Commit | Line | Data |
---|---|---|
4a2ddbf1 | 1 | /* uipc_socket.c 4.42 82/06/20 */ |
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; |
ce9d8eb4 BJ |
41 | |
42 | /* | |
cc15ab5d BJ |
43 | * Use process standard protocol/protocol family if none |
44 | * specified by address argument. | |
ce9d8eb4 | 45 | */ |
2b4b57cd | 46 | if (asp == 0) { |
cc15ab5d | 47 | pf = PF_INET; /* should be u.u_protof */ |
ce9d8eb4 BJ |
48 | proto = 0; |
49 | } else { | |
2b4b57cd BJ |
50 | pf = asp->sp_family; |
51 | proto = asp->sp_protocol; | |
ce9d8eb4 | 52 | } |
cc15ab5d BJ |
53 | |
54 | /* | |
55 | * If protocol specified, look for it, otherwise | |
56 | * for a protocol of the correct type in the right family. | |
57 | */ | |
58 | if (proto) | |
59 | prp = pffindproto(pf, proto); | |
60 | else | |
61 | prp = pffindtype(pf, type); | |
62 | if (prp == 0) | |
63 | return (EPROTONOSUPPORT); | |
ce9d8eb4 BJ |
64 | |
65 | /* | |
66 | * Get a socket structure. | |
67 | */ | |
cc15ab5d | 68 | m = m_getclr(M_WAIT); |
ce9d8eb4 BJ |
69 | if (m == 0) |
70 | return (ENOBUFS); | |
ce9d8eb4 | 71 | so = mtod(m, struct socket *); |
92a533e6 | 72 | so->so_options = options; |
62364f0e BJ |
73 | so->so_state = 0; |
74 | if (u.u_uid == 0) | |
75 | so->so_state = SS_PRIV; | |
ce9d8eb4 BJ |
76 | |
77 | /* | |
cc15ab5d BJ |
78 | * Attach protocol to socket, initializing |
79 | * and reserving resources. | |
ce9d8eb4 BJ |
80 | */ |
81 | so->so_proto = prp; | |
b91acce4 BJ |
82 | error = (*prp->pr_usrreq)(so, PRU_ATTACH, 0, asa); |
83 | if (error) { | |
de48daf3 BJ |
84 | if (so->so_snd.sb_mbmax || so->so_rcv.sb_mbmax) |
85 | panic("socreate"); | |
86 | so->so_state |= SS_USERGONE; | |
87 | sofree(so); | |
cc15ab5d | 88 | return (error); |
ce9d8eb4 BJ |
89 | } |
90 | *aso = so; | |
91 | return (0); | |
92 | } | |
93 | ||
ae921915 BJ |
94 | sofree(so) |
95 | struct socket *so; | |
96 | { | |
97 | ||
4ad99bae BJ |
98 | if (so->so_pcb || (so->so_state & SS_USERGONE) == 0) |
99 | return; | |
100 | sbrelease(&so->so_snd); | |
101 | sbrelease(&so->so_rcv); | |
2752c877 | 102 | (void) m_free(dtom(so)); |
ae921915 BJ |
103 | } |
104 | ||
92a533e6 | 105 | /* |
cc15ab5d BJ |
106 | * Close a socket on last file table reference removal. |
107 | * Initiate disconnect if connected. | |
108 | * Free socket when disconnect complete. | |
89900a09 BJ |
109 | * |
110 | * THIS IS REALLY A UNIX INTERFACE ROUTINE | |
92a533e6 | 111 | */ |
89900a09 | 112 | soclose(so, exiting) |
92a533e6 | 113 | register struct socket *so; |
89900a09 | 114 | int exiting; |
92a533e6 | 115 | { |
cc15ab5d BJ |
116 | int s = splnet(); /* conservative */ |
