#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <syslog.h>
#include <fcntl.h>
#include <string.h>
#include <sys/time.h>
#include <sys/socket.h>
+#include <dirent.h>
+#include <limits.h>
#include <asm/types.h>
#include <linux/rtnetlink.h>
#include "rt_names.h"
+#include "utils.h"
-#ifndef CONFDIR
-#define CONFDIR "/etc/iproute2"
-#endif
+#define NAME_MAX_LEN 512
struct rtnl_hash_entry {
- struct rtnl_hash_entry *next;
- char * name;
+ struct rtnl_hash_entry *next;
+ const char *name;
unsigned int id;
};
-static void
-rtnl_hash_initialize(char *file, struct rtnl_hash_entry **hash, int size)
+static int fread_id_name(FILE *fp, int *id, char *namebuf)
{
- struct rtnl_hash_entry *entry;
- char buf[512];
- FILE *fp;
+ char buf[NAME_MAX_LEN];
- 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) {
+
+ 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) {
+ strcpy(namebuf, p);
+ return -1;
+ }
+ return 1;
+ }
+ return 0;
+}
+
+static void
+rtnl_hash_initialize(const char *file, struct rtnl_hash_entry **hash, int size)
+{
+ struct rtnl_hash_entry *entry;
+ FILE *fp;
+ int id;
+ char namebuf[NAME_MAX_LEN] = {0};
+ int ret;
+
+ fp = fopen(file, "r");
+ if (!fp)
+ return;
+
+ while ((ret = fread_id_name(fp, &id, &namebuf[0]))) {
+ if (ret == -1) {
fprintf(stderr, "Database %s is corrupted at %s\n",
- file, p);
+ file, namebuf);
fclose(fp);
return;
}
- if (id<0)
+ if (id < 0)
continue;
+
entry = malloc(sizeof(*entry));
entry->id = id;
entry->name = strdup(namebuf);
fclose(fp);
}
-static void rtnl_tab_initialize(char *file, char **tab, int size)
+static void rtnl_tab_initialize(const char *file, char **tab, int size)
{
- char buf[512];
FILE *fp;
+ int id;
+ char namebuf[NAME_MAX_LEN] = {0};
+ int ret;
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) {
+ while ((ret = fread_id_name(fp, &id, &namebuf[0]))) {
+ if (ret == -1) {
fprintf(stderr, "Database %s is corrupted at %s\n",
- file, p);
+ file, namebuf);
fclose(fp);
return;
}
-
- if (id<0 || id>size)
+ if (id < 0 || id > size)
continue;
tab[id] = strdup(namebuf);
fclose(fp);
}
-static char * rtnl_rtprot_tab[256] = {
- [RTPROT_UNSPEC] = "none",
- [RTPROT_REDIRECT] ="redirect",
- [RTPROT_KERNEL] = "kernel",
- [RTPROT_BOOT] = "boot",
- [RTPROT_STATIC] = "static",
-
- [RTPROT_GATED] = "gated",
- [RTPROT_RA] = "ra",
- [RTPROT_MRT] = "mrt",
- [RTPROT_ZEBRA] ="zebra",
- [RTPROT_BIRD] = "bird",
+static char *rtnl_rtprot_tab[256] = {
+ [RTPROT_UNSPEC] = "unspec",
+ [RTPROT_REDIRECT] = "redirect",
+ [RTPROT_KERNEL] = "kernel",
+ [RTPROT_BOOT] = "boot",
+ [RTPROT_STATIC] = "static",
+
+ [RTPROT_GATED] = "gated",
+ [RTPROT_RA] = "ra",
+ [RTPROT_MRT] = "mrt",
+ [RTPROT_ZEBRA] = "zebra",
+ [RTPROT_BIRD] = "bird",
+ [RTPROT_BABEL] = "babel",
[RTPROT_DNROUTED] = "dnrouted",
- [RTPROT_XORP] = "xorp",
- [RTPROT_NTK] = "ntk",
- [RTPROT_DHCP] = "dhcp",
+ [RTPROT_XORP] = "xorp",
+ [RTPROT_NTK] = "ntk",
+ [RTPROT_DHCP] = "dhcp",
+ [RTPROT_BGP] = "bgp",
+ [RTPROT_ISIS] = "isis",
+ [RTPROT_OSPF] = "ospf",
+ [RTPROT_RIP] = "rip",
+ [RTPROT_EIGRP] = "eigrp",
};
-
static int rtnl_rtprot_init;
static void rtnl_rtprot_initialize(void)
{
+ struct dirent *de;
+ DIR *d;
+
rtnl_rtprot_init = 1;
rtnl_tab_initialize(CONFDIR "/rt_protos",
rtnl_rtprot_tab, 256);
+
+ d = opendir(CONFDIR "/rt_protos.d");
+ if (!d)
+ return;
+
+ while ((de = readdir(d)) != NULL) {
+ char path[PATH_MAX];
+ size_t len;
+
+ if (*de->d_name == '.')
