modules/libmar/src/mar_extract.c@129ffea94266 (annotated)
modules/libmar/src/mar_extract.c
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
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 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim:set ts=2 sw=2 sts=2 et cindent: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #include <sys/types.h> |
| michael@0 | 8 | #include <sys/stat.h> |
| michael@0 | 9 | #include <fcntl.h> |
| michael@0 | 10 | #include <string.h> |
| michael@0 | 11 | #include <stdlib.h> |
| michael@0 | 12 | #include "mar_private.h" |
| michael@0 | 13 | #include "mar.h" |
| michael@0 | 14 | |
| michael@0 | 15 | #ifdef XP_WIN |
| michael@0 | 16 | #include <io.h> |
| michael@0 | 17 | #include <direct.h> |
| michael@0 | 18 | #endif |
| michael@0 | 19 | |
| michael@0 | 20 | /* Ensure that the directory containing this file exists */ |
| michael@0 | 21 | static int mar_ensure_parent_dir(const char *path) |
| michael@0 | 22 | { |
| michael@0 | 23 | char *slash = strrchr(path, '/'); |
| michael@0 | 24 | if (slash) |
| michael@0 | 25 | { |
| michael@0 | 26 | *slash = '\0'; |
| michael@0 | 27 | mar_ensure_parent_dir(path); |
| michael@0 | 28 | #ifdef XP_WIN |
| michael@0 | 29 | _mkdir(path); |
| michael@0 | 30 | #else |
| michael@0 | 31 | mkdir(path, 0755); |
| michael@0 | 32 | #endif |
| michael@0 | 33 | *slash = '/'; |
| michael@0 | 34 | } |
| michael@0 | 35 | return 0; |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | static int mar_test_callback(MarFile *mar, const MarItem *item, void *unused) { |
| michael@0 | 39 | FILE *fp; |
| michael@0 | 40 | char buf[BLOCKSIZE]; |
| michael@0 | 41 | int fd, len, offset = 0; |
| michael@0 | 42 | |
| michael@0 | 43 | if (mar_ensure_parent_dir(item->name)) |
| michael@0 | 44 | return -1; |
| michael@0 | 45 | |
| michael@0 | 46 | #ifdef XP_WIN |
| michael@0 | 47 | fd = _open(item->name, _O_BINARY|_O_CREAT|_O_TRUNC|_O_WRONLY, item->flags); |
| michael@0 | 48 | #else |
| michael@0 | 49 | fd = creat(item->name, item->flags); |
| michael@0 | 50 | #endif |
| michael@0 | 51 | if (fd == -1) { |
| michael@0 | 52 | fprintf(stderr, "ERROR: could not create file in mar_test_callback()\n"); |
| michael@0 | 53 | perror(item->name); |
| michael@0 | 54 | return -1; |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | fp = fdopen(fd, "wb"); |
| michael@0 | 58 | if (!fp) |
| michael@0 | 59 | return -1; |
| michael@0 | 60 | |
| michael@0 | 61 | while ((len = mar_read(mar, item, offset, buf, sizeof(buf))) > 0) { |
| michael@0 | 62 | if (fwrite(buf, len, 1, fp) != 1) |
| michael@0 | 63 | break; |
| michael@0 | 64 | offset += len; |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | fclose(fp); |
| michael@0 | 68 | return len == 0 ? 0 : -1; |
| michael@0 | 69 | } |
| michael@0 | 70 | |
| michael@0 | 71 | int mar_extract(const char *path) { |
| michael@0 | 72 | MarFile *mar; |
| michael@0 | 73 | int rv; |
| michael@0 | 74 | |
| michael@0 | 75 | mar = mar_open(path); |
| michael@0 | 76 | if (!mar) |
| michael@0 | 77 | return -1; |
| michael@0 | 78 | |
| michael@0 | 79 | rv = mar_enum_items(mar, mar_test_callback, NULL); |
| michael@0 | 80 | |
| michael@0 | 81 | mar_close(mar); |
| michael@0 | 82 | return rv; |
| michael@0 | 83 | } |
