2006-11-02 16:56:40 -05:00
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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2007-01-16 17:22:10 -05:00
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* Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
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2006-11-02 16:56:40 -05:00
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id$
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***************************************************************************/
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2007-01-28 07:35:39 -05:00
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/* #define CURL_LIBSSH2_DEBUG */
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2006-11-02 16:56:40 -05:00
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#include "setup.h"
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#ifdef USE_LIBSSH2
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <ctype.h>
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#include <limits.h>
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#include <libssh2.h>
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#include <libssh2_sftp.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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2006-11-24 17:14:39 -05:00
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#ifdef HAVE_TIME_H
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#include <time.h>
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#endif
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2006-11-06 13:26:36 -05:00
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#ifdef WIN32
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2006-11-02 16:56:40 -05:00
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#else /* probably some kind of unix */
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#include <sys/types.h>
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#ifdef HAVE_UTSNAME_H
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#include <sys/utsname.h>
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#endif
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#ifdef VMS
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#include <in.h>
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#include <inet.h>
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#endif
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#endif
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#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
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#undef in_addr_t
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#define in_addr_t unsigned long
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#endif
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#include <curl/curl.h>
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#include "urldata.h"
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#include "sendf.h"
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#include "easyif.h" /* for Curl_convert_... prototypes */
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#include "if2ip.h"
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#include "hostip.h"
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#include "progress.h"
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#include "transfer.h"
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#include "escape.h"
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#include "http.h" /* for HTTP proxy tunnel stuff */
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#include "ssh.h"
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#include "url.h"
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#include "speedcheck.h"
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#include "getinfo.h"
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#include "strtoofft.h"
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#include "strequal.h"
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#include "sslgen.h"
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#include "connect.h"
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#include "strerror.h"
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#include "memory.h"
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#include "inet_ntop.h"
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#include "select.h"
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#include "parsedate.h" /* for the week day and month names */
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#include "sockaddr.h" /* required for Curl_sockaddr_storage */
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#include "multiif.h"
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#if defined(HAVE_INET_NTOA_R) && !defined(HAVE_INET_NTOA_R_DECL)
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#include "inet_ntoa_r.h"
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#endif
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <curl/mprintf.h>
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#if defined(WIN32) || defined(MSDOS) || defined(__EMX__)
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#define DIRSEP '\\'
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#else
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#define DIRSEP '/'
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#endif
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <curl/mprintf.h>
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/* The last #include file should be: */
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#ifdef CURLDEBUG
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#include "memdebug.h"
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#endif
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2006-11-24 17:14:39 -05:00
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#ifndef LIBSSH2_SFTP_S_IRUSR
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/* Here's a work-around for those of you who happend to run a libssh2 version
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that is 0.14 or older. We should remove this kludge as soon as we can
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require a more recent libssh2 release. */
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2006-11-03 10:52:21 -05:00
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#ifndef S_IRGRP
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#define S_IRGRP 0
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#endif
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#ifndef S_IROTH
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#define S_IROTH 0
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#endif
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2006-11-24 17:14:39 -05:00
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#define LIBSSH2_SFTP_S_IRUSR S_IRUSR
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#define LIBSSH2_SFTP_S_IWUSR S_IWUSR
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#define LIBSSH2_SFTP_S_IRGRP S_IRGRP
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#define LIBSSH2_SFTP_S_IROTH S_IROTH
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#define LIBSSH2_SFTP_S_IRUSR S_IRUSR
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#define LIBSSH2_SFTP_S_IWUSR S_IWUSR
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#define LIBSSH2_SFTP_S_IRGRP S_IRGRP
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#define LIBSSH2_SFTP_S_IROTH S_IROTH
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#define LIBSSH2_SFTP_S_IFMT S_IFMT
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#define LIBSSH2_SFTP_S_IFDIR S_IFDIR
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#define LIBSSH2_SFTP_S_IFLNK S_IFLNK
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#define LIBSSH2_SFTP_S_IFSOCK S_IFSOCK
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#define LIBSSH2_SFTP_S_IFCHR S_IFCHR
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#define LIBSSH2_SFTP_S_IFBLK S_IFBLK
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#define LIBSSH2_SFTP_S_IXUSR S_IXUSR
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#define LIBSSH2_SFTP_S_IWGRP S_IWGRP
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#define LIBSSH2_SFTP_S_IXGRP S_IXGRP
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#define LIBSSH2_SFTP_S_IWOTH S_IWOTH
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#define LIBSSH2_SFTP_S_IXOTH S_IXOTH
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#endif
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2006-11-02 16:56:40 -05:00
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static LIBSSH2_ALLOC_FUNC(libssh2_malloc);
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static LIBSSH2_REALLOC_FUNC(libssh2_realloc);
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static LIBSSH2_FREE_FUNC(libssh2_free);
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static void
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kbd_callback(const char *name, int name_len, const char *instruction,
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int instruction_len, int num_prompts,
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const LIBSSH2_USERAUTH_KBDINT_PROMPT *prompts,
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LIBSSH2_USERAUTH_KBDINT_RESPONSE *responses,
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void **abstract)
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{
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2006-11-24 17:14:39 -05:00
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struct SSHPROTO *ssh = (struct SSHPROTO *)*abstract;
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2006-11-02 16:56:40 -05:00
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#ifdef CURL_LIBSSH2_DEBUG
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fprintf(stderr, "name=%s\n", name);
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fprintf(stderr, "name_len=%d\n", name_len);
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fprintf(stderr, "instruction=%s\n", instruction);
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fprintf(stderr, "instruction_len=%d\n", instruction_len);
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fprintf(stderr, "num_prompts=%d\n", num_prompts);
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2007-01-28 17:36:23 -05:00
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#else
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(void)name;
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(void)name_len;
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(void)instruction;
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(void)instruction_len;
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2006-11-02 16:56:40 -05:00
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#endif /* CURL_LIBSSH2_DEBUG */
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if (num_prompts == 1) {
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2006-11-24 17:14:39 -05:00
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responses[0].text = strdup(ssh->passwd);
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responses[0].length = strlen(ssh->passwd);
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2006-11-02 16:56:40 -05:00
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}
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(void)prompts;
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(void)abstract;
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} /* kbd_callback */
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static CURLcode libssh2_error_to_CURLE(struct connectdata *conn)
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{
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int errorcode;
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2006-11-24 17:14:39 -05:00
