Commit | Line | Data |
---|---|---|
da7c5cc6 | 1 | /* |
da7c5cc6 | 2 | * |
dbf0c423 | 3 | * %sccs.include.redist.c% |
96e6449f | 4 | * |
5e00df3b | 5 | * @(#)uipc_syscalls.c 7.21 (Berkeley) %G% |
da7c5cc6 | 6 | */ |
c8c7dd0e | 7 | |
94368568 | 8 | #include "param.h" |
d9c2f47f | 9 | #include "user.h" |
5e00df3b | 10 | #include "filedesc.h" |
6d47a3da | 11 | #include "proc.h" |
94368568 | 12 | #include "file.h" |
94368568 | 13 | #include "buf.h" |
6d47a3da | 14 | #include "malloc.h" |
94368568 JB |
15 | #include "mbuf.h" |
16 | #include "protosw.h" | |
17 | #include "socket.h" | |
18 | #include "socketvar.h" | |
813b7cd1 MT |
19 | #ifdef KTRACE |
20 | #include "ktrace.h" | |
21 | #endif | |
4147b3f6 | 22 | |
c8c7dd0e | 23 | /* |
cf012934 | 24 | * System call interface to the socket abstraction. |
c8c7dd0e BJ |
25 | */ |
26 | ||
88a7a62a SL |
27 | extern struct fileops socketops; |
28 | ||
85843d69 KM |
29 | socket(p, uap, retval) |
30 | struct proc *p; | |
31 | register struct args { | |
cf012934 | 32 | int domain; |
cc15ab5d | 33 | int type; |
cf012934 | 34 | int protocol; |
85843d69 KM |
35 | } *uap; |
36 | int *retval; | |
37 | { | |
5e00df3b | 38 | struct filedesc *fdp = p->p_fd; |
2b4b57cd | 39 | struct socket *so; |
0c9a45f0 | 40 | struct file *fp; |
76ffad7c | 41 | int fd, error; |
c8c7dd0e | 42 | |
5e00df3b | 43 | if (error = falloc(p, &fp, &fd)) |
d9c2f47f | 44 | return (error); |
4147b3f6 BJ |
45 | fp->f_flag = FREAD|FWRITE; |
46 | fp->f_type = DTYPE_SOCKET; | |
88a7a62a | 47 | fp->f_ops = &socketops; |
76ffad7c | 48 | if (error = socreate(uap->domain, &so, uap->type, uap->protocol)) { |
5e00df3b | 49 | OFILE(fdp, fd) = 0; |
76ffad7c MK |
50 | crfree(fp->f_cred); |
51 | fp->f_count = 0; | |
52 | } else { | |
53 | fp->f_data = (caddr_t)so; | |
85843d69 | 54 | *retval = fd; |
76ffad7c | 55 | } |
d9c2f47f | 56 | return (error); |
c8c7dd0e | 57 | } |
ae921915 | 58 | |
85843d69 KM |
59 | /* ARGSUSED */ |
60 | bind(p, uap, retval) | |
61 | struct proc *p; | |
62 | register struct args { | |
cf012934 BJ |
63 | int s; |
64 | caddr_t name; | |
65 | int namelen; | |
85843d69 KM |
66 | } *uap; |
67 | int *retval; | |
68 | { | |
5e00df3b | 69 | struct file *fp; |
cf012934 | 70 | struct mbuf *nam; |
76ffad7c | 71 | int error; |
ae921915 | 72 | |
5e00df3b | 73 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 74 | return (error); |
76ffad7c | 75 | if (error = sockargs(&nam, uap->name, uap->namelen, MT_SONAME)) |
d9c2f47f | 76 | return (error); |
76ffad7c | 77 | error = sobind((struct socket *)fp->f_data, nam); |
cf012934 | 78 | m_freem(nam); |
d9c2f47f | 79 | return (error); |
cf012934 BJ |
80 | } |
81 | ||
85843d69 KM |
82 | /* ARGSUSED */ |
83 | listen(p, uap, retval) | |
84 | struct proc *p; | |
85 | register struct args { | |
cf012934 BJ |
86 | int s; |
87 | int backlog; | |
85843d69 KM |
88 | } *uap; |
89 | int *retval; | |
90 | { | |
5e00df3b | 91 | struct file *fp; |
76ffad7c | 92 | int error; |
cf012934 | 93 | |
5e00df3b | 94 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f MK |
95 | return (error); |
96 | return (solisten((struct socket *)fp->f_data, uap->backlog)); | |
cf012934 BJ |
97 | } |
98 | ||
f4d2893a | 99 | #ifdef COMPAT_43 |
85843d69 KM |
100 | accept(p, uap, retval) |
101 | struct proc *p; | |
102 | struct args { | |
76ffad7c MK |
103 | int s; |
104 | caddr_t name; | |
105 | int *anamelen; | |
106 | int compat_43; | |
85843d69 KM |
107 | } *uap; |
108 | int *retval; | |
109 | { | |
76ffad7c | 110 | |
85843d69 | 111 | uap->compat_43 = 0; |
d9c2f47f | 112 | return (accept1(p, uap, retval)); |
f4d2893a MK |
113 | } |
114 | ||
85843d69 KM |
115 | oaccept(p, uap, retval) |
116 | struct proc *p; | |
117 | struct args { | |
76ffad7c MK |
118 | int s; |
119 | caddr_t name; | |
120 | int *anamelen; | |
121 | int compat_43; | |
85843d69 KM |
122 | } *uap; |
123 | int *retval; | |
124 | { | |
76ffad7c | 125 | |
85843d69 | 126 | uap->compat_43 = 1; |
d9c2f47f | 127 | return (accept1(p, uap, retval)); |
f4d2893a | 128 | } |
76ffad7c | 129 | #else /* COMPAT_43 */ |
f4d2893a | 130 | |
76ffad7c | 131 | #define accept1 accept |
f4d2893a | 132 | #endif |
76ffad7c | 133 | |
85843d69 KM |
134 | accept1(p, uap, retval) |
135 | struct proc *p; | |
136 | register struct args { | |
cf012934 BJ |
137 | int s; |
138 | caddr_t name; | |
139 | int *anamelen; | |
76ffad7c MK |
140 | #ifdef COMPAT_43 |
141 | int compat_43; | |
142 | #endif | |
85843d69 KM |
143 | } *uap; |
144 | int *retval; | |
145 | { | |
