*/
static void init_std_data(struct entropy_store *r)
{
- struct timeval tv;
+ ktime_t now;
unsigned long flags;
spin_lock_irqsave(&r->lock, flags);
r->entropy_count = 0;
spin_unlock_irqrestore(&r->lock, flags);
- do_gettimeofday(&tv);
- add_entropy_words(r, (__u32 *)&tv, sizeof(tv)/4);
+ now = ktime_get_real();
+ add_entropy_words(r, (__u32 *)&now, sizeof(now)/4);
add_entropy_words(r, (__u32 *)utsname(),
sizeof(*(utsname()))/4);
}
return;
/*
- * If kmalloc returns null, we just won't use that entropy
+ * If kzalloc returns null, we just won't use that entropy
* source.
*/
- state = kmalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
- if (state) {
- memset(state, 0, sizeof(struct timer_rand_state));
+ state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
+ if (state)
irq_timer_state[irq] = state;
- }
}
#ifdef CONFIG_BLOCK
struct timer_rand_state *state;
/*
- * If kmalloc returns null, we just won't use that entropy
+ * If kzalloc returns null, we just won't use that entropy
* source.
*/
- state = kmalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
- if (state) {
- memset(state, 0, sizeof(struct timer_rand_state));
+ state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
+ if (state)
disk->random = state;
- }
}
#endif
if (p == buffer) {
return (ssize_t)ret;
} else {
- struct inode *inode = file->f_dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
inode->i_mtime = current_fs_time(inode->i_sb);
mark_inode_dirty(inode);
return (ssize_t)(p - buffer);
}
}
-struct file_operations random_fops = {
+const struct file_operations random_fops = {
.read = random_read,
.write = random_write,
.poll = random_poll,
.ioctl = random_ioctl,
};
-struct file_operations urandom_fops = {
+const struct file_operations urandom_fops = {
.read = urandom_read,
.write = random_write,
.ioctl = random_ioctl,
static int uuid_strategy(ctl_table *table, int __user *name, int nlen,
void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen, void **context)
+ void __user *newval, size_t newlen)
{
unsigned char tmp_uuid[16], *uuid;
unsigned int len;
static unsigned int ip_cnt;
-static void rekey_seq_generator(void *private_);
+static void rekey_seq_generator(struct work_struct *work);
-static DECLARE_DELAYED_WORK(rekey_work, rekey_seq_generator, NULL);
+static DECLARE_DELAYED_WORK(rekey_work, rekey_seq_generator);
/*
* Lock avoidance:
* happen, and even if that happens only a not perfectly compliant
* ISN is generated, nothing fatal.
*/
-static void rekey_seq_generator(void *private_)
+static void rekey_seq_generator(struct work_struct *work)
{
struct keydata *keyptr = &ip_keydata[1 ^ (ip_cnt & 1)];
late_initcall(seqgen_init);
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-__u32 secure_tcpv6_sequence_number(__u32 *saddr, __u32 *daddr,
- __u16 sport, __u16 dport)
+__u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr,
+ __be16 sport, __be16 dport)
{
- struct timeval tv;
__u32 seq;
__u32 hash[12];
struct keydata *keyptr = get_keyptr();
*/
memcpy(hash, saddr, 16);
- hash[4]=(sport << 16) + dport;
+ hash[4]=((__force u16)sport << 16) + (__force u16)dport;
memcpy(&hash[5],keyptr->secret,sizeof(__u32) * 7);
- seq = twothirdsMD4Transform(daddr, hash) & HASH_MASK;
+ seq = twothirdsMD4Transform((const __u32 *)daddr, hash) & HASH_MASK;
seq += keyptr->count;
- do_gettimeofday(&tv);
- seq += tv.tv_usec + tv.tv_sec * 1000000;
+ seq += ktime_get_real().tv64;
return seq;
}
/* The code below is shamelessly stolen from secure_tcp_sequence_number().
* All blames to Andrey V. Savochkin <saw@msu.ru>.
*/
-__u32 secure_ip_id(__u32 daddr)
+__u32 secure_ip_id(__be32 daddr)
{
struct keydata *keyptr;
__u32 hash[4];
* The dest ip address is placed in the starting vector,
* which is then hashed with random data.
