xref: /netbsd-src/usr.sbin/sysinst/util.c (revision 4d79f33340decaed1b0a9b5e607ee733f3ac6d7a)
1 /*	$NetBSD: util.c,v 1.24 2019/06/20 00:43:55 christos 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 	num_cds = get_available_cds();
569 	if (num_cds <= 0) {
570 		silent = true;
571 	} else if (num_cds == 1) {
572 		/* single CD found, check for sets on it */
573 		strcpy(cdrom_dev, cds[0].device_name);
574 		if (cd_has_sets())
575 			return SET_OK;
576 	} else {
577 		for (i = 0; i< num_cds; i++) {
578 			cd_menu[i].opt_name = cds[i].menu;
579 			cd_menu[i].opt_exp_name = NULL;
580 			cd_menu[i].opt_menu = OPT_NOMENU;
581 			cd_menu[i].opt_flags = OPT_EXIT;
582 			cd_menu[i].opt_action = set_menu_select;
583 		}
584 		/* create a menu offering available choices */
585 		menu_cd = new_menu(MSG_Available_cds,
586 			cd_menu, num_cds, -1, 4, 0, 0,
587 			MC_SCROLL | MC_NOEXITOPT,
588 			NULL, NULL, NULL, NULL, NULL);
589 		if (menu_cd == -1)
590 			return SET_RETRY;
591 		msg_display(MSG_ask_cd);
592 		process_menu(menu_cd, &selected_cd);
593 		free_menu(menu_cd);
594 		strcpy(cdrom_dev, cds[selected_cd].device_name);
595 		if (cd_has_sets())
596 			return SET_OK;
597 	}
598 
599 	if (silent)
600 		msg_display("");
601 	else {
602 		umount_mnt2();
603 		hit_enter_to_continue(MSG_cd_path_not_found, NULL);
604 	}
605 
606 	/* ask for paths on the CD */
607 	rv = -1;
608 	process_menu(MENU_cdromsource, &rv);
609 	if (rv == SET_RETRY)
610 		return SET_RETRY;
611 
612 	if (cd_has_sets())
613 		return SET_OK;
614 
615 	return SET_RETRY;
616 }
617 
618 
619 /*
620  * Get from a pathname inside an unmounted local filesystem
621  * (e.g., where sets were preloaded onto a local DOS partition)
622  */
623 int
624 get_via_localfs(void)
625 {
626 	int rv = -1;
627 
628 	/* Get device, filesystem, and filepath */
629 	process_menu (MENU_localfssource, &rv);
630 	if (rv == SET_RETRY)
631 		return SET_RETRY;
632 
633 	/* Mount it */
634 	if (run_program(0, "/sbin/mount -rt %s /dev/%s /mnt2",
635 	    localfs_fs, localfs_dev))
636 		return SET_RETRY;
637 
638 	mnt2_mounted = 1;
639 
640 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "%s/%s/%s",
641 		"/mnt2", localfs_dir, set_dir_bin);
642 	snprintf(ext_dir_src, sizeof ext_dir_src, "%s/%s/%s",
643 		"/mnt2", localfs_dir, set_dir_src);
644 
645 	return SET_OK;
646 }
647 
648 /*
649  * Get from an already-mounted pathname.
650  */
651 
652 int
653 get_via_localdir(void)
654 {
655 	int rv = -1;
656 
657 	/* Get filepath */
658 	process_menu(MENU_localdirsource, &rv);
659 	if (rv == SET_RETRY)
660 		return SET_RETRY;
661 
662 	/*
663 	 * We have to have an absolute path ('cos pax runs in a
664 	 * different directory), make it so.
665 	 */
666 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "/%s/%s", localfs_dir, set_dir_bin);
667 	snprintf(ext_dir_src, sizeof ext_dir_src, "/%s/%s", localfs_dir, set_dir_src);
668 
669 	return SET_OK;
670 }
671 
672 
673 /*
674  * Support for custom distribution fetches / unpacks.
675  */
676 
677 unsigned int
678 set_X11_selected(void)
679 {
680 	int i;
681 
682 	for (i = SET_X11_FIRST; ++i < SET_X11_LAST;)
683 		if (set_status[i] & SET_SELECTED)
684 			return 1;
685 	return 0;
686 }
687 
688 unsigned int
689 get_kernel_set(void)
690 {
691 	int i;
692 
693 	for (i = SET_KERNEL_FIRST; ++i < SET_KERNEL_LAST;)
694 		if (set_status[i] & SET_SELECTED)
695 			return i;
696 	return SET_NONE;
697 }
698 
699 void
700 set_kernel_set(unsigned int kernel_set)
701 {
702 	int i;
703 
704 	/* only one kernel set is allowed */
705 	for (i = SET_KERNEL_FIRST; ++i < SET_KERNEL_LAST;)
706 		set_status[i] &= ~SET_SELECTED;
707 	set_status[kernel_set] |= SET_SELECTED;
708 }
709 
710 static int
711 set_toggle(menudesc *menu, void *arg)
712 {
713 	distinfo **distp = arg;
714 	int set = distp[menu->cursel]->set;
715 
716 	if (set > SET_KERNEL_FIRST && set < SET_KERNEL_LAST &&
717 	    !(set_status[set] & SET_SELECTED))
718 		set_kernel_set(set);
719 	else
720 		set_status[set] ^= SET_SELECTED;
721 	return 0;
722 }
723 
724 static int
725 set_all_none(menudesc *menu, void *arg, int set, int clr)
726 {
727 	distinfo **distp = arg;
728 	distinfo *dist = *distp;
729 	int nested;
730 
731 	for (nested = 0; dist->set != SET_GROUP_END || nested--; dist++) {
732 		if (dist->set == SET_GROUP) {
733 			nested++;
734 			continue;
735 		}
736 		set_status[dist->set] = (set_status[dist->set] & ~clr) | set;
737 	}
738 	return 0;
739 }
740 
741 static int
742 set_all(menudesc *menu, void *arg)
743 {
744 	return set_all_none(menu, arg, SET_SELECTED, 0);
745 }
746 
747 static int
748 set_none(menudesc *menu, void *arg)
749 {
750 	return set_all_none(menu, arg, 0, SET_SELECTED);
751 }
752 
753 static void
754 set_label(menudesc *menu, int opt, void *arg)
755 {
756 	distinfo **distp = arg;
757 	distinfo *dist = distp[opt];
758 	const char *selected;
759 	const char *desc;
760 	int nested;
761 
762 	desc = dist->desc;
763 
764 	if (dist->set != SET_GROUP)
765 		selected = set_status[dist->set] & SET_SELECTED ? msg_yes : msg_no;
766 	else {
