xref: /netbsd-src/usr.sbin/sysinst/util.c (revision d3d2abdc28a790079ac0d9b337b15bd97b65d751)
1 /*	$NetBSD: util.c,v 1.28 2019/07/21 12:23:18 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 	{"tests",		SET_TESTS,		false, MSG_set_tests, NULL},
121 	{"text",		SET_TEXT_TOOLS,		false, MSG_set_text_tools, NULL},
122 
123 	{NULL,			SET_GROUP,		false, MSG_set_X11, NULL},
124 	{"xbase",		SET_X11_BASE,		false, MSG_set_X11_base, NULL},
125 	{"xcomp",		SET_X11_PROG,		false, MSG_set_X11_prog, NULL},
126 	{"xetc",		SET_X11_ETC,		false, MSG_set_X11_etc, NULL},
127 	{"xfont",		SET_X11_FONTS,		false, MSG_set_X11_fonts, NULL},
128 	{"xserver",		SET_X11_SERVERS,	false, MSG_set_X11_servers, NULL},
129 	{NULL,			SET_GROUP_END,		false, NULL, NULL},
130 
131 #ifdef SET_MD_1_NAME
132 	{SET_MD_1_NAME,		SET_MD_1,		false, MSG_set_md_1, NULL},
133 #endif
134 #ifdef SET_MD_2_NAME
135 	{SET_MD_2_NAME,		SET_MD_2,		false, MSG_set_md_2, NULL},
136 #endif
137 #ifdef SET_MD_3_NAME
138 	{SET_MD_3_NAME,		SET_MD_3,		false, MSG_set_md_3, NULL},
139 #endif
140 #ifdef SET_MD_4_NAME
141 	{SET_MD_4_NAME,		SET_MD_4,		false, MSG_set_md_4, NULL},
142 #endif
143 
144 	{NULL,			SET_GROUP,		true, MSG_set_source, NULL},
145 	{"syssrc",		SET_SYSSRC,		true, MSG_set_syssrc, NULL},
146 	{"src",			SET_SRC,		true, MSG_set_src, NULL},
147 	{"sharesrc",		SET_SHARESRC,		true, MSG_set_sharesrc, NULL},
148 	{"gnusrc",		SET_GNUSRC,		true, MSG_set_gnusrc, NULL},
149 	{"xsrc",		SET_XSRC,		true, MSG_set_xsrc, NULL},
150 	{"debug",		SET_DEBUG,		false, MSG_set_debug, NULL},
151 	{"xdebug",		SET_X11_DEBUG,		false, MSG_set_xdebug, NULL},
152 	{NULL,			SET_GROUP_END,		false, NULL, NULL},
153 
154 	{NULL,			SET_LAST,		false, NULL, NULL},
155 };
156 
157 #define MAX_CD_INFOS	16	/* how many media can be found? */
158 struct cd_info {
159 	char device_name[16];
160 	char menu[100];
161 };
162 static struct cd_info cds[MAX_CD_INFOS];
163 
164 /* flags whether to offer the respective options (depending on helper
165    programs available on install media */
166 int have_raid, have_vnd, have_cgd, have_lvm, have_gpt, have_dk;
167 
168 /*
169  * local prototypes
170  */
171 
172 static int check_for(unsigned int mode, const char *pathname);
173 static int get_iso9660_volname(int dev, int sess, char *volname);
174 static int get_available_cds(void);
175 static int binary_available(const char *prog);
176 
177 void
178 init_set_status(int flags)
179 {
180 	static const uint8_t sets_valid[] = {MD_SETS_VALID};
181 	static const uint8_t sets_selected_full[] = {MD_SETS_SELECTED};
182 	static const uint8_t sets_selected_minimal[] = {MD_SETS_SELECTED_MINIMAL};
183 	static const uint8_t sets_selected_nox[] = {MD_SETS_SELECTED_NOX};
184 	static const uint8_t *sets_selected;
185 	unsigned int nelem_selected;
186 	unsigned int i, len;
187 	const char *longest;
188 
189 	if (flags & SFLAG_MINIMAL) {
190 		sets_selected = sets_selected_minimal;
191 		nelem_selected = __arraycount(sets_selected_minimal);
192 	} else if (flags & SFLAG_NOX) {
193 		sets_selected = sets_selected_nox;
194 		nelem_selected = __arraycount(sets_selected_nox);
195 	} else {
196 		sets_selected = sets_selected_full;
197 		nelem_selected = __arraycount(sets_selected_full);
198 	}
199 
200 	for (i = 0; i < __arraycount(sets_valid); i++)
201 		set_status[sets_valid[i]] = SET_VALID;
202 	for (i = 0; i < nelem_selected; i++)
203 		set_status[sets_selected[i]] |= SET_SELECTED;
204 
205 	set_status[SET_GROUP] = SET_VALID;
206 
207 	/* Lookup some strings we need lots of times */
208 	msg_yes = msg_string(MSG_Yes);
209 	msg_no = msg_string(MSG_No);
210 	msg_all = msg_string(MSG_All);
211 	msg_some = msg_string(MSG_Some);
212 	msg_none = msg_string(MSG_None);
213 
214 	/* Find longest and use it to determine width of selection menu */
215 	len = strlen(msg_no); longest = msg_no;
216 	i = strlen(msg_yes); if (i > len) {len = i; longest = msg_yes; }
217 	i = strlen(msg_all); if (i > len) {len = i; longest = msg_all; }
218 	i = strlen(msg_some); if (i > len) {len = i; longest = msg_some; }
219 	i = strlen(msg_none); if (i > len) {len = i; longest = msg_none; }
220 	select_menu_width = snprintf(NULL, 0, "%-30s %s", "", longest);
221 
222 	/* Give the md code a chance to choose the right kernel, etc. */
223 	md_init_set_status(flags);
224 }
225 
226 int
227 dir_exists_p(const char *path)
228 {
229 
230 	return file_mode_match(path, S_IFDIR);
231 }
232 
233 int
234 file_exists_p(const char *path)
235 {
236 
237 	return file_mode_match(path, S_IFREG);
238 }
239 
240 int
241 file_mode_match(const char *path, unsigned int mode)
242 {
243 	struct stat st;
244 
245 	return (stat(path, &st) == 0 && (st.st_mode & S_IFMT) == mode);
246 }
247 
248 /* return ram size in MB */
249 uint64_t
250 get_ramsize(void)
251 {
252 	uint64_t ramsize;
253 	size_t len = sizeof ramsize;
254 	int mib[2] = {CTL_HW, HW_PHYSMEM64};
255 
256 	sysctl(mib, 2, &ramsize, &len, NULL, 0);
257 
258 	/* Find out how many Megs ... round up. */
259 	return (ramsize + MEG - 1) / MEG;
260 }
261 
262 void
263 run_makedev(void)
264 {
265 	char *owd;
266 
267 	msg_display_add("\n\n");
268 	msg_display_add(MSG_makedev);
269 
270 	owd = getcwd(NULL, 0);
271 
272 	/* make /dev, in case the user  didn't extract it. */
273 	make_target_dir("/dev");
274 	target_chdir_or_die("/dev");
275 	run_program(0, "/bin/sh MAKEDEV all");
276 
277 	chdir(owd);
278 	free(owd);
279 }
280 
281 /*
282  * Performs in-place replacement of a set of patterns in a file that lives
283  * inside the installed system.  The patterns must be separated by a semicolon.
284  * For example:
285  *
286  * replace("/etc/some-file.conf", "s/prop1=NO/prop1=YES/;s/foo/bar/");
287  */
288 void
289 replace(const char *path, const char *patterns, ...)
290 {
291 	char *spatterns;
292 	va_list ap;
293 
294 	va_start(ap, patterns);
295 	vasprintf(&spatterns, patterns, ap);
296 	va_end(ap);
297 	if (spatterns == NULL)
298 		err(1, "vasprintf(&spatterns, \"%s\", ...)", patterns);
299 
300 	run_program(RUN_CHROOT, "sed -an -e '%s;H;$!d;g;w %s' %s", spatterns,
301 	    path, path);
302 
303 	free(spatterns);
304 }
305 
306 static int
307 floppy_fetch(const char *set_name)
308 {
309 	char post[4];
310 	msg errmsg;
311 	int menu;
312 	int status;
313 	const char *write_mode = ">";
314 
315 	strcpy(post, "aa");
316 
317 	errmsg = "";
318 	menu = MENU_fdok;
319 	for (;;) {
320 		umount_mnt2();
321 		msg_display(errmsg);
322 		msg_fmt_display_add(MSG_fdmount, "%s%s", set_name, post);
323 		process_menu(menu, &status);
324 		if (status != SET_CONTINUE)
325 			return status;
326 		menu = MENU_fdremount;
327 		errmsg = MSG_fdremount;
328 		if (run_program(0, "/sbin/mount -r -t %s %s /mnt2",
329 							fd_type, fd_dev))
330 			continue;
331 		mnt2_mounted = 1;
332 		errmsg = MSG_fdnotfound;
333 
334 		/* Display this because it might take a while.... */
335 		if (run_program(RUN_DISPLAY,
336 			    "sh -c '/bin/cat /mnt2/%s.%s %s %s/%s/%s%s'",
337 			    set_name, post, write_mode,
338 			    target_prefix(), xfer_dir, set_name,
339 			    set_postfix(set_name)))
340 			/* XXX: a read error will give a corrupt file! */
341 			continue;
342 
343 		/* We got that file, advance to next fragment */
344 		if (post[1] < 'z')
345 			post[1]++;
346 		else
347 			post[1] = 'a', post[0]++;
348 		write_mode = ">>";
349 		errmsg = "";
350 		menu = MENU_fdok;
351 	}
352 }
353 
354 /*
355  * Load files from floppy.  Requires a /mnt2 directory for mounting them.
