xref: /netbsd-src/usr.sbin/sysinst/util.c (revision aad9773e38ed2370a628a6416e098f9008fc10a7)
1 /*	$NetBSD: util.c,v 1.5 2014/10/14 16:35:20 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 <stdio.h>
38 #include <stdarg.h>
39 #include <string.h>
40 #include <unistd.h>
41 #include <sys/mount.h>
42 #include <sys/disklabel.h>
43 #include <sys/dkio.h>
44 #include <sys/ioctl.h>
45 #include <sys/types.h>
46 #include <sys/param.h>
47 #include <sys/sysctl.h>
48 #include <sys/stat.h>
49 #include <sys/statvfs.h>
50 #include <isofs/cd9660/iso.h>
51 #include <curses.h>
52 #include <err.h>
53 #include <errno.h>
54 #include <dirent.h>
55 #include <util.h>
56 #include "defs.h"
57 #include "md.h"
58 #include "msg_defs.h"
59 #include "menu_defs.h"
60 
61 #ifndef MD_SETS_SELECTED
62 #define MD_SETS_SELECTED SET_KERNEL_1, SET_SYSTEM, SET_X11, SET_MD
63 #endif
64 #ifndef MD_SETS_SELECTED_MINIMAL
65 #define MD_SETS_SELECTED_MINIMAL SET_KERNEL_1, SET_CORE
66 #endif
67 #ifndef MD_SETS_SELECTED_NOX
68 #define MD_SETS_SELECTED_NOX SET_KERNEL_1, SET_SYSTEM, SET_MD
69 #endif
70 #ifndef MD_SETS_VALID
71 #define MD_SETS_VALID SET_KERNEL, SET_SYSTEM, SET_X11, SET_MD, SET_SOURCE, SET_DEBUGGING
72 #endif
73 
74 #define MAX_CD_DEVS	256	/* how many cd drives do we expect to attach */
75 #define ISO_BLKSIZE	ISO_DEFAULT_BLOCK_SIZE
76 
77 static const char *msg_yes, *msg_no, *msg_all, *msg_some, *msg_none;
78 static const char *msg_cur_distsets_row;
79 static int select_menu_width;
80 
81 static uint8_t set_status[SET_GROUP_END];
82 #define SET_VALID	0x01
83 #define SET_SELECTED	0x02
84 #define SET_SKIPPED	0x04
85 #define SET_INSTALLED	0x08
86 
87 struct  tarstats {
88 	int nselected;
89 	int nfound;
90 	int nnotfound;
91 	int nerror;
92 	int nsuccess;
93 	int nskipped;
94 } tarstats;
95 
96 distinfo dist_list[] = {
97 #ifdef SET_KERNEL_1_NAME
98 	{SET_KERNEL_1_NAME,	SET_KERNEL_1,		MSG_set_kernel_1, NULL},
99 #endif
100 #ifdef SET_KERNEL_2_NAME
101 	{SET_KERNEL_2_NAME,	SET_KERNEL_2,		MSG_set_kernel_2, NULL},
102 #endif
103 #ifdef SET_KERNEL_3_NAME
104 	{SET_KERNEL_3_NAME,	SET_KERNEL_3,		MSG_set_kernel_3, NULL},
105 #endif
106 #ifdef SET_KERNEL_4_NAME
107 	{SET_KERNEL_4_NAME,	SET_KERNEL_4,		MSG_set_kernel_4, NULL},
108 #endif
109 #ifdef SET_KERNEL_5_NAME
110 	{SET_KERNEL_5_NAME,	SET_KERNEL_5,		MSG_set_kernel_5, NULL},
111 #endif
112 #ifdef SET_KERNEL_6_NAME
113 	{SET_KERNEL_6_NAME,	SET_KERNEL_6,		MSG_set_kernel_6, NULL},
114 #endif
115 #ifdef SET_KERNEL_7_NAME
116 	{SET_KERNEL_7_NAME,	SET_KERNEL_7,		MSG_set_kernel_7, NULL},
117 #endif
118 #ifdef SET_KERNEL_8_NAME
119 	{SET_KERNEL_8_NAME,	SET_KERNEL_8,		MSG_set_kernel_8, NULL},
120 #endif
121 #ifdef SET_KERNEL_9_NAME
122 	{SET_KERNEL_9_NAME,	SET_KERNEL_9,		MSG_set_kernel_9, NULL},
123 #endif
124 
125 	{"modules",		SET_MODULES,		MSG_set_modules, NULL},
126 	{"base",		SET_BASE,		MSG_set_base, NULL},
127 	{"etc",			SET_ETC,		MSG_set_system, NULL},
128 	{"comp",		SET_COMPILER,		MSG_set_compiler, NULL},
129 	{"games",		SET_GAMES,		MSG_set_games, NULL},
130 	{"man",			SET_MAN_PAGES,		MSG_set_man_pages, NULL},
131 	{"misc",		SET_MISC,		MSG_set_misc, NULL},
132 	{"tests",		SET_TESTS,		MSG_set_tests, NULL},
133 	{"text",		SET_TEXT_TOOLS,		MSG_set_text_tools, NULL},
134 
135 	{NULL,			SET_GROUP,		MSG_set_X11, NULL},
136 	{"xbase",		SET_X11_BASE,		MSG_set_X11_base, NULL},
137 	{"xcomp",		SET_X11_PROG,		MSG_set_X11_prog, NULL},
138 	{"xetc",		SET_X11_ETC,		MSG_set_X11_etc, NULL},
139 	{"xfont",		SET_X11_FONTS,		MSG_set_X11_fonts, NULL},
140 	{"xserver",		SET_X11_SERVERS,	MSG_set_X11_servers, NULL},
141 	{NULL,			SET_GROUP_END,		NULL, NULL},
142 
143 #ifdef SET_MD_1_NAME
144 	{SET_MD_1_NAME,		SET_MD_1,		MSG_set_md_1, NULL},
145 #endif
146 #ifdef SET_MD_2_NAME
147 	{SET_MD_2_NAME,		SET_MD_2,		MSG_set_md_2, NULL},
148 #endif
149 #ifdef SET_MD_3_NAME
150 	{SET_MD_3_NAME,		SET_MD_3,		MSG_set_md_3, NULL},
151 #endif
152 #ifdef SET_MD_4_NAME
153 	{SET_MD_4_NAME,		SET_MD_4,		MSG_set_md_4, NULL},
154 #endif
155 
156 	{NULL,			SET_GROUP,		MSG_set_source, NULL},
157 	{"syssrc",		SET_SYSSRC,		MSG_set_syssrc, NULL},
158 	{"src",			SET_SRC,		MSG_set_src, NULL},
159 	{"sharesrc",		SET_SHARESRC,		MSG_set_sharesrc, NULL},
160 	{"gnusrc",		SET_GNUSRC,		MSG_set_gnusrc, NULL},
161 	{"xsrc",		SET_XSRC,		MSG_set_xsrc, NULL},
162 	{"debug",		SET_DEBUG,		MSG_set_debug, NULL},
163 	{"xdebug",		SET_X11_DEBUG,		MSG_set_xdebug, NULL},
164 	{NULL,			SET_GROUP_END,		NULL, NULL},
165 
166 	{NULL,			SET_LAST,		NULL, NULL},
167 };
168 
169 #define MAX_CD_INFOS	16	/* how many media can be found? */
170 struct cd_info {
171 	char device_name[16];
172 	char menu[100];
173 };
174 static struct cd_info cds[MAX_CD_INFOS];
175 
176 /*
177  * local prototypes
178  */
179 
180 static int check_for(unsigned int mode, const char *pathname);
181 static int get_iso9660_volname(int dev, int sess, char *volname);
182 static int get_available_cds(void);
183 
184 void
185 init_set_status(int flags)
186 {
187 	static const uint8_t sets_valid[] = {MD_SETS_VALID};
188 	static const uint8_t sets_selected_full[] = {MD_SETS_SELECTED};
189 	static const uint8_t sets_selected_minimal[] = {MD_SETS_SELECTED_MINIMAL};
190 	static const uint8_t sets_selected_nox[] = {MD_SETS_SELECTED_NOX};
191 	static const uint8_t *sets_selected;
192 	unsigned int nelem_selected;
193 	unsigned int i, len;
194 	const char *longest;
195 
196 	if (flags & SFLAG_MINIMAL) {
197 		sets_selected = sets_selected_minimal;
198 		nelem_selected = nelem(sets_selected_minimal);
199 	} else if (flags & SFLAG_NOX) {
200 		sets_selected = sets_selected_nox;
201 		nelem_selected = nelem(sets_selected_nox);
202 	} else {
203 		sets_selected = sets_selected_full;
204 		nelem_selected = nelem(sets_selected_full);
205 	}
206 
207 	for (i = 0; i < nelem(sets_valid); i++)