0c9a45f0 | 146 | struct file *fp; |
cf012934 | 147 | struct mbuf *nam; |
27f43765 | 148 | int namelen, error, s; |
cf012934 BJ |
149 | register struct socket *so; |
150 | ||
7a22a33c MK |
151 | if (uap->name && (error = copyin((caddr_t)uap->anamelen, |
152 | (caddr_t)&namelen, sizeof (namelen)))) | |
d9c2f47f | 153 | return (error); |
5e00df3b | 154 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 155 | return (error); |
2b4b57cd | 156 | s = splnet(); |
88a7a62a | 157 | so = (struct socket *)fp->f_data; |
4147b3f6 | 158 | if ((so->so_options & SO_ACCEPTCONN) == 0) { |
4147b3f6 | 159 | splx(s); |
d9c2f47f | 160 | return (EINVAL); |
4147b3f6 BJ |
161 | } |
162 | if ((so->so_state & SS_NBIO) && so->so_qlen == 0) { | |
2b4b57cd | 163 | splx(s); |
d9c2f47f | 164 | return (EWOULDBLOCK); |
2b4b57cd | 165 | } |
4147b3f6 | 166 | while (so->so_qlen == 0 && so->so_error == 0) { |
62229532 BJ |
167 | if (so->so_state & SS_CANTRCVMORE) { |
168 | so->so_error = ECONNABORTED; | |
169 | break; | |
170 | } | |
27f43765 MK |
171 | if (error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH, |
172 | netcon, 0)) { | |
173 | splx(s); | |
d9c2f47f | 174 | return (error); |
27f43765 | 175 | } |
62229532 | 176 | } |
f269ef23 | 177 | if (so->so_error) { |
27f43765 | 178 | error = so->so_error; |
f4ed5810 | 179 | so->so_error = 0; |
f269ef23 | 180 | splx(s); |
d9c2f47f | 181 | return (error); |
f269ef23 | 182 | } |
5e00df3b | 183 | if (error = falloc(p, &fp, retval)) { |
2b4b57cd | 184 | splx(s); |
d9c2f47f | 185 | return (error); |
cf012934 BJ |
186 | } |
187 | { struct socket *aso = so->so_q; | |
188 | if (soqremque(aso, 1) == 0) | |
189 | panic("accept"); | |
190 | so = aso; | |
2b4b57cd | 191 | } |
4147b3f6 BJ |
192 | fp->f_type = DTYPE_SOCKET; |
193 | fp->f_flag = FREAD|FWRITE; | |
88a7a62a SL |
194 | fp->f_ops = &socketops; |
195 | fp->f_data = (caddr_t)so; | |
cce93e4b | 196 | nam = m_get(M_WAIT, MT_SONAME); |
66f52238 | 197 | (void) soaccept(so, nam); |
cf012934 | 198 | if (uap->name) { |
f4d2893a | 199 | #ifdef COMPAT_43 |
76ffad7c | 200 | if (uap->compat_43) |
f4d2893a MK |
201 | mtod(nam, struct osockaddr *)->sa_family = |
202 | mtod(nam, struct sockaddr *)->sa_family; | |
203 | #endif | |
cf012934 BJ |
204 | if (namelen > nam->m_len) |
205 | namelen = nam->m_len; | |
206 | /* SHOULD COPY OUT A CHAIN HERE */ | |
7a22a33c MK |
207 | if ((error = copyout(mtod(nam, caddr_t), (caddr_t)uap->name, |
208 | (u_int)namelen)) == 0) | |
209 | error = copyout((caddr_t)&namelen, | |
210 | (caddr_t)uap->anamelen, sizeof (*uap->anamelen)); | |
cf012934 BJ |
211 | } |
212 | m_freem(nam); | |
2b4b57cd | 213 | splx(s); |
d9c2f47f | 214 | return (error); |
ae921915 BJ |
215 | } |
216 | ||
85843d69 KM |
217 | /* ARGSUSED */ |
218 | connect(p, uap, retval) | |
219 | struct proc *p; | |
220 | register struct args { | |
cf012934 BJ |
221 | int s; |
222 | caddr_t name; | |
223 | int namelen; | |
85843d69 KM |
224 | } *uap; |
225 | int *retval; | |
226 | { | |
5e00df3b | 227 | struct file *fp; |
c8c7dd0e | 228 | register struct socket *so; |
cf012934 | 229 | struct mbuf *nam; |
27f43765 | 230 | int error, s; |
c8c7dd0e | 231 | |
5e00df3b | 232 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 233 | return (error); |
88a7a62a | 234 | so = (struct socket *)fp->f_data; |
27f43765 | 235 | if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) |
d9c2f47f | 236 | return (EALREADY); |
27f43765 | 237 | if (error = sockargs(&nam, uap->name, uap->namelen, MT_SONAME)) |
d9c2f47f | 238 | return (error); |
27f43765 MK |
239 | error = soconnect(so, nam); |
240 | if (error) | |
cf012934 | 241 | goto bad; |
27f43765 | 242 | if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) { |
6222acc3 | 243 | m_freem(nam); |
d9c2f47f | 244 | return (EINPROGRESS); |
6222acc3 | 245 | } |
c8c7dd0e | 246 | s = splnet(); |
cc15ab5d | 247 | while ((so->so_state & SS_ISCONNECTING) && so->so_error == 0) |
27f43765 MK |
248 | if (error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH, |
249 | netcon, 0)) | |
250 | break; | |
251 | if (error == 0) { | |
252 | error = so->so_error; | |
253 | so->so_error = 0; | |
254 | } | |
cc15ab5d | 255 | splx(s); |
cf012934 | 256 | bad: |
6750daae | 257 | so->so_state &= ~SS_ISCONNECTING; |
cf012934 | 258 | m_freem(nam); |
27f43765 MK |
259 | if (error == ERESTART) |
260 | error = EINTR; | |
d9c2f47f | 261 | return (error); |
c8c7dd0e BJ |
262 | } |
263 | ||
85843d69 KM |
264 | socketpair(p, uap, retval) |
265 | struct proc *p; | |
