| 1 | # |
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| 2 | # Extended object interface to entries in LDAP directories or LDIF files. |
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| 3 | # |
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| 4 | # (c) 2006 Pierre David (pdav@users.sourceforge.net) |
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| 5 | # |
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| 6 | # $Id: ldapx.tcl,v 1.11 2007/08/19 20:20:43 pdav Exp $ |
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| 7 | # |
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| 8 | # History: |
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| 9 | # 2006/08/08 : pda : design |
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| 10 | # |
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| 11 | |
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| 12 | package require Tcl 8.4 |
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| 13 | package require snit ;# tcllib |
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| 14 | package require uri 1.1.5 ;# tcllib |
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| 15 | package require base64 ;# tcllib |
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| 16 | package require ldap 1.6 ;# tcllib, low level code for LDAP directories |
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| 17 | |
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| 18 | package provide ldapx 1.0 |
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| 19 | |
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| 20 | ############################################################################## |
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| 21 | # LDAPENTRY object type |
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| 22 | ############################################################################## |
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| 23 | |
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| 24 | snit::type ::ldapx::entry { |
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| 25 | ######################################################################### |
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| 26 | # Variables |
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| 27 | ######################################################################### |
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| 28 | |
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| 29 | # |
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| 30 | # Format of an individual entry |
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| 31 | # May be "standard" (standard LDAP entry, read from an LDAP directory |
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| 32 | # or from a LDIF channel) or "change" (LDIF change, or result of the |
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| 33 | # comparison of two standard entries). |
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| 34 | # Special : "uninitialized" means that this entry has not been used, |
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| 35 | # and the first use will initialize it. |
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| 36 | # |
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| 37 | |
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| 38 | variable format "uninitialized" |
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| 39 | |
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| 40 | # |
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| 41 | # DN |
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| 42 | # |
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| 43 | |
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| 44 | variable dn "" |
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| 45 | |
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| 46 | # |
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| 47 | # Standard entry |
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| 48 | # |
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| 49 | # Syntax: |
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| 50 | # - array indexed by attribute names (lower case) |
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| 51 | # - each value is the list of attributes |
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| 52 | # |
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| 53 | # The current state may be backed up in an internal state. |
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| 54 | # (see backup and restore methods) |
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| 55 | # |
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| 56 | |
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| 57 | variable attrvals -array {} |
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| 58 | |
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| 59 | variable backup 0 |
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| 60 | variable bckav -array {} |
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| 61 | variable bckdn "" |
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| 62 | |
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| 63 | # |
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| 64 | # Change entry |
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| 65 | # |
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| 66 | # Syntax: |
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| 67 | # {{<op> <parameters>} ... } |
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| 68 | # if <op> = mod |
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| 69 | # {mod {{<modop> <attr> [ {<val1> ... <valn>} ]} ...} } |
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| 70 | # where <modop> = modrepl, modadd, moddel |
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| 71 | # if <op> = add |
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| 72 | # {add {<attr> {<val1> ... <valn>} ...}} |
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| 73 | # if <op> = del |
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| 74 | # {del} |
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| 75 | # if <op> = modrdn |
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| 76 | # {modrdn <newrdn> <deleteoldrdn> [ <newsuperior> ]} |
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| 77 | # |
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| 78 | |
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| 79 | variable change "" |
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| 80 | |
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| 81 | ######################################################################### |
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| 82 | # Generic methods (for both standard and change entries) |
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| 83 | ######################################################################### |
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| 84 | |
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| 85 | # Resets the entry to an empty state |
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| 86 | |
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| 87 | method reset {} { |
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| 88 | |
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| 89 | set format "uninitialized" |
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| 90 | set dn "" |
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| 91 | array unset attrvals |
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| 92 | set backup 0 |
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| 93 | array unset bckav |
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| 94 | set bckdn "" |
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| 95 | set change "" |
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| 96 | } |
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| 97 | |
