1 files changed, 389 insertions, 0 deletions

diff --git a/networking/libiproute/rt_names.c b/networking/libiproute/rt_names.c
new file mode 100644
index 000000000..2a7d85cdb
--- /dev/null
+++ b/networking/libiproute/rt_names.c
@@ -0,0 +1,389 @@
+/*
+ * 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 <unistd.h>
+#include <syslog.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/time.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;
+}
+