tools/reorder/elf_utils.cpp@97036ab72558
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.
1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 #include <fstream>
6 #include "elf_utils.h"
8 int
9 elf_verify_header(const Elf32_Ehdr *hdr)
10 {
11 if (hdr->e_ident[EI_MAG0] != ELFMAG0
12 || hdr->e_ident[EI_MAG1] != ELFMAG1
13 || hdr->e_ident[EI_MAG2] != ELFMAG2
14 || hdr->e_ident[EI_MAG3] != ELFMAG3) {
15 cerr << "not an elf file" << endl;
16 return -1;
17 }
19 if (hdr->e_ident[EI_CLASS] != ELFCLASS32) {
20 cerr << "not a 32-bit elf file" << endl;
21 return -1;
22 }
24 if (hdr->e_ident[EI_DATA] != ELFDATA2LSB) {
25 cerr << "not a little endian elf file" << endl;
26 return -1;
27 }
29 if (hdr->e_ident[EI_VERSION] != EV_CURRENT) {
30 cerr << "incompatible version" << endl;
31 return -1;
32 }
34 return 0;
35 }