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struct SSHPROTO *scp = conn->data->reqdata.proto.ssh;
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2006-11-02 16:56:40 -05:00
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/* Get the libssh2 error code and string */
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2006-11-24 17:14:39 -05:00
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errorcode = libssh2_session_last_error(scp->ssh_session, &scp->errorstr,
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NULL, 0);
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2006-11-02 16:56:40 -05:00
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if (errorcode == LIBSSH2_FX_OK)
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return CURLE_OK;
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infof(conn->data, "libssh2 error %d, '%s'\n", errorcode, scp->errorstr);
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/* TODO: map some of the libssh2 errors to the more appropriate CURLcode
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error code, and possibly add a few new SSH-related one. We must however
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not return or even depend on libssh2 errors in the public libcurl API */
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return CURLE_SSH;
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}
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static LIBSSH2_ALLOC_FUNC(libssh2_malloc)
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{
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return malloc(count);
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(void)abstract;
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}
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static LIBSSH2_REALLOC_FUNC(libssh2_realloc)
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{
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return realloc(ptr, count);
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(void)abstract;
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}
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static LIBSSH2_FREE_FUNC(libssh2_free)
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{
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free(ptr);
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(void)abstract;
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}
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2006-11-24 17:14:39 -05:00
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static CURLcode ssh_init(struct connectdata *conn)
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2006-11-02 16:56:40 -05:00
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{
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struct SessionHandle *data = conn->data;
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2006-11-24 17:14:39 -05:00
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struct SSHPROTO *ssh;
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if (data->reqdata.proto.ssh)
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2006-11-02 16:56:40 -05:00
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return CURLE_OK;
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2006-11-24 17:14:39 -05:00
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ssh = (struct SSHPROTO *)calloc(sizeof(struct SSHPROTO), 1);
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if (!ssh)
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2006-11-02 16:56:40 -05:00
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return CURLE_OUT_OF_MEMORY;
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2006-11-24 17:14:39 -05:00
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data->reqdata.proto.ssh = ssh;
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2006-11-02 16:56:40 -05:00
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2006-11-24 17:14:39 -05:00
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/* get some initial data into the ssh struct */
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ssh->bytecountp = &data->reqdata.keep.bytecount;
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2006-11-02 16:56:40 -05:00
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/* no need to duplicate them, this connectdata struct won't change */
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2006-11-24 17:14:39 -05:00
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ssh->user = conn->user;
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ssh->passwd = conn->passwd;
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2006-11-02 16:56:40 -05:00
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2006-11-24 17:14:39 -05:00
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ssh->errorstr = NULL;
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ssh->ssh_session = NULL;
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ssh->ssh_channel = NULL;
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ssh->sftp_session = NULL;
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ssh->sftp_handle = NULL;
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2006-11-02 16:56:40 -05:00
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return CURLE_OK;
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}
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/*
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2006-11-24 17:14:39 -05:00
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* Curl_ssh_connect() gets called from Curl_protocol_connect() to allow us to
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2006-11-02 16:56:40 -05:00
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* do protocol-specific actions at connect-time.
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*/
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2006-11-24 17:14:39 -05:00
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CURLcode Curl_ssh_connect(struct connectdata *conn, bool *done)
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2006-11-02 16:56:40 -05:00
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{
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int i;
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2006-11-24 17:14:39 -05:00
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struct SSHPROTO *ssh;
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2006-11-02 16:56:40 -05:00
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const char *fingerprint;
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const char *authlist;
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char *home;
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char rsa_pub[PATH_MAX];
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char rsa[PATH_MAX];
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2006-11-24 17:14:39 -05:00
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char tempHome[PATH_MAX];
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2006-11-02 16:56:40 -05:00
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curl_socket_t sock;
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char *real_path;
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char *working_path;
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2006-11-24 17:14:39 -05:00
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int working_path_len;
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2006-11-02 16:56:40 -05:00
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bool authed = FALSE;
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CURLcode result;
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struct SessionHandle *data = conn->data;
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2006-11-24 17:14:39 -05:00
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rsa_pub[0] = rsa[0] = '\0';
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result = ssh_init(conn);
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2006-11-02 16:56:40 -05:00
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if (result)
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return result;
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2006-11-24 17:14:39 -05:00
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ssh = data->reqdata.proto.ssh;
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2006-11-02 16:56:40 -05:00
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2006-11-24 17:14:39 -05:00
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working_path = curl_easy_unescape(data, data->reqdata.path, 0,
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&working_path_len);
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2006-11-02 16:56:40 -05:00
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if (!working_path)
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return CURLE_OUT_OF_MEMORY;
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#ifdef CURL_LIBSSH2_DEBUG
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2006-11-24 17:14:39 -05:00
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if (ssh->user) {
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infof(data, "User: %s\n", ssh->user);
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2006-11-02 16:56:40 -05:00
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}
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2006-11-24 17:14:39 -05:00
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if (ssh->passwd) {
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infof(data, "Password: %s\n", ssh->passwd);
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2006-11-02 16:56:40 -05:00
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}
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#endif /* CURL_LIBSSH2_DEBUG */
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sock = conn->sock[FIRSTSOCKET];
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2006-11-24 17:14:39 -05:00
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ssh->ssh_session = libssh2_session_init_ex(libssh2_malloc, libssh2_free,
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libssh2_realloc, ssh);
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if (ssh->ssh_session == NULL) {
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2006-11-02 16:56:40 -05:00
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failf(data, "Failure initialising ssh session\n");
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2006-11-24 17:14:39 -05:00
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Curl_safefree(ssh->path);
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2006-11-02 16:56:40 -05:00
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return CURLE_FAILED_INIT;
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}
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#ifdef CURL_LIBSSH2_DEBUG
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2006-11-24 17:14:39 -05:00
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infof(data, "SSH socket: %d\n", sock);
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2006-11-02 16:56:40 -05:00
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#endif /* CURL_LIBSSH2_DEBUG */
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|
|
2006-11-24 17:14:39 -05:00
|
|
|
if (libssh2_session_startup(ssh->ssh_session, sock)) {
|
2006-11-02 16:56:40 -05:00
|
|
|
failf(data, "Failure establishing ssh session\n");
|
2006-11-24 17:14:39 -05:00
|
|
|
libssh2_session_free(ssh->ssh_session);
|
|
|
|
ssh->ssh_session = NULL;
|
|
|
|
Curl_safefree(ssh->path);
|
2006-11-02 16:56:40 -05:00
|
|
|
return CURLE_FAILED_INIT;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Before we authenticate we should check the hostkey's fingerprint against
|
|
|
|
* our known hosts. How that is handled (reading from file, whatever) is
|
|
|
|
* up to us. As for know not much is implemented, besides showing how to
|
|
|
|
* get the fingerprint.
