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util.c revision 1.3.2.1
      1 /*	$NetBSD: util.c,v 1.3.2.1 2014/08/23 03:44:02 riz 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 
   1237 	if (m && strcmp(tz_selected, m->opts[m->cursel].opt_name) != 0) {
   1238 		/* Change the displayed timezone */
   1239 		new = strdup(m->opts[m->cursel].opt_name);
   1240 		if (new == NULL)
   1241 			return 0;
   1242 		free(tz_selected);
   1243 		tz_selected = new;
   1244 		snprintf(tz_env, sizeof tz_env, "%.*s%s",
   1245 			 zonerootlen, zoneinfo_dir, tz_selected);
   1246 		setenv("TZ", tz_env, 1);
   1247 	}
   1248 	if (m)
   1249 		/* Warp curser to 'Exit' line on menu */
   1250 		m->cursel = -1;
   1251 
   1252 	/* Update displayed time */
   1253 	t = time(NULL);
   1254 	msg_display(MSG_choose_timezone,
   1255 		    tz_default, tz_selected, ctime(&t), localtime(&t)->tm_zone);
   1256 	return 0;
   1257 }
   1258 
   1259 static int
   1260 set_tz_back(menudesc *m, void *arg)
   1261 {
   1262 
   1263 	zoneinfo_dir[zonerootlen] = 0;
   1264 	m->cursel = save_cursel;
   1265 	m->topline = save_topline;
   1266 	return 0;
   1267 }
   1268 
   1269 static int
   1270 set_tz_dir(menudesc *m, void *arg)
   1271 {
   1272 
   1273 	strlcpy(zoneinfo_dir + zonerootlen, m->opts[m->cursel].opt_name,
   1274 		sizeof zoneinfo_dir - zonerootlen);
   1275 	save_cursel = m->cursel;
   1276 	save_topline = m->topline;
   1277 	m->cursel = 0;
   1278 	m->topline = 0;
   1279 	return 0;
   1280 }
   1281 
   1282 /*
   1283  * Alarm-handler to update example-display
   1284  */
   1285 static void
   1286 /*ARGSUSED*/
   1287 timezone_sig(int sig)
   1288 {
   1289 
   1290 	set_tz_select(NULL, NULL);
   1291 	alarm(60);
   1292 }
   1293 
   1294 static int
   1295 tz_sort(const void *a, const void *b)
   1296 {
   1297 	return strcmp(((const menu_ent *)a)->opt_name, ((const menu_ent *)b)->opt_name);
   1298 }
   1299 
   1300 static void
   1301 tzm_set_names(menudesc *m, void *arg)
   1302 {
   1303 	DIR *dir;
   1304 	struct dirent *dp;
   1305 	static int nfiles;
   1306 	static int maxfiles = 32;
   1307 	static menu_ent *tz_menu;
   1308 	static char **tz_names;
   1309 	void *p;
   1310 	int maxfname;
   1311 	char *fp;
   1312 	struct stat sb;
   1313 
   1314 	if (tz_menu == NULL)
   1315 		tz_menu = malloc(maxfiles * sizeof *tz_menu);
   1316 	if (tz_names == NULL)
   1317 		tz_names = malloc(maxfiles * sizeof *tz_names);
   1318 	if (tz_menu == NULL || tz_names == NULL)
   1319 		return;	/* error - skip timezone setting */
   1320 	while (nfiles > 0)
   1321 		free(tz_names[--nfiles]);
   1322 
   1323 	dir = opendir(zoneinfo_dir);
   1324 	fp = strchr(zoneinfo_dir, 0);
   1325 	if (fp != zoneinfo_dir + zonerootlen) {
   1326 		tz_names[0] = 0;
   1327 		tz_menu[0].opt_name = msg_string(MSG_tz_back);
   1328 		tz_menu[0].opt_menu = OPT_NOMENU;
   1329 		tz_menu[0].opt_flags = 0;
   1330 		tz_menu[0].opt_action = set_tz_back;
   1331 		nfiles = 1;
   1332 	}
   1333 	maxfname = zoneinfo_dir + sizeof zoneinfo_dir - fp - 1;
   1334 	if (dir != NULL) {
   1335 		while ((dp = readdir(dir)) != NULL) {
   1336 			if (dp->d_namlen > maxfname || dp->d_name[0] == '.')
