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
28 #include "defs.h"
29 #include <sys/socket.h>
30 #include <linux/sockios.h>
31 #include <arpa/inet.h>
32 #if defined(ALPHA) || defined(SH) || defined(SH64)
33 # if defined(HAVE_SYS_IOCTL_H)
34 # include <sys/ioctl.h>
35 # elif defined(HAVE_IOCTLS_H)
36 # include <ioctls.h>
37 # endif
38 #endif
39 #include <net/if.h>
40
41 #include "xlat/iffflags.h"
42
43 static void
print_ifreq_addr(struct tcb * tcp,const struct ifreq * ifr,const long addr)44 print_ifreq_addr(struct tcb *tcp, const struct ifreq *ifr, const long addr)
45 {
46 tprintf("{");
47 printxval(addrfams, ifr->ifr_addr.sa_family, "AF_???");
48 tprints(", ");
49 if (ifr->ifr_addr.sa_family == AF_INET) {
50 const struct sockaddr_in *sinp =
51 (struct sockaddr_in *) &ifr->ifr_addr;
52 tprintf("inet_addr(\"%s\")", inet_ntoa(sinp->sin_addr));
53 } else
54 printstr(tcp, addr + offsetof(struct ifreq, ifr_addr.sa_data),
55 sizeof(ifr->ifr_addr.sa_data));
56 tprints("}");
57 }
58
59 static void
print_ifname(const char * ifname)60 print_ifname(const char *ifname)
61 {
62 print_quoted_string(ifname, IFNAMSIZ + 1, QUOTE_0_TERMINATED);
63 }
64
65 static void
print_ifreq(struct tcb * tcp,const unsigned int code,const long arg,const struct ifreq * ifr)66 print_ifreq(struct tcb *tcp, const unsigned int code, const long arg,
67 const struct ifreq *ifr)
68 {
69 switch (code) {
70 case SIOCSIFADDR:
71 case SIOCGIFADDR:
72 tprints("ifr_addr=");
73 print_ifreq_addr(tcp, ifr, arg);
74 break;
75 case SIOCSIFDSTADDR:
76 case SIOCGIFDSTADDR:
77 tprints("ifr_dstaddr=");
78 print_ifreq_addr(tcp, ifr, arg);
79 break;
80 case SIOCSIFBRDADDR:
81 case SIOCGIFBRDADDR:
82 tprints("ifr_broadaddr=");
83 print_ifreq_addr(tcp, ifr, arg);
84 break;
85 case SIOCSIFNETMASK:
86 case SIOCGIFNETMASK:
87 tprints("ifr_netmask=");
88 print_ifreq_addr(tcp, ifr, arg);
89 break;
90 case SIOCSIFHWADDR:
91 case SIOCGIFHWADDR: {
92 /* XXX Are there other hardware addresses
93 than 6-byte MACs? */
94 const unsigned char *bytes =
95 (unsigned char *) &ifr->ifr_hwaddr.sa_data;
96 tprintf("ifr_hwaddr=%02x:%02x:%02x:%02x:%02x:%02x",
97 bytes[0], bytes[1], bytes[2],
98 bytes[3], bytes[4], bytes[5]);
99 break;
100 }
101 case SIOCSIFFLAGS:
102 case SIOCGIFFLAGS:
103 tprints("ifr_flags=");
104 printflags(iffflags, ifr->ifr_flags, "IFF_???");
105 break;
106 case SIOCSIFMETRIC:
107 case SIOCGIFMETRIC:
108 tprintf("ifr_metric=%d", ifr->ifr_metric);
109 break;
110 case SIOCSIFMTU:
111 case SIOCGIFMTU:
112 tprintf("ifr_mtu=%d", ifr->ifr_mtu);
113 break;
114 case SIOCSIFSLAVE:
115 case SIOCGIFSLAVE:
116 tprints("ifr_slave=");
117 print_ifname(ifr->ifr_slave);
118 break;
119 case SIOCSIFTXQLEN:
120 case SIOCGIFTXQLEN:
121 tprintf("ifr_qlen=%d", ifr->ifr_qlen);
122 break;
123 case SIOCSIFMAP:
124 case SIOCGIFMAP:
125 tprintf("ifr_map={mem_start=%#lx, "
126 "mem_end=%#lx, base_addr=%#x, "
127 "irq=%u, dma=%u, port=%u}",
128 ifr->ifr_map.mem_start,
129 ifr->ifr_map.mem_end,
130 (unsigned) ifr->ifr_map.base_addr,
131 (unsigned) ifr->ifr_map.irq,
132 (unsigned) ifr->ifr_map.dma,
133 (unsigned) ifr->ifr_map.port);
134 break;
135 }
136 }
137
138 static unsigned int
print_ifc_len(int len)139 print_ifc_len(int len)
140 {
141 const unsigned int n = (unsigned int) len / sizeof(struct ifreq);
142
143 if (len < 0 || n * sizeof(struct ifreq) != (unsigned int) len)
144 tprintf("%d", len);
145 else
146 tprintf("%u * sizeof(struct ifreq)", n);
147
148 return n;
149 }
150
151 static int
decode_ifconf(struct tcb * tcp,const long addr)152 decode_ifconf(struct tcb *tcp, const long addr)
153 {
154 struct ifconf ifc;
155
156 if (entering(tcp)) {
157 tprints(", ");
158 if (umove_or_printaddr(tcp, addr, &ifc))
159 return RVAL_DECODED | 1;
160 if (ifc.ifc_buf) {
161 tprints("{");
162 print_ifc_len(ifc.ifc_len);
