diff options
author | brian <brian@FreeBSD.org> | 2000-03-31 20:36:29 +0000 |
---|---|---|
committer | brian <brian@FreeBSD.org> | 2000-03-31 20:36:29 +0000 |
commit | 67534b228aa77f848b6a5635e1164846fb38fc9e (patch) | |
tree | 1c2a208f8f28ff2637591b4199a64eb87e392f6e /lib/libalias | |
parent | 34ac70fb1ff46ebc0730cdcacb2438aabe91bcd2 (diff) | |
download | FreeBSD-src-67534b228aa77f848b6a5635e1164846fb38fc9e.zip FreeBSD-src-67534b228aa77f848b6a5635e1164846fb38fc9e.tar.gz |
Allow PacketAliasSetTarget() to be passed the following:
INADDR_NONE: Incoming packets go to the alias address (the default)
INADDR_ANY: Incoming packets are not NAT'd (direct access to the
internal network from outside)
anything else: Incoming packets go to the specified address
Change a few inaddr::s_addr == 0 to inaddr::s_addr == INADDR_ANY
while I'm there.
Diffstat (limited to 'lib/libalias')
-rw-r--r-- | lib/libalias/alias_db.c | 26 | ||||
-rw-r--r-- | lib/libalias/libalias.3 | 9 |
2 files changed, 22 insertions, 13 deletions
diff --git a/lib/libalias/alias_db.c b/lib/libalias/alias_db.c index 296f0d1..b0a2642 100644 --- a/lib/libalias/alias_db.c +++ b/lib/libalias/alias_db.c @@ -863,7 +863,7 @@ AddLink(struct in_addr src_addr, link->src_addr = src_addr; link->dst_addr = dst_addr; link->alias_addr = alias_addr; - link->proxy_addr.s_addr = 0; + link->proxy_addr.s_addr = INADDR_ANY; link->src_port = src_port; link->dst_port = dst_port; link->proxy_port = 0; @@ -893,7 +893,7 @@ AddLink(struct in_addr src_addr, } /* Determine alias flags */ - if (dst_addr.s_addr == 0) + if (dst_addr.s_addr == INADDR_ANY) link->flags |= LINK_UNKNOWN_DEST_ADDR; if (dst_port == 0) link->flags |= LINK_UNKNOWN_DEST_PORT; @@ -1127,7 +1127,7 @@ _FindLinkIn(struct in_addr dst_addr, loop will have to know about this. */ flags_in = 0; - if (dst_addr.s_addr == 0) + if (dst_addr.s_addr == INADDR_ANY) flags_in |= LINK_UNKNOWN_DEST_ADDR; if (dst_port == 0) flags_in |= LINK_UNKNOWN_DEST_PORT; @@ -1455,14 +1455,16 @@ FindOriginalAddress(struct in_addr alias_addr) if (link == NULL) { newDefaultLink = 1; - if (targetAddress.s_addr != 0) - return targetAddress; - else + if (targetAddress.s_addr == INADDR_ANY) + return alias_addr; + else if (targetAddress.s_addr == INADDR_NONE) return aliasAddress; + else + return targetAddress; } else { - if (link->src_addr.s_addr == 0) + if (link->src_addr.s_addr == INADDR_ANY) return aliasAddress; else return link->src_addr; @@ -1483,7 +1485,7 @@ FindAliasAddress(struct in_addr original_addr) } else { - if (link->alias_addr.s_addr == 0) + if (link->alias_addr.s_addr == INADDR_ANY) return aliasAddress; else return link->alias_addr; @@ -1601,7 +1603,7 @@ GetStateOut(struct alias_link *link) struct in_addr GetOriginalAddress(struct alias_link *link) { - if (link->src_addr.s_addr == 0) + if (link->src_addr.s_addr == INADDR_ANY) return aliasAddress; else return(link->src_addr); @@ -1618,7 +1620,7 @@ GetDestAddress(struct alias_link *link) struct in_addr GetAliasAddress(struct alias_link *link) { - if (link->alias_addr.s_addr == 0) + if (link->alias_addr.s_addr == INADDR_ANY) return aliasAddress; else return link->alias_addr; @@ -2139,8 +2141,8 @@ PacketAliasInit(void) deleteAllLinks = 0; } - aliasAddress.s_addr = 0; - targetAddress.s_addr = 0; + aliasAddress.s_addr = INADDR_ANY; + targetAddress.s_addr = INADDR_NONE; icmpLinkCount = 0; udpLinkCount = 0; diff --git a/lib/libalias/libalias.3 b/lib/libalias/libalias.3 index df1440c..66acc92 100644 --- a/lib/libalias/libalias.3 +++ b/lib/libalias/libalias.3 @@ -701,9 +701,16 @@ host machine, it will be sent to the address indicated by a call to PacketAliasSetTarget(). If this function is not called, or is called -with a zero address argument, then all new +with a INADDR_NONE address argument, then all new incoming packets go to the address set by PacketAliasSetAddress. + +If this function is called with a INADDR_ANY address +argument, then all new incoming packets go to the +address specified in the packet. +This allows external machines to talk directly to +internal machines if they can route packets to the +machine in question. .Ss 6.2 PacketAliasCheckNewLink() .Ft int |