diff options
Diffstat (limited to 'usr.sbin/afs/src/arlad/bsd-subr.c')
| -rw-r--r-- | usr.sbin/afs/src/arlad/bsd-subr.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/usr.sbin/afs/src/arlad/bsd-subr.c b/usr.sbin/afs/src/arlad/bsd-subr.c new file mode 100644 index 00000000000..a41669f1d70 --- /dev/null +++ b/usr.sbin/afs/src/arlad/bsd-subr.c @@ -0,0 +1,156 @@ +/* $OpenBSD: bsd-subr.c,v 1.1.1.1 1998/09/14 21:52:55 art Exp $ */ +/* + * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the Kungliga Tekniska + * Högskolan and its contributors. + * + * 4. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* XXX need this to get dirent and DIRSIZ */ +#ifdef __osf__ +#define _OSF_SOURCE +#define _BSD +#endif +#include "arla_local.h" +RCSID("$KTH: bsd-subr.c,v 1.24 1998/05/02 02:28:46 assar Exp $"); + +static long blocksize = 1024; /* XXX */ + +struct args { + int fd; + off_t off; + char *buf; + char *ptr; + struct dirent *last; + FCacheEntry *e; +}; + +static void +flushbuf (struct args *args) +{ + unsigned inc = blocksize - (args->ptr - args->buf); + + args->last->d_reclen += inc; +#if 0 + args->last->d_off += inc; +#endif + if (write (args->fd, args->buf, blocksize) != blocksize) + arla_warn (ADEBWARN, errno, "write"); + args->ptr = args->buf; + args->last = NULL; +} + +static void +write_dirent(VenusFid *fid, const char *name, void *arg) +{ + struct dirent dirent, *real; + struct args *args = (struct args *)arg; + + dirent.d_namlen = strlen (name); + dirent.d_reclen = DIRSIZ(&dirent); + + if (args->ptr + dirent.d_reclen > args->buf + blocksize) + flushbuf (args); + real = (struct dirent *)args->ptr; + + real->d_namlen = dirent.d_namlen; + real->d_reclen = dirent.d_reclen; +#ifdef HAVE_STRUCT_DIRENT_D_TYPE + real->d_type = DT_UNKNOWN; +#endif + + if (dirent.d_namlen == 2 + && strcmp(name, "..") == 0 + && args->e->flags.mountp) { + real->d_fileno = afsfid2inode (&args->e->parent); + } else if (dirent.d_namlen == 1 && + strcmp(name, ".") == 0 && + args->e->flags.mountp) { + real->d_fileno = afsfid2inode (&args->e->realfid); + } else + real->d_fileno = afsfid2inode (fid); + strcpy (real->d_name, name); + args->ptr += real->d_reclen; + args->off += real->d_reclen; +#if 0 + real->d_off = args->off; +#endif + args->last = real; +} + +/* + * + */ + +Result +conv_dir (FCacheEntry *e, char *handle, size_t handle_size, + CredCacheEntry *ce, u_int tokens) +{ + struct args args; + Result res; + + e->flags.extradirp = TRUE; + fcache_extra_file_name (e, handle, handle_size); + res.tokens = e->tokens |= XFS_DATA_R | XFS_OPEN_NR; + + args.fd = open (handle, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666); + if (args.fd == -1) { + res.res = -1; + res.error = errno; + arla_warn (ADEBWARN, errno, "open %s", handle); + return res; + } + args.off = 0; + args.buf = (char *)malloc (blocksize); + if (args.buf == NULL) { + arla_warn (ADEBWARN, errno, "malloc %u", (unsigned)blocksize); + res.res = -1; + res.error = errno; + close (args.fd); + return res; + } + args.ptr = args.buf; + args.last = NULL; + args.e = e; + ReleaseWriteLock (&e->lock); + adir_readdir (e->fid, write_dirent, (void *)&args, ce); + ObtainWriteLock (&e->lock); + if (args.last) + flushbuf (&args); + free (args.buf); + res.res = close (args.fd); + if (res.res) + res.error = errno; + return res; +} |