Commit | Line | Data |
---|---|---|
2a4251c4 | 1 | /* uipc_socket.c 4.37 82/03/29 */ |
ce9d8eb4 BJ |
2 | |
3 | #include "../h/param.h" | |
92a533e6 | 4 | #include "../h/systm.h" |
ce9d8eb4 BJ |
5 | #include "../h/dir.h" |
6 | #include "../h/user.h" | |
92a533e6 BJ |
7 | #include "../h/proc.h" |
8 | #include "../h/file.h" | |
ce9d8eb4 | 9 | #include "../h/inode.h" |
92a533e6 | 10 | #include "../h/buf.h" |
ce9d8eb4 | 11 | #include "../h/mbuf.h" |
92a533e6 BJ |
12 | #include "../h/protosw.h" |
13 | #include "../h/socket.h" | |
14 | #include "../h/socketvar.h" | |
ae921915 | 15 | #include "../h/stat.h" |
b8acc34d | 16 | #include "../h/ioctl.h" |
c5ff2e32 BJ |
17 | #include "../net/in.h" |
18 | #include "../net/in_systm.h" | |
2a4251c4 | 19 | #include "../net/route.h" |
ce9d8eb4 | 20 | |
ce9d8eb4 | 21 | /* |
cc15ab5d BJ |
22 | * Socket support routines. |
23 | * | |
24 | * DEAL WITH INTERRUPT NOTIFICATION. | |
ce9d8eb4 | 25 | */ |
ce9d8eb4 BJ |
26 | |
27 | /* | |
28 | * Create a socket. | |
29 | */ | |
2b4b57cd | 30 | socreate(aso, type, asp, asa, options) |
ce9d8eb4 BJ |
31 | struct socket **aso; |
32 | int type; | |
2b4b57cd BJ |
33 | struct sockproto *asp; |
34 | struct sockaddr *asa; | |
92a533e6 | 35 | int options; |
ce9d8eb4 BJ |
36 | { |
37 | register struct protosw *prp; | |
38 | register struct socket *so; | |
39 | struct mbuf *m; | |
cc15ab5d | 40 | int pf, proto, error; |
2b4b57cd | 41 | COUNT(SOCREATE); |
ce9d8eb4 BJ |
42 | |
43 | /* | |
cc15ab5d BJ |
44 | * Use process standard protocol/protocol family if none |
45 | * specified by address argument. | |
ce9d8eb4 | 46 | */ |
2b4b57cd | 47 | if (asp == 0) { |
cc15ab5d | 48 | pf = PF_INET; /* should be u.u_protof */ |
ce9d8eb4 BJ |
49 | proto = 0; |
50 | } else { | |
2b4b57cd BJ |
51 | pf = asp->sp_family; |
52 | proto = asp->sp_protocol; | |
ce9d8eb4 | 53 | } |
cc15ab5d BJ |
54 | |
55 | /* | |
56 | * If protocol specified, look for it, otherwise | |
57 | * for a protocol of the correct type in the right family. | |
58 | */ | |
59 | if (proto) | |
60 | prp = pffindproto(pf, proto); | |
61 | else | |
62 | prp = pffindtype(pf, type); | |
63 | if (prp == 0) | |
64 | return (EPROTONOSUPPORT); | |
ce9d8eb4 BJ |
65 | |
66 | /* | |
67 | * Get a socket structure. | |
68 | */ | |
cc15ab5d | 69 | m = m_getclr(M_WAIT); |
ce9d8eb4 BJ |
70 | if (m == 0) |
71 | return (ENOBUFS); | |
ce9d8eb4 | 72 | so = mtod(m, struct socket *); |
92a533e6 | 73 | so->so_options = options; |
62364f0e BJ |
74 | so->so_state = 0; |
75 | if (u.u_uid == 0) | |
76 | so->so_state = SS_PRIV; | |
ce9d8eb4 BJ |
77 | |
78 | /* | |
cc15ab5d BJ |
79 | * Attach protocol to socket, initializing |
80 | * and reserving resources. | |
ce9d8eb4 BJ |
81 | */ |
82 | so->so_proto = prp; | |
b91acce4 BJ |
83 | error = (*prp->pr_usrreq)(so, PRU_ATTACH, 0, asa); |
84 | if (error) { | |
2752c877 | 85 | (void) m_free(dtom(so)); |
cc15ab5d | 86 | return (error); |
