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