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-rw-r--r--sumtool.c872
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diff --git a/sumtool.c b/sumtool.c
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@@ -1,872 +0,0 @@
-/*
- * sumtool.c
- *
- * Copyright (C) 2004 Zoltan Sogor <weth@inf.u-szeged.hu>,
- * Ferenc Havasi <havasi@inf.u-szeged.hu>
- * University of Szeged, Hungary
- * 2006 KaiGai Kohei <kaigai@ak.jp.nec.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Overview:
- * This is a utility insert summary information into JFFS2 image for
- * faster mount time
- *
- */
-
-#define PROGRAM_NAME "sumtool"
-
-#include <errno.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <time.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/param.h>
-#include <asm/types.h>
-#include <dirent.h>
-#include <mtd/jffs2-user.h>
-#include <endian.h>
-#include <byteswap.h>
-#include <getopt.h>
-#include <crc32.h>
-#include "summary.h"
-#include "common.h"
-
-#define PAD(x) (((x)+3)&~3)
-
-static struct jffs2_summary *sum_collected = NULL;
-
-static int verbose = 0;
-static int padto = 0; /* pad the output with 0xFF to the end of the final eraseblock */
-static int add_cleanmarkers = 1; /* add cleanmarker to output */
-static int use_input_cleanmarker_size = 1; /* use input file's cleanmarker size (default) */
-static int found_cleanmarkers = 0; /* cleanmarker found in input file */
-static struct jffs2_unknown_node cleanmarker;
-static int cleanmarker_size = sizeof(cleanmarker);
-static const char *short_options = "o:i:e:hvVblnc:p";
-static int erase_block_size = 65536;
-static int out_fd = -1;
-static int in_fd = -1;
-
-static uint8_t *data_buffer = NULL; /* buffer for inodes */
-static unsigned int data_ofs = 0; /* inode buffer offset */
-
-static uint8_t *file_buffer = NULL; /* file buffer contains the actual erase block*/
-static unsigned int file_ofs = 0; /* position in the buffer */
-
-int target_endian = __BYTE_ORDER;
-
-static struct option long_options[] = {
- {"output", 1, NULL, 'o'},
- {"input", 1, NULL, 'i'},
- {"eraseblock", 1, NULL, 'e'},
- {"help", 0, NULL, 'h'},
- {"verbose", 0, NULL, 'v'},
- {"version", 0, NULL, 'V'},
- {"bigendian", 0, NULL, 'b'},
- {"littleendian", 0, NULL, 'l'},
- {"no-cleanmarkers", 0, NULL, 'n'},
- {"cleanmarker", 1, NULL, 'c'},
- {"pad", 0, NULL, 'p'},
- {NULL, 0, NULL, 0}
-};
-
-static const char helptext[] =
-"Usage: sumtool [OPTIONS] -i inputfile -o outputfile\n\n"
-"Convert the input JFFS2 image to a summarized JFFS2 image\n"
-"Summary makes mounting faster - if summary support enabled in your kernel\n\n"
-"Options:\n"
-" -e, --eraseblock=SIZE Use erase block size SIZE (default: 64KiB)\n"
-" (usually 16KiB on NAND)\n"
-" -c, --cleanmarker=SIZE Size of cleanmarker (default 12).\n"
-" (usually 16 bytes on NAND, and will be set to\n"
-" this value if left at the default 12). Will be\n"
-" stored in OOB after each physical page composing\n"
-" a physical eraseblock.\n"
