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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-11-10 16:36:16 +02:00

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1055 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
mbm 2005-05-25 02:51:57 +00:00
parent c10f6281f1
commit d47133d4c5
2 changed files with 25 additions and 13 deletions

View File

@ -30,6 +30,8 @@
#include <sys/stat.h>
#include <string.h>
#include <sys/ioctl.h>
#include <linux/mtd/mtd.h>
#define FILENAME "/dev/mtdblock/1"
@ -71,9 +73,9 @@ unsigned int crc32buf(char *buf, size_t len)
int main(int argc, char **argv)
{
int fd;
struct mtd_info_user mtdInfo;
unsigned long len;
struct trx_header *ptr;
unsigned offset;
if (((fd = open(FILENAME, O_RDWR)) < 0)
|| ((len = lseek(fd, 0, SEEK_END)) < 0)
@ -82,27 +84,31 @@ int main(int argc, char **argv)
printf("Error reading trx info\n");
exit(-1);
}
close (fd);
if (((fd = open("/dev/mtd/1", O_RDWR)) < 0)
|| (ioctl(fd, MEMGETINFO, &mtdInfo))) {
fprintf(stderr, "Could not get MTD device info from %s\n", FILENAME);
close(fd);
exit(1);
}
close(fd);
/* treat last partition as rootfs offset */
offset = ptr->offsets[2] ? : ptr->offsets[1];
if (argc > 1 && !strcmp(argv[1],"--move")) {
if (offset >= ptr->len) {
if (ptr->offsets[2] >= ptr->len) {
printf("Partition already moved outside trx\n");
#if 0
} else if (offset & 0x0001ffff) {
printf("Partition does not start on a block boundary\n");
#endif
} else {
init_crc32();
//bzero((void *)((int)ptr + ptr->len), (size_t)(len - ptr->len));
ptr->len = offset;
ptr->offsets[2] += mtdInfo.erasesize;
ptr->offsets[2] &= ~(mtdInfo.erasesize - 1);
ptr->len = ptr->offsets[2];
ptr->crc32 = crc32buf((void *) &(ptr->flag_version), ptr->len - offsetof(struct trx_header, flag_version));
msync(ptr,sizeof(struct trx_header),MS_SYNC|MS_INVALIDATE);
printf("Partition moved; please reboot\n");
}
} else {
int x;
printf(" erase: 0x%08x\n",mtdInfo.erasesize);
printf("=== trx ===\n");
printf("mapped: 0x%08x\n", (unsigned)ptr);
printf(" magic: 0x%08x\n", ptr->magic);
@ -112,8 +118,6 @@ int main(int argc, char **argv)
printf(" offset[%d]: 0x%08x\n", x, ptr->offsets[x]);
}
munmap((void *) ptr, len);
close (fd);
return 0;
}

View File

@ -16,10 +16,18 @@ iptables -N forwarding_rule
iptables -t nat -N prerouting_rule
iptables -t nat -N postrouting_rule
### Allow SSH from WAN
# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 22 -j ACCEPT
# iptables -A input_rule -i $WAN -p tcp --dport 22 -j ACCEPT
### Port forwarding
# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 22 -j DNAT --to 192.168.1.2
# iptables -A forwarding_rule -i $WAN -p tcp --dport 22 -d 192.168.1.2 -j ACCEPT
### DMZ (should be placed after port forwarding / accept rules)
# iptables -t nat -A prerouting_rule -i $WAN -j DNAT --to 192.168.1.2
# iptables -A forwarding_rule -i $WAN -d 192.168.1.2 -j ACCEPT
### INPUT
### (connections with the router as destination)