1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate * Just in case we're not in a build environment, make sure that
31*0Sstevel@tonic-gate * TEXT_DOMAIN gets set to something.
32*0Sstevel@tonic-gate */
33*0Sstevel@tonic-gate #if !defined(TEXT_DOMAIN)
34*0Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST"
35*0Sstevel@tonic-gate #endif
36*0Sstevel@tonic-gate
37*0Sstevel@tonic-gate /*
38*0Sstevel@tonic-gate * patch /etc/vfstab file
39*0Sstevel@tonic-gate */
40*0Sstevel@tonic-gate #include <meta.h>
41*0Sstevel@tonic-gate #include <string.h>
42*0Sstevel@tonic-gate
43*0Sstevel@tonic-gate /*
44*0Sstevel@tonic-gate * patch filesystem lines into vfstab file, return tempfilename
45*0Sstevel@tonic-gate */
46*0Sstevel@tonic-gate int
meta_patch_vfstab(char * cmpname,mdname_t * fsnp,char * vname,char * old_bdevname,int doit,int verbose,char ** tname,md_error_t * ep)47*0Sstevel@tonic-gate meta_patch_vfstab(
48*0Sstevel@tonic-gate char *cmpname, /* filesystem mount point or */
49*0Sstevel@tonic-gate /* "swap" if updating swap partition */
50*0Sstevel@tonic-gate mdname_t *fsnp, /* filesystem device name */
51*0Sstevel@tonic-gate char *vname, /* vfstab file name */
52*0Sstevel@tonic-gate char *old_bdevname, /* old name of block device, needed */
53*0Sstevel@tonic-gate /* for deciding which of multiple */
54*0Sstevel@tonic-gate /* swap file entries to change */
55*0Sstevel@tonic-gate /* if NULL then not changing swap */
56*0Sstevel@tonic-gate int doit, /* really patch file */
57*0Sstevel@tonic-gate int verbose, /* show what we're doing */
58*0Sstevel@tonic-gate char **tname, /* returned temp file name */
59*0Sstevel@tonic-gate md_error_t *ep /* returned error */
60*0Sstevel@tonic-gate )
61*0Sstevel@tonic-gate {
62*0Sstevel@tonic-gate char *chrname = fsnp->rname;
63*0Sstevel@tonic-gate char *blkname = fsnp->bname;
64*0Sstevel@tonic-gate FILE *fp = NULL;
65*0Sstevel@tonic-gate FILE *tfp = NULL;
66*0Sstevel@tonic-gate struct stat sbuf;
67*0Sstevel@tonic-gate char buf[512];
68*0Sstevel@tonic-gate char cdev[512];
69*0Sstevel@tonic-gate char bdev[512];
70*0Sstevel@tonic-gate char mntpt[512];
71*0Sstevel@tonic-gate char fstype[512];
72*0Sstevel@tonic-gate char fsckpass[512];
73*0Sstevel@tonic-gate char mntboot[512];
74*0Sstevel@tonic-gate char mntopt[512];
75*0Sstevel@tonic-gate int gotfs = 0;
76*0Sstevel@tonic-gate char *cmpstr = &mntpt[0]; /* compare against mntpnt if fs, */
77*0Sstevel@tonic-gate /* or fstype if swap */
78*0Sstevel@tonic-gate char *char_device = chrname;
79*0Sstevel@tonic-gate
80*0Sstevel@tonic-gate /* check names */
81*0Sstevel@tonic-gate assert(vname != NULL);
82*0Sstevel@tonic-gate assert(tname != NULL);
83*0Sstevel@tonic-gate
84*0Sstevel@tonic-gate /* get temp names */
85*0Sstevel@tonic-gate *tname = NULL;
86*0Sstevel@tonic-gate *tname = Malloc(strlen(vname) + strlen(".tmp") + 1);
87*0Sstevel@tonic-gate (void) strcpy(*tname, vname);
88*0Sstevel@tonic-gate (void) strcat(*tname, ".tmp");
89*0Sstevel@tonic-gate
90*0Sstevel@tonic-gate /* check if going to update swap entry in file */
91*0Sstevel@tonic-gate /* if so then compare against file system type */
