1 files changed, 138 insertions, 0 deletions

diff --git a/other/ssharp/authfd.h b/other/ssharp/authfd.h
new file mode 100644
index 0000000..29d1847
--- /dev/null
+++ b/other/ssharp/authfd.h
@@ -0,0 +1,138 @@
+/*
+ * Author: Tatu Ylonen <ylo@cs.hut.fi>
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ *                    All rights reserved
+ * Functions to interface with the SSH_AUTHENTICATION_FD socket.
+ *
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose.  Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
+ */
+
+/* RCSID("$OpenBSD: authfd.h,v 1.16 2000/12/20 19:37:21 markus Exp $"); */
+
+#ifndef AUTHFD_H
+#define AUTHFD_H
+
+#include "buffer.h"
+
+/* Messages for the authentication agent connection. */
+#define SSH_AGENTC_REQUEST_RSA_IDENTITIES       1
+#define SSH_AGENT_RSA_IDENTITIES_ANSWER         2
+#define SSH_AGENTC_RSA_CHALLENGE                3
+#define SSH_AGENT_RSA_RESPONSE                  4
+#define SSH_AGENT_FAILURE                       5
+#define SSH_AGENT_SUCCESS                       6
+#define SSH_AGENTC_ADD_RSA_IDENTITY             7
+#define SSH_AGENTC_REMOVE_RSA_IDENTITY          8
+#define SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES    9
+
+/* private OpenSSH extensions for SSH2 */
+#define SSH2_AGENTC_REQUEST_IDENTITIES          11
+#define SSH2_AGENT_IDENTITIES_ANSWER            12
+#define SSH2_AGENTC_SIGN_REQUEST                13
+#define SSH2_AGENT_SIGN_RESPONSE                14
+#define SSH2_AGENTC_ADD_IDENTITY                17
+#define SSH2_AGENTC_REMOVE_IDENTITY             18
+#define SSH2_AGENTC_REMOVE_ALL_IDENTITIES       19
+
+/* additional error code for ssh.com's ssh-agent2 */
+#define SSH_COM_AGENT2_FAILURE                   102
+
+#define SSH_AGENT_OLD_SIGNATURE                 0x01
+
+
+typedef struct {
+        int     fd;
+        Buffer  identities;
+        int     howmany;
+}       AuthenticationConnection;
+
+/* Returns the number of the authentication fd, or -1 if there is none. */
+int     ssh_get_authentication_socket(void);
+
+/*
+ * This should be called for any descriptor returned by
+ * ssh_get_authentication_socket().  Depending on the way the descriptor was
+ * obtained, this may close the descriptor.
+ */
+void    ssh_close_authentication_socket(int authfd);
+
+/*
+ * Opens and connects a private socket for communication with the
+ * authentication agent.  Returns NULL if an error occurred and the
+ * connection could not be opened.  The connection should be closed by the
+ * caller by calling ssh_close_authentication_connection().
+ */
+AuthenticationConnection *ssh_get_authentication_connection(void);
+
+/*
+ * Closes the connection to the authentication agent and frees any associated
+ * memory.
+ */
+void    ssh_close_authentication_connection(AuthenticationConnection *auth);
+
+/*
+ * Returns the number authentication identity held by the agent.
+ */
+int     ssh_get_num_identities(AuthenticationConnection *auth, int version);
+
+/*
+ * 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.
+ */
+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 NULL if there are no more identities.  The caller
+ * must free key and comment after a successful return.
+ */
+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.
+ */
+int
+ssh_decrypt_challenge(AuthenticationConnection *auth,
+    Key *key, BIGNUM * challenge,
+    u_char session_id[16],
+    u_int response_type,
+    u_char response[16]);
+
+/* Requests the agent to sign data using key */
+int
+ssh_agent_sign(AuthenticationConnection *auth,
+    Key *key,
+    u_char **sigp, int *lenp,
+    u_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 *auth, Key *key,
+    const char *comment);
+
+/*
+ * Removes the identity from 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_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 *auth, int version);
+
+#endif                          /* AUTHFD_H */