add SSH2/DSA support to the agent and some other DSA related cleanups.

(note that we cannot talk to ssh.com's ssh2 agents)

1 files changed, 26 insertions, 27 deletions

diff --git a/usr.bin/ssh/authfd.h b/usr.bin/ssh/authfd.h
index 14b9bee94d6..5819b9139ea 100644
--- a/usr.bin/ssh/authfd.h
+++ b/usr.bin/ssh/authfd.h
@@ -13,7 +13,7 @@
  *
  */
 
-/* RCSID("$OpenBSD: authfd.h,v 1.9 2000/07/16 08:27:21 markus Exp $"); */
+/* RCSID("$OpenBSD: authfd.h,v 1.10 2000/08/19 21:34:43 markus Exp $"); */
 
 #ifndef AUTHFD_H
 #define AUTHFD_H
@@ -35,18 +35,16 @@
 #define SSH2_AGENT_IDENTITIES_ANSWER		12
 #define SSH2_AGENTC_SIGN_REQUEST		13
 #define SSH2_AGENT_SIGN_RESPONSE		14
-#define SSH2_AGENT_FAILURE			SSH_AGENT_FAILURE
-#define SSH2_AGENT_SUCCESS			SSH_AGENT_SUCCESS
 #define SSH2_AGENTC_ADD_IDENTITY		17
 #define SSH2_AGENTC_REMOVE_IDENTITY		18
 #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES	19
 
 typedef struct {
 	int     fd;
-	Buffer  packet;
 	Buffer  identities;
 	int     howmany;
 }       AuthenticationConnection;
+
 /* Returns the number of the authentication fd, or -1 if there is none. */
 int     ssh_get_authentication_socket();
 
@@ -69,44 +67,48 @@ AuthenticationConnection *ssh_get_authentication_connection();
  * Closes the connection to the authentication agent and frees any associated
  * memory.
  */
-void    ssh_close_authentication_connection(AuthenticationConnection * ac);
+void    ssh_close_authentication_connection(AuthenticationConnection *auth);
 
 /*
- * Returns the first authentication identity held by the agent. Returns true
- * if an identity is available, 0 otherwise. The caller must initialize the
- * integers before the call, and free the comment after a successful call
- * (before calling ssh_get_next_identity).
+ * Returns the first authentication identity held by the agent or NULL if
+ * no identies are available. Caller must free comment and key.
+ * Note that you cannot mix calls with different versions.
  */
-int
-ssh_get_first_identity(AuthenticationConnection * connection,
-    BIGNUM * e, BIGNUM * n, char **comment);
+Key	*ssh_get_first_identity(AuthenticationConnection *auth, char **comment, int version);
 
 /*
  * Returns the next authentication identity for the agent.  Other functions
  * can be called between this and ssh_get_first_identity or two calls of this
- * function.  This returns 0 if there are no more identities.  The caller
- * must free comment after a successful return.
+ * function.  This returns NULL if there are no more identities.  The caller
+ * must free key and comment after a successful return.
  */
-int
-ssh_get_next_identity(AuthenticationConnection * connection,
-    BIGNUM * e, BIGNUM * n, char **comment);
+Key	*ssh_get_next_identity(AuthenticationConnection *auth, char **comment, int version);
 
-/* Requests the agent to decrypt the given challenge.  Returns true if
-   the agent claims it was able to decrypt it. */
+/*
+ * Requests the agent to decrypt the given challenge.  Returns true if the
+ * agent claims it was able to decrypt it.
+ */
 int
-ssh_decrypt_challenge(AuthenticationConnection * auth,
-    BIGNUM * e, BIGNUM * n, BIGNUM * challenge,
+ssh_decrypt_challenge(AuthenticationConnection *auth,
+    Key *key, BIGNUM * challenge,
     unsigned char session_id[16],
     unsigned int response_type,
     unsigned char response[16]);
 
+/* Requests the agent to sign data using key */
+int
+ssh_agent_sign(AuthenticationConnection *auth,
+    Key *key,
+    unsigned char **sigp, int *lenp,
+    unsigned char *data, int datalen);
+
 /*
  * Adds an identity to the authentication server.  This call is not meant to
  * be used by normal applications.  This returns true if the identity was
  * successfully added.
  */
 int
-ssh_add_identity(AuthenticationConnection * connection, Key *key,
+ssh_add_identity(AuthenticationConnection *auth, Key *key,
     const char *comment);
 
 /*
@@ -114,16 +116,13 @@ ssh_add_identity(AuthenticationConnection * connection, Key *key,
  * meant to be used by normal applications.  This returns true if the
  * identity was successfully added.
  */
-int     ssh_remove_identity(AuthenticationConnection * connection, RSA * key);
+int     ssh_remove_identity(AuthenticationConnection *auth, Key *key);
 
 /*
  * Removes all identities from the authentication agent.  This call is not
  * meant to be used by normal applications.  This returns true if the
  * operation was successful.
  */
-int     ssh_remove_all_identities(AuthenticationConnection * connection);
-
-/* Closes the connection to the authentication agent. */
-void    ssh_close_authentication(AuthenticationConnection * connection);
+int     ssh_remove_all_identities(AuthenticationConnection *auth, int version);
 
 #endif				/* AUTHFD_H */