Date: Mon, 20 Oct 2003 10:57:12 -0700 From: Lars Eggert <larse@ISI.EDU> To: sarat chandra Annadata <saratchandra_a@yahoo.com> Cc: julian@elischer.org Subject: Re: Help Broadcasting a UDP packet on the LAN:URGENT Message-ID: <3F9421F8.7050101@isi.edu> In-Reply-To: <20031020174751.60464.qmail@web20805.mail.yahoo.com> References: <20031020174751.60464.qmail@web20805.mail.yahoo.com>
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[-- Attachment #1 --] W. Richard Stevens UNIX Network Programming Prentice Hall sarat chandra Annadata wrote: > Hai, > I am need of some urgent techinical help to pull me out of a little problem. I have been > trying to broadcast a UDP packet(actually it is a DHCP offer packet) but > havent' successfully done it sofar. The following is the descripttion > about how I have been trying to do it. > 1) I am creating a socket with sock_dgram option. > 2)Next I am filling up the sockaddr_in structure, with IP address > 255.255.255.255 and port number as DHCP client port number. > 3)I am using the setsockopt call with at SOL_SOCKET level, with > SO_BROADCAST FLAG. > This call is not successfully returning. > moreover I am successfully setting the flag at the IP-level in either > case my send or sendto system calls fail. > > I want some guidance regarding this, I want to use only socket > interface, in UNIX with C. > Please pull me out of this, and I shall be grateful to you. > A working piece of code will be of great help > Thank you, > > Sincerely > Sarat Chandra. > > > --------------------------------- > Do you Yahoo!? > The New Yahoo! Shopping - with improved product search > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute [-- Attachment #2 --] 0 *H 01 0 + 0 *H 080fErtcvE.0 *H 01 0 UZA10U Western Cape10U Cape Town10U Thawte Consulting1(0&U Certification Services Division1$0"UThawte Personal Freemail CA1+0) *H personal-freemail@thawte.com0 000830000000Z 040827235959Z01 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.3000 *H 0 32c %E>nx'gڈD)c5*mp<ܮto034qmOe KaU5u'rװ |CBPQ<9TIf - ki N0L0)U "0 0 10UPrivateLabel1-2970U 0 0 U 0 *H 1KG]qSl]y=&b""I'{9$ *8PUl LGl X1B li+@]jy.%݊ Z<D&iHΥbb090 vo0 *H 01 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.300 030801172929Z 040731172929Z0T10 UEggert1 0 U*Lars10U Lars Eggert1 0 *H larse@isi.edu0"0 *H 0 >ן~H(ԢGV׆־25B03ݰת^RIH =%J kA^R)y H80P ~qrU|c~\;ҋ^哪 !֍ &d@Cd"O"f$FrGe|r<z"%h+Z`3<}̘}9ʮcnb6RX ٫e~XgK7,ìEYU? V0T0*+e!0 00L2uMyffBNUbNJJcdZ2s0U 0 larse@isi.edu0 U 0 0 *H 5Kkt[@ jj:Fg Xj (8yPo!})5M[ ش]wʼnQd!GyFRiKd!8h\7γSD`a[qiY+Gqn?!090 vo0 *H 01 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.300 030801172929Z 040731172929Z0T10 UEggert1 0 U*Lars10U Lars Eggert1 0 *H larse@isi.edu0"0 *H 0 >ן~H(ԢGV׆־25B03ݰת^RIH =%J kA^R)y H80P ~qrU|c~\;ҋ^哪 !֍ &d@Cd"O"f$FrGe|r<z"%h+Z`3<}̘}9ʮcnb6RX ٫e~XgK7,ìEYU? V0T0*+e!0 00L2uMyffBNUbNJJcdZ2s0U 0 larse@isi.edu0 U 0 0 *H 5Kkt[@ jj:Fg Xj (8yPo!})5M[ ش]wʼnQd!GyFRiKd!8h\7γSD`a[qiY+Gqn?!10001 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.30 vo0 + 0 *H 1 *H 0 *H 1 031020175712Z0# *H 1B5D0ngU 0R *H 1E0C0 *H 0*H 0 *H @0+0 *H (0 +71001 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.30 vo0 *H 101 0 UZA10U Western Cape10U Cape Town10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 2000.8.30 vo0 *H &O a @b[Y<vrV˹MTTurmp r01ꏀ> HV"H* Q頔*I<nZ/3[JcOL+05`#7eA T4N"4=>+=οE )_p"_;xr_-9PL>iCr oFFՠD]Zh5O ~>Qox%trtȏk
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