Commit | Line | Data |
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8ae0e4b4 | 1 | /* |
e7a3707f KB |
2 | * Copyright (c) 1982, 1986, 1991, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
8ae0e4b4 | 4 | * |
dbf0c423 | 5 | * %sccs.include.redist.c% |
2b6b6284 | 6 | * |
e7a3707f | 7 | * @(#)in_pcb.c 8.1 (Berkeley) %G% |
8ae0e4b4 | 8 | */ |
af092e86 | 9 | |
5548a02f KB |
10 | #include <sys/param.h> |
11 | #include <sys/systm.h> | |
12 | #include <sys/malloc.h> | |
13 | #include <sys/mbuf.h> | |
14 | #include <sys/protosw.h> | |
15 | #include <sys/socket.h> | |
16 | #include <sys/socketvar.h> | |
17 | #include <sys/ioctl.h> | |
18 | #include <sys/errno.h> | |
6d5b2d5f MK |
19 | #include <sys/time.h> |
20 | #include <sys/proc.h> | |
6aa944c6 | 21 | |
5548a02f KB |
22 | #include <net/if.h> |
23 | #include <net/route.h> | |
6aa944c6 | 24 | |
5548a02f KB |
25 | #include <netinet/in.h> |
26 | #include <netinet/in_systm.h> | |
27 | #include <netinet/ip.h> | |
28 | #include <netinet/in_pcb.h> | |
29 | #include <netinet/in_var.h> | |
5548a02f | 30 | #include <netinet/ip_var.h> |
d6fa15c2 | 31 | |
1a3dbf93 | 32 | struct in_addr zeroin_addr; |
405c9168 | 33 | |
0be5ae70 | 34 | int |
8f0d18de BJ |
35 | in_pcballoc(so, head) |
36 | struct socket *so; | |
37 | struct inpcb *head; | |
38 | { | |
39 | struct mbuf *m; | |
40 | register struct inpcb *inp; | |
41 | ||
d6fa15c2 KS |
42 | MALLOC(inp, struct inpcb *, sizeof(*inp), M_PCB, M_WAITOK); |
43 | if (inp == NULL) | |
8f0d18de | 44 | return (ENOBUFS); |
d6fa15c2 | 45 | bzero((caddr_t)inp, sizeof(*inp)); |
8f0d18de BJ |
46 | inp->inp_head = head; |
47 | inp->inp_socket = so; | |
48 | insque(inp, head); | |
49 | so->so_pcb = (caddr_t)inp; | |
50 | return (0); | |
51 | } | |
0be5ae70 KB |
52 | |
53 | int | |
8075bb0e | 54 | in_pcbbind(inp, nam) |
8f0d18de | 55 | register struct inpcb *inp; |
8075bb0e | 56 | struct mbuf *nam; |
8f0d18de BJ |
57 | { |
58 | register struct socket *so = inp->inp_socket; | |
59 | register struct inpcb *head = inp->inp_head; | |
8075bb0e | 60 | register struct sockaddr_in *sin; |
6d5b2d5f | 61 | struct proc *p = curproc; /* XXX */ |
8f0d18de | 62 | u_short lport = 0; |
6d5b2d5f MK |
63 | int wild = 0, reuseport = (so->so_options & SO_REUSEPORT); |
64 | int error; | |
8f0d18de | 65 | |
5d305bdd | 66 | if (in_ifaddr == 0) |
8f0d18de | 67 | return (EADDRNOTAVAIL); |
5cdc4d65 | 68 | if (inp->inp_lport || inp->inp_laddr.s_addr != INADDR_ANY) |
8075bb0e | 69 | return (EINVAL); |
6d5b2d5f | 70 | if ((so->so_options & (SO_REUSEADDR|SO_REUSEPORT)) == 0 && |
12472eef KM |
71 | ((so->so_proto->pr_flags & PR_CONNREQUIRED) == 0 || |
72 | (so->so_options & SO_ACCEPTCONN) == 0)) | |
73 | wild = INPLOOKUP_WILDCARD; | |
6d5b2d5f MK |
74 | if (nam) { |
75 | sin = mtod(nam, struct sockaddr_in *); | |
76 | if (nam->m_len != sizeof (*sin)) | |
77 | return (EINVAL); | |
78 | #ifdef notdef | |
79 | /* | |
80 | * We should check the family, but old programs | |
81 | * incorrectly fail to initialize it. | |
82 | */ | |
83 | if (sin->sin_family != AF_INET) | |
