projects / mirror_iproute2.git / blame
| Commit | Line | Data |
|---|---|---|
| aba5acdf SH |
1 | /* |
| 2 | * rt_names.c rtnetlink names DB. | |
| 3 | * | |
| 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. | |
| 8 | * | |
| 9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> | |
| 10 | */ | |
| 11 | ||
| 12 | #include <stdio.h> | |
| 13 | #include <stdlib.h> | |
| 14 | #include <unistd.h> | |
| 15 | #include <syslog.h> | |
| 16 | #include <fcntl.h> | |
| 17 | #include <string.h> | |
| 18 | #include <sys/time.h> | |
| 19 | ||
| 20 | static void rtnl_tab_initialize(char *file, char **tab, int size) | |
| 21 | { | |
| 22 | char buf[512]; | |
| 23 | FILE *fp; | |
| 24 | ||
| 25 | fp = fopen(file, "r"); | |
| 26 | if (!fp) | |
| 27 | return; | |
| 28 | while (fgets(buf, sizeof(buf), fp)) { | |
| 29 | char *p = buf; | |
| 30 | int id; | |
| 31 | char namebuf[512]; | |
| 32 | ||
| 33 | while (*p == ' ' || *p == '\t') | |
| 34 | p++; | |
| 35 | if (*p == '#' || *p == '\n' || *p == 0) | |
| 36 | continue; | |
| 37 | if (sscanf(p, "0x%x %s\n", &id, namebuf) != 2 && | |
| 38 | sscanf(p, "0x%x %s #", &id, namebuf) != 2 && | |
| 39 | sscanf(p, "%d %s\n", &id, namebuf) != 2 && | |
| 40 | sscanf(p, "%d %s #", &id, namebuf) != 2) { | |
| 41 | fprintf(stderr, "Database %s is corrupted at %s\n", | |
| 42 | file, p); | |
| 43 | return; | |
| 44 | } | |
| 45 | ||
| 46 | if (id<0 || id>size) | |
| 47 | continue; | |
| 48 | ||
| 49 | tab[id] = strdup(namebuf); | |
| 50 | } | |
| 51 | fclose(fp); | |
| 52 | } | |
| 53 | ||
| 54 | ||
| 55 | static char * rtnl_rtprot_tab[256] = { | |
| 56 | "none", | |
| 57 | "redirect", | |
| 58 | "kernel", | |
| 59 | "boot", | |
| 60 | "static", | |
| 61 | NULL, | |
| 62 | NULL, | |
| 63 | NULL, | |
| 64 | "gated", | |
| 65 | "ra", | |
| 66 | "mrt", | |
| 67 | "zebra", | |
| 68 | "bird", | |
| 69 | }; | |
| 70 | ||
| 71 | ||
| 72 | ||
| 73 | static int rtnl_rtprot_init; | |
| 74 | ||
| 75 | static void rtnl_rtprot_initialize(void) | |
| 76 | { | |
| 77 | rtnl_rtprot_init = 1; | |
| 78 | rtnl_tab_initialize("/etc/iproute2/rt_protos", | |
| 79 | rtnl_rtprot_tab, 256); | |
| 80 | } | |
| 81 | ||
| 82 | char * rtnl_rtprot_n2a(int id, char *buf, int len) | |
| 83 | { | |
| 84 | if (id<0 || id>=256) { | |
| 85 | snprintf(buf, len, "%d", id); | |
| 86 | return buf; | |
| 87 | } | |
| 88 | if (!rtnl_rtprot_tab[id]) { | |
| 89 | if (!rtnl_rtprot_init) | |
| 90 | rtnl_rtprot_initialize(); | |
| 91 | } | |
| 92 | if (rtnl_rtprot_tab[id]) | |
| 93 | return rtnl_rtprot_tab[id]; | |
| 94 | snprintf(buf, len, "%d", id); | |
| 95 | return buf; | |
| 96 | } | |
| 97 | ||
| 98 | int rtnl_rtprot_a2n(__u32 *id, char *arg) | |
| 99 | { | |