-" -n, --no-cleanmarkers Don't add a cleanmarker to every eraseblock\n"
-" -o, --output=FILE Output to FILE \n"
-" -i, --input=FILE Input from FILE \n"
-" -b, --bigendian Image is big endian\n"
-" -l --littleendian Image is little endian\n"
-" -h, --help Display this help text\n"
-" -v, --verbose Verbose operation\n"
-" -V, --version Display version information\n"
-" -p, --pad Pad the OUTPUT with 0xFF to the end of the final\n"
-" eraseblock\n\n";
-
-
-static const char revtext[] = "$Revision: 1.9 $";
-
-static unsigned char ffbuf[16] = {
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
-};
-
-static void full_write(void *target_buff, const void *buf, int len);
-
-void setup_cleanmarker(void)
-{
- cleanmarker.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
- cleanmarker.nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER);
- cleanmarker.totlen = cpu_to_je32(cleanmarker_size);
- cleanmarker.hdr_crc = cpu_to_je32(mtd_crc32(0, &cleanmarker, sizeof(struct jffs2_unknown_node)-4));
-}
-
-void process_options (int argc, char **argv)
-{
- int opt,c;
-
- while ((opt = getopt_long(argc, argv, short_options, long_options, &c)) >= 0) {
- switch (opt) {
- case 'o':
- if (out_fd != -1)
- errmsg_die("output filename specified more than once");
- out_fd = open(optarg, O_CREAT | O_TRUNC | O_RDWR, 0644);
- if (out_fd == -1)
- sys_errmsg_die("open output file");
- break;
-
- case 'i':
- if (in_fd != -1)
- errmsg_die("input filename specified more than once");
- in_fd = open(optarg, O_RDONLY);
- if (in_fd == -1)
- sys_errmsg_die("open input file");
- break;
- case 'b':
- target_endian = __BIG_ENDIAN;
- break;
- case 'l':
- target_endian = __LITTLE_ENDIAN;
- break;
- case 'h':
- case '?':
- errmsg_die("%s", helptext);
- case 'v':
- verbose = 1;
- break;
-
- case 'V':
- errmsg_die("revision %.*s\n",
- (int) strlen(revtext) - 13, revtext + 11);
-
- case 'e': {
- char *next;
- unsigned units = 0;
- erase_block_size = strtol(optarg, &next, 0);
- if (!erase_block_size)
- errmsg_die("Unrecognisable erase size\n");
-
- if (*next) {
- if (!strcmp(next, "KiB")) {
- units = 1024;
- } else if (!strcmp(next, "MiB")) {
- units = 1024 * 1024;
- } else {
- errmsg_die("Unknown units in erasesize\n");
- }
- } else {
- if (erase_block_size < 0x1000)
- units = 1024;
- else
- units = 1;
- }
- erase_block_size *= units;
-
- /* If it's less than 8KiB, they're not allowed */
- if (erase_block_size < 0x2000) {
- warnmsg("Erase size 0x%x too small. Increasing to 8KiB minimum\n",
- erase_block_size);
- erase_block_size = 0x2000;
- }
- break;
- }
-
- case 'n':
- add_cleanmarkers = 0;
- break;
- case 'c':
- cleanmarker_size = strtol(optarg, NULL, 0);
-
- if (cleanmarker_size < sizeof(cleanmarker)) {
- errmsg_die("cleanmarker size must be >= 12");
- }
- if (cleanmarker_size >= erase_block_size) {
- errmsg_die("cleanmarker size must be < eraseblock size");
- }
-
- use_input_cleanmarker_size = 0;
- found_cleanmarkers = 1;
- setup_cleanmarker();
-
- break;
- case 'p':
- padto = 1;
