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 #include <sys/socket.h>
  33 #include <linux/sockios.h>
  34 #include <arpa/inet.h>
  35
  36 #if defined (ALPHA) || defined(SH) || defined(SH64)
  37 #ifdef HAVE_SYS_IOCTL_H
  38 #include <sys/ioctl.h>
  39 #elif defined(HAVE_IOCTLS_H)
  40 #include <ioctls.h>
  41 #endif
  42 #endif
  43 #include <net/if.h>
  44
  45 static const struct xlat iffflags[] = {
  46         { IFF_UP,               "IFF_UP"                },
  47         { IFF_BROADCAST,        "IFF_BROADCAST"         },
  48         { IFF_DEBUG,            "IFF_DEBUG"             },
  49         { IFF_LOOPBACK,         "IFF_LOOPBACK"          },
  50         { IFF_POINTOPOINT,      "IFF_POINTOPOINT"       },
  51         { IFF_NOTRAILERS,       "IFF_NOTRAILERS"        },
  52         { IFF_RUNNING,          "IFF_RUNNING"           },
  53         { IFF_NOARP,            "IFF_NOARP"             },
  54         { IFF_PROMISC,          "IFF_PROMISC"           },
  55         { IFF_ALLMULTI,         "IFF_ALLMULTI"          },
  56         { IFF_MASTER,           "IFF_MASTER"            },
  57         { IFF_SLAVE,            "IFF_SLAVE"             },
  58         { IFF_MULTICAST,        "IFF_MULTICAST"         },
  59         { IFF_PORTSEL,          "IFF_PORTSEL"           },
  60         { IFF_AUTOMEDIA,        "IFF_AUTOMEDIA"         },
  61         { 0,                    NULL                    }
  62 };
  63
  64
  65 static void
  66 print_addr(struct tcb *tcp, long addr, struct ifreq *ifr)
  67 {
  68         if (ifr->ifr_addr.sa_family == AF_INET) {
  69                 struct sockaddr_in *sinp;
  70                 sinp = (struct sockaddr_in *) &ifr->ifr_addr;
  71                 tprintf("inet_addr(\"%s\")", inet_ntoa(sinp->sin_addr));
  72         } else
  73                 printstr(tcp, addr, sizeof(ifr->ifr_addr.sa_data));
  74 }
  75
  76 int
  77 sock_ioctl(struct tcb *tcp, long code, long arg)
  78 {
  79         struct ifreq ifr;
  80         struct ifconf ifc;
  81         const char *str = NULL;
  82         unsigned char *bytes;
  83
  84         if (entering(tcp)) {
  85                 if (code == SIOCGIFCONF) {
  86                         if (umove(tcp, tcp->u_arg[2], &ifc) >= 0
  87                             && ifc.ifc_buf == NULL)
  88                                 tprintf(", {%d -> ", ifc.ifc_len);
  89                         else
  90                                 tprints(", {");
  91                 }
  92                 return 0;
  93         }
  94
  95         switch (code) {
  96 #ifdef SIOCSHIWAT
  97         case SIOCSHIWAT:
  98 #endif
  99 #ifdef SIOCGHIWAT
 100         case SIOCGHIWAT:
 101 #endif
 102 #ifdef SIOCSLOWAT
 103         case SIOCSLOWAT:
 104 #endif
 105 #ifdef SIOCGLOWAT
 106         case SIOCGLOWAT:
 107 #endif
 108 #ifdef FIOSETOWN
 109         case FIOSETOWN:
 110 #endif
 111 #ifdef FIOGETOWN
 112         case FIOGETOWN:
 113 #endif
 114 #ifdef SIOCSPGRP
 115         case SIOCSPGRP:
 116 #endif
 117 #ifdef SIOCGPGRP
 118         case SIOCGPGRP:
 119 #endif
 120 #ifdef SIOCATMARK
 121         case SIOCATMARK:
 122 #endif
 123                 printnum(tcp, arg, ", %#d");
 124                 return 1;
 125         case SIOCGIFNAME:
 126         case SIOCSIFNAME:
 127         case SIOCGIFINDEX:
 128         case SIOCGIFADDR:
 129         case SIOCSIFADDR:
 130         case SIOCGIFDSTADDR:
 131         case SIOCSIFDSTADDR:
 132         case SIOCGIFBRDADDR:
 133         case SIOCSIFBRDADDR:
 134         case SIOCGIFNETMASK:
 135         case SIOCSIFNETMASK:
 136         case SIOCGIFFLAGS:
 137         case SIOCSIFFLAGS:
 138         case SIOCGIFMETRIC:
 139         case SIOCSIFMETRIC:
 140         case SIOCGIFMTU:
 141         case SIOCSIFMTU:
 142         case SIOCGIFSLAVE:
 143         case SIOCSIFSLAVE:
 144         case SIOCGIFHWADDR:
 145         case SIOCSIFHWADDR:
 146         case SIOCGIFTXQLEN:
