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1/*
2 * Mini linuxrc implementation for busybox.
3 * An implementation of the linuxrc boot script.
4 *
5 * Copyright (C) 2004 by David Seikel won_fang@yahoo.com.au
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 * 02111-1307 USA
21 *
22 */
23
24#include <dirent.h>
25#include <fcntl.h>
26#include <unistd.h>
27#include <errno.h>
28#include <signal.h>
29#include <string.h>
30#include <sys/poll.h>
31#include <sys/wait.h>
32#include <sys/utsname.h> /* for uname(2) */
33
34#include "busybox.h"
35#include "lib_init_d.h"
36#include "my_linux.h"
37
38
39const static char *directories[] =
40{
41 "boot",
42 "dev/pts",
43 "dev/input",
44 "lib",
45 "media/ROOT",
46 "media/cdrom",
47 "media/floppy",
48 "mnt",
49 "opt",
50 "proc",
51 "sbin",
52 "sys",
53 "udev",
54 "usr/bin",
55 "usr/etc/init.d",
56 "usr/lib",
57 "usr/sbin",
58 "var/cache",
59 "var/etc/network/if-down.d",
60 "var/etc/network/if-post-down.d",
61 "var/etc/network/if-pre-up.d",
62 "var/etc/network/if-up.d",
63 "var/etc/sysconfig",
64 "var/home/root",
65 "var/lib/misc",
66 "var/lib/network",
67 "var/lib/my_linux/init.m/done",
68 "var/lib/my_linux/pkg",
69 "var/lib/my_linux/config",
70 "var/lib/my_linux/contents",
71 "var/log",
72 "var/spool/cron/crontabs",
73 "var/temp",
74 "var/tmp",
75#ifdef CONFIG_FEATURE_FULL_LSB
76 "boot/grub",
77 "bin",
78 "dev/net",
79 "etc/X11",
80 "etc/cron.d",
81 "etc/cron.daily",
82 "etc/cron.fortnightly",
83 "etc/cron.hourly",
84 "etc/cron.monthly",
85 "etc/cron.weekly",
86 "etc/cups",
87 "etc/opt",
88 "etc/sgml",
89 "etc/udev",
90 "lib/lsb",
91 "lib/modules/2.6.9/kernel",
92 "opt/bin",
93 "opt/doc",
94 "opt/include",
95 "opt/info",
96 "opt/lib",
97 "opt/man",
98 "usr/X11R6",
99 "usr/X11R6/bin",
100 "usr/X11R6/include/X11",
101 "usr/X11R6/lib/X11",
102 "usr/X11R6/man/en/man8",
103 "usr/doc",
104 "usr/games",
105 "usr/i386-linux-uclibc/include",
106 "usr/i386-linux-uclibc/lib",
107 "usr/i386-linux-uclibc/games",
108 "usr/i386-linux-uclibc/lsb",
109 "usr/include/bsd",
110 "usr/local/bin",
111 "usr/local/games",
112 "usr/local/i386-linux-uclibc/include",
113 "usr/local/i386-linux-uclibc/lib",
114 "usr/local/include",
115 "usr/local/lib",
116 "usr/local/man/en/man8",
117 "usr/local/sbin",
118 "usr/local/share",
119 "usr/local/src",
120 "usr/share/dict",
121 "usr/share/doc",
122 "usr/share/games",
123 "usr/share/ghostscript",
124 "usr/share/groff",
125 "usr/share/info",
126 "usr/share/kbd",
127 "usr/share/locale",
128 "usr/share/man/en/man8",
129 "usr/share/misc/getopt",
130 "usr/share/nls",
131 "usr/share/perl",
132 "usr/share/sgml/docbook",
133 "usr/share/sgml/html/dtd",
134 "usr/share/sgml/tei",
135 "usr/share/terminfo",
136 "usr/share/texmf",
137 "usr/share/zoneinfo",
