Commit | Line | Data |
---|---|---|
da7c5cc6 | 1 | /* |
da7c5cc6 | 2 | * |
dbf0c423 | 3 | * %sccs.include.redist.c% |
96e6449f | 4 | * |
3d0fe4e3 | 5 | * @(#)uipc_syscalls.c 8.5 (Berkeley) %G% |
da7c5cc6 | 6 | */ |
c8c7dd0e | 7 | |
38a01dbe KB |
8 | #include <sys/param.h> |
9 | #include <sys/filedesc.h> | |
10 | #include <sys/proc.h> | |
11 | #include <sys/file.h> | |
12 | #include <sys/buf.h> | |
13 | #include <sys/malloc.h> | |
14 | #include <sys/mbuf.h> | |
15 | #include <sys/protosw.h> | |
16 | #include <sys/socket.h> | |
17 | #include <sys/socketvar.h> | |
813b7cd1 | 18 | #ifdef KTRACE |
38a01dbe | 19 | #include <sys/ktrace.h> |
813b7cd1 | 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; | |
d1d37d16 | 324 | size_t len; |
2d11c1ff CT |
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; |
c8c7dd0e | 336 | |
88a7a62a SL |
337 | msg.msg_name = uap->to; |
338 | msg.msg_namelen = uap->tolen; | |
339 | msg.msg_iov = &aiov; | |
340 | msg.msg_iovlen = 1; | |
27f43765 | 341 | msg.msg_control = 0; |
8ffc8876 | 342 | #ifdef COMPAT_OLDSOCK |
27f43765 MK |
343 | msg.msg_flags = 0; |
344 | #endif | |
cf012934 BJ |
345 | aiov.iov_base = uap->buf; |
346 | aiov.iov_len = uap->len; | |
5e00df3b | 347 | return (sendit(p, uap->s, &msg, uap->flags, retval)); |
c8c7dd0e BJ |
348 | } |
349 | ||
8ffc8876 | 350 | #ifdef COMPAT_OLDSOCK |
2d11c1ff CT |
351 | struct osend_args { |
352 | int s; | |
353 | caddr_t buf; | |
354 | int len; | |
355 | int flags; | |
356 | }; | |
85843d69 KM |
357 | osend(p, uap, retval) |
358 | struct proc *p; | |
2d11c1ff | 359 | register struct osend_args *uap; |
85843d69 KM |
360 | int *retval; |
361 | { | |
88a7a62a | 362 | struct msghdr msg; |
a6b6f679 | 363 | struct iovec aiov; |
cc15ab5d | 364 | |
88a7a62a SL |
365 | msg.msg_name = 0; |
366 | msg.msg_namelen = 0; | |
367 | msg.msg_iov = &aiov; | |
368 | msg.msg_iovlen = 1; | |
cf012934 BJ |
369 | aiov.iov_base = uap->buf; |
370 | aiov.iov_len = uap->len; | |
6d47a3da | 371 | msg.msg_control = 0; |
27f43765 | 372 | msg.msg_flags = 0; |
5e00df3b | 373 | return (sendit(p, uap->s, &msg, uap->flags, retval)); |
88a7a62a SL |
374 | } |
375 | ||
7a22a33c | 376 | #define MSG_COMPAT 0x8000 |
2d11c1ff CT |
377 | struct osendmsg_args { |
378 | int s; | |
379 | caddr_t msg; | |
380 | int flags; | |
381 | }; | |
85843d69 KM |
382 | osendmsg(p, uap, retval) |
383 | struct proc *p; | |
2d11c1ff | 384 | register struct osendmsg_args *uap; |
85843d69 KM |
385 | int *retval; |
386 | { | |
6d47a3da | 387 | struct msghdr msg; |
813b7cd1 | 388 | struct iovec aiov[UIO_SMALLIOV], *iov; |
76ffad7c | 389 | int error; |
6d47a3da | 390 | |
76ffad7c | 391 | if (error = copyin(uap->msg, (caddr_t)&msg, sizeof (struct omsghdr))) |
d9c2f47f | 392 | return (error); |
813b7cd1 MT |
393 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
394 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 395 | return (EMSGSIZE); |
813b7cd1 MT |
396 | MALLOC(iov, struct iovec *, |
397 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
398 | M_WAITOK); | |
399 | } else | |
400 | iov = aiov; | |
401 | if (error = copyin((caddr_t)msg.msg_iov, (caddr_t)iov, | |
402 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec)))) | |
403 | goto done; | |
7a22a33c | 404 | msg.msg_flags = MSG_COMPAT; |
813b7cd1 | 405 | msg.msg_iov = iov; |
5e00df3b | 406 | error = sendit(p, uap->s, &msg, uap->flags, retval); |
813b7cd1 MT |
407 | done: |
408 | if (iov != aiov) | |
409 | FREE(iov, M_IOV); | |
d9c2f47f | 410 | return (error); |
6d47a3da MK |
411 | } |
412 | #endif | |
413 | ||
2d11c1ff CT |
414 | struct sendmsg_args { |
415 | int s; | |
416 | caddr_t msg; | |
417 | int flags; | |
418 | }; | |
85843d69 KM |
419 | sendmsg(p, uap, retval) |
420 | struct proc *p; | |
2d11c1ff | 421 | register struct sendmsg_args *uap; |
85843d69 KM |
422 | int *retval; |
423 | { | |
88a7a62a | 424 | struct msghdr msg; |
813b7cd1 | 425 | struct iovec aiov[UIO_SMALLIOV], *iov; |
76ffad7c | 426 | int error; |
88a7a62a | 427 | |
