diff options
Diffstat (limited to 'src/customdhcpcd/dhcp.h')
| -rw-r--r-- | src/customdhcpcd/dhcp.h | 191 |
1 files changed, 96 insertions, 95 deletions
diff --git a/src/customdhcpcd/dhcp.h b/src/customdhcpcd/dhcp.h index ef97b75..019d3b3 100644 --- a/src/customdhcpcd/dhcp.h +++ b/src/customdhcpcd/dhcp.h @@ -1,4 +1,4 @@ -/* +/* * dhcpcd - DHCP client daemon * Copyright 2006-2008 Roy Marples <roy@marples.name> * All rights reserved @@ -65,105 +65,106 @@ /* DHCP options */ enum DHCP_OPTIONS { - DHCP_PAD = 0, - DHCP_NETMASK = 1, - DHCP_TIMEROFFSET = 2, - DHCP_ROUTERS = 3, - DHCP_TIMESERVER = 4, - DHCP_NAMESERVER = 5, - DHCP_DNSSERVER = 6, - DHCP_LOGSERVER = 7, - DHCP_COOKIESERVER = 8, - DHCP_HOSTNAME = 12, - DHCP_DNSDOMAIN = 15, - DHCP_ROOTPATH = 17, - DHCP_DEFAULTIPTTL = 23, - DHCP_MTU = 26, - DHCP_BROADCAST = 28, - DHCP_MASKDISCOVERY = 29, - DHCP_ROUTERDISCOVERY = 31, - DHCP_STATICROUTE = 33, - DHCP_NISDOMAIN = 40, - DHCP_NISSERVER = 41, - DHCP_NTPSERVER = 42, - DHCP_ADDRESS = 50, - DHCP_LEASETIME = 51, - DHCP_OPTIONSOVERLOADED = 52, - DHCP_MESSAGETYPE = 53, - DHCP_SERVERIDENTIFIER = 54, - DHCP_PARAMETERREQUESTLIST = 55, - DHCP_MESSAGE = 56, - DHCP_MAXMESSAGESIZE = 57, - DHCP_RENEWALTIME = 58, - DHCP_REBINDTIME = 59, - DHCP_CLASSID = 60, - DHCP_CLIENTID = 61, - DHCP_USERCLASS = 77, /* RFC 3004 */ - DHCP_FQDN = 81, - DHCP_DNSSEARCH = 119, /* RFC 3397 */ - DHCP_SIPSERVER = 120, /* RFC 3361 */ - DHCP_CSR = 121, /* RFC 3442 */ - DHCP_MSCSR = 249, /* MS code for RFC 3442 */ - DHCP_END = 255 + DHCP_PAD = 0, + DHCP_NETMASK = 1, + DHCP_TIMEROFFSET = 2, + DHCP_ROUTERS = 3, + DHCP_TIMESERVER = 4, + DHCP_NAMESERVER = 5, + DHCP_DNSSERVER = 6, + DHCP_LOGSERVER = 7, + DHCP_COOKIESERVER = 8, + DHCP_HOSTNAME = 12, + DHCP_DNSDOMAIN = 15, + DHCP_ROOTPATH = 17, + DHCP_DEFAULTIPTTL = 23, + DHCP_MTU = 26, + DHCP_BROADCAST = 28, + DHCP_MASKDISCOVERY = 29, + DHCP_ROUTERDISCOVERY = 31, + DHCP_STATICROUTE = 33, + DHCP_NISDOMAIN = 40, + DHCP_NISSERVER = 41, + DHCP_NTPSERVER = 42, + DHCP_ADDRESS = 50, + DHCP_LEASETIME = 51, + DHCP_OPTIONSOVERLOADED = 52, + DHCP_MESSAGETYPE = 53, + DHCP_SERVERIDENTIFIER = 54, + DHCP_PARAMETERREQUESTLIST = 55, + DHCP_MESSAGE = 56, + DHCP_MAXMESSAGESIZE = 57, + DHCP_RENEWALTIME = 58, + DHCP_REBINDTIME = 59, + DHCP_CLASSID = 60, + DHCP_CLIENTID = 61, + DHCP_USERCLASS = 77, /* RFC 3004 */ + DHCP_FQDN = 81, + DHCP_DNSSEARCH = 119, /* RFC 3397 */ + DHCP_SIPSERVER = 120, /* RFC 3361 */ + DHCP_CSR = 121, /* RFC 3442 */ + DHCP_MSCSR = 249, /* MS code for RFC 3442 */ + DHCP_END = 255 }; /* SetFQDNHostName values - lsnybble used in flags * byte (see buildmsg.c), hsnybble to create order * and to allow 0x00 to mean disable */ -enum FQQN { - FQDN_DISABLE = 0x00, - FQDN_NONE = 0x18, - FQDN_PTR = 0x20, - FQDN_BOTH = 0x31 +enum FQQN +{ + FQDN_DISABLE = 0x00, + FQDN_NONE = 0x18, + FQDN_PTR = 0x20, + FQDN_BOTH = 0x31 }; typedef struct fqdn_t { - uint8_t flags; - uint8_t r1; - uint8_t r2; - char *name; + uint8_t flags; + uint8_t r1; + uint8_t r2; + char *name; } fqdn_t; typedef struct dhcp_t { - char version[11]; + char version[11]; - struct in_addr serveraddress; - char serverhw[IF_NAMESIZE]; - char servername[64]; + struct in_addr serveraddress; + char serverhw[IF_NAMESIZE]; + char