Commit | Line | Data |
---|---|---|
da7c5cc6 | 1 | /* |
da7c5cc6 | 2 | * |
dbf0c423 | 3 | * %sccs.include.redist.c% |
96e6449f | 4 | * |
2d11c1ff | 5 | * @(#)uipc_syscalls.c 7.27 (Berkeley) %G% |
da7c5cc6 | 6 | */ |
c8c7dd0e | 7 | |
94368568 | 8 | #include "param.h" |
5e00df3b | 9 | #include "filedesc.h" |
6d47a3da | 10 | #include "proc.h" |
94368568 | 11 | #include "file.h" |
94368568 | 12 | #include "buf.h" |
6d47a3da | 13 | #include "malloc.h" |
94368568 JB |
14 | #include "mbuf.h" |
15 | #include "protosw.h" | |
16 | #include "socket.h" | |
17 | #include "socketvar.h" | |
813b7cd1 MT |
18 | #ifdef KTRACE |
19 | #include "ktrace.h" | |
20 | #endif | |
4147b3f6 | 21 | |
c8c7dd0e | 22 | /* |
cf012934 | 23 | * System call interface to the socket abstraction. |
c8c7dd0e | 24 | */ |
8ffc8876 CT |
25 | #if defined(COMPAT_43) || defined(COMPAT_SUNOS) |
26 | #define COMPAT_OLDSOCK | |
27 | #endif | |
c8c7dd0e | 28 | |
88a7a62a SL |
29 | extern struct fileops socketops; |
30 | ||
2d11c1ff CT |
31 | struct socket_args { |
32 | int domain; | |
33 | int type; | |
34 | int protocol; | |
35 | }; | |
85843d69 KM |
36 | socket(p, uap, retval) |
37 | struct proc *p; | |
2d11c1ff | 38 | register struct socket_args *uap; |
85843d69 KM |
39 | int *retval; |
40 | { | |
5e00df3b | 41 | struct filedesc *fdp = p->p_fd; |
2b4b57cd | 42 | struct socket *so; |
0c9a45f0 | 43 | struct file *fp; |
76ffad7c | 44 | int fd, error; |
c8c7dd0e | 45 | |
5e00df3b | 46 | if (error = falloc(p, &fp, &fd)) |
d9c2f47f | 47 | return (error); |
4147b3f6 BJ |
48 | fp->f_flag = FREAD|FWRITE; |
49 | fp->f_type = DTYPE_SOCKET; | |
88a7a62a | 50 | fp->f_ops = &socketops; |
76ffad7c | 51 | if (error = socreate(uap->domain, &so, uap->type, uap->protocol)) { |
994fd74e | 52 | fdp->fd_ofiles[fd] = 0; |
336f999d | 53 | ffree(fp); |
76ffad7c MK |
54 | } else { |
55 | fp->f_data = (caddr_t)so; | |
85843d69 | 56 | *retval = fd; |
76ffad7c | 57 | } |
d9c2f47f | 58 | return (error); |
c8c7dd0e | 59 | } |
ae921915 | 60 | |
2d11c1ff CT |
61 | struct bind_args { |
62 | int s; | |
63 | caddr_t name; | |
64 | int namelen; | |
65 | }; | |
85843d69 KM |
66 | /* ARGSUSED */ |
67 | bind(p, uap, retval) | |
68 | struct proc *p; | |
2d11c1ff | 69 | register struct bind_args *uap; |
85843d69 KM |
70 | int *retval; |
71 | { | |
5e00df3b | 72 | struct file *fp; |
cf012934 | 73 | struct mbuf *nam; |
76ffad7c | 74 | int error; |
ae921915 | 75 | |
5e00df3b | 76 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 77 | return (error); |
76ffad7c | 78 | if (error = sockargs(&nam, uap->name, uap->namelen, MT_SONAME)) |
d9c2f47f | 79 | return (error); |
76ffad7c | 80 | error = sobind((struct socket *)fp->f_data, nam); |
cf012934 | 81 | m_freem(nam); |
d9c2f47f | 82 | return (error); |
cf012934 BJ |
83 | } |
84 | ||
2d11c1ff CT |
85 | struct listen_args { |
86 | int s; | |
87 | int backlog; | |
88 | }; | |
85843d69 KM |
89 | /* ARGSUSED */ |
90 | listen(p, uap, retval) | |
91 | struct proc *p; | |
2d11c1ff | 92 | register struct listen_args *uap; |
85843d69 KM |
93 | int *retval; |
94 | { | |
5e00df3b | 95 | struct file *fp; |
76ffad7c | 96 | int error; |
cf012934 | 97 | |
5e00df3b | 98 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f MK |
99 | return (error); |
100 | return (solisten((struct socket *)fp->f_data, uap->backlog)); | |
cf012934 BJ |
101 | } |
102 | ||
2d11c1ff CT |
103 | struct accept_args { |
104 | int s; | |
105 | caddr_t name; | |
106 | int *anamelen; | |
107 | #ifdef COMPAT_OLDSOCK | |
108 | int compat_43; /* pseudo */ | |
109 | #endif | |
110 | }; | |
111 | ||
8ffc8876 | 112 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
113 | accept(p, uap, retval) |
114 | struct proc *p; | |
2d11c1ff | 115 | struct accept_args *uap; |
85843d69 KM |
116 | int *retval; |
117 | { | |
76ffad7c | 118 | |
85843d69 | 119 | uap->compat_43 = 0; |
d9c2f47f | 120 | return (accept1(p, uap, retval)); |
f4d2893a MK |
121 | } |
122 | ||
85843d69 KM |
123 | oaccept(p, uap, retval) |
124 | struct proc *p; | |
2d11c1ff | 125 | struct accept_args *uap; |
85843d69 KM |
126 | int *retval; |
127 | { | |
76ffad7c | 128 | |
85843d69 | 129 | uap->compat_43 = 1; |
d9c2f47f | 130 | return (accept1(p, uap, retval)); |
f4d2893a | 131 | } |
8ffc8876 | 132 | #else /* COMPAT_OLDSOCK */ |
f4d2893a | 133 | |
76ffad7c | 134 | #define accept1 accept |
f4d2893a | 135 | #endif |
76ffad7c | 136 | |
85843d69 KM |
137 | accept1(p, uap, retval) |
138 | struct proc *p; | |
2d11c1ff | 139 | register struct accept_args *uap; |
85843d69 KM |
140 | int *retval; |
141 | { | |
0c9a45f0 | 142 | struct file *fp; |
cf012934 | 143 | struct mbuf *nam; |
27f43765 | 144 | int namelen, error, s; |
cf012934 BJ |
145 | register struct socket *so; |
146 | ||
7a22a33c MK |
147 | if (uap->name && (error = copyin((caddr_t)uap->anamelen, |
148 | (caddr_t)&namelen, sizeof (namelen)))) | |
d9c2f47f | 149 | return (error); |
5e00df3b | 150 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 151 | return (error); |
2b4b57cd | 152 | s = splnet(); |
88a7a62a | 153 | so = (struct socket *)fp->f_data; |
4147b3f6 | 154 | if ((so->so_options & SO_ACCEPTCONN) == 0) { |
4147b3f6 | 155 | splx(s); |
d9c2f47f | 156 | return (EINVAL); |
4147b3f6 BJ |
157 | } |
158 | if ((so->so_state & SS_NBIO) && so->so_qlen == 0) { | |
2b4b57cd | 159 | splx(s); |
d9c2f47f | 160 | return (EWOULDBLOCK); |
2b4b57cd | 161 | } |
