xref: /netbsd-src/usr.sbin/sysinst/util.c (revision 404ee5b9334f618040b6cdef96a0ff35a6fc4636)
1 /*	$NetBSD: util.c,v 1.40 2019/11/16 21:25:14 martin Exp $	*/
2 
3 /*
4  * Copyright 1997 Piermont Information Systems Inc.
5  * All rights reserved.
6  *
7  * Written by Philip A. Nelson for Piermont Information Systems Inc.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. The name of Piermont Information Systems Inc. may not be used to endorse
18  *    or promote products derived from this software without specific prior
19  *    written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31  * THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  */
34 
35 /* util.c -- routines that don't really fit anywhere else... */
36 
37 #include <assert.h>
38 #include <inttypes.h>
39 #include <stdio.h>
40 #include <stdarg.h>
41 #include <string.h>
42 #include <unistd.h>
43 #include <sys/mount.h>
44 #include <sys/dkio.h>
45 #include <sys/ioctl.h>
46 #include <sys/types.h>
47 #include <sys/param.h>
48 #include <sys/sysctl.h>
49 #include <sys/stat.h>
50 #include <sys/statvfs.h>
51 #include <isofs/cd9660/iso.h>
52 #include <curses.h>
53 #include <err.h>
54 #include <errno.h>
55 #include <dirent.h>
56 #include <util.h>
57 #include "defs.h"
58 #include "md.h"
59 #include "defsizes.h"
60 #include "msg_defs.h"
61 #include "menu_defs.h"
62 
63 #define MAX_CD_DEVS	256	/* how many cd drives do we expect to attach */
64 #define ISO_BLKSIZE	ISO_DEFAULT_BLOCK_SIZE
65 
66 static const char *msg_yes, *msg_no, *msg_all, *msg_some, *msg_none;
67 static int select_menu_width;
68 
69 static uint8_t set_status[SET_GROUP_END];
70 #define SET_VALID	0x01
71 #define SET_SELECTED	0x02
72 #define SET_SKIPPED	0x04
73 #define SET_INSTALLED	0x08
74 
75 struct  tarstats {
76 	int nselected;
77 	int nfound;
78 	int nnotfound;
79 	int nerror;
80 	int nsuccess;
81 	int nskipped;
82 } tarstats;
83 
84 distinfo dist_list[] = {
85 #ifdef SET_KERNEL_1_NAME
86 	{SET_KERNEL_1_NAME,	SET_KERNEL_1,		false, MSG_set_kernel_1, NULL},
87 #endif
88 #ifdef SET_KERNEL_2_NAME
89 	{SET_KERNEL_2_NAME,	SET_KERNEL_2,		false, MSG_set_kernel_2, NULL},
90 #endif
91 #ifdef SET_KERNEL_3_NAME
92 	{SET_KERNEL_3_NAME,	SET_KERNEL_3,		false, MSG_set_kernel_3, NULL},
93 #endif
94 #ifdef SET_KERNEL_4_NAME
95 	{SET_KERNEL_4_NAME,	SET_KERNEL_4,		false, MSG_set_kernel_4, NULL},
96 #endif
97 #ifdef SET_KERNEL_5_NAME
98 	{SET_KERNEL_5_NAME,	SET_KERNEL_5,		false, MSG_set_kernel_5, NULL},
99 #endif
100 #ifdef SET_KERNEL_6_NAME
101 	{SET_KERNEL_6_NAME,	SET_KERNEL_6,		false, MSG_set_kernel_6, NULL},
102 #endif
103 #ifdef SET_KERNEL_7_NAME
104 	{SET_KERNEL_7_NAME,	SET_KERNEL_7,		false, MSG_set_kernel_7, NULL},
105 #endif
106 #ifdef SET_KERNEL_8_NAME
107 	{SET_KERNEL_8_NAME,	SET_KERNEL_8,		false, MSG_set_kernel_8, NULL},
108 #endif
109 #ifdef SET_KERNEL_9_NAME
110 	{SET_KERNEL_9_NAME,	SET_KERNEL_9,		false, MSG_set_kernel_9, NULL},
111 #endif
112 
113 	{"modules",		SET_MODULES,		false, MSG_set_modules, NULL},
114 	{"base",		SET_BASE,		false, MSG_set_base, NULL},
115 	{"etc",			SET_ETC,		false, MSG_set_system, NULL},
116 	{"comp",		SET_COMPILER,		false, MSG_set_compiler, NULL},
117 	{"games",		SET_GAMES,		false, MSG_set_games, NULL},
118 	{"man",			SET_MAN_PAGES,		false, MSG_set_man_pages, NULL},
119 	{"misc",		SET_MISC,		false, MSG_set_misc, NULL},
120 	{"rescue",		SET_RESCUE,		false, MSG_set_rescue, NULL},
121 	{"tests",		SET_TESTS,		false, MSG_set_tests, NULL},
122 	{"text",		SET_TEXT_TOOLS,		false, MSG_set_text_tools, NULL},
123 
124 	{NULL,			SET_GROUP,		false, MSG_set_X11, NULL},
125 	{"xbase",		SET_X11_BASE,		false, MSG_set_X11_base, NULL},
126 	{"xcomp",		SET_X11_PROG,		false, MSG_set_X11_prog, NULL},
127 	{"xetc",		SET_X11_ETC,		false, MSG_set_X11_etc, NULL},
128 	{"xfont",		SET_X11_FONTS,		false, MSG_set_X11_fonts, NULL},
129 	{"xserver",		SET_X11_SERVERS,	false, MSG_set_X11_servers, NULL},
130 	{NULL,			SET_GROUP_END,		false, NULL, NULL},
131 
132 #ifdef SET_MD_1_NAME
133 	{SET_MD_1_NAME,		SET_MD_1,		false, MSG_set_md_1, NULL},
134 #endif
135 #ifdef SET_MD_2_NAME
136 	{SET_MD_2_NAME,		SET_MD_2,		false, MSG_set_md_2, NULL},
137 #endif
138 #ifdef SET_MD_3_NAME
139 	{SET_MD_3_NAME,		SET_MD_3,		false, MSG_set_md_3, NULL},
140 #endif
141 #ifdef SET_MD_4_NAME
142 	{SET_MD_4_NAME,		SET_MD_4,		false, MSG_set_md_4, NULL},
143 #endif
144 
145 	{NULL,			SET_GROUP,		true, MSG_set_source, NULL},
146 	{"syssrc",		SET_SYSSRC,		true, MSG_set_syssrc, NULL},
147 	{"src",			SET_SRC,		true, MSG_set_src, NULL},
148 	{"sharesrc",		SET_SHARESRC,		true, MSG_set_sharesrc, NULL},
149 	{"gnusrc",		SET_GNUSRC,		true, MSG_set_gnusrc, NULL},
150 	{"xsrc",		SET_XSRC,		true, MSG_set_xsrc, NULL},
151 	{"debug",		SET_DEBUG,		false, MSG_set_debug, NULL},
152 	{"xdebug",		SET_X11_DEBUG,		false, MSG_set_xdebug, NULL},
153 	{NULL,			SET_GROUP_END,		false, NULL, NULL},
154 
155 	{NULL,			SET_LAST,		false, NULL, NULL},
156 };
157 
158 #define MAX_CD_INFOS	16	/* how many media can be found? */
159 struct cd_info {
160 	char device_name[16];
161 	char menu[100];
162 };
163 static struct cd_info cds[MAX_CD_INFOS];
164 
165 /* flags whether to offer the respective options (depending on helper
166    programs available on install media */
167 int have_raid, have_vnd, have_cgd, have_lvm, have_gpt, have_dk;
168 
169 /*
170  * local prototypes
171  */
172 
173 static int check_for(unsigned int mode, const char *pathname);
174 static int get_iso9660_volname(int dev, int sess, char *volname,
175 		size_t volnamelen);
176 static int get_available_cds(void);
177 static int binary_available(const char *prog);
178 
179 void
180 init_set_status(int flags)
181 {
182 	static const uint8_t sets_valid[] = {MD_SETS_VALID};
183 	static const uint8_t sets_selected_full[] = {MD_SETS_SELECTED};
184 	static const uint8_t sets_selected_minimal[] = {MD_SETS_SELECTED_MINIMAL};
185 	static const uint8_t sets_selected_nox[] = {MD_SETS_SELECTED_NOX};
186 	static const uint8_t *sets_selected;
187 	unsigned int nelem_selected;
188 	unsigned int i, len;
189 	const char *longest;
190 
191 	if (flags & SFLAG_MINIMAL) {
192 		sets_selected = sets_selected_minimal;
193 		nelem_selected = __arraycount(sets_selected_minimal);
194 	} else if (flags & SFLAG_NOX) {
195 		sets_selected = sets_selected_nox;
196 		nelem_selected = __arraycount(sets_selected_nox);
197 	} else {
198 		sets_selected = sets_selected_full;
199 		nelem_selected = __arraycount(sets_selected_full);
200 	}
201 
202 	for (i = 0; i < __arraycount(sets_valid); i++)
203 		set_status[sets_valid[i]] = SET_VALID;
204 	for (i = 0; i < nelem_selected; i++)
205 		set_status[sets_selected[i]] |= SET_SELECTED;
206 
207 	set_status[SET_GROUP] = SET_VALID;
208 
209 	/* Lookup some strings we need lots of times */
210 	msg_yes = msg_string(MSG_Yes);
211 	msg_no = msg_string(MSG_No);
212 	msg_all = msg_string(MSG_All);
213 	msg_some = msg_string(MSG_Some);
214 	msg_none = msg_string(MSG_None);
215 
216 	/* Find longest and use it to determine width of selection menu */
217 	len = strlen(msg_no); longest = msg_no;
218 	i = strlen(msg_yes); if (i > len) {len = i; longest = msg_yes; }
219 	i = strlen(msg_all); if (i > len) {len = i; longest = msg_all; }
220 	i = strlen(msg_some); if (i > len) {len = i; longest = msg_some; }
221 	i = strlen(msg_none); if (i > len) {len = i; longest = msg_none; }
222 	select_menu_width = snprintf(NULL, 0, "%-30s %s", "", longest);
223 
224 	/* Give the md code a chance to choose the right kernel, etc. */
225 	md_init_set_status(flags);
226 }
227 
228 int
229 dir_exists_p(const char *path)
230 {
231 
232 	return file_mode_match(path, S_IFDIR);
233 }
234 
235 int
236 file_exists_p(const char *path)
237 {
238 
239 	return file_mode_match(path, S_IFREG);
240 }
241 
242 int
243 file_mode_match(const char *path, unsigned int mode)
244 {
245 	struct stat st;
246 
247 	return (stat(path, &st) == 0 && (st.st_mode & S_IFMT) == mode);
248 }
249 
250 /* return ram size in MB */
251 uint64_t
252 get_ramsize(void)
253 {
254 	uint64_t ramsize;
255 	size_t len = sizeof ramsize;
256 	int mib[2] = {CTL_HW, HW_PHYSMEM64};
257 
258 	sysctl(mib, 2, &ramsize, &len, NULL, 0);
259 
260 	/* Find out how many Megs ... round up. */
261 	return (ramsize + MEG - 1) / MEG;
262 }
263 
264 void
265 run_makedev(void)
266 {
267 	char *owd;
268 
269 	msg_display_add("\n\n");
270 	msg_display_add(MSG_makedev);
271 
272 	owd = getcwd(NULL, 0);
273 
274 	/* make /dev, in case the user  didn't extract it. */
275 	make_target_dir("/dev");
276 	target_chdir_or_die("/dev");
277 	run_program(0, "/bin/sh MAKEDEV all");
278 
279 	chdir(owd);
280 	free(owd);
281 }
282 
283 /*
284  * Performs in-place replacement of a set of patterns in a file that lives
285  * inside the installed system.  The patterns must be separated by a semicolon.
