[96b39164] | 1 | /* |
---|
| 2 | * $Id$ |
---|
| 3 | */ |
---|
| 4 | |
---|
[39e6e65a] | 5 | #include <string.h> |
---|
| 6 | #include <stdarg.h> |
---|
[ff0f694d] | 7 | #include <stdlib.h> |
---|
[39e6e65a] | 8 | #include <stdio.h> |
---|
| 9 | |
---|
| 10 | #include <rtems.h> |
---|
| 11 | #include <rtems/libio.h> |
---|
| 12 | #include <rtems/error.h> |
---|
| 13 | #include <rtems/rtems_bsdnet.h> |
---|
| 14 | |
---|
| 15 | #include <sys/errno.h> |
---|
| 16 | #include <sys/types.h> |
---|
| 17 | #include <sys/param.h> |
---|
| 18 | #include <sys/mbuf.h> |
---|
| 19 | #include <sys/socket.h> |
---|
| 20 | #include <sys/socketvar.h> |
---|
| 21 | #include <sys/protosw.h> |
---|
| 22 | #include <sys/proc.h> |
---|
| 23 | #include <sys/filio.h> |
---|
| 24 | |
---|
| 25 | #include <net/if.h> |
---|
| 26 | #include <net/route.h> |
---|
| 27 | |
---|
| 28 | /* |
---|
| 29 | * Package system call argument into mbuf. |
---|
| 30 | */ |
---|
| 31 | static int |
---|
| 32 | sockargstombuf (struct mbuf **mp, const void *buf, int buflen, int type) |
---|
| 33 | { |
---|
| 34 | struct mbuf *m; |
---|
| 35 | |
---|
| 36 | if ((u_int)buflen > MLEN) |
---|
| 37 | return (EINVAL); |
---|
| 38 | m = m_get(M_WAIT, type); |
---|
| 39 | if (m == NULL) |
---|
| 40 | return (ENOBUFS); |
---|
| 41 | m->m_len = buflen; |
---|
| 42 | memcpy (mtod(m, caddr_t), buf, buflen); |
---|
| 43 | *mp = m; |
---|
| 44 | if (type == MT_SONAME) { |
---|
| 45 | struct sockaddr *sa; |
---|
| 46 | sa = mtod(m, struct sockaddr *); |
---|
| 47 | sa->sa_len = buflen; |
---|
| 48 | } |
---|
| 49 | return 0; |
---|
| 50 | } |
---|
| 51 | |
---|
| 52 | /* |
---|
| 53 | ********************************************************************* |
---|
| 54 | * BSD-style entry points * |
---|
| 55 | ********************************************************************* |
---|
| 56 | */ |
---|
| 57 | int |
---|
| 58 | socket (int domain, int type, int protocol) |
---|
| 59 | { |
---|
[cca4400] | 60 | int fd; |
---|
[39e6e65a] | 61 | int error; |
---|
| 62 | struct socket *so; |
---|
| 63 | |
---|
| 64 | rtems_bsdnet_semaphore_obtain (); |
---|
| 65 | error = socreate(domain, &so, type, protocol, NULL); |
---|
| 66 | if (error == 0) { |
---|
[cca4400] | 67 | fd = rtems_bsdnet_makeFdForSocket (so); |
---|
[39e6e65a] | 68 | if (fd < 0) |
---|
| 69 | soclose (so); |
---|
| 70 | } |
---|
| 71 | else { |
---|
| 72 | errno = error; |
---|
| 73 | fd = -1; |
---|
| 74 | } |
---|
| 75 | rtems_bsdnet_semaphore_release (); |
---|
| 76 | return fd; |
---|
| 77 | } |
---|
| 78 | |
---|
| 79 | int |
---|
| 80 | bind (int s, struct sockaddr *name, int namelen) |
---|
| 81 | { |
---|
| 82 | int error; |
---|
| 83 | int ret = -1; |
---|
| 84 | struct socket *so; |
---|
| 85 | struct mbuf *nam; |
---|
| 86 | |
---|
| 87 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 88 | if ((so = rtems_bsdnet_fdToSocket (s)) != NULL) { |
---|
[39e6e65a] | 89 | error = sockargstombuf (&nam, name, namelen, MT_SONAME); |
