1 /*
2  * Copyright (c)2004 The DragonFly Project.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  *   Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  *
11  *   Redistributions in binary form must reproduce the above copyright
12  *   notice, this list of conditions and the following disclaimer in
13  *   the documentation and/or other materials provided with the
14  *   distribution.
15  *
16  *   Neither the name of the DragonFly Project nor the names of its
17  *   contributors may be used to endorse or promote products derived
18  *   from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
31  * OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 /*
35  * fn_install.c
36  * Installer Function : Install OS Files.
37  * $Id: fn_install.c,v 1.74 2006/04/18 19:43:48 joerg Exp $
38  */
39 
40 #include <libgen.h>
41 #include <string.h>
42 
43 #define SOURCES_CONF_FILE "/usr/local/share/dfuibe_installer/sources.conf"
44 
45 #ifdef ENABLE_NLS
46 #include <libintl.h>
47 #define _(String) gettext (String)
48 #else
49 #define _(String) (String)
50 #endif
51 
52 #include "libaura/mem.h"
53 #include "libaura/buffer.h"
54 #include "libaura/fspred.h"
55 
56 #include "libdfui/dfui.h"
57 #include "libdfui/system.h"
58 
59 #include "libinstaller/commands.h"
60 #include "libinstaller/confed.h"
61 #include "libinstaller/diskutil.h"
62 #include "libinstaller/functions.h"
63 #include "libinstaller/uiutil.h"
64 
65 #include "flow.h"
66 #include "pathnames.h"
67 #include "fn.h"
68 
69 static const char *pfs_mountpt[8] = {"/var", "/tmp", "/usr", "/home",
70 	"/usr/obj", "/var/crash", "/var/tmp", NULL};
71 
72 static const int pfs_nohistory[8] = {0, 1, 0, 0, 1, 1, 1};
73 
74 static void
75 handle_pfs(struct i_fn_args *a, struct commands *cmds)
76 {
77 	int j;
78 
79 	/*
80 	 * Create PFS root directory.
81 	 */
82 	command_add(cmds, "%s%s -p %smnt/pfs",
83 	    a->os_root, cmd_name(a, "MKDIR"),
84 	    a->os_root);
85 
86 	for (j = 0; pfs_mountpt[j] != NULL; j++) {
87 		/*
88 		 * We have a PFS for a subdirectory, e.g. /var/crash, so we
89 		 * need to create /pfs/var.crash
90 		 */
91 		if (rindex(pfs_mountpt[j]+1, '/') != NULL) {
92 			command_add(cmds, "%s%s pfs-master %smnt/pfs%s.%s",
93 			    a->os_root, cmd_name(a, "HAMMER"),
94 			    a->os_root, dirname(pfs_mountpt[j]),
95 			    basename(pfs_mountpt[j]));
96 			command_add(cmds, "%s%s -p %smnt%s",
97 			    a->os_root, cmd_name(a, "MKDIR"),
98 			    a->os_root, pfs_mountpt[j]);
99 			command_add(cmds, "%s%s %smnt/pfs%s.%s %smnt%s",
100 			    a->os_root, cmd_name(a, "MOUNT_NULL"),
101 			    a->os_root, dirname(pfs_mountpt[j]),
102 			    basename(pfs_mountpt[j]),
103 			    a->os_root, pfs_mountpt[j]);
104 			if (pfs_nohistory[j] == 1)
105 				command_add(cmds, "%s%s nohistory %smnt%s",
106 				    a->os_root, cmd_name(a, "CHFLAGS"),
107 				    a->os_root, pfs_mountpt[j]);
108 		} else {
109 			command_add(cmds, "%s%s pfs-master %smnt/pfs%s",
110 			    a->os_root, cmd_name(a, "HAMMER"),
111 			    a->os_root, pfs_mountpt[j]);
112 			command_add(cmds, "%s%s -p %smnt%s",
113 			    a->os_root, cmd_name(a, "MKDIR"),
114 			    a->os_root, pfs_mountpt[j]);
115 			command_add(cmds, "%s%s %smnt/pfs%s %smnt%s",
116 			    a->os_root, cmd_name(a, "MOUNT_NULL"),
117 			    a->os_root, pfs_mountpt[j],
118 			    a->os_root, pfs_mountpt[j]);
119 		}
120 	}
121 }
122 
123 /*
124  * fn_install_os: actually put DragonFly on a disk.
