security/nss/cmd/oidcalc/oidcalc.c@97036ab72558 (annotated)
security/nss/cmd/oidcalc/oidcalc.c
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 <stdio.h> |
| michael@0 | 6 | #include <stdlib.h> |
| michael@0 | 7 | #include <string.h> |
| michael@0 | 8 | |
| michael@0 | 9 | int |
| michael@0 | 10 | main(int argc, char **argv) |
| michael@0 | 11 | { |
| michael@0 | 12 | char *curstr; |
| michael@0 | 13 | char *nextstr; |
| michael@0 | 14 | unsigned int firstval; |
| michael@0 | 15 | unsigned int secondval; |
| michael@0 | 16 | unsigned int val; |
| michael@0 | 17 | unsigned char buf[5]; |
| michael@0 | 18 | int count; |
| michael@0 | 19 | |
| michael@0 | 20 | if ( argc != 2 ) { |
| michael@0 | 21 | fprintf(stderr, "wrong number of args\n"); |
| michael@0 | 22 | exit(-1); |
| michael@0 | 23 | } |
| michael@0 | 24 | |
| michael@0 | 25 | curstr = argv[1]; |
| michael@0 | 26 | |
| michael@0 | 27 | nextstr = strchr(curstr, '.'); |
| michael@0 | 28 | |
| michael@0 | 29 | if ( nextstr == NULL ) { |
| michael@0 | 30 | fprintf(stderr, "only one component\n"); |
| michael@0 | 31 | exit(-1); |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | *nextstr = '\0'; |
| michael@0 | 35 | firstval = atoi(curstr); |
| michael@0 | 36 | |
| michael@0 | 37 | curstr = nextstr + 1; |
| michael@0 | 38 | |
| michael@0 | 39 | nextstr = strchr(curstr, '.'); |
| michael@0 | 40 | |
| michael@0 | 41 | if ( nextstr ) { |
| michael@0 | 42 | *nextstr = '\0'; |
| michael@0 | 43 | } |
| michael@0 | 44 | |
| michael@0 | 45 | secondval = atoi(curstr); |
| michael@0 | 46 | |
| michael@0 | 47 | if ( ( firstval < 0 ) || ( firstval > 2 ) ) { |
| michael@0 | 48 | fprintf(stderr, "first component out of range\n"); |
| michael@0 | 49 | exit(-1); |
| michael@0 | 50 | |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | if ( ( secondval < 0 ) || ( secondval > 39 ) ) { |
| michael@0 | 54 | fprintf(stderr, "second component out of range\n"); |
| michael@0 | 55 | exit(-1); |
| michael@0 | 56 | } |
| michael@0 | 57 | |
| michael@0 | 58 | printf("0x%x, ", ( firstval * 40 ) + secondval ); |
| michael@0 | 59 | while ( nextstr ) { |
| michael@0 | 60 | curstr = nextstr + 1; |
| michael@0 | 61 | |
| michael@0 | 62 | nextstr = strchr(curstr, '.'); |
| michael@0 | 63 | |
| michael@0 | 64 | if ( nextstr ) { |
| michael@0 | 65 | *nextstr = '\0'; |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | memset(buf, 0, sizeof(buf)); |
| michael@0 | 69 | val = atoi(curstr); |
| michael@0 | 70 | count = 0; |
| michael@0 | 71 | while ( val ) { |
| michael@0 | 72 | buf[count] = ( val & 0x7f ); |
| michael@0 | 73 | val = val >> 7; |
| michael@0 | 74 | count++; |
| michael@0 | 75 | } |
| michael@0 | 76 | |
| michael@0 | 77 | while ( count-- ) { |
| michael@0 | 78 | if ( count ) { |
| michael@0 | 79 | printf("0x%x, ", buf[count] | 0x80 ); |
| michael@0 | 80 | } else { |
| michael@0 | 81 | printf("0x%x, ", buf[count] ); |
| michael@0 | 82 | } |
| michael@0 | 83 | } |
| michael@0 | 84 | } |
| michael@0 | 85 | printf("\n"); |
| michael@0 | 86 | return 0; |
| michael@0 | 87 | } |
| michael@0 | 88 |