|
|
|
|
*/
|
2006-11-24 17:14:39 -05:00
|
|
|
fingerprint = libssh2_hostkey_hash(ssh->ssh_session,
|
2006-11-02 16:56:40 -05:00
|
|
|
LIBSSH2_HOSTKEY_HASH_MD5);
|
|
|
|
|
|
|
|
#ifdef CURL_LIBSSH2_DEBUG
|
|
|
|
/* The fingerprint points to static storage (!), don't free() it. */
|
2007-01-27 06:50:42 -05:00
|
|
|
infof(data, "Fingerprint: ");
|
2006-11-02 16:56:40 -05:00
|
|
|
for (i = 0; i < 16; i++) {
|
|
|
|
infof(data, "%02X ", (unsigned char) fingerprint[i]);
|
|
|
|
}
|
|
|
|
infof(data, "\n");
|
|
|
|
#endif /* CURL_LIBSSH2_DEBUG */
|
|
|
|
|
|
|
|
/* TBD - methods to check the host keys need to be done */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Figure out authentication methods
|
|
|
|
* NB: As soon as we have provided a username to an openssh server we must
|
|
|
|
* never change it later. Thus, always specify the correct username here,
|
|
|
|
* even though the libssh2 docs kind of indicate that it should be possible
|
|
|
|
* to get a 'generic' list (not user-specific) of authentication methods,
|
|
|
|
* presumably with a blank username. That won't work in my experience.
|
|
|
|
* So always specify it here.
|
|
|
|
*/
|
2006-11-24 17:14:39 -05:00
|
|
|
authlist = libssh2_userauth_list(ssh->ssh_session, ssh->user,
|
|
|
|
strlen(ssh->user));
|
2006-11-02 16:56:40 -05:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Check the supported auth types in the order I feel is most secure with the
|
|
|
|
* requested type of authentication
|
|
|
|
*/
|
|
|
|
if ((data->set.ssh_auth_types & CURLSSH_AUTH_PUBLICKEY) &&
|
|
|
|
(strstr(authlist, "publickey") != NULL)) {
|
|
|
|
/* To ponder about: should really the lib be messing about with the HOME
|
|
|
|
environment variable etc? */
|
|
|
|
home = curl_getenv("HOME");
|
|
|
|
|
|
|
|
if (data->set.ssh_public_key)
|
|
|
|
snprintf(rsa_pub, sizeof(rsa_pub), "%s", data->set.ssh_public_key);
|
2006-11-24 17:14:39 -05:00
|
|
|
else if (home)
|
2006-11-02 16:56:40 -05:00
|
|
|
snprintf(rsa_pub, sizeof(rsa_pub), "%s/.ssh/id_dsa.pub", home);
|
|
|
|
|
2006-11-24 17:14:39 -05:00
|
|
|
if (data->set.ssh_private_key)
|
2006-11-02 16:56:40 -05:00
|
|
|
snprintf(rsa, sizeof(rsa), "%s", data->set.ssh_private_key);
|
2006-11-24 17:14:39 -05:00
|
|
|
else if (home)
|
2006-11-02 16:56:40 -05:00
|
|
|
snprintf(rsa, sizeof(rsa), "%s/.ssh/id_dsa", home);
|
|
|
|
|
|
|
|
curl_free(home);
|
|
|
|
|
|
|
|
if (rsa_pub[0]) {
|
|
|
|
/* The function below checks if the files exists, no need to stat() here.
|
2006-11-24 17:14:39 -05:00
|
|
|
*/
|
|
|
|
if (libssh2_userauth_publickey_fromfile(ssh->ssh_session, ssh->user,
|
2006-11-02 16:56:40 -05:00
|
|
|
rsa_pub, rsa, "") == 0) {
|
|
|
|
authed = TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!authed &&
|
|
|
|
(data->set.ssh_auth_types & CURLSSH_AUTH_PASSWORD) &&
|
|
|
|
(strstr(authlist, "password") != NULL)) {
|
2006-11-24 17:14:39 -05:00
|
|
|
if (!libssh2_userauth_password(ssh->ssh_session, ssh->user, ssh->passwd))
|
2006-11-02 16:56:40 -05:00
|
|
|
authed = TRUE;
|
|
|
|
}
|
|
|
|
if (!authed && (data->set.ssh_auth_types & CURLSSH_AUTH_HOST) &&
|
|
|
|
(strstr(authlist, "hostbased") != NULL)) {
|
|
|
|
}
|
|
|
|
if (!authed && (data->set.ssh_auth_types & CURLSSH_AUTH_KEYBOARD)
|
|
|
|
&& (strstr(authlist, "keyboard-interactive") != NULL)) {
|
|
|
|
/* Authentication failed. Continue with keyboard-interactive now. */
|
2006-11-24 17:14:39 -05:00
|
|
|
if (libssh2_userauth_keyboard_interactive_ex(ssh->ssh_session, ssh->user,
|
|
|
|
strlen(ssh->user),
|
2006-11-02 16:56:40 -05:00
|
|
|
&kbd_callback) == 0) {
|
|
|
|
authed = TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!authed) {
|
|
|
|
failf(data, "Authentication failure\n");
|
2006-11-24 17:14:39 -05:00
|
|
|
libssh2_session_free(ssh->ssh_session);
|
|
|
|
ssh->ssh_session = NULL;
|
|
|
|
Curl_safefree(ssh->path);
|
2006-11-02 16:56:40 -05:00
|
|
|
return CURLE_FAILED_INIT;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* At this point we have an authenticated ssh session.
