getid3_tar Class Reference
getID3() by James Heinrich info@.nosp@m.geti.nosp@m.d3.or.nosp@m.g // More...
Collaboration diagram for getid3_tar:
Public Member Functions | |
| getid3_tar (&$fd, &$ThisFileInfo) | |
| display_perms ($mode) | |
| get_flag_type ($typflag) | |
Detailed Description
getID3() by James Heinrich info@.nosp@m.geti.nosp@m.d3.or.nosp@m.g //
Definition at line 17 of file module.archive.tar.php.
Member Function Documentation
◆ display_perms()
| getid3_tar::display_perms | ( | $mode | ) |
Definition at line 109 of file module.archive.tar.php.
109 {
110 // Determine Type
111 if ($mode & 0x1000) $type='p'; // FIFO pipe
112 elseif ($mode & 0x2000) $type='c'; // Character special
113 elseif ($mode & 0x4000) $type='d'; // Directory
114 elseif ($mode & 0x6000) $type='b'; // Block special
115 elseif ($mode & 0x8000) $type='-'; // Regular
116 elseif ($mode & 0xA000) $type='l'; // Symbolic Link
117 elseif ($mode & 0xC000) $type='s'; // Socket
118 else $type='u'; // UNKNOWN
119
120 // Determine permissions
121 $owner['read'] = (($mode & 00400) ? 'r' : '-');
122 $owner['write'] = (($mode & 00200) ? 'w' : '-');
123 $owner['execute'] = (($mode & 00100) ? 'x' : '-');
124 $group['read'] = (($mode & 00040) ? 'r' : '-');
125 $group['write'] = (($mode & 00020) ? 'w' : '-');
126 $group['execute'] = (($mode & 00010) ? 'x' : '-');
127 $world['read'] = (($mode & 00004) ? 'r' : '-');
128 $world['write'] = (($mode & 00002) ? 'w' : '-');
129 $world['execute'] = (($mode & 00001) ? 'x' : '-');
130
131 // Adjust for SUID, SGID and sticky bit
132 if ($mode & 0x800) $owner['execute'] = ($owner['execute'] == 'x') ? 's' : 'S';
133 if ($mode & 0x400) $group['execute'] = ($group['execute'] == 'x') ? 's' : 'S';
134 if ($mode & 0x200) $world['execute'] = ($world['execute'] == 'x') ? 't' : 'T';
135
136 $s = sprintf('%1s', $type);
137 $s .= sprintf('%1s%1s%1s', $owner['read'], $owner['write'], $owner['execute']);
138 $s .= sprintf('%1s%1s%1s', $group['read'], $group['write'], $group['execute']);
139 $s .= sprintf('%1s%1s%1s'."\n", $world['read'], $world['write'], $world['execute']);
140 return $s;
141 }
Referenced by getid3_tar().
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◆ get_flag_type()
| getid3_tar::get_flag_type | ( | $typflag | ) |
Definition at line 144 of file module.archive.tar.php.
144 {
145 static $flag_types = array(
146 '0' => 'LF_NORMAL',
147 '1' => 'LF_LINK',
148 '2' => 'LF_SYNLINK',
149 '3' => 'LF_CHR',
150 '4' => 'LF_BLK',
151 '5' => 'LF_DIR',
152 '6' => 'LF_FIFO',
153 '7' => 'LF_CONFIG',
154 'D' => 'LF_DUMPDIR',
155 'K' => 'LF_LONGLINK',
156 'L' => 'LF_LONGNAME',
157 'M' => 'LF_MULTIVOL',
158 'N' => 'LF_NAMES',
159 'S' => 'LF_SPARSE',
160 'V' => 'LF_VOLHDR'
161 );
162 return @$flag_types[$typflag];
163 }
Referenced by getid3_tar().
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◆ getid3_tar()
| getid3_tar::getid3_tar | ( | & | $fd, |
| & | $ThisFileInfo | ||
| ) |
Definition at line 19 of file module.archive.tar.php.
19 {
20 $ThisFileInfo['fileformat'] = 'tar';
21 $ThisFileInfo['tar']['files'] = array();
22
23 $unpack_header = 'a100fname/a8mode/a8uid/a8gid/a12size/a12mtime/a8chksum/a1typflag/a100lnkname/a6magic/a2ver/a32uname/a32gname/a8devmaj/a8devmin/a155/prefix';
24 $null_512k = str_repeat("\0", 512); // end-of-file marker
25
26 @fseek($fd, 0);
27 while (!feof($fd)) {
28 $buffer = fread($fd, 512);
29
30 // check the block
31 $checksum = 0;
32 for ($i = 0; $i < 148; $i++) {
33 $checksum += ord($buffer{$i});
34 }
35 for ($i = 148; $i < 156; $i++) {
36 $checksum += ord(' ');
37 }
38 for ($i = 156; $i < 512; $i++) {
39 $checksum += ord($buffer{$i});
40 }
41 $attr = unpack($unpack_header, $buffer);
42 $name = trim(@$attr['fname']);
43 $mode = octdec(trim(@$attr['mode']));
44 $uid = octdec(trim(@$attr['uid']));
45 $gid = octdec(trim(@$attr['gid']));
47 $mtime = octdec(trim(@$attr['mtime']));
48 $chksum = octdec(trim(@$attr['chksum']));
49 $typflag = trim(@$attr['typflag']);
50 $lnkname = trim(@$attr['lnkname']);
51 $magic = trim(@$attr['magic']);
52 $ver = trim(@$attr['ver']);
53 $uname = trim(@$attr['uname']);
54 $gname = trim(@$attr['gname']);
55 $devmaj = octdec(trim(@$attr['devmaj']));
56 $devmin = octdec(trim(@$attr['devmin']));
57 $prefix = trim(@$attr['prefix']);
58 if (($checksum == 256) && ($chksum == 0)) {
59 // EOF Found
60 break;
61 }
62 if ($prefix) {
63 $name = $prefix.'/'.$name;
64 }
65 if ((preg_match('#/$#', $name)) && !$name) {
66 $typeflag = 5;
67 }
68 if ($buffer == $null_512k) {
69 // it's the end of the tar-file...
70 break;
71 }
72
73 // Read to the next chunk
74 fseek($fd, $size, SEEK_CUR);
75
76 $diff = $size % 512;
77 if ($diff != 0) {
78 // Padding, throw away
79 fseek($fd, (512 - $diff), SEEK_CUR);
80 }
81 // Protect against tar-files with garbage at the end
82 if ($name == '') {
83 break;
84 }
85 $ThisFileInfo['tar']['file_details'][$name] = array (
86 'name' => $name,
87 'mode_raw' => $mode,
89 'uid' => $uid,
90 'gid' => $gid,
92 'mtime' => $mtime,
93 'chksum' => $chksum,
95 'linkname' => $lnkname,
96 'magic' => $magic,
97 'version' => $ver,
98 'uname' => $uname,
99 'gname' => $gname,
100 'devmajor' => $devmaj,
101 'devminor' => $devmin
102 );
103 $ThisFileInfo['tar']['files'] = getid3_lib::array_merge_clobber($ThisFileInfo['tar']['files'], getid3_lib::CreateDeepArray($ThisFileInfo['tar']['file_details'][$name]['name'], '/', $size));
104 }
105 return true;
106 }
CreateDeepArray($ArrayPath, $Separator, $Value)
Definition: getid3.lib.php:465
References $size, getid3_lib\array_merge_clobber(), getid3_lib\CreateDeepArray(), display_perms(), and get_flag_type().
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The documentation for this class was generated from the following file:
- Services/MediaObjects/getid3/getid3/module.archive.tar.php