   1337 				continue;
   1338 			strlcpy(fp, dp->d_name, maxfname);
   1339 			if (stat(zoneinfo_dir, &sb) == -1)
   1340 				continue;
   1341 			if (nfiles >= maxfiles) {
   1342 				p = realloc(tz_menu, 2 * maxfiles * sizeof *tz_menu);
   1343 				if (p == NULL)
   1344 					break;
   1345 				tz_menu = p;
   1346 				p = realloc(tz_names, 2 * maxfiles * sizeof *tz_names);
   1347 				if (p == NULL)
   1348 					break;
   1349 				tz_names = p;
   1350 				maxfiles *= 2;
   1351 			}
   1352 			if (S_ISREG(sb.st_mode))
   1353 				tz_menu[nfiles].opt_action = set_tz_select;
   1354 			else if (S_ISDIR(sb.st_mode)) {
   1355 				tz_menu[nfiles].opt_action = set_tz_dir;
   1356 				strlcat(fp, "/",
   1357 				    sizeof(zoneinfo_dir) - (fp - zoneinfo_dir));
   1358 			} else
   1359 				continue;
   1360 			tz_names[nfiles] = strdup(zoneinfo_dir + zonerootlen);
   1361 			tz_menu[nfiles].opt_name = tz_names[nfiles];
   1362 			tz_menu[nfiles].opt_menu = OPT_NOMENU;
   1363 			tz_menu[nfiles].opt_flags = 0;
   1364 			nfiles++;
   1365 		}
   1366 		closedir(dir);
   1367 	}
   1368 	*fp = 0;
   1369 
   1370 	m->opts = tz_menu;
   1371 	m->numopts = nfiles;
   1372 	qsort(tz_menu, nfiles, sizeof *tz_menu, tz_sort);
   1373 }
   1374 
   1375 void
   1376 get_tz_default(void)
   1377 {
   1378 	char localtime_link[STRSIZE];
   1379 	static char localtime_target[STRSIZE];
   1380 	int rc;
   1381 
   1382 	strlcpy(localtime_link, target_expand("/etc/localtime"),
   1383 	    sizeof localtime_link);
   1384 
   1385 	/* Add sanity check that /mnt/usr/share/zoneinfo contains
   1386 	 * something useful
   1387 	 */
   1388 
   1389 	rc = readlink(localtime_link, localtime_target,
   1390 		      sizeof(localtime_target) - 1);
   1391 	if (rc < 0) {
   1392 		/* error, default to UTC */
   1393 		tz_default = "UTC";
   1394 	} else {
   1395 		localtime_target[rc] = '\0';
   1396 		tz_default = strchr(strstr(localtime_target, "zoneinfo"), '/') + 1;
   1397 	}
   1398 }
   1399 
   1400 /*
   1401  * Choose from the files in usr/share/zoneinfo and set etc/localtime
   1402  */
   1403 int
   1404 set_timezone(void)
   1405 {
   1406 	char localtime_link[STRSIZE];
   1407 	char localtime_target[STRSIZE];
   1408 	time_t t;
   1409 	int menu_no;
   1410 
   1411 	strlcpy(zoneinfo_dir, target_expand("/usr/share/zoneinfo/"),
   1412 	    sizeof zoneinfo_dir - 1);
   1413 	zonerootlen = strlen(zoneinfo_dir);
   1414 
   1415 	get_tz_default();
   1416 
   1417 	tz_selected = strdup(tz_default);
   1418 	snprintf(tz_env, sizeof(tz_env), "%s%s", zoneinfo_dir, tz_selected);
   1419 	setenv("TZ", tz_env, 1);
   1420 	t = time(NULL);
   1421 	msg_display(MSG_choose_timezone,
   1422 		    tz_default, tz_selected, ctime(&t), localtime(&t)->tm_zone);
   1423 
   1424 	signal(SIGALRM, timezone_sig);
   1425 	alarm(60);
   1426 
   1427 	menu_no = new_menu(NULL, NULL, 14, 23, 9,
   1428 			   12, 32, MC_ALWAYS_SCROLL | MC_NOSHORTCUT,
   1429 			   tzm_set_names, NULL, NULL,
   1430 			   "\nPlease consult the install documents.", NULL);
   1431 	if (menu_no < 0)
   1432 		goto done;	/* error - skip timezone setting */
   1433 
   1434 	process_menu(menu_no, NULL);
   1435 
   1436 	free_menu(menu_no);
   1437 
   1438 	signal(SIGALRM, SIG_IGN);
   1439 
   1440 	snprintf(localtime_target, sizeof(localtime_target),
   1441 		 "/usr/share/zoneinfo/%s", tz_selected);
   1442 	strlcpy(localtime_link, target_expand("/etc/localtime"),
   1443 	    sizeof localtime_link);
   1444 	unlink(localtime_link);
   1445 	symlink(localtime_target, localtime_link);
   1446 
   1447 done:
   1448 	return 1;
   1449 }
   1450 
   1451 void
   1452 scripting_vfprintf(FILE *f, const char *fmt, va_list ap)
   1453 {
   1454 
   1455 	if (f)
   1456 		(void)vfprintf(f, fmt, ap);
   1457 	if (script)
   1458 		(void)vfprintf(script, fmt, ap);
   1459 }
   1460 
   1461 void
   1462 scripting_fprintf(FILE *f, const char *fmt, ...)