266 | register struct args { | |
5a48956d SL |
267 | int domain; |
268 | int type; | |
269 | int protocol; | |
270 | int *rsv; | |
85843d69 KM |
271 | } *uap; |
272 | int retval[]; | |
273 | { | |
5e00df3b | 274 | register struct filedesc *fdp = p->p_fd; |
0c9a45f0 | 275 | struct file *fp1, *fp2; |
5a48956d | 276 | struct socket *so1, *so2; |
76ffad7c | 277 | int fd, error, sv[2]; |
cf012934 | 278 | |
76ffad7c | 279 | if (error = socreate(uap->domain, &so1, uap->type, uap->protocol)) |
d9c2f47f | 280 | return (error); |
76ffad7c | 281 | if (error = socreate(uap->domain, &so2, uap->type, uap->protocol)) |
b242cf10 | 282 | goto free1; |
5e00df3b | 283 | if (error = falloc(p, &fp1, &fd)) |
5a48956d | 284 | goto free2; |
0c9a45f0 | 285 | sv[0] = fd; |
5a48956d SL |
286 | fp1->f_flag = FREAD|FWRITE; |
287 | fp1->f_type = DTYPE_SOCKET; | |
288 | fp1->f_ops = &socketops; | |
289 | fp1->f_data = (caddr_t)so1; | |
5e00df3b | 290 | if (error = falloc(p, &fp2, &fd)) |
5a48956d SL |
291 | goto free3; |
292 | fp2->f_flag = FREAD|FWRITE; | |
293 | fp2->f_type = DTYPE_SOCKET; | |
294 | fp2->f_ops = &socketops; | |
295 | fp2->f_data = (caddr_t)so2; | |
0c9a45f0 | 296 | sv[1] = fd; |
76ffad7c | 297 | if (error = soconnect2(so1, so2)) |
5a48956d | 298 | goto free4; |
33446404 MK |
299 | if (uap->type == SOCK_DGRAM) { |
300 | /* | |
301 | * Datagram socket connection is asymmetric. | |
302 | */ | |
76ffad7c | 303 | if (error = soconnect2(so2, so1)) |
33446404 MK |
304 | goto free4; |
305 | } | |
76ffad7c | 306 | error = copyout((caddr_t)sv, (caddr_t)uap->rsv, 2 * sizeof (int)); |
85843d69 KM |
307 | retval[0] = sv[0]; /* XXX ??? */ |
308 | retval[1] = sv[1]; /* XXX ??? */ | |
d9c2f47f | 309 | return (error); |
5a48956d | 310 | free4: |
0c9a45f0 | 311 | crfree(fp2->f_cred); |
5a48956d | 312 | fp2->f_count = 0; |
5e00df3b | 313 | OFILE(fdp, sv[1]) = 0; |
5a48956d | 314 | free3: |
0c9a45f0 | 315 | crfree(fp1->f_cred); |
5a48956d | 316 | fp1->f_count = 0; |
5e00df3b | 317 | OFILE(fdp, sv[0]) = 0; |
5a48956d | 318 | free2: |
8011f5df | 319 | (void)soclose(so2); |
b242cf10 | 320 | free1: |
8011f5df | 321 | (void)soclose(so1); |
d9c2f47f | 322 | return (error); |
cf012934 BJ |
323 | } |
324 | ||
85843d69 KM |
325 | sendto(p, uap, retval) |
326 | struct proc *p; | |
327 | register struct args { | |
cf012934 BJ |
328 | int s; |
329 | caddr_t buf; | |
330 | int len; | |
331 | int flags; | |
332 | caddr_t to; | |
333 | int tolen; | |
85843d69 KM |
334 | } *uap; |
335 | int *retval; | |
336 | { | |
88a7a62a | 337 | struct msghdr msg; |
d3d550b5 | 338 | struct iovec aiov; |
5e00df3b | 339 | int error; |
c8c7dd0e | 340 | |
88a7a62a SL |
341 | msg.msg_name = uap->to; |
342 | msg.msg_namelen = uap->tolen; | |
343 | msg.msg_iov = &aiov; | |
344 | msg.msg_iovlen = 1; | |
27f43765 MK |
345 | msg.msg_control = 0; |
346 | #ifdef COMPAT_43 | |
347 | msg.msg_flags = 0; | |
348 | #endif | |
cf012934 BJ |
349 | aiov.iov_base = uap->buf; |
350 | aiov.iov_len = uap->len; | |
5e00df3b | 351 | return (sendit(p, uap->s, &msg, uap->flags, retval)); |
c8c7dd0e BJ |
352 | } |
353 | ||
6d47a3da | 354 | #ifdef COMPAT_43 |
85843d69 KM |
355 | osend(p, uap, retval) |
356 | struct proc *p; | |
357 | register struct args { | |
cf012934 BJ |
358 | int s; |
359 | caddr_t buf; | |
360 | int len; | |
361 | int flags; | |
85843d69 KM |
362 | } *uap; |
363 | int *retval; | |
364 | { | |
88a7a62a | 365 | struct msghdr msg; |
a6b6f679 | 366 | struct iovec aiov; |
cc15ab5d | 367 | |
88a7a62a SL |
368 | msg.msg_name = 0; |
369 | msg.msg_namelen = 0; | |
370 | msg.msg_iov = &aiov; | |
371 | msg.msg_iovlen = 1; | |
cf012934 BJ |
372 | aiov.iov_base = uap->buf; |
373 | aiov.iov_len = uap->len; | |
6d47a3da | 374 | msg.msg_control = 0; |
27f43765 | 375 | msg.msg_flags = 0; |
5e00df3b | 376 | return (sendit(p, uap->s, &msg, uap->flags, retval)); |
88a7a62a SL |
377 | } |
378 | ||
7a22a33c | 379 | #define MSG_COMPAT 0x8000 |
85843d69 KM |
380 | osendmsg(p, uap, retval) |
381 | struct proc *p; | |
382 | register struct args { | |
6d47a3da MK |
383 | int s; |
384 | caddr_t msg; | |
385 | int flags; | |
85843d69 KM |
386 | } *uap; |
387 | int *retval; | |
388 | { | |
6d47a3da | 389 | struct msghdr msg; |
813b7cd1 | 390 | struct iovec aiov[UIO_SMALLIOV], *iov; |
76ffad7c | 391 | int error; |
6d47a3da | 392 | |
76ffad7c | 393 | if (error = copyin(uap->msg, (caddr_t)&msg, sizeof (struct omsghdr))) |
d9c2f47f | 394 | return (error); |
813b7cd1 MT |
395 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
