2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-2000 Wichert Akkerman <wichert@cistron.nl>
6 * Copyright (c) 2005-2016 Dmitry V. Levin <ldv@altlinux.org>
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include "print_fields.h"
35 #include <sys/socket.h>
37 #include <netinet/in.h>
38 #include <arpa/inet.h>
41 #include <linux/if_packet.h>
42 #include <linux/if_arp.h>
43 #include <linux/if_ether.h>
45 #ifdef HAVE_NETIPX_IPX_H
46 # include <netipx/ipx.h>
48 # include <linux/ipx.h>
51 #include "xlat/addrfams.h"
52 #include "xlat/arp_hardware_types.h"
53 #include "xlat/ethernet_protocols.h"
54 #include "xlat/af_packet_types.h"
56 #ifdef HAVE_BLUETOOTH_BLUETOOTH_H
57 # include <bluetooth/bluetooth.h>
58 # include <bluetooth/hci.h>
59 # include <bluetooth/l2cap.h>
60 # include <bluetooth/rfcomm.h>
61 # include <bluetooth/sco.h>
63 # include "xlat/hci_channels.h"
66 #define SIZEOF_SA_FAMILY sizeof(((struct sockaddr *) 0)->sa_family)
69 print_sockaddr_data_un(const void *const buf, const int addrlen)
71 const struct sockaddr_un *const sa_un = buf;
72 const int un_len = addrlen > (int) sizeof(*sa_un)
73 ? (int) sizeof(*sa_un) : addrlen;
74 const int path_len = un_len - SIZEOF_SA_FAMILY;
77 if (sa_un->sun_path[0]) {
78 print_quoted_string(sa_un->sun_path, path_len + 1,
82 print_quoted_string(sa_un->sun_path + 1, path_len - 1, 0);
87 print_inet_addr(const int af,
88 const void *const addr,
89 const unsigned int len,
90 const char *const var_name)
92 char buf[INET6_ADDRSTRLEN];
96 if (inet_ntop(af, addr, buf, sizeof(buf))) {
97 tprintf("%s=inet_addr(\"%s\")", var_name, buf);
102 if (inet_ntop(af, addr, buf, sizeof(buf))) {
103 tprintf("inet_pton(%s, \"%s\", &%s)",
104 "AF_INET6", buf, var_name);
110 tprintf("%s=", var_name);
111 print_quoted_string(addr, len, 0);
116 print_sockaddr_data_in(const void *const buf, const int addrlen)
118 const struct sockaddr_in *const sa_in = buf;
120 PRINT_FIELD_NET_PORT("", *sa_in, sin_port);
121 PRINT_FIELD_INET4_ADDR(", ", *sa_in, sin_addr);
124 #define SIN6_MIN_LEN offsetof(struct sockaddr_in6, sin6_scope_id)
127 print_sockaddr_data_in6(const void *const buf, const int addrlen)
129 const struct sockaddr_in6 *const sa_in6 = buf;
131 PRINT_FIELD_NET_PORT("", *sa_in6, sin6_port);
132 PRINT_FIELD_INET_ADDR(", ", *sa_in6, sin6_addr, AF_INET6);
133 tprintf(", sin6_flowinfo=htonl(%u)", ntohl(sa_in6->sin6_flowinfo));
135 if (addrlen <= (int) SIN6_MIN_LEN)
138 #if defined IN6_IS_ADDR_LINKLOCAL && defined IN6_IS_ADDR_MC_LINKLOCAL
139 if (IN6_IS_ADDR_LINKLOCAL(&sa_in6->sin6_addr)
140 || IN6_IS_ADDR_MC_LINKLOCAL(&sa_in6->sin6_addr))
141 PRINT_FIELD_IFINDEX(", ", *sa_in6, sin6_scope_id);
144 PRINT_FIELD_U(", ", *sa_in6, sin6_scope_id);
148 print_sockaddr_data_ipx(const void *const buf, const int addrlen)
150 const struct sockaddr_ipx *const sa_ipx = buf;
153 PRINT_FIELD_NET_PORT("", *sa_ipx, sipx_port);
154 tprintf(", sipx_network=htonl(%#08x)"
156 ntohl(sa_ipx->sipx_network));
157 for (i = 0; i < IPX_NODE_LEN; ++i) {
158 tprintf("%s%#02x", i ? ", " : "",
159 sa_ipx->sipx_node[i]);
161 PRINT_FIELD_0X("], ", *sa_ipx, sipx_type);
165 print_sockaddr_data_nl(const void *const buf, const int addrlen)
167 const struct sockaddr_nl *const sa_nl = buf;
169 PRINT_FIELD_D("", *sa_nl, nl_pid);
170 PRINT_FIELD_0X(", ", *sa_nl, nl_groups);
174 print_sockaddr_data_ll(const void *const buf, const int addrlen)
176 const struct sockaddr_ll *const sa_ll = buf;
178 tprints("sll_protocol=htons(");
179 printxval(ethernet_protocols, ntohs(sa_ll->sll_protocol), "ETH_P_???");
180 PRINT_FIELD_IFINDEX("), ", *sa_ll, sll_ifindex);
181 tprints(", sll_hatype=");
