/* * Copyright (c) 1989 Jan-Simon Pendry * Copyright (c) 1989 Imperial College of Science, Technology & Medicine * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Jan-Simon Pendry at Imperial College, London. * * 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 University of * California, Berkeley and its contributors. * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * @(#)pfs_ops.c 8.1 (Berkeley) 6/6/93 * * $Id: pfs_ops.c,v 5.2.2.1 1992/02/09 15:08:56 jsp beta $ * */ #include "am.h" #ifdef HAS_PFS /* * Program file system */ /* * Execute needs a mount and unmount command. */ static char *pfs_match(fo) am_opts *fo; { char *prog; if (!fo->opt_mount || !fo->opt_unmount) { plog(XLOG_USER, "program: no mount/unmount specified"); return 0; } prog = strchr(fo->opt_mount, ' '); return strdup(prog ? prog+1 : fo->opt_mount); } static int pfs_init(mf) mntfs *mf; { /* * Save unmount command */ if (mf->mf_refc == 1) { mf->mf_private = (voidp) strdup(mf->mf_fo->opt_unmount); mf->mf_prfree = (void (*) ()) free; } return 0; } static int pfs_exec(info) char *info; { char **xivec; int error; /* * Split copy of command info string */ info = strdup(info); if (info == 0) return ENOBUFS; xivec = strsplit(info, ' ', '\''); /* * Put stdout to stderr */ (void) fclose(stdout); (void) dup(fileno(logfp)); if (fileno(logfp) != fileno(stderr)) { (void) fclose(stderr); (void) dup(fileno(logfp)); } /* * Try the exec */ #ifdef DEBUG Debug(D_FULL) { char **cp = xivec; plog(XLOG_DEBUG, "executing (un)mount command..."); while (*cp) { plog(XLOG_DEBUG, "arg[%d] = '%s'", cp-xivec, *cp); cp++; } } #endif /* DEBUG */ if (xivec[0] == 0 || xivec[1] == 0) { errno = EINVAL; plog(XLOG_USER, "1st/2nd args missing to (un)mount program"); } else { (void) execv(xivec[0], xivec+1); } /* * Save error number */ error = errno; plog(XLOG_ERROR, "exec failed: %m"); /* * Free allocate memory */ free((voidp) info); free((voidp) xivec); /* * Return error */ return error; } static int pfs_fmount(mf) mntfs *mf; { return pfs_exec(mf->mf_fo->opt_mount); } static int pfs_fumount(mf) mntfs *mf; { return pfs_exec((char *) mf->mf_private); } /* * Ops structure */ am_ops pfs_ops = { "program", pfs_match, pfs_init, auto_fmount, pfs_fmount, auto_fumount, pfs_fumount, efs_lookuppn, efs_readdir, 0, /* pfs_readlink */ 0, /* pfs_mounted */ 0, /* pfs_umounted */ find_afs_srvr, FS_BACKGROUND|FS_AMQINFO }; #endif /* HAS_PFS */