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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License (the "License").
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6 * You may not use this file except in compliance with the License.
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7 *
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8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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9 * or http://www.opensolaris.org/os/licensing.
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10 * See the License for the specific language governing permissions
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11 * and limitations under the License.
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12 *
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13 * When distributing Covered Code, include this CDDL HEADER in each
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14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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15 * If applicable, add the following below this CDDL HEADER, with the
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16 * fields enclosed by brackets "[]" replaced with your own identifying
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17 * information: Portions Copyright [yyyy] [name of copyright owner]
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18 *
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19 * CDDL HEADER END
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20 */
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21 /*
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22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
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23 * Use is subject to license terms.
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24 */
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25
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26 #ifndef UTIL_H
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27 #define UTIL_H
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28
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29 #pragma ident "@(#)util.h 1.14 07/04/04 SMI"
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30
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31 #include <sys/types.h>
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32 #include <netinet/in.h>
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33 #include <netinet/dhcp.h>
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34 #include <netinet/dhcp6.h>
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35 #include <libinetutil.h>
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36 #include <dhcpagent_ipc.h>
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37
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38 #include "common.h"
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39
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40 /*
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41 * general utility functions which have no better home. see util.c
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42 * for documentation on how to use the exported functions.
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43 */
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44
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45 #ifdef __cplusplus
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46 extern "C" {
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47 #endif
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48
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49 struct dhcp_timer_s {
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50 iu_timer_id_t dt_id;
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51 lease_t dt_start; /* Initial timer value */
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52 };
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53
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54 /* conversion functions */
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55 const char *pkt_type_to_string(uchar_t, boolean_t);
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56 const char *monosec_to_string(monosec_t);
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57 time_t monosec_to_time(monosec_t);
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58 monosec_t hrtime_to_monosec(hrtime_t);
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59
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60 /* shutdown handlers */
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61 void graceful_shutdown(int);
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62 void inactivity_shutdown(iu_tq_t *, void *);
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63
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64 /* timer functions */
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65 void init_timer(dhcp_timer_t *, lease_t);
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66 boolean_t cancel_timer(dhcp_timer_t *);
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67 boolean_t schedule_timer(dhcp_timer_t *, iu_tq_callback_t *, void *);
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68
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69 /* miscellaneous */
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70 boolean_t add_default_route(uint32_t, struct in_addr *);
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71 boolean_t del_default_route(uint32_t, struct in_addr *);
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72 int daemonize(void);
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73 monosec_t monosec(void);
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74 void print_server_msg(dhcp_smach_t *, const char *, uint_t);
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75 boolean_t bind_sock(int, in_port_t, in_addr_t);
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76 boolean_t bind_sock_v6(int, in_port_t, const in6_addr_t *);
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77 const char *iffile_to_hostname(const char *);
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78 int dhcpv6_status_code(const dhcpv6_option_t *, uint_t,
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79 const char **, const char **, uint_t *);
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80
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81 #ifdef __cplusplus
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82 }
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83 #endif
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84
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85 #endif /* UTIL_H */
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