1 files changed, 54 insertions, 0 deletions
diff --git a/conf/cf-lex.l b/conf/cf-lex.l
index bd6dfff2..fb3d59e4 100644
--- a/conf/cf-lex.l
+++ b/conf/cf-lex.l
@@ -123,6 +123,60 @@ include   ^{WHITE}*include{WHITE}*\".*\"{WHITE}*;
   cf_include(start, end-start);
 }
 
+[02]:{DIGIT}+:{DIGIT}+ {
+  unsigned long int l, len1, len2;
+  char *e;
+
+  if (yytext[0] == '0')
+  {
+    cf_lval.i64 = 0;
+    len1 = 16;
+    len2 = 32;
+  }
+  else
+  {
+    cf_lval.i64 = 2ULL << 48;
+    len1 = 32;
+    len2 = 16;
+  }
+
+  errno = 0;
+  l = strtoul(yytext+2, &e, 10);
+  if (e && (*e != ':') || (errno == ERANGE) || (l >> len1))
+    cf_error("ASN out of range");
+  cf_lval.i64 |= ((u64) l) << len2;
+
+  errno = 0;
+  l = strtoul(e+1, &e, 10);
+  if (e && *e || (errno == ERANGE) || (l >> len2))
+    cf_error("Number out of range");
+  cf_lval.i64 |= l;
+
+  return VPN_RD;
+}
+
+1:{DIGIT}+\.{DIGIT}+\.{DIGIT}+\.{DIGIT}+:{DIGIT}+ {
+  unsigned long int l;
+  ip4_addr ip4;
+  char *e;
+
+  cf_lval.i64 = 1ULL << 48;
+
+  e = strchr(yytext+2, ':');
+  *e++ = '\0';
+  if (!ip4_pton(yytext+2, &ip4))
+    cf_error("Invalid IPv4 address %s in Route Distinguisher", yytext+2);
+  cf_lval.i64 |= ((u64) ip4_to_u32(ip4)) << 16;
+
+  errno = 0;
+  l = strtoul(e, &e, 10);
+  if (e && *e || (errno == ERANGE) || (l >> 16))
+    cf_error("Number out of range");
+  cf_lval.i64 |= l;
+
+  return VPN_RD;
+}
+
 {DIGIT}+\.{DIGIT}+\.{DIGIT}+\.{DIGIT}+ {
   if (!ip4_pton(yytext, &cf_lval.ip4))
     cf_error("Invalid IPv4 address %s", yytext);