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authorbrian <brian@FreeBSD.org>1999-03-07 18:13:23 +0000
committerbrian <brian@FreeBSD.org>1999-03-07 18:13:23 +0000
commit8b7bf74482a8f02d04eb893476a0bbe5281f9741 (patch)
tree42186b4d61eef545efa4530a2d0c37bbf7e3344c /lib
parentb9bb81ebe91a019d06d369e5b9cab41fc482d0a0 (diff)
downloadFreeBSD-src-8b7bf74482a8f02d04eb893476a0bbe5281f9741.zip
FreeBSD-src-8b7bf74482a8f02d04eb893476a0bbe5281f9741.tar.gz
Document PacketAliasPptp() and allow it to be disabled
by passing INADDR_NONE.
Diffstat (limited to 'lib')
-rw-r--r--lib/libalias/alias_db.c3
-rw-r--r--lib/libalias/libalias.330
2 files changed, 31 insertions, 2 deletions
diff --git a/lib/libalias/alias_db.c b/lib/libalias/alias_db.c
index c1d6985..bd730ba 100644
--- a/lib/libalias/alias_db.c
+++ b/lib/libalias/alias_db.c
@@ -1953,8 +1953,7 @@ PacketAliasPptp(struct in_addr src_addr)
{
pptpAliasAddr = src_addr; /* Address of the inside PPTP machine */
- pptpAliasFlag = 1;
-
+ pptpAliasFlag = src_addr.s_addr != INADDR_NONE;
return 1;
}
diff --git a/lib/libalias/libalias.3 b/lib/libalias/libalias.3
index 16624bc0..38897d4 100644
--- a/lib/libalias/libalias.3
+++ b/lib/libalias/libalias.3
@@ -33,6 +33,7 @@ of the text.
4.2 PacketAliasRedirectAddr()
4.3 PacketAliasRedirectDelete()
4.4 PacketAliasProxyRule()
+ 4.5 PacketAliasPptp()
5. Fragment Handling
5.1 PacketAliasSaveFragment()
5.2 PacketAliasGetFragment()
@@ -507,6 +508,7 @@ re-mapped in the same manner the header fragment
was. Fragments which arrive before the header
are saved and then retrieved once the header fragment
has been resolved.
+
.Ss 4.4 PacketAliasProxyRule()
.Ft int
@@ -594,6 +596,34 @@ This function is usually used to redirect outgoing connections for
internal machines that are not permitted certain types of internet
access, or to restrict access to certain external machines.
+.Ss 4.5 PacketAliasPptp()
+
+.Ft extern int
+.Fn PacketAliasPptp "struct in_addr addr"
+
+This function causes any
+.Em G Ns No eneral
+.Em R Ns No outing
+.Em E Ns No encapsulated
+.Pq Dv IPPROTO_GRE
+packets to be aliased using
+.Ar addr
+rather than the address set via
+.Fn PacketAliasSetAddress .
+This allows the uses of the
+.Em P Ns No oint
+to
+.Em P Ns No oint
+.Em T Ns No unneling
+.Em P Ns No rotocol
+on a machine on the internal network.
+.Pp
+If the passed address is
+.Dv INADDR_NONE
+.Pq 255.255.255.255 ,
+.Dv PPTP
+aliasing is disabled.
+
.Ss 5.1 PacketAliasSaveFragment()
.Ft int
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