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-rw-r--r--lib/ChangeLog8
-rw-r--r--lib/Makefile.am4
-rw-r--r--lib/rt_names.c412
-rw-r--r--lib/rt_names.h28
-rw-r--r--lib/zclient.c5
-rw-r--r--lib/zclient.h7
-rw-r--r--lib/zebra.h4
7 files changed, 466 insertions, 2 deletions
diff --git a/lib/ChangeLog b/lib/ChangeLog
index 01f45ba5..e2c25ca6 100644
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -483,6 +483,14 @@
* memtypes.c: Add MTYPE_BGP_PROCESS_QUEUE and
MTYPE_BGP_CLEAR_NODE_QUEUE
+2005-04-24 Calin Velea <vcalinus@gemenii.ro>
+
+ * rt_names.c, rt_names.h: Library for realm name support - original
+ iproute2 version modified to support name database reloading
+ * zclient.c, zclient.h: API realmto message
+ * zebra.h: Include rt_names.h
+
+
2005-05-24 Paul Jakma <paul@dishone.st>
* memtypes.h: update this auto-built file. (maybe we should just
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 315e919b..2bd25235 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -12,7 +12,7 @@ libzebra_la_SOURCES = \
sockunion.c prefix.c thread.c if.c memory.c buffer.c table.c hash.c \
filter.c routemap.c distribute.c stream.c str.c log.c plist.c \
zclient.c sockopt.c smux.c md5.c if_rmap.c keychain.c privs.c \
- sigevent.c pqueue.c jhash.c memtypes.c workqueue.c
+ sigevent.c pqueue.c jhash.c memtypes.c workqueue.c rt_names.c
BUILT_SOURCES = memtypes.h route_types.h
@@ -27,7 +27,7 @@ pkginclude_HEADERS = \
str.h stream.h table.h thread.h vector.h version.h vty.h zebra.h \
plist.h zclient.h sockopt.h smux.h md5.h if_rmap.h keychain.h \
privs.h sigevent.h pqueue.h jhash.h zassert.h memtypes.h \
- workqueue.h route_types.h
+ workqueue.h route_types.h rt_names.h
EXTRA_DIST = regex.c regex-gnu.h memtypes.awk route_types.awk route_types.txt
diff --git a/lib/rt_names.c b/lib/rt_names.c
new file mode 100644
index 00000000..6ed2d7ab
--- /dev/null
+++ b/lib/rt_names.c
@@ -0,0 +1,412 @@
+/*
+ * 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>
+ *
+ * Fix: 23 Apr 2005 Calin Velea <vcalinus@gemenii.ro>
+ *
+ * bgpd-specific fixes
+ *
+ * - Modified rtnl_tab_initialize() function to free allocated entries
+ * before re-reading table; rtnl_rtrealm_initialize() to zero
+ * unused entries at first call
+ * - Modified rtnl_rtrealm_a2n() to read realm table each time; otherwise
+ * bgpd restart was necessary to be in sync with /etc/iproute2/rt_realms
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/time.h>
+
+static void rtnl_tab_initialize(char *file, char **tab, int size)
+{
+ int i;
+ char buf[512];
+ FILE *fp;
+
+ for(i = 1; i < 255; i++)
+ if(tab[i]) {
+ free(tab[i]);
+ tab[i] = NULL;
+ }
+
+
+ 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(u_int32_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(u_int32_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 = 0;
+
+static void rtnl_rtrealm_initialize(void)
+{
+ int i;
+
+ if(!rtnl_rtrealm_init)
+ for(i = 1; i < 255; i++)
+ rtnl_rtrealm_tab[i] = NULL;
+
+ 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(u_int32_t *id, char *arg)
