netwerk/sctp/src/netinet/sctp_indata.h@97036ab72558 (annotated)
netwerk/sctp/src/netinet/sctp_indata.h
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
- -rwxr-xr-x
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: head/sys/netinet/sctp_indata.h 252585 2013-07-03 18:48:43Z tuexen $"); |
| michael@0 | 36 | #endif |
| michael@0 | 37 | |
| michael@0 | 38 | #ifndef _NETINET_SCTP_INDATA_H_ |
| michael@0 | 39 | #define _NETINET_SCTP_INDATA_H_ |
| michael@0 | 40 | |
| michael@0 | 41 | #if defined(_KERNEL) || defined(__Userspace__) |
| michael@0 | 42 | |
| michael@0 | 43 | struct sctp_queued_to_read * |
| michael@0 | 44 | sctp_build_readq_entry(struct sctp_tcb *stcb, |
| michael@0 | 45 | struct sctp_nets *net, |
| michael@0 | 46 | uint32_t tsn, uint32_t ppid, |
| michael@0 | 47 | uint32_t context, uint16_t stream_no, |
| michael@0 | 48 | uint16_t stream_seq, uint8_t flags, |
| michael@0 | 49 | struct mbuf *dm); |
| michael@0 | 50 | |
| michael@0 | 51 | |
| michael@0 | 52 | #define sctp_build_readq_entry_mac(_ctl, in_it, context, net, tsn, ppid, stream_no, stream_seq, flags, dm) do { \ |
| michael@0 | 53 | if (_ctl) { \ |
| michael@0 | 54 | atomic_add_int(&((net)->ref_count), 1); \ |
| michael@0 | 55 | (_ctl)->sinfo_stream = stream_no; \ |
| michael@0 | 56 | (_ctl)->sinfo_ssn = stream_seq; \ |
| michael@0 | 57 | (_ctl)->sinfo_flags = (flags << 8); \ |
| michael@0 | 58 | (_ctl)->sinfo_ppid = ppid; \ |
| michael@0 | 59 | (_ctl)->sinfo_context = context; \ |
| michael@0 | 60 | (_ctl)->sinfo_timetolive = 0; \ |
| michael@0 | 61 | (_ctl)->sinfo_tsn = tsn; \ |
| michael@0 | 62 | (_ctl)->sinfo_cumtsn = tsn; \ |
| michael@0 | 63 | (_ctl)->sinfo_assoc_id = sctp_get_associd((in_it)); \ |
| michael@0 | 64 | (_ctl)->length = 0; \ |
| michael@0 | 65 | (_ctl)->held_length = 0; \ |
| michael@0 | 66 | (_ctl)->whoFrom = net; \ |
| michael@0 | 67 | (_ctl)->data = dm; \ |
| michael@0 | 68 | (_ctl)->tail_mbuf = NULL; \ |
| michael@0 | 69 | (_ctl)->aux_data = NULL; \ |
| michael@0 | 70 | (_ctl)->stcb = (in_it); \ |
| michael@0 | 71 | (_ctl)->port_from = (in_it)->rport; \ |
| michael@0 | 72 | (_ctl)->spec_flags = 0; \ |
| michael@0 | 73 | (_ctl)->do_not_ref_stcb = 0; \ |
| michael@0 | 74 | (_ctl)->end_added = 0; \ |
| michael@0 | 75 | (_ctl)->pdapi_aborted = 0; \ |
| michael@0 | 76 | (_ctl)->some_taken = 0; \ |
| michael@0 | 77 | } \ |
| michael@0 | 78 | } while (0) |
| michael@0 | 79 | |
| michael@0 | 80 | |
| michael@0 | 81 | |
| michael@0 | 82 | struct mbuf * |
| michael@0 | 83 | sctp_build_ctl_nchunk(struct sctp_inpcb *inp, |
| michael@0 | 84 | struct sctp_sndrcvinfo *sinfo); |
| michael@0 | 85 | |
| michael@0 | 86 | void sctp_set_rwnd(struct sctp_tcb *, struct sctp_association *); |
| michael@0 | 87 | |
| michael@0 | 88 | uint32_t |
| michael@0 | 89 | sctp_calc_rwnd(struct sctp_tcb *stcb, struct sctp_association *asoc); |
| michael@0 | 90 | |
| michael@0 | 91 | void |
| michael@0 | 92 | sctp_express_handle_sack(struct sctp_tcb *stcb, uint32_t cumack, |
| michael@0 | 93 | uint32_t rwnd, int *abort_now, int ecne_seen); |
| michael@0 | 94 | |
| michael@0 | 95 | void |
| michael@0 | 96 | sctp_handle_sack(struct mbuf *m, int offset_seg, int offset_dup, |
| michael@0 | 97 | struct sctp_tcb *stcb, |
| michael@0 | 98 | uint16_t num_seg, uint16_t num_nr_seg, uint16_t num_dup, |
| michael@0 | 99 | int *abort_now, uint8_t flags, |
| michael@0 | 100 | uint32_t cum_ack, uint32_t rwnd, int ecne_seen); |
| michael@0 | 101 | |
| michael@0 | 102 | /* draft-ietf-tsvwg-usctp */ |
| michael@0 | 103 | void |
| michael@0 | 104 | sctp_handle_forward_tsn(struct sctp_tcb *, |
| michael@0 | 105 | struct sctp_forward_tsn_chunk *, int *, struct mbuf *, int); |
| michael@0 | 106 | |
| michael@0 | 107 | struct sctp_tmit_chunk * |
| michael@0 | 108 | sctp_try_advance_peer_ack_point(struct sctp_tcb *, struct sctp_association *); |
| michael@0 | 109 | |
| michael@0 | 110 | void sctp_service_queues(struct sctp_tcb *, struct sctp_association *); |
| michael@0 | 111 | |
| michael@0 | 112 | void |
| michael@0 | 113 | sctp_update_acked(struct sctp_tcb *, struct sctp_shutdown_chunk *, int *); |
| michael@0 | 114 | |
| michael@0 | 115 | int |
| michael@0 | 116 | sctp_process_data(struct mbuf **, int, int *, int, |
| michael@0 | 117 | struct sockaddr *src, struct sockaddr *dst, |
| michael@0 | 118 | struct sctphdr *, |
| michael@0 | 119 | struct sctp_inpcb *, struct sctp_tcb *, |
| michael@0 | 120 | struct sctp_nets *, uint32_t *, |
| michael@0 | 121 | #if defined(__FreeBSD__) |
| michael@0 | 122 | uint8_t, uint32_t, |
| michael@0 | 123 | #endif |
| michael@0 | 124 | uint32_t, uint16_t); |
| michael@0 | 125 | |
| michael@0 | 126 | void sctp_slide_mapping_arrays(struct sctp_tcb *stcb); |
| michael@0 | 127 | |
| michael@0 | 128 | void sctp_sack_check(struct sctp_tcb *, int); |
| michael@0 | 129 | |
| michael@0 | 130 | #endif |
| michael@0 | 131 | #endif |
