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annotate freeDiameter/cnxctx.h @ 59:067ab3fc6093

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Cleanups in debug messages
author Sebastien Decugis <sdecugis@nict.go.jp>
date Mon, 30 Nov 2009 14:50:25 +0900
parents 26685c67d387
children 30a7252cbb55
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1 /*********************************************************************************************************
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2 * Software License Agreement (BSD License) *
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3 * Author: Sebastien Decugis <sdecugis@nict.go.jp> *
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4 * *
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5 * Copyright (c) 2009, WIDE Project and NICT *
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6 * All rights reserved. *
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7 * *
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8 * Redistribution and use of this software in source and binary forms, with or without modification, are *
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9 * permitted provided that the following conditions are met: *
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10 * *
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11 * * Redistributions of source code must retain the above *
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12 * copyright notice, this list of conditions and the *
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13 * following disclaimer. *
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14 * *
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15 * * Redistributions in binary form must reproduce the above *
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16 * copyright notice, this list of conditions and the *
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17 * following disclaimer in the documentation and/or other *
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18 * materials provided with the distribution. *
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19 * *
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20 * * Neither the name of the WIDE Project or NICT nor the *
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21 * names of its contributors may be used to endorse or *
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22 * promote products derived from this software without *
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23 * specific prior written permission of WIDE Project and *
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24 * NICT. *
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25 * *
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26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
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29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
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30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
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31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
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32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
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33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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34 *********************************************************************************************************/
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35
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36 /* This file contains the definitions for internal use in the connection context files */
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37
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38 #ifndef _CNXCTX_H
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39 #define _CNXCTX_H
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40
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41 /* The connection context structure */
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42 struct cnxctx {
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43 char cc_id[60]; /* The name of this connection */
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44 char cc_remid[60]; /* Id of remote peer */
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45
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46 int cc_socket; /* The socket object of the connection -- <=0 if no socket is created */
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47
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48 int cc_proto; /* IPPROTO_TCP or IPPROTO_SCTP */
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49 int cc_tls; /* Is TLS already started ? */
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50
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51 pthread_t cc_rcvthr; /* thread for receiving messages on the connection */
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52 int cc_loop; /* tell the thread if it loops or stops after the first message is received */
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53
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54 struct fifo * cc_incoming; /* FIFO queue of events received on the connection, FDEVP_CNX_* */
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55 struct fifo * cc_alt; /* alternate fifo to send FDEVP_CNX_* events to. */
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56 #define Target_Queue(cnx) ((cnx)->cc_alt ?: (cnx)->cc_incoming)
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57
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58 /* If cc_tls == true */
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59 struct {
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60 char *cn; /* If not NULL, remote certif will be checked to match this Common Name */
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61 int mode; /* GNUTLS_CLIENT / GNUTLS_SERVER */
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62 gnutls_session_t session; /* Session object (stream #0 in case of SCTP) */
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63 } cc_tls_para;
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64
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65 /* If cc_proto == SCTP */
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66 struct {
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67 uint16_t str_out; /* Out streams */
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68 uint16_t str_in; /* In streams */
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69 uint16_t pairs; /* max number of pairs ( = min(in, out)) */
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70 uint16_t next; /* # of stream the next message will be sent to */
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71 } cc_sctp_para;
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72
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73 /* If both conditions */
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74 struct {
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75 struct sctps_ctx *array; /* an array of cc_sctp_para.pairs elements -- the #0 is special (session is outside)*/
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76 struct sr_store *sess_store; /* Session data of the master session, to resume the children sessions */
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77 } cc_sctps_data;
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78 };
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79
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80 /* TLS */
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81 int fd_tls_rcvthr_core(struct cnxctx * conn, gnutls_session_t session);
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82 int fd_tls_prepare(gnutls_session_t * session, int mode, char * priority, void * alt_creds);
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83 int fd_tls_verify_credentials(gnutls_session_t session, struct cnxctx * conn, int verbose);
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84
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85 /* TCP */
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86 int fd_tcp_create_bind_server( int * sock, sSA * sa, socklen_t salen );
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87 int fd_tcp_listen( int sock );
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88 int fd_tcp_client( int *sock, sSA * sa, socklen_t salen );
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89 int fd_tcp_get_local_ep(int sock, sSS * ss, socklen_t *sl);
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90 int fd_tcp_get_remote_ep(int sock, sSS * ss, socklen_t *sl);
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91
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92 #ifndef DISABLE_SCTP
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93 /* SCTP */
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94 int fd_sctp_create_bind_server( int * sock, struct fd_list * list, uint16_t port );
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95 int fd_sctp_listen( int sock );
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96 int fd_sctp_client( int *sock, int no_ip6, uint16_t port, struct fd_list * list );
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97 int fd_sctp_get_local_ep(int sock, struct fd_list * list);
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98 int fd_sctp_get_remote_ep(int sock, struct fd_list * list);
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99 int fd_sctp_get_str_info( int sock, uint16_t *in, uint16_t *out, sSS *primary );
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100 int fd_sctp_sendstr(int sock, uint16_t strid, uint8_t * buf, size_t len);
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101 int fd_sctp_recvmeta(int sock, uint16_t * strid, uint8_t ** buf, size_t * len, int *event);
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102
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103 /* TLS over SCTP (multi-stream) */
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104 struct sctps_ctx {
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105 struct cnxctx *parent; /* for info such as socket, conn name, event list */
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106 uint16_t strid; /* Stream # of this session */
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107 struct fifo *raw_recv; /* Raw data received on this stream, for demux */
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108 struct {
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109 uint8_t *buf;
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110 size_t bufsz;
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111 size_t offset;
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112 } partial; /* If the pull function did not read the full content of first message in raw, it stores it here for next read call. */
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113 pthread_t thr; /* Thread to decrypt raw data in this pair of streams */
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114 gnutls_session_t session; /* TLS context using this pair of streams -- except if strid == 0, in that case session is outside the array */
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115 };
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116
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117 int fd_sctps_init(struct cnxctx * conn);
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118 int fd_sctps_handshake_others(struct cnxctx * conn, char * priority, void * alt_creds);
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119 int fd_sctps_startthreads(struct cnxctx * conn);
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120 void fd_sctps_stopthreads(struct cnxctx * conn);
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121 void fd_sctps_destroy(struct cnxctx * conn);
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122
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123 #endif /* DISABLE_SCTP */
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124
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125 #endif /* _CNXCTX_H */
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126
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