4147b3f6 | 162 | while (so->so_qlen == 0 && so->so_error == 0) { |
62229532 BJ |
163 | if (so->so_state & SS_CANTRCVMORE) { |
164 | so->so_error = ECONNABORTED; | |
165 | break; | |
166 | } | |
27f43765 MK |
167 | if (error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH, |
168 | netcon, 0)) { | |
169 | splx(s); | |
d9c2f47f | 170 | return (error); |
27f43765 | 171 | } |
62229532 | 172 | } |
f269ef23 | 173 | if (so->so_error) { |
27f43765 | 174 | error = so->so_error; |
f4ed5810 | 175 | so->so_error = 0; |
f269ef23 | 176 | splx(s); |
d9c2f47f | 177 | return (error); |
f269ef23 | 178 | } |
5e00df3b | 179 | if (error = falloc(p, &fp, retval)) { |
2b4b57cd | 180 | splx(s); |
d9c2f47f | 181 | return (error); |
cf012934 BJ |
182 | } |
183 | { struct socket *aso = so->so_q; | |
184 | if (soqremque(aso, 1) == 0) | |
185 | panic("accept"); | |
186 | so = aso; | |
2b4b57cd | 187 | } |
4147b3f6 BJ |
188 | fp->f_type = DTYPE_SOCKET; |
189 | fp->f_flag = FREAD|FWRITE; | |
88a7a62a SL |
190 | fp->f_ops = &socketops; |
191 | fp->f_data = (caddr_t)so; | |
cce93e4b | 192 | nam = m_get(M_WAIT, MT_SONAME); |
66f52238 | 193 | (void) soaccept(so, nam); |
cf012934 | 194 | if (uap->name) { |
8ffc8876 | 195 | #ifdef COMPAT_OLDSOCK |
76ffad7c | 196 | if (uap->compat_43) |
f4d2893a MK |
197 | mtod(nam, struct osockaddr *)->sa_family = |
198 | mtod(nam, struct sockaddr *)->sa_family; | |
199 | #endif | |
cf012934 BJ |
200 | if (namelen > nam->m_len) |
201 | namelen = nam->m_len; | |
202 | /* SHOULD COPY OUT A CHAIN HERE */ | |
7a22a33c MK |
203 | if ((error = copyout(mtod(nam, caddr_t), (caddr_t)uap->name, |
204 | (u_int)namelen)) == 0) | |
205 | error = copyout((caddr_t)&namelen, | |
206 | (caddr_t)uap->anamelen, sizeof (*uap->anamelen)); | |
cf012934 BJ |
207 | } |
208 | m_freem(nam); | |
2b4b57cd | 209 | splx(s); |
d9c2f47f | 210 | return (error); |
ae921915 BJ |
211 | } |
212 | ||
2d11c1ff CT |
213 | struct connect_args { |
214 | int s; | |
215 | caddr_t name; | |
216 | int namelen; | |
217 | }; | |
85843d69 KM |
218 | /* ARGSUSED */ |
219 | connect(p, uap, retval) | |
220 | struct proc *p; | |
2d11c1ff | 221 | register struct connect_args *uap; |
85843d69 KM |
222 | int *retval; |
223 | { | |
5e00df3b | 224 | struct file *fp; |
c8c7dd0e | 225 | register struct socket *so; |
cf012934 | 226 | struct mbuf *nam; |
27f43765 | 227 | int error, s; |
c8c7dd0e | 228 | |
5e00df3b | 229 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 230 | return (error); |
88a7a62a | 231 | so = (struct socket *)fp->f_data; |
27f43765 | 232 | if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) |
d9c2f47f | 233 | return (EALREADY); |
27f43765 | 234 | if (error = sockargs(&nam, uap->name, uap->namelen, MT_SONAME)) |
d9c2f47f | 235 | return (error); |
27f43765 MK |
236 | error = soconnect(so, nam); |
237 | if (error) | |
cf012934 | 238 | goto bad; |
27f43765 | 239 | if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) { |
6222acc3 | 240 | m_freem(nam); |
d9c2f47f | 241 | return (EINPROGRESS); |
6222acc3 | 242 | } |
c8c7dd0e | 243 | s = splnet(); |
cc15ab5d | 244 | while ((so->so_state & SS_ISCONNECTING) && so->so_error == 0) |
27f43765 MK |
245 | if (error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH, |
246 | netcon, 0)) | |
247 | break; | |
248 | if (error == 0) { | |
249 | error = so->so_error; | |
250 | so->so_error = 0; | |
251 | } | |
cc15ab5d | 252 | splx(s); |
cf012934 | 253 | bad: |
6750daae | 254 | so->so_state &= ~SS_ISCONNECTING; |
cf012934 | 255 | m_freem(nam); |
27f43765 MK |
256 | if (error == ERESTART) |
257 | error = EINTR; | |
d9c2f47f | 258 | return (error); |
c8c7dd0e BJ |
259 | } |
260 | ||
2d11c1ff CT |
261 | struct socketpair_args { |
262 | int domain; | |
263 | int type; | |
264 | int protocol; | |
265 | int *rsv; | |
266 | }; | |
85843d69 KM |
267 | socketpair(p, uap, retval) |
268 | struct proc *p; | |
2d11c1ff | 269 | register struct socketpair_args *uap; |
85843d69 KM |
270 | int retval[]; |
271 | { | |
5e00df3b | 272 | register struct filedesc *fdp = p->p_fd; |
0c9a45f0 | 273 | struct file *fp1, *fp2; |
5a48956d | 274 | struct socket *so1, *so2; |
76ffad7c | 275 | int fd, error, sv[2]; |
cf012934 | 276 | |
76ffad7c | 277 | if (error = socreate(uap->domain, &so1, uap->type, uap->protocol)) |
d9c2f47f | 278 | return (error); |
76ffad7c | 279 | if (error = socreate(uap->domain, &so2, uap->type, uap->protocol)) |
b242cf10 | 280 | goto free1; |
5e00df3b | 281 | if (error = falloc(p, &fp1, &fd)) |
5a48956d | 282 | goto free2; |
0c9a45f0 | 283 | sv[0] = fd; |
5a48956d SL |
284 | fp1->f_flag = FREAD|FWRITE; |
285 | fp1->f_type = DTYPE_SOCKET; | |
286 | fp1->f_ops = &socketops; | |
287 | fp1->f_data = (caddr_t)so1; | |
5e00df3b | 288 | if (error = falloc(p, &fp2, &fd)) |
5a48956d SL |
289 | goto free3; |
290 | fp2->f_flag = FREAD|FWRITE; | |
291 | fp2->f_type = DTYPE_SOCKET; | |
292 | fp2->f_ops = &socketops; | |
293 | fp2->f_data = (caddr_t)so2; | |
0c9a45f0 | 294 | sv[1] = fd; |
76ffad7c | 295 | if (error = soconnect2(so1, so2)) |
5a48956d | 296 | goto free4; |
33446404 MK |
297 | if (uap->type == SOCK_DGRAM) { |
298 | /* | |
299 | * Datagram socket connection is asymmetric. | |
300 | */ | |
76ffad7c | 301 | if (error = soconnect2(so2, so1)) |
33446404 MK |
302 | goto free4; |
303 | } | |
76ffad7c | 304 | error = copyout((caddr_t)sv, (caddr_t)uap->rsv, 2 * sizeof (int)); |
85843d69 KM |