125  */
126 void
127 fn_install_os(struct i_fn_args *a)
128 {
129 	struct subpartition *sp;
130 	struct commands *cmds;
131 	struct command *cmd;
132 	int i, seen_it, prefix, j;
133 	FILE *sources_conf;
134 	char line[256];
135 	char cp_src[64][256];
136 	char file_path[256];
137 	int lines = 0;
138 
139 	/*
140 	 * If SOURCES_CONF_FILE exists, lets read in and
141 	 * populate our copy sources.   If it does not exist
142 	 * simply set the list by hand.
143 	 */
144         if (!is_file("%s%s", a->os_root, SOURCES_CONF_FILE)) {
145 		i_log(a, "Using internal copy sources table.");
146 		strcpy(cp_src[0],"/COPYRIGHT");
147 		strcpy(cp_src[1],"/bin");
148 		strcpy(cp_src[2],"/boot");
149 		strcpy(cp_src[3],"/cdrom");
150 		strcpy(cp_src[4],"/dev");
151 		strcpy(cp_src[5],"/etc");
152 		strcpy(cp_src[6],"/root");
153 		strcpy(cp_src[7],"/sbin");
154 		strcpy(cp_src[8],"/sys");
155 		strcpy(cp_src[9],"/tmp");
156 		strcpy(cp_src[10],"/usr/Makefile");
157 		strcpy(cp_src[11],"/usr/bin");
158 		strcpy(cp_src[12],"/usr/games");
159 		strcpy(cp_src[13],"/usr/include");
160 		strcpy(cp_src[14],"/usr/lib");
161 		strcpy(cp_src[15],"/usr/libdata");
162 		strcpy(cp_src[16],"/usr/libexec");
163 		strcpy(cp_src[17],"/usr/local");
164 		strcpy(cp_src[18],"/usr/obj");
165 		strcpy(cp_src[19],"/usr/pkg");
166 		strcpy(cp_src[20],"/usr/sbin");
167 		strcpy(cp_src[21],"/usr/share");
168 		strcpy(cp_src[22],"/usr/src");
169 		strcpy(cp_src[23],"/var");
170 		strcpy(cp_src[24],"");
171 	} else {
172 		snprintf(file_path, 256, "%s%s", a->os_root, SOURCES_CONF_FILE);
173                 sources_conf = fopen(file_path, "r");
174 		i_log(a, "Reading %s%s", a->os_root, SOURCES_CONF_FILE);
175                 while(fgets(line, 256, sources_conf) != NULL && lines < 63) {
176 			if(strlen(line)>0)
177 				line[strlen(line)-1] = '\0';
178 			strlcpy(cp_src[lines], line, 256);
179 			i_log(a,"Adding %s to copy source table.", cp_src[lines]);
180 			lines++;
181                 }
182 		i_log(a,"Added %i total items to copy source table.", lines);
183 		strcpy(cp_src[lines], "");
184 		fclose(sources_conf);
185 	}
186 
187 	cmds = commands_new();
188 
189 	/*
190 	 * If swap isn't mounted yet, mount it.
191 	 */
192 	if (measure_activated_swap(a) == 0) {
193 		for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
194 		    sp != NULL; sp = subpartition_next(sp)) {
195 			if (!subpartition_is_swap(sp))
196 				continue;
197 			command_add(cmds, "%s%s %sdev/%s",
198 			    a->os_root,
199 			    cmd_name(a, "SWAPON"),
200 			    a->os_root,
201 			    subpartition_get_device_name(sp));
202 		}
203 	}
204 
205 	/*
206 	 * Unmount anything already mounted on /mnt.
