Commit | Line | Data |
---|---|---|
da7c5cc6 | 1 | /* |
da7c5cc6 | 2 | * |
dbf0c423 | 3 | * %sccs.include.redist.c% |
96e6449f | 4 | * |
1d123e2b | 5 | * @(#)uipc_syscalls.c 7.26 (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 | ||
85843d69 KM |
31 | socket(p, uap, retval) |
32 | struct proc *p; | |
33 | register struct args { | |
cf012934 | 34 | int domain; |
cc15ab5d | 35 | int type; |
cf012934 | 36 | int protocol; |
85843d69 KM |
37 | } *uap; |
38 | int *retval; | |
39 | { | |
5e00df3b | 40 | struct filedesc *fdp = p->p_fd; |
2b4b57cd | 41 | struct socket *so; |
0c9a45f0 | 42 | struct file *fp; |
76ffad7c | 43 | int fd, error; |
c8c7dd0e | 44 | |
5e00df3b | 45 | if (error = falloc(p, &fp, &fd)) |
d9c2f47f | 46 | return (error); |
4147b3f6 BJ |
47 | fp->f_flag = FREAD|FWRITE; |
48 | fp->f_type = DTYPE_SOCKET; | |
88a7a62a | 49 | fp->f_ops = &socketops; |
76ffad7c | 50 | if (error = socreate(uap->domain, &so, uap->type, uap->protocol)) { |
994fd74e | 51 | fdp->fd_ofiles[fd] = 0; |
336f999d | 52 | ffree(fp); |
76ffad7c MK |
53 | } else { |
54 | fp->f_data = (caddr_t)so; | |
85843d69 | 55 | *retval = fd; |
76ffad7c | 56 | } |
d9c2f47f | 57 | return (error); |
c8c7dd0e | 58 | } |
ae921915 | 59 | |
85843d69 KM |
60 | /* ARGSUSED */ |
61 | bind(p, uap, retval) | |
62 | struct proc *p; | |
63 | register struct args { | |
cf012934 BJ |
64 | int s; |
65 | caddr_t name; | |
66 | int namelen; | |
85843d69 KM |
67 | } *uap; |
68 | int *retval; | |
69 | { | |
5e00df3b | 70 | struct file *fp; |
cf012934 | 71 | struct mbuf *nam; |
76ffad7c | 72 | int error; |
ae921915 | 73 | |
5e00df3b | 74 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 75 | return (error); |
76ffad7c | 76 | if (error = sockargs(&nam, uap->name, uap->namelen, MT_SONAME)) |
d9c2f47f | 77 | return (error); |
76ffad7c | 78 | error = sobind((struct socket *)fp->f_data, nam); |
cf012934 | 79 | m_freem(nam); |
d9c2f47f | 80 | return (error); |
cf012934 BJ |
81 | } |
82 | ||
85843d69 KM |
83 | /* ARGSUSED */ |
84 | listen(p, uap, retval) | |
85 | struct proc *p; | |
86 | register struct args { | |
cf012934 BJ |
87 | int s; |
88 | int backlog; | |
85843d69 KM |
89 | } *uap; |
90 | int *retval; | |
91 | { | |
5e00df3b | 92 | struct file *fp; |
76ffad7c | 93 | int error; |
cf012934 | 94 | |
5e00df3b | 95 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f MK |
96 | return (error); |
97 | return (solisten((struct socket *)fp->f_data, uap->backlog)); | |
cf012934 BJ |
98 | } |
99 | ||
8ffc8876 | 100 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
101 | accept(p, uap, retval) |
102 | struct proc *p; | |
103 | struct args { | |
76ffad7c MK |
104 | int s; |
105 | caddr_t name; | |
106 | int *anamelen; | |
107 | int compat_43; | |
85843d69 KM |
108 | } *uap; |
109 | int *retval; | |
110 | { | |
76ffad7c | 111 | |
85843d69 | 112 | uap->compat_43 = 0; |
d9c2f47f | 113 | return (accept1(p, uap, retval)); |
f4d2893a MK |
114 | } |
115 | ||
85843d69 KM |
116 | oaccept(p, uap, retval) |
117 | struct proc *p; | |
118 | struct args { | |
76ffad7c MK |
119 | int s; |
120 | caddr_t name; | |
121 | int *anamelen; | |
122 | int compat_43; | |
85843d69 KM |
123 | } *uap; |
124 | int *retval; | |
125 | { | |
76ffad7c | 126 | |
85843d69 | 127 | uap->compat_43 = 1; |
d9c2f47f | 128 | return (accept1(p, uap, retval)); |
f4d2893a | 129 | } |
8ffc8876 | 130 | #else /* COMPAT_OLDSOCK */ |
f4d2893a | 131 | |
76ffad7c | 132 | #define accept1 accept |
f4d2893a | 133 | #endif |
76ffad7c | 134 | |
85843d69 KM |
135 | accept1(p, uap, retval) |