767 		/* sub menu - display None/Some/All */
768 		nested = 0;
769 		selected = "unknown";
770 		while ((++dist)->set != SET_GROUP_END || nested--) {
771 			if (dist->set == SET_GROUP) {
772 				nested++;
773 				continue;
774 			}
775 			if (!(set_status[dist->set] & SET_VALID))
776 				continue;
777 			if (set_status[dist->set] & SET_SELECTED) {
778 				if (selected == msg_none) {
779 					selected = msg_some;
780 					break;
781 				}
782 				selected = msg_all;
783 			} else {
784 				if (selected == msg_all) {
785 					selected = msg_some;
786 					break;
787 				}
788 				selected = msg_none;
789 			}
790 		}
791 	}
792 
793 	wprintw(menu->mw, "%-30s %s", msg_string(desc), selected);
794 }
795 
796 static int set_sublist(menudesc *menu, void *arg);
797 
798 static int
799 initialise_set_menu(distinfo *dist, menu_ent *me, distinfo **de, int all_none)
800 {
801 	int set;
802 	int sets;
803 	int nested;
804 
805 	for (sets = 0; ; dist++) {
806 		set = dist->set;
807 		if (set == SET_LAST || set == SET_GROUP_END)
808 			break;
809 		if (!(set_status[set] & SET_VALID))
810 			continue;
811 		*de = dist;
812 		me->opt_menu = OPT_NOMENU;
813 		me->opt_flags = 0;
814 		me->opt_name = NULL;
815 		me->opt_exp_name = NULL;
816 		if (set != SET_GROUP)
817 			me->opt_action = set_toggle;
818 		else {
819 			/* Collapse sublist */
820 			nested = 0;
821 			while ((++dist)->set != SET_GROUP_END || nested--) {
822 				if (dist->set == SET_GROUP)
823 					nested++;
824 			}
825 			me->opt_action = set_sublist;
826 		}
827 		sets++;
828 		de++;
829 		me++;
830 	}
831 
832 	if (all_none) {
833 		me->opt_menu = OPT_NOMENU;
834 		me->opt_flags = 0;
835 		me->opt_name = MSG_select_all;
836 		me->opt_exp_name = NULL;
837 		me->opt_action = set_all;
838 		me++;
839 		me->opt_menu = OPT_NOMENU;
840 		me->opt_flags = 0;
841 		me->opt_name = MSG_select_none;
842 		me->opt_exp_name = NULL;
843 		me->opt_action = set_none;
844 		sets += 2;
845 	}
846 
847 	return sets;
848 }
849 
850 static int
851 set_sublist(menudesc *menu, void *arg)
852 {
853 	distinfo *de[SET_LAST];
854 	menu_ent me[SET_LAST];
855 	distinfo **dist = arg;
856 	int menu_no;
857 	int sets;
858 
859 	sets = initialise_set_menu(dist[menu->cursel] + 1, me, de, 1);
860 
861 	menu_no = new_menu(NULL, me, sets, 20, 10, 0, select_menu_width,
862 		MC_SUBMENU | MC_SCROLL | MC_DFLTEXIT,
863 		NULL, set_label, NULL, NULL,
864 		MSG_install_selected_sets);
865 
866 	process_menu(menu_no, de);
867 	free_menu(menu_no);
868 
869 	return 0;
870 }
871 
872 void
873 customise_sets(void)
874 {
875 	distinfo *de[SET_LAST];
876 	menu_ent me[SET_LAST];
877 	int sets;
878 	int menu_no;
879 
880 	msg_display(MSG_cur_distsets);
881 	msg_table_add(MSG_cur_distsets_header);
882 
883 	sets = initialise_set_menu(dist_list, me, de, 0);
884 
885 	menu_no = new_menu(NULL, me, sets, 0, 5, 0, select_menu_width,
886 		MC_SCROLL | MC_NOBOX | MC_DFLTEXIT | MC_NOCLEAR,
887 		NULL, set_label, NULL, NULL,
888 		MSG_install_selected_sets);
889 
890 	process_menu(menu_no, de);
891 	free_menu(menu_no);
892 }
893 
894 /*
895  * Extract_file **REQUIRES** an absolute path in ext_dir.  Any code
896  * that sets up xfer_dir for use by extract_file needs to put in the
897  * full path name to the directory.
898  */
899 
900 int
901 extract_file(distinfo *dist, int update)
902 {
903 	char path[STRSIZE];
904 	char *owd;
905 	int   rval;
906 
907 	/* If we might need to tidy up, ensure directory exists */
908 	if (fetch_fn != NULL)
909 		make_target_dir(xfer_dir);
910 
911 	(void)snprintf(path, sizeof path, "%s/%s%s",
912 	    ext_dir_for_set(dist->name), dist->name, set_postfix(dist->name));
913 
914 	owd = getcwd(NULL, 0);
915 
916 	/* Do we need to fetch the file now? */
917 	if (fetch_fn != NULL) {
918 		rval = fetch_fn(dist->name);
919 		if (rval != SET_OK)
920 			return rval;
921 	}
922 
923 	/* check tarfile exists */
924 	if (!file_exists_p(path)) {
925 
926 #ifdef SUPPORT_8_3_SOURCE_FILESYSTEM
927 	/*
928 	 * Update path to use dist->name truncated to the first eight
929 	 * characters and check again
930 	 */
931 	(void)snprintf(path, sizeof path, "%s/%.8s%.4s", /* 4 as includes '.' */
932 	    ext_dir_for_set(dist->name), dist->name, set_postfix(dist->name));
933 		if (!file_exists_p(path)) {
934 #endif /* SUPPORT_8_3_SOURCE_FILESYSTEM */
935 
936 		tarstats.nnotfound++;
937 
938 		hit_enter_to_continue(MSG_notarfile, NULL);
939 		return SET_RETRY;
940 	}
941 #ifdef SUPPORT_8_3_SOURCE_FILESYSTEM
942 	}
943 #endif /* SUPPORT_8_3_SOURCE_FILESYSTEM */
944 
945 	tarstats.nfound++;
946 	/* cd to the target root. */
947 	if (update && (dist->set == SET_ETC || dist->set == SET_X11_ETC)) {
948 		make_target_dir("/.sysinst");
949 		target_chdir_or_die("/.sysinst");
950 	} else if (dist->set == SET_PKGSRC)
951 		target_chdir_or_die("/usr");
952 	else
953 		target_chdir_or_die("/");
954 
955 	/*
956 	 * /usr/X11R7/lib/X11/xkb/symbols/pc was a directory in 5.0
957 	 * but is a file in 5.1 and beyond, so on upgrades we need to
958 	 * delete it before extracting the xbase set.
