[dhcp-agent-commits] dhcp-agent/src dhcp-lease.c,NONE,1.1 dhcp-lease.h,NONE,1.1 dhcp-server.c,NONE,1
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[dhcp-agent-commits] dhcp-agent/src dhcp-lease.c,NONE,1.1 dhcp-lease.h,NONE,1.1 dhcp-server.c,NONE,1.1 dhcp-server.h,NONE,1.1 dhcp-server-guile.h,NONE,1.1
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From: <act...@us...> - 2003-07-02 15:23:44
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Update of /cvsroot/dhcp-agent/dhcp-agent/src
In directory sc8-pr-cvs1:/tmp/cvs-serv9106
Added Files:
dhcp-lease.c dhcp-lease.h dhcp-server.c dhcp-server.h
dhcp-server-guile.h
Log Message:
initial server/lease management code
--- NEW FILE: dhcp-lease.c ---
/* $Header: /cvsroot/dhcp-agent/dhcp-agent/src/dhcp-lease.c,v 1.1 2003/07/02 15:23:30 actmodern Exp $
*
* Copyright 2002 Thamer Alharbash
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#define MODULE_NAME "dhcp-lease"
#include "dhcp-local.h"
#include "dhcp-libutil.h"
#include "dhcp-librawnet.h"
#include "dhcp-lease.h"
#include "dhcp-option.h"
/* * * * * * * * * * *
* public interface. *
* * * * * * * * * * */
lease_constraint_t *lease_constraint_create(int constraint_type, void *data)
{
lease_constraint_t *constraint = xcalloc(sizeof(lease_constraint_t));
char *hostname;
constraint->constraint_type = constraint_type;
switch(constraint_type) {
case LEASE_CONSTRAINT_HARDWARE_ADDRESS:
memcpy(&constraint->data.hw_address.data, data, ETH_ADDR_LEN);
break;
case LEASE_CONSTRAINT_HOSTNAME:
hostname = data;
constraint->data.hostname = xstrdup(hostname);
break;
default:
FATAL_MESSAGE("illegal constraint type passed. this is a bug report me.");
}
return constraint;
}
void lease_constraint_destroy(lease_constraint_t *constraint)
{
switch(constraint->constraint_type) {
case LEASE_CONSTRAINT_HOSTNAME:
xfree(constraint->data.hostname);
break;
case LEASE_CONSTRAINT_HARDWARE_ADDRESS: /* fall through. */
case LEASE_CONSTRAINT_NONE: /* fall through. */
default:
break;
}
xfree(constraint);
return;
}
lease_definition_t *lease_definition_create(lease_constraint_t *constraint,
ip_addr_t ip_addr_range,
list_t *options,
uint32_t lease_expiry,
uint32_t renew_time,
uint32_t rebind_time)
{
dhcp_opt_t *opt, *opt_copy;
lease_definition_t *lease_def;
lease_def = xcalloc(sizeof(lease_definition_t));
lease_def->constraint = constraint;
lease_def->addr_range = ip_addr_range;
/* copy our dhcp options we'll pass. */
lease_def->options = list_create();
list_rewind(options);
while((opt = list_next(options)) != NULL) {
opt_copy = dhcp_option_copy(opt);
list_add_to_end(lease_def->options, opt_copy);
}
/* FIXME: set renew/rebind to defaults if they are passed as zero. */
lease_def->lease_expiry = lease_expiry;
lease_def->renew_time = lease_expiry;
lease_def->rebind_time = lease_expiry;
return lease_def;
}
void lease_definition_destroy(lease_definition_t *lease_def)
{
if(lease_def->constraint != NULL)
lease_constraint_destroy(lease_def->constraint);
dhcp_opt_destroy_option_list(lease_def->options);
xfree(lease_def);
return;
}
--- NEW FILE: dhcp-lease.h ---
/* $Header: /cvsroot/dhcp-agent/dhcp-agent/src/dhcp-lease.h,v 1.1 2003/07/02 15:23:30 actmodern Exp $
*
* Copyright 2002 Thamer Alharbash <tm...@wh...>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* DHCP lease data structures and routines.