207 	 */
208 	unmount_all_under(a, cmds, "%smnt", a->os_root);
209 
210 	for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
211 	     sp != NULL; sp = subpartition_next(sp)) {
212 		if (strcmp(subpartition_get_mountpoint(sp), "/") == 0) {
213 			command_add(cmds, "%s%s -p %smnt%s",
214 			    a->os_root, cmd_name(a, "MKDIR"),
215 			    a->os_root, subpartition_get_mountpoint(sp));
216 			if (use_hammer == 1) {
217 				command_add(cmds, "%s%s %sdev/%s %smnt%s",
218 				    a->os_root, cmd_name(a, "MOUNT_HAMMER"),
219 				    a->os_root,
220 				    subpartition_get_device_name(sp),
221 				    a->os_root,
222 				    subpartition_get_mountpoint(sp));
223 			} else {
224 				command_add(cmds, "%s%s %sdev/%s %smnt%s",
225 				    a->os_root, cmd_name(a, "MOUNT"),
226 				    a->os_root,
227 				    subpartition_get_device_name(sp),
228 				    a->os_root,
229 				    subpartition_get_mountpoint(sp));
230 			}
231 		}
232 	}
233 
234 	/*
235 	 * Create mount points and mount subpartitions on them.
236 	 */
237 	for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
238 	     sp != NULL; sp = subpartition_next(sp)) {
239 		if (subpartition_is_swap(sp)) {
240 			/*
241 			 * Set this subpartition as the dump device.
242 			 */
243 #ifdef AUTOMATICALLY_ENABLE_CRASH_DUMPS
244 			if (subpartition_get_capacity(sp) < storage_get_memsize(a->s))
245 				continue;
246 
247 			command_add(cmds, "%s%s -v %sdev/%s",
248 			    a->os_root, cmd_name(a, "DUMPON"),
249 			    a->os_root,
250 			    subpartition_get_device_name(sp));
251 
252 			asprintf(&string, "/dev/%s",
253 			    subpartition_get_device_name(sp));
254 			config_var_set(rc_conf, "dumpdev", string);
255 			free(string);
256 			config_var_set(rc_conf, "dumpdir", "/var/crash");
257 #endif
258 			continue;
259 		}
260 
261 		if (use_hammer == 0) {
262 			/* / is already mounted */
263 			if (strcmp(subpartition_get_mountpoint(sp), "/") != 0) {
264 				command_add(cmds, "%s%s -p %smnt%s",
265 				    a->os_root, cmd_name(a, "MKDIR"),
266 				    a->os_root,
267 				    subpartition_get_mountpoint(sp));
268 				/* Don't mount it if it's MFS-backed. */
269 				if (subpartition_is_mfsbacked(sp))
270 					continue;
271 				command_add(cmds, "%s%s %sdev/%s %smnt%s",
272 				    a->os_root, cmd_name(a, "MOUNT"),
273 				    a->os_root,
274 				    subpartition_get_device_name(sp),
275 				    a->os_root,
276 				    subpartition_get_mountpoint(sp));
277 			}
278 		}
279 	}
280 
281 	/*
282 	 * Take care of HAMMER PFS.
283 	 */
284 	if (use_hammer == 1)
285 		handle_pfs(a, cmds);
286 
287 	/*
288 	 * Actually copy files now.
289 	 */
290 
291 	for (i = 0; cp_src[i] != NULL && cp_src[i][0] != '\0'; i++) {
292 		char *src, *dest, *dn, *tmp_dest;
293 
294 		dest = cp_src[i];
295 
296 		/*
297 		 * If dest would be on an MFS-backed
298 		 * mountpoint, don't bother copying it.
299 		 */
300 		sp = subpartition_of(storage_get_selected_slice(a->s),
301 				     "%s%s", a->os_root, &dest[1]);
302 		if (sp != NULL && subpartition_is_mfsbacked(sp)) {
303 			continue;
304 		}
305 
306 		/*
307 		 * Create intermediate directories, if needed.
308 		 */
309 		tmp_dest = aura_strdup(dest);
310 		dn = dirname(tmp_dest);
311 		if (is_dir("%s%s", a->os_root, &dn[1]) &&
312 		    !is_dir("%smnt%s", a->os_root, dn)) {
313 			command_add(cmds, "%s%s -p %smnt%s",
314 			    a->os_root, cmd_name(a, "MKDIR"),
315 			    a->os_root, dn);
316 		}
317 		aura_free(tmp_dest, "directory name");
318 
319 		/*
320 		 * If a directory by the same name but with the suffix
321 		 * ".hdd" exists on the installation media, cpdup that
322 		 * instead.  This is particularly useful with /etc, which
323 		 * may have significantly different behaviour on the
324 		 * live CD compared to a standard HDD boot.
