386 lines
6.8 KiB
C
386 lines
6.8 KiB
C
/*
|
|
* rt_names.c rtnetlink names DB.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*
|
|
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <stdint.h>
|
|
|
|
static void rtnl_tab_initialize(char *file, char **tab, int size)
|
|
{
|
|
char buf[512];
|
|
FILE *fp;
|
|
|
|
fp = fopen(file, "r");
|
|
if (!fp)
|
|
return;
|
|
while (fgets(buf, sizeof(buf), fp)) {
|
|
char *p = buf;
|
|
int id;
|
|
char namebuf[512];
|
|
|
|
while (*p == ' ' || *p == '\t')
|
|
p++;
|
|
if (*p == '#' || *p == '\n' || *p == 0)
|
|
continue;
|
|
if (sscanf(p, "0x%x %s\n", &id, namebuf) != 2 &&
|
|
sscanf(p, "0x%x %s #", &id, namebuf) != 2 &&
|
|
sscanf(p, "%d %s\n", &id, namebuf) != 2 &&
|
|
sscanf(p, "%d %s #", &id, namebuf) != 2) {
|
|
fprintf(stderr, "Database %s is corrupted at %s\n",
|
|
file, p);
|
|
return;
|
|
}
|
|
|
|
if (id<0 || id>size)
|
|
continue;
|
|
|
|
tab[id] = strdup(namebuf);
|
|
}
|
|
fclose(fp);
|
|
}
|
|
|
|
|
|
static char * rtnl_rtprot_tab[256] = {
|
|
"none",
|
|
"redirect",
|
|
"kernel",
|
|
"boot",
|
|
"static",
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
"gated",
|
|
"ra",
|
|
"mrt",
|
|
"zebra",
|
|
"bird",
|
|
};
|
|
|
|
|
|
|
|
static int rtnl_rtprot_init;
|
|
|
|
static void rtnl_rtprot_initialize(void)
|
|
{
|
|
rtnl_rtprot_init = 1;
|
|
rtnl_tab_initialize("/etc/iproute2/rt_protos",
|
|
rtnl_rtprot_tab, 256);
|
|
}
|
|
|
|
char * rtnl_rtprot_n2a(int id, char *buf, int len)
|
|
{
|
|
if (id<0 || id>=256) {
|
|
snprintf(buf, len, "%d", id);
|
|
return buf;
|
|
}
|
|
if (!rtnl_rtprot_tab[id]) {
|
|
if (!rtnl_rtprot_init)
|
|
rtnl_rtprot_initialize();
|
|
}
|
|
if (rtnl_rtprot_tab[id])
|
|
return rtnl_rtprot_tab[id];
|
|
snprintf(buf, len, "%d", id);
|
|
return buf;
|
|
}
|
|
|
|
int rtnl_rtprot_a2n(uint32_t *id, char *arg)
|
|
{
|
|
static char *cache = NULL;
|
|
static unsigned long res;
|
|
char *end;
|
|
int i;
|
|
|
|
if (cache && strcmp(cache, arg) == 0) {
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
|
|
if (!rtnl_rtprot_init)
|
|
rtnl_rtprot_initialize();
|
|
|
|
for (i=0; i<256; i++) {
|
|
if (rtnl_rtprot_tab[i] &&
|
|
strcmp(rtnl_rtprot_tab[i], arg) == 0) {
|
|
cache = rtnl_rtprot_tab[i];
|
|
res = i;
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
res = strtoul(arg, &end, 0);
|
|
if (!end || end == arg || *end || res > 255)
|
|
return -1;
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
static char * rtnl_rtscope_tab[256] = {
|
|
"global",
|
|
};
|
|
|
|
static int rtnl_rtscope_init;
|
|
|
|
static void rtnl_rtscope_initialize(void)
|
|
{
|
|
rtnl_rtscope_init = 1;
|
|