76ffad7c | 428 | if (error = copyin(uap->msg, (caddr_t)&msg, sizeof (msg))) |
d9c2f47f | 429 | return (error); |
813b7cd1 MT |
430 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
431 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 432 | return (EMSGSIZE); |
813b7cd1 MT |
433 | MALLOC(iov, struct iovec *, |
434 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
435 | M_WAITOK); | |
436 | } else | |
437 | iov = aiov; | |
3eb6310a | 438 | if (msg.msg_iovlen && |
813b7cd1 MT |
439 | (error = copyin((caddr_t)msg.msg_iov, (caddr_t)iov, |
440 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec))))) | |
441 | goto done; | |
442 | msg.msg_iov = iov; | |
8ffc8876 | 443 | #ifdef COMPAT_OLDSOCK |
27f43765 MK |
444 | msg.msg_flags = 0; |
445 | #endif | |
5e00df3b | 446 | error = sendit(p, uap->s, &msg, uap->flags, retval); |
813b7cd1 MT |
447 | done: |
448 | if (iov != aiov) | |
449 | FREE(iov, M_IOV); | |
d9c2f47f | 450 | return (error); |
88a7a62a SL |
451 | } |
452 | ||
5e00df3b KM |
453 | sendit(p, s, mp, flags, retsize) |
454 | register struct proc *p; | |
88a7a62a SL |
455 | int s; |
456 | register struct msghdr *mp; | |
85843d69 | 457 | int flags, *retsize; |
88a7a62a | 458 | { |
5e00df3b | 459 | struct file *fp; |
88a7a62a SL |
460 | struct uio auio; |
461 | register struct iovec *iov; | |
462 | register int i; | |
27f43765 | 463 | struct mbuf *to, *control; |
76ffad7c | 464 | int len, error; |
813b7cd1 MT |
465 | #ifdef KTRACE |
466 | struct iovec *ktriov = NULL; | |
467 | #endif | |
88a7a62a | 468 | |
5e00df3b | 469 | if (error = getsock(p->p_fd, s, &fp)) |
76ffad7c | 470 | return (error); |
88a7a62a SL |
471 | auio.uio_iov = mp->msg_iov; |
472 | auio.uio_iovcnt = mp->msg_iovlen; | |
c41770c0 | 473 | auio.uio_segflg = UIO_USERSPACE; |
c4ec2128 | 474 | auio.uio_rw = UIO_WRITE; |
994fd74e | 475 | auio.uio_procp = p; |
88a7a62a SL |
476 | auio.uio_offset = 0; /* XXX */ |
477 | auio.uio_resid = 0; | |
478 | iov = mp->msg_iov; | |
125c8f95 | 479 | for (i = 0; i < mp->msg_iovlen; i++, iov++) { |
6d366756 | 480 | if (auio.uio_resid + iov->iov_len < auio.uio_resid) |
7a22a33c | 481 | return (EINVAL); |
6d366756 | 482 | auio.uio_resid += iov->iov_len; |
88a7a62a SL |
483 | } |
484 | if (mp->msg_name) { | |
76ffad7c MK |
485 | if (error = sockargs(&to, mp->msg_name, mp->msg_namelen, |
486 | MT_SONAME)) | |
487 | return (error); | |
88a7a62a SL |
488 | } else |
489 | to = 0; | |
6d47a3da | 490 | if (mp->msg_control) { |
7a22a33c | 491 | if (mp->msg_controllen < sizeof(struct cmsghdr) |
8ffc8876 | 492 | #ifdef COMPAT_OLDSOCK |
a7a4c7b9 | 493 | && mp->msg_flags != MSG_COMPAT |
7a22a33c | 494 | #endif |
a7a4c7b9 | 495 | ) { |
7a22a33c MK |
496 | error = EINVAL; |
497 | goto bad; | |
498 | } | |
76ffad7c MK |
499 | if (error = sockargs(&control, mp->msg_control, |
500 | mp->msg_controllen, MT_CONTROL)) | |
6d47a3da | 501 | goto bad; |
8ffc8876 | 502 | #ifdef COMPAT_OLDSOCK |
7a22a33c | 503 | if (mp->msg_flags == MSG_COMPAT) { |
27f43765 | 504 | register struct cmsghdr *cm; |
76ffad7c | 505 | |
27f43765 | 506 | M_PREPEND(control, sizeof(*cm), M_WAIT); |
76ffad7c MK |
507 | if (control == 0) { |
508 | error = ENOBUFS; | |
509 | goto bad; | |
510 | } else { | |
27f43765 MK |
511 | cm = mtod(control, struct cmsghdr *); |
512 | cm->cmsg_len = control->m_len; | |
513 | cm->cmsg_level = SOL_SOCKET; | |
514 | cm->cmsg_type = SCM_RIGHTS; | |
515 | } | |
516 | } | |
517 | #endif | |
6d47a3da MK |
518 | } else |
519 | control = 0; | |
813b7cd1 | 520 | #ifdef KTRACE |
5e00df3b | 521 | if (KTRPOINT(p, KTR_GENIO)) { |
813b7cd1 MT |
522 | int iovlen = auio.uio_iovcnt * sizeof (struct iovec); |
523 | ||
524 | MALLOC(ktriov, struct iovec *, iovlen, M_TEMP, M_WAITOK); | |
525 | bcopy((caddr_t)auio.uio_iov, (caddr_t)ktriov, iovlen); | |
526 | } | |
527 | #endif | |
88a7a62a | 528 | len = auio.uio_resid; |
76ffad7c | 529 | if (error = sosend((struct socket *)fp->f_data, to, &auio, |
7a22a33c | 530 | (struct mbuf *)0, control, flags)) { |
76ffad7c MK |
531 | if (auio.uio_resid != len && (error == ERESTART || |