208 		set_status[sets_valid[i]] = SET_VALID;
209 	for (i = 0; i < nelem_selected; i++)
210 		set_status[sets_selected[i]] |= SET_SELECTED;
211 
212 	set_status[SET_GROUP] = SET_VALID;
213 
214 	/* Lookup some strings we need lots of times */
215 	msg_yes = msg_string(MSG_Yes);
216 	msg_no = msg_string(MSG_No);
217 	msg_all = msg_string(MSG_All);
218 	msg_some = msg_string(MSG_Some);
219 	msg_none = msg_string(MSG_None);
220 	msg_cur_distsets_row = msg_string(MSG_cur_distsets_row);
221 
222 	/* Find longest and use it to determine width of selection menu */
223 	len = strlen(msg_no); longest = msg_no;
224 	i = strlen(msg_yes); if (i > len) {len = i; longest = msg_yes; }
225 	i = strlen(msg_all); if (i > len) {len = i; longest = msg_all; }
226 	i = strlen(msg_some); if (i > len) {len = i; longest = msg_some; }
227 	i = strlen(msg_none); if (i > len) {len = i; longest = msg_none; }
228 	select_menu_width = snprintf(NULL, 0, msg_cur_distsets_row, "",longest);
229 
230 	/* Give the md code a chance to choose the right kernel, etc. */
231 	md_init_set_status(flags);
232 }
233 
234 int
235 dir_exists_p(const char *path)
236 {
237 
238 	return file_mode_match(path, S_IFDIR);
239 }
240 
241 int
242 file_exists_p(const char *path)
243 {
244 
245 	return file_mode_match(path, S_IFREG);
246 }
247 
248 int
249 file_mode_match(const char *path, unsigned int mode)
250 {
251 	struct stat st;
252 
253 	return (stat(path, &st) == 0 && (st.st_mode & S_IFMT) == mode);
254 }
255 
256 uint
257 get_ramsize(void)
258 {
259 	uint64_t ramsize;
260 	size_t len = sizeof ramsize;
261 	int mib[2] = {CTL_HW, HW_PHYSMEM64};
262 
263 	sysctl(mib, 2, &ramsize, &len, NULL, 0);
264 
265 	/* Find out how many Megs ... round up. */
266 	return (ramsize + MEG - 1) / MEG;
267 }
268 
269 void
270 run_makedev(void)
271 {
272 	char *owd;
273 
274 	msg_display_add("\n\n");
275 	msg_display_add(MSG_makedev);
276 
277 	owd = getcwd(NULL, 0);
278 
279 	/* make /dev, in case the user  didn't extract it. */
280 	make_target_dir("/dev");
281 	target_chdir_or_die("/dev");
282 	run_program(0, "/bin/sh MAKEDEV all");
283 
284 	chdir(owd);
285 	free(owd);
286 }
287 
288 /*
289  * Performs in-place replacement of a set of patterns in a file that lives
290  * inside the installed system.  The patterns must be separated by a semicolon.
291  * For example:
292  *
293  * replace("/etc/some-file.conf", "s/prop1=NO/prop1=YES/;s/foo/bar/");
294  */
295 void
296 replace(const char *path, const char *patterns, ...)
297 {
298 	char *spatterns;
299 	va_list ap;
300 
301 	va_start(ap, patterns);
302 	vasprintf(&spatterns, patterns, ap);
303 	va_end(ap);
304 	if (spatterns == NULL)
305 		err(1, "vasprintf(&spatterns, \"%s\", ...)", patterns);
306 
307 	run_program(RUN_CHROOT, "sed -an -e '%s;H;$!d;g;w %s' %s", spatterns,
308 	    path, path);
309 
310 	free(spatterns);
311 }
312 
313 static int
314 floppy_fetch(const char *set_name)
315 {
316 	char post[4];
317 	msg errmsg;
318 	int menu;
319 	int status;
320 	const char *write_mode = ">";
321 
322 	strcpy(post, "aa");
323 
324 	errmsg = "";
325 	menu = MENU_fdok;
326 	for (;;) {
327 		umount_mnt2();
328 		msg_display(errmsg);
329 		msg_display_add(MSG_fdmount, set_name, post);
330 		process_menu(menu, &status);
331 		if (status != SET_CONTINUE)
332 			return status;
333 		menu = MENU_fdremount;
334 		errmsg = MSG_fdremount;
335 		if (run_program(0, "/sbin/mount -r -t %s %s /mnt2",
336 							fd_type, fd_dev))
337 			continue;
338 		mnt2_mounted = 1;
339 		errmsg = MSG_fdnotfound;
340 
341 		/* Display this because it might take a while.... */
342 		if (run_program(RUN_DISPLAY,
343 			    "sh -c '/bin/cat /mnt2/%s.%s %s %s/%s/%s%s'",
344 			    set_name, post, write_mode,
345 			    target_prefix(), xfer_dir, set_name, dist_postfix))
346 			/* XXX: a read error will give a corrupt file! */
347 			continue;
348 
349 		/* We got that file, advance to next fragment */
350 		if (post[1] < 'z')
351 			post[1]++;
352 		else
353 			post[1] = 'a', post[0]++;
354 		write_mode = ">>";
355 		errmsg = "";
356 		menu = MENU_fdok;
357 	}
358 }
359 
360 /*
361  * Load files from floppy.  Requires a /mnt2 directory for mounting them.
362  */
363 int
364 get_via_floppy(void)
365 {
366 	yesno = -1;
367 	process_menu(MENU_floppysource, NULL);
368 	if (yesno == SET_RETRY)
369 		return SET_RETRY;
370 
371 	fetch_fn = floppy_fetch;
372 
373 	/* Set ext_dir for absolute path. */
374 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "%s/%s", target_prefix(), xfer_dir);
375 	snprintf(ext_dir_src, sizeof ext_dir_src, "%s/%s", target_prefix(), xfer_dir);
376 
377 	return SET_OK;
378 }
379 
380 /*
381  * Get the volume name of a ISO9660 file system
382  */
383 static int
384 get_iso9660_volname(int dev, int sess, char *volname)
385 {
386 	int blkno, error, last;
387 	char buf[ISO_BLKSIZE];
388 	struct iso_volume_descriptor *vd = NULL;
389 	struct iso_primary_descriptor *pd = NULL;
390 
391 	for (blkno = sess+16; blkno < sess+16+100; blkno++) {
392 		error = pread(dev, buf, ISO_BLKSIZE, blkno*ISO_BLKSIZE);
393 		if (error == -1)
394 			return -1;
395 		vd = (struct iso_volume_descriptor *)&buf;
396 		if (memcmp(vd->id, ISO_STANDARD_ID, sizeof(vd->id)) != 0)
397 			return -1;
398 		if (isonum_711((const unsigned char *)&vd->type)
399 		     == ISO_VD_PRIMARY) {
400 			pd = (struct iso_primary_descriptor*)buf;
401 			strncpy(volname, pd->volume_id, sizeof pd->volume_id);
402 			last = sizeof pd->volume_id-1;
403 			while (last >= 0
404 			    && (volname[last] == ' ' || volname[last] == 0))
405 				last--;
406 			volname[last+1] = 0;
407 			return 0;
408 		}
409 	}
410 	return -1;
411 }
412 
413 /*
414  * Get a list of all available CD media (not drives!), return
415  * the number of entries collected.
