Refactored the connect_ssh example function

into a new file

examples/CMakeLists.txt

@@ -4,6 +4,7 @@ set(examples_SRCS
   libssh_scp.c
   authentication.c
   knownhosts.c
+  connect_ssh.c
 )
 
 include_directories(

examples/connect_ssh.c

@@ -0,0 +1,63 @@
+/*
+ * connect_ssh.c
+ * This file contains an example of how to connect to a
+ * SSH server using libssh
+ */
+
+/*
+Copyright 2009 Aris Adamantiadis
+
+This file is part of the SSH Library
+
+You are free to copy this file, modify it in any way, consider it being public
+domain. This does not apply to the rest of the library though, but it is
+allowed to cut-and-paste working code from this file to any license of
+program.
+The goal is to show the API in action. It's not a reference on how terminal
+clients must be made or how a client should react.
+ */
+
+#include <libssh/libssh.h>
+#include "examples_common.h"
+#include <stdio.h>
+
+ssh_session connect_ssh(const char *host, const char *user,int verbosity){
+  ssh_session session;
+  ssh_options options;
+  int auth=0;
+
+  options=ssh_options_new();
+  if(user != NULL){
+    if (ssh_options_set_username(options,user) < 0) {
+      ssh_options_free(options);
+      return NULL;
+    }
+  }
+
+  if (ssh_options_set_host(options,host) < 0) {
+    ssh_options_free(options);
+    return NULL;
+  }
+  ssh_options_set_log_verbosity(options,verbosity);
+  session=ssh_new();
+  ssh_set_options(session,options);
+  if(ssh_connect(session)){
+    fprintf(stderr,"Connection failed : %s\n",ssh_get_error(session));
+    ssh_disconnect(session);
+    return NULL;
+  }
+  if(verify_knownhost(session)<0){
+    ssh_disconnect(session);
+    return NULL;
+  }
+  auth=authenticate_console(session);
+  if(auth==SSH_AUTH_SUCCESS){
+    return session;
+  } else if(auth==SSH_AUTH_DENIED){
+    fprintf(stderr,"Authentication failed\n");
+  } else {
+    fprintf(stderr,"Error while authenticating : %s\n",ssh_get_error(session));
+  }
+  ssh_disconnect(session);
+  return NULL;
+}

examples/examples_common.h

@@ -13,9 +13,10 @@ clients must be made or how a client should react.
 #ifndef EXAMPLES_COMMON_H_
 #define EXAMPLES_COMMON_H_
 
+#include <libssh/libssh.h>
 int authenticate_console(ssh_session session);
 int authenticate_kbdint(ssh_session session);
 int verify_knownhost(ssh_session session);
-
+ssh_session connect_ssh(const char *hostname, const char *user, int verbosity);
 
 #endif /* EXAMPLES_COMMON_H_ */