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Added TFTP support. 

Submitted by:	Joe Clarke <marcus@marcuscom.com>
MFC after:	2 weeks
This commit is contained in:
Ruslan Ermilov 2001-08-21 16:25:38 +00:00
parent 65c7e9c195
commit d86293dbea
2 changed files with 18 additions and 0 deletions
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9
lib/libalias/alias.c
View File

@ -134,6 +134,7 @@
#define CUSEEME_PORT_NUMBER 7648
#define RTSP_CONTROL_PORT_NUMBER_1 554
#define RTSP_CONTROL_PORT_NUMBER_2 7070
#define TFTP_PORT_NUMBER 69
#define PPTP_CONTROL_PORT_NUMBER 1723
@ -837,6 +838,14 @@ UdpAliasOut(struct ip *pip)
|| ntohs(ud->uh_sport) == NETBIOS_NS_PORT_NUMBER)
AliasHandleUdpNbtNS(pip, link, &pip->ip_src, &ud->uh_sport,
&alias_address, &alias_port);
/*
* We don't know in advance what TID the TFTP server will choose,
* so we create a wilcard link (destination port is unspecified)
* that will match any TID from a given destination.
*/
else if (ntohs(ud->uh_dport) == TFTP_PORT_NUMBER)
FindRtspOut(pip->ip_src, pip->ip_dst,
ud->uh_sport, alias_port, IPPROTO_UDP);
/* If UDP checksum is not zero, adjust since source port is */
/* being aliased and source address is being altered */

9
sys/netinet/libalias/alias.c
View File

@ -134,6 +134,7 @@
#define CUSEEME_PORT_NUMBER 7648
#define RTSP_CONTROL_PORT_NUMBER_1 554
#define RTSP_CONTROL_PORT_NUMBER_2 7070
#define TFTP_PORT_NUMBER 69
#define PPTP_CONTROL_PORT_NUMBER 1723
@ -837,6 +838,14 @@ UdpAliasOut(struct ip *pip)
|| ntohs(ud->uh_sport) == NETBIOS_NS_PORT_NUMBER)
AliasHandleUdpNbtNS(pip, link, &pip->ip_src, &ud->uh_sport,
&alias_address, &alias_port);
/*
* We don't know in advance what TID the TFTP server will choose,
* so we create a wilcard link (destination port is unspecified)
* that will match any TID from a given destination.
*/
else if (ntohs(ud->uh_dport) == TFTP_PORT_NUMBER)
FindRtspOut(pip->ip_src, pip->ip_dst,
ud->uh_sport, alias_port, IPPROTO_UDP);
/* If UDP checksum is not zero, adjust since source port is */
/* being aliased and source address is being altered */