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| 98 | # Returns current format |
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| 99 | |
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| 100 | method format {} { |
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| 101 | |
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| 102 | return $format |
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| 103 | } |
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| 104 | |
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| 105 | # Checks if entry is compatible with a certain format |
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| 106 | # errors out if not |
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| 107 | |
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| 108 | method compatible {ref} { |
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| 109 | |
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| 110 | if {$format eq "uninitialized"} then { |
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| 111 | set format $ref |
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| 112 | } elseif {$format ne $ref} then { |
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| 113 | return -code error \ |
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| 114 | "Invalid operation on format $format (should be $ref)" |
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| 115 | } |
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| 116 | } |
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| 117 | |
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| 118 | # Get or set the current dn |
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| 119 | |
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| 120 | method dn {{newdn {-}}} { |
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| 121 | |
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| 122 | if {$newdn ne "-"} then { |
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| 123 | set dn $newdn |
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| 124 | } |
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| 125 | return $dn |
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| 126 | } |
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| 127 | |
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| 128 | # Get the "superior" (LDAP slang word) part of current dn |
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| 129 | |
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| 130 | method superior {} { |
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| 131 | |
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| 132 | set pos [string first "," $dn] |
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| 133 | if {$pos == -1} then { |
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| 134 | set r "" |
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| 135 | } else { |
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| 136 | set r [string range $dn [expr {$pos+1}] end] |
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| 137 | } |
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| 138 | return $r |
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| 139 | } |
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| 140 | |
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| 141 | # Get the "rdn" part of current dn |
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| 142 | |
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| 143 | method rdn {} { |
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| 144 | |
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| 145 | set pos [string first "," $dn] |
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| 146 | if {$pos == -1} then { |
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| 147 | set r "" |
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| 148 | } else { |
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| 149 | set r [string range $dn 0 [expr {$pos-1}]] |
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| 150 | } |
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| 151 | return $r |
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| 152 | } |
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| 153 | |
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| 154 | # Get a printable form of the contents |
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| 155 | |
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| 156 | method print {} { |
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| 157 | |
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| 158 | set r "dn: $dn" |
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| 159 | switch -- $format { |
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| 160 | uninitialized { |
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| 161 | # nothing |
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| 162 | } |
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| 163 | standard { |
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| 164 | foreach a [lsort [array names attrvals]] { |
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| 165 | append r "\n$a: $attrvals($a)" |
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| 166 | } |
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| 167 | } |
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| 168 | change { |
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| 169 | if {[llength $change]} then { |
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| 170 | append r "\n$change" |
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| 171 | } |
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| 172 | } |
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| 173 | default { |
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| 174 | append r " (inconsistent value)" |
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| 175 | } |
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| 176 | } |
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| 177 | return $r |
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| 178 | } |
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| 179 | |
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| 180 | # Prints the whole state of an entry |
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| 181 | |
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| 182 | method debug {} { |
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| 183 | |
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| 184 | set r "dn = <$dn>\nformat = $format" |
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| 185 | switch -- $format { |
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| 186 | uninitialized { |
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| 187 | # nothing |
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| 188 | } |
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| 189 | standard { |
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| 190 | foreach a [lsort [array names attrvals]] { |
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| 191 | append r "\n\t$a: $attrvals($a)" |
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| 192 | } |
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| 193 | if {$backup} then { |
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| 194 | append r "\nbackup dn = $bckdn" |
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| 195 | foreach a [lsort [array names bckav]] { |
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| 196 | append r "\n\t$a: $bckav($a)" |
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| 197 | } |
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| 198 | } else { |
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| 199 | append r "\nno backup" |
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| 200 | } |
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| 201 | } |
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| 202 | change { |
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| 203 | if {[llength $change]} then { |
