linux_file.c revision 202113
19313Ssos/*- 29313Ssos * Copyright (c) 1994-1995 S�ren Schmidt 39313Ssos * All rights reserved. 49313Ssos * 59313Ssos * Redistribution and use in source and binary forms, with or without 69313Ssos * modification, are permitted provided that the following conditions 79313Ssos * are met: 89313Ssos * 1. Redistributions of source code must retain the above copyright 9111798Sdes * notice, this list of conditions and the following disclaimer 109313Ssos * in this position and unchanged. 119313Ssos * 2. Redistributions in binary form must reproduce the above copyright 129313Ssos * notice, this list of conditions and the following disclaimer in the 139313Ssos * documentation and/or other materials provided with the distribution. 149313Ssos * 3. The name of the author may not be used to endorse or promote products 1597748Sschweikh * derived from this software without specific prior written permission 169313Ssos * 179313Ssos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 189313Ssos * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 199313Ssos * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 209313Ssos * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 219313Ssos * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 229313Ssos * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 239313Ssos * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 249313Ssos * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 259313Ssos * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 269313Ssos * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 279313Ssos */ 289313Ssos 29116173Sobrien#include <sys/cdefs.h> 30116173Sobrien__FBSDID("$FreeBSD: head/sys/compat/linux/linux_file.c 202113 2010-01-11 20:44:05Z mckusick $"); 31116173Sobrien 32156874Sru#include "opt_compat.h" 3331784Seivind 349313Ssos#include <sys/param.h> 359313Ssos#include <sys/systm.h> 3676166Smarkm#include <sys/conf.h> 3776166Smarkm#include <sys/dirent.h> 389313Ssos#include <sys/fcntl.h> 399313Ssos#include <sys/file.h> 409313Ssos#include <sys/filedesc.h> 4131561Sbde#include <sys/lock.h> 429313Ssos#include <sys/malloc.h> 4372538Sjlemon#include <sys/mount.h> 4476166Smarkm#include <sys/mutex.h> 45168014Sjulian#include <sys/namei.h> 4676166Smarkm#include <sys/proc.h> 47162201Snetchild#include <sys/stat.h> 48166085Skib#include <sys/sx.h> 49102814Siedowse#include <sys/syscallsubr.h> 5076166Smarkm#include <sys/sysproto.h> 5114331Speter#include <sys/tty.h> 52162585Snetchild#include <sys/unistd.h> 5376166Smarkm#include <sys/vnode.h> 5412458Sbde 55163606Srwatson#include <security/mac/mac_framework.h> 56163606Srwatson 5772538Sjlemon#include <ufs/ufs/extattr.h> 5872538Sjlemon#include <ufs/ufs/quota.h> 5972538Sjlemon#include <ufs/ufs/ufsmount.h> 6072538Sjlemon 61140214Sobrien#ifdef COMPAT_LINUX32 62140214Sobrien#include <machine/../linux32/linux.h> 63140214Sobrien#include <machine/../linux32/linux32_proto.h> 64140214Sobrien#else 6564905Smarcel#include <machine/../linux/linux.h> 6668583Smarcel#include <machine/../linux/linux_proto.h> 67133816Stjr#endif 6864905Smarcel#include <compat/linux/linux_util.h> 69177997Skib#include <compat/linux/linux_file.h> 709313Ssos 719313Ssosint 7283366Sjulianlinux_creat(struct thread *td, struct linux_creat_args *args) 739313Ssos{ 74102814Siedowse char *path; 75102814Siedowse int error; 769313Ssos 77102814Siedowse LCONVPATHEXIST(td, args->path, &path); 7814331Speter 799313Ssos#ifdef DEBUG 8072543Sjlemon if (ldebug(creat)) 81102814Siedowse printf(ARGS(creat, "%s, %d"), path, args->mode); 829313Ssos#endif 83102814Siedowse error = kern_open(td, path, UIO_SYSSPACE, O_WRONLY | O_CREAT | O_TRUNC, 84102814Siedowse args->mode); 85102814Siedowse LFREEPATH(path); 86102814Siedowse return (error); 879313Ssos} 889313Ssos 89168014Sjulian 90168014Sjulianstatic int 91177997Skiblinux_common_open(struct thread *td, int dirfd, char *path, int l_flags, int mode) 929313Ssos{ 9383382Sjhb struct proc *p = td->td_proc; 94166085Skib struct file *fp; 95166085Skib int fd; 96102814Siedowse int bsd_flags, error; 9714331Speter 98102814Siedowse bsd_flags = 0; 99168014Sjulian switch (l_flags & LINUX_O_ACCMODE) { 100168014Sjulian case LINUX_O_WRONLY: 101102814Siedowse bsd_flags |= O_WRONLY; 102168014Sjulian break; 103168014Sjulian case LINUX_O_RDWR: 104102814Siedowse bsd_flags |= O_RDWR; 105168014Sjulian break; 106168014Sjulian default: 107168014Sjulian bsd_flags |= O_RDONLY; 108168014Sjulian } 109168014Sjulian if (l_flags & LINUX_O_NDELAY) 110102814Siedowse bsd_flags |= O_NONBLOCK; 111168014Sjulian if (l_flags & LINUX_O_APPEND) 112102814Siedowse bsd_flags |= O_APPEND; 113168014Sjulian if (l_flags & LINUX_O_SYNC) 114102814Siedowse bsd_flags |= O_FSYNC; 115168014Sjulian if (l_flags & LINUX_O_NONBLOCK) 116102814Siedowse bsd_flags |= O_NONBLOCK; 117168014Sjulian if (l_flags & LINUX_FASYNC) 118102814Siedowse bsd_flags |= O_ASYNC; 119168014Sjulian if (l_flags & LINUX_O_CREAT) 120102814Siedowse bsd_flags |= O_CREAT; 121168014Sjulian if (l_flags & LINUX_O_TRUNC) 122102814Siedowse bsd_flags |= O_TRUNC; 123168014Sjulian if (l_flags & LINUX_O_EXCL) 124102814Siedowse bsd_flags |= O_EXCL; 125168014Sjulian if (l_flags & LINUX_O_NOCTTY) 126102814Siedowse bsd_flags |= O_NOCTTY; 127168014Sjulian if (l_flags & LINUX_O_DIRECT) 128166085Skib bsd_flags |= O_DIRECT; 129168014Sjulian if (l_flags & LINUX_O_NOFOLLOW) 130166085Skib bsd_flags |= O_NOFOLLOW; 131166085Skib /* XXX LINUX_O_NOATIME: unable to be easily implemented. */ 1329313Ssos 133178036Srdivacky error = kern_openat(td, dirfd, path, UIO_SYSSPACE, bsd_flags, mode); 134178036Srdivacky 135166085Skib if (!error) { 136166085Skib fd = td->td_retval[0]; 137166085Skib /* 138166085Skib * XXX In between kern_open() and fget(), another process 139166085Skib * having the same filedesc could use that fd without 140166085Skib * checking below. 141166085Skib */ 142166085Skib error = fget(td, fd, &fp); 143166085Skib if (!error) { 144166085Skib sx_slock(&proctree_lock); 145166085Skib PROC_LOCK(p); 146166085Skib if (!(bsd_flags & O_NOCTTY) && 147166085Skib SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 148166085Skib PROC_UNLOCK(p); 149166085Skib sx_unlock(&proctree_lock); 150166085Skib if (fp->f_type == DTYPE_VNODE) 151166085Skib (void) fo_ioctl(fp, TIOCSCTTY, (caddr_t) 0, 152166085Skib td->td_ucred, td); 153166085Skib } else { 154166085Skib PROC_UNLOCK(p); 155166085Skib sx_sunlock(&proctree_lock); 156166085Skib } 157168014Sjulian if (l_flags & LINUX_O_DIRECTORY) { 158166085Skib if (fp->f_type != DTYPE_VNODE || 159166085Skib fp->f_vnode->v_type != VDIR) { 160166085Skib error = ENOTDIR; 161166085Skib } 162166085Skib } 163166085Skib fdrop(fp, td); 164166085Skib /* 165166085Skib * XXX as above, fdrop()/kern_close() pair is racy. 166166085Skib */ 167166085Skib if (error) 168166085Skib kern_close(td, fd); 169166085Skib } 170166085Skib } 1719313Ssos 17214331Speter#ifdef DEBUG 173166085Skib if (ldebug(open)) 174166085Skib printf(LMSG("open returns error %d"), error); 17514331Speter#endif 176177997Skib LFREEPATH(path); 177177997Skib return (error); 1789313Ssos} 1799313Ssos 1809313Ssosint 181168014Sjulianlinux_openat(struct thread *td, struct linux_openat_args *args) 182168014Sjulian{ 183177997Skib char *path; 