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Reincorporate sysconfd support. Add support for releasing leases.

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This commit is contained in:
mellon 1998-09-04 18:01:14 +00:00
parent f397d4ea4a
commit 17cf92b7ae
1 changed files with 82 additions and 2 deletions
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84
usr.sbin/dhcp/client/dhclient.c
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@ -56,7 +56,7 @@
#ifndef lint
static char copyright[] =
"$Id: dhclient.c,v 1.3 1998/07/31 21:38:43 sommerfe Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n";
"$Id: dhclient.c,v 1.4 1998/09/04 18:01:14 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */
#include "dhcpd.h"
@ -235,6 +235,9 @@ int main (argc, argv, envp)
/* Set up the bootp packet handler... */
bootp_packet_handler = do_packet;
/* Start listening on the sysconf socket... */
sysconf_startup (status_message);
/* Start dispatching packets and timeouts... */
dispatch ();
@ -1640,7 +1643,7 @@ void make_release (ip, lease)
ip -> client -> packet.htype = ip -> hw_address.htype;
ip -> client -> packet.hlen = ip -> hw_address.hlen;
ip -> client -> packet.hops = 0;
ip -> client -> packet.xid = ip -> client -> packet.xid;
ip -> client -> packet.xid = random ();
ip -> client -> packet.secs = 0;
ip -> client -> packet.flags = 0;
memcpy (&ip -> client -> packet.ciaddr,
@ -2054,3 +2057,80 @@ void write_client_pid_file ()
fclose (pf);
}
}
void status_message (header, data)
struct sysconf_header *header;
void *data;
{
switch (header -> type) {
case NETWORK_LOCATION_CHANGED:
client_reinit (1);
break;
case RELEASE_CURRENT_DHCP_LEASES:
client_reinit (0);
break;
default:
break;
}
}
void client_reinit (state)
int state;
{
struct interface_info *ip;
for (ip = interfaces; ip; ip = ip -> next) {
switch (ip -> client -> state) {
case S_SELECTING:
cancel_timeout (send_discover, ip);
break;
case S_BOUND:
cancel_timeout (state_bound, ip);
break;
case S_REBOOTING:
case S_REQUESTING:
case S_RENEWING:
cancel_timeout (send_request, ip);
break;
case S_INIT:
case S_REBINDING:
break;
}
if (state == 0 && ip -> client -> active) {
/* Expire the lease. */
ip -> client -> active -> expiry = cur_time;
write_client_lease (ip, ip -> client -> active);
/* Unconfigure the leased IP address. */
script_init (ip, "EXPIRE", (struct string_list *)0);
script_write_params (ip,
"old_", ip -> client -> active);
if (ip -> client -> alias)
script_write_params (ip, "alias_",
ip -> client -> alias);
script_go (ip);
/* Configure the interface in the startup state. */
script_init (ip, "PREINIT",
(struct string_list *)0);
if (ip -> client -> alias)
script_write_params(ip, "alias_",
ip->client->alias);
script_go (ip);
make_release (ip, ip -> client -> active);
send_release (ip);
ip -> client -> state = S_INIT;
} else if (state == 1) {
ip -> client -> state = S_INIT;
state_reboot (ip);
}
}
}