- break;
- }
- }
-}
-
-
-void init_buffers(void)
-{
- data_buffer = xmalloc(erase_block_size);
- file_buffer = xmalloc(erase_block_size);
-}
-
-void init_sumlist(void)
-{
- sum_collected = xzalloc(sizeof(*sum_collected));
-}
-
-void clean_buffers(void)
-{
- free(data_buffer);
- free(file_buffer);
-}
-
-void clean_sumlist(void)
-{
- union jffs2_sum_mem *temp;
-
- if (sum_collected) {
-
- while (sum_collected->sum_list_head) {
- temp = sum_collected->sum_list_head;
- sum_collected->sum_list_head = sum_collected->sum_list_head->u.next;
- free(temp);
- sum_collected->sum_num--;
- }
-
- if (sum_collected->sum_num != 0)
- warnmsg("Ooops, something wrong happened! sum_num != 0, but sum_list = null ???");
-
- free(sum_collected);
- }
-}
-
-int load_next_block(void)
-{
- int ret;
- ret = read(in_fd, file_buffer, erase_block_size);
- file_ofs = 0;
-
- bareverbose(verbose, "Load next block : %d bytes read\n", ret);
-
- return ret;
-}
-
-void write_buff_to_file(void)
-{
- int ret;
- int len = data_ofs;
-
- uint8_t *buf = NULL;
-
- buf = data_buffer;
- while (len > 0) {
- ret = write(out_fd, buf, len);
-
- if (ret < 0)
- sys_errmsg_die("write");
-
- if (ret == 0)
- sys_errmsg_die("write returned zero");
-
- len -= ret;
- buf += ret;
- }
-
- data_ofs = 0;
-}
-
-void dump_sum_records(void)
-{
-
- struct jffs2_raw_summary isum;
- struct jffs2_sum_marker *sm;
- union jffs2_sum_mem *temp;
- jint32_t offset;
- jint32_t *tpage;
- void *wpage;
- int datasize, infosize, padsize;
- jint32_t magic = cpu_to_je32(JFFS2_SUM_MAGIC);
-
- if (!sum_collected->sum_num || !sum_collected->sum_list_head)
- return;
-
- datasize = sum_collected->sum_size + sizeof(struct jffs2_sum_marker);
- infosize = sizeof(struct jffs2_raw_summary) + datasize;
- padsize = erase_block_size - data_ofs - infosize;
- infosize += padsize; datasize += padsize;
- offset = cpu_to_je32(data_ofs);
-
- tpage = xmalloc(datasize);
-
- memset(tpage, 0xff, datasize);
- memset(&isum, 0, sizeof(isum));
-
- isum.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
- isum.nodetype = cpu_to_je16(JFFS2_NODETYPE_SUMMARY);
- isum.totlen = cpu_to_je32(infosize);
- isum.hdr_crc = cpu_to_je32(mtd_crc32(0, &isum, sizeof(struct jffs2_unknown_node) - 4));
- isum.padded = cpu_to_je32(0);
-
- if (add_cleanmarkers && found_cleanmarkers) {
- isum.cln_mkr = cpu_to_je32(cleanmarker_size);
- } else {
- isum.cln_mkr = cpu_to_je32(0);
- }
-
- isum.sum_num = cpu_to_je32(sum_collected->sum_num);
- wpage = tpage;
-
- while (sum_collected->sum_num) {
- switch(je16_to_cpu(sum_collected->sum_list_head->u.nodetype)) {
-
- case JFFS2_NODETYPE_INODE : {
- struct jffs2_sum_inode_flash *sino_ptr = wpage;
-
- sino_ptr->nodetype = sum_collected->sum_list_head->i.nodetype;
- sino_ptr->inode = sum_collected->sum_list_head->i.inode;
- sino_ptr->version = sum_collected->sum_list_head->i.version;
- sino_ptr->offset = sum_collected->sum_list_head->i.offset;
- sino_ptr->totlen = sum_collected->sum_list_head->i.totlen;
-