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| 204 | append r "\n$change" |
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| 205 | } else { |
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| 206 | append r "\nno change" |
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| 207 | } |
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| 208 | } |
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| 209 | default { |
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| 210 | append r " (inconsistent value)" |
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| 211 | } |
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| 212 | } |
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| 213 | return $r |
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| 214 | } |
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| 215 | |
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| 216 | |
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| 217 | ######################################################################### |
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| 218 | # Methods for standard entries |
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| 219 | ######################################################################### |
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| 220 | |
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| 221 | # Tells if the current entry is empty |
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| 222 | |
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| 223 | method isempty {} { |
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| 224 | |
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| 225 | $self compatible "standard" |
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| 226 | |
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| 227 | return [expr {[array size attrvals] == 0}] |
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| 228 | } |
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| 229 | |
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| 230 | # Get all values for an attribute |
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| 231 | |
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| 232 | method get {attr} { |
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| 233 | |
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| 234 | $self compatible "standard" |
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| 235 | |
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| 236 | set a [string tolower $attr] |
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| 237 | if {[info exists attrvals($a)]} then { |
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| 238 | set r $attrvals($a) |
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| 239 | } else { |
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| 240 | set r {} |
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| 241 | } |
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| 242 | return $r |
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| 243 | } |
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| 244 | |
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| 245 | # Get only the first value for an attribute |
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| 246 | |
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| 247 | method get1 {attr} { |
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| 248 | |
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| 249 | return [lindex [$self get $attr] 0] |
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| 250 | } |
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| 251 | |
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| 252 | |
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| 253 | # Set all values for an attribute |
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| 254 | |
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| 255 | method set {attr vals} { |
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| 256 | |
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| 257 | $self compatible "standard" |
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| 258 | |
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| 259 | set a [string tolower $attr] |
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| 260 | if {[llength $vals]} then { |
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| 261 | set attrvals($a) $vals |
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| 262 | } else { |
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| 263 | unset -nocomplain attrvals($a) |
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| 264 | } |
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| 265 | return $vals |
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| 266 | } |
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| 267 | |
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| 268 | # Set only one value for an attribute |
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| 269 | |
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| 270 | method set1 {attr val} { |
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| 271 | |
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| 272 | if {$val eq ""} then { |
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| 273 | set l {} |
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| 274 | } else { |
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| 275 | set l [list $val] |
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| 276 | } |
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| 277 | |
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| 278 | return [$self set $attr $l] |
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| 279 | } |
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| 280 | |
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| 281 | # Add some values to an attribute |
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| 282 | |
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| 283 | method add {attr vals} { |
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| 284 | |
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| 285 | $self compatible "standard" |
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| 286 | |
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| 287 | set a [string tolower $attr] |
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| 288 | foreach v $vals { |
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| 289 | lappend attrvals($a) $v |
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| 290 | } |
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| 291 | return $attrvals($a) |
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| 292 | } |
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| 293 | |
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| 294 | # Add only one value to an attribute |
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| 295 | |
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| 296 | method add1 {attr val} { |
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| 297 | |
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| 298 | return [$self add $attr [list $val]] |
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| 299 | } |
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| 300 | |
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| 301 | # Delete all values (or some values only) for an attribute |
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| 302 | |
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| 303 | method del {attr {vals {}}} { |
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| 304 | |
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| 305 | $self compatible "standard" |
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| 306 | |
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| 307 | set a [string tolower $attr] |
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| 308 | if {[llength $vals]} then { |
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| 309 | set l [$self get $attr] |