136 | struct proc *p; | |
137 | register struct args { | |
cf012934 BJ |
138 | int s; |
139 | caddr_t name; | |
140 | int *anamelen; | |
8ffc8876 | 141 | #ifdef COMPAT_OLDSOCK |
76ffad7c MK |
142 | int compat_43; |
143 | #endif | |
85843d69 KM |
144 | } *uap; |
145 | int *retval; | |
146 | { | |
0c9a45f0 | 147 | struct file *fp; |
cf012934 | 148 | struct mbuf *nam; |
27f43765 | 149 | int namelen, error, s; |
cf012934 BJ |
150 | register struct socket *so; |
151 | ||
7a22a33c MK |
152 | if (uap->name && (error = copyin((caddr_t)uap->anamelen, |
153 | (caddr_t)&namelen, sizeof (namelen)))) | |
d9c2f47f | 154 | return (error); |
5e00df3b | 155 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 156 | return (error); |
2b4b57cd | 157 | s = splnet(); |
88a7a62a | 158 | so = (struct socket *)fp->f_data; |
4147b3f6 | 159 | if ((so->so_options & SO_ACCEPTCONN) == 0) { |
4147b3f6 | 160 | splx(s); |
d9c2f47f | 161 | return (EINVAL); |
4147b3f6 BJ |
162 | } |
163 | if ((so->so_state & SS_NBIO) && so->so_qlen == 0) { | |
2b4b57cd | 164 | splx(s); |
d9c2f47f | 165 | return (EWOULDBLOCK); |
2b4b57cd | 166 | } |
4147b3f6 | 167 | while (so->so_qlen == 0 && so->so_error == 0) { |
62229532 BJ |
168 | if (so->so_state & SS_CANTRCVMORE) { |
169 | so->so_error = ECONNABORTED; | |
170 | break; | |
171 | } | |
27f43765 MK |
172 | if (error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH, |
173 | netcon, 0)) { | |
174 | splx(s); | |
d9c2f47f | 175 | return (error); |
27f43765 | 176 | } |
62229532 | 177 | } |
f269ef23 | 178 | if (so->so_error) { |
27f43765 | 179 | error = so->so_error; |
f4ed5810 | 180 | so->so_error = 0; |
f269ef23 | 181 | splx(s); |
d9c2f47f | 182 | return (error); |
f269ef23 | 183 | } |
5e00df3b | 184 | if (error = falloc(p, &fp, retval)) { |
2b4b57cd | 185 | splx(s); |
d9c2f47f | 186 | return (error); |
cf012934 BJ |
187 | } |
188 | { struct socket *aso = so->so_q; | |
189 | if (soqremque(aso, 1) == 0) | |
190 | panic("accept"); | |
191 | so = aso; | |
2b4b57cd | 192 | } |
4147b3f6 BJ |
193 | fp->f_type = DTYPE_SOCKET; |
194 | fp->f_flag = FREAD|FWRITE; | |
88a7a62a SL |
195 | fp->f_ops = &socketops; |
196 | fp->f_data = (caddr_t)so; | |
cce93e4b | 197 | nam = m_get(M_WAIT, MT_SONAME); |
66f52238 | 198 | (void) soaccept(so, nam); |
cf012934 | 199 | if (uap->name) { |
8ffc8876 | 200 | #ifdef COMPAT_OLDSOCK |
76ffad7c | 201 | if (uap->compat_43) |
f4d2893a MK |
202 | mtod(nam, struct osockaddr *)->sa_family = |
203 | mtod(nam, struct sockaddr *)->sa_family; | |
204 | #endif | |
cf012934 BJ |
205 | if (namelen > nam->m_len) |
206 | namelen = nam->m_len; | |
207 | /* SHOULD COPY OUT A CHAIN HERE */ | |
7a22a33c MK |
208 | if ((error = copyout(mtod(nam, caddr_t), (caddr_t)uap->name, |
209 | (u_int)namelen)) == 0) | |
210 | error = copyout((caddr_t)&namelen, | |
211 | (caddr_t)uap->anamelen, sizeof (*uap->anamelen)); | |
cf012934 BJ |
212 | } |
213 | m_freem(nam); | |
2b4b57cd | 214 | splx(s); |
d9c2f47f | 215 | return (error); |
ae921915 BJ |
216 | } |
217 | ||
85843d69 KM |
218 | /* ARGSUSED */ |
219 | connect(p, uap, retval) | |
220 | struct proc *p; | |
221 | register struct args { | |
cf012934 BJ |
222 | int s; |
223 | caddr_t name; | |
224 | int namelen; | |
85843d69 KM |
225 | } *uap; |
226 | int *retval; | |
227 | { | |
5e00df3b | 228 | struct file *fp; |
c8c7dd0e | 229 | register struct socket *so; |
cf012934 | 230 | struct mbuf *nam; |
27f43765 | 231 | int error, s; |
c8c7dd0e | 232 | |
5e00df3b | 233 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 234 | return (error); |
