| 1 | /* $NetBSD: netbsd32_compat_43.c,v 1.54 2016/09/13 07:01:07 martin Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1998, 2001 Matthew R. Green |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #include <sys/cdefs.h> |
| 30 | __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_43.c,v 1.54 2016/09/13 07:01:07 martin Exp $" ); |
| 31 | |
| 32 | #if defined(_KERNEL_OPT) |
| 33 | #include "opt_compat_43.h" |
| 34 | #endif |
| 35 | |
| 36 | #include <sys/param.h> |
| 37 | #include <sys/systm.h> |
| 38 | #include <sys/fcntl.h> |
| 39 | #include <sys/filedesc.h> |
| 40 | #include <sys/mbuf.h> |
| 41 | #include <sys/mount.h> |
| 42 | #include <sys/namei.h> |
| 43 | #include <sys/socket.h> |
| 44 | #include <sys/proc.h> |
| 45 | #include <sys/socket.h> |
| 46 | #include <sys/socketvar.h> |
| 47 | #include <sys/stat.h> |
| 48 | #include <sys/syscallargs.h> |
| 49 | #include <sys/time.h> |
| 50 | #include <sys/ucred.h> |
| 51 | #include <sys/vfs_syscalls.h> |
| 52 | #include <uvm/uvm_extern.h> |
| 53 | #include <sys/sysctl.h> |
| 54 | #include <sys/swap.h> |
| 55 | |
| 56 | #include <compat/netbsd32/netbsd32.h> |
| 57 | #include <compat/netbsd32/netbsd32_syscallargs.h> |
| 58 | |
| 59 | #include <compat/sys/stat.h> |
| 60 | #include <compat/sys/signal.h> |
| 61 | #include <compat/sys/signalvar.h> |
| 62 | #include <compat/sys/socket.h> |
| 63 | |
| 64 | #define SYS_DEF(foo) struct foo##_args; \ |
| 65 | int foo(struct lwp *, const struct foo##_args *, register_t *) |
| 66 | |
| 67 | SYS_DEF(compat_43_netbsd32_sethostid); |
| 68 | SYS_DEF(compat_43_netbsd32_killpg); |
| 69 | SYS_DEF(compat_43_netbsd32_sigblock); |
| 70 | SYS_DEF(compat_43_netbsd32_sigblock); |
| 71 | SYS_DEF(compat_43_netbsd32_sigsetmask); |
| 72 | #undef SYS_DEF |
| 73 | |
| 74 | static void |
| 75 | netbsd32_from_stat(const struct stat *sb, struct netbsd32_stat43 *sp32) |
| 76 | { |
| 77 | |
| 78 | sp32->st_dev = sb->st_dev; |
| 79 | sp32->st_ino = sb->st_ino; |
| 80 | sp32->st_mode = sb->st_mode; |
| 81 | sp32->st_nlink = sb->st_nlink; |
| 82 | sp32->st_uid = sb->st_uid; |
| 83 | sp32->st_gid = sb->st_gid; |
| 84 | sp32->st_rdev = sb->st_rdev; |
| 85 | sp32->st_size = sb->st_size < (quad_t)1 << 32 ? sb->st_size : -2; |
| 86 | sp32->st_atimespec.tv_sec = sb->st_atimespec.tv_sec; |
| 87 | sp32->st_atimespec.tv_nsec = sb->st_atimespec.tv_nsec; |
| 88 | sp32->st_mtimespec.tv_sec = sb->st_mtimespec.tv_sec; |
| 89 | sp32->st_mtimespec.tv_nsec = sb->st_mtimespec.tv_nsec; |
| 90 | sp32->st_ctimespec.tv_sec = sb->st_ctimespec.tv_sec; |
| 91 | sp32->st_ctimespec.tv_nsec = sb->st_ctimespec.tv_nsec; |
| 92 | sp32->st_blksize = sb->st_blksize; |
| 93 | sp32->st_blocks = sb->st_blocks; |
| 94 | sp32->st_flags = sb->st_flags; |
| 95 | sp32->st_gen = sb->st_gen; |
| 96 | } |
| 97 | |
| 98 | /* file system syscalls */ |
| 99 | int |
| 100 | compat_43_netbsd32_ocreat(struct lwp *l, const struct compat_43_netbsd32_ocreat_args *uap, register_t *retval) |