959 	 */
960 	if (update && dist->set == SET_X11_BASE)
961 		run_program(0, "rm -rf usr/X11R7/lib/X11/xkb/symbols/pc");
962 
963 	/* now extract set files into "./". */
964 	rval = run_program(RUN_DISPLAY | RUN_PROGRESS,
965 			"progress -zf %s tar --chroot -xhepf -", path);
966 
967 	chdir(owd);
968 	free(owd);
969 
970 	/* Check rval for errors and give warning. */
971 	if (rval != 0) {
972 		tarstats.nerror++;
973 		msg_fmt_display(MSG_tarerror, "%s", path);
974 		hit_enter_to_continue(NULL, NULL);
975 		return SET_RETRY;
976 	}
977 
978 	if (fetch_fn != NULL && clean_xfer_dir) {
979 		run_program(0, "rm %s", path);
980 		/* Plausibly we should unlink an empty xfer_dir as well */
981 	}
982 
983 	set_status[dist->set] |= SET_INSTALLED;
984 	tarstats.nsuccess++;
985 	return SET_OK;
986 }
987 
988 static void
989 skip_set(distinfo *dist, int skip_type)
990 {
991 	int nested;
992 	int set;
993 
994 	nested = 0;
995 	while ((++dist)->set != SET_GROUP_END || nested--) {
996 		set = dist->set;
997 		if (set == SET_GROUP) {
998 			nested++;
999 			continue;
1000 		}
1001 		if (set == SET_LAST)
1002 			break;
1003 		if (set_status[set] == (SET_SELECTED | SET_VALID))
1004 			set_status[set] |= SET_SKIPPED;
1005 		tarstats.nskipped++;
1006 	}
1007 }
1008 
1009 /*
1010  * Get and unpack the distribution.
1011  * Show success_msg if installation completes.
1012  * Otherwise show failure_msg and wait for the user to ack it before continuing.
1013  * success_msg and failure_msg must both be 0-adic messages.
1014  */
1015 int
1016 get_and_unpack_sets(int update, msg setupdone_msg, msg success_msg, msg failure_msg)
1017 {
1018 	distinfo *dist;
1019 	int status;
1020 	int set;
1021 
1022 	/* Ensure mountpoint for distribution files exists in current root. */
1023 	(void)mkdir("/mnt2", S_IRWXU| S_IRGRP|S_IXGRP | S_IROTH|S_IXOTH);
1024 	if (script)
1025 		(void)fprintf(script, "mkdir -m 755 /mnt2\n");
1026 
1027 	/* reset failure/success counters */
1028 	memset(&tarstats, 0, sizeof(tarstats));
1029 
1030 	/* Find out which files to "get" if we get files. */
1031 
1032 	/* Accurately count selected sets */
1033 	for (dist = dist_list; (set = dist->set) != SET_LAST; dist++) {
1034 		if (dist->name == NULL)
1035 			continue;
1036 		if ((set_status[set] & (SET_VALID | SET_SELECTED))
1037 		    == (SET_VALID | SET_SELECTED))
1038 			tarstats.nselected++;
1039 	}
1040 
1041 	status = SET_RETRY;
1042 	for (dist = dist_list; (set = dist->set) != SET_LAST; dist++) {
1043 		if (dist->name == NULL)
1044 			continue;
1045 		if (set_status[set] != (SET_VALID | SET_SELECTED))
1046 			continue;
1047 
1048 		if (status != SET_OK) {
1049 			/* This might force a redraw.... */
1050 			clearok(curscr, 1);
1051 			touchwin(stdscr);
1052 			wrefresh(stdscr);
1053 			/* Sort out the location of the set files */
1054 			do {
1055 				umount_mnt2();
1056 				msg_fmt_display(MSG_distmedium, "%d%d%s",
1057 				    tarstats.nselected,
1058 				    tarstats.nsuccess + tarstats.nskipped,
1059 				    dist->name);
1060 				fetch_fn = NULL;
1061 				process_menu(MENU_distmedium, &status);
1062 			} while (status == SET_RETRY);
1063 
1064 			if (status == SET_SKIP) {
1065 				set_status[set] |= SET_SKIPPED;
1066 				tarstats.nskipped++;
1067 				continue;
1068 			}
1069 			if (status == SET_SKIP_GROUP) {
1070 				skip_set(dist, status);
1071 				continue;
1072 			}
1073 			if (status != SET_OK) {
1074 				hit_enter_to_continue(failure_msg, NULL);
1075 				return 1;
1076 			}
1077 		}
1078 
1079 		/* Try to extract this set */
1080 		status = extract_file(dist, update);
1081 		if (status == SET_RETRY)
1082 			dist--;
1083 	}
1084 
1085 	if (tarstats.nerror == 0 && tarstats.nsuccess == tarstats.nselected) {
1086 		msg_display(MSG_endtarok);
1087 		/* Give user a chance to see the success message */
1088 		sleep(1);
1089 	} else {
1090 		/* We encountered errors. Let the user know. */
1091 		msg_fmt_display(MSG_endtar, "%d%d%d%d%d%d",
1092 		    tarstats.nselected, tarstats.nnotfound, tarstats.nskipped,
1093 		    tarstats.nfound, tarstats.nsuccess, tarstats.nerror);
1094 		hit_enter_to_continue(NULL, NULL);
1095 	}
1096 
1097 	/*
1098 	 * postinstall needs to be run after extracting all sets, because
1099 	 * otherwise /var/db/obsolete will only have current information
1100 	 * from the base, comp, and etc sets.
1101 	 */
1102 	if (update && (set_status[SET_ETC] & SET_INSTALLED)) {
1103 		int oldsendmail;
1104 		oldsendmail = run_program(RUN_DISPLAY | RUN_CHROOT |
1105 					  RUN_ERROR_OK | RUN_PROGRESS,
1106 					  "/usr/sbin/postinstall -s /.sysinst -d / check mailerconf");
1107 		if (oldsendmail == 1) {
1108 			msg_display(MSG_oldsendmail);
1109 			if (ask_yesno(NULL)) {
1110 				run_program(RUN_DISPLAY | RUN_CHROOT,
1111 					    "/usr/sbin/postinstall -s /.sysinst -d / fix mailerconf");
1112 			}
1113 		}
1114 		run_program(RUN_DISPLAY | RUN_CHROOT,
1115 			"/usr/sbin/postinstall -s /.sysinst -d / fix");
1116 
1117 		/* Don't discard the system's old entropy if any */
1118 		run_program(RUN_CHROOT | RUN_SILENT,
1119 			    "/etc/rc.d/random_seed start");
1120 	}
1121 
1122 	/* Configure the system */
1123 	if (set_status[SET_BASE] & SET_INSTALLED)
1124 		run_makedev();
1125 
1126 	if (!update) {
1127 		struct stat sb1, sb2;
1128 
1129 		if (stat(target_expand("/"), &sb1) == 0
1130 		    && stat(target_expand("/var"), &sb2) == 0
1131 		    && sb1.st_dev != sb2.st_dev) {
1132 			add_rc_conf("random_file=/etc/entropy-file\n");
1133 			if (target_file_exists_p("/boot.cfg")) {
1134 				run_program(RUN_CHROOT|RUN_FATAL,
1135 					    "sh -c 'sed -e s./var/db/./etc/. "
1136 					    "< /boot.cfg "
1137 					    "> /tmp/boot.cfg.tmp'");
1138 				mv_within_target_or_die("/tmp/boot.cfg.tmp",
1139 							"/boot.cfg");
1140 			}
1141 		}
1142 
1143 		/* Save keyboard type */
1144 		save_kb_encoding();
1145 
1146 		/* Other configuration. */
1147 		mnt_net_config();
1148 	}
1149 
1150 	/* Mounted dist dir? */
1151 	umount_mnt2();
1152 
1153 	/* Save entropy -- on some systems it's ~all we'll ever get */
1154 	run_program(RUN_DISPLAY | RUN_CHROOT | RUN_FATAL | RUN_PROGRESS,
1155 		    "/etc/rc.d/random_seed stop");
1156 	/* Install/Upgrade complete ... reboot or exit to script */
1157 	hit_enter_to_continue(success_msg, NULL);
1158 	return 0;
1159 }
1160 
1161 void
1162 umount_mnt2(void)
1163 {
1164 	if (!mnt2_mounted)
1165 		return;
1166 	run_program(RUN_SILENT, "/sbin/umount /mnt2");
1167 	mnt2_mounted = 0;
1168 }
1169 
1170 
1171 /*
1172  * Do a quick sanity check that  the target can reboot.
