Add a left/rightdns keyword to configure connection specific DNS attributes

src/libcharon/plugins/stroke/stroke_socket.c

@@ -171,6 +171,7 @@ static void pop_end(stroke_msg_t *msg, const char* label, stroke_end_t *end)
 	pop_string(msg, &end->address);
 	pop_string(msg, &end->subnets);
 	pop_string(msg, &end->sourceip);
+	pop_string(msg, &end->dns);
 	pop_string(msg, &end->auth);
 	pop_string(msg, &end->auth2);
 	pop_string(msg, &end->id);
@@ -188,6 +189,7 @@ static void pop_end(stroke_msg_t *msg, const char* label, stroke_end_t *end)
 	DBG2(DBG_CFG, "  %s=%s", label, end->address);
 	DBG2(DBG_CFG, "  %ssubnet=%s", label, end->subnets);
 	DBG2(DBG_CFG, "  %ssourceip=%s", label, end->sourceip);
+	DBG2(DBG_CFG, "  %sdns=%s", label, end->dns);
 	DBG2(DBG_CFG, "  %sauth=%s", label, end->auth);
 	DBG2(DBG_CFG, "  %sauth2=%s", label, end->auth2);
 	DBG2(DBG_CFG, "  %sid=%s", label, end->id);

src/starter/args.c

@@ -186,6 +186,7 @@ static const token_info_t token_info[] =
 	{ ARG_STR,  offsetof(starter_end_t, subnet), NULL                              },
 	{ ARG_MISC, 0, NULL  /* KW_PROTOPORT */                                        },
 	{ ARG_STR,  offsetof(starter_end_t, sourceip), NULL                            },
+	{ ARG_STR,  offsetof(starter_end_t, dns), NULL                                 },
 	{ ARG_MISC, 0, NULL  /* KW_NATIP */                                            },
 	{ ARG_ENUM, offsetof(starter_end_t, firewall), LST_bool                        },
 	{ ARG_ENUM, offsetof(starter_end_t, hostaccess), LST_bool                      },

src/starter/confread.h

@@ -113,6 +113,7 @@ struct starter_end {
 		u_int8_t        protocol;
 		char            *sourceip;
 		int				sourceip_mask;
+		char            *dns;
 };
 
 typedef struct also also_t;

src/starter/keywords.h

@@ -97,6 +97,7 @@ typedef enum {
 	KW_SUBNET,
 	KW_PROTOPORT,
 	KW_SOURCEIP,
+	KW_DNS,
 	KW_NATIP,
 	KW_FIREWALL,
 	KW_HOSTACCESS,
@@ -126,6 +127,7 @@ typedef enum {
 	KW_LEFTSUBNET,
 	KW_LEFTPROTOPORT,
 	KW_LEFTSOURCEIP,
+	KW_LEFTDNS,
 	KW_LEFTNATIP,
 	KW_LEFTFIREWALL,
 	KW_LEFTHOSTACCESS,
@@ -155,6 +157,7 @@ typedef enum {
 	KW_RIGHTSUBNET,
 	KW_RIGHTPROTOPORT,
 	KW_RIGHTSOURCEIP,
+	KW_RIGHTDNS,
 	KW_RIGHTNATIP,
 	KW_RIGHTFIREWALL,
 	KW_RIGHTHOSTACCESS,

src/starter/keywords.txt

@@ -85,6 +85,7 @@ leftsubnet,        KW_LEFTSUBNET
 leftsubnetwithin,  KW_LEFTSUBNET
 leftprotoport,     KW_LEFTPROTOPORT
 leftsourceip,      KW_LEFTSOURCEIP
+leftdns,           KW_LEFTDNS
 leftnatip,         KW_LEFTNATIP
 leftfirewall,      KW_LEFTFIREWALL
 lefthostaccess,    KW_LEFTHOSTACCESS
@@ -109,6 +110,7 @@ rightsubnet,       KW_RIGHTSUBNET
 rightsubnetwithin, KW_RIGHTSUBNET
 rightprotoport,    KW_RIGHTPROTOPORT
 rightsourceip,     KW_RIGHTSOURCEIP
+rightdns,          KW_RIGHTDNS
 rightnatip,        KW_RIGHTNATIP
 rightfirewall,     KW_RIGHTFIREWALL
 righthostaccess,   KW_RIGHTHOSTACCESS

src/starter/starterstroke.c

@@ -141,6 +141,7 @@ static void starter_stroke_add_end(stroke_msg_t *msg, stroke_end_t *msg_end, sta
 	msg_end->subnets = push_string(msg, conn_end->subnet);
 	msg_end->sourceip = push_string(msg, conn_end->sourceip);
 	msg_end->sourceip_mask = conn_end->sourceip_mask;
+	msg_end->dns = push_string(msg, conn_end->dns);
 	msg_end->sendcert = conn_end->sendcert;
 	msg_end->hostaccess = conn_end->hostaccess;
 	msg_end->tohost = !conn_end->subnet;

src/stroke/stroke_msg.h

@@ -159,6 +159,7 @@ struct stroke_end_t {
 	u_int16_t ikeport;
 	char *sourceip;
 	int sourceip_mask;
+	char *dns;
 	char *subnets;
 	int sendcert;
 	int hostaccess;