---|
| 90 | if (error == 0) { |
---|
| 91 | error = sobind (so, nam); |
---|
| 92 | if (error == 0) |
---|
| 93 | ret = 0; |
---|
| 94 | else |
---|
| 95 | errno = error; |
---|
| 96 | m_freem (nam); |
---|
| 97 | } |
---|
| 98 | else { |
---|
| 99 | errno = error; |
---|
| 100 | } |
---|
| 101 | } |
---|
| 102 | rtems_bsdnet_semaphore_release (); |
---|
| 103 | return ret; |
---|
| 104 | } |
---|
| 105 | |
---|
| 106 | int |
---|
| 107 | connect (int s, struct sockaddr *name, int namelen) |
---|
| 108 | { |
---|
| 109 | int error; |
---|
| 110 | int ret = -1; |
---|
| 111 | struct socket *so; |
---|
| 112 | struct mbuf *nam; |
---|
| 113 | |
---|
| 114 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 115 | if ((so = rtems_bsdnet_fdToSocket (s)) == NULL) { |
---|
[39e6e65a] | 116 | rtems_bsdnet_semaphore_release (); |
---|
| 117 | return -1; |
---|
| 118 | } |
---|
| 119 | if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) { |
---|
| 120 | errno = EALREADY; |
---|
| 121 | rtems_bsdnet_semaphore_release (); |
---|
| 122 | return -1; |
---|
| 123 | } |
---|
| 124 | error = sockargstombuf (&nam, name, namelen, MT_SONAME); |
---|
| 125 | if (error) { |
---|
| 126 | errno = error; |
---|
| 127 | rtems_bsdnet_semaphore_release (); |
---|
| 128 | return -1; |
---|
| 129 | } |
---|
| 130 | error = soconnect (so, nam); |
---|
| 131 | if (error) { |
---|
| 132 | errno = error; |
---|
| 133 | rtems_bsdnet_semaphore_release (); |
---|
| 134 | return -1; |
---|
| 135 | } |
---|
| 136 | if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) { |
---|
| 137 | m_freem(nam); |
---|
| 138 | errno = EINPROGRESS; |
---|
| 139 | rtems_bsdnet_semaphore_release (); |
---|
| 140 | return -1; |
---|
| 141 | } |
---|
| 142 | while ((so->so_state & SS_ISCONNECTING) && so->so_error == 0) { |
---|
[91b1c8e6] | 143 | so->so_error = soconnsleep (so); |
---|
[39e6e65a] | 144 | } |
---|
| 145 | if (error == 0) { |
---|
| 146 | error = so->so_error; |
---|
| 147 | so->so_error = 0; |
---|
| 148 | } |
---|
| 149 | so->so_state &= ~SS_ISCONNECTING; |
---|
| 150 | m_freem (nam); |
---|
| 151 | if (error == 0) |
---|
| 152 | ret = 0; |
---|
| 153 | rtems_bsdnet_semaphore_release (); |
---|
| 154 | return ret; |
---|
| 155 | } |
---|
| 156 | |
---|
| 157 | int |
---|
| 158 | listen (int s, int backlog) |
---|
| 159 | { |
---|
| 160 | int error; |
---|
| 161 | int ret = -1; |
---|
| 162 | struct socket *so; |
---|
| 163 | |
---|
| 164 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 165 | if ((so = rtems_bsdnet_fdToSocket (s)) != NULL) { |
---|
[39e6e65a] | 166 | error = solisten (so, backlog); |
---|
| 167 | if (error == 0) |
---|
| 168 | ret = 0; |
---|
| 169 | else |
---|
| 170 | errno = error; |
---|
| 171 | } |
---|
| 172 | rtems_bsdnet_semaphore_release (); |
---|
| 173 | return ret; |
---|
| 174 | } |
---|
| 175 | |
---|
| 176 | int |
---|
| 177 | accept (int s, struct sockaddr *name, int *namelen) |
---|
| 178 | { |
---|
| 179 | int fd; |
---|
