1 files changed, 56 insertions, 0 deletions
diff --git a/eperd/readresolv.c b/eperd/readresolv.c
new file mode 100644
index 0000000..9d3b8c9
--- /dev/null
+++ b/eperd/readresolv.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2013 RIPE NCC <atlas@ripe.net>
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#define LINEL (INET6_ADDRSTRLEN * 2)
+#include "libbb.h"
+#include "resolv.h"
+
+static  void nameserver_ip_add (char *nsentry, char *ip_as_string) 
+{
+
+	strncpy (nsentry, ip_as_string, LINEL);
+	// printf("AA added nameserver %s\n", ip_as_string);
+	// printf("AA added nameserver to ns %s\n", nsentry);
+	return;
+}
+
+static int resolv_conf_parse_line (char *nsentry, char *line)  
+{
+
+#define NEXT_TOKEN strtok_r(NULL, delims, &strtok_state)
+	char *strtok_state;
+	static const char *const delims = " \t";
+	char *const first_token = strtok_r(line, delims, &strtok_state);  
+
+	if (!first_token) return 0;
+
+	if (!strcmp(first_token, "nameserver")) { 
+		char *const nameserver = NEXT_TOKEN;
+		if (nameserver) {
+			if(nameserver[(strlen(nameserver) - 1)] == '\n')
+			nameserver[(strlen(nameserver) - 1)] = NULL;
+			nameserver_ip_add(nsentry, nameserver);
+		        //printf("AA added nameserver %s\n", nsentry);
+			return 1;
+		}
+	}
+	return 0;
+} 
+
+int get_local_resolvers(char  nslist[MAXNS][INET6_ADDRSTRLEN * 2])
+{
+	char buf[LINEL]; 
+	int  i = 0;
+
+	FILE *R = fopen ("/etc/resolv.conf", "r");
+	if (R != NULL) {
+		while ( (fgets (buf, LINEL, R)) && (i < MAXNS)) {	
+			if(resolv_conf_parse_line(nslist[i], buf) )
+				i++;
+		}
+		fclose (R);
+	}
+	return i;
+}