The Tor Browser: media/webrtc/signaling/src/sipcc/cpr/android/cpr_android

media/webrtc/signaling/src/sipcc/cpr/android/cpr_android_socket.h@ac0c01689b40 (annotated)

media/webrtc/signaling/src/sipcc/cpr/android/cpr_android_socket.h

Thu, 15 Jan 2015 15:59:08 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 15 Jan 2015 15:59:08 +0100
branch: TOR_BUG_9701
changeset 10: ac0c01689b40
permissions: -rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #ifndef _CPR_ANDROID_SOCKET_H_
 #define _CPR_ANDROID_SOCKET_H_
 #include "cpr_types.h"
 #include <sys/socket.h>
 #include <sys/select.h>
 #include <sys/un.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 #include <unistd.h>
 #include <arpa/inet.h>
 /**
  * Set public CPR header file options
  */
 #define SUPPORT_CONNECT_CONST const
 /**
  * Define SOCKET_ERROR
  */
 #define SOCKET_ERROR   (-1)
 /**
  * Define INVALID_SOCKET
  */
 #define INVALID_SOCKET (-1)
 /**
  * Define cpr_socket_t
  */
 typedef int cpr_socket_t;
 /**
  * Define cpr_socklen_t
  */
 typedef socklen_t cpr_socklen_t;
 /**
  * Address family, defined in sys/socket.h
  *  AF_UNSPEC
  *  AF_LOCAL / AF_UNIX
  *  AF_INET
  *  AF_INET6
  *  AF_MAX
  *
  *  AF_NETLYR2 (unique to CNU) interface directly to layer 2, bypass IP
  */
 #ifndef AF_UNIX
 #define AF_UNIX  AF_LOCAL
 #endif
 /*
  * Constants and structures defined by the internet system,
  * Per RFC 790, September 1981, based on the BSD file netinet/in.h.
  * IPv6 additions per RFC 2292.
  */
 /*
  * Define the following socket options as needed
  *   SO_DEBUG
  *   SO_ACCEPTCONN
  *   SO_REUSEADDR / SO_EXCLUSIVEADDRUSE
  *   SO_KEEPALIVE
  *   SO_DONTROUTE
  *   SO_BROADCAST
  *   SO_USELOOPBACK
  *   SO_LINGER / SO_DONTLINGER
  *   SO_OOBINLINE
  *   SO_SNDBUF
  *   SO_RCVBUF
  *   SO_ERROR
  *   SO_TYPE
  *
  * The following options are available for Unix-only variants
  *   SO_SNDLOWAT
  *   SO_RCVLOWAT
  *   SO_SNDTIMEO
  *   SO_RCVTIMEO
  *   SO_PROTOTYPE - Not documented as being supported by CNU
  */
 /* defined in netinet/in.h */
 #define SO_DONTLINGER       ((int)(~SO_LINGER))
 #define SO_EXCLUSIVEADDRUSE ((int)(~SO_REUSEADDR))
 /*
  * Protocols (Base),
  * reference http://www.iana.org/assignments/protocol-numbers.html
  *   IPPROTO_IP
  *   IPPROTO_GGP
  *   IPPROTO_ICMP
  *   IPPROTO_IGMP
  *   IPPROTO_IPV4 / IPPROTO_IPIP
  *   IPPROTO_TCP
  *   IPPROTO_EGP
  *   IPPROTO_PUP
  *   IPPROTO_UDP
  *   IPPROTO_IDP
  *   IPPROTO_IPV6
  *   IPPROTO_ROUTING
  *   IPPROTO_FRAGMENT
  *   IPPROTO_ESP
  *   IPPROTO_AH
  *   IPPROTO_ICMPV6
  *   IPPROTO_NONE
  *   IPPROTO_DSTOPTS
  *   IPPROTO_ND
  *   IPPROTO_EON
  *   IPPROTO_IGRP
  *   IPPROTO_ENCAP
  *   IPPROTO_IPCOMP
  *   IPPROTO_RAW
  *   IPPROTO_MAX
  */
 /* defined in netinet/in.h */
 #ifndef IPPROTO_IPV4
 #define IPPROTO_IPV4         4
 #endif
 #ifndef IPPROTO_IPIP