ce9d8eb4 BJ |
87 | } |
88 | *aso = so; | |
89 | return (0); | |
90 | } | |
91 | ||
ae921915 BJ |
92 | sofree(so) |
93 | struct socket *so; | |
94 | { | |
95 | ||
2b4b57cd | 96 | COUNT(SOFREE); |
4ad99bae BJ |
97 | if (so->so_pcb || (so->so_state & SS_USERGONE) == 0) |
98 | return; | |
99 | sbrelease(&so->so_snd); | |
100 | sbrelease(&so->so_rcv); | |
2752c877 | 101 | (void) m_free(dtom(so)); |
ae921915 BJ |
102 | } |
103 | ||
92a533e6 | 104 | /* |
cc15ab5d BJ |
105 | * Close a socket on last file table reference removal. |
106 | * Initiate disconnect if connected. | |
107 | * Free socket when disconnect complete. | |
89900a09 BJ |
108 | * |
109 | * THIS IS REALLY A UNIX INTERFACE ROUTINE | |
92a533e6 | 110 | */ |
89900a09 | 111 | soclose(so, exiting) |
92a533e6 | 112 | register struct socket *so; |
89900a09 | 113 | int exiting; |
92a533e6 | 114 | { |
cc15ab5d BJ |
115 | int s = splnet(); /* conservative */ |
116 | ||
2b4b57cd | 117 | COUNT(SOCLOSE); |
cc15ab5d BJ |
118 | if (so->so_pcb == 0) |
119 | goto discard; | |
1ee9e088 BJ |
120 | if (exiting) |
121 | so->so_options |= SO_KEEPALIVE; | |
cc15ab5d BJ |
122 | if (so->so_state & SS_ISCONNECTED) { |
123 | if ((so->so_state & SS_ISDISCONNECTING) == 0) { | |
2b4b57cd | 124 | u.u_error = sodisconnect(so, (struct sockaddr *)0); |
cc15ab5d | 125 | if (u.u_error) { |
89900a09 BJ |
126 | if (exiting) |
127 | goto drop; | |
cc15ab5d BJ |
128 | splx(s); |
129 | return; | |
130 | } | |
131 | } | |
30b84e26 | 132 | if ((so->so_options & SO_DONTLINGER) == 0) { |
b8acc34d | 133 | if ((so->so_state & SS_ISDISCONNECTING) && |
62364f0e | 134 | (so->so_state & SS_NBIO) && |
89900a09 | 135 | exiting == 0) { |
b8acc34d BJ |
136 | u.u_error = EINPROGRESS; |
137 | splx(s); | |
138 | return; | |
139 | } | |
89900a09 | 140 | /* should use tsleep here, for at most linger */ |
b8acc34d BJ |
141 | while (so->so_state & SS_ISCONNECTED) |
142 | sleep((caddr_t)&so->so_timeo, PZERO+1); | |
72857acf | 143 | } |
cc15ab5d | 144 | } |
89900a09 | 145 | drop: |
cc15ab5d BJ |
146 | u.u_error = (*so->so_proto->pr_usrreq)(so, PRU_DETACH, 0, 0); |
147 | discard: | |
4ad99bae BJ |
148 | so->so_state |= SS_USERGONE; |
149 | sofree(so); | |
cc15ab5d | 150 | splx(s); |
92a533e6 BJ |
151 | } |
152 | ||
ae921915 | 153 | /*ARGSUSED*/ |
cc15ab5d | 154 | sostat(so, sb) |
92a533e6 | 155 | struct socket *so; |
cc15ab5d | 156 | struct stat *sb; |
92a533e6 BJ |
157 | { |
158 | ||
2b4b57cd | 159 | COUNT(SOSTAT); |
5e35cca3 BJ |
160 | bzero((caddr_t)sb, sizeof (*sb)); /* XXX */ |
161 | return (0); /* XXX */ | |
92a533e6 BJ |
162 | } |
163 | ||
2b4b57cd BJ |
164 | /* |
165 | * Accept connection on a socket. | |
166 | */ | |
167 | soaccept(so, asa) | |
168 | struct socket *so; | |
169 | struct sockaddr *asa; | |
170 | { | |
171 | int s = splnet(); | |
172 | int error; | |
173 | ||
174 | COUNT(SOACCEPT); | |
2b4b57cd BJ |
175 | if ((so->so_options & SO_ACCEPTCONN) == 0) { |