|
|
|
|
*/
|
|
|
|
conn->sockfd = sock;
|
|
|
|
conn->writesockfd = CURL_SOCKET_BAD;
|
|
|
|
|
2006-11-24 17:14:39 -05:00
|
|
|
if (conn->protocol == PROT_SFTP) {
|
|
|
|
/*
|
|
|
|
* Start the libssh2 sftp session
|
|
|
|
*/
|
|
|
|
ssh->sftp_session = libssh2_sftp_init(ssh->ssh_session);
|
|
|
|
if (ssh->sftp_session == NULL) {
|
|
|
|
failf(data, "Failure initialising sftp session\n");
|
|
|
|
libssh2_sftp_shutdown(ssh->sftp_session);
|
|
|
|
ssh->sftp_session = NULL;
|
|
|
|
libssh2_session_free(ssh->ssh_session);
|
|
|
|
ssh->ssh_session = NULL;
|
|
|
|
return CURLE_FAILED_INIT;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Get the "home" directory
|
|
|
|
*/
|
|
|
|
i = libssh2_sftp_realpath(ssh->sftp_session, ".", tempHome, PATH_MAX-1);
|
|
|
|
if (i > 0) {
|
|
|
|
/* It seems that this string is not always NULL terminated */
|
|
|
|
tempHome[i] = '\0';
|
|
|
|
ssh->homedir = (char *)strdup(tempHome);
|
|
|
|
if (!ssh->homedir) {
|
|
|
|
libssh2_sftp_shutdown(ssh->sftp_session);
|
|
|
|
ssh->sftp_session = NULL;
|
|
|
|
libssh2_session_free(ssh->ssh_session);
|
|
|
|
ssh->ssh_session = NULL;
|
|
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
/* Return the error type */
|
|
|
|
i = libssh2_sftp_last_error(ssh->sftp_session);
|
|
|
|
DEBUGF(infof(data, "error = %d\n", i));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check for /~/ , indicating realative to the users home directory */
|
|
|
|
if (conn->protocol == PROT_SCP) {
|
|
|
|
real_path = (char *)malloc(working_path_len+1);
|
|
|
|
if (real_path == NULL) {
|
|
|
|
Curl_safefree(working_path);
|
|
|
|
libssh2_session_free(ssh->ssh_session);
|
|
|
|
ssh->ssh_session = NULL;
|
|
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
if (working_path[1] == '~')
|
|
|
|
/* It is referenced to the home directory, so strip the leading '/' */
|
|
|
|
memcpy(real_path, working_path+1, 1 + working_path_len-1);
|
|
|
|
else
|
|
|
|
memcpy(real_path, working_path, 1 + working_path_len);
|
|
|
|
}
|
|
|
|
else if (conn->protocol == PROT_SFTP) {
|
|
|
|
if (working_path[1] == '~') {
|
|
|
|
real_path = (char *)malloc(strlen(ssh->homedir) +
|
|
|
|
working_path_len + 1);
|
|
|
|
if (real_path == NULL) {
|
|
|
|
libssh2_sftp_shutdown(ssh->sftp_session);
|
|
|
|
ssh->sftp_session = NULL;
|
|
|
|
libssh2_session_free(ssh->ssh_session);
|
|
|
|
ssh->ssh_session = NULL;
|
|
|
|
Curl_safefree(working_path);
|
|
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
/* It is referenced to the home directory, so strip the leading '/' */
|
|
|
|
memcpy(real_path, ssh->homedir, strlen(ssh->homedir));
|
|
|
|
real_path[strlen(ssh->homedir)] = '/';
|
|
|
|
real_path[strlen(ssh->homedir)+1] = '\0';
|
|
|
|
if (working_path_len > 3) {
|
|
|
|
memcpy(real_path+strlen(ssh->homedir)+1, working_path + 3,
|
|
|
|
1 + working_path_len -3);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
real_path = (char *)malloc(working_path_len+1);
|
|
|
|
if (real_path == NULL) {
|
|
|
|
libssh2_session_free(ssh->ssh_session);
|
|
|
|
ssh->ssh_session = NULL;
|
|
|
|
Curl_safefree(working_path);
|
|
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
memcpy(real_path, working_path, 1+working_path_len);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
return CURLE_FAILED_INIT;
|
|
|
|
|
|
|
|
Curl_safefree(working_path);
|
|
|
|
ssh->path = real_path;
|
|
|
|
|
2006-11-02 16:56:40 -05:00
|
|
|
*done = TRUE;
|
|
|
|
return CURLE_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
CURLcode Curl_scp_do(struct connectdata *conn, bool *done)
|
|
|
|
{
|
|
|
|
struct stat sb;
|
2006-11-24 17:14:39 -05:00
|
|
|
struct SSHPROTO *scp = conn->data->reqdata.proto.ssh;
|
2006-11-02 16:56:40 -05:00
|
|
|
CURLcode res = CURLE_OK;
|
|
|
|
|
|
|
|
*done = TRUE; /* unconditionally */
|
|
|
|
|
|
|
|
if (conn->data->set.upload) {
|
|
|
|
/*
|
|
|
|
* NOTE!!! libssh2 requires that the destination path is a full path
|
|
|
|
* that includes the destination file and name OR ends in a "/" .
|
|
|
|
* If this is not done the destination file will be named the
|
|
|
|
* same name as the last directory in the path.