84 | return (EAFNOSUPPORT); | |
85 | #endif | |
86 | lport = sin->sin_port; | |
87 | if (IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) { | |
88 | /* | |
89 | * Treat SO_REUSEADDR as SO_REUSEPORT for multicast; | |
90 | * allow complete duplication of binding if | |
91 | * SO_REUSEPORT is set, or if SO_REUSEADDR is set | |
92 | * and a multicast address is bound on both | |
93 | * new and duplicated sockets. | |
94 | */ | |
95 | if (so->so_options & SO_REUSEADDR) | |
96 | reuseport = SO_REUSEADDR|SO_REUSEPORT; | |
97 | } else if (sin->sin_addr.s_addr != INADDR_ANY) { | |
98 | sin->sin_port = 0; /* yech... */ | |
99 | if (ifa_ifwithaddr((struct sockaddr *)sin) == 0) | |
100 | return (EADDRNOTAVAIL); | |
101 | } | |
102 | if (lport) { | |
103 | struct inpcb *t; | |
c124e997 | 104 | |
6d5b2d5f MK |
105 | /* GROSS */ |
106 | if (ntohs(lport) < IPPORT_RESERVED && | |
107 | (error = suser(p->p_ucred, &p->p_acflag))) | |
108 | return (error); | |
109 | t = in_pcblookup(head, zeroin_addr, 0, | |
110 | sin->sin_addr, lport, wild); | |
111 | if (t && (reuseport & t->inp_socket->so_options) == 0) | |
112 | return (EADDRINUSE); | |
113 | } | |
114 | inp->inp_laddr = sin->sin_addr; | |
4ad99bae | 115 | } |
b454c3ea BJ |
116 | if (lport == 0) |
117 | do { | |
f44e5691 MK |
118 | if (head->inp_lport++ < IPPORT_RESERVED || |
119 | head->inp_lport > IPPORT_USERRESERVED) | |
1aa87517 | 120 | head->inp_lport = IPPORT_RESERVED; |
b454c3ea | 121 | lport = htons(head->inp_lport); |
1aa87517 | 122 | } while (in_pcblookup(head, |
12472eef | 123 | zeroin_addr, 0, inp->inp_laddr, lport, wild)); |
4ad99bae | 124 | inp->inp_lport = lport; |
4ad99bae | 125 | return (0); |
af092e86 BJ |
126 | } |
127 | ||
1acff8ec BJ |
128 | /* |
129 | * Connect from a socket to a specified address. | |
130 | * Both address and port must be specified in argument sin. | |
131 | * If don't have a local address for this socket yet, | |
132 | * then pick one. | |
133 | */ | |
0be5ae70 | 134 | int |
8075bb0e | 135 | in_pcbconnect(inp, nam) |
552daad2 | 136 | register struct inpcb *inp; |
8075bb0e | 137 | struct mbuf *nam; |
2b4b57cd | 138 | { |
5d305bdd | 139 | struct in_ifaddr *ia; |
ee787340 | 140 | struct sockaddr_in *ifaddr; |
8075bb0e | 141 | register struct sockaddr_in *sin = mtod(nam, struct sockaddr_in *); |
2b4b57cd | 142 | |
8075bb0e BJ |
143 | if (nam->m_len != sizeof (*sin)) |
144 | return (EINVAL); | |
4ad99bae BJ |
145 | if (sin->sin_family != AF_INET) |
146 | return (EAFNOSUPPORT); | |
5d305bdd | 147 | if (sin->sin_port == 0) |
4ad99bae | 148 | return (EADDRNOTAVAIL); |
5d305bdd | 149 | if (in_ifaddr) { |
3f319daa MK |
150 | /* |
151 | * If the destination address is INADDR_ANY, | |
152 | * use the primary local address. | |
153 | * If the supplied address is INADDR_BROADCAST, | |
154 | * and the primary interface supports broadcast, | |
155 | * choose the broadcast address for that interface. | |
156 | */ | |
5d305bdd | 157 | #define satosin(sa) ((struct sockaddr_in *)(sa)) |
09ed489e KS |
158 | #define sintosa(sin) ((struct sockaddr *)(sin)) |