*/
#ifndef DHCP_LEASE_H
#define DHCP_LEASE_H
/* constraints placed on a lease. */
typedef struct {
int constraint_type; /* constraint type. */
union {
eth_addr_t hw_address; /* hardware address. */
char *hostname; /* hostname. */
} data;
} lease_constraint_t;
/* lease defintion. */
typedef struct {
lease_constraint_t *constraint; /* constraints if any. */
ip_addr_t addr_range; /* address range. */
list_t *options; /* options to be passed. */
uint32_t lease_expiry; /* lease expiry time. */
uint32_t renew_time; /* renewal time. */
uint32_t rebind_time; /* rebind time. */
} lease_definition_t;
/* assigned lease data. */
typedef struct {
lease_definition_t *defintion; /* lease definition. */
time_t ini_assigned; /* initially assigned timestamp. */
time_t last_assigned; /* last assigned timestamp. */
} assigned_lease_data_t;
/* constants. */
enum lease_constraint_type { LEASE_CONSTRAINT_NONE = 0, LEASE_CONSTRAINT_HARDWARE_ADDRESS, LEASE_CONSTRAINT_HOSTNAME };
/* prototypes. */
extern lease_constraint_t *lease_constraint_create(int constraint_type, void *data);
extern void lease_constraint_destroy(lease_constraint_t *lease_constraint);
extern lease_definition_t *lease_definition_create(lease_constraint_t *constraint,
ip_addr_t ip_addr_range,
list_t *options,
uint32_t lease_expiry,
uint32_t renew_time,
uint32_t rebind_time);
extern void lease_definition_destroy(lease_definition_t *lease_def);
#endif /* DHCP_LEASE_H */
--- NEW FILE: dhcp-server.c ---
/* $Header: /cvsroot/dhcp-agent/dhcp-agent/src/dhcp-server.c,v 1.1 2003/07/02 15:23:30 actmodern Exp $
*
* Copyright 2002 Thamer Alharbash
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#include "dhcp-local.h"
#include "dhcp-libutil.h"
#include "dhcp-librawnet.h"
#include "dhcp-lease.h"
#include "dhcp-server.h"
#include "dhcp-server-guile.h"
/* global vars affecting other code. */
char *work_dir = DHCPLOCALSTATE_SERVERDIR; /* our default working directory */
#if !defined(HAVE_PROGNAME)
const char *__progname;
#endif /* HAVE_PROGNAME */
static unsigned char want_background = 1; /* whether we should go into the background. */
static void do_version(char *interface);
static void do_status(char *interface_name);
static void do_kill(char *interface_name);
static void do_server(char *interface_name);
static const char *command_string[] = {
"version", "kill", "status", "do server"
};
/* table of functions indexed by command codes. */
server_command commands[] = {
do_version, /* print out version information. */
do_kill, /* kill server. */
do_status, /* do status. */
do_server, /* do server. */
};
/* print usage info. */
static void usage(char *s)
{
printf("usage: %s [-aks]\n", s);
exit(0);
}
/* print out version information and exit. */
static void do_version(char *interface)
{
INFO_MESSAGE("%s version: %s\n", getprogname(), VERSION);
}
static void do_status(char *interface_name)
{
INFO_MESSAGE("not implemented yet.");
return;
}
static void do_kill(char *interface_name)
{
INFO_MESSAGE("not implemented yet.");
return;
}
static void do_server(char *interface_name)
{
INFO_MESSAGE("not implemented yet.");
return;
}
/* main function: called from scm_boot_guile */
static void real_main(void *closure, int argc, char *argv[])
{
int c, command_code = DO_SERVER;
char *interface_name = NULL;
list_t *interface_list;
INFO_MESSAGE("(C) 2003 Thamer Al-Harbash <tm...@wh...>");
INFO_MESSAGE("See LICENSE file for details.");
INFO_MESSAGE(" ");
while((c = getopt(argc, argv, "vskai:")) != -1) {
switch(c) {
case 'k': /* kill server. */
command_code = DO_KILL;
break;
case 's':
command_code = DO_STATUS;
break;
case 'v':
command_code = DO_VERSION;
break;
case 'i':
interface_name = xstrdup(optarg);
break;
case 'a': /* don't fork into the background. */
want_background = 0;
break;
default:
usage(argv[0]);
}
}
/* if all the user wants is version information, give it to him. */
if(command_code == DO_VERSION) {
do_version(NULL);
exit(0);
}
/* otherwise anything else requires an up interface. */
if(interface_name == NULL) {
interface_list = rawnet_list_active_interfaces();
if(list_get_len(interface_list) == 0) {
ERROR_MESSAGE("could not find suitable interface to use while running command: %s",
command_string[command_code]);
}
interface_name = xstrdup(list_first(interface_list));
list_destroy(interface_list, xfree);
}
/* now that we have an active interface name, go ahead
* and run the server command. */
commands[command_code](interface_name);
exit(0);
}
/* actual main: boot guile up so it knows where the bottom of the stack is. */
int main(int argc, char *argv[])
{
scm_boot_guile(argc, argv, real_main, NULL);
/* get rid of compiler warning. */
exit(1);
}
--- NEW FILE: dhcp-server.h ---
/* $Header: /cvsroot/dhcp-agent/dhcp-agent/src/dhcp-server.h,v 1.1 2003/07/02 15:23:30 actmodern Exp $
*
* Copyright 2002 Thamer Alharbash <tm...@wh...>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef DHCP_SERVER_H
#define DHCP_SERVER_H
enum command_codes { DO_VERSION = 0, DO_KILL, DO_STATUS, DO_SERVER };
typedef void (*server_command) (char *interface);
typedef struct {
rawnet_t *rawnet; /* raw network handle *
/
char *interface_name; /* name of interface */
} dhcp_server_control_t;
#endif /* DHCP_SERVER_H */
--- NEW FILE: dhcp-server-guile.h ---
/* $Header: /cvsroot/dhcp-agent/dhcp-agent/src/dhcp-server-guile.h,v 1.1 2003/07/02 15:23:30 actmodern Exp $
*
* Copyright 2003 Thamer Alharbash <tm...@wh...>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef DHCP_SERVER_GUILE_H
#define DHCP_SERVER_GUILE_H
#include <libguile.h>
#endif /* DHCP_SERVER_GUILE_H */
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