|
|
|
|
*/
|
2006-11-24 17:14:39 -05:00
|
|
|
scp->ssh_channel = libssh2_scp_send_ex(scp->ssh_session, scp->path,
|
2006-12-21 10:47:19 -05:00
|
|
|
LIBSSH2_SFTP_S_IRUSR|
|
|
|
|
LIBSSH2_SFTP_S_IWUSR|
|
|
|
|
LIBSSH2_SFTP_S_IRGRP|
|
|
|
|
LIBSSH2_SFTP_S_IROTH,
|
|
|
|
conn->data->set.infilesize, 0, 0);
|
2006-11-24 17:14:39 -05:00
|
|
|
if (!scp->ssh_channel)
|
2006-11-02 16:56:40 -05:00
|
|
|
return CURLE_FAILED_INIT;
|
2006-11-24 17:14:39 -05:00
|
|
|
|
|
|
|
/* upload data */
|
|
|
|
res = Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
|
2006-11-02 16:56:40 -05:00
|
|
|
}
|
|
|
|
else {
|
|
|
|
/*
|
2006-11-24 17:14:39 -05:00
|
|
|
* We must check the remote file, if it is a directory no vaules will
|
|
|
|
* be set in sb
|
2006-11-02 16:56:40 -05:00
|
|
|
*/
|
2006-11-24 17:14:39 -05:00
|
|
|
curl_off_t bytecount;
|
2006-11-02 16:56:40 -05:00
|
|
|
memset(&sb, 0, sizeof(struct stat));
|
2006-11-24 17:14:39 -05:00
|
|
|
scp->ssh_channel = libssh2_scp_recv(scp->ssh_session, scp->path, &sb);
|
|
|
|
if (!scp->ssh_channel) {
|
2006-11-02 16:56:40 -05:00
|
|
|
if ((sb.st_mode == 0) && (sb.st_atime == 0) && (sb.st_mtime == 0) &&
|
|
|
|
(sb.st_size == 0)) {
|
|
|
|
/* Since sb is still empty, it is likely the file was not found */
|
|
|
|
return CURLE_REMOTE_FILE_NOT_FOUND;
|
|
|
|
}
|
|
|
|
return libssh2_error_to_CURLE(conn);
|
|
|
|
}
|
2006-11-24 17:14:39 -05:00
|
|
|
/* download data */
|
|
|
|
bytecount = (curl_off_t) sb.st_size;
|
2006-11-25 04:49:29 -05:00
|
|
|
conn->data->reqdata.maxdownload = (curl_off_t) sb.st_size;
|
2006-11-24 17:14:39 -05:00
|
|
|
res = Curl_setup_transfer(conn, FIRSTSOCKET,
|
|
|
|
bytecount, FALSE, NULL, -1, NULL);
|
2006-11-02 16:56:40 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2007-01-16 17:22:10 -05:00
|
|
|
CURLcode Curl_scp_done(struct connectdata *conn, CURLcode status,
|
|
|
|
bool premature)
|
2006-11-02 16:56:40 -05:00
|
|
|
{
|
2006-11-24 17:14:39 -05:00
|
|
|
struct SSHPROTO *scp = conn->data->reqdata.proto.ssh;
|
2007-01-16 17:22:10 -05:00
|
|
|
(void)premature; /* not used */
|
2006-11-02 16:56:40 -05:00
|
|
|
|
2006-11-24 17:14:39 -05:00
|
|
|
Curl_safefree(scp->path);
|
|
|
|
scp->path = NULL;
|
2006-11-02 16:56:40 -05:00
|
|
|
|
2006-11-24 17:14:39 -05:00
|
|
|
if (scp->ssh_channel) {
|
|
|
|
if (libssh2_channel_close(scp->ssh_channel) < 0) {
|
|
|
|
infof(conn->data, "Failed to stop libssh2 channel subsystem\n");
|
2006-11-02 16:56:40 -05:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-11-24 17:14:39 -05:00
|
|
|
if (scp->ssh_session) {
|
|
|
|
libssh2_session_disconnect(scp->ssh_session, "Shutdown");
|
|
|
|
libssh2_session_free(scp->ssh_session);
|
|
|
|
scp->ssh_session = NULL;
|
2006-11-02 16:56:40 -05:00
|
|
|
}
|
|
|
|
|
2006-11-24 17:14:39 -05:00
|
|
|
free(conn->data->reqdata.proto.ssh);
|
|
|
|
conn->data->reqdata.proto.ssh = NULL;
|
2006-11-02 16:56:40 -05:00
|
|
|
Curl_pgrsDone(conn);
|
|
|
|
|
|
|
|
(void)status; /* unused */
|
|
|
|
|
|
|
|
return CURLE_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* return number of received (decrypted) bytes */
|
2006-11-24 17:14:39 -05:00
|
|
|
ssize_t Curl_scp_send(struct connectdata *conn, int sockindex,
|
|
|
|
void *mem, size_t len)
|
2006-11-02 16:56:40 -05:00
|
|
|
{
|
|
|
|
ssize_t nwrite;
|
|
|
|
|
2006-11-24 17:14:39 -05:00
|
|
|
/* libssh2_channel_write() returns int
|
|
|
|
*
|
|
|
|
* NOTE: we should not store nor rely on connection-related data to be
|
|
|
|
* in the SessionHandle struct
|
|
|
|
*/
|
|
|
|
nwrite = (ssize_t)
|
|
|
|
libssh2_channel_write(conn->data->reqdata.proto.ssh->ssh_channel,
|
|
|
|
mem, len);
|
2006-11-02 16:56:40 -05:00
|
|
|
(void)sockindex;
|
|
|
|
return nwrite;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If the read would block (EWOULDBLOCK) we return -1. Otherwise we return
|
|
|
|
* a regular CURLcode value.
