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 		} else {
105 			command_add(cmds, "%s%s pfs-master %smnt/pfs%s",
106 			    a->os_root, cmd_name(a, "HAMMER"),
107 			    a->os_root, pfs_mountpt[j]);
108 			command_add(cmds, "%s%s -p %smnt%s",
109 			    a->os_root, cmd_name(a, "MKDIR"),
110 			    a->os_root, pfs_mountpt[j]);
111 			command_add(cmds, "%s%s %smnt/pfs%s %smnt%s",
112 			    a->os_root, cmd_name(a, "MOUNT_NULL"),
113 			    a->os_root, pfs_mountpt[j],
114 			    a->os_root, pfs_mountpt[j]);
115 		}
116 	}
117 }
118 
119 /*
120  * fn_install_os: actually put DragonFly on a disk.
121  */
122 void
123 fn_install_os(struct i_fn_args *a)
124 {
125 	struct disk *d;
126 	struct subpartition *sp;
127 	struct commands *cmds;
128 	struct command *cmd;
129 	int i, seen_it, prefix, j;
130 	FILE *sources_conf;
131 	char line[256];
132 	char cp_src[64][256];
133 	char file_path[256];
134 	char *string;
135 	int lines = 0;
136 
137 	/*
138 	 * If SOURCES_CONF_FILE exists, lets read in and
139 	 * populate our copy sources.   If it does not exist
140 	 * simply set the list by hand.
141 	 */
142         if (!is_file("%s%s", a->os_root, SOURCES_CONF_FILE)) {
143 		i_log(a, "Using internal copy sources table.");
144 		strcpy(cp_src[0],"/COPYRIGHT");
145 		strcpy(cp_src[1],"/bin");
146 		strcpy(cp_src[2],"/boot");
147 		strcpy(cp_src[3],"/cdrom");
148 		strcpy(cp_src[4],"/dev");
149 		strcpy(cp_src[5],"/etc");
150 		strcpy(cp_src[6],"/root");
151 		strcpy(cp_src[7],"/sbin");
152 		strcpy(cp_src[9],"/tmp");
153 		strcpy(cp_src[10],"/usr/Makefile");
154 		strcpy(cp_src[11],"/usr/bin");
155 		strcpy(cp_src[12],"/usr/games");
156 		strcpy(cp_src[13],"/usr/include");
157 		strcpy(cp_src[14],"/usr/lib");
158 		strcpy(cp_src[15],"/usr/libdata");
159 		strcpy(cp_src[16],"/usr/libexec");
160 		strcpy(cp_src[17],"/usr/local");
161 		strcpy(cp_src[18],"/usr/obj");
162 		strcpy(cp_src[19],"/usr/pkg");
163 		strcpy(cp_src[20],"/usr/sbin");
164 		strcpy(cp_src[21],"/usr/share");
165 		strcpy(cp_src[22],"/usr/src");
166 		strcpy(cp_src[23],"/var");
167 		strcpy(cp_src[24],"");
168 	} else {
169 		snprintf(file_path, 256, "%s%s", a->os_root, SOURCES_CONF_FILE);
170                 sources_conf = fopen(file_path, "r");
171 		i_log(a, "Reading %s%s", a->os_root, SOURCES_CONF_FILE);
172                 while(fgets(line, 256, sources_conf) != NULL && lines < 63) {
173 			if(strlen(line)>0)
174 				line[strlen(line)-1] = '\0';
175 			strlcpy(cp_src[lines], line, 256);
176 			i_log(a,"Adding %s to copy source table.", cp_src[lines]);
177 			lines++;
178                 }
179 		i_log(a,"Added %i total items to copy source table.", lines);
180 		strcpy(cp_src[lines], "");
181 		fclose(sources_conf);
182 	}
183 
184 	cmds = commands_new();
185 
186 	/*
187 	 * If swap isn't mounted yet, mount it.
188 	 */
189 	if (measure_activated_swap(a) == 0) {
190 		for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
191 		    sp != NULL; sp = subpartition_next(sp)) {
192 			if (!subpartition_is_swap(sp))
193 				continue;
194 			command_add(cmds, "%s%s %sdev/%s",
195 			    a->os_root,
196 			    cmd_name(a, "SWAPON"),
197 			    a->os_root,
198 			    subpartition_get_device_name(sp));
199 		}
200 	}
201 
202 	/*
203 	 * Unmount anything already mounted on /mnt.