| 101 | { |
| 102 | /* { |
| 103 | syscallarg(const netbsd32_charp) path; |
| 104 | syscallarg(mode_t) mode; |
| 105 | } */ |
| 106 | struct sys_open_args ua; |
| 107 | |
| 108 | NETBSD32TOP_UAP(path, const char); |
| 109 | NETBSD32TO64_UAP(mode); |
| 110 | SCARG(&ua, flags) = O_WRONLY | O_CREAT | O_TRUNC; |
| 111 | |
| 112 | return (sys_open(l, &ua, retval)); |
| 113 | } |
| 114 | |
| 115 | int |
| 116 | compat_43_netbsd32_olseek(struct lwp *l, const struct compat_43_netbsd32_olseek_args *uap, register_t *retval) |
| 117 | { |
| 118 | /* { |
| 119 | syscallarg(int) fd; |
| 120 | syscallarg(netbsd32_long) offset; |
| 121 | syscallarg(int) whence; |
| 122 | } */ |
| 123 | struct sys_lseek_args ua; |
| 124 | |
| 125 | SCARG(&ua, fd) = SCARG(uap, fd); |
| 126 | NETBSD32TOX_UAP(offset, long); |
| 127 | NETBSD32TO64_UAP(whence); |
| 128 | /* Maybe offsets > 2^32 should generate an error ? */ |
| 129 | return sys_lseek(l, &ua, retval); |
| 130 | } |
| 131 | |
| 132 | int |
| 133 | compat_43_netbsd32_stat43(struct lwp *l, const struct compat_43_netbsd32_stat43_args *uap, register_t *retval) |
| 134 | { |
| 135 | /* { |
| 136 | syscallarg(const netbsd32_charp) path; |
| 137 | syscallarg(netbsd32_stat43p_t) ub; |
| 138 | } */ |
| 139 | struct stat sb; |
| 140 | struct netbsd32_stat43 sb32; |
| 141 | int error; |
| 142 | |
| 143 | error = do_sys_stat(SCARG_P32(uap, path), FOLLOW, &sb); |
| 144 | if (error == 0) { |
| 145 | netbsd32_from_stat(&sb, &sb32); |
| 146 | error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); |
| 147 | } |
| 148 | return error; |
| 149 | } |
| 150 | |
| 151 | int |
| 152 | compat_43_netbsd32_lstat43(struct lwp *l, const struct compat_43_netbsd32_lstat43_args *uap, register_t *retval) |
| 153 | { |
| 154 | /* { |
| 155 | syscallarg(const netbsd32_charp) path; |
| 156 | syscallarg(netbsd32_stat43p_t) ub; |
| 157 | } */ |
| 158 | struct stat sb; |
| 159 | struct netbsd32_stat43 sb32; |
| 160 | int error; |
| 161 | |
| 162 | error = do_sys_stat(SCARG_P32(uap, path), NOFOLLOW, &sb); |
| 163 | if (error == 0) { |
| 164 | netbsd32_from_stat(&sb, &sb32); |
| 165 | error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); |
| 166 | } |
| 167 | return error; |
| 168 | } |
| 169 | |
| 170 | int |
| 171 | compat_43_netbsd32_fstat43(struct lwp *l, const struct compat_43_netbsd32_fstat43_args *uap, register_t *retval) |
| 172 | { |
| 173 | /* { |
| 174 | syscallarg(int) fd; |
| 175 | syscallarg(netbsd32_stat43p_t) sb; |
| 176 | } */ |
| 177 | struct stat sb; |
| 178 | struct netbsd32_stat43 sb32; |
| 179 | int error; |
| 180 | |
| 181 | error = do_sys_fstat(SCARG(uap, fd), &sb); |
| 182 | if (error == 0) { |
| 183 | netbsd32_from_stat(&sb, &sb32); |
| 184 | error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb32)); |
| 185 | } |
| 186 | return error; |
| 187 | } |
| 188 | |
| 189 | int |
| 190 | compat_43_netbsd32_otruncate(struct lwp *l, const struct compat_43_netbsd32_otruncate_args *uap, register_t *retval) |