servername[64]; - struct in_addr address; - struct in_addr netmask; - struct in_addr broadcast; - unsigned short mtu; + struct in_addr address; + struct in_addr netmask; + struct in_addr broadcast; + unsigned short mtu; - uint32_t leasedfrom; - uint32_t leasetime; - uint32_t renewaltime; - uint32_t rebindtime; + uint32_t leasedfrom; + uint32_t leasetime; + uint32_t renewaltime; + uint32_t rebindtime; - struct route_head *routes; + struct route_head *routes; - char *hostname; - fqdn_t *fqdn; + char *hostname; + fqdn_t *fqdn; - struct address_head *dnsservers; - char *dnsdomain; - char *dnssearch; + struct address_head *dnsservers; + char *dnsdomain; + char *dnssearch; - struct address_head *ntpservers; + struct address_head *ntpservers; - struct address_head *nisservers; - char *nisdomain; + struct address_head *nisservers; + char *nisdomain; - char *sipservers; + char *sipservers; - char *message; - char *rootpath; + char *message; + char *rootpath; - bool frominfo; + bool frominfo; } dhcp_t; /* Sizes for DHCP options */ @@ -183,33 +184,33 @@ typedef struct dhcp_t typedef struct dhcpmessage_t { - unsigned char op; /* message type */ - unsigned char hwtype; /* hardware address type */ - unsigned char hwlen; /* hardware address length */ - unsigned char hwopcount; /* should be zero in client message */ - uint32_t xid; /* transaction id */ - uint16_t secs; /* elapsed time in sec. from boot */ - uint16_t flags; - uint32_t ciaddr; /* (previously allocated) client IP */ - uint32_t yiaddr; /* 'your' client IP address */ - uint32_t siaddr; /* should be zero in client's messages */ - uint32_t giaddr; /* should be zero in client's messages */ - unsigned char chaddr[DHCP_CHADDR_LEN]; /* client's hardware address */ - unsigned char servername[SERVERNAME_LEN]; /* server host name */ - unsigned char bootfile[BOOTFILE_LEN]; /* boot file name */ - uint32_t cookie; - unsigned char options[DHCP_OPTION_LEN]; /* message options - cookie */ + unsigned char op; /* message type */ + unsigned char hwtype; /* hardware address type */ + unsigned char hwlen; /* hardware address length */ + unsigned char hwopcount; /* should be zero in client message */ + uint32_t xid; /* transaction id */ + uint16_t secs; /* elapsed time in sec. from boot */ + uint16_t flags; + uint32_t ciaddr; /* (previously allocated) client IP */ + uint32_t yiaddr; /* 'your' client IP address */ + uint32_t siaddr; /* should be zero in client's messages */ + uint32_t giaddr; /* should be zero in client's messages */ + unsigned char chaddr[DHCP_CHADDR_LEN]; /* client's hardware address */ + unsigned char servername[SERVERNAME_LEN]; /* server host name */ + unsigned char bootfile[BOOTFILE_LEN]; /* boot file name */ + uint32_t cookie; + unsigned char options[DHCP_OPTION_LEN]; /* message options - cookie */ } dhcpmessage_t; struct udp_dhcp_packet { - struct ip ip; - struct udphdr udp; - dhcpmessage_t dhcp; + struct ip ip; + struct udphdr udp; + dhcpmessage_t dhcp; }; ssize_t send_message (const interface_t *iface, const dhcp_t *dhcp, - uint32_t xid, char type, const options_t *options); + uint32_t xid, char type, const options_t *options); void free_dhcp (dhcp_t *dhcp); int parse_dhcpmessage (dhcp_t *dhcp, const dhcpmessage_t *message); #endif |