2 * rt_names.c rtnetlink names DB.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
9 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
21 static void rtnl_tab_initialize(char *file, char **tab, int size)
26 fp = fopen(file, "r");
29 while (fgets(buf, sizeof(buf), fp)) {
34 while (*p == ' ' || *p == '\t')
36 if (*p == '#' || *p == '\n' || *p == 0)
38 if (sscanf(p, "0x%x %s\n", &id, namebuf) != 2 &&
39 sscanf(p, "0x%x %s #", &id, namebuf) != 2 &&
40 sscanf(p, "%d %s\n", &id, namebuf) != 2 &&
41 sscanf(p, "%d %s #", &id, namebuf) != 2) {
42 fprintf(stderr, "Database %s is corrupted at %s\n",
50 tab[id] = strdup(namebuf);
56 static char * rtnl_rtprot_tab[256] = {
74 static int rtnl_rtprot_init;
76 static void rtnl_rtprot_initialize(void)
79 rtnl_tab_initialize("/etc/iproute2/rt_protos",
80 rtnl_rtprot_tab, 256);
83 char * rtnl_rtprot_n2a(int id, char *buf, int len)
85 if (id<0 || id>=256) {
86 snprintf(buf, len, "%d", id);
89 if (!rtnl_rtprot_tab[id]) {
90 if (!rtnl_rtprot_init)
91 rtnl_rtprot_initialize();
93 if (rtnl_rtprot_tab[id])
94 return rtnl_rtprot_tab[id];
95 snprintf(buf, len, "%d", id);
99 int rtnl_rtprot_a2n(uint32_t *id, char *arg)
101 static char *cache = NULL;
102 static unsigned long res;
106 if (cache && strcmp(cache, arg) == 0) {
111 if (!rtnl_rtprot_init)
112 rtnl_rtprot_initialize();
114 for (i=0; i<256; i++) {
115 if (rtnl_rtprot_tab[i] &&
116 strcmp(rtnl_rtprot_tab[i], arg) == 0) {
117 cache = rtnl_rtprot_tab[i];
124 res = strtoul(arg, &end, 0);
125 if (!end || end == arg || *end || res > 255)
133 static char * rtnl_rtscope_tab[256] = {
137 static int rtnl_rtscope_init;
139 static void rtnl_rtscope_initialize(void)
141 rtnl_rtscope_init = 1;
142 rtnl_rtscope_tab[255] = "nowhere";
143 rtnl_rtscope_tab[254] = "host";
144 rtnl_rtscope_tab[253] = "link";
145 rtnl_rtscope_tab[200] = "site";
146 rtnl_tab_initialize("/etc/iproute2/rt_scopes",
147 rtnl_rtscope_tab, 256);
150 char * rtnl_rtscope_n2a(int id, char *buf, int len)
152 if (id<0 || id>=256) {
153 snprintf(buf, len, "%d", id);
156 if (!rtnl_rtscope_tab[id]) {
157 if (!rtnl_rtscope_init)
158 rtnl_rtscope_initialize();
160 if (rtnl_rtscope_tab[id])
161 return rtnl_rtscope_tab[id];
162 snprintf(buf, len, "%d", id);
166 int rtnl_rtscope_a2n(uint32_t *id, char *arg)
168 static char *cache = NULL;
169 static unsigned long res;
173 if (cache && strcmp(cache, arg) == 0) {
178 if (!rtnl_rtscope_init)
179 rtnl_rtscope_initialize();
181 for (i=0; i<256; i++) {
182 if (rtnl_rtscope_tab[i] &&
183 strcmp(rtnl_rtscope_tab[i], arg) == 0) {
184 cache = rtnl_rtscope_tab[i];
191 res = strtoul(arg, &end, 0);
192 if (!end || end == arg || *end || res > 255)
200 static char * rtnl_rtrealm_tab[256] = {
204 static int rtnl_rtrealm_init;
206 static void rtnl_rtrealm_initialize(void)
208 rtnl_rtrealm_init = 1;