138 "usr/src/linux-2.6.9/include",
139 "usr/src/packages/BUILD",
140 "usr/src/packages/RPMS/athlon",
141 "usr/src/packages/RPMS/i386",
142 "usr/src/packages/RPMS/i486",
143 "usr/src/packages/RPMS/i586",
144 "usr/src/packages/RPMS/i686",
145 "usr/src/packages/RPMS/noarch",
146 "usr/src/packages/SOURCES",
147 "usr/src/packages/SPECS",
148 "usr/src/packages/SRPMS",
149 "var/account",
150 "var/backups",
151 "var/cache/fonts",
152 "var/cache/man/en/man8",
153 "var/cache/www",
154 "var/cron",
155 "var/games",
156 "var/lib/hwclock",
157 "var/lib/xdm",
158 "var/local",
159 "var/msgs",
160 "var/nis",
161 "var/opt",
162 "var/preserve",
163 "var/spool/lpd",
164 "var/spool/mail",
165 "var/spool/mqueue",
166 "var/spool/news",
167 "var/spool/rwho",
168 "var/spool/uucp",
169 "var/yp",
170#endif
171 NULL
172};
173
174
175const static nodes_t nodes[] =
176{
177 {"initctl", S_IFIFO, 0, 0, 0},
178 {"log", S_IFIFO, 0, 0, 0},
179 {"mem", S_IFCHR, 1, 1, 0},
180 {"kmem", S_IFCHR, 1, 2, 0},
181 {"port", S_IFCHR, 1, 4, 0},
182 {"zero", S_IFCHR, 1, 5, 0},
183 {"full", S_IFCHR, 1, 7, 0},
184 {"random", S_IFCHR, 1, 8, 0},
185 {"urandom", S_IFCHR, 1, 9, 0},
186 {"tty", S_IFCHR, 5, 0, 0},
187 {"psaux", S_IFCHR, 10, 1, 0},
188 {"hda", S_IFBLK, 3, 0, 0},
189 {"hdb", S_IFBLK, 3, 64, 0},
190 {"hdc", S_IFBLK, 22, 0, 0},
191 {"hdd", S_IFBLK, 22, 64, 0},
192 {"ram", S_IFBLK, 1, 0, 9},
193 {"fd", S_IFBLK, 2, 0, 1},
194 {"tty", S_IFCHR, 4, 0,12},
195 {"ttyS", S_IFCHR, 4, 64,47},
196 {"loop", S_IFBLK, 7, 0,63},
197 {"cloop", S_IFBLK, 240, 0, 7},
198 {"vcs", S_IFBLK, 7, 0, 9},
199 {"vcsa", S_IFBLK, 7, 0, 9},
200 {"input/keyboard", S_IFCHR, 10,150, 0},
201 {"input/js", S_IFCHR, 13, 0, 31},
202 {"input/mouse", S_IFCHR, 13, 32, 30},
203 {"input/mice", S_IFCHR, 13, 63, 0},
204 {"input/event", S_IFCHR, 13, 64, 63},
205#ifdef CONFIG_FEATURE_FULL_LSB
206 {"net/tun", S_IFCHR, 10,200, 0},
207 {"fb0", S_IFCHR, 29, 0, 0},
208 {"fb1", S_IFCHR, 29, 32, 0},
209 {"fb2", S_IFCHR, 29, 64, 0},
210 {"fb3", S_IFCHR, 29, 96, 0},
211#endif
212 {0, 0, 0, 0, 0}
213};
214
215
216const static char *files[][2] =
217{
218 {"/var/etc/crontab", ""},
219// {"/var/etc/fstab", "none\t/dev/shm\tshm\tdefaults\t0 0\n/\t/dev/ram0\tminix\tdefaults\t0 0\n"},
220 {"/var/etc/fstab", ""},
221 {"/var/etc/group", "root:x:0:\ndaemon:x:2:\nshadow:x:42:\nusers:x:100:\nnogroup:x:65534:\n"},
222 {"/var/etc/host.conf", "order hosts,bind\nmulti on\n"},
223 {"/var/etc/hosts", "127.0.0.1 localhost\n"},
224 {"/var/etc/inittab", "::sysinit:/sbin/rcS\ntty1::respawn:/bin/ash\ntty9::once:/sbin/rc 1\ntty11::once:/bin/dmesg\n::ctrlaltdel:/sbin/reboot\n::shutdown:/sbin/rc 0\n::shutdown:/sbin/swapoff -a\n::shutdown:/bin/umount -a -r\n::restart:/sbin/init\n"},
225 {"/var/etc/ld.so.conf", ""},
