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SFTP: update get(), put() and touch()
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terrafrost
parent
5fcba4627f
commit
9ae2b0030d
@ -358,9 +358,6 @@ class Net_SFTP extends Net_SSH2
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$this->packet_types = array(
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1 => 'NET_SFTP_INIT',
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2 => 'NET_SFTP_VERSION',
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/* the format of SSH_FXP_OPEN changed between SFTPv4 and SFTPv5+:
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SFTPv5+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.1
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pre-SFTPv5 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.3 */
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3 => 'NET_SFTP_OPEN',
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4 => 'NET_SFTP_CLOSE',
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5 => 'NET_SFTP_READ',
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@ -374,9 +371,6 @@ class Net_SFTP extends Net_SSH2
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15 => 'NET_SFTP_RMDIR',
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16 => 'NET_SFTP_REALPATH',
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17 => 'NET_SFTP_STAT',
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/* the format of SSH_FXP_RENAME changed between SFTPv4 and SFTPv5+:
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SFTPv5+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3
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pre-SFTPv5 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.5 */
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18 => 'NET_SFTP_RENAME',
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19 => 'NET_SFTP_READLINK',
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20 => 'NET_SFTP_SYMLINK',
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@ -449,16 +443,38 @@ class Net_SFTP extends Net_SSH2
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// that's not a problem, however, and 'anded' and a 32-bit number, as all the leading 1 bits are ignored.
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(-1 << 31) & 0xFFFFFFFF => 'NET_SFTP_ATTR_EXTENDED'
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);
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// http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.3
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// the flag definitions change somewhat in SFTPv5+. if SFTPv5+ support is added to this library, maybe name
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// the array for that $this->open5_flags and similarly alter the constant names.
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$this->open_flags = array(
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0x00000001 => 'NET_SFTP_OPEN_READ',
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0x00000002 => 'NET_SFTP_OPEN_WRITE',
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0x00000004 => 'NET_SFTP_OPEN_APPEND',
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0x00000008 => 'NET_SFTP_OPEN_CREATE',
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0x00000010 => 'NET_SFTP_OPEN_TRUNCATE',
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0x00000020 => 'NET_SFTP_OPEN_EXCL'
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0x00000020 => 'NET_SFTP_OPEN_EXCL',
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0x00000040 => 'NET_SFTP_OPEN_TEXT' // defined in SFTPv4
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);
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// SFTPv5+ changed the flags up:
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// https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-8.1.1.3
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$this->open_flags5 = array(
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// when SSH_FXF_ACCESS_DISPOSITION is a 3 bit field that controls how the file is opened
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0x00000000 => 'NET_SFTP_OPEN_CREATE_NEW',
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0x00000001 => 'NET_SFTP_OPEN_CREATE_TRUNCATE',
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0x00000002 => 'NET_SFTP_OPEN_OPEN_EXISTING',
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0x00000003 => 'NET_SFTP_OPEN_OPEN_OR_CREATE',
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0x00000004 => 'NET_SFTP_OPEN_TRUNCATE_EXISTING',
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// the rest of the flags are not supported
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0x00000008 => 'NET_SFTP_OPEN_APPEND_DATA', // "the offset field of SS_FXP_WRITE requests is ignored"
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0x00000010 => 'NET_SFTP_OPEN_APPEND_DATA_ATOMIC',
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0x00000020 => 'NET_SFTP_OPEN_TEXT_MODE',
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0x00000040 => 'NET_SFTP_OPEN_BLOCK_READ',
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0x00000080 => 'NET_SFTP_OPEN_BLOCK_WRITE',
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0x00000100 => 'NET_SFTP_OPEN_BLOCK_DELETE',
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0x00000200 => 'NET_SFTP_OPEN_BLOCK_ADVISORY',
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0x00000400 => 'NET_SFTP_OPEN_NOFOLLOW',
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0x00000800 => 'NET_SFTP_OPEN_DELETE_ON_CLOSE',
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0x00001000 => 'NET_SFTP_OPEN_ACCESS_AUDIT_ALARM_INFO',
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0x00002000 => 'NET_SFTP_OPEN_ACCESS_BACKUP',
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0x00004000 => 'NET_SFTP_OPEN_BACKUP_STREAM',
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0x00008000 => 'NET_SFTP_OPEN_OVERRIDE_OWNER',
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);
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// http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2
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// see Net_SFTP::_parseLongname() for an explanation
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@ -480,6 +496,7 @@ class Net_SFTP extends Net_SSH2
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$this->status_codes,
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$this->attributes,
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$this->open_flags,
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$this->open_flags5,
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$this->file_types
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);
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@ -1611,9 +1628,12 @@ class Net_SFTP extends Net_SSH2
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$atime = $time;
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}
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$flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE | NET_SFTP_OPEN_EXCL;
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$attr = pack('N3', NET_SFTP_ATTR_ACCESSTIME, $time, $atime);
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$packet = pack('Na*Na*', strlen($filename), $filename, $flags, $attr);
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$packet = pack('Na*', strlen($filename), $filename);
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$packet.= $this->version >= 5 ?