| 191 | { |
| 192 | /* { |
| 193 | syscallarg(const netbsd32_charp) path; |
| 194 | syscallarg(netbsd32_long) length; |
| 195 | } */ |
| 196 | struct sys_truncate_args ua; |
| 197 | |
| 198 | NETBSD32TOP_UAP(path, const char); |
| 199 | NETBSD32TO64_UAP(length); |
| 200 | return (sys_truncate(l, &ua, retval)); |
| 201 | } |
| 202 | |
| 203 | int |
| 204 | compat_43_netbsd32_oftruncate(struct lwp *l, const struct compat_43_netbsd32_oftruncate_args *uap, register_t *retval) |
| 205 | { |
| 206 | /* { |
| 207 | syscallarg(int) fd; |
| 208 | syscallarg(netbsd32_long) length; |
| 209 | } */ |
| 210 | struct sys_ftruncate_args ua; |
| 211 | |
| 212 | NETBSD32TO64_UAP(fd); |
| 213 | NETBSD32TO64_UAP(length); |
| 214 | return (sys_ftruncate(l, &ua, retval)); |
| 215 | } |
| 216 | |
| 217 | int |
| 218 | compat_43_netbsd32_ogetdirentries(struct lwp *l, const struct compat_43_netbsd32_ogetdirentries_args *uap, register_t *retval) |
| 219 | { |
| 220 | /* { |
| 221 | syscallarg(int) fd; |
| 222 | syscallarg(netbsd32_charp) buf; |
| 223 | syscallarg(u_int) count; |
| 224 | syscallarg(netbsd32_longp) basep; |
| 225 | } */ |
| 226 | struct compat_43_sys_getdirentries_args ua; |
| 227 | |
| 228 | NETBSD32TO64_UAP(fd); |
| 229 | NETBSD32TOP_UAP(buf, char); |
| 230 | NETBSD32TO64_UAP(count); |
| 231 | NETBSD32TOP_UAP(basep, long); |
| 232 | return (compat_43_sys_getdirentries(l, &ua, retval)); |
| 233 | } |
| 234 | |
| 235 | /* kernel syscalls */ |
| 236 | int |
| 237 | compat_43_netbsd32_ogetkerninfo(struct lwp *l, const struct compat_43_netbsd32_ogetkerninfo_args *uap, register_t *retval) |
| 238 | { |
| 239 | /* { |
| 240 | syscallarg(int) op; |
| 241 | syscallarg(netbsd32_charp) where; |
| 242 | syscallarg(netbsd32_intp) size; |
| 243 | syscallarg(int) arg; |
| 244 | } */ |
| 245 | struct compat_43_sys_getkerninfo_args ua; |
| 246 | |
| 247 | NETBSD32TO64_UAP(op); |
| 248 | NETBSD32TOP_UAP(where, char); |
| 249 | NETBSD32TOP_UAP(size, int); |
| 250 | NETBSD32TO64_UAP(arg); |
| 251 | return (compat_43_sys_getkerninfo(l, &ua, retval)); |
| 252 | } |
| 253 | |
| 254 | int |
| 255 | compat_43_netbsd32_ogethostname(struct lwp *l, const struct compat_43_netbsd32_ogethostname_args *uap, register_t *retval) |
| 256 | { |
| 257 | /* { |
| 258 | syscallarg(netbsd32_charp) hostname; |
| 259 | syscallarg(u_int) len; |
| 260 | } */ |
| 261 | int name[2]; |
| 262 | size_t sz; |
| 263 | |
| 264 | name[0] = CTL_KERN; |
| 265 | name[1] = KERN_HOSTNAME; |
| 266 | sz = SCARG(uap, len); |
| 267 | return (old_sysctl(&name[0], 2, |
| 268 | SCARG_P32(uap, hostname), &sz, 0, 0, l)); |
| 269 | } |
| 270 | |
| 271 | int |
| 272 | compat_43_netbsd32_osethostname(struct lwp *l, const struct compat_43_netbsd32_osethostname_args *uap, register_t *retval) |
| 273 | { |
| 274 | /* { |
| 275 | syscallarg(netbsd32_charp) hostname; |
| 276 | syscallarg(u_int) len; |
| 277 | } */ |
| 278 | int name[2]; |
| 279 | |
| 280 | name[0] = CTL_KERN; |