226 {"/var/etc/network/interfaces", "auto lo eth0\niface lo inet loopback\niface eth0 inet dhcp\n"},
227 {"/var/etc/passwd", "root::0:0:My Linux Root:/root:/bin/sh\nftp:x:40:2:ftp:/tmp:/bin/sh\nsshd:x:41:2:sshd:/tmp:/bin/sh\nnobody:x:65534:65534:nobody:/tmp:/bin/sh\n"},
228 {"/var/etc/resolv.conf", "search cluster.meeting.humbug.org.au\nnameserver 192.168.254.254\n"},
229 {"/var/etc/securetty", "tty1\n"},
230 {"/var/etc/shells", "/bin/ash\n/bin/hush\n/bin/lash\n/bin/msh\n/bin/sh\n"},
231#ifdef CONFIG_FEATURE_FULL_LSB
232 {"/boot/grub/device.map", "(hd0)\t/dev/hda\n(hd1)\t/dev/hdb\n(hd2)\t/dev/hdc\n(hd3)\t/dev/hdd\n(fd0)\t/dev/fd0\n"},
233#endif
234 {NULL, NULL}
235};
236
237
238const static char *scripts[][2] =
239{
240 {"/sbin/shownet", "#!/bin/sh\necho \"\"\nifconfig\nroute\nip addr list\nip link list\nip route list\necho \"\"\n"},
241 {"/var/etc/profile", "#!/bin/sh\nPATH=/usr/bin:/usr/sbin:/bin:/sbin\nexport PATH\n"},
242#ifdef CONFIG_FEATURE_FULL_LSB
243#endif
244 {NULL, NULL}
245};
246
247
248const static char *links[][2] =
249{
250 {"/proc/kcore", "/dev/core"},
251 {"/dev/ram1", "/dev/ram"},
252 {"/dev/vcs0", "/dev/vcs"},
253 {"/dev/vcsa0", "/dev/vcsa"},
254 {"/var/home", "/home"},
255 {"/home/root", "/root"},
256 {"/bin/busybox", "/sbin/init"},
257 {"/bin/busybox", "/sbin/local_fs"},
258 {"/bin/busybox", "/sbin/network"},
259 {"/var/temp", "/tmp"},
260 {"/sbin/local_fs", "/usr/etc/init.d/local_fs" },
261 {"/sbin/boot_named", "/usr/etc/init.d/boot_named"},
262 {"/sbin/network", "/usr/etc/init.d/network"},
263 {"/sbin/boot_portmap", "/usr/etc/init.d/boot_portmap"},
264 {"/sbin/remote_fs", "/usr/etc/init.d/remote_fs" },
265 {"/sbin/boot_syslog", "/usr/etc/init.d/boot_syslog"},
266 {"/sbin/boot_time", "/usr/etc/init.d/boot_time"},
267 {"/usr/sbin/install_initd", "/usr/lib/lsb/install_initd" },
268 {"/usr/sbin/remove_initd", "/usr/lib/lsb/remove_initd" },
269 {"/usr/etc/init.d", "/var/etc/init.d"},
270 {"/usr/etc/protocols", "/var/etc/protocols"},
271 {"/usr/etc/rpc", "/var/etc/rpc"},
272 {"/usr/etc/services", "/var/etc/services"},
273 {"/var/lib/my_linux", "/var/etc/tux"},
274 {"/.mc", "/var/home/root/.mc"},
275 {"/tmp", "/var/lock"},
276 {"/tmp", "/var/run"},
277#ifdef CONFIG_FEATURE_FULL_LSB
278#endif
279 {NULL, NULL}
280};
281
282
283const static char *modules[] =
284{
285// "af_packet",
286// Should try all NICS instead.
287// "mii",
288// "ne2k-pci",
289// "nfs",
290 NULL
291};
292
293
294llist_t *floppies_list = NULL;
295llist_t *cdroms_list = NULL;
296llist_t *hard_disks_list = NULL;
297static void find_all_drives(void)
298{
299 int count;
300 struct dirent **dir;
301
302 if ((floppies_list == NULL) && (cdroms_list == NULL) && (hard_disks_list == NULL))
303 {
304// This is hard coded for now.