356  */
357 int
358 get_via_floppy(void)
359 {
360 	int rv = -1;
361 
362 	process_menu(MENU_floppysource, &rv);
363 	if (rv == SET_RETRY)
364 		return SET_RETRY;
365 
366 	fetch_fn = floppy_fetch;
367 
368 	/* Set ext_dir for absolute path. */
369 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "%s/%s", target_prefix(), xfer_dir);
370 	snprintf(ext_dir_src, sizeof ext_dir_src, "%s/%s", target_prefix(), xfer_dir);
371 
372 	return SET_OK;
373 }
374 
375 /*
376  * Get the volume name of a ISO9660 file system
377  */
378 static int
379 get_iso9660_volname(int dev, int sess, char *volname)
380 {
381 	int blkno, error, last;
382 	char buf[ISO_BLKSIZE];
383 	struct iso_volume_descriptor *vd = NULL;
384 	struct iso_primary_descriptor *pd = NULL;
385 
386 	for (blkno = sess+16; blkno < sess+16+100; blkno++) {
387 		error = pread(dev, buf, ISO_BLKSIZE, blkno*ISO_BLKSIZE);
388 		if (error == -1)
389 			return -1;
390 		vd = (struct iso_volume_descriptor *)&buf;
391 		if (memcmp(vd->id, ISO_STANDARD_ID, sizeof(vd->id)) != 0)
392 			return -1;
393 		if (isonum_711((const unsigned char *)&vd->type)
394 		     == ISO_VD_PRIMARY) {
395 			pd = (struct iso_primary_descriptor*)buf;
396 			strncpy(volname, pd->volume_id, sizeof pd->volume_id);
397 			last = sizeof pd->volume_id-1;
398 			while (last >= 0
399 			    && (volname[last] == ' ' || volname[last] == 0))
400 				last--;
401 			volname[last+1] = 0;
402 			return 0;
403 		}
404 	}
405 	return -1;
406 }
407 
408 /*
409  * Local state while iterating CDs and collecting volumes
410  */
411 struct get_available_cds_state {
412 	struct cd_info *info;
413 	size_t count;
414 };
415 
416 /*
417  * Callback function: if this is a CD, enumerate all volumes on it
418  */
419 static bool
420 get_available_cds_helper(void *arg, const char *device)
421 {
422 	struct get_available_cds_state *state = arg;
423 	char dname[16], volname[80];
424 	struct disklabel label;
425 	int part, dev, error, sess, ready;
426 
427 	if (!is_cdrom_device(device, false))
428 		return true;
429 
430 	sprintf(dname, "/dev/r%s%c", device, 'a'+RAW_PART);
431 	dev = open(dname, O_RDONLY, 0);
432 	if (dev == -1)
433 		return true;
434 
435 	ready = 0;
436 	error = ioctl(dev, DIOCTUR, &ready);
437 	if (error != 0 || ready == 0) {
438 		close(dev);
439 		return true;
440 	}
441 	error = ioctl(dev, DIOCGDINFO, &label);
442 	close(dev);
443 	if (error != 0)
444 		return true;
445 
446 	for (part = 0; part < label.d_npartitions; part++) {
447 
448 		if (label.d_partitions[part].p_fstype == FS_UNUSED
449 		    || label.d_partitions[part].p_size == 0)
450 			continue;
451 
452 		if (label.d_partitions[part].p_fstype == FS_ISO9660) {
453 			sess = label.d_partitions[part].p_cdsession;
454 			sprintf(dname, "/dev/r%s%c", device, 'a'+part);
455 			dev = open(dname, O_RDONLY, 0);
456 			if (dev == -1)
457 				continue;
458 			error = get_iso9660_volname(dev, sess, volname);
459 			close(dev);
460 			if (error)
461 				continue;
462 			sprintf(state->info->device_name,
463 			    "%s%c", device, 'a'+part);
464 			sprintf(state->info->menu, "%s (%s)",
465 			    state->info->device_name, volname);
466 		} else {
467 			/*
468 			 * All install CDs use partition
469 			 * a for the sets.
470 			 */
471 			if (part > 0)
472 				continue;
473 			sprintf(state->info->device_name,
474 			    "%s%c", device, 'a'+part);
475 			strcpy(state->info->menu, state->info->device_name);
476 		}
477 		state->info++;
478 		if (++state->count >= MAX_CD_INFOS)
479 			return false;
480 	}
481 
482 	return true;
483 }
484 
485 /*
486  * Get a list of all available CD media (not drives!), return
487  * the number of entries collected.
488  */
489 static int
490 get_available_cds(void)
491 {
492 	struct get_available_cds_state data;
493 
494 	data.info = cds;
495 	data.count = 0;
496 
497 	enumerate_disks(&data, get_available_cds_helper);
498 
499 	return data.count;
500 }
501 
502 static int
503 cd_has_sets(void)
504 {
505 	/* Mount it */
506 	if (run_program(RUN_SILENT, "/sbin/mount -rt cd9660 /dev/%s /mnt2",
507 	    cdrom_dev) != 0)
508 		return 0;
509 
510 	mnt2_mounted = 1;
511 
512 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "%s/%s", "/mnt2", set_dir_bin);
513 	snprintf(ext_dir_src, sizeof ext_dir_src, "%s/%s", "/mnt2", set_dir_src);
514 	return dir_exists_p(ext_dir_bin);
515 }
516 
517 /*
518  * Check whether we can remove the boot media.
519  * If it is not a local filesystem, return -1.
520  * If we can not decide for sure (can not tell MD content from plain ffs
521  * on hard disk, for example), return 0.
522  * If it is a CD/DVD, return 1.
523  */
524 int
525 boot_media_still_needed(void)
526 {
527 	struct statvfs sb;
528 
529 	if (statvfs("/", &sb) == 0) {
530 		if (!(sb.f_flag & ST_LOCAL))
531 			return -1;
532 		if (strcmp(sb.f_fstypename, MOUNT_CD9660) == 0
533 			   || strcmp(sb.f_fstypename, MOUNT_UDF) == 0)
534 			return 1;
535 	}
536 
537 	return 0;
538 }
539 
540 /*
541  * Get from a CDROM distribution.
542  * Also used on "installation using bootable install media"
543  * as the default option in the "distmedium" menu.