305 | retval[0] = sv[0]; /* XXX ??? */ |
306 | retval[1] = sv[1]; /* XXX ??? */ | |
d9c2f47f | 307 | return (error); |
5a48956d | 308 | free4: |
336f999d | 309 | ffree(fp2); |
994fd74e | 310 | fdp->fd_ofiles[sv[1]] = 0; |
5a48956d | 311 | free3: |
336f999d | 312 | ffree(fp1); |
994fd74e | 313 | fdp->fd_ofiles[sv[0]] = 0; |
5a48956d | 314 | free2: |
8011f5df | 315 | (void)soclose(so2); |
b242cf10 | 316 | free1: |
8011f5df | 317 | (void)soclose(so1); |
d9c2f47f | 318 | return (error); |
cf012934 BJ |
319 | } |
320 | ||
2d11c1ff CT |
321 | struct sendto_args { |
322 | int s; | |
323 | caddr_t buf; | |
324 | int len; | |
325 | int flags; | |
326 | caddr_t to; | |
327 | int tolen; | |
328 | }; | |
85843d69 KM |
329 | sendto(p, uap, retval) |
330 | struct proc *p; | |
2d11c1ff | 331 | register struct sendto_args *uap; |
85843d69 KM |
332 | int *retval; |
333 | { | |
88a7a62a | 334 | struct msghdr msg; |
d3d550b5 | 335 | struct iovec aiov; |
5e00df3b | 336 | int error; |
c8c7dd0e | 337 | |
88a7a62a SL |
338 | msg.msg_name = uap->to; |
339 | msg.msg_namelen = uap->tolen; | |
340 | msg.msg_iov = &aiov; | |
341 | msg.msg_iovlen = 1; | |
27f43765 | 342 | msg.msg_control = 0; |
8ffc8876 | 343 | #ifdef COMPAT_OLDSOCK |
27f43765 MK |
344 | msg.msg_flags = 0; |
345 | #endif | |
cf012934 BJ |
346 | aiov.iov_base = uap->buf; |
347 | aiov.iov_len = uap->len; | |
5e00df3b | 348 | return (sendit(p, uap->s, &msg, uap->flags, retval)); |
c8c7dd0e BJ |
349 | } |
350 | ||
8ffc8876 | 351 | #ifdef COMPAT_OLDSOCK |
2d11c1ff CT |
352 | struct osend_args { |
353 | int s; | |
354 | caddr_t buf; | |
355 | int len; | |
356 | int flags; | |
357 | }; | |
85843d69 KM |
358 | osend(p, uap, retval) |
359 | struct proc *p; | |
2d11c1ff | 360 | register struct osend_args *uap; |
85843d69 KM |
361 | int *retval; |
362 | { | |
88a7a62a | 363 | struct msghdr msg; |
a6b6f679 | 364 | struct iovec aiov; |
cc15ab5d | 365 | |
88a7a62a SL |
366 | msg.msg_name = 0; |
367 | msg.msg_namelen = 0; | |
368 | msg.msg_iov = &aiov; | |
369 | msg.msg_iovlen = 1; | |
cf012934 BJ |
370 | aiov.iov_base = uap->buf; |
371 | aiov.iov_len = uap->len; | |
6d47a3da | 372 | msg.msg_control = 0; |
27f43765 | 373 | msg.msg_flags = 0; |
5e00df3b | 374 | return (sendit(p, uap->s, &msg, uap->flags, retval)); |
88a7a62a SL |
375 | } |
376 | ||
7a22a33c | 377 | #define MSG_COMPAT 0x8000 |
2d11c1ff CT |
378 | struct osendmsg_args { |
379 | int s; | |
380 | caddr_t msg; | |
381 | int flags; | |
382 | }; | |
85843d69 KM |
383 | osendmsg(p, uap, retval) |
384 | struct proc *p; | |
2d11c1ff | 385 | register struct osendmsg_args *uap; |
85843d69 KM |
386 | int *retval; |
387 | { | |
6d47a3da | 388 | struct msghdr msg; |
813b7cd1 | 389 | struct iovec aiov[UIO_SMALLIOV], *iov; |
76ffad7c | 390 | int error; |
6d47a3da | 391 | |
76ffad7c | 392 | if (error = copyin(uap->msg, (caddr_t)&msg, sizeof (struct omsghdr))) |
d9c2f47f | 393 | return (error); |
813b7cd1 MT |
394 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
395 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 396 | return (EMSGSIZE); |
813b7cd1 MT |
397 | MALLOC(iov, struct iovec *, |
398 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
399 | M_WAITOK); | |
400 | } else | |
401 | iov = aiov; | |
402 | if (error = copyin((caddr_t)msg.msg_iov, (caddr_t)iov, | |
403 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec)))) | |
404 | goto done; | |
7a22a33c | 405 | msg.msg_flags = MSG_COMPAT; |
813b7cd1 | 406 | msg.msg_iov = iov; |
5e00df3b | 407 | error = sendit(p, uap->s, &msg, uap->flags, retval); |
813b7cd1 MT |
408 | done: |
409 | if (iov != aiov) | |
410 | FREE(iov, M_IOV); | |
d9c2f47f | 411 | return (error); |
6d47a3da MK |
412 | } |
413 | #endif | |
414 | ||
2d11c1ff CT |
415 | struct sendmsg_args { |
416 | int s; | |
417 | caddr_t msg; | |
418 | int flags; | |
419 | }; | |
85843d69 KM |
420 | sendmsg(p, uap, retval) |
421 | struct proc *p; | |
2d11c1ff | 422 | register struct sendmsg_args *uap; |
85843d69 KM |
423 | int *retval; |
424 | { | |
88a7a62a | 425 | struct msghdr msg; |
813b7cd1 | 426 | struct iovec aiov[UIO_SMALLIOV], *iov; |
76ffad7c | 427 | int error; |
88a7a62a | 428 | |
76ffad7c | 429 | if (error = copyin(uap->msg, (caddr_t)&msg, sizeof (msg))) |
d9c2f47f | 430 | return (error); |
813b7cd1 MT |
431 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
432 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 433 | return (EMSGSIZE); |
813b7cd1 MT |
434 | MALLOC(iov, struct iovec *, |
435 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
436 | M_WAITOK); | |
437 | } else | |
438 | iov = aiov; | |
3eb6310a | 439 | if (msg.msg_iovlen && |
813b7cd1 MT |
440 | (error = copyin((caddr_t)msg.msg_iov, (caddr_t)iov, |
441 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec))))) | |
442 | goto done; | |
443 | msg.msg_iov = iov; | |
8ffc8876 | 444 | #ifdef COMPAT_OLDSOCK |
27f43765 MK |
445 | msg.msg_flags = 0; |
446 | #endif | |
5e00df3b | 447 | error = sendit(p, uap->s, &msg, uap->flags, retval); |
813b7cd1 MT |
448 | done: |
449 | if (iov != aiov) | |
450 | FREE(iov, M_IOV); | |
d9c2f47f | 451 | return (error); |
88a7a62a SL |
452 | } |
453 | ||
5e00df3b KM |
454 | sendit(p, s, mp, flags, retsize) |
455 | register struct proc *p; | |
88a7a62a SL |
456 | int s; |
457 | register struct msghdr *mp; | |
85843d69 | 458 | int flags, *retsize; |
88a7a62a | 459 | { |
5e00df3b | 460 | struct file *fp; |