176 | error = EINVAL; /* XXX */ | |
177 | goto bad; | |
178 | } | |
92d06f69 BJ |
179 | if ((so->so_state & SS_CONNAWAITING) == 0) { |
180 | error = ENOTCONN; | |
181 | goto bad; | |
182 | } | |
183 | so->so_state &= ~SS_CONNAWAITING; | |
2b4b57cd BJ |
184 | error = (*so->so_proto->pr_usrreq)(so, PRU_ACCEPT, 0, (caddr_t)asa); |
185 | bad: | |
186 | splx(s); | |
187 | return (error); | |
188 | } | |
189 | ||
ce9d8eb4 | 190 | /* |
cc15ab5d BJ |
191 | * Connect socket to a specified address. |
192 | * If already connected or connecting, then avoid | |
193 | * the protocol entry, to keep its job simpler. | |
ce9d8eb4 | 194 | */ |
2b4b57cd | 195 | soconnect(so, asa) |
ce9d8eb4 | 196 | struct socket *so; |
2b4b57cd | 197 | struct sockaddr *asa; |
ce9d8eb4 | 198 | { |
cc15ab5d BJ |
199 | int s = splnet(); |
200 | int error; | |
ce9d8eb4 | 201 | |
2b4b57cd | 202 | COUNT(SOCONNECT); |
cc15ab5d BJ |
203 | if (so->so_state & (SS_ISCONNECTED|SS_ISCONNECTING)) { |
204 | error = EISCONN; | |
205 | goto bad; | |
206 | } | |
2b4b57cd | 207 | error = (*so->so_proto->pr_usrreq)(so, PRU_CONNECT, 0, (caddr_t)asa); |
cc15ab5d BJ |
208 | bad: |
209 | splx(s); | |
210 | return (error); | |
ce9d8eb4 BJ |
211 | } |
212 | ||
213 | /* | |
cc15ab5d BJ |
214 | * Disconnect from a socket. |
215 | * Address parameter is from system call for later multicast | |
216 | * protocols. Check to make sure that connected and no disconnect | |
217 | * in progress (for protocol's sake), and then invoke protocol. | |
ce9d8eb4 | 218 | */ |
2b4b57cd | 219 | sodisconnect(so, asa) |
ce9d8eb4 | 220 | struct socket *so; |
2b4b57cd | 221 | struct sockaddr *asa; |
ce9d8eb4 | 222 | { |
cc15ab5d BJ |
223 | int s = splnet(); |
224 | int error; | |
ce9d8eb4 | 225 | |
2b4b57cd | 226 | COUNT(SODISCONNECT); |
cc15ab5d BJ |
227 | if ((so->so_state & SS_ISCONNECTED) == 0) { |
228 | error = ENOTCONN; | |
229 | goto bad; | |
ce9d8eb4 | 230 | } |
cc15ab5d BJ |
231 | if (so->so_state & SS_ISDISCONNECTING) { |
232 | error = EALREADY; | |
233 | goto bad; | |
ce9d8eb4 | 234 | } |
2b4b57cd | 235 | error = (*so->so_proto->pr_usrreq)(so, PRU_DISCONNECT, 0, asa); |
cc15ab5d BJ |
236 | bad: |
237 | splx(s); | |
238 | return (error); | |
ce9d8eb4 BJ |
239 | } |
240 | ||
cc15ab5d BJ |
241 | /* |
242 | * Send on a socket. | |
243 | * If send must go all at once and message is larger than | |
244 | * send buffering, then hard error. | |
245 | * Lock against other senders. | |
246 | * If must go all at once and not enough room now, then | |
247 | * inform user that this would block and do nothing. | |
248 | */ | |
2b4b57cd | 249 | sosend(so, asa) |
ce9d8eb4 | 250 | register struct socket *so; |
2b4b57cd | 251 | struct sockaddr *asa; |
ce9d8eb4 | 252 | { |
cc15ab5d BJ |
253 | struct mbuf *top = 0; |
254 | register struct mbuf *m, **mp = ⊤ | |
ae921915 BJ |
255 | register u_int len; |
256 | int error = 0, space, s; | |
ce9d8eb4 | 257 | |