544  */
545 int
546 get_via_cdrom(void)
547 {
548 	menu_ent cd_menu[MAX_CD_INFOS];
549 	struct stat sb;
550 	int rv, num_cds, menu_cd, i, selected_cd = 0;
551 	bool silent = false;
552 	int mib[2];
553 	char rootdev[SSTRSIZE] = "";
554 	size_t varlen;
555 
556 	/* If root is not md(4) and we have set dir, skip this step. */
557 	mib[0] = CTL_KERN;
558 	mib[1] = KERN_ROOT_DEVICE;
559 	varlen = sizeof(rootdev);
560 	(void)sysctl(mib, 2, rootdev, &varlen, NULL, 0);
561 	if (stat(set_dir_bin, &sb) == 0 && S_ISDIR(sb.st_mode) &&
562 	    strncmp("md", rootdev, 2) != 0) {
563 	    	strlcpy(ext_dir_bin, set_dir_bin, sizeof ext_dir_bin);
564 	    	strlcpy(ext_dir_src, set_dir_src, sizeof ext_dir_src);
565 		return SET_OK;
566 	}
567 
568 	memset(cd_menu, 0, sizeof(cd_menu));
569 	num_cds = get_available_cds();
570 	if (num_cds <= 0) {
571 		silent = true;
572 	} else if (num_cds == 1) {
573 		/* single CD found, check for sets on it */
574 		strcpy(cdrom_dev, cds[0].device_name);
575 		if (cd_has_sets())
576 			return SET_OK;
577 	} else {
578 		for (i = 0; i< num_cds; i++) {
579 			cd_menu[i].opt_name = cds[i].menu;
580 			cd_menu[i].opt_flags = OPT_EXIT;
581 			cd_menu[i].opt_action = set_menu_select;
582 		}
583 		/* create a menu offering available choices */
584 		menu_cd = new_menu(MSG_Available_cds,
585 			cd_menu, num_cds, -1, 4, 0, 0,
586 			MC_SCROLL | MC_NOEXITOPT,
587 			NULL, NULL, NULL, NULL, NULL);
588 		if (menu_cd == -1)
589 			return SET_RETRY;
590 		msg_display(MSG_ask_cd);
591 		process_menu(menu_cd, &selected_cd);
592 		free_menu(menu_cd);
593 		strcpy(cdrom_dev, cds[selected_cd].device_name);
594 		if (cd_has_sets())
595 			return SET_OK;
596 	}
597 
598 	if (silent)
599 		msg_display("");
600 	else {
601 		umount_mnt2();
602 		hit_enter_to_continue(MSG_cd_path_not_found, NULL);
603 	}
604 
605 	/* ask for paths on the CD */
606 	rv = -1;
607 	process_menu(MENU_cdromsource, &rv);
608 	if (rv == SET_RETRY)
609 		return SET_RETRY;
610 
611 	if (cd_has_sets())
612 		return SET_OK;
613 
614 	return SET_RETRY;
615 }
616 
617 
618 /*
619  * Get from a pathname inside an unmounted local filesystem
620  * (e.g., where sets were preloaded onto a local DOS partition)
621  */
622 int
623 get_via_localfs(void)
624 {
625 	int rv = -1;
626 
627 	/* Get device, filesystem, and filepath */
628 	process_menu (MENU_localfssource, &rv);
629 	if (rv == SET_RETRY)
630 		return SET_RETRY;
631 
632 	/* Mount it */
633 	if (run_program(0, "/sbin/mount -rt %s /dev/%s /mnt2",
634 	    localfs_fs, localfs_dev))
635 		return SET_RETRY;
636 
637 	mnt2_mounted = 1;
638 
639 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "%s/%s/%s",
640 		"/mnt2", localfs_dir, set_dir_bin);
641 	snprintf(ext_dir_src, sizeof ext_dir_src, "%s/%s/%s",
642 		"/mnt2", localfs_dir, set_dir_src);
643 
644 	return SET_OK;
645 }
646 
647 /*
648  * Get from an already-mounted pathname.
649  */
650 
651 int
652 get_via_localdir(void)
653 {
654 	int rv = -1;
655 
656 	/* Get filepath */
657 	process_menu(MENU_localdirsource, &rv);
658 	if (rv == SET_RETRY)
659 		return SET_RETRY;
660 
661 	/*
662 	 * We have to have an absolute path ('cos pax runs in a
663 	 * different directory), make it so.
664 	 */
665 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "/%s/%s", localfs_dir, set_dir_bin);
666 	snprintf(ext_dir_src, sizeof ext_dir_src, "/%s/%s", localfs_dir, set_dir_src);
667 
668 	return SET_OK;
669 }
670 
671 
672 /*
673  * Support for custom distribution fetches / unpacks.
674  */
675 
676 unsigned int
677 set_X11_selected(void)
678 {
679 	int i;
680 
681 	for (i = SET_X11_FIRST; ++i < SET_X11_LAST;)
682 		if (set_status[i] & SET_SELECTED)
683 			return 1;
684 	return 0;
685 }
686 
687 unsigned int
688 get_kernel_set(void)
689 {
690 	int i;
691 
692 	for (i = SET_KERNEL_FIRST; ++i < SET_KERNEL_LAST;)
693 		if (set_status[i] & SET_SELECTED)
694 			return i;
695 	return SET_NONE;
696 }
697 
698 void
699 set_kernel_set(unsigned int kernel_set)
700 {
701 	int i;
702 
703 	/* only one kernel set is allowed */
704 	for (i = SET_KERNEL_FIRST; ++i < SET_KERNEL_LAST;)
705 		set_status[i] &= ~SET_SELECTED;
706 	set_status[kernel_set] |= SET_SELECTED;
707 }
708 
709 static int
710 set_toggle(menudesc *menu, void *arg)
711 {
712 	distinfo **distp = arg;
713 	int set = distp[menu->cursel]->set;
714 
715 	if (set > SET_KERNEL_FIRST && set < SET_KERNEL_LAST &&
716 	    !(set_status[set] & SET_SELECTED))
717 		set_kernel_set(set);
718 	else
719 		set_status[set] ^= SET_SELECTED;
720 	return 0;
721 }
722 
723 static int
724 set_all_none(menudesc *menu, void *arg, int set, int clr)
725 {
726 	distinfo **distp = arg;
727 	distinfo *dist = *distp;
728 	int nested;
729 
730 	for (nested = 0; dist->set != SET_GROUP_END || nested--; dist++) {
731 		if (dist->set == SET_GROUP) {
732 			nested++;
733 			continue;
734 		}
735 		set_status[dist->set] = (set_status[dist->set] & ~clr) | set;
736 	}
737 	return 0;
738 }
739 
740 static int
741 set_all(menudesc *menu, void *arg)
742 {
743 	return set_all_none(menu, arg, SET_SELECTED, 0);
744 }
745 
746 static int
747 set_none(menudesc *menu, void *arg)
748 {
749 	return set_all_none(menu, arg, 0, SET_SELECTED);
750 }
751 
752 static void
753 set_label(menudesc *menu, int opt, void *arg)
754 {
755 	distinfo **distp = arg;
756 	distinfo *dist = distp[opt];
757 	const char *selected;
758 	const char *desc;
759 	int nested;
760 
761 	desc = dist->desc;
762 
763 	if (dist->set != SET_GROUP)
764 		selected = set_status[dist->set] & SET_SELECTED ? msg_yes : msg_no;
765 	else {
766 		/* sub menu - display None/Some/All */
767 		nested = 0;
768 		selected = "unknown";
769 		while ((++dist)->set != SET_GROUP_END || nested--) {
770 			if (dist->set == SET_GROUP) {
771 				nested++;
772 				continue;
773 			}
774 			if (!(set_status[dist->set] & SET_VALID))
775 				continue;
776 			if (set_status[dist->set] & SET_SELECTED) {
777 				if (selected == msg_none) {
778 					selected = msg_some;
779 					break;
780 				}
781 				selected = msg_all;
782 			} else {
783 				if (selected == msg_all) {
784 					selected = msg_some;
785 					break;
786 				}
787 				selected = msg_none;
788 			}
789 		}
790 	}
791 
792 	wprintw(menu->mw, "%-30s %s", msg_string(desc), selected);
793 }
794 
795 static int set_sublist(menudesc *menu, void *arg);
796 
797 static int
798 initialise_set_menu(distinfo *dist, menu_ent *me, distinfo **de, int all_none)
799 {
800 	int set;
801 	int sets;
802 	int nested;
803 
804 	for (sets = 0; ; dist++) {
805 		set = dist->set;
806 		if (set == SET_LAST || set == SET_GROUP_END)
807 			break;
808 		if (!(set_status[set] & SET_VALID))
809 			continue;
810 		*de = dist;
811 		memset(me, 0, sizeof(*me));
812 		if (set != SET_GROUP)
813 			me->opt_action = set_toggle;
814 		else {
815 			/* Collapse sublist */
816 			nested = 0;
817 			while ((++dist)->set != SET_GROUP_END || nested--) {
818 				if (dist->set == SET_GROUP)
819 					nested++;
820 			}
821 			me->opt_action = set_sublist;
822 		}
823 		sets++;
824 		de++;
825 		me++;
826 	}
827 
828 	if (all_none) {
829 		me->opt_name = MSG_select_all;
830 		me->opt_action = set_all;
831 		me++;
832 		me->opt_name = MSG_select_none;
833 		me->opt_action = set_none;
834 		sets += 2;
835 	}
836 
837 	return sets;
838 }
839 
840 static int
841 set_sublist(menudesc *menu, void *arg)
842 {
843 	distinfo *de[SET_LAST];
844 	menu_ent me[SET_LAST];
845 	distinfo **dist = arg;
846 	int menu_no;
847 	int sets;
848 
849 	memset(me, 0, sizeof(me));
850 	sets = initialise_set_menu(dist[menu->cursel] + 1, me, de, 1);
851 
852 	menu_no = new_menu(NULL, me, sets, 20, 10, 0, select_menu_width,
853 		MC_SUBMENU | MC_SCROLL | MC_DFLTEXIT,
854 		NULL, set_label, NULL, NULL,
855 		MSG_install_selected_sets);
856 
857 	process_menu(menu_no, de);
858 	free_menu(menu_no);
859 
860 	return 0;
861 }
862 
863 void
864 customise_sets(void)
865 {
866 	distinfo *de[SET_LAST];
867 	menu_ent me[SET_LAST];
868 	int sets;
869 	int menu_no;
870 
871 	msg_display(MSG_cur_distsets);
872 	msg_table_add(MSG_cur_distsets_header);
873 
874 	memset(me, 0, sizeof(me));
875 	sets = initialise_set_menu(dist_list, me, de, 0);
876 
877 	menu_no = new_menu(NULL, me, sets, 0, 5, 0, select_menu_width,
878 		MC_SCROLL | MC_NOBOX | MC_DFLTEXIT | MC_NOCLEAR,
879 		NULL, set_label, NULL, NULL,
880 		MSG_install_selected_sets);
881 
882 	process_menu(menu_no, de);
883 	free_menu(menu_no);
884 }
885 
886 /*
887  * Extract_file **REQUIRES** an absolute path in ext_dir.  Any code
888  * that sets up xfer_dir for use by extract_file needs to put in the
889  * full path name to the directory.
