Return to ts2bridge.c CVS log

Up to [CSRG BSD Unix] / 43BSDReno / contrib / isode-beta / tsap

Annotation of 43BSDReno/contrib/isode-beta/tsap/ts2bridge.c, revision 1.1

1.1     ! root        1: /* ts2bridge.c - TPM: X.25 interface via bridge */
        !             2: 
        !             3: #ifndef        lint
        !             4: static char *rcsid = "$Header: /f/osi/tsap/RCS/ts2bridge.c,v 7.3 90/07/09 14:51:11 mrose Exp $";
        !             5: #endif
        !             6: 
        !             7: /* 
        !             8:  * $Header: /f/osi/tsap/RCS/ts2bridge.c,v 7.3 90/07/09 14:51:11 mrose Exp $
        !             9:  *
        !            10:  * Contributed by Julian Onions, Nottingham University in the UK
        !            11:  *
        !            12:  *
        !            13:  * $Log:       ts2bridge.c,v $
        !            14:  * Revision 7.3  90/07/09  14:51:11  mrose
        !            15:  * sync
        !            16:  * 
        !            17:  * Revision 7.2  90/03/23  17:31:14  mrose
        !            18:  * 8
        !            19:  * 
        !            20:  * Revision 7.1  89/12/07  01:07:34  mrose
        !            21:  * queued writes
        !            22:  * 
        !            23:  * Revision 7.0  89/11/23  22:30:35  mrose
        !            24:  * Release 6.0
        !            25:  * 
        !            26:  */
        !            27: 
        !            28: /*
        !            29:  *                               NOTICE
        !            30:  *
        !            31:  *    Acquisition, use, and distribution of this module and related
        !            32:  *    materials are subject to the restrictions of a license agreement.
        !            33:  *    Consult the Preface in the User's Manual for the full terms of
        !            34:  *    this agreement.
        !            35:  *
        !            36:  */
        !            37: 
        !            38: 
        !            39: /* LINTLIBRARY */
        !            40: 
        !            41: #include <stdio.h>
        !            42: #include "tpkt.h"
        !            43: #ifdef BRIDGE_X25
        !            44: #include <sys/uio.h>
        !            45: #include <sys/ioctl.h>
        !            46: #include "tailor.h"
        !            47: 
        !            48: /*
        !            49:  * This could be anything up to the size TCP encapsualtion howver, to
        !            50:  * interwork with the X.25 it should be the same as X.25's MAXNSDU.
        !            51:  * This define is clearly a hack - but including x25.h messes things up more!
        !            52:  */
        !            53: #define       MAXNSDU (1024)
        !            54:   
        !            55: extern int errno;
        !            56: 
        !            57: /*    N-CONNECT.REQUEST */
        !            58: /* ARGSUSED */
        !            59: int    bridgeopen (tb, local, remote, td, async)
        !            60: register struct tsapblk *tb;
        !            61: struct NSAPaddr *local,
        !            62:                *remote;
        !            63: struct TSAPdisconnect *td;
        !            64: {
        !            65:     register int    fd;
        !            66: 
        !            67:     if ((fd = start_bridge_client (local)) == NOTOK)
        !            68:        return tsaplose (td, DR_CONGEST, "socket", "unable to start");
        !            69: 
        !            70:     tb -> tb_fd = fd;
        !            71:     (void) BTService (tb);
        !            72: 
        !            73:     if (join_bridge_server (fd, remote) == NOTOK) {
        !            74:        (void) tsaplose (td, DR_REFUSED, "connection", "unable to establish");
        !            75:        (void) close_bridge_socket (fd);
        !            76:        return (tb -> tb_fd = NOTOK);
        !            77:     }
        !            78:     return DONE;
        !            79: }
        !            80: 
        !            81: /*  */
        !            82: 
        !            83: /* ARGSUSED */
        !            84: 
        !            85: static int  bridgeretry (tb, td)
        !            86: struct tsapblk *tb;
        !            87: struct TSAPdisconnect *td;
        !            88: {
        !            89:     int        fd = tb -> tb_fd;
        !            90:     fd_set mask;
        !            91: 
        !            92:     FD_ZERO (&mask);
        !            93:     FD_SET (fd, &mask);