+ continue;
+
+ /* only consider filenames ending in '.conf' */
+ len = strlen(de->d_name);
+ if (len <= 5)
+ continue;
+ if (strcmp(de->d_name + len - 5, ".conf"))
+ continue;
+
+ snprintf(path, sizeof(path), CONFDIR "/rt_protos.d/%s",
+ de->d_name);
+ rtnl_tab_initialize(path, rtnl_rtprot_tab, 256);
+ }
+ closedir(d);
}
-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) {
- snprintf(buf, len, "%d", id);
+ if (id < 0 || id >= 256) {
+ snprintf(buf, len, "%u", id);
return buf;
}
if (!rtnl_rtprot_tab[id]) {
}
if (rtnl_rtprot_tab[id])
return rtnl_rtprot_tab[id];
- snprintf(buf, len, "%d", id);
+ snprintf(buf, len, "%u", id);
return buf;
}
-int rtnl_rtprot_a2n(__u32 *id, char *arg)
+int rtnl_rtprot_a2n(__u32 *id, const char *arg)
{
- static char *cache = NULL;
+ static char *cache;
static unsigned long res;
char *end;
int i;
if (!rtnl_rtprot_init)
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];
}
-
-static char * rtnl_rtscope_tab[256] = {
- "global",
+static char *rtnl_rtscope_tab[256] = {
+ [RT_SCOPE_UNIVERSE] = "global",
+ [RT_SCOPE_NOWHERE] = "nowhere",
+ [RT_SCOPE_HOST] = "host",
+ [RT_SCOPE_LINK] = "link",
+ [RT_SCOPE_SITE] = "site",
};
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(CONFDIR "/rt_scopes",
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();
}
+
if (rtnl_rtscope_tab[id])
return rtnl_rtscope_tab[id];
+
snprintf(buf, len, "%d", id);
return buf;
}
-int rtnl_rtscope_a2n(__u32 *id, char *arg)
+int rtnl_rtscope_a2n(__u32 *id, const char *arg)
{
- static char *cache = NULL;
+ static const char *cache;
static unsigned long res;
char *end;
int i;
if (!rtnl_rtscope_init)
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];
}
-
-static char * rtnl_rtrealm_tab[256] = {
+static char *rtnl_rtrealm_tab[256] = {
"unknown",
};
rtnl_rtrealm_tab, 256);
}
-char * rtnl_rtrealm_n2a(int id, char *buf, int len)
+const char *rtnl_rtrealm_n2a(int id, char *buf, int len)
{
- if (id<0 || id>=256) {
+ if (id < 0 || id >= 256) {
snprintf(buf, len, "%d", id);
return buf;
}
}
-int rtnl_rtrealm_a2n(__u32 *id, char *arg)
+int rtnl_rtrealm_a2n(__u32 *id, const char *arg)
{
- static char *cache = NULL;
+ static char *cache;
static unsigned long res;
char *end;
int i;
if (!rtnl_rtrealm_init)
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];
}
-static struct rtnl_hash_entry dflt_table_entry = { .id = 253, .name = "default" };
-static struct rtnl_hash_entry main_table_entry = { .id = 254, .name = "main" };
-static struct rtnl_hash_entry local_table_entry = { .id = 255, .name = "local" };
+static struct rtnl_hash_entry dflt_table_entry = { .name = "default" };
+static struct rtnl_hash_entry main_table_entry = { .name = "main" };
+static struct rtnl_hash_entry local_table_entry = { .name = "local" };