159 | #define ifatoia(ifa) ((struct in_ifaddr *)(ifa)) | |
5d305bdd | 160 | if (sin->sin_addr.s_addr == INADDR_ANY) |
3f319daa | 161 | sin->sin_addr = IA_SIN(in_ifaddr)->sin_addr; |
c9aca561 | 162 | else if (sin->sin_addr.s_addr == (u_long)INADDR_BROADCAST && |
3f319daa MK |
163 | (in_ifaddr->ia_ifp->if_flags & IFF_BROADCAST)) |
164 | sin->sin_addr = satosin(&in_ifaddr->ia_broadaddr)->sin_addr; | |
5d305bdd | 165 | } |
5cdc4d65 | 166 | if (inp->inp_laddr.s_addr == INADDR_ANY) { |
c198b4ed | 167 | register struct route *ro; |
99578149 | 168 | |
c198b4ed MK |
169 | ia = (struct in_ifaddr *)0; |
170 | /* | |
171 | * If route is known or can be allocated now, | |
172 | * our src addr is taken from the i/f, else punt. | |
173 | */ | |
174 | ro = &inp->inp_route; | |
175 | if (ro->ro_rt && | |
1bf75d4e MK |
176 | (satosin(&ro->ro_dst)->sin_addr.s_addr != |
177 | sin->sin_addr.s_addr || | |
178 | inp->inp_socket->so_options & SO_DONTROUTE)) { | |
c198b4ed MK |
179 | RTFREE(ro->ro_rt); |
180 | ro->ro_rt = (struct rtentry *)0; | |
181 | } | |
9f21d23f MK |
182 | if ((inp->inp_socket->so_options & SO_DONTROUTE) == 0 && /*XXX*/ |
183 | (ro->ro_rt == (struct rtentry *)0 || | |
d4538fe2 | 184 | ro->ro_rt->rt_ifp == (struct ifnet *)0)) { |
c198b4ed MK |
185 | /* No route yet, so try to acquire one */ |
186 | ro->ro_dst.sa_family = AF_INET; | |
b4dc7708 | 187 | ro->ro_dst.sa_len = sizeof(struct sockaddr_in); |
c198b4ed MK |
188 | ((struct sockaddr_in *) &ro->ro_dst)->sin_addr = |
189 | sin->sin_addr; | |
190 | rtalloc(ro); | |
ee787340 | 191 | } |
d4538fe2 MK |
192 | /* |
193 | * If we found a route, use the address | |
194 | * corresponding to the outgoing interface | |
195 | * unless it is the loopback (in case a route | |
196 | * to our address on another net goes to loopback). | |
197 | */ | |
09ed489e KS |
198 | if (ro->ro_rt && !(ro->ro_rt->rt_ifp->if_flags & IFF_LOOPBACK)) |
199 | ia = ifatoia(ro->ro_rt->rt_ifa); | |
9f21d23f | 200 | if (ia == 0) { |
0be5ae70 | 201 | u_short fport = sin->sin_port; |
1bf75d4e MK |
202 | |
203 | sin->sin_port = 0; | |
09ed489e | 204 | ia = ifatoia(ifa_ifwithdstaddr(sintosa(sin))); |
9f21d23f | 205 | if (ia == 0) |
09ed489e KS |
206 | ia = ifatoia(ifa_ifwithnet(sintosa(sin))); |
207 | sin->sin_port = fport; | |
9f21d23f MK |
208 | if (ia == 0) |
209 | ia = in_ifaddr; | |
210 | if (ia == 0) | |
211 | return (EADDRNOTAVAIL); | |
c198b4ed | 212 | } |
d6fa15c2 KS |
213 | /* |
214 | * If the destination address is multicast and an outgoing | |
215 | * interface has been set as a multicast option, use the | |
216 | * address of that interface as our source address. | |
217 | */ | |
218 | if (IN_MULTICAST(ntohl(sin->sin_addr.s_addr)) && | |
219 | inp->inp_moptions != NULL) { | |
220 | struct ip_moptions *imo; | |
09ed489e | 221 | struct ifnet *ifp; |
d6fa15c2 KS |
222 | |
223 | imo = inp->inp_moptions; | |
224 | if (imo->imo_multicast_ifp != NULL) { | |
225 | ifp = imo->imo_multicast_ifp; | |
226 | for (ia = in_ifaddr; ia; ia = ia->ia_next) | |
227 | if (ia->ia_ifp == ifp) | |
228 | break; | |
229 | if (ia == 0) | |
