RPKI protocol with one cache server per protocol

[thirdparty/bird.git] / lib / socket.h

diff --git a/lib/socket.h b/lib/socket.h
index 7d1aa7efc0070baca2702a8d4fe5ce89d1f454ff..ce06a19cc6db6c6ec5885b37020ccc8559581793 100644 (file)
--- a/lib/socket.h
+++ b/lib/socket.h
@@ -12,6 +12,24 @@
 #include <errno.h>
 
 #include "lib/resource.h"
+#include "lib/libssh.h"
+
+struct ssh_sock {
+    const char *username;              /* (Required) SSH user name */
+    const char *server_hostkey_path;   /* (Optional) Filepath to the SSH public key of remote side, can be knownhost file */
+    const char *client_privkey_path;   /* (Optional) Filepath to the SSH private key of BIRD */
+    const char *subsystem;             /* (Optional) Name of SSH subsytem */
+    ssh_session session;               /* Internal */
+    ssh_channel channel;               /* Internal */
+    int state;                         /* Internal */
+#define SK_SSH_CONNECT         0       /* Start state */
+#define SK_SSH_SERVER_KNOWN    1       /* Internal */
+#define SK_SSH_USERAUTH                2       /* Internal */
+#define SK_SSH_CHANNEL         3       /* Internal */
+#define SK_SSH_SESSION         4       /* Internal */
+#define SK_SSH_SUBSYSTEM       5       /* Internal */
+#define SK_SSH_ESTABLISHED     6       /* Final state */
+};
 
 typedef struct birdsock {
   resource r;
@@ -20,6 +38,7 @@ typedef struct birdsock {
   int subtype;                         /* Socket subtype */
   void *data;                          /* User data */
   ip_addr saddr, daddr;                        /* IPA_NONE = unspecified */
+  const char *host;                    /* Alternative to daddr, NULL = unspecified */
   uint sport, dport;                   /* 0 = unspecified (for IP: protocol type) */
   int tos;                             /* TOS / traffic class, -1 = default */
   int priority;                                /* Local socket priority, -1 = default */
@@ -52,7 +71,8 @@ typedef struct birdsock {
   node n;
   void *rbuf_alloc, *tbuf_alloc;
   char *password;                      /* Password for MD5 authentication */
-  char *err;                           /* Error message */
+  const char *err;                     /* Error message */
+  struct ssh_sock *ssh;                        /* Used in SK_SSH */
 } sock;
 
 sock *sock_new(pool *);                        /* Allocate new socket */
@@ -115,6 +135,8 @@ extern int sk_priority_control;             /* Suggested priority for control traffic, shou
 #define SK_MAGIC       7          /* Internal use by sysdep code */
 #define SK_UNIX_PASSIVE        8
 #define SK_UNIX                9
+#define SK_SSH_ACTIVE  10         /* -  -  *  *  -  ?   -      DA = host */
+#define SK_SSH         11
 
 /*
  *     Socket subtypes