linux_file.c revision 246085
19313Ssos/*- 2230132Suqs * 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 246085 2013-01-29 18:41:30Z jhb $"); 31116173Sobrien 32156874Sru#include "opt_compat.h" 3331784Seivind 349313Ssos#include <sys/param.h> 359313Ssos#include <sys/systm.h> 36224778Srwatson#include <sys/capability.h> 3776166Smarkm#include <sys/conf.h> 3876166Smarkm#include <sys/dirent.h> 399313Ssos#include <sys/fcntl.h> 409313Ssos#include <sys/file.h> 419313Ssos#include <sys/filedesc.h> 4231561Sbde#include <sys/lock.h> 439313Ssos#include <sys/malloc.h> 4472538Sjlemon#include <sys/mount.h> 4576166Smarkm#include <sys/mutex.h> 46168014Sjulian#include <sys/namei.h> 4776166Smarkm#include <sys/proc.h> 48162201Snetchild#include <sys/stat.h> 49166085Skib#include <sys/sx.h> 50102814Siedowse#include <sys/syscallsubr.h> 5176166Smarkm#include <sys/sysproto.h> 5214331Speter#include <sys/tty.h> 53162585Snetchild#include <sys/unistd.h> 5476166Smarkm#include <sys/vnode.h> 5512458Sbde 56163606Srwatson#include <security/mac/mac_framework.h> 57163606Srwatson 5872538Sjlemon#include <ufs/ufs/extattr.h> 5972538Sjlemon#include <ufs/ufs/quota.h> 6072538Sjlemon#include <ufs/ufs/ufsmount.h> 6172538Sjlemon 62140214Sobrien#ifdef COMPAT_LINUX32 63140214Sobrien#include <machine/../linux32/linux.h> 64140214Sobrien#include <machine/../linux32/linux32_proto.h> 65140214Sobrien#else 6664905Smarcel#include <machine/../linux/linux.h> 6768583Smarcel#include <machine/../linux/linux_proto.h> 68133816Stjr#endif 69246085Sjhb#include <compat/linux/linux_misc.h> 7064905Smarcel#include <compat/linux/linux_util.h> 71177997Skib#include <compat/linux/linux_file.h> 729313Ssos 73234352Sjkim/* XXX */ 74234352Sjkimint do_pipe(struct thread *td, int fildes[2], int flags); 75234352Sjkim 769313Ssosint 7783366Sjulianlinux_creat(struct thread *td, struct linux_creat_args *args) 789313Ssos{ 79102814Siedowse char *path; 80102814Siedowse int error; 819313Ssos 82102814Siedowse LCONVPATHEXIST(td, args->path, &path); 8314331Speter 849313Ssos#ifdef DEBUG 8572543Sjlemon if (ldebug(creat)) 86102814Siedowse printf(ARGS(creat, "%s, %d"), path, args->mode); 879313Ssos#endif 88102814Siedowse error = kern_open(td, path, UIO_SYSSPACE, O_WRONLY | O_CREAT | O_TRUNC, 89102814Siedowse args->mode); 90102814Siedowse LFREEPATH(path); 91102814Siedowse return (error); 929313Ssos} 939313Ssos 94168014Sjulian 95168014Sjulianstatic int 96177997Skiblinux_common_open(struct thread *td, int dirfd, char *path, int l_flags, int mode) 979313Ssos{ 9883382Sjhb struct proc *p = td->td_proc; 99166085Skib struct file *fp; 100166085Skib int fd; 101102814Siedowse int bsd_flags, error; 10214331Speter 103102814Siedowse bsd_flags = 0; 104168014Sjulian switch (l_flags & LINUX_O_ACCMODE) { 105168014Sjulian case LINUX_O_WRONLY: 106102814Siedowse bsd_flags |= O_WRONLY; 107168014Sjulian break; 108168014Sjulian case LINUX_O_RDWR: 109102814Siedowse bsd_flags |= O_RDWR; 110168014Sjulian break; 111168014Sjulian default: 112168014Sjulian bsd_flags |= O_RDONLY; 113168014Sjulian } 114168014Sjulian if (l_flags & LINUX_O_NDELAY) 115102814Siedowse bsd_flags |= O_NONBLOCK; 116168014Sjulian if (l_flags & LINUX_O_APPEND) 117102814Siedowse bsd_flags |= O_APPEND; 118168014Sjulian if (l_flags & LINUX_O_SYNC) 119102814Siedowse bsd_flags |= O_FSYNC; 120168014Sjulian if (l_flags & LINUX_O_NONBLOCK) 121102814Siedowse bsd_flags |= O_NONBLOCK; 122168014Sjulian if (l_flags & LINUX_FASYNC) 123102814Siedowse bsd_flags |= O_ASYNC; 124168014Sjulian if (l_flags & LINUX_O_CREAT) 125102814Siedowse bsd_flags |= O_CREAT; 126168014Sjulian if (l_flags & LINUX_O_TRUNC) 127102814Siedowse bsd_flags |= O_TRUNC; 128168014Sjulian if (l_flags & LINUX_O_EXCL) 129102814Siedowse bsd_flags |= O_EXCL; 130168014Sjulian if (l_flags & LINUX_O_NOCTTY) 131102814Siedowse bsd_flags |= O_NOCTTY; 132168014Sjulian if (l_flags & LINUX_O_DIRECT) 133166085Skib bsd_flags |= O_DIRECT; 134168014Sjulian if (l_flags & LINUX_O_NOFOLLOW) 135166085Skib bsd_flags |= O_NOFOLLOW; 136205423Sed if (l_flags & LINUX_O_DIRECTORY) 137205423Sed bsd_flags |= O_DIRECTORY; 138166085Skib /* XXX LINUX_O_NOATIME: unable to be easily implemented. */ 1399313Ssos 140178036Srdivacky error = kern_openat(td, dirfd, path, UIO_SYSSPACE, bsd_flags, mode); 141178036Srdivacky 142166085Skib if (!error) { 143166085Skib fd = td->td_retval[0]; 144166085Skib /* 145166085Skib * XXX In between kern_open() and fget(), another process 146166085Skib * having the same filedesc could use that fd without 147166085Skib * checking below. 148166085Skib */ 149224778Srwatson error = fget(td, fd, CAP_IOCTL, &fp); 150166085Skib if (!error) { 151166085Skib sx_slock(&proctree_lock); 152166085Skib PROC_LOCK(p); 153166085Skib if (!(bsd_flags & O_NOCTTY) && 154166085Skib SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 155166085Skib PROC_UNLOCK(p); 156166085Skib sx_unlock(&proctree_lock); 157166085Skib if (fp->f_type == DTYPE_VNODE) 158166085Skib (void) fo_ioctl(fp, TIOCSCTTY, (caddr_t) 0, 159166085Skib td->td_ucred, td); 160166085Skib } else { 161166085Skib PROC_UNLOCK(p); 162166085Skib sx_sunlock(&proctree_lock); 163166085Skib } 164166085Skib fdrop(fp, td); 165166085Skib /* 166166085Skib * XXX as above, fdrop()/kern_close() pair is racy. 167166085Skib */ 168166085Skib if (error) 169166085Skib kern_close(td, fd); 170166085Skib } 171166085Skib } 1729313Ssos 17314331Speter#ifdef DEBUG 174166085Skib if (ldebug(open)) 175166085Skib printf(LMSG("open returns error %d"), error); 17614331Speter#endif 177177997Skib LFREEPATH(path); 178177997Skib return (error); 1799313Ssos} 1809313Ssos 1819313Ssosint 182168014Sjulianlinux_openat(struct thread *td, struct linux_openat_args *args) 183168014Sjulian{ 184177997Skib char *path; 185177997Skib int dfd; 186168014Sjulian 187177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 188177997Skib if (args->flags & LINUX_O_CREAT) 189177997Skib LCONVPATH_AT(td, args->filename, &path, 1, dfd); 190177997Skib else 191177997Skib LCONVPATH_AT(td, args->filename, &path, 0, dfd); 192168014Sjulian#ifdef DEBUG 193168014Sjulian if (ldebug(openat)) 194168014Sjulian printf(ARGS(openat, "%i, %s, 0x%x, 0x%x"), args->dfd, 195177997Skib path, args->flags, args->mode); 196168014Sjulian#endif 197177997Skib return (linux_common_open(td, dfd, path, args->flags, args->mode)); 198168014Sjulian} 199168014Sjulian 200168014Sjulianint 201168014Sjulianlinux_open(struct thread *td, struct linux_open_args *args) 202168014Sjulian{ 203168014Sjulian char *path; 204168014Sjulian 205168014Sjulian if (args->flags & LINUX_O_CREAT) 206168014Sjulian LCONVPATHCREAT(td, args->path, &path); 207168014Sjulian else 208168014Sjulian LCONVPATHEXIST(td, args->path, &path); 209168014Sjulian 210168014Sjulian#ifdef DEBUG 211168014Sjulian if (ldebug(open)) 212168014Sjulian printf(ARGS(open, "%s, 0x%x, 0x%x"), 213168014Sjulian path, args->flags, args->mode); 214168014Sjulian#endif 215168014Sjulian 216178036Srdivacky return (linux_common_open(td, AT_FDCWD, path, args->flags, args->mode)); 217168014Sjulian} 218168014Sjulian 219168014Sjulianint 22083366Sjulianlinux_lseek(struct thread *td, struct linux_lseek_args *args) 2219313Ssos{ 2229313Ssos 22312858Speter struct lseek_args /* { 22412858Speter int fd; 2259313Ssos int pad; 22612858Speter off_t offset; 2279313Ssos int whence; 22812858Speter } */ tmp_args; 2299313Ssos int error; 2309313Ssos 2319313Ssos#ifdef DEBUG 23272543Sjlemon if (ldebug(lseek)) 23372543Sjlemon