204 	 */
205 	unmount_all_under(a, cmds, "%smnt", a->os_root);
206 
207 	for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
208 	     sp != NULL; sp = subpartition_next(sp)) {
209 		if (strcmp(subpartition_get_mountpoint(sp), "/") == 0) {
210 			if (use_hammer == 1) {
211 				command_add(cmds, "%s%s %sdev/%s %smnt%s",
212 				    a->os_root, cmd_name(a, "MOUNT_HAMMER"),
213 				    a->os_root,
214 				    subpartition_get_device_name(sp),
215 				    a->os_root,
216 				    subpartition_get_mountpoint(sp));
217 			} else {
218 				command_add(cmds, "%s%s %sdev/%s %smnt%s",
219 				    a->os_root, cmd_name(a, "MOUNT"),
220 				    a->os_root,
221 				    subpartition_get_device_name(sp),
222 				    a->os_root,
223 				    subpartition_get_mountpoint(sp));
224 			}
225 		}
226 	}
227 
228 	/*
229 	 * Create mount points and mount subpartitions on them.
230 	 */
231 	for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
232 	     sp != NULL; sp = subpartition_next(sp)) {
233 		if (subpartition_is_swap(sp)) {
234 			/*
235 			 * Set this subpartition as the dump device.
236 			 */
237 			if (subpartition_get_capacity(sp) < storage_get_memsize(a->s))
238 				continue;
239 
240 			command_add(cmds, "%s%s -v %sdev/%s",
241 			    a->os_root, cmd_name(a, "DUMPON"),
242 			    a->os_root,
243 			    subpartition_get_device_name(sp));
244 
245 			asprintf(&string, "/dev/%s",
246 			    subpartition_get_device_name(sp));
247 			config_var_set(rc_conf, "dumpdev", string);
248 			free(string);
249 			continue;
250 		}
251 
252 		if (use_hammer == 0) {
253 			/* / is already mounted */
254 			if (strcmp(subpartition_get_mountpoint(sp), "/") != 0) {
255 				command_add(cmds, "%s%s -p %smnt%s",
256 				    a->os_root, cmd_name(a, "MKDIR"),
257 				    a->os_root,
258 				    subpartition_get_mountpoint(sp));
259 				/* Don't mount it if it's MFS-backed. */
260 				if (subpartition_is_mfsbacked(sp))
261 					continue;
262 				command_add(cmds, "%s%s %sdev/%s %smnt%s",
263 				    a->os_root, cmd_name(a, "MOUNT"),
264 				    a->os_root,
265 				    subpartition_get_device_name(sp),
266 				    a->os_root,
267 				    subpartition_get_mountpoint(sp));
268 			}
269 		} else if (strcmp(subpartition_get_mountpoint(sp), "/boot") == 0) {
270 			command_add(cmds, "%s%s -p %smnt%s",
271 			    a->os_root, cmd_name(a, "MKDIR"),
272 			    a->os_root,
273 			    subpartition_get_mountpoint(sp));
274 			command_add(cmds, "%s%s %sdev/%s %smnt%s",
275 			    a->os_root, cmd_name(a, "MOUNT"),
276 			    a->os_root,
277 			    subpartition_get_device_name(sp),
278 			    a->os_root,
279 			    subpartition_get_mountpoint(sp));
280 		}
281 	}
282 
283 	/*
284 	 * Take care of HAMMER PFS.
285 	 */
286 	if (use_hammer == 1)
287 		handle_pfs(a, cmds);
288 
289 	/*
290 	 * Actually copy files now.
291 	 */
292 
293 	for (i = 0; cp_src[i] != NULL && cp_src[i][0] != '\0'; i++) {
294 		char *src, *dest, *dn, *tmp_dest;
295 
296 		dest = cp_src[i];
297 
298 		/*
299 		 * If dest would be on an MFS-backed
300 		 * mountpoint, don't bother copying it.
301 		 */
302 		sp = subpartition_of(storage_get_selected_slice(a->s),
303 				     "%s%s", a->os_root, &dest[1]);
304 		if (sp != NULL && subpartition_is_mfsbacked(sp)) {
305 			continue;
306 		}
307 
308 		/*
309 		 * Create intermediate directories, if needed.
