----- Original Message ----- > This new function returns true if the given address is in the range > of > any "private" or "local" networks as defined in RFC1918 (IPv4) or > RFC3484/RFC4193 (IPv6), otherwise they return false. > > These ranges are: > > 192.168.0.0/16 > 172.16.0.0/16 > 10.0.0.0/24 > FC00::/7 > FEC0::/10 > --- > src/libvirt_private.syms | 1 + > src/util/virsocketaddr.c | 34 +++++++++++++++++++++++++++++++++- > src/util/virsocketaddr.h | 3 ++- > 3 files changed, 36 insertions(+), 2 deletions(-) > > > /* > + * virSocketAddrIsPrivate: > + * @s: the location of the IP address > + * > + * Return true if this address is in its family's defined > + * "private/local" address space. For IPv4, private addresses are in > + * the range of 192.168.0.0/16, 172.16.0.0/16, or 10.0.0.0/8. For > + * IPv6, local addresses are in the range of FC00::/7. > + * > + * See RFC1918 and RFC4193 for details. Did you intend to update this comment to match the commit message regarding FEC0::/10? > + */ > +bool > +virSocketAddrIsPrivate(const virSocketAddrPtr addr) > +{ > + unsigned long val; > + > + switch (addr->data.stor.ss_family) { > + case AF_INET: > + val = ntohl(addr->data.inet4.sin_addr.s_addr); > + > + return ((val & 0xFFFF0000) == ((192L << 24) + (168 << 16)) || > + (val & 0xFFFF0000) == ((172L << 24) + (16 << 16)) || > + (val & 0xFF000000) == ((10L << 24))); > + > + case AF_INET6: > + return ((addr->data.inet6.sin6_addr.s6_addr[0] & 0xFC) == > 0xFC || Isn't this FC00::/6? You should be using '& 0xFE' for /7. ACK with those fixes. -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list