Sat, 03 Jan 2015 20:18:00 +0100
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
michael@0 | 1 | // Copyright (c) 2011, Google Inc. |
michael@0 | 2 | // All rights reserved. |
michael@0 | 3 | // |
michael@0 | 4 | // Redistribution and use in source and binary forms, with or without |
michael@0 | 5 | // modification, are permitted provided that the following conditions are |
michael@0 | 6 | // met: |
michael@0 | 7 | // |
michael@0 | 8 | // * Redistributions of source code must retain the above copyright |
michael@0 | 9 | // notice, this list of conditions and the following disclaimer. |
michael@0 | 10 | // * Redistributions in binary form must reproduce the above |
michael@0 | 11 | // copyright notice, this list of conditions and the following disclaimer |
michael@0 | 12 | // in the documentation and/or other materials provided with the |
michael@0 | 13 | // distribution. |
michael@0 | 14 | // * Neither the name of Google Inc. nor the names of its |
michael@0 | 15 | // contributors may be used to endorse or promote products derived from |
michael@0 | 16 | // this software without specific prior written permission. |
michael@0 | 17 | // |
michael@0 | 18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
michael@0 | 19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
michael@0 | 20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
michael@0 | 21 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
michael@0 | 22 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
michael@0 | 23 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
michael@0 | 24 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
michael@0 | 25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
michael@0 | 26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
michael@0 | 27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
michael@0 | 28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
michael@0 | 29 | |
michael@0 | 30 | // file_utils.cc: Implement utility functions for file manipulation. |
michael@0 | 31 | // See file_utils.h for details. |
michael@0 | 32 | |
michael@0 | 33 | #include <fcntl.h> |
michael@0 | 34 | #include <stdio.h> |
michael@0 | 35 | #include <string.h> |
michael@0 | 36 | #include <sys/stat.h> |
michael@0 | 37 | #include <unistd.h> |
michael@0 | 38 | |
michael@0 | 39 | #include "common/linux/eintr_wrapper.h" |
michael@0 | 40 | #include "common/tests/file_utils.h" |
michael@0 | 41 | |
michael@0 | 42 | namespace google_breakpad { |
michael@0 | 43 | |
michael@0 | 44 | bool CopyFile(const char* from_path, const char* to_path) { |
michael@0 | 45 | int infile = HANDLE_EINTR(open(from_path, O_RDONLY)); |
michael@0 | 46 | if (infile < 0) { |
michael@0 | 47 | perror("open"); |
michael@0 | 48 | return false; |
michael@0 | 49 | } |
michael@0 | 50 | |
michael@0 | 51 | int outfile = HANDLE_EINTR(creat(to_path, 0666)); |
michael@0 | 52 | if (outfile < 0) { |
michael@0 | 53 | perror("creat"); |
michael@0 | 54 | if (HANDLE_EINTR(close(infile)) < 0) { |
michael@0 | 55 | perror("close"); |
michael@0 | 56 | } |
michael@0 | 57 | return false; |
michael@0 | 58 | } |
michael@0 | 59 | |
michael@0 | 60 | char buffer[1024]; |
michael@0 | 61 | bool result = true; |
michael@0 | 62 | |
michael@0 | 63 | while (result) { |
michael@0 | 64 | ssize_t bytes_read = HANDLE_EINTR(read(infile, buffer, sizeof(buffer))); |
michael@0 | 65 | if (bytes_read < 0) { |
michael@0 | 66 | perror("read"); |
michael@0 | 67 | result = false; |