325 		 */
326 		if (is_dir("%s%s.hdd", a->os_root, &dest[1]))
327 			asprintf(&src, "%s.hdd", &dest[1]);
328 		else
329 			asprintf(&src, "%s", &dest[1]);
330 
331 		if (is_dir("%s%s", a->os_root, src) || is_file("%s%s", a->os_root, src)) {
332 			/*
333 			 * Cpdup the chosen file or directory onto the HDD.
334 			 * if it exists on the source.
335 			 */
336 			cmd = command_add(cmds, "%s%s %s%s %smnt%s",
337 			    a->os_root, cmd_name(a, "CPDUP"),
338 			    a->os_root, src,
339 			    a->os_root, dest);
340 			command_set_log_mode(cmd, COMMAND_LOG_QUIET);
341 		}
342 	}
343 
344 	/*
345 	 * Now, because cpdup does not cross mount points,
346 	 * we must copy anything that the user might've made a
347 	 * seperate mount point for (e.g. /usr/libdata/lint.)
348 	 */
349 	for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
350 	     sp != NULL; sp = subpartition_next(sp)) {
351 		/*
352 		 * If the subpartition is a swap subpartition or an
353 		 * MFS-backed mountpoint, don't try to copy anything
354 		 * into it.
355 		 */
356 		if (subpartition_is_swap(sp) || subpartition_is_mfsbacked(sp))
357 			continue;
358 
359 		/*
360 		 * If the mountpoint doesn't even exist on the installation
361 		 * medium, don't try to copy anything from it!  We assume
362 		 * it's an empty subpartition for the user's needs.
363 		 */
364 		if (!is_dir("%s%s", a->os_root, &subpartition_get_mountpoint(sp)[1]))
365 			continue;
366 
367 		/*
368 		 * Don't bother copying the mountpoint IF:
369 		 * - we've already said to copy it, or something besides it
370 		 *   (it's a prefix of something in cp_src); or
371 		 * - we haven't said to copy it
372 		 *   (nothing in cp_src is a prefix of it.)
373 		 */
374 		seen_it = 0;
375 		prefix = 0;
376 		for (i = 0; cp_src[i] != NULL && cp_src[i][0] != '\0'; i++) {
377 			if (strncmp(subpartition_get_mountpoint(sp), cp_src[i],
378 			    strlen(subpartition_get_mountpoint(sp))) == 0) {
379 				seen_it = 1;
380 				break;
381 			}
382 			if (strncmp(cp_src[i], subpartition_get_mountpoint(sp),
383 			    strlen(cp_src[i])) == 0) {
384 				prefix = 1;
385 			}
386 		}
387 		if (seen_it || !prefix)
388 			continue;
389 
390 		/*
391 		 * Otherwise, cpdup the subpartition.
392 		 *
393 		 * XXX check for .hdd-extended source dirs here, too,
394 		 * eventually - but for now, /etc.hdd will never be
395 		 * the kind of tricky sub-mount-within-a-mount-point
396 		 * that this part of the code is meant to handle.
397 		 */
398 		cmd = command_add(cmds, "%s%s %s%s %smnt%s",
399 		    a->os_root, cmd_name(a, "CPDUP"),
400 		    a->os_root, &subpartition_get_mountpoint(sp)[1],
401 		    a->os_root, subpartition_get_mountpoint(sp));
402 		command_set_log_mode(cmd, COMMAND_LOG_QUIET);
403 	}
404 
405 	/*
406 	 * Create symlinks.
407 	 */
408 
409 	/*
410 	 * If the user has both /var and /tmp subpartitions,
411 	 * symlink /var/tmp to /tmp.