1173  * return 1 if everything OK, 0 if there is a problem.
1174  * Uses a table of files we expect to find after a base install/upgrade.
1175  */
1176 
1177 /* test flag and pathname to check for after unpacking. */
1178 struct check_table { unsigned int mode; const char *path;} checks[] = {
1179   { S_IFREG, "/netbsd" },
1180   { S_IFDIR, "/etc" },
1181   { S_IFREG, "/etc/fstab" },
1182   { S_IFREG, "/sbin/init" },
1183   { S_IFREG, "/bin/sh" },
1184   { S_IFREG, "/etc/rc" },
1185   { S_IFREG, "/etc/rc.subr" },
1186   { S_IFREG, "/etc/rc.conf" },
1187   { S_IFDIR, "/dev" },
1188   { S_IFCHR, "/dev/console" },
1189 /* XXX check for rootdev in target /dev? */
1190   { S_IFREG, "/sbin/fsck" },
1191   { S_IFREG, "/sbin/fsck_ffs" },
1192   { S_IFREG, "/sbin/mount" },
1193   { S_IFREG, "/sbin/mount_ffs" },
1194   { S_IFREG, "/sbin/mount_nfs" },
1195 #if defined(DEBUG) || defined(DEBUG_CHECK)
1196   { S_IFREG, "/foo/bar" },		/* bad entry to exercise warning */
1197 #endif
1198   { 0, 0 }
1199 
1200 };
1201 
1202 /*
1203  * Check target for a single file.
1204  */
1205 static int
1206 check_for(unsigned int mode, const char *pathname)
1207 {
1208 	int found;
1209 
1210 	found = (target_test(mode, pathname) == 0);
1211 	if (found == 0)
1212 		msg_fmt_display(MSG_rootmissing, "%s", pathname);
1213 	return found;
1214 }
1215 
1216 /*
1217  * Check that all the files in check_table are present in the
1218  * target root. Warn if not found.
1219  */
1220 int
1221 sanity_check(void)
1222 {
1223 	int target_ok = 1;
1224 	struct check_table *p;
1225 
1226 	for (p = checks; p->path; p++) {
1227 		target_ok = target_ok && check_for(p->mode, p->path);
1228 	}
1229 	if (target_ok)
1230 		return 0;
1231 
1232 	/* Uh, oh. Something's missing. */
1233 	hit_enter_to_continue(MSG_badroot, NULL);
1234 	return 1;
1235 }
1236 
1237 /*
1238  * Some globals to pass things back from callbacks
1239  */
1240 static char zoneinfo_dir[STRSIZE];
1241 static int zonerootlen;
1242 static char *tz_selected;	/* timezonename (relative to share/zoneinfo */
1243 const char *tz_default;		/* UTC, or whatever /etc/localtime points to */
1244 static char tz_env[STRSIZE];
1245 static int save_cursel, save_topline;
1246 
1247 /*
1248  * Callback from timezone menu
1249  */
1250 static int
1251 set_tz_select(menudesc *m, void *arg)
1252 {
1253 	time_t t;
1254 	char *new;
1255 	struct tm *tm;
1256 
1257 	if (m && strcmp(tz_selected, m->opts[m->cursel].opt_name) != 0) {
1258 		/* Change the displayed timezone */
1259 		new = strdup(m->opts[m->cursel].opt_name);
1260 		if (new == NULL)
1261 			return 0;
1262 		free(tz_selected);
1263 		tz_selected = new;
1264 		snprintf(tz_env, sizeof tz_env, "%.*s%s",
1265 			 zonerootlen, zoneinfo_dir, tz_selected);
1266 		setenv("TZ", tz_env, 1);
1267 	}
1268 	if (m)
1269 		/* Warp curser to 'Exit' line on menu */
1270 		m->cursel = -1;
1271 
1272 	/* Update displayed time */
1273 	t = time(NULL);
1274 	tm = localtime(&t);
1275 	msg_fmt_display(MSG_choose_timezone, "%s%s%s%s",
1276 		    tz_default, tz_selected, safectime(&t), tm ? tm->tm_zone :
1277 		    "?");
1278 	return 0;
1279 }
1280 
1281 static int
1282 set_tz_back(menudesc *m, void *arg)
1283 {
1284 
1285 	zoneinfo_dir[zonerootlen] = 0;
1286 	m->cursel = save_cursel;
1287 	m->topline = save_topline;
1288 	return 0;
1289 }
1290 
1291 static int
1292 set_tz_dir(menudesc *m, void *arg)
1293 {
1294 
1295 	strlcpy(zoneinfo_dir + zonerootlen, m->opts[m->cursel].opt_name,
1296 		sizeof zoneinfo_dir - zonerootlen);
1297 	save_cursel = m->cursel;
1298 	save_topline = m->topline;
1299 	m->cursel = 0;
1300 	m->topline = 0;
1301 	return 0;
1302 }
1303 
1304 /*
1305  * Alarm-handler to update example-display
1306  */
1307 static void
1308 /*ARGSUSED*/
1309 timezone_sig(int sig)
1310 {
1311 
1312 	set_tz_select(NULL, NULL);
1313 	alarm(60);
1314 }
1315 
1316 static int
1317 tz_sort(const void *a, const void *b)
1318 {
1319 	return strcmp(((const menu_ent *)a)->opt_name, ((const menu_ent *)b)->opt_name);
1320 }
1321 
1322 static void
1323 tzm_set_names(menudesc *m, void *arg)
1324 {
1325 	DIR *dir;
1326 	struct dirent *dp;
1327 	static int nfiles;
1328 	static int maxfiles = 32;
1329 	static menu_ent *tz_menu;
1330 	static char **tz_names;
1331 	void *p;
1332 	int maxfname;
1333 	char *fp;
1334 	struct stat sb;
1335 
1336 	if (tz_menu == NULL)
1337 		tz_menu = malloc(maxfiles * sizeof *tz_menu);
1338 	if (tz_names == NULL)
1339 		tz_names = malloc(maxfiles * sizeof *tz_names);
1340 	if (tz_menu == NULL || tz_names == NULL)
1341 		return;	/* error - skip timezone setting */
1342 	while (nfiles > 0)
1343 		free(tz_names[--nfiles]);
1344 
1345 	dir = opendir(zoneinfo_dir);
1346 	fp = strchr(zoneinfo_dir, 0);
1347 	if (fp != zoneinfo_dir + zonerootlen) {
1348 		tz_names[0] = 0;
1349 		tz_menu[0].opt_name = msg_string(MSG_tz_back);
1350 		tz_menu[0].opt_exp_name = NULL;
1351 		tz_menu[0].opt_menu = OPT_NOMENU;
1352 		tz_menu[0].opt_flags = 0;
1353 		tz_menu[0].opt_action = set_tz_back;
1354 		nfiles = 1;
1355 	}
1356 	maxfname = zoneinfo_dir + sizeof zoneinfo_dir - fp - 1;
1357 	if (dir != NULL) {
1358 		while ((dp = readdir(dir)) != NULL) {
1359 			if (dp->d_namlen > maxfname || dp->d_name[0] == '.')
