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#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <netinet/in.h>
#include "utils.h"
static u_int32_t hexget(char c)
{
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
if (c >= '0' && c <= '9')
return c - '0';
return 0xf0;
}
static int ipx_getnet(u_int32_t *net, const char *str)
{
int i;
u_int32_t tmp;
for(i = 0; *str && (i < 8); i++) {
if ((tmp = hexget(*str)) & 0xf0) {
if (*str == '.')
return 0;
else
return -1;
}
str++;
(*net) <<= 4;
(*net) |= tmp;
}
if (*str == 0)
return 0;
return -1;
}
static int ipx_getnode(u_int8_t *node, const char *str)
{
int i;
u_int32_t tmp;
for(i = 0; i < 6; i++) {
if ((tmp = hexget(*str++)) & 0xf0)
return -1;
node[i] = (u_int8_t)tmp;
node[i] <<= 4;
if ((tmp = hexget(*str++)) & 0xf0)
return -1;
node[i] |= (u_int8_t)tmp;
if (*str == ':')
str++;
}
return 0;
}
static int ipx_pton1(const char *src, struct ipx_addr *addr)
{
char *sep = (char *)src;
int no_node = 0;
memset(addr, 0, sizeof(struct ipx_addr));
while(*sep && (*sep != '.'))
sep++;
if (*sep != '.')
no_node = 1;
if (ipx_getnet(&addr->ipx_net, src))
return 0;
addr->ipx_net = htonl(addr->ipx_net);
if (no_node)
return 1;
if (ipx_getnode(addr->ipx_node, sep + 1))
return 0;
return 1;
}
int ipx_pton(int af, const char *src, void *addr)
{
int err;
switch (af) {
case AF_IPX:
errno = 0;
err = ipx_pton1(src, (struct ipx_addr *)addr);
break;
default:
errno = EAFNOSUPPORT;
err = -1;
}
return err;
}
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