| 281 | name[1] = KERN_HOSTNAME; |
| 282 | return old_sysctl(&name[0], 2, 0, 0, (char *)SCARG_P32(uap, |
| 283 | hostname), SCARG(uap, len), l); |
| 284 | } |
| 285 | |
| 286 | int |
| 287 | compat_43_netbsd32_sethostid(struct lwp *l, const struct compat_43_netbsd32_sethostid_args *uap, register_t *retval) |
| 288 | { |
| 289 | /* { |
| 290 | syscallarg(int32_t) hostid; |
| 291 | } */ |
| 292 | struct compat_43_sys_sethostid_args ua; |
| 293 | |
| 294 | NETBSD32TO64_UAP(hostid); |
| 295 | return (compat_43_sys_sethostid(l, &ua, retval)); |
| 296 | } |
| 297 | |
| 298 | int |
| 299 | compat_43_netbsd32_ogetrlimit(struct lwp *l, const struct compat_43_netbsd32_ogetrlimit_args *uap, register_t *retval) |
| 300 | { |
| 301 | /* { |
| 302 | syscallarg(int) which; |
| 303 | syscallarg(netbsd32_orlimitp_t) rlp; |
| 304 | } */ |
| 305 | struct compat_43_sys_getrlimit_args ua; |
| 306 | |
| 307 | NETBSD32TO64_UAP(which); |
| 308 | NETBSD32TOP_UAP(rlp, struct orlimit); |
| 309 | return (compat_43_sys_getrlimit(l, &ua, retval)); |
| 310 | } |
| 311 | |
| 312 | int |
| 313 | compat_43_netbsd32_osetrlimit(struct lwp *l, const struct compat_43_netbsd32_osetrlimit_args *uap, register_t *retval) |
| 314 | { |
| 315 | /* { |
| 316 | syscallarg(int) which; |
| 317 | syscallarg(netbsd32_orlimitp_t) rlp; |
| 318 | } */ |
| 319 | struct compat_43_sys_setrlimit_args ua; |
| 320 | |
| 321 | NETBSD32TO64_UAP(which); |
| 322 | NETBSD32TOP_UAP(rlp, struct orlimit); |
| 323 | return (compat_43_sys_setrlimit(l, &ua, retval)); |
| 324 | } |
| 325 | |
| 326 | int |
| 327 | compat_43_netbsd32_killpg(struct lwp *l, const struct compat_43_netbsd32_killpg_args *uap, register_t *retval) |
| 328 | { |
| 329 | /* { |
| 330 | syscallarg(int) pgid; |
| 331 | syscallarg(int) signum; |
| 332 | } */ |
| 333 | struct compat_43_sys_killpg_args ua; |
| 334 | |
| 335 | NETBSD32TO64_UAP(pgid); |
| 336 | NETBSD32TO64_UAP(signum); |
| 337 | return (compat_43_sys_killpg(l, &ua, retval)); |
| 338 | } |
| 339 | |
| 340 | /* virtual memory syscalls */ |
| 341 | int |
| 342 | compat_43_netbsd32_ommap(struct lwp *l, const struct compat_43_netbsd32_ommap_args *uap, register_t *retval) |
| 343 | { |
| 344 | /* { |
| 345 | syscallarg(netbsd32_voidp) addr; |
| 346 | syscallarg(netbsd32_size_t) len; |
| 347 | syscallarg(int) prot; |
| 348 | syscallarg(int) flags; |
| 349 | syscallarg(int) fd; |
| 350 | syscallarg(netbsd32_long) pos; |
| 351 | } */ |
| 352 | struct compat_43_sys_mmap_args ua; |
| 353 | |
| 354 | NETBSD32TOP_UAP(addr, void *); |
| 355 | NETBSD32TOX_UAP(len, size_t); |
| 356 | NETBSD32TO64_UAP(prot); |
| 357 | NETBSD32TO64_UAP(flags); |
| 358 | NETBSD32TO64_UAP(fd); |
| 359 | NETBSD32TOX_UAP(pos, long); |
| 360 | return (compat_43_sys_mmap(l, &ua, retval)); |
| 361 | } |
| 362 | |
| 363 | /* network syscalls */ |
| 364 | int |
| 365 | compat_43_netbsd32_oaccept(struct lwp *l, const struct compat_43_netbsd32_oaccept_args *uap, register_t *retval) |
| 366 | { |