1360 				continue;
1361 			strlcpy(fp, dp->d_name, maxfname);
1362 			if (stat(zoneinfo_dir, &sb) == -1)
1363 				continue;
1364 			if (nfiles >= maxfiles) {
1365 				p = realloc(tz_menu, 2 * maxfiles * sizeof *tz_menu);
1366 				if (p == NULL)
1367 					break;
1368 				tz_menu = p;
1369 				p = realloc(tz_names, 2 * maxfiles * sizeof *tz_names);
1370 				if (p == NULL)
1371 					break;
1372 				tz_names = p;
1373 				maxfiles *= 2;
1374 			}
1375 			if (S_ISREG(sb.st_mode))
1376 				tz_menu[nfiles].opt_action = set_tz_select;
1377 			else if (S_ISDIR(sb.st_mode)) {
1378 				tz_menu[nfiles].opt_action = set_tz_dir;
1379 				strlcat(fp, "/",
1380 				    sizeof(zoneinfo_dir) - (fp - zoneinfo_dir));
1381 			} else
1382 				continue;
1383 			tz_names[nfiles] = strdup(zoneinfo_dir + zonerootlen);
1384 			tz_menu[nfiles].opt_name = tz_names[nfiles];
1385 			tz_menu[nfiles].opt_exp_name = NULL;
1386 			tz_menu[nfiles].opt_menu = OPT_NOMENU;
1387 			tz_menu[nfiles].opt_flags = 0;
1388 			nfiles++;
1389 		}
1390 		closedir(dir);
1391 	}
1392 	*fp = 0;
1393 
1394 	m->opts = tz_menu;
1395 	m->numopts = nfiles;
1396 	qsort(tz_menu, nfiles, sizeof *tz_menu, tz_sort);
1397 }
1398 
1399 void
1400 get_tz_default(void)
1401 {
1402 	char localtime_link[STRSIZE];
1403 	static char localtime_target[STRSIZE];
1404 	int rc;
1405 
1406 	strlcpy(localtime_link, target_expand("/etc/localtime"),
1407 	    sizeof localtime_link);
1408 
1409 	/* Add sanity check that /mnt/usr/share/zoneinfo contains
1410 	 * something useful
1411 	 */
1412 
1413 	rc = readlink(localtime_link, localtime_target,
1414 		      sizeof(localtime_target) - 1);
1415 	if (rc < 0) {
1416 		/* error, default to UTC */
1417 		tz_default = "UTC";
1418 	} else {
1419 		localtime_target[rc] = '\0';
1420 		tz_default = strchr(strstr(localtime_target, "zoneinfo"), '/') + 1;
1421 	}
1422 }
1423 
1424 /*
1425  * Choose from the files in usr/share/zoneinfo and set etc/localtime
1426  */
1427 int
1428 set_timezone(void)
1429 {
1430 	char localtime_link[STRSIZE];
1431 	char localtime_target[STRSIZE];
1432 	time_t t;
1433 	struct tm *tm;
1434 	int menu_no;
1435 
1436 	strlcpy(zoneinfo_dir, target_expand("/usr/share/zoneinfo/"),
1437 	    sizeof zoneinfo_dir - 1);
1438 	zonerootlen = strlen(zoneinfo_dir);
1439 
1440 	get_tz_default();
1441 
1442 	tz_selected = strdup(tz_default);
1443 	snprintf(tz_env, sizeof(tz_env), "%s%s", zoneinfo_dir, tz_selected);
1444 	setenv("TZ", tz_env, 1);
1445 	t = time(NULL);
1446 	tm = localtime(&t);
1447 	msg_fmt_display(MSG_choose_timezone, "%s%s%s%s",
1448 	    tz_default, tz_selected, safectime(&t), tm ? tm->tm_zone : "?");
1449 
1450 	signal(SIGALRM, timezone_sig);
1451 	alarm(60);
1452 
1453 	menu_no = new_menu(NULL, NULL, 14, 23, 9,
1454 			   12, 32, MC_ALWAYS_SCROLL | MC_NOSHORTCUT,
1455 			   tzm_set_names, NULL, NULL,
1456 			   "\nPlease consult the install documents.", NULL);
1457 	if (menu_no < 0)
1458 		goto done;	/* error - skip timezone setting */
1459 
1460 	process_menu(menu_no, NULL);
1461 
1462 	free_menu(menu_no);
1463 
1464 	signal(SIGALRM, SIG_IGN);
1465 
1466 	snprintf(localtime_target, sizeof(localtime_target),
1467 		 "/usr/share/zoneinfo/%s", tz_selected);
1468 	strlcpy(localtime_link, target_expand("/etc/localtime"),
1469 	    sizeof localtime_link);
1470 	unlink(localtime_link);
1471 	symlink(localtime_target, localtime_link);
1472 
1473 done:
1474 	return 1;
1475 }
1476 
1477 void
1478 scripting_vfprintf(FILE *f, const char *fmt, va_list ap)
1479 {
1480 
1481 	if (f)
1482 		(void)vfprintf(f, fmt, ap);
1483 	if (script)
1484 		(void)vfprintf(script, fmt, ap);
1485 }
1486 
1487 void
1488 scripting_fprintf(FILE *f, const char *fmt, ...)