   1463 {
   1464 	va_list ap;
   1465 
   1466 	va_start(ap, fmt);
   1467 	scripting_vfprintf(f, fmt, ap);
   1468 	va_end(ap);
   1469 }
   1470 
   1471 void
   1472 add_rc_conf(const char *fmt, ...)
   1473 {
   1474 	FILE *f;
   1475 	va_list ap;
   1476 
   1477 	va_start(ap, fmt);
   1478 	f = target_fopen("/etc/rc.conf", "a");
   1479 	if (f != 0) {
   1480 		scripting_fprintf(NULL, "cat <<EOF >>%s/etc/rc.conf\n",
   1481 		    target_prefix());
   1482 		scripting_vfprintf(f, fmt, ap);
   1483 		fclose(f);
   1484 		scripting_fprintf(NULL, "EOF\n");
   1485 	}
   1486 	va_end(ap);
   1487 }
   1488 
   1489 int
   1490 del_rc_conf(const char *value)
   1491 {
   1492 	FILE *fp, *nfp;
   1493 	char buf[4096]; /* Ridiculously high, but should be enough in any way */
   1494 	char *rcconf, *tempname = NULL, *bakname = NULL;
   1495 	char *cp;
   1496 	int done = 0;
   1497 	int fd;
   1498 	int retval = 0;
   1499 
   1500 	/* The paths might seem strange, but using /tmp would require copy instead
   1501 	 * of rename operations. */
   1502 	if (asprintf(&rcconf, "%s", target_expand("/etc/rc.conf")) < 0
   1503 			|| asprintf(&tempname, "%s", target_expand("/etc/rc.conf.tmp.XXXXXX")) < 0
   1504 			|| asprintf(&bakname, "%s", target_expand("/etc/rc.conf.bak.XXXXXX")) < 0) {
   1505 		if (rcconf)
   1506 			free(rcconf);
   1507 		if (tempname)
   1508 			free(tempname);
   1509 		msg_display(MSG_rcconf_delete_failed, value);
   1510 		process_menu(MENU_ok, NULL);
   1511 		return -1;
   1512 	}
   1513 
   1514 	if ((fd = mkstemp(bakname)) < 0) {
   1515 		msg_display(MSG_rcconf_delete_failed, value);
   1516 		process_menu(MENU_ok, NULL);
   1517 		return -1;
   1518 	}
   1519 	close(fd);
   1520 
   1521 	if (!(fp = fopen(rcconf, "r+")) || (fd = mkstemp(tempname)) < 0) {
   1522 		if (fp)
   1523 			fclose(fp);
   1524 		msg_display(MSG_rcconf_delete_failed, value);
   1525 		process_menu(MENU_ok, NULL);
   1526 		return -1;
   1527 	}
   1528 
   1529 	nfp = fdopen(fd, "w");
   1530 	if (!nfp) {
   1531 		fclose(fp);
   1532 		close(fd);
   1533 		msg_display(MSG_rcconf_delete_failed, value);
   1534 		process_menu(MENU_ok, NULL);
   1535 		return -1;
   1536 	}
   1537 
   1538 	while (fgets(buf, sizeof buf, fp) != NULL) {
   1539 
   1540 		cp = buf + strspn(buf, " \t"); /* Skip initial spaces */
   1541 		if (strncmp(cp, value, strlen(value)) == 0) {
   1542 			cp += strlen(value);
   1543 			if (*cp != '=')
   1544 				scripting_fprintf(nfp, "%s", buf);
   1545 			else
   1546 				done = 1;
   1547 		} else {
   1548 			scripting_fprintf(nfp, "%s", buf);
   1549 		}
   1550 	}
   1551 	fclose(fp);
   1552 	fclose(nfp);
   1553 
   1554 	if (done) {
   1555 		if (rename(rcconf, bakname)) {
   1556 			msg_display(MSG_rcconf_backup_failed);
   1557 			process_menu(MENU_noyes, NULL);
   1558 			if (!yesno) {
   1559 				retval = -1;
   1560 				goto done;
   1561 			}
   1562 		}
   1563 
   1564 		if (rename(tempname, rcconf)) {
   1565 			if (rename(bakname, rcconf)) {
   1566 				msg_display(MSG_rcconf_restore_failed);
   1567 				process_menu(MENU_ok, NULL);
   1568 			} else {
   1569 				msg_display(MSG_rcconf_delete_failed, value);
   1570 				process_menu(MENU_ok, NULL);
   1571 			}
   1572 		} else {
   1573 			(void)unlink(bakname);
   1574 		}
   1575 	}
   1576 
   1577 done:
   1578 	(void)unlink(tempname);
   1579 	free(rcconf);
   1580 	free(tempname);
   1581 	free(bakname);
   1582 	return retval;
   1583 }
   1584 
   1585 void
   1586 add_sysctl_conf(const char *fmt, ...)
