tools/reorder/elf_utils.cpp@97036ab72558 (annotated)
tools/reorder/elf_utils.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #include <fstream> |
| michael@0 | 6 | #include "elf_utils.h" |
| michael@0 | 7 | |
| michael@0 | 8 | int |
| michael@0 | 9 | elf_verify_header(const Elf32_Ehdr *hdr) |
| michael@0 | 10 | { |
| michael@0 | 11 | if (hdr->e_ident[EI_MAG0] != ELFMAG0 |
| michael@0 | 12 | || hdr->e_ident[EI_MAG1] != ELFMAG1 |
| michael@0 | 13 | || hdr->e_ident[EI_MAG2] != ELFMAG2 |
| michael@0 | 14 | || hdr->e_ident[EI_MAG3] != ELFMAG3) { |
| michael@0 | 15 | cerr << "not an elf file" << endl; |
| michael@0 | 16 | return -1; |
| michael@0 | 17 | } |
| michael@0 | 18 | |
| michael@0 | 19 | if (hdr->e_ident[EI_CLASS] != ELFCLASS32) { |
| michael@0 | 20 | cerr << "not a 32-bit elf file" << endl; |
| michael@0 | 21 | return -1; |
| michael@0 | 22 | } |
| michael@0 | 23 | |
| michael@0 | 24 | if (hdr->e_ident[EI_DATA] != ELFDATA2LSB) { |
| michael@0 | 25 | cerr << "not a little endian elf file" << endl; |
| michael@0 | 26 | return -1; |
| michael@0 | 27 | } |
| michael@0 | 28 | |
| michael@0 | 29 | if (hdr->e_ident[EI_VERSION] != EV_CURRENT) { |
| michael@0 | 30 | cerr << "incompatible version" << endl; |
| michael@0 | 31 | return -1; |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | return 0; |
| michael@0 | 35 | } |
| michael@0 | 36 |