92*0Sstevel@tonic-gate if ((old_bdevname != NULL) && (strcmp("swap", cmpname) == 0)) {
93*0Sstevel@tonic-gate cmpstr = &fstype[0];
94*0Sstevel@tonic-gate char_device = &cdev[0];
95*0Sstevel@tonic-gate }
96*0Sstevel@tonic-gate
97*0Sstevel@tonic-gate /* copy vfstab file, replace filesystem line */
98*0Sstevel@tonic-gate if ((fp = fopen(vname, "r")) == NULL) {
99*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, vname);
100*0Sstevel@tonic-gate goto out;
101*0Sstevel@tonic-gate }
102*0Sstevel@tonic-gate if (fstat(fileno(fp), &sbuf) != 0) {
103*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, vname);
104*0Sstevel@tonic-gate goto out;
105*0Sstevel@tonic-gate }
106*0Sstevel@tonic-gate if (doit) {
107*0Sstevel@tonic-gate if ((tfp = fopen(*tname, "w")) == NULL) {
108*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, *tname);
109*0Sstevel@tonic-gate goto out;
110*0Sstevel@tonic-gate }
111*0Sstevel@tonic-gate if (fchmod(fileno(tfp), (sbuf.st_mode & 0777)) != 0) {
112*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, *tname);
113*0Sstevel@tonic-gate goto out;
114*0Sstevel@tonic-gate }
115*0Sstevel@tonic-gate if (fchown(fileno(tfp), sbuf.st_uid, sbuf.st_gid) != 0) {
116*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, *tname);
117*0Sstevel@tonic-gate goto out;
118*0Sstevel@tonic-gate }
119*0Sstevel@tonic-gate }
120*0Sstevel@tonic-gate while (fgets(buf, sizeof (buf), fp) != NULL) {
121*0Sstevel@tonic-gate
122*0Sstevel@tonic-gate /* check that have all required params from vfstab file */
123*0Sstevel@tonic-gate /* or that the line isnt a comment */
124*0Sstevel@tonic-gate /* or that the fstype/mntpoint match what was passed in */
125*0Sstevel@tonic-gate /* or that the block device matches if changing swap */
126*0Sstevel@tonic-gate /* the last check is needed since there may be multiple */
127*0Sstevel@tonic-gate /* entries of swap in the file, and so the fstype is not */
128*0Sstevel@tonic-gate /* a sufficient check */
129*0Sstevel@tonic-gate if ((sscanf(buf, "%512s %512s %512s %512s %512s %512s %512s",
130*0Sstevel@tonic-gate bdev, cdev, mntpt, fstype, fsckpass,
131*0Sstevel@tonic-gate mntboot, mntopt) != 7) ||
132*0Sstevel@tonic-gate (bdev[0] == '#') || (strcmp(cmpstr, cmpname) != 0) ||
133*0Sstevel@tonic-gate ((old_bdevname != NULL) &&
134*0Sstevel@tonic-gate (strstr(bdev, old_bdevname) == NULL))) {
135*0Sstevel@tonic-gate if (doit) {
136*0Sstevel@tonic-gate if (fputs(buf, tfp) == EOF) {
137*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, *tname);
138*0Sstevel@tonic-gate goto out;
139*0Sstevel@tonic-gate }
140*0Sstevel@tonic-gate }
141*0Sstevel@tonic-gate continue;
142*0Sstevel@tonic-gate }
143*0Sstevel@tonic-gate
144*0Sstevel@tonic-gate if (verbose) {
145*0Sstevel@tonic-gate (void) printf(dgettext(TEXT_DOMAIN,
146*0Sstevel@tonic-gate "Delete the following line from %s:\n\n"),
147*0Sstevel@tonic-gate vname);
148*0Sstevel@tonic-gate (void) printf("%s\n", buf);
149*0Sstevel@tonic-gate (void) printf(
150*0Sstevel@tonic-gate dgettext(TEXT_DOMAIN,
151*0Sstevel@tonic-gate "Add the following line to %s:\n\n"),
152*0Sstevel@tonic-gate vname);
