memcpy (ar_sha (&arp.ah), &iface->hwaddr, arp.ah.ar_hln);
memcpy (ar_tpa (&arp.ah), &address, arp.ah.ar_pln);
- logger (LOG_INFO, "checking %s is available on attached networks", inet_ntoa
- (address));
+ logger (LOG_INFO, "checking %s is available on attached networks",
+ inet_ntoa (address));
open_socket (iface, true);
send_packet (iface, ETHERTYPE_ARP, (unsigned char *) &arp.buffer,
#include "socket.h"
static const char *dhcp_message[] = {
- [DHCP_DISCOVER] = "DHCP_DISCOVER",
- [DHCP_OFFER] = "DHCP_OFFER",
- [DHCP_REQUEST] = "DHCP_REQUEST",
- [DHCP_DECLINE] = "DHCP_DECLINE",
- [DHCP_ACK] = "DHCP_ACK",
- [DHCP_NAK] = "DHCP_NAK",
- [DHCP_RELEASE] = "DHCP_RELEASE",
- [DHCP_INFORM] = "DHCP_INFORM",
- [DHCP_INFORM + 1] = NULL
+ [DHCP_DISCOVER] = "DHCP_DISCOVER",
+ [DHCP_OFFER] = "DHCP_OFFER",
+ [DHCP_REQUEST] = "DHCP_REQUEST",
+ [DHCP_DECLINE] = "DHCP_DECLINE",
+ [DHCP_ACK] = "DHCP_ACK",
+ [DHCP_NAK] = "DHCP_NAK",
+ [DHCP_RELEASE] = "DHCP_RELEASE",
+ [DHCP_INFORM] = "DHCP_INFORM",
+ [DHCP_INFORM + 1] = NULL
};
size_t send_message (const interface_t *iface, const dhcp_t *dhcp,
p += 2;
}
-#define PUTADDR(_type, _val) { \
+#define PUTADDR(_type, _val) \
+ { \
*p++ = _type; \
*p++ = 4; \
memcpy (p, &_val.s_addr, 4); \
strlcpy (dhcp->servername, message->servername,
sizeof (dhcp->servername));
-#define LEN_ERR { \
+#define LEN_ERR \
+ { \
logger (LOG_ERR, "invalid length %d for option %d", length, option); \
p += length; \
continue; \
/* Max MTU - defines dhcp option length */
-#define MTU_MAX 1500
-#define MTU_MIN 576
+#define MTU_MAX 1500
+#define MTU_MIN 576
/* UDP port numbers for DHCP */
-#define DHCP_SERVER_PORT 67
-#define DHCP_CLIENT_PORT 68
+#define DHCP_SERVER_PORT 67
+#define DHCP_CLIENT_PORT 68
-#define MAGIC_COOKIE 0x63825363
-#define BROADCAST_FLAG 0x8000
+#define MAGIC_COOKIE 0x63825363
+#define BROADCAST_FLAG 0x8000
/* DHCP message OP code */
-#define DHCP_BOOTREQUEST 1
-#define DHCP_BOOTREPLY 2
+#define DHCP_BOOTREQUEST 1
+#define DHCP_BOOTREPLY 2
/* DHCP message type */
-#define DHCP_DISCOVER 1
-#define DHCP_OFFER 2
-#define DHCP_REQUEST 3
-#define DHCP_DECLINE 4
-#define DHCP_ACK 5
-#define DHCP_NAK 6
-#define DHCP_RELEASE 7
-#define DHCP_INFORM 8
+#define DHCP_DISCOVER 1
+#define DHCP_OFFER 2
+#define DHCP_REQUEST 3
+#define DHCP_DECLINE 4
+#define DHCP_ACK 5
+#define DHCP_NAK 6
+#define DHCP_RELEASE 7
+#define DHCP_INFORM 8
/* 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_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_CSR = 121, /* 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_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_CSR = 121, /* RFC 3442 */
+ DHCP_END = 255
};
/* SetFQDNHostName values - lsnybble used in flags
* and to allow 0x00 to mean disable
*/
enum FQQN {
- FQDN_DISABLE = 0x00,
- FQDN_NONE = 0x18,
