usr.sbin/atm/atmarpd/atmarp_config.c

   1 /*
   2  *
   3  * ===================================
   4  * HARP  |  Host ATM Research Platform
   5  * ===================================
   6  *
   7  *
   8  * This Host ATM Research Platform ("HARP") file (the "Software") is
   9  * made available by Network Computing Services, Inc. ("NetworkCS")
  10  * "AS IS".  NetworkCS does not provide maintenance, improvements or
  11  * support of any kind.
  12  *
  13  * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
  14  * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
  15  * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
  16  * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
  17  * In no event shall NetworkCS be responsible for any damages, including
  18  * but not limited to consequential damages, arising from or relating to
  19  * any use of the Software or related support.
  20  *
  21  * Copyright 1994-1998 Network Computing Services, Inc.
  22  *
  23  * Copies of this Software may be made, however, the above copyright
  24  * notice must be reproduced on all copies.
  25  *
  26  *      @(#) $FreeBSD: src/usr.sbin/atm/atmarpd/atmarp_config.c,v 1.3 1999/08/28 01:15:29 peter Exp $
  27  *      @(#) $DragonFly: src/usr.sbin/atm/atmarpd/atmarp_config.c,v 1.3 2003/11/15 20:33:42 eirikn Exp $
  28  */
  29
  30 /*
  31  * Server Cache Synchronization Protocol (SCSP) Support
  32  * ----------------------------------------------------
  33  *
  34  * SCSP-ATMARP server interface: configuration support
  35  *
  36  */
  37
  38 #include <sys/types.h>
  39 #include <sys/param.h>
  40 #include <sys/socket.h>
  41 #include <net/if.h>
  42 #include <netinet/in.h>
  43 #include <netatm/port.h>
  44 #include <netatm/queue.h>
  45 #include <netatm/atm.h>
  46 #include <netatm/atm_if.h>
  47 #include <netatm/atm_sap.h>
  48 #include <netatm/atm_sys.h>
  49 #include <netatm/atm_ioctl.h>
  50
  51 #include <errno.h>
  52 #include <libatm.h>
  53 #include <stdio.h>
  54 #include <stdlib.h>
  55 #include <string.h>
  56 #include <syslog.h>
  57
  58 #include "../scspd/scsp_msg.h"
  59 #include "../scspd/scsp_if.h"
  60 #include "../scspd/scsp_var.h"
  61 #include "atmarp_var.h"
  62
  63 /*
  64  * Configure network interface for ATMARP cache synchronization
  65  *
  66  * Verify the network interface name and set the appropriate fields
  67  * in the ATMARP interface entry.
  68  *
  69  * Arguments:
  70  *      netif   pointer to network interface name
  71  *
  72  * Returns:
  73  *      0       success
  74  *      errno   reason for failure
  75  *
  76  */
  77 int
  78 atmarp_cfg_netif(char *netif)
  79 {
  80         int                     rc;
  81         Atmarp_intf             *aip = NULL;
  82
  83         /*
  84          * Get an ATMARP interface block
  85          */
  86         aip = (Atmarp_intf *)UM_ALLOC(sizeof(Atmarp_intf));
  87         if (!aip)
  88                 atmarp_mem_err("atmarp_cfg_netif: sizeof(Atmarp_intf)");
  89         UM_ZERO(aip, sizeof(Atmarp_intf));
  90
  91         /*
  92          * Make sure we're configuring a valid
  93          * network interface
  94          */
  95         rc = verify_nif_name(netif);
  96         if (rc == 0) {
  97                 fprintf(stderr, "%s: \"%s\" is not a valid network interface\n",
  98                                 prog, netif);
  99                 rc = EINVAL;
 100                 goto cfg_fail;
 101         } else if (rc < 0) {
 102                 rc = errno;
 103                 fprintf(stderr, "%s: can't verify network interface \"%s\"\n",
 104                                 prog, netif);
 105                 goto cfg_fail;
 106         }
 107
 108         /*
 109          * Update the interface entry
 110          */
 111         strcpy(aip->ai_intf, netif);
 112         aip->ai_state = AI_STATE_NULL;
 113         aip->ai_scsp_sock = -1;
 114         LINK2TAIL(aip, Atmarp_intf, atmarp_intf_head, ai_next);
 115
 116         return(0);
 117
 118 cfg_fail:
 119         if (aip)
 120                 UM_FREE(aip);
 121
 122         return(rc);
 123 }