88a7a62a | 235 | so = (struct socket *)fp->f_data; |
27f43765 | 236 | if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) |
d9c2f47f | 237 | return (EALREADY); |
27f43765 | 238 | if (error = sockargs(&nam, uap->name, uap->namelen, MT_SONAME)) |
d9c2f47f | 239 | return (error); |
27f43765 MK |
240 | error = soconnect(so, nam); |
241 | if (error) | |
cf012934 | 242 | goto bad; |
27f43765 | 243 | if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) { |
6222acc3 | 244 | m_freem(nam); |
d9c2f47f | 245 | return (EINPROGRESS); |
6222acc3 | 246 | } |
c8c7dd0e | 247 | s = splnet(); |
cc15ab5d | 248 | while ((so->so_state & SS_ISCONNECTING) && so->so_error == 0) |
27f43765 MK |
249 | if (error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH, |
250 | netcon, 0)) | |
251 | break; | |
252 | if (error == 0) { | |
253 | error = so->so_error; | |
254 | so->so_error = 0; | |
255 | } | |
cc15ab5d | 256 | splx(s); |
cf012934 | 257 | bad: |
6750daae | 258 | so->so_state &= ~SS_ISCONNECTING; |
cf012934 | 259 | m_freem(nam); |
27f43765 MK |
260 | if (error == ERESTART) |
261 | error = EINTR; | |
d9c2f47f | 262 | return (error); |
c8c7dd0e BJ |
263 | } |
264 | ||
85843d69 KM |
265 | socketpair(p, uap, retval) |
266 | struct proc *p; | |
267 | register struct args { | |
5a48956d SL |
268 | int domain; |
269 | int type; | |
270 | int protocol; | |
271 | int *rsv; | |
85843d69 KM |
272 | } *uap; |
273 | int retval[]; | |
274 | { | |
5e00df3b | 275 | register struct filedesc *fdp = p->p_fd; |
0c9a45f0 | 276 | struct file *fp1, *fp2; |
5a48956d | 277 | struct socket *so1, *so2; |
76ffad7c | 278 | int fd, error, sv[2]; |
cf012934 | 279 | |
76ffad7c | 280 | if (error = socreate(uap->domain, &so1, uap->type, uap->protocol)) |
d9c2f47f | 281 | return (error); |
76ffad7c | 282 | if (error = socreate(uap->domain, &so2, uap->type, uap->protocol)) |
b242cf10 | 283 | goto free1; |
5e00df3b | 284 | if (error = falloc(p, &fp1, &fd)) |
5a48956d | 285 | goto free2; |
0c9a45f0 | 286 | sv[0] = fd; |
5a48956d SL |
287 | fp1->f_flag = FREAD|FWRITE; |
288 | fp1->f_type = DTYPE_SOCKET; | |
289 | fp1->f_ops = &socketops; | |
290 | fp1->f_data = (caddr_t)so1; | |
5e00df3b | 291 | if (error = falloc(p, &fp2, &fd)) |
5a48956d SL |
292 | goto free3; |
293 | fp2->f_flag = FREAD|FWRITE; | |
294 | fp2->f_type = DTYPE_SOCKET; | |
295 | fp2->f_ops = &socketops; | |
296 | fp2->f_data = (caddr_t)so2; | |
0c9a45f0 | 297 | sv[1] = fd; |
76ffad7c | 298 | if (error = soconnect2(so1, so2)) |
5a48956d | 299 | goto free4; |
33446404 MK |
300 | if (uap->type == SOCK_DGRAM) { |
301 | /* | |
302 | * Datagram socket connection is asymmetric. | |
303 | */ | |
76ffad7c | 304 | if (error = soconnect2(so2, so1)) |
33446404 MK |
305 | goto free4; |
306 | } | |
76ffad7c | 307 | error = copyout((caddr_t)sv, (caddr_t)uap->rsv, 2 * sizeof (int)); |
85843d69 KM |
308 | retval[0] = sv[0]; /* XXX ??? */ |
309 | retval[1] = sv[1]; /* XXX ??? */ | |
d9c2f47f | 310 | return (error); |
5a48956d | 311 | free4: |
336f999d | 312 | ffree(fp2); |
994fd74e | 313 | fdp->fd_ofiles[sv[1]] = 0; |
5a48956d | 314 | free3: |
336f999d | 315 | ffree(fp1); |
994fd74e | 316 | fdp->fd_ofiles[sv[0]] = 0; |
5a48956d | 317 | free2: |
8011f5df | 318 | (void)soclose(so2); |
b242cf10 | 319 | free1: |
8011f5df | 320 | (void)soclose(so1); |
d9c2f47f | 321 | return (error); |
cf012934 BJ |
322 | } |
323 | ||
85843d69 KM |
324 | sendto(p, uap, retval) |
325 | struct proc *p; | |
326 | register struct args { | |
cf012934 BJ |
327 | int s; |
328 | caddr_t buf; | |
329 | int len; | |
330 | int flags; | |
