1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* Check format of network prefix
*/
#include <stdio.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#define IS_CLASSD(a) ((((uint32_t)(a)) & 0x000000f0) == 0x000000e0)
#define IS_MULTICAST(a) IS_CLASSD(a)
#define IS_BROADCAST(a) ((((uint32_t)(a)) & 0xffffffff) == 0xffffffff)
#define IS_IPV6_MULTICAST(a) ((((uint32_t)(a)) & 0x000000ff) == 0x000000ff)
typedef struct
{
uint8_t family;
uint8_t bytelen;
unsigned int plen;
uint32_t data[4];
} inet_prefix;
void get_addr_1(inet_prefix *addr, const char *name, int family);
void err(const char *fmt, ...);
/*
static void get_addr_1(inet_prefix *addr, const char *name, int family)
{
memset(addr, 0, sizeof(*addr));
if (strchr(name, ':')) {
addr->family = AF_INET6;
addr->bytelen = 16;
if (family != AF_UNSPEC && family != AF_INET6)
err("IPV6 address not allowed\n");
if (inet_pton(AF_INET6, name, addr->data) <= 0)
err("Invalid IPV6 address: %s\n", name);
return;
}
addr->family = AF_INET;
addr->bytelen = 4;
if (family != AF_UNSPEC && family != AF_INET)
err("IPV4 address not allowed\n");
if (inet_pton(AF_INET, name, addr->data) <= 0)
err("Invalid IPV4 address: %s\n", name);
return;
}
*/
void err(const char *fmt, ...);
|
