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// Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
// source code is governed by a BSD-style license that can be found in the
// LICENSE file.
#include "chrome/renderer/renderer_sandbox_support_linux.h"
#include "base/global_descriptors_posix.h"
#include "base/pickle.h"
#include "base/unix_domain_socket_posix.h"
#include "chrome/common/chrome_descriptors.h"
#include "chrome/common/sandbox_methods_linux.h"
#include "third_party/WebKit/WebKit/chromium/public/linux/WebFontRenderStyle.h"
static int GetSandboxFD() {
return kSandboxIPCChannel + base::GlobalDescriptors::kBaseDescriptor;
}
namespace renderer_sandbox_support {
std::string getFontFamilyForCharacters(const uint16_t* utf16, size_t num_utf16) {
Pickle request;
request.WriteInt(LinuxSandbox::METHOD_GET_FONT_FAMILY_FOR_CHARS);
request.WriteInt(num_utf16);
for (size_t i = 0; i < num_utf16; ++i)
request.WriteUInt32(utf16[i]);
uint8_t buf[512];
const ssize_t n = base::SendRecvMsg(GetSandboxFD(), buf, sizeof(buf), NULL,
request);
std::string family_name;
if (n != -1) {
Pickle reply(reinterpret_cast<char*>(buf), n);
void* pickle_iter = NULL;
reply.ReadString(&pickle_iter, &family_name);
}
return family_name;
}
void getRenderStyleForStrike(const char* family, int sizeAndStyle,
WebKit::WebFontRenderStyle* out) {
Pickle request;
request.WriteInt(LinuxSandbox::METHOD_GET_STYLE_FOR_STRIKE);
request.WriteString(family);
request.WriteInt(sizeAndStyle);
uint8_t buf[512];
const ssize_t n = base::SendRecvMsg(GetSandboxFD(), buf, sizeof(buf), NULL,
request);
out->setDefaults();
if (n == -1) {
return;
}
Pickle reply(reinterpret_cast<char*>(buf), n);
void* pickle_iter = NULL;
int useBitmaps, useAutoHint, useHinting, hintStyle, useAntiAlias, useSubpixel;
if (reply.ReadInt(&pickle_iter, &useBitmaps) &&
reply.ReadInt(&pickle_iter, &useAutoHint) &&
reply.ReadInt(&pickle_iter, &useHinting) &&
reply.ReadInt(&pickle_iter, &hintStyle) &&
reply.ReadInt(&pickle_iter, &useAntiAlias) &&
reply.ReadInt(&pickle_iter, &useSubpixel)) {
out->useBitmaps = useBitmaps;
out->useAutoHint = useAutoHint;
out->useHinting = useHinting;
out->hintStyle = hintStyle;
out->useAntiAlias = useAntiAlias;
out->useSubpixel = useSubpixel;
}
}
int MakeSharedMemorySegmentViaIPC(size_t length) {
Pickle request;
request.WriteInt(LinuxSandbox::METHOD_MAKE_SHARED_MEMORY_SEGMENT);
request.WriteUInt32(length);
uint8_t reply_buf[10];
int result_fd;
ssize_t result = base::SendRecvMsg(GetSandboxFD(),
reply_buf, sizeof(reply_buf),
&result_fd, request);
if (result == -1)
return -1;
return result_fd;
}
} // namespace render_sandbox_support
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