 #define IPPROTO_IPIP  IPPROTO_IPV4
 #endif
 //#define IPPROTO_RSVP        46
 #define IPPROTO_IGRP        88  /* Cisco/GXS IGRP */
 #define IPPROTO_EIGRP       88
 #define IPPROTO_IPCOMP     108  /* IP payload compression */
 /*
  * Protocols (IPv6)
  *   Assumming if IPV6 is not there, then none of the are
  */
 #ifndef IPPROTO_IPV6
 #define IPPROTO_HOPOPTS      0  /* IPv6 hop-by-hop options */
 #define IPPROTO_IPV6        41  /* IPv6 */
 #define IPPROTO_ROUTING     43  /* IPv6 routing header */
 #define IPPROTO_FRAGMENT    44  /* IPv6 fragmentation header */
 #define IPPROTO_ICMPV6      58  /* ICMPv6 */
 #define IPPROTO_NONE        59  /* IPv6 no next header */
 #define IPPROTO_DSTOPTS     60  /* IPv6 destination options */
 #endif
 /*
  * Protocols (Local)
  * reference, RFC 3692
  *   IPPROTO_UNX       Local sockets Unix protocol
  *   IPPROTO_CDP       Non-Standard at 254, technially this value
  *                     is for experimentation and testing
  */
 /* defined in netinet/in.h */
 /*
  * Port/socket numbers: network standard functions
  * reference http://www.iana.org/assignments/port-numbers
  *  IPPORT_ECHO
  *  IPPORT_DISCARD
  *  IPPORT_SYSTAT
  *  IPPORT_DAYTIME
  *  IPPORT_NETSTAT
  *  IPPORT_FTP
  *  IPPORT_SSH
  *  IPPORT_TELNET
  *  IPPORT_SMTP
  *  IPPORT_TIMESERVER
  *  IPPORT_NAMESERVER
  *  IPPORT_WHOIS
  *  IPPORT_MTP
  *  IPPORT_HTTP
  *  IPPORT_NTP
  */
 /* defined in netinet/in.h */
 /*
  * Port/socket numbers: host specific functions
  *
  *  IPPORT_TFTP
  *  IPPORT_RJE
  *  IPPORT_FINGER
  *  IPPORT_TTYLINK
  *  IPPORT_SUPDUP
  */
 /* defined in netinet/in.h */
 /*
  * UNIX TCP sockets
  *
  *  IPPORT_EXECSERVER
  *  IPPORT_LOGINSERVER
  *  IPPORT_CMDSERVER
  *  IPPORT_EFSSERVER
  */
 /* defined in netinet/in.h */
 /*
  * UNIX UDP sockets
  *
  *  IPPORT_BIFFUDP
  *  IPPORT_WHOSERVER
  *  IPPORT_ROUTESERVER
  */
 /* defined in netinet/in.h */
 /*
  * SCCP sockets
  */
 #define IPPORT_SCCP       2000
 /*
  * tbd: need to finalize placement.
  * Define range of ephemeral ports used for Cisco IP Phones.
  */
 #define CIPPORT_EPH_LOW         0xC000
 #define CIPPORT_EPH_HI          0xCFFF
 /*
  * Ports < IPPORT_RESERVED are reserved for
  * privileged processes (e.g. root).
  *
  * IPPORT_RESERVED
  * IPPORT_USERRESERVED
  */
 /* defined in netinet/in.h */
 /*
  * Define INADDR constants
  *   INADDR_ANY
  *   INADDR_LOOPBACK
  *   INADDR_BROADCAST
  */
 /* defined in netinet/in.h */
 /*
  * Define IN_CLASS constants/macros
  *   IN_CLASS{A|B|C|D}(x)
  *   IN_CLASS{A|B|C|D}_NET
  *   IN_CLASS{A|B|C|D}_NSHIFT
  *   IN_CLASS{A|B|C|D}_HOST
  *   IN_CLASS{A|B|C|D}_MAX
  */
 /*
  * sockaddr_storage:
  * Common superset of at least AF_INET, AF_INET6 and AF_LINK sockaddr
  * structures. Has sufficient size and alignment for those sockaddrs.
  */