305floppies_list = llist_add_to(floppies_list, "fd0");
306 if ((count = scandir("/proc/ide", &dir, 0, alphasort)))
307 {
308 int n;
309
310 for (n = 0; n < count; n++)
311 {
312 struct dirent *script = dir[n];
313 struct stat script_stat;
314 char *info_text = NULL;
315
316 bb_xasprintf(&info_text, "/proc/ide/%s", script->d_name);
317 if (stat(info_text, &script_stat) == 0)
318 {
319 if (strncmp(info_text, "/proc/ide/hd", 12) == 0)
320 {
321 char *text = NULL;
322 char *name = NULL;
323
324 bb_xasprintf(&text, "%s", doit(REDIR, "cat %s/media", info_text));
325 bb_xasprintf(&name, "%s", script->d_name);
326 if (strcmp(text, "disk") == 0)
327 {
328// Should add partitions instead.
329 hard_disks_list = llist_add_to(hard_disks_list, name);
330 }
331 else
332 cdroms_list = llist_add_to(cdroms_list, name);
333 }
334 free(info_text);
335 }
336 free(dir[n]);
337 }
338 free(dir);
339 }
340 }
341}
342
343
344static int is_boot_device(char *device, char *image, char **type);
345static int find_boot_device_in_list(llist_t *disks, char *image, char **device, char **type)
346{
347 int result = 0;
348 char *original = *device;
349 llist_t *current = disks;
350
351 while (current)
352 {
353 char *disc = current->data;
354
355bb_printf("Checking %s for %s\n", disc, image);
356 bb_xasprintf(device, "/dev/%s", disc);
357 if (is_boot_device(*device, image, type))
358 {
359 result = 1;
360 free(*device);
361 bb_xasprintf(device, "/dev/%s", disc);
362 *device = concat_path_file(*device, image);
363 break;
364 }
365 current = current->link;
366 free(*device);
367 *device = original;
368 }
369 return result;
370}
371
372
373static int is_boot_device(char *device, char *image, char **type)
374{
375 int result = 0;
376
377 if (*type == NULL)
378 {
379// Should try to detect it.
380*type = "auto";
381 }
382 quick_mount(*type, device, "/boot", "-o ro");
383 if (errno == 0)
384 {
385 char *dest = concat_path_file("/boot", image);
386
387 if (stat(dest, &path_stat) == 0)
388 {
389 if (stat("/boot/bootrc", &path_stat) == 0)
390 result = 1;
391 }
392 if (result == 0)
393 doit(QUIET, "umount /boot");
394 free(dest);
395 }
396
397 return result;
398}
399
400
401static void pivot_dir(char *place, const char *root)
402{
403 char *dest = concat_path_file(root, place);
404
405 remove_file(place, FILEUTILS_FORCE | FILEUTILS_RECUR);
406 symlink(dest, place);
407 free(dest);
408}
409
410
411static int rebuild_fs(char *root)
412{
413 int result = 0;
414 char *check = concat_path_file(root, "var/lib/distro");
415
416 if (stat(check, &path_stat) == 0)
417 {
418 free(check);
419 bb_printf("Rebuilding root fs from %s.\n", root);
420 check = concat_path_file(root, "bootrc");
421 copy_file(check, "/bootrc", FILEUTILS_FORCE | FILEUTILS_PRESERVE_STATUS);
422 free(check);
423 pivot_dir("/boot", root);
424 pivot_dir("/etc", root);
425 remove_file("/var/etc", FILEUTILS_FORCE | FILEUTILS_RECUR);
426 pivot_dir("/opt", root);
427 pivot_dir("/sbin", root);
428 pivot_dir("/usr", root);
429// Should pivot dev and var if root is writable.