117 | ||
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: |
37c0974a SL |
146 | if (so->so_pcb) { |
147 | u.u_error = (*so->so_proto->pr_usrreq)(so, PRU_DETACH, 0, 0); | |
148 | if (exiting == 0 && u.u_error) { | |
149 | splx(s); | |
150 | return; | |
151 | } | |
152 | } | |
cc15ab5d | 153 | discard: |
4ad99bae BJ |
154 | so->so_state |= SS_USERGONE; |
155 | sofree(so); | |
cc15ab5d | 156 | splx(s); |
92a533e6 BJ |
157 | } |
158 | ||
ae921915 | 159 | /*ARGSUSED*/ |
cc15ab5d | 160 | sostat(so, sb) |
92a533e6 | 161 | struct socket *so; |
cc15ab5d | 162 | struct stat *sb; |
92a533e6 BJ |
163 | { |
164 | ||
5e35cca3 BJ |
165 | bzero((caddr_t)sb, sizeof (*sb)); /* XXX */ |
166 | return (0); /* XXX */ | |
92a533e6 BJ |
167 | } |
168 | ||
2b4b57cd BJ |
169 | /* |
170 | * Accept connection on a socket. | |
171 | */ | |
172 | soaccept(so, asa) | |
173 | struct socket *so; | |
174 | struct sockaddr *asa; | |
175 | { | |
176 | int s = splnet(); | |
177 | int error; | |
178 | ||
2b4b57cd BJ |
179 | if ((so->so_options & SO_ACCEPTCONN) == 0) { |
180 | error = EINVAL; /* XXX */ | |
181 | goto bad; | |
182 | } | |
92d06f69 BJ |
183 | if ((so->so_state & SS_CONNAWAITING) == 0) { |
184 | error = ENOTCONN; | |
185 | goto bad; | |
186 | } | |
187 | so->so_state &= ~SS_CONNAWAITING; | |
2b4b57cd BJ |
188 | error = (*so->so_proto->pr_usrreq)(so, PRU_ACCEPT, 0, (caddr_t)asa); |
189 | bad: | |
190 | splx(s); | |
191 | return (error); | |
192 | } | |
193 | ||
ce9d8eb4 | 194 | /* |
cc15ab5d BJ |
195 | * Connect socket to a specified address. |
196 | * If already connected or connecting, then avoid | |
197 | * the protocol entry, to keep its job simpler. | |
ce9d8eb4 | 198 | */ |
2b4b57cd | 199 | soconnect(so, asa) |
ce9d8eb4 | 200 | struct socket *so; |
2b4b57cd | 201 | struct sockaddr *asa; |
ce9d8eb4 | 202 | { |
cc15ab5d BJ |
203 | int s = splnet(); |
204 | int error; | |
ce9d8eb4 | 205 | |
cc15ab5d BJ |
206 | if (so->so_state & (SS_ISCONNECTED|SS_ISCONNECTING)) { |
207 | error = EISCONN; | |
208 | goto bad; | |
209 | } | |
2b4b57cd | 210 | error = (*so->so_proto->pr_usrreq)(so, PRU_CONNECT, 0, (caddr_t)asa); |
cc15ab5d BJ |
211 | bad: |
212 | splx(s); | |
213 | return (error); | |
ce9d8eb4 BJ |
214 | } |
215 | ||
216 | /* | |
cc15ab5d BJ |
217 | * Disconnect from a socket. |
218 | * Address parameter is from system call for later multicast | |
219 | * protocols. Check to make sure that connected and no disconnect | |
220 | * in progress (for protocol's sake), and then invoke protocol. | |
ce9d8eb4 | 221 | */ |
2b4b57cd | 222 | sodisconnect(so, asa) |
ce9d8eb4 | 223 | struct socket *so; |
