#include <pwd.h>
#include <grp.h>
+#ifdef HAVE_LIBADNS
+# define ADNS_FEATURE_MANYAF
+# include <adns.h>
+#endif
+
#include <mLib/alloc.h>
#include <mLib/arena.h>
#include <mLib/base64.h>
-#include <mLib/bres.h>
+#ifndef HAVE_LIBADNS
+# include <mLib/bres.h>
+#endif
#include <mLib/codec.h>
#include <mLib/daemonize.h>
#include <mLib/dstr.h>
int (*ldpriv)(key_file */*kf*/, key */*k*/, key_data */*d*/,
kdata */*kd*/, dstr */*t*/, dstr */*e*/);
/* Load a private key from @d@, storing the data in @kd@. The key's
- * file and key object are in @kf@ and @k, mostly in case its
+ * file and key object are in @kf@ and @k@, mostly in case its
* attributes are interesting; the key tag is in @t@; errors are
* reported by writing tokens to @e@ and returning nonzero.
*/
int (*ldpub)(key_file */*kf*/, key */*k*/, key_data */*d*/,
kdata */*kd*/, dstr */*t*/, dstr */*e*/);
/* Load a public key from @d@, storing the data in @kd@. The key's
- * file and key object are in @kf@ and @k, mostly in case its
+ * file and key object are in @kf@ and @k@, mostly in case its
* attributes are interesting; the key tag is in @t@; errors are
* reported by writing tokens to @e@ and returning nonzero.
*/
/*----- Data structures ---------------------------------------------------*/
+/* --- The address-family table --- */
+
+#define ADDRFAM(_) \
+ _(INET, want_ipv4) \
+ _(INET6, want_ipv6)
+
+enum {
+#define ENUM(af, qf) AFIX_##af,
+ ADDRFAM(ENUM)
+#undef ENUM
+ NADDRFAM
+};
+
+extern const struct addrfam {
+ int af;
+ const char *name;
+#ifdef HAVE_LIBADNS
+ adns_queryflags qf;
+#endif
+} aftab[NADDRFAM];
+
/* --- Socket addresses --- *
*
* A magic union of supported socket addresses.
typedef union addr {
struct sockaddr sa;
struct sockaddr_in sin;
+ struct sockaddr_in6 sin6;
} addr;
/* --- Mapping keyed on addresses --- */
const tunnel_ops *tops; /* Tunnel operations */
unsigned long t_ka; /* Keep alive interval */
addr sa; /* Socket address to speak to */
- size_t sasz; /* Socket address size */
unsigned f; /* Flags for the peer */
#define PSF_KXMASK 255u /* Key-exchange flags to set */
#define PSF_MOBILE 256u /* Address may change rapidly */
peer_byaddr *byaddr; /* Lookup-by-address block */
struct ping *pings; /* Pings we're waiting for */
peerspec spec; /* Specifications for this peer */
+ int afix; /* Index of address family */
tunnel *t; /* Tunnel for local packets */
char *ifname; /* Interface name for tunnel */
keyset *ks; /* List head for keysets */
typedef struct admin_resop {
admin_bgop bg; /* Background operation header */
char *addr; /* Hostname to be resolved */
+#ifdef HAVE_LIBADNS
+ adns_query q;
+#else
bres_client r; /* Background resolver task */
+#endif
sel_timer t; /* Timer for resolver */
addr sa; /* Socket address */
+ unsigned port; /* Port number chosen */
size_t sasz; /* Socket address size */
void (*func)(struct admin_resop *, int); /* Handler */
} admin_resop;
#define AF_NOTE 4u /* Catch notifications */
#define AF_WARN 8u /* Catch warning messages */
#ifndef NTRACE
- #define AF_TRACE 16u /* Catch tracing */
+# define AF_TRACE 16u /* Catch tracing */
#endif
#define AF_FOREGROUND 32u /* Quit server when client closes */
extern octet buf_i[PKBUFSZ], buf_o[PKBUFSZ], buf_t[PKBUFSZ], buf_u[PKBUFSZ];
extern const tunnel_ops *tunnels[]; /* Table of tunnels (0-term) */
extern const tunnel_ops *tun_default; /* Default tunnel to use */
+extern sel_file udpsock[NADDRFAM]; /* The master UDP sockets */
extern kdata *master; /* Default private key */
extern const char *tag_priv; /* Default private key tag */
/*----- Peer management ---------------------------------------------------*/
+/* --- @p_updateaddr@ --- *
+ *
+ * Arguments: @peer *p@ = pointer to peer block
+ * @const addr *a@ = address to associate with this peer
+ *
+ * Returns: Zero if the address was changed; @+1@ if it was already
+ * right.
+ *
+ * Use: Updates our idea of @p@'s address.
+ */
+
+extern int p_updateaddr(peer */*p*/, const addr */*a*/);
+
/* --- @p_txstart@ --- *
*
* Arguments: @peer *p@ = pointer to peer block
/* --- @p_init@ --- *
*
- * Arguments: @struct in_addr addr@ = address to bind to
- * @unsigned port@ = port number to listen to
+ * Arguments: @struct addrinfo *ailist@ = addresses to bind to
*
* Returns: ---
*
* Use: Initializes the peer system; creates the socket.
*/
-extern void p_init(struct in_addr /*addr*/, unsigned /*port*/);
+extern void p_init(struct addrinfo */*ailist*/);
/* --- @p_port@ --- *
*
- * Arguments: ---
+ * Arguments: @int i@ = address family index to retrieve
*
* Returns: Port number used for socket.
*/
-unsigned p_port(void);
+extern unsigned p_port(int /*i*/);
/* --- @p_create@ --- *
*
extern int mystrieq(const char */*x*/, const char */*y*/);
+/* --- @afix@ --- *
+ *
+ * Arguments: @int af@ = an address family code
+ *
+ * Returns: The index of the address family's record in @aftab@, or @-1@.
+ */
+
+extern int afix(int af);
+
+/* --- @addrsz@ --- *
+ *
+ * Arguments: @const addr *a@ = a network address
+ *
+ * Returns: The size of the address, for passing into the sockets API.
+ */
+
+extern socklen_t addrsz(const addr */*a*/);
+
+/* --- @getport@, @setport@ --- *
+ *
+ * Arguments: @addr *a@ = a network address
+ * @unsigned port@ = port number to set
+ *
+ * Returns: ---
+ *
+ * Use: Retrieves or sets the port number in an address structure.
+ */
+
+extern unsigned getport(addr */*a*/);
+extern void setport(addr */*a*/, unsigned /*port*/);
+
/* --- @seq_reset@ --- *
*
* Arguments: @seqwin *s@ = sequence-checking window
~mdw / tripe / blobdiff