1489 {
1490 	va_list ap;
1491 
1492 	va_start(ap, fmt);
1493 	scripting_vfprintf(f, fmt, ap);
1494 	va_end(ap);
1495 }
1496 
1497 void
1498 add_rc_conf(const char *fmt, ...)
1499 {
1500 	FILE *f;
1501 	va_list ap;
1502 
1503 	va_start(ap, fmt);
1504 	f = target_fopen("/etc/rc.conf", "a");
1505 	if (f != 0) {
1506 		scripting_fprintf(NULL, "cat <<EOF >>%s/etc/rc.conf\n",
1507 		    target_prefix());
1508 		scripting_vfprintf(f, fmt, ap);
1509 		fclose(f);
1510 		scripting_fprintf(NULL, "EOF\n");
1511 	}
1512 	va_end(ap);
1513 }
1514 
1515 int
1516 del_rc_conf(const char *value)
1517 {
1518 	FILE *fp, *nfp;
1519 	char buf[4096]; /* Ridiculously high, but should be enough in any way */
1520 	char *rcconf, *tempname = NULL, *bakname = NULL;
1521 	char *cp;
1522 	int done = 0;
1523 	int fd;
1524 	int retval = 0;
1525 
1526 	/* The paths might seem strange, but using /tmp would require copy instead
1527 	 * of rename operations. */
1528 	if (asprintf(&rcconf, "%s", target_expand("/etc/rc.conf")) < 0
1529 			|| asprintf(&tempname, "%s", target_expand("/etc/rc.conf.tmp.XXXXXX")) < 0
1530 			|| asprintf(&bakname, "%s", target_expand("/etc/rc.conf.bak.XXXXXX")) < 0) {
1531 		if (rcconf)
1532 			free(rcconf);
1533 		if (tempname)
1534 			free(tempname);
1535 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1536 		hit_enter_to_continue(NULL, NULL);
1537 		return -1;
1538 	}
1539 
1540 	if ((fd = mkstemp(bakname)) < 0) {
1541 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1542 		hit_enter_to_continue(NULL, NULL);
1543 		return -1;
1544 	}
1545 	close(fd);
1546 
1547 	if (!(fp = fopen(rcconf, "r+")) || (fd = mkstemp(tempname)) < 0) {
1548 		if (fp)
1549 			fclose(fp);
1550 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1551 		hit_enter_to_continue(NULL, NULL);
1552 		return -1;
1553 	}
1554 
1555 	nfp = fdopen(fd, "w");
1556 	if (!nfp) {
1557 		fclose(fp);
1558 		close(fd);
1559 		msg_fmt_display(MSG_rcconf_delete_failed, "%s", value);
1560 		hit_enter_to_continue(NULL, NULL);
1561 		return -1;
1562 	}
1563 
1564 	while (fgets(buf, sizeof buf, fp) != NULL) {
1565 
1566 		cp = buf + strspn(buf, " \t"); /* Skip initial spaces */
1567 		if (strncmp(cp, value, strlen(value)) == 0) {
1568 			cp += strlen(value);
1569 			if (*cp != '=')
1570 				scripting_fprintf(nfp, "%s", buf);
1571 			else
1572 				done = 1;
1573 		} else {
1574 			scripting_fprintf(nfp, "%s", buf);
1575 		}
1576 	}
1577 	fclose(fp);
1578 	fclose(nfp);
1579 
1580 	if (done) {
1581 		if (rename(rcconf, bakname)) {
1582 			msg_display(MSG_rcconf_backup_failed);
1583 			if (!ask_noyes(NULL)) {
1584 				retval = -1;
1585 				goto done;
1586 			}
1587 		}
1588 
1589 		if (rename(tempname, rcconf)) {
1590 			if (rename(bakname, rcconf)) {
1591 				hit_enter_to_continue(MSG_rcconf_restore_failed,
1592 				    NULL);
1593 			} else {
1594 				hit_enter_to_continue(MSG_rcconf_delete_failed,
1595 				    NULL);
1596 			}
1597 		} else {
1598 			(void)unlink(bakname);
1599 		}
1600 	}
1601 
1602 done:
1603 	(void)unlink(tempname);
1604 	free(rcconf);
1605 	free(tempname);
1606 	free(bakname);
1607 	return retval;
1608 }
1609 
1610 void
1611 add_sysctl_conf(const char *fmt, ...)
1612 {
1613 	FILE *f;
1614 	va_list ap;
1615 
1616 	va_start(ap, fmt);
1617 	f = target_fopen("/etc/sysctl.conf", "a");
1618 	if (f != 0) {
1619 		scripting_fprintf(NULL, "cat <<EOF >>%s/etc/sysctl.conf\n",
1620 		    target_prefix());
1621 		scripting_vfprintf(f, fmt, ap);
1622 		fclose(f);
1623 		scripting_fprintf(NULL, "EOF\n");
1624 	}
1625 	va_end(ap);
1626 }
1627 
1628 void
1629 enable_rc_conf(void)
1630 {
1631 
1632 	replace("/etc/rc.conf", "s/^rc_configured=NO/rc_configured=YES/");
1633 }
1634 
1635 int
1636 check_lfs_progs(void)
1637 {
1638 
1639 #ifndef NO_LFS
1640 	return binary_available("fsck_lfs") && binary_available("mount_lfs")
1641 	    && binary_available("newfs_lfs");
1642 #else
1643 	return 0;
1644 #endif
1645 }
1646 
1647 int
1648 set_is_source(const char *set_name) {
1649 	int len = strlen(set_name);
1650 	return len >= 3 && memcmp(set_name + len - 3, "src", 3) == 0;
1651 }
1652 
1653 const char *
1654 set_dir_for_set(const char *set_name) {
1655 	if (strcmp(set_name, "pkgsrc") == 0)
1656 		return pkgsrc_dir;
1657 	return set_is_source(set_name) ? set_dir_src : set_dir_bin;
1658 }
1659 
1660 const char *
1661 ext_dir_for_set(const char *set_name) {
1662 	if (strcmp(set_name, "pkgsrc") == 0)
1663 		return ext_dir_pkgsrc;
1664 	return set_is_source(set_name) ? ext_dir_src : ext_dir_bin;
1665 }
1666 
1667 void
1668 do_coloring(unsigned int fg, unsigned int bg) {
1669 	if (bg > COLOR_WHITE)
1670 		bg = COLOR_BLUE;
1671 	if (fg > COLOR_WHITE)
1672 		fg = COLOR_WHITE;
1673 	if (fg != bg && has_colors()) {
1674 		init_pair(1, fg, bg);
1675 		wbkgd(stdscr, COLOR_PAIR(1));
1676 		wbkgd(mainwin, COLOR_PAIR(1));
1677 		wattrset(stdscr, COLOR_PAIR(1));
1678 		wattrset(mainwin, COLOR_PAIR(1));
1679 	}
1680 	/* redraw screen */
1681 	touchwin(stdscr);
1682 	touchwin(mainwin);
1683 	wrefresh(stdscr);
1684 	wrefresh(mainwin);
1685 	return;
1686 }
1687 
1688 int
1689 set_menu_select(menudesc *m, void *arg)
1690 {
1691 	*(int *)arg = m->cursel;
1692 	return 1;
1693 }
1694 
1695 /*
1696  * check wether a binary is available somewhere in PATH,
1697  * return 1 if found, 0 if not.