| 180 | struct socket *head, *so; |
---|
| 181 | struct mbuf *nam; |
---|
| 182 | |
---|
| 183 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 184 | if ((head = rtems_bsdnet_fdToSocket (s)) == NULL) { |
---|
[39e6e65a] | 185 | rtems_bsdnet_semaphore_release (); |
---|
| 186 | return -1; |
---|
| 187 | } |
---|
| 188 | if ((head->so_options & SO_ACCEPTCONN) == 0) { |
---|
| 189 | errno = EINVAL; |
---|
| 190 | rtems_bsdnet_semaphore_release (); |
---|
| 191 | return -1; |
---|
| 192 | } |
---|
| 193 | if ((head->so_state & SS_NBIO) && head->so_comp.tqh_first == NULL) { |
---|
| 194 | errno = EWOULDBLOCK; |
---|
| 195 | rtems_bsdnet_semaphore_release (); |
---|
| 196 | return -1; |
---|
| 197 | } |
---|
| 198 | while (head->so_comp.tqh_first == NULL && head->so_error == 0) { |
---|
| 199 | if (head->so_state & SS_CANTRCVMORE) { |
---|
| 200 | head->so_error = ECONNABORTED; |
---|
| 201 | break; |
---|
| 202 | } |
---|
[91b1c8e6] | 203 | head->so_error = soconnsleep (head); |
---|
[39e6e65a] | 204 | } |
---|
| 205 | if (head->so_error) { |
---|
| 206 | errno = head->so_error; |
---|
| 207 | head->so_error = 0; |
---|
| 208 | rtems_bsdnet_semaphore_release (); |
---|
| 209 | return -1; |
---|
| 210 | } |
---|
| 211 | |
---|
| 212 | so = head->so_comp.tqh_first; |
---|
| 213 | TAILQ_REMOVE(&head->so_comp, so, so_list); |
---|
| 214 | head->so_qlen--; |
---|
| 215 | |
---|
[cca4400] | 216 | fd = rtems_bsdnet_makeFdForSocket (so); |
---|
[39e6e65a] | 217 | if (fd < 0) { |
---|
| 218 | TAILQ_INSERT_HEAD(&head->so_comp, so, so_list); |
---|
| 219 | head->so_qlen++; |
---|
| 220 | soconnwakeup (head); |
---|
| 221 | rtems_bsdnet_semaphore_release (); |
---|
| 222 | return -1; |
---|
| 223 | } |
---|
| 224 | so->so_state &= ~SS_COMP; |
---|
| 225 | so->so_head = NULL; |
---|
| 226 | |
---|
| 227 | nam = m_get(M_WAIT, MT_SONAME); |
---|
| 228 | (void) soaccept(so, nam); |
---|
| 229 | if (name) { |
---|
| 230 | /* check length before it is destroyed */ |
---|
| 231 | if (*namelen > nam->m_len) |
---|
| 232 | *namelen = nam->m_len; |
---|
| 233 | memcpy (name, mtod(nam, caddr_t), *namelen); |
---|
| 234 | } |
---|
| 235 | m_freem(nam); |
---|
| 236 | rtems_bsdnet_semaphore_release (); |
---|
| 237 | return (fd); |
---|
| 238 | |
---|
| 239 | } |
---|
| 240 | |
---|
| 241 | /* |
---|
| 242 | * All `transmit' operations end up calling this routine. |
---|
| 243 | */ |
---|
| 244 | ssize_t |
---|
| 245 | sendmsg (int s, const struct msghdr *mp, int flags) |
---|
| 246 | { |
---|
| 247 | int ret = -1; |
---|
| 248 | int error; |
---|
| 249 | struct uio auio; |
---|
| 250 | struct iovec *iov; |
---|
| 251 | struct socket *so; |
---|
| 252 | struct mbuf *to, *control; |
---|
| 253 | int i; |
---|
| 254 | int len; |
---|
| 255 | |
---|
| 256 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 257 | if ((so = rtems_bsdnet_fdToSocket (s)) == NULL) { |
---|
[39e6e65a] | 258 | rtems_bsdnet_semaphore_release (); |
---|
| 259 | return -1; |
---|
| 260 | } |