printf(ARGS(lseek, "%d, %ld, %d"), 23483221Smarcel args->fdes, (long)args->off, args->whence); 2359313Ssos#endif 23612858Speter tmp_args.fd = args->fdes; 23712858Speter tmp_args.offset = (off_t)args->off; 2389313Ssos tmp_args.whence = args->whence; 239225617Skmacy error = sys_lseek(td, &tmp_args); 2409313Ssos return error; 2419313Ssos} 2429313Ssos 24314331Speterint 24483366Sjulianlinux_llseek(struct thread *td, struct linux_llseek_args *args) 24514331Speter{ 24614331Speter struct lseek_args bsd_args; 24714331Speter int error; 24814331Speter off_t off; 24914331Speter 25014331Speter#ifdef DEBUG 25172543Sjlemon if (ldebug(llseek)) 25272543Sjlemon printf(ARGS(llseek, "%d, %d:%d, %d"), 25372543Sjlemon args->fd, args->ohigh, args->olow, args->whence); 25414331Speter#endif 25514331Speter off = (args->olow) | (((off_t) args->ohigh) << 32); 25614331Speter 25714331Speter bsd_args.fd = args->fd; 25814331Speter bsd_args.offset = off; 25914331Speter bsd_args.whence = args->whence; 26014331Speter 261225617Skmacy if ((error = sys_lseek(td, &bsd_args))) 26214331Speter return error; 26314331Speter 264111797Sdes if ((error = copyout(td->td_retval, args->res, sizeof (off_t)))) 26514331Speter return error; 26614331Speter 26783366Sjulian td->td_retval[0] = 0; 26814331Speter return 0; 26914331Speter} 27014331Speter 2719313Ssosint 27283366Sjulianlinux_readdir(struct thread *td, struct linux_readdir_args *args) 2739313Ssos{ 27414331Speter struct linux_getdents_args lda; 27514331Speter 27614331Speter lda.fd = args->fd; 27714331Speter lda.dent = args->dent; 27814331Speter lda.count = 1; 27983366Sjulian return linux_getdents(td, &lda); 28014331Speter} 28114331Speter 28283221Smarcel/* 28383221Smarcel * Note that linux_getdents(2) and linux_getdents64(2) have the same 28483221Smarcel * arguments. They only differ in the definition of struct dirent they 28583221Smarcel * operate on. We use this to common the code, with the exception of 28683221Smarcel * accessing struct dirent. Note that linux_readdir(2) is implemented 28783221Smarcel * by means of linux_getdents(2). In this case we never operate on 28883221Smarcel * struct dirent64 and thus don't need to handle it... 28983221Smarcel */ 29083221Smarcel 29183221Smarcelstruct l_dirent { 292179651Srdivacky l_ulong d_ino; 29383221Smarcel l_off_t d_off; 29483221Smarcel l_ushort d_reclen; 29583221Smarcel char d_name[LINUX_NAME_MAX + 1]; 29683221Smarcel}; 29783221Smarcel 29883221Smarcelstruct l_dirent64 { 29983221Smarcel uint64_t d_ino; 30083221Smarcel int64_t d_off; 30183221Smarcel l_ushort d_reclen; 30283221Smarcel u_char d_type; 30383221Smarcel char d_name[LINUX_NAME_MAX + 1]; 30483221Smarcel}; 30583221Smarcel 306182892Srdivacky/* 307182892Srdivacky * Linux uses the last byte in the dirent buffer to store d_type, 308182892Srdivacky * at least glibc-2.7 requires it. That is why l_dirent is padded with 2 bytes. 309182892Srdivacky */ 310182892Srdivacky#define LINUX_RECLEN(namlen) \ 311182892Srdivacky roundup((offsetof(struct l_dirent, d_name) + (namlen) + 2), \ 312182892Srdivacky sizeof(l_ulong)) 31383221Smarcel 314182892Srdivacky#define LINUX_RECLEN64(namlen) \ 315182892Srdivacky roundup((offsetof(struct l_dirent64, d_name) + (namlen) + 1), \ 316182892Srdivacky sizeof(uint64_t)) 317182892Srdivacky 318182892Srdivacky#define LINUX_MAXRECLEN max(LINUX_RECLEN(LINUX_NAME_MAX), \ 319182892Srdivacky LINUX_RECLEN64(LINUX_NAME_MAX)) 32083221Smarcel#define LINUX_DIRBLKSIZ 512 32183221Smarcel 32283221Smarcelstatic int 32383366Sjuliangetdents_common(struct thread *td, struct linux_getdents64_args *args, 32483221Smarcel int is64bit) 32514331Speter{ 326111798Sdes struct dirent *bdp; 32783221Smarcel struct vnode *vp; 32883221Smarcel caddr_t inp, buf; /* BSD-format */ 32983221Smarcel int len, reclen; /* BSD-format */ 33083221Smarcel caddr_t outp; /* Linux-format */ 33183221Smarcel int resid, linuxreclen=0; /* Linux-format */ 332182892Srdivacky caddr_t lbuf; /* Linux-format */ 33383221Smarcel struct file *fp; 33483221Smarcel struct uio auio; 33583221Smarcel struct iovec aiov; 33683221Smarcel off_t off; 337182892Srdivacky struct l_dirent *linux_dirent; 338182892Srdivacky struct l_dirent64 *linux_dirent64; 33983221Smarcel int buflen, error, eofflag, nbytes, justone; 34083221Smarcel u_long *cookies = NULL, *cookiep; 341241896Skib int ncookies; 3429313Ssos 343160276Sjhb nbytes = args->count; 344160276Sjhb if (nbytes == 1) { 345160276Sjhb /* readdir(2) case. Always struct dirent. */ 346160276Sjhb if (is64bit) 347160276Sjhb return (EINVAL); 348188572Snetchild nbytes = sizeof(*linux_dirent); 349160276Sjhb justone = 1; 350160276Sjhb } else 351160276Sjhb justone = 0; 352160276Sjhb 353224778Srwatson if ((error = getvnode(td->td_proc->p_fd, args->fd, CAP_READ, &fp)) != 0) 35483221Smarcel return (error); 3559313Ssos 35689306Salfred if ((fp->f_flag & FREAD) == 0) { 35789306Salfred fdrop(fp, td); 35883221Smarcel return (EBADF); 35989306Salfred } 3609313Ssos 361238029Skib off = foffset_lock(fp, 0); 362116678Sphk vp = fp->f_vnode; 36389306Salfred if (vp->v_type != VDIR) { 364238029Skib foffset_unlock(fp, off, 0); 36589306Salfred fdrop(fp, td); 36683221Smarcel return (EINVAL); 36789306Salfred } 3689313Ssos 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 37683221Smarcel aiov.iov_base = buf; 37783221Smarcel aiov.iov_len = buflen; 37883221Smarcel auio.uio_iov = &aiov; 37983221Smarcel auio.uio_iovcnt = 1; 38083221Smarcel auio.uio_rw = UIO_READ; 38183221Smarcel auio.uio_segflg = UIO_SYSSPACE; 38283366Sjulian auio.uio_td = td; 38383221Smarcel auio.uio_resid = buflen; 38483221Smarcel auio.uio_offset = off; 3859313Ssos 386101189Srwatson#ifdef MAC 387101189Srwatson /* 388101189Srwatson * Do directory search MAC check using non-cached credentials. 389101189Srwatson */ 390172930Srwatson if ((error = mac_vnode_check_readdir(td->td_ucred, vp))) 391101189Srwatson goto out; 392101189Srwatson#endif /* MAC */ 39383221Smarcel if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, 39483221Smarcel &cookies))) 39583221Smarcel goto out; 3969313Ssos 39783221Smarcel inp = buf; 39883221Smarcel outp = (caddr_t)args->dirent; 39983221Smarcel resid = nbytes; 40083221Smarcel if ((len = buflen - auio.uio_resid) <= 0) 40183221Smarcel goto eof; 4029313Ssos 40383221Smarcel cookiep = cookies; 40424654Sdfr 40583221Smarcel if (cookies) { 40683221Smarcel /* 40783221Smarcel * When using cookies, the vfs has the option of reading from 40883221Smarcel * a different offset than that supplied (UFS truncates the 40983221Smarcel * offset to a block boundary to make sure that it never reads 41083221Smarcel * partway through a directory entry, even if the directory 41183221Smarcel * has been compacted). 