310 		 */
311 		tmp_dest = aura_strdup(dest);
312 		dn = dirname(tmp_dest);
313 		if (is_dir("%s%s", a->os_root, &dn[1]) &&
314 		    !is_dir("%smnt%s", a->os_root, dn)) {
315 			command_add(cmds, "%s%s -p %smnt%s",
316 			    a->os_root, cmd_name(a, "MKDIR"),
317 			    a->os_root, dn);
318 		}
319 		aura_free(tmp_dest, "directory name");
320 
321 		/*
322 		 * If a directory by the same name but with the suffix
323 		 * ".hdd" exists on the installation media, cpdup that
324 		 * instead.  This is particularly useful with /etc, which
325 		 * may have significantly different behaviour on the
326 		 * live CD compared to a standard HDD boot.
327 		 */
328 		if (is_dir("%s%s.hdd", a->os_root, &dest[1]))
329 			asprintf(&src, "%s.hdd", &dest[1]);
330 		else
331 			asprintf(&src, "%s", &dest[1]);
332 
333 		if (is_dir("%s%s", a->os_root, src) || is_file("%s%s", a->os_root, src)) {
334 			/*
335 			 * Cpdup the chosen file or directory onto the HDD.
336 			 * if it exists on the source.
337 			 */
338 			cmd = command_add(cmds, "%s%s %s%s %smnt%s",
339 			    a->os_root, cmd_name(a, "CPDUP"),
340 			    a->os_root, src,
341 			    a->os_root, dest);
342 			command_set_log_mode(cmd, COMMAND_LOG_QUIET);
343 		}
344 	}
345 
346 	/*
347 	 * Now, because cpdup does not cross mount points,
348 	 * we must copy anything that the user might've made a
349 	 * seperate mount point for (e.g. /usr/libdata/lint.)
350 	 */
351 	for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
352 	     sp != NULL; sp = subpartition_next(sp)) {
353 		/*
354 		 * If the subpartition is a swap subpartition or an
355 		 * MFS-backed mountpoint, don't try to copy anything
356 		 * into it.
357 		 */
358 		if (subpartition_is_swap(sp) || subpartition_is_mfsbacked(sp))
359 			continue;
360 
361 		/*
362 		 * If the mountpoint doesn't even exist on the installation
363 		 * medium, don't try to copy anything from it!  We assume
364 		 * it's an empty subpartition for the user's needs.
365 		 */
366 		if (!is_dir("%s%s", a->os_root, &subpartition_get_mountpoint(sp)[1]))
367 			continue;
368 
369 		/*
370 		 * Don't bother copying the mountpoint IF:
371 		 * - we've already said to copy it, or something besides it
372 		 *   (it's a prefix of something in cp_src); or
373 		 * - we haven't said to copy it
374 		 *   (nothing in cp_src is a prefix of it.)
375 		 */
376 		seen_it = 0;
377 		prefix = 0;
378 		for (i = 0; cp_src[i] != NULL && cp_src[i][0] != '\0'; i++) {
379 			if (strncmp(subpartition_get_mountpoint(sp), cp_src[i],
380 			    strlen(subpartition_get_mountpoint(sp))) == 0) {
381 				seen_it = 1;
382 				break;
383 			}
384 			if (strncmp(cp_src[i], subpartition_get_mountpoint(sp),
385 			    strlen(cp_src[i])) == 0) {
386 				prefix = 1;
387 			}
388 		}
389 		if (seen_it || !prefix)
390 			continue;
391 
392 		/*
393 		 * Otherwise, cpdup the subpartition.
394 		 *
395 		 * XXX check for .hdd-extended source dirs here, too,
396 		 * eventually - but for now, /etc.hdd will never be
397 		 * the kind of tricky sub-mount-within-a-mount-point
398 		 * that this part of the code is meant to handle.
399 		 */
400 		cmd = command_add(cmds, "%s%s %s%s %smnt%s",
401 		    a->os_root, cmd_name(a, "CPDUP"),
402 		    a->os_root, &subpartition_get_mountpoint(sp)[1],
403 		    a->os_root, subpartition_get_mountpoint(sp));
404 		command_set_log_mode(cmd, COMMAND_LOG_QUIET);
405 	}
406 
407 	/*
408 	 * Create symlinks.
409 	 */
410 
411 	/* Take care of /sys. */
412 	command_add(cmds, "%s%s -s usr/src/sys %smnt/sys",
413 	    a->os_root, cmd_name(a, "LN"), a->os_root);
414 
415 	/*
416 	 * If the user has both /var and /tmp subpartitions,
417 	 * symlink /var/tmp to /tmp.