| 100 | static char *cache = NULL; | |
| 101 | static unsigned long res; | |
| 102 | char *end; | |
| 103 | int i; | |
| 104 | ||
| 105 | if (cache && strcmp(cache, arg) == 0) { | |
| 106 | *id = res; | |
| 107 | return 0; | |
| 108 | } | |
| 109 | ||
| 110 | if (!rtnl_rtprot_init) | |
| 111 | rtnl_rtprot_initialize(); | |
| 112 | ||
| 113 | for (i=0; i<256; i++) { | |
| 114 | if (rtnl_rtprot_tab[i] && | |
| 115 | strcmp(rtnl_rtprot_tab[i], arg) == 0) { | |
| 116 | cache = rtnl_rtprot_tab[i]; | |
| 117 | res = i; | |
| 118 | *id = res; | |
| 119 | return 0; | |
| 120 | } | |
| 121 | } | |
| 122 | ||
| 123 | res = strtoul(arg, &end, 0); | |
| 124 | if (!end || end == arg || *end || res > 255) | |
| 125 | return -1; | |
| 126 | *id = res; | |
| 127 | return 0; | |
| 128 | } | |
| 129 | ||
| 130 | ||
| 131 | ||
| 132 | static char * rtnl_rtscope_tab[256] = { | |
| 133 | "global", | |
| 134 | }; | |
| 135 | ||
| 136 | static int rtnl_rtscope_init; | |
| 137 | ||
| 138 | static void rtnl_rtscope_initialize(void) | |
| 139 | { | |
| 140 | rtnl_rtscope_init = 1; | |
| 141 | rtnl_rtscope_tab[255] = "nowhere"; | |
| 142 | rtnl_rtscope_tab[254] = "host"; | |
| 143 | rtnl_rtscope_tab[253] = "link"; | |
| 144 | rtnl_rtscope_tab[200] = "site"; | |
| 145 | rtnl_tab_initialize("/etc/iproute2/rt_scopes", | |
| 146 | rtnl_rtscope_tab, 256); | |
| 147 | } | |
| 148 | ||
| 149 | char * rtnl_rtscope_n2a(int id, char *buf, int len) | |
| 150 | { | |
| 151 | if (id<0 || id>=256) { | |
| 152 | snprintf(buf, len, "%d", id); | |
| 153 | return buf; | |
| 154 | } | |
| 155 | if (!rtnl_rtscope_tab[id]) { | |
| 156 | if (!rtnl_rtscope_init) | |
| 157 | rtnl_rtscope_initialize(); | |
| 158 | } | |
| 159 | if (rtnl_rtscope_tab[id]) | |
| 160 | return rtnl_rtscope_tab[id]; | |
| 161 | snprintf(buf, len, "%d", id); | |
| 162 | return buf; | |
| 163 | } | |
| 164 | ||
| 165 | int rtnl_rtscope_a2n(__u32 *id, char *arg) | |
| 166 | { | |
| 167 | static char *cache = NULL; | |
| 168 | static unsigned long res; | |
| 169 | char *end; | |
| 170 | int i; | |
| 171 | ||
| 172 | if (cache && strcmp(cache, arg) == 0) { | |
| 173 | *id = res; | |
| 174 | return 0; | |
| 175 | } | |
| 176 | ||
| 177 | if (!rtnl_rtscope_init) | |
| 178 | rtnl_rtscope_initialize(); | |
| 179 | ||
| 180 | for (i=0; i<256; i++) { | |
| 181 | if (rtnl_rtscope_tab[i] && | |
| 182 | strcmp(rtnl_rtscope_tab[i], arg) == 0) { | |
| 183 | cache = rtnl_rtscope_tab[i]; | |
| 184 | res = i; | |
| 185 | *id = res; | |
| 186 | return 0; | |
| 187 | } | |
| 188 | } | |
| 189 | ||
| 190 | res = strtoul(arg, &end, 0); | |
| 191 | if (!end || end == arg || *end || res > 255) | |
| 192 | return -1; | |
| 193 | *id = res; | |
| 194 | return 0; | |
| 195 | } | |