---|
| 261 | auio.uio_iov = mp->msg_iov; |
---|
| 262 | auio.uio_iovcnt = mp->msg_iovlen; |
---|
| 263 | auio.uio_segflg = UIO_USERSPACE; |
---|
| 264 | auio.uio_rw = UIO_WRITE; |
---|
| 265 | auio.uio_offset = 0; |
---|
| 266 | auio.uio_resid = 0; |
---|
| 267 | iov = mp->msg_iov; |
---|
| 268 | for (i = 0; i < mp->msg_iovlen; i++, iov++) { |
---|
| 269 | if ((auio.uio_resid += iov->iov_len) < 0) { |
---|
| 270 | errno = EINVAL; |
---|
| 271 | rtems_bsdnet_semaphore_release (); |
---|
| 272 | return -1; |
---|
| 273 | } |
---|
| 274 | } |
---|
| 275 | if (mp->msg_name) { |
---|
| 276 | error = sockargstombuf (&to, mp->msg_name, mp->msg_namelen, MT_SONAME); |
---|
| 277 | if (error) { |
---|
| 278 | errno = error; |
---|
| 279 | rtems_bsdnet_semaphore_release (); |
---|
| 280 | return -1; |
---|
| 281 | } |
---|
| 282 | } |
---|
| 283 | else { |
---|
| 284 | to = NULL; |
---|
| 285 | } |
---|
| 286 | if (mp->msg_control) { |
---|
| 287 | if (mp->msg_controllen < sizeof (struct cmsghdr)) { |
---|
| 288 | errno = EINVAL; |
---|
| 289 | if (to) |
---|
| 290 | m_freem(to); |
---|
| 291 | rtems_bsdnet_semaphore_release (); |
---|
| 292 | return -1; |
---|
| 293 | } |
---|
| 294 | sockargstombuf (&control, mp->msg_control, mp->msg_controllen, MT_CONTROL); |
---|
| 295 | } |
---|
| 296 | else { |
---|
| 297 | control = NULL; |
---|
| 298 | } |
---|
| 299 | len = auio.uio_resid; |
---|
| 300 | error = sosend (so, to, &auio, (struct mbuf *)0, control, flags); |
---|
| 301 | if (error) { |
---|
| 302 | if (auio.uio_resid != len && (error == EINTR || error == EWOULDBLOCK)) |
---|
| 303 | error = 0; |
---|
| 304 | } |
---|
| 305 | if (error) |
---|
| 306 | errno = error; |
---|
| 307 | else |
---|
| 308 | ret = len - auio.uio_resid; |
---|
| 309 | if (to) |
---|
| 310 | m_freem(to); |
---|
| 311 | rtems_bsdnet_semaphore_release (); |
---|
| 312 | return (ret); |
---|
| 313 | } |
---|
| 314 | |
---|
| 315 | /* |
---|
| 316 | * Send a message to a host |
---|
| 317 | */ |
---|
| 318 | ssize_t |
---|
| 319 | sendto (int s, const void *buf, size_t buflen, int flags, const struct sockaddr *to, int tolen) |
---|
| 320 | { |
---|
| 321 | struct msghdr msg; |
---|
| 322 | struct iovec iov; |
---|
| 323 | |
---|
| 324 | iov.iov_base = (void *)buf; |
---|
| 325 | iov.iov_len = buflen; |
---|
| 326 | msg.msg_name = (caddr_t)to; |
---|
| 327 | msg.msg_namelen = tolen; |
---|
| 328 | msg.msg_iov = &iov; |
---|
| 329 | msg.msg_iovlen = 1; |
---|
| 330 | msg.msg_control = NULL; |
---|
| 331 | msg.msg_controllen = 0; |
---|
| 332 | return sendmsg (s, &msg, flags); |
---|
| 333 | } |
---|
| 334 | |
---|
| 335 | /* |
---|
| 336 | * Send a message to a connected host |
---|
| 337 | */ |
---|
| 338 | ssize_t |
---|
| 339 | send (int s, const void *buf, size_t buflen, int flags) |
---|
| 340 | { |
---|
| 341 | return sendto (s, buf, buflen, flags, NULL, 0); |
---|
| 342 | } |
---|
| 343 | |
---|
| 344 | /* |
---|
| 345 | * All `receive' operations end up calling this routine. |
