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4b292b55 | 1 | /* -*- mode: c; c-file-style: "openbsd" -*- */ |
6e75df87 VB |
2 | /* |
3 | * Copyright (c) 2009 Vincent Bernat <bernat@luffy.cx> | |
4 | * | |
51434125 | 5 | * Permission to use, copy, modify, and/or distribute this software for any |
6e75df87 VB |
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 | ||
6e75df87 VB |
18 | #include "lldpd.h" |
19 | #include <unistd.h> | |
20 | ||
21 | #ifdef ENABLE_LLDPMED | |
8b549648 VB |
22 | /* Fill in inventory stuff: |
23 | - hardware version: /sys/class/dmi/id/product_version | |
24 | - firmware version: /sys/class/dmi/id/bios_version | |
25 | - software version: `uname -r` | |
26 | - serial number: /sys/class/dmi/id/product_serial | |
27 | - manufacturer: /sys/class/dmi/id/sys_vendor | |
28 | - model: /sys/class/dmi/id/product_name | |
29 | - asset: /sys/class/dmi/id/chassis_asset_tag | |
30 | */ | |
6e75df87 | 31 | |
8b549648 | 32 | static char * |
f540397c | 33 | dmi_get(const char *file) |
6e75df87 VB |
34 | { |
35 | int dmi, s; | |
b0cb07f7 | 36 | char buffer[100] = {}; |
6f8925be VB |
37 | |
38 | log_debug("localchassis", "DMI request for file %s", file); | |
6e75df87 | 39 | if ((dmi = priv_open(file)) < 0) { |
6f8925be | 40 | log_debug("localchassis", "cannot get DMI file %s", file); |
6e75df87 VB |
41 | return NULL; |
42 | } | |
6e75df87 | 43 | if ((s = read(dmi, buffer, sizeof(buffer))) == -1) { |
6f8925be | 44 | log_debug("localchassis", "cannot read DMI file %s", file); |
6e75df87 VB |
45 | close(dmi); |
46 | return NULL; | |
47 | } | |
48 | close(dmi); | |
49 | buffer[sizeof(buffer) - 1] = '\0'; | |
8b549648 VB |
50 | if ((s > 0) && (buffer[s - 1] == '\n')) buffer[s - 1] = '\0'; |
51 | if (strlen(buffer)) return strdup(buffer); | |
6e75df87 VB |
52 | return NULL; |
53 | } | |
54 | ||
8b549648 | 55 | char * |
6e75df87 VB |
56 | dmi_hw() |
57 | { | |
58 | return dmi_get(SYSFS_CLASS_DMI "product_version"); | |
59 | } | |
60 | ||
8b549648 | 61 | char * |
6e75df87 VB |
62 | dmi_fw() |
63 | { | |
64 | return dmi_get(SYSFS_CLASS_DMI "bios_version"); | |
65 | } | |
66 | ||
8b549648 | 67 | char * |
6e75df87 VB |
68 | dmi_sn() |
69 | { | |
70 | return dmi_get(SYSFS_CLASS_DMI "product_serial"); | |
71 | } | |
72 | ||
8b549648 | 73 | char * |
6e75df87 VB |
74 | dmi_manuf() |
75 | { | |
76 | return dmi_get(SYSFS_CLASS_DMI "sys_vendor"); | |
77 | } | |
78 | ||
8b549648 | 79 | char * |
6e75df87 VB |
80 | dmi_model() |
81 | { | |
82 | return dmi_get(SYSFS_CLASS_DMI "product_name"); | |
83 | } | |
84 | ||
8b549648 | 85 | char * |
6e75df87 VB |
86 | dmi_asset() |
87 | { | |
88 | return dmi_get(SYSFS_CLASS_DMI "chassis_asset_tag"); | |
89 | } | |
90 | #endif |