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Diffstat (limited to 'release/src/router/busybox/networking/libiproute/rt_names.c')
-rw-r--r--release/src/router/busybox/networking/libiproute/rt_names.c320
1 files changed, 142 insertions, 178 deletions
diff --git a/release/src/router/busybox/networking/libiproute/rt_names.c b/release/src/router/busybox/networking/libiproute/rt_names.c
index d503645b..e4d10613 100644
--- a/release/src/router/busybox/networking/libiproute/rt_names.c
+++ b/release/src/router/busybox/networking/libiproute/rt_names.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
/*
* rt_names.c rtnetlink names DB.
*
@@ -8,84 +9,66 @@
*
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdint.h>
+#include "libbb.h"
+#include "rt_names.h"
-static void rtnl_tab_initialize(char *file, char **tab, int size)
+/* so far all callers have size == 256 */
+#define rtnl_tab_initialize(file, tab, size) rtnl_tab_initialize(file, tab)
+#define size 256
+static void rtnl_tab_initialize(const char *file, const 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;
+ char *token[2];
+ parser_t *parser = config_open2(file, fopen_for_read);
+ while (config_read(parser, token, 2, 2, "# \t", PARSE_NORMAL)) {
+ int id = bb_strtou(token[0], NULL, 0);
+ if (id < 0 || id > size) {
+ bb_error_msg("database %s is corrupted at line %d",
+ file, parser->lineno);
+ break;
}
-
- if (id<0 || id>size)
- continue;
-
- tab[id] = strdup(namebuf);
+ tab[id] = xstrdup(token[1]);
}
- fclose(fp);
+ config_close(parser);
}
+#undef size
-
-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 const char **rtnl_rtprot_tab; /* [256] */
static void rtnl_rtprot_initialize(void)
{
- rtnl_rtprot_init = 1;
+ static const char *const init_tab[] = {
+ "none",
+ "redirect",
+ "kernel",
+ "boot",
+ "static",
+ NULL,
+ NULL,
+ NULL,
+ "gated",
+ "ra",
+ "mrt",
+ "zebra",
+ "bird",
+ };
+ if (rtnl_rtprot_tab) return;
+ rtnl_rtprot_tab = xzalloc(256 * sizeof(rtnl_rtprot_tab[0]));
+ memcpy(rtnl_rtprot_tab, init_tab, sizeof(init_tab));
rtnl_tab_initialize("/etc/iproute2/rt_protos",
rtnl_rtprot_tab, 256);
}
-char * rtnl_rtprot_n2a(int id, char *buf, int len)
+
+const char* rtnl_rtprot_n2a(int id, char *buf, int len)
{
- if (id<0 || id>=256) {
+ if (id < 0 || id >= 256) {
snprintf(buf, len, "%d", id);
return buf;
}
- if (!rtnl_rtprot_tab[id]) {
- if (!rtnl_rtprot_init)
- rtnl_rtprot_initialize();
- }
+
+ rtnl_rtprot_initialize();
+
if (rtnl_rtprot_tab[id])
return rtnl_rtprot_tab[id];
snprintf(buf, len, "%d", id);
@@ -94,9 +77,8 @@ char * rtnl_rtprot_n2a(int id, char *buf, int len)
int rtnl_rtprot_a2n(uint32_t *id, char *arg)
{
- static char *cache = NULL;
+ static const char *cache = NULL;
static unsigned long res;
- char *end;
int i;
if (cache && strcmp(cache, arg) == 0) {
@@ -104,10 +86,9 @@ int rtnl_rtprot_a2n(uint32_t *id, char *arg)
return 0;
}
- if (!rtnl_rtprot_init)
- rtnl_rtprot_initialize();
+ rtnl_rtprot_initialize();
- for (i=0; i<256; i++) {
+ for (i = 0; i < 256; i++) {
if (rtnl_rtprot_tab[i] &&
strcmp(rtnl_rtprot_tab[i], arg) == 0) {
cache = rtnl_rtprot_tab[i];
@@ -117,24 +98,21 @@ int rtnl_rtprot_a2n(uint32_t *id, char *arg)
}
}
- res = strtoul(arg, &end, 0);
- if (!end || end == arg || *end || res > 255)
+ res = bb_strtoul(arg, NULL, 0);
+ if (errno || res > 255)