412 	 */
413 	if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") != NULL &&
414 	    subpartition_find(storage_get_selected_slice(a->s), "/var") != NULL) {
415 		command_add(cmds, "%s%s 1777 %smnt/tmp",
416 		    a->os_root, cmd_name(a, "CHMOD"), a->os_root);
417 		command_add(cmds, "%s%s -rf %smnt/var/tmp",
418 		    a->os_root, cmd_name(a, "RM"), a->os_root);
419 		command_add(cmds, "%s%s -s /tmp %smnt/var/tmp",
420 		    a->os_root, cmd_name(a, "LN"), a->os_root);
421 	}
422 
423 	/*
424 	 * If the user has /var, but no /tmp,
425 	 * symlink /tmp to /var/tmp.
426 	 */
427 	if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") == NULL &&
428 	    subpartition_find(storage_get_selected_slice(a->s), "/var") != NULL) {
429 		command_add(cmds, "%s%s -rf %smnt/tmp",
430 		    a->os_root, cmd_name(a, "RM"), a->os_root);
431 		command_add(cmds, "%s%s -s /var/tmp %smnt/tmp",
432 		    a->os_root, cmd_name(a, "LN"), a->os_root);
433 	}
434 
435 	/*
436 	 * If the user has /usr, but no /home,
437 	 * symlink /home to /usr/home.
438 	 */
439 	if (subpartition_find(storage_get_selected_slice(a->s), "/home") == NULL &&
440 	    subpartition_find(storage_get_selected_slice(a->s), "/usr") != NULL) {
441 		command_add(cmds, "%s%s -rf %smnt/home",
442 		    a->os_root, cmd_name(a, "RM"), a->os_root);
443 		command_add(cmds, "%s%s %smnt/usr/home",
444 		    a->os_root, cmd_name(a, "MKDIR"), a->os_root);
445 		command_add(cmds, "%s%s -s /usr/home %smnt/home",
446 		    a->os_root, cmd_name(a, "LN"), a->os_root);
447 	}
448 
449 	/*
450 	 * XXX check for other possible combinations too?
451 	 */
452 
453 	/*
454 	 * Clean up.  In case some file didn't make it, use rm -f
455 	 */
456 	command_add(cmds, "%s%s -f %smnt/boot/loader.conf",
457 	    a->os_root, cmd_name(a, "RM"), a->os_root);
458 	command_add(cmds, "%s%s -f %smnt/tmp/install.log",
459 	    a->os_root, cmd_name(a, "RM"), a->os_root);
460 
461 	/*
462 	 * Copy pristine versions over any files we might have installed.
463 	 * This allows the resulting file tree to be customized.
464 	 */
465 	for (i = 0; cp_src[i] != NULL && cp_src[i][0] != '\0'; i++) {
466 		char *src, *dest, *dn, *tmp_dest;
467 
468 		src = cp_src[i];
469 		dest = cp_src[i];
470 
471 		/*
472 		 * Get the directory that the desired thing to
473 		 * copy resides in.
474 		 */
475 		tmp_dest = aura_strdup(dest);
476 		dn = dirname(tmp_dest);
477 
478 		/*
479 		 * If this dir doesn't exist in PRISTINE_DIR
480 		 * on the install media, just skip it.
481 		 */
482 		if (!is_dir("%s%s%s", a->os_root, PRISTINE_DIR, dn)) {
483 			aura_free(tmp_dest, _("directory name"));
484 			continue;
485 		}
486 
487 		/*
488 		 * Create intermediate directories, if needed.
489 		 */
490 		if (!is_dir("%smnt%s", a->os_root, dn)) {
491 			command_add(cmds, "%s%s -p %smnt%s",
492 			    a->os_root, cmd_name(a, "MKDIR"),
493 			    a->os_root, dn);
494 		}
495 		aura_free(tmp_dest, "directory name");
496 
497 		/*
498 		 * Cpdup the chosen file or directory onto the HDD.
499 		 */
500 		cmd = command_add(cmds, "%s%s %s%s %smnt%s",
501 		    a->os_root, cmd_name(a, "CPDUP"),
502 		    a->os_root, src,
503 		    a->os_root, dest);
504 
505 		cmd = command_add(cmds,
506 		    "%s%s %s%s%s %smnt%s",
507 		    a->os_root, cmd_name(a, "CPDUP"),
508 		    a->os_root, PRISTINE_DIR, src,
509 		    a->os_root, dest);
510 		command_set_log_mode(cmd, COMMAND_LOG_QUIET);
511 	}
512 
513 	/*
514 	 * Rebuild the user database, to get rid of any extra users
515 	 * from the LiveCD that aren't supposed to be installed
516 	 * (copying a pristine master.passwd isn't enough.)