 147         case SIOCSIFTXQLEN:
 148         case SIOCGIFMAP:
 149         case SIOCSIFMAP:
 150                 if (umove(tcp, tcp->u_arg[2], &ifr) < 0)
 151                         tprintf(", %#lx", tcp->u_arg[2]);
 152                 else if (syserror(tcp)) {
 153                         if (code == SIOCGIFNAME || code == SIOCSIFNAME)
 154                                 tprintf(", {ifr_index=%d, ifr_name=???}", ifr.ifr_ifindex);
 155                         else
 156                                 tprintf(", {ifr_name=\"%s\", ???}", ifr.ifr_name);
 157                 } else if (code == SIOCGIFNAME || code == SIOCSIFNAME)
 158                         tprintf(", {ifr_index=%d, ifr_name=\"%s\"}",
 159                                 ifr.ifr_ifindex, ifr.ifr_name);
 160                 else {
 161                         tprintf(", {ifr_name=\"%s\", ", ifr.ifr_name);
 162                         switch (code) {
 163                         case SIOCGIFINDEX:
 164                                 tprintf("ifr_index=%d", ifr.ifr_ifindex);
 165                                 break;
 166                         case SIOCGIFADDR:
 167                         case SIOCSIFADDR:
 168                                 str = "ifr_addr";
 169                         case SIOCGIFDSTADDR:
 170                         case SIOCSIFDSTADDR:
 171                                 if (!str)
 172                                         str = "ifr_dstaddr";
 173                         case SIOCGIFBRDADDR:
 174                         case SIOCSIFBRDADDR:
 175                                 if (!str)
 176                                         str = "ifr_broadaddr";
 177                         case SIOCGIFNETMASK:
 178                         case SIOCSIFNETMASK:
 179                                 if (!str)
 180                                         str = "ifr_netmask";
 181                                 tprintf("%s={", str);
 182                                 printxval(addrfams,
 183                                           ifr.ifr_addr.sa_family,
 184                                           "AF_???");
 185                                 tprints(", ");
 186                                 print_addr(tcp, ((long) tcp->u_arg[2]
 187                                                  + offsetof(struct ifreq,
 188                                                              ifr_addr.sa_data)),
 189                                            &ifr);
 190                                 tprints("}");
 191                                 break;
 192                         case SIOCGIFHWADDR:
 193                         case SIOCSIFHWADDR:
 194                                 /* XXX Are there other hardware addresses
 195                                    than 6-byte MACs?  */
 196                                 bytes = (unsigned char *) &ifr.ifr_hwaddr.sa_data;
 197                                 tprintf("ifr_hwaddr=%02x:%02x:%02x:%02x:%02x:%02x",
 198                                         bytes[0], bytes[1], bytes[2],
 199                                         bytes[3], bytes[4], bytes[5]);
 200                                 break;
 201                         case SIOCGIFFLAGS:
 202                         case SIOCSIFFLAGS:
 203                                 tprints("ifr_flags=");
 204                                 printflags(iffflags, ifr.ifr_flags, "IFF_???");
 205                                 break;
 206                         case SIOCGIFMETRIC:
 207                         case SIOCSIFMETRIC:
 208                                 tprintf("ifr_metric=%d", ifr.ifr_metric);
 209                                 break;
 210                         case SIOCGIFMTU:
 211                         case SIOCSIFMTU:
 212                                 tprintf("ifr_mtu=%d", ifr.ifr_mtu);
 213                                 break;
 214                         case SIOCGIFSLAVE:
