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authorJohn Crispin <john@openwrt.org>2013-06-21 16:54:37 +0000
committerJohn Crispin <john@openwrt.org>2013-06-21 16:54:37 +0000
commit4ebf19b48fafc8d94e14e4ba779969613b241a6a (patch)
tree9918f890a8915023b49ea30948beb5d048c333fa /package/mtd/src/seama.c
parent44b1688e6c7b4f16f7165fbd560e1183aef69090 (diff)
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packages: clean up the package folder
Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 37007
Diffstat (limited to 'package/mtd/src/seama.c')
-rw-r--r--package/mtd/src/seama.c179
1 files changed, 0 insertions, 179 deletions
diff --git a/package/mtd/src/seama.c b/package/mtd/src/seama.c
deleted file mode 100644
index b0c8bf3..0000000
--- a/package/mtd/src/seama.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * seama.c
- *
- * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
- *
- * Based on the trx fixup code:
- * Copyright (C) 2005 Mike Baker
- * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
- *
- * 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.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <errno.h>
-#include <arpa/inet.h>
-
-#include <sys/ioctl.h>
-#include <mtd/mtd-user.h>
-#include "mtd.h"
-#include "seama.h"
-#include "md5.h"
-
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define STORE32_LE(X) ((((X) & 0x000000FF) << 24) | (((X) & 0x0000FF00) << 8) | (((X) & 0x00FF0000) >> 8) | (((X) & 0xFF000000) >> 24))
-#elif __BYTE_ORDER == __LITTLE_ENDIAN
-#define STORE32_LE(X) (X)
-#else
-#error unknown endianness!
-#endif
-
-ssize_t pread(int fd, void *buf, size_t count, off_t offset);
-ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset);
-
-int
-seama_fix_md5(char *buf, size_t len)
-{
- struct seama_hdr *shdr;
- char *data;
- size_t msize;
- size_t isize;
- MD5_CTX ctx;
- unsigned char digest[16];
- int i;
-
- if (len < sizeof(struct seama_hdr))
- return -1;
-
- shdr = (struct seama_hdr *) buf;
- if (shdr->magic != htonl(SEAMA_MAGIC)) {
- fprintf(stderr, "no SEAMA header found\n");
- return -1;
- }
-
- isize = ntohl(shdr->size);
- msize = ntohs(shdr->metasize);
- if (isize == 0) {
- /* the image contains no checksum */
- return -1;
- }
-
- len -= sizeof(struct seama_hdr) + sizeof(digest) + msize;
- if (isize > len)
- isize = len;
-
- data = buf + sizeof(struct seama_hdr) + sizeof(digest) + msize;
-
- MD5_Init(&ctx);
- MD5_Update(&ctx, data, isize);
- MD5_Final(digest, &ctx);
-
- if (!memcmp(digest, &buf[sizeof(struct seama_hdr)], sizeof(digest))) {
- if (quiet < 2)
- fprintf(stderr, "the header is fixed already\n");
- return -1;
- }
-
- if (quiet < 2) {
- fprintf(stderr, "new size:%u, new MD5: ", isize);
- for (i = 0; i < sizeof(digest); i++)
- fprintf(stderr, "%02x", digest[i]);
-
- fprintf(stderr, "\n");
- }
-
- /* update the size in the image */
- shdr->size = htonl(isize);
-
- /* update the checksum in the image */
- for (i = 0; i < sizeof(digest); i++)
- buf[sizeof(struct seama_hdr) + i] = digest[i];
-
- return 0;
-}
-
-int
-mtd_fixseama(const char *mtd, size_t offset)
-{
- int fd;
- char *buf;
- ssize_t res;
- size_t block_offset;
-
- if (quiet < 2)
- fprintf(stderr, "Trying to fix SEAMA header in %s at 0x%x...\n",
- mtd, offset);
-
- block_offset = offset & ~(erasesize - 1);
- offset -= block_offset;
-
- fd = mtd_check_open(mtd);
- if(fd < 0) {
- fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- exit(1);
- }
-
- if (block_offset + erasesize > mtdsize) {
- fprintf(stderr, "Offset too large, device size 0x%x\n",
- mtdsize);
- exit(1);
- }
-
- buf = malloc(mtdsize);
- if (!buf) {
- perror("malloc");
- exit(1);
- }
-
- res = pread(fd, buf, mtdsize, block_offset);
- if (res != mtdsize) {
- perror("pread");
- exit(1);
- }
-
- if (seama_fix_md5(buf, mtdsize))
- goto out;
-
- if (mtd_erase_block(fd, block_offset)) {
- fprintf(stderr, "Can't erease block at 0x%x (%s)\n",
- block_offset, strerror(errno));
- exit(1);
- }
-
- if (quiet < 2)
- fprintf(stderr, "Rewriting block at 0x%x\n", block_offset);
-
- if (pwrite(fd, buf, erasesize, block_offset) != erasesize) {
- fprintf(stderr, "Error writing block (%s)\n", strerror(errno));
- exit(1);
- }
-
- if (quiet < 2)
- fprintf(stderr, "Done.\n");
-
-out:
- close (fd);
- sync();
-
- return 0;
-}
-