2b4b57cd | 224 | struct sockaddr *asa; |
ce9d8eb4 | 225 | { |
cc15ab5d BJ |
226 | int s = splnet(); |
227 | int error; | |
ce9d8eb4 | 228 | |
cc15ab5d BJ |
229 | if ((so->so_state & SS_ISCONNECTED) == 0) { |
230 | error = ENOTCONN; | |
231 | goto bad; | |
ce9d8eb4 | 232 | } |
cc15ab5d BJ |
233 | if (so->so_state & SS_ISDISCONNECTING) { |
234 | error = EALREADY; | |
235 | goto bad; | |
ce9d8eb4 | 236 | } |
2b4b57cd | 237 | error = (*so->so_proto->pr_usrreq)(so, PRU_DISCONNECT, 0, asa); |
cc15ab5d BJ |
238 | bad: |
239 | splx(s); | |
240 | return (error); | |
ce9d8eb4 BJ |
241 | } |
242 | ||
cc15ab5d BJ |
243 | /* |
244 | * Send on a socket. | |
245 | * If send must go all at once and message is larger than | |
246 | * send buffering, then hard error. | |
247 | * Lock against other senders. | |
248 | * If must go all at once and not enough room now, then | |
249 | * inform user that this would block and do nothing. | |
250 | */ | |
2b4b57cd | 251 | sosend(so, asa) |
ce9d8eb4 | 252 | register struct socket *so; |
2b4b57cd | 253 | struct sockaddr *asa; |
ce9d8eb4 | 254 | { |
cc15ab5d BJ |
255 | struct mbuf *top = 0; |
256 | register struct mbuf *m, **mp = ⊤ | |
ae921915 BJ |
257 | register u_int len; |
258 | int error = 0, space, s; | |
ce9d8eb4 | 259 | |
cc15ab5d BJ |
260 | if (sosendallatonce(so) && u.u_count > so->so_snd.sb_hiwat) |
261 | return (EMSGSIZE); | |
0f90f987 BJ |
262 | #ifdef notdef |
263 | /* NEED TO PREVENT BUSY WAITING IN SELECT FOR WRITING */ | |
62364f0e | 264 | if ((so->so_snd.sb_flags & SB_LOCK) && (so->so_state & SS_NBIO)) |
cc15ab5d | 265 | return (EWOULDBLOCK); |
0f90f987 BJ |
266 | #endif |
267 | restart: | |
cc15ab5d BJ |
268 | sblock(&so->so_snd); |
269 | #define snderr(errno) { error = errno; splx(s); goto release; } | |
270 | ||
cc15ab5d | 271 | again: |
0f90f987 BJ |
272 | s = splnet(); |
273 | if (so->so_state & SS_CANTSENDMORE) { | |
274 | psignal(u.u_procp, SIGPIPE); | |
275 | snderr(EPIPE); | |
276 | } | |
4c078bb2 BJ |
277 | if (so->so_error) { |
278 | error = so->so_error; | |
0f90f987 | 279 | so->so_error = 0; /* ??? */ |
4c078bb2 BJ |
280 | splx(s); |
281 | goto release; | |
282 | } | |
cc15ab5d BJ |
283 | if ((so->so_state & SS_ISCONNECTED) == 0) { |
284 | if (so->so_proto->pr_flags & PR_CONNREQUIRED) | |
285 | snderr(ENOTCONN); | |
2b4b57cd | 286 | if (asa == 0) |
cc15ab5d BJ |
287 | snderr(EDESTADDRREQ); |
288 | } | |
cc15ab5d | 289 | if (top) { |
2b4b57cd | 290 | error = (*so->so_proto->pr_usrreq)(so, PRU_SEND, top, asa); |
0f90f987 | 291 | top = 0; |
cc15ab5d BJ |
292 | if (error) { |
293 | splx(s); | |
ce9d8eb4 BJ |