---|
| 346 | */ |
---|
| 347 | ssize_t |
---|
| 348 | recvmsg (int s, struct msghdr *mp, int flags) |
---|
| 349 | { |
---|
| 350 | int ret = -1; |
---|
| 351 | int error; |
---|
| 352 | struct uio auio; |
---|
| 353 | struct iovec *iov; |
---|
| 354 | struct socket *so; |
---|
| 355 | struct mbuf *from = NULL, *control = NULL; |
---|
| 356 | int i; |
---|
| 357 | int len; |
---|
| 358 | |
---|
| 359 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 360 | if ((so = rtems_bsdnet_fdToSocket (s)) == NULL) { |
---|
[39e6e65a] | 361 | rtems_bsdnet_semaphore_release (); |
---|
| 362 | return -1; |
---|
| 363 | } |
---|
| 364 | auio.uio_iov = mp->msg_iov; |
---|
| 365 | auio.uio_iovcnt = mp->msg_iovlen; |
---|
| 366 | auio.uio_segflg = UIO_USERSPACE; |
---|
| 367 | auio.uio_rw = UIO_READ; |
---|
| 368 | auio.uio_offset = 0; |
---|
| 369 | auio.uio_resid = 0; |
---|
| 370 | iov = mp->msg_iov; |
---|
| 371 | for (i = 0; i < mp->msg_iovlen; i++, iov++) { |
---|
| 372 | if ((auio.uio_resid += iov->iov_len) < 0) { |
---|
| 373 | errno = EINVAL; |
---|
| 374 | rtems_bsdnet_semaphore_release (); |
---|
| 375 | return -1; |
---|
| 376 | } |
---|
| 377 | } |
---|
| 378 | len = auio.uio_resid; |
---|
| 379 | mp->msg_flags = flags; |
---|
| 380 | error = soreceive (so, &from, &auio, (struct mbuf **)NULL, |
---|
| 381 | mp->msg_control ? &control : (struct mbuf **)NULL, |
---|
| 382 | &mp->msg_flags); |
---|
| 383 | if (error) { |
---|
| 384 | if (auio.uio_resid != len && (error == EINTR || error == EWOULDBLOCK)) |
---|
| 385 | error = 0; |
---|
| 386 | } |
---|
| 387 | if (error) { |
---|
| 388 | errno = error; |
---|
| 389 | } |
---|
| 390 | else { |
---|
| 391 | ret = len - auio.uio_resid; |
---|
| 392 | if (mp->msg_name) { |
---|
| 393 | len = mp->msg_namelen; |
---|
| 394 | if ((len <= 0) || (from == NULL)) { |
---|
| 395 | len = 0; |
---|
| 396 | } |
---|
| 397 | else { |
---|
| 398 | if (len > from->m_len) |
---|
| 399 | len = from->m_len; |
---|
| 400 | memcpy (mp->msg_name, mtod(from, caddr_t), len); |
---|
| 401 | } |
---|
| 402 | mp->msg_namelen = len; |
---|
| 403 | } |
---|
| 404 | if (mp->msg_control) { |
---|
| 405 | struct mbuf *m; |
---|
| 406 | caddr_t ctlbuf; |
---|
| 407 | |
---|
| 408 | len = mp->msg_controllen; |
---|
| 409 | m = control; |
---|
| 410 | mp->msg_controllen = 0; |
---|
| 411 | ctlbuf = (caddr_t) mp->msg_control; |
---|
| 412 | |
---|
| 413 | while (m && (len > 0)) { |
---|
| 414 | unsigned int tocopy; |
---|
| 415 | |
---|
| 416 | if (len >= m->m_len) |
---|
| 417 | tocopy = m->m_len; |
---|
| 418 | else { |
---|
| 419 | mp->msg_flags |= MSG_CTRUNC; |
---|
| 420 | tocopy = len; |
---|
| 421 | } |
---|
| 422 | memcpy(ctlbuf, mtod(m, caddr_t), tocopy); |
---|
| 423 | ctlbuf += tocopy; |
---|
| 424 | len -= tocopy; |
---|
| 425 | m = m->m_next; |
---|
| 426 | } |
---|
| 427 | mp->msg_controllen = ctlbuf - mp->msg_control; |
---|
| 428 | } |
---|
| 429 | } |
---|
| 430 | if (from) |
---|
| 431 | m_freem (from); |