416  */
417 static int
418 get_available_cds(void)
419 {
420 	char dname[16], volname[80];
421 	struct cd_info *info = cds;
422 	struct disklabel label;
423 	int i, part, dev, error, sess, ready, count = 0;
424 
425 	for (i = 0; i < MAX_CD_DEVS; i++) {
426 		sprintf(dname, "/dev/rcd%d%c", i, 'a'+RAW_PART);
427 		dev = open(dname, O_RDONLY, 0);
428 		if (dev == -1)
429 			break;
430 		ready = 0;
431 		error = ioctl(dev, DIOCTUR, &ready);
432 		if (error != 0 || ready == 0) {
433 			close(dev);
434 			continue;
435 		}
436 		error = ioctl(dev, DIOCGDINFO, &label);
437 		close(dev);
438 		if (error == 0) {
439 			for (part = 0; part < label.d_npartitions; part++) {
440 				if (label.d_partitions[part].p_fstype
441 					== FS_UNUSED
442 				    || label.d_partitions[part].p_size == 0)
443 					continue;
444 				if (label.d_partitions[part].p_fstype
445 				    == FS_ISO9660) {
446 					sess = label.d_partitions[part]
447 					    .p_cdsession;
448 					sprintf(dname, "/dev/rcd%d%c", i,
449 					    'a'+part);
450 					dev = open(dname, O_RDONLY, 0);
451 					if (dev == -1)
452 						continue;
453 					error = get_iso9660_volname(dev, sess,
454 					    volname);
455 					close(dev);
456 					if (error) continue;
457 					sprintf(info->device_name, "cd%d%c",
458 						i, 'a'+part);
459 					sprintf(info->menu, "%s (%s)",
460 						info->device_name,
461 						volname);
462 				} else {
463 					/*
464 					 * All install CDs use partition
465 					 * a for the sets.
466 					 */
467 					if (part > 0)
468 						continue;
469 					sprintf(info->device_name, "cd%d%c",
470 						i, 'a'+part);
471 					strcpy(info->menu, info->device_name);
472 				}
473 				info++;
474 				if (++count >= MAX_CD_INFOS)
475 					break;
476 			}
477 		}
478 	}
479 	return count;
480 }
481 
482 static int
483 cd_has_sets(void)
484 {
485 	/* Mount it */
486 	if (run_program(RUN_SILENT, "/sbin/mount -rt cd9660 /dev/%s /mnt2",
487 	    cdrom_dev) != 0)
488 		return 0;
489 
490 	mnt2_mounted = 1;
491 
492 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "%s/%s", "/mnt2", set_dir_bin);
493 	snprintf(ext_dir_src, sizeof ext_dir_src, "%s/%s", "/mnt2", set_dir_src);
494 	return dir_exists_p(ext_dir_bin);
495 }
496 
497 /*
498  * Check whether we can remove the boot media.
499  * If it is not a local filesystem, return -1.
500  * If we can not decide for sure (can not tell MD content from plain ffs
501  * on hard disk, for example), return 0.
502  * If it is a CD/DVD, return 1.
503  */
504 int
505 boot_media_still_needed(void)
506 {
507 	struct statvfs sb;
508 
509 	if (statvfs("/", &sb) == 0) {
510 		if (!(sb.f_flag & ST_LOCAL))
511 			return -1;
512 		if (strcmp(sb.f_fstypename, MOUNT_CD9660) == 0
513 			   || strcmp(sb.f_fstypename, MOUNT_UDF) == 0)
514 			return 1;
515 	}
516 
517 	return 0;
518 }
519 
520 /*
521  * Get from a CDROM distribution.
522  * Also used on "installation using bootable install media"
523  * as the default option in the "distmedium" menu.
524  */
525 int
526 get_via_cdrom(void)
527 {
528 	menu_ent cd_menu[MAX_CD_INFOS];
529 	struct stat sb;
530 	int num_cds, menu_cd, i, selected_cd = 0;
531 	bool silent = false;
532 	int mib[2];
533 	char rootdev[SSTRSIZE] = "";
534 	size_t varlen;
535 
536 	/* If root is not md(4) and we have set dir, skip this step. */
537 	mib[0] = CTL_KERN;
538 	mib[1] = KERN_ROOT_DEVICE;
539 	varlen = sizeof(rootdev);
540 	(void)sysctl(mib, 2, rootdev, &varlen, NULL, 0);
541 	if (stat(set_dir_bin, &sb) == 0 && S_ISDIR(sb.st_mode) &&
542 	    strncmp("md", rootdev, 2) != 0) {
543 	    	strlcpy(ext_dir_bin, set_dir_bin, sizeof ext_dir_bin);
544 	    	strlcpy(ext_dir_src, set_dir_src, sizeof ext_dir_src);
545 		return SET_OK;
546 	}
547 
548 	num_cds = get_available_cds();
549 	if (num_cds <= 0) {
550 		silent = true;
551 	} else if (num_cds == 1) {
552 		/* single CD found, check for sets on it */
553 		strcpy(cdrom_dev, cds[0].device_name);
554 		if (cd_has_sets())
555 			return SET_OK;
556 	} else {
557 		for (i = 0; i< num_cds; i++) {
558 			cd_menu[i].opt_name = cds[i].menu;
559 			cd_menu[i].opt_menu = OPT_NOMENU;
560 			cd_menu[i].opt_flags = OPT_EXIT;
561 			cd_menu[i].opt_action = set_menu_select;
562 		}
563 		/* create a menu offering available choices */
564 		menu_cd = new_menu(MSG_Available_cds,
565 			cd_menu, num_cds, -1, 4, 0, 0,
566 			MC_SCROLL | MC_NOEXITOPT,
567 			NULL, NULL, NULL, NULL, NULL);
568 		if (menu_cd == -1)
569 			return SET_RETRY;
570 		msg_display(MSG_ask_cd);
571 		process_menu(menu_cd, &selected_cd);
572 		free_menu(menu_cd);
573 		strcpy(cdrom_dev, cds[selected_cd].device_name);
574 		if (cd_has_sets())
575 			return SET_OK;
576 	}
577 
578 	if (silent)
579 		msg_display("");
580 	else {
581 		umount_mnt2();
582 		msg_display(MSG_cd_path_not_found);
583 		process_menu(MENU_ok, NULL);
584 	}
585 
586 	/* ask for paths on the CD */
587 	yesno = -1;
588 	process_menu(MENU_cdromsource, NULL);
589 	if (yesno == SET_RETRY)
590 		return SET_RETRY;
591 
592 	if (cd_has_sets())
593 		return SET_OK;
594 
595 	return SET_RETRY;
596 }
597 
598 
599 /*
600  * Get from a pathname inside an unmounted local filesystem
601  * (e.g., where sets were preloaded onto a local DOS partition)
602  */
603 int
604 get_via_localfs(void)
605 {
606 	/* Get device, filesystem, and filepath */
607 	yesno = -1;
608 	process_menu (MENU_localfssource, NULL);
609 	if (yesno == SET_RETRY)
610 		return SET_RETRY;
611 
612 	/* Mount it */
613 	if (run_program(0, "/sbin/mount -rt %s /dev/%s /mnt2",
614 	    localfs_fs, localfs_dev))
615 		return SET_RETRY;
616 
617 	mnt2_mounted = 1;
618 
619 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "%s/%s/%s",
620 		"/mnt2", localfs_dir, set_dir_bin);
621 	snprintf(ext_dir_src, sizeof ext_dir_src, "%s/%s/%s",
622 		"/mnt2", localfs_dir, set_dir_src);
623 
624 	return SET_OK;
625 }
626 
627 /*
628  * Get from an already-mounted pathname.
