#ifndef HEADER_CURL_SSH_H #define HEADER_CURL_SSH_H /*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at http://curl.haxx.se/docs/copyright.html. * * You may opt to use, copy, modify, merge, publish, distribute and/or sell * copies of the Software, and permit persons to whom the Software is * furnished to do so, under the terms of the COPYING file. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ***************************************************************************/ #include "setup.h" #ifdef HAVE_LIBSSH2_H #include <libssh2.h> #include <libssh2_sftp.h> #endif /* HAVE_LIBSSH2_H */ /**************************************************************************** * SSH unique setup ***************************************************************************/ typedef enum { SSH_NO_STATE = -1, /* Used for "nextState" so say there is none */ SSH_STOP = 0, /* do nothing state, stops the state machine */ SSH_INIT, /* First state in SSH-CONNECT */ SSH_S_STARTUP, /* Session startup */ SSH_HOSTKEY, /* verify hostkey */ SSH_AUTHLIST, SSH_AUTH_PKEY_INIT, SSH_AUTH_PKEY, SSH_AUTH_PASS_INIT, SSH_AUTH_PASS, SSH_AUTH_HOST_INIT, SSH_AUTH_HOST, SSH_AUTH_KEY_INIT, SSH_AUTH_KEY, SSH_AUTH_DONE, SSH_SFTP_INIT, SSH_SFTP_REALPATH, /* Last state in SSH-CONNECT */ SSH_SFTP_QUOTE_INIT, /* First state in SFTP-DO */ SSH_SFTP_POSTQUOTE_INIT, /* (Possibly) First state in SFTP-DONE */ SSH_SFTP_QUOTE, SSH_SFTP_NEXT_QUOTE, SSH_SFTP_QUOTE_STAT, SSH_SFTP_QUOTE_SETSTAT, SSH_SFTP_QUOTE_SYMLINK, SSH_SFTP_QUOTE_MKDIR, SSH_SFTP_QUOTE_RENAME, SSH_SFTP_QUOTE_RMDIR, SSH_SFTP_QUOTE_UNLINK, SSH_SFTP_TRANS_INIT, SSH_SFTP_UPLOAD_INIT, SSH_SFTP_CREATE_DIRS_INIT, SSH_SFTP_CREATE_DIRS, SSH_SFTP_CREATE_DIRS_MKDIR, SSH_SFTP_READDIR_INIT, SSH_SFTP_READDIR, SSH_SFTP_READDIR_LINK, SSH_SFTP_READDIR_BOTTOM, SSH_SFTP_READDIR_DONE, SSH_SFTP_DOWNLOAD_INIT, SSH_SFTP_DOWNLOAD_STAT, /* Last state in SFTP-DO */ SSH_SFTP_CLOSE, /* Last state in SFTP-DONE */ SSH_SFTP_SHUTDOWN, /* First state in SFTP-DISCONNECT */ SSH_SCP_TRANS_INIT, /* First state in SCP-DO */ SSH_SCP_UPLOAD_INIT, SSH_SCP_DOWNLOAD_INIT, SSH_SCP_DONE, SSH_SCP_SEND_EOF, SSH_SCP_WAIT_EOF, SSH_SCP_WAIT_CLOSE, SSH_SCP_CHANNEL_FREE, /* Last state in SCP-DONE */ SSH_SESSION_DISCONNECT, /* First state in SCP-DISCONNECT */ SSH_SESSION_FREE, /* Last state in SCP/SFTP-DISCONNECT */ SSH_QUIT, SSH_LAST /* never used */ } sshstate; /* this struct is used in the HandleData struct which is part of the SessionHandle, which means this is used on a per-easy handle basis. Everything that is strictly related to a connection is banned from this struct. */ struct SSHPROTO { char *path; /* the path we operate on */ }; /* ssh_conn is used for struct connection-oriented data in the connectdata struct */ struct ssh_conn { const char *authlist; /* List of auth. methods, managed by libssh2 */ #ifdef USE_LIBSSH2 const char *passphrase; /* pass-phrase to use */ char *rsa_pub; /* path name */ char *rsa; /* path name */ bool authed; /* the connection has been authenticated fine */ sshstate state; /* always use ssh.c:state() to change state! */ sshstate nextstate; /* the state to goto after stopping */ CURLcode actualcode; /* the actual error code */ struct curl_slist *quote_item; /* for the quote option */ char *quote_path1; /* two generic pointers for the QUOTE stuff */ char *quote_path2; LIBSSH2_SFTP_ATTRIBUTES quote_attrs; /* used by the SFTP_QUOTE state */ bool acceptfail; /* used by the SFTP_QUOTE (continue if quote command fails) */ char *homedir; /* when doing SFTP we figure out home dir in the connect phase */ /* Here's a set of struct members used by the SFTP_READDIR state */ LIBSSH2_SFTP_ATTRIBUTES readdir_attrs; char *readdir_filename; char *readdir_longentry; int readdir_len, readdir_totalLen, readdir_currLen; char *readdir_line; char *readdir_linkPath; /* end of READDIR stuff */ int secondCreateDirs; /* counter use by the code to see if the second attempt has been made to change to/create a directory */ char *slash_pos; /* used by the SFTP_CREATE_DIRS state */ LIBSSH2_SESSION *ssh_session; /* Secure Shell session */ LIBSSH2_CHANNEL *ssh_channel; /* Secure Shell channel handle */ LIBSSH2_SFTP *sftp_session; /* SFTP handle */ LIBSSH2_SFTP_HANDLE *sftp_handle; int orig_waitfor; /* default READ/WRITE bits wait for */ /* note that HAVE_LIBSSH2_KNOWNHOST_API is a define set in the libssh2.h header */ #ifdef HAVE_LIBSSH2_KNOWNHOST_API LIBSSH2_KNOWNHOSTS *kh; #endif #endif /* USE_LIBSSH2 */ }; #ifdef USE_LIBSSH2 #if !defined(LIBSSH2_VERSION_NUM) || (LIBSSH2_VERSION_NUM < 0x001000) # error "SCP/SFTP protocols require libssh2 0.16 or later" #endif #if defined(LIBSSH2_VERSION_NUM) && (LIBSSH2_VERSION_NUM >= 0x010000) # define HAVE_LIBSSH2_SFTP_SEEK64 1 #else # undef HAVE_LIBSSH2_SFTP_SEEK64 #endif #if defined(LIBSSH2_VERSION_NUM) && (LIBSSH2_VERSION_NUM >= 0x010206) # define HAVE_LIBSSH2_SCP_SEND64 1 #else # undef HAVE_LIBSSH2_SCP_SEND64 #endif extern const struct Curl_handler Curl_handler_scp; extern const struct Curl_handler Curl_handler_sftp; #endif /* USE_LIBSSH2 */ #endif /* HEADER_CURL_SSH_H */