- wpage += JFFS2_SUMMARY_INODE_SIZE;
- break;
- }
-
- case JFFS2_NODETYPE_DIRENT : {
- struct jffs2_sum_dirent_flash *sdrnt_ptr = wpage;
-
- sdrnt_ptr->nodetype = sum_collected->sum_list_head->d.nodetype;
- sdrnt_ptr->totlen = sum_collected->sum_list_head->d.totlen;
- sdrnt_ptr->offset = sum_collected->sum_list_head->d.offset;
- sdrnt_ptr->pino = sum_collected->sum_list_head->d.pino;
- sdrnt_ptr->version = sum_collected->sum_list_head->d.version;
- sdrnt_ptr->ino = sum_collected->sum_list_head->d.ino;
- sdrnt_ptr->nsize = sum_collected->sum_list_head->d.nsize;
- sdrnt_ptr->type = sum_collected->sum_list_head->d.type;
-
- memcpy(sdrnt_ptr->name, sum_collected->sum_list_head->d.name,
- sum_collected->sum_list_head->d.nsize);
-
- wpage += JFFS2_SUMMARY_DIRENT_SIZE(sum_collected->sum_list_head->d.nsize);
- break;
- }
-
- case JFFS2_NODETYPE_XATTR: {
- struct jffs2_sum_xattr_flash *sxattr_ptr = wpage;
-
- sxattr_ptr->nodetype = sum_collected->sum_list_head->x.nodetype;
- sxattr_ptr->xid = sum_collected->sum_list_head->x.xid;
- sxattr_ptr->version = sum_collected->sum_list_head->x.version;
- sxattr_ptr->offset = sum_collected->sum_list_head->x.offset;
- sxattr_ptr->totlen = sum_collected->sum_list_head->x.totlen;
-
- wpage += JFFS2_SUMMARY_XATTR_SIZE;
- break;
- }
-
- case JFFS2_NODETYPE_XREF: {
- struct jffs2_sum_xref_flash *sxref_ptr = wpage;
-
- sxref_ptr->nodetype = sum_collected->sum_list_head->r.nodetype;
- sxref_ptr->offset = sum_collected->sum_list_head->r.offset;
-
- wpage += JFFS2_SUMMARY_XREF_SIZE;
- break;
- }
-
- default : {
- warnmsg("Unknown node type!\n");
- }
- }
-
- temp = sum_collected->sum_list_head;
- sum_collected->sum_list_head = sum_collected->sum_list_head->u.next;
- free(temp);
-
- sum_collected->sum_num--;
- }
-
- sum_collected->sum_size = 0;
- sum_collected->sum_num = 0;
- sum_collected->sum_list_tail = NULL;
-
- wpage += padsize;
-
- sm = wpage;
- sm->offset = offset;
- sm->magic = magic;
-
- isum.sum_crc = cpu_to_je32(mtd_crc32(0, tpage, datasize));
- isum.node_crc = cpu_to_je32(mtd_crc32(0, &isum, sizeof(isum) - 8));
-
- full_write(data_buffer + data_ofs, &isum, sizeof(isum));
- full_write(data_buffer + data_ofs, tpage, datasize);
-
- free(tpage);
-}
-
-static void full_write(void *target_buff, const void *buf, int len)
-{
- memcpy(target_buff, buf, len);
- data_ofs += len;
-}
-
-static void pad(int req)
-{
- while (req) {
- if (req > sizeof(ffbuf)) {
- full_write(data_buffer + data_ofs, ffbuf, sizeof(ffbuf));
- req -= sizeof(ffbuf);
- } else {
- full_write(data_buffer + data_ofs, ffbuf, req);
- req = 0;
- }
- }
-}
-
-static inline void padword(void)
-{
- if (data_ofs % 4)
- full_write(data_buffer + data_ofs, ffbuf, 4 - (data_ofs % 4));
-}
-
-
-static inline void pad_block_if_less_than(int req,int plus)
-{
-
- int datasize = req + plus + sum_collected->sum_size + sizeof(struct jffs2_raw_summary) + 8;
- datasize += (4 - (datasize % 4)) % 4;
-
- if (data_ofs + req > erase_block_size - datasize) {
- dump_sum_records();