88a7a62a SL |
461 | struct uio auio; |
462 | register struct iovec *iov; | |
463 | register int i; | |
27f43765 | 464 | struct mbuf *to, *control; |
76ffad7c | 465 | int len, error; |
813b7cd1 MT |
466 | #ifdef KTRACE |
467 | struct iovec *ktriov = NULL; | |
468 | #endif | |
88a7a62a | 469 | |
5e00df3b | 470 | if (error = getsock(p->p_fd, s, &fp)) |
76ffad7c | 471 | return (error); |
88a7a62a SL |
472 | auio.uio_iov = mp->msg_iov; |
473 | auio.uio_iovcnt = mp->msg_iovlen; | |
c41770c0 | 474 | auio.uio_segflg = UIO_USERSPACE; |
c4ec2128 | 475 | auio.uio_rw = UIO_WRITE; |
994fd74e | 476 | auio.uio_procp = p; |
88a7a62a SL |
477 | auio.uio_offset = 0; /* XXX */ |
478 | auio.uio_resid = 0; | |
479 | iov = mp->msg_iov; | |
125c8f95 | 480 | for (i = 0; i < mp->msg_iovlen; i++, iov++) { |
76ffad7c MK |
481 | if (iov->iov_len < 0) |
482 | return (EINVAL); | |
7a22a33c MK |
483 | if ((auio.uio_resid += iov->iov_len) < 0) |
484 | return (EINVAL); | |
88a7a62a SL |
485 | } |
486 | if (mp->msg_name) { | |
76ffad7c MK |
487 | if (error = sockargs(&to, mp->msg_name, mp->msg_namelen, |
488 | MT_SONAME)) | |
489 | return (error); | |
88a7a62a SL |
490 | } else |
491 | to = 0; | |
6d47a3da | 492 | if (mp->msg_control) { |
7a22a33c | 493 | if (mp->msg_controllen < sizeof(struct cmsghdr) |
8ffc8876 | 494 | #ifdef COMPAT_OLDSOCK |
a7a4c7b9 | 495 | && mp->msg_flags != MSG_COMPAT |
7a22a33c | 496 | #endif |
a7a4c7b9 | 497 | ) { |
7a22a33c MK |
498 | error = EINVAL; |
499 | goto bad; | |
500 | } | |
76ffad7c MK |
501 | if (error = sockargs(&control, mp->msg_control, |
502 | mp->msg_controllen, MT_CONTROL)) | |
6d47a3da | 503 | goto bad; |
8ffc8876 | 504 | #ifdef COMPAT_OLDSOCK |
7a22a33c | 505 | if (mp->msg_flags == MSG_COMPAT) { |
27f43765 | 506 | register struct cmsghdr *cm; |
76ffad7c | 507 | |
27f43765 | 508 | M_PREPEND(control, sizeof(*cm), M_WAIT); |
76ffad7c MK |
509 | if (control == 0) { |
510 | error = ENOBUFS; | |
511 | goto bad; | |
512 | } else { | |
27f43765 MK |
513 | cm = mtod(control, struct cmsghdr *); |
514 | cm->cmsg_len = control->m_len; | |
515 | cm->cmsg_level = SOL_SOCKET; | |
516 | cm->cmsg_type = SCM_RIGHTS; | |
517 | } | |
518 | } | |
519 | #endif | |
6d47a3da MK |
520 | } else |
521 | control = 0; | |
813b7cd1 | 522 | #ifdef KTRACE |
5e00df3b | 523 | if (KTRPOINT(p, KTR_GENIO)) { |
813b7cd1 MT |
524 | int iovlen = auio.uio_iovcnt * sizeof (struct iovec); |
525 | ||
526 | MALLOC(ktriov, struct iovec *, iovlen, M_TEMP, M_WAITOK); | |
527 | bcopy((caddr_t)auio.uio_iov, (caddr_t)ktriov, iovlen); | |
528 | } | |
529 | #endif | |
88a7a62a | 530 | len = auio.uio_resid; |
76ffad7c | 531 | if (error = sosend((struct socket *)fp->f_data, to, &auio, |
7a22a33c | 532 | (struct mbuf *)0, control, flags)) { |
76ffad7c MK |
533 | if (auio.uio_resid != len && (error == ERESTART || |
534 | error == EINTR || error == EWOULDBLOCK)) | |
535 | error = 0; | |
536 | if (error == EPIPE) | |
5e00df3b | 537 | psignal(p, SIGPIPE); |
813b7cd1 MT |
538 | } |
539 | if (error == 0) | |
85843d69 | 540 | *retsize = len - auio.uio_resid; |
813b7cd1 MT |
541 | #ifdef KTRACE |
542 | if (ktriov != NULL) { | |
543 | if (error == 0) | |
5e00df3b | 544 | ktrgenio(p->p_tracep, s, UIO_WRITE, |
81ba99b6 | 545 | ktriov, *retsize, error); |
813b7cd1 MT |
546 | FREE(ktriov, M_TEMP); |
547 | } | |
548 | #endif | |
6d47a3da | 549 | bad: |
88a7a62a SL |
550 | if (to) |
551 | m_freem(to); | |
76ffad7c | 552 | return (error); |
cf012934 BJ |
553 | } |
554 | ||
2d11c1ff CT |
555 | struct recvfrom_args { |
556 | int s; | |
557 | caddr_t buf; | |
558 | int len; | |
559 | int flags; | |
560 | caddr_t from; | |
561 | int *fromlenaddr; | |
562 | }; | |
563 | ||
8ffc8876 | 564 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
565 | orecvfrom(p, uap, retval) |
566 | struct proc *p; | |
2d11c1ff | 567 | struct recvfrom_args *uap; |
85843d69 KM |
568 | int *retval; |
569 | { | |
76ffad7c | 570 | |
85843d69 | 571 | uap->flags |= MSG_COMPAT; |
d9c2f47f | 572 | return (recvfrom(p, uap, retval)); |
f4d2893a | 573 | } |
f4d2893a | 574 | #endif |
76ffad7c | 575 | |
85843d69 KM |
576 | recvfrom(p, uap, retval) |
577 | struct proc *p; | |
2d11c1ff | 578 | register struct recvfrom_args *uap; |
85843d69 KM |
579 | int *retval; |
580 | { | |
88a7a62a | 581 | struct msghdr msg; |
cf012934 | 582 | struct iovec aiov; |
7a22a33c | 583 | int error; |
cf012934 | 584 | |
6d47a3da | 585 | if (uap->fromlenaddr) { |
7a22a33c MK |
586 | if (error = copyin((caddr_t)uap->fromlenaddr, |
587 | (caddr_t)&msg.msg_namelen, sizeof (msg.msg_namelen))) | |
d9c2f47f | 588 | return (error); |
6d47a3da | 589 | } else |
7a22a33c | 590 | msg.msg_namelen = 0; |
88a7a62a | 591 | msg.msg_name = uap->from; |
88a7a62a SL |
592 | msg.msg_iov = &aiov; |
593 | msg.msg_iovlen = 1; | |
cf012934 BJ |
594 | aiov.iov_base = uap->buf; |
595 | aiov.iov_len = uap->len; | |
6d47a3da | 596 | msg.msg_control = 0; |
813b7cd1 | 597 | msg.msg_flags = uap->flags; |
5e00df3b | 598 | return (recvit(p, uap->s, &msg, (caddr_t)uap->fromlenaddr, retval)); |
cf012934 | 599 | } |
76ffad7c | 600 | |
8ffc8876 | 601 | #ifdef COMPAT_OLDSOCK |
2d11c1ff CT |
602 | struct orecv_args { |
603 | int s; | |
604 | caddr_t buf; | |
605 | int len; | |
606 | int flags; | |
607 | }; | |
85843d69 KM |
608 | orecv(p, uap, retval) |
609 | struct proc *p; | |
2d11c1ff | 610 | register struct orecv_args *uap; |
