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On systems with IP_PORTRANGE, have ftpd use `high-numbered'

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ports by default.  Add a -U option to get the old behavior.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10583 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Jacques A. Vidrine
2001-08-28 19:02:16 +00:00
parent c14ed9002f
commit c77bd77f26
4 changed files with 43 additions and 1 deletions
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25
lib/roken/socket.c
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@@ -221,6 +221,31 @@ socket_set_port (struct sockaddr *sa, int port)
}
}
/*
* Set the range of ports to use when binding with port = 0.
*/
void
socket_set_portrange (int sock, int restrict, int af)
{
#if defined(IP_PORTRANGE)
if (af == AF_INET) {
int on = restrict ? IP_PORTRANGE_HIGH : IP_PORTRANGE_DEFAULT;
if (setsockopt (sock, IPPROTO_IP, IP_PORTRANGE, &on,
sizeof(on)) < 0)
warn ("setsockopt IP_PORTRANGE (ignored)");
}
#endif
#if defined(IPV6_PORTRANGE)
if (af == AF_INET6) {
int on = restrict ? IPV6_PORTRANGE_HIGH :
IPV6_PORTRANGE_DEFAULT;
if (setsockopt (sock, IPPROTO_IPV6, IPV6_PORTRANGE, &on,
sizeof(on)) < 0)
warn ("setsockopt IPV6_PORTRANGE (ignored)");
}
#endif
}
/*
* Enable debug on `sock'.
*/