---|
| 432 | if (control) |
---|
| 433 | m_freem (control); |
---|
| 434 | rtems_bsdnet_semaphore_release (); |
---|
| 435 | return (ret); |
---|
| 436 | } |
---|
| 437 | |
---|
| 438 | /* |
---|
| 439 | * Receive a message from a host |
---|
| 440 | */ |
---|
| 441 | ssize_t |
---|
| 442 | recvfrom (int s, void *buf, size_t buflen, int flags, const struct sockaddr *from, int *fromlen) |
---|
| 443 | { |
---|
| 444 | struct msghdr msg; |
---|
| 445 | struct iovec iov; |
---|
| 446 | int ret; |
---|
| 447 | |
---|
| 448 | iov.iov_base = buf; |
---|
| 449 | iov.iov_len = buflen; |
---|
| 450 | msg.msg_name = (caddr_t)from; |
---|
| 451 | msg.msg_namelen = *fromlen; |
---|
| 452 | msg.msg_iov = &iov; |
---|
| 453 | msg.msg_iovlen = 1; |
---|
| 454 | msg.msg_control = NULL; |
---|
| 455 | msg.msg_controllen = 0; |
---|
| 456 | ret = recvmsg (s, &msg, flags); |
---|
| 457 | if ((from != NULL) && (fromlen != NULL) && (ret >= 0)) |
---|
| 458 | *fromlen = msg.msg_namelen; |
---|
| 459 | return ret; |
---|
| 460 | } |
---|
| 461 | |
---|
| 462 | /* |
---|
| 463 | * Receive a message from a connected host |
---|
| 464 | */ |
---|
| 465 | ssize_t |
---|
| 466 | recv (int s, void *buf, size_t buflen, int flags) |
---|
| 467 | { |
---|
| 468 | return recvfrom (s, buf, buflen, flags, NULL, NULL); |
---|
| 469 | } |
---|
| 470 | |
---|
| 471 | int |
---|
| 472 | setsockopt (int s, int level, int name, const void *val, int len) |
---|
| 473 | { |
---|
| 474 | struct socket *so; |
---|
| 475 | struct mbuf *m = NULL; |
---|
| 476 | int error; |
---|
| 477 | |
---|
| 478 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 479 | if ((so = rtems_bsdnet_fdToSocket (s)) == NULL) { |
---|
[39e6e65a] | 480 | rtems_bsdnet_semaphore_release (); |
---|
| 481 | return -1; |
---|
| 482 | } |
---|
| 483 | if (len > MLEN) { |
---|
| 484 | errno = EINVAL; |
---|
| 485 | rtems_bsdnet_semaphore_release (); |
---|
| 486 | return -1; |
---|
| 487 | } |
---|
| 488 | if (val) { |
---|
| 489 | error = sockargstombuf (&m, val, len, MT_SOOPTS); |
---|
| 490 | if (error) { |
---|
| 491 | errno = error; |
---|
| 492 | rtems_bsdnet_semaphore_release (); |
---|
| 493 | return -1; |
---|
| 494 | } |
---|
| 495 | } |
---|
| 496 | error = sosetopt(so, level, name, m); |
---|
| 497 | if (error) { |
---|
| 498 | errno = error; |
---|
| 499 | rtems_bsdnet_semaphore_release (); |
---|
| 500 | return -1; |
---|
| 501 | } |
---|
| 502 | rtems_bsdnet_semaphore_release (); |
---|
| 503 | return 0; |
---|
| 504 | } |
---|
| 505 | |
---|
| 506 | int |
---|
| 507 | getsockopt (int s, int level, int name, void *aval, int *avalsize) |
---|
| 508 | { |
---|
| 509 | struct socket *so; |
---|
| 510 | struct mbuf *m = NULL, *m0; |
---|
| 511 | char *val = aval; |
---|
| 512 | int i, op, valsize; |
---|
| 513 | int error; |
---|
| 514 | |
---|
| 515 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 516 | if ((so = rtems_bsdnet_fdToSocket (s)) == NULL) { |
---|