331 | caddr_t to; | |
332 | int tolen; | |
85843d69 KM |
333 | } *uap; |
334 | int *retval; | |
335 | { | |
88a7a62a | 336 | struct msghdr msg; |
d3d550b5 | 337 | struct iovec aiov; |
5e00df3b | 338 | int error; |
c8c7dd0e | 339 | |
88a7a62a SL |
340 | msg.msg_name = uap->to; |
341 | msg.msg_namelen = uap->tolen; | |
342 | msg.msg_iov = &aiov; | |
343 | msg.msg_iovlen = 1; | |
27f43765 | 344 | msg.msg_control = 0; |
8ffc8876 | 345 | #ifdef COMPAT_OLDSOCK |
27f43765 MK |
346 | msg.msg_flags = 0; |
347 | #endif | |
cf012934 BJ |
348 | aiov.iov_base = uap->buf; |
349 | aiov.iov_len = uap->len; | |
5e00df3b | 350 | return (sendit(p, uap->s, &msg, uap->flags, retval)); |
c8c7dd0e BJ |
351 | } |
352 | ||
8ffc8876 | 353 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
354 | osend(p, uap, retval) |
355 | struct proc *p; | |
356 | register struct args { | |
cf012934 BJ |
357 | int s; |
358 | caddr_t buf; | |
359 | int len; | |
360 | int flags; | |
85843d69 KM |
361 | } *uap; |
362 | int *retval; | |
363 | { | |
88a7a62a | 364 | struct msghdr msg; |
a6b6f679 | 365 | struct iovec aiov; |
cc15ab5d | 366 | |
88a7a62a SL |
367 | msg.msg_name = 0; |
368 | msg.msg_namelen = 0; | |
369 | msg.msg_iov = &aiov; | |
370 | msg.msg_iovlen = 1; | |
cf012934 BJ |
371 | aiov.iov_base = uap->buf; |
372 | aiov.iov_len = uap->len; | |
6d47a3da | 373 | msg.msg_control = 0; |
27f43765 | 374 | msg.msg_flags = 0; |
5e00df3b | 375 | return (sendit(p, uap->s, &msg, uap->flags, retval)); |
88a7a62a SL |
376 | } |
377 | ||
7a22a33c | 378 | #define MSG_COMPAT 0x8000 |
85843d69 KM |
379 | osendmsg(p, uap, retval) |
380 | struct proc *p; | |
381 | register struct args { | |
6d47a3da MK |
382 | int s; |
383 | caddr_t msg; | |
384 | int flags; | |
85843d69 KM |
385 | } *uap; |
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 | ||
85843d69 KM |
415 | sendmsg(p, uap, retval) |
416 | struct proc *p; | |
417 | register struct args { | |
88a7a62a SL |
418 | int s; |
419 | caddr_t msg; | |
420 | int flags; | |
85843d69 KM |
421 | } *uap; |
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++) { |
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 | 492 | if (mp->msg_controllen < sizeof(struct cmsghdr) |
8ffc8876 | 493 | #ifdef COMPAT_OLDSOCK |
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; |
8ffc8876 | 503 | #ifdef COMPAT_OLDSOCK |
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 | ||
8ffc8876 | 554 | #ifdef COMPAT_OLDSOCK |
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 | |
8ffc8876 | 605 | #ifdef COMPAT_OLDSOCK |
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; | |
8ffc8876 | 699 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
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; |
994fd74e | 742 | auio.uio_procp = p; |
88a7a62a SL |
743 | auio.uio_offset = 0; /* XXX */ |
744 | auio.uio_resid = 0; | |
745 | iov = mp->msg_iov; | |
125c8f95 | 746 | for (i = 0; i < mp->msg_iovlen; i++, iov++) { |
76ffad7c MK |
747 | if (iov->iov_len < 0) |
748 | return (EINVAL); | |
7a22a33c MK |
749 | if ((auio.uio_resid += iov->iov_len) < 0) |
750 | return (EINVAL); | |
88a7a62a | 751 | } |
813b7cd1 | 752 | #ifdef KTRACE |
5e00df3b | 753 | if (KTRPOINT(p, KTR_GENIO)) { |
813b7cd1 MT |
754 | int iovlen = auio.uio_iovcnt * sizeof (struct iovec); |
755 | ||
756 | MALLOC(ktriov, struct iovec *, iovlen, M_TEMP, M_WAITOK); | |
757 | bcopy((caddr_t)auio.uio_iov, (caddr_t)ktriov, iovlen); | |
758 | } | |
759 | #endif | |
88a7a62a | 760 | len = auio.uio_resid; |
76ffad7c | 761 | if (error = soreceive((struct socket *)fp->f_data, &from, &auio, |