 typedef uint16_t        sa_family_t;
 typedef struct
 {
     sa_family_t sun_family;  /* AF_LOCAL/AF_UNIX */
     char        sun_path[108];
 } cpr_sockaddr_un_t;
 /*
  * Desired maximum size, alignment size and related types.
  */
 #define _SS_MAXSIZE     256     /* Implementation specific max size */
 #define cpr_sun_len(a) sizeof(a)
 void cpr_set_sockun_addr(cpr_sockaddr_un_t *addr, const char *name, pid_t pid);
 /*
  * To represent desired sockaddr max alignment for platform, a
  * type is chosen which may depend on implementation platform architecture.
  * Type chosen based on alignment size restrictions from <sys/isa_defs.h>.
  * We desire to force up to (but no more than) 64-bit (8 byte) alignment,
  * on platforms where it is possible to do so. (e.g not possible on ia32).
  * For all currently supported platforms by our implementation
  * in <sys/isa_defs.h>, (i.e. sparc, sparcv9, ia32, ia64)
  * type "double" is suitable for that intent.
  *
  * Note: Type "double" is chosen over the more obvious integer type int64_t.
  *   int64_t is not a valid type for strict ANSI/ISO C compilation on ILP32.
  */
 typedef double          sockaddr_maxalign_t;
 #define _SS_ALIGNSIZE   (sizeof (sockaddr_maxalign_t))
 /*
  * Definitions used for sockaddr_storage structure paddings design.
  */
 #define _SS_PAD1SIZE    (_SS_ALIGNSIZE - sizeof (sa_family_t))
 #define _SS_PAD2SIZE    (_SS_MAXSIZE - (sizeof (sa_family_t)+ \
                         _SS_PAD1SIZE + _SS_ALIGNSIZE))
 #ifndef __cplusplus
 typedef struct cpr_sockaddr_storage sockaddr_storage;
 #endif
 /*
  * IP level options
  *   IP_HDRINCL
  *   IP_TOS
  *   IP_TTL
  */
 /* defined in netinet/in.h */
 /*
  * TCP level options
  *   TCP_NODELAY
  *   TCP_MAXSEG
  *   TCP_KEEPALIVE
  */
 /* defined in netinet/tcp.h */
 /* TODO: Still to cleanup */
 /*
  * WinSock 2 extension -- new options
  */
 #define SO_MAX_MSG_SIZE   0x2003    /* maximum message size */
 #define SO_NBIO                 0x0400  /* Nonblocking socket I/O operation */
 #define SO_ASYNC                0x0800  /* should send asyn notification of
                                          * I/O events */
 #define SO_VRFTABLEID           0x1000  /* set VRF routing table id */
 #define SO_SRC_SPECIFIED        0x2000  /* Specified Source Address to be used */
 #define SO_STRICT_ADDR_BIND     0x4000  /* Accept only those packets that have
                                          * been sent to the address that this
                                          * socket is bound to */
 /*
  * Used for getting random port for tls connect
  */
 #define TCP_PORT_RETRY_CNT      5
 #define TCP_PORT_MASK           0xfff
 #endif

The Tor Browser / annotate

media/webrtc/signaling/src/sipcc/cpr/android/cpr_android_socket.h@ac0c01689b40 (annotated)

media/webrtc/signaling/src/sipcc/cpr/android/cpr_android_socket.h