286  * For example:
287  *
288  * replace("/etc/some-file.conf", "s/prop1=NO/prop1=YES/;s/foo/bar/");
289  */
290 void
291 replace(const char *path, const char *patterns, ...)
292 {
293 	char *spatterns;
294 	va_list ap;
295 
296 	va_start(ap, patterns);
297 	vasprintf(&spatterns, patterns, ap);
298 	va_end(ap);
299 	if (spatterns == NULL)
300 		err(1, "vasprintf(&spatterns, \"%s\", ...)", patterns);
301 
302 	run_program(RUN_CHROOT, "sed -an -e '%s;H;$!d;g;w %s' %s", spatterns,
303 	    path, path);
304 
305 	free(spatterns);
306 }
307 
308 static int
309 floppy_fetch(const char *set_name)
310 {
311 	char post[4];
312 	msg errmsg;
313 	int menu;
314 	int status;
315 	const char *write_mode = ">";
316 
317 	strcpy(post, "aa");
318 
319 	errmsg = "";
320 	menu = MENU_fdok;
321 	for (;;) {
322 		umount_mnt2();
323 		msg_display(errmsg);
324 		msg_fmt_display_add(MSG_fdmount, "%s%s", set_name, post);
325 		process_menu(menu, &status);
326 		if (status != SET_CONTINUE)
327 			return status;
328 		menu = MENU_fdremount;
329 		errmsg = MSG_fdremount;
330 		if (run_program(0, "/sbin/mount -r -t %s %s /mnt2",
331 							fd_type, fd_dev))
332 			continue;
333 		mnt2_mounted = 1;
334 		errmsg = MSG_fdnotfound;
335 
336 		/* Display this because it might take a while.... */
337 		if (run_program(RUN_DISPLAY,
338 			    "sh -c '/bin/cat /mnt2/%s.%s %s %s/%s/%s%s'",
339 			    set_name, post, write_mode,
340 			    target_prefix(), xfer_dir, set_name,
341 			    set_postfix(set_name)))
342 			/* XXX: a read error will give a corrupt file! */
343 			continue;
344 
345 		/* We got that file, advance to next fragment */
346 		if (post[1] < 'z')
347 			post[1]++;
348 		else
349 			post[1] = 'a', post[0]++;
350 		write_mode = ">>";
351 		errmsg = "";
352 		menu = MENU_fdok;
353 	}
354 }
355 
356 /*
357  * Load files from floppy.  Requires a /mnt2 directory for mounting them.
358  */
359 int
360 get_via_floppy(void)
361 {
362 	int rv = -1;
363 
364 	process_menu(MENU_floppysource, &rv);
365 	if (rv == SET_RETRY)
366 		return SET_RETRY;
367 
368 	fetch_fn = floppy_fetch;
369 
370 	/* Set ext_dir for absolute path. */
371 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "%s/%s", target_prefix(), xfer_dir);
372 	snprintf(ext_dir_src, sizeof ext_dir_src, "%s/%s", target_prefix(), xfer_dir);
373 
374 	return SET_OK;
375 }
376 
377 /*
378  * Get the volume name of a ISO9660 file system
379  */
380 static int
381 get_iso9660_volname(int dev, int sess, char *volname, size_t volnamelen)
382 {
383 	int blkno, error, last;
384 	char buf[ISO_BLKSIZE];
385 	struct iso_volume_descriptor *vd = NULL;
386 	struct iso_primary_descriptor *pd = NULL;
387 
388 	for (blkno = sess+16; blkno < sess+16+100; blkno++) {
389 		error = pread(dev, buf, ISO_BLKSIZE, blkno*ISO_BLKSIZE);
390 		if (error == -1)
391 			return -1;
392 		vd = (struct iso_volume_descriptor *)&buf;
393 		if (memcmp(vd->id, ISO_STANDARD_ID, sizeof(vd->id)) != 0)
394 			return -1;
395 		if (isonum_711((const unsigned char *)&vd->type)
396 		     == ISO_VD_PRIMARY) {
397 			pd = (struct iso_primary_descriptor*)buf;
398 			strncpy(volname, pd->volume_id, volnamelen - 1);
399 			volname[volnamelen - 1] = '\0';
400 			last = volnamelen - 1;
401 			while (last >= 0
402 			    && (volname[last] == ' ' || volname[last] == 0))
403 				last--;
404 			volname[last+1] = 0;
405 			return 0;
406 		}
407 	}
408 	return -1;
409 }
410 
411 /*
412  * Local state while iterating CDs and collecting volumes
413  */
414 struct get_available_cds_state {
415 	struct cd_info *info;
416 	size_t count;
417 };
418 
419 /*
420  * Callback function: if this is a CD, enumerate all volumes on it
421  */
422 static bool
423 get_available_cds_helper(void *arg, const char *device)
424 {
425 	struct get_available_cds_state *state = arg;
426 	char dname[16], volname[80];
427 	struct disklabel label;
428 	int part, dev, error, sess, ready;
429 
430 	if (!is_cdrom_device(device, false))
431 		return true;
432 
433 	sprintf(dname, "/dev/r%s%c", device, 'a'+RAW_PART);
434 	dev = open(dname, O_RDONLY, 0);
435 	if (dev == -1)
436 		return true;
437 
438 	ready = 0;
439 	error = ioctl(dev, DIOCTUR, &ready);
440 	if (error != 0 || ready == 0) {
441 		close(dev);
442 		return true;
443 	}
444 	error = ioctl(dev, DIOCGDINFO, &label);
445 	close(dev);
446 	if (error != 0)
447 		return true;
448 
449 	for (part = 0; part < label.d_npartitions; part++) {
450 
451 		if (label.d_partitions[part].p_fstype == FS_UNUSED
452 		    || label.d_partitions[part].p_size == 0)
453 			continue;
454 
455 		if (label.d_partitions[part].p_fstype == FS_ISO9660) {
456 			sess = label.d_partitions[part].p_cdsession;
457 			sprintf(dname, "/dev/r%s%c", device, 'a'+part);
458 			dev = open(dname, O_RDONLY, 0);
459 			if (dev == -1)
460 				continue;
461 			error = get_iso9660_volname(dev, sess, volname,
462 			    sizeof volname);
463 			close(dev);
464 			if (error)
465 				continue;
466 			sprintf(state->info->device_name,
467 			    "%s%c", device, 'a'+part);
468 			sprintf(state->info->menu, "%s (%s)",
469 			    state->info->device_name, volname);
470 		} else {
471 			/*
472 			 * All install CDs use partition
473 			 * a for the sets.
474 			 */
475 			if (part > 0)
476 				continue;
477 			sprintf(state->info->device_name,
478 			    "%s%c", device, 'a'+part);
479 			strcpy(state->info->menu, state->info->device_name);
480 		}
481 		state->info++;
482 		if (++state->count >= MAX_CD_INFOS)
483 			return false;
484 	}
485 
486 	return true;
487 }
488 
489 /*
490  * Get a list of all available CD media (not drives!), return
491  * the number of entries collected.
