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nf_ip_pri_filter
2003 Apr 25
0
[Bug 85] New: couldn't write file ,call syscall ,ex. sys_open
...e,O_WRONLY|O_CREAT,S_IRUSR|S_IWUSR);
printk("fd is [%d]",fd);
sys_write(fd,"Mail has develope sucesses , ",20) ;
sys_close(fd);
set_fs(old_fs) ;
return NF_ACCEPT;
}
static struct nf_hook_ops iplimitfilter=
{
{NULL,NULL},
myfirewall,
PF_INET,
NF_IP_PRE_ROUTING,
NF_IP_PRI_FILTER
};
int init_module(void)
{
mm_segment_t old_fs =get_fs() ;
mm_segment_t new_fs =get_ds();
printk("The** old fs is [%lu]\n",old_fs.seg) ;
printk("The** neww fs is [%lu]\n ",new_fs.seg) ;
return nf_register_hook(&iplimitfilter);
}
void cleanup_module(void)
{
nf_unr...