184177997Skib int dfd; 185168014Sjulian 186177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 187177997Skib if (args->flags & LINUX_O_CREAT) 188177997Skib LCONVPATH_AT(td, args->filename, &path, 1, dfd); 189177997Skib else 190177997Skib LCONVPATH_AT(td, args->filename, &path, 0, dfd); 191168014Sjulian#ifdef DEBUG 192168014Sjulian if (ldebug(openat)) 193168014Sjulian printf(ARGS(openat, "%i, %s, 0x%x, 0x%x"), args->dfd, 194177997Skib path, args->flags, args->mode); 195168014Sjulian#endif 196177997Skib return (linux_common_open(td, dfd, path, args->flags, args->mode)); 197168014Sjulian} 198168014Sjulian 199168014Sjulianint 200168014Sjulianlinux_open(struct thread *td, struct linux_open_args *args) 201168014Sjulian{ 202168014Sjulian char *path; 203168014Sjulian 204168014Sjulian if (args->flags & LINUX_O_CREAT) 205168014Sjulian LCONVPATHCREAT(td, args->path, &path); 206168014Sjulian else 207168014Sjulian LCONVPATHEXIST(td, args->path, &path); 208168014Sjulian 209168014Sjulian#ifdef DEBUG 210168014Sjulian if (ldebug(open)) 211168014Sjulian printf(ARGS(open, "%s, 0x%x, 0x%x"), 212168014Sjulian path, args->flags, args->mode); 213168014Sjulian#endif 214168014Sjulian 215178036Srdivacky return (linux_common_open(td, AT_FDCWD, path, args->flags, args->mode)); 216168014Sjulian} 217168014Sjulian 218168014Sjulianint 21983366Sjulianlinux_lseek(struct thread *td, struct linux_lseek_args *args) 2209313Ssos{ 2219313Ssos 22212858Speter struct lseek_args /* { 22312858Speter int fd; 2249313Ssos int pad; 22512858Speter off_t offset; 2269313Ssos int whence; 22712858Speter } */ tmp_args; 2289313Ssos int error; 2299313Ssos 2309313Ssos#ifdef DEBUG 23172543Sjlemon if (ldebug(lseek)) 23272543Sjlemon printf(ARGS(lseek, "%d, %ld, %d"), 23383221Smarcel args->fdes, (long)args->off, args->whence); 2349313Ssos#endif 23512858Speter tmp_args.fd = args->fdes; 23612858Speter tmp_args.offset = (off_t)args->off; 2379313Ssos tmp_args.whence = args->whence; 23883366Sjulian error = lseek(td, &tmp_args); 2399313Ssos return error; 2409313Ssos} 2419313Ssos 24214331Speterint 24383366Sjulianlinux_llseek(struct thread *td, struct linux_llseek_args *args) 24414331Speter{ 24514331Speter struct lseek_args bsd_args; 24614331Speter int error; 24714331Speter off_t off; 24814331Speter 24914331Speter#ifdef DEBUG 25072543Sjlemon if (ldebug(llseek)) 25172543Sjlemon printf(ARGS(llseek, "%d, %d:%d, %d"), 25272543Sjlemon args->fd, args->ohigh, args->olow, args->whence); 25314331Speter#endif 25414331Speter off = (args->olow) | (((off_t) args->ohigh) << 32); 25514331Speter 25614331Speter bsd_args.fd = args->fd; 25714331Speter bsd_args.offset = off; 25814331Speter bsd_args.whence = args->whence; 25914331Speter 26083366Sjulian if ((error = lseek(td, &bsd_args))) 26114331Speter return error; 26214331Speter 263111797Sdes if ((error = copyout(td->td_retval, args->res, sizeof (off_t)))) 26414331Speter return error; 26514331Speter 26683366Sjulian td->td_retval[0] = 0; 26714331Speter return 0; 26814331Speter} 26914331Speter 2709313Ssosint 27183366Sjulianlinux_readdir(struct thread *td, struct linux_readdir_args *args) 2729313Ssos{ 27314331Speter struct linux_getdents_args lda; 27414331Speter 27514331Speter lda.fd = args->fd; 27614331Speter lda.dent = args->dent; 27714331Speter lda.count = 1; 27883366Sjulian return linux_getdents(td, &lda); 27914331Speter} 28014331Speter 28183221Smarcel/* 28283221Smarcel * Note that linux_getdents(2) and linux_getdents64(2) have the same 28383221Smarcel * arguments. They only differ in the definition of struct dirent they 28483221Smarcel * operate on. We use this to common the code, with the exception of 28583221Smarcel * accessing struct dirent. Note that linux_readdir(2) is implemented 28683221Smarcel * by means of linux_getdents(2). In this case we never operate on 28783221Smarcel * struct dirent64 and thus don't need to handle it... 28883221Smarcel */ 28983221Smarcel 29083221Smarcelstruct l_dirent { 291179651Srdivacky l_ulong d_ino; 29283221Smarcel l_off_t d_off; 29383221Smarcel l_ushort d_reclen; 29483221Smarcel char d_name[LINUX_NAME_MAX + 1]; 29583221Smarcel}; 29683221Smarcel 29783221Smarcelstruct l_dirent64 { 29883221Smarcel uint64_t d_ino; 29983221Smarcel int64_t d_off; 30083221Smarcel l_ushort d_reclen; 30183221Smarcel u_char d_type; 30283221Smarcel char d_name[LINUX_NAME_MAX + 1]; 30383221Smarcel}; 30483221Smarcel 305182892Srdivacky/* 306182892Srdivacky * Linux uses the last byte in the dirent buffer to store d_type, 307182892Srdivacky * at least glibc-2.7 requires it. That is why l_dirent is padded with 2 bytes. 308182892Srdivacky */ 309182892Srdivacky#define LINUX_RECLEN(namlen) \ 310182892Srdivacky roundup((offsetof(struct l_dirent, d_name) + (namlen) + 2), \ 311182892Srdivacky sizeof(l_ulong)) 31283221Smarcel 313182892Srdivacky#define LINUX_RECLEN64(namlen) \ 314182892Srdivacky roundup((offsetof(struct l_dirent64, d_name) + (namlen) + 1), \ 315182892Srdivacky sizeof(uint64_t)) 316182892Srdivacky 317182892Srdivacky#define LINUX_MAXRECLEN max(LINUX_RECLEN(LINUX_NAME_MAX), \ 318182892Srdivacky LINUX_RECLEN64(LINUX_NAME_MAX)) 31983221Smarcel#define LINUX_DIRBLKSIZ 512 32083221Smarcel 32183221Smarcelstatic int 32283366Sjuliangetdents_common(struct thread *td, struct linux_getdents64_args *args, 32383221Smarcel int is64bit) 32414331Speter{ 325111798Sdes struct dirent *bdp; 32683221Smarcel struct vnode *vp; 32783221Smarcel caddr_t inp, buf; /* BSD-format */ 32883221Smarcel int len, reclen; /* BSD-format */ 32983221Smarcel caddr_t outp; /* Linux-format */ 33083221Smarcel int resid, linuxreclen=0; /* Linux-format */ 331182892Srdivacky caddr_t lbuf; /* Linux-format */ 33283221Smarcel struct file *fp; 33383221Smarcel struct uio auio; 33483221Smarcel struct iovec aiov; 33583221Smarcel off_t off; 336182892Srdivacky struct l_dirent *linux_dirent; 337182892Srdivacky struct l_dirent64 *linux_dirent64; 33883221Smarcel int buflen, error, eofflag, nbytes, justone; 33983221Smarcel u_long *cookies = NULL, *cookiep; 340160276Sjhb int ncookies, vfslocked; 3419313Ssos 342160276Sjhb nbytes = args->count; 343160276Sjhb if (nbytes == 1) { 344160276Sjhb /* readdir(2) case. Always struct dirent. */ 345160276Sjhb if (is64bit) 346160276Sjhb return (EINVAL); 347188572Snetchild nbytes = sizeof(*linux_dirent); 348160276Sjhb justone = 1; 349160276Sjhb } else 350160276Sjhb justone = 0; 351160276Sjhb 35283366Sjulian if ((error = getvnode(td->td_proc->p_fd, args->fd, &fp)) != 0) 35383221Smarcel return (error); 3549313Ssos 35589306Salfred if ((fp->f_flag & FREAD) == 0) { 35689306Salfred fdrop(fp, td); 35783221Smarcel return (EBADF); 35889306Salfred } 3599313Ssos 360116678Sphk vp = fp->f_vnode; 361160276Sjhb vfslocked = VFS_LOCK_GIANT(vp->v_mount); 36289306Salfred if (vp->v_type != VDIR) { 363160276Sjhb VFS_UNLOCK_GIANT(vfslocked); 36489306Salfred fdrop(fp, td); 36583221Smarcel return (EINVAL); 36689306Salfred } 3679313Ssos 36883221Smarcel off = fp->f_offset; 3699313Ssos 37083221Smarcel buflen = max(LINUX_DIRBLKSIZ, nbytes); 37183221Smarcel buflen = min(buflen, MAXBSIZE); 372111119Simp buf = malloc(buflen, M_TEMP, M_WAITOK); 373182892Srdivacky lbuf = malloc(LINUX_MAXRECLEN, M_TEMP, M_WAITOK | M_ZERO); 374188588Sjhb vn_lock(vp, LK_SHARED | LK_RETRY); 37583221Smarcel 3769313Ssosagain: 37783221Smarcel aiov.iov_base = buf; 37883221Smarcel aiov.iov_len = buflen; 37983221Smarcel auio.uio_iov = &aiov; 38083221Smarcel auio.uio_iovcnt = 1; 38183221Smarcel auio.uio_rw = UIO_READ; 38283221Smarcel auio.uio_segflg = UIO_SYSSPACE; 38383366Sjulian auio.uio_td = td; 38483221Smarcel auio.uio_resid = buflen; 38583221Smarcel auio.uio_offset = off; 3869313Ssos 38783221Smarcel if (cookies) { 38883221Smarcel free(cookies, M_TEMP); 38983221Smarcel cookies = NULL; 39083221Smarcel } 39124654Sdfr 392101189Srwatson#ifdef MAC 393101189Srwatson /* 394101189Srwatson * Do directory search MAC check using non-cached credentials. 395101189Srwatson */ 396172930Srwatson if ((error = mac_vnode_check_readdir(td->td_ucred, vp))) 397101189Srwatson goto out; 398101189Srwatson#endif /* MAC */ 39983221Smarcel if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, 40083221Smarcel &cookies))) 40183221Smarcel goto out; 4029313Ssos 40383221Smarcel inp = buf; 40483221Smarcel outp = (caddr_t)args->dirent; 40583221Smarcel resid = nbytes; 40683221Smarcel if ((len = buflen - auio.uio_resid) <= 0) 40783221Smarcel goto eof; 4089313Ssos 40983221Smarcel cookiep = cookies; 41024654Sdfr 41183221Smarcel if (cookies) { 41283221Smarcel /* 41383221Smarcel * When using cookies, the vfs has the option of reading from 41483221Smarcel * a different offset than that supplied (UFS truncates the 41583221Smarcel * offset to a block boundary to make sure that it never reads 41683221Smarcel * partway through a directory entry, even if the directory 41783221Smarcel * has been compacted). 41883221Smarcel */ 41983221Smarcel while (len > 0 && ncookies > 0 && *cookiep <= off) { 42083221Smarcel bdp = (struct dirent *) inp; 42183221Smarcel len -= bdp->d_reclen; 42283221Smarcel inp += bdp->d_reclen; 42383221Smarcel cookiep++; 42483221Smarcel ncookies--; 42583221Smarcel } 42624654Sdfr } 42724654Sdfr 42883221Smarcel while (len > 0) { 42983221Smarcel if (cookiep && ncookies == 0) 43083221Smarcel break; 43183221Smarcel bdp = (struct dirent *) inp; 43283221Smarcel reclen = bdp->d_reclen; 43383221Smarcel if (reclen & 3) { 43483221Smarcel error = EFAULT; 43583221Smarcel goto out; 43683221Smarcel } 43783221Smarcel 43883221Smarcel if (bdp->d_fileno == 0) { 43983221Smarcel inp += reclen; 44083221Smarcel if (cookiep) { 44183221Smarcel off = *cookiep++; 44283221Smarcel ncookies--; 44383221Smarcel } else 44483221Smarcel off += reclen; 44583221Smarcel 44683221Smarcel len -= reclen; 44783221Smarcel continue; 44883221Smarcel } 44983221Smarcel 45083221Smarcel linuxreclen = (is64bit) 451182892Srdivacky ? LINUX_RECLEN64(bdp->d_namlen) 452182892Srdivacky : LINUX_RECLEN(bdp->d_namlen); 45383221Smarcel 45483221Smarcel if (reclen > len || resid < linuxreclen) { 45583221Smarcel outp++; 45683221Smarcel break; 45783221Smarcel } 45883221Smarcel 45983221Smarcel if (justone) { 46083221Smarcel /* readdir(2) case. */ 461182892Srdivacky linux_dirent = (struct l_dirent*)lbuf; 462182892Srdivacky linux_dirent->d_ino = bdp->d_fileno; 463182892Srdivacky linux_dirent->d_off = (l_off_t)linuxreclen; 464182892Srdivacky linux_dirent->d_reclen = (l_ushort)bdp->d_namlen; 465182892Srdivacky strlcpy(linux_dirent->d_name, bdp->d_name, 466182892Srdivacky linuxreclen - offsetof(struct l_dirent, d_name)); 467182892Srdivacky error = copyout(linux_dirent, outp, linuxreclen); 46883221Smarcel } 469182892Srdivacky if (is64bit) { 470182892Srdivacky linux_dirent64 = (struct l_dirent64*)lbuf; 471182892Srdivacky linux_dirent64->d_ino = bdp->d_fileno; 472182892Srdivacky linux_dirent64->d_off = (cookiep) 473182892Srdivacky ? (l_off_t)*cookiep 474182892Srdivacky : (l_off_t)(off + reclen); 475182892Srdivacky linux_dirent64->d_reclen = (l_ushort)linuxreclen; 476182892Srdivacky linux_dirent64->d_type = bdp->d_type; 477182892Srdivacky strlcpy(linux_dirent64->d_name, bdp->d_name, 478182892Srdivacky linuxreclen - offsetof(struct l_dirent64, d_name)); 479182892Srdivacky error = copyout(linux_dirent64, outp, linuxreclen); 480182892Srdivacky } else if (!justone) { 481182892Srdivacky linux_dirent = (struct l_dirent*)lbuf; 482182892Srdivacky linux_dirent->d_ino = bdp->d_fileno; 483182892Srdivacky linux_dirent->d_off = (cookiep) 484182892Srdivacky ? (l_off_t)*cookiep 485182892Srdivacky : (l_off_t)(off + reclen); 486182892Srdivacky linux_dirent->d_reclen = (l_ushort)linuxreclen; 487182892Srdivacky /* 488182892Srdivacky * Copy d_type to last byte of l_dirent buffer 489182892Srdivacky */ 490182892Srdivacky lbuf[linuxreclen-1] = bdp->d_type; 491182892Srdivacky strlcpy(linux_dirent->d_name, bdp->d_name, 492182892Srdivacky linuxreclen - offsetof(struct l_dirent, d_name)-1); 493182892Srdivacky error = copyout(linux_dirent, outp, linuxreclen); 494182892Srdivacky } 495182892Srdivacky 49683221Smarcel if (error) 49783221Smarcel goto out; 49883221Smarcel 49983221Smarcel inp += reclen; 50083221Smarcel if (cookiep) { 50183221Smarcel off = *cookiep++; 50283221Smarcel ncookies--; 50383221Smarcel } else 50483221Smarcel off += reclen; 50583221Smarcel 50683221Smarcel outp += linuxreclen; 50783221Smarcel resid -= linuxreclen; 50883221Smarcel len -= reclen; 50983221Smarcel if (justone) 51083221Smarcel break; 51110355Sswallace } 5129313Ssos 51383221Smarcel if (outp == (caddr_t)args->dirent) 51483221Smarcel goto again; 5159313Ssos 51683221Smarcel fp->f_offset = off; 51783221Smarcel if (justone) 51883221Smarcel nbytes = resid + linuxreclen; 51910355Sswallace 5209313Ssoseof: 52183366Sjulian td->td_retval[0] = nbytes - resid; 52283221Smarcel 5239313Ssosout: 52483221Smarcel if (cookies) 52583221Smarcel free(cookies, M_TEMP); 52683221Smarcel 527175294Sattilio VOP_UNLOCK(vp, 0); 528160276Sjhb VFS_UNLOCK_GIANT(vfslocked); 52989306Salfred fdrop(fp, td); 53083221Smarcel free(buf, M_TEMP); 531182892Srdivacky free(lbuf, M_TEMP); 53283221Smarcel return (error); 5339313Ssos} 53414331Speter 53583221Smarcelint 53683366Sjulianlinux_getdents(struct thread *td, struct linux_getdents_args *args) 53783221Smarcel{ 53883221Smarcel 53983221Smarcel#ifdef DEBUG 54083221Smarcel if (ldebug(getdents)) 54183221Smarcel printf(ARGS(getdents, "%d, *, %d"), args->fd, args->count); 54283221Smarcel#endif 54383221Smarcel 54483366Sjulian return (getdents_common(td, (struct linux_getdents64_args*)args, 0)); 54583221Smarcel} 54683221Smarcel 54783221Smarcelint 54883366Sjulianlinux_getdents64(struct thread *td, struct linux_getdents64_args *args) 54983221Smarcel{ 55083221Smarcel 55183221Smarcel#ifdef DEBUG 55283221Smarcel if (ldebug(getdents64)) 55383221Smarcel printf(ARGS(getdents64, "%d, *, %d"), args->fd, args->count); 55483221Smarcel#endif 55583221Smarcel 55683366Sjulian return (getdents_common(td, args, 1)); 55783221Smarcel} 55883221Smarcel 55914331Speter/* 56014331Speter * These exist mainly for hooks for doing /compat/linux translation. 