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| 310 | foreach v $vals { |
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| 311 | while {[set pos [lsearch -exact $l $v]] != -1} { |
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| 312 | set l [lreplace $l $pos $pos] |
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| 313 | } |
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| 314 | } |
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| 315 | } else { |
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| 316 | set l {} |
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| 317 | } |
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| 318 | |
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| 319 | if {[llength $l]} then { |
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| 320 | $self set $attr $l |
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| 321 | } else { |
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| 322 | unset -nocomplain attrvals($a) |
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| 323 | } |
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| 324 | return |
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| 325 | } |
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| 326 | |
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| 327 | # Delete only one value from an attribute |
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| 328 | |
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| 329 | method del1 {attr val} { |
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| 330 | |
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| 331 | $self del $attr [list $val] |
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| 332 | } |
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| 333 | |
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| 334 | # Get all attribute names |
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| 335 | |
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| 336 | method getattr {} { |
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| 337 | |
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| 338 | $self compatible "standard" |
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| 339 | |
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| 340 | return [array names attrvals] |
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| 341 | } |
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| 342 | |
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| 343 | # Get all attribute names and values |
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| 344 | |
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| 345 | method getall {} { |
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| 346 | |
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| 347 | $self compatible "standard" |
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| 348 | |
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| 349 | return [array get attrvals] |
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| 350 | } |
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| 351 | |
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| 352 | # Reset all attribute names and values at once |
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| 353 | |
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| 354 | method setall {lst} { |
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| 355 | |
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| 356 | $self compatible "standard" |
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| 357 | |
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| 358 | array unset attrvals |
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| 359 | foreach {attr vals} $lst { |
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| 360 | set a [string tolower $attr] |
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| 361 | set attrvals($a) $vals |
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| 362 | } |
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| 363 | } |
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| 364 | |
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| 365 | # Back up current entry into a new one or into the internal backup state |
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| 366 | |
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| 367 | method backup {{other {}}} { |
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| 368 | |
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| 369 | $self compatible "standard" |
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| 370 | |
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| 371 | if {$other eq ""} then { |
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| 372 | # |
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| 373 | # Back-up entry in $self->$oldav and $self->$dn |
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| 374 | # |
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| 375 | set backup 1 |
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| 376 | set bckdn $dn |
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| 377 | |
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| 378 | array unset bckav |
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| 379 | array set bckav [array get attrvals] |
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| 380 | } else { |
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| 381 | # |
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| 382 | # Back-up entry in $other |
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| 383 | # |
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| 384 | $other compatible "standard" |
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| 385 | $other dn $dn |
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| 386 | $other setall [array get attrvals] |
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| 387 | } |
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| 388 | } |
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| 389 | |
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| 390 | # Restore current entry from an old one or from the internal backup state |
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| 391 | |
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| 392 | method restore {{other {}}} { |
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| 393 | |
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| 394 | $self compatible "standard" |
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| 395 | |
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| 396 | if {$backup} then { |
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| 397 | if {$other eq ""} then { |
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| 398 | # |
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| 399 | # Restore in current context |
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| 400 | # |
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| 401 | set dn $bckdn |
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| 402 | array unset attrvals |
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| 403 | array set attrvals [array get bckav] |
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| 404 | } else { |
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| 405 | # |
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| 406 | # Restore in another object |
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| 407 | # |
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| 408 | $other compatible "standard" |
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| 409 | $other dn $bckdn |
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| 410 | $other setall [array get bckav] |
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| 411 | } |
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| 412 | } else { |
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| 413 | return -code error \ |
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| 414 | "Cannot restore a non backuped object" |
