static int dnsmq_ctrl(struct file *file, const char *buffer, unsigned long length, void *data)
{
char s[32];
char *ptr;
int i, j;
// "[dnsmq ip] [dnsmq name]
if ((length > 0) && (length < 32)) {
memcpy(s, buffer, length);
s[length] = 0;
for(i=0;i<length;i++) {
if (s[i] == ' ') break;
}
if (i<length) {
s[i] = 0;
ptr = s + i + 1;
dnsmq_ip = simple_strtoul(s, NULL, 16);
// ipv6_addr_set_v4mapped(dnsmq_ip, &dnsmq_ipv6);
// convert to dnsname format
j=0;
for(;i<length;i++) {
if (s[i] == '.') {
s[i]=0;
dnsmq_name[j]=strlen(ptr);
memcpy(dnsmq_name+j+1, ptr, strlen(ptr));
j += strlen(ptr) + 1;
ptr = s + i + 1;
}
}
dnsmq_name[j]=strlen(ptr);
memcpy(dnsmq_name+j+1, ptr, strlen(ptr));
dnsmq_name[j+1+strlen(ptr)]=0;
}
}
else dnsmq_ip=0;
printk("dnsmq ctrl: %x %s\n", dnsmq_ip, dnsmq_name);
if (dnsmq_ip == 0) dnsmq_hit_hook_func (NULL);
else dnsmq_hit_hook_func(dnsmq_func);
return length;
}
static int dnsmq_ctrl_ipv6(struct file *file, const char *buffer, unsigned long length, void *data)
{
char s[64];
char *ptr;
int i, j;
// "[dnsmq ipv6] [dnsmq name]
if ((length > 0) && (length < 64)) {
memcpy(s, buffer, length);
s[length] = 0;
for(i=0;i<length;i++) {
if (s[i] == ' ') break;
}
if (i<length) {
s[i] = 0;
ptr = s + i + 1;
in6_pton(s, length, (void *)&dnsmq_ipv6, '\n', NULL);
// convert to dnsname format
j=0;
for(;i<length;i++) {
if (s[i] == '.') {
s[i]=0;
dnsmq_name_ipv6[j]=strlen(ptr);
memcpy(dnsmq_name_ipv6+j+1, ptr, strlen(ptr));
j += strlen(ptr) + 1;
ptr = s + i + 1;
}
}
dnsmq_name_ipv6[j]=strlen(ptr);
memcpy(dnsmq_name_ipv6+j+1, ptr, strlen(ptr));
dnsmq_name_ipv6[j+1+strlen(ptr)]=0;
}
}
else memset(&dnsmq_ipv6, 0, sizeof(struct in6_addr));
printk(KERN_DEBUG "dnsmq ctrl ipv6: %pI6 %s\n", &dnsmq_ipv6, dnsmq_name_ipv6);
if (ipv6_addr_equal(&dnsmq_ipv6, &in6addr_any)) dnsmq_hit_hook_func (NULL);
else dnsmq_hit_hook_func(dnsmq_func);
return length;
}
static int __init init(void)
{
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *p;
p = create_proc_entry("dnsmqctrl", 0200, init_net.proc_net);
if (p) {
//p->owner = THIS_MODULE;
p->write_proc = dnsmq_ctrl;
}
#endif
// it will be enabled later
dnsmq_hit_hook_func (NULL);
return 0;
}
static void __exit fini(void)
{
dnsmq_hit_hook_func (NULL);
}