41283221Smarcel */ 41383221Smarcel while (len > 0 && ncookies > 0 && *cookiep <= off) { 41483221Smarcel bdp = (struct dirent *) inp; 41583221Smarcel len -= bdp->d_reclen; 41683221Smarcel inp += bdp->d_reclen; 41783221Smarcel cookiep++; 41883221Smarcel ncookies--; 41983221Smarcel } 42024654Sdfr } 42124654Sdfr 42283221Smarcel while (len > 0) { 42383221Smarcel if (cookiep && ncookies == 0) 42483221Smarcel break; 42583221Smarcel bdp = (struct dirent *) inp; 42683221Smarcel reclen = bdp->d_reclen; 42783221Smarcel if (reclen & 3) { 42883221Smarcel error = EFAULT; 42983221Smarcel goto out; 43083221Smarcel } 43183221Smarcel 43283221Smarcel if (bdp->d_fileno == 0) { 43383221Smarcel inp += reclen; 43483221Smarcel if (cookiep) { 43583221Smarcel off = *cookiep++; 43683221Smarcel ncookies--; 43783221Smarcel } else 43883221Smarcel off += reclen; 43983221Smarcel 44083221Smarcel len -= reclen; 44183221Smarcel continue; 44283221Smarcel } 44383221Smarcel 44483221Smarcel linuxreclen = (is64bit) 445182892Srdivacky ? LINUX_RECLEN64(bdp->d_namlen) 446182892Srdivacky : LINUX_RECLEN(bdp->d_namlen); 44783221Smarcel 44883221Smarcel if (reclen > len || resid < linuxreclen) { 44983221Smarcel outp++; 45083221Smarcel break; 45183221Smarcel } 45283221Smarcel 45383221Smarcel if (justone) { 45483221Smarcel /* readdir(2) case. */ 455182892Srdivacky linux_dirent = (struct l_dirent*)lbuf; 456182892Srdivacky linux_dirent->d_ino = bdp->d_fileno; 457182892Srdivacky linux_dirent->d_off = (l_off_t)linuxreclen; 458182892Srdivacky linux_dirent->d_reclen = (l_ushort)bdp->d_namlen; 459182892Srdivacky strlcpy(linux_dirent->d_name, bdp->d_name, 460182892Srdivacky linuxreclen - offsetof(struct l_dirent, d_name)); 461182892Srdivacky error = copyout(linux_dirent, outp, linuxreclen); 46283221Smarcel } 463182892Srdivacky if (is64bit) { 464182892Srdivacky linux_dirent64 = (struct l_dirent64*)lbuf; 465182892Srdivacky linux_dirent64->d_ino = bdp->d_fileno; 466182892Srdivacky linux_dirent64->d_off = (cookiep) 467182892Srdivacky ? (l_off_t)*cookiep 468182892Srdivacky : (l_off_t)(off + reclen); 469182892Srdivacky linux_dirent64->d_reclen = (l_ushort)linuxreclen; 470182892Srdivacky linux_dirent64->d_type = bdp->d_type; 471182892Srdivacky strlcpy(linux_dirent64->d_name, bdp->d_name, 472182892Srdivacky linuxreclen - offsetof(struct l_dirent64, d_name)); 473182892Srdivacky error = copyout(linux_dirent64, outp, linuxreclen); 474182892Srdivacky } else if (!justone) { 475182892Srdivacky linux_dirent = (struct l_dirent*)lbuf; 476182892Srdivacky linux_dirent->d_ino = bdp->d_fileno; 477182892Srdivacky linux_dirent->d_off = (cookiep) 478182892Srdivacky ? (l_off_t)*cookiep 479182892Srdivacky : (l_off_t)(off + reclen); 480182892Srdivacky linux_dirent->d_reclen = (l_ushort)linuxreclen; 481182892Srdivacky /* 482182892Srdivacky * Copy d_type to last byte of l_dirent buffer 483182892Srdivacky */ 484182892Srdivacky lbuf[linuxreclen-1] = bdp->d_type; 485182892Srdivacky strlcpy(linux_dirent->d_name, bdp->d_name, 486182892Srdivacky linuxreclen - offsetof(struct l_dirent, d_name)-1); 487182892Srdivacky error = copyout(linux_dirent, outp, linuxreclen); 488182892Srdivacky } 489182892Srdivacky 49083221Smarcel if (error) 49183221Smarcel goto out; 49283221Smarcel 49383221Smarcel inp += reclen; 49483221Smarcel if (cookiep) { 49583221Smarcel off = *cookiep++; 49683221Smarcel ncookies--; 49783221Smarcel } else 49883221Smarcel off += reclen; 49983221Smarcel 50083221Smarcel outp += linuxreclen; 50183221Smarcel resid -= linuxreclen; 50283221Smarcel len -= reclen; 50383221Smarcel if (justone) 50483221Smarcel break; 50510355Sswallace } 5069313Ssos 507217578Skib if (outp == (caddr_t)args->dirent) { 508217578Skib nbytes = resid; 509217578Skib goto eof; 510217578Skib } 5119313Ssos 51283221Smarcel if (justone) 51383221Smarcel nbytes = resid + linuxreclen; 51410355Sswallace 5159313Ssoseof: 51683366Sjulian td->td_retval[0] = nbytes - resid; 51783221Smarcel 5189313Ssosout: 51983221Smarcel if (cookies) 52083221Smarcel free(cookies, M_TEMP); 52183221Smarcel 522175294Sattilio VOP_UNLOCK(vp, 0); 523238029Skib foffset_unlock(fp, off, 0); 52489306Salfred fdrop(fp, td); 52583221Smarcel free(buf, M_TEMP); 526182892Srdivacky free(lbuf, M_TEMP); 52783221Smarcel return (error); 5289313Ssos} 52914331Speter 53083221Smarcelint 53183366Sjulianlinux_getdents(struct thread *td, struct linux_getdents_args *args) 53283221Smarcel{ 53383221Smarcel 53483221Smarcel#ifdef DEBUG 53583221Smarcel if (ldebug(getdents)) 53683221Smarcel printf(ARGS(getdents, "%d, *, %d"), args->fd, args->count); 53783221Smarcel#endif 53883221Smarcel 53983366Sjulian return (getdents_common(td, (struct linux_getdents64_args*)args, 0)); 54083221Smarcel} 54183221Smarcel 54283221Smarcelint 54383366Sjulianlinux_getdents64(struct thread *td, struct linux_getdents64_args *args) 54483221Smarcel{ 54583221Smarcel 54683221Smarcel#ifdef DEBUG 54783221Smarcel if (ldebug(getdents64)) 54883221Smarcel printf(ARGS(getdents64, "%d, *, %d"), args->fd, args->count); 54983221Smarcel#endif 55083221Smarcel 55183366Sjulian return (getdents_common(td, args, 1)); 55283221Smarcel} 55383221Smarcel 55414331Speter/* 55514331Speter * These exist mainly for hooks for doing /compat/linux translation. 55614331Speter */ 55714331Speter 55814331Speterint 55983366Sjulianlinux_access(struct thread *td, struct linux_access_args *args) 56014331Speter{ 561102814Siedowse char *path; 562102814Siedowse int error; 56314331Speter 564162585Snetchild /* linux convention */ 565227691Sed if (args->amode & ~(F_OK | X_OK | W_OK | R_OK)) 566162585Snetchild return (EINVAL); 567162585Snetchild 568102814Siedowse LCONVPATHEXIST(td, args->path, &path); 56914331Speter 57014331Speter#ifdef DEBUG 57172543Sjlemon if (ldebug(access)) 572227691Sed printf(ARGS(access, "%s, %d"), path, args->amode); 57314331Speter#endif 574227691Sed error = kern_access(td, path, UIO_SYSSPACE, args->amode); 575102814Siedowse LFREEPATH(path); 576162585Snetchild 577102814Siedowse return (error); 57814331Speter} 57914331Speter 58014331Speterint 581177997Skiblinux_faccessat(struct thread *td, struct linux_faccessat_args *args) 582177997Skib{ 583177997Skib char *path; 584227693Sed int error, dfd, flag; 585177997Skib 586227693Sed if (args->flag & ~LINUX_AT_EACCESS) 587227693Sed return (EINVAL); 588177997Skib /* linux convention */ 589227691Sed if (args->amode & ~(F_OK | X_OK | W_OK | R_OK)) 590177997Skib return (EINVAL); 591177997Skib 592177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 593177997Skib LCONVPATHEXIST_AT(td, args->filename, &path, dfd); 594177997Skib 595177997Skib#ifdef DEBUG 596177997Skib if (ldebug(access)) 597227691Sed printf(ARGS(access, "%s, %d"), path, args->amode); 598177997Skib#endif 599177997Skib 600227693Sed flag = (args->flag & LINUX_AT_EACCESS) == 0 ? 0 : AT_EACCESS; 601227693Sed error = kern_accessat(td, dfd, path, UIO_SYSSPACE, flag, args->amode); 602177997Skib LFREEPATH(path); 603177997Skib 604177997Skib return (error); 605177997Skib} 606177997Skib 607177997Skibint 60883366Sjulianlinux_unlink(struct thread *td, struct linux_unlink_args *args) 60914331Speter{ 610102814Siedowse char *path; 611102814Siedowse int error; 612162201Snetchild struct stat st; 61314331Speter 614102814Siedowse LCONVPATHEXIST(td, args->path, &path); 61514331Speter 61614331Speter#ifdef DEBUG 61772543Sjlemon if (ldebug(unlink)) 618102814Siedowse printf(ARGS(unlink, "%s"), path); 61914331Speter#endif 62014331Speter 621102814Siedowse error = kern_unlink(td, path, UIO_SYSSPACE); 622162201Snetchild if (error == EPERM) 623162201Snetchild /* Introduce POSIX noncompliant behaviour of Linux */ 624162201Snetchild if (kern_stat(td, path, UIO_SYSSPACE, &st) == 0) 625162201Snetchild if (S_ISDIR(st.st_mode)) 626162201Snetchild error = EISDIR; 627102814Siedowse LFREEPATH(path); 628102814Siedowse return (error); 62914331Speter} 63014331Speter 63114331Speterint 632177997Skiblinux_unlinkat(struct thread *td, struct linux_unlinkat_args *args) 633177997Skib{ 634177997Skib char *path; 635177997Skib int error, dfd; 636177997Skib struct stat st; 637177997Skib 638177997Skib if (args->flag & ~LINUX_AT_REMOVEDIR) 639177997Skib return (EINVAL); 640177997Skib 641177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 642177997Skib LCONVPATHEXIST_AT(td, args->pathname, &path, dfd); 643177997Skib 644177997Skib#ifdef DEBUG 645177997Skib if (ldebug(unlinkat)) 646177997Skib printf(ARGS(unlinkat, "%s"), path); 647177997Skib#endif 648177997Skib 649177997Skib if (args->flag & LINUX_AT_REMOVEDIR) 650177997Skib error = kern_rmdirat(td, dfd, path, UIO_SYSSPACE); 651177997Skib else 652202113Smckusick error = kern_unlinkat(td, dfd, path, UIO_SYSSPACE, 0); 653177997Skib if (error == EPERM && !