Annotation of sys/compat/osf1/osf1_file.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: osf1_file.c,v 1.1 2000/08/04 15:47:55 ericj Exp $ */
! 2: /* $NetBSD: osf1_file.c,v 1.6 2000/06/06 19:04:17 soren Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1999 Christopher G. Demetriou. 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: * 3. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by Christopher G. Demetriou
! 18: * for the NetBSD Project.
! 19: * 4. The name of the author may not be used to endorse or promote products
! 20: * derived from this software without specific prior written permission
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 32: */
! 33:
! 34: /*
! 35: * Copyright (c) 1994, 1995 Carnegie-Mellon University.
! 36: * All rights reserved.
! 37: *
! 38: * Author: Chris G. Demetriou
! 39: *
! 40: * Permission to use, copy, modify and distribute this software and
! 41: * its documentation is hereby granted, provided that both the copyright
! 42: * notice and this permission notice appear in all copies of the
! 43: * software, derivative works or modified versions, and any portions
! 44: * thereof, and that both notices appear in supporting documentation.
! 45: *
! 46: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
! 47: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
! 48: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
! 49: *
! 50: * Carnegie Mellon requests users of this software to return to
! 51: *
! 52: * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
! 53: * School of Computer Science
! 54: * Carnegie Mellon University
! 55: * Pittsburgh PA 15213-3890
! 56: *
! 57: * any improvements or extensions that they make and grant Carnegie the
! 58: * rights to redistribute these changes.
! 59: */
! 60:
! 61: #include <sys/param.h>
! 62: #include <sys/systm.h>
! 63: #include <sys/namei.h>
! 64: #include <sys/proc.h>
! 65: #include <sys/file.h>
! 66: #include <sys/stat.h>
! 67: #include <sys/filedesc.h>
! 68: #include <sys/kernel.h>
! 69: #include <sys/malloc.h>
! 70: #include <sys/mman.h>
! 71: #include <sys/mount.h>
! 72: #include <sys/signal.h>
! 73: #include <sys/signalvar.h>
! 74: #include <sys/reboot.h>
! 75: #include <sys/syscallargs.h>
! 76: #include <sys/exec.h>
! 77: #include <sys/vnode.h>
! 78: #include <sys/socketvar.h>
! 79: #include <sys/resource.h>
! 80: #include <sys/resourcevar.h>
! 81: #include <sys/wait.h>
! 82:
! 83: #include <compat/osf1/osf1.h>
! 84: #include <compat/osf1/osf1_syscallargs.h>
! 85: #include <compat/osf1/osf1_util.h>
! 86: #include <compat/osf1/osf1_cvt.h>
! 87:
! 88: int
! 89: osf1_sys_access(p, v, retval)
! 90: struct proc *p;
! 91: void *v;
! 92: register_t *retval;
! 93: {
! 94: struct osf1_sys_access_args *uap = v;
! 95: struct sys_access_args a;
! 96: unsigned long leftovers;
! 97: caddr_t sg;
! 98:
! 99: sg = stackgap_init(p->p_emul);
! 100: OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
! 101:
! 102: SCARG(&a, path) = SCARG(uap, path);
! 103:
! 104: /* translate flags */
! 105: SCARG(&a, flags) = emul_flags_translate(osf1_access_flags_xtab,
! 106: SCARG(uap, flags), &leftovers);
! 107: if (leftovers != 0)
! 108: return (EINVAL);
! 109:
! 110: return sys_access(p, &a, retval);
! 111: }
! 112:
! 113: int
! 114: osf1_sys_execve(p, v, retval)
! 115: struct proc *p;
! 116: void *v;
! 117: register_t *retval;
! 118: {
! 119: struct osf1_sys_execve_args *uap = v;
! 120: struct sys_execve_args ap;
! 121: caddr_t sg;
! 122:
! 123: sg = stackgap_init(p->p_emul);
! 124: OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
! 125:
! 126: SCARG(&ap, path) = SCARG(uap, path);
! 127: SCARG(&ap, argp) = SCARG(uap, argp);
! 128: SCARG(&ap, envp) = SCARG(uap, envp);
! 129:
! 130: return sys_execve(p, &ap, retval);
! 131: }
! 132:
! 133: /*
! 134: * Get file status; this version does not follow links.