| 367 | /* { |
| 368 | syscallarg(int) s; |
| 369 | syscallarg(netbsd32_voidp) name; |
| 370 | syscallarg(netbsd32_intp) anamelen; |
| 371 | } */ |
| 372 | struct compat_43_sys_accept_args ua; |
| 373 | |
| 374 | NETBSD32TOX_UAP(s, int); |
| 375 | NETBSD32TOP_UAP(name, void *); |
| 376 | NETBSD32TOP_UAP(anamelen, int); |
| 377 | return (compat_43_sys_accept(l, &ua, retval)); |
| 378 | } |
| 379 | |
| 380 | int |
| 381 | compat_43_netbsd32_osend(struct lwp *l, const struct compat_43_netbsd32_osend_args *uap, register_t *retval) |
| 382 | { |
| 383 | /* { |
| 384 | syscallarg(int) s; |
| 385 | syscallarg(netbsd32_voidp) buf; |
| 386 | syscallarg(int) len; |
| 387 | syscallarg(int) flags; |
| 388 | } */ |
| 389 | struct compat_43_sys_send_args ua; |
| 390 | |
| 391 | NETBSD32TO64_UAP(s); |
| 392 | NETBSD32TOP_UAP(buf, void *); |
| 393 | NETBSD32TO64_UAP(len); |
| 394 | NETBSD32TO64_UAP(flags); |
| 395 | return (compat_43_sys_send(l, &ua, retval)); |
| 396 | } |
| 397 | |
| 398 | int |
| 399 | compat_43_netbsd32_orecv(struct lwp *l, const struct compat_43_netbsd32_orecv_args *uap, register_t *retval) |
| 400 | { |
| 401 | /* { |
| 402 | syscallarg(int) s; |
| 403 | syscallarg(netbsd32_voidp) buf; |
| 404 | syscallarg(int) len; |
| 405 | syscallarg(int) flags; |
| 406 | } */ |
| 407 | struct compat_43_sys_recv_args ua; |
| 408 | |
| 409 | NETBSD32TO64_UAP(s); |
| 410 | NETBSD32TOP_UAP(buf, void *); |
| 411 | NETBSD32TO64_UAP(len); |
| 412 | NETBSD32TO64_UAP(flags); |
| 413 | return (compat_43_sys_recv(l, &ua, retval)); |
| 414 | } |
| 415 | |
| 416 | /* |
| 417 | * This is a brutal clone of compat_43_sys_recvmsg(). |
| 418 | */ |
| 419 | int |
| 420 | compat_43_netbsd32_orecvmsg(struct lwp *l, const struct compat_43_netbsd32_orecvmsg_args *uap, register_t *retval) |
| 421 | { |
| 422 | /* { |
| 423 | syscallarg(int) s; |
| 424 | syscallarg(netbsd32_omsghdrp_t) msg; |
| 425 | syscallarg(int) flags; |
| 426 | } */ |
| 427 | struct netbsd32_omsghdr omsg; |
| 428 | struct msghdr msg; |
| 429 | struct mbuf *from, *control; |
| 430 | struct iovec *iov, aiov[UIO_SMALLIOV]; |
| 431 | int error; |
| 432 | |
| 433 | error = copyin(SCARG_P32(uap, msg), &omsg, sizeof (struct omsghdr)); |
| 434 | if (error) |
| 435 | return (error); |
| 436 | |
| 437 | if (NETBSD32PTR64(omsg.msg_accrights) == NULL) |
| 438 | omsg.msg_accrightslen = 0; |
| 439 | /* it was this way in 4.4BSD */ |
| 440 | if (omsg.msg_accrightslen > MLEN) |
| 441 | return EINVAL; |
| 442 | |
| 443 | iov = netbsd32_get_iov(NETBSD32PTR64(omsg.msg_iov), omsg.msg_iovlen, |
| 444 | aiov, __arraycount(aiov)); |
| 445 | if (iov == NULL) |
| 446 | return EFAULT; |
| 447 | |
| 448 | msg.msg_name = NETBSD32PTR64(omsg.msg_name); |
| 449 | msg.msg_namelen = omsg.msg_namelen; |
| 450 | msg.msg_iovlen = omsg.msg_iovlen; |
| 451 | msg.msg_iov = iov; |
| 452 | msg.msg_flags = SCARG(uap, flags) & MSG_USERFLAGS; |
| 453 | |
| 454 | error = do_sys_recvmsg(l, SCARG(uap, s), &msg, NULL, 0, &from, |