| 196 | ||
| 197 | ||
| 198 | ||
| 199 | static char * rtnl_rtrealm_tab[256] = { | |
| 200 | "unknown", | |
| 201 | }; | |
| 202 | ||
| 203 | static int rtnl_rtrealm_init; | |
| 204 | ||
| 205 | static void rtnl_rtrealm_initialize(void) | |
| 206 | { | |
| 207 | rtnl_rtrealm_init = 1; | |
| 208 | rtnl_tab_initialize("/etc/iproute2/rt_realms", | |
| 209 | rtnl_rtrealm_tab, 256); | |
| 210 | } | |
| 211 | ||
| 212 | char * rtnl_rtrealm_n2a(int id, char *buf, int len) | |
| 213 | { | |
| 214 | if (id<0 || id>=256) { | |
| 215 | snprintf(buf, len, "%d", id); | |
| 216 | return buf; | |
| 217 | } | |
| 218 | if (!rtnl_rtrealm_tab[id]) { | |
| 219 | if (!rtnl_rtrealm_init) | |
| 220 | rtnl_rtrealm_initialize(); | |
| 221 | } | |
| 222 | if (rtnl_rtrealm_tab[id]) | |
| 223 | return rtnl_rtrealm_tab[id]; | |
| 224 | snprintf(buf, len, "%d", id); | |
| 225 | return buf; | |
| 226 | } | |
| 227 | ||
| 228 | ||
| 229 | int rtnl_rtrealm_a2n(__u32 *id, char *arg) | |
| 230 | { | |
| 231 | static char *cache = NULL; | |
| 232 | static unsigned long res; | |
| 233 | char *end; | |
| 234 | int i; | |
| 235 | ||
| 236 | if (cache && strcmp(cache, arg) == 0) { | |
| 237 | *id = res; | |
| 238 | return 0; | |
| 239 | } | |
| 240 | ||
| 241 | if (!rtnl_rtrealm_init) | |
| 242 | rtnl_rtrealm_initialize(); | |
| 243 | ||
| 244 | for (i=0; i<256; i++) { | |
| 245 | if (rtnl_rtrealm_tab[i] && | |
| 246 | strcmp(rtnl_rtrealm_tab[i], arg) == 0) { | |
| 247 | cache = rtnl_rtrealm_tab[i]; | |
| 248 | res = i; | |
| 249 | *id = res; | |
| 250 | return 0; | |
| 251 | } | |
| 252 | } | |
| 253 | ||
| 254 | res = strtoul(arg, &end, 0); | |
| 255 | if (!end || end == arg || *end || res > 255) | |
| 256 | return -1; | |
| 257 | *id = res; | |
| 258 | return 0; | |
| 259 | } | |
| 260 | ||
| 261 | ||
| 262 | ||
| 263 | static char * rtnl_rttable_tab[256] = { | |
| 264 | "unspec", | |
| 265 | }; | |
| 266 | ||
| 267 | static int rtnl_rttable_init; | |
| 268 | ||
| 269 | static void rtnl_rttable_initialize(void) | |
| 270 | { | |
| 271 | rtnl_rttable_init = 1; | |
| 272 | rtnl_rttable_tab[255] = "local"; | |
| 273 | rtnl_rttable_tab[254] = "main"; | |
| 274 | rtnl_tab_initialize("/etc/iproute2/rt_tables", | |
| 275 | rtnl_rttable_tab, 256); | |
| 276 | } | |
| 277 | ||
| 278 | char * rtnl_rttable_n2a(int id, char *buf, int len) | |
| 279 | { | |
| 280 | if (id<0 || id>=256) { | |
| 281 | snprintf(buf, len, "%d", id); | |
| 282 | return buf; | |
| 283 | } | |
| 284 | if (!rtnl_rttable_tab[id]) { | |
| 285 | if (!rtnl_rttable_init) | |
| 286 | rtnl_rttable_initialize(); | |
| 287 | } | |
| 288 | if (rtnl_rttable_tab[id]) | |
| 289 | return rtnl_rttable_tab[id]; | |
| 290 | snprintf(buf, len, "%d", id); | |