294 | goto release; |
295 | } | |
cc15ab5d | 296 | mp = ⊤ |
ce9d8eb4 | 297 | } |
b91acce4 BJ |
298 | if (u.u_count == 0) { |
299 | splx(s); | |
300 | goto release; | |
301 | } | |
50fc8df6 | 302 | space = sbspace(&so->so_snd); |
6fa47729 | 303 | if (space <= 0 || sosendallatonce(so) && space < u.u_count) { |
62364f0e | 304 | if (so->so_state & SS_NBIO) |
cc15ab5d BJ |
305 | snderr(EWOULDBLOCK); |
306 | sbunlock(&so->so_snd); | |
307 | sbwait(&so->so_snd); | |
308 | splx(s); | |
0f90f987 | 309 | goto restart; |
ce9d8eb4 | 310 | } |
cc15ab5d | 311 | splx(s); |
50fc8df6 | 312 | while (u.u_count && space > 0) { |
cc15ab5d BJ |
313 | MGET(m, 1); |
314 | if (m == NULL) { | |
0f90f987 | 315 | error = ENOBUFS; /* SIGPIPE? */ |
cc15ab5d | 316 | goto release; |
ce9d8eb4 | 317 | } |
c5ff2e32 | 318 | if (u.u_count >= CLBYTES && space >= CLBYTES) { |
cc15ab5d | 319 | register struct mbuf *p; |
c5ff2e32 | 320 | MCLGET(p, 1); |
cc15ab5d BJ |
321 | if (p == 0) |
322 | goto nopages; | |
323 | m->m_off = (int)p - (int)m; | |
c5ff2e32 | 324 | len = CLBYTES; |
cc15ab5d | 325 | } else { |
ce9d8eb4 | 326 | nopages: |
cc15ab5d BJ |
327 | m->m_off = MMINOFF; |
328 | len = MIN(MLEN, u.u_count); | |
ce9d8eb4 | 329 | } |
cc15ab5d BJ |
330 | iomove(mtod(m, caddr_t), len, B_WRITE); |
331 | m->m_len = len; | |
332 | *mp = m; | |
333 | mp = &m->m_next; | |
50fc8df6 | 334 | space = sbspace(&so->so_snd); |
ce9d8eb4 | 335 | } |
cc15ab5d BJ |
336 | goto again; |
337 | ||
ce9d8eb4 | 338 | release: |
cc15ab5d | 339 | sbunlock(&so->so_snd); |
0f90f987 BJ |
340 | if (top) |
341 | m_freem(top); | |
ce9d8eb4 BJ |
342 | return (error); |
343 | } | |
344 | ||
2b4b57cd | 345 | soreceive(so, asa) |
ce9d8eb4 | 346 | register struct socket *so; |
2b4b57cd | 347 | struct sockaddr *asa; |
ce9d8eb4 BJ |
348 | { |
349 | register struct mbuf *m, *n; | |
ae921915 | 350 | u_int len; |
edebca28 BJ |
351 | int eor, s, error = 0, cnt = u.u_count; |
352 | caddr_t base = u.u_base; | |
ce9d8eb4 | 353 | |
cc15ab5d BJ |
354 | restart: |
355 | sblock(&so->so_rcv); | |
356 | s = splnet(); | |
357 | ||
358 | #define rcverr(errno) { error = errno; splx(s); goto release; } | |
ce9d8eb4 | 359 | if (so->so_rcv.sb_cc == 0) { |
4c078bb2 BJ |
360 | if (so->so_error) { |
361 | error = so->so_error; | |
362 | so->so_error = 0; | |
363 | splx(s); | |
364 | goto release; | |
365 | } | |
cc15ab5d BJ |
366 | if (so->so_state & SS_CANTRCVMORE) { |
367 | splx(s); | |
368 | goto release; | |
369 | } | |
196d84fd BJ |
370 | if ((so->so_state & SS_ISCONNECTED) == 0 && |
371 | (so->so_proto->pr_flags & PR_CONNREQUIRED)) | |
372 | rcverr(ENOTCONN); | |