532 | error == EINTR || error == EWOULDBLOCK)) | |
533 | error = 0; | |
534 | if (error == EPIPE) | |
5e00df3b | 535 | psignal(p, SIGPIPE); |
813b7cd1 MT |
536 | } |
537 | if (error == 0) | |
85843d69 | 538 | *retsize = len - auio.uio_resid; |
813b7cd1 MT |
539 | #ifdef KTRACE |
540 | if (ktriov != NULL) { | |
541 | if (error == 0) | |
5e00df3b | 542 | ktrgenio(p->p_tracep, s, UIO_WRITE, |
81ba99b6 | 543 | ktriov, *retsize, error); |
813b7cd1 MT |
544 | FREE(ktriov, M_TEMP); |
545 | } | |
546 | #endif | |
6d47a3da | 547 | bad: |
88a7a62a SL |
548 | if (to) |
549 | m_freem(to); | |
76ffad7c | 550 | return (error); |
cf012934 BJ |
551 | } |
552 | ||
2d11c1ff CT |
553 | struct recvfrom_args { |
554 | int s; | |
555 | caddr_t buf; | |
d1d37d16 | 556 | size_t len; |
2d11c1ff CT |
557 | int flags; |
558 | caddr_t from; | |
559 | int *fromlenaddr; | |
560 | }; | |
561 | ||
8ffc8876 | 562 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
563 | orecvfrom(p, uap, retval) |
564 | struct proc *p; | |
2d11c1ff | 565 | struct recvfrom_args *uap; |
85843d69 KM |
566 | int *retval; |
567 | { | |
76ffad7c | 568 | |
85843d69 | 569 | uap->flags |= MSG_COMPAT; |
d9c2f47f | 570 | return (recvfrom(p, uap, retval)); |
f4d2893a | 571 | } |
f4d2893a | 572 | #endif |
76ffad7c | 573 | |
85843d69 KM |
574 | recvfrom(p, uap, retval) |
575 | struct proc *p; | |
2d11c1ff | 576 | register struct recvfrom_args *uap; |
85843d69 KM |
577 | int *retval; |
578 | { | |
88a7a62a | 579 | struct msghdr msg; |
cf012934 | 580 | struct iovec aiov; |
7a22a33c | 581 | int error; |
cf012934 | 582 | |
6d47a3da | 583 | if (uap->fromlenaddr) { |
7a22a33c MK |
584 | if (error = copyin((caddr_t)uap->fromlenaddr, |
585 | (caddr_t)&msg.msg_namelen, sizeof (msg.msg_namelen))) | |
d9c2f47f | 586 | return (error); |
6d47a3da | 587 | } else |
7a22a33c | 588 | msg.msg_namelen = 0; |
88a7a62a | 589 | msg.msg_name = uap->from; |
88a7a62a SL |
590 | msg.msg_iov = &aiov; |
591 | msg.msg_iovlen = 1; | |
cf012934 BJ |
592 | aiov.iov_base = uap->buf; |
593 | aiov.iov_len = uap->len; | |
6d47a3da | 594 | msg.msg_control = 0; |
813b7cd1 | 595 | msg.msg_flags = uap->flags; |
5e00df3b | 596 | return (recvit(p, uap->s, &msg, (caddr_t)uap->fromlenaddr, retval)); |
cf012934 | 597 | } |
76ffad7c | 598 | |
8ffc8876 | 599 | #ifdef COMPAT_OLDSOCK |
2d11c1ff CT |
600 | struct orecv_args { |
601 | int s; | |
602 | caddr_t buf; | |
603 | int len; | |
604 | int flags; | |
605 | }; | |
85843d69 KM |
606 | orecv(p, uap, retval) |
607 | struct proc *p; | |
2d11c1ff | 608 | register struct orecv_args *uap; |
85843d69 KM |
609 | int *retval; |
610 | { | |
88a7a62a | 611 | struct msghdr msg; |
cf012934 BJ |
612 | struct iovec aiov; |
613 | ||
88a7a62a SL |
614 | msg.msg_name = 0; |
615 | msg.msg_namelen = 0; | |
616 | msg.msg_iov = &aiov; | |
617 | msg.msg_iovlen = 1; | |
cf012934 BJ |
618 | aiov.iov_base = uap->buf; |
619 | aiov.iov_len = uap->len; | |
6d47a3da MK |
620 | msg.msg_control = 0; |
621 | msg.msg_flags = uap->flags; | |
5e00df3b | 622 | return (recvit(p, uap->s, &msg, (caddr_t)0, retval)); |
6d47a3da MK |
623 | } |
624 | ||
7a22a33c MK |
625 | /* |
626 | * Old recvmsg. This code takes advantage of the fact that the old msghdr | |
627 | * overlays the new one, missing only the flags, and with the (old) access | |
628 | * rights where the control fields are now. | |
629 | */ | |
2d11c1ff CT |
630 | struct orecvmsg_args { |
631 | int s; | |
632 | struct omsghdr *msg; | |
633 | int flags; | |
634 | }; | |
85843d69 KM |
635 | orecvmsg(p, uap, retval) |
636 | struct proc *p; | |
2d11c1ff | 637 | register struct orecvmsg_args *uap; |
85843d69 KM |
638 | int *retval; |
639 | { | |
6d47a3da | 640 | struct msghdr msg; |
813b7cd1 | 641 | struct iovec aiov[UIO_SMALLIOV], *iov; |
76ffad7c | 642 | int error; |
6d47a3da | 643 | |
76ffad7c MK |
644 | if (error = copyin((caddr_t)uap->msg, (caddr_t)&msg, |
645 | sizeof (struct omsghdr))) | |
d9c2f47f | 646 | return (error); |
813b7cd1 MT |
647 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