- write_buff_to_file();
- }
-
- if (add_cleanmarkers && found_cleanmarkers) {
- if (!data_ofs) {
- full_write(data_buffer, &cleanmarker, sizeof(cleanmarker));
- pad(cleanmarker_size - sizeof(cleanmarker));
- padword();
- }
- }
-}
-
-void flush_buffers(void)
-{
-
- if ((add_cleanmarkers == 1) && (found_cleanmarkers == 1)) { /* CLEANMARKER */
- if (data_ofs != cleanmarker_size) { /* INODE BUFFER */
-
- int datasize = sum_collected->sum_size + sizeof(struct jffs2_raw_summary) + 8;
- datasize += (4 - (datasize % 4)) % 4;
-
- /* If we have a full inode buffer, then write out inode and summary data */
- if (data_ofs + sizeof(struct jffs2_raw_inode) + 2*JFFS2_MIN_DATA_LEN > erase_block_size - datasize) {
- dump_sum_records();
- write_buff_to_file();
- } else { /* else just write out inode data */
- if (padto)
- pad(erase_block_size - data_ofs);
- write_buff_to_file();
- }
- }
- } else { /* NO CLEANMARKER */
- if (data_ofs != 0) { /* INODE BUFFER */
-
- int datasize = sum_collected->sum_size + sizeof(struct jffs2_raw_summary) + 8;
- datasize += (4 - (datasize % 4)) % 4;
-
- /* If we have a full inode buffer, then write out inode and summary data */
- if (data_ofs + sizeof(struct jffs2_raw_inode) + 2*JFFS2_MIN_DATA_LEN > erase_block_size - datasize) {
- dump_sum_records();
- write_buff_to_file();
- } else { /* Else just write out inode data */
- if(padto)
- pad(erase_block_size - data_ofs);
- write_buff_to_file();
- }
- }
- }
-}
-
-int add_sum_mem(union jffs2_sum_mem *item)
-{
-
- if (!sum_collected->sum_list_head)
- sum_collected->sum_list_head = (union jffs2_sum_mem *) item;
- if (sum_collected->sum_list_tail)
- sum_collected->sum_list_tail->u.next = (union jffs2_sum_mem *) item;
- sum_collected->sum_list_tail = (union jffs2_sum_mem *) item;
-
- switch (je16_to_cpu(item->u.nodetype)) {
- case JFFS2_NODETYPE_INODE:
- sum_collected->sum_size += JFFS2_SUMMARY_INODE_SIZE;
- sum_collected->sum_num++;
- break;
-
- case JFFS2_NODETYPE_DIRENT:
- sum_collected->sum_size += JFFS2_SUMMARY_DIRENT_SIZE(item->d.nsize);
- sum_collected->sum_num++;
- break;
-
- case JFFS2_NODETYPE_XATTR:
- sum_collected->sum_size += JFFS2_SUMMARY_XATTR_SIZE;
- sum_collected->sum_num++;
- break;
-
- case JFFS2_NODETYPE_XREF:
- sum_collected->sum_size += JFFS2_SUMMARY_XREF_SIZE;
- sum_collected->sum_num++;
- break;
-
- default:
- errmsg_die("__jffs2_add_sum_mem(): UNKNOWN node type %d\n", je16_to_cpu(item->u.nodetype));
- }
- return 0;
-}
-
-void add_sum_inode_mem(union jffs2_node_union *node)
-{
- struct jffs2_sum_inode_mem *temp = xmalloc(sizeof(*temp));
-
- temp->nodetype = node->i.nodetype;
- temp->inode = node->i.ino;
- temp->version = node->i.version;
- temp->offset = cpu_to_je32(data_ofs);
- temp->totlen = node->i.totlen;
- temp->next = NULL;
-
- add_sum_mem((union jffs2_sum_mem *) temp);
-}
-
-void add_sum_dirent_mem(union jffs2_node_union *node)
-{
- struct jffs2_sum_dirent_mem *temp = xmalloc(sizeof(*temp) + node->d.nsize);
-
- temp->nodetype = node->d.nodetype;