62364f0e | 373 | if (so->so_state & SS_NBIO) |
4c078bb2 | 374 | rcverr(EWOULDBLOCK); |
cc15ab5d | 375 | sbunlock(&so->so_rcv); |
2752c877 | 376 | sbwait(&so->so_rcv); |
a4f6d93d | 377 | splx(s); |
cc15ab5d | 378 | goto restart; |
ce9d8eb4 | 379 | } |
92a533e6 | 380 | m = so->so_rcv.sb_mb; |
ce9d8eb4 BJ |
381 | if (m == 0) |
382 | panic("receive"); | |
b031e888 | 383 | if (so->so_proto->pr_flags & PR_ADDR) { |
b031e888 BJ |
384 | if (m->m_len != sizeof (struct sockaddr)) |
385 | panic("soreceive addr"); | |
386 | if (asa) | |
387 | bcopy(mtod(m, caddr_t), (caddr_t)asa, sizeof (*asa)); | |
b031e888 BJ |
388 | so->so_rcv.sb_cc -= m->m_len; |
389 | so->so_rcv.sb_mbcnt -= MSIZE; | |
50fc8df6 | 390 | m = m_free(m); |
cc15ab5d BJ |
391 | if (m == 0) |
392 | panic("receive 2"); | |
50fc8df6 | 393 | so->so_rcv.sb_mb = m; |
cc15ab5d | 394 | } |
edebca28 BJ |
395 | so->so_state &= ~SS_RCVATMARK; |
396 | if (so->so_oobmark && cnt > so->so_oobmark) | |
397 | cnt = so->so_oobmark; | |
ce9d8eb4 BJ |
398 | eor = 0; |
399 | do { | |
edebca28 | 400 | len = MIN(m->m_len, cnt); |
ce9d8eb4 BJ |
401 | splx(s); |
402 | iomove(mtod(m, caddr_t), len, B_READ); | |
edebca28 | 403 | cnt -= len; |
ce9d8eb4 BJ |
404 | s = splnet(); |
405 | if (len == m->m_len) { | |
e495e1cc BJ |
406 | eor = (int)m->m_act; |
407 | sbfree(&so->so_rcv, m); | |
408 | so->so_rcv.sb_mb = m->m_next; | |
ce9d8eb4 BJ |
409 | MFREE(m, n); |
410 | } else { | |
411 | m->m_off += len; | |
412 | m->m_len -= len; | |
92a533e6 | 413 | so->so_rcv.sb_cc -= len; |
ce9d8eb4 | 414 | } |
edebca28 | 415 | } while ((m = so->so_rcv.sb_mb) && cnt && !eor); |
ce9d8eb4 BJ |
416 | if ((so->so_proto->pr_flags & PR_ATOMIC) && eor == 0) |
417 | do { | |
ce9d8eb4 | 418 | if (m == 0) |
cc15ab5d BJ |
419 | panic("receive 3"); |
420 | sbfree(&so->so_rcv, m); | |
ce9d8eb4 BJ |
421 | eor = (int)m->m_act; |
422 | so->so_rcv.sb_mb = m->m_next; | |
423 | MFREE(m, n); | |
cc15ab5d | 424 | m = n; |
ce9d8eb4 | 425 | } while (eor == 0); |
cc15ab5d BJ |
426 | if ((so->so_proto->pr_flags & PR_WANTRCVD) && so->so_pcb) |
427 | (*so->so_proto->pr_usrreq)(so, PRU_RCVD, 0, 0); | |
edebca28 BJ |
428 | if (so->so_oobmark) { |
429 | so->so_oobmark -= u.u_base - base; | |
430 | if (so->so_oobmark == 0) | |
431 | so->so_state |= SS_RCVATMARK; | |
432 | } | |
cc15ab5d | 433 | release: |
ae921915 | 434 | sbunlock(&so->so_rcv); |
cc15ab5d | 435 | splx(s); |
ae921915 | 436 | return (error); |
92a533e6 BJ |
437 | } |
438 | ||
edebca28 BJ |
439 | sohasoutofband(so) |
440 | struct socket *so; | |
441 | { | |
442 | ||
443 | if (so->so_pgrp == 0) | |
444 | return; | |