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| 415 | } |
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| 416 | } |
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| 417 | |
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| 418 | # Swap current and backup data, if they reside in the same entry |
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| 419 | |
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| 420 | method swap {} { |
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| 421 | |
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| 422 | $self compatible "standard" |
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| 423 | |
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| 424 | if {$backup} then { |
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| 425 | # |
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| 426 | # Swap current and backup contexts |
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| 427 | # |
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| 428 | set swdn $dn |
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| 429 | set dn $bckdn |
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| 430 | set bckdn $swdn |
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| 431 | |
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| 432 | set swav [array get attrvals] |
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| 433 | array unset attrvals |
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| 434 | array set attrvals [array get bckav] |
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| 435 | array unset bckav |
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| 436 | array set bckav $swav |
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| 437 | } else { |
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| 438 | return -code error \ |
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| 439 | "Cannot swap a non backuped object" |
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| 440 | } |
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| 441 | } |
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| 442 | |
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| 443 | # Apply some modifications (given by a change entry) to current entry |
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| 444 | |
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| 445 | method apply {chg} { |
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| 446 | |
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| 447 | $self compatible "standard" |
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| 448 | $chg compatible "change" |
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| 449 | |
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| 450 | # |
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| 451 | # Apply $chg modifications to $self |
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| 452 | # |
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| 453 | |
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| 454 | foreach mod [$chg change] { |
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| 455 | set op [lindex $mod 0] |
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| 456 | switch -- $op { |
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| 457 | add { |
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| 458 | if {! [$self isempty]} then { |
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| 459 | return -code error \ |
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| 460 | "Cannot add an entry to a non-empty entry" |
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| 461 | } |
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| 462 | $self setall [lindex $mod 1] |
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| 463 | if {[string equal [$self dn] ""]} then { |
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| 464 | $self dn [$chg dn] |
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| 465 | } |
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| 466 | } |
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| 467 | mod { |
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| 468 | foreach submod [lindex $mod 1] { |
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| 469 | set subop [lindex $submod 0] |
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| 470 | set attr [lindex $submod 1] |
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| 471 | set vals [lindex $submod 2] |
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| 472 | switch -- $subop { |
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| 473 | modadd { |
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| 474 | $self add $attr $vals |
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| 475 | } |
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| 476 | moddel { |
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| 477 | $self del $attr $vals |
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| 478 | } |
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| 479 | modrepl { |
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| 480 | $self del $attr |
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| 481 | $self add $attr $vals |
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| 482 | } |
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| 483 | default { |
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| 484 | return -code error \ |
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| 485 | "Invalid submod operation '$subop'" |
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| 486 | } |
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| 487 | } |
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| 488 | } |
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| 489 | } |
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| 490 | del { |
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| 491 | array unset attrvals |
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| 492 | } |
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| 493 | modrdn { |
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| 494 | set newrdn [lindex $mod 1] |
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| 495 | set delold [lindex $mod 2] |
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| 496 | set newsup [lindex $mod 3] |
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| 497 | |
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| 498 | if {! [regexp {^([^=]+)=([^,]+)$} $newrdn m nattr nval]} then { |
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| 499 | return -code "Invalid new RDN '$newrdn'" |
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| 500 | } |
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| 501 | |
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| 502 | set olddn [$self dn] |
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| 503 | if {! [regexp {^([^=]+)=([^,]+),(.*)} $olddn m oattr oval osup]} then { |
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| 504 | return -code "Invalid old DN '$olddn'" |
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| 505 | } |
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| 506 | |
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| 507 | if {$newsup eq ""} then { |
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| 508 | set dn "$newrdn,$osup" |
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| 509 | } else { |
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| 510 | set dn "$newrdn,$newsup" |
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| 511 | } |
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| 512 | $self dn $dn |
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| 513 | |
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| 514 | if {$delold} then { |
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| 515 | $self del1 $oattr $oval |
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| 516 | } |
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| 517 | |