85843d69 KM |
611 | int *retval; |
612 | { | |
88a7a62a | 613 | struct msghdr msg; |
cf012934 BJ |
614 | struct iovec aiov; |
615 | ||
88a7a62a SL |
616 | msg.msg_name = 0; |
617 | msg.msg_namelen = 0; | |
618 | msg.msg_iov = &aiov; | |
619 | msg.msg_iovlen = 1; | |
cf012934 BJ |
620 | aiov.iov_base = uap->buf; |
621 | aiov.iov_len = uap->len; | |
6d47a3da MK |
622 | msg.msg_control = 0; |
623 | msg.msg_flags = uap->flags; | |
5e00df3b | 624 | return (recvit(p, uap->s, &msg, (caddr_t)0, retval)); |
6d47a3da MK |
625 | } |
626 | ||
7a22a33c MK |
627 | /* |
628 | * Old recvmsg. This code takes advantage of the fact that the old msghdr | |
629 | * overlays the new one, missing only the flags, and with the (old) access | |
630 | * rights where the control fields are now. | |
631 | */ | |
2d11c1ff CT |
632 | struct orecvmsg_args { |
633 | int s; | |
634 | struct omsghdr *msg; | |
635 | int flags; | |
636 | }; | |
85843d69 KM |
637 | orecvmsg(p, uap, retval) |
638 | struct proc *p; | |
2d11c1ff | 639 | register struct orecvmsg_args *uap; |
85843d69 KM |
640 | int *retval; |
641 | { | |
6d47a3da | 642 | struct msghdr msg; |
813b7cd1 | 643 | struct iovec aiov[UIO_SMALLIOV], *iov; |
76ffad7c | 644 | int error; |
6d47a3da | 645 | |
76ffad7c MK |
646 | if (error = copyin((caddr_t)uap->msg, (caddr_t)&msg, |
647 | sizeof (struct omsghdr))) | |
d9c2f47f | 648 | return (error); |
813b7cd1 MT |
649 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
650 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 651 | return (EMSGSIZE); |
813b7cd1 MT |
652 | MALLOC(iov, struct iovec *, |
653 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
654 | M_WAITOK); | |
655 | } else | |
656 | iov = aiov; | |
7a22a33c | 657 | msg.msg_flags = uap->flags | MSG_COMPAT; |
813b7cd1 MT |
658 | if (error = copyin((caddr_t)msg.msg_iov, (caddr_t)iov, |
659 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec)))) | |
660 | goto done; | |
661 | msg.msg_iov = iov; | |
5e00df3b | 662 | error = recvit(p, uap->s, &msg, (caddr_t)&uap->msg->msg_namelen, retval); |
7a22a33c MK |
663 | |
664 | if (msg.msg_controllen && error == 0) | |
665 | error = copyout((caddr_t)&msg.msg_controllen, | |
666 | (caddr_t)&uap->msg->msg_accrightslen, sizeof (int)); | |
813b7cd1 MT |
667 | done: |
668 | if (iov != aiov) | |
669 | FREE(iov, M_IOV); | |
d9c2f47f | 670 | return (error); |
cf012934 | 671 | } |
6d47a3da | 672 | #endif |
cf012934 | 673 | |
2d11c1ff CT |
674 | struct recvmsg_args { |
675 | int s; | |
676 | struct msghdr *msg; | |
677 | int flags; | |
678 | }; | |
85843d69 KM |
679 | recvmsg(p, uap, retval) |
680 | struct proc *p; | |
2d11c1ff | 681 | register struct recvmsg_args *uap; |
85843d69 KM |
682 | int *retval; |
683 | { | |
88a7a62a | 684 | struct msghdr msg; |
813b7cd1 | 685 | struct iovec aiov[UIO_SMALLIOV], *uiov, *iov; |
76ffad7c MK |
686 | register int error; |
687 | ||
688 | if (error = copyin((caddr_t)uap->msg, (caddr_t)&msg, sizeof (msg))) | |
d9c2f47f | 689 | return (error); |
813b7cd1 MT |
690 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
691 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 692 | return (EMSGSIZE); |
813b7cd1 MT |
693 | MALLOC(iov, struct iovec *, |
694 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
695 | M_WAITOK); | |
696 | } else | |
697 | iov = aiov; | |
8ffc8876 | 698 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
699 | msg.msg_flags = uap->flags &~ MSG_COMPAT; |
700 | #else | |
6d47a3da | 701 | msg.msg_flags = uap->flags; |
7a22a33c | 702 | #endif |
27f43765 | 703 | uiov = msg.msg_iov; |
813b7cd1 MT |
704 | msg.msg_iov = iov; |
705 | if (error = copyin((caddr_t)uiov, (caddr_t)iov, | |
706 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec)))) | |
707 | goto done; | |
5e00df3b | 708 | if ((error = recvit(p, uap->s, &msg, (caddr_t)0, retval)) == 0) { |
76ffad7c MK |
709 | msg.msg_iov = uiov; |
710 | error = copyout((caddr_t)&msg, (caddr_t)uap->msg, sizeof(msg)); | |
711 | } | |
813b7cd1 MT |
712 | done: |
713 | if (iov != aiov) | |
714 | FREE(iov, M_IOV); | |
d9c2f47f | 715 | return (error); |
cf012934 BJ |
716 | } |
717 | ||
5e00df3b KM |
718 | recvit(p, s, mp, namelenp, retsize) |
719 | register struct proc *p; | |
7a22a33c | 720 | int s; |
88a7a62a | 721 | register struct msghdr *mp; |
7a22a33c | 722 | caddr_t namelenp; |
85843d69 | 723 | int *retsize; |
cf012934 | 724 | { |
5e00df3b | 725 | struct file *fp; |
88a7a62a SL |
726 | struct uio auio; |
727 | register struct iovec *iov; | |
728 | register int i; | |
76ffad7c | 729 | int len, error; |
7a22a33c | 730 | struct mbuf *from = 0, *control = 0; |
813b7cd1 MT |
731 | #ifdef KTRACE |
732 | struct iovec *ktriov = NULL; | |
733 | #endif | |
88a7a62a | 734 | |
5e00df3b | 735 | if (error = getsock(p->p_fd, s, &fp)) |
76ffad7c | 736 | return (error); |
88a7a62a SL |
737 | auio.uio_iov = mp->msg_iov; |
738 | auio.uio_iovcnt = mp->msg_iovlen; | |
c41770c0 | 739 | auio.uio_segflg = UIO_USERSPACE; |
c4ec2128 | 740 | auio.uio_rw = UIO_READ; |
994fd74e | 741 | auio.uio_procp = p; |
88a7a62a SL |
742 | auio.uio_offset = 0; /* XXX */ |
743 | auio.uio_resid = 0; | |
744 | iov = mp->msg_iov; | |
125c8f95 | 745 | for (i = 0; i < mp->msg_iovlen; i++, iov++) { |
76ffad7c MK |
746 | if (iov->iov_len < 0) |
747 | return (EINVAL); | |
7a22a33c MK |
748 | if ((auio.uio_resid += iov->iov_len) < 0) |
749 | return (EINVAL); | |