- temp->totlen = node->d.totlen;
- temp->offset = cpu_to_je32(data_ofs);
- temp->pino = node->d.pino;
- temp->version = node->d.version;
- temp->ino = node->d.ino;
- temp->nsize = node->d.nsize;
- temp->type = node->d.type;
- temp->next = NULL;
-
- memcpy(temp->name,node->d.name,node->d.nsize);
- add_sum_mem((union jffs2_sum_mem *) temp);
-}
-
-void add_sum_xattr_mem(union jffs2_node_union *node)
-{
- struct jffs2_sum_xattr_mem *temp = xmalloc(sizeof(*temp));
-
- temp->nodetype = node->x.nodetype;
- temp->xid = node->x.xid;
- temp->version = node->x.version;
- temp->offset = cpu_to_je32(data_ofs);
- temp->totlen = node->x.totlen;
- temp->next = NULL;
-
- add_sum_mem((union jffs2_sum_mem *) temp);
-}
-
-void add_sum_xref_mem(union jffs2_node_union *node)
-{
- struct jffs2_sum_xref_mem *temp = xmalloc(sizeof(*temp));
-
- temp->nodetype = node->r.nodetype;
- temp->offset = cpu_to_je32(data_ofs);
- temp->next = NULL;
-
- add_sum_mem((union jffs2_sum_mem *) temp);
-}
-
-void write_dirent_to_buff(union jffs2_node_union *node)
-{
- pad_block_if_less_than(je32_to_cpu (node->d.totlen),JFFS2_SUMMARY_DIRENT_SIZE(node->d.nsize));
- add_sum_dirent_mem(node);
- full_write(data_buffer + data_ofs, &(node->d), je32_to_cpu (node->d.totlen));
- padword();
-}
-
-
-void write_inode_to_buff(union jffs2_node_union *node)
-{
- pad_block_if_less_than(je32_to_cpu (node->i.totlen),JFFS2_SUMMARY_INODE_SIZE);
- add_sum_inode_mem(node); /* Add inode summary mem to summary list */
- full_write(data_buffer + data_ofs, &(node->i), je32_to_cpu (node->i.totlen)); /* Write out the inode to inode_buffer */
- padword();
-}
-
-void write_xattr_to_buff(union jffs2_node_union *node)
-{
- pad_block_if_less_than(je32_to_cpu(node->x.totlen), JFFS2_SUMMARY_XATTR_SIZE);
- add_sum_xattr_mem(node); /* Add xdatum summary mem to summary list */
- full_write(data_buffer + data_ofs, &(node->x), je32_to_cpu(node->x.totlen));
- padword();
-}
-
-void write_xref_to_buff(union jffs2_node_union *node)
-{
- pad_block_if_less_than(je32_to_cpu(node->r.totlen), JFFS2_SUMMARY_XREF_SIZE);
- add_sum_xref_mem(node); /* Add xref summary mem to summary list */
- full_write(data_buffer + data_ofs, &(node->r), je32_to_cpu(node->r.totlen));
- padword();
-}
-
-void create_summed_image(int inp_size)
-{
- uint8_t *p = file_buffer;
- union jffs2_node_union *node;
- uint32_t crc, length;
- uint16_t type;
- int bitchbitmask = 0;
- int obsolete;
- char name[256];
-
- while ( p < (file_buffer + inp_size)) {
-
- node = (union jffs2_node_union *) p;
-
- /* Skip empty space */
- if (je16_to_cpu (node->u.magic) == 0xFFFF && je16_to_cpu (node->u.nodetype) == 0xFFFF) {
- p += 4;
- continue;
- }
-
- if (je16_to_cpu (node->u.magic) != JFFS2_MAGIC_BITMASK) {
- if (!bitchbitmask++)
- warnmsg("Wrong bitmask at 0x%08zx, 0x%04x\n",
- p - file_buffer, je16_to_cpu (node->u.magic));
- p += 4;
- continue;
- }
-
- bitchbitmask = 0;
-
- type = je16_to_cpu(node->u.nodetype);
- if ((type & JFFS2_NODE_ACCURATE) != JFFS2_NODE_ACCURATE) {
