static bool
print_ifconf_ifreq(struct tcb *tcp, void *elem_buf, size_t elem_size,
void *dummy)
{
struct_ifreq *ifr = elem_buf;
tprints("{ifr_name=");
print_ifname(ifr->ifr_name);
tprints(", ");
PRINT_IFREQ_ADDR(tcp, ifr, ifr_addr);
tprints("}");
return true;
}
static void
print_ifreq(struct tcb *const tcp, const unsigned int code,
const kernel_ulong_t arg, const struct_ifreq *const ifr)
{
switch (code) {
case SIOCSIFADDR:
case SIOCGIFADDR:
PRINT_IFREQ_ADDR(tcp, ifr, ifr_addr);
break;
case SIOCSIFDSTADDR:
case SIOCGIFDSTADDR:
PRINT_IFREQ_ADDR(tcp, ifr, ifr_dstaddr);
break;
case SIOCSIFBRDADDR:
case SIOCGIFBRDADDR:
PRINT_IFREQ_ADDR(tcp, ifr, ifr_broadaddr);
break;
case SIOCSIFNETMASK:
case SIOCGIFNETMASK:
PRINT_IFREQ_ADDR(tcp, ifr, ifr_netmask);
break;
case SIOCSIFHWADDR:
case SIOCGIFHWADDR: {
/* XXX Are there other hardware addresses
than 6-byte MACs? */
const unsigned char *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 SIOCSIFFLAGS:
case SIOCGIFFLAGS:
tprints("ifr_flags=");
printflags(iffflags, (unsigned short) ifr->ifr_flags, "IFF_???");
break;
case SIOCSIFMETRIC:
case SIOCGIFMETRIC:
tprintf("ifr_metric=%d", ifr->ifr_metric);
break;
case SIOCSIFMTU:
case SIOCGIFMTU:
tprintf("ifr_mtu=%d", ifr->ifr_mtu);
break;
case SIOCSIFSLAVE:
case SIOCGIFSLAVE:
tprints("ifr_slave=");
print_ifname(ifr->ifr_slave);
break;
case SIOCSIFTXQLEN:
case SIOCGIFTXQLEN:
tprintf("ifr_qlen=%d", ifr->ifr_qlen);
break;
case SIOCSIFMAP:
case SIOCGIFMAP:
tprintf("ifr_map={mem_start=%#" PRI_klx ", "
"mem_end=%#" PRI_klx ", base_addr=%#x, "
"irq=%u, dma=%u, port=%u}",
(kernel_ulong_t) ifr->ifr_map.mem_start,
(kernel_ulong_t) 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;
}
}
MPERS_PRINTER_DECL(int, sock_ioctl,
struct tcb *tcp, const unsigned int code,
const kernel_ulong_t arg)
{
struct_ifreq ifr;
switch (code) {
case SIOCGIFCONF:
return decode_ifconf(tcp, arg);
#ifdef SIOCBRADDBR
case SIOCBRADDBR:
case SIOCBRDELBR:
tprints(", ");
printstr(tcp, arg);
break;
#endif
#ifdef FIOSETOWN
case FIOSETOWN:
#endif
#ifdef SIOCSPGRP
case SIOCSPGRP:
#endif
tprints(", ");
printnum_int(tcp, arg, "%d");
break;
#ifdef FIOGETOWN
case FIOGETOWN:
#endif
#ifdef SIOCGPGRP
case SIOCGPGRP:
#endif
#ifdef SIOCATMARK
case SIOCATMARK:
#endif
if (entering(tcp))
return 0;
tprints(", ");
printnum_int(tcp, arg, "%d");
break;
#ifdef SIOCBRADDIF
case SIOCBRADDIF:
#endif
#ifdef SIOCBRDELIF
case SIOCBRDELIF:
#endif
/* no arguments */
break;
case SIOCSIFNAME:
case SIOCSIFADDR:
case SIOCSIFDSTADDR:
case SIOCSIFBRDADDR:
case SIOCSIFNETMASK:
case SIOCSIFFLAGS:
case SIOCSIFMETRIC:
case SIOCSIFMTU:
case SIOCSIFSLAVE:
case SIOCSIFHWADDR:
case SIOCSIFTXQLEN:
case SIOCSIFMAP:
tprints(", ");
if (umove_or_printaddr(tcp, arg, &ifr))
break;
tprints("{ifr_name=");
print_ifname(ifr.ifr_name);
tprints(", ");
if (code == SIOCSIFNAME) {
tprints("ifr_newname=");
print_ifname(ifr.ifr_newname);
} else {
print_ifreq(tcp, code, arg, &ifr);
}
tprints("}");
break;
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 (entering(tcp)) {
tprints(", ");
if (umove_or_printaddr(tcp, arg, &ifr))
break;
if (SIOCGIFNAME == code) {
tprintf("{ifr_index=%d", ifr.ifr_ifindex);
} else {
tprints("{ifr_name=");
print_ifname(ifr.ifr_name);
}
return 1;
} else {
if (syserror(tcp)) {
tprints("}");
break;
}
tprints(", ");
if (umove(tcp, arg, &ifr) < 0) {
tprints("???}");
break;
}
if (SIOCGIFNAME == code) {
tprints("ifr_name=");
print_ifname(ifr.ifr_name);
} else {
print_ifreq(tcp, code, arg, &ifr);
}
tprints("}");
break;
}
default:
return RVAL_DECODED;
}
return RVAL_DECODED | 1;
}
static int
decode_ifconf(struct tcb *tcp, const long addr)
{
struct ifconf ifc;
if (entering(tcp)) {
tprints(", ");
if (umove_or_printaddr(tcp, addr, &ifc))
return RVAL_DECODED | 1;
if (ifc.ifc_buf) {
tprints("{");
print_ifc_len(ifc.ifc_len);
}
return 1;
}
if (syserror(tcp) || umove(tcp, addr, &ifc) < 0) {
if (ifc.ifc_buf)
tprints("}");
else
printaddr(addr);
return RVAL_DECODED | 1;
}
if (!ifc.ifc_buf) {
tprints("{");
print_ifc_len(ifc.ifc_len);
tprints(", NULL}");
return RVAL_DECODED | 1;
}
tprints(" => ");
const unsigned int nifra = print_ifc_len(ifc.ifc_len);
if (!nifra) {
tprints("}");
return RVAL_DECODED | 1;
}
struct ifreq ifra[nifra > max_strlen ? max_strlen : nifra];
tprints(", ");
if (umove_or_printaddr(tcp, (unsigned long) ifc.ifc_buf, &ifra)) {
tprints("}");
return RVAL_DECODED | 1;
}
tprints("[");
unsigned int i;
for (i = 0; i < ARRAY_SIZE(ifra); ++i) {
if (i > 0)
tprints(", ");
tprints("{ifr_name=");
print_ifname(ifra[i].ifr_name);
tprints(", ");
if (verbose(tcp)) {
tprints("ifr_addr=");
print_ifreq_addr(tcp, &ifra[i],
addr + i * sizeof(ifra[0]));
} else
tprints("...");
tprints("}");
}
if (i < nifra)
tprints(", ...");
tprints("]}");
return RVAL_DECODED | 1;
}