diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libalias/Makefile | 2 | ||||
| -rw-r--r-- | lib/libalias/alias.c | 6 | ||||
| -rw-r--r-- | lib/libalias/alias.h | 1 | ||||
| -rw-r--r-- | lib/libalias/alias_db.c | 8 | ||||
| -rw-r--r-- | lib/libalias/alias_local.h | 4 | ||||
| -rw-r--r-- | lib/libalias/libalias.3 | 10 |
6 files changed, 30 insertions, 1 deletions
diff --git a/lib/libalias/Makefile b/lib/libalias/Makefile index bf26f05..f262be1 100644 --- a/lib/libalias/Makefile +++ b/lib/libalias/Makefile @@ -5,7 +5,7 @@ SHLIBDIR?= /lib SHLIB_MAJOR= 4 MAN= libalias.3 SRCS= alias.c alias_cuseeme.c alias_db.c alias_ftp.c alias_irc.c \ - alias_nbt.c alias_pptp.c alias_proxy.c alias_smedia.c \ + alias_nbt.c alias_pptp.c alias_proxy.c alias_skinny.c alias_smedia.c \ alias_util.c INCS= alias.h diff --git a/lib/libalias/alias.c b/lib/libalias/alias.c index 54839ff..cf93a74 100644 --- a/lib/libalias/alias.c +++ b/lib/libalias/alias.c @@ -917,6 +917,9 @@ TcpAliasIn(struct ip *pip) if (ntohs(tc->th_dport) == PPTP_CONTROL_PORT_NUMBER || ntohs(tc->th_sport) == PPTP_CONTROL_PORT_NUMBER) AliasHandlePptpIn(pip, link); + else if (skinnyPort != 0 && (ntohs(tc->th_dport) == skinnyPort + || ntohs(tc->th_sport) == skinnyPort)) + AliasHandleSkinny(pip, link); alias_address = GetAliasAddress(link); original_address = GetOriginalAddress(link); @@ -1098,6 +1101,9 @@ TcpAliasOut(struct ip *pip, int maxpacketsize) else if (ntohs(tc->th_dport) == PPTP_CONTROL_PORT_NUMBER || ntohs(tc->th_sport) == PPTP_CONTROL_PORT_NUMBER) AliasHandlePptpOut(pip, link); + else if (skinnyPort != 0 && (ntohs(tc->th_sport) == skinnyPort + || ntohs(tc->th_dport) == skinnyPort)) + AliasHandleSkinny(pip, link); /* Adjust TCP checksum since source port is being aliased */ /* and source address is being altered */ diff --git a/lib/libalias/alias.h b/lib/libalias/alias.h index eb35bf7..b0c75c9 100644 --- a/lib/libalias/alias.h +++ b/lib/libalias/alias.h @@ -45,6 +45,7 @@ void PacketAliasInit(void); void PacketAliasSetAddress(struct in_addr _addr); void PacketAliasSetFWBase(unsigned int _base, unsigned int _num); +void PacketAliasSetSkinnyPort(unsigned int _port); unsigned int PacketAliasSetMode(unsigned int _flags, unsigned int _mask); void PacketAliasUninit(void); diff --git a/lib/libalias/alias_db.c b/lib/libalias/alias_db.c index ec25070..e53e94d 100644 --- a/lib/libalias/alias_db.c +++ b/lib/libalias/alias_db.c @@ -398,6 +398,9 @@ static int fireWallFD = -1; /* File descriptor to be able to */ /* flag. */ #endif +unsigned int skinnyPort = 0; /* TCP port used by the Skinny */ + /* protocol. */ + @@ -2948,3 +2951,8 @@ PacketAliasSetFWBase(unsigned int base, unsigned int num) { fireWallNumNums = num; #endif } + +void +PacketAliasSetSkinnyPort(unsigned int port) { + skinnyPort = port; +} diff --git a/lib/libalias/alias_local.h b/lib/libalias/alias_local.h index 4428d2a..d207f9f 100644 --- a/lib/libalias/alias_local.h +++ b/lib/libalias/alias_local.h @@ -74,6 +74,7 @@ /* Globals */ extern int packetAliasMode; +extern unsigned int skinnyPort; /* Prototypes */ @@ -212,6 +213,9 @@ int AliasHandleUdpNbtNS(struct ip *_pip, struct alias_link *_link, void AliasHandleCUSeeMeOut(struct ip *_pip, struct alias_link *_link); void AliasHandleCUSeeMeIn(struct ip *_pip, struct in_addr _original_addr); +/* Skinny routines */ +void AliasHandleSkinny(struct ip *_pip, struct alias_link *_link); + /* Transparent proxy routines */ int ProxyCheck(struct ip *_pip, struct in_addr *_proxy_server_addr, u_short *_proxy_server_port); diff --git a/lib/libalias/libalias.3 b/lib/libalias/libalias.3 index a75cd2b..e5ef09e 100644 --- a/lib/libalias/libalias.3 +++ b/lib/libalias/libalias.3 @@ -265,6 +265,16 @@ Set firewall range allocated for punching firewall holes (with the flag). The range will be cleared for all rules on initialization. .Ed +.Pp +.Ft void +.Fn PacketAliasSkinnyPort "unsigned int port" +.Bd -ragged -offset indent +Set the TCP port used by the Skinny Station protocol. +Skinny is used by Cisco IP phones to communicate with +Cisco Call Managers to set up voice over IP calls. +If this is not set, Skinny aliasing will not be done. +The typical port used by Skinny is 2000. +.Ed .Sh PACKET HANDLING The packet handling functions are used to modify incoming (remote to local) and outgoing (local to remote) packets. |