88a7a62a | 750 | } |
813b7cd1 | 751 | #ifdef KTRACE |
5e00df3b | 752 | if (KTRPOINT(p, KTR_GENIO)) { |
813b7cd1 MT |
753 | int iovlen = auio.uio_iovcnt * sizeof (struct iovec); |
754 | ||
755 | MALLOC(ktriov, struct iovec *, iovlen, M_TEMP, M_WAITOK); | |
756 | bcopy((caddr_t)auio.uio_iov, (caddr_t)ktriov, iovlen); | |
757 | } | |
758 | #endif | |
88a7a62a | 759 | len = auio.uio_resid; |
76ffad7c | 760 | if (error = soreceive((struct socket *)fp->f_data, &from, &auio, |
7a22a33c | 761 | (struct mbuf **)0, &control, &mp->msg_flags)) { |
76ffad7c MK |
762 | if (auio.uio_resid != len && (error == ERESTART || |
763 | error == EINTR || error == EWOULDBLOCK)) | |
764 | error = 0; | |
765 | } | |
813b7cd1 MT |
766 | #ifdef KTRACE |
767 | if (ktriov != NULL) { | |
768 | if (error == 0) | |
5e00df3b | 769 | ktrgenio(p->p_tracep, s, UIO_READ, |
81ba99b6 | 770 | ktriov, len - auio.uio_resid, error); |
813b7cd1 MT |
771 | FREE(ktriov, M_TEMP); |
772 | } | |
773 | #endif | |
76ffad7c MK |
774 | if (error) |
775 | goto out; | |
85843d69 | 776 | *retsize = len - auio.uio_resid; |
88a7a62a SL |
777 | if (mp->msg_name) { |
778 | len = mp->msg_namelen; | |
779 | if (len <= 0 || from == 0) | |
780 | len = 0; | |
781 | else { | |
8ffc8876 | 782 | #ifdef COMPAT_OLDSOCK |
7a22a33c | 783 | if (mp->msg_flags & MSG_COMPAT) |
f4d2893a MK |
784 | mtod(from, struct osockaddr *)->sa_family = |
785 | mtod(from, struct sockaddr *)->sa_family; | |
786 | #endif | |
7a22a33c | 787 | if (len > from->m_len) |
88a7a62a | 788 | len = from->m_len; |
7a22a33c MK |
789 | /* else if len < from->m_len ??? */ |
790 | if (error = copyout(mtod(from, caddr_t), | |
791 | (caddr_t)mp->msg_name, (unsigned)len)) | |
792 | goto out; | |
88a7a62a | 793 | } |
a2aebb63 | 794 | mp->msg_namelen = len; |
7a22a33c MK |
795 | if (namelenp && |
796 | (error = copyout((caddr_t)&len, namelenp, sizeof (int)))) { | |
8ffc8876 | 797 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
798 | if (mp->msg_flags & MSG_COMPAT) |
799 | error = 0; /* old recvfrom didn't check */ | |
800 | else | |
801 | #endif | |
802 | goto out; | |
88a7a62a | 803 | } |
6d47a3da MK |
804 | } |
805 | if (mp->msg_control) { | |
8ffc8876 | 806 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
807 | /* |
808 | * We assume that old recvmsg calls won't receive access | |
809 | * rights and other control info, esp. as control info | |
810 | * is always optional and those options didn't exist in 4.3. | |
811 | * If we receive rights, trim the cmsghdr; anything else | |
812 | * is tossed. | |
813 | */ | |
814 | if (control && mp->msg_flags & MSG_COMPAT) { | |
815 | if (mtod(control, struct cmsghdr *)->cmsg_level != | |
816 | SOL_SOCKET || | |
817 | mtod(control, struct cmsghdr *)->cmsg_type != | |
818 | SCM_RIGHTS) { | |
819 | mp->msg_controllen = 0; | |
820 | goto out; | |
27f43765 | 821 | } |
7a22a33c MK |
822 | control->m_len -= sizeof (struct cmsghdr); |
823 | control->m_data += sizeof (struct cmsghdr); | |
27f43765 | 824 | } |
7a22a33c | 825 | #endif |
6d47a3da MK |
826 | len = mp->msg_controllen; |
827 | if (len <= 0 || control == 0) | |
828 | len = 0; | |
829 | else { | |
830 | if (len >= control->m_len) | |
831 | len = control->m_len; | |
832 | else | |
833 | mp->msg_flags |= MSG_CTRUNC; | |
7a22a33c | 834 | error = copyout((caddr_t)mtod(control, caddr_t), |
6d47a3da MK |
835 | (caddr_t)mp->msg_control, (unsigned)len); |
836 | } | |
a2aebb63 | 837 | mp->msg_controllen = len; |
88a7a62a | 838 | } |
76ffad7c | 839 | out: |
88a7a62a SL |
840 | if (from) |
841 | m_freem(from); | |
6d47a3da MK |
842 | if (control) |
843 | m_freem(control); | |
76ffad7c | 844 | return (error); |
cf012934 BJ |
845 | } |
846 | ||
2d11c1ff CT |
847 | struct shutdown_args { |
848 | int s; | |
849 | int how; | |
850 | }; | |
85843d69 KM |
851 | /* ARGSUSED */ |
852 | shutdown(p, uap, retval) | |
853 | struct proc *p; | |
2d11c1ff | 854 | register struct shutdown_args *uap; |
85843d69 KM |
855 | int *retval; |
856 | { | |
6ef233bf | 857 | struct file *fp; |
76ffad7c | 858 | int error; |
cf012934 | 859 | |
5e00df3b | 860 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f MK |
861 | return (error); |
862 | return (soshutdown((struct socket *)fp->f_data, uap->how)); | |
cf012934 BJ |
863 | } |
864 | ||
2d11c1ff CT |
865 | struct setsockopt_args { |
866 | int s; | |
867 | int level; | |
868 | int name; | |
869 | caddr_t val; | |
870 | int valsize; | |
871 | }; | |
85843d69 KM |
872 | /* ARGSUSED */ |
873 | setsockopt(p, uap, retval) | |
874 | struct proc *p; | |
2d11c1ff | 875 | register struct setsockopt_args *uap; |
85843d69 KM |
876 | int *retval; |
877 | { | |
66f52238 | 878 | struct file *fp; |
d2cba8de | 879 | struct mbuf *m = NULL; |
76ffad7c | 880 | int error; |
66f52238 | 881 | |
5e00df3b | 882 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 883 | return (error); |
76ffad7c | 884 | if (uap->valsize > MLEN) |
d9c2f47f | 885 | return (EINVAL); |
d2cba8de SL |
886 | if (uap->val) { |
887 | m = m_get(M_WAIT, MT_SOOPTS); | |
76ffad7c | 888 | if (m == NULL) |
d9c2f47f | 889 | return (ENOBUFS); |
76ffad7c MK |
890 | if (error = copyin(uap->val, mtod(m, caddr_t), |
891 | (u_int)uap->valsize)) { | |
61ec2127 | 892 | (void) m_free(m); |
d9c2f47f | 893 | return (error); |
61ec2127 | 894 | } |
d2cba8de | 895 | m->m_len = uap->valsize; |
66f52238 | 896 | } |
d9c2f47f | 897 | return (sosetopt((struct socket *)fp->f_data, uap->level, |