396 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 397 | return (EMSGSIZE); |
813b7cd1 MT |
398 | MALLOC(iov, struct iovec *, |
399 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
400 | M_WAITOK); | |
401 | } else | |
402 | iov = aiov; | |
403 | if (error = copyin((caddr_t)msg.msg_iov, (caddr_t)iov, | |
404 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec)))) | |
405 | goto done; | |
7a22a33c | 406 | msg.msg_flags = MSG_COMPAT; |
813b7cd1 | 407 | msg.msg_iov = iov; |
5e00df3b | 408 | error = sendit(p, uap->s, &msg, uap->flags, retval); |
813b7cd1 MT |
409 | done: |
410 | if (iov != aiov) | |
411 | FREE(iov, M_IOV); | |
d9c2f47f | 412 | return (error); |
6d47a3da MK |
413 | } |
414 | #endif | |
415 | ||
85843d69 KM |
416 | sendmsg(p, uap, retval) |
417 | struct proc *p; | |
418 | register struct args { | |
88a7a62a SL |
419 | int s; |
420 | caddr_t msg; | |
421 | int flags; | |
85843d69 KM |
422 | } *uap; |
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; | |
27f43765 MK |
444 | #ifdef COMPAT_43 |
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; |
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++) { |
76ffad7c MK |
480 | if (iov->iov_len < 0) |
481 | return (EINVAL); | |
7a22a33c MK |
482 | if ((auio.uio_resid += iov->iov_len) < 0) |
483 | return (EINVAL); | |
88a7a62a SL |
484 | } |
485 | if (mp->msg_name) { | |
76ffad7c MK |
486 | if (error = sockargs(&to, mp->msg_name, mp->msg_namelen, |
487 | MT_SONAME)) | |
488 | return (error); | |
88a7a62a SL |
489 | } else |
490 | to = 0; | |
6d47a3da | 491 | if (mp->msg_control) { |
7a22a33c MK |
492 | if (mp->msg_controllen < sizeof(struct cmsghdr) |
493 | #ifdef COMPAT_43 | |
a7a4c7b9 | 494 | && mp->msg_flags != MSG_COMPAT |
7a22a33c | 495 | #endif |
a7a4c7b9 | 496 | ) { |
7a22a33c MK |
497 | error = EINVAL; |
498 | goto bad; | |
499 | } | |
76ffad7c MK |
500 | if (error = sockargs(&control, mp->msg_control, |
501 | mp->msg_controllen, MT_CONTROL)) | |
6d47a3da | 502 | goto bad; |
27f43765 | 503 | #ifdef COMPAT_43 |
7a22a33c | 504 | if (mp->msg_flags == MSG_COMPAT) { |
27f43765 | 505 | register struct cmsghdr *cm; |
76ffad7c | 506 | |
27f43765 | 507 | M_PREPEND(control, sizeof(*cm), M_WAIT); |
76ffad7c MK |
508 | if (control == 0) { |
509 | error = ENOBUFS; | |
510 | goto bad; | |
511 | } else { | |
27f43765 MK |
512 | cm = mtod(control, struct cmsghdr *); |
513 | cm->cmsg_len = control->m_len; | |
514 | cm->cmsg_level = SOL_SOCKET; | |
515 | cm->cmsg_type = SCM_RIGHTS; | |
516 | } | |
517 | } | |
518 | #endif | |
6d47a3da MK |
519 | } else |
520 | control = 0; | |
813b7cd1 | 521 | #ifdef KTRACE |
5e00df3b | 522 | if (KTRPOINT(p, KTR_GENIO)) { |
813b7cd1 MT |
523 | int iovlen = auio.uio_iovcnt * sizeof (struct iovec); |
524 | ||
525 | MALLOC(ktriov, struct iovec *, iovlen, M_TEMP, M_WAITOK); | |
526 | bcopy((caddr_t)auio.uio_iov, (caddr_t)ktriov, iovlen); | |
527 | } | |
528 | #endif | |
88a7a62a | 529 | len = auio.uio_resid; |
76ffad7c | 530 | if (error = sosend((struct socket *)fp->f_data, to, &auio, |
7a22a33c | 531 | (struct mbuf *)0, control, flags)) { |
76ffad7c MK |
532 | if (auio.uio_resid != len && (error == ERESTART || |
533 | error == EINTR || error == EWOULDBLOCK)) | |
534 | error = 0; | |
535 | if (error == EPIPE) | |
5e00df3b | 536 | psignal(p, SIGPIPE); |
813b7cd1 MT |
537 | } |
538 | if (error == 0) | |
85843d69 | 539 | *retsize = len - auio.uio_resid; |
813b7cd1 MT |
540 | #ifdef KTRACE |
541 | if (ktriov != NULL) { | |
542 | if (error == 0) | |
5e00df3b | 543 | ktrgenio(p->p_tracep, s, UIO_WRITE, |
81ba99b6 | 544 | ktriov, *retsize, error); |
813b7cd1 MT |
545 | FREE(ktriov, M_TEMP); |
546 | } | |
547 | #endif | |
6d47a3da | 548 | bad: |
88a7a62a SL |
549 | if (to) |
550 | m_freem(to); | |
76ffad7c | 551 | return (error); |
cf012934 BJ |
552 | } |
553 | ||
f4d2893a | 554 | #ifdef COMPAT_43 |
85843d69 KM |
555 | orecvfrom(p, uap, retval) |
556 | struct proc *p; | |
557 | struct args { | |
76ffad7c MK |
558 | int s; |
559 | caddr_t buf; | |
560 | int len; | |
561 | int flags; | |
562 | caddr_t from; | |
563 | int *fromlenaddr; | |
85843d69 KM |
564 | } *uap; |
565 | int *retval; | |
566 | { | |
76ffad7c | 567 | |
85843d69 | 568 | uap->flags |= MSG_COMPAT; |
d9c2f47f | 569 | return (recvfrom(p, uap, retval)); |
f4d2893a | 570 | } |
f4d2893a | 571 | #endif |
76ffad7c | 572 | |
85843d69 KM |
573 | recvfrom(p, uap, retval) |
574 | struct proc *p; | |
575 | register struct args { | |
cf012934 BJ |
576 | int s; |