418 	 */
419 	if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") != NULL &&
420 	    subpartition_find(storage_get_selected_slice(a->s), "/var") != NULL) {
421 		command_add(cmds, "%s%s 1777 %smnt/tmp",
422 		    a->os_root, cmd_name(a, "CHMOD"), a->os_root);
423 		command_add(cmds, "%s%s -rf %smnt/var/tmp",
424 		    a->os_root, cmd_name(a, "RM"), a->os_root);
425 		command_add(cmds, "%s%s -s /tmp %smnt/var/tmp",
426 		    a->os_root, cmd_name(a, "LN"), a->os_root);
427 	}
428 
429 	/*
430 	 * If the user has /var, but no /tmp,
431 	 * symlink /tmp to /var/tmp.
432 	 */
433 	if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") == NULL &&
434 	    subpartition_find(storage_get_selected_slice(a->s), "/var") != NULL) {
435 		command_add(cmds, "%s%s -rf %smnt/tmp",
436 		    a->os_root, cmd_name(a, "RM"), a->os_root);
437 		command_add(cmds, "%s%s -s /var/tmp %smnt/tmp",
438 		    a->os_root, cmd_name(a, "LN"), a->os_root);
439 	}
440 
441 	/*
442 	 * If the user has /usr, but no /home,
443 	 * symlink /home to /usr/home.
444 	 */
445 	if (subpartition_find(storage_get_selected_slice(a->s), "/home") == NULL &&
446 	    subpartition_find(storage_get_selected_slice(a->s), "/usr") != NULL) {
447 		command_add(cmds, "%s%s -rf %smnt/home",
448 		    a->os_root, cmd_name(a, "RM"), a->os_root);
449 		command_add(cmds, "%s%s %smnt/usr/home",
450 		    a->os_root, cmd_name(a, "MKDIR"), a->os_root);
451 		command_add(cmds, "%s%s -s /usr/home %smnt/home",
452 		    a->os_root, cmd_name(a, "LN"), a->os_root);
453 	}
454 
455 	/*
456 	 * XXX check for other possible combinations too?
457 	 */
458 
459 	/*
460 	 * Clean up.  In case some file didn't make it, use rm -f
461 	 */
462 	command_add(cmds, "%s%s -f %smnt/boot/loader.conf",
463 	    a->os_root, cmd_name(a, "RM"), a->os_root);
464 	command_add(cmds, "%s%s -f %smnt/tmp/install.log",
465 	    a->os_root, cmd_name(a, "RM"), a->os_root);
466 
467 	/*
468 	 * Copy pristine versions over any files we might have installed.
469 	 * This allows the resulting file tree to be customized.
470 	 */
471 	for (i = 0; cp_src[i] != NULL && cp_src[i][0] != '\0'; i++) {
472 		char *src, *dest, *dn, *tmp_dest;
473 
474 		src = cp_src[i];
475 		dest = cp_src[i];
476 
477 		/*
478 		 * Get the directory that the desired thing to
479 		 * copy resides in.
480 		 */
481 		tmp_dest = aura_strdup(dest);
482 		dn = dirname(tmp_dest);
483 
484 		/*
485 		 * If this dir doesn't exist in PRISTINE_DIR
486 		 * on the install media, just skip it.
487 		 */
488 		if (!is_dir("%s%s%s", a->os_root, PRISTINE_DIR, dn)) {
489 			aura_free(tmp_dest, _("directory name"));
490 			continue;
491 		}
492 
493 		/*
494 		 * Create intermediate directories, if needed.
495 		 */
496 		if (!is_dir("%smnt%s", a->os_root, dn)) {
497 			command_add(cmds, "%s%s -p %smnt%s",
498 			    a->os_root, cmd_name(a, "MKDIR"),
499 			    a->os_root, dn);
500 		}
501 		aura_free(tmp_dest, "directory name");
502 
503 		/*
504 		 * Cpdup the chosen file or directory onto the HDD.
505 		 */
506 		cmd = command_add(cmds, "%s%s %s%s %smnt%s",
507 		    a->os_root, cmd_name(a, "CPDUP"),
508 		    a->os_root, src,
509 		    a->os_root, dest);
510 
511 		cmd = command_add(cmds,
512 		    "%s%s %s%s%s %smnt%s",
513 		    a->os_root, cmd_name(a, "CPDUP"),
514 		    a->os_root, PRISTINE_DIR, src,
515 		    a->os_root, dest);
516 		command_set_log_mode(cmd, COMMAND_LOG_QUIET);
517 	}
518 
519 	/*
520 	 * Rebuild the user database, to get rid of any extra users
521 	 * from the LiveCD that aren't supposed to be installed
522 	 * (copying a pristine master.passwd isn't enough.)