1698  */
1699 static int
1700 binary_available(const char *prog)
1701 {
1702         char *p, tmp[MAXPATHLEN], *path = getenv("PATH"), *opath;
1703 
1704         if (path == NULL)
1705                 return access(prog, X_OK) == 0;
1706         path = strdup(path);
1707         if (path == NULL)
1708                 return 0;
1709 
1710 	opath = path;
1711 
1712         while ((p = strsep(&path, ":")) != NULL) {
1713                 if (strlcpy(tmp, p, MAXPATHLEN) >= MAXPATHLEN)
1714                         continue;
1715                 if (strlcat(tmp, "/", MAXPATHLEN) >= MAXPATHLEN)
1716                         continue;
1717                 if (strlcat(tmp, prog, MAXPATHLEN) >= MAXPATHLEN)
1718                         continue;
1719                 if (access(tmp, X_OK) == 0) {
1720                         free(opath);
1721                         return 1;
1722                 }
1723         }
1724         free(opath);
1725         return 0;
1726 }
1727 
1728 const char *
1729 safectime(time_t *t)
1730 {
1731 	const char *s = ctime(t);
1732 	if (s != NULL)
1733 		return s;
1734 
1735 	// Debugging.
1736 	fprintf(stderr, "Can't convert to localtime 0x%jx (%s)\n",
1737 	    (intmax_t)*t, strerror(errno));
1738 	      /*123456789012345678901234*/
1739 	return "preposterous clock time\n";
1740 }
1741 
1742 int
1743 ask_yesno(const char* msgtxt)
1744 {
1745 	arg_rv p;
1746 
1747 	p.arg = __UNCONST(msgtxt);
1748 	p.rv = -1;
1749 
1750 	process_menu(MENU_yesno, &p);
1751 	return p.rv;
1752 }
1753 
1754 int
1755 ask_noyes(const char *msgtxt)
1756 {
1757 	arg_rv p;
1758 
1759 	p.arg = __UNCONST(msgtxt);
1760 	p.rv = -1;
1761 
1762 	process_menu(MENU_noyes, &p);
1763 	return p.rv;
1764 }
1765 
1766 int
1767 ask_reedit(const struct disk_partitions *parts)
1768 {
1769 	const char *args[2];
1770 	arg_rep_int arg;
1771 
1772 	args[0] = msg_string(parts->pscheme->name);
1773 	args[1] = msg_string(parts->pscheme->short_name);
1774 	arg.args.argv = args;
1775 	arg.args.argc = 2;
1776 	arg.rv = 0;
1777 	process_menu(MENU_reedit, &arg);
1778 
1779 	return arg.rv;
1780 }
1781 
1782 bool
1783 use_tgz_for_set(const char *set_name)
1784 {
1785 	const struct distinfo *dist;
1786 
1787 	for (dist = dist_list; dist->set != SET_LAST; dist++) {
1788 		if (dist->name == NULL)
1789 			continue;
1790 		if (strcmp(set_name, dist->name) == 0)
1791 			return dist->force_tgz;
1792 	}
1793 
1794 	return true;
1795 }
1796 
1797 /* Return the postfix used for a given set */
1798 const char *
1799 set_postfix(const char *set_name)
1800 {
1801 	return use_tgz_for_set(set_name) ? dist_tgz_postfix : dist_postfix;
1802 }
1803 
1804 /*
1805  * Replace positional arguments (encoded as $0 .. $N) in the string
1806  * passed by the contents of the passed argument array.
1807  * Caller must free() the result string.
1808  */
1809 char*
1810 str_arg_subst(const char *src, size_t argc, const char **argv)
1811 {
1812 	const char *p, *last;
1813 	char *out, *t;
1814 	size_t len;
1815 
1816 	len = strlen(src);
1817 	for (p = strchr(src, '$'); p; p = strchr(p+1, '$')) {
1818 		char *endp = NULL;
1819 		size_t n;
1820 		int e;
1821 
1822 		/* $ followed by a correct numeric position? */
1823 		n = strtou(p+1, &endp, 10, 0, INT_MAX, &e);
1824 		if ((e == 0 || e == ENOTSUP) && n < argc) {
1825 			len += strlen(argv[n]);
1826 			len -= endp-p;
1827 			p = endp-1;
1828 		}
1829 	}
1830 
1831 	out = malloc(len+1);
1832 	if (out == NULL)
1833 		return NULL;
1834 
1835 	t = out;
1836 	for (last = src, p = strchr(src, '$'); p; p = strchr(p+1, '$')) {
1837 		char *endp = NULL;
1838 		size_t n;
1839 		int e;
1840 
1841 		/* $ followed by a correct numeric position? */
1842 		n = strtou(p+1, &endp, 10, 0, INT_MAX, &e);
1843 		if ((e == 0 || e == ENOTSUP) && n < argc) {
1844 			size_t l = p-last;
1845 			memcpy(t, last, l);
1846 			t += l;
1847 			strcpy(t, argv[n]);
1848 			t += strlen(argv[n]);
1849 			last = endp;
1850 		}
1851 	}
1852 	if (*last) {
1853 		strcpy(t, last);
1854 		t += strlen(last);
1855 	} else {
1856 		*t = 0;
1857 	}
1858 	assert((size_t)(t-out) == len);
1859 
1860 	return out;
1861 }
1862 
1863 /*
1864  * Does this string have any positional args that need expanding?
1865  */
1866 bool
1867 needs_expanding(const char *src, size_t argc)
1868 {
1869 	const char *p;
1870 
1871 	for (p = strchr(src, '$'); p; p = strchr(p+1, '$')) {
1872 		char *endp = NULL;
1873 		size_t n;
1874 		int e;
1875 
1876 		/* $ followed by a correct numeric position? */
1877 		n = strtou(p+1, &endp, 10, 0, INT_MAX, &e);
1878 		if ((e == 0 || e == ENOTSUP) && n < argc)
1879 			return true;
1880 	}
1881 	return false;
1882 }
1883 
1884 /*
1885  * Replace positional arguments (encoded as $0 .. $N) in the
1886  * message by the strings passed as ... and call outfunc
1887  * with the result.