629  */
630 
631 int
632 get_via_localdir(void)
633 {
634 	/* Get filepath */
635 	yesno = -1;
636 	process_menu(MENU_localdirsource, NULL);
637 	if (yesno == SET_RETRY)
638 		return SET_RETRY;
639 
640 	/*
641 	 * We have to have an absolute path ('cos pax runs in a
642 	 * different directory), make it so.
643 	 */
644 	snprintf(ext_dir_bin, sizeof ext_dir_bin, "/%s/%s", localfs_dir, set_dir_bin);
645 	snprintf(ext_dir_src, sizeof ext_dir_src, "/%s/%s", localfs_dir, set_dir_src);
646 
647 	return SET_OK;
648 }
649 
650 
651 /*
652  * Support for custom distribution fetches / unpacks.
653  */
654 
655 unsigned int
656 set_X11_selected(void)
657 {
658 	int i;
659 
660 	for (i = SET_X11_FIRST; ++i < SET_X11_LAST;)
661 		if (set_status[i] & SET_SELECTED)
662 			return 1;
663 	return 0;
664 }
665 
666 unsigned int
667 get_kernel_set(void)
668 {
669 	int i;
670 
671 	for (i = SET_KERNEL_FIRST; ++i < SET_KERNEL_LAST;)
672 		if (set_status[i] & SET_SELECTED)
673 			return i;
674 	return SET_NONE;
675 }
676 
677 void
678 set_kernel_set(unsigned int kernel_set)
679 {
680 	int i;
681 
682 	/* only one kernel set is allowed */
683 	for (i = SET_KERNEL_FIRST; ++i < SET_KERNEL_LAST;)
684 		set_status[i] &= ~SET_SELECTED;
685 	set_status[kernel_set] |= SET_SELECTED;
686 }
687 
688 static int
689 set_toggle(menudesc *menu, void *arg)
690 {
691 	distinfo **distp = arg;
692 	int set = distp[menu->cursel]->set;
693 
694 	if (set > SET_KERNEL_FIRST && set < SET_KERNEL_LAST &&
695 	    !(set_status[set] & SET_SELECTED))
696 		set_kernel_set(set);
697 	else
698 		set_status[set] ^= SET_SELECTED;
699 	return 0;
700 }
701 
702 static int
703 set_all_none(menudesc *menu, void *arg, int set, int clr)
704 {
705 	distinfo **distp = arg;
706 	distinfo *dist = *distp;
707 	int nested;
708 
709 	for (nested = 0; dist->set != SET_GROUP_END || nested--; dist++) {
710 		if (dist->set == SET_GROUP) {
711 			nested++;
712 			continue;
713 		}
714 		set_status[dist->set] = (set_status[dist->set] & ~clr) | set;
715 	}
716 	return 0;
717 }
718 
719 static int
720 set_all(menudesc *menu, void *arg)
721 {
722 	return set_all_none(menu, arg, SET_SELECTED, 0);
723 }
724 
725 static int
726 set_none(menudesc *menu, void *arg)
727 {
728 	return set_all_none(menu, arg, 0, SET_SELECTED);
729 }
730 
731 static void
732 set_label(menudesc *menu, int opt, void *arg)
733 {
734 	distinfo **distp = arg;
735 	distinfo *dist = distp[opt];
736 	const char *selected;
737 	const char *desc;
738 	int nested;
739 
740 	desc = dist->desc;
741 
742 	if (dist->set != SET_GROUP)
743 		selected = set_status[dist->set] & SET_SELECTED ? msg_yes : msg_no;
744 	else {
745 		/* sub menu - display None/Some/All */
746 		nested = 0;
747 		selected = "unknown";
748 		while ((++dist)->set != SET_GROUP_END || nested--) {
749 			if (dist->set == SET_GROUP) {
750 				nested++;
751 				continue;
752 			}
753 			if (!(set_status[dist->set] & SET_VALID))
754 				continue;
755 			if (set_status[dist->set] & SET_SELECTED) {
756 				if (selected == msg_none) {
757 					selected = msg_some;
758 					break;
759 				}
760 				selected = msg_all;
761 			} else {
762 				if (selected == msg_all) {
763 					selected = msg_some;
764 					break;
765 				}
766 				selected = msg_none;
767 			}
768 		}
769 	}
770 
771 	wprintw(menu->mw, msg_cur_distsets_row, msg_string(desc), selected);
772 }
773 
774 static int set_sublist(menudesc *menu, void *arg);
775 
776 static int
777 initialise_set_menu(distinfo *dist, menu_ent *me, distinfo **de, int all_none)
778 {
779 	int set;
780 	int sets;
781 	int nested;
782 
783 	for (sets = 0; ; dist++) {
784 		set = dist->set;
785 		if (set == SET_LAST || set == SET_GROUP_END)
786 			break;
787 		if (!(set_status[set] & SET_VALID))
788 			continue;
789 		*de = dist;
790 		me->opt_menu = OPT_NOMENU;
791 		me->opt_flags = 0;
792 		me->opt_name = NULL;
793 		if (set != SET_GROUP)
794 			me->opt_action = set_toggle;
795 		else {
796 			/* Collapse sublist */
797 			nested = 0;
798 			while ((++dist)->set != SET_GROUP_END || nested--) {
799 				if (dist->set == SET_GROUP)
800 					nested++;
801 			}
802 			me->opt_action = set_sublist;
803 		}
804 		sets++;
805 		de++;
806 		me++;
807 	}
808 
809 	if (all_none) {
810 		me->opt_menu = OPT_NOMENU;
811 		me->opt_flags = 0;
812 		me->opt_name = MSG_select_all;
813 		me->opt_action = set_all;
814 		me++;
815 		me->opt_menu = OPT_NOMENU;
816 		me->opt_flags = 0;
817 		me->opt_name = MSG_select_none;
818 		me->opt_action = set_none;
819 		sets += 2;
820 	}
821 
822 	return sets;
823 }
824 
825 static int
826 set_sublist(menudesc *menu, void *arg)
827 {
828 	distinfo *de[SET_LAST];
829 	menu_ent me[SET_LAST];
830 	distinfo **dist = arg;
831 	int menu_no;
832 	int sets;
833 
834 	sets = initialise_set_menu(dist[menu->cursel] + 1, me, de, 1);
835 
836 	menu_no = new_menu(NULL, me, sets, 20, 10, 0, select_menu_width,
837 		MC_SUBMENU | MC_SCROLL | MC_DFLTEXIT,
838 		NULL, set_label, NULL, NULL,
839 		MSG_install_selected_sets);
840 
841 	process_menu(menu_no, de);
842 	free_menu(menu_no);
843 
844 	return 0;
845 }
846 
847 void
848 customise_sets(void)
849 {
850 	distinfo *de[SET_LAST];
851 	menu_ent me[SET_LAST];
852 	int sets;
853 	int menu_no;
854 
855 	msg_display(MSG_cur_distsets);
856 	msg_table_add(MSG_cur_distsets_header);
857 
858 	sets = initialise_set_menu(dist_list, me, de, 0);
859 
860 	menu_no = new_menu(NULL, me, sets, 0, 5, 0, select_menu_width,
861 		MC_SCROLL | MC_NOBOX | MC_DFLTEXIT | MC_NOCLEAR,
862 		NULL, set_label, NULL, NULL,
863 		MSG_install_selected_sets);
864 
865 	process_menu(menu_no, de);
866 	free_menu(menu_no);
867 }
868 
869 /*
870  * Extract_file **REQUIRES** an absolute path in ext_dir.  Any code
871  * that sets up xfer_dir for use by extract_file needs to put in the
872  * full path name to the directory.