430 check = concat_path_file(root, "dev");
431 copy_file(check, "/dev", FILEUTILS_FORCE | FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS);
432 free(check);
433 check = concat_path_file(root, "var");
434 copy_file(check, "/var", FILEUTILS_FORCE | FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS);
435// doit(QUIET, "ln -sf %s/lib/* /lib", root);
436 pivot_dir("/lib", root);
437 doit(0, "/sbin/ldconfig");
438 pivot_dir("/bin", root);
439 result = 1;
440 }
441
442 free(check);
443 return result;
444}
445
446
447void set_boot_env(char *token);
448void read_bootrc(void)
449{
450 if (stat("/bootrc", &path_stat) == 0)
451 {
452 char *line;
453 FILE *contents;
454
455 contents = fopen("/bootrc", "r");
456 if (contents != NULL)
457 {
458 char *buffer = (char *) xmalloc(sizeof (char) * 256);
459
460 bb_printf("Parsing configuration.\n");
461 do
462 {
463 line = fgets(buffer, 255, contents);
464 if (line != NULL)
465 set_boot_env(buffer);
466 } while (line != NULL);
467 }
468 }
469}
470
471
472void set_boot_env(char *token)
473{
474 int i;
475 char *eq = NULL;
476 char *ha = NULL;
477
478//bb_printf("$$ %s\n", token);
479 for(i = 0; token[i] != '\0'; i++)
480 {
481 switch (token[i])
482 {
483 case '=' : if (eq == NULL) eq = &token[i]; break;
484 case '#' : if (ha == NULL) ha = &token[i]; break;
485 }
486 }
487
488 if ((eq != token) && (ha != token))
489 {
490 char *name = (char *) xmalloc(sizeof (char) * (i + 5));
491
492 if (eq != NULL)
493 *eq = '\0';
494 if (ha != NULL)
495 *ha = '\0';
496 sprintf(name, "%s", token);
497 trim(name);
498 if (name[0] != '\0')
499 {
500 if (eq != NULL)
501 {
502 setenv(name, &eq[1], 1);
503//bb_printf(" SET %s=%s\n", name, &eq[1]);
504 }
505 else
506 {
507 setenv(name, "", 1);
508//bb_printf(" SET %s=\n", name);
509 }
510 }
511 free(name);
512 if (eq != NULL)
513 *eq = '=';
514 if (ha != NULL)
515 *ha = '#';
516 }
517}
518
519
520int linuxrc_main(int argc, char **argv)
521{
522 int i;
523 int root_write = 0;
524 long MEMORY = 0;
525 char *CMDLINE = 0;
526 char *BOOT = 0;
527 char *ROOT = 0;
528 char *ROOT_TYPE = "auto";
529 char *BOOTFS = 0;
530 char *ROOT_MOUNT = "/media/ROOT";
531// char *PKGSRC = "network";
532 int TMPFS = 0;
533 int USR = 0;
534 int VAR = 0;
535 char *NFSADDR = 0;
536 char temp[32];
537 char *token;
538 char *strtok_temp;
539 struct sysinfo info;
540 struct utsname name;
541
542 mkrootfs(directories, nodes, files, scripts, links);
543
544 for (i = 0; modules[i] != 0; i++)
545 {
546//bb_printf("\n\n modprobe %s\n\n\n", modules[i]);
547 doit(0, "modprobe %s", modules[i]);
548 }
549// quick_mount("usbfs", "usbfs", "/proc/bus/usb", "");
550
551
552 doit(0, "dmesg >/var/log/dmesg.txt");
553
554 sysinfo(&info);
555 /* Kernels prior to 2.4.x will return info.mem_unit==0, so cope... */
556 if (info.mem_unit==0) {
557 info.mem_unit=1;
558 }
559 if ( info.mem_unit == 1 ) {
560 info.mem_unit=1024;
561
562 /* TODO: Make all this stuff not overflow when mem >= 4 Gib */
563 info.totalram/=info.mem_unit;
564 } else {
565 info.mem_unit/=1024;
566 /* TODO: Make all this stuff not overflow when mem >= 4 Gib */
567 info.totalram*=info.mem_unit;
568 }
569 MEMORY = info.totalram;
570 USR = MEMORY / 2.5;
571 VAR = MEMORY / 16;
572