517 	 */
518 	command_add(cmds, "%s%s -p -d %smnt/etc %smnt/etc/master.passwd",
519 	    a->os_root, cmd_name(a, "PWD_MKDB"), a->os_root, a->os_root);
520 
521 	/* Create missing directories. */
522 	command_add(cmds, "%s%s %smnt/proc",
523 	    a->os_root, cmd_name(a, "MKDIR"), a->os_root);
524 	command_add(cmds, "%s%s %smnt/mnt",
525 	    a->os_root, cmd_name(a, "MKDIR"), a->os_root);
526 
527 	/* Write new fstab. */
528 
529 	command_add(cmds, "%s%s '%s' >%smnt/etc/fstab",
530 	    a->os_root, cmd_name(a, "ECHO"),
531 	    "# Device\t\tMountpoint\tFStype\tOptions\t\tDump\tPass#",
532 	    a->os_root);
533 
534 	for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
535 	     sp != NULL; sp = subpartition_next(sp)) {
536 		if (strcmp(subpartition_get_mountpoint(sp), "swap") == 0) {
537 			command_add(cmds, "%s%s '/dev/%s\t\tnone\t\tswap\tsw\t\t0\t0' >>%smnt/etc/fstab",
538 			    a->os_root, cmd_name(a, "ECHO"),
539 			    subpartition_get_device_name(sp),
540 			    a->os_root);
541 		} else if (use_hammer == 0) {
542 			if (strcmp(subpartition_get_mountpoint(sp), "/") == 0) {
543 				command_add(cmds, "%s%s '/dev/%s\t\t%s\t\tufs\trw\t\t1\t1' >>%smnt/etc/fstab",
544 				    a->os_root, cmd_name(a, "ECHO"),
545 				    subpartition_get_device_name(sp),
546 				    subpartition_get_mountpoint(sp),
547 				    a->os_root);
548 			} else if (subpartition_is_mfsbacked(sp)) {
549 				command_add(cmds, "%s%s 'swap\t\t%s\t\t\tmfs\trw,-s%lu,-b%lu,-f%lu\t\t1\t1' >>%smnt/etc/fstab",
550 					a->os_root, cmd_name(a, "ECHO"),
551 					subpartition_get_mountpoint(sp),
552 					subpartition_get_capacity(sp) * 2048,
553 					subpartition_get_bsize(sp),
554 					subpartition_get_fsize(sp),
555 					a->os_root);
556 			} else {
557 				command_add(cmds, "%s%s '/dev/%s\t\t%s\t\tufs\trw\t\t2\t2' >>%smnt/etc/fstab",
558 				    a->os_root, cmd_name(a, "ECHO"),
559 				    subpartition_get_device_name(sp),
560 				    subpartition_get_mountpoint(sp),
561 				    a->os_root);
562 			}
563 		} else {
564 			if (strcmp(subpartition_get_mountpoint(sp), "/") == 0) {
565 				command_add(cmds, "%s%s '/dev/%s\t\t%s\t\thammer\trw\t\t1\t1' >>%smnt/etc/fstab",
566 				    a->os_root, cmd_name(a, "ECHO"),
567 				    subpartition_get_device_name(sp),
568 				    subpartition_get_mountpoint(sp),
569 				    a->os_root);
570 			} else if (strcmp(subpartition_get_mountpoint(sp), "/boot") == 0) {
571 				command_add(cmds, "%s%s '/dev/%s\t\t%s\t\tufs\trw\t\t1\t1' >>%smnt/etc/fstab",
572 				    a->os_root, cmd_name(a, "ECHO"),
573 				    subpartition_get_device_name(sp),
574 				    subpartition_get_mountpoint(sp),
575 				    a->os_root);
576 			}
577 		}
578 	}
579 
580 	/*
581 	 * Take care of HAMMER PFS null mounts.