michael@0 | 68 | break; |
michael@0 | 69 | } |
michael@0 | 70 | if (bytes_read == 0) |
michael@0 | 71 | break; |
michael@0 | 72 | ssize_t bytes_written_per_read = 0; |
michael@0 | 73 | do { |
michael@0 | 74 | ssize_t bytes_written_partial = HANDLE_EINTR(write( |
michael@0 | 75 | outfile, |
michael@0 | 76 | &buffer[bytes_written_per_read], |
michael@0 | 77 | bytes_read - bytes_written_per_read)); |
michael@0 | 78 | if (bytes_written_partial < 0) { |
michael@0 | 79 | perror("write"); |
michael@0 | 80 | result = false; |
michael@0 | 81 | break; |
michael@0 | 82 | } |
michael@0 | 83 | bytes_written_per_read += bytes_written_partial; |
michael@0 | 84 | } while (bytes_written_per_read < bytes_read); |
michael@0 | 85 | } |
michael@0 | 86 | |
michael@0 | 87 | if (HANDLE_EINTR(close(infile)) == -1) { |
michael@0 | 88 | perror("close"); |
michael@0 | 89 | result = false; |
michael@0 | 90 | } |
michael@0 | 91 | if (HANDLE_EINTR(close(outfile)) == -1) { |
michael@0 | 92 | perror("close"); |
michael@0 | 93 | result = false; |
michael@0 | 94 | } |
michael@0 | 95 | |
michael@0 | 96 | return result; |
michael@0 | 97 | } |
michael@0 | 98 | |
michael@0 | 99 | bool ReadFile(const char* path, void* buffer, ssize_t* buffer_size) { |
michael@0 | 100 | int fd = HANDLE_EINTR(open(path, O_RDONLY)); |
michael@0 | 101 | if (fd == -1) { |
michael@0 | 102 | perror("open"); |
michael@0 | 103 | return false; |
michael@0 | 104 | } |
michael@0 | 105 | |
michael@0 | 106 | bool ok = true; |
michael@0 | 107 | if (buffer && buffer_size && *buffer_size > 0) { |
michael@0 | 108 | memset(buffer, 0, sizeof(*buffer_size)); |
michael@0 | 109 | *buffer_size = HANDLE_EINTR(read(fd, buffer, *buffer_size)); |
michael@0 | 110 | if (*buffer_size == -1) { |
michael@0 | 111 | perror("read"); |
michael@0 | 112 | ok = false; |
michael@0 | 113 | } |
michael@0 | 114 | } |
michael@0 | 115 | if (HANDLE_EINTR(close(fd)) == -1) { |
michael@0 | 116 | perror("close"); |
michael@0 | 117 | ok = false; |
michael@0 | 118 | } |
michael@0 | 119 | return ok; |
michael@0 | 120 | } |
michael@0 | 121 | |
michael@0 | 122 | bool WriteFile(const char* path, const void* buffer, size_t buffer_size) { |
michael@0 | 123 | int fd = HANDLE_EINTR(open(path, O_CREAT | O_TRUNC | O_WRONLY, S_IRWXU)); |
michael@0 | 124 | if (fd == -1) { |
michael@0 | 125 | perror("open"); |
michael@0 | 126 | return false; |
michael@0 | 127 | } |
michael@0 | 128 | |
michael@0 | 129 | bool ok = true; |
michael@0 | 130 | if (buffer) { |
michael@0 | 131 | size_t bytes_written_total = 0; |
michael@0 | 132 | ssize_t bytes_written_partial = 0; |
michael@0 | 133 | const char* data = reinterpret_cast<const char*>(buffer); |
michael@0 | 134 | while (bytes_written_total < buffer_size) { |
michael@0 | 135 | bytes_written_partial = |
michael@0 | 136 | HANDLE_EINTR(write(fd, data + bytes_written_total, |
michael@0 | 137 | buffer_size - bytes_written_total)); |
michael@0 | 138 | if (bytes_written_partial < 0) { |
michael@0 | 139 | perror("write"); |
michael@0 | 140 | ok = false; |
michael@0 | 141 | break; |
michael@0 | 142 | } |
michael@0 | 143 | bytes_written_total += bytes_written_partial; |
michael@0 | 144 | } |
michael@0 | 145 | } |
michael@0 | 146 | if (HANDLE_EINTR(close(fd)) == -1) { |
michael@0 | 147 | perror("close"); |
michael@0 | 148 | ok = false; |
michael@0 | 149 | } |
michael@0 | 150 | return ok; |
michael@0 | 151 | } |
michael@0 | 152 | |
michael@0 | 153 | } // namespace google_breakpad |