873  */
874 
875 int
876 extract_file(distinfo *dist, int update)
877 {
878 	char path[STRSIZE];
879 	char *owd;
880 	int   rval;
881 
882 	/* If we might need to tidy up, ensure directory exists */
883 	if (fetch_fn != NULL)
884 		make_target_dir(xfer_dir);
885 
886 	(void)snprintf(path, sizeof path, "%s/%s%s",
887 	    ext_dir_for_set(dist->name), dist->name, dist_postfix);
888 
889 	owd = getcwd(NULL, 0);
890 
891 	/* Do we need to fetch the file now? */
892 	if (fetch_fn != NULL) {
893 		rval = fetch_fn(dist->name);
894 		if (rval != SET_OK)
895 			return rval;
896 	}
897 
898 	/* check tarfile exists */
899 	if (!file_exists_p(path)) {
900 
901 #ifdef SUPPORT_8_3_SOURCE_FILESYSTEM
902 	/*
903 	 * Update path to use dist->name truncated to the first eight
904 	 * characters and check again
905 	 */
906 	(void)snprintf(path, sizeof path, "%s/%.8s%.4s", /* 4 as includes '.' */
907 	    ext_dir_for_set(dist->name), dist->name, dist_postfix);
908 		if (!file_exists_p(path)) {
909 #endif /* SUPPORT_8_3_SOURCE_FILESYSTEM */
910 
911 		tarstats.nnotfound++;
912 
913 		msg_display(MSG_notarfile, path);
914 		process_menu(MENU_ok, NULL);
915 		return SET_RETRY;
916 	}
917 #ifdef SUPPORT_8_3_SOURCE_FILESYSTEM
918 	}
919 #endif /* SUPPORT_8_3_SOURCE_FILESYSTEM */
920 
921 	tarstats.nfound++;
922 	/* cd to the target root. */
923 	if (update && (dist->set == SET_ETC || dist->set == SET_X11_ETC)) {
924 		make_target_dir("/.sysinst");
925 		target_chdir_or_die("/.sysinst");
926 	} else if (dist->set == SET_PKGSRC)
927 		target_chdir_or_die("/usr");
928 	else
929 		target_chdir_or_die("/");
930 
931 	/*
932 	 * /usr/X11R7/lib/X11/xkb/symbols/pc was a directory in 5.0
933 	 * but is a file in 5.1 and beyond, so on upgrades we need to
934 	 * delete it before extracting the xbase set.
935 	 */
936 	if (update && dist->set == SET_X11_BASE)
937 		run_program(0, "rm -rf usr/X11R7/lib/X11/xkb/symbols/pc");
938 
939 	/* now extract set files into "./". */
940 	rval = run_program(RUN_DISPLAY | RUN_PROGRESS,
941 			"progress -zf %s tar --chroot -xhepf -", path);
942 
943 	chdir(owd);
944 	free(owd);
945 
946 	/* Check rval for errors and give warning. */
947 	if (rval != 0) {
948 		tarstats.nerror++;
949 		msg_display(MSG_tarerror, path);
950 		process_menu(MENU_ok, NULL);
951 		return SET_RETRY;
952 	}
953 
954 	if (fetch_fn != NULL && clean_xfer_dir) {
955 		run_program(0, "rm %s", path);
956 		/* Plausibly we should unlink an empty xfer_dir as well */
957 	}
958 
959 	set_status[dist->set] |= SET_INSTALLED;
960 	tarstats.nsuccess++;
961 	return SET_OK;
962 }
963 
964 static void
965 skip_set(distinfo *dist, int skip_type)
966 {
967 	int nested;
968 	int set;
969 
970 	nested = 0;
971 	while ((++dist)->set != SET_GROUP_END || nested--) {
972 		set = dist->set;
973 		if (set == SET_GROUP) {
974 			nested++;
975 			continue;
976 		}
977 		if (set == SET_LAST)
978 			break;
979 		if (set_status[set] == (SET_SELECTED | SET_VALID))
980 			set_status[set] |= SET_SKIPPED;
981 		tarstats.nskipped++;
982 	}
983 }
984 
985 /*
986  * Get and unpack the distribution.
987  * Show success_msg if installation completes.
988  * Otherwise show failure_msg and wait for the user to ack it before continuing.
989  * success_msg and failure_msg must both be 0-adic messages.
990  */
991 int
992 get_and_unpack_sets(int update, msg setupdone_msg, msg success_msg, msg failure_msg)
993 {
994 	distinfo *dist;
995 	int status;
996 	int set;
997 
998 	/* Ensure mountpoint for distribution files exists in current root. */
999 	(void)mkdir("/mnt2", S_IRWXU| S_IRGRP|S_IXGRP | S_IROTH|S_IXOTH);
1000 	if (script)
1001 		(void)fprintf(script, "mkdir -m 755 /mnt2\n");
1002 
1003 	/* reset failure/success counters */
1004 	memset(&tarstats, 0, sizeof(tarstats));
1005 
1006 	/* Find out which files to "get" if we get files. */
1007 
1008 	/* Accurately count selected sets */
1009 	for (dist = dist_list; (set = dist->set) != SET_LAST; dist++) {
1010 		if ((set_status[set] & (SET_VALID | SET_SELECTED))
1011 		    == (SET_VALID | SET_SELECTED))
1012 			tarstats.nselected++;
1013 	}
1014 
1015 	status = SET_RETRY;
1016 	for (dist = dist_list; ; dist++) {
1017 		set = dist->set;
1018 		if (set == SET_LAST)
1019 			break;
1020 		if (dist->name == NULL)
1021 			continue;
1022 		if (set_status[set] != (SET_VALID | SET_SELECTED))
1023 			continue;
1024 
1025 		if (status != SET_OK) {
1026 			/* This might force a redraw.... */
1027 			clearok(curscr, 1);
1028 			touchwin(stdscr);
1029 			wrefresh(stdscr);
1030 			/* Sort out the location of the set files */
1031 			do {
1032 				umount_mnt2();
1033 				msg_display(MSG_distmedium, tarstats.nselected,
1034 				    tarstats.nsuccess + tarstats.nskipped,
1035 				    dist->name);
1036 				fetch_fn = NULL;
1037 				process_menu(MENU_distmedium, &status);
1038 			} while (status == SET_RETRY);
1039 
1040 			if (status == SET_SKIP) {
1041 				set_status[set] |= SET_SKIPPED;
1042 				tarstats.nskipped++;
1043 				continue;
1044 			}
1045 			if (status == SET_SKIP_GROUP) {
1046 				skip_set(dist, status);
1047 				continue;
1048 			}
1049 			if (status != SET_OK) {
1050 				msg_display(failure_msg);
1051 				process_menu(MENU_ok, NULL);
1052 				return 1;
1053 			}
1054 		}
1055 
1056 		/* Try to extract this set */
1057 		status = extract_file(dist, update);
1058 		if (status == SET_RETRY)
1059 			dist--;
1060 	}
1061 
1062 	if (tarstats.nerror == 0 && tarstats.nsuccess == tarstats.nselected) {
1063 		msg_display(MSG_endtarok);
1064 		/* Give user a chance to see the success message */
1065 		sleep(1);
1066 	} else {
1067 		/* We encountered errors. Let the user know. */
1068 		msg_display(MSG_endtar,
1069 		    tarstats.nselected, tarstats.nnotfound, tarstats.nskipped,
1070 		    tarstats.nfound, tarstats.nsuccess, tarstats.nerror);
1071 		process_menu(MENU_ok, NULL);
1072 		msg_clear();
1073 	}
1074 
1075 	/*
1076 	 * postinstall needs to be run after extracting all sets, because
1077 	 * otherwise /var/db/obsolete will only have current information
1078 	 * from the base, comp, and etc sets.