56114331Speter */ 56214331Speter 56314331Speterint 56483366Sjulianlinux_access(struct thread *td, struct linux_access_args *args) 56514331Speter{ 566102814Siedowse char *path; 567102814Siedowse int error; 56814331Speter 569162585Snetchild /* linux convention */ 570162585Snetchild if (args->flags & ~(F_OK | X_OK | W_OK | R_OK)) 571162585Snetchild return (EINVAL); 572162585Snetchild 573102814Siedowse LCONVPATHEXIST(td, args->path, &path); 57414331Speter 57514331Speter#ifdef DEBUG 57672543Sjlemon if (ldebug(access)) 577102814Siedowse printf(ARGS(access, "%s, %d"), path, args->flags); 57814331Speter#endif 579102814Siedowse error = kern_access(td, path, UIO_SYSSPACE, args->flags); 580102814Siedowse LFREEPATH(path); 581162585Snetchild 582102814Siedowse return (error); 58314331Speter} 58414331Speter 58514331Speterint 586177997Skiblinux_faccessat(struct thread *td, struct linux_faccessat_args *args) 587177997Skib{ 588177997Skib char *path; 589177997Skib int error, dfd; 590177997Skib 591177997Skib /* linux convention */ 592177997Skib if (args->mode & ~(F_OK | X_OK | W_OK | R_OK)) 593177997Skib return (EINVAL); 594177997Skib 595177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 596177997Skib LCONVPATHEXIST_AT(td, args->filename, &path, dfd); 597177997Skib 598177997Skib#ifdef DEBUG 599177997Skib if (ldebug(access)) 600177997Skib printf(ARGS(access, "%s, %d"), path, args->mode); 601177997Skib#endif 602177997Skib 603177997Skib error = kern_accessat(td, dfd, path, UIO_SYSSPACE, 0 /* XXX */, 604177997Skib args->mode); 605177997Skib LFREEPATH(path); 606177997Skib 607177997Skib return (error); 608177997Skib} 609177997Skib 610177997Skibint 61183366Sjulianlinux_unlink(struct thread *td, struct linux_unlink_args *args) 61214331Speter{ 613102814Siedowse char *path; 614102814Siedowse int error; 615162201Snetchild struct stat st; 61614331Speter 617102814Siedowse LCONVPATHEXIST(td, args->path, &path); 61814331Speter 61914331Speter#ifdef DEBUG 62072543Sjlemon if (ldebug(unlink)) 621102814Siedowse printf(ARGS(unlink, "%s"), path); 62214331Speter#endif 62314331Speter 624102814Siedowse error = kern_unlink(td, path, UIO_SYSSPACE); 625162201Snetchild if (error == EPERM) 626162201Snetchild /* Introduce POSIX noncompliant behaviour of Linux */ 627162201Snetchild if (kern_stat(td, path, UIO_SYSSPACE, &st) == 0) 628162201Snetchild if (S_ISDIR(st.st_mode)) 629162201Snetchild error = EISDIR; 630102814Siedowse LFREEPATH(path); 631102814Siedowse return (error); 63214331Speter} 63314331Speter 63414331Speterint 635177997Skiblinux_unlinkat(struct thread *td, struct linux_unlinkat_args *args) 636177997Skib{ 637177997Skib char *path; 638177997Skib int error, dfd; 639177997Skib struct stat st; 640177997Skib 641177997Skib if (args->flag & ~LINUX_AT_REMOVEDIR) 642177997Skib return (EINVAL); 643177997Skib 644177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 645177997Skib LCONVPATHEXIST_AT(td, args->pathname, &path, dfd); 646177997Skib 647177997Skib#ifdef DEBUG 648177997Skib if (ldebug(unlinkat)) 649177997Skib printf(ARGS(unlinkat, "%s"), path); 650177997Skib#endif 651177997Skib 652177997Skib if (args->flag & LINUX_AT_REMOVEDIR) 653177997Skib error = kern_rmdirat(td, dfd, path, UIO_SYSSPACE); 654177997Skib else 655202113Smckusick error = kern_unlinkat(td, dfd, path, UIO_SYSSPACE, 0); 656177997Skib if (error == EPERM && !(args->flag & LINUX_AT_REMOVEDIR)) { 657177997Skib /* Introduce POSIX noncompliant behaviour of Linux */ 658177997Skib if (kern_statat(td, AT_SYMLINK_NOFOLLOW, dfd, path, 659177997Skib UIO_SYSSPACE, &st) == 0 && S_ISDIR(st.st_mode)) 660177997Skib error = EISDIR; 661177997Skib } 662177997Skib LFREEPATH(path); 663177997Skib return (error); 664177997Skib} 665177997Skibint 66683366Sjulianlinux_chdir(struct thread *td, struct linux_chdir_args *args) 66714331Speter{ 668102814Siedowse char *path; 669102814Siedowse int error; 67014331Speter 671102814Siedowse LCONVPATHEXIST(td, args->path, &path); 67214331Speter 67314331Speter#ifdef DEBUG 67472543Sjlemon if (ldebug(chdir)) 675102814Siedowse printf(ARGS(chdir, "%s"), path); 67614331Speter#endif 677102814Siedowse error = kern_chdir(td, path, UIO_SYSSPACE); 678102814Siedowse LFREEPATH(path); 679102814Siedowse return (error); 68014331Speter} 68114331Speter 68214331Speterint 68383366Sjulianlinux_chmod(struct thread *td, struct linux_chmod_args *args) 68414331Speter{ 685102814Siedowse char *path; 686102814Siedowse int error; 68714331Speter 688102814Siedowse LCONVPATHEXIST(td, args->path, &path); 68914331Speter 69014331Speter#ifdef DEBUG 69172543Sjlemon if (ldebug(chmod)) 692102814Siedowse printf(ARGS(chmod, "%s, %d"), path, args->mode); 69314331Speter#endif 694102814Siedowse error = kern_chmod(td, path, UIO_SYSSPACE, args->mode); 695102814Siedowse LFREEPATH(path); 696102814Siedowse return (error); 69714331Speter} 69814331Speter 69914331Speterint 700177997Skiblinux_fchmodat(struct thread *td, struct linux_fchmodat_args *args) 701177997Skib{ 702177997Skib char *path; 703177997Skib int error, dfd; 704177997Skib 705177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 706177997Skib LCONVPATHEXIST_AT(td, args->filename, &path, dfd); 707177997Skib 708177997Skib#ifdef DEBUG 709177997Skib if (ldebug(fchmodat)) 710177997Skib printf(ARGS(fchmodat, "%s, %d"), path, args->mode); 711177997Skib#endif 712177997Skib 713177997Skib error = kern_fchmodat(td, dfd, path, UIO_SYSSPACE, args->mode, 0); 714177997Skib LFREEPATH(path); 715177997Skib return (error); 716177997Skib} 717177997Skib 718177997Skibint 71983366Sjulianlinux_mkdir(struct thread *td, struct linux_mkdir_args *args) 72014331Speter{ 721102814Siedowse char *path; 722102814Siedowse int error; 72314331Speter 724102814Siedowse LCONVPATHCREAT(td, args->path, &path); 72514331Speter 72614331Speter#ifdef DEBUG 72772543Sjlemon if (ldebug(mkdir)) 728102814Siedowse printf(ARGS(mkdir, "%s, %d"), path, args->mode); 72914331Speter#endif 730102814Siedowse error = kern_mkdir(td, path, UIO_SYSSPACE, args->mode); 731102814Siedowse LFREEPATH(path); 732102814Siedowse return (error); 73314331Speter} 73414331Speter 73514331Speterint 736177997Skiblinux_mkdirat(struct thread *td, struct linux_mkdirat_args *args) 737177997Skib{ 738177997Skib char *path; 739177997Skib int error, dfd; 740177997Skib 741177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 742177997Skib LCONVPATHCREAT_AT(td, args->pathname, &path, dfd); 743177997Skib 744177997Skib#ifdef DEBUG 745177997Skib if (ldebug(mkdirat)) 746177997Skib printf(ARGS(mkdirat, "%s, %d"), path, args->mode); 747177997Skib#endif 748177997Skib error = kern_mkdirat(td, dfd, path, UIO_SYSSPACE, args->mode); 749177997Skib LFREEPATH(path); 750177997Skib return (error); 751177997Skib} 752177997Skib 753177997Skibint 75483366Sjulianlinux_rmdir(struct thread *td, struct linux_rmdir_args *args) 75514331Speter{ 756102814Siedowse char *path; 757102814Siedowse int error; 75814331Speter 759102814Siedowse LCONVPATHEXIST(td, args->path, &path); 76014331Speter 76114331Speter#ifdef DEBUG 76272543Sjlemon if (ldebug(rmdir)) 763102814Siedowse printf(ARGS(rmdir, "%s"), path); 76414331Speter#endif 765102814Siedowse error = kern_rmdir(td, path, UIO_SYSSPACE); 766102814Siedowse LFREEPATH(path); 767102814Siedowse return (error); 76814331Speter} 76914331Speter 77014331Speterint 77183366Sjulianlinux_rename(struct thread *td, struct linux_rename_args *args) 77214331Speter{ 773102814Siedowse char *from, *to; 774102814Siedowse int error; 77514331Speter 776102814Siedowse LCONVPATHEXIST(td, args->from, &from); 777102814Siedowse /* Expand LCONVPATHCREATE so that `from' can be freed on errors */ 778177997Skib error = linux_emul_convpath(td, args->to, UIO_USERSPACE, &to, 1, AT_FDCWD); 