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pack('N2', 0, NET_SFTP_OPEN_OPEN_EXISTING) :
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pack('N', NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE | NET_SFTP_OPEN_EXCL);
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$packet.= pack('N3', NET_SFTP_ATTR_ACCESSTIME, $time, $atime);
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if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
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return false;
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}
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@ -2173,27 +2193,6 @@ class Net_SFTP extends Net_SSH2
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*/
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function put($remote_file, $data, $mode = NET_SFTP_STRING, $start = -1, $local_start = -1, $progressCallback = null)
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{
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/*
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SFTPv4 introduces the following new mode:
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- SSH_FXP_TEXT (renamed to SSH_FXF_TEXT_MODE in v5)
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SFTPv5 introduced the following new modes:
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- SSH_FXF_ACCESS_READ_LOCK (renamed to SSH_FXF_BLOCK_READ in v6)
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- SSH_FXF_ACCESS_WRITE_LOCK (renamed to SSH_FXF_BLOCK_WRITE in v6)
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- SSH_FXF_ACCESS_DELETE_LOCK (renamed to SSH_FXF_BLOCK_DELETE in v6)
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SFTPv6 introduced the following new modes:
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- SSH_FXF_BLOCK_ADVISORY
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- SSH_FXF_NOFOLLOW
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- SSH_FXF_DELETE_ON_CLOSE
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- SSH_FXF_ACCESS_AUDIT_ALARM_INFO
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- SSH_FXF_ACCESS_BACKUP
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- SSH_FXF_BACKUP_STREAM
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- ACCESS_OVERRIDE_OWNER
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none of these are currently supported
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*/
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if (!$this->_precheck()) {
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return false;
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}
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@ -2205,10 +2204,14 @@ class Net_SFTP extends Net_SSH2
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$this->_remove_from_stat_cache($remote_file);
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$flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE;
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// according to the SFTP specs, NET_SFTP_OPEN_APPEND should "force all writes to append data at the end of the file."
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// in practice, it doesn't seem to do that.
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//$flags|= ($mode & NET_SFTP_RESUME) ? NET_SFTP_OPEN_APPEND : NET_SFTP_OPEN_TRUNCATE;
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if ($this->version >= 5) {
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$flags = NET_SFTP_OPEN_OPEN_OR_CREATE;
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} else {
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$flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE;
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// according to the SFTP specs, NET_SFTP_OPEN_APPEND should "force all writes to append data at the end of the file."
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// in practice, it doesn't seem to do that.
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//$flags|= ($mode & NET_SFTP_RESUME) ? NET_SFTP_OPEN_APPEND : NET_SFTP_OPEN_TRUNCATE;
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}
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if ($start >= 0) {
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$offset = $start;
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@ -2218,10 +2221,17 @@ class Net_SFTP extends Net_SSH2
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$offset = $size !== false ? $size : 0;
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} else {
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$offset = 0;
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$flags|= NET_SFTP_OPEN_TRUNCATE;
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if ($this->version >= 5) {
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$flags = NET_SFTP_OPEN_CREATE_TRUNCATE;
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} else {
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$flags|= NET_SFTP_OPEN_TRUNCATE;
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}
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}
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$packet = pack('Na*N2', strlen($remote_file), $remote_file, $flags, 0);
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$packet = pack('Na*', strlen($remote_file), $remote_file);
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$packet.= $this->version >= 5 ?
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pack('N3', 0, $flags, 0) :
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pack('N2', $flags, 0);
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if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
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return false;
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}
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@ -2445,7 +2455,10 @@ class Net_SFTP extends Net_SSH2
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return false;
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}
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$packet = pack('Na*N2', strlen($remote_file), $remote_file, NET_SFTP_OPEN_READ, 0);
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$packet = pack('Na*', strlen($remote_file), $remote_file);
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$packet.= $this->version >= 5 ?
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pack('N3', 0, NET_SFTP_OPEN_OPEN_EXISTING, 0) :
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pack('N2', NET_SFTP_OPEN_READ, 0);
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if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
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return false;
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}
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