Tue, 06 Jan 2015 21:39:09 +0100
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 | /*- |
michael@0 | 2 | * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. |
michael@0 | 3 | * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. |
michael@0 | 4 | * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. |
michael@0 | 5 | * |
michael@0 | 6 | * Redistribution and use in source and binary forms, with or without |
michael@0 | 7 | * modification, are permitted provided that the following conditions are met: |
michael@0 | 8 | * |
michael@0 | 9 | * a) Redistributions of source code must retain the above copyright notice, |
michael@0 | 10 | * this list of conditions and the following disclaimer. |
michael@0 | 11 | * |
michael@0 | 12 | * b) Redistributions in binary form must reproduce the above copyright |
michael@0 | 13 | * notice, this list of conditions and the following disclaimer in |
michael@0 | 14 | * the documentation and/or other materials provided with the distribution. |
michael@0 | 15 | * |
michael@0 | 16 | * c) Neither the name of Cisco Systems, Inc. nor the names of its |
michael@0 | 17 | * contributors may be used to endorse or promote products derived |
michael@0 | 18 | * from this software without specific prior written permission. |
michael@0 | 19 | * |
michael@0 | 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
michael@0 | 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
michael@0 | 22 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
michael@0 | 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
michael@0 | 24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
michael@0 | 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
michael@0 | 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
michael@0 | 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
michael@0 | 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
michael@0 | 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
michael@0 | 30 | * THE POSSIBILITY OF SUCH DAMAGE. |
michael@0 | 31 | */ |
michael@0 | 32 | |
michael@0 | 33 | #ifdef __FreeBSD__ |
michael@0 | 34 | #include <sys/cdefs.h> |
michael@0 | 35 | __FBSDID("$FreeBSD$"); |
michael@0 | 36 | #endif |
michael@0 | 37 | |
michael@0 | 38 | |
michael@0 | 39 | #ifndef __NETINET_SCTP_SHA1_H__ |
michael@0 | 40 | #define __NETINET_SCTP_SHA1_H__ |
michael@0 | 41 | |
michael@0 | 42 | #include <sys/types.h> |
michael@0 | 43 | #if defined(SCTP_USE_NSS_SHA1) |
michael@0 | 44 | #if defined(__Userspace_os_Darwin) |
michael@0 | 45 | /* The NSS sources require __APPLE__ to be defined. |
michael@0 | 46 | * XXX: Remove this ugly hack once the platform defines have been cleaned up. |
michael@0 | 47 | */ |
michael@0 | 48 | #define __APPLE__ |
michael@0 | 49 | #endif |
michael@0 | 50 | #include <pk11pub.h> |
michael@0 | 51 | #if defined(__Userspace_os_Darwin) |
michael@0 | 52 | #undef __APPLE__ |
michael@0 | 53 | #endif |
michael@0 | 54 | #elif defined(SCTP_USE_OPENSSL_SHA1) |
michael@0 | 55 | #include <openssl/sha.h> |
michael@0 | 56 | #endif |
michael@0 | 57 | |
michael@0 | 58 | struct sctp_sha1_context { |
michael@0 | 59 | #if defined(SCTP_USE_NSS_SHA1) |
michael@0 | 60 | struct PK11Context *pk11_ctx; |
michael@0 | 61 | #elif defined(SCTP_USE_OPENSSL_SHA1) |
michael@0 | 62 | SHA_CTX sha_ctx; |
michael@0 | 63 | #else |
michael@0 | 64 | unsigned int A; |
michael@0 | 65 | unsigned int B; |
michael@0 | 66 | unsigned int C; |
michael@0 | 67 | unsigned int D; |
michael@0 | 68 | unsigned int E; |
michael@0 | 69 | unsigned int H0; |
michael@0 | 70 | unsigned int H1; |
michael@0 | 71 | unsigned int H2; |
michael@0 | 72 | unsigned int H3; |
michael@0 | 73 | unsigned int H4; |
michael@0 | 74 | unsigned int words[80]; |
michael@0 | 75 | unsigned int TEMP; |
michael@0 | 76 | /* block I am collecting to process */ |
michael@0 | 77 | char sha_block[64]; |
michael@0 | 78 | /* collected so far */ |
michael@0 | 79 | int how_many_in_block; |
michael@0 | 80 | unsigned int running_total; |
michael@0 | 81 | #endif |
michael@0 | 82 | }; |
michael@0 | 83 | |
michael@0 | 84 | #if (defined(__APPLE__) && defined(KERNEL)) |
michael@0 | 85 | #ifndef _KERNEL |
michael@0 | 86 | #define _KERNEL |
michael@0 | 87 | #endif |
michael@0 | 88 | #endif |
michael@0 | 89 | |
michael@0 | 90 | #if defined(_KERNEL) || defined(__Userspace__) |
michael@0 | 91 | |
michael@0 | 92 | void sctp_sha1_init(struct sctp_sha1_context *); |
michael@0 | 93 | void sctp_sha1_update(struct sctp_sha1_context *, const unsigned char *, unsigned int); |
michael@0 | 94 | void sctp_sha1_final(unsigned char *, struct sctp_sha1_context *); |
michael@0 | 95 | |
michael@0 | 96 | #endif |
michael@0 | 97 | #endif |