2b4b57cd | 258 | COUNT(SOSEND); |
1bc8734a BJ |
259 | if (so->so_state & SS_CANTSENDMORE) { |
260 | psignal(u.u_procp, SIGPIPE); | |
cc15ab5d | 261 | return (EPIPE); |
1bc8734a | 262 | } |
cc15ab5d BJ |
263 | if (sosendallatonce(so) && u.u_count > so->so_snd.sb_hiwat) |
264 | return (EMSGSIZE); | |
62364f0e | 265 | if ((so->so_snd.sb_flags & SB_LOCK) && (so->so_state & SS_NBIO)) |
cc15ab5d BJ |
266 | return (EWOULDBLOCK); |
267 | sblock(&so->so_snd); | |
268 | #define snderr(errno) { error = errno; splx(s); goto release; } | |
269 | ||
270 | s = splnet(); | |
271 | again: | |
4c078bb2 BJ |
272 | if (so->so_error) { |
273 | error = so->so_error; | |
274 | so->so_error = 0; | |
275 | splx(s); | |
276 | goto release; | |
277 | } | |
cc15ab5d BJ |
278 | if ((so->so_state & SS_ISCONNECTED) == 0) { |
279 | if (so->so_proto->pr_flags & PR_CONNREQUIRED) | |
280 | snderr(ENOTCONN); | |
2b4b57cd | 281 | if (asa == 0) |
cc15ab5d BJ |
282 | snderr(EDESTADDRREQ); |
283 | } | |
cc15ab5d | 284 | if (top) { |
2b4b57cd | 285 | error = (*so->so_proto->pr_usrreq)(so, PRU_SEND, top, asa); |
cc15ab5d BJ |
286 | if (error) { |
287 | splx(s); | |
ce9d8eb4 BJ |
288 | goto release; |
289 | } | |
cc15ab5d BJ |
290 | top = 0; |
291 | mp = ⊤ | |
ce9d8eb4 | 292 | } |
b91acce4 BJ |
293 | if (u.u_count == 0) { |
294 | splx(s); | |
295 | goto release; | |
296 | } | |
50fc8df6 | 297 | space = sbspace(&so->so_snd); |
6fa47729 | 298 | if (space <= 0 || sosendallatonce(so) && space < u.u_count) { |
62364f0e | 299 | if (so->so_state & SS_NBIO) |
cc15ab5d BJ |
300 | snderr(EWOULDBLOCK); |
301 | sbunlock(&so->so_snd); | |
302 | sbwait(&so->so_snd); | |
303 | splx(s); | |
ce9d8eb4 BJ |
304 | goto again; |
305 | } | |
cc15ab5d | 306 | splx(s); |
50fc8df6 | 307 | while (u.u_count && space > 0) { |
cc15ab5d BJ |
308 | MGET(m, 1); |
309 | if (m == NULL) { | |
310 | error = ENOBUFS; | |
311 | m_freem(top); | |
312 | goto release; | |
ce9d8eb4 | 313 | } |
c5ff2e32 | 314 | if (u.u_count >= CLBYTES && space >= CLBYTES) { |
cc15ab5d | 315 | register struct mbuf *p; |
c5ff2e32 | 316 | MCLGET(p, 1); |
cc15ab5d BJ |
317 | if (p == 0) |
318 | goto nopages; | |
319 | m->m_off = (int)p - (int)m; | |
c5ff2e32 | 320 | len = CLBYTES; |
cc15ab5d | 321 | } else { |
ce9d8eb4 | 322 | nopages: |
cc15ab5d BJ |
323 | m->m_off = MMINOFF; |
324 | len = MIN(MLEN, u.u_count); | |
ce9d8eb4 | 325 | } |
cc15ab5d BJ |
326 | iomove(mtod(m, caddr_t), len, B_WRITE); |
327 | m->m_len = len; | |
328 | *mp = m; | |
329 | mp = &m->m_next; | |
50fc8df6 | 330 | space = sbspace(&so->so_snd); |
ce9d8eb4 | 331 | } |
cc15ab5d BJ |
332 | s = splnet(); |
333 | goto again; | |
334 | ||
ce9d8eb4 | 335 | release: |
cc15ab5d | 336 | sbunlock(&so->so_snd); |
ce9d8eb4 BJ |
337 | return (error); |
338 | } | |
339 | ||
2b4b57cd | 340 | soreceive(so, asa) |
ce9d8eb4 | 341 | register struct socket *so; |
2b4b57cd | 342 | struct sockaddr *asa; |
ce9d8eb4 BJ |
343 | { |