648 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 649 | return (EMSGSIZE); |
813b7cd1 MT |
650 | MALLOC(iov, struct iovec *, |
651 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
652 | M_WAITOK); | |
653 | } else | |
654 | iov = aiov; | |
7a22a33c | 655 | msg.msg_flags = uap->flags | MSG_COMPAT; |
813b7cd1 MT |
656 | if (error = copyin((caddr_t)msg.msg_iov, (caddr_t)iov, |
657 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec)))) | |
658 | goto done; | |
659 | msg.msg_iov = iov; | |
5e00df3b | 660 | error = recvit(p, uap->s, &msg, (caddr_t)&uap->msg->msg_namelen, retval); |
7a22a33c MK |
661 | |
662 | if (msg.msg_controllen && error == 0) | |
663 | error = copyout((caddr_t)&msg.msg_controllen, | |
664 | (caddr_t)&uap->msg->msg_accrightslen, sizeof (int)); | |
813b7cd1 MT |
665 | done: |
666 | if (iov != aiov) | |
667 | FREE(iov, M_IOV); | |
d9c2f47f | 668 | return (error); |
cf012934 | 669 | } |
6d47a3da | 670 | #endif |
cf012934 | 671 | |
2d11c1ff CT |
672 | struct recvmsg_args { |
673 | int s; | |
674 | struct msghdr *msg; | |
675 | int flags; | |
676 | }; | |
85843d69 KM |
677 | recvmsg(p, uap, retval) |
678 | struct proc *p; | |
2d11c1ff | 679 | register struct recvmsg_args *uap; |
85843d69 KM |
680 | int *retval; |
681 | { | |
88a7a62a | 682 | struct msghdr msg; |
813b7cd1 | 683 | struct iovec aiov[UIO_SMALLIOV], *uiov, *iov; |
76ffad7c MK |
684 | register int error; |
685 | ||
686 | if (error = copyin((caddr_t)uap->msg, (caddr_t)&msg, sizeof (msg))) | |
d9c2f47f | 687 | return (error); |
813b7cd1 MT |
688 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
689 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 690 | return (EMSGSIZE); |
813b7cd1 MT |
691 | MALLOC(iov, struct iovec *, |
692 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
693 | M_WAITOK); | |
694 | } else | |
695 | iov = aiov; | |
8ffc8876 | 696 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
697 | msg.msg_flags = uap->flags &~ MSG_COMPAT; |
698 | #else | |
6d47a3da | 699 | msg.msg_flags = uap->flags; |
7a22a33c | 700 | #endif |
27f43765 | 701 | uiov = msg.msg_iov; |
813b7cd1 MT |
702 | msg.msg_iov = iov; |
703 | if (error = copyin((caddr_t)uiov, (caddr_t)iov, | |
704 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec)))) | |
705 | goto done; | |
5e00df3b | 706 | if ((error = recvit(p, uap->s, &msg, (caddr_t)0, retval)) == 0) { |
76ffad7c MK |
707 | msg.msg_iov = uiov; |
708 | error = copyout((caddr_t)&msg, (caddr_t)uap->msg, sizeof(msg)); | |
709 | } | |
813b7cd1 MT |
710 | done: |
711 | if (iov != aiov) | |
712 | FREE(iov, M_IOV); | |
d9c2f47f | 713 | return (error); |
cf012934 BJ |
714 | } |
715 | ||
5e00df3b KM |
716 | recvit(p, s, mp, namelenp, retsize) |
717 | register struct proc *p; | |
7a22a33c | 718 | int s; |
88a7a62a | 719 | register struct msghdr *mp; |
7a22a33c | 720 | caddr_t namelenp; |
85843d69 | 721 | int *retsize; |
cf012934 | 722 | { |
5e00df3b | 723 | struct file *fp; |
88a7a62a SL |
724 | struct uio auio; |
725 | register struct iovec *iov; | |
726 | register int i; | |
76ffad7c | 727 | int len, error; |
7a22a33c | 728 | struct mbuf *from = 0, *control = 0; |
813b7cd1 MT |
729 | #ifdef KTRACE |
730 | struct iovec *ktriov = NULL; | |
731 | #endif | |
88a7a62a | 732 | |
5e00df3b | 733 | if (error = getsock(p->p_fd, s, &fp)) |
76ffad7c | 734 | return (error); |
88a7a62a SL |
735 | auio.uio_iov = mp->msg_iov; |
736 | auio.uio_iovcnt = mp->msg_iovlen; | |
c41770c0 | 737 | auio.uio_segflg = UIO_USERSPACE; |
c4ec2128 | 738 | auio.uio_rw = UIO_READ; |
994fd74e | 739 | auio.uio_procp = p; |
88a7a62a SL |
740 | auio.uio_offset = 0; /* XXX */ |
741 | auio.uio_resid = 0; | |
742 | iov = mp->msg_iov; | |
125c8f95 | 743 | for (i = 0; i < mp->msg_iovlen; i++, iov++) { |
6d366756 | 744 | if (auio.uio_resid + iov->iov_len < auio.uio_resid) |
7a22a33c | 745 | return (EINVAL); |
6d366756 | 746 | auio.uio_resid += iov->iov_len; |
88a7a62a | 747 | } |
813b7cd1 | 748 | #ifdef KTRACE |
5e00df3b | 749 | if (KTRPOINT(p, KTR_GENIO)) { |