492  */
493 static int
494 get_available_cds(void)
495 {
496 	struct get_available_cds_state data;
497 
498 	data.info = cds;
499 	data.count = 0;
500 
501 	enumerate_disks(&data, get_available_cds_helper);
502 
503 	return data.count;
504 }
505 
506 static int
507 cd_has_sets(void)
508 {
509 	/* Mount it */
510 	if (run_program(RUN_SILENT, "/sbin/mount -rt cd9660 /dev/%s /mnt2",
511 	    cdrom_dev) != 0)
512 		return 0;
513 
514 	mnt2_mounted = 1;
515 
516 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "%s/%s", "/mnt2", set_dir_bin);
517 	snprintf(ext_dir_src, sizeof ext_dir_src, "%s/%s", "/mnt2", set_dir_src);
518 	return dir_exists_p(ext_dir_bin);
519 }
520 
521 /*
522  * Check whether we can remove the boot media.
523  * If it is not a local filesystem, return -1.
524  * If we can not decide for sure (can not tell MD content from plain ffs
525  * on hard disk, for example), return 0.
526  * If it is a CD/DVD, return 1.
527  */
528 int
529 boot_media_still_needed(void)
530 {
531 	struct statvfs sb;
532 
533 	if (statvfs("/", &sb) == 0) {
534 		if (!(sb.f_flag & ST_LOCAL))
535 			return -1;
536 		if (strcmp(sb.f_fstypename, MOUNT_CD9660) == 0
537 			   || strcmp(sb.f_fstypename, MOUNT_UDF) == 0)
538 			return 1;
539 	}
540 
541 	return 0;
542 }
543 
544 bool
545 root_is_read_only(void)
546 {
547 	struct statvfs sb;
548 
549 	if (statvfs("/", &sb) == 0)
550 		return sb.f_flag & ST_RDONLY;
551 
552 	return false;
553 }
554 
555 /*
556  * Get from a CDROM distribution.
557  * Also used on "installation using bootable install media"
558  * as the default option in the "distmedium" menu.
559  */
560 int
561 get_via_cdrom(void)
562 {
563 	menu_ent cd_menu[MAX_CD_INFOS];
564 	struct stat sb;
565 	int rv, num_cds, menu_cd, i, selected_cd = 0;
566 	bool silent = false;
567 	int mib[2];
568 	char rootdev[SSTRSIZE] = "";
569 	size_t varlen;
570 
571 	/* If root is not md(4) and we have set dir, skip this step. */
572 	mib[0] = CTL_KERN;
573 	mib[1] = KERN_ROOT_DEVICE;
574 	varlen = sizeof(rootdev);
575 	(void)sysctl(mib, 2, rootdev, &varlen, NULL, 0);
576 	if (stat(set_dir_bin, &sb) == 0 && S_ISDIR(sb.st_mode) &&
577 	    strncmp("md", rootdev, 2) != 0) {
578 	    	strlcpy(ext_dir_bin, set_dir_bin, sizeof ext_dir_bin);
579 	    	strlcpy(ext_dir_src, set_dir_src, sizeof ext_dir_src);
580 		return SET_OK;
581 	}
582 
583 	memset(cd_menu, 0, sizeof(cd_menu));
584 	num_cds = get_available_cds();
585 	if (num_cds <= 0) {
586 		silent = true;
587 	} else if (num_cds == 1) {
588 		/* single CD found, check for sets on it */
589 		strcpy(cdrom_dev, cds[0].device_name);
590 		if (cd_has_sets())
591 			return SET_OK;
592 	} else {
593 		for (i = 0; i< num_cds; i++) {
594 			cd_menu[i].opt_name = cds[i].menu;
595 			cd_menu[i].opt_flags = OPT_EXIT;
596 			cd_menu[i].opt_action = set_menu_select;
597 		}
598 		/* create a menu offering available choices */
599 		menu_cd = new_menu(MSG_Available_cds,
600 			cd_menu, num_cds, -1, 4, 0, 0,
601 			MC_SCROLL | MC_NOEXITOPT,
602 			NULL, NULL, NULL, NULL, NULL);
603 		if (menu_cd == -1)
604 			return SET_RETRY;
605 		msg_display(MSG_ask_cd);
606 		process_menu(menu_cd, &selected_cd);
607 		free_menu(menu_cd);
608 		strcpy(cdrom_dev, cds[selected_cd].device_name);
609 		if (cd_has_sets())
610 			return SET_OK;
611 	}
612 
613 	if (silent)
614 		msg_display("");
615 	else {
616 		umount_mnt2();
617 		hit_enter_to_continue(MSG_cd_path_not_found, NULL);
618 	}
619 
620 	/* ask for paths on the CD */
621 	rv = -1;
622 	process_menu(MENU_cdromsource, &rv);
623 	if (rv == SET_RETRY)
624 		return SET_RETRY;
625 
626 	if (cd_has_sets())
627 		return SET_OK;
628 
629 	return SET_RETRY;
630 }
631 
632 
633 /*
634  * Get from a pathname inside an unmounted local filesystem
635  * (e.g., where sets were preloaded onto a local DOS partition)
636  */
637 int
638 get_via_localfs(void)
639 {
640 	int rv = -1;
641 
642 	/* Get device, filesystem, and filepath */
643 	process_menu (MENU_localfssource, &rv);
644 	if (rv == SET_RETRY)
645 		return SET_RETRY;
646 
647 	/* Mount it */
648 	if (run_program(0, "/sbin/mount -rt %s /dev/%s /mnt2",
649 	    localfs_fs, localfs_dev))
650 		return SET_RETRY;
651 
652 	mnt2_mounted = 1;
653 
654 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "%s/%s/%s",
655 		"/mnt2", localfs_dir, set_dir_bin);
656 	snprintf(ext_dir_src, sizeof ext_dir_src, "%s/%s/%s",
657 		"/mnt2", localfs_dir, set_dir_src);
658 
659 	return SET_OK;
660 }
661 
662 /*
663  * Get from an already-mounted pathname.
664  */
665 
666 int
667 get_via_localdir(void)
668 {
669 	int rv = -1;
670 
671 	/* Get filepath */
672 	process_menu(MENU_localdirsource, &rv);
673 	if (rv == SET_RETRY)
674 		return SET_RETRY;
675 
676 	/*
677 	 * We have to have an absolute path ('cos pax runs in a
678 	 * different directory), make it so.
679 	 */
680 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "/%s/%s", localfs_dir, set_dir_bin);
681 	snprintf(ext_dir_src, sizeof ext_dir_src, "/%s/%s", localfs_dir, set_dir_src);
682 
683 	return SET_OK;
684 }
685 
686 
687 /*
688  * Support for custom distribution fetches / unpacks.
689  */
690 
691 unsigned int
692 set_X11_selected(void)
693 {
694 	int i;
695 
696 	for (i = SET_X11_FIRST; ++i < SET_X11_LAST;)
697 		if (set_status[i] & SET_SELECTED)
698 			return 1;
699 	return 0;
700 }
701 
702 unsigned int
703 get_kernel_set(void)
704 {
705 	int i;
706 
707 	for (i = SET_KERNEL_FIRST; ++i < SET_KERNEL_LAST;)
708 		if (set_status[i] & SET_SELECTED)
709 			return i;
710 	return SET_NONE;
711 }
712 
713 void
714 set_kernel_set(unsigned int kernel_set)
715 {
716 	int i;
717 
718 	/* only one kernel set is allowed */
719 	for (i = SET_KERNEL_FIRST; ++i < SET_KERNEL_LAST;)
720 		set_status[i] &= ~SET_SELECTED;
721 	set_status[kernel_set] |= SET_SELECTED;
722 }
723 
724 static int
725 set_toggle(menudesc *menu, void *arg)
726 {
727 	distinfo **distp = arg;
728 	int set = distp[menu->cursel]->set;
729 
730 	if (set > SET_KERNEL_FIRST && set < SET_KERNEL_LAST &&
731 	    !(set_status[set] & SET_SELECTED))
732 		set_kernel_set(set);
733 	else
734 		set_status[set] ^= SET_SELECTED;
735 	return 0;
736 }
737 
738 static int
739 set_all_none(menudesc *menu, void *arg, int set, int clr)
740 {
741 	distinfo **distp = arg;
742 	distinfo *dist = *distp;
743 	int nested;
744 
745 	for (nested = 0; dist->set != SET_GROUP_END || nested--; dist++) {
746 		if (dist->set == SET_GROUP) {
747 			nested++;
748 			continue;
749 		}
750 		set_status[dist->set] = (set_status[dist->set] & ~clr) | set;
751 	}
752 	return 0;
753 }
754 
755 static int
756 set_all(menudesc *menu, void *arg)
757 {
758 	return set_all_none(menu, arg, SET_SELECTED, 0);
759 }
760 
761 static int
762 set_none(menudesc *menu, void *arg)
763 {
764 	return set_all_none(menu, arg, 0, SET_SELECTED);
765 }
766 
767 static void
768 set_label(menudesc *menu, int opt, void *arg)
