1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2016, Chris Fraire <cfraire@me.com>. 25 * Copyright 2021 Tintri by DDN, Inc. All rights reserved. 26 */ 27 28 #ifndef _IPMGMT_IMPL_H 29 #define _IPMGMT_IMPL_H 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #include <net/if.h> 36 #include <libnvpair.h> 37 #include <libipadm.h> 38 #include <ipadm_ipmgmt.h> 39 #include <syslog.h> 40 #include <pthread.h> 41 #include <libscf.h> 42 43 #define IPMGMT_STRSIZE 256 44 #define IPMGMTD_FMRI "svc:/network/ip-interface-management:default" 45 46 /* ipmgmt_door.c */ 47 extern void ipmgmt_handler(void *, char *, size_t, door_desc_t *, uint_t); 48 49 /* ipmgmt_util.c */ 50 extern void ipmgmt_log(int, const char *, ...); 51 extern int ipmgmt_cpfile(const char *, const char *, boolean_t); 52 53 /* ipmgmt_persist.c */ 54 extern boolean_t ipmgmt_persist_if_exists(const char *, sa_family_t); 55 extern void ipmgmt_get_group_interface(const char *, char *, size_t); 56 57 /* 58 * following are the list of DB walker callback functions and the callback 59 * arguments for each of the callback functions used by the daemon 60 */ 61 /* following functions take 'ipmgmt_prop_arg_t' as the callback argument */ 62 extern db_wfunc_t ipmgmt_db_getprop, ipmgmt_db_resetprop; 63 64 /* following functions take ipadm_dbwrite_cbarg_t as callback argument */ 65 extern db_wfunc_t ipmgmt_db_add, ipmgmt_db_update, ipmgmt_db_update_if; 66 67 typedef struct { 68 char *cb_ifname; 69 char *cb_aobjname; 70 nvlist_t *cb_onvl; 71 int cb_ocnt; 72 } ipmgmt_get_cbarg_t; 73 extern db_wfunc_t ipmgmt_db_getif; 74 extern db_wfunc_t ipmgmt_db_getaddr; 75 76 typedef struct { 77 sa_family_t cb_family; 78 char *cb_ifname; 79 boolean_t cb_ipv4exists; 80 boolean_t cb_ipv6exists; 81 } ipmgmt_if_cbarg_t; 82 extern db_wfunc_t ipmgmt_db_setif, ipmgmt_db_resetif; 83 84 typedef struct { 85 char *cb_aobjname; 86 } ipmgmt_resetaddr_cbarg_t; 87 extern db_wfunc_t ipmgmt_db_resetaddr; 88 89 typedef struct { 90 sa_family_t cb_family; 91 nvlist_t *cb_invl; 92 nvlist_t *cb_onvl; 93 int cb_ocnt; 94 } ipmgmt_initif_cbarg_t; 95 extern db_wfunc_t ipmgmt_db_initif; 96 97 /* 98 * A linked list of address object nodes. Each node in the list tracks 99 * following information for the address object identified by `am_aobjname'. 100 * - interface on which the address is created 101 * - logical interface number on which the address is created 102 * - address family 103 * - `am_nextnum' identifies the next number to use to generate user part 104 * of `aobjname'. 105 * - address type (static, dhcp or addrconf) 106 * - `am_flags' indicates if this addrobj in active and/or persist config 107 * - other, ipadm_addr_type_t-specific values are cached in 108 * am_addr_cache (see type ipmgmt_addr_cache_u): 109 * - ipv6: ipmgmt_am_linklocal (macro) 110 * - ipv6: ipmgmt_am_ifid (macro) 111 * - dhcp: ipmgmt_am_reqhost (macro) 112 */ 113 typedef struct ipmgmt_aobjmap_s { 114 struct ipmgmt_aobjmap_s *am_next; 115 char am_aobjname[IPADM_AOBJSIZ]; 116 char am_ifname[LIFNAMSIZ]; 117 int32_t am_lnum; 118 sa_family_t am_family; 119 ipadm_addr_type_t am_atype; 120 uint32_t am_nextnum; 121 uint32_t am_flags; 122 ipmgmt_addr_type_cache_u