577 | caddr_t buf; | |
578 | int len; | |
579 | int flags; | |
580 | caddr_t from; | |
581 | int *fromlenaddr; | |
85843d69 KM |
582 | } *uap; |
583 | int *retval; | |
584 | { | |
88a7a62a | 585 | struct msghdr msg; |
cf012934 | 586 | struct iovec aiov; |
7a22a33c | 587 | int error; |
cf012934 | 588 | |
6d47a3da | 589 | if (uap->fromlenaddr) { |
7a22a33c MK |
590 | if (error = copyin((caddr_t)uap->fromlenaddr, |
591 | (caddr_t)&msg.msg_namelen, sizeof (msg.msg_namelen))) | |
d9c2f47f | 592 | return (error); |
6d47a3da | 593 | } else |
7a22a33c | 594 | msg.msg_namelen = 0; |
88a7a62a | 595 | msg.msg_name = uap->from; |
88a7a62a SL |
596 | msg.msg_iov = &aiov; |
597 | msg.msg_iovlen = 1; | |
cf012934 BJ |
598 | aiov.iov_base = uap->buf; |
599 | aiov.iov_len = uap->len; | |
6d47a3da | 600 | msg.msg_control = 0; |
813b7cd1 | 601 | msg.msg_flags = uap->flags; |
5e00df3b | 602 | return (recvit(p, uap->s, &msg, (caddr_t)uap->fromlenaddr, retval)); |
cf012934 | 603 | } |
76ffad7c | 604 | |
6d47a3da | 605 | #ifdef COMPAT_43 |
85843d69 KM |
606 | orecv(p, uap, retval) |
607 | struct proc *p; | |
608 | register struct args { | |
cf012934 BJ |
609 | int s; |
610 | caddr_t buf; | |
611 | int len; | |
612 | int flags; | |
85843d69 KM |
613 | } *uap; |
614 | int *retval; | |
615 | { | |
88a7a62a | 616 | struct msghdr msg; |
cf012934 BJ |
617 | struct iovec aiov; |
618 | ||
88a7a62a SL |
619 | msg.msg_name = 0; |
620 | msg.msg_namelen = 0; | |
621 | msg.msg_iov = &aiov; | |
622 | msg.msg_iovlen = 1; | |
cf012934 BJ |
623 | aiov.iov_base = uap->buf; |
624 | aiov.iov_len = uap->len; | |
6d47a3da MK |
625 | msg.msg_control = 0; |
626 | msg.msg_flags = uap->flags; | |
5e00df3b | 627 | return (recvit(p, uap->s, &msg, (caddr_t)0, retval)); |
6d47a3da MK |
628 | } |
629 | ||
7a22a33c MK |
630 | /* |
631 | * Old recvmsg. This code takes advantage of the fact that the old msghdr | |
632 | * overlays the new one, missing only the flags, and with the (old) access | |
633 | * rights where the control fields are now. | |
634 | */ | |
85843d69 KM |
635 | orecvmsg(p, uap, retval) |
636 | struct proc *p; | |
637 | register struct args { | |
6d47a3da MK |
638 | int s; |
639 | struct omsghdr *msg; | |
640 | int flags; | |
85843d69 KM |
641 | } *uap; |
642 | int *retval; | |
643 | { | |
6d47a3da | 644 | struct msghdr msg; |
813b7cd1 | 645 | struct iovec aiov[UIO_SMALLIOV], *iov; |
76ffad7c | 646 | int error; |
6d47a3da | 647 | |
76ffad7c MK |
648 | if (error = copyin((caddr_t)uap->msg, (caddr_t)&msg, |
649 | sizeof (struct omsghdr))) | |
d9c2f47f | 650 | return (error); |
813b7cd1 MT |
651 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
652 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 653 | return (EMSGSIZE); |
813b7cd1 MT |
654 | MALLOC(iov, struct iovec *, |
655 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
656 | M_WAITOK); | |
657 | } else | |
658 | iov = aiov; | |
7a22a33c | 659 | msg.msg_flags = uap->flags | MSG_COMPAT; |
813b7cd1 MT |
660 | if (error = copyin((caddr_t)msg.msg_iov, (caddr_t)iov, |
661 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec)))) | |
662 | goto done; | |
663 | msg.msg_iov = iov; | |
5e00df3b | 664 | error = recvit(p, uap->s, &msg, (caddr_t)&uap->msg->msg_namelen, retval); |
7a22a33c MK |
665 | |
666 | if (msg.msg_controllen && error == 0) | |
667 | error = copyout((caddr_t)&msg.msg_controllen, | |
668 | (caddr_t)&uap->msg->msg_accrightslen, sizeof (int)); | |
813b7cd1 MT |
669 | done: |
670 | if (iov != aiov) | |
671 | FREE(iov, M_IOV); | |
d9c2f47f | 672 | return (error); |
cf012934 | 673 | } |
6d47a3da | 674 | #endif |
cf012934 | 675 | |
85843d69 KM |
676 | recvmsg(p, uap, retval) |
677 | struct proc *p; | |
678 | register struct args { | |
88a7a62a SL |
679 | int s; |
680 | struct msghdr *msg; | |
681 | int flags; | |
85843d69 KM |
682 | } *uap; |
683 | int *retval; | |
684 | { | |
88a7a62a | 685 | struct msghdr msg; |
813b7cd1 | 686 | struct iovec aiov[UIO_SMALLIOV], *uiov, *iov; |
76ffad7c MK |
687 | register int error; |
688 | ||
689 | if (error = copyin((caddr_t)uap->msg, (caddr_t)&msg, sizeof (msg))) | |
d9c2f47f | 690 | return (error); |
813b7cd1 MT |
691 | if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { |
692 | if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) | |
d9c2f47f | 693 | return (EMSGSIZE); |
813b7cd1 MT |
694 | MALLOC(iov, struct iovec *, |
695 | sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, | |
696 | M_WAITOK); | |
697 | } else | |
698 | iov = aiov; | |