(args->flag & LINUX_AT_REMOVEDIR)) { 654177997Skib /* Introduce POSIX noncompliant behaviour of Linux */ 655177997Skib if (kern_statat(td, AT_SYMLINK_NOFOLLOW, dfd, path, 656177997Skib UIO_SYSSPACE, &st) == 0 && S_ISDIR(st.st_mode)) 657177997Skib error = EISDIR; 658177997Skib } 659177997Skib LFREEPATH(path); 660177997Skib return (error); 661177997Skib} 662177997Skibint 66383366Sjulianlinux_chdir(struct thread *td, struct linux_chdir_args *args) 66414331Speter{ 665102814Siedowse char *path; 666102814Siedowse int error; 66714331Speter 668102814Siedowse LCONVPATHEXIST(td, args->path, &path); 66914331Speter 67014331Speter#ifdef DEBUG 67172543Sjlemon if (ldebug(chdir)) 672102814Siedowse printf(ARGS(chdir, "%s"), path); 67314331Speter#endif 674102814Siedowse error = kern_chdir(td, path, UIO_SYSSPACE); 675102814Siedowse LFREEPATH(path); 676102814Siedowse return (error); 67714331Speter} 67814331Speter 67914331Speterint 68083366Sjulianlinux_chmod(struct thread *td, struct linux_chmod_args *args) 68114331Speter{ 682102814Siedowse char *path; 683102814Siedowse int error; 68414331Speter 685102814Siedowse LCONVPATHEXIST(td, args->path, &path); 68614331Speter 68714331Speter#ifdef DEBUG 68872543Sjlemon if (ldebug(chmod)) 689102814Siedowse printf(ARGS(chmod, "%s, %d"), path, args->mode); 69014331Speter#endif 691102814Siedowse error = kern_chmod(td, path, UIO_SYSSPACE, args->mode); 692102814Siedowse LFREEPATH(path); 693102814Siedowse return (error); 69414331Speter} 69514331Speter 69614331Speterint 697177997Skiblinux_fchmodat(struct thread *td, struct linux_fchmodat_args *args) 698177997Skib{ 699177997Skib char *path; 700177997Skib int error, dfd; 701177997Skib 702177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 703177997Skib LCONVPATHEXIST_AT(td, args->filename, &path, dfd); 704177997Skib 705177997Skib#ifdef DEBUG 706177997Skib if (ldebug(fchmodat)) 707177997Skib printf(ARGS(fchmodat, "%s, %d"), path, args->mode); 708177997Skib#endif 709177997Skib 710177997Skib error = kern_fchmodat(td, dfd, path, UIO_SYSSPACE, args->mode, 0); 711177997Skib LFREEPATH(path); 712177997Skib return (error); 713177997Skib} 714177997Skib 715177997Skibint 71683366Sjulianlinux_mkdir(struct thread *td, struct linux_mkdir_args *args) 71714331Speter{ 718102814Siedowse char *path; 719102814Siedowse int error; 72014331Speter 721102814Siedowse LCONVPATHCREAT(td, args->path, &path); 72214331Speter 72314331Speter#ifdef DEBUG 72472543Sjlemon if (ldebug(mkdir)) 725102814Siedowse printf(ARGS(mkdir, "%s, %d"), path, args->mode); 72614331Speter#endif 727102814Siedowse error = kern_mkdir(td, path, UIO_SYSSPACE, args->mode); 728102814Siedowse LFREEPATH(path); 729102814Siedowse return (error); 73014331Speter} 73114331Speter 73214331Speterint 733177997Skiblinux_mkdirat(struct thread *td, struct linux_mkdirat_args *args) 734177997Skib{ 735177997Skib char *path; 736177997Skib int error, dfd; 737177997Skib 738177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 739177997Skib LCONVPATHCREAT_AT(td, args->pathname, &path, dfd); 740177997Skib 741177997Skib#ifdef DEBUG 742177997Skib if (ldebug(mkdirat)) 743177997Skib printf(ARGS(mkdirat, "%s, %d"), path, args->mode); 744177997Skib#endif 745177997Skib error = kern_mkdirat(td, dfd, path, UIO_SYSSPACE, args->mode); 746177997Skib LFREEPATH(path); 747177997Skib return (error); 748177997Skib} 749177997Skib 750177997Skibint 75183366Sjulianlinux_rmdir(struct thread *td, struct linux_rmdir_args *args) 75214331Speter{ 753102814Siedowse char *path; 754102814Siedowse int error; 75514331Speter 756102814Siedowse LCONVPATHEXIST(td, args->path, &path); 75714331Speter 75814331Speter#ifdef DEBUG 75972543Sjlemon if (ldebug(rmdir)) 760102814Siedowse printf(ARGS(rmdir, "%s"), path); 76114331Speter#endif 762102814Siedowse error = kern_rmdir(td, path, UIO_SYSSPACE); 763102814Siedowse LFREEPATH(path); 764102814Siedowse return (error); 76514331Speter} 76614331Speter 76714331Speterint 76883366Sjulianlinux_rename(struct thread *td, struct linux_rename_args *args) 76914331Speter{ 770102814Siedowse char *from, *to; 771102814Siedowse int error; 77214331Speter 773102814Siedowse LCONVPATHEXIST(td, args->from, &from); 774102814Siedowse /* Expand LCONVPATHCREATE so that `from' can be freed on errors */ 775177997Skib error = linux_emul_convpath(td, args->to, UIO_USERSPACE, &to, 1, AT_FDCWD); 776102814Siedowse if (to == NULL) { 777102814Siedowse LFREEPATH(from); 778102814Siedowse return (error); 779102814Siedowse } 78014331Speter 78114331Speter#ifdef DEBUG 78272543Sjlemon if (ldebug(rename)) 783102814Siedowse printf(ARGS(rename, "%s, %s"), from, to); 78414331Speter#endif 785102814Siedowse error = kern_rename(td, from, to, UIO_SYSSPACE); 786102814Siedowse LFREEPATH(from); 787102814Siedowse LFREEPATH(to); 788102814Siedowse return (error); 78914331Speter} 79014331Speter 79114331Speterint 792177997Skiblinux_renameat(struct thread *td, struct linux_renameat_args *args) 793177997Skib{ 794177997Skib char *from, *to; 795177997Skib int error, olddfd, newdfd; 796177997Skib 797177997Skib olddfd = (args->olddfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->olddfd; 798177997Skib newdfd = (args->newdfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->newdfd; 799177997Skib LCONVPATHEXIST_AT(td, args->oldname, &from, olddfd); 800177997Skib /* Expand LCONVPATHCREATE so that `from' can be freed on errors */ 801177997Skib error = linux_emul_convpath(td, args->newname, UIO_USERSPACE, &to, 1, newdfd); 802177997Skib if (to == NULL) { 803177997Skib LFREEPATH(from); 804177997Skib return (error); 805177997Skib } 806177997Skib 807177997Skib#ifdef DEBUG 808177997Skib if (ldebug(renameat)) 809177997Skib printf(ARGS(renameat, "%s, %s"), from, to); 810177997Skib#endif 811177997Skib error = kern_renameat(td, olddfd, from, newdfd, to, UIO_SYSSPACE); 812177997Skib LFREEPATH(from); 813177997Skib LFREEPATH(to); 814177997Skib return (error); 815177997Skib} 816177997Skib 817177997Skibint 81883366Sjulianlinux_symlink(struct thread *td, struct linux_symlink_args *args) 81914331Speter{ 820102814Siedowse char *path, *to; 821102814Siedowse int error; 82214331Speter 823102814Siedowse LCONVPATHEXIST(td, args->path, &path); 824102814Siedowse /* Expand LCONVPATHCREATE so that `path' can be freed on errors */ 825177997Skib error = linux_emul_convpath(td, args->to, UIO_USERSPACE, &to, 1, AT_FDCWD); 826102814Siedowse if (to == NULL) { 827102814Siedowse LFREEPATH(path); 828102814Siedowse return (error); 829102814Siedowse } 83014331Speter 83114331Speter#ifdef DEBUG 83272543Sjlemon if (ldebug(symlink)) 833102814Siedowse printf(ARGS(symlink, "%s, %s"), path, to); 83414331Speter#endif 835102814Siedowse error = kern_symlink(td, path, to, UIO_SYSSPACE); 836102814Siedowse LFREEPATH(path); 837102814Siedowse LFREEPATH(to); 838102814Siedowse return (error); 83914331Speter} 84014331Speter 84114331Speterint 842177997Skiblinux_symlinkat(struct thread *td, struct linux_symlinkat_args *args) 843177997Skib{ 844177997Skib char *path, *to; 845177997Skib int error, dfd; 846177997Skib 847177997Skib dfd = (args->newdfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->newdfd; 848177997Skib LCONVPATHEXIST_AT(td, args->oldname, &path, dfd); 849177997Skib /* Expand LCONVPATHCREATE so that `path' can be freed on errors */ 850177997Skib error = linux_emul_convpath(td, args->newname, UIO_USERSPACE, &to, 1, dfd); 851177997Skib if (to == NULL) { 852177997Skib LFREEPATH(path); 853177997Skib return (error); 854177997Skib } 855177997Skib 856177997Skib#ifdef DEBUG 857177997Skib if (ldebug(symlinkat)) 858177997Skib printf(ARGS(symlinkat, "%s, %s"), path, to); 859177997Skib#endif 860177997Skib 861177997Skib error = kern_symlinkat(td, path, dfd, to, UIO_SYSSPACE); 862177997Skib LFREEPATH(path); 863177997Skib LFREEPATH(to); 864177997Skib return (error); 865177997Skib} 866177997Skib 867177997Skibint 86883366Sjulianlinux_readlink(struct thread *td, struct linux_readlink_args *args) 86914331Speter{ 870102814Siedowse char *name; 871102814Siedowse int error; 87214331Speter 873102814Siedowse LCONVPATHEXIST(td, args->name, &name); 87414331Speter 87514331Speter#ifdef DEBUG 87672543Sjlemon if (ldebug(readlink)) 877102814Siedowse printf(ARGS(readlink, "%s, %p, %d"), name, (void *)args->buf, 878102814Siedowse args->count); 87914331Speter#endif 880102814Siedowse error = kern_readlink(td, name, UIO_SYSSPACE, args->buf, UIO_USERSPACE, 881102814Siedowse args->count); 882102814Siedowse LFREEPATH(name); 883102814Siedowse return (error); 88414331Speter} 88514331Speter 88614331Speterint 887177997Skiblinux_readlinkat(struct thread *td, struct linux_readlinkat_args *args) 888177997Skib{ 889177997Skib char *name; 890177997Skib int error, dfd; 891177997Skib 892177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 893177997Skib LCONVPATHEXIST_AT(td, args->path, &name, dfd); 894177997Skib 895177997Skib#ifdef DEBUG 896177997Skib if (ldebug(readlinkat)) 897177997Skib printf(ARGS(readlinkat, "%s, %p, %d"), name, (void *)args->buf, 898177997Skib args->bufsiz); 899177997Skib#endif 900177997Skib 901177997Skib error = kern_readlinkat(td, dfd, name, UIO_SYSSPACE, args->buf, 902177997Skib UIO_USERSPACE, args->bufsiz); 903177997Skib LFREEPATH(name); 904177997Skib return (error); 905177997Skib} 906178439Srdivacky 907177997Skibint 90883366Sjulianlinux_truncate(struct thread *td, struct linux_truncate_args *args) 90914331Speter{ 910102814Siedowse char *path; 911102814Siedowse int error; 91214331Speter 913102814Siedowse LCONVPATHEXIST(td, args->path, &path); 91414331Speter 91514331Speter#ifdef DEBUG 91672543Sjlemon if (ldebug(truncate)) 917102814Siedowse printf(ARGS(truncate, "%s, %ld"), path, (long)args->length); 91814331Speter#endif 91914331Speter 920102814Siedowse error = kern_truncate(td, path, UIO_SYSSPACE, args->length); 921102814Siedowse LFREEPATH(path); 922102814Siedowse return (error); 92314331Speter} 92414331Speter 92549662Smarcelint 926178439Srdivackylinux_truncate64(struct thread *td, struct linux_truncate64_args *args) 927178439Srdivacky{ 928178439Srdivacky char *path; 929178439Srdivacky int error; 930178439Srdivacky 931178439Srdivacky LCONVPATHEXIST(td, args->path, &path); 932178439Srdivacky 933178439Srdivacky#ifdef DEBUG 934178439Srdivacky if (ldebug(truncate64)) 935178439Srdivacky printf(ARGS(truncate64, "%s, %jd"), path, args->length); 936178439Srdivacky#endif 937178439Srdivacky 938178439Srdivacky error = kern_truncate(td, path, UIO_SYSSPACE, args->length); 939178439Srdivacky LFREEPATH(path); 940178439Srdivacky return (error); 941178439Srdivacky} 942178439Srdivackyint 943156842Snetchildlinux_ftruncate(struct thread *td, struct linux_ftruncate_args *args) 944156842Snetchild{ 945156842Snetchild struct ftruncate_args /* { 946156842Snetchild int fd; 947156842Snetchild int pad; 948156842Snetchild off_t length; 949156842Snetchild } */ nuap; 950156842Snetchild 951156842Snetchild nuap.fd = args->fd; 952156842Snetchild nuap.length = args->length; 953225617Skmacy return (sys_ftruncate(td, &nuap)); 954156842Snetchild} 955156842Snetchild 956156842Snetchildint 95783366Sjulianlinux_link(struct thread *td, struct linux_link_args *args) 95849662Smarcel{ 959102814Siedowse char *path, *to; 960102814Siedowse int error; 96149662Smarcel 962102814Siedowse LCONVPATHEXIST(td, args->path, &path); 963102814Siedowse /* Expand LCONVPATHCREATE so that `path' can be freed on errors */ 964177997Skib error = linux_emul_convpath(td, args->to, UIO_USERSPACE, &to, 1, AT_FDCWD); 965102814Siedowse if (to == NULL) { 966102814Siedowse LFREEPATH(path); 967102814Siedowse return (error); 968102814Siedowse } 96949662Smarcel 97049662Smarcel#ifdef DEBUG 97172543Sjlemon if (ldebug(link)) 972102814Siedowse printf(ARGS(link, "%s, %s"), path, to); 97349662Smarcel#endif 974102814Siedowse error = kern_link(td, path, to, UIO_SYSSPACE); 975102814Siedowse LFREEPATH(path); 976102814Siedowse LFREEPATH(to); 977102814Siedowse return (error); 97849662Smarcel} 97949788Smarcel 98053713Smarcelint 981177997Skiblinux_linkat(struct thread *td, struct linux_linkat_args *args) 982177997Skib{ 983177997Skib char *path, *to; 984227693Sed int error, olddfd, newdfd, follow; 985177997Skib 986227693Sed if (args->flag & ~LINUX_AT_SYMLINK_FOLLOW) 987177997Skib return (EINVAL); 988177997Skib 989177997Skib olddfd = (args->olddfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->olddfd; 990177997Skib newdfd = (args->newdfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->newdfd; 991177997Skib LCONVPATHEXIST_AT(td, args->oldname, &path, olddfd); 992177997Skib /* Expand LCONVPATHCREATE so that `path' can be freed on errors */ 993177997Skib error = linux_emul_convpath(td, args->newname, UIO_USERSPACE, &to, 1, newdfd); 994177997Skib if (to == NULL) { 995177997Skib LFREEPATH(path); 996177997Skib return (error); 997177997Skib } 998177997Skib 999177997Skib#ifdef DEBUG 1000177997Skib if (ldebug(linkat)) 1001177997Skib printf(ARGS(linkat, "%i, %s, %i, %s, %i"), args->olddfd, path, 1002227693Sed args->newdfd, to, args->flag); 1003177997Skib#endif 1004177997Skib 1005227693Sed follow = (args->flag & LINUX_AT_SYMLINK_FOLLOW) == 0 ? NOFOLLOW : 1006227693Sed FOLLOW; 1007227693Sed error = kern_linkat(td, olddfd, newdfd, path, to, UIO_SYSSPACE, follow); 1008177997Skib LFREEPATH(path); 1009177997Skib LFREEPATH(to); 1010177997Skib return (error); 1011177997Skib} 1012177997Skib 1013177997Skibint 101483366Sjulianlinux_fdatasync(td, uap) 101583366Sjulian struct thread *td; 101653713Smarcel struct linux_fdatasync_args *uap; 101753713Smarcel{ 101853713Smarcel struct fsync_args bsd; 101953713Smarcel 102053713Smarcel bsd.fd = uap->fd; 1021225617Skmacy return sys_fsync(td, &bsd); 102253713Smarcel} 102363285Smarcel 102463285Smarcelint 102583366Sjulianlinux_pread(td, uap) 102683366Sjulian struct thread *td; 102763285Smarcel struct linux_pread_args *uap; 102863285Smarcel{ 102963285Smarcel struct pread_args bsd; 1030162585Snetchild struct vnode *vp; 1031162585Snetchild int error; 103263285Smarcel 103363285Smarcel bsd.fd = uap->fd; 103463285Smarcel bsd.buf = uap->buf; 103563285Smarcel bsd.nbyte = uap->nbyte; 103663285Smarcel bsd.offset = uap->offset; 1037162585Snetchild 1038225617Skmacy error = sys_pread(td, &bsd); 1039162585Snetchild 1040162585Snetchild if (error == 0) { 1041162585Snetchild /* This seems to violate POSIX but linux does it */ 