*/
- hash[0] = daddr;
+ hash[0] = (__force __u32)daddr;
hash[1] = keyptr->secret[9];
hash[2] = keyptr->secret[10];
hash[3] = keyptr->secret[11];
#ifdef CONFIG_INET
-__u32 secure_tcp_sequence_number(__u32 saddr, __u32 daddr,
- __u16 sport, __u16 dport)
+__u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
+ __be16 sport, __be16 dport)
{
- struct timeval tv;
__u32 seq;
__u32 hash[4];
struct keydata *keyptr = get_keyptr();
* Note that the words are placed into the starting vector, which is
* then mixed with a partial MD4 over random data.
*/
- hash[0]=saddr;
- hash[1]=daddr;
- hash[2]=(sport << 16) + dport;
+ hash[0]=(__force u32)saddr;
+ hash[1]=(__force u32)daddr;
+ hash[2]=((__force u16)sport << 16) + (__force u16)dport;
hash[3]=keyptr->secret[11];
seq = half_md4_transform(hash, keyptr->secret) & HASH_MASK;
* As close as possible to RFC 793, which
* suggests using a 250 kHz clock.
* Further reading shows this assumes 2 Mb/s networks.
- * For 10 Mb/s Ethernet, a 1 MHz clock is appropriate.
+ * For 10 Gb/s Ethernet, a 1 GHz clock is appropriate.
* That's funny, Linux has one built in! Use it!
* (Networks are faster now - should this be increased?)
*/
- do_gettimeofday(&tv);
- seq += tv.tv_usec + tv.tv_sec * 1000000;
+ seq += ktime_get_real().tv64;
#if 0
printk("init_seq(%lx, %lx, %d, %d) = %d\n",
saddr, daddr, sport, dport, seq);
return seq;
}
-EXPORT_SYMBOL(secure_tcp_sequence_number);
-
/* Generate secure starting point for ephemeral IPV4 transport port search */
-u32 secure_ipv4_port_ephemeral(__u32 saddr, __u32 daddr, __u16 dport)
+u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
{
struct keydata *keyptr = get_keyptr();
u32 hash[4];
* Pick a unique starting offset for each ephemeral port search
* (saddr, daddr, dport) and 48bits of random data.
*/
- hash[0] = saddr;
- hash[1] = daddr;
- hash[2] = dport ^ keyptr->secret[10];
+ hash[0] = (__force u32)saddr;
+ hash[1] = (__force u32)daddr;
+ hash[2] = (__force u32)dport ^ keyptr->secret[10];
hash[3] = keyptr->secret[11];
return half_md4_transform(hash, keyptr->secret);
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-u32 secure_ipv6_port_ephemeral(const __u32 *saddr, const __u32 *daddr, __u16 dport)
+u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, __be16 dport)
{
struct keydata *keyptr = get_keyptr();
u32 hash[12];
memcpy(hash, saddr, 16);
- hash[4] = dport;
+ hash[4] = (__force u32)dport;
memcpy(&hash[5],keyptr->secret,sizeof(__u32) * 7);
- return twothirdsMD4Transform(daddr, hash);
+ return twothirdsMD4Transform((const __u32 *)daddr, hash);
}
#endif
* bit's 32-47 increase every key exchange
* 0-31 hash(source, dest)
*/
-u64 secure_dccp_sequence_number(__u32 saddr, __u32 daddr,
- __u16 sport, __u16 dport)
+u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr,
+ __be16 sport, __be16 dport)
{
- struct timeval tv;
u64 seq;
__u32 hash[4];
struct keydata *keyptr = get_keyptr();
- hash[0] = saddr;
- hash[1] = daddr;
- hash[2] = (sport << 16) + dport;
+ hash[0] = (__force u32)saddr;
+ hash[1] = (__force u32)daddr;
+ hash[2] = ((__force u16)sport << 16) + (__force u16)dport;
hash[3] = keyptr->secret[11];
seq = half_md4_transform(hash, keyptr->secret);
seq |= ((u64)keyptr->count) << (32 - HASH_BITS);
- do_gettimeofday(&tv);
- seq += tv.tv_usec + tv.tv_sec * 1000000;
+ seq += ktime_get_real().tv64;
seq &= (1ull << 48) - 1;
#if 0
printk("dccp init_seq(%lx, %lx, %d, %d) = %d\n",
* drain on it), and uses halfMD4Transform within the second. We
* also mix it with jiffies and the PID:
*/
- return secure_ip_id(current->pid + jiffies);
+ return secure_ip_id((__force __be32)(current->pid + jiffies));
}
/*
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff