2 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
30 #include <sys/socket.h>
31 #if defined ALPHA || defined SH || defined SH64
32 # include <linux/ioctl.h>
34 #include <linux/sockios.h>
35 #include <arpa/inet.h>
38 #include DEF_MPERS_TYPE(struct_ifconf)
39 #include DEF_MPERS_TYPE(struct_ifreq)
41 typedef struct ifconf struct_ifconf;
42 typedef struct ifreq struct_ifreq;
46 #include "xlat/iffflags.h"
48 #define PRINT_IFREQ_ADDR(tcp, ifr, sockaddr) \
50 tprints(#sockaddr "="); \
51 print_sockaddr(tcp, &((ifr)->sockaddr), \
52 sizeof((ifr)->sockaddr)); \
56 print_ifname(const char *ifname)
58 print_quoted_string(ifname, IFNAMSIZ + 1, QUOTE_0_TERMINATED);
62 print_ifreq(struct tcb *const tcp, const unsigned int code,
63 const kernel_ulong_t arg, const struct_ifreq *const ifr)
68 PRINT_IFREQ_ADDR(tcp, ifr, ifr_addr);
72 PRINT_IFREQ_ADDR(tcp, ifr, ifr_dstaddr);
76 PRINT_IFREQ_ADDR(tcp, ifr, ifr_broadaddr);
80 PRINT_IFREQ_ADDR(tcp, ifr, ifr_netmask);
84 /* XXX Are there other hardware addresses
86 const unsigned char *bytes =
87 (unsigned char *) &ifr->ifr_hwaddr.sa_data;
88 tprintf("ifr_hwaddr=%02x:%02x:%02x:%02x:%02x:%02x",
89 bytes[0], bytes[1], bytes[2],
90 bytes[3], bytes[4], bytes[5]);
95 tprints("ifr_flags=");
96 printflags(iffflags, (unsigned short) ifr->ifr_flags, "IFF_???");
100 tprintf("ifr_metric=%d", ifr->ifr_metric);
104 tprintf("ifr_mtu=%d", ifr->ifr_mtu);
108 tprints("ifr_slave=");
109 print_ifname(ifr->ifr_slave);
113 tprintf("ifr_qlen=%d", ifr->ifr_qlen);
117 tprintf("ifr_map={mem_start=%#" PRI_klx ", "
118 "mem_end=%#" PRI_klx ", base_addr=%#x, "
119 "irq=%u, dma=%u, port=%u}",
120 (kernel_ulong_t) ifr->ifr_map.mem_start,
121 (kernel_ulong_t) ifr->ifr_map.mem_end,
122 (unsigned) ifr->ifr_map.base_addr,
123 (unsigned) ifr->ifr_map.irq,
124 (unsigned) ifr->ifr_map.dma,
125 (unsigned) ifr->ifr_map.port);
131 print_ifc_len(int len)
133 const unsigned int n = (unsigned int) len / sizeof(struct_ifreq);
135 if (len < 0 || n * sizeof(struct_ifreq) != (unsigned int) len)
138 tprintf("%u * sizeof(struct ifreq)", n);
144 print_ifconf_ifreq(struct tcb *tcp, void *elem_buf, size_t elem_size,
147 struct_ifreq *ifr = elem_buf;
149 tprints("{ifr_name=");
150 print_ifname(ifr->ifr_name);
152 PRINT_IFREQ_ADDR(tcp, ifr, ifr_addr);
159 * There are two different modes of operation:
161 * - Get buffer size. In this case, the callee sets ifc_buf to NULL,
162 * and the kernel returns the buffer size in ifc_len.
163 * - Get actual data. In this case, the callee specifies the buffer address
164 * in ifc_buf and its size in ifc_len. The kernel fills the buffer with
165 * the data, and its amount is returned in ifc_len.
167 * Note that, technically, the whole struct ifconf is overwritten,
168 * so ifc_buf could be different on exit, but current ioctl handler
169 * implementation does not touch it.
172 decode_ifconf(struct tcb *const tcp, const kernel_ulong_t addr)
174 struct_ifconf *entering_ifc = NULL;
176 entering(tcp) ? malloc(sizeof(*ifc)) : alloca(sizeof(*ifc));
179 entering_ifc = get_tcb_priv_data(tcp);
182 error_msg("decode_ifconf: where is my ifconf?");
187 if (!ifc || umove(tcp, addr, ifc) < 0) {
195 * We failed to fetch the structure on exiting syscall,
196 * print whatever was fetched on entering syscall.
198 if (!entering_ifc->ifc_buf)
199 print_ifc_len(entering_ifc->ifc_len);
201 tprints(", ifc_buf=");
202 printaddr(ptr_to_kulong(entering_ifc->ifc_buf));
207 return RVAL_DECODED | 1;
211 tprints(", {ifc_len=");
213 print_ifc_len(ifc->ifc_len);
215 set_tcb_priv_data(tcp, ifc, free);
222 if (entering_ifc->ifc_buf && (entering_ifc->ifc_len != ifc->ifc_len))
224 if (!entering_ifc->ifc_buf || (entering_ifc->ifc_len != ifc->ifc_len))
225 print_ifc_len(ifc->ifc_len);
227 tprints(", ifc_buf=");
229 if (!entering_ifc->ifc_buf || syserror(tcp)) {
230 printaddr(ptr_to_kulong(entering_ifc->ifc_buf));
231 if (entering_ifc->ifc_buf != ifc->ifc_buf) {
233 printaddr(ptr_to_kulong(ifc->ifc_buf));
238 print_array(tcp, ptr_to_kulong(ifc->ifc_buf),
239 ifc->ifc_len / sizeof(struct_ifreq),
241 umoven_or_printaddr, print_ifconf_ifreq, NULL);
246 return RVAL_DECODED | 1;
249 MPERS_PRINTER_DECL(int, sock_ioctl,
250 struct tcb *tcp, const unsigned int code,
251 const kernel_ulong_t arg)
257 return decode_ifconf(tcp, arg);
274 printnum_int(tcp, arg, "%d");
289 printnum_int(tcp, arg, "%d");
314 if (umove_or_printaddr(tcp, arg, &ifr))
317 tprints("{ifr_name=");
318 print_ifname(ifr.ifr_name);
320 if (code == SIOCSIFNAME) {
321 tprints("ifr_newname=");
322 print_ifname(ifr.ifr_newname);
324 print_ifreq(tcp, code, arg, &ifr);
344 if (umove_or_printaddr(tcp, arg, &ifr))
347 if (SIOCGIFNAME == code) {
348 tprintf("{ifr_index=%d", ifr.ifr_ifindex);
350 tprints("{ifr_name=");
351 print_ifname(ifr.ifr_name);
361 if (umove(tcp, arg, &ifr) < 0) {
366 if (SIOCGIFNAME == code) {
367 tprints("ifr_name=");
368 print_ifname(ifr.ifr_name);
370 print_ifreq(tcp, code, arg, &ifr);
380 return RVAL_DECODED | 1;