7a22a33c MK |
699 | #ifdef COMPAT_43 |
700 | msg.msg_flags = uap->flags &~ MSG_COMPAT; | |
701 | #else | |
6d47a3da | 702 | msg.msg_flags = uap->flags; |
7a22a33c | 703 | #endif |
27f43765 | 704 | uiov = msg.msg_iov; |
813b7cd1 MT |
705 | msg.msg_iov = iov; |
706 | if (error = copyin((caddr_t)uiov, (caddr_t)iov, | |
707 | (unsigned)(msg.msg_iovlen * sizeof (struct iovec)))) | |
708 | goto done; | |
5e00df3b | 709 | if ((error = recvit(p, uap->s, &msg, (caddr_t)0, retval)) == 0) { |
76ffad7c MK |
710 | msg.msg_iov = uiov; |
711 | error = copyout((caddr_t)&msg, (caddr_t)uap->msg, sizeof(msg)); | |
712 | } | |
813b7cd1 MT |
713 | done: |
714 | if (iov != aiov) | |
715 | FREE(iov, M_IOV); | |
d9c2f47f | 716 | return (error); |
cf012934 BJ |
717 | } |
718 | ||
5e00df3b KM |
719 | recvit(p, s, mp, namelenp, retsize) |
720 | register struct proc *p; | |
7a22a33c | 721 | int s; |
88a7a62a | 722 | register struct msghdr *mp; |
7a22a33c | 723 | caddr_t namelenp; |
85843d69 | 724 | int *retsize; |
cf012934 | 725 | { |
5e00df3b | 726 | struct file *fp; |
88a7a62a SL |
727 | struct uio auio; |
728 | register struct iovec *iov; | |
729 | register int i; | |
76ffad7c | 730 | int len, error; |
7a22a33c | 731 | struct mbuf *from = 0, *control = 0; |
813b7cd1 MT |
732 | #ifdef KTRACE |
733 | struct iovec *ktriov = NULL; | |
734 | #endif | |
88a7a62a | 735 | |
5e00df3b | 736 | if (error = getsock(p->p_fd, s, &fp)) |
76ffad7c | 737 | return (error); |
88a7a62a SL |
738 | auio.uio_iov = mp->msg_iov; |
739 | auio.uio_iovcnt = mp->msg_iovlen; | |
c41770c0 | 740 | auio.uio_segflg = UIO_USERSPACE; |
c4ec2128 | 741 | auio.uio_rw = UIO_READ; |
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 { | |
f4d2893a | 782 | #ifdef COMPAT_43 |
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)))) { | |
797 | #ifdef COMPAT_43 | |
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) { | |
7a22a33c MK |
806 | #ifdef COMPAT_43 |
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 | ||
85843d69 KM |
847 | /* ARGSUSED */ |
848 | shutdown(p, uap, retval) | |
849 | struct proc *p; | |
850 | register struct args { | |
6ef233bf SL |
851 | int s; |
852 | int how; | |
85843d69 KM |
853 | } *uap; |
854 | int *retval; | |
855 | { | |
6ef233bf | 856 | struct file *fp; |
76ffad7c | 857 | int error; |
cf012934 | 858 | |
5e00df3b | 859 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f MK |
860 | return (error); |
861 | return (soshutdown((struct socket *)fp->f_data, uap->how)); | |
cf012934 BJ |
862 | } |
863 | ||
85843d69 KM |
864 | /* ARGSUSED */ |
865 | setsockopt(p, uap, retval) | |
866 | struct proc *p; | |
867 | register struct args { | |
66f52238 SL |
868 | int s; |
869 | int level; | |
870 | int name; | |
871 | caddr_t val; | |
872 | int valsize; | |
85843d69 KM |
873 | } *uap; |
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 | ||
85843d69 KM |
899 | /* ARGSUSED */ |
900 | getsockopt(p, uap, retval) | |
901 | struct proc *p; | |
902 | register struct args { | |
66f52238 SL |
903 | int s; |
904 | int level; | |
905 | int name; | |
906 | caddr_t val; | |
907 | int *avalsize; | |
85843d69 KM |
908 | } *uap; |
909 | int *retval; | |
910 | { | |
66f52238 | 911 | struct file *fp; |
d2cba8de | 912 | struct mbuf *m = NULL; |
76ffad7c | 913 | int valsize, error; |
66f52238 | 914 | |
5e00df3b | 915 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 916 | return (error); |
d2cba8de | 917 | if (uap->val) { |
76ffad7c MK |
918 | if (error = copyin((caddr_t)uap->avalsize, (caddr_t)&valsize, |
919 | sizeof (valsize))) | |
d9c2f47f | 920 | return (error); |
61ec2127 SL |
921 | } else |
922 | valsize = 0; | |
76ffad7c MK |
923 | if ((error = sogetopt((struct socket *)fp->f_data, uap->level, |
924 | uap->name, &m)) == 0 && uap->val && valsize && m != NULL) { | |
d2cba8de SL |
925 | if (valsize > m->m_len) |
926 | valsize = m->m_len; | |
76ffad7c MK |
927 | error = copyout(mtod(m, caddr_t), uap->val, (u_int)valsize); |
928 | if (error == 0) | |
929 | error = copyout((caddr_t)&valsize, | |
930 | (caddr_t)uap->avalsize, sizeof (valsize)); | |
d2cba8de | 931 | } |
d2cba8de SL |
932 | if (m != NULL) |
933 | (void) m_free(m); | |
d9c2f47f | 934 | return (error); |
66f52238 SL |
935 | } |
936 | ||
85843d69 KM |
937 | /* ARGSUSED */ |
938 | pipe(p, uap, retval) | |
939 | struct proc *p; | |
940 | struct args *uap; | |
941 | int retval[]; | |
cf012934 | 942 | { |
5e00df3b | 943 | register struct filedesc *fdp = p->p_fd; |
0c9a45f0 | 944 | struct file *rf, *wf; |