445 | if (so->so_pgrp > 0) | |
446 | gsignal(so->so_pgrp, SIGURG); | |
0a0f7cbb BJ |
447 | else { |
448 | struct proc *p = pfind(-so->so_pgrp); | |
449 | ||
450 | if (p) | |
451 | psignal(p, SIGURG); | |
452 | } | |
edebca28 BJ |
453 | } |
454 | ||
ae921915 BJ |
455 | /*ARGSUSED*/ |
456 | soioctl(so, cmd, cmdp) | |
92a533e6 BJ |
457 | register struct socket *so; |
458 | int cmd; | |
459 | register caddr_t cmdp; | |
460 | { | |
461 | ||
2156d53c | 462 | switch (cmd) { |
92a533e6 | 463 | |
30b84e26 BJ |
464 | case FIONBIO: { |
465 | int nbio; | |
466 | if (copyin(cmdp, (caddr_t)&nbio, sizeof (nbio))) { | |
467 | u.u_error = EFAULT; | |
468 | return; | |
469 | } | |
470 | if (nbio) | |
62364f0e | 471 | so->so_state |= SS_NBIO; |
30b84e26 | 472 | else |
62364f0e | 473 | so->so_state &= ~SS_NBIO; |
30b84e26 BJ |
474 | return; |
475 | } | |
476 | ||
477 | case FIOASYNC: { | |
478 | int async; | |
479 | if (copyin(cmdp, (caddr_t)&async, sizeof (async))) { | |
480 | u.u_error = EFAULT; | |
481 | return; | |
482 | } | |
483 | if (async) | |
62364f0e | 484 | so->so_state |= SS_ASYNC; |
30b84e26 | 485 | else |
62364f0e | 486 | so->so_state &= ~SS_ASYNC; |
30b84e26 BJ |
487 | return; |
488 | } | |
489 | ||
490 | case SIOCSKEEP: { | |
491 | int keep; | |
492 | if (copyin(cmdp, (caddr_t)&keep, sizeof (keep))) { | |
493 | u.u_error = EFAULT; | |
494 | return; | |
495 | } | |
496 | if (keep) | |
62364f0e | 497 | so->so_options &= ~SO_KEEPALIVE; |
30b84e26 | 498 | else |
62364f0e | 499 | so->so_options |= SO_KEEPALIVE; |
30b84e26 BJ |
500 | return; |
501 | } | |
502 | ||
503 | case SIOCGKEEP: { | |
62364f0e | 504 | int keep = (so->so_options & SO_KEEPALIVE) != 0; |
30b84e26 BJ |
505 | if (copyout((caddr_t)&keep, cmdp, sizeof (keep))) |
506 | u.u_error = EFAULT; | |
507 | return; | |
508 | } | |
509 | ||
510 | case SIOCSLINGER: { | |
511 | int linger; | |
512 | if (copyin(cmdp, (caddr_t)&linger, sizeof (linger))) { | |
513 | u.u_error = EFAULT; | |
514 | return; | |
515 | } | |
516 | so->so_linger = linger; | |
517 | if (so->so_linger) | |
518 | so->so_options &= ~SO_DONTLINGER; | |
519 | else | |
520 | so->so_options |= SO_DONTLINGER; | |
521 | return; | |
522 | } | |
523 | ||
524 | case SIOCGLINGER: { | |
525 | int linger = so->so_linger; | |
526 | if (copyout((caddr_t)&linger, cmdp, sizeof (linger))) { | |
527 | u.u_error = EFAULT; | |
528 | return; | |
529 | } | |
530 | } | |
edebca28 BJ |
531 | case SIOCSPGRP: { |
532 | int pgrp; | |
533 | if (copyin(cmdp, (caddr_t)&pgrp, sizeof (pgrp))) { | |
534 | u.u_error = EFAULT; | |
535 | return; | |
536 | } | |
537 | so->so_pgrp = pgrp; | |
538 | return; | |