573 if (uname(&name) == -1)
574 bb_perror_msg_and_die("cannot get system information");
575 if (atof(name.release) > 2.4)
576 TMPFS = 1;
577
578 make_ram_disk(VAR, 2, "/var", TMPFS);
579
580 bb_xasprintf(&CMDLINE, "%s", doit(REDIR, "cat /proc/cmdline"));
581//bb_printf("%s\n", CMDLINE);
582 for (token = strtok_r(CMDLINE, " \t\n\r", &strtok_temp); token != NULL; token = strtok_r(NULL, " \t\n\r", &strtok_temp))
583 {
584 if (strcmp(token, "RW") == 0)
585 {
586 root_write = 1;
587 sprintf(temp, "ROOT_MODE=RW");
588 set_boot_env(temp);
589 }
590 else if (strcmp(token, "RO") == 0)
591 {
592 root_write = 0;
593 sprintf(temp, "ROOT_MODE=RO");
594 set_boot_env(temp);
595 }
596 }
597
598 BOOT = getenv("BOOT_IMAGE");
599 if (BOOT != NULL)
600 {
601#define CDROM 1
602#define FLOPPY 2
603#define HD 3
604#define NETWORK 4
605 int type = 0;
606 int disk = -1;
607 int part = -1;
608 char *image = BOOT;
609 char device[16];
610
611/*
612 * BOOT_IMAGE=(hd0,4)/boot/bzImage
613 * BOOT_IMAGE=(hd3)/boot/bzImage
614 * BOOT_IMAGE=(hdx,y)/boot/bzImage
615 * translate to /dev/hd(x+1)(y+1)
616 * BOOT_IMAGE=(cd)/boot/bzImage
617 * scan cd drives
618 * BOOT_IMAGE=/boot/bzImage
619 * try to avoid this, but scan all disks
620 * BOOT_IMAGE=bzImage
621 * probably syslinux, assume floppy boot (see next)
622 * BOOT_IMAGE=(fd0)/bzImage
623 * try to find bootrc on first floppy
624 * BOOT_IMAGE=(nd)/tftpboot/vmlinux
625 * try to tftp bootrc from network
626 */
627 if ((BOOT[0] == '(') && (BOOT[2] == 'd') ) /* This is a grub boot, based on my BOOT_IMAGE patch for grub1. */
628 {
629 while (image[0] != '\0')
630 {
631 if (image[0] == ')')
632 {
633 image++;
634 break;
635 }
636 image++;
637 }
638 switch (BOOT[1])
639 {
640 case 'c' : type = CDROM; break;
641 case 'f' : type = FLOPPY; break;
642 case 'h' : type = HD; break;
643 case 'n' : type = NETWORK; break;
644 }
645 if (BOOT[3] != ')')
646 {
647 disk = atoi(&BOOT[3]) + 1;
648 if (BOOT[4] == ',')
649 part = atoi(&BOOT[5]) + 1;
650 }
651 }
652
653 device[0] = '\0';
654 switch (type)
655 {
656 case FLOPPY :
657 sprintf(device, "/dev/fd%d", disk - 1);
658 break;
659
660 case HD :
661 sprintf(device, "/dev/hd%c%d", 'a' + disk, part);
662 break;
663
664 case NETWORK :
665 sprintf(device, "tftp:/");
666 break;
667 }
668
669 if (device[0] == '\0')
670 {
671 find_all_drives();
672 if (type == CDROM)
673 {
674 BOOTFS="iso9660";
675 bb_printf("Scanning all CD and DVD drives for %s.\n", image);
676 if (find_boot_device_in_list(cdroms_list, image, &BOOT, &BOOTFS) == 0)
677 BOOTFS=NULL;
678 }
679 else
680 {
681 BOOTFS="vfat";
682 bb_printf("Scanning all drives for %s.\n", image);
683 if (find_boot_device_in_list(floppies_list, image, &BOOT, &BOOTFS) == 0)
684 {
685 BOOTFS="iso9660";
686 if (find_boot_device_in_list(cdroms_list, image, &BOOT, &BOOTFS) == 0)
687 {
688 BOOTFS=NULL;
689 if (find_boot_device_in_list(hard_disks_list, image, &BOOT, &BOOTFS) == 0)
690 BOOTFS=NULL;
691 }
692 }
693 }
694 }
695 else
696 {
697 if (type == NETWORK)
698 {
699 bb_xasprintf(&BOOT, "%s%s", device, image);
700 BOOTFS="Network";
701 bb_printf("Kicking network into life.\n");
702 doit(0, "rc network start");
703 if (stat("/var/lib/network/tftpaddr", &path_stat) == 0)
704 {
705 bb_printf("\nDownloading configuration from network.\n");