[39e6e65a] | 517 | rtems_bsdnet_semaphore_release (); |
---|
| 518 | return -1; |
---|
| 519 | } |
---|
| 520 | if (val) |
---|
| 521 | valsize = *avalsize; |
---|
| 522 | else |
---|
| 523 | valsize = 0; |
---|
| 524 | if (((error = sogetopt(so, level, name, &m)) == 0) && val && valsize && m) { |
---|
| 525 | op = 0; |
---|
| 526 | while (m && op < valsize) { |
---|
| 527 | i = valsize - op; |
---|
| 528 | if (i > m->m_len) |
---|
| 529 | i = m->m_len; |
---|
| 530 | memcpy (val, mtod(m, caddr_t), i); |
---|
| 531 | op += i; |
---|
| 532 | val += i; |
---|
| 533 | m0 = m; |
---|
| 534 | MFREE (m0, m); |
---|
| 535 | } |
---|
| 536 | *avalsize = op; |
---|
| 537 | } |
---|
| 538 | if (m != NULL) |
---|
| 539 | (void) m_free(m); |
---|
| 540 | if (error) { |
---|
| 541 | errno = error; |
---|
| 542 | rtems_bsdnet_semaphore_release (); |
---|
| 543 | return -1; |
---|
| 544 | } |
---|
| 545 | rtems_bsdnet_semaphore_release (); |
---|
| 546 | return 0; |
---|
| 547 | } |
---|
| 548 | |
---|
[28e7d7fa] | 549 | static int |
---|
| 550 | getpeersockname (int s, struct sockaddr *name, int *namelen, int pflag) |
---|
[39e6e65a] | 551 | { |
---|
| 552 | struct socket *so; |
---|
| 553 | struct mbuf *m; |
---|
| 554 | int len = *namelen; |
---|
| 555 | int error; |
---|
| 556 | |
---|
| 557 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 558 | if ((so = rtems_bsdnet_fdToSocket (s)) == NULL) { |
---|
[39e6e65a] | 559 | rtems_bsdnet_semaphore_release (); |
---|
| 560 | return -1; |
---|
| 561 | } |
---|
| 562 | m = m_getclr(M_WAIT, MT_SONAME); |
---|
| 563 | if (m == NULL) { |
---|
| 564 | errno = ENOBUFS; |
---|
| 565 | rtems_bsdnet_semaphore_release (); |
---|
| 566 | return -1; |
---|
| 567 | } |
---|
[28e7d7fa] | 568 | if (pflag) |
---|
| 569 | error = (*so->so_proto->pr_usrreqs->pru_peeraddr)(so, m); |
---|
| 570 | else |
---|
| 571 | error = (*so->so_proto->pr_usrreqs->pru_sockaddr)(so, m); |
---|
[39e6e65a] | 572 | if (error) { |
---|
| 573 | errno = error; |
---|
| 574 | rtems_bsdnet_semaphore_release (); |
---|
| 575 | return -1; |
---|
| 576 | } |
---|
| 577 | if (len > m->m_len) { |
---|
| 578 | len = m->m_len; |
---|
| 579 | *namelen = len; |
---|
| 580 | } |
---|
| 581 | memcpy (name, mtod(m, caddr_t), len); |
---|
| 582 | m_freem (m); |
---|
| 583 | rtems_bsdnet_semaphore_release (); |
---|
| 584 | return 0; |
---|
| 585 | } |
---|
| 586 | |
---|
[28e7d7fa] | 587 | int |
---|
| 588 | getpeername (int s, struct sockaddr *name, int *namelen) |
---|
| 589 | { |
---|
| 590 | return getpeersockname (s, name, namelen, 1); |
---|
| 591 | } |
---|
| 592 | int |
---|
| 593 | getsockname (int s, struct sockaddr *name, int *namelen) |
---|
| 594 | { |
---|
| 595 | return getpeersockname (s, name, namelen, 0); |
---|
| 596 | } |
---|
| 597 | |
---|
[39e6e65a] | 598 | /* |
---|
| 599 | ************************************************************************ |
---|
| 600 | * RTEMS EXTERNAL I/O HANDLER ROUTINES * |
---|
| 601 | ************************************************************************ |