890  */
891 
892 int
893 extract_file(distinfo *dist, int update)
894 {
895 	char path[STRSIZE];
896 	char *owd;
897 	int   rval;
898 
899 	/* If we might need to tidy up, ensure directory exists */
900 	if (fetch_fn != NULL)
901 		make_target_dir(xfer_dir);
902 
903 	(void)snprintf(path, sizeof path, "%s/%s%s",
904 	    ext_dir_for_set(dist->name), dist->name, set_postfix(dist->name));
905 
906 	owd = getcwd(NULL, 0);
907 
908 	/* Do we need to fetch the file now? */
909 	if (fetch_fn != NULL) {
910 		rval = fetch_fn(dist->name);
911 		if (rval != SET_OK)
912 			return rval;
913 	}
914 
915 	/* check tarfile exists */
916 	if (!file_exists_p(path)) {
917 
918 #ifdef SUPPORT_8_3_SOURCE_FILESYSTEM
919 	/*
920 	 * Update path to use dist->name truncated to the first eight
921 	 * characters and check again
922 	 */
923 	(void)snprintf(path, sizeof path, "%s/%.8s%.4s", /* 4 as includes '.' */
924 	    ext_dir_for_set(dist->name), dist->name, set_postfix(dist->name));
925 		if (!file_exists_p(path)) {
926 #endif /* SUPPORT_8_3_SOURCE_FILESYSTEM */
927 
928 		tarstats.nnotfound++;
929 
930 		hit_enter_to_continue(MSG_notarfile, NULL);
931 		return SET_RETRY;
932 	}
933 #ifdef SUPPORT_8_3_SOURCE_FILESYSTEM
934 	}
935 #endif /* SUPPORT_8_3_SOURCE_FILESYSTEM */
936 
937 	tarstats.nfound++;
938 	/* cd to the target root. */
939 	if (update && (dist->set == SET_ETC || dist->set == SET_X11_ETC)) {
940 		make_target_dir("/.sysinst");
941 		target_chdir_or_die("/.sysinst");
942 	} else if (dist->set == SET_PKGSRC)
943 		target_chdir_or_die("/usr");
944 	else
945 		target_chdir_or_die("/");
946 
947 	/*
948 	 * /usr/X11R7/lib/X11/xkb/symbols/pc was a directory in 5.0
949 	 * but is a file in 5.1 and beyond, so on upgrades we need to
950 	 * delete it before extracting the xbase set.
951 	 */
952 	if (update && dist->set == SET_X11_BASE)
953 		run_program(0, "rm -rf usr/X11R7/lib/X11/xkb/symbols/pc");
954 
955 	/* now extract set files into "./". */
956 	rval = run_program(RUN_DISPLAY | RUN_PROGRESS,
957 			"progress -zf %s tar --chroot -xhepf -", path);
958 
959 	chdir(owd);
960 	free(owd);
961 
962 	/* Check rval for errors and give warning. */
963 	if (rval != 0) {
964 		tarstats.nerror++;
965 		msg_fmt_display(MSG_tarerror, "%s", path);
966 		hit_enter_to_continue(NULL, NULL);
967 		return SET_RETRY;
968 	}
969 
970 	if (fetch_fn != NULL && clean_xfer_dir) {
971 		run_program(0, "rm %s", path);
972 		/* Plausibly we should unlink an empty xfer_dir as well */
973 	}
974 
975 	set_status[dist->set] |= SET_INSTALLED;
976 	tarstats.nsuccess++;
977 	return SET_OK;
978 }
979 
980 static void
981 skip_set(distinfo *dist, int skip_type)
982 {
983 	int nested;
984 	int set;
985 
986 	nested = 0;
987 	while ((++dist)->set != SET_GROUP_END || nested--) {
988 		set = dist->set;
989 		if (set == SET_GROUP) {
990 			nested++;
991 			continue;
992 		}
993 		if (set == SET_LAST)
994 			break;
995 		if (set_status[set] == (SET_SELECTED | SET_VALID))
996 			set_status[set] |= SET_SKIPPED;
997 		tarstats.nskipped++;
998 	}
999 }
1000 
1001 /*
1002  * Get and unpack the distribution.
1003  * Show success_msg if installation completes.
1004  * Otherwise show failure_msg and wait for the user to ack it before continuing.
1005  * success_msg and failure_msg must both be 0-adic messages.
1006  */
1007 int
1008 get_and_unpack_sets(int update, msg setupdone_msg, msg success_msg, msg failure_msg)
1009 {
1010 	distinfo *dist;
1011 	int status;
1012 	int set;
1013 
1014 	/* Ensure mountpoint for distribution files exists in current root. */
1015 	(void)mkdir("/mnt2", S_IRWXU| S_IRGRP|S_IXGRP | S_IROTH|S_IXOTH);
1016 	if (script)
1017 		(void)fprintf(script, "mkdir -m 755 /mnt2\n");
1018 
1019 	/* reset failure/success counters */
1020 	memset(&tarstats, 0, sizeof(tarstats));
1021 
1022 	/* Find out which files to "get" if we get files. */
1023 
1024 	/* Accurately count selected sets */
1025 	for (dist = dist_list; (set = dist->set) != SET_LAST; dist++) {
1026 		if (dist->name == NULL)
1027 			continue;
1028 		if ((set_status[set] & (SET_VALID | SET_SELECTED))
1029 		    == (SET_VALID | SET_SELECTED))
1030 			tarstats.nselected++;
1031 	}
1032 
1033 	status = SET_RETRY;
1034 	for (dist = dist_list; (set = dist->set) != SET_LAST; dist++) {
1035 		if (dist->name == NULL)
1036 			continue;
1037 		if (set_status[set] != (SET_VALID | SET_SELECTED))
1038 			continue;
1039 
1040 		if (status != SET_OK) {
1041 			/* This might force a redraw.... */
1042 			clearok(curscr, 1);
1043 			touchwin(stdscr);
1044 			wrefresh(stdscr);
1045 			/* Sort out the location of the set files */
1046 			do {
1047 				umount_mnt2();
1048 				msg_fmt_display(MSG_distmedium, "%d%d%s",
1049 				    tarstats.nselected,
1050 				    tarstats.nsuccess + tarstats.nskipped,
1051 				    dist->name);
1052 				fetch_fn = NULL;
1053 				process_menu(MENU_distmedium, &status);
1054 			} while (status == SET_RETRY);
1055 
1056 			if (status == SET_SKIP) {
1057 				set_status[set] |= SET_SKIPPED;
1058 				tarstats.nskipped++;
1059 				continue;
1060 			}
1061 			if (status == SET_SKIP_GROUP) {
1062 				skip_set(dist, status);
1063 				continue;
1064 			}
1065 			if (status != SET_OK) {
1066 				hit_enter_to_continue(failure_msg, NULL);
1067 				return 1;
1068 			}
1069 		}
1070 
1071 		/* Try to extract this set */
1072 		status = extract_file(dist, update);
1073 		if (status == SET_RETRY)
1074 			dist--;
1075 	}
1076 
1077 	if (tarstats.nerror == 0 && tarstats.nsuccess == tarstats.nselected) {
1078 		msg_display(MSG_endtarok);
1079 		/* Give user a chance to see the success message */
1080 		sleep(1);
1081 	} else {
1082 		/* We encountered errors. Let the user know. */
1083 		msg_fmt_display(MSG_endtar, "%d%d%d%d%d%d",
1084 		    tarstats.nselected, tarstats.nnotfound, tarstats.nskipped,
1085 		    tarstats.nfound, tarstats.nsuccess, tarstats.nerror);
1086 		hit_enter_to_continue(NULL, NULL);
1087 	}
1088 
1089 	/*
1090 	 * postinstall needs to be run after extracting all sets, because
1091 	 * otherwise /var/db/obsolete will only have current information
1092 	 * from the base, comp, and etc sets.
