emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

udhcpd: untangle incredibly messy handling of DHCPREQUEST

Browse Source 
Also fixes attacks possible via DHCPDECLINE / DHCPRELEASE

function                                             old     new   delta
udhcpd_main                                         1846    1949    +103
send_renew                                           105     142     +37
send_NAK                                              61       -     -61
send_ACK                                             180       -    -180
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 2/0 up/down: 140/-241)         Total: -101 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2010-03-21 06:15:28 +01:00
parent 2e7aa92836
commit c7dc79e71d
9 changed files with 268 additions and 185 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
networking/udhcp/dhcpc.h
View File

@ -40,7 +40,6 @@ int send_select(uint32_t xid, uint32_t server, uint32_t requested) FAST_FUNC;
int send_decline(uint32_t xid, uint32_t server, uint32_t requested) FAST_FUNC;
#endif
int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr) FAST_FUNC;
int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr) FAST_FUNC;
int send_release(uint32_t server, uint32_t ciaddr) FAST_FUNC;
int udhcp_recv_raw_packet(struct dhcp_packet *dhcp_pkt, int fd) FAST_FUNC;