cvs commit: src/sys/netinet udp_usrreq.c

Bruce M Simpson bms at FreeBSD.org
Tue Mar 13 22:12:33 UTC 2007


bms         2007-03-13 22:12:23 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/netinet          udp_usrreq.c 
  Log:
  MFC rev 1.203:
    Fix IP_SENDSRCADDR semantics.
  
     * To use this option with a UDP socket, it must be bound to a local port,
       and INADDR_ANY, to disallow possible collisions with existing udp inpcbs
       bound to the same port on other interfaces at send time.
  
     * If the socket is bound to INADDR_ANY, specifying IP_SENDSRCADDR with
       INADDR_ANY will be rejected as it is ambiguous.
  
     * If the socket is bound to an address other than INADDR_ANY, specifying
       IP_SENDSRCADDR with INADDR_ANY will be disallowed by in_pcbbind_setup().
  
  Reviewed by:    silence on -net
  Tested with:    src/tools/regression/netinet/ipbroadcast
  
  Revision    Changes    Path
  1.175.2.10  +11 -4     src/sys/netinet/udp_usrreq.c


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