|
|
|
|
*/
|
2006-11-24 17:14:39 -05:00
|
|
|
ssize_t Curl_scp_recv(struct connectdata *conn, int sockindex,
|
2007-02-02 10:26:57 -05:00
|
|
|
char *mem, size_t len)
|
2006-11-02 16:56:40 -05:00
|
|
|
{
|
|
|
|
ssize_t nread;
|
2007-02-02 10:26:57 -05:00
|
|
|
(void)sockindex; /* we only support SCP on the fixed known primary socket */
|
2006-11-02 16:56:40 -05:00
|
|
|
|
2006-11-24 17:14:39 -05:00
|
|
|
/* libssh2_channel_read() returns int
|
|
|
|
*
|
|
|
|
* NOTE: we should not store nor rely on connection-related data to be
|
|
|
|
* in the SessionHandle struct
|
|
|
|
*/
|
|
|
|
|
2007-02-02 10:26:57 -05:00
|
|
|
#ifdef LIBSSH2CHANNEL_EAGAIN
|
|
|
|
/* we prefer the non-blocking API but that didn't exist previously */
|
|
|
|
nread = (ssize_t)
|
|
|
|
libssh2_channel_readnb(conn->data->reqdata.proto.ssh->ssh_channel,
|
|
|
|
mem, len);
|
|
|
|
#else
|
2006-11-24 17:14:39 -05:00
|
|
|
nread = (ssize_t)
|
|
|
|
libssh2_channel_read(conn->data->reqdata.proto.ssh->ssh_channel,
|
|
|
|
mem, len);
|
2007-02-02 10:26:57 -05:00
|
|
|
#endif
|
2006-11-24 17:14:39 -05:00
|
|
|
return nread;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* =============== SFTP ===============
|
|
|
|
*/
|
|
|
|
|
|
|
|
CURLcode Curl_sftp_do(struct connectdata *conn, bool *done)
|
|
|
|
{
|
|
|
|
LIBSSH2_SFTP_ATTRIBUTES attrs;
|
|
|
|
struct SSHPROTO *sftp = conn->data->reqdata.proto.ssh;
|
|
|
|
CURLcode res = CURLE_OK;
|
|
|
|
struct SessionHandle *data = conn->data;
|
|
|
|
curl_off_t bytecount = 0;
|
|
|
|
char *buf = data->state.buffer;
|
|
|
|
|
|
|
|
*done = TRUE; /* unconditionally */
|
|
|
|
|
|
|
|
if (data->set.upload) {
|
|
|
|
/*
|
|
|
|
* NOTE!!! libssh2 requires that the destination path is a full path
|
|
|
|
* that includes the destination file and name OR ends in a "/" .
|
|
|
|
* If this is not done the destination file will be named the
|
|
|
|
* same name as the last directory in the path.
|
|
|
|
*/
|
|
|
|
sftp->sftp_handle =
|
|
|
|
libssh2_sftp_open(sftp->sftp_session, sftp->path,
|
|
|
|
LIBSSH2_FXF_WRITE|LIBSSH2_FXF_CREAT,
|
|
|
|
LIBSSH2_SFTP_S_IRUSR|LIBSSH2_SFTP_S_IWUSR|
|
|
|
|
LIBSSH2_SFTP_S_IRGRP|LIBSSH2_SFTP_S_IROTH);
|
|
|
|
if (!sftp->sftp_handle)
|
|
|
|
return CURLE_FAILED_INIT;
|
|
|
|
|
|
|
|
/* upload data */
|
|
|
|
res = Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
if (sftp->path[strlen(sftp->path)-1] == '/') {
|
|
|
|
/*
|
|
|
|
* This is a directory that we are trying to get, so produce a
|
|
|
|
* directory listing
|
|
|
|
*
|
|
|
|
* **BLOCKING behaviour** This should be made into a state machine and
|
|
|
|
* get a separate function called from Curl_sftp_recv() when there is
|
|
|
|
* data to read from the network, instead of "hanging" here.
|
|
|
|
*/
|
|
|
|
char filename[PATH_MAX+1];
|
|
|
|
int len, totalLen, currLen;
|
|
|
|
char *line;
|
|
|
|
|
|
|
|
sftp->sftp_handle =
|
|
|
|
libssh2_sftp_opendir(sftp->sftp_session, sftp->path);
|
|
|
|
if (!sftp->sftp_handle)
|
|
|
|
return CURLE_SSH;
|
|
|
|
|
|
|
|
while ((len = libssh2_sftp_readdir(sftp->sftp_handle, filename,
|
|
|
|
PATH_MAX, &attrs)) > 0) {
|
|
|
|
filename[len] = '\0';
|
|
|
|
|
|
|
|
if (data->set.ftp_list_only) {
|
|
|
|
if ((attrs.flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) &&
|
|
|
|
((attrs.permissions & LIBSSH2_SFTP_S_IFMT) ==
|
|
|
|
LIBSSH2_SFTP_S_IFDIR)) {
|
|
|
|
infof(data, "%s\n", filename);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
totalLen = 80 + len;
|
|
|
|
line = (char *)malloc(totalLen);
|
|
|
|
if (!line)
|
|
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
|
|
|
|
if (!(attrs.flags & LIBSSH2_SFTP_ATTR_UIDGID))
|
|
|
|
attrs.uid = attrs.gid =0;
|
|
|
|
|
|
|
|
currLen = snprintf(line, totalLen, "---------- 1 %5d %5d",
|
|
|
|
attrs.uid, attrs.gid);
|
|
|
|
|
|
|
|
if (attrs.flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) {
|
|
|
|
if ((attrs.permissions & LIBSSH2_SFTP_S_IFMT) ==
|
|
|
|
LIBSSH2_SFTP_S_IFDIR) {
|
|
|
|
line[0] = 'd';
|
|
|
|
}
|
|
|
|
else if ((attrs.permissions & LIBSSH2_SFTP_S_IFMT) ==
|
|
|
|
LIBSSH2_SFTP_S_IFLNK) {
|
|
|
|
line[0] = 'l';
|
|
|
|
}
|
|
|
|
else if ((attrs.permissions & LIBSSH2_SFTP_S_IFMT) ==
|
|
|
|
LIBSSH2_SFTP_S_IFSOCK) {
|
|
|
|
line[0] = 's';
|
|
|
|
}
|
|
|
|
else if ((attrs.permissions & LIBSSH2_SFTP_S_IFMT) ==
|
|
|
|
LIBSSH2_SFTP_S_IFCHR) {
|
|
|
|
line[0] = 'c';
|
|
|
|
}
|
|
|
|
else if ((attrs.permissions & LIBSSH2_SFTP_S_IFMT) ==
|
|
|
|
LIBSSH2_SFTP_S_IFBLK) {
|
|
|
|
line[0] = 'b';
|
|
|
|
}
|
|
|
|
if (attrs.permissions & LIBSSH2_SFTP_S_IRUSR) {
|
|
|
|
line[1] = 'r';
|
|
|
|
}
|
|
|
|
if (attrs.permissions & LIBSSH2_SFTP_S_IWUSR) {
|
|
|
|
line[2] = 'w';
|
|
|
|
}
|
|