76ffad7c | 898 | uap->name, m)); |
66f52238 SL |
899 | } |
900 | ||
2d11c1ff CT |
901 | struct getsockopt_args { |
902 | int s; | |
903 | int level; | |
904 | int name; | |
905 | caddr_t val; | |
906 | int *avalsize; | |
907 | }; | |
85843d69 KM |
908 | /* ARGSUSED */ |
909 | getsockopt(p, uap, retval) | |
910 | struct proc *p; | |
2d11c1ff | 911 | register struct getsockopt_args *uap; |
85843d69 KM |
912 | int *retval; |
913 | { | |
66f52238 | 914 | struct file *fp; |
d2cba8de | 915 | struct mbuf *m = NULL; |
76ffad7c | 916 | int valsize, error; |
66f52238 | 917 | |
5e00df3b | 918 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 919 | return (error); |
d2cba8de | 920 | if (uap->val) { |
76ffad7c MK |
921 | if (error = copyin((caddr_t)uap->avalsize, (caddr_t)&valsize, |
922 | sizeof (valsize))) | |
d9c2f47f | 923 | return (error); |
61ec2127 SL |
924 | } else |
925 | valsize = 0; | |
76ffad7c MK |
926 | if ((error = sogetopt((struct socket *)fp->f_data, uap->level, |
927 | uap->name, &m)) == 0 && uap->val && valsize && m != NULL) { | |
d2cba8de SL |
928 | if (valsize > m->m_len) |
929 | valsize = m->m_len; | |
76ffad7c MK |
930 | error = copyout(mtod(m, caddr_t), uap->val, (u_int)valsize); |
931 | if (error == 0) | |
932 | error = copyout((caddr_t)&valsize, | |
933 | (caddr_t)uap->avalsize, sizeof (valsize)); | |
d2cba8de | 934 | } |
d2cba8de SL |
935 | if (m != NULL) |
936 | (void) m_free(m); | |
d9c2f47f | 937 | return (error); |
66f52238 SL |
938 | } |
939 | ||
2d11c1ff CT |
940 | struct pipe_args { |
941 | int dummy; | |
942 | }; | |
85843d69 KM |
943 | /* ARGSUSED */ |
944 | pipe(p, uap, retval) | |
945 | struct proc *p; | |
2d11c1ff | 946 | struct pipe_args *uap; |
85843d69 | 947 | int retval[]; |
cf012934 | 948 | { |
5e00df3b | 949 | register struct filedesc *fdp = p->p_fd; |
0c9a45f0 | 950 | struct file *rf, *wf; |
cf012934 | 951 | struct socket *rso, *wso; |
76ffad7c | 952 | int fd, error; |
cf012934 | 953 | |
76ffad7c | 954 | if (error = socreate(AF_UNIX, &rso, SOCK_STREAM, 0)) |
d9c2f47f | 955 | return (error); |
76ffad7c | 956 | if (error = socreate(AF_UNIX, &wso, SOCK_STREAM, 0)) |
b242cf10 | 957 | goto free1; |
5e00df3b | 958 | if (error = falloc(p, &rf, &fd)) |
cf012934 | 959 | goto free2; |
85843d69 | 960 | retval[0] = fd; |
cf012934 BJ |
961 | rf->f_flag = FREAD; |
962 | rf->f_type = DTYPE_SOCKET; | |
88a7a62a SL |
963 | rf->f_ops = &socketops; |
964 | rf->f_data = (caddr_t)rso; | |
5e00df3b | 965 | if (error = falloc(p, &wf, &fd)) |
cf012934 BJ |
966 | goto free3; |
967 | wf->f_flag = FWRITE; | |
968 | wf->f_type = DTYPE_SOCKET; | |
88a7a62a SL |
969 | wf->f_ops = &socketops; |
970 | wf->f_data = (caddr_t)wso; | |
85843d69 | 971 | retval[1] = fd; |
76ffad7c | 972 | if (error = unp_connect2(wso, rso)) |
cf012934 | 973 | goto free4; |
d9c2f47f | 974 | return (0); |
cf012934 | 975 | free4: |
336f999d | 976 | ffree(wf); |
994fd74e | 977 | fdp->fd_ofiles[retval[1]] = 0; |
cf012934 | 978 | free3: |
336f999d | 979 | ffree(rf); |
994fd74e | 980 | fdp->fd_ofiles[retval[0]] = 0; |
cf012934 | 981 | free2: |
8011f5df | 982 | (void)soclose(wso); |
b242cf10 | 983 | free1: |
8011f5df | 984 | (void)soclose(rso); |
d9c2f47f | 985 | return (error); |
cc15ab5d | 986 | } |
a3076b07 BJ |
987 | |
988 | /* | |
70f2eac5 | 989 | * Get socket name. |
a3076b07 | 990 | */ |
2d11c1ff CT |
991 | struct getsockname_args { |
992 | int fdes; | |
993 | caddr_t asa; | |
994 | int *alen; | |
995 | #ifdef COMPAT_OLDSOCK | |
996 | int compat_43; /* pseudo */ | |
997 | #endif | |
998 | }; | |
8ffc8876 | 999 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
1000 | getsockname(p, uap, retval) |
1001 | struct proc *p; | |
2d11c1ff | 1002 | struct getsockname_args *uap; |
85843d69 KM |
1003 | int *retval; |
1004 | { | |
76ffad7c | 1005 | |
85843d69 | 1006 | uap->compat_43 = 0; |
d9c2f47f | 1007 | return (getsockname1(p, uap, retval)); |
f4d2893a MK |
1008 | } |
1009 | ||
85843d69 KM |
1010 | ogetsockname(p, uap, retval) |
1011 | struct proc *p; | |
2d11c1ff | 1012 | struct getsockname_args *uap; |
85843d69 KM |
1013 | int *retval; |
1014 | { | |
76ffad7c | 1015 | |
85843d69 | 1016 | uap->compat_43 = 1; |
d9c2f47f | 1017 | return (getsockname1(p, uap, retval)); |
f4d2893a | 1018 | } |
8ffc8876 | 1019 | #else /* COMPAT_OLDSOCK */ |
f4d2893a | 1020 | |
76ffad7c | 1021 | #define getsockname1 getsockname |
f4d2893a | 1022 | #endif |
76ffad7c | 1023 | |
85843d69 KM |
1024 | /* ARGSUSED */ |
1025 | getsockname1(p, uap, retval) | |
1026 | struct proc *p; | |
2d11c1ff | 1027 | register struct getsockname_args *uap; |
85843d69 KM |
1028 | int *retval; |
1029 | { | |
5e00df3b | 1030 | struct file *fp; |
05d69517 | 1031 | register struct socket *so; |
cf012934 | 1032 | struct mbuf *m; |
76ffad7c | 1033 | int len, error; |
a3076b07 | 1034 | |
5e00df3b | 1035 | if (error = getsock(p->p_fd, uap->fdes, &fp)) |
d9c2f47f | 1036 | return (error); |
76ffad7c | 1037 | if (error = copyin((caddr_t)uap->alen, (caddr_t)&len, sizeof (len))) |
d9c2f47f | 1038 | return (error); |
88a7a62a | 1039 | so = (struct socket *)fp->f_data; |
cce93e4b | 1040 | m = m_getclr(M_WAIT, MT_SONAME); |
76ffad7c | 1041 | if (m == NULL) |
d9c2f47f | 1042 | return (ENOBUFS); |
76ffad7c | 1043 | if (error = (*so->so_proto->pr_usrreq)(so, PRU_SOCKADDR, 0, m, 0)) |
70f2eac5 SL |
1044 | goto bad; |
1045 | if (len > m->m_len) | |
