Commit 078fe553 authored by Juliusz Chroboczek's avatar Juliusz Chroboczek

Implement parsing of IPv4 addresses and networks.

parent 6d1c55bb
......@@ -212,8 +212,17 @@ format_prefix(const unsigned char *prefix, unsigned char plen)
int
parse_address(const char *address, unsigned char *addr_r)
{
struct in_addr ina;
struct in6_addr ina6;
int rc;
rc = inet_pton(AF_INET, address, &ina);
if(rc > 0) {
memcpy(addr_r, v4prefix, 12);
memcpy(addr_r + 12, &ina, 4);
return 0;
}
rc = inet_pton(AF_INET6, address, &ina6);
if(rc > 0) {
memcpy(addr_r, &ina6, 16);
......@@ -230,6 +239,8 @@ parse_net(const char *net, unsigned char *prefix_r, unsigned char *plen_r)
char *slash, *end;
unsigned char prefix[16];
long plen;
struct in_addr ina;
struct in6_addr ina6;
int rc;
if(strcmp(net, "default") == 0) {
......@@ -247,12 +258,25 @@ parse_net(const char *net, unsigned char *prefix_r, unsigned char *plen_r)
return -1;
memcpy(buf, net, slash - net);
buf[slash - net] = '\0';
rc = parse_address(buf, prefix);
if(rc < 0)
return rc;
plen = strtol(slash + 1, &end, 0);
if(*end != '\0' || plen < 0 || plen > 128)
return -1;
rc = inet_pton(AF_INET, buf, &ina);
if(rc > 0) {
memcpy(prefix, v4prefix, 12);
memcpy(prefix + 12, &ina, 4);
plen = strtol(slash + 1, &end, 0);
if(*end != '\0' || plen < 0 || plen > 32)
return -1;
plen += 96;
} else {
rc = inet_pton(AF_INET6, buf, &ina6);
if(rc > 0) {
memcpy(prefix, &ina6, 16);
plen = strtol(slash + 1, &end, 0);
if(*end != '\0' || plen < 0 || plen > 128)
return -1;
} else {
return -1;
}
}
}
}
mask_prefix(prefix_r, prefix, plen);
......
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