539 | } | |
540 | ||
541 | case SIOCGPGRP: { | |
542 | int pgrp = so->so_pgrp; | |
543 | if (copyout((caddr_t)&pgrp, cmdp, sizeof (pgrp))) { | |
544 | u.u_error = EFAULT; | |
545 | return; | |
546 | } | |
547 | } | |
30b84e26 | 548 | |
b8acc34d BJ |
549 | case SIOCDONE: { |
550 | int flags; | |
551 | if (copyin(cmdp, (caddr_t)&flags, sizeof (flags))) { | |
552 | u.u_error = EFAULT; | |
553 | return; | |
554 | } | |
30b84e26 | 555 | flags++; |
b8acc34d BJ |
556 | if (flags & FREAD) { |
557 | int s = splimp(); | |
558 | socantrcvmore(so); | |
559 | sbflush(&so->so_rcv); | |
785e10b7 | 560 | splx(s); |
b8acc34d BJ |
561 | } |
562 | if (flags & FWRITE) | |
c30cd845 | 563 | u.u_error = (*so->so_proto->pr_usrreq)(so, PRU_SHUTDOWN, (struct mbuf *)0, 0); |
b8acc34d BJ |
564 | return; |
565 | } | |
566 | ||
edebca28 BJ |
567 | case SIOCSENDOOB: { |
568 | char oob; | |
569 | struct mbuf *m; | |
570 | if (copyin(cmdp, (caddr_t)&oob, sizeof (oob))) { | |
571 | u.u_error = EFAULT; | |
572 | return; | |
573 | } | |
574 | m = m_get(M_DONTWAIT); | |
575 | if (m == 0) { | |
576 | u.u_error = ENOBUFS; | |
577 | return; | |
578 | } | |
579 | m->m_off = MMINOFF; | |
580 | m->m_len = 1; | |
581 | *mtod(m, caddr_t) = oob; | |
582 | (*so->so_proto->pr_usrreq)(so, PRU_SENDOOB, m, 0); | |
583 | return; | |
584 | } | |
585 | ||
586 | case SIOCRCVOOB: { | |
587 | struct mbuf *m = m_get(M_DONTWAIT); | |
588 | if (m == 0) { | |
589 | u.u_error = ENOBUFS; | |
590 | return; | |
591 | } | |
592 | m->m_off = MMINOFF; *mtod(m, caddr_t) = 0; | |
593 | (*so->so_proto->pr_usrreq)(so, PRU_RCVOOB, m, 0); | |
594 | if (copyout(mtod(m, caddr_t), cmdp, sizeof (char))) { | |
595 | u.u_error = EFAULT; | |
596 | return; | |
597 | } | |
598 | m_free(m); | |
599 | return; | |
600 | } | |
601 | ||
602 | case SIOCATMARK: { | |
603 | int atmark = (so->so_state&SS_RCVATMARK) != 0; | |
604 | if (copyout((caddr_t)&atmark, cmdp, sizeof (atmark))) { | |
605 | u.u_error = EFAULT; | |
606 | return; | |
607 | } | |
608 | return; | |
609 | } | |
2a4251c4 SL |
610 | |
611 | /* routing table update calls */ | |
612 | case SIOCADDRT: | |
613 | case SIOCDELRT: | |
614 | case SIOCCHGRT: { | |
615 | struct rtentry route; | |
2a4251c4 SL |
616 | if (!suser()) |
617 | return; | |
2a4251c4 SL |
618 | if (copyin(cmdp, (caddr_t)&route, sizeof (route))) { |
619 | u.u_error = EFAULT; | |
620 | return; | |
621 | } | |
622 | u.u_error = rtrequest(cmd, &route); | |
623 | return; | |
624 | } | |
625 | ||
5e1eeba0 | 626 | /* type/protocol specific ioctls */ |
92a533e6 | 627 | } |
5e1eeba0 | 628 | u.u_error = EOPNOTSUPP; |
ce9d8eb4 | 629 | } |