813b7cd1 MT |
750 | int iovlen = auio.uio_iovcnt * sizeof (struct iovec); |
751 | ||
752 | MALLOC(ktriov, struct iovec *, iovlen, M_TEMP, M_WAITOK); | |
753 | bcopy((caddr_t)auio.uio_iov, (caddr_t)ktriov, iovlen); | |
754 | } | |
755 | #endif | |
88a7a62a | 756 | len = auio.uio_resid; |
76ffad7c | 757 | if (error = soreceive((struct socket *)fp->f_data, &from, &auio, |
34827683 KM |
758 | (struct mbuf **)0, mp->msg_control ? &control : (struct mbuf **)0, |
759 | &mp->msg_flags)) { | |
76ffad7c MK |
760 | if (auio.uio_resid != len && (error == ERESTART || |
761 | error == EINTR || error == EWOULDBLOCK)) | |
762 | error = 0; | |
763 | } | |
813b7cd1 MT |
764 | #ifdef KTRACE |
765 | if (ktriov != NULL) { | |
766 | if (error == 0) | |
5e00df3b | 767 | ktrgenio(p->p_tracep, s, UIO_READ, |
81ba99b6 | 768 | ktriov, len - auio.uio_resid, error); |
813b7cd1 MT |
769 | FREE(ktriov, M_TEMP); |
770 | } | |
771 | #endif | |
76ffad7c MK |
772 | if (error) |
773 | goto out; | |
85843d69 | 774 | *retsize = len - auio.uio_resid; |
88a7a62a SL |
775 | if (mp->msg_name) { |
776 | len = mp->msg_namelen; | |
777 | if (len <= 0 || from == 0) | |
778 | len = 0; | |
779 | else { | |
8ffc8876 | 780 | #ifdef COMPAT_OLDSOCK |
7a22a33c | 781 | if (mp->msg_flags & MSG_COMPAT) |
f4d2893a MK |
782 | mtod(from, struct osockaddr *)->sa_family = |
783 | mtod(from, struct sockaddr *)->sa_family; | |
784 | #endif | |
7a22a33c | 785 | if (len > from->m_len) |
88a7a62a | 786 | len = from->m_len; |
7a22a33c MK |
787 | /* else if len < from->m_len ??? */ |
788 | if (error = copyout(mtod(from, caddr_t), | |
789 | (caddr_t)mp->msg_name, (unsigned)len)) | |
790 | goto out; | |
88a7a62a | 791 | } |
a2aebb63 | 792 | mp->msg_namelen = len; |
7a22a33c MK |
793 | if (namelenp && |
794 | (error = copyout((caddr_t)&len, namelenp, sizeof (int)))) { | |
8ffc8876 | 795 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
796 | if (mp->msg_flags & MSG_COMPAT) |
797 | error = 0; /* old recvfrom didn't check */ | |
798 | else | |
799 | #endif | |
800 | goto out; | |
88a7a62a | 801 | } |
6d47a3da MK |
802 | } |
803 | if (mp->msg_control) { | |
8ffc8876 | 804 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
805 | /* |
806 | * We assume that old recvmsg calls won't receive access | |
807 | * rights and other control info, esp. as control info | |
808 | * is always optional and those options didn't exist in 4.3. | |
809 | * If we receive rights, trim the cmsghdr; anything else | |
810 | * is tossed. | |
811 | */ | |
812 | if (control && mp->msg_flags & MSG_COMPAT) { | |
813 | if (mtod(control, struct cmsghdr *)->cmsg_level != | |
814 | SOL_SOCKET || | |
815 | mtod(control, struct cmsghdr *)->cmsg_type != | |
816 | SCM_RIGHTS) { | |
817 | mp->msg_controllen = 0; | |
818 | goto out; | |
27f43765 | 819 | } |
7a22a33c MK |
820 | control->m_len -= sizeof (struct cmsghdr); |
821 | control->m_data += sizeof (struct cmsghdr); | |
27f43765 | 822 | } |
7a22a33c | 823 | #endif |
6d47a3da MK |
824 | len = mp->msg_controllen; |
825 | if (len <= 0 || control == 0) | |
826 | len = 0; | |
827 | else { | |
828 | if (len >= control->m_len) | |
829 | len = control->m_len; | |
830 | else | |
831 | mp->msg_flags |= MSG_CTRUNC; | |
7a22a33c | 832 | error = copyout((caddr_t)mtod(control, caddr_t), |
6d47a3da MK |
833 | (caddr_t)mp->msg_control, (unsigned)len); |
834 | } | |
a2aebb63 | 835 | mp->msg_controllen = len; |
88a7a62a | 836 | } |
76ffad7c | 837 | out: |
88a7a62a SL |
838 | if (from) |
839 | m_freem(from); | |
6d47a3da MK |
840 | if (control) |
841 | m_freem(control); | |
76ffad7c | 842 | return (error); |
cf012934 BJ |
843 | } |
844 | ||
2d11c1ff CT |
845 | struct shutdown_args { |
846 | int s; | |
847 | int how; | |
848 | }; | |
85843d69 KM |
849 | /* ARGSUSED */ |
850 | shutdown(p, uap, retval) | |
851 | struct proc *p; | |
2d11c1ff | 852 | register struct shutdown_args *uap; |
85843d69 KM |
853 | int *retval; |
854 | { | |
6ef233bf | 855 | struct file *fp; |
76ffad7c | 856 | int error; |
cf012934 | 857 | |