        !            94: 
        !            95:     if (xselect (fd + 1, NULLFD, &mask, NULLFD, 0) < 1)
        !            96:        return OK;
        !            97: 
        !            98:     return DONE;
        !            99: }
        !           100: 
        !           101: /*    init for read from network/write to network */
        !           102: 
        !           103: #define        bridgeinit              tcpinit
        !           104: #define bridgeread             read
        !           105: int    close_bridge_socket ();
        !           106: #define select_bridge_socket   selsocket
        !           107: 
        !           108: int    tcpinit ();
        !           109: int    tcpwrite ();
        !           110: int    selsocket ();
        !           111: int    read ();
        !           112: 
        !           113: /*  */
        !           114: 
        !           115: /* ARGSUSED */
        !           116: 
        !           117: char   *bridgesave (fd, dte1, l1, dte2, l2, td)
        !           118: int    fd;
        !           119: char   *dte1;
        !           120: int     l1;
        !           121: char   *dte2;
        !           122: int     l2;
        !           123: struct TSAPdisconnect *td;
        !           124: {
        !           125:     static char buffer[BUFSIZ];
        !           126: 
        !           127:     (void) sprintf (buffer, "%c%d %*s %*s",
        !           128:                         NT_BRG, fd, l1, dte1, l2, dte2);
        !           129:     return buffer;
        !           130: }
        !           131: 
        !           132: 
        !           133: int    bridgerestore (tb, buffer, td)
        !           134: register struct tsapblk *tb;
        !           135: char   *buffer;
        !           136: struct TSAPdisconnect *td;
        !           137: {
        !           138:     int     fd;
        !           139:     char    dte1[NSAP_DTELEN + 1],
        !           140:             dte2[NSAP_DTELEN + 1];
        !           141:     register struct NSAPaddr   *na;
        !           142:     register struct tsapADDR   *ta;
        !           143: 
        !           144:     if (sscanf (buffer, "%d %s %s", &fd, dte1, dte2) != 3 || fd < 0)
        !           145:        return tsaplose (td, DR_PARAMETER, NULLCP,
        !           146:                "bad initialization vector \"%s\"", buffer);
        !           147: 
        !           148:     ta = &tb -> tb_initiating;
        !           149:     ta -> ta_present = 1;
        !           150:     na = &ta -> ta_addr;
        !           151:     na -> na_stack = NA_BRG;
        !           152:     na -> na_community = ts_comm_x25_default;
        !           153:     bcopy(dte1, na -> na_dte, strlen(dte1));
        !           154:     na -> na_dtelen = strlen (na -> na_dte);
        !           155: 
        !           156:     tb -> tb_fd = fd;
        !           157:     (void) BTService (tb);
        !           158: 
        !           159:     ta = &tb -> tb_responding;
        !           160:     ta -> ta_present = 1;
        !           161:     na = &ta -> ta_addr;
        !           162:     na -> na_stack = NA_BRG;
        !           163:     na -> na_community = ts_comm_x25_default;
        !           164:     bcopy(dte1, na -> na_dte, strlen(dte2));
        !           165:     na -> na_dtelen = strlen (na -> na_dte);
        !           166: 
        !           167:     return OK;
        !           168: }
        !           169: 
        !           170: /*  */
        !           171: 
        !           172: int    BTService (tb)
        !           173: register struct tsapblk *tb;
        !           174: {
        !           175:     tb -> tb_flags |= TB_BRG;
        !           176: 
        !           177:     tb -> tb_tsdusize = MAXNSDU - (tb -> tb_tpduslop = DT_MAGIC);
        !           178: 
        !           179:     tb -> tb_retryfnx = bridgeretry;
        !           180: 
        !           181:     tb -> tb_initfnx = bridgeinit;
        !           182:     tb -> tb_readfnx = bridgeread;
        !           183:     tb -> tb_writefnx = tp0write;
        !           184:     tb -> tb_closefnx = close_bridge_socket;
        !           185:     tb -> tb_selectfnx = select_bridge_socket;
        !           186: 
        !           187:     tp0init (tb);
        !           188: }
        !           189: #endif

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.