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virSocketAddrGetIpPrefix 0.0.0.0 and :: special cases

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If 0.0.0.0  or :: address is provided, then the returned prefix should
be 0, for the default address.
This commit is contained in:
Cédric Bosdonnat 2015-01-15 09:13:09 +01:00
parent a117652917
commit 3993c2f91c
1 changed files with 8 additions and 0 deletions
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8
src/util/virsocketaddr.c
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@ -832,6 +832,12 @@ virSocketAddrGetIpPrefix(const virSocketAddr *address,
*/
unsigned char octet
= ntohl(address->data.inet4.sin_addr.s_addr) >> 24;
/* If address is 0.0.0.0, we surely want to have 0 prefix for
* the default route. */
if (address->data.inet4.sin_addr.s_addr == 0)
return 0;
if ((octet & 0x80) == 0) {
/* Class A network */
return 8;
@ -844,6 +850,8 @@ virSocketAddrGetIpPrefix(const virSocketAddr *address,
}
return -1;
} else if (VIR_SOCKET_ADDR_IS_FAMILY(address, AF_INET6)) {
if (address->data.inet6.sin6_addr.s6_addr == 0)
return 0;
return 64;
}