769 {
770 	distinfo **distp = arg;
771 	distinfo *dist = distp[opt];
772 	const char *selected;
773 	const char *desc;
774 	int nested;
775 
776 	desc = dist->desc;
777 
778 	if (dist->set != SET_GROUP)
779 		selected = set_status[dist->set] & SET_SELECTED ? msg_yes : msg_no;
780 	else {
781 		/* sub menu - display None/Some/All */
782 		nested = 0;
783 		selected = "unknown";
784 		while ((++dist)->set != SET_GROUP_END || nested--) {
785 			if (dist->set == SET_GROUP) {
786 				nested++;
787 				continue;
788 			}
789 			if (!(set_status[dist->set] & SET_VALID))
790 				continue;
791 			if (set_status[dist->set] & SET_SELECTED) {
792 				if (selected == msg_none) {
793 					selected = msg_some;
794 					break;
795 				}
796 				selected = msg_all;
797 			} else {
798 				if (selected == msg_all) {
799 					selected = msg_some;
800 					break;
801 				}
802 				selected = msg_none;
803 			}
804 		}
805 	}
806 
807 	wprintw(menu->mw, "%-30s %s", msg_string(desc), selected);
808 }
809 
810 static int set_sublist(menudesc *menu, void *arg);
811 
812 static int
813 initialise_set_menu(distinfo *dist, menu_ent *me, distinfo **de, int all_none)
814 {
815 	int set;
816 	int sets;
817 	int nested;
818 
819 	for (sets = 0; ; dist++) {
820 		set = dist->set;
821 		if (set == SET_LAST || set == SET_GROUP_END)
822 			break;
823 		if (!(set_status[set] & SET_VALID))
824 			continue;
825 		*de = dist;
826 		memset(me, 0, sizeof(*me));
827 		if (set != SET_GROUP)
828 			me->opt_action = set_toggle;
829 		else {
830 			/* Collapse sublist */
831 			nested = 0;
832 			while ((++dist)->set != SET_GROUP_END || nested--) {
833 				if (dist->set == SET_GROUP)
834 					nested++;
835 			}
836 			me->opt_action = set_sublist;
837 		}
838 		sets++;
839 		de++;
840 		me++;
841 	}
842 
843 	if (all_none) {
844 		me->opt_name = MSG_select_all;
845 		me->opt_action = set_all;
846 		me++;
847 		me->opt_name = MSG_select_none;
848 		me->opt_action = set_none;
849 		sets += 2;
850 	}
851 
852 	return sets;
853 }
854 
855 static int
856 set_sublist(menudesc *menu, void *arg)
857 {
858 	distinfo *de[SET_LAST];
859 	menu_ent me[SET_LAST];
860 	distinfo **dist = arg;
861 	int menu_no;
862 	int sets;
863 
864 	memset(me, 0, sizeof(me));
865 	sets = initialise_set_menu(dist[menu->cursel] + 1, me, de, 1);
866 
867 	menu_no = new_menu(NULL, me, sets, 20, 10, 0, select_menu_width,
868 		MC_SUBMENU | MC_SCROLL | MC_DFLTEXIT,
869 		NULL, set_label, NULL, NULL,
870 		MSG_install_selected_sets);
871 
872 	process_menu(menu_no, de);
873 	free_menu(menu_no);
874 
875 	return 0;
876 }
877 
878 void
879 customise_sets(void)
880 {
881 	distinfo *de[SET_LAST];
882 	menu_ent me[SET_LAST];
883 	int sets;
884 	int menu_no;
885 
886 	msg_display(MSG_cur_distsets);
887 	msg_table_add(MSG_cur_distsets_header);
888 
889 	memset(me, 0, sizeof(me));
890 	sets = initialise_set_menu(dist_list, me, de, 0);
891 
892 	menu_no = new_menu(NULL, me, sets, 0, 5, 0, select_menu_width,
893 		MC_SCROLL | MC_NOBOX | MC_DFLTEXIT | MC_NOCLEAR,
894 		NULL, set_label, NULL, NULL,
895 		MSG_install_selected_sets);
896 
897 	process_menu(menu_no, de);
898 	free_menu(menu_no);
899 }
900 
901 /*
902  * Extract_file **REQUIRES** an absolute path in ext_dir.  Any code
903  * that sets up xfer_dir for use by extract_file needs to put in the
904  * full path name to the directory.
905  */
906 
907 int
908 extract_file(distinfo *dist, int update)
909 {
910 	char path[STRSIZE];
911 	char *owd;
912 	int   rval;
913 
914 	/* If we might need to tidy up, ensure directory exists */
915 	if (fetch_fn != NULL)
916 		make_target_dir(xfer_dir);
917 
918 	(void)snprintf(path, sizeof path, "%s/%s%s",
919 	    ext_dir_for_set(dist->name), dist->name, set_postfix(dist->name));
920 
921 	owd = getcwd(NULL, 0);
922 
923 	/* Do we need to fetch the file now? */
924 	if (fetch_fn != NULL) {
925 		rval = fetch_fn(dist->name);
926 		if (rval != SET_OK)
927 			return rval;
928 	}
929 
930 	/* check tarfile exists */
931 	if (!file_exists_p(path)) {
932 
933 #ifdef SUPPORT_8_3_SOURCE_FILESYSTEM
934 		/*
935 		 * Update path to use dist->name truncated to the first eight
936 		 * characters and check again
937 		 */
938 		(void)snprintf(path, sizeof path,
939 		    "%s/%.8s%.4s", /* 4 as includes '.' */
940 		    ext_dir_for_set(dist->name), dist->name,
941 		    set_postfix(dist->name));
942 
943 		if (!file_exists_p(path)) {
944 #endif /* SUPPORT_8_3_SOURCE_FILESYSTEM */
945 			tarstats.nnotfound++;
946 
947 			char *err = str_arg_subst(msg_string(MSG_notarfile),
948 			    1, &dist->name);
949 			hit_enter_to_continue(err, NULL);
950 			free(err);
951 			free(owd);
952 			return SET_RETRY;
953 		}
954 #ifdef SUPPORT_8_3_SOURCE_FILESYSTEM
955 	}
956 #endif /* SUPPORT_8_3_SOURCE_FILESYSTEM */
957 
958 	tarstats.nfound++;
959 	/* cd to the target root. */
960 	if (update && (dist->set == SET_ETC || dist->set == SET_X11_ETC)) {
961 		make_target_dir("/.sysinst");
962 		target_chdir_or_die("/.sysinst");
963 	} else if (dist->set == SET_PKGSRC)
964 		target_chdir_or_die("/usr");
965 	else
966 		target_chdir_or_die("/");
967 
968 	/*
969 	 * /usr/X11R7/lib/X11/xkb/symbols/pc was a directory in 5.0
970 	 * but is a file in 5.1 and beyond, so on upgrades we need to
971 	 * delete it before extracting the xbase set.
972 	 */
973 	if (update && dist->set == SET_X11_BASE)
974 		run_program(0, "rm -rf usr/X11R7/lib/X11/xkb/symbols/pc");
975 
976 	/* now extract set files into "./". */
977 	rval = run_program(RUN_DISPLAY | RUN_PROGRESS,
978 			"progress -zf %s tar --chroot "
979 			TAR_EXTRACT_FLAGS " -", path);
980 
981 	chdir(owd);
982 	free(owd);
983 
984 	/* Check rval for errors and give warning. */
985 	if (rval != 0) {
986 		tarstats.nerror++;
987 		msg_fmt_display(MSG_tarerror, "%s", path);
988 		hit_enter_to_continue(NULL, NULL);
989 		return SET_RETRY;
990 	}
991 
992 	if (fetch_fn != NULL && clean_xfer_dir) {
993 		run_program(0, "rm %s", path);
994 		/* Plausibly we should unlink an empty xfer_dir as well */
995 	}
996 
997 	set_status[dist->set] |= SET_INSTALLED;
998 	tarstats.nsuccess++;
999 	return SET_OK;
1000 }
1001 
1002 static void
1003 skip_set(distinfo *dist, int skip_type)
1004 {
1005 	int nested;
1006 	int set;
1007 
1008 	nested = 0;
1009 	while ((++dist)->set != SET_GROUP_END || nested--) {
1010 		set = dist->set;
1011 		if (set == SET_GROUP) {
1012 			nested++;
1013 			continue;
1014 		}
1015 		if (set == SET_LAST)
1016 			break;
1017 		if (set_status[set] == (SET_SELECTED | SET_VALID))
1018 			set_status[set] |= SET_SKIPPED;
1019 		tarstats.nskipped++;
1020 	}
1021 }
1022 
1023 /*
1024  * Get and unpack the distribution.
1025  * Show success_msg if installation completes.
1026  * Otherwise show failure_msg and wait for the user to ack it before continuing.
1027  * success_msg and failure_msg must both be 0-adic messages.