209 rtnl_tab_initialize("/etc/iproute2/rt_realms",
210 rtnl_rtrealm_tab, 256);
213 char * rtnl_rtrealm_n2a(int id, char *buf, int len)
215 if (id<0 || id>=256) {
216 snprintf(buf, len, "%d", id);
219 if (!rtnl_rtrealm_tab[id]) {
220 if (!rtnl_rtrealm_init)
221 rtnl_rtrealm_initialize();
223 if (rtnl_rtrealm_tab[id])
224 return rtnl_rtrealm_tab[id];
225 snprintf(buf, len, "%d", id);
230 int rtnl_rtrealm_a2n(uint32_t *id, char *arg)
232 static char *cache = NULL;
233 static unsigned long res;
237 if (cache && strcmp(cache, arg) == 0) {
242 if (!rtnl_rtrealm_init)
243 rtnl_rtrealm_initialize();
245 for (i=0; i<256; i++) {
246 if (rtnl_rtrealm_tab[i] &&
247 strcmp(rtnl_rtrealm_tab[i], arg) == 0) {
248 cache = rtnl_rtrealm_tab[i];
255 res = strtoul(arg, &end, 0);
256 if (!end || end == arg || *end || res > 255)
264 static char * rtnl_rttable_tab[256] = {
268 static int rtnl_rttable_init;
270 static void rtnl_rttable_initialize(void)
272 rtnl_rttable_init = 1;
273 rtnl_rttable_tab[255] = "local";
274 rtnl_rttable_tab[254] = "main";
275 rtnl_tab_initialize("/etc/iproute2/rt_tables",
276 rtnl_rttable_tab, 256);
279 char * rtnl_rttable_n2a(int id, char *buf, int len)
281 if (id<0 || id>=256) {
282 snprintf(buf, len, "%d", id);
285 if (!rtnl_rttable_tab[id]) {
286 if (!rtnl_rttable_init)
287 rtnl_rttable_initialize();
289 if (rtnl_rttable_tab[id])
290 return rtnl_rttable_tab[id];
291 snprintf(buf, len, "%d", id);
295 int rtnl_rttable_a2n(uint32_t *id, char *arg)
297 static char *cache = NULL;
298 static unsigned long res;
302 if (cache && strcmp(cache, arg) == 0) {
307 if (!rtnl_rttable_init)
308 rtnl_rttable_initialize();
310 for (i=0; i<256; i++) {
311 if (rtnl_rttable_tab[i] &&
312 strcmp(rtnl_rttable_tab[i], arg) == 0) {
313 cache = rtnl_rttable_tab[i];
320 i = strtoul(arg, &end, 0);
321 if (!end || end == arg || *end || i > 255)
328 static char * rtnl_rtdsfield_tab[256] = {
332 static int rtnl_rtdsfield_init;
334 static void rtnl_rtdsfield_initialize(void)
336 rtnl_rtdsfield_init = 1;
337 rtnl_tab_initialize("/etc/iproute2/rt_dsfield",
338 rtnl_rtdsfield_tab, 256);
341 char * rtnl_dsfield_n2a(int id, char *buf, int len)
343 if (id<0 || id>=256) {
344 snprintf(buf, len, "%d", id);
347 if (!rtnl_rtdsfield_tab[id]) {
348 if (!rtnl_rtdsfield_init)
349 rtnl_rtdsfield_initialize();
351 if (rtnl_rtdsfield_tab[id])
352 return rtnl_rtdsfield_tab[id];
353 snprintf(buf, len, "0x%02x", id);
358 int rtnl_dsfield_a2n(uint32_t *id, char *arg)
360 static char *cache = NULL;
361 static unsigned long res;
365 if (cache && strcmp(cache, arg) == 0) {
370 if (!rtnl_rtdsfield_init)
371 rtnl_rtdsfield_initialize();
373 for (i=0; i<256; i++) {
374 if (rtnl_rtdsfield_tab[i] &&
375 strcmp(rtnl_rtdsfield_tab[i], arg) == 0) {
376 cache = rtnl_rtdsfield_tab[i];
383 res = strtoul(arg, &end, 16);
384 if (!end || end == arg || *end || res > 255)