344 | register struct mbuf *m, *n; | |
ae921915 | 345 | u_int len; |
edebca28 BJ |
346 | int eor, s, error = 0, cnt = u.u_count; |
347 | caddr_t base = u.u_base; | |
ce9d8eb4 | 348 | |
2b4b57cd | 349 | COUNT(SORECEIVE); |
cc15ab5d BJ |
350 | restart: |
351 | sblock(&so->so_rcv); | |
352 | s = splnet(); | |
353 | ||
354 | #define rcverr(errno) { error = errno; splx(s); goto release; } | |
ce9d8eb4 | 355 | if (so->so_rcv.sb_cc == 0) { |
4c078bb2 BJ |
356 | if (so->so_error) { |
357 | error = so->so_error; | |
358 | so->so_error = 0; | |
359 | splx(s); | |
360 | goto release; | |
361 | } | |
cc15ab5d BJ |
362 | if (so->so_state & SS_CANTRCVMORE) { |
363 | splx(s); | |
364 | goto release; | |
365 | } | |
196d84fd BJ |
366 | if ((so->so_state & SS_ISCONNECTED) == 0 && |
367 | (so->so_proto->pr_flags & PR_CONNREQUIRED)) | |
368 | rcverr(ENOTCONN); | |
62364f0e | 369 | if (so->so_state & SS_NBIO) |
4c078bb2 | 370 | rcverr(EWOULDBLOCK); |
cc15ab5d | 371 | sbunlock(&so->so_rcv); |
2752c877 | 372 | sbwait(&so->so_rcv); |
a4f6d93d | 373 | splx(s); |
cc15ab5d | 374 | goto restart; |
ce9d8eb4 | 375 | } |
92a533e6 | 376 | m = so->so_rcv.sb_mb; |
ce9d8eb4 BJ |
377 | if (m == 0) |
378 | panic("receive"); | |
b031e888 | 379 | if (so->so_proto->pr_flags & PR_ADDR) { |
b031e888 BJ |
380 | if (m->m_len != sizeof (struct sockaddr)) |
381 | panic("soreceive addr"); | |
382 | if (asa) | |
383 | bcopy(mtod(m, caddr_t), (caddr_t)asa, sizeof (*asa)); | |
b031e888 BJ |
384 | so->so_rcv.sb_cc -= m->m_len; |
385 | so->so_rcv.sb_mbcnt -= MSIZE; | |
50fc8df6 | 386 | m = m_free(m); |
cc15ab5d BJ |
387 | if (m == 0) |
388 | panic("receive 2"); | |
50fc8df6 | 389 | so->so_rcv.sb_mb = m; |
cc15ab5d | 390 | } |
edebca28 BJ |
391 | so->so_state &= ~SS_RCVATMARK; |
392 | if (so->so_oobmark && cnt > so->so_oobmark) | |
393 | cnt = so->so_oobmark; | |
ce9d8eb4 BJ |
394 | eor = 0; |
395 | do { | |
edebca28 | 396 | len = MIN(m->m_len, cnt); |
ce9d8eb4 BJ |
397 | splx(s); |
398 | iomove(mtod(m, caddr_t), len, B_READ); | |
edebca28 | 399 | cnt -= len; |
ce9d8eb4 BJ |
400 | s = splnet(); |
401 | if (len == m->m_len) { | |
e495e1cc BJ |
402 | eor = (int)m->m_act; |
403 | sbfree(&so->so_rcv, m); | |
404 | so->so_rcv.sb_mb = m->m_next; | |
ce9d8eb4 BJ |
405 | MFREE(m, n); |
406 | } else { | |
407 | m->m_off += len; | |
408 | m->m_len -= len; | |
92a533e6 | 409 | so->so_rcv.sb_cc -= len; |
ce9d8eb4 | 410 | } |
edebca28 | 411 | } while ((m = so->so_rcv.sb_mb) && cnt && !eor); |
ce9d8eb4 BJ |
412 | if ((so->so_proto->pr_flags & PR_ATOMIC) && eor == 0) |
413 | do { | |
ce9d8eb4 | 414 | if (m == 0) |
cc15ab5d BJ |
415 | panic("receive 3"); |
416 | sbfree(&so->so_rcv, m); | |
ce9d8eb4 BJ |
417 | eor = (int)m->m_act; |
418 | so->so_rcv.sb_mb = m->m_next; | |
419 | MFREE(m, n); | |
cc15ab5d | 420 | m = n; |
ce9d8eb4 | 421 | } while (eor == 0); |
cc15ab5d BJ |
422 | if ((so->so_proto->pr_flags & PR_WANTRCVD) && so->so_pcb) |
