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25 Commits

Author SHA1 Message Date
Nicholas J. Kain
ddf9daf8e4 Do more boundary and sanity checking when adding dhcp options. 
Simplify parameter list for ifchd_cmd().
 2011-03-30 15:57:01 -04:00
Nicholas J. Kain
0e62d46f8b Explicitly track length in get_end_option_idx(). 
Rename get_options() to get_option_data() and end_options() to
get_end_option_idx().
 2011-03-30 12:04:38 -04:00
Nicholas J. Kain
1437f520ca Rewrite get_option(): new version fixes at least one bug, and is much easier 
to understand and verify as correct.  It also returns the length of the
extracted option.
 2011-03-30 09:35:17 -04:00
Nicholas J. Kain
13d9119f3a Remove dhcpd.h. 2011-03-30 05:55:12 -04:00
Nicholas J. Kain
d96cb14711 Fix stale declaration of arp_check(). 2010-12-24 10:40:46 -05:00
Nicholas J. Kain
c0b699ba88 Rename script.[ch] to ifchange.[ch]. 2010-12-24 10:12:41 -05:00
Nicholas J. Kain
08f7db1637 Rename clientpacket.c to dhcpmsg.c. 2010-12-24 10:01:12 -05:00
Nicholas J. Kain
59a0661eb9 Move change_listen_mode to packet.c. 2010-12-24 09:41:52 -05:00
Nicholas J. Kain
adcc4bdd3d Move dhcp packet reply code to packet.c. 2010-12-24 08:55:59 -05:00
Nicholas J. Kain
fb56a9cb2b Make sure to #include <stddef.h> when using offsetof(). 2010-11-16 17:41:46 -05:00
Nicholas J. Kain
9dce1a0378 Make sure our assigned address is unique on our segment by using arp. 2010-11-15 20:06:50 -05:00
Nicholas J. Kain
4ce4323d00 Replace sizeof(struct dhcpMessage) with DHCP_SIZE. 2010-11-14 02:01:17 -05:00
Nicholas J. Kain
9421da3157 Don't zero-pad kernel-packet sent dhcp packets. 2010-11-14 01:56:54 -05:00
Nicholas J. Kain
f8d856cc0a Don't zero-pad sent raw dhcp packets and clean up packet.c. 2010-11-14 01:53:23 -05:00
Nicholas J. Kain
8401d175a1 Remove a Win98 DHCP client bug workaround from get_packet(). 2010-11-14 01:12:32 -05:00
Nicholas J. Kain
6a3b004eee Specialize init_header() to only handle client packets, move it to 
clientpacket.c, and make it static.
 2010-11-14 00:52:32 -05:00
Nicholas J. Kain
693c9256e4 Add safe_read() to ncmlib and use it in ndhc. 2010-11-13 08:37:33 -05:00
Nicholas J. Kain
a43e69c7ae Factor out safe_write() into ncmlib and use it in ndhc as well. 2010-11-13 08:18:23 -05:00
Nicholas J. Kain
35c4c773cd Remove unnecessary casts from setsockopt(). 
Prevent access to initialized memory in raw_socket()'s bind() call by
using memset().
 2010-11-13 06:13:10 -05:00
Nicholas J. Kain
f59ccfb5b0 In sendto() and write(), make sure all pointer arithmetic is in byte 
sized units.
 2010-11-13 05:59:15 -05:00
Nicholas J. Kain
5f55dbc3ff Fix previous commit -- handle filling empty options properly. 
Clean up pidfile defaults and help message.
Clean up the write/sendto fixes to be a bit more readable.
 2010-11-12 19:43:16 -05:00
Nicholas J. Kain
eb6009a5ee Make write() and sendto() properly handle short writes and errors in ndhc. 
Make ndhc write a pidfile.
Clean up defines.h and split out ifchd and ndhc specifics.
 2010-11-12 18:44:49 -05:00
Nicholas J. Kain
f4a00f3826 Whitespace and indentation normalization. 2010-11-12 14:33:17 -05:00
Nicholas J. Kain
b882669f85 Convert to using shared ncmlib. 2010-11-12 05:42:07 -05:00
Nicholas J. Kain
7a09ba2cf7 Initial commit. 2010-11-12 04:02:18 -05:00