+{
+ static char *cache = NULL;
+ static unsigned long cache_res;
+ unsigned long res;
+ char *end;
+ int i;
+
+ if (cache && strcmp(cache, arg) == 0) {
+ *id = cache_res;
+ return 0;
+ }
+ 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];
+ cache_res = i;
+ *id = cache_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(u_int32_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(u_int32_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;
+}
+
diff --git a/lib/rt_names.h b/lib/rt_names.h
new file mode 100644
index 00000000..6ac29204
--- /dev/null
+++ b/lib/rt_names.h
@@ -0,0 +1,28 @@
+#ifndef RT_NAMES_H_
+#define RT_NAMES_H_ 1
+
+const char* rtnl_rtprot_n2a(int id, char *buf, int len);
+const char* rtnl_rtscope_n2a(int id, char *buf, int len);
+const char* rtnl_rttable_n2a(int id, char *buf, int len);
+const char* rtnl_rtrealm_n2a(int id, char *buf, int len);
+const char* rtnl_dsfield_n2a(int id, char *buf, int len);
+int rtnl_rtprot_a2n(int *id, char *arg);
+int rtnl_rtscope_a2n(int *id, char *arg);
+int rtnl_rttable_a2n(int *id, char *arg);
+int rtnl_rtrealm_a2n(__u32 *id, char *arg);
+int rtnl_dsfield_a2n(__u32 *id, char *arg);
+
+const char *inet_proto_n2a(int proto, char *buf, int len);
+int inet_proto_a2n(char *buf);
+
+
+const char * ll_type_n2a(int type, char *buf, int len);
+
+const char *ll_addr_n2a(unsigned char *addr, int alen, int type, char *buf, int blen);
+int ll_addr_a2n(unsigned char *lladdr, int len, char *arg);
+
+const char * ll_proto_n2a(unsigned short id, char *buf, int len);
+int ll_proto_a2n(unsigned short *id, char *buf);
+
+
+#endif
diff --git a/lib/zclient.c b/lib/zclient.c
index a253af61..b6858fab 100644
--- a/lib/zclient.c
+++ b/lib/zclient.c
@@ -475,6 +475,11 @@ zapi_ipv4_route (u_char cmd, struct zclient *zclient, struct prefix_ipv4 *p,
if (CHECK_FLAG (api->message, ZAPI_MESSAGE_METRIC))
stream_putl (s, api->metric);
+#ifdef SUPPORT_REALMS
+ if (CHECK_FLAG (api->message, ZAPI_MESSAGE_REALMTO))
+ stream_putw (s, api->realmto);
+#endif
+
/* Put length at the first point of the stream. */
stream_putw_at (s, 0, stream_get_endp (s));
diff --git a/lib/zclient.h b/lib/zclient.h
index 69ada144..749f1182 100644
--- a/lib/zclient.h
+++ b/lib/zclient.h
@@ -87,6 +87,10 @@ struct zclient
#define ZAPI_MESSAGE_DISTANCE 0x04
#define ZAPI_MESSAGE_METRIC 0x08
+#ifdef SUPPORT_REALMS
+ #define ZAPI_MESSAGE_REALMTO 0x10
+#endif
+
/* Zserv protocol message header */
struct zserv_header
{
@@ -117,6 +121,9 @@ struct zapi_ipv4
u_char distance;
u_int32_t metric;
+#ifdef SUPPORT_REALMS
+ u_int16_t realmto;
+#endif
};
/* Prototypes of zebra client service functions. */
diff --git a/lib/zebra.h b/lib/zebra.h
index 2e2f8cda..2b7ff442 100644
--- a/lib/zebra.h
+++ b/lib/zebra.h
@@ -232,6 +232,10 @@ typedef int socklen_t;
#include <libutil.h>
#endif /* HAVE_LIBUTIL_H */
+#ifdef SUPPORT_REALMS
+#include <rt_names.h>
+#endif
+
#ifdef HAVE_GLIBC_BACKTRACE
#include <execinfo.h>
#endif /* HAVE_GLIBC_BACKTRACE */
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-20 06:52:41 +0000