182 printxval(arp_hardware_types, sa_ll->sll_hatype, "ARPHRD_???");
183 tprints(", sll_pkttype=");
184 printxval(af_packet_types, sa_ll->sll_pkttype, "PACKET_???");
185 tprintf(", sll_halen=%u", sa_ll->sll_halen);
186 if (sa_ll->sll_halen) {
187 const unsigned int oob_halen =
188 addrlen - offsetof(struct sockaddr_ll, sll_addr);
191 tprints(", sll_addr=[");
192 for (i = 0; i < sa_ll->sll_halen; ++i) {
195 if (i >= oob_halen) {
199 tprintf("%#02x", sa_ll->sll_addr[i]);
206 print_sockaddr_data_raw(const void *const buf, const int addrlen)
208 const char *const data = buf + SIZEOF_SA_FAMILY;
209 const int datalen = addrlen - SIZEOF_SA_FAMILY;
212 print_quoted_string(data, datalen, 0);
215 #ifdef HAVE_BLUETOOTH_BLUETOOTH_H
217 print_sockaddr_data_bt(const void *const buf, const int addrlen)
220 case sizeof(struct sockaddr_hci): {
221 const struct sockaddr_hci *const hci = buf;
222 tprintf("hci_dev=htobs(%hu), hci_channel=",
223 btohs(hci->hci_dev));
224 printxval(hci_channels, hci->hci_channel,
228 case sizeof(struct sockaddr_sco): {
229 const struct sockaddr_sco *const sco = buf;
230 tprintf("sco_bdaddr=%02x:%02x:%02x:%02x:%02x:%02x",
231 sco->sco_bdaddr.b[0], sco->sco_bdaddr.b[1],
232 sco->sco_bdaddr.b[2], sco->sco_bdaddr.b[3],
233 sco->sco_bdaddr.b[4], sco->sco_bdaddr.b[5]);
236 case sizeof(struct sockaddr_rc): {
237 const struct sockaddr_rc *const rc = buf;
238 tprintf("rc_bdaddr=%02x:%02x:%02x:%02x:%02x:%02x"
240 rc->rc_bdaddr.b[0], rc->rc_bdaddr.b[1],
241 rc->rc_bdaddr.b[2], rc->rc_bdaddr.b[3],
242 rc->rc_bdaddr.b[4], rc->rc_bdaddr.b[5],
246 case sizeof(struct sockaddr_l2): {
247 const struct sockaddr_l2 *const l2 = buf;
248 tprintf("l2_psm=htobs(%hu)"
249 ", l2_bdaddr=%02x:%02x:%02x:%02x:%02x:%02x"
250 ", l2_cid=htobs(%hu), l2_bdaddr_type=%u",
252 l2->l2_bdaddr.b[0], l2->l2_bdaddr.b[1],
253 l2->l2_bdaddr.b[2], l2->l2_bdaddr.b[3],
254 l2->l2_bdaddr.b[4], l2->l2_bdaddr.b[5],
255 btohs(l2->l2_cid), l2->l2_bdaddr_type);
259 print_sockaddr_data_raw(buf, addrlen);
263 #endif /* HAVE_BLUETOOTH_BLUETOOTH_H */
265 typedef void (* const sockaddr_printer)(const void *const, const int);
267 static const struct {
268 const sockaddr_printer printer;
271 [AF_UNIX] = { print_sockaddr_data_un, SIZEOF_SA_FAMILY + 1 },
272 [AF_INET] = { print_sockaddr_data_in, sizeof(struct sockaddr_in) },
273 [AF_IPX] = { print_sockaddr_data_ipx, sizeof(struct sockaddr_ipx) },
274 [AF_INET6] = { print_sockaddr_data_in6, SIN6_MIN_LEN },
275 [AF_NETLINK] = { print_sockaddr_data_nl, SIZEOF_SA_FAMILY + 1 },
276 [AF_PACKET] = { print_sockaddr_data_ll, sizeof(struct sockaddr_ll) },
277 #ifdef HAVE_BLUETOOTH_BLUETOOTH_H
278 [AF_BLUETOOTH] = { print_sockaddr_data_bt, SIZEOF_SA_FAMILY + 1 },
283 print_sockaddr(const void *const buf, const int addrlen)
285 const struct sockaddr *const sa = buf;
287 tprints("{sa_family=");
288 printxval(addrfams, sa->sa_family, "AF_???");
290 if (addrlen > (int) SIZEOF_SA_FAMILY) {
293 if (sa->sa_family < ARRAY_SIZE(sa_printers)
294 && sa_printers[sa->sa_family].printer
295 && addrlen >= sa_printers[sa->sa_family].min_len) {
296 sa_printers[sa->sa_family].printer(buf, addrlen);
298 print_sockaddr_data_raw(buf, addrlen);
306 decode_sockaddr(struct tcb *const tcp, const kernel_ulong_t addr, int addrlen)
315 struct sockaddr_storage storage;
316 char pad[sizeof(struct sockaddr_storage) + 1];
319 if ((unsigned) addrlen > sizeof(addrbuf.storage))
320 addrlen = sizeof(addrbuf.storage);
322 if (umoven_or_printaddr(tcp, addr, addrlen, addrbuf.pad))
325 memset(&addrbuf.pad[addrlen], 0, sizeof(addrbuf.pad) - addrlen);
327 print_sockaddr(&addrbuf, addrlen);
329 return addrbuf.sa.sa_family;