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Document PacketAliasPptp() and allow it to be disabled

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by passing INADDR_NONE.
This commit is contained in:
Brian Somers 1999-03-07 18:13:23 +00:00
parent 7e18abbef4
commit 164928d385
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=44556
4 changed files with 62 additions and 4 deletions
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3
lib/libalias/alias_db.c
View File

@ -1953,8 +1953,7 @@ PacketAliasPptp(struct in_addr src_addr)
{ {
pptpAliasAddr = src_addr; /* Address of the inside PPTP machine */ pptpAliasAddr = src_addr; /* Address of the inside PPTP machine */
pptpAliasFlag = 1; pptpAliasFlag = src_addr.s_addr != INADDR_NONE;
return 1; return 1;
} }

30
lib/libalias/libalias.3
View File

@ -33,6 +33,7 @@ of the text.
4.2 PacketAliasRedirectAddr() 4.2 PacketAliasRedirectAddr()
4.3 PacketAliasRedirectDelete() 4.3 PacketAliasRedirectDelete()
4.4 PacketAliasProxyRule() 4.4 PacketAliasProxyRule()
4.5 PacketAliasPptp()
5. Fragment Handling 5. Fragment Handling
5.1 PacketAliasSaveFragment() 5.1 PacketAliasSaveFragment()
5.2 PacketAliasGetFragment() 5.2 PacketAliasGetFragment()
@ -507,6 +508,7 @@ re-mapped in the same manner the header fragment
was. Fragments which arrive before the header was. Fragments which arrive before the header
are saved and then retrieved once the header fragment are saved and then retrieved once the header fragment
has been resolved. has been resolved.
.Ss 4.4 PacketAliasProxyRule() .Ss 4.4 PacketAliasProxyRule()
.Ft int .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 internal machines that are not permitted certain types of internet
access, or to restrict access to certain external machines. 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() .Ss 5.1 PacketAliasSaveFragment()
.Ft int .Ft int

3
sys/netinet/libalias/alias_db.c
View File

@ -1953,8 +1953,7 @@ PacketAliasPptp(struct in_addr src_addr)
{ {
pptpAliasAddr = src_addr; /* Address of the inside PPTP machine */ pptpAliasAddr = src_addr; /* Address of the inside PPTP machine */
pptpAliasFlag = 1; pptpAliasFlag = src_addr.s_addr != INADDR_NONE;
return 1; return 1;
} }

30
sys/netinet/libalias/libalias.3
View File

@ -33,6 +33,7 @@ of the text.
4.2 PacketAliasRedirectAddr() 4.2 PacketAliasRedirectAddr()
4.3 PacketAliasRedirectDelete() 4.3 PacketAliasRedirectDelete()
4.4 PacketAliasProxyRule() 4.4 PacketAliasProxyRule()
4.5 PacketAliasPptp()
5. Fragment Handling 5. Fragment Handling
5.1 PacketAliasSaveFragment() 5.1 PacketAliasSaveFragment()
5.2 PacketAliasGetFragment() 5.2 PacketAliasGetFragment()
@ -507,6 +508,7 @@ re-mapped in the same manner the header fragment
was. Fragments which arrive before the header was. Fragments which arrive before the header
are saved and then retrieved once the header fragment are saved and then retrieved once the header fragment
has been resolved. has been resolved.
.Ss 4.4 PacketAliasProxyRule() .Ss 4.4 PacketAliasProxyRule()
.Ft int .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 internal machines that are not permitted certain types of internet
access, or to restrict access to certain external machines. 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() .Ss 5.1 PacketAliasSaveFragment()
.Ft int .Ft int