163 }
164 return 1;
165 }
166
167 if (syserror(tcp) || umove(tcp, addr, &ifc) < 0) {
168 if (ifc.ifc_buf)
169 tprints("}");
170 else
171 printaddr(addr);
172 return RVAL_DECODED | 1;
173 }
174
175 if (!ifc.ifc_buf) {
176 tprints("{");
177 print_ifc_len(ifc.ifc_len);
178 tprints(", NULL}");
179 return RVAL_DECODED | 1;
180 }
181
182 tprints(" => ");
183 const unsigned int nifra = print_ifc_len(ifc.ifc_len);
184 if (!nifra) {
185 tprints("}");
186 return RVAL_DECODED | 1;
187 }
188
189 struct ifreq ifra[nifra > max_strlen ? max_strlen : nifra];
190 tprints(", ");
191 if (umove_or_printaddr(tcp, (unsigned long) ifc.ifc_buf, &ifra)) {
192 tprints("}");
193 return RVAL_DECODED | 1;
194 }
195
196 tprints("[");
197 unsigned int i;
198 for (i = 0; i < ARRAY_SIZE(ifra); ++i) {
199 if (i > 0)
200 tprints(", ");
201 tprints("{ifr_name=");
202 print_ifname(ifra[i].ifr_name);
203 tprints(", ");
204 if (verbose(tcp)) {
205 tprints("ifr_addr=");
206 print_ifreq_addr(tcp, &ifra[i],
207 addr + i * sizeof(ifra[0]));
208 } else
209 tprints("...");
210 tprints("}");
211 }
212 if (i < nifra)
213 tprints(", ...");
214 tprints("]}");
215
216 return RVAL_DECODED | 1;
217 }
218
219 int
sock_ioctl(struct tcb * tcp,const unsigned int code,const long arg)220 sock_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
221 {
222 struct ifreq ifr;
223
224 switch (code) {
225 case SIOCGIFCONF:
226 return decode_ifconf(tcp, arg);
227
228 #ifdef SIOCBRADDBR
229 case SIOCBRADDBR:
230 case SIOCBRDELBR:
231 tprints(", ");
232 printstr(tcp, arg, -1);
233 break;
234 #endif
235
236 #ifdef FIOSETOWN
237 case FIOSETOWN:
238 #endif
239 #ifdef SIOCSPGRP
240 case SIOCSPGRP:
241 #endif
242 tprints(", ");
243 printnum_int(tcp, arg, "%d");
244 break;
245
246 #ifdef FIOGETOWN
247 case FIOGETOWN:
248 #endif
249 #ifdef SIOCGPGRP
250 case SIOCGPGRP:
251 #endif
252 #ifdef SIOCATMARK
253 case SIOCATMARK:
254 #endif
255 if (entering(tcp))
256 return 0;
257 tprints(", ");
258 printnum_int(tcp, arg, "%d");
259 break;
260
261 #ifdef SIOCBRADDIF
262 case SIOCBRADDIF:
263 #endif
264 #ifdef SIOCBRDELIF
265 case SIOCBRDELIF:
266 #endif
267 /* no arguments */
268 break;
269
270 case SIOCSIFNAME:
271 case SIOCSIFADDR:
272 case SIOCSIFDSTADDR:
273 case SIOCSIFBRDADDR:
274 case SIOCSIFNETMASK:
275 case SIOCSIFFLAGS:
276 case SIOCSIFMETRIC:
277 case SIOCSIFMTU:
278 case SIOCSIFSLAVE:
279 case SIOCSIFHWADDR:
280 case SIOCSIFTXQLEN:
281 case SIOCSIFMAP:
282 tprints(", ");
283 if (umove_or_printaddr(tcp, arg, &ifr))
284 break;
285
286 tprints("{ifr_name=");
287 print_ifname(ifr.ifr_name);
288 tprints(", ");
289 if (code == SIOCSIFNAME) {
290 tprints("ifr_newname=");
291 print_ifname(ifr.ifr_newname);
292 } else {
293 print_ifreq(tcp, code, arg, &ifr);
294 }
295 tprints("}");
296 break;
297
298 case SIOCGIFNAME:
299 case SIOCGIFINDEX:
300 case SIOCGIFADDR:
301 case SIOCGIFDSTADDR:
302 case SIOCGIFBRDADDR:
303 case SIOCGIFNETMASK:
304 case SIOCGIFFLAGS:
305 case SIOCGIFMETRIC:
306 case SIOCGIFMTU:
307 case SIOCGIFSLAVE:
308 case SIOCGIFHWADDR:
309 case SIOCGIFTXQLEN:
310 case SIOCGIFMAP:
311 if (entering(tcp)) {
312 tprints(", ");
313 if (umove_or_printaddr(tcp, arg, &ifr))
314 break;
315
316 if (SIOCGIFNAME == code) {
317 tprintf("{ifr_index=%d", ifr.ifr_ifindex);
318 } else {
319 tprints("{ifr_name=");
320 print_ifname(ifr.ifr_name);
321 }
322 return 1;
323 } else {
324 if (syserror(tcp)) {
325 tprints("}");
326 break;
327 }
328
329 tprints(", ");
330 if (umove(tcp, arg, &ifr) < 0) {
331 tprints("???}");
332 break;
333 }
334
335 if (SIOCGIFNAME == code) {
336 tprints("ifr_name=");
337 print_ifname(ifr.ifr_name);
338 } else {
339 print_ifreq(tcp, code, arg, &ifr);
340 }
341 tprints("}");
342 break;
343 }
344
345 default:
346 return RVAL_DECODED;
347 }
348
349 return RVAL_DECODED | 1;
350 }
351