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| 518 | # XXX should we ignore case ? |
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| 519 | if {[lsearch -exact [$self get $nattr] $nval] == -1} then { |
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| 520 | $self add1 $nattr $nval |
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| 521 | } |
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| 522 | } |
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| 523 | default { |
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| 524 | return -code error \ |
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| 525 | "Invalid change operation '$op'" |
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| 526 | } |
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| 527 | } |
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| 528 | } |
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| 529 | } |
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| 530 | |
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| 531 | ######################################################################### |
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| 532 | # Methods for change entries |
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| 533 | ######################################################################### |
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| 534 | |
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| 535 | # Get or set all modifications |
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| 536 | |
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| 537 | method change {{newchg {-}}} { |
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| 538 | |
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| 539 | $self compatible "change" |
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| 540 | |
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| 541 | if {$newchg ne "-"} then { |
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| 542 | set change $newchg |
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| 543 | } |
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| 544 | return $change |
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| 545 | } |
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| 546 | |
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| 547 | # Compute the difference between two entries (or between an entry |
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| 548 | # and the backed-up internal state) into the current change entry |
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| 549 | # e1 : new, e2 : old |
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| 550 | # if e2 is not given, it defaults to backup in e1 |
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| 551 | |
|---|
| 552 | method diff {new {old {}}} { |
|---|
| 553 | |
|---|
| 554 | $self compatible "change" |
|---|
| 555 | |
|---|
| 556 | # |
|---|
| 557 | # Select where backup is. If internal, creates a temporary |
|---|
| 558 | # standard entry. |
|---|
| 559 | # |
|---|
| 560 | |
|---|
| 561 | if {$old eq ""} then { |
|---|
| 562 | set destroy_old 1 |
|---|
| 563 | set old [::ldapx::entry create %AUTO%] |
|---|
| 564 | $new restore $old |
|---|
| 565 | } else { |
|---|
| 566 | set destroy_old 0 |
|---|
| 567 | } |
|---|
| 568 | |
|---|
| 569 | # |
|---|
| 570 | # Computes differences between values in the two entries |
|---|
| 571 | # |
|---|
| 572 | |
|---|
| 573 | if {[$old dn] ne ""} then { |
|---|
| 574 | $self dn [$old dn] |
|---|
| 575 | } elseif {[$new dn] ne ""} then { |
|---|
| 576 | $self dn [$new dn] |
|---|
| 577 | } else { |
|---|
| 578 | $self dn "" |
|---|
| 579 | } |
|---|
| 580 | |
|---|
| 581 | switch -- "[$new isempty][$old isempty]" { |
|---|
| 582 | 00 { |
|---|
| 583 | # They may differ |
|---|
| 584 | set change [DiffEntries $new $old] |
|---|
| 585 | } |
|---|
| 586 | 01 { |
|---|
| 587 | # new has been added |
|---|
| 588 | set change [list [list "add" [$new getall]]] |
|---|
| 589 | } |
|---|
| 590 | 10 { |
|---|
| 591 | # new has been deleted |
|---|
| 592 | set change [list [list "del"]] |
|---|
| 593 | } |
|---|
| 594 | 11 { |
|---|
| 595 | # they are both empty: no change |
|---|
| 596 | set change {} |
|---|
| 597 | } |
|---|
| 598 | } |
|---|
| 599 | |
|---|
| 600 | # |
|---|
| 601 | # Remove temporary standard entry (backup was internal) |
|---|
| 602 | # |
|---|
| 603 | |
|---|
| 604 | if {$destroy_old} then { |
|---|
| 605 | $old destroy |
|---|
| 606 | } |
|---|
| 607 | |
|---|
| 608 | return $change |
|---|
| 609 | } |
|---|
| 610 | |
|---|
| 611 | # local procedure to compute differences between two non empty entries |
|---|
| 612 | |
|---|
| 613 | proc DiffEntries {new old} { |
|---|
| 614 | array set tnew [$new getall] |
|---|
| 615 | array set told [$old getall] |
|---|
| 616 | |
|---|
| 617 | set lmod {} |
|---|
| 618 | |
|---|
| 619 | # |
|---|
| 620 | # First step : is there a DN change? |
|---|
| 621 | # |
|---|
| 622 | |
|---|
| 623 | set moddn [DiffDn [$new dn] [$old dn] tnew told] |
|---|
| 624 | |
|---|
| 625 | # |
|---|
| 626 | # Second step : pick up changes in attributes and/or values |
|---|
| 627 | # |
|---|
| 628 | |
|---|
| 629 | foreach a [array names tnew] { |
|---|
| 630 | if {[info exists told($a)]} then { |
|---|
| 631 | # |
|---|
| 632 | # They are new and old values for this attribute. |
|---|
| 633 | # We cannot use individual delete or add (rfc 4512, |
|---|
| 634 | # paragraph 2.5.1) for attributes which do not have an |
|---|
| 635 | # equality operator, so we use "replace" everywhere. |
|---|
| 636 | # |
|---|
| 637 | |
|---|
| 638 | set lnew [lsort $tnew($a)] |
|---|
| 639 | set lold [lsort $told($a)] |
|---|
| 640 | if {$lold ne $lnew} then { |
|---|
| 641 | lappend lmod [list "modrepl" $a $tnew($a)] |
|---|
| 642 | } |
|---|
| 643 | |
|---|
| 644 | unset tnew($a) |
|---|
| 645 | unset told($a) |
|---|
| 646 | } else { |
|---|
| 647 | lappend lmod [list "modadd" $a $tnew($a)] |
|---|
| 648 | unset tnew($a) |
|---|
| 649 | } |
|---|
| 650 | } |
|---|
| 651 | |
|---|
| 652 | foreach a [array names told] { |
|---|
| 653 | lappend lmod [list "moddel" $a] |
|---|
| 654 | } |
|---|
| 655 | |
|---|
| 656 | set lchg {} |
|---|
| 657 | |
|---|
| 658 | if {[llength $lmod]} then { |
|---|
| 659 | lappend lchg [list "mod" $lmod] |
|---|
| 660 | } |
|---|
| 661 | |
|---|
| 662 | # |
|---|
| 663 | # Third step : insert modDN changes |
|---|
| 664 | # |
|---|
| 665 | |
|---|
| 666 | if {[llength $moddn]} then { |
|---|
| 667 | set newrdn [lindex $moddn 0] |
|---|
| 668 | set deleteoldrdn [lindex $moddn 1] |
|---|
| 669 | set newsuperior [lindex $moddn 2] |
|---|
| 670 | |
|---|
| 671 | set lmod [list "modrdn" $newrdn $deleteoldrdn] |
|---|
| 672 | if {! [string equal $newsuperior ""]} then { |
|---|
| 673 | lappend lmod $newsuperior |
|---|
| 674 | } |
|---|
| 675 | lappend lchg $lmod |
|---|
| 676 | } |
|---|
| 677 | |
|---|
| 678 | return $lchg |
|---|
| 679 | } |
|---|
| 680 | |
|---|
| 681 | proc DiffDn {newdn olddn _tnew _told} { |
|---|
| 682 | upvar $_tnew tnew |
|---|
| 683 | upvar $_told told |
|---|
| 684 | |
|---|
| 685 | # |
|---|
| 686 | # If DNs are the same, exit |
|---|
| 687 | # |
|---|
| 688 | |
|---|
| 689 | if {[string equal -nocase $newdn $olddn]} then { |
|---|
| 690 | return {} |
|---|
| 691 | } |
|---|
| 692 | |
|---|
| 693 | # |
|---|
| 694 | # Split components of both DNs : attribute, value, superior |
|---|
| 695 | # |
|---|
| 696 | |
|---|
| 697 | if {! [regexp {^([^=]+)=([^,]+),(.*)} $olddn m oattr oval osup]} then { |
|---|
| 698 | return -code "Invalid old DN '$olddn'" |
|---|
| 699 | } |
|---|
| 700 | set oattr [string tolower $oattr] |
|---|
| 701 | set ordn "$oattr=$oval" |
|---|
| 702 | |
|---|
| 703 | if {! [regexp {^([^=]+)=([^,]+),(.*)} $newdn m nattr nval nsup]} then { |
|---|
| 704 | return -code "Invalid new DN '$newdn'" |
|---|
| 705 | } |
|---|
| 706 | set nattr [string tolower $nattr] |
|---|
| 707 | set nrdn "$nattr=$nval" |
|---|
| 708 | |
|---|
| 709 | # |
|---|
| 710 | # Checks if superior has changed |
|---|
| 711 | # |
|---|
| 712 | |
|---|
| 713 | if {! [string equal -nocase $osup $nsup]} then { |