7a22a33c | 762 | (struct mbuf **)0, &control, &mp->msg_flags)) { |
76ffad7c MK |
763 | if (auio.uio_resid != len && (error == ERESTART || |
764 | error == EINTR || error == EWOULDBLOCK)) | |
765 | error = 0; | |
766 | } | |
813b7cd1 MT |
767 | #ifdef KTRACE |
768 | if (ktriov != NULL) { | |
769 | if (error == 0) | |
5e00df3b | 770 | ktrgenio(p->p_tracep, s, UIO_READ, |
81ba99b6 | 771 | ktriov, len - auio.uio_resid, error); |
813b7cd1 MT |
772 | FREE(ktriov, M_TEMP); |
773 | } | |
774 | #endif | |
76ffad7c MK |
775 | if (error) |
776 | goto out; | |
85843d69 | 777 | *retsize = len - auio.uio_resid; |
88a7a62a SL |
778 | if (mp->msg_name) { |
779 | len = mp->msg_namelen; | |
780 | if (len <= 0 || from == 0) | |
781 | len = 0; | |
782 | else { | |
8ffc8876 | 783 | #ifdef COMPAT_OLDSOCK |
7a22a33c | 784 | if (mp->msg_flags & MSG_COMPAT) |
f4d2893a MK |
785 | mtod(from, struct osockaddr *)->sa_family = |
786 | mtod(from, struct sockaddr *)->sa_family; | |
787 | #endif | |
7a22a33c | 788 | if (len > from->m_len) |
88a7a62a | 789 | len = from->m_len; |
7a22a33c MK |
790 | /* else if len < from->m_len ??? */ |
791 | if (error = copyout(mtod(from, caddr_t), | |
792 | (caddr_t)mp->msg_name, (unsigned)len)) | |
793 | goto out; | |
88a7a62a | 794 | } |
a2aebb63 | 795 | mp->msg_namelen = len; |
7a22a33c MK |
796 | if (namelenp && |
797 | (error = copyout((caddr_t)&len, namelenp, sizeof (int)))) { | |
8ffc8876 | 798 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
799 | if (mp->msg_flags & MSG_COMPAT) |
800 | error = 0; /* old recvfrom didn't check */ | |
801 | else | |
802 | #endif | |
803 | goto out; | |
88a7a62a | 804 | } |
6d47a3da MK |
805 | } |
806 | if (mp->msg_control) { | |
8ffc8876 | 807 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
808 | /* |
809 | * We assume that old recvmsg calls won't receive access | |
810 | * rights and other control info, esp. as control info | |
811 | * is always optional and those options didn't exist in 4.3. | |
812 | * If we receive rights, trim the cmsghdr; anything else | |
813 | * is tossed. | |
814 | */ | |
815 | if (control && mp->msg_flags & MSG_COMPAT) { | |
816 | if (mtod(control, struct cmsghdr *)->cmsg_level != | |
817 | SOL_SOCKET || | |
818 | mtod(control, struct cmsghdr *)->cmsg_type != | |
819 | SCM_RIGHTS) { | |
820 | mp->msg_controllen = 0; | |
821 | goto out; | |
27f43765 | 822 | } |
7a22a33c MK |
823 | control->m_len -= sizeof (struct cmsghdr); |
824 | control->m_data += sizeof (struct cmsghdr); | |
27f43765 | 825 | } |
7a22a33c | 826 | #endif |
6d47a3da MK |
827 | len = mp->msg_controllen; |
828 | if (len <= 0 || control == 0) | |
829 | len = 0; | |
830 | else { | |
831 | if (len >= control->m_len) | |
832 | len = control->m_len; | |
833 | else | |
834 | mp->msg_flags |= MSG_CTRUNC; | |
7a22a33c | 835 | error = copyout((caddr_t)mtod(control, caddr_t), |
6d47a3da MK |
836 | (caddr_t)mp->msg_control, (unsigned)len); |
837 | } | |
a2aebb63 | 838 | mp->msg_controllen = len; |
88a7a62a | 839 | } |
76ffad7c | 840 | out: |
88a7a62a SL |
841 | if (from) |
842 | m_freem(from); | |
6d47a3da MK |
843 | if (control) |
844 | m_freem(control); | |
76ffad7c | 845 | return (error); |
cf012934 BJ |
846 | } |
847 | ||
85843d69 KM |
848 | /* ARGSUSED */ |
849 | shutdown(p, uap, retval) | |
850 | struct proc *p; | |
851 | register struct args { | |
6ef233bf SL |
852 | int s; |
853 | int how; | |
85843d69 KM |
854 | } *uap; |
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 | ||
85843d69 KM |
865 | /* ARGSUSED */ |