1028  */
1029 int
1030 get_and_unpack_sets(int update, msg setupdone_msg, msg success_msg, msg failure_msg)
1031 {
1032 	distinfo *dist;
1033 	int status;
1034 	int set;
1035 
1036 	/* Ensure mountpoint for distribution files exists in current root. */
1037 	(void)mkdir("/mnt2", S_IRWXU| S_IRGRP|S_IXGRP | S_IROTH|S_IXOTH);
1038 	if (script)
1039 		(void)fprintf(script, "mkdir -m 755 /mnt2\n");
1040 
1041 	/* reset failure/success counters */
1042 	memset(&tarstats, 0, sizeof(tarstats));
1043 
1044 	/* Find out which files to "get" if we get files. */
1045 
1046 	/* Accurately count selected sets */
1047 	for (dist = dist_list; (set = dist->set) != SET_LAST; dist++) {
1048 		if (dist->name == NULL)
1049 			continue;
1050 		if ((set_status[set] & (SET_VALID | SET_SELECTED))
1051 		    == (SET_VALID | SET_SELECTED))
1052 			tarstats.nselected++;
1053 	}
1054 
1055 	status = SET_RETRY;
1056 	for (dist = dist_list; (set = dist->set) != SET_LAST; dist++) {
1057 		if (dist->name == NULL)
1058 			continue;
1059 		if (set_status[set] != (SET_VALID | SET_SELECTED))
1060 			continue;
1061 
1062 		if (status != SET_OK) {
1063 			/* This might force a redraw.... */
1064 			clearok(curscr, 1);
1065 			touchwin(stdscr);
1066 			wrefresh(stdscr);
1067 			/* Sort out the location of the set files */
1068 			do {
1069 				umount_mnt2();
1070 				msg_fmt_display(MSG_distmedium, "%d%d%s",
1071 				    tarstats.nselected,
1072 				    tarstats.nsuccess + tarstats.nskipped,
1073 				    dist->name);
1074 				fetch_fn = NULL;
1075 				process_menu(MENU_distmedium, &status);
1076 			} while (status == SET_RETRY);
1077 
1078 			if (status == SET_SKIP) {
1079 				set_status[set] |= SET_SKIPPED;
1080 				tarstats.nskipped++;
1081 				continue;
1082 			}
1083 			if (status == SET_SKIP_GROUP) {
1084 				skip_set(dist, status);
1085 				continue;
1086 			}
1087 			if (status != SET_OK) {
1088 				hit_enter_to_continue(failure_msg, NULL);
1089 				return 1;
1090 			}
1091 		}
1092 
1093 		/* Try to extract this set */
1094 		status = extract_file(dist, update);
1095 		if (status == SET_RETRY)
1096 			dist--;
1097 	}
1098 
1099 	if (tarstats.nerror == 0 && tarstats.nsuccess == tarstats.nselected) {
1100 		msg_display(MSG_endtarok);
1101 		/* Give user a chance to see the success message */
1102 		sleep(1);
1103 	} else {
1104 		/* We encountered errors. Let the user know. */
1105 		msg_fmt_display(MSG_endtar, "%d%d%d%d%d%d",
1106 		    tarstats.nselected, tarstats.nnotfound, tarstats.nskipped,
1107 		    tarstats.nfound, tarstats.nsuccess, tarstats.nerror);
1108 		hit_enter_to_continue(NULL, NULL);
1109 	}
1110 
1111 	/*
1112 	 * postinstall needs to be run after extracting all sets, because
1113 	 * otherwise /var/db/obsolete will only have current information
1114 	 * from the base, comp, and etc sets.
1115 	 */
1116 	if (update && (set_status[SET_ETC] & SET_INSTALLED)) {
1117 		int oldsendmail;
1118 		oldsendmail = run_program(RUN_DISPLAY | RUN_CHROOT |
1119 					  RUN_ERROR_OK | RUN_PROGRESS,
1120 					  "/usr/sbin/postinstall -s /.sysinst -d / check mailerconf");
1121 		if (oldsendmail == 1) {
1122 			msg_display(MSG_oldsendmail);
1123 			if (ask_yesno(NULL)) {
1124 				run_program(RUN_DISPLAY | RUN_CHROOT,
1125 					    "/usr/sbin/postinstall -s /.sysinst -d / fix mailerconf");
1126 			}
1127 		}
1128 		run_program(RUN_DISPLAY | RUN_CHROOT,
1129 			"/usr/sbin/postinstall -s /.sysinst -d / fix");
1130 
1131 		/* Don't discard the system's old entropy if any */
1132 		run_program(RUN_CHROOT | RUN_SILENT,
1133 			    "/etc/rc.d/random_seed start");
1134 	}
1135 
1136 	/* Configure the system */
1137 	if (set_status[SET_BASE] & SET_INSTALLED)
1138 		run_makedev();
1139 
1140 	if (!update) {
1141 		struct stat sb1, sb2;
1142 
1143 		if (stat(target_expand("/"), &sb1) == 0
1144 		    && stat(target_expand("/var"), &sb2) == 0
1145 		    && sb1.st_dev != sb2.st_dev) {
1146 			add_rc_conf("random_file=/etc/entropy-file\n");
1147 			if (target_file_exists_p("/boot.cfg")) {
1148 				run_program(RUN_CHROOT|RUN_FATAL,
1149 					    "sh -c 'sed -e s./var/db/./etc/. "
1150 					    "< /boot.cfg "
1151 					    "> /tmp/boot.cfg.tmp'");
1152 				mv_within_target_or_die("/tmp/boot.cfg.tmp",
1153 							"/boot.cfg");
1154 
1155 			}
1156 		}
1157 
1158 #ifdef MD_BOOT_CFG_FINALIZE
1159 		if (target_file_exists_p("/boot.cfg")) {
1160 			MD_BOOT_CFG_FINALIZE("/boot.cfg");
1161 		}
1162 #endif
1163 
1164 		/* Save keyboard type */
1165 		save_kb_encoding();
1166 
1167 		/* Other configuration. */
1168 		mnt_net_config();
1169 	}
1170 
1171 	/* Mounted dist dir? */
1172 	umount_mnt2();
1173 
1174 	/* Save entropy -- on some systems it's ~all we'll ever get */
1175 	run_program(RUN_DISPLAY | RUN_CHROOT | RUN_FATAL | RUN_PROGRESS,
1176 		    "/etc/rc.d/random_seed stop");
1177 	/* Install/Upgrade complete ... reboot or exit to script */
1178 	hit_enter_to_continue(success_msg, NULL);
1179 	return 0;
1180 }
1181 
1182 void
1183 umount_mnt2(void)
1184 {
1185 	if (!mnt2_mounted)
1186 		return;
1187 	run_program(RUN_SILENT, "/sbin/umount /mnt2");
1188 	mnt2_mounted = 0;
1189 }
1190 
1191 
1192 /*
1193  * Do a quick sanity check that  the target can reboot.
1194  * return 1 if everything OK, 0 if there is a problem.
1195  * Uses a table of files we expect to find after a base install/upgrade.
1196  */
1197 
1198 /* test flag and pathname to check for after unpacking. */
1199 struct check_table { unsigned int mode; const char *path;} checks[] = {
1200   { S_IFREG, "/netbsd" },
1201   { S_IFDIR, "/etc" },
1202   { S_IFREG, "/etc/fstab" },
1203   { S_IFREG, "/sbin/init" },
1204   { S_IFREG, "/bin/sh" },
1205   { S_IFREG, "/etc/rc" },
1206   { S_IFREG, "/etc/rc.subr" },
1207   { S_IFREG, "/etc/rc.conf" },
1208   { S_IFDIR, "/dev" },
1209   { S_IFCHR, "/dev/console" },
1210 /* XXX check for rootdev in target /dev? */
1211   { S_IFREG, "/sbin/fsck" },
1212   { S_IFREG, "/sbin/fsck_ffs" },
1213   { S_IFREG, "/sbin/mount" },
1214   { S_IFREG, "/sbin/mount_ffs" },
1215   { S_IFREG, "/sbin/mount_nfs" },
1216 #if defined(DEBUG) || defined(DEBUG_CHECK)
1217   { S_IFREG, "/foo/bar" },		/* bad entry to exercise warning */
1218 #endif
1219   { 0, 0 }
1220 
1221 };
1222 
1223 /*
1224  * Check target for a single file.
1225  */
1226 static int
1227 check_for(unsigned int mode, const char *pathname)
1228 {
1229 	int found;
1230 
1231 	found = (target_test(mode, pathname) == 0);
1232 	if (found == 0)
1233 		msg_fmt_display(MSG_rootmissing, "%s", pathname);
1234 	return found;
1235 }
1236 
1237 /*
1238  * Check that all the files in check_table are present in the
1239  * target root. Warn if not found.