153*0Sstevel@tonic-gate (void) printf("%s\t%s\t%s\t%s\t%s\t%s\t%s\n\n",
154*0Sstevel@tonic-gate blkname, char_device, mntpt, fstype, fsckpass,
155*0Sstevel@tonic-gate mntboot, mntopt);
156*0Sstevel@tonic-gate }
157*0Sstevel@tonic-gate if (doit) {
158*0Sstevel@tonic-gate if (fprintf(tfp, "%s\t%s\t%s\t%s\t%s\t%s\t%s\n",
159*0Sstevel@tonic-gate blkname, char_device, mntpt, fstype, fsckpass,
160*0Sstevel@tonic-gate mntboot, mntopt) == EOF) {
161*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, *tname);
162*0Sstevel@tonic-gate goto out;
163*0Sstevel@tonic-gate }
164*0Sstevel@tonic-gate }
165*0Sstevel@tonic-gate
166*0Sstevel@tonic-gate
167*0Sstevel@tonic-gate gotfs = 1;
168*0Sstevel@tonic-gate }
169*0Sstevel@tonic-gate if (! feof(fp)) {
170*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, vname);
171*0Sstevel@tonic-gate goto out;
172*0Sstevel@tonic-gate }
173*0Sstevel@tonic-gate if (! gotfs) {
174*0Sstevel@tonic-gate (void) mderror(ep, MDE_VFSTAB_FILE, vname);
175*0Sstevel@tonic-gate goto out;
176*0Sstevel@tonic-gate }
177*0Sstevel@tonic-gate if (fclose(fp) != 0) {
178*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, vname);
179*0Sstevel@tonic-gate goto out;
180*0Sstevel@tonic-gate }
181*0Sstevel@tonic-gate fp = NULL;
182*0Sstevel@tonic-gate if (doit) {
183*0Sstevel@tonic-gate if ((fflush(tfp) != 0) ||
184*0Sstevel@tonic-gate (fsync(fileno(tfp)) != 0) ||
185*0Sstevel@tonic-gate (fclose(tfp) != 0)) {
186*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, *tname);
187*0Sstevel@tonic-gate goto out;
188*0Sstevel@tonic-gate }
189*0Sstevel@tonic-gate tfp = NULL;
190*0Sstevel@tonic-gate }
191*0Sstevel@tonic-gate
192*0Sstevel@tonic-gate /* return success */
193*0Sstevel@tonic-gate return (0);
194*0Sstevel@tonic-gate
195*0Sstevel@tonic-gate /* cleanup, return error */
196*0Sstevel@tonic-gate out:
197*0Sstevel@tonic-gate if (fp != NULL)
198*0Sstevel@tonic-gate (void) fclose(fp);
199*0Sstevel@tonic-gate if (tfp != NULL)
200*0Sstevel@tonic-gate (void) fclose(tfp);
201*0Sstevel@tonic-gate if (*tname != NULL) {
202*0Sstevel@tonic-gate (void) unlink(*tname);
203*0Sstevel@tonic-gate Free(*tname);
204*0Sstevel@tonic-gate }
205*0Sstevel@tonic-gate return (-1);
206*0Sstevel@tonic-gate }
207*0Sstevel@tonic-gate
208*0Sstevel@tonic-gate
209*0Sstevel@tonic-gate /*
210*0Sstevel@tonic-gate * set filesystem device name in vfstab
211*0Sstevel@tonic-gate */
212*0Sstevel@tonic-gate int
meta_patch_fsdev(char * fsname,mdname_t * fsnp,char * vname,md_error_t * ep)213*0Sstevel@tonic-gate meta_patch_fsdev(
214*0Sstevel@tonic-gate char *fsname, /* filesystem mount point */
215*0Sstevel@tonic-gate mdname_t *fsnp, /* filesystem device */
216*0Sstevel@tonic-gate char *vname, /* vfstab file name */
217*0Sstevel@tonic-gate md_error_t *ep /* returned error */
218*0Sstevel@tonic-gate )
219*0Sstevel@tonic-gate {
220*0Sstevel@tonic-gate int doit = 1;
221*0Sstevel@tonic-gate int verbose = 0;
222*0Sstevel@tonic-gate char *tvname = NULL;
223*0Sstevel@tonic-gate int rval = -1;
224*0Sstevel@tonic-gate
225*0Sstevel@tonic-gate /* check names */
226*0Sstevel@tonic-gate assert(fsname != NULL);