523 	 */
524 	command_add(cmds, "%s%s -p -d %smnt/etc %smnt/etc/master.passwd",
525 	    a->os_root, cmd_name(a, "PWD_MKDB"), a->os_root, a->os_root);
526 
527 	/* Create missing directories. */
528 	command_add(cmds, "%s%s %smnt/proc",
529 	    a->os_root, cmd_name(a, "MKDIR"), a->os_root);
530 	command_add(cmds, "%s%s %smnt/mnt",
531 	    a->os_root, cmd_name(a, "MKDIR"), a->os_root);
532 
533 	/* Write devtab entries if a serial number is available. */
534 	for (d = storage_disk_first(a->s); d != NULL; d = disk_next(d))
535 		if (disk_get_serno(d) != NULL)
536 			command_add(cmds, "%s%s 'disk%d\t\tserno\t\t%s' >>%smnt/etc/devtab",
537 			    a->os_root, cmd_name(a, "ECHO"),
538 			    disk_get_number(d), disk_get_serno(d), a->os_root);
539 
540 	/* Write new fstab. */
541 	command_add(cmds, "%s%s '%s' >%smnt/etc/fstab",
542 	    a->os_root, cmd_name(a, "ECHO"),
543 	    "# Device\t\tMountpoint\tFStype\tOptions\t\tDump\tPass#",
544 	    a->os_root);
545 
546 	for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
547 	     sp != NULL; sp = subpartition_next(sp)) {
548 		if (strcmp(subpartition_get_mountpoint(sp), "swap") == 0) {
549 			command_add(cmds, "%s%s '%s\t\tnone\t\tswap\tsw\t\t0\t0' >>%smnt/etc/fstab",
550 			    a->os_root, cmd_name(a, "ECHO"),
551 			    subpartition_get_devtab_name(sp),
552 			    a->os_root);
553 		} else if (use_hammer == 0) {
554 			if (strcmp(subpartition_get_mountpoint(sp), "/") == 0) {
555 				command_add(cmds, "%s%s '%s\t\t%s\t\tufs\trw\t\t1\t1' >>%smnt/etc/fstab",
556 				    a->os_root, cmd_name(a, "ECHO"),
557 				    subpartition_get_devtab_name(sp),
558 				    subpartition_get_mountpoint(sp),
559 				    a->os_root);
560 			} else if (subpartition_is_mfsbacked(sp)) {
561 				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",
562 					a->os_root, cmd_name(a, "ECHO"),
563 					subpartition_get_mountpoint(sp),
564 					subpartition_get_capacity(sp) * 2048,
565 					subpartition_get_bsize(sp),
566 					subpartition_get_fsize(sp),
567 					a->os_root);
568 			} else {
569 				command_add(cmds, "%s%s '%s\t\t%s\t\tufs\trw\t\t2\t2' >>%smnt/etc/fstab",
570 				    a->os_root, cmd_name(a, "ECHO"),
571 				    subpartition_get_devtab_name(sp),
572 				    subpartition_get_mountpoint(sp),
573 				    a->os_root);
574 			}
575 		} else {
576 			if (strcmp(subpartition_get_mountpoint(sp), "/") == 0) {
577 				command_add(cmds, "%s%s '%s\t\t%s\t\thammer\trw\t\t1\t1' >>%smnt/etc/fstab",
578 				    a->os_root, cmd_name(a, "ECHO"),
579 				    subpartition_get_devtab_name(sp),
580 				    subpartition_get_mountpoint(sp),
581 				    a->os_root);
582 				command_add(cmds, "%s%s 'vfs.root.mountfrom=\"hammer:%s\"' >>%smnt/boot/loader.conf",
583 				    a->os_root, cmd_name(a, "ECHO"),
584 				    subpartition_get_device_name(sp),
585 				    a->os_root);
586 			} else if (strcmp(subpartition_get_mountpoint(sp), "/boot") == 0) {
587 				command_add(cmds, "%s%s '%s\t\t%s\t\tufs\trw\t\t1\t1' >>%smnt/etc/fstab",
588 				    a->os_root, cmd_name(a, "ECHO"),
589 				    subpartition_get_devtab_name(sp),
590 				    subpartition_get_mountpoint(sp),
591 				    a->os_root);
592 			}
593 		}
594 	}
595 
596 	/*
597 	 * Take care of HAMMER PFS null mounts.