| 455 | NETBSD32PTR64(omsg.msg_accrights) != NULL ? &control : NULL, |
| 456 | retval); |
| 457 | if (error != 0) |
| 458 | goto out; |
| 459 | |
| 460 | /* |
| 461 | * If there is any control information and it's SCM_RIGHTS, |
| 462 | * pass it back to the program. |
| 463 | * XXX: maybe there can be more than one chunk of control data? |
| 464 | */ |
| 465 | if (NETBSD32PTR64(omsg.msg_accrights) != NULL && control != NULL) { |
| 466 | struct cmsghdr *cmsg = mtod(control, void *); |
| 467 | |
| 468 | if (cmsg->cmsg_level == SOL_SOCKET |
| 469 | && cmsg->cmsg_type == SCM_RIGHTS |
| 470 | && cmsg->cmsg_len < omsg.msg_accrightslen |
| 471 | && copyout(CMSG_DATA(cmsg), |
| 472 | NETBSD32PTR64(omsg.msg_accrights), |
| 473 | cmsg->cmsg_len) == 0) { |
| 474 | omsg.msg_accrightslen = cmsg->cmsg_len; |
| 475 | free_control_mbuf(l, control, control->m_next); |
| 476 | } else { |
| 477 | omsg.msg_accrightslen = 0; |
| 478 | free_control_mbuf(l, control, control); |
| 479 | } |
| 480 | } else |
| 481 | omsg.msg_accrightslen = 0; |
| 482 | |
| 483 | if (from != NULL) |
| 484 | /* convert from sockaddr sa_family to osockaddr one here */ |
| 485 | mtod(from, struct osockaddr *)->sa_family = |
| 486 | mtod(from, struct sockaddr *)->sa_family; |
| 487 | |
| 488 | error = copyout_sockname(NETBSD32PTR64(omsg.msg_name), |
| 489 | &omsg.msg_namelen, 0, from); |
| 490 | if (from != NULL) |
| 491 | m_free(from); |
| 492 | |
| 493 | if (error != 0) |
| 494 | error = copyout(&omsg, SCARG_P32(uap, msg), sizeof(omsg)); |
| 495 | out: |
| 496 | if (iov != aiov) { |
| 497 | kmem_free(iov, omsg.msg_iovlen * sizeof(*iov)); |
| 498 | } |
| 499 | return error; |
| 500 | } |
| 501 | |
| 502 | int |
| 503 | compat_43_netbsd32_osendmsg(struct lwp *l, const struct compat_43_netbsd32_osendmsg_args *uap, register_t *retval) |
| 504 | { |
| 505 | /* { |
| 506 | syscallarg(int) s; |
| 507 | syscallarg(netbsd32_voidp) msg; |
| 508 | syscallarg(int) flags; |
| 509 | } */ |
| 510 | struct iovec *iov, aiov[UIO_SMALLIOV]; |
| 511 | struct netbsd32_omsghdr omsg; |
| 512 | struct msghdr msg; |
| 513 | struct mbuf *nam; |
| 514 | struct osockaddr *osa; |
| 515 | struct sockaddr *sa; |
| 516 | int error; |
| 517 | |
| 518 | error = copyin(SCARG_P32(uap, msg), &omsg, sizeof (struct omsghdr)); |
| 519 | if (error != 0) |
| 520 | return (error); |
| 521 | |
| 522 | iov = netbsd32_get_iov(NETBSD32PTR64(omsg.msg_iov), omsg.msg_iovlen, |
| 523 | aiov, __arraycount(aiov)); |
| 524 | if (iov == NULL) |
| 525 | return EFAULT; |
| 526 | |
| 527 | msg.msg_iovlen = omsg.msg_iovlen; |
| 528 | msg.msg_iov = iov; |
| 529 | msg.msg_flags = MSG_NAMEMBUF; |
| 530 | |
| 531 | error = sockargs(&nam, NETBSD32PTR64(omsg.msg_name), omsg.msg_namelen, |
| 532 | MT_SONAME); |
| 533 | if (error != 0) |
| 534 | goto out; |
| 535 | |
| 536 | sa = mtod(nam, void *); |
| 537 | osa = mtod(nam, void *); |
| 538 | sa->sa_family = osa->sa_family; |
| 539 | sa->sa_len = omsg.msg_namelen; |