- FQDN_PTR = 0x20,
- FQDN_BOTH = 0x31
+ FQDN_DISABLE = 0x00,
+ FQDN_NONE = 0x18,
+ FQDN_PTR = 0x20,
+ FQDN_BOTH = 0x31
};
typedef struct fqdn_t
/* Sizes for DHCP options */
-#define DHCP_CHADDR_LEN 16
-#define SERVERNAME_LEN 64
-#define BOOTFILE_LEN 128
-#define DHCP_UDP_LEN (20 + 8)
-#define DHCP_BASE_LEN (4 + 4 + 2 + 2 + 4 + 4 + 4 + 4 + 4)
-#define DHCP_RESERVE_LEN (4 + 4 + 4 + 4 + 2)
-#define DHCP_FIXED_LEN (DHCP_BASE_LEN + DHCP_CHADDR_LEN + \
- + SERVERNAME_LEN + BOOTFILE_LEN)
-#define DHCP_OPTION_LEN (MTU_MAX - DHCP_FIXED_LEN - DHCP_UDP_LEN \
- - DHCP_RESERVE_LEN)
+#define DHCP_CHADDR_LEN 16
+#define SERVERNAME_LEN 64
+#define BOOTFILE_LEN 128
+#define DHCP_UDP_LEN (20 + 8)
+#define DHCP_BASE_LEN (4 + 4 + 2 + 2 + 4 + 4 + 4 + 4 + 4)
+#define DHCP_RESERVE_LEN (4 + 4 + 4 + 4 + 2)
+#define DHCP_FIXED_LEN (DHCP_BASE_LEN + DHCP_CHADDR_LEN + \
+ + SERVERNAME_LEN + BOOTFILE_LEN)
+#define DHCP_OPTION_LEN (MTU_MAX - DHCP_FIXED_LEN - DHCP_UDP_LEN \
+ - DHCP_RESERVE_LEN)
/* Some crappy DHCP servers require the BOOTP minimum length */
-#define BOOTP_MESSAGE_LENTH_MIN 300
+#define BOOTP_MESSAGE_LENTH_MIN 300
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's message */
- int32_t xid; /* transaction id */
- int16_t secs; /* elapsed time in sec. from trying to boot */
+ 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 */
+ int32_t xid; /* transaction id */
+ int16_t secs; /* elapsed time in sec. from boot */
int16_t flags;
- int32_t ciaddr; /* (previously allocated) client IP address */
- int32_t yiaddr; /* 'your' client IP address */
- int32_t siaddr; /* should be zero in client's messages */
- int32_t giaddr; /* should be zero in client's messages */
- unsigned char chaddr[DHCP_CHADDR_LEN]; /* client's hardware address */
- char servername[SERVERNAME_LEN]; /* server host name, null terminated string */
- char bootfile[BOOTFILE_LEN]; /* boot file name, null terminated string */
+ int32_t ciaddr; /* (previously allocated) client IP */
+ int32_t yiaddr; /* 'your' client IP address */
+ int32_t siaddr; /* should be zero in client's messages */
+ int32_t giaddr; /* should be zero in client's messages */
+ unsigned char chaddr[DHCP_CHADDR_LEN]; /* client's hardware address */
+ char servername[SERVERNAME_LEN]; /* server host name */
+ char bootfile[BOOTFILE_LEN]; /* boot file name */
uint32_t cookie;
- unsigned char options[DHCP_OPTION_LEN]; /* message options - cookie */
+ unsigned char options[DHCP_OPTION_LEN]; /* message options - cookie */
} dhcpmessage_t;
struct udp_dhcp_packet
static void usage ()
{
printf ("usage: "PACKAGE" [-adknpGHMNRY] [-c script] [-h hostame] [-i classID]\n"
- " [-l leasetime] [-m metric] [-s ipaddress] [-t timeout]\n"
- " [-u userclass] [-F [none | ptr | both]] [-I clientID]\n");
+ " [-l leasetime] [-m metric] [-s ipaddress] [-t timeout]\n"