! 135: */
! 136: /* ARGSUSED */
! 137: int
! 138: osf1_sys_lstat(p, v, retval)
! 139: struct proc *p;
! 140: void *v;
! 141: register_t *retval;
! 142: {
! 143: struct osf1_sys_lstat_args *uap = v;
! 144: struct stat sb;
! 145: struct osf1_stat osb;
! 146: int error;
! 147: struct nameidata nd;
! 148: caddr_t sg;
! 149:
! 150: sg = stackgap_init(p->p_emul);
! 151: OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
! 152:
! 153: NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE,
! 154: SCARG(uap, path), p);
! 155: if ((error = namei(&nd)))
! 156: return (error);
! 157: error = vn_stat(nd.ni_vp, &sb, p);
! 158: vput(nd.ni_vp);
! 159: if (error)
! 160: return (error);
! 161: osf1_cvt_stat_from_native(&sb, &osb);
! 162: error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
! 163: return (error);
! 164: }
! 165:
! 166: int
! 167: osf1_sys_mknod(p, v, retval)
! 168: struct proc *p;
! 169: void *v;
! 170: register_t *retval;
! 171: {
! 172: struct osf1_sys_mknod_args *uap = v;
! 173: struct sys_mknod_args a;
! 174: caddr_t sg;
! 175:
! 176: sg = stackgap_init(p->p_emul);
! 177: OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
! 178:
! 179: SCARG(&a, path) = SCARG(uap, path);
! 180: SCARG(&a, mode) = SCARG(uap, mode);
! 181: SCARG(&a, dev) = osf1_cvt_dev_to_native(SCARG(uap, dev));
! 182:
! 183: return sys_mknod(p, &a, retval);
! 184: }
! 185:
! 186: int
! 187: osf1_sys_open(p, v, retval)
! 188: struct proc *p;
! 189: void *v;
! 190: register_t *retval;
! 191: {
! 192: struct osf1_sys_open_args *uap = v;
! 193: struct sys_open_args a;
! 194: char *path;
! 195: caddr_t sg;
! 196: unsigned long leftovers;
! 197: #ifdef SYSCALL_DEBUG
! 198: char pnbuf[1024];
! 199:
! 200: if (scdebug &&
! 201: copyinstr(SCARG(uap, path), pnbuf, sizeof pnbuf, NULL) == 0)
! 202: printf("osf1_open: open: %s\n", pnbuf);
! 203: #endif
! 204:
! 205: sg = stackgap_init(p->p_emul);
! 206:
! 207: /* translate flags */
! 208: SCARG(&a, flags) = emul_flags_translate(osf1_open_flags_xtab,
! 209: SCARG(uap, flags), &leftovers);
! 210: if (leftovers != 0)
! 211: return (EINVAL);
! 212:
! 213: /* copy mode, no translation necessary */
! 214: SCARG(&a, mode) = SCARG(uap, mode);
! 215:
! 216: /* pick appropriate path */
! 217: path = SCARG(uap, path);
! 218: if (SCARG(&a, flags) & O_CREAT)
! 219: OSF1_CHECK_ALT_CREAT(p, &sg, path);
! 220: else
! 221: OSF1_CHECK_ALT_EXIST(p, &sg, path);
! 222: SCARG(&a, path) = path;
! 223:
! 224: return sys_open(p, &a, retval);
! 225: }
! 226:
! 227: int
! 228: osf1_sys_pathconf(p, v, retval)
! 229: struct proc *p;
! 230: void *v;
! 231: register_t *retval;
! 232: {
! 233: struct osf1_sys_pathconf_args *uap = v;
! 234: struct sys_pathconf_args a;
! 235: caddr_t sg;
! 236: int error;
! 237:
! 238: sg = stackgap_init(p->p_emul);
! 239:
! 240: OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
! 241: SCARG(&a, path) = SCARG(uap, path);
! 242:
! 243: error = osf1_cvt_pathconf_name_to_native(SCARG(uap, name),
! 244: &SCARG(&a, name));
! 245:
! 246: if (error == 0)
! 247: error = sys_pathconf(p, &a, retval);
! 248:
! 249: return (error);
! 250: }
! 251:
! 252: /*
! 253: * Get file status; this version follows links.
