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media/mtransport/third_party/nICEr/src/net/nr_socket.c@97036ab72558 (annotated)

media/mtransport/third_party/nICEr/src/net/nr_socket.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 /*
michael@0 2 Copyright (c) 2007, Adobe Systems, Incorporated
michael@0 3 All rights reserved.
michael@0 4
michael@0 5 Redistribution and use in source and binary forms, with or without
michael@0 6 modification, are permitted provided that the following conditions are
michael@0 7 met:
michael@0 8
michael@0 9 * Redistributions of source code must retain the above copyright
michael@0 10 notice, this list of conditions and the following disclaimer.
michael@0 11
michael@0 12 * Redistributions in binary form must reproduce the above copyright
michael@0 13 notice, this list of conditions and the following disclaimer in the
michael@0 14 documentation and/or other materials provided with the distribution.
michael@0 15
michael@0 16 * Neither the name of Adobe Systems, Network Resonance nor the names of its
michael@0 17 contributors may be used to endorse or promote products derived from
michael@0 18 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
michael@0 22 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0 23 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0 24 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0 25 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0 26 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0 27 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0 28 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0 29 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0 30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 31 */
michael@0 32
michael@0 33
michael@0 34
michael@0 35 static char *RCSSTRING __UNUSED__="$Id: nr_socket.c,v 1.2 2008/04/28 17:59:02 ekr Exp $";
michael@0 36
michael@0 37 #include <assert.h>
michael@0 38 #include <nr_api.h>
michael@0 39 #include "nr_socket.h"
michael@0 40 #include "local_addr.h"
michael@0 41
michael@0 42 #define CHECK_DEFINED(f) assert(sock->vtbl->f); if (!sock->vtbl->f) ERETURN(R_INTERNAL);
michael@0 43 int nr_socket_create_int(void *obj, nr_socket_vtbl *vtbl, nr_socket **sockp)
michael@0 44 {
michael@0 45 int _status;
michael@0 46 nr_socket *sock=0;
michael@0 47
michael@0 48 if(!(sock=RCALLOC(sizeof(nr_socket))))
michael@0 49 ABORT(R_NO_MEMORY);
michael@0 50
michael@0 51 assert(vtbl->version == 1);
michael@0 52 if (vtbl->version != 1)
michael@0 53 ABORT(R_INTERNAL);
michael@0 54
michael@0 55 sock->obj=obj;
michael@0 56 sock->vtbl=vtbl;
michael@0 57
michael@0 58 *sockp=sock;
michael@0 59
michael@0 60 _status=0;
michael@0 61 abort:
michael@0 62 return(_status);
michael@0 63 }
michael@0 64
michael@0 65 int nr_socket_destroy(nr_socket **sockp)
michael@0 66 {
michael@0 67 nr_socket *sock;
michael@0 68
michael@0 69 if(!sockp || !*sockp)
michael@0 70 return(0);
michael@0 71
michael@0 72
michael@0 73 sock=*sockp;
michael@0 74 *sockp=0;
michael@0 75
michael@0 76 CHECK_DEFINED(destroy);
michael@0 77
michael@0 78 assert(sock->vtbl);
michael@0 79 if (sock->vtbl)
michael@0 80 sock->vtbl->destroy(&sock->obj);
michael@0 81
michael@0 82 RFREE(sock);
michael@0 83
michael@0 84 return(0);
michael@0 85 }
michael@0 86
michael@0 87 int nr_socket_sendto(nr_socket *sock,const void *msg, size_t len, int flags,
michael@0 88 nr_transport_addr *addr)
michael@0 89 {
michael@0 90 CHECK_DEFINED(ssendto);
michael@0 91 return sock->vtbl->ssendto(sock->obj,msg,len,flags,addr);
michael@0 92 }
michael@0 93
michael@0 94 int nr_socket_recvfrom(nr_socket *sock,void * restrict buf, size_t maxlen,
michael@0 95 size_t *len, int flags, nr_transport_addr *addr)
michael@0 96 {
michael@0 97 CHECK_DEFINED(srecvfrom);
michael@0 98 return sock->vtbl->srecvfrom(sock->obj, buf, maxlen, len, flags, addr);
michael@0 99 }
michael@0 100
michael@0 101 int nr_socket_getfd(nr_socket *sock, NR_SOCKET *fd)
michael@0 102 {
michael@0 103 CHECK_DEFINED(getfd);
michael@0 104 return sock->vtbl->getfd(sock->obj, fd);
michael@0 105 }
michael@0 106
michael@0 107 int nr_socket_getaddr(nr_socket *sock, nr_transport_addr *addrp)
michael@0 108 {
michael@0 109 CHECK_DEFINED(getaddr);
michael@0 110 return sock->vtbl->getaddr(sock->obj, addrp);
michael@0 111 }
michael@0 112
michael@0 113 int nr_socket_close(nr_socket *sock)
michael@0 114 {
michael@0 115 CHECK_DEFINED(close);
michael@0 116 return sock->vtbl->close(sock->obj);
michael@0 117 }
michael@0 118
michael@0 119 int nr_socket_connect(nr_socket *sock, nr_transport_addr *addr)
michael@0 120 {
michael@0 121 CHECK_DEFINED(connect);
michael@0 122 return sock->vtbl->connect(sock->obj, addr);
michael@0 123 }
michael@0 124
michael@0 125 int nr_socket_write(nr_socket *sock,const void *msg, size_t len, size_t *written, int flags)
michael@0 126 {
michael@0 127 CHECK_DEFINED(swrite);
michael@0 128 return sock->vtbl->swrite(sock->obj, msg, len, written);
michael@0 129 }
michael@0 130
michael@0 131
michael@0 132 int nr_socket_read(nr_socket *sock,void * restrict buf, size_t maxlen,
michael@0 133 size_t *len, int flags)
michael@0 134 {
michael@0 135 CHECK_DEFINED(sread);
michael@0 136 return sock->vtbl->sread(sock->obj, buf, maxlen, len);
michael@0 137 }

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