|---|
| 714 | set newsuperior $nsup |
|---|
| 715 | } else { |
|---|
| 716 | set newsuperior "" |
|---|
| 717 | } |
|---|
| 718 | |
|---|
| 719 | # |
|---|
| 720 | # Checks if rdn has changed |
|---|
| 721 | # |
|---|
| 722 | |
|---|
| 723 | if {! [string equal -nocase $ordn $nrdn]} then { |
|---|
| 724 | # |
|---|
| 725 | # Checks if old rdn must be deleted |
|---|
| 726 | # |
|---|
| 727 | |
|---|
| 728 | set deleteoldrdn 1 |
|---|
| 729 | if {[info exists tnew($oattr)]} then { |
|---|
| 730 | set pos [lsearch -exact [string tolower $tnew($oattr)] \ |
|---|
| 731 | [string tolower $oval]] |
|---|
| 732 | if {$pos != -1} then { |
|---|
| 733 | set deleteoldrdn 0 |
|---|
| 734 | } |
|---|
| 735 | } |
|---|
| 736 | |
|---|
| 737 | # |
|---|
| 738 | # Remove old and new rdn such as DiffEntries doesn't |
|---|
| 739 | # detect any modification. |
|---|
| 740 | # |
|---|
| 741 | |
|---|
| 742 | foreach t {tnew told} { |
|---|
| 743 | foreach {a v} [list $oattr $oval $nattr $nval] { |
|---|
| 744 | if {[info exists ${t}($a)]} then { |
|---|
| 745 | set l [set ${t}($a)] |
|---|
| 746 | set pos [lsearch -exact [string tolower $l] \ |
|---|
| 747 | [string tolower $v] ] |
|---|
| 748 | if {$pos != -1} then { |
|---|
| 749 | set l [lreplace $l $pos $pos] |
|---|
| 750 | if {[llength $l]} then { |
|---|
| 751 | set ${t}($a) $l |
|---|
| 752 | } else { |
|---|
| 753 | unset -nocomplain ${t}($a) |
|---|
| 754 | } |
|---|
| 755 | } |
|---|
| 756 | } |
|---|
| 757 | } |
|---|
| 758 | } |
|---|
| 759 | } else { |
|---|
| 760 | set deleteoldrdn 0 |
|---|
| 761 | } |
|---|
| 762 | |
|---|
| 763 | return [list $nrdn $deleteoldrdn $newsuperior] |
|---|
| 764 | } |
|---|
| 765 | |
|---|
| 766 | |
|---|
| 767 | ######################################################################### |
|---|
| 768 | # End of ldapentry |
|---|
| 769 | ######################################################################### |
|---|
| 770 | } |
|---|
| 771 | |
|---|
| 772 | ############################################################################## |
|---|
| 773 | # UTF8 translator, component used to manage the -utf8 option |
|---|
| 774 | ############################################################################## |
|---|
| 775 | |
|---|
| 776 | snit::type ::ldapx::utf8trans { |
|---|
| 777 | |
|---|
| 778 | ######################################################################### |
|---|
| 779 | # Option |
|---|
| 780 | ######################################################################### |
|---|
| 781 | |
|---|
| 782 | option -utf8 -default {{.*} {}} |
|---|
| 783 | |
|---|
| 784 | ######################################################################### |
|---|
| 785 | # Methods |
|---|
| 786 | ######################################################################### |
|---|
| 787 | |
|---|
| 788 | method must {attr} { |
|---|
| 789 | set utf8yes [lindex $options(-utf8) 0] |
|---|
| 790 | set utf8no [lindex $options(-utf8) 1] |
|---|
| 791 | set r 0 |
|---|
| 792 | if {[regexp -expanded -nocase "^$utf8yes$" $attr]} then { |
|---|
| 793 | set r 1 |
|---|
| 794 | if {[regexp -expanded -nocase "^$utf8no$" $attr]} then { |
|---|
| 795 | set r 0 |
|---|
| 796 | } |
|---|
| 797 | } |
|---|
| 798 | return $r |
|---|
| 799 | } |
|---|
| 800 | |
|---|
| 801 | method encode {attr val} { |
|---|
| 802 | if {[$self must $attr]} then { |
|---|
| 803 | set val [encoding convertto utf-8 $val] |
|---|
| 804 | } |
|---|
| 805 | return $val |
|---|
| 806 | } |
|---|
| 807 | |
|---|
| 808 | method decode {attr val} { |
|---|
| 809 | if {[$self must $attr]} then { |
|---|
| 810 | set val [encoding convertfrom utf-8 $val] |
|---|
| 811 | } |
|---|
| 812 | return $val |
|---|
| 813 | } |
|---|
| 814 | |
|---|
| 815 | method encodepairs {avpairs} { |
|---|
| 816 | set r {} |
|---|
| 817 | foreach {attr vals} $avpairs { |
|---|
| 818 | if {[llength $vals]} then { |
|---|
| 819 | lappend r $attr [$self encode $attr $vals] |
|---|
| 820 | } else { |
|---|
| 821 | lappend r $attr |
|---|
| 822 | } |
|---|
| 823 | } |
|---|
| 824 | return $r |
|---|
| 825 | } |
|---|
| 826 | |
|---|
| 827 | method decodepairs {avpairs} { |
|---|
| 828 | set r {} |
|---|
| 829 | foreach {attr vals} $avpairs { |
|---|
| 830 | set vals [$self decode $attr $vals] |
|---|
| 831 | lappend r $attr $vals |
|---|
| 832 | } |
|---|
| 833 | return $r |
|---|
| 834 | } |
|---|
| 835 | } |
|---|
| 836 | |
|---|
| 837 | ############################################################################## |
|---|
| 838 | # LDAP object type |
|---|
| 839 | ############################################################################## |
|---|
| 840 | |
|---|
| 841 | snit::type ::ldapx::ldap { |
|---|
| 842 | ######################################################################### |
|---|
| 843 | # Options |
|---|
| 844 | # |
|---|
| 845 | # note : options are lowercase |
|---|
| 846 | ######################################################################### |
|---|
| 847 | |
|---|
| 848 | option -scope -default "sub" |
|---|
| 849 | option -derefaliases -default "never" |
|---|
| 850 | option -sizelimit -default 0 |
|---|
| 851 | option -timelimit -default 0 |
|---|
| 852 | option -attrsonly -default 0 |
|---|
| 853 | |
|---|
| 854 | component translator |
|---|
| 855 | delegate option -utf8 to translator |
|---|
| 856 | |
|---|
| 857 | # |
|---|
| 858 | # Channel descriptor |
|---|
| 859 | # |
|---|
| 860 | |
|---|
| 861 | variable channel "" |
|---|
| 862 | variable bind 0 |
|---|
| 863 | |
|---|
| 864 | # |
|---|
| 865 | # Last error |
|---|
| 866 | # |
|---|
| 867 | |
|---|
| 868 | variable lastError "" |
|---|
| 869 | |
|---|
| 870 | # |
|---|
| 871 | # Defaults connection modes |
|---|
| 872 | # |
|---|
| 873 | |
|---|
| 874 | variable connect_defaults -array { |
|---|
| 875 | ldap {389 ::ldap::connect} |
|---|
| 876 | ldaps {636 ::ldap::secure_connect} |
|---|
| 877 | } |
|---|
| 878 | |
|---|
| 879 | |
|---|
| 880 | ######################################################################### |
|---|
| 881 | # Constructor |
|---|
| 882 | ######################################################################### |
|---|
| 883 | |
|---|
| 884 | constructor {args} { |
|---|
| 885 | install translator using ::ldapx::utf8trans create %AUTO% |
|---|
| 886 | $self configurelist $args |
|---|
| 887 | } |
|---|
| 888 | |
|---|
| 889 | destructor { |
|---|
| 890 | catch {$translator destroy} |
|---|
| 891 | } |
|---|
| 892 | |
|---|
| 893 | ######################################################################### |
|---|
| 894 | # Methods |
|---|
| 895 | ######################################################################### |
|---|
| 896 | |
|---|
| 897 | # Get or set the last error message |
|---|
| 898 | |
|---|
| 899 | method error {{le {-}}} { |
|---|
| 900 | |
|---|
| 901 | if {! [string equal $le "-"]} then { |
|---|
| 902 | set lastError $le |
|---|
| 903 | } |
|---|
| 904 | return $lastError |
|---|
| 905 | } |
|---|
| 906 | |
|---|
| 907 | # Connect to the LDAP directory, and binds to it if needed |
|---|
| 908 | |
|---|
| 909 | method connect {url {binddn {}} {bindpw {}}} { |
|---|
| 910 | |
|---|
| 911 | array set comp [::uri::split $url "ldap"] |
|---|
| 912 | |
|---|
| 913 | if {! [::info exists comp(host)]} then { |
|---|
| 914 | $self error "Invalid host in URL '$url'" |
|---|
| 915 | return 0 |
|---|
| 916 | } |
|---|
| 917 | |
|---|
| 918 | set scheme $comp(scheme) |
|---|
| 919 | if {! [::info exists connect_defaults($scheme)]} then { |
|---|
| 920 | $self error "Unrecognized URL '$url'" |
|---|
| 921 | return 0 |
|---|
| 922 | } |
|---|
| 923 | |
|---|
| 924 | set defport [lindex $connect_defaults($scheme) 0] |
|---|
| 925 | set fct [lindex $connect_defaults($scheme) 1] |
|---|
| 926 | |
|---|
| 927 | if {[string equal $comp(port) ""]} then { |
|---|
| 928 | set comp(port) $defport |
|---|
| 929 | } |
|---|
| 930 | |
|---|
| 931 | if {[Check $selfns {set channel [$fct $comp(host) $comp(port)]}]} then { |
|---|
| 932 | return 0 |
|---|
| 933 | } |
|---|
| 934 | |
|---|
| 935 | if {$binddn eq ""} then { |
|---|
| 936 | set bind 0 |
|---|
| 937 | } else { |
|---|
| 938 | set bind 1 |
|---|