+ " [-u userclass] [-F [none | ptr | both]] [-I clientID]\n");
}
int main(int argc, char **argv)
int debug = 0;
const struct option longopts[] = {
- {"arp", no_argument, NULL, 'a'},
- {"script",required_argument, NULL, 'c'},
- {"debug", no_argument, NULL, 'd'},
- {"hostname", required_argument, NULL, 'h'},
- {"classid", required_argument, NULL, 'i'},
- {"release", no_argument, NULL, 'k'},
- {"leasetime", required_argument, NULL, 'l'},
- {"metric", required_argument, NULL, 'm'},
- {"renew", no_argument, NULL, 'n'},
- {"persistent", no_argument, NULL, 'p'},
- {"request", required_argument, NULL, 's'},
- {"timeout", required_argument, NULL, 't'},
- {"userclass", required_argument, NULL, 'u'},
- {"fqdn", optional_argument, NULL, 'F'},
- {"nogateway", no_argument, NULL, 'G'},
- {"sethostname", no_argument, NULL, 'H'},
- {"clientid", required_argument, NULL, 'I'},
- {"nomtu", no_argument, NULL, 'M'},
- {"nontp", no_argument, NULL, 'N'},
- {"nodns", no_argument, NULL, 'R'},
- {"nonis", no_argument, NULL, 'Y'},
- {"help", no_argument, &dohelp, 1},
- {"version", no_argument, &doversion, 1},
- {NULL, 0, NULL, 0}
+ {"arp", no_argument, NULL, 'a'},
+ {"script", required_argument, NULL, 'c'},
+ {"debug", no_argument, NULL, 'd'},
+ {"hostname", required_argument, NULL, 'h'},
+ {"classid", required_argument, NULL, 'i'},
+ {"release", no_argument, NULL, 'k'},
+ {"leasetime", required_argument, NULL, 'l'},
+ {"metric", required_argument, NULL, 'm'},
+ {"renew", no_argument, NULL, 'n'},
+ {"persistent", no_argument, NULL, 'p'},
+ {"request", required_argument, NULL, 's'},
+ {"timeout", required_argument, NULL, 't'},
+ {"userclass", required_argument, NULL, 'u'},
+ {"fqdn", optional_argument, NULL, 'F'},
+ {"nogateway", no_argument, NULL, 'G'},
+ {"sethostname", no_argument, NULL, 'H'},
+ {"clientid", required_argument, NULL, 'I'},
+ {"nomtu", no_argument, NULL, 'M'},
+ {"nontp", no_argument, NULL, 'N'},
+ {"nodns", no_argument, NULL, 'R'},
+ {"nonis", no_argument, NULL, 'Y'},
+ {"help", no_argument, &dohelp, 1},
+ {"version", no_argument, &doversion, 1},
+ {NULL, 0, NULL, 0}
};
/* Sanitize our fd's */
#include "common.h"
-#define DEFAULT_TIMEOUT 20
-#define DEFAULT_LEASETIME 3600 /* 1 hour */
+#define DEFAULT_TIMEOUT 20
+#define DEFAULT_LEASETIME 3600 /* 1 hour */
-#define CLASS_ID_MAX_LEN 48
-#define CLIENT_ID_MAX_LEN 48
-#define HOSTNAME_MAX_LEN 255
-#define USERCLASS_MAX_LEN 255
+#define CLASS_ID_MAX_LEN 48
+#define CLIENT_ID_MAX_LEN 48
+#define HOSTNAME_MAX_LEN 255
+#define USERCLASS_MAX_LEN 255
typedef struct options_t {
char interface[IF_NAMESIZE];
static char logprefix[12] = {0};
static const char *syslog_level_msg[] = {
- [LOG_EMERG] = "EMERGENCY!",
- [LOG_ALERT] = "ALERT!",
- [LOG_CRIT] = "Critical!",
- [LOG_WARNING] = "Warning",
- [LOG_ERR] = "Error",
