static_cast<ssize_t>(out_len); 1307a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1308a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1309a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)ssize_t KernelProxy::sendto(int fd, 1310a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) const void* buf, 1311a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) size_t len, 1312a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) int flags, 1313a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) const struct sockaddr* addr, 1314a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) socklen_t addrlen) { 1315a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // According to the manpage, sendto with a null addr is identical to send. 1316a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == addr) { 1317a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return send(fd, buf, len, flags); 1318a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1319a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1320a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == buf) { 1321a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1322a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1323a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1324a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1325a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 13264e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error error = AcquireHandle(fd, &handle); 13274e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error) { 13284e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 1329a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 13304e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 1331a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 13323551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) int out_len = 0; 13334e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) error = handle->SendTo(buf, len, flags, addr, addrlen, &out_len); 13344e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (error != 0) { 13354e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = error; 13363551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 13373551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 13383551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 13393551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return static_cast<ssize_t>(out_len); 1340a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1341a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1342a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)ssize_t KernelProxy::sendmsg(int fd, const struct msghdr* msg, int flags) { 1343a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == msg) { 1344a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1345a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1346a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1347a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1348a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 1349a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AcquireSocketHandle(fd, &handle) == -1) 1350a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1351a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1352a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EOPNOTSUPP; 1353a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1354a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1355a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1356a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::setsockopt(int fd, 1357a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) int lvl, 1358a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) int optname, 1359a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) const void* optval, 1360a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) socklen_t len) { 1361a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == optval) { 1362a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1363a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1364a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1365a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1366a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 1367a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AcquireSocketHandle(fd, &handle) == -1) 1368a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1369a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 13704e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error err = handle->socket_node()->SetSockOpt(lvl, optname, optval, len); 13714e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (err != 0) { 13724e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = err; 13734e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return -1; 13744e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 13754e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 13764e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return 0; 1377a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1378a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1379a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::shutdown(int fd, int how) { 1380a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ScopedKernelHandle handle; 1381a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AcquireSocketHandle(fd, &handle) == -1) 1382a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1383a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 13843551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) Error err = handle->socket_node()->Shutdown(how); 13853551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (err != 0) { 13863551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) errno = err; 13873551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 13883551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 13893551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 13903551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return 0; 1391a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1392a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1393a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::socket(int domain, int type, int protocol) { 1394a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AF_INET != domain && AF_INET6 != domain) { 1395a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EAFNOSUPPORT; 1396a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1397a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1398a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 13993551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) MountNodeSocket* sock = NULL; 14003551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) switch (type) { 14013551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SOCK_DGRAM: 140268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) sock = new MountNodeUDP(stream_mount_.get()); 14033551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) break; 14043551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 14053551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) case SOCK_STREAM: 140668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) sock = new MountNodeTCP(stream_mount_.get()); 14073551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) break; 14083551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 14093551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) default: 14103551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) errno = EPROTONOSUPPORT; 14113551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return -1; 1412a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1413a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 14143551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) ScopedMountNode node(sock); 14154e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) Error rtn = sock->Init(S_IREAD | S_IWRITE); 14164e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (rtn != 0) { 14174e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) errno = rtn; 14184e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return -1; 14193551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 14203551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 14214e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) ScopedKernelHandle handle(new KernelHandle(stream_mount_, node)); 14224e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return AllocateFD(handle); 1423a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1424a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1425a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::socketpair(int domain, int type, int protocol, int* sv) { 1426a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (NULL == sv) { 1427a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EFAULT; 1428a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1429a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1430a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1431a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // Catch-22: We don't support AF_UNIX, but any other AF doesn't support 1432a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // socket pairs. Thus, this function always fails. 1433a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AF_UNIX != domain) { 1434a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EPROTONOSUPPORT; 1435a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1436a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1437a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1438a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (AF_INET != domain && AF_INET6 != domain) { 1439a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = EAFNOSUPPORT; 1440a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1441a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1442a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1443a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // We cannot reach this point. 1444a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = ENOSYS; 1445a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1446a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1447a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1448a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int KernelProxy::AcquireSocketHandle(int fd, ScopedKernelHandle* handle) { 1449a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) Error error = AcquireHandle(fd, handle); 1450a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1451a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (error) { 1452a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = error; 1453a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1454a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1455a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1456a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if ((handle->get()->node_->GetType() & S_IFSOCK) == 0) { 1457a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) errno = ENOTSOCK; 1458a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return -1; 1459a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1460a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1461a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return 0; 1462a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1463a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1464bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch#endif // PROVIDES_SOCKET_API 1465a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1466bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch} // namespace_nacl_io 1467