| 540 | |
| 541 | msg.msg_name = nam; |
| 542 | msg.msg_namelen = omsg.msg_namelen; |
| 543 | error = compat43_set_accrights(&msg, NETBSD32PTR64(omsg.msg_accrights), |
| 544 | omsg.msg_accrightslen); |
| 545 | if (error != 0) { |
| 546 | m_free(nam); |
| 547 | goto out; |
| 548 | } |
| 549 | |
| 550 | error = do_sys_sendmsg(l, SCARG(uap, s), &msg, SCARG(uap, flags), |
| 551 | &omsg, sizeof(omsg), retval); |
| 552 | |
| 553 | out: |
| 554 | if (iov != aiov) |
| 555 | kmem_free(iov, omsg.msg_iovlen * sizeof(*iov)); |
| 556 | return (error); |
| 557 | } |
| 558 | |
| 559 | int |
| 560 | compat_43_netbsd32_orecvfrom(struct lwp *l, const struct compat_43_netbsd32_orecvfrom_args *uap, register_t *retval) |
| 561 | { |
| 562 | /* { |
| 563 | syscallarg(int) s; |
| 564 | syscallarg(netbsd32_voidp) buf; |
| 565 | syscallarg(netbsd32_size_t) len; |
| 566 | syscallarg(int) flags; |
| 567 | syscallarg(netbsd32_voidp) from; |
| 568 | syscallarg(netbsd32_intp) fromlenaddr; |
| 569 | } */ |
| 570 | struct compat_43_sys_recvfrom_args ua; |
| 571 | |
| 572 | NETBSD32TO64_UAP(s); |
| 573 | NETBSD32TOP_UAP(buf, void *); |
| 574 | NETBSD32TOX_UAP(len, size_t); |
| 575 | NETBSD32TO64_UAP(flags); |
| 576 | NETBSD32TOP_UAP(from, void *); |
| 577 | NETBSD32TOP_UAP(fromlenaddr, int); |
| 578 | return (compat_43_sys_recvfrom(l, &ua, retval)); |
| 579 | } |
| 580 | |
| 581 | int |
| 582 | compat_43_netbsd32_ogetsockname(struct lwp *l, const struct compat_43_netbsd32_ogetsockname_args *uap, register_t *retval) |
| 583 | { |
| 584 | /* { |
| 585 | syscallarg(int) fdec; |
| 586 | syscallarg(netbsd32_voidp) asa; |
| 587 | syscallarg(netbsd32_intp) alen; |
| 588 | } */ |
| 589 | struct compat_43_sys_getsockname_args ua; |
| 590 | |
| 591 | NETBSD32TO64_UAP(fdec); |
| 592 | NETBSD32TOP_UAP(asa, void *); |
| 593 | NETBSD32TOP_UAP(alen, int *); |
| 594 | return (compat_43_sys_getsockname(l, &ua, retval)); |
| 595 | } |
| 596 | |
| 597 | int |
| 598 | compat_43_netbsd32_ogetpeername(struct lwp *l, const struct compat_43_netbsd32_ogetpeername_args *uap, register_t *retval) |
| 599 | { |
| 600 | /* { |
| 601 | syscallarg(int) fdes; |
| 602 | syscallarg(netbsd32_voidp) asa; |
| 603 | syscallarg(netbsd32_intp) alen; |
| 604 | } */ |
| 605 | struct compat_43_sys_getpeername_args ua; |
| 606 | |
| 607 | NETBSD32TO64_UAP(fdes); |
| 608 | NETBSD32TOP_UAP(asa, void *); |
| 609 | NETBSD32TOP_UAP(alen, int *); |
| 610 | return (compat_43_sys_getpeername(l, &ua, retval)); |
| 611 | } |
| 612 | |
| 613 | /* signal syscalls */ |
| 614 | int |
| 615 | compat_43_netbsd32_osigvec(struct lwp *l, const struct compat_43_netbsd32_osigvec_args *uap, register_t *retval) |
| 616 | { |
| 617 | /* { |
| 618 | syscallarg(int) signum; |
| 619 | syscallarg(netbsd32_sigvecp_t) nsv; |
| 620 | syscallarg(netbsd32_sigvecp_t) osv; |
| 621 | } */ |
| 622 | struct netbsd32_sigvec sv32; |
| 623 | struct sigaction nsa, osa; |
| 624 | int error; |
| 625 | |
| 626 | if (SCARG(uap, signum) >= 32) |
