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1 | /* -*- mode: c; c-file-style: "openbsd" -*- */ |
2 | /* | |
3 | * Copyright (c) 2015 Vincent Bernat <vincent@bernat.im> | |
4 | * | |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
18 | #include <stdio.h> | |
19 | #include <stdarg.h> | |
20 | #include <string.h> | |
21 | #include <arpa/inet.h> | |
22 | ||
23 | #include "lldpctl.h" | |
24 | #include "../log.h" | |
25 | #include "atom.h" | |
26 | #include "helpers.h" | |
27 | ||
28 | static lldpctl_map_t chassis_id_subtype_map[] = { | |
29 | { LLDP_CHASSISID_SUBTYPE_IFNAME, "ifname"}, | |
30 | { LLDP_CHASSISID_SUBTYPE_IFALIAS, "ifalias" }, | |
31 | { LLDP_CHASSISID_SUBTYPE_LOCAL, "local" }, | |
32 | { LLDP_CHASSISID_SUBTYPE_LLADDR, "mac" }, | |
33 | { LLDP_CHASSISID_SUBTYPE_ADDR, "ip" }, | |
34 | { LLDP_CHASSISID_SUBTYPE_PORT, "unhandled" }, | |
35 | { LLDP_CHASSISID_SUBTYPE_CHASSIS, "unhandled" }, | |
36 | { 0, NULL}, | |
37 | }; | |
38 | ||
39 | #ifdef ENABLE_LLDPMED | |
40 | ||
41 | static lldpctl_map_t chassis_med_type_map[] = { | |
42 | { LLDP_MED_CLASS_I, "Generic Endpoint (Class I)" }, | |
43 | { LLDP_MED_CLASS_II, "Media Endpoint (Class II)" }, | |
44 | { LLDP_MED_CLASS_III, "Communication Device Endpoint (Class III)" }, | |
45 | { LLDP_MED_NETWORK_DEVICE, "Network Connectivity Device" }, | |
46 | { 0, NULL }, | |
47 | }; | |
48 | ||
49 | #endif | |
50 | ||
51 | static int | |
52 | _lldpctl_atom_new_chassis(lldpctl_atom_t *atom, va_list ap) | |
53 | { | |
54 | struct _lldpctl_atom_chassis_t *p = | |
55 | (struct _lldpctl_atom_chassis_t *)atom; | |
56 | p->chassis = va_arg(ap, struct lldpd_chassis*); | |
57 | p->parent = va_arg(ap, struct _lldpctl_atom_port_t*); | |
e55e7492 VB |
58 | p->embedded = va_arg(ap, int); |
59 | if (p->parent && !p->embedded) | |
99ef55d3 VB |
60 | lldpctl_atom_inc_ref((lldpctl_atom_t*)p->parent); |
61 | return 1; | |
62 | } | |
63 | ||
64 | static void | |
65 | _lldpctl_atom_free_chassis(lldpctl_atom_t *atom) | |
66 | { | |
67 | struct _lldpctl_atom_chassis_t *p = | |
68 | (struct _lldpctl_atom_chassis_t *)atom; | |
69 | /* When we have a parent, the chassis structure is in fact part of the | |
70 | * parent, just decrement the reference count of the parent. Otherwise, | |
e55e7492 VB |
71 | * we need to free the whole chassis. When embedded, we don't alter the |
72 | * reference count of the parent. Therefore, it's important to also not | |
73 | * increase the reference count of this atom. See | |
74 | * `_lldpctl_atom_get_atom_chassis' for how to handle that. */ | |
75 | if (p->parent) { | |
76 | if (!p->embedded) | |
77 | lldpctl_atom_dec_ref((lldpctl_atom_t*)p->parent); | |
78 | } else | |
79 | lldpd_chassis_cleanup(p->chassis, 1); | |
99ef55d3 VB |
80 | } |
81 | ||
82 | static lldpctl_atom_t* | |
83 | _lldpctl_atom_get_atom_chassis(lldpctl_atom_t *atom, lldpctl_key_t key) | |
84 | { | |
85 | struct _lldpctl_atom_chassis_t *p = | |
86 | (struct _lldpctl_atom_chassis_t *)atom; | |
87 | struct lldpd_chassis *chassis = p->chassis; | |
88 | ||
89 | switch (key) { | |
90 | case lldpctl_k_chassis_mgmt: | |
91 | return _lldpctl_new_atom(atom->conn, atom_mgmts_list, | |
e55e7492 VB |
92 | (p->parent && p->embedded)? |
93 | (lldpctl_atom_t *)p->parent: | |
94 | (lldpctl_atom_t *)p, | |
95 | chassis); | |
99ef55d3 VB |
96 | default: |
97 | SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); | |
98 | return NULL; | |
99 | } | |
100 | } | |
101 | ||
102 | static const char* | |
103 | _lldpctl_atom_get_str_chassis(lldpctl_atom_t *atom, lldpctl_key_t key) | |
104 | { | |
105 | struct _lldpctl_atom_chassis_t *p = | |
106 | (struct _lldpctl_atom_chassis_t *)atom; | |
107 | struct lldpd_chassis *chassis = p->chassis; | |
108 | char *ipaddress = NULL; size_t len; | |
109 | ||
110 | /* Local and remote port */ | |
111 | switch (key) { | |
112 | ||
113 | case lldpctl_k_chassis_id_subtype: | |
114 | return map_lookup(chassis_id_subtype_map, chassis->c_id_subtype); | |
115 | case lldpctl_k_chassis_id: | |
116 | switch (chassis->c_id_subtype) { | |
117 | case LLDP_CHASSISID_SUBTYPE_IFNAME: | |
118 | case LLDP_CHASSISID_SUBTYPE_IFALIAS: | |