1042224778Srwatson if ((error = fgetvp(td, uap->fd, CAP_READ, &vp)) != 0) 1043162585Snetchild return (error); 1044162585Snetchild if (vp->v_type == VDIR) { 1045162585Snetchild vrele(vp); 1046162585Snetchild return (EISDIR); 1047162585Snetchild } 1048162585Snetchild vrele(vp); 1049162585Snetchild } 1050162585Snetchild 1051162585Snetchild return (error); 105263285Smarcel} 105363285Smarcel 105463285Smarcelint 105583366Sjulianlinux_pwrite(td, uap) 105683366Sjulian struct thread *td; 105763285Smarcel struct linux_pwrite_args *uap; 105863285Smarcel{ 105963285Smarcel struct pwrite_args bsd; 106063285Smarcel 106163285Smarcel bsd.fd = uap->fd; 106263285Smarcel bsd.buf = uap->buf; 106363285Smarcel bsd.nbyte = uap->nbyte; 106463285Smarcel bsd.offset = uap->offset; 1065225617Skmacy return sys_pwrite(td, &bsd); 106663285Smarcel} 106772538Sjlemon 106872538Sjlemonint 106983366Sjulianlinux_mount(struct thread *td, struct linux_mount_args *args) 107072538Sjlemon{ 107172538Sjlemon struct ufs_args ufs; 1072111798Sdes char fstypename[MFSNAMELEN]; 1073111798Sdes char mntonname[MNAMELEN], mntfromname[MNAMELEN]; 107473286Sadrian int error; 107573286Sadrian int fsflags; 107673286Sadrian void *fsdata; 107772538Sjlemon 1078111798Sdes error = copyinstr(args->filesystemtype, fstypename, MFSNAMELEN - 1, 107973286Sadrian NULL); 108072538Sjlemon if (error) 1081111798Sdes return (error); 1082127057Stjr error = copyinstr(args->specialfile, mntfromname, MNAMELEN - 1, NULL); 108372538Sjlemon if (error) 1084111798Sdes return (error); 1085127057Stjr error = copyinstr(args->dir, mntonname, MNAMELEN - 1, NULL); 108672538Sjlemon if (error) 1087111798Sdes return (error); 108872538Sjlemon 108972538Sjlemon#ifdef DEBUG 109072538Sjlemon if (ldebug(mount)) 109172538Sjlemon printf(ARGS(mount, "%s, %s, %s"), 109272538Sjlemon fstypename, mntfromname, mntonname); 109372538Sjlemon#endif 109472538Sjlemon 109572538Sjlemon if (strcmp(fstypename, "ext2") == 0) { 1096127059Stjr strcpy(fstypename, "ext2fs"); 109773286Sadrian fsdata = &ufs; 109872538Sjlemon ufs.fspec = mntfromname; 109972538Sjlemon#define DEFAULT_ROOTID -2 110072538Sjlemon ufs.export.ex_root = DEFAULT_ROOTID; 110172538Sjlemon ufs.export.ex_flags = 110272538Sjlemon args->rwflag & LINUX_MS_RDONLY ? MNT_EXRDONLY : 0; 110372538Sjlemon } else if (strcmp(fstypename, "proc") == 0) { 1104127059Stjr strcpy(fstypename, "linprocfs"); 110573286Sadrian fsdata = NULL; 1106190445Sambrisko } else if (strcmp(fstypename, "vfat") == 0) { 1107190445Sambrisko strcpy(fstypename, "msdosfs"); 1108190445Sambrisko fsdata = NULL; 110972538Sjlemon } else { 111072538Sjlemon return (ENODEV); 111172538Sjlemon } 111272538Sjlemon 111373286Sadrian fsflags = 0; 111472538Sjlemon 111572538Sjlemon if ((args->rwflag & 0xffff0000) == 0xc0ed0000) { 111672538Sjlemon /* 111772538Sjlemon * Linux SYNC flag is not included; the closest equivalent 111872538Sjlemon * FreeBSD has is !ASYNC, which is our default. 111972538Sjlemon */ 112072538Sjlemon if (args->rwflag & LINUX_MS_RDONLY) 1121111798Sdes fsflags |= MNT_RDONLY; 112272538Sjlemon if (args->rwflag & LINUX_MS_NOSUID) 1123111798Sdes fsflags |= MNT_NOSUID; 112472538Sjlemon if (args->rwflag & LINUX_MS_NOEXEC) 1125111798Sdes fsflags |= MNT_NOEXEC; 112672538Sjlemon if (args->rwflag & LINUX_MS_REMOUNT) 1127111798Sdes fsflags |= MNT_UPDATE; 112872538Sjlemon } 112972538Sjlemon 1130127059Stjr if (strcmp(fstypename, "linprocfs") == 0) { 1131132708Sphk error = kernel_vmount(fsflags, 1132132708Sphk "fstype", fstypename, 1133132708Sphk "fspath", mntonname, 1134132708Sphk NULL); 1135190445Sambrisko } else if (strcmp(fstypename, "msdosfs") == 0) { 1136190445Sambrisko error = kernel_vmount(fsflags, 1137190445Sambrisko "fstype", fstypename, 1138190445Sambrisko "fspath", mntonname, 1139190445Sambrisko "from", mntfromname, 1140190445Sambrisko NULL); 1141127059Stjr } else 1142138353Sphk error = EOPNOTSUPP; 1143127059Stjr return (error); 114472538Sjlemon} 114572538Sjlemon 114672538Sjlemonint 114783366Sjulianlinux_oldumount(struct thread *td, struct linux_oldumount_args *args) 114872538Sjlemon{ 114983221Smarcel struct linux_umount_args args2; 115072538Sjlemon 115172538Sjlemon args2.path = args->path; 115272538Sjlemon args2.flags = 0; 115383366Sjulian return (linux_umount(td, &args2)); 115472538Sjlemon} 115572538Sjlemon 115672538Sjlemonint 115783366Sjulianlinux_umount(struct thread *td, struct linux_umount_args *args) 115872538Sjlemon{ 115972538Sjlemon struct unmount_args bsd; 116072538Sjlemon 116172538Sjlemon bsd.path = args->path; 116272538Sjlemon bsd.flags = args->flags; /* XXX correct? */ 1163225617Skmacy return (sys_unmount(td, &bsd)); 116472538Sjlemon} 116583221Smarcel 116683221Smarcel/* 116783221Smarcel * fcntl family of syscalls 116883221Smarcel */ 116983221Smarcel 117083221Smarcelstruct l_flock { 117183221Smarcel l_short l_type; 117283221Smarcel l_short l_whence; 117383221Smarcel l_off_t l_start; 117483221Smarcel l_off_t l_len; 117583221Smarcel l_pid_t l_pid; 1176133816Stjr} 1177140214Sobrien#if defined(__amd64__) && defined(COMPAT_LINUX32) 1178133816Stjr__packed 1179133816Stjr#endif 1180133816Stjr; 118183221Smarcel 118283221Smarcelstatic void 118383221Smarcellinux_to_bsd_flock(struct l_flock *linux_flock, struct flock *bsd_flock) 118483221Smarcel{ 118583221Smarcel switch (linux_flock->l_type) { 118683221Smarcel case LINUX_F_RDLCK: 118783221Smarcel bsd_flock->l_type = F_RDLCK; 118883221Smarcel break; 118983221Smarcel case LINUX_F_WRLCK: 119083221Smarcel bsd_flock->l_type = F_WRLCK; 119183221Smarcel break; 119283221Smarcel case LINUX_F_UNLCK: 119383221Smarcel bsd_flock->l_type = F_UNLCK; 119483221Smarcel break; 119583221Smarcel default: 119683221Smarcel bsd_flock->l_type = -1; 119783221Smarcel break; 119883221Smarcel } 119983221Smarcel bsd_flock->l_whence = linux_flock->l_whence; 120083221Smarcel bsd_flock->l_start = (off_t)linux_flock->l_start; 120183221Smarcel bsd_flock->l_len = (off_t)linux_flock->l_len; 120283221Smarcel bsd_flock->l_pid = (pid_t)linux_flock->l_pid; 1203177633Sdfr bsd_flock->l_sysid = 0; 120483221Smarcel} 120583221Smarcel 120683221Smarcelstatic void 120783221Smarcelbsd_to_linux_flock(struct flock *bsd_flock, struct l_flock *linux_flock) 120883221Smarcel{ 120983221Smarcel switch (bsd_flock->l_type) { 121083221Smarcel case F_RDLCK: 121183221Smarcel linux_flock->l_type = LINUX_F_RDLCK; 121283221Smarcel break; 121383221Smarcel case F_WRLCK: 121483221Smarcel linux_flock->l_type = LINUX_F_WRLCK; 121583221Smarcel break; 121683221Smarcel case F_UNLCK: 121783221Smarcel linux_flock->l_type = LINUX_F_UNLCK; 121883221Smarcel break; 121983221Smarcel } 122083221Smarcel linux_flock->l_whence = bsd_flock->l_whence; 122183221Smarcel linux_flock->l_start = (l_off_t)bsd_flock->l_start; 122283221Smarcel linux_flock->l_len = (l_off_t)bsd_flock->l_len; 122383221Smarcel linux_flock->l_pid = (l_pid_t)bsd_flock->l_pid; 122483221Smarcel} 122583221Smarcel 1226140214Sobrien#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) 122783221Smarcelstruct l_flock64 { 122883221Smarcel l_short l_type; 122983221Smarcel l_short l_whence; 123083221Smarcel l_loff_t l_start; 123183221Smarcel l_loff_t l_len; 123283221Smarcel l_pid_t l_pid; 1233133816Stjr} 1234140214Sobrien#if defined(__amd64__) && defined(COMPAT_LINUX32) 1235133816Stjr__packed 1236133816Stjr#endif 1237133816Stjr; 123883221Smarcel 123983221Smarcelstatic void 124083221Smarcellinux_to_bsd_flock64(struct l_flock64 *linux_flock, struct flock *bsd_flock) 124183221Smarcel{ 124283221Smarcel switch (linux_flock->l_type) { 124383221Smarcel case LINUX_F_RDLCK: 124483221Smarcel bsd_flock->l_type = F_RDLCK; 124583221Smarcel break; 124683221Smarcel case LINUX_F_WRLCK: 124783221Smarcel bsd_flock->l_type = F_WRLCK; 124883221Smarcel break; 124983221Smarcel case LINUX_F_UNLCK: 125083221Smarcel bsd_flock->l_type = F_UNLCK; 125183221Smarcel break; 125283221Smarcel default: 125383221Smarcel bsd_flock->l_type = -1; 125483221Smarcel break; 125583221Smarcel } 125683221Smarcel bsd_flock->l_whence = linux_flock->l_whence; 125783221Smarcel bsd_flock->l_start = (off_t)linux_flock->l_start; 125883221Smarcel bsd_flock->l_len = (off_t)linux_flock->l_len; 125983221Smarcel bsd_flock->l_pid = (pid_t)linux_flock->l_pid; 1260177633Sdfr bsd_flock->l_sysid = 0; 126183221Smarcel} 126283221Smarcel 126383221Smarcelstatic void 126483221Smarcelbsd_to_linux_flock64(struct flock *bsd_flock, struct l_flock64 *linux_flock) 126583221Smarcel{ 126683221Smarcel switch (bsd_flock->l_type) { 126783221Smarcel case F_RDLCK: 126883221Smarcel linux_flock->l_type = LINUX_F_RDLCK; 126983221Smarcel break; 127083221Smarcel case F_WRLCK: 127183221Smarcel linux_flock->l_type = LINUX_F_WRLCK; 127283221Smarcel break; 127383221Smarcel case F_UNLCK: 127483221Smarcel linux_flock->l_type = LINUX_F_UNLCK; 127583221Smarcel break; 127683221Smarcel } 127783221Smarcel linux_flock->l_whence = bsd_flock->l_whence; 127883221Smarcel linux_flock->l_start = (l_loff_t)bsd_flock->l_start; 127983221Smarcel linux_flock->l_len = (l_loff_t)bsd_flock->l_len; 128083221Smarcel linux_flock->l_pid = (l_pid_t)bsd_flock->l_pid; 128183221Smarcel} 1282133816Stjr#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ 128383221Smarcel 128483221Smarcelstatic int 128583366Sjulianfcntl_common(struct thread *td, struct linux_fcntl64_args *args) 128683221Smarcel{ 1287107680Siedowse struct l_flock linux_flock; 1288107680Siedowse struct flock bsd_flock; 128983221Smarcel struct file *fp; 1290102872Siedowse long arg; 129183221Smarcel int error, result; 129283221Smarcel 129383221Smarcel switch (args->cmd) { 129483221Smarcel case LINUX_F_DUPFD: 1295102872Siedowse return (kern_fcntl(td, args->fd, F_DUPFD, args->arg)); 129683221Smarcel 129783221Smarcel case LINUX_F_GETFD: 1298102872Siedowse return (kern_fcntl(td, args->fd, F_GETFD, 0)); 129983221Smarcel 130083221Smarcel case LINUX_F_SETFD: 1301102872Siedowse return (kern_fcntl(td, args->fd, F_SETFD, args->arg)); 130283221Smarcel 130383221Smarcel case LINUX_F_GETFL: 1304102872Siedowse error = kern_fcntl(td, args->fd, F_GETFL, 0); 130583366Sjulian result = td->td_retval[0]; 130683366Sjulian td->td_retval[0] = 0; 130783221Smarcel if (result & O_RDONLY) 130883366Sjulian td->td_retval[0] |= LINUX_O_RDONLY; 130983221Smarcel if (result & O_WRONLY) 131083366Sjulian td->td_retval[0] |= LINUX_O_WRONLY; 131183221Smarcel if (result & O_RDWR) 131283366Sjulian td->td_retval[0] |= LINUX_O_RDWR; 131383221Smarcel if (result & O_NDELAY) 131483366Sjulian td->td_retval[0] |= LINUX_O_NONBLOCK; 131583221Smarcel if (result & O_APPEND) 131683366Sjulian td->td_retval[0] |= LINUX_O_APPEND; 131783221Smarcel if (result & O_FSYNC) 131883366Sjulian td->td_retval[0] |= LINUX_O_SYNC; 131983221Smarcel if (result & O_ASYNC) 132083366Sjulian td->td_retval[0] |= LINUX_FASYNC; 1321144987Smdodd#ifdef LINUX_O_NOFOLLOW 1322144987Smdodd if (result & O_NOFOLLOW) 1323144987Smdodd td->td_retval[0] |= LINUX_O_NOFOLLOW; 1324144987Smdodd#endif 1325144987Smdodd#ifdef LINUX_O_DIRECT 1326144987Smdodd if (result & O_DIRECT) 1327144987Smdodd td->td_retval[0] |= LINUX_O_DIRECT; 1328144987Smdodd#endif 132983221Smarcel return (error); 133083221Smarcel 133183221Smarcel case LINUX_F_SETFL: 1332102872Siedowse arg = 0; 133383221Smarcel if (args->arg & LINUX_O_NDELAY) 1334102872Siedowse arg |= O_NONBLOCK; 133583221Smarcel if (args->arg & LINUX_O_APPEND) 1336102872Siedowse arg |= O_APPEND; 133783221Smarcel if (args->arg & LINUX_O_SYNC) 1338102872Siedowse arg |= O_FSYNC; 133983221Smarcel if (args->arg & LINUX_FASYNC) 1340102872Siedowse arg |= O_ASYNC; 1341144987Smdodd#ifdef LINUX_O_NOFOLLOW 1342144987Smdodd if (args->arg & LINUX_O_NOFOLLOW) 1343144987Smdodd arg |= O_NOFOLLOW; 1344144987Smdodd#endif 1345144987Smdodd#ifdef LINUX_O_DIRECT 1346144987Smdodd if (args->arg & LINUX_O_DIRECT) 1347144987Smdodd arg |= O_DIRECT; 1348144987Smdodd#endif 1349102872Siedowse return (kern_fcntl(td, args->fd, F_SETFL, arg)); 135083221Smarcel 1351107680Siedowse case LINUX_F_GETLK: 1352111797Sdes error = copyin((void *)args->arg, &linux_flock, 1353107680Siedowse sizeof(linux_flock)); 1354107680Siedowse if (error) 1355107680Siedowse return (error); 1356107680Siedowse linux_to_bsd_flock(&linux_flock, &bsd_flock); 1357107680Siedowse error = kern_fcntl(td, args->fd, F_GETLK, (intptr_t)&bsd_flock); 1358107680Siedowse if (error) 1359107680Siedowse return (error); 1360107680Siedowse bsd_to_linux_flock(&bsd_flock, &linux_flock); 1361111797Sdes return (copyout(&linux_flock, (void *)args->arg, 1362107680Siedowse sizeof(linux_flock))); 1363107680Siedowse 1364107680Siedowse case LINUX_F_SETLK: 1365111797Sdes error = copyin((void *)args->arg, &linux_flock, 1366107680Siedowse sizeof(linux_flock)); 1367107680Siedowse if (error) 1368107680Siedowse return (error); 1369107680Siedowse linux_to_bsd_flock(&linux_flock, &bsd_flock); 1370107680Siedowse return (kern_fcntl(td, args->fd, F_SETLK, 1371107680Siedowse (intptr_t)&bsd_flock)); 1372107680Siedowse 1373107680Siedowse case LINUX_F_SETLKW: 1374111797Sdes error = copyin((void *)args->arg, &linux_flock, 1375107680Siedowse sizeof(linux_flock)); 1376107680Siedowse if (error) 1377107680Siedowse return (error); 1378107680Siedowse linux_to_bsd_flock(&linux_flock, &bsd_flock); 1379107680Siedowse return (kern_fcntl(td, args->fd, F_SETLKW, 1380107680Siedowse (intptr_t)&bsd_flock)); 1381107680Siedowse 138283221Smarcel case LINUX_F_GETOWN: 1383102872Siedowse return (kern_fcntl(td, args->fd, F_GETOWN, 0)); 138483221Smarcel 138583221Smarcel case LINUX_F_SETOWN: 138683221Smarcel /* 138783221Smarcel * XXX some Linux applications depend on F_SETOWN having no 138883221Smarcel * significant effect for pipes (SIGIO is not delivered for 138983221Smarcel * pipes under Linux-2.2.35 at least). 139083221Smarcel */ 1391224778Srwatson error = fget(td, args->fd, CAP_FCNTL, &fp); 139289319Salfred if (error) 139389319Salfred return (error); 139489306Salfred if (fp->f_type == DTYPE_PIPE) { 139589306Salfred fdrop(fp, td); 139683221Smarcel return (EINVAL); 139789306Salfred } 139889306Salfred fdrop(fp, td); 139983221Smarcel 1400102872Siedowse return (kern_fcntl(td, args->fd, F_SETOWN, args->arg)); 140183221Smarcel } 140283221Smarcel 140383221Smarcel return (EINVAL); 140483221Smarcel} 140583221Smarcel 140683221Smarcelint 140783366Sjulianlinux_fcntl(struct thread *td, struct linux_fcntl_args *args) 140883221Smarcel{ 140983221Smarcel struct linux_fcntl64_args args64; 141083221Smarcel 141183221Smarcel#ifdef DEBUG 141283221Smarcel if (ldebug(fcntl)) 141383221Smarcel printf(ARGS(fcntl, "%d, %08x, *"), args->fd, args->cmd); 141483221Smarcel#endif 141583221Smarcel 141683221Smarcel args64.fd = args->fd; 141783221Smarcel args64.cmd = args->cmd; 141883221Smarcel args64.arg = args->arg; 141983366Sjulian return (fcntl_common(td, &args64)); 142083221Smarcel} 142183221Smarcel 1422140214Sobrien#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) 142383221Smarcelint 