1240  */
1241 int
1242 sanity_check(void)
1243 {
1244 	int target_ok = 1;
1245 	struct check_table *p;
1246 
1247 	for (p = checks; p->path; p++) {
1248 		target_ok = target_ok && check_for(p->mode, p->path);
1249 	}
1250 	if (target_ok)
1251 		return 0;
1252 
1253 	/* Uh, oh. Something's missing. */
1254 	hit_enter_to_continue(MSG_badroot, NULL);
1255 	return 1;
1256 }
1257 
1258 /*
1259  * Some globals to pass things back from callbacks
1260  */
1261 static char zoneinfo_dir[STRSIZE];
1262 static int zonerootlen;
1263 static char *tz_selected;	/* timezonename (relative to share/zoneinfo */
1264 const char *tz_default;		/* UTC, or whatever /etc/localtime points to */
1265 static char tz_env[STRSIZE];
1266 static int save_cursel, save_topline;
1267 
1268 /*
1269  * Callback from timezone menu
1270  */
1271 static int
1272 set_tz_select(menudesc *m, void *arg)
1273 {
1274 	time_t t;
1275 	char *new;
1276 	struct tm *tm;
1277 
1278 	if (m && strcmp(tz_selected, m->opts[m->cursel].opt_name) != 0) {
1279 		/* Change the displayed timezone */
1280 		new = strdup(m->opts[m->cursel].opt_name);
1281 		if (new == NULL)
1282 			return 0;
1283 		free(tz_selected);
1284 		tz_selected = new;
1285 		snprintf(tz_env, sizeof tz_env, "%.*s%s",
1286 			 zonerootlen, zoneinfo_dir, tz_selected);
1287 		setenv("TZ", tz_env, 1);
1288 	}
1289 	if (m)
1290 		/* Warp curser to 'Exit' line on menu */
1291 		m->cursel = -1;
1292 
1293 	/* Update displayed time */
1294 	t = time(NULL);
1295 	tm = localtime(&t);
1296 	msg_fmt_display(MSG_choose_timezone, "%s%s%s%s",
1297 		    tz_default, tz_selected, safectime(&t), tm ? tm->tm_zone :
1298 		    "?");
1299 	return 0;
1300 }
1301 
1302 static int
1303 set_tz_back(menudesc *m, void *arg)
1304 {
1305 
1306 	zoneinfo_dir[zonerootlen] = 0;
1307 	m->cursel = save_cursel;
1308 	m->topline = save_topline;
1309 	return 0;
1310 }
1311 
1312 static int
1313 set_tz_dir(menudesc *m, void *arg)
1314 {
1315 
1316 	strlcpy(zoneinfo_dir + zonerootlen, m->opts[m->cursel].opt_name,
1317 		sizeof zoneinfo_dir - zonerootlen);
1318 	save_cursel = m->cursel;
1319 	save_topline = m->topline;
1320 	m->cursel = 0;
1321 	m->topline = 0;
1322 	return 0;
1323 }
1324 
1325 /*
1326  * Alarm-handler to update example-display
1327  */
1328 static void
1329 /*ARGSUSED*/
1330 timezone_sig(int sig)
1331 {
1332 
1333 	set_tz_select(NULL, NULL);
1334 	alarm(60);
1335 }
1336 
1337 static int
1338 tz_sort(const void *a, const void *b)
1339 {
1340 	return strcmp(((const menu_ent *)a)->opt_name, ((const menu_ent *)b)->opt_name);
1341 }
1342 
1343 static void
1344 tzm_set_names(menudesc *m, void *arg)
1345 {
1346 	DIR *dir;
1347 	struct dirent *dp;
1348 	static int nfiles;
1349 	static int maxfiles = 32;
1350 	static menu_ent *tz_menu;
1351 	static char **tz_names;
1352 	void *p;
1353 	int maxfname;
1354 	char *fp;
1355 	struct stat sb;
1356 
1357 	if (tz_menu == NULL)
1358 		tz_menu = calloc(maxfiles, sizeof *tz_menu);
1359 	if (tz_names == NULL)
1360 		tz_names = malloc(maxfiles * sizeof *tz_names);
1361 	if (tz_menu == NULL || tz_names == NULL)
1362 		return;	/* error - skip timezone setting */
1363 	while (nfiles > 0)
1364 		free(tz_names[--nfiles]);
1365 
1366 	dir = opendir(zoneinfo_dir);
1367 	fp = strchr(zoneinfo_dir, 0);
1368 	if (fp != zoneinfo_dir + zonerootlen) {
1369 		tz_names[0] = 0;
1370 		tz_menu[0].opt_name = msg_string(MSG_tz_back);
1371 		tz_menu[0].opt_action = set_tz_back;
1372 		nfiles = 1;
1373 	}
1374 	maxfname = zoneinfo_dir + sizeof zoneinfo_dir - fp - 1;
1375 	if (dir != NULL) {
1376 		while ((dp = readdir(dir)) != NULL) {
1377 			if (dp->d_namlen > maxfname || dp->d_name[0] == '.')
1378 				continue;
1379 			strlcpy(fp, dp->d_name, maxfname);
1380 			if (stat(zoneinfo_dir, &sb) == -1)
1381 				continue;
1382 			if (nfiles >= maxfiles) {
1383 				p = realloc(tz_menu,
1384 				    2 * maxfiles * sizeof *tz_menu);
1385 				if (p == NULL)
1386 					break;
1387 				tz_menu = p;
1388 				memset(tz_menu + maxfiles, 0,
1389 				    maxfiles * sizeof *tz_menu);
1390 				p = realloc(tz_names,
1391 				    2 * maxfiles * sizeof *tz_names);
1392 				if (p == NULL)
1393 					break;
1394 				tz_names = p;
1395 				memset(tz_names + maxfiles, 0,
1396 				    maxfiles * sizeof *tz_names);
1397 				maxfiles *= 2;
1398 			}
1399 			if (S_ISREG(sb.st_mode))
1400 				tz_menu[nfiles].opt_action = set_tz_select;
1401 			else if (S_ISDIR(sb.st_mode)) {
1402 				tz_menu[nfiles].opt_action = set_tz_dir;
1403 				strlcat(fp, "/",
1404 				    sizeof(zoneinfo_dir) - (fp - zoneinfo_dir));
1405 			} else
1406 				continue;
1407 			tz_names[nfiles] = strdup(zoneinfo_dir + zonerootlen);
1408 			tz_menu[nfiles].opt_name = tz_names[nfiles];
1409 			nfiles++;
1410 		}
1411 		closedir(dir);
1412 	}
1413 	*fp = 0;
1414 
1415 	m->opts = tz_menu;
1416 	m->numopts = nfiles;
1417 	qsort(tz_menu, nfiles, sizeof *tz_menu, tz_sort);
1418 }
1419 
1420 void
1421 get_tz_default(void)
1422 {
1423 	char localtime_link[STRSIZE];
1424 	static char localtime_target[STRSIZE];
1425 	int rc;
1426 
1427 	strlcpy(localtime_link, target_expand("/etc/localtime"),
1428 	    sizeof localtime_link);
1429 
1430 	/* Add sanity check that /mnt/usr/share/zoneinfo contains
1431 	 * something useful
1432 	 */
1433 
1434 	rc = readlink(localtime_link, localtime_target,
1435 		      sizeof(localtime_target) - 1);
1436 	if (rc < 0) {
1437 		/* error, default to UTC */
1438 		tz_default = "UTC";
1439 	} else {
1440 		localtime_target[rc] = '\0';
1441 		tz_default = strchr(strstr(localtime_target, "zoneinfo"), '/') + 1;
1442 	}
1443 }
1444 
1445 /*
1446  * Choose from the files in usr/share/zoneinfo and set etc/localtime
1447  */
1448 int
1449 set_timezone(void)
1450 {
1451 	char localtime_link[STRSIZE];
1452 	char localtime_target[STRSIZE];
1453 	time_t t;
1454 	struct tm *tm;
1455 	int menu_no;
1456 
1457 	strlcpy(zoneinfo_dir, target_expand("/usr/share/zoneinfo/"),
1458 	    sizeof zoneinfo_dir - 1);
1459 	zonerootlen = strlen(zoneinfo_dir);
1460 
1461 	get_tz_default();
1462 
1463 	tz_selected = strdup(tz_default);
1464 	snprintf(tz_env, sizeof(tz_env), "%s%s", zoneinfo_dir, tz_selected);
1465 	setenv("TZ", tz_env, 1);
1466 	t = time(NULL);
1467 	tm = localtime(&t);
1468 	msg_fmt_display(MSG_choose_timezone, "%s%s%s%s",
1469 	    tz_default, tz_selected, safectime(&t), tm ? tm->tm_zone : "?");
1470 
1471 	signal(SIGALRM, timezone_sig);
1472 	alarm(60);
1473 
1474 	menu_no = new_menu(NULL, NULL, 14, 23, 9,
1475 			   12, 32, MC_ALWAYS_SCROLL | MC_NOSHORTCUT,
1476 			   tzm_set_names, NULL, NULL,
1477 			   "\nPlease consult the install documents.",
1478 			   MSG_exit_menu_generic);
1479 	if (menu_no < 0)
1480 		goto done;	/* error - skip timezone setting */
1481 
1482 	process_menu(menu_no, NULL);
1483 
1484 	free_menu(menu_no);
1485 
1486 	signal(SIGALRM, SIG_IGN);
1487 
1488 	snprintf(localtime_target, sizeof(localtime_target),
1489 		 "/usr/share/zoneinfo/%s", tz_selected);
1490 	strlcpy(localtime_link, target_expand("/etc/localtime"),
1491 	    sizeof localtime_link);
1492 	unlink(localtime_link);
1493 	symlink(localtime_target, localtime_link);
1494 
1495 done:
1496 	return 1;
1497 }
1498 
1499 void
1500 scripting_vfprintf(FILE *f, const char *fmt, va_list ap)
1501 {
1502 	va_list ap2;
1503 
1504 	va_copy(ap2, ap);
1505 	if (f)
1506 		(void)vfprintf(f, fmt, ap);
1507 	if (script)
1508 		(void)vfprintf(script, fmt, ap2);
1509 }
1510 
1511 void
1512 scripting_fprintf(FILE *f, const char *fmt, ...)
1513 {
1514 	va_list ap;
1515 
1516 	va_start(ap, fmt);
1517 	scripting_vfprintf(f, fmt, ap);
1518 	va_end(ap);
1519 }
1520 
1521 void
1522 add_rc_conf(const char *fmt, ...)