227*0Sstevel@tonic-gate if (vname == NULL)
228*0Sstevel@tonic-gate vname = "/etc/vfstab";
229*0Sstevel@tonic-gate
230*0Sstevel@tonic-gate /* replace lines in vfstab */
231*0Sstevel@tonic-gate if (meta_patch_vfstab(fsname, fsnp, vname, NULL, doit, verbose, &tvname,
232*0Sstevel@tonic-gate ep) != 0) {
233*0Sstevel@tonic-gate goto out;
234*0Sstevel@tonic-gate }
235*0Sstevel@tonic-gate
236*0Sstevel@tonic-gate /* rename temp file on top of real one */
237*0Sstevel@tonic-gate if (rename(tvname, vname) != 0) {
238*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, vname);
239*0Sstevel@tonic-gate goto out;
240*0Sstevel@tonic-gate }
241*0Sstevel@tonic-gate Free(tvname);
242*0Sstevel@tonic-gate tvname = NULL;
243*0Sstevel@tonic-gate rval = 0;
244*0Sstevel@tonic-gate
245*0Sstevel@tonic-gate /* cleanup, return error */
246*0Sstevel@tonic-gate out:
247*0Sstevel@tonic-gate if (tvname != NULL) {
248*0Sstevel@tonic-gate if (doit)
249*0Sstevel@tonic-gate (void) unlink(tvname);
250*0Sstevel@tonic-gate Free(tvname);
251*0Sstevel@tonic-gate }
252*0Sstevel@tonic-gate return (rval);
253*0Sstevel@tonic-gate }
254*0Sstevel@tonic-gate
255*0Sstevel@tonic-gate
256*0Sstevel@tonic-gate /*
257*0Sstevel@tonic-gate * set filesystem device name in vfstab
258*0Sstevel@tonic-gate */
259*0Sstevel@tonic-gate int
meta_patch_swapdev(mdname_t * fsnp,char * vname,char * old_bdevname,md_error_t * ep)260*0Sstevel@tonic-gate meta_patch_swapdev(
261*0Sstevel@tonic-gate mdname_t *fsnp, /* filesystem device */
262*0Sstevel@tonic-gate char *vname, /* vfstab file name */
263*0Sstevel@tonic-gate char *old_bdevname, /* block device name to change */
264*0Sstevel@tonic-gate md_error_t *ep /* returned error */
265*0Sstevel@tonic-gate )
266*0Sstevel@tonic-gate {
267*0Sstevel@tonic-gate int doit = 1;
268*0Sstevel@tonic-gate int verbose = 0;
269*0Sstevel@tonic-gate char *tvname = NULL;
270*0Sstevel@tonic-gate int rval = -1;
271*0Sstevel@tonic-gate
272*0Sstevel@tonic-gate /* check names */
273*0Sstevel@tonic-gate if (vname == NULL)
274*0Sstevel@tonic-gate vname = "/etc/vfstab";
275*0Sstevel@tonic-gate
276*0Sstevel@tonic-gate /* replace lines in vfstab */
277*0Sstevel@tonic-gate if (meta_patch_vfstab("swap", fsnp, vname, old_bdevname, doit,
278*0Sstevel@tonic-gate verbose, &tvname, ep) != 0) {
279*0Sstevel@tonic-gate goto out;
280*0Sstevel@tonic-gate }
281*0Sstevel@tonic-gate
282*0Sstevel@tonic-gate /* rename temp file on top of real one */
283*0Sstevel@tonic-gate if (rename(tvname, vname) != 0) {
284*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, vname);
285*0Sstevel@tonic-gate goto out;
286*0Sstevel@tonic-gate }
287*0Sstevel@tonic-gate Free(tvname);
288*0Sstevel@tonic-gate tvname = NULL;
289*0Sstevel@tonic-gate rval = 0;
290*0Sstevel@tonic-gate
291*0Sstevel@tonic-gate /* cleanup, return error */
292*0Sstevel@tonic-gate out:
293*0Sstevel@tonic-gate if (tvname != NULL) {
294*0Sstevel@tonic-gate if (doit)
295*0Sstevel@tonic-gate (void) unlink(tvname);
296*0Sstevel@tonic-gate Free(tvname);
297*0Sstevel@tonic-gate }
298*0Sstevel@tonic-gate return (rval);
299*0Sstevel@tonic-gate }
300