|
|
if (attrs.permissions & LIBSSH2_SFTP_S_IXUSR) {
|
|
|
|
line[3] = 'x';
|
|
|
|
}
|
|
|
|
if (attrs.permissions & LIBSSH2_SFTP_S_IRGRP) {
|
|
|
|
line[4] = 'r';
|
|
|
|
}
|
|
|
|
if (attrs.permissions & LIBSSH2_SFTP_S_IWGRP) {
|
|
|
|
line[5] = 'w';
|
|
|
|
}
|
|
|
|
if (attrs.permissions & LIBSSH2_SFTP_S_IXGRP) {
|
|
|
|
line[6] = 'x';
|
|
|
|
}
|
|
|
|
if (attrs.permissions & LIBSSH2_SFTP_S_IROTH) {
|
|
|
|
line[7] = 'r';
|
|
|
|
}
|
|
|
|
if (attrs.permissions & LIBSSH2_SFTP_S_IWOTH) {
|
|
|
|
line[8] = 'w';
|
|
|
|
}
|
|
|
|
if (attrs.permissions & LIBSSH2_SFTP_S_IXOTH) {
|
|
|
|
line[9] = 'x';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (attrs.flags & LIBSSH2_SFTP_ATTR_SIZE) {
|
|
|
|
currLen += snprintf(line+currLen, totalLen-currLen, "%11lld",
|
|
|
|
attrs.filesize);
|
|
|
|
}
|
|
|
|
if (attrs.flags & LIBSSH2_SFTP_ATTR_ACMODTIME) {
|
|
|
|
const char *months[12] = {
|
|
|
|
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
|
|
|
|
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
|
|
|
|
struct tm *nowParts;
|
|
|
|
time_t now, remoteTime;
|
|
|
|
|
|
|
|
now = time(NULL);
|
|
|
|
remoteTime = (time_t)attrs.mtime;
|
|
|
|
nowParts = localtime(&remoteTime);
|
|
|
|
|
|
|
|
if ((time_t)attrs.mtime > (now - (3600 * 24 * 180))) {
|
|
|
|
currLen += snprintf(line+currLen, totalLen-currLen,
|
|
|
|
" %s %2d %2d:%02d", months[nowParts->tm_mon],
|
|
|
|
nowParts->tm_mday, nowParts->tm_hour,
|
|
|
|
nowParts->tm_min);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
currLen += snprintf(line+currLen, totalLen-currLen,
|
|
|
|
" %s %2d %5d", months[nowParts->tm_mon],
|
|
|
|
nowParts->tm_mday, 1900+nowParts->tm_year);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
currLen += snprintf(line+currLen, totalLen-currLen, " %s", filename);
|
|
|
|
if ((attrs.flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) &&
|
|
|
|
((attrs.permissions & LIBSSH2_SFTP_S_IFMT) ==
|
|
|
|
LIBSSH2_SFTP_S_IFLNK)) {
|
|
|
|
char linkPath[PATH_MAX + 1];
|
|
|
|
|
|
|
|
snprintf(linkPath, PATH_MAX, "%s%s", sftp->path, filename);
|
|
|
|
len = libssh2_sftp_readlink(sftp->sftp_session, linkPath, filename,
|
|
|
|
PATH_MAX);
|
|
|
|
line = realloc(line, totalLen + 4 + len);
|
|
|
|
if (!line)
|
|
|
|
return CURLE_OUT_OF_MEMORY;
|
|
|
|
|
|
|
|
currLen += snprintf(line+currLen, totalLen-currLen, " -> %s",
|
|
|
|
filename);
|
|
|
|
}
|
|
|
|
|
2007-01-27 07:14:02 -05:00
|
|
|
currLen += snprintf(line+currLen, totalLen-currLen, "\n");
|
2007-01-28 07:35:39 -05:00
|
|
|
res = Curl_client_write(conn, CLIENTWRITE_BODY, line, 0);
|
2006-11-24 17:14:39 -05:00
|
|
|
free(line);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
libssh2_sftp_closedir(sftp->sftp_handle);
|
|
|
|
sftp->sftp_handle = NULL;
|
|
|
|
|
|
|
|
/* no data to transfer */
|
|
|
|
res = Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
/*
|
|
|
|
* Work on getting the specified file
|
|
|
|
*/
|
|
|
|
sftp->sftp_handle =
|
2007-01-23 17:13:05 -05:00
|
|
|
libssh2_sftp_open(sftp->sftp_session, sftp->path, LIBSSH2_FXF_READ,
|
|
|
|
LIBSSH2_SFTP_S_IRUSR|LIBSSH2_SFTP_S_IWUSR|
|
|
|
|
LIBSSH2_SFTP_S_IRGRP|LIBSSH2_SFTP_S_IROTH);
|
2006-11-24 17:14:39 -05:00
|
|
|
if (!sftp->sftp_handle)
|
|
|
|
return CURLE_SSH;
|
|
|
|
|
|
|
|
if (libssh2_sftp_stat(sftp->sftp_session, sftp->path, &attrs)) {
|
|
|
|
/*
|
|
|
|
* libssh2_sftp_open() didn't return an error, so maybe the server
|
|
|
|
* just doesn't support stat()
|
|
|
|
*/
|
|
|
|
data->reqdata.size = -1;
|
|
|
|
data->reqdata.maxdownload = -1;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
data->reqdata.size = attrs.filesize;
|
|
|
|
data->reqdata.maxdownload = attrs.filesize;
|
|
|
|
Curl_pgrsSetDownloadSize(data, attrs.filesize);
|
|
|
|
}
|
|
|
|
|
|
|
|
Curl_pgrsTime(data, TIMER_STARTTRANSFER);
|
|
|
|
|
|
|
|
/* Now download data. The libssh2 0.14 doesn't offer any way to do this
|
|
|
|
without using this BLOCKING approach, so here's room for improvement
|
|
|
|
once libssh2 can return EWOULDBLOCK to us. */
|
|
|
|
#if 0
|
|
|
|
/* code left here just because this is what this function will use the
|
|
|
|
day libssh2 is improved */
|
|
|
|
res = Curl_setup_transfer(conn, FIRSTSOCKET,
|
|
|
|
bytecount, FALSE, NULL, -1, NULL);
|
|
|
|
#endif
|
|
|
|
while (res == CURLE_OK) {
|
|
|
|
size_t nread;
|
|
|
|
/* NOTE: most *read() functions return ssize_t but this returns size_t
|
|
|
|
which normally is unsigned! */
|
|
|
|
nread = libssh2_sftp_read(data->reqdata.proto.ssh->sftp_handle,
|
|
|
|
buf, BUFSIZE-1);
|
|
|
|
|
|
|
|
if (nread > 0)
|
|
|
|
buf[nread] = 0;
|
|
|
|
|
|
|
|
/* this check can be changed to a <= 0 when nread is changed to a
|
|
|
|