1093 	 */
1094 	if (update && (set_status[SET_ETC] & SET_INSTALLED)) {
1095 		int oldsendmail;
1096 		oldsendmail = run_program(RUN_DISPLAY | RUN_CHROOT |
1097 					  RUN_ERROR_OK | RUN_PROGRESS,
1098 					  "/usr/sbin/postinstall -s /.sysinst -d / check mailerconf");
1099 		if (oldsendmail == 1) {
1100 			msg_display(MSG_oldsendmail);
1101 			if (ask_yesno(NULL)) {
1102 				run_program(RUN_DISPLAY | RUN_CHROOT,
1103 					    "/usr/sbin/postinstall -s /.sysinst -d / fix mailerconf");
1104 			}
1105 		}
1106 		run_program(RUN_DISPLAY | RUN_CHROOT,
1107 			"/usr/sbin/postinstall -s /.sysinst -d / fix");
1108 
1109 		/* Don't discard the system's old entropy if any */
1110 		run_program(RUN_CHROOT | RUN_SILENT,
1111 			    "/etc/rc.d/random_seed start");
1112 	}
1113 
1114 	/* Configure the system */
1115 	if (set_status[SET_BASE] & SET_INSTALLED)
1116 		run_makedev();
1117 
1118 	if (!update) {
1119 		struct stat sb1, sb2;
1120 
1121 		if (stat(target_expand("/"), &sb1) == 0
1122 		    && stat(target_expand("/var"), &sb2) == 0
1123 		    && sb1.st_dev != sb2.st_dev) {
1124 			add_rc_conf("random_file=/etc/entropy-file\n");
1125 			if (target_file_exists_p("/boot.cfg")) {
1126 				run_program(RUN_CHROOT|RUN_FATAL,
1127 					    "sh -c 'sed -e s./var/db/./etc/. "
1128 					    "< /boot.cfg "
1129 					    "> /tmp/boot.cfg.tmp'");
1130 				mv_within_target_or_die("/tmp/boot.cfg.tmp",
1131 							"/boot.cfg");
1132 			}
1133 		}
1134 
1135 		/* Save keyboard type */
1136 		save_kb_encoding();
1137 
1138 		/* Other configuration. */
1139 		mnt_net_config();
1140 	}
1141 
1142 	/* Mounted dist dir? */
1143 	umount_mnt2();
1144 
1145 	/* Save entropy -- on some systems it's ~all we'll ever get */
1146 	run_program(RUN_DISPLAY | RUN_CHROOT | RUN_FATAL | RUN_PROGRESS,
1147 		    "/etc/rc.d/random_seed stop");
1148 	/* Install/Upgrade complete ... reboot or exit to script */
1149 	hit_enter_to_continue(success_msg, NULL);
1150 	return 0;
1151 }
1152 
1153 void
1154 umount_mnt2(void)
1155 {
1156 	if (!mnt2_mounted)
1157 		return;
1158 	run_program(RUN_SILENT, "/sbin/umount /mnt2");
1159 	mnt2_mounted = 0;
1160 }
1161 
1162 
1163 /*
1164  * Do a quick sanity check that  the target can reboot.
1165  * return 1 if everything OK, 0 if there is a problem.
1166  * Uses a table of files we expect to find after a base install/upgrade.
1167  */
1168 
1169 /* test flag and pathname to check for after unpacking. */
1170 struct check_table { unsigned int mode; const char *path;} checks[] = {
1171   { S_IFREG, "/netbsd" },
1172   { S_IFDIR, "/etc" },
1173   { S_IFREG, "/etc/fstab" },
1174   { S_IFREG, "/sbin/init" },
1175   { S_IFREG, "/bin/sh" },
1176   { S_IFREG, "/etc/rc" },
1177   { S_IFREG, "/etc/rc.subr" },
1178   { S_IFREG, "/etc/rc.conf" },
1179   { S_IFDIR, "/dev" },
1180   { S_IFCHR, "/dev/console" },
1181 /* XXX check for rootdev in target /dev? */
1182   { S_IFREG, "/sbin/fsck" },
1183   { S_IFREG, "/sbin/fsck_ffs" },
1184   { S_IFREG, "/sbin/mount" },
1185   { S_IFREG, "/sbin/mount_ffs" },
1186   { S_IFREG, "/sbin/mount_nfs" },
1187 #if defined(DEBUG) || defined(DEBUG_CHECK)
1188   { S_IFREG, "/foo/bar" },		/* bad entry to exercise warning */
1189 #endif
1190   { 0, 0 }
1191 
1192 };
1193 
1194 /*
1195  * Check target for a single file.
1196  */
1197 static int
1198 check_for(unsigned int mode, const char *pathname)
1199 {
1200 	int found;
1201 
1202 	found = (target_test(mode, pathname) == 0);
1203 	if (found == 0)
1204 		msg_fmt_display(MSG_rootmissing, "%s", pathname);
1205 	return found;
1206 }
1207 
1208 /*
1209  * Check that all the files in check_table are present in the
1210  * target root. Warn if not found.
1211  */
1212 int
1213 sanity_check(void)
1214 {
1215 	int target_ok = 1;
1216 	struct check_table *p;
1217 
1218 	for (p = checks; p->path; p++) {
1219 		target_ok = target_ok && check_for(p->mode, p->path);
1220 	}
1221 	if (target_ok)
1222 		return 0;
1223 
1224 	/* Uh, oh. Something's missing. */
1225 	hit_enter_to_continue(MSG_badroot, NULL);
1226 	return 1;
1227 }
1228 
1229 /*
1230  * Some globals to pass things back from callbacks
1231  */
1232 static char zoneinfo_dir[STRSIZE];
1233 static int zonerootlen;
1234 static char *tz_selected;	/* timezonename (relative to share/zoneinfo */
1235 const char *tz_default;		/* UTC, or whatever /etc/localtime points to */
1236 static char tz_env[STRSIZE];
1237 static int save_cursel, save_topline;
1238 
1239 /*
1240  * Callback from timezone menu
1241  */
1242 static int
1243 set_tz_select(menudesc *m, void *arg)
1244 {
1245 	time_t t;
1246 	char *new;
1247 	struct tm *tm;
1248 
1249 	if (m && strcmp(tz_selected, m->opts[m->cursel].opt_name) != 0) {
1250 		/* Change the displayed timezone */
1251 		new = strdup(m->opts[m->cursel].opt_name);
1252 		if (new == NULL)
1253 			return 0;
1254 		free(tz_selected);
1255 		tz_selected = new;
1256 		snprintf(tz_env, sizeof tz_env, "%.*s%s",
1257 			 zonerootlen, zoneinfo_dir, tz_selected);
1258 		setenv("TZ", tz_env, 1);
1259 	}
1260 	if (m)
1261 		/* Warp curser to 'Exit' line on menu */
1262 		m->cursel = -1;
1263 
1264 	/* Update displayed time */
1265 	t = time(NULL);
1266 	tm = localtime(&t);
1267 	msg_fmt_display(MSG_choose_timezone, "%s%s%s%s",
1268 		    tz_default, tz_selected, safectime(&t), tm ? tm->tm_zone :
1269 		    "?");
1270 	return 0;
1271 }
1272 
1273 static int
1274 set_tz_back(menudesc *m, void *arg)
1275 {
1276 
1277 	zoneinfo_dir[zonerootlen] = 0;
1278 	m->cursel = save_cursel;
1279 	m->topline = save_topline;
1280 	return 0;
1281 }
1282 
1283 static int
1284 set_tz_dir(menudesc *m, void *arg)
1285 {
1286 
1287 	strlcpy(zoneinfo_dir + zonerootlen, m->opts[m->cursel].opt_name,
1288 		sizeof zoneinfo_dir - zonerootlen);
1289 	save_cursel = m->cursel;
1290 	save_topline = m->topline;
1291 	m->cursel = 0;
1292 	m->topline = 0;
1293 	return 0;
1294 }
1295 
1296 /*
1297  * Alarm-handler to update example-display
1298  */
1299 static void
1300 /*ARGSUSED*/
1301 timezone_sig(int sig)
1302 {
1303 
1304 	set_tz_select(NULL, NULL);
1305 	alarm(60);
1306 }
1307 
1308 static int
1309 tz_sort(const void *a, const void *b)
1310 {
1311 	return strcmp(((const menu_ent *)a)->opt_name, ((const menu_ent *)b)->opt_name);
1312 }
1313 
1314 static void
1315 tzm_set_names(menudesc *m, void *arg)
1316 {
1317 	DIR *dir;
1318 	struct dirent *dp;
1319 	static int nfiles;
1320 	static int maxfiles = 32;
1321 	static menu_ent *tz_menu;
1322 	static char **tz_names;
1323 	void *p;
1324 	int maxfname;
1325 	char *fp;
1326 	struct stat sb;
1327 
1328 	if (tz_menu == NULL)
1329 		tz_menu = calloc(maxfiles, sizeof *tz_menu);
1330 	if (tz_names == NULL)
1331 		tz_names = malloc(maxfiles * sizeof *tz_names);
1332 	if (tz_menu == NULL || tz_names == NULL)
1333 		return;	/* error - skip timezone setting */
1334 	while (nfiles > 0)
1335 		free(tz_names[--nfiles]);
1336 
1337 	dir = opendir(zoneinfo_dir);
1338 	fp = strchr(zoneinfo_dir, 0);
1339 	if (fp != zoneinfo_dir + zonerootlen) {
1340 		tz_names[0] = 0;
1341 		tz_menu[0].opt_name = msg_string(MSG_tz_back);
1342 		tz_menu[0].opt_action = set_tz_back;
1343 		nfiles = 1;
1344 	}
1345 	maxfname = zoneinfo_dir + sizeof zoneinfo_dir - fp - 1;
1346 	if (dir != NULL) {
1347 		while ((dp = readdir(dir)) != NULL) {
1348 			if (dp->d_namlen > maxfname || dp->d_name[0] == '.')