866 | setsockopt(p, uap, retval) | |
867 | struct proc *p; | |
868 | register struct args { | |
66f52238 SL |
869 | int s; |
870 | int level; | |
871 | int name; | |
872 | caddr_t val; | |
873 | int valsize; | |
85843d69 KM |
874 | } *uap; |
875 | int *retval; | |
876 | { | |
66f52238 | 877 | struct file *fp; |
d2cba8de | 878 | struct mbuf *m = NULL; |
76ffad7c | 879 | int error; |
66f52238 | 880 | |
5e00df3b | 881 | if (error = getsock(p->p_fd, uap->s, &fp)) |
d9c2f47f | 882 | return (error); |
76ffad7c | 883 | if (uap->valsize > MLEN) |
d9c2f47f | 884 | return (EINVAL); |
d2cba8de SL |
885 | if (uap->val) { |
886 | m = m_get(M_WAIT, MT_SOOPTS); | |
76ffad7c | 887 | if (m == NULL) |
d9c2f47f | 888 | return (ENOBUFS); |
76ffad7c MK |
889 | if (error = copyin(uap->val, mtod(m, caddr_t), |
890 | (u_int)uap->valsize)) { | |
61ec2127 | 891 | (void) m_free(m); |
d9c2f47f | 892 | return (error); |
61ec2127 | 893 | } |
d2cba8de | 894 | m->m_len = uap->valsize; |
66f52238 | 895 | } |
d9c2f47f | 896 | return (sosetopt((struct socket *)fp->f_data, uap->level, |
76ffad7c | 897 | uap->name, m)); |
66f52238 SL |
898 | } |
899 | ||
85843d69 KM |
900 | /* ARGSUSED */ |
901 | getsockopt(p, uap, retval) | |
902 | struct proc *p; | |
903 | register struct args { | |
66f52238 SL |
904 | int s; |
905 | int level; | |
906 | int name; | |
907 | caddr_t val; | |
908 | int *avalsize; | |
85843d69 KM |
909 | } *uap; |
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 | ||
85843d69 KM |
938 | /* ARGSUSED */ |
939 | pipe(p, uap, retval) | |
940 | struct proc *p; | |
941 | struct args *uap; | |
942 | int retval[]; | |
cf012934 | 943 | { |
5e00df3b | 944 | register struct filedesc *fdp = p->p_fd; |
0c9a45f0 | 945 | struct file *rf, *wf; |
cf012934 | 946 | struct socket *rso, *wso; |
76ffad7c | 947 | int fd, error; |
cf012934 | 948 | |
76ffad7c | 949 | if (error = socreate(AF_UNIX, &rso, SOCK_STREAM, 0)) |
d9c2f47f | 950 | return (error); |
76ffad7c | 951 | if (error = socreate(AF_UNIX, &wso, SOCK_STREAM, 0)) |
b242cf10 | 952 | goto free1; |
5e00df3b | 953 | if (error = falloc(p, &rf, &fd)) |
cf012934 | 954 | goto free2; |
85843d69 | 955 | retval[0] = fd; |
cf012934 BJ |
956 | rf->f_flag = FREAD; |
957 | rf->f_type = DTYPE_SOCKET; | |
88a7a62a SL |
958 | rf->f_ops = &socketops; |
959 | rf->f_data = (caddr_t)rso; | |
5e00df3b | 960 | if (error = falloc(p, &wf, &fd)) |
cf012934 BJ |
961 | goto free3; |
962 | wf->f_flag = FWRITE; | |
963 | wf->f_type = DTYPE_SOCKET; | |
88a7a62a SL |
964 | wf->f_ops = &socketops; |
965 | wf->f_data = (caddr_t)wso; | |
85843d69 | 966 | retval[1] = fd; |
76ffad7c | 967 | if (error = unp_connect2(wso, rso)) |
cf012934 | 968 | goto free4; |
d9c2f47f | 969 | return (0); |
cf012934 | 970 | free4: |
336f999d | 971 | ffree(wf); |
994fd74e | 972 | fdp->fd_ofiles[retval[1]] = 0; |
cf012934 | 973 | free3: |
336f999d | 974 | ffree(rf); |
994fd74e | 975 | fdp->fd_ofiles[retval[0]] = 0; |
cf012934 | 976 | free2: |
8011f5df | 977 | (void)soclose(wso); |
b242cf10 | 978 | free1: |
8011f5df | 979 | (void)soclose(rso); |
d9c2f47f | 980 | return (error); |
cc15ab5d | 981 | } |
a3076b07 BJ |
982 | |
983 | /* | |
70f2eac5 | 984 | * Get socket name. |
a3076b07 | 985 | */ |
8ffc8876 | 986 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
987 | getsockname(p, uap, retval) |
988 | struct proc *p; | |
989 | struct args { | |
76ffad7c MK |
990 | int fdes; |
991 | caddr_t asa; | |
992 | int *alen; | |
993 | int compat_43; | |
85843d69 KM |
994 | } *uap; |
995 | int *retval; | |
996 | { | |
76ffad7c | 997 | |