779102814Siedowse if (to == NULL) { 780102814Siedowse LFREEPATH(from); 781102814Siedowse return (error); 782102814Siedowse } 78314331Speter 78414331Speter#ifdef DEBUG 78572543Sjlemon if (ldebug(rename)) 786102814Siedowse printf(ARGS(rename, "%s, %s"), from, to); 78714331Speter#endif 788102814Siedowse error = kern_rename(td, from, to, UIO_SYSSPACE); 789102814Siedowse LFREEPATH(from); 790102814Siedowse LFREEPATH(to); 791102814Siedowse return (error); 79214331Speter} 79314331Speter 79414331Speterint 795177997Skiblinux_renameat(struct thread *td, struct linux_renameat_args *args) 796177997Skib{ 797177997Skib char *from, *to; 798177997Skib int error, olddfd, newdfd; 799177997Skib 800177997Skib olddfd = (args->olddfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->olddfd; 801177997Skib newdfd = (args->newdfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->newdfd; 802177997Skib LCONVPATHEXIST_AT(td, args->oldname, &from, olddfd); 803177997Skib /* Expand LCONVPATHCREATE so that `from' can be freed on errors */ 804177997Skib error = linux_emul_convpath(td, args->newname, UIO_USERSPACE, &to, 1, newdfd); 805177997Skib if (to == NULL) { 806177997Skib LFREEPATH(from); 807177997Skib return (error); 808177997Skib } 809177997Skib 810177997Skib#ifdef DEBUG 811177997Skib if (ldebug(renameat)) 812177997Skib printf(ARGS(renameat, "%s, %s"), from, to); 813177997Skib#endif 814177997Skib error = kern_renameat(td, olddfd, from, newdfd, to, UIO_SYSSPACE); 815177997Skib LFREEPATH(from); 816177997Skib LFREEPATH(to); 817177997Skib return (error); 818177997Skib} 819177997Skib 820177997Skibint 82183366Sjulianlinux_symlink(struct thread *td, struct linux_symlink_args *args) 82214331Speter{ 823102814Siedowse char *path, *to; 824102814Siedowse int error; 82514331Speter 826102814Siedowse LCONVPATHEXIST(td, args->path, &path); 827102814Siedowse /* Expand LCONVPATHCREATE so that `path' can be freed on errors */ 828177997Skib error = linux_emul_convpath(td, args->to, UIO_USERSPACE, &to, 1, AT_FDCWD); 829102814Siedowse if (to == NULL) { 830102814Siedowse LFREEPATH(path); 831102814Siedowse return (error); 832102814Siedowse } 83314331Speter 83414331Speter#ifdef DEBUG 83572543Sjlemon if (ldebug(symlink)) 836102814Siedowse printf(ARGS(symlink, "%s, %s"), path, to); 83714331Speter#endif 838102814Siedowse error = kern_symlink(td, path, to, UIO_SYSSPACE); 839102814Siedowse LFREEPATH(path); 840102814Siedowse LFREEPATH(to); 841102814Siedowse return (error); 84214331Speter} 84314331Speter 84414331Speterint 845177997Skiblinux_symlinkat(struct thread *td, struct linux_symlinkat_args *args) 846177997Skib{ 847177997Skib char *path, *to; 848177997Skib int error, dfd; 849177997Skib 850177997Skib dfd = (args->newdfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->newdfd; 851177997Skib LCONVPATHEXIST_AT(td, args->oldname, &path, dfd); 852177997Skib /* Expand LCONVPATHCREATE so that `path' can be freed on errors */ 853177997Skib error = linux_emul_convpath(td, args->newname, UIO_USERSPACE, &to, 1, dfd); 854177997Skib if (to == NULL) { 855177997Skib LFREEPATH(path); 856177997Skib return (error); 857177997Skib } 858177997Skib 859177997Skib#ifdef DEBUG 860177997Skib if (ldebug(symlinkat)) 861177997Skib printf(ARGS(symlinkat, "%s, %s"), path, to); 862177997Skib#endif 863177997Skib 864177997Skib error = kern_symlinkat(td, path, dfd, to, UIO_SYSSPACE); 865177997Skib LFREEPATH(path); 866177997Skib LFREEPATH(to); 867177997Skib return (error); 868177997Skib} 869177997Skib 870177997Skibint 87183366Sjulianlinux_readlink(struct thread *td, struct linux_readlink_args *args) 87214331Speter{ 873102814Siedowse char *name; 874102814Siedowse int error; 87514331Speter 876102814Siedowse LCONVPATHEXIST(td, args->name, &name); 87714331Speter 87814331Speter#ifdef DEBUG 87972543Sjlemon if (ldebug(readlink)) 880102814Siedowse printf(ARGS(readlink, "%s, %p, %d"), name, (void *)args->buf, 881102814Siedowse args->count); 88214331Speter#endif 883102814Siedowse error = kern_readlink(td, name, UIO_SYSSPACE, args->buf, UIO_USERSPACE, 884102814Siedowse args->count); 885102814Siedowse LFREEPATH(name); 886102814Siedowse return (error); 88714331Speter} 88814331Speter 88914331Speterint 890177997Skiblinux_readlinkat(struct thread *td, struct linux_readlinkat_args *args) 891177997Skib{ 892177997Skib char *name; 893177997Skib int error, dfd; 894177997Skib 895177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 896177997Skib LCONVPATHEXIST_AT(td, args->path, &name, dfd); 897177997Skib 898177997Skib#ifdef DEBUG 899177997Skib if (ldebug(readlinkat)) 900177997Skib printf(ARGS(readlinkat, "%s, %p, %d"), name, (void *)args->buf, 901177997Skib args->bufsiz); 902177997Skib#endif 903177997Skib 904177997Skib error = kern_readlinkat(td, dfd, name, UIO_SYSSPACE, args->buf, 905177997Skib UIO_USERSPACE, args->bufsiz); 906177997Skib LFREEPATH(name); 907177997Skib return (error); 908177997Skib} 909178439Srdivacky 910177997Skibint 91183366Sjulianlinux_truncate(struct thread *td, struct linux_truncate_args *args) 91214331Speter{ 913102814Siedowse char *path; 914102814Siedowse int error; 91514331Speter 916102814Siedowse LCONVPATHEXIST(td, args->path, &path); 91714331Speter 91814331Speter#ifdef DEBUG 91972543Sjlemon if (ldebug(truncate)) 920102814Siedowse printf(ARGS(truncate, "%s, %ld"), path, (long)args->length); 92114331Speter#endif 92214331Speter 923102814Siedowse error = kern_truncate(td, path, UIO_SYSSPACE, args->length); 924102814Siedowse LFREEPATH(path); 925102814Siedowse return (error); 92614331Speter} 92714331Speter 92849662Smarcelint 929178439Srdivackylinux_truncate64(struct thread *td, struct linux_truncate64_args *args) 930178439Srdivacky{ 931178439Srdivacky char *path; 932178439Srdivacky int error; 933178439Srdivacky 934178439Srdivacky LCONVPATHEXIST(td, args->path, &path); 935178439Srdivacky 936178439Srdivacky#ifdef DEBUG 937178439Srdivacky if (ldebug(truncate64)) 938178439Srdivacky printf(ARGS(truncate64, "%s, %jd"), path, args->length); 939178439Srdivacky#endif 940178439Srdivacky 941178439Srdivacky error = kern_truncate(td, path, UIO_SYSSPACE, args->length); 942178439Srdivacky LFREEPATH(path); 943178439Srdivacky return (error); 944178439Srdivacky} 945178439Srdivackyint 946156842Snetchildlinux_ftruncate(struct thread *td, struct linux_ftruncate_args *args) 947156842Snetchild{ 948156842Snetchild struct ftruncate_args /* { 949156842Snetchild int fd; 950156842Snetchild int pad; 951156842Snetchild off_t length; 952156842Snetchild } */ nuap; 953156842Snetchild 954156842Snetchild nuap.fd = args->fd; 955156842Snetchild nuap.length = args->length; 956156842Snetchild return (ftruncate(td, &nuap)); 957156842Snetchild} 958156842Snetchild 959156842Snetchildint 96083366Sjulianlinux_link(struct thread *td, struct linux_link_args *args) 96149662Smarcel{ 962102814Siedowse char *path, *to; 963102814Siedowse int error; 96449662Smarcel 965102814Siedowse LCONVPATHEXIST(td, args->path, &path); 966102814Siedowse /* Expand LCONVPATHCREATE so that `path' can be freed on errors */ 967177997Skib error = linux_emul_convpath(td, args->to, UIO_USERSPACE, &to, 1, AT_FDCWD); 968102814Siedowse if (to == NULL) { 969102814Siedowse LFREEPATH(path); 970102814Siedowse return (error); 971102814Siedowse } 97249662Smarcel 