 215                         case SIOCSIFSLAVE:
 216                                 tprintf("ifr_slave=\"%s\"", ifr.ifr_slave);
 217                                 break;
 218                         case SIOCGIFTXQLEN:
 219                         case SIOCSIFTXQLEN:
 220                                 tprintf("ifr_qlen=%d", ifr.ifr_qlen);
 221                                 break;
 222                         case SIOCGIFMAP:
 223                         case SIOCSIFMAP:
 224                                 tprintf("ifr_map={mem_start=%#lx, "
 225                                         "mem_end=%#lx, base_addr=%#x, "
 226                                         "irq=%u, dma=%u, port=%u}",
 227                                         ifr.ifr_map.mem_start,
 228                                         ifr.ifr_map.mem_end,
 229                                         (unsigned) ifr.ifr_map.base_addr,
 230                                         (unsigned) ifr.ifr_map.irq,
 231                                         (unsigned) ifr.ifr_map.dma,
 232                                         (unsigned) ifr.ifr_map.port);
 233                                 break;
 234                         }
 235                         tprints("}");
 236                 }
 237                 return 1;
 238         case SIOCGIFCONF:
 239                 if (umove(tcp, tcp->u_arg[2], &ifc) < 0) {
 240                         tprints("???}");
 241                         return 1;
 242                 }
 243                 tprintf("%d, ", ifc.ifc_len);
 244                 if (syserror(tcp)) {
 245                         tprintf("%lx", (unsigned long) ifc.ifc_buf);
 246                 } else if (ifc.ifc_buf == NULL) {
 247                         tprints("NULL");
 248                 } else {
 249                         int i;
 250                         unsigned nifra = ifc.ifc_len / sizeof(struct ifreq);
 251                         struct ifreq ifra[nifra];
 252
 253                         if (umoven(tcp, (unsigned long) ifc.ifc_buf,
 254                                 sizeof(ifra), (char *) ifra) < 0) {
 255                                 tprintf("%lx}", (unsigned long) ifc.ifc_buf);
 256                                 return 1;
 257                         }
 258                         tprints("{");
 259                         for (i = 0; i < nifra; ++i ) {
 260                                 if (i > 0)
 261                                         tprints(", ");
 262                                 tprintf("{\"%s\", {",
 263                                         ifra[i].ifr_name);
 264                                 if (verbose(tcp)) {
 265                                         printxval(addrfams,
 266                                                   ifra[i].ifr_addr.sa_family,
 267                                                   "AF_???");
 268                                         tprints(", ");
 269                                         print_addr(tcp, ((long) tcp->u_arg[2]
 270                                                          + offsetof(struct ifreq,
 271                                                                      ifr_addr.sa_data)
 272                                                          + ((char *) &ifra[i]
 273                                                             - (char *) &ifra[0])),
 274                                                    &ifra[i]);
 275                                 } else
 276                                         tprints("...");
 277                                 tprints("}}");
 278                         }
 279                         tprints("}");
 280                 }
 281                 tprints("}");
 282                 return 1;
 283         default:
 284                 return 0;
 285         }
 286 }
 287
 288 int
 289 sys_socketcall(struct tcb *tcp)
 290 {
 291         return printargs(tcp);
 292 }