230 | return (EADDRNOTAVAIL); | |
231 | } | |
232 | } | |
5d305bdd | 233 | ifaddr = (struct sockaddr_in *)&ia->ia_addr; |
1aa87517 BJ |
234 | } |
235 | if (in_pcblookup(inp->inp_head, | |
1acff8ec BJ |
236 | sin->sin_addr, |
237 | sin->sin_port, | |
ee787340 | 238 | inp->inp_laddr.s_addr ? inp->inp_laddr : ifaddr->sin_addr, |
1acff8ec BJ |
239 | inp->inp_lport, |
240 | 0)) | |
b454c3ea | 241 | return (EADDRINUSE); |
3cd2053b SL |
242 | if (inp->inp_laddr.s_addr == INADDR_ANY) { |
243 | if (inp->inp_lport == 0) | |
8011f5df | 244 | (void)in_pcbbind(inp, (struct mbuf *)0); |
ee787340 | 245 | inp->inp_laddr = ifaddr->sin_addr; |
3cd2053b | 246 | } |
4ad99bae BJ |
247 | inp->inp_faddr = sin->sin_addr; |
248 | inp->inp_fport = sin->sin_port; | |
2b4b57cd BJ |
249 | return (0); |
250 | } | |
251 | ||
0be5ae70 | 252 | int |
405c9168 BJ |
253 | in_pcbdisconnect(inp) |
254 | struct inpcb *inp; | |
255 | { | |
256 | ||
5cdc4d65 | 257 | inp->inp_faddr.s_addr = INADDR_ANY; |
ebcadd38 | 258 | inp->inp_fport = 0; |
8f0d18de | 259 | if (inp->inp_socket->so_state & SS_NOFDREF) |
405c9168 BJ |
260 | in_pcbdetach(inp); |
261 | } | |
262 | ||
0be5ae70 | 263 | int |
405c9168 | 264 | in_pcbdetach(inp) |
af092e86 BJ |
265 | struct inpcb *inp; |
266 | { | |
267 | struct socket *so = inp->inp_socket; | |
268 | ||
ba55c9af BJ |
269 | so->so_pcb = 0; |
270 | sofree(so); | |
c9aca561 | 271 | if (inp->inp_options) |
8011f5df | 272 | (void)m_free(inp->inp_options); |
c124e997 | 273 | if (inp->inp_route.ro_rt) |
f6311fb6 | 274 | rtfree(inp->inp_route.ro_rt); |
d6fa15c2 | 275 | ip_freemoptions(inp->inp_moptions); |
7545cf09 | 276 | remque(inp); |
d6fa15c2 | 277 | FREE(inp, M_PCB); |
af092e86 BJ |
278 | } |
279 | ||
0be5ae70 | 280 | int |
8075bb0e | 281 | in_setsockaddr(inp, nam) |
126472ab | 282 | register struct inpcb *inp; |
8075bb0e | 283 | struct mbuf *nam; |
126472ab | 284 | { |
2aa0644d | 285 | register struct sockaddr_in *sin; |
8075bb0e BJ |
286 | |
287 | nam->m_len = sizeof (*sin); | |
288 | sin = mtod(nam, struct sockaddr_in *); | |
126472ab SL |
289 | bzero((caddr_t)sin, sizeof (*sin)); |
290 | sin->sin_family = AF_INET; | |
b4dc7708 | 291 | sin->sin_len = sizeof(*sin); |
126472ab SL |
292 | sin->sin_port = inp->inp_lport; |
293 | sin->sin_addr = inp->inp_laddr; | |
294 | } | |
295 | ||
0be5ae70 | 296 | int |
a7343092 | 297 | in_setpeeraddr(inp, nam) |
552daad2 | 298 | struct inpcb *inp; |
a7343092 SL |
299 | struct mbuf *nam; |
300 | { | |
2aa0644d | 301 | register struct sockaddr_in *sin; |
a7343092 SL |
302 | |
303 | nam->m_len = sizeof (*sin); | |
304 | sin = mtod(nam, struct sockaddr_in *); | |
305 | bzero((caddr_t)sin, sizeof (*sin)); | |
306 | sin->sin_family = AF_INET; | |
b4dc7708 | 307 | sin->sin_len = sizeof(*sin); |
a7343092 SL |
308 | sin->sin_port = inp->inp_fport; |
309 | sin->sin_addr = inp->inp_faddr; | |
310 | } | |
311 | ||
72e4f44e | 312 | /* |
842b6bb5 | 313 | * Pass some notification to all connections of a protocol |
b1dd4cca MK |
314 | * associated with address dst. The local address and/or port numbers |