return -1;
*id = res;
return 0;
}
-
-static char * rtnl_rtscope_tab[256] = {
- "global",
-};
-
-static int rtnl_rtscope_init;
+static const char **rtnl_rtscope_tab; /* [256] */
static void rtnl_rtscope_initialize(void)
{
- rtnl_rtscope_init = 1;
+ if (rtnl_rtscope_tab) return;
+ rtnl_rtscope_tab = xzalloc(256 * sizeof(rtnl_rtscope_tab[0]));
+ rtnl_rtscope_tab[0] = "global";
rtnl_rtscope_tab[255] = "nowhere";
rtnl_rtscope_tab[254] = "host";
rtnl_rtscope_tab[253] = "link";
@@ -143,16 +121,16 @@ static void rtnl_rtscope_initialize(void)
rtnl_rtscope_tab, 256);
}
-char * rtnl_rtscope_n2a(int id, char *buf, int len)
+
+const char* rtnl_rtscope_n2a(int id, char *buf, int len)
{
- if (id<0 || id>=256) {
+ if (id < 0 || id >= 256) {
snprintf(buf, len, "%d", id);
return buf;
}
- if (!rtnl_rtscope_tab[id]) {
- if (!rtnl_rtscope_init)
- rtnl_rtscope_initialize();
- }
+
+ rtnl_rtscope_initialize();
+
if (rtnl_rtscope_tab[id])
return rtnl_rtscope_tab[id];
snprintf(buf, len, "%d", id);
@@ -161,9 +139,8 @@ char * rtnl_rtscope_n2a(int id, char *buf, int len)
int rtnl_rtscope_a2n(uint32_t *id, char *arg)
{
- static char *cache = NULL;
+ static const char *cache = NULL;
static unsigned long res;
- char *end;
int i;
if (cache && strcmp(cache, arg) == 0) {
@@ -171,10 +148,9 @@ int rtnl_rtscope_a2n(uint32_t *id, char *arg)
return 0;
}
- if (!rtnl_rtscope_init)
- rtnl_rtscope_initialize();
+ rtnl_rtscope_initialize();
- for (i=0; i<256; i++) {
+ for (i = 0; i < 256; i++) {
if (rtnl_rtscope_tab[i] &&
strcmp(rtnl_rtscope_tab[i], arg) == 0) {
cache = rtnl_rtscope_tab[i];
@@ -184,50 +160,30 @@ int rtnl_rtscope_a2n(uint32_t *id, char *arg)
}
}
- res = strtoul(arg, &end, 0);
- if (!end || end == arg || *end || res > 255)
+ res = bb_strtoul(arg, NULL, 0);
+ if (errno || res > 255)
return -1;
*id = res;
return 0;
}
-
-static char * rtnl_rtrealm_tab[256] = {
- "unknown",
-};
-
-static int rtnl_rtrealm_init;
+static const char **rtnl_rtrealm_tab; /* [256] */
static void rtnl_rtrealm_initialize(void)
{
- rtnl_rtrealm_init = 1;
+ if (rtnl_rtrealm_tab) return;
+ rtnl_rtrealm_tab = xzalloc(256 * sizeof(rtnl_rtrealm_tab[0]));
+ rtnl_rtrealm_tab[0] = "unknown";
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 const char *cache = NULL;
static unsigned long res;
- char *end;
int i;
if (cache && strcmp(cache, arg) == 0) {
@@ -235,10 +191,9 @@ int rtnl_rtrealm_a2n(uint32_t *id, char *arg)
return 0;
}
- if (!rtnl_rtrealm_init)
- rtnl_rtrealm_initialize();
+ rtnl_rtrealm_initialize();
- for (i=0; i<256; i++) {
+ for (i = 0; i < 256; i++) {
if (rtnl_rtrealm_tab[i] &&
strcmp(rtnl_rtrealm_tab[i], arg) == 0) {
cache = rtnl_rtrealm_tab[i];
@@ -248,51 +203,63 @@ int rtnl_rtrealm_a2n(uint32_t *id, char *arg)
}
}
- res = strtoul(arg, &end, 0);
- if (!end || end == arg || *end || res > 255)
+ res = bb_strtoul(arg, NULL, 0);
+ if (errno || res > 255)
return -1;
*id = res;
return 0;
}
+#if ENABLE_FEATURE_IP_RULE
+const char* rtnl_rtrealm_n2a(int id, char *buf, int len)
+{
+ if (id < 0 || id >= 256) {
+ snprintf(buf, len, "%d", id);
+ return buf;
+ }
+
+ rtnl_rtrealm_initialize();
+ if (rtnl_rtrealm_tab[id])
+ return rtnl_rtrealm_tab[id];
+ snprintf(buf, len, "%d", id);
+ return buf;
+}
+#endif
-static char * rtnl_rttable_tab[256] = {
- "unspec",
-};
-static int rtnl_rttable_init;