cf012934 | 945 | struct socket *rso, *wso; |
76ffad7c | 946 | int fd, error; |
cf012934 | 947 | |
76ffad7c | 948 | if (error = socreate(AF_UNIX, &rso, SOCK_STREAM, 0)) |
d9c2f47f | 949 | return (error); |
76ffad7c | 950 | if (error = socreate(AF_UNIX, &wso, SOCK_STREAM, 0)) |
b242cf10 | 951 | goto free1; |
5e00df3b | 952 | if (error = falloc(p, &rf, &fd)) |
cf012934 | 953 | goto free2; |
85843d69 | 954 | retval[0] = fd; |
cf012934 BJ |
955 | rf->f_flag = FREAD; |
956 | rf->f_type = DTYPE_SOCKET; | |
88a7a62a SL |
957 | rf->f_ops = &socketops; |
958 | rf->f_data = (caddr_t)rso; | |
5e00df3b | 959 | if (error = falloc(p, &wf, &fd)) |
cf012934 BJ |
960 | goto free3; |
961 | wf->f_flag = FWRITE; | |
962 | wf->f_type = DTYPE_SOCKET; | |
88a7a62a SL |
963 | wf->f_ops = &socketops; |
964 | wf->f_data = (caddr_t)wso; | |
85843d69 | 965 | retval[1] = fd; |
76ffad7c | 966 | if (error = unp_connect2(wso, rso)) |
cf012934 | 967 | goto free4; |
d9c2f47f | 968 | return (0); |
cf012934 BJ |
969 | free4: |
970 | wf->f_count = 0; | |
5e00df3b | 971 | OFILE(fdp, retval[1]) = 0; |
cf012934 BJ |
972 | free3: |
973 | rf->f_count = 0; | |
5e00df3b | 974 | OFILE(fdp, retval[0]) = 0; |
cf012934 | 975 | free2: |
8011f5df | 976 | (void)soclose(wso); |
b242cf10 | 977 | free1: |
8011f5df | 978 | (void)soclose(rso); |
d9c2f47f | 979 | return (error); |
cc15ab5d | 980 | } |
a3076b07 BJ |
981 | |
982 | /* | |
70f2eac5 | 983 | * Get socket name. |
a3076b07 | 984 | */ |
f4d2893a | 985 | #ifdef COMPAT_43 |
85843d69 KM |
986 | getsockname(p, uap, retval) |
987 | struct proc *p; | |
988 | struct args { | |
76ffad7c MK |
989 | int fdes; |
990 | caddr_t asa; | |
991 | int *alen; | |
992 | int compat_43; | |
85843d69 KM |
993 | } *uap; |
994 | int *retval; | |
995 | { | |
76ffad7c | 996 | |
85843d69 | 997 | uap->compat_43 = 0; |
d9c2f47f | 998 | return (getsockname1(p, uap, retval)); |
f4d2893a MK |
999 | } |
1000 | ||
85843d69 KM |
1001 | ogetsockname(p, uap, retval) |
1002 | struct proc *p; | |
1003 | struct args { | |
76ffad7c MK |
1004 | int fdes; |
1005 | caddr_t asa; | |
1006 | int *alen; | |
1007 | int compat_43; | |
85843d69 KM |
1008 | } *uap; |
1009 | int *retval; | |
1010 | { | |
76ffad7c | 1011 | |
85843d69 | 1012 | uap->compat_43 = 1; |
d9c2f47f | 1013 | return (getsockname1(p, uap, retval)); |
f4d2893a | 1014 | } |
76ffad7c | 1015 | #else /* COMPAT_43 */ |
f4d2893a | 1016 | |
76ffad7c | 1017 | #define getsockname1 getsockname |
f4d2893a | 1018 | #endif |
76ffad7c | 1019 | |
85843d69 KM |
1020 | /* ARGSUSED */ |
1021 | getsockname1(p, uap, retval) | |
1022 | struct proc *p; | |
1023 | register struct args { | |
a3076b07 | 1024 | int fdes; |
70f2eac5 SL |
1025 | caddr_t asa; |
1026 | int *alen; | |
76ffad7c MK |
1027 | #ifdef COMPAT_43 |
1028 | int compat_43; | |
1029 | #endif | |
85843d69 KM |
1030 | } *uap; |
1031 | int *retval; | |
1032 | { | |
5e00df3b | 1033 | struct file *fp; |
05d69517 | 1034 | register struct socket *so; |
cf012934 | 1035 | struct mbuf *m; |
76ffad7c | 1036 | int len, error; |
a3076b07 | 1037 | |
5e00df3b | 1038 | if (error = getsock(p->p_fd, uap->fdes, &fp)) |
d9c2f47f | 1039 | return (error); |
76ffad7c | 1040 | if (error = copyin((caddr_t)uap->alen, (caddr_t)&len, sizeof (len))) |
d9c2f47f | 1041 | return (error); |
88a7a62a | 1042 | so = (struct socket *)fp->f_data; |
cce93e4b | 1043 | m = m_getclr(M_WAIT, MT_SONAME); |
76ffad7c | 1044 | if (m == NULL) |
d9c2f47f | 1045 | return (ENOBUFS); |
76ffad7c | 1046 | if (error = (*so->so_proto->pr_usrreq)(so, PRU_SOCKADDR, 0, m, 0)) |
70f2eac5 SL |
1047 | goto bad; |
1048 | if (len > m->m_len) | |
1049 | len = m->m_len; | |
f4d2893a | 1050 | #ifdef COMPAT_43 |
76ffad7c | 1051 | if (uap->compat_43) |
f4d2893a MK |
1052 | mtod(m, struct osockaddr *)->sa_family = |
1053 | mtod(m, struct sockaddr *)->sa_family; | |
1054 | #endif | |
76ffad7c MK |
1055 | error = copyout(mtod(m, caddr_t), (caddr_t)uap->asa, (u_int)len); |
1056 | if (error == 0) | |
1057 | error = copyout((caddr_t)&len, (caddr_t)uap->alen, | |
f4d2893a | 1058 | sizeof (len)); |
cf012934 BJ |
1059 | bad: |
1060 | m_freem(m); | |
d9c2f47f | 1061 | return (error); |
cf012934 BJ |
1062 | } |
1063 | ||
f4d2893a MK |
1064 | /* |
1065 | * Get name of peer for connected socket. | |
1066 | */ | |
6d47a3da | 1067 | #ifdef COMPAT_43 |
85843d69 KM |
1068 | getpeername(p, uap, retval) |
1069 | struct proc *p; | |
1070 | struct args { | |
76ffad7c MK |
1071 | int fdes; |
1072 | caddr_t asa; | |
1073 | int *alen; | |