85843d69 | 998 | uap->compat_43 = 0; |
d9c2f47f | 999 | return (getsockname1(p, uap, retval)); |
f4d2893a MK |
1000 | } |
1001 | ||
85843d69 KM |
1002 | ogetsockname(p, uap, retval) |
1003 | struct proc *p; | |
1004 | struct args { | |
76ffad7c MK |
1005 | int fdes; |
1006 | caddr_t asa; | |
1007 | int *alen; | |
1008 | int compat_43; | |
85843d69 KM |
1009 | } *uap; |
1010 | int *retval; | |
1011 | { | |
76ffad7c | 1012 | |
85843d69 | 1013 | uap->compat_43 = 1; |
d9c2f47f | 1014 | return (getsockname1(p, uap, retval)); |
f4d2893a | 1015 | } |
8ffc8876 | 1016 | #else /* COMPAT_OLDSOCK */ |
f4d2893a | 1017 | |
76ffad7c | 1018 | #define getsockname1 getsockname |
f4d2893a | 1019 | #endif |
76ffad7c | 1020 | |
85843d69 KM |
1021 | /* ARGSUSED */ |
1022 | getsockname1(p, uap, retval) | |
1023 | struct proc *p; | |
1024 | register struct args { | |
a3076b07 | 1025 | int fdes; |
70f2eac5 SL |
1026 | caddr_t asa; |
1027 | int *alen; | |
8ffc8876 | 1028 | #ifdef COMPAT_OLDSOCK |
76ffad7c MK |
1029 | int compat_43; |
1030 | #endif | |
85843d69 KM |
1031 | } *uap; |
1032 | int *retval; | |
1033 | { | |
5e00df3b | 1034 | struct file *fp; |
05d69517 | 1035 | register struct socket *so; |
cf012934 | 1036 | struct mbuf *m; |
76ffad7c | 1037 | int len, error; |
a3076b07 | 1038 | |
5e00df3b | 1039 | if (error = getsock(p->p_fd, uap->fdes, &fp)) |
d9c2f47f | 1040 | return (error); |
76ffad7c | 1041 | if (error = copyin((caddr_t)uap->alen, (caddr_t)&len, sizeof (len))) |
d9c2f47f | 1042 | return (error); |
88a7a62a | 1043 | so = (struct socket *)fp->f_data; |
cce93e4b | 1044 | m = m_getclr(M_WAIT, MT_SONAME); |
76ffad7c | 1045 | if (m == NULL) |
d9c2f47f | 1046 | return (ENOBUFS); |
76ffad7c | 1047 | if (error = (*so->so_proto->pr_usrreq)(so, PRU_SOCKADDR, 0, m, 0)) |
70f2eac5 SL |
1048 | goto bad; |
1049 | if (len > m->m_len) | |
1050 | len = m->m_len; | |
8ffc8876 | 1051 | #ifdef COMPAT_OLDSOCK |
76ffad7c | 1052 | if (uap->compat_43) |
f4d2893a MK |
1053 | mtod(m, struct osockaddr *)->sa_family = |
1054 | mtod(m, struct sockaddr *)->sa_family; | |
1055 | #endif | |
76ffad7c MK |
1056 | error = copyout(mtod(m, caddr_t), (caddr_t)uap->asa, (u_int)len); |
1057 | if (error == 0) | |
1058 | error = copyout((caddr_t)&len, (caddr_t)uap->alen, | |
f4d2893a | 1059 | sizeof (len)); |
cf012934 BJ |
1060 | bad: |
1061 | m_freem(m); | |
d9c2f47f | 1062 | return (error); |
cf012934 BJ |
1063 | } |
1064 | ||
f4d2893a MK |
1065 | /* |
1066 | * Get name of peer for connected socket. | |
1067 | */ | |
8ffc8876 | 1068 | #ifdef COMPAT_OLDSOCK |
85843d69 KM |
1069 | getpeername(p, uap, retval) |
1070 | struct proc *p; | |
1071 | struct args { | |
76ffad7c MK |
1072 | int fdes; |
1073 | caddr_t asa; | |
1074 | int *alen; | |
1075 | int compat_43; | |
85843d69 KM |
1076 | } *uap; |
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; | |
1086 | struct args { | |
76ffad7c MK |
1087 | int fdes; |
1088 | caddr_t asa; | |
1089 | int *alen; | |
1090 | int compat_43; | |
85843d69 KM |
1091 | } *uap; |
1092 | int *retval; | |
1093 | { | |
76ffad7c | 1094 | |
85843d69 | 1095 | uap->compat_43 = 1; |
d9c2f47f | 1096 | return (getpeername1(p, uap, retval)); |
f4d2893a | 1097 | } |
8ffc8876 | 1098 | #else /* COMPAT_OLDSOCK */ |
f4d2893a | 1099 | |
76ffad7c | 1100 | #define getpeername1 getpeername |
f4d2893a | 1101 | #endif |
76ffad7c | 1102 | |
85843d69 KM |
1103 | /* ARGSUSED */ |
1104 | getpeername1(p, uap, retval) | |
1105 | struct proc *p; | |
1106 | register struct args { | |
a7343092 SL |
1107 | int fdes; |
1108 | caddr_t asa; | |