| 291 | return buf; | |
| 292 | } | |
| 293 | ||
| 294 | int rtnl_rttable_a2n(__u32 *id, char *arg) | |
| 295 | { | |
| 296 | static char *cache = NULL; | |
| 297 | static unsigned long res; | |
| 298 | char *end; | |
| 299 | int i; | |
| 300 | ||
| 301 | if (cache && strcmp(cache, arg) == 0) { | |
| 302 | *id = res; | |
| 303 | return 0; | |
| 304 | } | |
| 305 | ||
| 306 | if (!rtnl_rttable_init) | |
| 307 | rtnl_rttable_initialize(); | |
| 308 | ||
| 309 | for (i=0; i<256; i++) { | |
| 310 | if (rtnl_rttable_tab[i] && | |
| 311 | strcmp(rtnl_rttable_tab[i], arg) == 0) { | |
| 312 | cache = rtnl_rttable_tab[i]; | |
| 313 | res = i; | |
| 314 | *id = res; | |
| 315 | return 0; | |
| 316 | } | |
| 317 | } | |
| 318 | ||
| 319 | i = strtoul(arg, &end, 0); | |
| 320 | if (!end || end == arg || *end || i > 255) | |
| 321 | return -1; | |
| 322 | *id = i; | |
| 323 | return 0; | |
| 324 | } | |
| 325 | ||
| 326 | ||
| 327 | static char * rtnl_rtdsfield_tab[256] = { | |
| 328 | "0", | |
| 329 | }; | |
| 330 | ||
| 331 | static int rtnl_rtdsfield_init; | |
| 332 | ||
| 333 | static void rtnl_rtdsfield_initialize(void) | |
| 334 | { | |
| 335 | rtnl_rtdsfield_init = 1; | |
| 336 | rtnl_tab_initialize("/etc/iproute2/rt_dsfield", | |
| 337 | rtnl_rtdsfield_tab, 256); | |
| 338 | } | |
| 339 | ||
| 340 | char * rtnl_dsfield_n2a(int id, char *buf, int len) | |
| 341 | { | |
| 342 | if (id<0 || id>=256) { | |
| 343 | snprintf(buf, len, "%d", id); | |
| 344 | return buf; | |
| 345 | } | |
| 346 | if (!rtnl_rtdsfield_tab[id]) { | |
| 347 | if (!rtnl_rtdsfield_init) | |
| 348 | rtnl_rtdsfield_initialize(); | |
| 349 | } | |
| 350 | if (rtnl_rtdsfield_tab[id]) | |
| 351 | return rtnl_rtdsfield_tab[id]; | |
| 352 | snprintf(buf, len, "0x%02x", id); | |
| 353 | return buf; | |
| 354 | } | |
| 355 | ||
| 356 | ||
| 357 | int rtnl_dsfield_a2n(__u32 *id, char *arg) | |
| 358 | { | |
| 359 | static char *cache = NULL; | |
| 360 | static unsigned long res; | |
| 361 | char *end; | |
| 362 | int i; | |
| 363 | ||
| 364 | if (cache && strcmp(cache, arg) == 0) { | |
| 365 | *id = res; | |
| 366 | return 0; | |
| 367 | } | |
| 368 | ||
| 369 | if (!rtnl_rtdsfield_init) | |
| 370 | rtnl_rtdsfield_initialize(); | |
| 371 | ||
| 372 | for (i=0; i<256; i++) { | |
| 373 | if (rtnl_rtdsfield_tab[i] && | |
| 374 | strcmp(rtnl_rtdsfield_tab[i], arg) == 0) { | |
| 375 | cache = rtnl_rtdsfield_tab[i]; | |
| 376 | res = i; | |
| 377 | *id = res; | |
| 378 | return 0; | |
| 379 | } | |
| 380 | } | |
| 381 | ||
| 382 | res = strtoul(arg, &end, 16); | |
| 383 | if (!end || end == arg || *end || res > 255) | |
| 384 | return -1; | |
| 385 | *id = res; | |
| 386 | return 0; | |
| 387 | } | |
| 388 |