---|
| 602 | */ |
---|
| 603 | static int |
---|
| 604 | rtems_bsdnet_close (int fd) |
---|
| 605 | { |
---|
| 606 | struct socket *so; |
---|
| 607 | int error; |
---|
| 608 | |
---|
| 609 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 610 | if ((so = rtems_bsdnet_fdToSocket (fd)) == NULL) { |
---|
[39e6e65a] | 611 | rtems_bsdnet_semaphore_release (); |
---|
| 612 | return -1; |
---|
| 613 | } |
---|
[766ed7c] | 614 | error = soclose (so); |
---|
| 615 | rtems_bsdnet_semaphore_release (); |
---|
[39e6e65a] | 616 | if (error) { |
---|
| 617 | errno = error; |
---|
| 618 | return -1; |
---|
| 619 | } |
---|
| 620 | return 0; |
---|
| 621 | } |
---|
| 622 | |
---|
| 623 | static int |
---|
| 624 | rtems_bsdnet_read (int fd, void *buffer, unsigned32 count) |
---|
| 625 | { |
---|
| 626 | return recv (fd, buffer, count, 0); |
---|
| 627 | } |
---|
| 628 | |
---|
| 629 | static int |
---|
| 630 | rtems_bsdnet_write (int fd, const void *buffer, unsigned32 count) |
---|
| 631 | { |
---|
| 632 | return send (fd, buffer, count, 0); |
---|
| 633 | } |
---|
| 634 | |
---|
| 635 | static int |
---|
| 636 | so_ioctl (struct socket *so, unsigned32 command, void *buffer) |
---|
| 637 | { |
---|
| 638 | switch (command) { |
---|
| 639 | case FIONBIO: |
---|
| 640 | if (*(int *)buffer) |
---|
| 641 | so->so_state |= SS_NBIO; |
---|
| 642 | else |
---|
| 643 | so->so_state &= ~SS_NBIO; |
---|
| 644 | return 0; |
---|
| 645 | |
---|
| 646 | case FIONREAD: |
---|
| 647 | *(int *)buffer = so->so_rcv.sb_cc; |
---|
| 648 | return 0; |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | if (IOCGROUP(command) == 'i') |
---|
| 652 | return ifioctl (so, command, buffer, NULL); |
---|
| 653 | if (IOCGROUP(command) == 'r') |
---|
| 654 | return rtioctl (command, buffer, NULL); |
---|
| 655 | return (*so->so_proto->pr_usrreqs->pru_control)(so, command, buffer, 0); |
---|
| 656 | } |
---|
| 657 | |
---|
| 658 | static int |
---|
| 659 | rtems_bsdnet_ioctl (int fd, unsigned32 command, void *buffer) |
---|
| 660 | { |
---|
| 661 | struct socket *so; |
---|
| 662 | int error; |
---|
| 663 | |
---|
| 664 | rtems_bsdnet_semaphore_obtain (); |
---|
[cca4400] | 665 | if ((so = rtems_bsdnet_fdToSocket (fd)) == NULL) { |
---|
[39e6e65a] | 666 | rtems_bsdnet_semaphore_release (); |
---|
| 667 | return -1; |
---|
| 668 | } |
---|
| 669 | error = so_ioctl (so, command, buffer); |
---|
| 670 | rtems_bsdnet_semaphore_release (); |
---|
| 671 | if (error) { |
---|
| 672 | errno = error; |
---|
| 673 | return -1; |
---|
| 674 | } |
---|
| 675 | return 0; |
---|
| 676 | } |
---|
| 677 | |
---|
| 678 | rtems_libio_handler_t rtems_bsdnet_io_handler = { |
---|
| 679 | NULL, /* open */ |
---|
| 680 | rtems_bsdnet_close, /* close */ |
---|
| 681 | rtems_bsdnet_read, /* read */ |
---|
| 682 | rtems_bsdnet_write, /* write */ |
---|
| 683 | rtems_bsdnet_ioctl, /* ioctl */ |
---|
| 684 | NULL, /* lseek */ |
---|
| 685 | }; |
---|
| 686 | |
---|