strace/sock.c
Dmitry V. Levin 652e448783 2007-01-12 Dmitry V. Levin <ldv@altlinux.org>
* sock.c (sock_ioctl): Check umove() return code.
2007-03-21 14:18:17 +00:00

272 lines
6.9 KiB
C

/*
* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $Id$
*/
#include "defs.h"
#ifdef LINUX
#include <sys/socket.h>
#include <linux/sockios.h>
#else
#include <sys/socket.h>
#include <sys/sockio.h>
#endif
#include <arpa/inet.h>
#if defined (ALPHA) || defined(SH) || defined(SH64)
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#elif defined(HAVE_IOCTLS_H)
#include <ioctls.h>
#endif
#endif
#include <net/if.h>
extern const struct xlat addrfams[];
static const struct xlat iffflags[] = {
{ IFF_UP, "IFF_UP" },
{ IFF_BROADCAST, "IFF_BROADCAST" },
{ IFF_DEBUG, "IFF_DEBUG" },
{ IFF_LOOPBACK, "IFF_LOOPBACK" },
{ IFF_POINTOPOINT, "IFF_POINTOPOINT" },
{ IFF_NOTRAILERS, "IFF_NOTRAILERS" },
{ IFF_RUNNING, "IFF_RUNNING" },
{ IFF_NOARP, "IFF_NOARP" },
{ IFF_PROMISC, "IFF_PROMISC" },
{ IFF_ALLMULTI, "IFF_ALLMULTI" },
{ IFF_MASTER, "IFF_MASTER" },
{ IFF_SLAVE, "IFF_SLAVE" },
{ IFF_MULTICAST, "IFF_MULTICAST" },
{ IFF_PORTSEL, "IFF_PORTSEL" },
{ IFF_AUTOMEDIA, "IFF_AUTOMEDIA" },
{ 0, NULL }
};
static void
print_addr(tcp, addr, ifr)
struct tcb *tcp;
long addr;
struct ifreq *ifr;
{
if (ifr->ifr_addr.sa_family == AF_INET) {
struct sockaddr_in *sinp;
sinp = (struct sockaddr_in *) &ifr->ifr_addr;
tprintf("inet_addr(\"%s\")", inet_ntoa(sinp->sin_addr));
} else
printstr(tcp, addr, sizeof(ifr->ifr_addr.sa_data));
}
int
sock_ioctl(struct tcb *tcp, long code, long arg)
{
struct ifreq ifr;
struct ifconf ifc;
const char *str = NULL;
unsigned char *bytes;
if (entering(tcp)) {
if (code == SIOCGIFCONF) {
if (umove(tcp, tcp->u_arg[2], &ifc) >= 0
&& ifc.ifc_buf == NULL)
tprintf(", {%d -> ", ifc.ifc_len);
else
tprintf(", {");
}
return 0;
}
switch (code) {
#ifdef SIOCSHIWAT
case SIOCSHIWAT:
#endif
#ifdef SIOCGHIWAT
case SIOCGHIWAT:
#endif
#ifdef SIOCSLOWAT
case SIOCSLOWAT:
#endif
#ifdef SIOCGLOWAT
case SIOCGLOWAT:
#endif
#ifdef FIOSETOWN
case FIOSETOWN:
#endif
#ifdef FIOGETOWN
case FIOGETOWN:
#endif
#ifdef SIOCSPGRP
case SIOCSPGRP:
#endif
#ifdef SIOCGPGRP
case SIOCGPGRP:
#endif
#ifdef SIOCATMARK
case SIOCATMARK:
#endif
printnum(tcp, arg, ", %#d");
return 1;
#ifdef LINUX
case SIOCGIFNAME:
case SIOCGIFINDEX:
case SIOCGIFADDR:
case SIOCGIFDSTADDR:
case SIOCGIFBRDADDR:
case SIOCGIFNETMASK:
case SIOCGIFFLAGS:
case SIOCGIFMETRIC:
case SIOCGIFMTU:
case SIOCGIFSLAVE:
case SIOCGIFHWADDR:
case SIOCGIFTXQLEN:
case SIOCGIFMAP:
if (umove(tcp, tcp->u_arg[2], &ifr) < 0)
tprintf(", %#lx", tcp->u_arg[2]);
else if (syserror(tcp)) {