1349 				continue;
1350 			strlcpy(fp, dp->d_name, maxfname);
1351 			if (stat(zoneinfo_dir, &sb) == -1)
1352 				continue;
1353 			if (nfiles >= maxfiles) {
1354 				p = realloc(tz_menu,
1355 				    2 * maxfiles * sizeof *tz_menu);
1356 				if (p == NULL)
1357 					break;
1358 				tz_menu = p;
1359 				memset(tz_menu + maxfiles, 0,
1360 				    maxfiles * sizeof *tz_menu);
1361 				p = realloc(tz_names,
1362 				    2 * maxfiles * sizeof *tz_names);
1363 				if (p == NULL)
1364 					break;
1365 				tz_names = p;
1366 				memset(tz_names + maxfiles, 0,
1367 				    maxfiles * sizeof *tz_names);
1368 				maxfiles *= 2;
1369 			}
1370 			if (S_ISREG(sb.st_mode))
1371 				tz_menu[nfiles].opt_action = set_tz_select;
1372 			else if (S_ISDIR(sb.st_mode)) {
1373 				tz_menu[nfiles].opt_action = set_tz_dir;
1374 				strlcat(fp, "/",
1375 				    sizeof(zoneinfo_dir) - (fp - zoneinfo_dir));
1376 			} else
1377 				continue;
1378 			tz_names[nfiles] = strdup(zoneinfo_dir + zonerootlen);
1379 			tz_menu[nfiles].opt_name = tz_names[nfiles];
1380 			nfiles++;
1381 		}
1382 		closedir(dir);
1383 	}
1384 	*fp = 0;
1385 
1386 	m->opts = tz_menu;
1387 	m->numopts = nfiles;
1388 	qsort(tz_menu, nfiles, sizeof *tz_menu, tz_sort);
1389 }
1390 
1391 void
1392 get_tz_default(void)
1393 {
1394 	char localtime_link[STRSIZE];
1395 	static char localtime_target[STRSIZE];
1396 	int rc;
1397 
1398 	strlcpy(localtime_link, target_expand("/etc/localtime"),
1399 	    sizeof localtime_link);
1400 
1401 	/* Add sanity check that /mnt/usr/share/zoneinfo contains
1402 	 * something useful
1403 	 */
1404 
1405 	rc = readlink(localtime_link, localtime_target,
1406 		      sizeof(localtime_target) - 1);
1407 	if (rc < 0) {
1408 		/* error, default to UTC */
1409 		tz_default = "UTC";
1410 	} else {
1411 		localtime_target[rc] = '\0';
1412 		tz_default = strchr(strstr(localtime_target, "zoneinfo"), '/') + 1;
1413 	}
1414 }
1415 
1416 /*
1417  * Choose from the files in usr/share/zoneinfo and set etc/localtime
1418  */
1419 int
1420 set_timezone(void)
1421 {
1422 	char localtime_link[STRSIZE];
1423 	char localtime_target[STRSIZE];
1424 	time_t t;
1425 	struct tm *tm;
1426 	int menu_no;
1427 
1428 	strlcpy(zoneinfo_dir, target_expand("/usr/share/zoneinfo/"),
1429 	    sizeof zoneinfo_dir - 1);
1430 	zonerootlen = strlen(zoneinfo_dir);
1431 
1432 	get_tz_default();
1433 
1434 	tz_selected = strdup(tz_default);
1435 	snprintf(tz_env, sizeof(tz_env), "%s%s", zoneinfo_dir, tz_selected);
1436 	setenv("TZ", tz_env, 1);
1437 	t = time(NULL);
1438 	tm = localtime(&t);
1439 	msg_fmt_display(MSG_choose_timezone, "%s%s%s%s",
1440 	    tz_default, tz_selected, safectime(&t), tm ? tm->tm_zone : "?");
1441 
1442 	signal(SIGALRM, timezone_sig);
1443 	alarm(60);
1444 
1445 	menu_no = new_menu(NULL, NULL, 14, 23, 9,
1446 			   12, 32, MC_ALWAYS_SCROLL | MC_NOSHORTCUT,
1447 			   tzm_set_names, NULL, NULL,
1448 			   "\nPlease consult the install documents.", NULL);
1449 	if (menu_no < 0)
1450 		goto done;	/* error - skip timezone setting */
1451 
1452 	process_menu(menu_no, NULL);
1453 
1454 	free_menu(menu_no);
1455 
1456 	signal(SIGALRM, SIG_IGN);
1457 
1458 	snprintf(localtime_target, sizeof(localtime_target),
1459 		 "/usr/share/zoneinfo/%s", tz_selected);
1460 	strlcpy(localtime_link, target_expand("/etc/localtime"),
1461 	    sizeof localtime_link);
1462 	unlink(localtime_link);
1463 	symlink(localtime_target, localtime_link);
1464 
1465 done:
1466 	return 1;
1467 }
1468 
1469 void
1470 scripting_vfprintf(FILE *f, const char *fmt, va_list ap)
1471 {
1472 	va_list ap2;
1473 
1474 	va_copy(ap2, ap);
1475 	if (f)
1476 		(void)vfprintf(f, fmt, ap);
1477 	if (script)
1478 		(void)vfprintf(script, fmt, ap2);
1479 }
1480 
1481 void
1482 scripting_fprintf(FILE *f, const char *fmt, ...)
1483 {
1484 	va_list ap;
1485 
1486 	va_start(ap, fmt);
1487 	scripting_vfprintf(f, fmt, ap);
1488 	va_end(ap);
1489 }
1490 
1491 void
1492 add_rc_conf(const char *fmt, ...)
1493 {
1494 	FILE *f;
1495 	va_list ap;
1496 
1497 	va_start(ap, fmt);
1498 	f = target_fopen("/etc/rc.conf", "a");
1499 	if (f != 0) {
1500 		scripting_fprintf(NULL, "cat <<EOF >>%s/etc/rc.conf\n",
1501 		    target_prefix());
1502 		scripting_vfprintf(f, fmt, ap);
1503 		fclose(f);
1504 		scripting_fprintf(NULL, "EOF\n");
1505 	}
1506 	va_end(ap);
1507 }
1508 
1509 int
1510 del_rc_conf(const char *value)
1511 {
1512 	FILE *fp, *nfp;
1513 	char buf[4096]; /* Ridiculously high, but should be enough in any way */
1514 	char *rcconf, *tempname = NULL, *bakname = NULL;
1515 	char *cp;
1516 	int done = 0;
1517 	int fd;
1518 	int retval = 0;
1519 
1520 	/* The paths might seem strange, but using /tmp would require copy instead
1521 	 * of rename operations. */
1522 	if (asprintf(&rcconf, "%s", target_expand("/etc/rc.conf")) < 0
1523 			|| asprintf(&tempname, "%s", target_expand("/etc/rc.conf.tmp.XXXXXX")) < 0
1524 			|| asprintf(&bakname, "%s", target_expand("/etc/rc.conf.bak.XXXXXX")) < 0) {
1525 		if (rcconf)
1526 			free(rcconf);
1527 		if (tempname)
1528 			free(tempname);
1529 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1530 		hit_enter_to_continue(NULL, NULL);
1531 		return -1;
1532 	}
1533 
1534 	if ((fd = mkstemp(bakname)) < 0) {
1535 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1536 		hit_enter_to_continue(NULL, NULL);
1537 		return -1;
1538 	}
1539 	close(fd);
1540 
1541 	if (!(fp = fopen(rcconf, "r+")) || (fd = mkstemp(tempname)) < 0) {
1542 		if (fp)
1543 			fclose(fp);
1544 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1545 		hit_enter_to_continue(NULL, NULL);
1546 		return -1;
1547 	}
1548 
1549 	nfp = fdopen(fd, "w");
1550 	if (!nfp) {
1551 		fclose(fp);
1552 		close(fd);
1553 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1554 		hit_enter_to_continue(NULL, NULL);
1555 		return -1;
1556 	}
1557 
1558 	while (fgets(buf, sizeof buf, fp) != NULL) {
1559 
1560 		cp = buf + strspn(buf, " \t"); /* Skip initial spaces */
1561 		if (strncmp(cp, value, strlen(value)) == 0) {
1562 			cp += strlen(value);
1563 			if (*cp != '=')
1564 				scripting_fprintf(nfp, "%s", buf);
1565 			else
1566 				done = 1;
1567 		} else {
1568 			scripting_fprintf(nfp, "%s", buf);
1569 		}
1570 	}
1571 	fclose(fp);
1572 	fclose(nfp);
1573 
1574 	if (done) {
1575 		if (rename(rcconf, bakname)) {
1576 			msg_display(MSG_rcconf_backup_failed);
1577 			if (!ask_noyes(NULL)) {
1578 				retval = -1;
1579 				goto done;
1580 			}
1581 		}
1582 
1583 		if (rename(tempname, rcconf)) {
1584 			if (rename(bakname, rcconf)) {
1585 				hit_enter_to_continue(MSG_rcconf_restore_failed,
1586 				    NULL);
1587 			} else {
1588 				hit_enter_to_continue(MSG_rcconf_delete_failed,
1589 				    NULL);
1590 			}
1591 		} else {
1592 			(void)unlink(bakname);
1593 		}
1594 	}
1595 
1596 done:
1597 	(void)unlink(tempname);
1598 	free(rcconf);
1599 	free(tempname);
1600 	free(bakname);
1601 	return retval;
1602 }
1603 
1604 void
1605 add_sysctl_conf(const char *fmt, ...)