315 | * may be specified to limit the search. The "usual action" will be | |
316 | * taken, depending on the ctlinput cmd. The caller must filter any | |
317 | * cmds that are uninteresting (e.g., no error in the map). | |
318 | * Call the protocol specific routine (if any) to report | |
319 | * any errors for each matching socket. | |
320 | * | |
321 | * Must be called at splnet. | |
72e4f44e | 322 | */ |
0be5ae70 KB |
323 | int |
324 | in_pcbnotify(head, dst, fport_arg, laddr, lport_arg, cmd, notify) | |
72e4f44e | 325 | struct inpcb *head; |
b1dd4cca | 326 | struct sockaddr *dst; |
0be5ae70 | 327 | u_int fport_arg, lport_arg; |
b1dd4cca | 328 | struct in_addr laddr; |
0be5ae70 KB |
329 | int cmd; |
330 | void (*notify) __P((struct inpcb *, int)); | |
72e4f44e | 331 | { |
0be5ae70 | 332 | extern u_char inetctlerrmap[]; |
72e4f44e | 333 | register struct inpcb *inp, *oinp; |
b1dd4cca | 334 | struct in_addr faddr; |
0be5ae70 | 335 | u_short fport = fport_arg, lport = lport_arg; |
b1dd4cca | 336 | int errno; |
b1dd4cca MK |
337 | |
338 | if ((unsigned)cmd > PRC_NCMDS || dst->sa_family != AF_INET) | |
339 | return; | |
340 | faddr = ((struct sockaddr_in *)dst)->sin_addr; | |
341 | if (faddr.s_addr == INADDR_ANY) | |
342 | return; | |
72e4f44e | 343 | |
b1dd4cca MK |
344 | /* |
345 | * Redirects go to all references to the destination, | |
346 | * and use in_rtchange to invalidate the route cache. | |
347 | * Dead host indications: notify all references to the destination. | |
348 | * Otherwise, if we have knowledge of the local port and address, | |
349 | * deliver only to that socket. | |
350 | */ | |
351 | if (PRC_IS_REDIRECT(cmd) || cmd == PRC_HOSTDEAD) { | |
352 | fport = 0; | |
353 | lport = 0; | |
354 | laddr.s_addr = 0; | |
355 | if (cmd != PRC_HOSTDEAD) | |
356 | notify = in_rtchange; | |
357 | } | |
358 | errno = inetctlerrmap[cmd]; | |
72e4f44e | 359 | for (inp = head->inp_next; inp != head;) { |
b1dd4cca MK |
360 | if (inp->inp_faddr.s_addr != faddr.s_addr || |
361 | inp->inp_socket == 0 || | |
362 | (lport && inp->inp_lport != lport) || | |
363 | (laddr.s_addr && inp->inp_laddr.s_addr != laddr.s_addr) || | |
364 | (fport && inp->inp_fport != fport)) { | |
72e4f44e SL |
365 | inp = inp->inp_next; |
366 | continue; | |
367 | } | |
72e4f44e SL |
368 | oinp = inp; |
369 | inp = inp->inp_next; | |
c9aca561 | 370 | if (notify) |
b6cdc71a | 371 | (*notify)(oinp, errno); |
72e4f44e | 372 | } |
72e4f44e SL |
373 | } |
374 | ||
2ba2de86 MK |
375 | /* |
376 | * Check for alternatives when higher level complains | |
377 | * about service problems. For now, invalidate cached | |
378 | * routing information. If the route was created dynamically | |
379 | * (by a redirect), time to try a default gateway again. | |
380 | */ | |
0be5ae70 | 381 | int |
2ba2de86 MK |
382 | in_losing(inp) |
383 | struct inpcb *inp; | |
384 | { | |
385 | register struct rtentry *rt; | |
400be97f | 386 | struct rt_addrinfo info; |
2ba2de86 MK |
387 | |
388 | if ((rt = inp->inp_route.ro_rt)) { | |
60da172c | 389 | inp->inp_route.ro_rt = 0; |
400be97f KS |