1523 {
1524 	FILE *f;
1525 	va_list ap;
1526 
1527 	va_start(ap, fmt);
1528 	f = target_fopen("/etc/rc.conf", "a");
1529 	if (f != 0) {
1530 		scripting_fprintf(NULL, "cat <<EOF >>%s/etc/rc.conf\n",
1531 		    target_prefix());
1532 		scripting_vfprintf(f, fmt, ap);
1533 		fclose(f);
1534 		scripting_fprintf(NULL, "EOF\n");
1535 	}
1536 	va_end(ap);
1537 }
1538 
1539 int
1540 del_rc_conf(const char *value)
1541 {
1542 	FILE *fp, *nfp;
1543 	char buf[4096]; /* Ridiculously high, but should be enough in any way */
1544 	char *rcconf, *tempname = NULL, *bakname = NULL;
1545 	char *cp;
1546 	int done = 0;
1547 	int fd;
1548 	int retval = 0;
1549 
1550 	/* The paths might seem strange, but using /tmp would require copy instead
1551 	 * of rename operations. */
1552 	if (asprintf(&rcconf, "%s", target_expand("/etc/rc.conf")) < 0
1553 			|| asprintf(&tempname, "%s", target_expand("/etc/rc.conf.tmp.XXXXXX")) < 0
1554 			|| asprintf(&bakname, "%s", target_expand("/etc/rc.conf.bak.XXXXXX")) < 0) {
1555 		if (rcconf)
1556 			free(rcconf);
1557 		if (tempname)
1558 			free(tempname);
1559 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1560 		hit_enter_to_continue(NULL, NULL);
1561 		return -1;
1562 	}
1563 
1564 	if ((fd = mkstemp(bakname)) < 0) {
1565 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1566 		hit_enter_to_continue(NULL, NULL);
1567 		return -1;
1568 	}
1569 	close(fd);
1570 
1571 	if (!(fp = fopen(rcconf, "r+")) || (fd = mkstemp(tempname)) < 0) {
1572 		if (fp)
1573 			fclose(fp);
1574 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1575 		hit_enter_to_continue(NULL, NULL);
1576 		return -1;
1577 	}
1578 
1579 	nfp = fdopen(fd, "w");
1580 	if (!nfp) {
1581 		fclose(fp);
1582 		close(fd);
1583 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1584 		hit_enter_to_continue(NULL, NULL);
1585 		return -1;
1586 	}
1587 
1588 	while (fgets(buf, sizeof buf, fp) != NULL) {
1589 
1590 		cp = buf + strspn(buf, " \t"); /* Skip initial spaces */
1591 		if (strncmp(cp, value, strlen(value)) == 0) {
1592 			cp += strlen(value);
1593 			if (*cp != '=')
1594 				scripting_fprintf(nfp, "%s", buf);
1595 			else
1596 				done = 1;
1597 		} else {
1598 			scripting_fprintf(nfp, "%s", buf);
1599 		}
1600 	}
1601 	fclose(fp);
1602 	fclose(nfp);
1603 
1604 	if (done) {
1605 		if (rename(rcconf, bakname)) {
1606 			msg_display(MSG_rcconf_backup_failed);
1607 			if (!ask_noyes(NULL)) {
1608 				retval = -1;
1609 				goto done;
1610 			}
1611 		}
1612 
1613 		if (rename(tempname, rcconf)) {
1614 			if (rename(bakname, rcconf)) {
1615 				hit_enter_to_continue(MSG_rcconf_restore_failed,
1616 				    NULL);
1617 			} else {
1618 				hit_enter_to_continue(MSG_rcconf_delete_failed,
1619 				    NULL);
1620 			}
1621 		} else {
1622 			(void)unlink(bakname);
1623 		}
1624 	}
1625 
1626 done:
1627 	(void)unlink(tempname);
1628 	free(rcconf);
1629 	free(tempname);
1630 	free(bakname);
1631 	return retval;
1632 }
1633 
1634 void
1635 add_sysctl_conf(const char *fmt, ...)
1636 {
1637 	FILE *f;
1638 	va_list ap;
1639 
1640 	va_start(ap, fmt);
1641 	f = target_fopen("/etc/sysctl.conf", "a");
1642 	if (f != 0) {
1643 		scripting_fprintf(NULL, "cat <<EOF >>%s/etc/sysctl.conf\n",
1644 		    target_prefix());
1645 		scripting_vfprintf(f, fmt, ap);
1646 		fclose(f);
1647 		scripting_fprintf(NULL, "EOF\n");
1648 	}
1649 	va_end(ap);
1650 }
1651 
1652 void
1653 enable_rc_conf(void)
1654 {
1655 
1656 	replace("/etc/rc.conf", "s/^rc_configured=NO/rc_configured=YES/");
1657 }
1658 
1659 int
1660 check_lfs_progs(void)
1661 {
1662 
1663 #ifndef NO_LFS
1664 	return binary_available("fsck_lfs") && binary_available("mount_lfs")
1665 	    && binary_available("newfs_lfs");
1666 #else
1667 	return 0;
1668 #endif
1669 }
1670 
1671 int
1672 set_is_source(const char *set_name) {
1673 	int len = strlen(set_name);
1674 	return len >= 3 && memcmp(set_name + len - 3, "src", 3) == 0;
1675 }
1676 
1677 const char *
1678 set_dir_for_set(const char *set_name) {
1679 	if (strcmp(set_name, "pkgsrc") == 0)
1680 		return pkgsrc_dir;
1681 	return set_is_source(set_name) ? set_dir_src : set_dir_bin;
1682 }
1683 
1684 const char *
1685 ext_dir_for_set(const char *set_name) {
1686 	if (strcmp(set_name, "pkgsrc") == 0)
1687 		return ext_dir_pkgsrc;
1688 	return set_is_source(set_name) ? ext_dir_src : ext_dir_bin;
1689 }
1690 
1691 void
1692 do_coloring(unsigned int fg, unsigned int bg) {
1693 	if (bg > COLOR_WHITE)
1694 		bg = COLOR_BLUE;
1695 	if (fg > COLOR_WHITE)
1696 		fg = COLOR_WHITE;
1697 	if (fg != bg && has_colors()) {
1698 		init_pair(1, fg, bg);
1699 		wbkgd(stdscr, COLOR_PAIR(1));
1700 		wbkgd(mainwin, COLOR_PAIR(1));
1701 		wattrset(stdscr, COLOR_PAIR(1));
1702 		wattrset(mainwin, COLOR_PAIR(1));
1703 	}
1704 	/* redraw screen */
1705 	touchwin(stdscr);
1706 	touchwin(mainwin);
1707 	wrefresh(stdscr);
1708 	wrefresh(mainwin);
1709 	return;
1710 }
1711 
1712 int
1713 set_menu_select(menudesc *m, void *arg)
1714 {
1715 	*(int *)arg = m->cursel;
1716 	return 1;
1717 }
1718 
1719 /*
1720  * check wether a binary is available somewhere in PATH,
1721  * return 1 if found, 0 if not.
1722  */
1723 static int
1724 binary_available(const char *prog)
1725 {
1726         char *p, tmp[MAXPATHLEN], *path = getenv("PATH"), *opath;
1727 
1728         if (path == NULL)
1729                 return access(prog, X_OK) == 0;
1730         path = strdup(path);
1731         if (path == NULL)
1732                 return 0;
1733 
1734 	opath = path;
1735 
1736         while ((p = strsep(&path, ":")) != NULL) {
1737                 if (strlcpy(tmp, p, MAXPATHLEN) >= MAXPATHLEN)
1738                         continue;
1739                 if (strlcat(tmp, "/", MAXPATHLEN) >= MAXPATHLEN)
1740                         continue;
1741                 if (strlcat(tmp, prog, MAXPATHLEN) >= MAXPATHLEN)
1742                         continue;
1743                 if (access(tmp, X_OK) == 0) {
1744                         free(opath);
1745                         return 1;
1746                 }
1747         }
1748         free(opath);
1749         return 0;
1750 }
1751 
1752 const char *
1753 safectime(time_t *t)
1754 {
1755 	const char *s = ctime(t);
1756 	if (s != NULL)
1757 		return s;
1758 
1759 	// Debugging.
1760 	fprintf(stderr, "Can't convert to localtime 0x%jx (%s)\n",
1761 	    (intmax_t)*t, strerror(errno));
1762 	      /*123456789012345678901234*/
1763 	return "preposterous clock time\n";
1764 }
1765 
1766 int
1767 ask_yesno(const char* msgtxt)
1768 {
1769 	arg_rv p;
1770 
1771 	p.arg = __UNCONST(msgtxt);
1772 	p.rv = -1;
1773 
1774 	process_menu(MENU_yesno, &p);
1775 	return p.rv;
1776 }
1777 
1778 int
1779 ask_noyes(const char *msgtxt)
1780 {
1781 	arg_rv p;
1782 
1783 	p.arg = __UNCONST(msgtxt);
1784 	p.rv = -1;
1785 
1786 	process_menu(MENU_noyes, &p);
1787 	return p.rv;
1788 }
1789 
1790 int
1791 ask_reedit(const struct disk_partitions *parts)
1792 {
1793 	const char *args[2];
1794 	arg_rep_int arg;
1795 
1796 	args[0] = msg_string(parts->pscheme->name);
1797 	args[1] = msg_string(parts->pscheme->short_name);
1798 	arg.args.argv = args;
1799 	arg.args.argc = 2;
1800 	arg.rv = 0;
1801 	process_menu(MENU_reedit, &arg);
1802 
1803 	return arg.rv;
1804 }
1805 
1806 bool
1807 use_tgz_for_set(const char *set_name)
1808 {
1809 	const struct distinfo *dist;
1810 
1811 	for (dist = dist_list; dist->set != SET_LAST; dist++) {
1812 		if (dist->name == NULL)
1813 			continue;
1814 		if (strcmp(set_name, dist->name) == 0)
1815 			return dist->force_tgz;
1816 	}
1817 
1818 	return true;
1819 }
1820 
1821 /* Return the postfix used for a given set */
1822 const char *
1823 set_postfix(const char *set_name)
1824 {
1825 	return use_tgz_for_set(set_name) ? dist_tgz_postfix : dist_postfix;
1826 }
1827 
1828 /*
1829  * Replace positional arguments (encoded as $0 .. $N) in the string
1830  * passed by the contents of the passed argument array.
1831  * Caller must free() the result string.