423 | (*so->so_proto->pr_usrreq)(so, PRU_RCVD, 0, 0); | |
edebca28 BJ |
424 | if (so->so_oobmark) { |
425 | so->so_oobmark -= u.u_base - base; | |
426 | if (so->so_oobmark == 0) | |
427 | so->so_state |= SS_RCVATMARK; | |
428 | } | |
cc15ab5d | 429 | release: |
ae921915 | 430 | sbunlock(&so->so_rcv); |
cc15ab5d | 431 | splx(s); |
ae921915 | 432 | return (error); |
92a533e6 BJ |
433 | } |
434 | ||
edebca28 BJ |
435 | sohasoutofband(so) |
436 | struct socket *so; | |
437 | { | |
438 | ||
439 | if (so->so_pgrp == 0) | |
440 | return; | |
441 | if (so->so_pgrp > 0) | |
442 | gsignal(so->so_pgrp, SIGURG); | |
0a0f7cbb BJ |
443 | else { |
444 | struct proc *p = pfind(-so->so_pgrp); | |
445 | ||
446 | if (p) | |
447 | psignal(p, SIGURG); | |
448 | } | |
edebca28 BJ |
449 | } |
450 | ||
ae921915 BJ |
451 | /*ARGSUSED*/ |
452 | soioctl(so, cmd, cmdp) | |
92a533e6 BJ |
453 | register struct socket *so; |
454 | int cmd; | |
455 | register caddr_t cmdp; | |
456 | { | |
457 | ||
2b4b57cd | 458 | COUNT(SOIOCTL); |
2156d53c | 459 | switch (cmd) { |
92a533e6 | 460 | |
30b84e26 BJ |
461 | case FIONBIO: { |
462 | int nbio; | |
463 | if (copyin(cmdp, (caddr_t)&nbio, sizeof (nbio))) { | |
464 | u.u_error = EFAULT; | |
465 | return; | |
466 | } | |
467 | if (nbio) | |
62364f0e | 468 | so->so_state |= SS_NBIO; |
30b84e26 | 469 | else |
62364f0e | 470 | so->so_state &= ~SS_NBIO; |
30b84e26 BJ |
471 | return; |
472 | } | |
473 | ||
474 | case FIOASYNC: { | |
475 | int async; | |
476 | if (copyin(cmdp, (caddr_t)&async, sizeof (async))) { | |
477 | u.u_error = EFAULT; | |
478 | return; | |
479 | } | |
480 | if (async) | |
62364f0e | 481 | so->so_state |= SS_ASYNC; |
30b84e26 | 482 | else |
62364f0e | 483 | so->so_state &= ~SS_ASYNC; |
30b84e26 BJ |
484 | return; |
485 | } | |
486 | ||
487 | case SIOCSKEEP: { | |
488 | int keep; | |
489 | if (copyin(cmdp, (caddr_t)&keep, sizeof (keep))) { | |
490 | u.u_error = EFAULT; | |
491 | return; | |
492 | } | |
493 | if (keep) | |
62364f0e | 494 | so->so_options &= ~SO_KEEPALIVE; |
30b84e26 | 495 | else |
62364f0e | 496 | so->so_options |= SO_KEEPALIVE; |
30b84e26 BJ |
497 | return; |
498 | } | |
499 | ||
500 | case SIOCGKEEP: { | |
62364f0e | 501 | int keep = (so->so_options & SO_KEEPALIVE) != 0; |
30b84e26 BJ |
502 | if (copyout((caddr_t)&keep, cmdp, sizeof (keep))) |
503 | u.u_error = EFAULT; | |
504 | return; | |
505 | } | |
506 | ||
507 | case SIOCSLINGER: { | |
508 | int linger; | |
509 | if (copyin(cmdp, (caddr_t)&linger, sizeof (linger))) { | |
510 | u.u_error = EFAULT; | |
511 | return; | |
512 | } | |
513 | so->so_linger = linger; | |
514 | if (so->so_linger) | |
515 | so->so_options &= ~SO_DONTLINGER; | |
516 | else | |
517 | so->so_options |= SO_DONTLINGER; | |
518 | return; | |
519 | } | |
520 | ||
521 | case SIOCGLINGER: { | |
522 | int linger = so->so_linger; | |
523 | if (copyout((caddr_t)&linger, cmdp, sizeof (linger))) { | |