97349662Smarcel#ifdef DEBUG 97472543Sjlemon if (ldebug(link)) 975102814Siedowse printf(ARGS(link, "%s, %s"), path, to); 97649662Smarcel#endif 977102814Siedowse error = kern_link(td, path, to, UIO_SYSSPACE); 978102814Siedowse LFREEPATH(path); 979102814Siedowse LFREEPATH(to); 980102814Siedowse return (error); 98149662Smarcel} 98249788Smarcel 98353713Smarcelint 984177997Skiblinux_linkat(struct thread *td, struct linux_linkat_args *args) 985177997Skib{ 986177997Skib char *path, *to; 987177997Skib int error, olddfd, newdfd; 988177997Skib 989177997Skib /* 990177997Skib * They really introduced flags argument which is forbidden to 991177997Skib * use. 992177997Skib */ 993177997Skib if (args->flags != 0) 994177997Skib return (EINVAL); 995177997Skib 996177997Skib olddfd = (args->olddfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->olddfd; 997177997Skib newdfd = (args->newdfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->newdfd; 998177997Skib LCONVPATHEXIST_AT(td, args->oldname, &path, olddfd); 999177997Skib /* Expand LCONVPATHCREATE so that `path' can be freed on errors */ 1000177997Skib error = linux_emul_convpath(td, args->newname, UIO_USERSPACE, &to, 1, newdfd); 1001177997Skib if (to == NULL) { 1002177997Skib LFREEPATH(path); 1003177997Skib return (error); 1004177997Skib } 1005177997Skib 1006177997Skib#ifdef DEBUG 1007177997Skib if (ldebug(linkat)) 1008177997Skib printf(ARGS(linkat, "%i, %s, %i, %s, %i"), args->olddfd, path, 1009177997Skib args->newdfd, to, args->flags); 1010177997Skib#endif 1011177997Skib 1012177997Skib error = kern_linkat(td, olddfd, newdfd, path, to, UIO_SYSSPACE, FOLLOW); 1013177997Skib LFREEPATH(path); 1014177997Skib LFREEPATH(to); 1015177997Skib return (error); 1016177997Skib} 1017177997Skib 1018177997Skibint 101983366Sjulianlinux_fdatasync(td, uap) 102083366Sjulian struct thread *td; 102153713Smarcel struct linux_fdatasync_args *uap; 102253713Smarcel{ 102353713Smarcel struct fsync_args bsd; 102453713Smarcel 102553713Smarcel bsd.fd = uap->fd; 102683366Sjulian return fsync(td, &bsd); 102753713Smarcel} 102863285Smarcel 102963285Smarcelint 103083366Sjulianlinux_pread(td, uap) 103183366Sjulian struct thread *td; 103263285Smarcel struct linux_pread_args *uap; 103363285Smarcel{ 103463285Smarcel struct pread_args bsd; 1035162585Snetchild struct vnode *vp; 1036162585Snetchild int error; 103763285Smarcel 103863285Smarcel bsd.fd = uap->fd; 103963285Smarcel bsd.buf = uap->buf; 104063285Smarcel bsd.nbyte = uap->nbyte; 104163285Smarcel bsd.offset = uap->offset; 1042162585Snetchild 1043162585Snetchild error = pread(td, &bsd); 1044162585Snetchild 1045162585Snetchild if (error == 0) { 1046162585Snetchild /* This seems to violate POSIX but linux does it */ 1047162585Snetchild if ((error = fgetvp(td, uap->fd, &vp)) != 0) 1048162585Snetchild return (error); 1049162585Snetchild if (vp->v_type == VDIR) { 1050162585Snetchild vrele(vp); 1051162585Snetchild return (EISDIR); 1052162585Snetchild } 1053162585Snetchild vrele(vp); 1054162585Snetchild } 1055162585Snetchild 1056162585Snetchild return (error); 105763285Smarcel} 105863285Smarcel 105963285Smarcelint 106083366Sjulianlinux_pwrite(td, uap) 106183366Sjulian struct thread *td; 106263285Smarcel struct linux_pwrite_args *uap; 106363285Smarcel{ 106463285Smarcel struct pwrite_args bsd; 106563285Smarcel 106663285Smarcel bsd.fd = uap->fd; 106763285Smarcel bsd.buf = uap->buf; 106863285Smarcel bsd.nbyte = uap->nbyte; 106963285Smarcel bsd.offset = uap->offset; 107083366Sjulian return pwrite(td, &bsd); 107163285Smarcel} 107272538Sjlemon 107372538Sjlemonint 107483366Sjulianlinux_mount(struct thread *td, struct linux_mount_args *args) 107572538Sjlemon{ 107672538Sjlemon struct ufs_args ufs; 1077111798Sdes char fstypename[MFSNAMELEN]; 1078111798Sdes char mntonname[MNAMELEN], mntfromname[MNAMELEN]; 107973286Sadrian int error; 108073286Sadrian int fsflags; 108173286Sadrian void *fsdata; 108272538Sjlemon 1083111798Sdes error = copyinstr(args->filesystemtype, fstypename, MFSNAMELEN - 1, 108473286Sadrian NULL); 108572538Sjlemon if (error) 1086111798Sdes return (error); 1087127057Stjr error = copyinstr(args->specialfile, mntfromname, MNAMELEN - 1, NULL); 108872538Sjlemon if (error) 1089111798Sdes return (error); 1090127057Stjr error = copyinstr(args->dir, mntonname, MNAMELEN - 1, NULL); 109172538Sjlemon if (error) 1092111798Sdes return (error); 109372538Sjlemon 109472538Sjlemon#ifdef DEBUG 109572538Sjlemon if (ldebug(mount)) 109672538Sjlemon printf(ARGS(mount, "%s, %s, %s"), 109772538Sjlemon fstypename, mntfromname, mntonname); 109872538Sjlemon#endif 109972538Sjlemon 110072538Sjlemon if (strcmp(fstypename, "ext2") == 0) { 1101127059Stjr strcpy(fstypename, "ext2fs"); 110273286Sadrian fsdata = &ufs; 110372538Sjlemon ufs.fspec = mntfromname; 110472538Sjlemon#define DEFAULT_ROOTID -2 110572538Sjlemon ufs.export.ex_root = DEFAULT_ROOTID; 110672538Sjlemon ufs.export.ex_flags = 110772538Sjlemon args->rwflag & LINUX_MS_RDONLY ? MNT_EXRDONLY : 0; 110872538Sjlemon } else if (strcmp(fstypename, "proc") == 0) { 1109127059Stjr strcpy(fstypename, "linprocfs"); 111073286Sadrian fsdata = NULL; 1111190445Sambrisko } else if (strcmp(fstypename, "vfat") == 0) { 1112190445Sambrisko strcpy(fstypename, "msdosfs"); 1113190445Sambrisko fsdata = NULL; 111472538Sjlemon } else { 111572538Sjlemon return (ENODEV); 111672538Sjlemon } 111772538Sjlemon 111873286Sadrian fsflags = 0; 111972538Sjlemon 112072538Sjlemon if ((args->rwflag & 0xffff0000) == 0xc0ed0000) { 112172538Sjlemon /* 112272538Sjlemon * Linux SYNC flag is not included; the closest equivalent 112372538Sjlemon * FreeBSD has is !ASYNC, which is our default. 112472538Sjlemon */ 112572538Sjlemon if (args->rwflag & LINUX_MS_RDONLY) 1126111798Sdes fsflags |= MNT_RDONLY; 112772538Sjlemon if (args->rwflag & LINUX_MS_NOSUID) 1128111798Sdes fsflags |= MNT_NOSUID; 112972538Sjlemon if (args->rwflag & LINUX_MS_NOEXEC) 1130111798Sdes fsflags |= MNT_NOEXEC; 113172538Sjlemon if (args->rwflag & LINUX_MS_REMOUNT) 1132111798Sdes fsflags |= MNT_UPDATE; 113372538Sjlemon } 113472538Sjlemon 1135127059Stjr if (strcmp(fstypename, "linprocfs") == 0) { 1136132708Sphk error = kernel_vmount(fsflags, 1137132708Sphk "fstype", fstypename, 1138132708Sphk "fspath", mntonname, 1139132708Sphk NULL); 1140190445Sambrisko } else if (strcmp(fstypename, "msdosfs") == 0) { 1141190445Sambrisko error = kernel_vmount(fsflags, 1142190445Sambrisko "fstype", fstypename, 1143190445Sambrisko "fspath", mntonname, 1144190445Sambrisko "from", mntfromname, 1145190445Sambrisko NULL); 1146127059Stjr } else 1147138353Sphk error = EOPNOTSUPP; 1148127059Stjr return (error); 114972538Sjlemon} 115072538Sjlemon 115172538Sjlemonint 115283366Sjulianlinux_oldumount(struct thread *td, struct linux_oldumount_args *args) 115372538Sjlemon{ 115483221Smarcel struct linux_umount_args args2; 115572538Sjlemon 115672538Sjlemon args2.path = args->path; 115772538Sjlemon args2.flags = 0; 115883366Sjulian return (linux_umount(td, &args2)); 115972538Sjlemon} 116072538Sjlemon 116172538Sjlemonint 116283366Sjulianlinux_umount(struct thread *td, struct linux_umount_args *args) 116372538Sjlemon{ 116472538Sjlemon struct unmount_args bsd; 116572538Sjlemon 116672538Sjlemon bsd.path = args->path; 116772538Sjlemon bsd.flags = args->flags; /* XXX correct? */ 116883366Sjulian return (unmount(td, &bsd)); 116972538Sjlemon} 117083221Smarcel 117183221Smarcel/* 117283221Smarcel * fcntl family of syscalls 117383221Smarcel */ 117483221Smarcel 117583221Smarcelstruct l_flock { 117683221Smarcel l_short l_type; 117783221Smarcel l_short l_whence; 117883221Smarcel l_off_t l_start; 117983221Smarcel l_off_t l_len; 118083221Smarcel l_pid_t l_pid; 1181133816Stjr} 1182140214Sobrien#if defined(__amd64__) && defined(COMPAT_LINUX32) 1183133816Stjr__packed 1184133816Stjr#endif 1185133816Stjr; 118683221Smarcel 118783221Smarcelstatic void 118883221Smarcellinux_to_bsd_flock(struct l_flock *linux_flock, struct flock *bsd_flock) 118983221Smarcel{ 119083221Smarcel switch (linux_flock->l_type) { 119183221Smarcel case LINUX_F_RDLCK: 119283221Smarcel bsd_flock->l_type = F_RDLCK; 119383221Smarcel break; 119483221Smarcel case LINUX_F_WRLCK: 119583221Smarcel bsd_flock->l_type = F_WRLCK; 119683221Smarcel break; 119783221Smarcel case LINUX_F_UNLCK: 119883221Smarcel bsd_flock->l_type = F_UNLCK; 119983221Smarcel break; 120083221Smarcel default: 120183221Smarcel bsd_flock->l_type = -1; 120283221Smarcel break; 120383221Smarcel } 120483221Smarcel bsd_flock->l_whence = linux_flock->l_whence; 120583221Smarcel bsd_flock->l_start = (off_t)linux_flock->l_start; 120683221Smarcel bsd_flock->l_len = (off_t)linux_flock->l_len; 120783221Smarcel bsd_flock->l_pid = (pid_t)linux_flock->l_pid; 1208177633Sdfr bsd_flock->l_sysid = 0; 120983221Smarcel} 121083221Smarcel 121183221Smarcelstatic void 121283221Smarcelbsd_to_linux_flock(struct flock *bsd_flock, struct l_flock *linux_flock) 121383221Smarcel{ 121483221Smarcel switch (bsd_flock->l_type) { 121583221Smarcel case F_RDLCK: 121683221Smarcel linux_flock->l_type = LINUX_F_RDLCK; 121783221Smarcel break; 121883221Smarcel case F_WRLCK: 121983221Smarcel linux_flock->l_type = LINUX_F_WRLCK; 122083221Smarcel break; 122183221Smarcel case F_UNLCK: 122283221Smarcel linux_flock->l_type = LINUX_F_UNLCK; 122383221Smarcel break; 122483221Smarcel } 122583221Smarcel linux_flock->l_whence = bsd_flock->l_whence; 122683221Smarcel linux_flock->l_start = (l_off_t)bsd_flock->l_start; 122783221Smarcel linux_flock->l_len = (l_off_t)bsd_flock->l_len; 122883221Smarcel linux_flock->l_pid = (l_pid_t)bsd_flock->l_pid; 122983221Smarcel} 123083221Smarcel 1231140214Sobrien#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) 123283221Smarcelstruct l_flock64 { 123383221Smarcel l_short l_type; 123483221Smarcel l_short l_whence; 123583221Smarcel l_loff_t l_start; 123683221Smarcel l_loff_t l_len; 123783221Smarcel l_pid_t l_pid; 1238133816Stjr} 1239140214Sobrien#if defined(__amd64__) && defined(COMPAT_LINUX32) 1240133816Stjr__packed 1241133816Stjr#endif 1242133816Stjr; 124383221Smarcel 124483221Smarcelstatic void 124583221Smarcellinux_to_bsd_flock64(struct l_flock64 *linux_flock, struct flock *bsd_flock) 124683221Smarcel{ 124783221Smarcel switch (linux_flock->l_type) { 124883221Smarcel case LINUX_F_RDLCK: 124983221Smarcel bsd_flock->l_type = F_RDLCK; 125083221Smarcel break; 125183221Smarcel case LINUX_F_WRLCK: 125283221Smarcel bsd_flock->l_type = F_WRLCK; 125383221Smarcel break; 125483221Smarcel case LINUX_F_UNLCK: 125583221Smarcel bsd_flock->l_type = F_UNLCK; 125683221Smarcel break; 125783221Smarcel default: 125883221Smarcel bsd_flock->l_type = -1; 125983221Smarcel break; 126083221Smarcel } 126183221Smarcel bsd_flock->l_whence = linux_flock->l_whence; 126283221Smarcel bsd_flock->l_start = (off_t)linux_flock->l_start; 126383221Smarcel bsd_flock->l_len = (off_t)linux_flock->l_len; 126483221Smarcel bsd_flock->l_pid = (pid_t)linux_flock->l_pid; 1265177633Sdfr bsd_flock->l_sysid = 0; 126683221Smarcel} 126783221Smarcel 126883221Smarcelstatic void 126983221Smarcelbsd_to_linux_flock64(struct flock *bsd_flock, struct l_flock64 *linux_flock) 127083221Smarcel{ 127183221Smarcel switch (bsd_flock->l_type) { 127283221Smarcel case F_RDLCK: 127383221Smarcel linux_flock->l_type = LINUX_F_RDLCK; 127483221Smarcel break; 127583221Smarcel case F_WRLCK: 127683221Smarcel linux_flock->l_type = LINUX_F_WRLCK; 127783221Smarcel break; 127883221Smarcel case F_UNLCK: 127983221Smarcel linux_flock->l_type = LINUX_F_UNLCK; 128083221Smarcel break; 128183221Smarcel } 128283221Smarcel linux_flock->l_whence = bsd_flock->l_whence; 128383221Smarcel linux_flock->l_start = (l_loff_t)bsd_flock->l_start; 128483221Smarcel linux_flock->l_len = (l_loff_t)bsd_flock->l_len; 128583221Smarcel linux_flock->l_pid = (l_pid_t)bsd_flock->l_pid; 128683221Smarcel} 1287133816Stjr#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ 128883221Smarcel 128983221Smarcelstatic int 129083366Sjulianfcntl_common(struct thread *td, struct linux_fcntl64_args *args) 129183221Smarcel{ 1292107680Siedowse struct l_flock linux_flock; 1293107680Siedowse struct flock bsd_flock; 129483221Smarcel struct file *fp; 1295102872Siedowse long arg; 129683221Smarcel int error, result; 129783221Smarcel 129883221Smarcel switch (args->cmd) { 129983221Smarcel case LINUX_F_DUPFD: 1300102872Siedowse return (kern_fcntl(td, args->fd, F_DUPFD, args->arg)); 130183221Smarcel 130283221Smarcel case LINUX_F_GETFD: 1303102872Siedowse return (kern_fcntl(td, args->fd, F_GETFD, 0)); 130483221Smarcel 130583221Smarcel case LINUX_F_SETFD: 1306102872Siedowse return (kern_fcntl(td, args->fd, F_SETFD, args->arg)); 130783221Smarcel 130883221Smarcel case LINUX_F_GETFL: 1309102872Siedowse error = kern_fcntl(td, args->fd, F_GETFL, 0); 131083366Sjulian result = td->td_retval[0]; 131183366Sjulian td->td_retval[0] = 0; 131283221Smarcel if (result & O_RDONLY) 131383366Sjulian td->td_retval[0] |= LINUX_O_RDONLY; 131483221Smarcel if (result & O_WRONLY) 131583366Sjulian td->td_retval[0] |= LINUX_O_WRONLY; 131683221Smarcel if (result & O_RDWR) 131783366Sjulian td->td_retval[0] |= LINUX_O_RDWR; 131883221Smarcel if (result & O_NDELAY) 131983366Sjulian td->td_retval[0] |= LINUX_O_NONBLOCK; 132083221Smarcel if (result & O_APPEND) 132183366Sjulian td->td_retval[0] |= LINUX_O_APPEND; 132283221Smarcel if (result & O_FSYNC) 132383366Sjulian td->td_retval[0] |= LINUX_O_SYNC; 132483221Smarcel if (result & O_ASYNC) 132583366Sjulian td->td_retval[0] |= LINUX_FASYNC; 1326144987Smdodd#ifdef LINUX_O_NOFOLLOW 1327144987Smdodd if (result & O_NOFOLLOW) 1328144987Smdodd td->td_retval[0] |= LINUX_O_NOFOLLOW; 1329144987Smdodd#endif 1330144987Smdodd#ifdef LINUX_O_DIRECT 1331144987Smdodd if (result & O_DIRECT) 1332144987Smdodd td->td_retval[0] |= LINUX_O_DIRECT; 1333144987Smdodd#endif 133483221Smarcel return (error); 133583221Smarcel 133683221Smarcel case LINUX_F_SETFL: 1337102872Siedowse arg = 0; 133883221Smarcel if (args->arg & LINUX_O_NDELAY) 1339102872Siedowse arg |= O_NONBLOCK; 134083221Smarcel if (args->arg & LINUX_O_APPEND) 1341102872Siedowse arg |= O_APPEND; 134283221Smarcel if (args->arg & LINUX_O_SYNC) 1343102872Siedowse arg |= O_FSYNC; 134483221Smarcel if (args->arg & LINUX_FASYNC) 1345102872Siedowse arg |= O_ASYNC; 1346144987Smdodd#ifdef LINUX_O_NOFOLLOW 1347144987Smdodd if (args->arg & LINUX_O_NOFOLLOW) 1348144987Smdodd arg |= O_NOFOLLOW; 1349144987Smdodd#endif 1350144987Smdodd#ifdef LINUX_O_DIRECT 1351144987Smdodd if (args->arg & LINUX_O_DIRECT) 1352144987Smdodd arg |= O_DIRECT; 1353144987Smdodd#endif 