+static const char **rtnl_rtdsfield_tab; /* [256] */
-static void rtnl_rttable_initialize(void)
+static void rtnl_rtdsfield_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);
+ if (rtnl_rtdsfield_tab) return;
+ rtnl_rtdsfield_tab = xzalloc(256 * sizeof(rtnl_rtdsfield_tab[0]));
+ rtnl_rtdsfield_tab[0] = "0";
+ rtnl_tab_initialize("/etc/iproute2/rt_dsfield",
+ rtnl_rtdsfield_tab, 256);
}
-char * rtnl_rttable_n2a(int id, char *buf, int len)
+
+const char * rtnl_dsfield_n2a(int id, char *buf, int len)
{
- if (id<0 || id>=256) {
+ 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);
+
+ rtnl_rtdsfield_initialize();
+
+ if (rtnl_rtdsfield_tab[id])
+ return rtnl_rtdsfield_tab[id];
+ snprintf(buf, len, "0x%02x", id);
return buf;
}
-int rtnl_rttable_a2n(uint32_t *id, char *arg)
+
+int rtnl_dsfield_a2n(uint32_t *id, char *arg)
{
- static char *cache = NULL;
+ static const char *cache = NULL;
static unsigned long res;
- char *end;
int i;
if (cache && strcmp(cache, arg) == 0) {
@@ -300,62 +267,60 @@ int rtnl_rttable_a2n(uint32_t *id, char *arg)
return 0;
}
- if (!rtnl_rttable_init)
- rtnl_rttable_initialize();
+ rtnl_rtdsfield_initialize();
- for (i=0; i<256; i++) {
- if (rtnl_rttable_tab[i] &&
- strcmp(rtnl_rttable_tab[i], arg) == 0) {
- cache = rtnl_rttable_tab[i];
+ 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;
}
}
- i = strtoul(arg, &end, 0);
- if (!end || end == arg || *end || i > 255)
+ res = bb_strtoul(arg, NULL, 16);
+ if (errno || res > 255)
return -1;
- *id = i;
+ *id = res;
return 0;
}
-static char * rtnl_rtdsfield_tab[256] = {
- "0",
-};
+#if ENABLE_FEATURE_IP_RULE
+static const char **rtnl_rttable_tab; /* [256] */
-static int rtnl_rtdsfield_init;
-
-static void rtnl_rtdsfield_initialize(void)
+static void rtnl_rttable_initialize(void)
{
- rtnl_rtdsfield_init = 1;
- rtnl_tab_initialize("/etc/iproute2/rt_dsfield",
- rtnl_rtdsfield_tab, 256);
+ if (rtnl_rtdsfield_tab) return;
+ rtnl_rttable_tab = xzalloc(256 * sizeof(rtnl_rttable_tab[0]));
+ rtnl_rttable_tab[0] = "unspec";
+ rtnl_rttable_tab[255] = "local";
+ rtnl_rttable_tab[254] = "main";
+ rtnl_rttable_tab[253] = "default";
+ rtnl_tab_initialize("/etc/iproute2/rt_tables", rtnl_rttable_tab, 256);
}
-char * rtnl_dsfield_n2a(int id, char *buf, int len)
+
+const char *rtnl_rttable_n2a(int id, char *buf, int len)
{
- if (id<0 || id>=256) {
+ 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);
+
+ rtnl_rttable_initialize();
+
+ if (rtnl_rttable_tab[id])
+ return rtnl_rttable_tab[id];
+ snprintf(buf, len, "%d", id);
return buf;
}
-
-int rtnl_dsfield_a2n(uint32_t *id, char *arg)
+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) {
@@ -363,23 +328,22 @@ int rtnl_dsfield_a2n(uint32_t *id, char *arg)
return 0;
}
- if (!rtnl_rtdsfield_init)
- rtnl_rtdsfield_initialize();
+ rtnl_rttable_initialize();
- for (i=0; i<256; i++) {
- if (rtnl_rtdsfield_tab[i] &&
- strcmp(rtnl_rtdsfield_tab[i], arg) == 0) {
- cache = rtnl_rtdsfield_tab[i];
+ for (i = 0; i < 256; i++) {
+ if (rtnl_rttable_tab[i] && strcmp(rtnl_rttable_tab[i], arg) == 0) {
+ cache = (char*)rtnl_rttable_tab[i];
res = i;
*id = res;
return 0;
}
}
- res = strtoul(arg, &end, 16);
- if (!end || end == arg || *end || res > 255)
+ i = bb_strtoul(arg, NULL, 0);
+ if (errno || i > 255)
return -1;
- *id = res;
+ *id = i;
return 0;
}
+#endif