142483366Sjulianlinux_fcntl64(struct thread *td, struct linux_fcntl64_args *args) 142583221Smarcel{ 142683221Smarcel struct l_flock64 linux_flock; 1427102872Siedowse struct flock bsd_flock; 142883221Smarcel int error; 142983221Smarcel 143083221Smarcel#ifdef DEBUG 143183221Smarcel if (ldebug(fcntl64)) 143283221Smarcel printf(ARGS(fcntl64, "%d, %08x, *"), args->fd, args->cmd); 143383221Smarcel#endif 143483221Smarcel 143583221Smarcel switch (args->cmd) { 143699687Srobert case LINUX_F_GETLK64: 1437111797Sdes error = copyin((void *)args->arg, &linux_flock, 143883221Smarcel sizeof(linux_flock)); 143983221Smarcel if (error) 144083221Smarcel return (error); 1441102872Siedowse linux_to_bsd_flock64(&linux_flock, &bsd_flock); 1442102872Siedowse error = kern_fcntl(td, args->fd, F_GETLK, (intptr_t)&bsd_flock); 144383221Smarcel if (error) 144483221Smarcel return (error); 1445102872Siedowse bsd_to_linux_flock64(&bsd_flock, &linux_flock); 1446111797Sdes return (copyout(&linux_flock, (void *)args->arg, 1447111797Sdes sizeof(linux_flock))); 144883221Smarcel 144999687Srobert case LINUX_F_SETLK64: 1450111797Sdes error = copyin((void *)args->arg, &linux_flock, 145183221Smarcel sizeof(linux_flock)); 145283221Smarcel if (error) 145383221Smarcel return (error); 1454102872Siedowse linux_to_bsd_flock64(&linux_flock, &bsd_flock); 1455102872Siedowse return (kern_fcntl(td, args->fd, F_SETLK, 1456102872Siedowse (intptr_t)&bsd_flock)); 145783221Smarcel 145899687Srobert case LINUX_F_SETLKW64: 1459111797Sdes error = copyin((void *)args->arg, &linux_flock, 146083221Smarcel sizeof(linux_flock)); 146183221Smarcel if (error) 146283221Smarcel return (error); 1463102872Siedowse linux_to_bsd_flock64(&linux_flock, &bsd_flock); 1464102872Siedowse return (kern_fcntl(td, args->fd, F_SETLKW, 1465102872Siedowse (intptr_t)&bsd_flock)); 146683221Smarcel } 146783221Smarcel 146883366Sjulian return (fcntl_common(td, args)); 146983221Smarcel} 1470133816Stjr#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ 147185022Smarcel 147285022Smarcelint 147385022Smarcellinux_chown(struct thread *td, struct linux_chown_args *args) 147485022Smarcel{ 1475102814Siedowse char *path; 1476102814Siedowse int error; 147785022Smarcel 1478102814Siedowse LCONVPATHEXIST(td, args->path, &path); 147985022Smarcel 148085022Smarcel#ifdef DEBUG 148185022Smarcel if (ldebug(chown)) 1482102814Siedowse printf(ARGS(chown, "%s, %d, %d"), path, args->uid, args->gid); 148385022Smarcel#endif 1484102814Siedowse error = kern_chown(td, path, UIO_SYSSPACE, args->uid, args->gid); 1485102814Siedowse LFREEPATH(path); 1486102814Siedowse return (error); 148785022Smarcel} 148885022Smarcel 148985022Smarcelint 1490177997Skiblinux_fchownat(struct thread *td, struct linux_fchownat_args *args) 1491177997Skib{ 1492177997Skib char *path; 1493227693Sed int error, dfd, flag; 1494177997Skib 1495177997Skib if (args->flag & ~LINUX_AT_SYMLINK_NOFOLLOW) 1496177997Skib return (EINVAL); 1497177997Skib 1498177997Skib dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; 1499177997Skib LCONVPATHEXIST_AT(td, args->filename, &path, dfd); 1500177997Skib 1501177997Skib#ifdef DEBUG 1502177997Skib if (ldebug(fchownat)) 1503177997Skib printf(ARGS(fchownat, "%s, %d, %d"), path, args->uid, args->gid); 1504177997Skib#endif 1505177997Skib 1506227693Sed flag = (args->flag & LINUX_AT_SYMLINK_NOFOLLOW) == 0 ? 0 : 1507177997Skib AT_SYMLINK_NOFOLLOW; 1508177997Skib error = kern_fchownat(td, dfd, path, UIO_SYSSPACE, args->uid, args->gid, 1509227693Sed flag); 1510177997Skib LFREEPATH(path); 1511177997Skib return (error); 1512177997Skib} 1513177997Skib 1514177997Skibint 151585022Smarcellinux_lchown(struct thread *td, struct linux_lchown_args *args) 151685022Smarcel{ 1517102814Siedowse char *path; 1518102814Siedowse int error; 151985022Smarcel 1520102814Siedowse LCONVPATHEXIST(td, args->path, &path); 152185022Smarcel 152285022Smarcel#ifdef DEBUG 152385022Smarcel if (ldebug(lchown)) 1524102814Siedowse printf(ARGS(lchown, "%s, %d, %d"), path, args->uid, args->gid); 152585022Smarcel#endif 1526102814Siedowse error = kern_lchown(td, path, UIO_SYSSPACE, args->uid, args->gid); 1527102814Siedowse LFREEPATH(path); 1528102814Siedowse return (error); 152985022Smarcel} 1530228957Sjhb 1531228957Sjhbstatic int 1532228957Sjhbconvert_fadvice(int advice) 1533228957Sjhb{ 1534228957Sjhb switch (advice) { 1535228957Sjhb case LINUX_POSIX_FADV_NORMAL: 1536228957Sjhb return (POSIX_FADV_NORMAL); 1537228957Sjhb case LINUX_POSIX_FADV_RANDOM: 1538228957Sjhb return (POSIX_FADV_RANDOM); 1539228957Sjhb case LINUX_POSIX_FADV_SEQUENTIAL: 1540228957Sjhb return (POSIX_FADV_SEQUENTIAL); 1541228957Sjhb case LINUX_POSIX_FADV_WILLNEED: 1542228957Sjhb return (POSIX_FADV_WILLNEED); 1543228957Sjhb case LINUX_POSIX_FADV_DONTNEED: 1544228957Sjhb return (POSIX_FADV_DONTNEED); 1545228957Sjhb case LINUX_POSIX_FADV_NOREUSE: 1546228957Sjhb return (POSIX_FADV_NOREUSE); 1547228957Sjhb default: 1548228957Sjhb return (-1); 1549228957Sjhb } 1550228957Sjhb} 1551228957Sjhb 1552228957Sjhbint 1553228957Sjhblinux_fadvise64(struct thread *td, struct linux_fadvise64_args *args) 1554228957Sjhb{ 1555228957Sjhb int advice; 1556228957Sjhb 1557228957Sjhb advice = convert_fadvice(args->advice); 1558228957Sjhb if (advice == -1) 1559228957Sjhb return (EINVAL); 1560228957Sjhb return (kern_posix_fadvise(td, args->fd, args->offset, args->len, 1561228957Sjhb advice)); 1562228957Sjhb} 1563228957Sjhb 1564228957Sjhbint 1565228957Sjhblinux_fadvise64_64(struct thread *td, struct linux_fadvise64_64_args *args) 1566228957Sjhb{ 1567228957Sjhb int advice; 1568228957Sjhb 1569228957Sjhb advice = convert_fadvice(args->advice); 1570228957Sjhb if (advice == -1) 1571228957Sjhb return (EINVAL); 1572228957Sjhb return (kern_posix_fadvise(td, args->fd, args->offset, args->len, 1573228957Sjhb advice)); 1574228957Sjhb} 1575234352Sjkim 1576234352Sjkimint 1577234352Sjkimlinux_pipe(struct thread *td, struct linux_pipe_args *args) 1578234352Sjkim{ 1579234352Sjkim int fildes[2]; 1580234352Sjkim int error; 1581234352Sjkim 1582234352Sjkim#ifdef DEBUG 1583234352Sjkim if (ldebug(pipe)) 1584234352Sjkim printf(ARGS(pipe, "*")); 1585234352Sjkim#endif 1586234352Sjkim 1587234352Sjkim error = do_pipe(td, fildes, 0); 1588234352Sjkim if (error) 1589234352Sjkim return (error); 1590234352Sjkim 1591234352Sjkim /* XXX: Close descriptors on error. */ 1592234352Sjkim return (copyout(fildes, args->pipefds, sizeof(fildes))); 1593234352Sjkim} 1594234352Sjkim 1595234352Sjkimint 1596234352Sjkimlinux_pipe2(struct thread *td, struct linux_pipe2_args *args) 1597234352Sjkim{ 1598234352Sjkim int fildes[2]; 1599234352Sjkim int error, flags; 1600234352Sjkim 1601234352Sjkim#ifdef DEBUG 1602234352Sjkim if (ldebug(pipe2)) 1603234352Sjkim printf(ARGS(pipe2, "*, %d"), args->flags); 1604234352Sjkim#endif 1605234352Sjkim 1606234352Sjkim if ((args->flags & ~(LINUX_O_NONBLOCK | LINUX_O_CLOEXEC)) != 0) 1607234352Sjkim return (EINVAL); 1608234352Sjkim 1609234352Sjkim flags = 0; 1610234352Sjkim if ((args->flags & LINUX_O_NONBLOCK) != 0) 1611234352Sjkim flags |= O_NONBLOCK; 1612234352Sjkim if ((args->flags & LINUX_O_CLOEXEC) != 0) 1613234352Sjkim flags |= O_CLOEXEC; 1614234352Sjkim error = do_pipe(td, fildes, flags); 1615234352Sjkim if (error) 1616234352Sjkim return (error); 1617234352Sjkim 1618234352Sjkim /* XXX: Close descriptors on error. */ 1619234352Sjkim return (copyout(fildes, args->pipefds, sizeof(fildes))); 1620234352Sjkim} 1621