On 2017/07/27 21:36, Paul de Weerd wrote:
> I'm actively using (and enjoying) the fruit of Rafael's work on his
> multicast proxy daemon (see [1] for details). Although I still
> believe it would be beneficial to have code exercising the kernel's
> multicast bits in base, that doesn't seem to be in the stars (at this
> moment). So, with Rafael's permission, I'm presenting a port of his
> work.
rc script needs ${TRUEPREFIX} in "daemon".
There are several warnings in build:
cc -O2 -pipe -I/usr/obj/ports/mcast-proxy-1.0/mcast-proxy-1.0 -Wall -Wextra
-Wshadow -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes
-Wpointer-arith -Wsign-compare -MD -MP -nostdinc -idirafter /usr/include -c
mcast-proxy.c
mcast-proxy.c:662:30: warning: taking address of packed member 'ip6_dst' of
class or structure 'ip6_hdr' may result in an unaligned pointer value
[-Waddress-of-packed-member]
if (!IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) {
^~~~~~~~~~~~
/usr/include/netinet6/in6.h:244:36: note: expanded from macro
'IN6_IS_ADDR_MULTICAST'
#define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff)
^
mcast-proxy.c:667:27: warning: taking address of packed member 'ip6_src' of
class or structure 'ip6_hdr' may result in an unaligned pointer value
[-Waddress-of-packed-member]
id = intf_lookupbyaddr6(&ip6->ip6_src);
^~~~~~~~~~~~
mcast-proxy.c:670:29: warning: taking address of packed member 'ip6_src' of
class or structure 'ip6_hdr' may result in an unaligned pointer value
[-Waddress-of-packed-member]
__func__, addr6tostr(&ip6->ip6_src));
^~~~~~~~~~~~
mcast-proxy.c:675:18: warning: taking address of packed member 'ip6_src' of
class or structure 'ip6_hdr' may result in an unaligned pointer value
[-Waddress-of-packed-member]
addr6tostr(&ip6->ip6_src), id->id_name,
^~~~~~~~~~~~
mcast-proxy.c:676:18: warning: taking address of packed member 'ip6_dst' of
class or structure 'ip6_hdr' may result in an unaligned pointer value
[-Waddress-of-packed-member]
addr6tostr(&ip6->ip6_dst));
^~~~~~~~~~~~
mcast-proxy.c:678:30: warning: taking address of packed member 'ip6_src' of
class or structure 'ip6_hdr' may result in an unaligned pointer value
[-Waddress-of-packed-member]
mrt_insert6(MV_IGMPV3, id, &ip6->ip6_src, &ip6->ip6_dst);
^~~~~~~~~~~~
mcast-proxy.c:678:45: warning: taking address of packed member 'ip6_dst' of
class or structure 'ip6_hdr' may result in an unaligned pointer value
[-Waddress-of-packed-member]
mrt_insert6(MV_IGMPV3, id, &ip6->ip6_src, &ip6->ip6_dst);
^~~~~~~~~~~~
mcast-proxy.c:695:34: warning: taking address of packed member 'mld_addr' of
class or structure 'mld_hdr' may result in an unaligned pointer value
[-Waddress-of-packed-member]
addrtostr(src), addr6tostr(&mld->mld_addr));
^~~~~~~~~~~~~
mcast-proxy.c:702:8: warning: taking address of packed member 'mld_addr' of
class or structure 'mld_hdr' may result in an unaligned pointer value
[-Waddress-of-packed-member]
&mld->mld_addr);
^~~~~~~~~~~~~
mcast-proxy.c:705:47: warning: taking address of packed member 'mld_addr' of
class or structure 'mld_hdr' may result in an unaligned pointer value
[-Waddress-of-packed-member]
mrt_remove6(id, &sstosin6(src)->sin6_addr, &mld->mld_addr);
^~~~~~~~~~~~~
10 warnings generated.
