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Author SHA1 Message Date
Nicholas J. Kain
94ad810260 Move timeout and arp handling code out to arpping.c and timeout.c. 2010-12-24 09:32:58 -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
9390e131b6 Move client runtime state structure declaration and flags to config.h. 2010-12-24 07:07:48 -05:00
Nicholas J. Kain
8a3deb3c6a Move dhcp client runtime global state into global struct client_state_t cs. 2010-12-24 07:00:42 -05:00
Nicholas J. Kain
406e316274 Split state machine apart into functions. 2010-12-24 06:31:06 -05:00
Nicholas J. Kain
6772ddac1b Rename dhcpc.h to config.h. 2010-12-24 06:00:37 -05:00
Nicholas J. Kain
d34c5f27b2 Make dhcp client timeout value signed. 
Add DHCP_STATE_NULL = 0 state and make LISTEN_NONE = 0.
 2010-12-23 13:41:25 -05:00
Nicholas J. Kain
c45d116200 Async arp ping now works properly: arp_success() should be called on timeout 
Timeout delta now properly uses signed operators.
listenFd properly initialized to -1.
 2010-12-23 11:34:57 -05:00
Nicholas J. Kain
fa98b4c024 timeout values now have millisecond precision. 2010-12-02 00:15:03 -05:00
Nicholas J. Kain
e37ed0e16b arpping() no longer blocks and address verification via arp is now performed 
asynchronously in the main event loop.
 2010-12-01 23:33:25 -05:00
Nicholas J. Kain
a154f96538 Use epoll() in ndhc. 2010-12-01 13:11:09 -05:00
Nicholas J. Kain
a259640779 Use signalfd() in ndhc. 2010-12-01 12:35:13 -05:00
Nicholas J. Kain
712c8446d6 Update README. 2010-12-01 12:24:47 -05:00
Nicholas J. Kain
f2b4527179 Use epoll() and signalfd() in ifchd. 2010-12-01 12:22:08 -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
5eb3c18b01 Indentation fix. 2010-11-14 08:49:58 -05:00
Nicholas J. Kain
ba553e5d94 Clean up end_option(), and fix a possible off-by-one in the bound check. 2010-11-14 07:50:21 -05:00
Nicholas J. Kain
5a38e49a81 Update get_option() to use the function from busybox's udhcp variant; 
it's much easier to read.  The original one is indecipherable, and thus
it is difficult to verify correctness.
 2010-11-14 03:41:36 -05:00
Nicholas J. Kain
1ffd1d9df3 Replace 308 with DHCP_OPTIONS_BUFSIZE in options.c. 2010-11-14 02:02:32 -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
0661f4371b Untabify and reindent packet.h. 2010-11-14 00:54:05 -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
1cc648b5ad Clean up and comment listen_socket(). 2010-11-14 00:46:02 -05:00
Nicholas J. Kain
86ef084835 Clean up parameter names and comment read_interface(). 2010-11-14 00:41:32 -05:00
Nicholas J. Kain
987ba12982 Enforce upper and lower sanity bounds on lease times. 
Add some comments.
 2010-11-13 19:37:08 -05:00
Nicholas J. Kain
aaca1ab6ef Formatting fixes. 2010-11-13 19:14:16 -05:00
Nicholas J. Kain
675b527aac Remove some unnecessary memset() and an unused buffer in bound_if(). 2010-11-13 19:07:00 -05:00
Nicholas J. Kain
00ec886737 Ident fix. 2010-11-13 19:04:28 -05:00
Nicholas J. Kain
ef3a69e00e Clean up an unnecessary buffer in perform_release(). 2010-11-13 18:49:46 -05:00
Nicholas J. Kain
f34fac92bd Remove bashism from the gentoo net script. 2010-11-13 16:12:17 -05:00
Nicholas J. Kain
75206dce13 Check for failure in creating listen sockets in change_listen_mode(). 2010-11-13 12:34:22 -05:00
Nicholas J. Kain
faa56bb616 Make change_listen_mode() create a new socket instantly rather than 
waiting for select loop to cycle again.  Works better in practice
and simplifies the select loop, too.
 2010-11-13 12:30:54 -05:00
Nicholas J. Kain
ccae6e4c8a Clean up unnecessary goto exit handler in raw_socket(). 2010-11-13 12:11:28 -05:00
Nicholas J. Kain
028d3b7bae Clean up send_renew() a bit. 2010-11-13 12:00:06 -05:00
Nicholas J. Kain
a79d86609b Wrap raw_packet() with specialized bcast_raw_packet(). 2010-11-13 11:42:26 -05:00
Nicholas J. Kain
9f7fe1de8b Use BPF to filter input on raw sockets. 2010-11-13 11:18:07 -05:00
Nicholas J. Kain
71a3603934 Finish cleaning up get_raw_packet(). Use offsetof() to make UDP 
checksum verification a bit more compact.
 2010-11-13 08:47:07 -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
edf3b02b6a Fix header include guards to not use leading underscores. 2010-11-13 06:51:57 -05:00
Nicholas J. Kain
336a54fa47 Clean dhcpd.h. 2010-11-13 06:48:50 -05:00
Nicholas J. Kain
bb5446cf02 Remove leases.h. 2010-11-13 06:45:34 -05:00
Nicholas J. Kain
a059b5bd13 Clean up 'unsigned long' used with the assumption that long == 32-bit. 2010-11-13 06:42:52 -05:00
Nicholas J. Kain
8d9cc0bdb4 Remove unused attach_option() from options.c. 2010-11-13 06:28:03 -05:00
Nicholas J. Kain
431bb5d11e Clean up paren use with sizeof and & in clientpacket.c. 2010-11-13 06:22:22 -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