598 	 */
599 	if (use_hammer == 1) {
600 		for (j = 0; pfs_mountpt[j] != NULL; j++) {
601 			if (rindex(pfs_mountpt[j]+1, '/') != NULL)
602 				command_add(cmds, "%s%s '/pfs%s.%s\t%s\t\tnull\trw\t\t0\t0' >>%smnt/etc/fstab",
603 				    a->os_root, cmd_name(a, "ECHO"),
604 				    dirname(pfs_mountpt[j]),
605 				    basename(pfs_mountpt[j]),
606 				    pfs_mountpt[j],
607 				    a->os_root);
608 			else
609 				command_add(cmds, "%s%s '/pfs%s\t\t%s\t\tnull\trw\t\t0\t0' >>%smnt/etc/fstab",
610 				    a->os_root, cmd_name(a, "ECHO"),
611 				    pfs_mountpt[j],
612 				    pfs_mountpt[j],
613 				    a->os_root);
614 		}
615 	}
616 
617 	command_add(cmds, "%s%s '%s' >>%smnt/etc/fstab",
618 	    a->os_root, cmd_name(a, "ECHO"),
619 	    "proc\t\t\t/proc\t\tprocfs\trw\t\t0\t0",
620 	    a->os_root);
621 
622 	/* Backup the disklabel and the log. */
623 	command_add(cmds, "%s%s %s > %smnt/etc/disklabel.%s",
624 	    a->os_root, cmd_name(a, "DISKLABEL64"),
625 	    slice_get_device_name(storage_get_selected_slice(a->s)),
626 	    a->os_root,
627 	    slice_get_device_name(storage_get_selected_slice(a->s)));
628 
629 	/* 'chflags nohistory' as needed */
630 	for (j = 0; pfs_mountpt[j] != NULL; j++)
631 		if (pfs_nohistory[j] == 1)
632 			command_add(cmds, "%s%s -R nohistory %smnt%s",
633 			    a->os_root, cmd_name(a, "CHFLAGS"),
634 			    a->os_root, pfs_mountpt[j]);
635 
636 	command_add(cmds, "%s%s %sinstall.log %smnt/var/log/install.log",
637 	    a->os_root, cmd_name(a, "CP"),
638 	    a->tmp, a->os_root);
639 	command_add(cmds, "%s%s 600 %smnt/var/log/install.log",
640 	    a->os_root, cmd_name(a, "CHMOD"), a->os_root);
641 
642 	/* Customize stuff here */
643 	if(is_file("%susr/local/bin/after_installation_routines.sh")) {
644 		command_add(cmds, "%susr/local/bin/after_installation_routines.sh",
645 		a->os_root, _("Running after installation custom routines..."));
646 	}
647 
648 	/*
649 	 * Do it!
650 	 */
651 	/* commands_preview(a->c, cmds); */
652 	if (!commands_execute(a, cmds)) {
653 		inform(a->c, _("%s was not fully installed."), OPERATING_SYSTEM_NAME);
654 		a->result = 0;
655 	} else {
656 		a->result = 1;
657 	}
658 	commands_free(cmds);
659 	cmds = commands_new();
660 
661 	if (a->result) {
662 		config_vars_write(rc_conf, CONFIG_TYPE_SH, "%smnt/etc/rc.conf",
663 		    a->os_root);
664 		config_vars_free(rc_conf);
665 		rc_conf = config_vars_new();
666 	}
667 
668 	/*
669 	 * Unmount everything we mounted on /mnt.  This is done in a seperate
670 	 * command chain, so that partitions are unmounted, even if an error
671 	 * occurs in one of the preceding commands, or it is cancelled.
672 	 */
673 	unmount_all_under(a, cmds, "%smnt", a->os_root);
674 
675 	/*
676 	 * Once everything is unmounted, if the install went successfully,
677 	 * make sure once and for all that the disklabel is bootable.
678 	 */
679 	if (a->result)
680 		command_add(cmds, "%s%s -B %s",
681 		    a->os_root, cmd_name(a, "DISKLABEL64"),
682 		    slice_get_device_name(storage_get_selected_slice(a->s)));
683 
684 	if (!commands_execute(a, cmds))
685 		inform(a->c, _("Warning: subpartitions were not correctly unmounted."));
686 
687 	commands_free(cmds);
688 }
689