1079 	 */
1080 	if (update && (set_status[SET_ETC] & SET_INSTALLED)) {
1081 		int oldsendmail;
1082 		oldsendmail = run_program(RUN_DISPLAY | RUN_CHROOT |
1083 					  RUN_ERROR_OK | RUN_PROGRESS,
1084 					  "/usr/sbin/postinstall -s /.sysinst -d / check mailerconf");
1085 		if (oldsendmail == 1) {
1086 			msg_display(MSG_oldsendmail);
1087 			process_menu(MENU_yesno, NULL);
1088 			if (yesno) {
1089 				run_program(RUN_DISPLAY | RUN_CHROOT,
1090 					    "/usr/sbin/postinstall -s /.sysinst -d / fix mailerconf");
1091 			}
1092 		}
1093 		run_program(RUN_DISPLAY | RUN_CHROOT,
1094 			"/usr/sbin/postinstall -s /.sysinst -d / fix");
1095 
1096 		/* Don't discard the system's old entropy if any */
1097 		run_program(RUN_CHROOT | RUN_SILENT,
1098 			    "/etc/rc.d/random_seed start");
1099 	}
1100 
1101 	/* Configure the system */
1102 	if (set_status[SET_BASE] & SET_INSTALLED)
1103 		run_makedev();
1104 
1105 	if (!update) {
1106 		struct stat sb1, sb2;
1107 
1108 		if (stat(target_expand("/"), &sb1) == 0
1109 		    && stat(target_expand("/var"), &sb2) == 0
1110 		    && sb1.st_dev != sb2.st_dev) {
1111 			add_rc_conf("random_file=/etc/entropy-file\n");
1112 			if (target_file_exists_p("/boot.cfg")) {
1113 				run_program(RUN_CHROOT|RUN_FATAL,
1114 					    "sh -c 'sed -e s./var/db/./etc/. "
1115 					    "< /boot.cfg "
1116 					    "> /tmp/boot.cfg.tmp'");
1117 				mv_within_target_or_die("/tmp/boot.cfg.tmp",
1118 							"/boot.cfg");
1119 			}
1120 		}
1121 
1122 		/* Save keyboard type */
1123 		save_kb_encoding();
1124 
1125 		/* Other configuration. */
1126 		mnt_net_config();
1127 	}
1128 
1129 	/* Mounted dist dir? */
1130 	umount_mnt2();
1131 
1132 	/* Save entropy -- on some systems it's ~all we'll ever get */
1133 	run_program(RUN_DISPLAY | RUN_CHROOT | RUN_FATAL | RUN_PROGRESS,
1134 		    "/etc/rc.d/random_seed stop");
1135 	/* Install/Upgrade complete ... reboot or exit to script */
1136 	msg_display(success_msg);
1137 	process_menu(MENU_ok, NULL);
1138 	return 0;
1139 }
1140 
1141 void
1142 umount_mnt2(void)
1143 {
1144 	if (!mnt2_mounted)
1145 		return;
1146 	run_program(RUN_SILENT, "/sbin/umount /mnt2");
1147 	mnt2_mounted = 0;
1148 }
1149 
1150 
1151 /*
1152  * Do a quick sanity check that  the target can reboot.
1153  * return 1 if everything OK, 0 if there is a problem.
1154  * Uses a table of files we expect to find after a base install/upgrade.
1155  */
1156 
1157 /* test flag and pathname to check for after unpacking. */
1158 struct check_table { unsigned int mode; const char *path;} checks[] = {
1159   { S_IFREG, "/netbsd" },
1160   { S_IFDIR, "/etc" },
1161   { S_IFREG, "/etc/fstab" },
1162   { S_IFREG, "/sbin/init" },
1163   { S_IFREG, "/bin/sh" },
1164   { S_IFREG, "/etc/rc" },
1165   { S_IFREG, "/etc/rc.subr" },
1166   { S_IFREG, "/etc/rc.conf" },
1167   { S_IFDIR, "/dev" },
1168   { S_IFCHR, "/dev/console" },
1169 /* XXX check for rootdev in target /dev? */
1170   { S_IFREG, "/sbin/fsck" },
1171   { S_IFREG, "/sbin/fsck_ffs" },
1172   { S_IFREG, "/sbin/mount" },
1173   { S_IFREG, "/sbin/mount_ffs" },
1174   { S_IFREG, "/sbin/mount_nfs" },
1175 #if defined(DEBUG) || defined(DEBUG_CHECK)
1176   { S_IFREG, "/foo/bar" },		/* bad entry to exercise warning */
1177 #endif
1178   { 0, 0 }
1179 
1180 };
1181 
1182 /*
1183  * Check target for a single file.
1184  */
1185 static int
1186 check_for(unsigned int mode, const char *pathname)
1187 {
1188 	int found;
1189 
1190 	found = (target_test(mode, pathname) == 0);
1191 	if (found == 0)
1192 		msg_display(MSG_rootmissing, pathname);
1193 	return found;
1194 }
1195 
1196 /*
1197  * Check that all the files in check_table are present in the
1198  * target root. Warn if not found.
1199  */
1200 int
1201 sanity_check(void)
1202 {
1203 	int target_ok = 1;
1204 	struct check_table *p;
1205 
1206 	for (p = checks; p->path; p++) {
1207 		target_ok = target_ok && check_for(p->mode, p->path);
1208 	}
1209 	if (target_ok)
1210 		return 0;
1211 
1212 	/* Uh, oh. Something's missing. */
1213 	msg_display(MSG_badroot);
1214 	process_menu(MENU_ok, NULL);
1215 	return 1;
1216 }
1217 
1218 /*
1219  * Some globals to pass things back from callbacks
1220  */
1221 static char zoneinfo_dir[STRSIZE];
1222 static int zonerootlen;
1223 static char *tz_selected;	/* timezonename (relative to share/zoneinfo */
1224 const char *tz_default;		/* UTC, or whatever /etc/localtime points to */
1225 static char tz_env[STRSIZE];
1226 static int save_cursel, save_topline;
1227 
1228 /*
1229  * Callback from timezone menu
1230  */
1231 static int
1232 set_tz_select(menudesc *m, void *arg)
1233 {
1234 	time_t t;
1235 	char *new;
1236 	struct tm *tm;
1237 
1238 	if (m && strcmp(tz_selected, m->opts[m->cursel].opt_name) != 0) {
1239 		/* Change the displayed timezone */
1240 		new = strdup(m->opts[m->cursel].opt_name);
1241 		if (new == NULL)
1242 			return 0;
1243 		free(tz_selected);
1244 		tz_selected = new;
1245 		snprintf(tz_env, sizeof tz_env, "%.*s%s",
1246 			 zonerootlen, zoneinfo_dir, tz_selected);
1247 		setenv("TZ", tz_env, 1);
1248 	}
1249 	if (m)
1250 		/* Warp curser to 'Exit' line on menu */
1251 		m->cursel = -1;
1252 
1253 	/* Update displayed time */
1254 	t = time(NULL);
1255 	tm = localtime(&t);
1256 	msg_display(MSG_choose_timezone,
1257 		    tz_default, tz_selected, safectime(&t), tm ? tm->tm_zone :
1258 		    "?");
1259 	return 0;
1260 }
1261 
1262 static int
1263 set_tz_back(menudesc *m, void *arg)
1264 {
1265 
1266 	zoneinfo_dir[zonerootlen] = 0;
1267 	m->cursel = save_cursel;
1268 	m->topline = save_topline;
1269 	return 0;
1270 }
1271 
1272 static int
1273 set_tz_dir(menudesc *m, void *arg)
1274 {
1275 
1276 	strlcpy(zoneinfo_dir + zonerootlen, m->opts[m->cursel].opt_name,
1277 		sizeof zoneinfo_dir - zonerootlen);
1278 	save_cursel = m->cursel;
1279 	save_topline = m->topline;
1280 	m->cursel = 0;
1281 	m->topline = 0;
1282 	return 0;
1283 }
1284 
1285 /*
1286  * Alarm-handler to update example-display
1287  */
1288 static void
1289 /*ARGSUSED*/
1290 timezone_sig(int sig)
1291 {
1292 
1293 	set_tz_select(NULL, NULL);
1294 	alarm(60);
1295 }
1296 
1297 static int
1298 tz_sort(const void *a, const void *b)
1299 {
1300 	return strcmp(((const menu_ent *)a)->opt_name, ((const menu_ent *)b)->opt_name);
1301 }
1302 
1303 static void
1304 tzm_set_names(menudesc *m, void *arg)
1305 {
1306 	DIR *dir;
1307 	struct dirent *dp;
1308 	static int nfiles;
1309 	static int maxfiles = 32;
1310 	static menu_ent *tz_menu;
1311 	static char **tz_names;
1312 	void *p;
1313 	int maxfname;
1314 	char *fp;
1315 	struct stat sb;
1316 
1317 	if (tz_menu == NULL)
1318 		tz_menu = malloc(maxfiles * sizeof *tz_menu);
1319 	if (tz_names == NULL)
1320 		tz_names = malloc(maxfiles * sizeof *tz_names);
1321 	if (tz_menu == NULL || tz_names == NULL)
1322 		return;	/* error - skip timezone setting */
1323 	while (nfiles > 0)
1324 		free(tz_names[--nfiles]);
1325 
1326 	dir = opendir(zoneinfo_dir);
1327 	fp = strchr(zoneinfo_dir, 0);
1328 	if (fp != zoneinfo_dir + zonerootlen) {
1329 		tz_names[0] = 0;
1330 		tz_menu[0].opt_name = msg_string(MSG_tz_back);
1331 		tz_menu[0].opt_menu = OPT_NOMENU;
1332 		tz_menu[0].opt_flags = 0;
1333 		tz_menu[0].opt_action = set_tz_back;
1334 		nfiles = 1;
1335 	}
1336 	maxfname = zoneinfo_dir + sizeof zoneinfo_dir - fp - 1;
1337 	if (dir != NULL) {
1338 		while ((dp = readdir(dir)) != NULL) {
1339 			if (dp->d_namlen > maxfname || dp->d_name[0] == '.')