706 doit(QUIET, "tftp -gr /tftpboot/bootrc -l /bootrc %s", quick_read("/var/lib/network/tftpaddr"));
707 }
708 else if (stat("/var/lib/network/nfsaddr", &path_stat) == 0)
709 {
710 bb_printf("\nDownloading configuration from network.\n");
711 doit(QUIET, "tftp -gr /tftpboot/bootrc -l /bootrc %s", quick_read("/var/lib/network/nfsaddr"));
712 }
713 }
714 else
715 {
716 bb_xasprintf(&BOOT, "%s%s", device, image);
717 if (is_boot_device(device, image, &BOOTFS))
718 BOOT=device;
719 }
720 }
721
722 if (BOOTFS == NULL)
723 BOOTFS = "Unknown";
724
725 if (stat("/boot/bootrc", &path_stat) == 0)
726 {
727 bb_printf("Copying configuration from boot filesystem.\n");
728 copy_file("/boot/bootrc", "/bootrc", FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS);
729 doit(QUIET, "umount /boot");
730 }
731 }
732 else
733 {
734 BOOT = "";
735 BOOTFS = "";
736 }
737
738 read_bootrc();
739
740 ROOT = getenv("ROOT");
741 if (ROOT == 0)
742 {
743 if (strncmp(BOOT, "/dev/", 5) == 0)
744 {
745 bb_xasprintf(&ROOT, "%s", BOOT);
746 for (i = 5; ROOT[i] != '\0'; i++)
747 {
748 if (ROOT[i] == '/')
749 {
750 ROOT[i] = '\0';
751 ROOT_TYPE = BOOTFS;
752 break;
753 }
754 }
755 }
756 }
757
758/*
759#VERSION=`cat /boot/version 2> /dev/null`
760#PS1="My Linux $VERSION> "
761*/
762
763 bb_printf("================================\n");
764 bb_printf("Kernel: %s %s\n", name.release, TMPFS ? "- tmpfs capable" : "");
765 bb_printf("RAM: %li MB %s\n", MEMORY / 1024, (MEMORY < (16 * 1024)) ? "< 16 MB, you may run into problems" : "" );
766 bb_printf("Boot: %s - %s\n", BOOT, BOOTFS);
767 bb_printf("Root: %s - %s\n", ROOT, root_write ? "read/write" : "read only");
768 bb_printf("================================\n");
769
770/*
771ROOT=/dev/hda6
772ROOT=nfs://REAL/MDS/TEST
773*/
774 if (ROOT == 0)
775 {
776 ;
777 }
778 else
779 {
780 if (strncmp(ROOT, "/dev/", 5) == 0)
781 {
782// PKGSRC=BOOT;
783// Should fsck this partition first.
784 bb_printf("Mounting %s \n on %s as type %s\n", ROOT, ROOT_MOUNT, ROOT_TYPE);
785 make_disk(&ROOT[5], nodes);
786 quick_mount(ROOT_TYPE, ROOT, ROOT_MOUNT, root_write ? "-o rw" : "-o ro");
787 }
788 else if (strncmp(ROOT, "nfs://", 5) == 0)
789 {
790 doit(0, "rc network start");
791 if (stat("/var/lib/network/ipaddr", &path_stat) == 0)
792 NFSADDR = quick_read("/var/lib/network/nfsaddr");
793 if ((NFSADDR != 0) && (NFSADDR[0] != '\0'))
794 {
795 char *NFSMOUNT = 0;
796
797 ROOT_TYPE = "nfs";
798 if (NFSMOUNT == 0)
799 bb_xasprintf(&NFSMOUNT, "%s:%s", NFSADDR, &ROOT[5]);
800 bb_printf("Mounting %s \n on %s as type %s\n", NFSMOUNT, ROOT_MOUNT, ROOT_TYPE);
801 quick_mount(ROOT_TYPE, NFSMOUNT, ROOT_MOUNT, root_write ? "-o nolock,rw" : "-o nolock,ro");
802
803 free(NFSMOUNT);
804 }
805 free(NFSADDR);
806 }
807 }
808
809if (root_write)
810 copy_file("/bin/busybox", "/media/ROOT/bin/busybox", FILEUTILS_FORCE | FILEUTILS_PRESERVE_STATUS);
811
812 if (!rebuild_fs(ROOT_MOUNT))
813 {
814// make_ram_disk(USR, 3, "/usr", TMPFS);
815// doit(0, "getpkg");
816 }
817 else
818 {
819 read_bootrc();
820 }
821
822 doit(0, "/sbin/ldconfig");
823
824 free(CMDLINE);
825
826 execl("/sbin/init", "/sbin/init");
827 return EXIT_FAILURE;
828}
829
generated by cgit v1.1 at 2024-05-20 11:51:49 +0000