rtnl_rtscope_tab[255] = "nowhere";
|
|
rtnl_rtscope_tab[254] = "host";
|
|
rtnl_rtscope_tab[253] = "link";
|
|
rtnl_rtscope_tab[200] = "site";
|
|
rtnl_tab_initialize("/etc/iproute2/rt_scopes",
|
|
rtnl_rtscope_tab, 256);
|
|
}
|
|
|
|
char * rtnl_rtscope_n2a(int id, char *buf, int len)
|
|
{
|
|
if (id<0 || id>=256) {
|
|
snprintf(buf, len, "%d", id);
|
|
return buf;
|
|
}
|
|
if (!rtnl_rtscope_tab[id]) {
|
|
if (!rtnl_rtscope_init)
|
|
rtnl_rtscope_initialize();
|
|
}
|
|
if (rtnl_rtscope_tab[id])
|
|
return rtnl_rtscope_tab[id];
|
|
snprintf(buf, len, "%d", id);
|
|
return buf;
|
|
}
|
|
|
|
int rtnl_rtscope_a2n(uint32_t *id, char *arg)
|
|
{
|
|
static char *cache = NULL;
|
|
static unsigned long res;
|
|
char *end;
|
|
int i;
|
|
|
|
if (cache && strcmp(cache, arg) == 0) {
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
|
|
if (!rtnl_rtscope_init)
|
|
rtnl_rtscope_initialize();
|
|
|
|
for (i=0; i<256; i++) {
|
|
if (rtnl_rtscope_tab[i] &&
|
|
strcmp(rtnl_rtscope_tab[i], arg) == 0) {
|
|
cache = rtnl_rtscope_tab[i];
|
|
res = i;
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
res = strtoul(arg, &end, 0);
|
|
if (!end || end == arg || *end || res > 255)
|
|
return -1;
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
static char * rtnl_rtrealm_tab[256] = {
|
|
"unknown",
|
|
};
|
|
|
|
static int rtnl_rtrealm_init;
|
|
|
|
static void rtnl_rtrealm_initialize(void)
|
|
{
|
|
rtnl_rtrealm_init = 1;
|
|
rtnl_tab_initialize("/etc/iproute2/rt_realms",
|
|
rtnl_rtrealm_tab, 256);
|
|
}
|
|
|
|
char * rtnl_rtrealm_n2a(int id, char *buf, int len)
|
|
{
|
|
if (id<0 || id>=256) {
|
|
snprintf(buf, len, "%d", id);
|
|
return buf;
|
|
}
|
|
if (!rtnl_rtrealm_tab[id]) {
|
|
if (!rtnl_rtrealm_init)
|
|
rtnl_rtrealm_initialize();
|
|
}
|
|
if (rtnl_rtrealm_tab[id])
|
|
return rtnl_rtrealm_tab[id];
|
|
snprintf(buf, len, "%d", id);
|
|
return buf;
|
|
}
|
|
|
|
|
|
int rtnl_rtrealm_a2n(uint32_t *id, char *arg)
|
|
{
|
|
static char *cache = NULL;
|
|
static unsigned long res;
|
|
char *end;
|
|
int i;
|
|
|
|
if (cache && strcmp(cache, arg) == 0) {
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
|
|
if (!rtnl_rtrealm_init)
|
|
rtnl_rtrealm_initialize();
|
|
|
|
for (i=0; i<256; i++) {
|
|
if (rtnl_rtrealm_tab[i] &&
|
|
strcmp(rtnl_rtrealm_tab[i], arg) == 0) {
|
|
cache = rtnl_rtrealm_tab[i];
|
|
res = i;
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
res = strtoul(arg, &end, 0);
|
|
if (!end || end == arg || *end || res > 255)
|
|
return -1;
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
static char * rtnl_rttable_tab[256] = {
|
|
"unspec",
|
|