1340 				continue;
1341 			strlcpy(fp, dp->d_name, maxfname);
1342 			if (stat(zoneinfo_dir, &sb) == -1)
1343 				continue;
1344 			if (nfiles >= maxfiles) {
1345 				p = realloc(tz_menu, 2 * maxfiles * sizeof *tz_menu);
1346 				if (p == NULL)
1347 					break;
1348 				tz_menu = p;
1349 				p = realloc(tz_names, 2 * maxfiles * sizeof *tz_names);
1350 				if (p == NULL)
1351 					break;
1352 				tz_names = p;
1353 				maxfiles *= 2;
1354 			}
1355 			if (S_ISREG(sb.st_mode))
1356 				tz_menu[nfiles].opt_action = set_tz_select;
1357 			else if (S_ISDIR(sb.st_mode)) {
1358 				tz_menu[nfiles].opt_action = set_tz_dir;
1359 				strlcat(fp, "/",
1360 				    sizeof(zoneinfo_dir) - (fp - zoneinfo_dir));
1361 			} else
1362 				continue;
1363 			tz_names[nfiles] = strdup(zoneinfo_dir + zonerootlen);
1364 			tz_menu[nfiles].opt_name = tz_names[nfiles];
1365 			tz_menu[nfiles].opt_menu = OPT_NOMENU;
1366 			tz_menu[nfiles].opt_flags = 0;
1367 			nfiles++;
1368 		}
1369 		closedir(dir);
1370 	}
1371 	*fp = 0;
1372 
1373 	m->opts = tz_menu;
1374 	m->numopts = nfiles;
1375 	qsort(tz_menu, nfiles, sizeof *tz_menu, tz_sort);
1376 }
1377 
1378 void
1379 get_tz_default(void)
1380 {
1381 	char localtime_link[STRSIZE];
1382 	static char localtime_target[STRSIZE];
1383 	int rc;
1384 
1385 	strlcpy(localtime_link, target_expand("/etc/localtime"),
1386 	    sizeof localtime_link);
1387 
1388 	/* Add sanity check that /mnt/usr/share/zoneinfo contains
1389 	 * something useful
1390 	 */
1391 
1392 	rc = readlink(localtime_link, localtime_target,
1393 		      sizeof(localtime_target) - 1);
1394 	if (rc < 0) {
1395 		/* error, default to UTC */
1396 		tz_default = "UTC";
1397 	} else {
1398 		localtime_target[rc] = '\0';
1399 		tz_default = strchr(strstr(localtime_target, "zoneinfo"), '/') + 1;
1400 	}
1401 }
1402 
1403 /*
1404  * Choose from the files in usr/share/zoneinfo and set etc/localtime
1405  */
1406 int
1407 set_timezone(void)
1408 {
1409 	char localtime_link[STRSIZE];
1410 	char localtime_target[STRSIZE];
1411 	time_t t;
1412 	struct tm *tm;
1413 	int menu_no;
1414 
1415 	strlcpy(zoneinfo_dir, target_expand("/usr/share/zoneinfo/"),
1416 	    sizeof zoneinfo_dir - 1);
1417 	zonerootlen = strlen(zoneinfo_dir);
1418 
1419 	get_tz_default();
1420 
1421 	tz_selected = strdup(tz_default);
1422 	snprintf(tz_env, sizeof(tz_env), "%s%s", zoneinfo_dir, tz_selected);
1423 	setenv("TZ", tz_env, 1);
1424 	t = time(NULL);
1425 	tm = localtime(&t);
1426 	msg_display(MSG_choose_timezone,
1427 		    tz_default, tz_selected, safectime(&t), tm ? tm->tm_zone :
1428 		    "?");
1429 
1430 	signal(SIGALRM, timezone_sig);
1431 	alarm(60);
1432 
1433 	menu_no = new_menu(NULL, NULL, 14, 23, 9,
1434 			   12, 32, MC_ALWAYS_SCROLL | MC_NOSHORTCUT,
1435 			   tzm_set_names, NULL, NULL,
1436 			   "\nPlease consult the install documents.", NULL);
1437 	if (menu_no < 0)
1438 		goto done;	/* error - skip timezone setting */
1439 
1440 	process_menu(menu_no, NULL);
1441 
1442 	free_menu(menu_no);
1443 
1444 	signal(SIGALRM, SIG_IGN);
1445 
1446 	snprintf(localtime_target, sizeof(localtime_target),
1447 		 "/usr/share/zoneinfo/%s", tz_selected);
1448 	strlcpy(localtime_link, target_expand("/etc/localtime"),
1449 	    sizeof localtime_link);
1450 	unlink(localtime_link);
1451 	symlink(localtime_target, localtime_link);
1452 
1453 done:
1454 	return 1;
1455 }
1456 
1457 void
1458 scripting_vfprintf(FILE *f, const char *fmt, va_list ap)
1459 {
1460 
1461 	if (f)
1462 		(void)vfprintf(f, fmt, ap);
1463 	if (script)
1464 		(void)vfprintf(script, fmt, ap);
1465 }
1466 
1467 void
1468 scripting_fprintf(FILE *f, const char *fmt, ...)
1469 {
1470 	va_list ap;
1471 
1472 	va_start(ap, fmt);
1473 	scripting_vfprintf(f, fmt, ap);
1474 	va_end(ap);
1475 }
1476 
1477 void
1478 add_rc_conf(const char *fmt, ...)