119 | case LLDP_CHASSISID_SUBTYPE_LOCAL: | |
120 | return chassis->c_id; | |
121 | case LLDP_CHASSISID_SUBTYPE_LLADDR: | |
122 | return _lldpctl_dump_in_atom(atom, | |
123 | (uint8_t*)chassis->c_id, chassis->c_id_len, | |
124 | ':', 0); | |
125 | case LLDP_CHASSISID_SUBTYPE_ADDR: | |
126 | switch (chassis->c_id[0]) { | |
127 | case LLDP_MGMT_ADDR_IP4: len = INET_ADDRSTRLEN + 1; break; | |
128 | case LLDP_MGMT_ADDR_IP6: len = INET6_ADDRSTRLEN + 1; break; | |
129 | default: len = 0; | |
130 | } | |
131 | if (len > 0) { | |
132 | ipaddress = _lldpctl_alloc_in_atom(atom, len); | |
133 | if (!ipaddress) return NULL; | |
134 | if (inet_ntop((chassis->c_id[0] == LLDP_MGMT_ADDR_IP4)? | |
135 | AF_INET:AF_INET6, | |
136 | &chassis->c_id[1], ipaddress, len) == NULL) | |
137 | break; | |
138 | return ipaddress; | |
139 | } | |
140 | break; | |
141 | } | |
142 | SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); | |
143 | return NULL; | |
144 | case lldpctl_k_chassis_name: return chassis->c_name; | |
145 | case lldpctl_k_chassis_descr: return chassis->c_descr; | |
146 | ||
147 | #ifdef ENABLE_LLDPMED | |
148 | case lldpctl_k_chassis_med_type: | |
149 | return map_lookup(chassis_med_type_map, chassis->c_med_type); | |
150 | case lldpctl_k_chassis_med_inventory_hw: | |
151 | return chassis->c_med_hw; | |
152 | case lldpctl_k_chassis_med_inventory_sw: | |
153 | return chassis->c_med_sw; | |
154 | case lldpctl_k_chassis_med_inventory_fw: | |
155 | return chassis->c_med_fw; | |
156 | case lldpctl_k_chassis_med_inventory_sn: | |
157 | return chassis->c_med_sn; | |
158 | case lldpctl_k_chassis_med_inventory_manuf: | |
159 | return chassis->c_med_manuf; | |
160 | case lldpctl_k_chassis_med_inventory_model: | |
161 | return chassis->c_med_model; | |
162 | case lldpctl_k_chassis_med_inventory_asset: | |
163 | return chassis->c_med_asset; | |
164 | #endif | |
165 | ||
166 | default: | |
167 | SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); | |
168 | return NULL; | |
169 | } | |
170 | } | |
171 | ||
172 | static long int | |
173 | _lldpctl_atom_get_int_chassis(lldpctl_atom_t *atom, lldpctl_key_t key) | |
174 | { | |
175 | struct _lldpctl_atom_chassis_t *p = | |
176 | (struct _lldpctl_atom_chassis_t *)atom; | |
177 | struct lldpd_chassis *chassis = p->chassis; | |
178 | ||
179 | /* Local and remote port */ | |
180 | switch (key) { | |
181 | case lldpctl_k_chassis_index: | |
182 | return chassis->c_index; | |
183 | case lldpctl_k_chassis_id_subtype: | |
184 | return chassis->c_id_subtype; | |
185 | case lldpctl_k_chassis_cap_available: | |
186 | return chassis->c_cap_available; | |
187 | case lldpctl_k_chassis_cap_enabled: | |
188 | return chassis->c_cap_enabled; | |
189 | #ifdef ENABLE_LLDPMED | |
190 | case lldpctl_k_chassis_med_type: | |
191 | return chassis->c_med_type; | |
192 | case lldpctl_k_chassis_med_cap: | |
193 | return chassis->c_med_cap_available; | |
194 | #endif | |
195 | default: | |
196 | return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); | |
197 | } | |
198 | return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); | |
199 | } | |
200 | ||
201 | static const uint8_t* | |
202 | _lldpctl_atom_get_buf_chassis(lldpctl_atom_t *atom, lldpctl_key_t key, size_t *n) | |
203 | { | |
204 | struct _lldpctl_atom_chassis_t *p = | |
205 | (struct _lldpctl_atom_chassis_t *)atom; | |
206 | struct lldpd_chassis *chassis = p->chassis; | |
207 | ||
208 | switch (key) { | |
209 | case lldpctl_k_chassis_id: | |
210 | *n = chassis->c_id_len; | |
211 | return (uint8_t*)chassis->c_id; | |
212 | default: | |
213 | SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); | |
214 | return NULL; | |
215 | } | |
216 | } | |
217 | ||
218 | static struct atom_builder chassis = | |
219 | { atom_chassis, sizeof(struct _lldpctl_atom_chassis_t), | |
220 | .init = _lldpctl_atom_new_chassis, | |
221 | .free = _lldpctl_atom_free_chassis, | |
222 | .get = _lldpctl_atom_get_atom_chassis, | |
223 | .get_str = _lldpctl_atom_get_str_chassis, | |
224 | .get_int = _lldpctl_atom_get_int_chassis, | |
225 | .get_buffer = _lldpctl_atom_get_buf_chassis }; | |
226 | ||
227 | ATOM_BUILDER_REGISTER(chassis, 3); |