1606 {
1607 	FILE *f;
1608 	va_list ap;
1609 
1610 	va_start(ap, fmt);
1611 	f = target_fopen("/etc/sysctl.conf", "a");
1612 	if (f != 0) {
1613 		scripting_fprintf(NULL, "cat <<EOF >>%s/etc/sysctl.conf\n",
1614 		    target_prefix());
1615 		scripting_vfprintf(f, fmt, ap);
1616 		fclose(f);
1617 		scripting_fprintf(NULL, "EOF\n");
1618 	}
1619 	va_end(ap);
1620 }
1621 
1622 void
1623 enable_rc_conf(void)
1624 {
1625 
1626 	replace("/etc/rc.conf", "s/^rc_configured=NO/rc_configured=YES/");
1627 }
1628 
1629 int
1630 check_lfs_progs(void)
1631 {
1632 
1633 #ifndef NO_LFS
1634 	return binary_available("fsck_lfs") && binary_available("mount_lfs")
1635 	    && binary_available("newfs_lfs");
1636 #else
1637 	return 0;
1638 #endif
1639 }
1640 
1641 int
1642 set_is_source(const char *set_name) {
1643 	int len = strlen(set_name);
1644 	return len >= 3 && memcmp(set_name + len - 3, "src", 3) == 0;
1645 }
1646 
1647 const char *
1648 set_dir_for_set(const char *set_name) {
1649 	if (strcmp(set_name, "pkgsrc") == 0)
1650 		return pkgsrc_dir;
1651 	return set_is_source(set_name) ? set_dir_src : set_dir_bin;
1652 }
1653 
1654 const char *
1655 ext_dir_for_set(const char *set_name) {
1656 	if (strcmp(set_name, "pkgsrc") == 0)
1657 		return ext_dir_pkgsrc;
1658 	return set_is_source(set_name) ? ext_dir_src : ext_dir_bin;
1659 }
1660 
1661 void
1662 do_coloring(unsigned int fg, unsigned int bg) {
1663 	if (bg > COLOR_WHITE)
1664 		bg = COLOR_BLUE;
1665 	if (fg > COLOR_WHITE)
1666 		fg = COLOR_WHITE;
1667 	if (fg != bg && has_colors()) {
1668 		init_pair(1, fg, bg);
1669 		wbkgd(stdscr, COLOR_PAIR(1));
1670 		wbkgd(mainwin, COLOR_PAIR(1));
1671 		wattrset(stdscr, COLOR_PAIR(1));
1672 		wattrset(mainwin, COLOR_PAIR(1));
1673 	}
1674 	/* redraw screen */
1675 	touchwin(stdscr);
1676 	touchwin(mainwin);
1677 	wrefresh(stdscr);
1678 	wrefresh(mainwin);
1679 	return;
1680 }
1681 
1682 int
1683 set_menu_select(menudesc *m, void *arg)
1684 {
1685 	*(int *)arg = m->cursel;
1686 	return 1;
1687 }
1688 
1689 /*
1690  * check wether a binary is available somewhere in PATH,
1691  * return 1 if found, 0 if not.
1692  */
1693 static int
1694 binary_available(const char *prog)
1695 {
1696         char *p, tmp[MAXPATHLEN], *path = getenv("PATH"), *opath;
1697 
1698         if (path == NULL)
1699                 return access(prog, X_OK) == 0;
1700         path = strdup(path);
1701         if (path == NULL)
1702                 return 0;
1703 
1704 	opath = path;
1705 
1706         while ((p = strsep(&path, ":")) != NULL) {
1707                 if (strlcpy(tmp, p, MAXPATHLEN) >= MAXPATHLEN)
1708                         continue;
1709                 if (strlcat(tmp, "/", MAXPATHLEN) >= MAXPATHLEN)
1710                         continue;
1711                 if (strlcat(tmp, prog, MAXPATHLEN) >= MAXPATHLEN)
1712                         continue;
1713                 if (access(tmp, X_OK) == 0) {
1714                         free(opath);
1715                         return 1;
1716                 }
1717         }
1718         free(opath);
1719         return 0;
1720 }
1721 
1722 const char *
1723 safectime(time_t *t)
1724 {
1725 	const char *s = ctime(t);
1726 	if (s != NULL)
1727 		return s;
1728 
1729 	// Debugging.
1730 	fprintf(stderr, "Can't convert to localtime 0x%jx (%s)\n",
1731 	    (intmax_t)*t, strerror(errno));
1732 	      /*123456789012345678901234*/
1733 	return "preposterous clock time\n";
1734 }
1735 
1736 int
1737 ask_yesno(const char* msgtxt)
1738 {
1739 	arg_rv p;
1740 
1741 	p.arg = __UNCONST(msgtxt);
1742 	p.rv = -1;
1743 
1744 	process_menu(MENU_yesno, &p);
1745 	return p.rv;
1746 }
1747 
1748 int
1749 ask_noyes(const char *msgtxt)
1750 {
1751 	arg_rv p;
1752 
1753 	p.arg = __UNCONST(msgtxt);
1754 	p.rv = -1;
1755 
1756 	process_menu(MENU_noyes, &p);
1757 	return p.rv;
1758 }
1759 
1760 int
1761 ask_reedit(const struct disk_partitions *parts)
1762 {
1763 	const char *args[2];
1764 	arg_rep_int arg;
1765 
1766 	args[0] = msg_string(parts->pscheme->name);
1767 	args[1] = msg_string(parts->pscheme->short_name);
1768 	arg.args.argv = args;
1769 	arg.args.argc = 2;
1770 	arg.rv = 0;
1771 	process_menu(MENU_reedit, &arg);
1772 
1773 	return arg.rv;
1774 }
1775 
1776 bool
1777 use_tgz_for_set(const char *set_name)
1778 {
1779 	const struct distinfo *dist;
1780 
1781 	for (dist = dist_list; dist->set != SET_LAST; dist++) {
1782 		if (dist->name == NULL)
1783 			continue;
1784 		if (strcmp(set_name, dist->name) == 0)
1785 			return dist->force_tgz;
1786 	}
1787 
1788 	return true;
1789 }
1790 
1791 /* Return the postfix used for a given set */
1792 const char *
1793 set_postfix(const char *set_name)
1794 {
1795 	return use_tgz_for_set(set_name) ? dist_tgz_postfix : dist_postfix;
1796 }
1797 
1798 /*
1799  * Replace positional arguments (encoded as $0 .. $N) in the string
1800  * passed by the contents of the passed argument array.
1801  * Caller must free() the result string.