582 	 */
583 	if (use_hammer == 1) {
584 		for (j = 0; pfs_mountpt[j] != NULL; j++) {
585 			if (rindex(pfs_mountpt[j]+1, '/') != NULL)
586 				command_add(cmds, "%s%s '/pfs%s.%s\t%s\t\tnull\trw\t\t0\t0' >>%smnt/etc/fstab",
587 				    a->os_root, cmd_name(a, "ECHO"),
588 				    dirname(pfs_mountpt[j]),
589 				    basename(pfs_mountpt[j]),
590 				    pfs_mountpt[j],
591 				    a->os_root);
592 			else
593 				command_add(cmds, "%s%s '/pfs%s\t\t%s\t\tnull\trw\t\t0\t0' >>%smnt/etc/fstab",
594 				    a->os_root, cmd_name(a, "ECHO"),
595 				    pfs_mountpt[j],
596 				    pfs_mountpt[j],
597 				    a->os_root);
598 		}
599 	}
600 
601 	command_add(cmds, "%s%s '%s' >>%smnt/etc/fstab",
602 	    a->os_root, cmd_name(a, "ECHO"),
603 	    "proc\t\t\t/proc\t\tprocfs\trw\t\t0\t0",
604 	    a->os_root);
605 
606 	/* Backup the disklabel and the log. */
607 	if (use_hammer == 0) {
608 		command_add(cmds, "%s%s %s > %smnt/etc/disklabel.%s",
609 		    a->os_root, cmd_name(a, "DISKLABEL"),
610 		    slice_get_device_name(storage_get_selected_slice(a->s)),
611 		    a->os_root,
612 		    slice_get_device_name(storage_get_selected_slice(a->s)));
613 	} else {
614 		command_add(cmds, "%s%s %s > %smnt/etc/disklabel.%s",
615 		    a->os_root, cmd_name(a, "DISKLABEL64"),
616 		    slice_get_device_name(storage_get_selected_slice(a->s)),
617 		    a->os_root,
618 		    slice_get_device_name(storage_get_selected_slice(a->s)));
619 	}
620 
621 	command_add(cmds, "%s%s %sinstall.log %smnt/var/log/install.log",
622 	    a->os_root, cmd_name(a, "CP"),
623 	    a->tmp, a->os_root);
624 	command_add(cmds, "%s%s 600 %smnt/var/log/install.log",
625 	    a->os_root, cmd_name(a, "CHMOD"), a->os_root);
626 
627 	/* Customize stuff here */
628 	if(is_file("%susr/local/bin/after_installation_routines.sh")) {
629 		command_add(cmds, "%susr/local/bin/after_installation_routines.sh",
630 		a->os_root, _("Running after installation custom routines..."));
631 	}
632 
633 	/*
634 	 * Do it!
635 	 */
636 	/* commands_preview(cmds); */
637 	if (!commands_execute(a, cmds)) {
638 		inform(a->c, _("%s was not fully installed."), OPERATING_SYSTEM_NAME);
639 		a->result = 0;
640 	} else {
641 		a->result = 1;
642 	}
643 	commands_free(cmds);
644 
645 	/*
646 	 * Unmount everything we mounted on /mnt.  This is done in a seperate
647 	 * command chain, so that partitions are unmounted, even if an error
648 	 * occurs in one of the preceding commands, or it is cancelled.
649 	 */
650 	cmds = commands_new();
651 	unmount_all_under(a, cmds, "%smnt", a->os_root);
652 
653 	/*
654 	 * Once everything is unmounted, if the install went successfully,
655 	 * make sure once and for all that the disklabel is bootable.
656 	 */
657 	if (a->result) {
658 		if (use_hammer == 0) {
659 			command_add(cmds, "%s%s -B %s",
660 			    a->os_root, cmd_name(a, "DISKLABEL"),
661 			    slice_get_device_name(storage_get_selected_slice(a->s)));
662 		} else {
663 			command_add(cmds, "%s%s -B %s",
664 			    a->os_root, cmd_name(a, "DISKLABEL64"),
665 			    slice_get_device_name(storage_get_selected_slice(a->s)));
666 		}
667 	}
668 
669 	if (!commands_execute(a, cmds))
670 		inform(a->c, _("Warning: subpartitions were not correctly unmounted."));
671 
672 	commands_free(cmds);
673 }
674