   1587 {
   1588 	FILE *f;
   1589 	va_list ap;
   1590 
   1591 	va_start(ap, fmt);
   1592 	f = target_fopen("/etc/sysctl.conf", "a");
   1593 	if (f != 0) {
   1594 		scripting_fprintf(NULL, "cat <<EOF >>%s/etc/sysctl.conf\n",
   1595 		    target_prefix());
   1596 		scripting_vfprintf(f, fmt, ap);
   1597 		fclose(f);
   1598 		scripting_fprintf(NULL, "EOF\n");
   1599 	}
   1600 	va_end(ap);
   1601 }
   1602 
   1603 void
   1604 enable_rc_conf(void)
   1605 {
   1606 
   1607 	replace("/etc/rc.conf", "s/^rc_configured=NO/rc_configured=YES/");
   1608 }
   1609 
   1610 int
   1611 check_lfs_progs(void)
   1612 {
   1613 
   1614 #ifndef NO_LFS
   1615 	return binary_available("fsck_lfs") && binary_available("mount_lfs")
   1616 	    && binary_available("newfs_lfs");
   1617 #else
   1618 	return 0;
   1619 #endif
   1620 }
   1621 
   1622 int
   1623 set_is_source(const char *set_name) {
   1624 	int len = strlen(set_name);
   1625 	return len >= 3 && memcmp(set_name + len - 3, "src", 3) == 0;
   1626 }
   1627 
   1628 const char *
   1629 set_dir_for_set(const char *set_name) {
   1630 	if (strcmp(set_name, "pkgsrc") == 0)
   1631 		return pkgsrc_dir;
   1632 	return set_is_source(set_name) ? set_dir_src : set_dir_bin;
   1633 }
   1634 
   1635 const char *
   1636 ext_dir_for_set(const char *set_name) {
   1637 	if (strcmp(set_name, "pkgsrc") == 0)
   1638 		return ext_dir_pkgsrc;
   1639 	return set_is_source(set_name) ? ext_dir_src : ext_dir_bin;
   1640 }
   1641 
   1642 void
   1643 do_coloring(unsigned int fg, unsigned int bg) {
   1644 	if (bg > COLOR_WHITE)
   1645 		bg = COLOR_BLUE;
   1646 	if (fg > COLOR_WHITE)
   1647 		fg = COLOR_WHITE;
   1648 	if (fg != bg && has_colors()) {
   1649 		init_pair(1, fg, bg);
   1650 		wbkgd(stdscr, COLOR_PAIR(1));
   1651 		wbkgd(mainwin, COLOR_PAIR(1));
   1652 		wattrset(stdscr, COLOR_PAIR(1));
   1653 		wattrset(mainwin, COLOR_PAIR(1));
   1654 	}
   1655 	/* redraw screen */
   1656 	touchwin(stdscr);
   1657 	touchwin(mainwin);
   1658 	wrefresh(stdscr);
   1659 	wrefresh(mainwin);
   1660 	return;
   1661 }
   1662 
   1663 int
   1664 set_menu_select(menudesc *m, void *arg)
   1665 {
   1666 	*(int *)arg = m->cursel;
   1667 	return 1;
   1668 }
   1669 
   1670 /*
   1671  * check wether a binary is available somewhere in PATH,
   1672  * return 1 if found, 0 if not.
   1673  */
   1674 int
   1675 binary_available(const char *prog)
   1676 {
   1677         char *p, tmp[MAXPATHLEN], *path = getenv("PATH");
   1678 
   1679         if (path == NULL)
   1680                 return access(prog, X_OK) == 0;
   1681         path = strdup(path);
   1682         if (path == NULL)
   1683                 return 0;
   1684 
   1685         while ((p = strsep(&path, ":")) != NULL) {
   1686                 if (strlcpy(tmp, p, MAXPATHLEN) >= MAXPATHLEN)
   1687                         continue;
   1688                 if (strlcat(tmp, "/", MAXPATHLEN) >= MAXPATHLEN)
   1689                         continue;
   1690                 if (strlcat(tmp, prog, MAXPATHLEN) >= MAXPATHLEN)
   1691                         continue;
   1692                 if (access(tmp, X_OK) == 0) {
   1693                         free(path);
   1694                         return 1;
   1695                 }
   1696         }
   1697         free(path);
   1698         return 0;
   1699 }
   1700 
   1701