am_atype_cache; 123 } ipmgmt_aobjmap_t; 124 125 #define ipmgmt_am_linklocal \ 126 am_atype_cache.ipmgmt_ipv6_cache_s.ipmgmt_linklocal 127 #define ipmgmt_am_ifid \ 128 am_atype_cache.ipmgmt_ipv6_cache_s.ipmgmt_ifid 129 #define ipmgmt_am_reqhost \ 130 am_atype_cache.ipmgmt_dhcp_cache_s.ipmgmt_reqhost 131 132 /* linked list of `aobjmap' nodes, protected by RW lock */ 133 typedef struct ipmgmt_aobjmap_list_s { 134 ipmgmt_aobjmap_t *aobjmap_head; 135 pthread_rwlock_t aobjmap_rwlock; 136 } ipmgmt_aobjmap_list_t; 137 138 /* global `aobjmap' defined in ipmgmt_main.c */ 139 extern ipmgmt_aobjmap_list_t aobjmap; 140 141 /* operations on the `aobjmap' linked list */ 142 #define ADDROBJ_ADD 0x00000001 143 #define ADDROBJ_DELETE 0x00000002 144 #define ADDROBJ_LOOKUPADD 0x00000004 145 #define ADDROBJ_SETLIFNUM 0x00000008 146 147 /* Permanent data store for ipadm */ 148 #define IPADM_DB_FILE "/etc/ipadm/ipadm.conf" 149 #define IPADM_FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) 150 151 /* 152 * With the initial integration of the daemon (PSARC 2010/080), the version 153 * of the ipadm data-store (/etc/ipadm/ipadm.conf) was 0. A subsequent fix 154 * needed an upgrade to the data-store and we bumped the version to 1. 155 */ 156 #define IPADM_DB_VERSION 1 157 158 /* 159 * A temporary file created in SMF volatile filesystem. This file captures the 160 * in-memory copy of list `aobjmap' on disk. This is done to recover from 161 * daemon reboot (using svcadm) or crashes. 162 */ 163 #define IPADM_TMPFS_DIR "/etc/svc/volatile/ipadm" 164 #define ADDROBJ_MAPPING_DB_FILE IPADM_TMPFS_DIR"/aobjmap.conf" 165 166 /* 167 * A temporary copy of the ipadm configuration file might need 168 * to be created if write requests are encountered during boottime 169 * and the root filesystem is mounted read-only. 170 */ 171 #define IPADM_VOL_DB_FILE IPADM_TMPFS_DIR"/ipadm.conf" 172 173 /* SCF resources required to interact with svc.configd */ 174 typedef struct scf_resources { 175 scf_handle_t *sr_handle; 176 scf_instance_t *sr_inst; 177 scf_propertygroup_t *sr_pg; 178 scf_property_t *sr_prop; 179 scf_value_t *sr_val; 180 scf_transaction_t *sr_tx; 181 scf_transaction_entry_t *sr_ent; 182 } scf_resources_t; 183 184 extern int ipmgmt_update_family_nvp(nvlist_t *, 185 sa_family_t, uint_t); 186 extern int ipmgmt_db_walk(db_wfunc_t *, void *, ipadm_db_op_t); 187 extern int ipmgmt_aobjmap_op(ipmgmt_aobjmap_t *, uint32_t); 188 extern boolean_t ipmgmt_aobjmap_init(void *, nvlist_t *, char *, 189 size_t, int *); 190 extern int ipmgmt_persist_aobjmap(ipmgmt_aobjmap_t *, 191 ipadm_db_op_t); 192 extern boolean_t ipmgmt_ngz_firstboot_postinstall(); 193 extern int ipmgmt_persist_if(ipmgmt_if_arg_t *); 194 extern void ipmgmt_init_prop(); 195 extern boolean_t ipmgmt_db_upgrade(void *, nvlist_t *, char *, 196 size_t, int *); 197 extern int ipmgmt_create_scf_resources(const char *, 198 scf_resources_t *); 199 extern void ipmgmt_release_scf_resources(scf_resources_t *); 200 extern boolean_t ipmgmt_needs_upgrade(scf_resources_t *); 201 extern void ipmgmt_update_dbver(scf_resources_t *); 202 203 #ifdef __cplusplus 204 } 205 #endif 206 207 #endif /* _IPMGMT_IMPL_H */ 208