1479 {
1480 	FILE *f;
1481 	va_list ap;
1482 
1483 	va_start(ap, fmt);
1484 	f = target_fopen("/etc/rc.conf", "a");
1485 	if (f != 0) {
1486 		scripting_fprintf(NULL, "cat <<EOF >>%s/etc/rc.conf\n",
1487 		    target_prefix());
1488 		scripting_vfprintf(f, fmt, ap);
1489 		fclose(f);
1490 		scripting_fprintf(NULL, "EOF\n");
1491 	}
1492 	va_end(ap);
1493 }
1494 
1495 int
1496 del_rc_conf(const char *value)
1497 {
1498 	FILE *fp, *nfp;
1499 	char buf[4096]; /* Ridiculously high, but should be enough in any way */
1500 	char *rcconf, *tempname = NULL, *bakname = NULL;
1501 	char *cp;
1502 	int done = 0;
1503 	int fd;
1504 	int retval = 0;
1505 
1506 	/* The paths might seem strange, but using /tmp would require copy instead
1507 	 * of rename operations. */
1508 	if (asprintf(&rcconf, "%s", target_expand("/etc/rc.conf")) < 0
1509 			|| asprintf(&tempname, "%s", target_expand("/etc/rc.conf.tmp.XXXXXX")) < 0
1510 			|| asprintf(&bakname, "%s", target_expand("/etc/rc.conf.bak.XXXXXX")) < 0) {
1511 		if (rcconf)
1512 			free(rcconf);
1513 		if (tempname)
1514 			free(tempname);
1515 		msg_display(MSG_rcconf_delete_failed, value);
1516 		process_menu(MENU_ok, NULL);
1517 		return -1;
1518 	}
1519 
1520 	if ((fd = mkstemp(bakname)) < 0) {
1521 		msg_display(MSG_rcconf_delete_failed, value);
1522 		process_menu(MENU_ok, NULL);
1523 		return -1;
1524 	}
1525 	close(fd);
1526 
1527 	if (!(fp = fopen(rcconf, "r+")) || (fd = mkstemp(tempname)) < 0) {
1528 		if (fp)
1529 			fclose(fp);
1530 		msg_display(MSG_rcconf_delete_failed, value);
1531 		process_menu(MENU_ok, NULL);
1532 		return -1;
1533 	}
1534 
1535 	nfp = fdopen(fd, "w");
1536 	if (!nfp) {
1537 		fclose(fp);
1538 		close(fd);
1539 		msg_display(MSG_rcconf_delete_failed, value);
1540 		process_menu(MENU_ok, NULL);
1541 		return -1;
1542 	}
1543 
1544 	while (fgets(buf, sizeof buf, fp) != NULL) {
1545 
1546 		cp = buf + strspn(buf, " \t"); /* Skip initial spaces */
1547 		if (strncmp(cp, value, strlen(value)) == 0) {
1548 			cp += strlen(value);
1549 			if (*cp != '=')
1550 				scripting_fprintf(nfp, "%s", buf);
1551 			else
1552 				done = 1;
1553 		} else {
1554 			scripting_fprintf(nfp, "%s", buf);
1555 		}
1556 	}
1557 	fclose(fp);
1558 	fclose(nfp);
1559 
1560 	if (done) {
1561 		if (rename(rcconf, bakname)) {
1562 			msg_display(MSG_rcconf_backup_failed);
1563 			process_menu(MENU_noyes, NULL);
1564 			if (!yesno) {
1565 				retval = -1;
1566 				goto done;
1567 			}
1568 		}
1569 
1570 		if (rename(tempname, rcconf)) {
1571 			if (rename(bakname, rcconf)) {
1572 				msg_display(MSG_rcconf_restore_failed);
1573 				process_menu(MENU_ok, NULL);
1574 			} else {
1575 				msg_display(MSG_rcconf_delete_failed, value);
1576 				process_menu(MENU_ok, NULL);
1577 			}
1578 		} else {
1579 			(void)unlink(bakname);
1580 		}
1581 	}
1582 
1583 done:
1584 	(void)unlink(tempname);
1585 	free(rcconf);
1586 	free(tempname);
1587 	free(bakname);
1588 	return retval;
1589 }
1590 
1591 void
1592 add_sysctl_conf(const char *fmt, ...)
1593 {
1594 	FILE *f;
1595 	va_list ap;
1596 
1597 	va_start(ap, fmt);
1598 	f = target_fopen("/etc/sysctl.conf", "a");
1599 	if (f != 0) {
1600 		scripting_fprintf(NULL, "cat <<EOF >>%s/etc/sysctl.conf\n",
1601 		    target_prefix());
1602 		scripting_vfprintf(f, fmt, ap);
1603 		fclose(f);
1604 		scripting_fprintf(NULL, "EOF\n");
1605 	}
1606 	va_end(ap);
1607 }
1608 
1609 void
1610 enable_rc_conf(void)
1611 {
1612 
1613 	replace("/etc/rc.conf", "s/^rc_configured=NO/rc_configured=YES/");
1614 }
1615 
1616 int
1617 check_lfs_progs(void)
1618 {
1619 
1620 #ifndef NO_LFS
1621 	return binary_available("fsck_lfs") && binary_available("mount_lfs")
1622 	    && binary_available("newfs_lfs");
1623 #else
1624 	return 0;
1625 #endif
1626 }
1627 
1628 int
1629 set_is_source(const char *set_name) {
1630 	int len = strlen(set_name);
1631 	return len >= 3 && memcmp(set_name + len - 3, "src", 3) == 0;
1632 }
1633 
1634 const char *
1635 set_dir_for_set(const char *set_name) {
1636 	if (strcmp(set_name, "pkgsrc") == 0)
1637 		return pkgsrc_dir;
1638 	return set_is_source(set_name) ? set_dir_src : set_dir_bin;
1639 }
1640 
1641 const char *
1642 ext_dir_for_set(const char *set_name) {
1643 	if (strcmp(set_name, "pkgsrc") == 0)
1644 		return ext_dir_pkgsrc;
1645 	return set_is_source(set_name) ? ext_dir_src : ext_dir_bin;
1646 }
1647 
1648 void
1649 do_coloring(unsigned int fg, unsigned int bg) {
1650 	if (bg > COLOR_WHITE)
1651 		bg = COLOR_BLUE;
1652 	if (fg > COLOR_WHITE)
1653 		fg = COLOR_WHITE;
1654 	if (fg != bg && has_colors()) {
1655 		init_pair(1, fg, bg);
1656 		wbkgd(stdscr, COLOR_PAIR(1));
1657 		wbkgd(mainwin, COLOR_PAIR(1));
1658 		wattrset(stdscr, COLOR_PAIR(1));
1659 		wattrset(mainwin, COLOR_PAIR(1));
1660 	}
1661 	/* redraw screen */
1662 	touchwin(stdscr);
1663 	touchwin(mainwin);
1664 	wrefresh(stdscr);
1665 	wrefresh(mainwin);
1666 	return;
1667 }
1668 
1669 int
1670 set_menu_select(menudesc *m, void *arg)
1671 {
1672 	*(int *)arg = m->cursel;
1673 	return 1;
1674 }
1675 
1676 /*
1677  * check wether a binary is available somewhere in PATH,
1678  * return 1 if found, 0 if not.
1679  */
1680 int
1681 binary_available(const char *prog)
1682 {
1683         char *p, tmp[MAXPATHLEN], *path = getenv("PATH");
1684 
1685         if (path == NULL)
1686                 return access(prog, X_OK) == 0;
1687         path = strdup(path);
1688         if (path == NULL)
1689                 return 0;
1690 
1691         while ((p = strsep(&path, ":")) != NULL) {
1692                 if (strlcpy(tmp, p, MAXPATHLEN) >= MAXPATHLEN)
1693                         continue;
1694                 if (strlcat(tmp, "/", MAXPATHLEN) >= MAXPATHLEN)
1695                         continue;
1696                 if (strlcat(tmp, prog, MAXPATHLEN) >= MAXPATHLEN)
1697                         continue;
1698                 if (access(tmp, X_OK) == 0) {
1699                         free(path);
1700                         return 1;
1701                 }
1702         }
1703         free(path);
1704         return 0;
1705 }
1706 
1707 const char *
1708 safectime(time_t *t)
1709 {
1710 	const char *s = ctime(t);
1711 	if (s != NULL)
1712 		return s;
1713 
1714 	// Debugging.
1715 	fprintf(stderr, "Can't convert to localtime 0x%jx (%s)\n",
1716 	    (intmax_t)*t, strerror(errno));
1717 	      /*123456789012345678901234*/
1718 	return "preposterous clock time\n";
1719 }
1720