1354102872Siedowse return (kern_fcntl(td, args->fd, F_SETFL, arg)); 135583221Smarcel 1356107680Siedowse case LINUX_F_GETLK: 1357111797Sdes error = copyin((void *)args->arg, &linux_flock, 1358107680Siedowse sizeof(linux_flock)); 1359107680Siedowse if (error) 1360107680Siedowse return (error); 1361107680Siedowse linux_to_bsd_flock(&linux_flock, &bsd_flock); 1362107680Siedowse error = kern_fcntl(td, args->fd, F_GETLK, (intptr_t)&bsd_flock); 1363107680Siedowse if (error) 1364107680Siedowse return (error); 1365107680Siedowse bsd_to_linux_flock(&bsd_flock, &linux_flock); 1366111797Sdes return (copyout(&linux_flock, (void *)args->arg, 1367107680Siedowse sizeof(linux_flock))); 1368107680Siedowse 1369107680Siedowse case LINUX_F_SETLK: 1370111797Sdes error = copyin((void *)args->arg, &linux_flock, 1371107680Siedowse sizeof(linux_flock)); 1372107680Siedowse if (error) 1373107680Siedowse return (error); 1374107680Siedowse linux_to_bsd_flock(&linux_flock, &bsd_flock); 1375107680Siedowse return (kern_fcntl(td, args->fd, F_SETLK, 1376107680Siedowse (intptr_t)&bsd_flock)); 1377107680Siedowse 1378107680Siedowse case LINUX_F_SETLKW: 1379111797Sdes error = copyin((void *)args->arg, &linux_flock, 1380107680Siedowse sizeof(linux_flock)); 1381107680Siedowse if (error) 1382107680Siedowse return (error); 1383107680Siedowse linux_to_bsd_flock(&linux_flock, &bsd_flock); 1384107680Siedowse return (kern_fcntl(td, args->fd, F_SETLKW, 1385107680Siedowse (intptr_t)&bsd_flock)); 1386107680Siedowse 138783221Smarcel case LINUX_F_GETOWN: 1388102872Siedowse return (kern_fcntl(td, args->fd, F_GETOWN, 0)); 138983221Smarcel 139083221Smarcel case LINUX_F_SETOWN: 139183221Smarcel /* 139283221Smarcel * XXX some Linux applications depend on F_SETOWN having no 139383221Smarcel * significant effect for pipes (SIGIO is not delivered for 139483221Smarcel * pipes under Linux-2.2.35 at least). 139583221Smarcel */ 139689319Salfred error = fget(td, args->fd, &fp); 139789319Salfred if (error) 139889319Salfred return (error); 139989306Salfred if (fp->f_type == DTYPE_PIPE) { 140089306Salfred fdrop(fp, td); 140183221Smarcel return (EINVAL); 140289306Salfred } 140389306Salfred fdrop(fp, td); 140483221Smarcel 1405102872Siedowse return (kern_fcntl(td, args->fd, F_SETOWN, args->arg)); 140683221Smarcel } 140783221Smarcel 140883221Smarcel return (EINVAL); 140983221Smarcel} 141083221Smarcel 141183221Smarcelint 141283366Sjulianlinux_fcntl(struct thread *td, struct linux_fcntl_args *args) 141383221Smarcel{ 141483221Smarcel struct linux_fcntl64_args args64; 141583221Smarcel 141683221Smarcel#ifdef DEBUG 141783221Smarcel if (ldebug(fcntl)) 141883221Smarcel printf(ARGS(fcntl, "%d, %08x, *"), args->fd, args->cmd); 141983221Smarcel#endif 142083221Smarcel 142183221Smarcel args64.fd = args->fd; 142283221Smarcel args64.cmd = args->cmd; 142383221Smarcel args64.arg = args->arg; 142483366Sjulian return (fcntl_common(td, &args64)); 142583221Smarcel} 142683221Smarcel 1427140214Sobrien#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) 142883221Smarcelint 142983366Sjulianlinux_fcntl64(struct thread *td, struct linux_fcntl64_args *args) 143083221Smarcel{ 143183221Smarcel struct l_flock64 linux_flock; 1432102872Siedowse struct flock bsd_flock; 143383221Smarcel int error; 143483221Smarcel 143583221Smarcel#ifdef DEBUG 143683221Smarcel if (ldebug(fcntl64)) 143783221Smarcel printf(ARGS(fcntl64, "%d, %08x, *"), args->fd, args->cmd); 143883221Smarcel#endif 143983221Smarcel 144083221Smarcel switch (args->cmd) { 144199687Srobert case LINUX_F_GETLK64: 1442111797Sdes error = copyin((void *)args->arg, &linux_flock, 144383221Smarcel sizeof(linux_flock)); 144483221Smarcel if (error) 144583221Smarcel return (error); 1446102872Siedowse linux_to_bsd_flock64(&linux_flock, &bsd_flock); 1447102872Siedowse error = kern_fcntl(td, args->fd, F_GETLK, (intptr_t)&bsd_flock); 144883221Smarcel if (error) 144983221Smarcel return (error); 1450102872Siedowse bsd_to_linux_flock64(&bsd_flock, &linux_flock); 1451111797Sdes return (copyout(&linux_flock, (void *)args->arg, 1452111797Sdes sizeof(linux_flock))); 145383221Smarcel 145499687Srobert case LINUX_F_SETLK64: 1455111797Sdes error = copyin((void *)args->arg, &linux_flock, 145683221Smarcel sizeof(linux_flock)); 145783221Smarcel if (error) 145883221Smarcel return (error); 1459102872Siedowse linux_to_bsd_flock64(&linux_flock, &bsd_flock); 1460102872Siedowse return (kern_fcntl(td, args->fd, F_SETLK, 1461102872Siedowse (intptr_t)&bsd_flock)); 146283221Smarcel 146399687Srobert case LINUX_F_SETLKW64: 1464111797Sdes error = copyin((void *)args->arg, &linux_flock, 146583221Smarcel sizeof(linux_flock)); 146683221Smarcel if (error) 146783221Smarcel return (error); 1468102872Siedowse linux_to_bsd_flock64(&linux_flock, &bsd_flock); 1469102872Siedowse return (kern_fcntl(td, args->fd, F_SETLKW, 1470102872Siedowse (intptr_t)&bsd_flock)); 147183221Smarcel } 147283221Smarcel 147383366Sjulian return (fcntl_common(td, args)); 147483221Smarcel} 1475133816Stjr#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ 147685022Smarcel 147785022Smarcelint 147885022Smarcellinux_chown(struct thread *td, struct linux_chown_args *args) 147985022Smarcel{ 1480102814Siedowse char *path; 1481102814Siedowse int error; 148285022Smarcel 1483102814Siedowse LCONVPATHEXIST(td, args->path, &path); 148485022Smarcel 148585022Smarcel#ifdef DEBUG 148685022Smarcel if (ldebug(chown)) 1487102814Siedowse printf(ARGS(chown, "%s, %d, %d"), path, args->uid, args->gid); 148885022Smarcel#endif 1489102814Siedowse error = kern_chown(td, path, UIO_SYSSPACE, args->uid, args->gid); 1490102814Siedowse LFREEPATH(path); 1491102814Siedowse return (error); 149285022Smarcel} 149385022Smarcel 149485022Smarcelint 1495177997Skiblinux_fchownat(struct thread *td, struct linux_fchownat_args *args) 1496177997Skib{ 1497177997Skib char *path; 1498177997Skib int error, dfd, follow; 1499177997Skib 1500177997Skib if (args->flag & ~LINUX_AT_SYMLINK_NOFOLLOW) 1501177997Skib return (EINVAL); 1502177997Skib 1503177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 1504177997Skib LCONVPATHEXIST_AT(td, args->filename, &path, dfd); 1505177997Skib 1506177997Skib#ifdef DEBUG 1507177997Skib if (ldebug(fchownat)) 1508177997Skib printf(ARGS(fchownat, "%s, %d, %d"), path, args->uid, args->gid); 1509177997Skib#endif 1510177997Skib 1511177997Skib follow = (args->flag & LINUX_AT_SYMLINK_NOFOLLOW) == 0 ? 0 : 1512177997Skib AT_SYMLINK_NOFOLLOW; 1513177997Skib error = kern_fchownat(td, dfd, path, UIO_SYSSPACE, args->uid, args->gid, 1514177997Skib follow); 1515177997Skib LFREEPATH(path); 1516177997Skib return (error); 1517177997Skib} 1518177997Skib 1519177997Skibint 152085022Smarcellinux_lchown(struct thread *td, struct linux_lchown_args *args) 152185022Smarcel{ 1522102814Siedowse char *path; 1523102814Siedowse int error; 152485022Smarcel 1525102814Siedowse LCONVPATHEXIST(td, args->path, &path); 152685022Smarcel 152785022Smarcel#ifdef DEBUG 152885022Smarcel if (ldebug(lchown)) 1529102814Siedowse printf(ARGS(lchown, "%s, %d, %d"), path, args->uid, args->gid); 153085022Smarcel#endif 1531102814Siedowse error = kern_lchown(td, path, UIO_SYSSPACE, args->uid, args->gid); 1532102814Siedowse LFREEPATH(path); 1533102814Siedowse return (error); 153485022Smarcel} 1535