-static struct rtnl_hash_entry * rtnl_rttable_hash[256] = {
- [253] = &dflt_table_entry,
- [254] = &main_table_entry,
- [255] = &local_table_entry,
+static struct rtnl_hash_entry *rtnl_rttable_hash[256] = {
+ [RT_TABLE_DEFAULT] = &dflt_table_entry,
+ [RT_TABLE_MAIN] = &main_table_entry,
+ [RT_TABLE_LOCAL] = &local_table_entry,
};
static int rtnl_rttable_init;
static void rtnl_rttable_initialize(void)
{
+ struct dirent *de;
+ DIR *d;
+ int i;
+
rtnl_rttable_init = 1;
+ for (i = 0; i < 256; i++) {
+ if (rtnl_rttable_hash[i])
+ rtnl_rttable_hash[i]->id = i;
+ }
rtnl_hash_initialize(CONFDIR "/rt_tables",
rtnl_rttable_hash, 256);
+
+ d = opendir(CONFDIR "/rt_tables.d");
+ if (!d)
+ return;
+
+ while ((de = readdir(d)) != NULL) {
+ char path[PATH_MAX];
+ size_t len;
+
+ if (*de->d_name == '.')
+ continue;
+
+ /* only consider filenames ending in '.conf' */
+ len = strlen(de->d_name);
+ if (len <= 5)
+ continue;
+ if (strcmp(de->d_name + len - 5, ".conf"))
+ continue;
+
+ snprintf(path, sizeof(path),
+ CONFDIR "/rt_tables.d/%s", de->d_name);
+ rtnl_hash_initialize(path, rtnl_rttable_hash, 256);
+ }
+ closedir(d);
}
-char * rtnl_rttable_n2a(__u32 id, char *buf, int len)
+const char *rtnl_rttable_n2a(__u32 id, char *buf, int len)
{
struct rtnl_hash_entry *entry;
- if (id > RT_TABLE_MAX) {
- snprintf(buf, len, "%u", id);
- return buf;
- }
if (!rtnl_rttable_init)
rtnl_rttable_initialize();
entry = rtnl_rttable_hash[id & 255];
return buf;
}
-int rtnl_rttable_a2n(__u32 *id, char *arg)
+int rtnl_rttable_a2n(__u32 *id, const char *arg)
{
- static char *cache = NULL;
+ static const char *cache;
static unsigned long res;
struct rtnl_hash_entry *entry;
char *end;
- __u32 i;
+ unsigned long i;
if (cache && strcmp(cache, arg) == 0) {
*id = res;
if (!rtnl_rttable_init)
rtnl_rttable_initialize();
- for (i=0; i<256; i++) {
+ for (i = 0; i < 256; i++) {
entry = rtnl_rttable_hash[i];
while (entry && strcmp(entry->name, arg))
entry = entry->next;
}
-static char * rtnl_rtdsfield_tab[256] = {
+static char *rtnl_rtdsfield_tab[256] = {
"0",
};
rtnl_rtdsfield_tab, 256);
}
-char * rtnl_dsfield_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;
}
}
-int rtnl_dsfield_a2n(__u32 *id, char *arg)
+int rtnl_dsfield_a2n(__u32 *id, const char *arg)
{
- static char *cache = NULL;
+ static char *cache;
static unsigned long res;
char *end;
int i;
if (!rtnl_rtdsfield_init)
rtnl_rtdsfield_initialize();
- for (i=0; i<256; i++) {
+ for (i = 0; i < 256; i++) {
if (rtnl_rtdsfield_tab[i] &&
strcmp(rtnl_rtdsfield_tab[i], arg) == 0) {
cache = rtnl_rtdsfield_tab[i];
}
-static struct rtnl_hash_entry dflt_group_entry = { .id = 0, .name = "default" };
+static struct rtnl_hash_entry dflt_group_entry = {