! 254: */
! 255: /* ARGSUSED */
! 256: int
! 257: osf1_sys_stat(p, v, retval)
! 258: struct proc *p;
! 259: void *v;
! 260: register_t *retval;
! 261: {
! 262: struct osf1_sys_stat_args *uap = v;
! 263: struct stat sb;
! 264: struct osf1_stat osb;
! 265: int error;
! 266: struct nameidata nd;
! 267: caddr_t sg;
! 268:
! 269: sg = stackgap_init(p->p_emul);
! 270: OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
! 271:
! 272: NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
! 273: SCARG(uap, path), p);
! 274: if ((error = namei(&nd)))
! 275: return (error);
! 276: error = vn_stat(nd.ni_vp, &sb, p);
! 277: vput(nd.ni_vp);
! 278: if (error)
! 279: return (error);
! 280: osf1_cvt_stat_from_native(&sb, &osb);
! 281: error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
! 282: return (error);
! 283: }
! 284:
! 285: int
! 286: osf1_sys_truncate(p, v, retval)
! 287: struct proc *p;
! 288: void *v;
! 289: register_t *retval;
! 290: {
! 291: struct osf1_sys_truncate_args *uap = v;
! 292: struct sys_truncate_args a;
! 293: caddr_t sg;
! 294:
! 295: sg = stackgap_init(p->p_emul);
! 296: OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
! 297:
! 298: SCARG(&a, path) = SCARG(uap, path);
! 299: SCARG(&a, pad) = 0;
! 300: SCARG(&a, length) = SCARG(uap, length);
! 301:
! 302: return sys_truncate(p, &a, retval);
! 303: }
! 304:
! 305: int
! 306: osf1_sys_utimes(p, v, retval)
! 307: struct proc *p;
! 308: void *v;
! 309: register_t *retval;
! 310: {
! 311: struct osf1_sys_utimes_args *uap = v;
! 312: struct sys_utimes_args a;
! 313: struct osf1_timeval otv;
! 314: struct timeval tv;
! 315: caddr_t sg;
! 316: int error;
! 317:
! 318: sg = stackgap_init(p->p_emul);
! 319:
! 320: OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
! 321: SCARG(&a, path) = SCARG(uap, path);
! 322:
! 323: error = 0;
! 324: if (SCARG(uap, tptr) == NULL)
! 325: SCARG(&a, tptr) = NULL;
! 326: else {
! 327: SCARG(&a, tptr) = stackgap_alloc(&sg, sizeof tv);
! 328:
! 329: /* get the OSF/1 timeval argument */
! 330: error = copyin((caddr_t)SCARG(uap, tptr),
! 331: (caddr_t)&otv, sizeof otv);
! 332: if (error == 0) {
! 333:
! 334: /* fill in and copy out the NetBSD timeval */
! 335: memset(&tv, 0, sizeof tv);
! 336: tv.tv_sec = otv.tv_sec;
! 337: tv.tv_usec = otv.tv_usec;
! 338:
! 339: error = copyout((caddr_t)&tv,
! 340: (caddr_t)SCARG(&a, tptr), sizeof tv);
! 341: }
! 342: }
! 343:
! 344: if (error == 0)
! 345: error = sys_utimes(p, &a, retval);
! 346:
! 347: return (error);
! 348: }
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