};
|
|
|
|
static int rtnl_rttable_init;
|
|
|
|
static void rtnl_rttable_initialize(void)
|
|
{
|
|
rtnl_rttable_init = 1;
|
|
rtnl_rttable_tab[255] = "local";
|
|
rtnl_rttable_tab[254] = "main";
|
|
rtnl_tab_initialize("/etc/iproute2/rt_tables",
|
|
rtnl_rttable_tab, 256);
|
|
}
|
|
|
|
char * rtnl_rttable_n2a(int id, char *buf, int len)
|
|
{
|
|
if (id<0 || id>=256) {
|
|
snprintf(buf, len, "%d", id);
|
|
return buf;
|
|
}
|
|
if (!rtnl_rttable_tab[id]) {
|
|
if (!rtnl_rttable_init)
|
|
rtnl_rttable_initialize();
|
|
}
|
|
if (rtnl_rttable_tab[id])
|
|
return rtnl_rttable_tab[id];
|
|
snprintf(buf, len, "%d", id);
|
|
return buf;
|
|
}
|
|
|
|
int rtnl_rttable_a2n(uint32_t *id, char *arg)
|
|
{
|
|
static char *cache = NULL;
|
|
static unsigned long res;
|
|
char *end;
|
|
int i;
|
|
|
|
if (cache && strcmp(cache, arg) == 0) {
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
|
|
if (!rtnl_rttable_init)
|
|
rtnl_rttable_initialize();
|
|
|
|
for (i=0; i<256; i++) {
|
|
if (rtnl_rttable_tab[i] &&
|
|
strcmp(rtnl_rttable_tab[i], arg) == 0) {
|
|
cache = rtnl_rttable_tab[i];
|
|
res = i;
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
i = strtoul(arg, &end, 0);
|
|
if (!end || end == arg || *end || i > 255)
|
|
return -1;
|
|
*id = i;
|
|
return 0;
|
|
}
|
|
|
|
|
|
static char * rtnl_rtdsfield_tab[256] = {
|
|
"0",
|
|
};
|
|
|
|
static int rtnl_rtdsfield_init;
|
|
|
|
static void rtnl_rtdsfield_initialize(void)
|
|
{
|
|
rtnl_rtdsfield_init = 1;
|
|
rtnl_tab_initialize("/etc/iproute2/rt_dsfield",
|
|
rtnl_rtdsfield_tab, 256);
|
|
}
|
|
|
|
char * rtnl_dsfield_n2a(int id, char *buf, int len)
|
|
{
|
|
if (id<0 || id>=256) {
|
|
snprintf(buf, len, "%d", id);
|
|
return buf;
|
|
}
|
|
if (!rtnl_rtdsfield_tab[id]) {
|
|
if (!rtnl_rtdsfield_init)
|
|
rtnl_rtdsfield_initialize();
|
|
}
|
|
if (rtnl_rtdsfield_tab[id])
|
|
return rtnl_rtdsfield_tab[id];
|
|
snprintf(buf, len, "0x%02x", id);
|
|
return buf;
|
|
}
|
|
|
|
|
|
int rtnl_dsfield_a2n(uint32_t *id, char *arg)
|
|
{
|
|
static char *cache = NULL;
|
|
static unsigned long res;
|
|
char *end;
|
|
int i;
|
|
|
|
if (cache && strcmp(cache, arg) == 0) {
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
|
|
if (!rtnl_rtdsfield_init)
|
|
rtnl_rtdsfield_initialize();
|
|
|
|
for (i=0; i<256; i++) {
|
|
if (rtnl_rtdsfield_tab[i] &&
|
|
strcmp(rtnl_rtdsfield_tab[i], arg) == 0) {
|
|
cache = rtnl_rtdsfield_tab[i];
|
|
res = i;
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
res = strtoul(arg, &end, 16);
|
|
if (!end || end == arg || *end || res > 255)
|
|
return -1;
|
|
*id = res;
|
|
return 0;
|
|
}
|
|
|