signed variable type */
|
|
|
|
if ((nread == 0) || (nread == (size_t)~0))
|
|
|
|
break;
|
|
|
|
|
|
|
|
bytecount += nread;
|
|
|
|
|
|
|
|
res = Curl_client_write(conn, CLIENTWRITE_BODY, buf, nread);
|
|
|
|
if(res)
|
|
|
|
return res;
|
|
|
|
|
|
|
|
Curl_pgrsSetDownloadCounter(data, bytecount);
|
|
|
|
|
|
|
|
if(Curl_pgrsUpdate(conn))
|
|
|
|
res = CURLE_ABORTED_BY_CALLBACK;
|
|
|
|
else {
|
|
|
|
struct timeval now = Curl_tvnow();
|
|
|
|
res = Curl_speedcheck(data, now);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if(Curl_pgrsUpdate(conn))
|
|
|
|
res = CURLE_ABORTED_BY_CALLBACK;
|
|
|
|
|
|
|
|
/* no (more) data to transfer */
|
|
|
|
res = Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2007-01-16 17:22:10 -05:00
|
|
|
CURLcode Curl_sftp_done(struct connectdata *conn, CURLcode status,
|
|
|
|
bool premature)
|
2006-11-24 17:14:39 -05:00
|
|
|
{
|
|
|
|
struct SSHPROTO *sftp = conn->data->reqdata.proto.ssh;
|
2007-01-16 17:22:10 -05:00
|
|
|
(void)premature; /* not used */
|
2006-11-24 17:14:39 -05:00
|
|
|
|
|
|
|
Curl_safefree(sftp->path);
|
|
|
|
sftp->path = NULL;
|
|
|
|
|
|
|
|
Curl_safefree(sftp->homedir);
|
|
|
|
sftp->homedir = NULL;
|
|
|
|
|
|
|
|
if (sftp->sftp_handle) {
|
|
|
|
if (libssh2_sftp_close(sftp->sftp_handle) < 0) {
|
|
|
|
infof(conn->data, "Failed to close libssh2 file\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (sftp->sftp_session) {
|
|
|
|
if (libssh2_sftp_shutdown(sftp->sftp_session) < 0) {
|
|
|
|
infof(conn->data, "Failed to stop libssh2 sftp subsystem\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (sftp->ssh_channel) {
|
|
|
|
if (libssh2_channel_close(sftp->ssh_channel) < 0) {
|
|
|
|
infof(conn->data, "Failed to stop libssh2 channel subsystem\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (sftp->ssh_session) {
|
|
|
|
libssh2_session_disconnect(sftp->ssh_session, "Shutdown");
|
|
|
|
libssh2_session_free(sftp->ssh_session);
|
|
|
|
sftp->ssh_session = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(conn->data->reqdata.proto.ssh);
|
|
|
|
conn->data->reqdata.proto.ssh = NULL;
|
|
|
|
Curl_pgrsDone(conn);
|
|
|
|
|
|
|
|
(void)status; /* unused */
|
|
|
|
|
|
|
|
return CURLE_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* return number of received (decrypted) bytes */
|
|
|
|
ssize_t Curl_sftp_send(struct connectdata *conn, int sockindex,
|
|
|
|
void *mem, size_t len)
|
|
|
|
{
|
|
|
|
ssize_t nwrite;
|
|
|
|
|
|
|
|
/* libssh2_sftp_write() returns size_t !*/
|
|
|
|
|
|
|
|
nwrite = (ssize_t)
|
|
|
|
libssh2_sftp_write(conn->data->reqdata.proto.ssh->sftp_handle, mem, len);
|
|
|
|
(void)sockindex;
|
|
|
|
return nwrite;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If the read would block (EWOULDBLOCK) we return -1. Otherwise we return
|
|
|
|
* a regular CURLcode value.
|
|
|
|
*/
|
|
|
|
ssize_t Curl_sftp_recv(struct connectdata *conn, int sockindex,
|
|
|
|
char *mem, size_t len)
|
|
|
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{
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ssize_t nread;
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2007-02-06 10:41:19 -05:00
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(void)sockindex;
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2006-11-24 17:14:39 -05:00
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/* libssh2_sftp_read() returns size_t !*/
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2007-02-06 10:41:19 -05:00
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#ifdef LIBSSH2SFTP_EAGAIN
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/* we prefer the non-blocking API but that didn't exist previously */
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nread = (ssize_t)
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libssh2_sftp_readnb(conn->data->reqdata.proto.ssh->sftp_handle, mem, len);
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#else
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2006-11-24 17:14:39 -05:00
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nread = (ssize_t)
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libssh2_sftp_read(conn->data->reqdata.proto.ssh->sftp_handle, mem, len);
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2007-02-06 10:41:19 -05:00
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#endif
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2006-11-02 16:56:40 -05:00
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return nread;
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}
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#endif /* USE_LIBSSH2 */
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