2 * Copyright (c) 1997-2006 Erez Zadok
3 * Copyright (c) 1989 Jan-Simon Pendry
4 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1989 The Regents of the University of California.
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgment:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * File: am-utils/amd/amfs_program.c
50 #endif /* HAVE_CONFIG_H */
54 /* forward definitions */
55 static char *amfs_program_match(am_opts *fo);
56 static int amfs_program_mount(am_node *am, mntfs *mf);
57 static int amfs_program_umount(am_node *am, mntfs *mf);
58 static int amfs_program_init(mntfs *mf);
63 am_ops amfs_program_ops =
70 amfs_error_lookup_child,
71 amfs_error_mount_child,
73 0, /* amfs_program_readlink */
74 0, /* amfs_program_mounted */
75 0, /* amfs_program_umounted */
76 amfs_generic_find_srvr,
77 0, /* amfs_program_get_wchan */
78 FS_MKMNT | FS_BACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
80 AUTOFS_PROGRAM_FS_FLAGS,
81 #endif /* HAVE_FS_AUTOFS */
86 * Execute needs a mount and unmount command.
89 amfs_program_match(am_opts *fo)
93 if (fo->opt_unmount && fo->opt_umount) {
94 plog(XLOG_ERROR, "program: cannot specify both unmount and umount options");
98 plog(XLOG_ERROR, "program: must specify mount command");
101 if (!fo->opt_unmount && !fo->opt_umount) {
102 fo->opt_unmount = str3cat(NULL, UNMOUNT_PROGRAM, " umount ", fo->opt_fs);
103 plog(XLOG_INFO, "program: un/umount not specified; using default \"%s\"",
106 prog = strchr(fo->opt_mount, ' ');
108 return strdup(prog ? prog + 1 : fo->opt_mount);
113 amfs_program_init(mntfs *mf)
115 /* check if already saved value */
116 if (mf->mf_private != NULL)
119 /* save unmount (or umount) command */
120 if (mf->mf_fo->opt_unmount != NULL)
121 mf->mf_private = (opaque_t) strdup(mf->mf_fo->opt_unmount);
123 mf->mf_private = (opaque_t) strdup(mf->mf_fo->opt_umount);
124 mf->mf_prfree = (void (*)(opaque_t)) free;
131 amfs_program_exec(char *info)
137 * Split copy of command info string
142 xivec = strsplit(info, ' ', '\'');
145 * Put stdout to stderr
147 (void) fclose(stdout);
149 logfp = stderr; /* initialize before possible first use */
150 (void) dup(fileno(logfp));
151 if (fileno(logfp) != fileno(stderr)) {
152 (void) fclose(stderr);
153 (void) dup(fileno(logfp));
159 if (amuDebug(D_FULL)) {
161 plog(XLOG_DEBUG, "executing (un)mount command...");
163 plog(XLOG_DEBUG, "arg[%ld] = '%s'", (long) (cp - xivec), *cp);
168 if (xivec[0] == 0 || xivec[1] == 0) {
170 plog(XLOG_USER, "1st/2nd args missing to (un)mount program");
172 (void) execv(xivec[0], xivec + 1);
179 plog(XLOG_ERROR, "exec failed: %m");
182 * Free allocate memory
195 amfs_program_mount(am_node *am, mntfs *mf)
197 return amfs_program_exec(mf->mf_fo->opt_mount);
202 amfs_program_umount(am_node *am, mntfs *mf)
204 return amfs_program_exec((char *) mf->mf_private);