1802  */
1803 char*
1804 str_arg_subst(const char *src, size_t argc, const char **argv)
1805 {
1806 	const char *p, *last;
1807 	char *out, *t;
1808 	size_t len;
1809 
1810 	len = strlen(src);
1811 	for (p = strchr(src, '$'); p; p = strchr(p+1, '$')) {
1812 		char *endp = NULL;
1813 		size_t n;
1814 		int e;
1815 
1816 		/* $ followed by a correct numeric position? */
1817 		n = strtou(p+1, &endp, 10, 0, INT_MAX, &e);
1818 		if ((e == 0 || e == ENOTSUP) && n < argc) {
1819 			len += strlen(argv[n]);
1820 			len -= endp-p;
1821 			p = endp-1;
1822 		}
1823 	}
1824 
1825 	out = malloc(len+1);
1826 	if (out == NULL)
1827 		return NULL;
1828 
1829 	t = out;
1830 	for (last = src, p = strchr(src, '$'); p; p = strchr(p+1, '$')) {
1831 		char *endp = NULL;
1832 		size_t n;
1833 		int e;
1834 
1835 		/* $ followed by a correct numeric position? */
1836 		n = strtou(p+1, &endp, 10, 0, INT_MAX, &e);
1837 		if ((e == 0 || e == ENOTSUP) && n < argc) {
1838 			size_t l = p-last;
1839 			memcpy(t, last, l);
1840 			t += l;
1841 			strcpy(t, argv[n]);
1842 			t += strlen(argv[n]);
1843 			last = endp;
1844 		}
1845 	}
1846 	if (*last) {
1847 		strcpy(t, last);
1848 		t += strlen(last);
1849 	} else {
1850 		*t = 0;
1851 	}
1852 	assert((size_t)(t-out) == len);
1853 
1854 	return out;
1855 }
1856 
1857 /*
1858  * Does this string have any positional args that need expanding?
1859  */
1860 bool
1861 needs_expanding(const char *src, size_t argc)
1862 {
1863 	const char *p;
1864 
1865 	for (p = strchr(src, '$'); p; p = strchr(p+1, '$')) {
1866 		char *endp = NULL;
1867 		size_t n;
1868 		int e;
1869 
1870 		/* $ followed by a correct numeric position? */
1871 		n = strtou(p+1, &endp, 10, 0, INT_MAX, &e);
1872 		if ((e == 0 || e == ENOTSUP) && n < argc)
1873 			return true;
1874 	}
1875 	return false;
1876 }
1877 
1878 /*
1879  * Replace positional arguments (encoded as $0 .. $N) in the
1880  * message by the strings passed as ... and call outfunc
1881  * with the result.
1882  */
1883 static void
1884 msg_display_subst_internal(void (*outfunc)(msg),
1885     const char *master, size_t argc, va_list ap)
1886 {
1887 	const char **args, **arg;
1888 	char *out;
1889 
1890 	args = calloc(argc, sizeof(*args));
1891 	if (args == NULL)
1892 		return;
1893 
1894 	arg = args;
1895 	for (size_t i = 0; i < argc; i++)
1896 		*arg++ = va_arg(ap, const char*);
1897 
1898 	out = str_arg_subst(msg_string(master), argc, args);
1899 	if (out != NULL) {
1900 		outfunc(out);
1901 		free(out);
1902 	}
1903 	free(args);
1904 }
1905 
1906 /*
1907  * Replace positional arguments (encoded as $0 .. $N) in the
1908  * message by the strings passed as ...
1909  */
1910 void
1911 msg_display_subst(const char *master, size_t argc, ...)
1912 {
1913 	va_list ap;
1914 
1915 	va_start(ap, argc);
1916 	msg_display_subst_internal(msg_display, master, argc, ap);
1917 	va_end(ap);
1918 }
1919 
1920 /*
1921  * Same as above, but add to message instead of starting a new one
1922  */
1923 void
1924 msg_display_add_subst(const char *master, size_t argc, ...)
1925 {
1926 	va_list ap;
1927 
1928 	va_start(ap, argc);
1929 	msg_display_subst_internal(msg_display_add, master, argc, ap);
1930 	va_end(ap);
1931 }
1932 
1933 /* initialize have_* variables */
1934 void
1935 check_available_binaries()
1936 {
1937 	static int did_test = false;
1938 
1939 	if (did_test) return;
1940 	did_test = 1;
1941 
1942 	have_raid = binary_available("raidctl");
1943 	have_vnd = binary_available("vndconfig");
1944 	have_cgd = binary_available("cgdconfig");
1945 	have_lvm = binary_available("lvm");
1946 	have_gpt = binary_available("gpt");
1947 	have_dk = binary_available("dkctl");
1948 }
1949 
1950 /*
1951  * Wait for enter and immediately clear the screen after user response
1952  * (in case some longer action follows, so the user has instant feedback)
1953  */
1954 void
1955 hit_enter_to_continue(const char *prompt, const char *title)
1956 {
1957 	if (prompt != NULL)
1958 		msg_display(prompt);
1959         process_menu(MENU_ok, __UNCONST(title));
1960 	msg_clear();
1961 	wrefresh(mainwin);
1962 }
1963 
1964 /*
1965  * On auto pilot:
1966  * convert an existing set of partitions ot a list of part_usage_info
1967  * so that we "want" exactly what is there already.
1968  */
1969 static bool
1970 usage_info_list_from_parts(struct part_usage_info **list, size_t *count,
1971     struct disk_partitions *parts)
1972 {
1973 	struct disk_part_info info;
1974 	part_id pno;
1975 	size_t no, num;
1976 
1977 	num = 0;
1978 	for (pno = 0; pno < parts->num_part; pno++) {
1979 		if (!parts->pscheme->get_part_info(parts, pno, &info))
1980 			continue;
1981 		num++;
1982 	}
1983 
1984 	*list = calloc(num, sizeof(**list));
1985 	if (*list == NULL)
1986 		return false;
1987 
1988 	*count = num;
1989 	for (no = pno = 0; pno < parts->num_part && no < num; pno++) {
1990 		if (!parts->pscheme->get_part_info(parts, pno, &info))
1991 			continue;
1992 		(*list)[no].size = info.size;
1993 		if (info.last_mounted != NULL && *info.last_mounted != 0) {
1994 			strlcpy((*list)[no].mount, info.last_mounted,
1995 			    sizeof((*list)[no].mount));
1996 			(*list)[no].instflags |= PUIINST_MOUNT;
1997 		}
1998 		(*list)[no].parts = parts;
1999 		(*list)[no].cur_part_id = pno;
2000 		(*list)[no].cur_start = info.start;
2001 		(*list)[no].cur_flags = info.flags;
2002 		(*list)[no].type = info.nat_type->generic_ptype;
2003 		if ((*list)[no].type == PT_swap) {
2004 			(*list)[no].fs_type = FS_SWAP;
2005 			(*list)[no].fs_version = 0;
2006 		} else {
2007 			(*list)[no].fs_type = info.fs_type;
2008 			(*list)[no].fs_version = info.fs_sub_type;
2009 		}
2010 		no++;
2011 	}
2012 	return true;
2013 }
2014 
2015 bool
2016 usage_set_from_parts(struct partition_usage_set *wanted,
2017     struct disk_partitions *parts)
2018 {
2019 	memset(wanted, 0, sizeof(*wanted));
2020 	wanted->parts = parts;
2021 
2022 	return usage_info_list_from_parts(&wanted->infos, &wanted->num, parts);
2023 }
2024 
2025 bool
2026 install_desc_from_parts(struct install_partition_desc *install,
2027     struct disk_partitions *parts)
2028 {
2029 	struct disk_partitions *inner_parts;
2030 	daddr_t start, size;
2031 	part_id pno;
2032 	struct disk_part_info info;
2033 
2034 	memset(install, 0, sizeof(*install));
2035 
2036 	if (parts->pscheme->secondary_scheme != NULL) {
2037 		start = -1;
2038 		size = -1;
2039 		if (parts->pscheme->guess_install_target != NULL &&
2040 		    parts->pscheme->guess_install_target(parts,
2041 			&start, &size)) {
2042 		} else {
2043 			for (pno = 0; pno < parts->num_part; pno++) {
2044 				if (!parts->pscheme->get_part_info(parts, pno,
2045 				    &info))
2046 					continue;
2047 				if (!(info.flags & PTI_SEC_CONTAINER))
2048 					continue;
2049 				start = info.start;
2050 				size = info.size;
2051 			}
2052 		}
2053 		if (size > 0) {
2054 			inner_parts = parts->pscheme->secondary_partitions(
2055 			    parts, start, false);
2056 			if (inner_parts != NULL)
2057 				parts = inner_parts;
2058 		}
2059 	}
2060 
2061 	return usage_info_list_from_parts(&install->infos, &install->num,
2062 	    parts);
2063 }
2064 
2065 void
2066 free_usage_set(struct partition_usage_set *wanted)
2067 {
2068 	free(wanted->menu_opts);
2069 	free(wanted->infos);
2070 }
2071 
2072 void
2073 free_install_desc(struct install_partition_desc *install)
2074 {
2075 	free(install->infos);
2076 }
2077 
2078