1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29
30 /*
31 * Just in case we're not in a build environment, make sure that
32 * TEXT_DOMAIN gets set to something.
33 */
34 #if !defined(TEXT_DOMAIN)
35 #define TEXT_DOMAIN "SYS_TEST"
36 #endif
37
38 /*
39 * patch md.cf file
40 */
41
42 #include <meta.h>
43
44 /*
45 * save metadevice configuration in md.cf
46 */
47 int
meta_update_md_cf(mdsetname_t * sp,md_error_t * ep)48 meta_update_md_cf(
49 mdsetname_t *sp,
50 md_error_t *ep
51 )
52 {
53 char *name = METACONF;
54 char *tname = METACONFTMP;
55 FILE *tfp = NULL;
56 FILE *mfp = NULL;
57 mdprtopts_t options = PRINT_SHORT | PRINT_FAST;
58 struct stat sbuf;
59 char line[1000];
60
61 /* If this is not the local set, no need to do anything */
62 if (!metaislocalset(sp))
63 return (0);
64
65 /* open temp file */
66 if ((tfp = fopen(tname, "w")) == NULL)
67 return (mdsyserror(ep, errno, tname));
68 if (stat(name, &sbuf) == 0) {
69 (void) fchmod(fileno(tfp), (sbuf.st_mode & 0777));
70 (void) fchown(fileno(tfp), sbuf.st_uid, sbuf.st_gid);
71 }
72
73 /* dump header */
74 if (fputs(dgettext(TEXT_DOMAIN,
75 "# metadevice configuration file\n"
76 "# do not hand edit\n"), tfp) == EOF) {
77 (void) mdsyserror(ep, errno, tname);
78 goto errout;
79 }
80
81 /* dump device configuration */
82 if (meta_print_all(sp, tname, NULL, tfp, options, NULL, ep) != 0)
83 goto errout;
84
85 /* close and rename file */
86 if (fclose(tfp) != 0) {
87 (void) mdsyserror(ep, errno, tname);
88 goto errout;
89 }
90 tfp = NULL;
91
92 /*
93 * Renames don't work in the miniroot since tmpfiles are
94 * created in /var/tmp. Hence we copy the data out.
95 */
96
97 if (rename(tname, name) != 0) {
98 if (errno == EROFS) {
99 if ((tfp = fopen(tname, "r")) == NULL) {
100 goto errout;
101 }
102 if ((mfp = fopen(METACONF, "w+")) == NULL) {
103 goto errout;
104 }
105 while (fgets(line, 1000, tfp) != NULL) {
106 if (fputs(line, mfp) == NULL) {
107 (void) mdsyserror(ep, errno, METACONF);
108 goto errout;
109 }
110 }
111 if (fclose(tfp) != 0) {
112 tfp = NULL;
113 goto errout;
114 }
115 tfp = NULL;
116 /* delete the tempfile */
117 (void) unlink(tname);
118 if (fflush(mfp) != 0) {
119 goto errout;
120 }
121 if (fsync(fileno(mfp)) != 0) {
122 goto errout;
123 }
124 if (fclose(mfp) != 0) {
125 mfp = NULL;
126 goto errout;
127 }
128 mfp = NULL;
129 } else {
130 (void) mdsyserror(ep, errno, name);
131 goto errout;
132 }
133 }
134
135 /* success */
136 return (0);
137
138 /* cleanup, return error */
139 errout:
140 if (tfp != NULL) {
141 (void) fclose(tfp);
142 (void) unlink(tname);
143 }
144 if (mfp != NULL) {
145 (void) fclose(mfp);
146 }
147 return (-1);
148 }
149