1832  */
1833 char*
1834 str_arg_subst(const char *src, size_t argc, const char **argv)
1835 {
1836 	const char *p, *last;
1837 	char *out, *t;
1838 	size_t len;
1839 
1840 	len = strlen(src);
1841 	for (p = strchr(src, '$'); p; p = strchr(p+1, '$')) {
1842 		char *endp = NULL;
1843 		size_t n;
1844 		int e;
1845 
1846 		/* $ followed by a correct numeric position? */
1847 		n = strtou(p+1, &endp, 10, 0, INT_MAX, &e);
1848 		if ((e == 0 || e == ENOTSUP) && n < argc) {
1849 			len += strlen(argv[n]);
1850 			len -= endp-p;
1851 			p = endp-1;
1852 		}
1853 	}
1854 
1855 	out = malloc(len+1);
1856 	if (out == NULL)
1857 		return NULL;
1858 
1859 	t = out;
1860 	for (last = src, p = strchr(src, '$'); p; p = strchr(p+1, '$')) {
1861 		char *endp = NULL;
1862 		size_t n;
1863 		int e;
1864 
1865 		/* $ followed by a correct numeric position? */
1866 		n = strtou(p+1, &endp, 10, 0, INT_MAX, &e);
1867 		if ((e == 0 || e == ENOTSUP) && n < argc) {
1868 			size_t l = p-last;
1869 			memcpy(t, last, l);
1870 			t += l;
1871 			strcpy(t, argv[n]);
1872 			t += strlen(argv[n]);
1873 			last = endp;
1874 		}
1875 	}
1876 	if (*last) {
1877 		strcpy(t, last);
1878 		t += strlen(last);
1879 	} else {
1880 		*t = 0;
1881 	}
1882 	assert((size_t)(t-out) == len);
1883 
1884 	return out;
1885 }
1886 
1887 /*
1888  * Does this string have any positional args that need expanding?
1889  */
1890 bool
1891 needs_expanding(const char *src, size_t argc)
1892 {
1893 	const char *p;
1894 
1895 	for (p = strchr(src, '$'); p; p = strchr(p+1, '$')) {
1896 		char *endp = NULL;
1897 		size_t n;
1898 		int e;
1899 
1900 		/* $ followed by a correct numeric position? */
1901 		n = strtou(p+1, &endp, 10, 0, INT_MAX, &e);
1902 		if ((e == 0 || e == ENOTSUP) && n < argc)
1903 			return true;
1904 	}
1905 	return false;
1906 }
1907 
1908 /*
1909  * Replace positional arguments (encoded as $0 .. $N) in the
1910  * message by the strings passed as ... and call outfunc
1911  * with the result.
1912  */
1913 static void
1914 msg_display_subst_internal(void (*outfunc)(msg),
1915     const char *master, size_t argc, va_list ap)
1916 {
1917 	const char **args, **arg;
1918 	char *out;
1919 
1920 	args = calloc(argc, sizeof(*args));
1921 	if (args == NULL)
1922 		return;
1923 
1924 	arg = args;
1925 	for (size_t i = 0; i < argc; i++)
1926 		*arg++ = va_arg(ap, const char*);
1927 
1928 	out = str_arg_subst(msg_string(master), argc, args);
1929 	if (out != NULL) {
1930 		outfunc(out);
1931 		free(out);
1932 	}
1933 	free(args);
1934 }
1935 
1936 /*
1937  * Replace positional arguments (encoded as $0 .. $N) in the
1938  * message by the strings passed as ...
1939  */
1940 void
1941 msg_display_subst(const char *master, size_t argc, ...)
1942 {
1943 	va_list ap;
1944 
1945 	va_start(ap, argc);
1946 	msg_display_subst_internal(msg_display, master, argc, ap);
1947 	va_end(ap);
1948 }
1949 
1950 /*
1951  * Same as above, but add to message instead of starting a new one
1952  */
1953 void
1954 msg_display_add_subst(const char *master, size_t argc, ...)
1955 {
1956 	va_list ap;
1957 
1958 	va_start(ap, argc);
1959 	msg_display_subst_internal(msg_display_add, master, argc, ap);
1960 	va_end(ap);
1961 }
1962 
1963 /* initialize have_* variables */
1964 void
1965 check_available_binaries()
1966 {
1967 	static int did_test = false;
1968 
1969 	if (did_test) return;
1970 	did_test = 1;
1971 
1972 	have_raid = binary_available("raidctl");
1973 	have_vnd = binary_available("vndconfig");
1974 	have_cgd = binary_available("cgdconfig");
1975 	have_lvm = binary_available("lvm");
1976 	have_gpt = binary_available("gpt");
1977 	have_dk = binary_available("dkctl");
1978 }
1979 
1980 /*
1981  * Wait for enter and immediately clear the screen after user response
1982  * (in case some longer action follows, so the user has instant feedback)
1983  */
1984 void
1985 hit_enter_to_continue(const char *prompt, const char *title)
1986 {
1987 	if (prompt != NULL)
1988 		msg_display(prompt);
1989         process_menu(MENU_ok, __UNCONST(title));
1990 	msg_clear();
1991 	wrefresh(mainwin);
1992 }
1993 
1994 /*
1995  * On auto pilot:
1996  * convert an existing set of partitions ot a list of part_usage_info
1997  * so that we "want" exactly what is there already.
1998  */
1999 static bool
2000 usage_info_list_from_parts(struct part_usage_info **list, size_t *count,
2001     struct disk_partitions *parts)
2002 {
2003 	struct disk_part_info info;
2004 	part_id pno;
2005 	size_t no, num;
2006 
2007 	num = 0;
2008 	for (pno = 0; pno < parts->num_part; pno++) {
2009 		if (!parts->pscheme->get_part_info(parts, pno, &info))
2010 			continue;
2011 		num++;
2012 	}
2013 
2014 	*list = calloc(num, sizeof(**list));
2015 	if (*list == NULL)
2016 		return false;
2017 
2018 	*count = num;
2019 	for (no = pno = 0; pno < parts->num_part && no < num; pno++) {
2020 		if (!parts->pscheme->get_part_info(parts, pno, &info))
2021 			continue;
2022 		(*list)[no].size = info.size;
2023 		if (info.last_mounted != NULL && *info.last_mounted != 0) {
2024 			strlcpy((*list)[no].mount, info.last_mounted,
2025 			    sizeof((*list)[no].mount));
2026 			(*list)[no].instflags |= PUIINST_MOUNT;
2027 		}
2028 		(*list)[no].parts = parts;
2029 		(*list)[no].cur_part_id = pno;
2030 		(*list)[no].cur_start = info.start;
2031 		(*list)[no].cur_flags = info.flags;
2032 		(*list)[no].type = info.nat_type->generic_ptype;
2033 		if ((*list)[no].type == PT_swap) {
2034 			(*list)[no].fs_type = FS_SWAP;
2035 			(*list)[no].fs_version = 0;
2036 		} else {
2037 			(*list)[no].fs_type = info.fs_type;
2038 			(*list)[no].fs_version = info.fs_sub_type;
2039 		}
2040 		no++;
2041 	}
2042 	return true;
2043 }
2044 
2045 bool
2046 usage_set_from_parts(struct partition_usage_set *wanted,
2047     struct disk_partitions *parts)
2048 {
2049 	memset(wanted, 0, sizeof(*wanted));
2050 	wanted->parts = parts;
2051 
2052 	return usage_info_list_from_parts(&wanted->infos, &wanted->num, parts);
2053 }
2054 
2055 struct disk_partitions *
2056 get_inner_parts(struct disk_partitions *parts)
2057 {
2058 	daddr_t start, size;
2059 	part_id pno;
2060 	struct disk_part_info info;
2061 
2062 	if (parts->pscheme->secondary_scheme == NULL)
2063 		return NULL;
2064 
2065 	start = -1;
2066 	size = -1;
2067 	if (parts->pscheme->guess_install_target == NULL ||
2068 	    !parts->pscheme->guess_install_target(parts, &start, &size)) {
2069 		for (pno = 0; pno < parts->num_part; pno++) {
2070 			if (!parts->pscheme->get_part_info(parts, pno, &info))
2071 				continue;
2072 			if (!(info.flags & PTI_SEC_CONTAINER))
2073 				continue;
2074 			start = info.start;
2075 			size = info.size;
2076 		}
2077 	}
2078 
2079 	if (size > 0)
2080 		return parts->pscheme->secondary_partitions(parts, start,
2081 		    false);
2082 
2083 	return NULL;
2084 }
2085 
2086 bool
2087 install_desc_from_parts(struct install_partition_desc *install,
2088     struct disk_partitions *parts)
2089 {
2090 	struct disk_partitions *inner_parts;
2091 
2092 	memset(install, 0, sizeof(*install));
2093 	inner_parts = get_inner_parts(parts);
2094 	if (inner_parts != NULL)
2095 		parts = inner_parts;
2096 
2097 	return usage_info_list_from_parts(&install->infos, &install->num,
2098 	    parts);
2099 }
2100 
2101 void
2102 free_usage_set(struct partition_usage_set *wanted)
2103 {
2104 	/* XXX - free parts? free clone src? */
2105 	free(wanted->menu_opts);
2106 	free(wanted->infos);
2107 }
2108 
2109 void
2110 free_install_desc(struct install_partition_desc *install)
2111 {
2112 #ifndef NO_CLONES
2113 	size_t i, j;
2114 
2115 	for (i = 0; i < install->num; i++) {
2116 		struct selected_partitions *src = install->infos[i].clone_src;
2117 		if (!(install->infos[i].flags & PUIFLG_CLONE_PARTS) ||
2118 		    src == NULL)
2119 			continue;
2120 		free_selected_partitions(src);
2121 		for (j = i+1; j < install->num; j++)
2122 			if (install->infos[j].clone_src == src)
2123 				install->infos[j].clone_src = NULL;
2124 	}
2125 #endif
2126 	free(install->infos);
2127 }
2128 
2129