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authorGabor Juhos <juhosg@openwrt.org>2013-11-06 10:16:40 +0000
committerGabor Juhos <juhosg@openwrt.org>2013-11-06 10:16:40 +0000
commit17fa7be38559f9740bd25fc60a2eab5cbe35c08d (patch)
treea0634aeb66a416530e6f735abdb06aa9440f7d04 /tools/firmware-utils/src/wndr3700.c
parenta94e4655b518037da6183c74c4bea3a7da1abcdb (diff)
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firmware-utils: remove the wndr3700 utility
It is not used anymore. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38663 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'tools/firmware-utils/src/wndr3700.c')
-rw-r--r--tools/firmware-utils/src/wndr3700.c150
1 files changed, 0 insertions, 150 deletions
diff --git a/tools/firmware-utils/src/wndr3700.c b/tools/firmware-utils/src/wndr3700.c
deleted file mode 100644
index 97b5f1d455..0000000000
--- a/tools/firmware-utils/src/wndr3700.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * wndr3700.c - partially based on OpenWrt's add_header.c
- *
- * Copyright (C) 2009 Anael Orlinski <naouel@naouel.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License,
- * version 2 as published by the Free Software Foundation.
- *
- * 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.
- */
-
-/*
- * The add_header utility used by various vendors preprends the buf
- * image with a header containing a CRC32 value which is generated for the
- * model id + reserved space for CRC32 + buf, then replaces the reserved
- * area with the actual CRC32. This replacement tool mimics this behavior.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <string.h>
-#include <netinet/in.h>
-#include <inttypes.h>
-
-#define BPB 8 /* bits/byte */
-
-#define WNDR3700_MAGIC_LEN 4
-
-static uint32_t crc32[1<<BPB];
-static char *magic = "3700";
-
-static void init_crc32()
-{
- const uint32_t poly = ntohl(0x2083b8ed);
- int n;
-
- for (n = 0; n < 1<<BPB; n++) {
- uint32_t crc = n;
- int bit;
-
- for (bit = 0; bit < BPB; bit++)
- crc = (crc & 1) ? (poly ^ (crc >> 1)) : (crc >> 1);
- crc32[n] = crc;
- }
-}
-
-static uint32_t crc32buf(unsigned char *buf, size_t len)
-{
- uint32_t crc = 0xFFFFFFFF;
-
- for (; len; len--, buf++)
- crc = crc32[(uint8_t)crc ^ *buf] ^ (crc >> BPB);
- return ~crc;
-}
-
-struct header {
- unsigned char magic[WNDR3700_MAGIC_LEN];
- uint32_t crc;
- unsigned char stuff[56];
-};
-
-static void usage(const char *) __attribute__ (( __noreturn__ ));
-
-static void usage(const char *mess)
-{
- fprintf(stderr, "Error: %s\n", mess);
- fprintf(stderr, "Usage: wndr3700 input_file output_file [magic]\n");
- fprintf(stderr, "\n");
- exit(1);
-}
-
-int main(int argc, char **argv)
-{
- off_t len; // of original buf
- off_t buflen; // of the output file
- int fd;
- void *input_file; // pointer to the input file (mmmapped)
- struct header header;
- unsigned char *buf; // pointer to prefix + copy of original buf
-
- // verify parameters
-
- if (argc < 3)
- usage("wrong number of arguments");
-
- if (argc > 3)
- magic = argv[3];
-
- if (strlen(magic) != WNDR3700_MAGIC_LEN) {
- fprintf(stderr, "Invalid magic: '%s'\n", magic);
- exit(1);
- }
-
- // mmap input_file
- if ((fd = open(argv[1], O_RDONLY)) < 0
- || (len = lseek(fd, 0, SEEK_END)) < 0
- || (input_file = mmap(0, len, PROT_READ, MAP_SHARED, fd, 0)) == (void *) (-1)
- || close(fd) < 0)
- {
- fprintf(stderr, "Error loading file %s: %s\n", argv[1], strerror(errno));
- exit(1);
- }
-
- buflen = len;
-
- init_crc32();
-
- // preload header
- memcpy(&header, input_file, sizeof(header));
-
- memcpy(header.magic, magic, WNDR3700_MAGIC_LEN);
- header.crc = 0;
-
- // create a firmware image in memory and copy the input_file to it
- buf = malloc(buflen);
- memcpy(buf, input_file, len);
-
- // CRC of temporary header
- header.crc = htonl(crc32buf((unsigned char*)&header, sizeof(header)));
-
- memcpy(buf, &header, sizeof(header));
-
- // write the buf
- if ((fd = open(argv[2], O_CREAT|O_WRONLY|O_TRUNC,0644)) < 0
- || write(fd, buf, buflen) != buflen
- || close(fd) < 0)
- {
- fprintf(stderr, "Error storing file %s: %s\n", argv[2], strerror(errno));
- exit(2);
- }
-
- free(buf);
-
- munmap(input_file,len);
-
- return 0;
-}