+ .id = 0, .name = "default"
+};
-static struct rtnl_hash_entry * rtnl_group_hash[256] = {
+static struct rtnl_hash_entry *rtnl_group_hash[256] = {
[0] = &dflt_group_entry,
};
static void rtnl_group_initialize(void)
{
rtnl_group_init = 1;
- rtnl_hash_initialize("/etc/iproute2/group",
+ rtnl_hash_initialize(CONFDIR "/group",
rtnl_group_hash, 256);
}
-int rtnl_group_a2n(int *id, char *arg)
+int rtnl_group_a2n(int *id, const char *arg)
{
- static char *cache = NULL;
+ static const char *cache;
static unsigned long res;
struct rtnl_hash_entry *entry;
char *end;
if (!rtnl_group_init)
rtnl_group_initialize();
- for (i=0; i<256; i++) {
+ for (i = 0; i < 256; i++) {
entry = rtnl_group_hash[i];
while (entry && strcmp(entry->name, arg))
entry = entry->next;
*id = i;
return 0;
}
+
+const char *rtnl_group_n2a(int id, char *buf, int len)
+{
+ struct rtnl_hash_entry *entry;
+ int i;
+
+ if (!rtnl_group_init)
+ rtnl_group_initialize();
+
+ for (i = 0; i < 256; i++) {
+ entry = rtnl_group_hash[i];
+
+ while (entry) {
+ if (entry->id == id)
+ return entry->name;
+ entry = entry->next;
+ }
+ }
+
+ snprintf(buf, len, "%d", id);
+ return buf;
+}
+
+static char *nl_proto_tab[256] = {
+ [NETLINK_ROUTE] = "rtnl",
+ [NETLINK_UNUSED] = "unused",
+ [NETLINK_USERSOCK] = "usersock",
+ [NETLINK_FIREWALL] = "fw",
+ [NETLINK_SOCK_DIAG] = "tcpdiag",
+ [NETLINK_NFLOG] = "nflog",
+ [NETLINK_XFRM] = "xfrm",
+ [NETLINK_SELINUX] = "selinux",
+ [NETLINK_ISCSI] = "iscsi",
+ [NETLINK_AUDIT] = "audit",
+ [NETLINK_FIB_LOOKUP] = "fiblookup",
+ [NETLINK_CONNECTOR] = "connector",
+ [NETLINK_NETFILTER] = "nft",
+ [NETLINK_IP6_FW] = "ip6fw",
+ [NETLINK_DNRTMSG] = "dec-rt",
+ [NETLINK_KOBJECT_UEVENT] = "uevent",
+ [NETLINK_GENERIC] = "genl",
+ [NETLINK_SCSITRANSPORT] = "scsi-trans",
+ [NETLINK_ECRYPTFS] = "ecryptfs",
+ [NETLINK_RDMA] = "rdma",
+ [NETLINK_CRYPTO] = "crypto",
+};
+
+static int nl_proto_init;
+
+static void nl_proto_initialize(void)
+{
+ nl_proto_init = 1;
+ rtnl_tab_initialize(CONFDIR "/nl_protos",
+ nl_proto_tab, 256);
+}
+
+const char *nl_proto_n2a(int id, char *buf, int len)
+{
+ if (id < 0 || id >= 256) {
+ snprintf(buf, len, "%u", id);
+ return buf;
+ }
+
+ if (!nl_proto_init)
+ nl_proto_initialize();
+
+ if (nl_proto_tab[id])
+ return nl_proto_tab[id];
+
+ snprintf(buf, len, "%u", id);
+ return buf;
+}
+
+int nl_proto_a2n(__u32 *id, const char *arg)
+{
+ static char *cache;
+ static unsigned long res;
+ char *end;
+ int i;
+
+ if (cache && strcmp(cache, arg) == 0) {
+ *id = res;
+ return 0;
+ }
+
+ if (!nl_proto_init)
+ nl_proto_initialize();
+
+ for (i = 0; i < 256; i++) {
+ if (nl_proto_tab[i] &&
+ strcmp(nl_proto_tab[i], arg) == 0) {
+ cache = nl_proto_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;
+}