5e00df3b | 858 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f MK |
859 | return (error); |
860 | return (soshutdown((struct socket *)fp->f_data, uap->how)); | |
cf012934 BJ |
861 | } |
862 | ||
2d11c1ff CT |
863 | struct setsockopt_args { |
864 | int s; | |
865 | int level; | |
866 | int name; | |
867 | caddr_t val; | |
868 | int valsize; | |
869 | }; | |
85843d69 KM |
870 | /* ARGSUSED */ |
871 | setsockopt(p, uap, retval) | |
872 | struct proc *p; | |
2d11c1ff | 873 | register struct setsockopt_args *uap; |
85843d69 KM |
874 | int *retval; |
875 | { | |
66f52238 | 876 | struct file *fp; |
d2cba8de | 877 | struct mbuf *m = NULL; |
76ffad7c | 878 | int error; |
66f52238 | 879 | |
5e00df3b | 880 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 881 | return (error); |
76ffad7c | 882 | if (uap->valsize > MLEN) |
d9c2f47f | 883 | return (EINVAL); |
d2cba8de SL |
884 | if (uap->val) { |
885 | m = m_get(M_WAIT, MT_SOOPTS); | |
76ffad7c | 886 | if (m == NULL) |
d9c2f47f | 887 | return (ENOBUFS); |
76ffad7c MK |
888 | if (error = copyin(uap->val, mtod(m, caddr_t), |
889 | (u_int)uap->valsize)) { | |
61ec2127 | 890 | (void) m_free(m); |
d9c2f47f | 891 | return (error); |
61ec2127 | 892 | } |
d2cba8de | 893 | m->m_len = uap->valsize; |
66f52238 | 894 | } |
d9c2f47f | 895 | return (sosetopt((struct socket *)fp->f_data, uap->level, |
76ffad7c | 896 | uap->name, m)); |
66f52238 SL |
897 | } |
898 | ||
2d11c1ff CT |
899 | struct getsockopt_args { |
900 | int s; | |
901 | int level; | |
902 | int name; | |
903 | caddr_t val; | |
904 | int *avalsize; | |
905 | }; | |
85843d69 KM |
906 | /* ARGSUSED */ |
907 | getsockopt(p, uap, retval) | |
908 | struct proc *p; | |
2d11c1ff | 909 | register struct getsockopt_args *uap; |
85843d69 KM |
910 | int *retval; |
911 | { | |
66f52238 | 912 | struct file *fp; |
d2cba8de | 913 | struct mbuf *m = NULL; |
76ffad7c | 914 | int valsize, error; |
66f52238 | 915 | |
5e00df3b | 916 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 917 | return (error); |
d2cba8de | 918 | if (uap->val) { |
76ffad7c MK |
919 | if (error = copyin((caddr_t)uap->avalsize, (caddr_t)&valsize, |
920 | sizeof (valsize))) | |
d9c2f47f | 921 | return (error); |
61ec2127 SL |
922 | } else |
923 | valsize = 0; | |
76ffad7c MK |
924 | if ((error = sogetopt((struct socket *)fp->f_data, uap->level, |
925 | uap->name, &m)) == 0 && uap->val && valsize && m != NULL) { | |
d2cba8de SL |
926 | if (valsize > m->m_len) |
927 | valsize = m->m_len; | |
76ffad7c MK |
928 | error = copyout(mtod(m, caddr_t), uap->val, (u_int)valsize); |
929 | if (error == 0) | |
930 | error = copyout((caddr_t)&valsize, | |
931 | (caddr_t)uap->avalsize, sizeof (valsize)); | |
d2cba8de | 932 | } |
d2cba8de SL |
933 | if (m != NULL) |
934 | (void) m_free(m); | |
d9c2f47f | 935 | return (error); |
66f52238 SL |
936 | } |
937 | ||
2d11c1ff CT |
938 | struct pipe_args { |
939 | int dummy; | |
940 | }; | |
85843d69 KM |
941 | /* ARGSUSED */ |
942 | pipe(p, uap, retval) | |
943 | struct proc *p; | |
2d11c1ff | 944 | struct pipe_args *uap; |
85843d69 | 945 | int retval[]; |
cf012934 | 946 | { |
5e00df3b | 947 | register struct filedesc *fdp = p->p_fd; |
0c9a45f0 | 948 | struct file *rf, *wf; |
cf012934 | 949 | struct socket *rso, *wso; |
76ffad7c | 950 | int fd, error; |
cf012934 | 951 | |
76ffad7c | 952 | if (error = socreate(AF_UNIX, &rso, SOCK_STREAM, 0)) |
d9c2f47f | 953 | return (error); |
76ffad7c | 954 | if (error = socreate(AF_UNIX, &wso, SOCK_STREAM, 0)) |
b242cf10 | 955 | goto free1; |
5e00df3b | 956 | if (error = falloc(p, &rf, &fd)) |
cf012934 | 957 | goto free2; |
85843d69 | 958 | retval[0] = fd; |
cf012934 BJ |
959 | rf->f_flag = FREAD; |
960 | rf->f_type = DTYPE_SOCKET; | |
88a7a62a SL |
961 | rf->f_ops = &socketops; |
962 | rf->f_data = (caddr_t)rso; | |
5e00df3b | 963 | if (error = falloc(p, &wf, &fd)) |
cf012934 BJ |
964 | goto free3; |
965 | wf->f_flag = FWRITE; | |
966 | wf->f_type = DTYPE_SOCKET; | |
88a7a62a SL |
967 | wf->f_ops = &socketops; |
968 | wf->f_data = (caddr_t)wso; | |