| 627 | return EINVAL; |
| 628 | |
| 629 | if (SCARG_P32(uap, nsv)) { |
| 630 | error = copyin(SCARG_P32(uap, nsv), &sv32, sizeof(sv32)); |
| 631 | if (error) |
| 632 | return error; |
| 633 | nsa.sa_handler = NETBSD32PTR64(sv32.sv_handler); |
| 634 | nsa.sa_mask.__bits[0] = sv32.sv_mask; |
| 635 | nsa.sa_mask.__bits[1] = 0; |
| 636 | nsa.sa_mask.__bits[2] = 0; |
| 637 | nsa.sa_mask.__bits[3] = 0; |
| 638 | nsa.sa_flags = sv32.sv_flags ^ SA_RESTART; |
| 639 | error = sigaction1(l, SCARG(uap, signum), &nsa, &osa, NULL, 0); |
| 640 | } else |
| 641 | error = sigaction1(l, SCARG(uap, signum), NULL, &osa, NULL, 0); |
| 642 | if (error) |
| 643 | return error; |
| 644 | |
| 645 | if (SCARG_P32(uap, osv)) { |
| 646 | NETBSD32PTR32(sv32.sv_handler, osa.sa_handler); |
| 647 | sv32.sv_mask = osa.sa_mask.__bits[0]; |
| 648 | sv32.sv_flags = osa.sa_flags ^ SA_RESTART; |
| 649 | error = copyout(&sv32, SCARG_P32(uap, osv), sizeof(sv32)); |
| 650 | } |
| 651 | |
| 652 | return error; |
| 653 | } |
| 654 | |
| 655 | int |
| 656 | compat_43_netbsd32_sigblock(struct lwp *l, const struct compat_43_netbsd32_sigblock_args *uap, register_t *retval) |
| 657 | { |
| 658 | /* { |
| 659 | syscallarg(int) mask; |
| 660 | } */ |
| 661 | struct compat_43_sys_sigblock_args ua; |
| 662 | |
| 663 | NETBSD32TO64_UAP(mask); |
| 664 | return (compat_43_sys_sigblock(l, &ua, retval)); |
| 665 | } |
| 666 | |
| 667 | int |
| 668 | compat_43_netbsd32_sigsetmask(struct lwp *l, const struct compat_43_netbsd32_sigsetmask_args *uap, register_t *retval) |
| 669 | { |
| 670 | /* { |
| 671 | syscallarg(int) mask; |
| 672 | } */ |
| 673 | struct compat_43_sys_sigsetmask_args ua; |
| 674 | |
| 675 | NETBSD32TO64_UAP(mask); |
| 676 | return (compat_43_sys_sigsetmask(l, &ua, retval)); |
| 677 | } |
| 678 | |
| 679 | int |
| 680 | compat_43_netbsd32_osigstack(struct lwp *l, const struct compat_43_netbsd32_osigstack_args *uap, register_t *retval) |
| 681 | { |
| 682 | /* { |
| 683 | syscallarg(netbsd32_sigstackp_t) nss; |
| 684 | syscallarg(netbsd32_sigstackp_t) oss; |
| 685 | } */ |
| 686 | struct netbsd32_sigstack ss32; |
| 687 | struct sigaltstack nsa, osa; |
| 688 | int error; |
| 689 | |
| 690 | if (SCARG_P32(uap, nss)) { |
| 691 | error = copyin(SCARG_P32(uap, nss), &ss32, sizeof(ss32)); |
| 692 | if (error) |
| 693 | return error; |
| 694 | nsa.ss_sp = NETBSD32PTR64(ss32.ss_sp); |
| 695 | nsa.ss_size = SIGSTKSZ; /* Use the recommended size */ |
| 696 | nsa.ss_flags = ss32.ss_onstack ? SS_ONSTACK : 0; |
| 697 | error = sigaltstack1(l, &nsa, &osa); |
| 698 | } else |
| 699 | error = sigaltstack1(l, NULL, &osa); |
| 700 | if (error) |
| 701 | return error; |
| 702 | |
| 703 | if (SCARG_P32(uap, oss)) { |
| 704 | NETBSD32PTR32(ss32.ss_sp, osa.ss_sp); |
| 705 | ss32.ss_onstack = (osa.ss_flags & SS_ONSTACK) != 0; |
| 706 | error = copyout(&ss32, SCARG_P32(uap, oss), sizeof(ss32)); |
| 707 | } |
| 708 | |
| 709 | return error; |
| 710 | } |
| 711 | |