1046 | len = m->m_len; | |
8ffc8876 | 1047 | #ifdef COMPAT_OLDSOCK |
76ffad7c | 1048 | if (uap->compat_43) |
f4d2893a MK |
1049 | mtod(m, struct osockaddr *)->sa_family = |
1050 | mtod(m, struct sockaddr *)->sa_family; | |
1051 | #endif | |
76ffad7c MK |
1052 | error = copyout(mtod(m, caddr_t), (caddr_t)uap->asa, (u_int)len); |
1053 | if (error == 0) | |
1054 | error = copyout((caddr_t)&len, (caddr_t)uap->alen, | |
f4d2893a | 1055 | sizeof (len)); |
cf012934 BJ |
1056 | bad: |
1057 | m_freem(m); | |
d9c2f47f | 1058 | return (error); |
cf012934 BJ |
1059 | } |
1060 | ||
f4d2893a MK |
1061 | /* |
1062 | * Get name of peer for connected socket. | |
1063 | */ | |
2d11c1ff CT |
1064 | struct getpeername_args { |
1065 | int fdes; | |
1066 | caddr_t asa; | |
1067 | int *alen; | |
1068 | #ifdef COMPAT_OLDSOCK | |
1069 | int compat_43; /* pseudo */ | |
1070 | #endif | |
1071 | }; | |
1072 | ||
8ffc8876 | 1073 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
1074 | getpeername(p, uap, retval) |
1075 | struct proc *p; | |
2d11c1ff | 1076 | struct getpeername_args *uap; |
85843d69 KM |
1077 | int *retval; |
1078 | { | |
76ffad7c | 1079 | |
85843d69 | 1080 | uap->compat_43 = 0; |
d9c2f47f | 1081 | return (getpeername1(p, uap, retval)); |
6d47a3da | 1082 | } |
6d47a3da | 1083 | |
85843d69 KM |
1084 | ogetpeername(p, uap, retval) |
1085 | struct proc *p; | |
2d11c1ff | 1086 | struct getpeername_args *uap; |
85843d69 KM |
1087 | int *retval; |
1088 | { | |
76ffad7c | 1089 | |
85843d69 | 1090 | uap->compat_43 = 1; |
d9c2f47f | 1091 | return (getpeername1(p, uap, retval)); |
f4d2893a | 1092 | } |
8ffc8876 | 1093 | #else /* COMPAT_OLDSOCK */ |
f4d2893a | 1094 | |
76ffad7c | 1095 | #define getpeername1 getpeername |
f4d2893a | 1096 | #endif |
76ffad7c | 1097 | |
85843d69 KM |
1098 | /* ARGSUSED */ |
1099 | getpeername1(p, uap, retval) | |
1100 | struct proc *p; | |
2d11c1ff | 1101 | register struct getpeername_args *uap; |
85843d69 KM |
1102 | int *retval; |
1103 | { | |
5e00df3b | 1104 | struct file *fp; |
a7343092 SL |
1105 | register struct socket *so; |
1106 | struct mbuf *m; | |
76ffad7c | 1107 | int len, error; |
a7343092 | 1108 | |
5e00df3b | 1109 | if (error = getsock(p->p_fd, uap->fdes, &fp)) |
d9c2f47f | 1110 | return (error); |
a7343092 | 1111 | so = (struct socket *)fp->f_data; |
76ffad7c | 1112 | if ((so->so_state & (SS_ISCONNECTED|SS_ISCONFIRMING)) == 0) |
d9c2f47f | 1113 | return (ENOTCONN); |
a7343092 | 1114 | m = m_getclr(M_WAIT, MT_SONAME); |
76ffad7c | 1115 | if (m == NULL) |
d9c2f47f | 1116 | return (ENOBUFS); |
76ffad7c | 1117 | if (error = copyin((caddr_t)uap->alen, (caddr_t)&len, sizeof (len))) |
d9c2f47f | 1118 | return (error); |
76ffad7c | 1119 | if (error = (*so->so_proto->pr_usrreq)(so, PRU_PEERADDR, 0, m, 0)) |
a7343092 SL |
1120 | goto bad; |
1121 | if (len > m->m_len) | |
1122 | len = m->m_len; | |
8ffc8876 | 1123 | #ifdef COMPAT_OLDSOCK |
76ffad7c | 1124 | if (uap->compat_43) |
f4d2893a MK |
1125 | mtod(m, struct osockaddr *)->sa_family = |
1126 | mtod(m, struct sockaddr *)->sa_family; | |
1127 | #endif | |
76ffad7c | 1128 | if (error = copyout(mtod(m, caddr_t), (caddr_t)uap->asa, (u_int)len)) |
a7343092 | 1129 | goto bad; |
76ffad7c | 1130 | error = copyout((caddr_t)&len, (caddr_t)uap->alen, sizeof (len)); |
a7343092 SL |
1131 | bad: |
1132 | m_freem(m); | |
d9c2f47f | 1133 | return (error); |
a7343092 SL |
1134 | } |
1135 | ||
7a22a33c MK |
1136 | sockargs(mp, buf, buflen, type) |
1137 | struct mbuf **mp; | |
1138 | caddr_t buf; | |
1139 | int buflen, type; | |
cf012934 | 1140 | { |
1d123e2b | 1141 | register struct sockaddr *sa; |
cf012934 | 1142 | register struct mbuf *m; |
127f7d76 | 1143 | int error; |
cf012934 | 1144 | |
7a22a33c | 1145 | if ((u_int)buflen > MLEN) { |
8ffc8876 | 1146 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
1147 | if (type == MT_SONAME && (u_int)buflen <= 112) |
1148 | buflen = MLEN; /* unix domain compat. hack */ | |
3eb6310a MK |
1149 | else |
1150 | #endif | |
cf012934 | 1151 | return (EINVAL); |
3eb6310a | 1152 | } |
98447d3f | 1153 | m = m_get(M_WAIT, type); |
7c52d753 SL |
1154 | if (m == NULL) |
1155 | return (ENOBUFS); | |
7a22a33c MK |
1156 | m->m_len = buflen; |
1157 | error = copyin(buf, mtod(m, caddr_t), (u_int)buflen); | |
127f7d76 | 1158 | if (error) |
cf012934 | 1159 | (void) m_free(m); |
1d123e2b | 1160 | else { |
7a22a33c | 1161 | *mp = m; |
1d123e2b KB |
1162 | if (type == MT_SONAME) { |
1163 | sa = mtod(m, struct sockaddr *); | |
76ffad7c | 1164 | |
8ffc8876 | 1165 | #if defined(COMPAT_OLDSOCK) && BYTE_ORDER != BIG_ENDIAN |
1d123e2b KB |
1166 | if (sa->sa_family == 0 && sa->sa_len < AF_MAX) |
1167 | sa->sa_family = sa->sa_len; | |
f4d2893a | 1168 | #endif |
1d123e2b KB |
1169 | sa->sa_len = buflen; |
1170 | } | |
a2aebb63 | 1171 | } |
127f7d76 | 1172 | return (error); |
cf012934 | 1173 | } |
88a7a62a | 1174 | |
5e00df3b KM |
1175 | getsock(fdp, fdes, fpp) |
1176 | struct filedesc *fdp; | |
1177 | int fdes; | |
1178 | struct file **fpp; | |
88a7a62a SL |
1179 | { |
1180 | register struct file *fp; | |
1181 | ||
8429d022 | 1182 | if ((unsigned)fdes >= fdp->fd_nfiles || |
994fd74e | 1183 | (fp = fdp->fd_ofiles[fdes]) == NULL) |
5e00df3b KM |
1184 | return (EBADF); |
1185 | if (fp->f_type != DTYPE_SOCKET) | |
1186 | return (ENOTSOCK); | |
1187 | *fpp = fp; | |
1188 | return (0); | |
88a7a62a | 1189 | } |