85843d69 | 969 | retval[1] = fd; |
76ffad7c | 970 | if (error = unp_connect2(wso, rso)) |
cf012934 | 971 | goto free4; |
d9c2f47f | 972 | return (0); |
cf012934 | 973 | free4: |
336f999d | 974 | ffree(wf); |
994fd74e | 975 | fdp->fd_ofiles[retval[1]] = 0; |
cf012934 | 976 | free3: |
336f999d | 977 | ffree(rf); |
994fd74e | 978 | fdp->fd_ofiles[retval[0]] = 0; |
cf012934 | 979 | free2: |
8011f5df | 980 | (void)soclose(wso); |
b242cf10 | 981 | free1: |
8011f5df | 982 | (void)soclose(rso); |
d9c2f47f | 983 | return (error); |
cc15ab5d | 984 | } |
a3076b07 BJ |
985 | |
986 | /* | |
70f2eac5 | 987 | * Get socket name. |
a3076b07 | 988 | */ |
2d11c1ff CT |
989 | struct getsockname_args { |
990 | int fdes; | |
991 | caddr_t asa; | |
992 | int *alen; | |
993 | #ifdef COMPAT_OLDSOCK | |
994 | int compat_43; /* pseudo */ | |
995 | #endif | |
996 | }; | |
8ffc8876 | 997 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
998 | getsockname(p, uap, retval) |
999 | struct proc *p; | |
2d11c1ff | 1000 | struct getsockname_args *uap; |
85843d69 KM |
1001 | int *retval; |
1002 | { | |
76ffad7c | 1003 | |
85843d69 | 1004 | uap->compat_43 = 0; |
d9c2f47f | 1005 | return (getsockname1(p, uap, retval)); |
f4d2893a MK |
1006 | } |
1007 | ||
85843d69 KM |
1008 | ogetsockname(p, uap, retval) |
1009 | struct proc *p; | |
2d11c1ff | 1010 | struct getsockname_args *uap; |
85843d69 KM |
1011 | int *retval; |
1012 | { | |
76ffad7c | 1013 | |
85843d69 | 1014 | uap->compat_43 = 1; |
d9c2f47f | 1015 | return (getsockname1(p, uap, retval)); |
f4d2893a | 1016 | } |
8ffc8876 | 1017 | #else /* COMPAT_OLDSOCK */ |
f4d2893a | 1018 | |
76ffad7c | 1019 | #define getsockname1 getsockname |
f4d2893a | 1020 | #endif |
76ffad7c | 1021 | |
85843d69 KM |
1022 | /* ARGSUSED */ |
1023 | getsockname1(p, uap, retval) | |
1024 | struct proc *p; | |
2d11c1ff | 1025 | register struct getsockname_args *uap; |
85843d69 KM |
1026 | int *retval; |
1027 | { | |
5e00df3b | 1028 | struct file *fp; |
05d69517 | 1029 | register struct socket *so; |
cf012934 | 1030 | struct mbuf *m; |
76ffad7c | 1031 | int len, error; |
a3076b07 | 1032 | |
5e00df3b | 1033 | if (error = getsock(p->p_fd, uap->fdes, &fp)) |
d9c2f47f | 1034 | return (error); |
76ffad7c | 1035 | if (error = copyin((caddr_t)uap->alen, (caddr_t)&len, sizeof (len))) |
d9c2f47f | 1036 | return (error); |
88a7a62a | 1037 | so = (struct socket *)fp->f_data; |
cce93e4b | 1038 | m = m_getclr(M_WAIT, MT_SONAME); |
76ffad7c | 1039 | if (m == NULL) |
d9c2f47f | 1040 | return (ENOBUFS); |
76ffad7c | 1041 | if (error = (*so->so_proto->pr_usrreq)(so, PRU_SOCKADDR, 0, m, 0)) |
70f2eac5 SL |
1042 | goto bad; |
1043 | if (len > m->m_len) | |
1044 | len = m->m_len; | |
8ffc8876 | 1045 | #ifdef COMPAT_OLDSOCK |
76ffad7c | 1046 | if (uap->compat_43) |
f4d2893a MK |
1047 | mtod(m, struct osockaddr *)->sa_family = |
1048 | mtod(m, struct sockaddr *)->sa_family; | |
1049 | #endif | |
76ffad7c MK |
1050 | error = copyout(mtod(m, caddr_t), (caddr_t)uap->asa, (u_int)len); |
1051 | if (error == 0) | |
1052 | error = copyout((caddr_t)&len, (caddr_t)uap->alen, | |
f4d2893a | 1053 | sizeof (len)); |
cf012934 BJ |
1054 | bad: |
1055 | m_freem(m); | |
d9c2f47f | 1056 | return (error); |
cf012934 BJ |
1057 | } |
1058 | ||
f4d2893a MK |
1059 | /* |
1060 | * Get name of peer for connected socket. | |
1061 | */ | |
2d11c1ff CT |
1062 | struct getpeername_args { |
1063 | int fdes; | |
1064 | caddr_t asa; | |
1065 | int *alen; | |
1066 | #ifdef COMPAT_OLDSOCK | |
1067 | int compat_43; /* pseudo */ | |
1068 | #endif | |
1069 | }; | |
1070 | ||
8ffc8876 | 1071 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
1072 | getpeername(p, uap, retval) |
1073 | struct proc *p; | |
2d11c1ff | 1074 | struct getpeername_args *uap; |
85843d69 KM |
1075 | int *retval; |
1076 | { | |
76ffad7c | 1077 | |
85843d69 | 1078 | uap->compat_43 = 0; |
d9c2f47f | 1079 | return (getpeername1(p, uap, retval)); |
6d47a3da | 1080 | } |
6d47a3da | 1081 | |
85843d69 KM |
1082 | ogetpeername(p, uap, retval) |