if (code == SIOCGIFNAME)
tprintf(", {ifr_index=%d, ifr_name=???}", ifr.ifr_ifindex);
else
tprintf(", {ifr_name=\"%s\", ???}", ifr.ifr_name);
} else if (code == SIOCGIFNAME)
tprintf(", {ifr_index=%d, ifr_name=\"%s\"}",
ifr.ifr_ifindex, ifr.ifr_name);
else {
tprintf(", {ifr_name=\"%s\", ", ifr.ifr_name);
switch (code) {
case SIOCGIFINDEX:
tprintf("ifr_index=%d", ifr.ifr_ifindex);
break;
case SIOCGIFADDR:
str = "ifr_addr";
case SIOCGIFDSTADDR:
if (str == NULL)
str = "ifr_dstaddr";
case SIOCGIFBRDADDR:
if (str == NULL)
str = "ifr_broadaddr";
case SIOCGIFNETMASK:
if (str == NULL)
str = "ifr_netmask";
tprintf("%s={", str);
printxval(addrfams,
ifr.ifr_addr.sa_family,
"AF_???");
tprintf(", ");
print_addr(tcp, ((long) tcp->u_arg[2]
+ offsetof (struct ifreq,
ifr_addr.sa_data)),
&ifr);
tprintf("}");
break;
case SIOCGIFHWADDR:
/* XXX Are there other hardware addresses
than 6-byte MACs? */
bytes = (unsigned char *) &ifr.ifr_hwaddr.sa_data;
tprintf("ifr_hwaddr=%02x:%02x:%02x:%02x:%02x:%02x",
bytes[0], bytes[1], bytes[2],
bytes[3], bytes[4], bytes[5]);
break;
case SIOCGIFFLAGS:
tprintf("ifr_flags=");
printflags(iffflags, ifr.ifr_flags, "IFF_???");
break;
case SIOCGIFMETRIC:
tprintf("ifr_metric=%d", ifr.ifr_metric);
break;
case SIOCGIFMTU:
tprintf("ifr_mtu=%d", ifr.ifr_mtu);
break;
case SIOCGIFSLAVE:
tprintf("ifr_slave=\"%s\"", ifr.ifr_slave);
break;
case SIOCGIFTXQLEN:
tprintf("ifr_qlen=%d", ifr.ifr_qlen);
break;
case SIOCGIFMAP:
tprintf("ifr_map={mem_start=%#lx, "
"mem_end=%#lx, base_addr=%#x, "
"irq=%u, dma=%u, port=%u}",
ifr.ifr_map.mem_start,
ifr.ifr_map.mem_end,
(unsigned) ifr.ifr_map.base_addr,
(unsigned) ifr.ifr_map.irq,
(unsigned) ifr.ifr_map.dma,
(unsigned) ifr.ifr_map.port);
break;
}
tprintf("}");
}
return 1;
case SIOCGIFCONF:
if (umove(tcp, tcp->u_arg[2], &ifc) < 0) {
tprintf("???}");
return 1;
}
tprintf("%d, ", ifc.ifc_len);
if (syserror(tcp)) {
tprintf("%lx", (unsigned long) ifc.ifc_buf);
} else if (ifc.ifc_buf == NULL) {
tprintf("NULL");
} else {
int i;
unsigned nifra = ifc.ifc_len / sizeof(struct ifreq);
struct ifreq ifra[nifra];
umoven(tcp, (unsigned long) ifc.ifc_buf, sizeof(ifra),
(char *) ifra);
tprintf("{");
for (i = 0; i < nifra; ++i ) {
if (i > 0)
tprintf(", ");
tprintf("{\"%s\", {",
ifra[i].ifr_name);
if (verbose(tcp)) {
printxval(addrfams,
ifra[i].ifr_addr.sa_family,
"AF_???");
tprintf(", ");
print_addr(tcp, ((long) tcp->u_arg[2]
+ offsetof (struct ifreq,
ifr_addr.sa_data)
+ ((char *) &ifra[i]
- (char *) &ifra[0])),
&ifra[i]);
} else
tprintf("...");
tprintf("}}");
}
tprintf("}");
}
tprintf("}");
return 1;
#endif
default:
return 0;
}
}