524 | u.u_error = EFAULT; | |
525 | return; | |
526 | } | |
527 | } | |
edebca28 BJ |
528 | case SIOCSPGRP: { |
529 | int pgrp; | |
530 | if (copyin(cmdp, (caddr_t)&pgrp, sizeof (pgrp))) { | |
531 | u.u_error = EFAULT; | |
532 | return; | |
533 | } | |
534 | so->so_pgrp = pgrp; | |
535 | return; | |
536 | } | |
537 | ||
538 | case SIOCGPGRP: { | |
539 | int pgrp = so->so_pgrp; | |
540 | if (copyout((caddr_t)&pgrp, cmdp, sizeof (pgrp))) { | |
541 | u.u_error = EFAULT; | |
542 | return; | |
543 | } | |
544 | } | |
30b84e26 | 545 | |
b8acc34d BJ |
546 | case SIOCDONE: { |
547 | int flags; | |
548 | if (copyin(cmdp, (caddr_t)&flags, sizeof (flags))) { | |
549 | u.u_error = EFAULT; | |
550 | return; | |
551 | } | |
30b84e26 | 552 | flags++; |
b8acc34d BJ |
553 | if (flags & FREAD) { |
554 | int s = splimp(); | |
555 | socantrcvmore(so); | |
556 | sbflush(&so->so_rcv); | |
785e10b7 | 557 | splx(s); |
b8acc34d BJ |
558 | } |
559 | if (flags & FWRITE) | |
c30cd845 | 560 | u.u_error = (*so->so_proto->pr_usrreq)(so, PRU_SHUTDOWN, (struct mbuf *)0, 0); |
b8acc34d BJ |
561 | return; |
562 | } | |
563 | ||
edebca28 BJ |
564 | case SIOCSENDOOB: { |
565 | char oob; | |
566 | struct mbuf *m; | |
567 | if (copyin(cmdp, (caddr_t)&oob, sizeof (oob))) { | |
568 | u.u_error = EFAULT; | |
569 | return; | |
570 | } | |
571 | m = m_get(M_DONTWAIT); | |
572 | if (m == 0) { | |
573 | u.u_error = ENOBUFS; | |
574 | return; | |
575 | } | |
576 | m->m_off = MMINOFF; | |
577 | m->m_len = 1; | |
578 | *mtod(m, caddr_t) = oob; | |
579 | (*so->so_proto->pr_usrreq)(so, PRU_SENDOOB, m, 0); | |
580 | return; | |
581 | } | |
582 | ||
583 | case SIOCRCVOOB: { | |
584 | struct mbuf *m = m_get(M_DONTWAIT); | |
585 | if (m == 0) { | |
586 | u.u_error = ENOBUFS; | |
587 | return; | |
588 | } | |
589 | m->m_off = MMINOFF; *mtod(m, caddr_t) = 0; | |
590 | (*so->so_proto->pr_usrreq)(so, PRU_RCVOOB, m, 0); | |
591 | if (copyout(mtod(m, caddr_t), cmdp, sizeof (char))) { | |
592 | u.u_error = EFAULT; | |
593 | return; | |
594 | } | |
595 | m_free(m); | |
596 | return; | |
597 | } | |
598 | ||
599 | case SIOCATMARK: { | |
600 | int atmark = (so->so_state&SS_RCVATMARK) != 0; | |
601 | if (copyout((caddr_t)&atmark, cmdp, sizeof (atmark))) { | |
602 | u.u_error = EFAULT; | |
603 | return; | |
604 | } | |
605 | return; | |
606 | } | |
2a4251c4 SL |
607 | |
608 | /* routing table update calls */ | |
609 | case SIOCADDRT: | |
610 | case SIOCDELRT: | |
611 | case SIOCCHGRT: { | |
612 | struct rtentry route; | |
613 | #ifdef notdef | |
614 | if (!suser()) | |
615 | return; | |
616 | #endif | |
617 | if (copyin(cmdp, (caddr_t)&route, sizeof (route))) { | |
618 | u.u_error = EFAULT; | |
619 | return; | |
620 | } | |
621 | u.u_error = rtrequest(cmd, &route); | |
622 | return; | |
623 | } | |
624 | ||
5e1eeba0 | 625 | /* type/protocol specific ioctls */ |
92a533e6 | 626 | } |
5e1eeba0 | 627 | u.u_error = EOPNOTSUPP; |
ce9d8eb4 | 628 | } |