390 | bzero((caddr_t)&info, sizeof(info)); |
391 | info.rti_info[RTAX_DST] = | |
392 | (struct sockaddr *)&inp->inp_route.ro_dst; | |
393 | info.rti_info[RTAX_GATEWAY] = rt->rt_gateway; | |
394 | info.rti_info[RTAX_NETMASK] = rt_mask(rt); | |
395 | rt_missmsg(RTM_LOSING, &info, rt->rt_flags, 0); | |
2ba2de86 | 396 | if (rt->rt_flags & RTF_DYNAMIC) |
b4dc7708 KS |
397 | (void) rtrequest(RTM_DELETE, rt_key(rt), |
398 | rt->rt_gateway, rt_mask(rt), rt->rt_flags, | |
399 | (struct rtentry **)0); | |
60da172c | 400 | else |
2ba2de86 MK |
401 | /* |
402 | * A new route can be allocated | |
403 | * the next time output is attempted. | |
404 | */ | |
60da172c | 405 | rtfree(rt); |
2ba2de86 MK |
406 | } |
407 | } | |
408 | ||
842b6bb5 MK |
409 | /* |
410 | * After a routing change, flush old routing | |
411 | * and allocate a (hopefully) better one. | |
412 | */ | |
0be5ae70 KB |
413 | void |
414 | in_rtchange(inp, errno) | |
2ba2de86 | 415 | register struct inpcb *inp; |
0be5ae70 | 416 | int errno; |
842b6bb5 MK |
417 | { |
418 | if (inp->inp_route.ro_rt) { | |
419 | rtfree(inp->inp_route.ro_rt); | |
420 | inp->inp_route.ro_rt = 0; | |
421 | /* | |
422 | * A new route can be allocated the next time | |
423 | * output is attempted. | |
424 | */ | |
425 | } | |
842b6bb5 MK |
426 | } |
427 | ||
cdad2eb1 | 428 | struct inpcb * |
0be5ae70 | 429 | in_pcblookup(head, faddr, fport_arg, laddr, lport_arg, flags) |
af092e86 | 430 | struct inpcb *head; |
4ad99bae | 431 | struct in_addr faddr, laddr; |
0be5ae70 | 432 | u_int fport_arg, lport_arg; |
ebcadd38 | 433 | int flags; |
af092e86 | 434 | { |
1aa87517 BJ |
435 | register struct inpcb *inp, *match = 0; |
436 | int matchwild = 3, wildcard; | |
0be5ae70 | 437 | u_short fport = fport_arg, lport = lport_arg; |
af092e86 | 438 | |
405c9168 | 439 | for (inp = head->inp_next; inp != head; inp = inp->inp_next) { |
1aa87517 | 440 | if (inp->inp_lport != lport) |
405c9168 | 441 | continue; |
1aa87517 | 442 | wildcard = 0; |
5cdc4d65 SL |
443 | if (inp->inp_laddr.s_addr != INADDR_ANY) { |
444 | if (laddr.s_addr == INADDR_ANY) | |
1acff8ec BJ |
445 | wildcard++; |
446 | else if (inp->inp_laddr.s_addr != laddr.s_addr) | |
1aa87517 BJ |
447 | continue; |
448 | } else { | |
5cdc4d65 | 449 | if (laddr.s_addr != INADDR_ANY) |
1aa87517 BJ |
450 | wildcard++; |
451 | } | |
5cdc4d65 SL |
452 | if (inp->inp_faddr.s_addr != INADDR_ANY) { |
453 | if (faddr.s_addr == INADDR_ANY) | |
1acff8ec BJ |
454 | wildcard++; |
455 | else if (inp->inp_faddr.s_addr != faddr.s_addr || | |
ebcadd38 | 456 | inp->inp_fport != fport) |
1aa87517 BJ |
457 | continue; |
458 | } else { | |
5cdc4d65 | 459 | if (faddr.s_addr != INADDR_ANY) |
1aa87517 BJ |
460 | wildcard++; |
461 | } | |
ebcadd38 | 462 | if (wildcard && (flags & INPLOOKUP_WILDCARD) == 0) |
405c9168 | 463 | continue; |
1aa87517 BJ |
464 | if (wildcard < matchwild) { |
465 | match = inp; | |
466 | matchwild = wildcard; | |
467 | if (matchwild == 0) | |
468 | break; | |
405c9168 | 469 | } |
1aa87517 | 470 | } |
405c9168 | 471 | return (match); |
af092e86 | 472 | } |