1888  */
1889 static void
1890 msg_display_subst_internal(void (*outfunc)(msg),
1891     const char *master, size_t argc, va_list ap)
1892 {
1893 	const char **args, **arg;
1894 	char *out;
1895 
1896 	args = calloc(argc, sizeof(*args));
1897 	if (args == NULL)
1898 		return;
1899 
1900 	arg = args;
1901 	for (size_t i = 0; i < argc; i++)
1902 		*arg++ = va_arg(ap, const char*);
1903 
1904 	out = str_arg_subst(msg_string(master), argc, args);
1905 	if (out != NULL) {
1906 		outfunc(out);
1907 		free(out);
1908 	}
1909 	free(args);
1910 }
1911 
1912 /*
1913  * Replace positional arguments (encoded as $0 .. $N) in the
1914  * message by the strings passed as ...
1915  */
1916 void
1917 msg_display_subst(const char *master, size_t argc, ...)
1918 {
1919 	va_list ap;
1920 
1921 	va_start(ap, argc);
1922 	msg_display_subst_internal(msg_display, master, argc, ap);
1923 	va_end(ap);
1924 }
1925 
1926 /*
1927  * Same as above, but add to message instead of starting a new one
1928  */
1929 void
1930 msg_display_add_subst(const char *master, size_t argc, ...)
1931 {
1932 	va_list ap;
1933 
1934 	va_start(ap, argc);
1935 	msg_display_subst_internal(msg_display_add, master, argc, ap);
1936 	va_end(ap);
1937 }
1938 
1939 /* initialize have_* variables */
1940 void
1941 check_available_binaries()
1942 {
1943 	static int did_test = false;
1944 
1945 	if (did_test) return;
1946 	did_test = 1;
1947 
1948 	have_raid = binary_available("raidctl");
1949 	have_vnd = binary_available("vndconfig");
1950 	have_cgd = binary_available("cgdconfig");
1951 	have_lvm = binary_available("lvm");
1952 	have_gpt = binary_available("gpt");
1953 	have_dk = binary_available("dkctl");
1954 }
1955 
1956 /*
1957  * Wait for enter and immediately clear the screen after user response
1958  * (in case some longer action follows, so the user has instant feedback)
1959  */
1960 void
1961 hit_enter_to_continue(const char *prompt, const char *title)
1962 {
1963 	if (prompt != NULL)
1964 		msg_display(prompt);
1965         process_menu(MENU_ok, __UNCONST(title));
1966 	msg_clear();
1967 	wrefresh(mainwin);
1968 }
1969 
1970 /*
1971  * On auto pilot:
1972  * convert an existing set of partitions ot a list of part_usage_info
1973  * so that we "want" exactly what is there already.
1974  */
1975 static bool
1976 usage_info_list_from_parts(struct part_usage_info **list, size_t *count,
1977     struct disk_partitions *parts)
1978 {
1979 	struct disk_part_info info;
1980 	part_id pno;
1981 	size_t no, num;
1982 
1983 	num = 0;
1984 	for (pno = 0; pno < parts->num_part; pno++) {
1985 		if (!parts->pscheme->get_part_info(parts, pno, &info))
1986 			continue;
1987 		num++;
1988 	}
1989 
1990 	*list = calloc(num, sizeof(**list));
1991 	if (*list == NULL)
1992 		return false;
1993 
1994 	*count = num;
1995 	for (no = pno = 0; pno < parts->num_part && no < num; pno++) {
1996 		if (!parts->pscheme->get_part_info(parts, pno, &info))
1997 			continue;
1998 		(*list)[no].size = info.size;
1999 		if (info.last_mounted != NULL && *info.last_mounted != 0) {
2000 			strlcpy((*list)[no].mount, info.last_mounted,
2001 			    sizeof((*list)[no].mount));
2002 			(*list)[no].instflags |= PUIINST_MOUNT;
2003 		}
2004 		(*list)[no].parts = parts;
2005 		(*list)[no].cur_part_id = pno;
2006 		(*list)[no].cur_start = info.start;
2007 		(*list)[no].cur_flags = info.flags;
2008 		(*list)[no].type = info.nat_type->generic_ptype;
2009 		if ((*list)[no].type == PT_swap) {
2010 			(*list)[no].fs_type = FS_SWAP;
2011 			(*list)[no].fs_version = 0;
2012 		} else {
2013 			(*list)[no].fs_type = info.fs_type;
2014 			(*list)[no].fs_version = info.fs_sub_type;
2015 		}
2016 		no++;
2017 	}
2018 	return true;
2019 }
2020 
2021 bool
2022 usage_set_from_parts(struct partition_usage_set *wanted,
2023     struct disk_partitions *parts)
2024 {
2025 	memset(wanted, 0, sizeof(*wanted));
2026 	wanted->parts = parts;
2027 
2028 	return usage_info_list_from_parts(&wanted->infos, &wanted->num, parts);
2029 }
2030 
2031 bool
2032 install_desc_from_parts(struct install_partition_desc *install,
2033     struct disk_partitions *parts)
2034 {
2035 	struct disk_partitions *inner_parts;
2036 	daddr_t start, size;
2037 	part_id pno;
2038 	struct disk_part_info info;
2039 
2040 	memset(install, 0, sizeof(*install));
2041 
2042 	if (parts->pscheme->secondary_scheme != NULL) {
2043 		start = -1;
2044 		size = -1;
2045 		if (parts->pscheme->guess_install_target != NULL &&
2046 		    parts->pscheme->guess_install_target(parts,
2047 			&start, &size)) {
2048 		} else {
2049 			for (pno = 0; pno < parts->num_part; pno++) {
2050 				if (!parts->pscheme->get_part_info(parts, pno,
2051 				    &info))
2052 					continue;
2053 				if (!(info.flags & PTI_SEC_CONTAINER))
2054 					continue;
2055 				start = info.start;
2056 				size = info.size;
2057 			}
2058 		}
2059 		if (size > 0) {
2060 			inner_parts = parts->pscheme->secondary_partitions(
2061 			    parts, start, false);
2062 			if (inner_parts != NULL)
2063 				parts = inner_parts;
2064 		}
2065 	}
2066 
2067 	return usage_info_list_from_parts(&install->infos, &install->num,
2068 	    parts);
2069 }
2070 
2071 void
2072 free_usage_set(struct partition_usage_set *wanted)
2073 {
2074 	free(wanted->menu_opts);
2075 	free(wanted->infos);
2076 }
2077 
2078 void
2079 free_install_desc(struct install_partition_desc *install)
2080 {
2081 	free(install->infos);
2082 }
2083 
2084