1074 | int compat_43; | |
85843d69 KM |
1075 | } *uap; |
1076 | int *retval; | |
1077 | { | |
76ffad7c | 1078 | |
85843d69 | 1079 | uap->compat_43 = 0; |
d9c2f47f | 1080 | return (getpeername1(p, uap, retval)); |
6d47a3da | 1081 | } |
6d47a3da | 1082 | |
85843d69 KM |
1083 | ogetpeername(p, uap, retval) |
1084 | struct proc *p; | |
1085 | struct args { | |
76ffad7c MK |
1086 | int fdes; |
1087 | caddr_t asa; | |
1088 | int *alen; | |
1089 | int compat_43; | |
85843d69 KM |
1090 | } *uap; |
1091 | int *retval; | |
1092 | { | |
76ffad7c | 1093 | |
85843d69 | 1094 | uap->compat_43 = 1; |
d9c2f47f | 1095 | return (getpeername1(p, uap, retval)); |
f4d2893a | 1096 | } |
76ffad7c | 1097 | #else /* COMPAT_43 */ |
f4d2893a | 1098 | |
76ffad7c | 1099 | #define getpeername1 getpeername |
f4d2893a | 1100 | #endif |
76ffad7c | 1101 | |
85843d69 KM |
1102 | /* ARGSUSED */ |
1103 | getpeername1(p, uap, retval) | |
1104 | struct proc *p; | |
1105 | register struct args { | |
a7343092 SL |
1106 | int fdes; |
1107 | caddr_t asa; | |
1108 | int *alen; | |
76ffad7c MK |
1109 | #ifdef COMPAT_43 |
1110 | int compat_43; | |
1111 | #endif | |
85843d69 KM |
1112 | } *uap; |
1113 | int *retval; | |
1114 | { | |
5e00df3b | 1115 | struct file *fp; |
a7343092 SL |
1116 | register struct socket *so; |
1117 | struct mbuf *m; | |
76ffad7c | 1118 | int len, error; |
a7343092 | 1119 | |
5e00df3b | 1120 | if (error = getsock(p->p_fd, uap->fdes, &fp)) |
d9c2f47f | 1121 | return (error); |
a7343092 | 1122 | so = (struct socket *)fp->f_data; |
76ffad7c | 1123 | if ((so->so_state & (SS_ISCONNECTED|SS_ISCONFIRMING)) == 0) |
d9c2f47f | 1124 | return (ENOTCONN); |
a7343092 | 1125 | m = m_getclr(M_WAIT, MT_SONAME); |
76ffad7c | 1126 | if (m == NULL) |
d9c2f47f | 1127 | return (ENOBUFS); |
76ffad7c | 1128 | if (error = copyin((caddr_t)uap->alen, (caddr_t)&len, sizeof (len))) |
d9c2f47f | 1129 | return (error); |
76ffad7c | 1130 | if (error = (*so->so_proto->pr_usrreq)(so, PRU_PEERADDR, 0, m, 0)) |
a7343092 SL |
1131 | goto bad; |
1132 | if (len > m->m_len) | |
1133 | len = m->m_len; | |
f4d2893a | 1134 | #ifdef COMPAT_43 |
76ffad7c | 1135 | if (uap->compat_43) |
f4d2893a MK |
1136 | mtod(m, struct osockaddr *)->sa_family = |
1137 | mtod(m, struct sockaddr *)->sa_family; | |
1138 | #endif | |
76ffad7c | 1139 | if (error = copyout(mtod(m, caddr_t), (caddr_t)uap->asa, (u_int)len)) |
a7343092 | 1140 | goto bad; |
76ffad7c | 1141 | error = copyout((caddr_t)&len, (caddr_t)uap->alen, sizeof (len)); |
a7343092 SL |
1142 | bad: |
1143 | m_freem(m); | |
d9c2f47f | 1144 | return (error); |
a7343092 SL |
1145 | } |
1146 | ||
7a22a33c MK |
1147 | sockargs(mp, buf, buflen, type) |
1148 | struct mbuf **mp; | |
1149 | caddr_t buf; | |
1150 | int buflen, type; | |
cf012934 BJ |
1151 | { |
1152 | register struct mbuf *m; | |
127f7d76 | 1153 | int error; |
cf012934 | 1154 | |
7a22a33c | 1155 | if ((u_int)buflen > MLEN) { |
3eb6310a | 1156 | #ifdef COMPAT_43 |
7a22a33c MK |
1157 | if (type == MT_SONAME && (u_int)buflen <= 112) |
1158 | buflen = MLEN; /* unix domain compat. hack */ | |
3eb6310a MK |
1159 | else |
1160 | #endif | |
cf012934 | 1161 | return (EINVAL); |
3eb6310a | 1162 | } |
98447d3f | 1163 | m = m_get(M_WAIT, type); |
7c52d753 SL |
1164 | if (m == NULL) |
1165 | return (ENOBUFS); | |
7a22a33c MK |
1166 | m->m_len = buflen; |
1167 | error = copyin(buf, mtod(m, caddr_t), (u_int)buflen); | |
127f7d76 | 1168 | if (error) |
cf012934 | 1169 | (void) m_free(m); |
127f7d76 | 1170 | else |
7a22a33c | 1171 | *mp = m; |
a2aebb63 KS |
1172 | if (type == MT_SONAME) { |
1173 | register struct sockaddr *sa = mtod(m, struct sockaddr *); | |
76ffad7c | 1174 | |
f4d2893a | 1175 | #if defined(COMPAT_43) && BYTE_ORDER != BIG_ENDIAN |
a2aebb63 KS |
1176 | if (sa->sa_family == 0 && sa->sa_len < AF_MAX) |
1177 | sa->sa_family = sa->sa_len; | |
f4d2893a | 1178 | #endif |
7a22a33c | 1179 | sa->sa_len = buflen; |
a2aebb63 | 1180 | } |
127f7d76 | 1181 | return (error); |
cf012934 | 1182 | } |
88a7a62a | 1183 | |
5e00df3b KM |
1184 | getsock(fdp, fdes, fpp) |
1185 | struct filedesc *fdp; | |
1186 | int fdes; | |
1187 | struct file **fpp; | |
88a7a62a SL |
1188 | { |
1189 | register struct file *fp; | |
1190 | ||
5e00df3b KM |
1191 | if ((unsigned)fdes >= fdp->fd_maxfiles || |
1192 | (fp = OFILE(fdp, fdes)) == NULL) | |
1193 | return (EBADF); | |
1194 | if (fp->f_type != DTYPE_SOCKET) | |
1195 | return (ENOTSOCK); | |
1196 | *fpp = fp; | |
1197 | return (0); | |
88a7a62a | 1198 | } |