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add attribute reading for sftpv6

This commit is contained in:
terrafrost 2021-08-26 09:23:33 -05:00
parent f56158e73f
commit 1f1e2794c7
1 changed files with 52 additions and 6 deletions
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58
phpseclib/Net/SFTP.php
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@ -1127,7 +1127,6 @@ class Net_SFTP extends Net_SSH2
}
extract(unpack('Nlength', $this->_string_shift($response, 4)));
$shortname = $this->_string_shift($response, $length);
echo "================= $shortname\n";
// SFTPv4 "removed the long filename from the names structure-- it can now be
// built from information available in the attrs structure."
if ($this->version < 4) {
@ -1138,7 +1137,6 @@ echo "================= $shortname\n";
$longname = $this->_string_shift($response, $length);
}
$attributes = $this->_parseAttributes($response);
var_dump($attributes);// exit;
if (!isset($attributes['type']) && $this->version < 4) {
$fileType = $this->_parseLongname($longname);
if ($fileType) {
@ -3126,6 +3124,7 @@ SFTP v6 changes (from v5)
$attr+= $this->_parseTime('mtime', $flags, $response);
break;
case NET_SFTP_ATTR_ACL: // 0x00000040
// access control list
// see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-04#section-5.7
// currently unsupported
if (strlen($response) < 4) {
@ -3174,18 +3173,65 @@ SFTP v6 changes (from v5)
case NET_SFTP_ATTR_BITS: // 0x00000200 (SFTPv5+)
// see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-05#section-5.8
// currently unsupported
// tells if you file is:
// readonly, system, hidden, case inensitive, archive, encrypted, compressed, sparse
// append only, immutable, sync
if (strlen($response) < 8) {
user_error('Malformed file attributes');
return $attr;
}
extract(unpack('Nattrib-bits/Nattrib-bits-valid', $this->_string_shift($response, 8)));
break;
case NET_SFTP_ATTR_ALLOCATION_SIZE: // 0x00000400 (SFTPv6+)
// see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.4
// represents the number of bytes htat the file consumes on the disk. will
// usually be larger than the 'size' field
$attr['allocation-size'] = hexdec(bin2hex($this->_string_shift($response, 8)));
break;
case NET_SFTP_ATTR_TEXT_HINT: // 0x00000800
// https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.10
// currently unsupported
// tells if file is "known text", "guessed text", "known binary", "guessed binary"
extract(unpack('Ctext-hint', $this->_string_shift($response)));
break;
case NET_SFTP_ATTR_MIME_TYPE: // 0x00001000
// see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.11
if (strlen($response) < 4) {
user_error('Malformed file attributes');
return $attr;
}
extract(unpack('Nbits', $this->_string_shift($response, 4)));
extract(unpack('Nlength', $this->_string_shift($response, 4)));
if (strlen($response) < $length) {
user_error('Malformed file attributes');
return $attr;
}
$attr['mime-type'] = $this->_string_shift($response, $length);
break;
case NET_SFTP_ATTR_ALLOCATION_SIZE: // 0x00000400 (SFTPv6+)
case NET_SFTP_ATTR_TEXT_HINT: // 0x00000800
case NET_SFTP_ATTR_MIME_TYPE: // 0x00001000
case NET_SFTP_ATTR_LINK_COUNT: // 0x00002000
// see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.12
if (strlen($response) < 4) {
user_error('Malformed file attributes');
return $attr;
}
$attr+= unpack('Nlink-count', $this->_string_shift($response, 4));
break;
case NET_SFTP_ATTR_UNTRANSLATED_NAME:// 0x00004000
// see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.13
if (strlen($response) < 4) {
user_error('Malformed file attributes');
return $attr;
}
extract(unpack('Nlength', $this->_string_shift($response, 4)));
if (strlen($response) < $length) {
user_error('Malformed file attributes');
return $attr;
}
$attr['untranslated-name'] = $this->_string_shift($response, $length);
break;
case NET_SFTP_ATTR_CTIME: // 0x00008000
// 'ctime' contains the last time the file attributes were changed. The
// exact meaning of this field depends on the server.
$attr+= $this->_parseTime('ctime', $flags, $response);
break;
case NET_SFTP_ATTR_EXTENDED: // 0x80000000
if (strlen($response) < 4) {