- [LOG_INFO] = "Info",
- [LOG_DEBUG] = "Debug",
- [LOG_DEBUG + 1] = NULL
+ [LOG_EMERG] = "EMERGENCY!",
+ [LOG_ALERT] = "ALERT!",
+ [LOG_CRIT] = "Critical!",
+ [LOG_WARNING] = "Warning",
+ [LOG_ERR] = "Error",
+ [LOG_INFO] = "Info",
+ [LOG_DEBUG] = "Debug",
+ [LOG_DEBUG + 1] = NULL
};
static const char *syslog_level[] = {
- [LOG_EMERG] = "LOG_EMERG",
- [LOG_ALERT] = "LOG_ALERT",
- [LOG_CRIT] = "LOG_CRIT",
- [LOG_ERR] = "LOG_ERR",
- [LOG_WARNING] = "LOG_WARNING",
- [LOG_NOTICE] = "LOG_NOTICE",
- [LOG_INFO] = "LOG_INFO",
- [LOG_DEBUG] = "LOG_DEBUG",
- [LOG_DEBUG + 1] = NULL
+ [LOG_EMERG] = "LOG_EMERG",
+ [LOG_ALERT] = "LOG_ALERT",
+ [LOG_CRIT] = "LOG_CRIT",
+ [LOG_ERR] = "LOG_ERR",
+ [LOG_WARNING] = "LOG_WARNING",
+ [LOG_NOTICE] = "LOG_NOTICE",
+ [LOG_INFO] = "LOG_INFO",
+ [LOG_DEBUG] = "LOG_DEBUG",
+ [LOG_DEBUG + 1] = NULL
};
int logtolevel (const char *priority)
{
int i = 0;
- while (syslog_level[i])
- {
+ while (syslog_level[i]) {
if (!strcmp (priority, syslog_level[i]))
return i;
i++;
#ifndef PATHNAMES_H
#define PATHNAMES_H
-#define PACKAGE "dhcpcd"
+#define PACKAGE "dhcpcd"
-#define RESOLVCONF "/sbin/resolvconf"
+#define RESOLVCONF "/sbin/resolvconf"
-#define ETCDIR "/etc"
-#define RESOLVFILE ETCDIR "/resolv.conf"
+#define ETCDIR "/etc"
+#define RESOLVFILE ETCDIR "/resolv.conf"
-#define NISFILE ETCDIR "/yp.conf"
-#define NISSERVICE ETCDIR "/init.d/ypbind"
-#define NISRESTARTARGS "--quiet", "conditionalrestart"
+#define NISFILE ETCDIR "/yp.conf"
+#define NISSERVICE ETCDIR "/init.d/ypbind"
+#define NISRESTARTARGS "--quiet", "conditionalrestart"
-#define NTPFILE ETCDIR "/ntp.conf"
-#define NTPDRIFTFILE ETCDIR "/ntp.drift"
-#define NTPLOGFILE "/var/log/ntp.log"
-#define NTPSERVICE ETCDIR "/init.d/ntpd"
-#define NTPRESTARTARGS "--quiet", "conditionalrestart"
+#define NTPFILE ETCDIR "/ntp.conf"
+#define NTPDRIFTFILE ETCDIR "/ntp.drift"
+#define NTPLOGFILE "/var/log/ntp.log"
+#define NTPSERVICE ETCDIR "/init.d/ntpd"
+#define NTPRESTARTARGS "--quiet", "conditionalrestart"
-#define OPENNTPFILE ETCDIR "/ntpd.conf"
-#define OPENNTPSERVICE ETCDIR "/init.d/ntpd"
-#define OPENNTPRESTARTARGS "--quiet", "conditionalrestart"
+#define OPENNTPFILE ETCDIR "/ntpd.conf"
+#define OPENNTPSERVICE ETCDIR "/init.d/ntpd"
+#define OPENNTPRESTARTARGS "--quiet", "conditionalrestart"
-#define DEFAULT_SCRIPT ETCDIR "/" PACKAGE ".sh"
+#define DEFAULT_SCRIPT ETCDIR "/" PACKAGE ".sh"
-#define STATEDIR "/var"
-#define PIDFILE STATEDIR "/run/" PACKAGE "-%s.pid"
+#define STATEDIR "/var"
+#define PIDFILE STATEDIR "/run/" PACKAGE "-%s.pid"
-#define CONFIGDIR STATEDIR "/lib/" PACKAGE
-#define INFOFILE CONFIGDIR "/" PACKAGE "-%s.info"
+#define CONFIGDIR STATEDIR "/lib/" PACKAGE
+#define INFOFILE CONFIGDIR "/" PACKAGE "-%s.info"
#endif
projects / thirdparty / dhcpcd.git / commitdiff