1109 | int *alen; | |
8ffc8876 | 1110 | #ifdef COMPAT_OLDSOCK |
76ffad7c MK |
1111 | int compat_43; |
1112 | #endif | |
85843d69 KM |
1113 | } *uap; |
1114 | int *retval; | |
1115 | { | |
5e00df3b | 1116 | struct file *fp; |
a7343092 SL |
1117 | register struct socket *so; |
1118 | struct mbuf *m; | |
76ffad7c | 1119 | int len, error; |
a7343092 | 1120 | |
5e00df3b | 1121 | if (error = getsock(p->p_fd, uap->fdes, &fp)) |
d9c2f47f | 1122 | return (error); |
a7343092 | 1123 | so = (struct socket *)fp->f_data; |
76ffad7c | 1124 | if ((so->so_state & (SS_ISCONNECTED|SS_ISCONFIRMING)) == 0) |
d9c2f47f | 1125 | return (ENOTCONN); |
a7343092 | 1126 | m = m_getclr(M_WAIT, MT_SONAME); |
76ffad7c | 1127 | if (m == NULL) |
d9c2f47f | 1128 | return (ENOBUFS); |
76ffad7c | 1129 | if (error = copyin((caddr_t)uap->alen, (caddr_t)&len, sizeof (len))) |
d9c2f47f | 1130 | return (error); |
76ffad7c | 1131 | if (error = (*so->so_proto->pr_usrreq)(so, PRU_PEERADDR, 0, m, 0)) |
a7343092 SL |
1132 | goto bad; |
1133 | if (len > m->m_len) | |
1134 | len = m->m_len; | |
8ffc8876 | 1135 | #ifdef COMPAT_OLDSOCK |
76ffad7c | 1136 | if (uap->compat_43) |
f4d2893a MK |
1137 | mtod(m, struct osockaddr *)->sa_family = |
1138 | mtod(m, struct sockaddr *)->sa_family; | |
1139 | #endif | |
76ffad7c | 1140 | if (error = copyout(mtod(m, caddr_t), (caddr_t)uap->asa, (u_int)len)) |
a7343092 | 1141 | goto bad; |
76ffad7c | 1142 | error = copyout((caddr_t)&len, (caddr_t)uap->alen, sizeof (len)); |
a7343092 SL |
1143 | bad: |
1144 | m_freem(m); | |
d9c2f47f | 1145 | return (error); |
a7343092 SL |
1146 | } |
1147 | ||
7a22a33c MK |
1148 | sockargs(mp, buf, buflen, type) |
1149 | struct mbuf **mp; | |
1150 | caddr_t buf; | |
1151 | int buflen, type; | |
cf012934 | 1152 | { |
1d123e2b | 1153 | register struct sockaddr *sa; |
cf012934 | 1154 | register struct mbuf *m; |
127f7d76 | 1155 | int error; |
cf012934 | 1156 | |
7a22a33c | 1157 | if ((u_int)buflen > MLEN) { |
8ffc8876 | 1158 | #ifdef COMPAT_OLDSOCK |
7a22a33c MK |
1159 | if (type == MT_SONAME && (u_int)buflen <= 112) |
1160 | buflen = MLEN; /* unix domain compat. hack */ | |
3eb6310a MK |
1161 | else |
1162 | #endif | |
cf012934 | 1163 | return (EINVAL); |
3eb6310a | 1164 | } |
98447d3f | 1165 | m = m_get(M_WAIT, type); |
7c52d753 SL |
1166 | if (m == NULL) |
1167 | return (ENOBUFS); | |
7a22a33c MK |
1168 | m->m_len = buflen; |
1169 | error = copyin(buf, mtod(m, caddr_t), (u_int)buflen); | |
127f7d76 | 1170 | if (error) |
cf012934 | 1171 | (void) m_free(m); |
1d123e2b | 1172 | else { |
7a22a33c | 1173 | *mp = m; |
1d123e2b KB |
1174 | if (type == MT_SONAME) { |
1175 | sa = mtod(m, struct sockaddr *); | |
76ffad7c | 1176 | |
8ffc8876 | 1177 | #if defined(COMPAT_OLDSOCK) && BYTE_ORDER != BIG_ENDIAN |
1d123e2b KB |
1178 | if (sa->sa_family == 0 && sa->sa_len < AF_MAX) |
1179 | sa->sa_family = sa->sa_len; | |
f4d2893a | 1180 | #endif |
1d123e2b KB |
1181 | sa->sa_len = buflen; |
1182 | } | |
a2aebb63 | 1183 | } |
127f7d76 | 1184 | return (error); |
cf012934 | 1185 | } |
88a7a62a | 1186 | |
5e00df3b KM |
1187 | getsock(fdp, fdes, fpp) |
1188 | struct filedesc *fdp; | |
1189 | int fdes; | |
1190 | struct file **fpp; | |
88a7a62a SL |
1191 | { |
1192 | register struct file *fp; | |
1193 | ||
8429d022 | 1194 | if ((unsigned)fdes >= fdp->fd_nfiles || |
994fd74e | 1195 | (fp = fdp->fd_ofiles[fdes]) == NULL) |
5e00df3b KM |
1196 | return (EBADF); |
1197 | if (fp->f_type != DTYPE_SOCKET) | |
1198 | return (ENOTSOCK); | |
1199 | *fpp = fp; | |
1200 | return (0); | |
88a7a62a | 1201 | } |