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1 | /* |
2 | * ISO Network functions - iso_net.c | |
3 | * | |
4 | * Author: Olivier Dugeon <olivier.dugeon@orange.com> | |
5 | * | |
6 | * Copyright (C) 2023 Orange http://www.orange.com | |
7 | * | |
8 | * This file is part of Free Range Routing (FRR). | |
9 | * | |
10 | * FRR is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the | |
12 | * Free Software Foundation; either version 2, or (at your option) any | |
13 | * later version. | |
14 | * | |
15 | * FRR is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License along | |
21 | * with this program; see the file COPYING; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
23 | */ | |
24 | ||
25 | #ifdef HAVE_CONFIG_H | |
26 | #include "config.h" | |
27 | #endif | |
28 | ||
29 | #include "compiler.h" | |
30 | ||
31 | #include <string.h> | |
32 | #include <ctype.h> | |
33 | #include <time.h> | |
34 | ||
35 | #include "printfrr.h" | |
36 | #include "iso.h" | |
37 | ||
38 | /** | |
39 | * Print ISO System ID as 0000.0000.0000 | |
40 | * | |
41 | * @param Print buffer | |
42 | * @param Print argument | |
43 | * @param Pointer to the System ID to be printed | |
44 | * | |
45 | * @return Number of printed characters | |
46 | */ | |
47 | printfrr_ext_autoreg_p("SY", printfrr_iso_sysid); | |
48 | static ssize_t printfrr_iso_sysid(struct fbuf *buf, struct printfrr_eargs *ea, | |
49 | const void *vptr) | |
50 | { | |
51 | const uint8_t *id = vptr; | |
52 | ||
53 | if (!id) | |
54 | return bputs(buf, "(null)"); | |
55 | ||
56 | return bprintfrr(buf, "%02x%02x.%02x%02x.%02x%02x", | |
57 | id[0], id[1], id[2], id[3], id[4], id[5]); | |
58 | } | |
59 | ||
60 | /** | |
61 | * Print ISO Pseudo Node system ID as 0000.0000.0000.00 | |
62 | * | |
63 | * @param Print buffer | |
64 | * @param Print argument | |
65 | * @param Pointer to the System ID to be printed | |
66 | * | |
67 | * @return Number of printed characters | |
68 | */ | |
69 | printfrr_ext_autoreg_p("PN", printfrr_iso_pseudo); | |
70 | static ssize_t printfrr_iso_pseudo(struct fbuf *buf, struct printfrr_eargs *ea, | |
71 | const void *vptr) | |
72 | { | |
73 | const uint8_t *id = vptr; | |
74 | ||
75 | if (!id) | |
76 | return bputs(buf, "(null)"); | |
77 | ||
78 | return bprintfrr(buf, "%02x%02x.%02x%02x.%02x%02x.%02x", | |
79 | id[0], id[1], id[2], id[3], id[4], id[5], id[6]); | |
80 | } | |
81 | ||
82 | /** | |
83 | * Print ISO LSP Fragment System ID as 0000.0000.0000.00-00 | |
84 | * | |
85 | * @param Print buffer | |
86 | * @param Print argument | |
87 | * @param Pointer to the System ID to be printed | |
88 | * | |
89 | * @return Number of printed characters | |
90 | */ | |
91 | printfrr_ext_autoreg_p("LS", printfrr_iso_frag_id); | |
92 | static ssize_t printfrr_iso_frag_id(struct fbuf *buf, struct printfrr_eargs *ea, | |
93 | const void *vptr) | |
94 | { | |
95 | const uint8_t *id = vptr; | |
96 | ||
97 | if (!id) | |
98 | return bputs(buf, "(null)"); | |
99 | ||
100 | return bprintfrr(buf, "%02x%02x.%02x%02x.%02x%02x.%02x-%02x", | |
101 | id[0], id[1], id[2], id[3], id[4], id[5], id[6], | |
102 | id[7]); | |
103 | } | |
104 | ||
105 | /** | |
106 | * Print ISO Network address as 00.0000.0000.0000 ... with the System ID | |
107 | * as 0000.0000.0000.00 when long 'l' option is added to '%pIS' | |
108 | * | |
109 | * @param Print buffer | |
110 | * @param Print argument | |
111 | * @param Pointer to the ISO Network address | |
112 | * | |
113 | * @return Number of printed characters | |
114 | */ | |
115 | printfrr_ext_autoreg_p("IS", printfrr_iso_addr); | |
116 | static ssize_t printfrr_iso_addr(struct fbuf *buf, struct printfrr_eargs *ea, | |
117 | const void *vptr) | |
118 | { | |
119 | const struct iso_address *ia = vptr; | |
120 | uint8_t len = 0; | |
121 | int i = 0; | |
122 | ssize_t ret = 0; | |
123 | ||
124 | if (ea->fmt[0] == 'l') { | |
125 | len = 7; /* ISO SYSTEM ID + 1 */ | |
126 | ea->fmt++; | |
127 | } | |
128 | ||
129 | if (!ia) | |
130 | return bputs(buf, "(null)"); | |
131 | ||
132 | len += ia->addr_len; | |
133 | while (i < len) { | |
134 | /* No dot for odd index and at the end of address */ | |
135 | if ((i & 1) || (i == (len - 1))) | |
136 | ret += bprintfrr(buf, "%02x", ia->area_addr[i]); | |
137 | else | |
138 | ret += bprintfrr(buf, "%02x.", ia->area_addr[i]); | |
139 | i++; | |
140 | } | |
141 | ||
142 | return ret; | |
143 | } | |
144 |