1083 | struct proc *p; | |
2d11c1ff | 1084 | struct getpeername_args *uap; |
85843d69 KM |
1085 | int *retval; |
1086 | { | |
76ffad7c | 1087 | |
85843d69 | 1088 | uap->compat_43 = 1; |
d9c2f47f | 1089 | return (getpeername1(p, uap, retval)); |
f4d2893a | 1090 | } |
8ffc8876 | 1091 | #else /* COMPAT_OLDSOCK */ |
f4d2893a | 1092 | |
76ffad7c | 1093 | #define getpeername1 getpeername |
f4d2893a | 1094 | #endif |
76ffad7c | 1095 | |
85843d69 KM |
1096 | /* ARGSUSED */ |
1097 | getpeername1(p, uap, retval) | |
1098 | struct proc *p; | |
2d11c1ff | 1099 | register struct getpeername_args *uap; |
85843d69 KM |
1100 | int *retval; |
1101 | { | |
5e00df3b | 1102 | struct file *fp; |
a7343092 SL |
1103 | register struct socket *so; |
1104 | struct mbuf *m; | |
76ffad7c | 1105 | int len, error; |
a7343092 | 1106 | |
5e00df3b | 1107 | if (error = getsock(p->p_fd, uap->fdes, &fp)) |
d9c2f47f | 1108 | return (error); |
a7343092 | 1109 | so = (struct socket *)fp->f_data; |
76ffad7c | 1110 | if ((so->so_state & (SS_ISCONNECTED|SS_ISCONFIRMING)) == 0) |
d9c2f47f | 1111 | return (ENOTCONN); |
2c8123d6 KM |
1112 | if (error = copyin((caddr_t)uap->alen, (caddr_t)&len, sizeof (len))) |
1113 | return (error); | |
a7343092 | 1114 | m = m_getclr(M_WAIT, MT_SONAME); |
76ffad7c | 1115 | if (m == NULL) |
d9c2f47f | 1116 | return (ENOBUFS); |
76ffad7c | 1117 | if (error = (*so->so_proto->pr_usrreq)(so, PRU_PEERADDR, 0, m, 0)) |
a7343092 SL |
1118 | goto bad; |
1119 | if (len > m->m_len) | |
1120 | len = m->m_len; | |
8ffc8876 | 1121 | #ifdef COMPAT_OLDSOCK |
76ffad7c | 1122 | if (uap->compat_43) |
f4d2893a MK |
1123 | mtod(m, struct osockaddr *)->sa_family = |
1124 | mtod(m, struct sockaddr *)->sa_family; | |
1125 | #endif | |
76ffad7c | 1126 | if (error = copyout(mtod(m, caddr_t), (caddr_t)uap->asa, (u_int)len)) |
a7343092 | 1127 | goto bad; |
76ffad7c | 1128 | error = copyout((caddr_t)&len, (caddr_t)uap->alen, sizeof (len)); |
a7343092 SL |
1129 | bad: |
1130 | m_freem(m); | |
d9c2f47f | 1131 | return (error); |
a7343092 SL |
1132 | } |
1133 | ||
7a22a33c MK |
1134 | sockargs(mp, buf, buflen, type) |
1135 | struct mbuf **mp; | |
1136 | caddr_t buf; | |
1137 | int buflen, type; | |
cf012934 | 1138 | { |
1d123e2b | 1139 | register struct sockaddr *sa; |
cf012934 | 1140 | register struct mbuf *m; |
127f7d76 | 1141 | int error; |
cf012934 | 1142 | |
7a22a33c | 1143 | if ((u_int)buflen > MLEN) { |
8ffc8876 | 1144 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
1145 | if (type == MT_SONAME && (u_int)buflen <= 112) |
1146 | buflen = MLEN; /* unix domain compat. hack */ | |
3eb6310a MK |
1147 | else |
1148 | #endif | |
cf012934 | 1149 | return (EINVAL); |
3eb6310a | 1150 | } |
98447d3f | 1151 | m = m_get(M_WAIT, type); |
7c52d753 SL |
1152 | if (m == NULL) |
1153 | return (ENOBUFS); | |
7a22a33c MK |
1154 | m->m_len = buflen; |
1155 | error = copyin(buf, mtod(m, caddr_t), (u_int)buflen); | |
127f7d76 | 1156 | if (error) |
cf012934 | 1157 | (void) m_free(m); |
1d123e2b | 1158 | else { |
7a22a33c | 1159 | *mp = m; |
1d123e2b KB |
1160 | if (type == MT_SONAME) { |
1161 | sa = mtod(m, struct sockaddr *); | |
76ffad7c | 1162 | |
8ffc8876 | 1163 | #if defined(COMPAT_OLDSOCK) && BYTE_ORDER != BIG_ENDIAN |
1d123e2b KB |
1164 | if (sa->sa_family == 0 && sa->sa_len < AF_MAX) |
1165 | sa->sa_family = sa->sa_len; | |
f4d2893a | 1166 | #endif |
1d123e2b KB |
1167 | sa->sa_len = buflen; |
1168 | } | |
a2aebb63 | 1169 | } |
127f7d76 | 1170 | return (error); |
cf012934 | 1171 | } |
88a7a62a | 1172 | |
5e00df3b KM |
1173 | getsock(fdp, fdes, fpp) |
1174 | struct filedesc *fdp; | |
1175 | int fdes; | |
1176 | struct file **fpp; | |
88a7a62a SL |
1177 | { |
1178 | register struct file *fp; | |
1179 | ||
8429d022 | 1180 | if ((unsigned)fdes >= fdp->fd_nfiles || |
994fd74e | 1181 | (fp = fdp->fd_ofiles[fdes]) == NULL) |
5e00df3b KM |
1182 | return (EBADF); |
1183 | if (fp->f_type != DTYPE_SOCKET) | |
1184 | return (ENOTSOCK); | |
1185 | *fpp = fp; | |
1186 | return (0); | |
88a7a62a | 1187 | } |