Mercurial > hg > freeDiameter
view libfdcore/cnxctx.h @ 931:155d45d06530 1.1.6
Updated copyright information
author | Sebastien Decugis <sdecugis@freediameter.net> |
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date | Sun, 03 Mar 2013 09:15:36 +0100 |
parents | 43fb27a9037f |
children | 1d7b3ebda27f |
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/********************************************************************************************************* * Software License Agreement (BSD License) * * Author: Sebastien Decugis <sdecugis@freediameter.net> * * * * Copyright (c) 2012, WIDE Project and NICT * * All rights reserved. * * * * Redistribution and use of this software in source and binary forms, with or without modification, are * * permitted provided that the following conditions are met: * * * * * Redistributions of source code must retain the above * * copyright notice, this list of conditions and the * * following disclaimer. * * * * * Redistributions in binary form must reproduce the above * * copyright notice, this list of conditions and the * * following disclaimer in the documentation and/or other * * materials provided with the distribution. * * * * * Neither the name of the WIDE Project or NICT nor the * * names of its contributors may be used to endorse or * * promote products derived from this software without * * specific prior written permission of WIDE Project and * * NICT. * * * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *********************************************************************************************************/ /* This file contains the definitions for internal use in the connection context files */ #ifndef _CNXCTX_H #define _CNXCTX_H /* The connection context structure */ struct cnxctx { char cc_id[60]; /* The name of this connection */ char cc_remid[60]; /* Id of remote peer */ int cc_socket; /* The socket object of the connection -- <=0 if no socket is created */ int cc_family; /* AF_INET or AF_INET6 (mixed) */ int cc_proto; /* IPPROTO_TCP or IPPROTO_SCTP */ uint32_t cc_state; /* True if the object is being destroyed: we don't send events anymore. access with fd_cnx_getstate() */ #define CC_STATUS_CLOSING 1 #define CC_STATUS_ERROR 2 #define CC_STATUS_SIGNALED 4 #define CC_STATUS_TLS 8 pthread_t cc_rcvthr; /* thread for receiving messages on the connection */ int cc_loop; /* tell the thread if it loops or stops after the first message is received */ struct fifo * cc_incoming; /* FIFO queue of events received on the connection, FDEVP_CNX_* */ struct fifo * cc_alt; /* alternate fifo to send FDEVP_CNX_* events to. */ /* If cc_tls == true */ struct { DiamId_t cn; /* If not NULL, remote certif will be checked to match this Common Name */ int mode; /* GNUTLS_CLIENT / GNUTLS_SERVER */ gnutls_session_t session; /* Session object (stream #0 in case of SCTP) */ struct timespec recvon; /* Timestamp of the last chunk of data received on this session -- before uncipher */ } cc_tls_para; /* If cc_proto == SCTP */ struct { uint16_t str_out; /* Out streams */ uint16_t str_in; /* In streams */ uint16_t pairs; /* max number of pairs ( = min(in, out)) */ uint16_t next; /* # of stream the next message will be sent to */ } cc_sctp_para; /* If both conditions */ struct { struct sctps_ctx *array; /* an array of cc_sctp_para.pairs elements -- the #0 is special (session is outside)*/ struct sr_store *sess_store; /* Session data of the master session, to resume the children sessions */ } cc_sctps_data; }; void fd_cnx_markerror(struct cnxctx * conn); uint32_t fd_cnx_getstate(struct cnxctx * conn); int fd_cnx_teststate(struct cnxctx * conn, uint32_t flag); void fd_cnx_addstate(struct cnxctx * conn, uint32_t orstate); void fd_cnx_setstate(struct cnxctx * conn, uint32_t abstate); struct fifo * fd_cnx_target_queue(struct cnxctx * conn); /* Socket */ ssize_t fd_cnx_s_recv(struct cnxctx * conn, void *buffer, size_t length); void fd_cnx_s_setto(int sock); /* TLS */ int fd_tls_rcvthr_core(struct cnxctx * conn, gnutls_session_t session); int fd_tls_prepare(gnutls_session_t * session, int mode, char * priority, void * alt_creds); #ifndef GNUTLS_VERSION_300 int fd_tls_verify_credentials(gnutls_session_t session, struct cnxctx * conn, int verbose); #endif /* GNUTLS_VERSION_300 */ /* TCP */ int fd_tcp_create_bind_server( int * sock, sSA * sa, socklen_t salen ); int fd_tcp_listen( int sock ); int fd_tcp_client( int *sock, sSA * sa, socklen_t salen ); int fd_tcp_get_local_ep(int sock, sSS * ss, socklen_t *sl); int fd_tcp_get_remote_ep(int sock, sSS * ss, socklen_t *sl); #ifndef DISABLE_SCTP /* SCTP */ int fd_sctp_create_bind_server( int * sock, int family, struct fd_list * list, uint16_t port ); int fd_sctp_listen( int sock ); int fd_sctp_client( int *sock, int no_ip6, uint16_t port, struct fd_list * list ); int fd_sctp_get_local_ep(int sock, struct fd_list * list); int fd_sctp_get_remote_ep(int sock, struct fd_list * list); int fd_sctp_get_str_info( int sock, uint16_t *in, uint16_t *out, sSS *primary ); int fd_sctp_sendstr(struct cnxctx * conn, uint16_t strid, uint8_t * buf, size_t len); int fd_sctp_recvmeta(struct cnxctx * conn, uint16_t * strid, uint8_t ** buf, size_t * len, int *event); /* TLS over SCTP (multi-stream) */ struct sctps_ctx { struct cnxctx *parent; /* for info such as socket, conn name, event list */ uint16_t strid; /* Stream # of this session */ struct fifo *raw_recv; /* Raw data received on this stream, for demux */ struct { uint8_t *buf; size_t bufsz; size_t offset; } partial; /* If the pull function did not read the full content of first message in raw, it stores it here for next read call. */ struct timespec recvon; /* Timestamp of the last chunk of data received on this stream -- before uncipher */ pthread_t thr; /* Thread to decrypt raw data in this pair of streams */ gnutls_session_t session; /* TLS context using this pair of streams -- except if strid == 0, in that case session is outside the array */ }; int fd_sctps_init(struct cnxctx * conn); int fd_sctps_handshake_others(struct cnxctx * conn, char * priority, void * alt_creds); int fd_sctps_startthreads(struct cnxctx * conn, int others); void fd_sctps_bye(struct cnxctx * conn); void fd_sctps_waitthreadsterm(struct cnxctx * conn); void fd_sctps_gnutls_deinit_others(struct cnxctx * conn); void fd_sctps_stopthreads(struct cnxctx * conn); void fd_sctps_destroy(struct cnxctx * conn); #endif /* DISABLE_SCTP */ #endif /* _CNXCTX_H */