- obsolete = 1;
- type |= JFFS2_NODE_ACCURATE;
- } else {
- obsolete = 0;
- }
-
- node->u.nodetype = cpu_to_je16(type);
-
- crc = mtd_crc32 (0, node, sizeof (struct jffs2_unknown_node) - 4);
- if (crc != je32_to_cpu (node->u.hdr_crc)) {
- warnmsg("Wrong hdr_crc at 0x%08zx, 0x%08x instead of 0x%08x\n",
- p - file_buffer, je32_to_cpu (node->u.hdr_crc), crc);
- p += 4;
- continue;
- }
-
- switch(je16_to_cpu(node->u.nodetype)) {
- case JFFS2_NODETYPE_INODE:
- bareverbose(verbose,
- "%8s Inode node at 0x%08zx, totlen 0x%08x, #ino %5d, version %5d, isize %8d, csize %8d, dsize %8d, offset %8d\n",
- obsolete ? "Obsolete" : "",
- p - file_buffer, je32_to_cpu (node->i.totlen), je32_to_cpu (node->i.ino),
- je32_to_cpu (node->i.version), je32_to_cpu (node->i.isize),
- je32_to_cpu (node->i.csize), je32_to_cpu (node->i.dsize), je32_to_cpu (node->i.offset));
-
- crc = mtd_crc32 (0, node, sizeof (struct jffs2_raw_inode) - 8);
- if (crc != je32_to_cpu (node->i.node_crc)) {
- warnmsg("Wrong node_crc at 0x%08zx, 0x%08x instead of 0x%08x\n",
- p - file_buffer, je32_to_cpu (node->i.node_crc), crc);
- p += PAD(je32_to_cpu (node->i.totlen));
- continue;
- }
-
- crc = mtd_crc32(0, p + sizeof (struct jffs2_raw_inode), je32_to_cpu(node->i.csize));
- if (crc != je32_to_cpu(node->i.data_crc)) {
- warnmsg("Wrong data_crc at 0x%08zx, 0x%08x instead of 0x%08x\n",
- p - file_buffer, je32_to_cpu (node->i.data_crc), crc);
- p += PAD(je32_to_cpu (node->i.totlen));
- continue;
- }
-
- write_inode_to_buff(node);
-
- p += PAD(je32_to_cpu (node->i.totlen));
- break;
-
- case JFFS2_NODETYPE_DIRENT:
- memcpy (name, node->d.name, node->d.nsize);
- name [node->d.nsize] = 0x0;
-
- bareverbose(verbose,
- "%8s Dirent node at 0x%08zx, totlen 0x%08x, #pino %5d, version %5d, #ino %8d, nsize %8d, name %s\n",
- obsolete ? "Obsolete" : "",
- p - file_buffer, je32_to_cpu (node->d.totlen), je32_to_cpu (node->d.pino),
- je32_to_cpu (node->d.version), je32_to_cpu (node->d.ino),
- node->d.nsize, name);
-
- crc = mtd_crc32 (0, node, sizeof (struct jffs2_raw_dirent) - 8);
- if (crc != je32_to_cpu (node->d.node_crc)) {
- warnmsg("Wrong node_crc at 0x%08zx, 0x%08x instead of 0x%08x\n",
- p - file_buffer, je32_to_cpu (node->d.node_crc), crc);
- p += PAD(je32_to_cpu (node->d.totlen));
- continue;
- }
-
- crc = mtd_crc32(0, p + sizeof (struct jffs2_raw_dirent), node->d.nsize);
- if (crc != je32_to_cpu(node->d.name_crc)) {
- warnmsg("Wrong name_crc at 0x%08zx, 0x%08x instead of 0x%08x\n",
- p - file_buffer, je32_to_cpu (node->d.name_crc), crc);
- p += PAD(je32_to_cpu (node->d.totlen));
- continue;
- }
-
- write_dirent_to_buff(node);
-
- p += PAD(je32_to_cpu (node->d.totlen));
- break;
-
- case JFFS2_NODETYPE_XATTR:
- if (je32_to_cpu(node->x.node_crc) == 0xffffffff)
- obsolete = 1;
- bareverbose(verbose,
- "%8s Xdatum node at 0x%08zx, totlen 0x%08x, #xid %5u, version %5u\n",
- obsolete ? "Obsolete" : "",
- p - file_buffer, je32_to_cpu (node->x.totlen),
