granicus.if.org Git - strace/blob - sock.c

   1 /*
   2  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  *
  27  *      $Id$
  28  */
  29
  30 #include "defs.h"
  31
  32 #ifdef LINUX
  33 #include <sys/socket.h>
  34 #include <linux/sockios.h>
  35 #else
  36 #include <sys/sockio.h>
  37 #endif
  38 #include <arpa/inet.h>
  39
  40 #if defined (ALPHA) || defined(SH) || defined(SH64)
  41 #ifdef HAVE_SYS_IOCTL_H
  42 #include <sys/ioctl.h>
  43 #elif defined(HAVE_IOCTLS_H)
  44 #include <ioctls.h>
  45 #endif
  46 #endif
  47 #include <net/if.h>
  48
  49 extern const struct xlat addrfams[];
  50
  51 int
  52 sock_ioctl(tcp, code, arg)
  53 struct tcb *tcp;
  54 long code, arg;
  55 {
  56         struct ifreq ifr;
  57         struct ifconf ifc;
  58
  59         if (entering(tcp)) {
  60                 if (code == SIOCGIFCONF) {
  61                         umove(tcp, tcp->u_arg[2], &ifc);
  62                         if (ifc.ifc_buf == NULL)
  63                                 tprintf(", {%d -> ", ifc.ifc_len);
  64                         else
  65                                 tprintf(", {");
  66                 }
  67                 return 0;
  68         }
  69
  70         switch (code) {
  71 #ifdef SIOCSHIWAT
  72         case SIOCSHIWAT:
  73 #endif
  74 #ifdef SIOCGHIWAT
  75         case SIOCGHIWAT:
  76 #endif
  77 #ifdef SIOCSLOWAT
  78         case SIOCSLOWAT:
  79 #endif
  80 #ifdef SIOCGLOWAT
  81         case SIOCGLOWAT:
  82 #endif
  83 #ifdef FIOSETOWN
  84         case FIOSETOWN:
  85 #endif
  86 #ifdef FIOGETOWN
  87         case FIOGETOWN:
  88 #endif
  89 #ifdef SIOCSPGRP
  90         case SIOCSPGRP:
  91 #endif
  92 #ifdef SIOCGPGRP
  93         case SIOCGPGRP:
  94 #endif
  95 #ifdef SIOCATMARK
  96         case SIOCATMARK:
  97 #endif
  98                 printnum(tcp, arg, ", %#d");
  99                 return 1;
 100 #ifdef LINUX
 101         case SIOCGIFNAME:
 102         case SIOCGIFINDEX:
 103                 umove(tcp, tcp->u_arg[2], &ifr);
 104                 if (syserror(tcp)) {
 105                         if (code == SIOCGIFNAME)
 106                                 tprintf(", {%d, ???}", ifr.ifr_ifindex);
 107                         else if (code == SIOCGIFINDEX)
 108                                 tprintf(", {???, \"%s\"}", ifr.ifr_name);
 109                 } else
 110                         tprintf(", {%d, \"%s\"}",
 111                                 ifr.ifr_ifindex, ifr.ifr_name);
 112                 return 1;
 113         case SIOCGIFCONF:
 114                 umove(tcp, tcp->u_arg[2], &ifc);
 115                 tprintf("%d, ", ifc.ifc_len);
 116                 if (syserror(tcp)) {
 117                         tprintf("%lx", (unsigned long) ifc.ifc_buf);
 118                 } else if (ifc.ifc_buf == NULL) {
 119                         tprintf("NULL");
 120                 } else {
 121                         int i;
 122                         unsigned nifra = ifc.ifc_len / sizeof(struct ifreq);
 123                         struct ifreq ifra[nifra];
 124                         umoven(tcp, (unsigned long) ifc.ifc_buf, sizeof(ifra),
 125                                (char *) ifra);
 126                         tprintf("{");
 127                         for (i = 0; i < nifra; ++i ) {
 128                                 if (i > 0)
 129                                         tprintf(", ");
 130                                 tprintf("{\"%s\", {",
 131                                         ifra[i].ifr_name);
 132                                 if (verbose(tcp)) {
 133                                         printxval(addrfams,
 134                                                   ifra[i].ifr_addr.sa_family,
 135                                                   "AF_???");
 136                                         tprintf(", ");
 137                                         if (ifra[i].ifr_addr.sa_family == AF_INET) {
 138                                                 struct sockaddr_in *sinp;
 139                                                 sinp = (struct sockaddr_in *) &ifra[i].ifr_addr;
 140                                                 tprintf("inet_addr(\"%s\")",
 141                                                         inet_ntoa(sinp->sin_addr));
 142                                         } else
 143                                                 printstr(tcp,
 144                                                          (long) &ifra[i].ifr_addr.sa_data,
 145                                                          sizeof(ifra[i].ifr_addr.sa_data));
 146                                 } else
 147                                         tprintf("...");
 148                                 tprintf("}}");
 149                         }
 150                         tprintf("}");
 151                 }
 152                 tprintf("}");
 153                 return 1;
 154 #endif
 155         default:
 156                 return 0;
 157         }
 158 }