- je32_to_cpu(node->x.xid), je32_to_cpu(node->x.version));
- crc = mtd_crc32(0, node, sizeof (struct jffs2_raw_xattr) - 4);
- if (crc != je32_to_cpu(node->x.node_crc)) {
- warnmsg("Wrong node_crc at 0x%08zx, 0x%08x instead of 0x%08x\n",
- p - file_buffer, je32_to_cpu(node->x.node_crc), crc);
- p += PAD(je32_to_cpu (node->x.totlen));
- continue;
- }
- length = node->x.name_len + 1 + je16_to_cpu(node->x.value_len);
- crc = mtd_crc32(0, node->x.data, length);
- if (crc != je32_to_cpu(node->x.data_crc)) {
- warnmsg("Wrong data_crc at 0x%08zx, 0x%08x instead of 0x%08x\n",
- p - file_buffer, je32_to_cpu(node->x.data_crc), crc);
- p += PAD(je32_to_cpu (node->x.totlen));
- continue;
- }
-
- write_xattr_to_buff(node);
- p += PAD(je32_to_cpu (node->x.totlen));
- break;
-
- case JFFS2_NODETYPE_XREF:
- if (je32_to_cpu(node->r.node_crc) == 0xffffffff)
- obsolete = 1;
- bareverbose(verbose,
- "%8s Xref node at 0x%08zx, totlen 0x%08x, #ino %5u, xid %5u\n",
- obsolete ? "Obsolete" : "",
- p - file_buffer, je32_to_cpu(node->r.totlen),
- je32_to_cpu(node->r.ino), je32_to_cpu(node->r.xid));
- crc = mtd_crc32(0, node, sizeof (struct jffs2_raw_xref) - 4);
- if (crc != je32_to_cpu(node->r.node_crc)) {
- warnmsg("Wrong node_crc at 0x%08zx, 0x%08x instead of 0x%08x\n",
- p - file_buffer, je32_to_cpu(node->r.node_crc), crc);
- p += PAD(je32_to_cpu (node->r.totlen));
- continue;
- }
-
- write_xref_to_buff(node);
- p += PAD(je32_to_cpu (node->r.totlen));
- break;
-
- case JFFS2_NODETYPE_CLEANMARKER:
- bareverbose(verbose,
- "%8s Cleanmarker at 0x%08zx, totlen 0x%08x\n",
- obsolete ? "Obsolete" : "",
- p - file_buffer, je32_to_cpu (node->u.totlen));
-
- if (!found_cleanmarkers) {
- found_cleanmarkers = 1;
-
- if (add_cleanmarkers == 1 && use_input_cleanmarker_size == 1){
- cleanmarker_size = je32_to_cpu (node->u.totlen);
- setup_cleanmarker();
- }
- }
-
- p += PAD(je32_to_cpu (node->u.totlen));
- break;
-
- case JFFS2_NODETYPE_PADDING:
- bareverbose(verbose,
- "%8s Padding node at 0x%08zx, totlen 0x%08x\n",
- obsolete ? "Obsolete" : "",
- p - file_buffer, je32_to_cpu (node->u.totlen));
- p += PAD(je32_to_cpu (node->u.totlen));
- break;
-
- case 0xffff:
- p += 4;
- break;
-
- default:
- bareverbose(verbose,
- "%8s Unknown node at 0x%08zx, totlen 0x%08x\n",
- obsolete ? "Obsolete" : "",
- p - file_buffer, je32_to_cpu (node->u.totlen));
-
- p += PAD(je32_to_cpu (node->u.totlen));
- }
- }
-}
-
-int main(int argc, char **argv)
-{
- int ret;
-
- process_options(argc,argv);
-
- if ((in_fd == -1) || (out_fd == -1)) {
- if(in_fd != -1)
- close(in_fd);
- if(out_fd != -1)
- close(out_fd);
- fprintf(stderr, "%s", helptext);
- errmsg_die("You must specify input and output files!\n");
- }
-
- init_buffers();
- init_sumlist();
-
- while ((ret = load_next_block())) {
- create_summed_image(ret);
- }
-
- flush_buffers();
- clean_buffers();
- clean_sumlist();
-
- if (in_fd != -1)
- close(in_fd);
- if (out_fd != -1)
- close(out_fd);
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 02:05:41 +0000