| 939 | if {[Check $selfns {::ldap::bind $channel $binddn $bindpw}]} then { |
|---|
| 940 | return 0 |
|---|
| 941 | } |
|---|
| 942 | } |
|---|
| 943 | return 1 |
|---|
| 944 | } |
|---|
| 945 | |
|---|
| 946 | # Disconnect from the LDAP directory |
|---|
| 947 | |
|---|
| 948 | method disconnect {} { |
|---|
| 949 | |
|---|
| 950 | Connected $selfns |
|---|
| 951 | |
|---|
| 952 | if {$bind} { |
|---|
| 953 | if {[Check $selfns {::ldap::unbind $channel}]} then { |
|---|
| 954 | return 0 |
|---|
| 955 | } |
|---|
| 956 | } |
|---|
| 957 | if {[Check $selfns {::ldap::disconnect $channel}]} then { |
|---|
| 958 | return 0 |
|---|
| 959 | } |
|---|
| 960 | set channel "" |
|---|
| 961 | return 1 |
|---|
| 962 | } |
|---|
| 963 | |
|---|
| 964 | # New control structure : traverse the DIT and execute the body |
|---|
| 965 | # for each found entry. |
|---|
| 966 | |
|---|
| 967 | method traverse {base filter attrs entry body} { |
|---|
| 968 | |
|---|
| 969 | Connected $selfns |
|---|
| 970 | |
|---|
| 971 | global errorInfo errorCode |
|---|
| 972 | |
|---|
| 973 | set lastError "" |
|---|
| 974 | |
|---|
| 975 | # |
|---|
| 976 | # Initiate search |
|---|
| 977 | # |
|---|
| 978 | |
|---|
| 979 | set opt [list \ |
|---|
| 980 | -scope $options(-scope) \ |
|---|
| 981 | -derefaliases $options(-derefaliases) \ |
|---|
| 982 | -sizelimit $options(-sizelimit) \ |
|---|
| 983 | -timelimit $options(-timelimit) \ |
|---|
| 984 | -attrsonly $options(-attrsonly) \ |
|---|
| 985 | ] |
|---|
| 986 | |
|---|
| 987 | ::ldap::searchInit $channel $base $filter $attrs $opt |
|---|
| 988 | |
|---|
| 989 | # |
|---|
| 990 | # Execute the specific body for each result found |
|---|
| 991 | # |
|---|
| 992 | |
|---|
| 993 | while {1} { |
|---|
| 994 | # |
|---|
| 995 | # The first call to searchNext may fail when searchInit |
|---|
| 996 | # is given some invalid parameters. |
|---|
| 997 | # We must terminate the current search in order to allow |
|---|
| 998 | # future searches. |
|---|
| 999 | # |
|---|
| 1000 | |
|---|
| 1001 | set err [catch {::ldap::searchNext $channel} r] |
|---|
| 1002 | |
|---|
| 1003 | if {$err} then { |
|---|
| 1004 | set ei $errorInfo |
|---|
| 1005 | set ec $errorCode |
|---|
| 1006 | ::ldap::searchEnd $channel |
|---|
| 1007 | return -code error -errorinfo $ei -errorcode $ec $r |
|---|
| 1008 | } |
|---|
| 1009 | |
|---|
| 1010 | # |
|---|
| 1011 | # End of result messages |
|---|
| 1012 | # |
|---|
| 1013 | |
|---|
| 1014 | if {[llength $r] == 0} then { |
|---|
| 1015 | break |
|---|
| 1016 | } |
|---|
| 1017 | |
|---|
| 1018 | # |
|---|
| 1019 | # Set DN and attributes-values (converted from utf8 if needed) |
|---|
| 1020 | # for the entry |
|---|
| 1021 | # |
|---|
| 1022 | |
|---|
| 1023 | $entry reset |
|---|
| 1024 | |
|---|
| 1025 | $entry dn [lindex $r 0] |
|---|
| 1026 | $entry setall [$translator decodepairs [lindex $r 1]] |
|---|
| 1027 | |
|---|
| 1028 | # |
|---|
| 1029 | # Execute body with the entry |
|---|
| 1030 | # |
|---|
| 1031 | # http://wiki.tcl.tk/685 |
|---|
| 1032 | # |
|---|
| 1033 | |
|---|
| 1034 | set code [catch {uplevel 1 $body} msg] |
|---|
| 1035 | switch -- $code { |
|---|
| 1036 | 0 { |
|---|
| 1037 | # ok |
|---|
| 1038 | } |
|---|
| 1039 | 1 { |
|---|
| 1040 | # error |
|---|
| 1041 | set ei $errorInfo |
|---|
| 1042 | set ec $errorCode |
|---|
| 1043 | ::ldap::searchEnd $channel |
|---|
| 1044 | return -code error -errorinfo $ei -errorcode $ec $msg |
|---|
| 1045 | } |
|---|
| 1046 | 2 { |
|---|
| 1047 | # return |
|---|
| 1048 | ::ldap::searchEnd $channel |
|---|
| 1049 | return -code return $msg |
|---|
| 1050 | } |
|---|
| 1051 | 3 { |
|---|
| 1052 | # break |
|---|
| 1053 | ::ldap::searchEnd $channel |
|---|
| 1054 | return {} |
|---|
| 1055 | } |
|---|
| 1056 | 4 { |
|---|
| 1057 | # continue |
|---|
| 1058 | } |
|---|
| 1059 | default { |
|---|
| 1060 | # user defined |
|---|
| 1061 | ::ldap::searchEnd $channel |
|---|
| 1062 | return -code $code $msg |
|---|
| 1063 | } |
|---|
| 1064 | } |
|---|
| 1065 | } |
|---|
| 1066 | |
|---|
| 1067 | # |
|---|
| 1068 | # Terminate search |
|---|
| 1069 | # |
|---|
| 1070 | |
|---|
| 1071 | ::ldap::searchEnd $channel |
|---|
| 1072 | } |
|---|
| 1073 | |
|---|
| 1074 | # Returns a list of newly created objects which match |
|---|
| 1075 | |
|---|
| 1076 | method search {base filter attrs} { |
|---|
| 1077 | |
|---|
| 1078 | Connected $selfns |
|---|
| 1079 | |
|---|
| 1080 | set e [::ldapx::entry create %AUTO%] |
|---|
| 1081 | set r {} |
|---|
| 1082 | $self traverse $base $filter $attrs $e { |
|---|
| 1083 | set new [::ldapx::entry create %AUTO%] |
|---|
| 1084 | $e backup $new |
|---|
| 1085 | lappend r $new |
|---|
| 1086 | } |
|---|
| 1087 | $e destroy |
|---|
| 1088 | return $r |
|---|
| 1089 | } |
|---|
| 1090 | |
|---|
| 1091 | # Read one or more entries, and returns the number of entries found. |
|---|
| 1092 | # Useful to easily read one or more entries. |
|---|
| 1093 | |
|---|
| 1094 | method read {base filter args} { |
|---|
| 1095 | |
|---|
| 1096 | set n 0 |
|---|
| 1097 | set max [llength $args] |
|---|
| 1098 | set e [::ldapx::entry create %AUTO%] |
|---|
| 1099 | $self traverse $base $filter {} $e { |
|---|
| 1100 | if {$n < $max} then { |
|---|
| 1101 | $e backup [lindex $args $n] |
|---|
| 1102 | } |
|---|
| 1103 | incr n |
|---|
| 1104 | } |
|---|
| 1105 | return $n |
|---|
| 1106 | } |
|---|
| 1107 | |
|---|
| 1108 | # Commit a list of changes (or standard, backuped entries) |
|---|
| 1109 | |
|---|
| 1110 | method commit {args} { |
|---|
| 1111 | |
|---|
| 1112 | Connected $selfns |
|---|
| 1113 | |
|---|
| 1114 | foreach entry $args { |
|---|
| 1115 | switch -- [$entry format] { |
|---|
| 1116 | uninitialized { |
|---|
| 1117 | return -code error \ |
|---|
| 1118 | "Uninitialized entry" |
|---|
| 1119 | } |
|---|
| 1120 | standard { |
|---|
| 1121 | set echg [::ldapx::entry create %AUTO%] |
|---|
| 1122 | set lchg [$echg diff $entry] |
|---|
| 1123 | set dn [$echg dn] |
|---|
| 1124 | $echg destroy |
|---|
| 1125 | } |
|---|
| 1126 | change { |
|---|
| 1127 | set dn [$entry dn] |
|---|
| 1128 | set lchg [$entry change] |
|---|
| 1129 | } |
|---|
| 1130 | } |
|---|
| 1131 | |
|---|
| 1132 | foreach chg $lchg { |
|---|
| 1133 | set op [lindex $chg 0] |
|---|
| 1134 | |
|---|
| 1135 | switch -- $op { |
|---|
| 1136 | {} { |
|---|
| 1137 | # nothing to do |
|---|
| 1138 | } |
|---|
| 1139 | add { |
|---|
| 1140 | set av [$translator encodepairs [lindex $chg 1]] |
|---|
| 1141 | if {[Check $selfns {::ldap::addMulti $channel $dn $av}]} then { |
|---|
| 1142 | return 0 |
|---|
| 1143 | } |
|---|
| 1144 | } |
|---|
| 1145 | del { |
|---|
| 1146 | if {[Check $selfns {::ldap::delete $channel $dn}]} then { |
|---|
| 1147 | return 0 |
|---|
| 1148 | } |
|---|
| 1149 | } |
|---|
| 1150 | mod { |
|---|
| 1151 | set lrep {} |
|---|
| 1152 | set ldel {} |
|---|
| 1153 | set ladd {} |
|---|
| 1154 | |
|---|
| 1155 | foreach submod [lindex $chg 1] { |
|---|
| 1156 | set subop [lindex $submod 0] |
|---|
| 1157 | set attr [lindex $submod 1] |
|---|
| 1158 | set vals [lindex $submod 2] |
|---|
| 1159 | |
|---|
| 1160 | set vals [$translator encode $attr $vals] |
|---|
| 1161 | switch -- $subop { |
|---|
| 1162 | modadd { |
|---|
| 1163 | lappend ladd $attr $vals |
|---|
| 1164 | } |
|---|
| 1165 | moddel { |
|---|
| 1166 | lappend ldel $attr $vals |
|---|
| 1167 | } |
|---|
| 1168 | modrepl { |
|---|
| 1169 | lappend lrep $attr $vals |
|---|
| 1170 | } |
|---|
| 1171 | } |
|---|
| 1172 | } |
|---|
| 1173 | |
|---|
| 1174 | if {[Check $selfns {::ldap::modifyMulti $channel $dn \ |
|---|
| 1175 | $lrep $ldel $ladd}]} then { |
|---|
| 1176 | return 0 |
|---|
| 1177 | } |
|---|
| 1178 | } |
|---|
| 1179 | modrdn { |
|---|
| 1180 | set newrdn [lindex $chg 1] |
|---|
| 1181 | set delOld [lindex $chg 2] |
|---|
| 1182 | set newSup [lindex $chg 3] |
|---|
| 1183 | if {[string equal $newSup ""]} then { |
|---|
| 1184 | if {[Check $selfns {::ldap::modifyDN $channel $dn \ |
|---|
| 1185 | $newrdn $delOld}]} then { |
|---|
| 1186 | return 0 |
|---|
| 1187 | } |
|---|
| 1188 | } else { |
|---|
| 1189 | if {[Check $selfns {::ldap::modifyDN $channel $dn \ |
|---|
| 1190 | $newrdn $delOld $newSup}]} then { |
|---|
| 1191 | return 0 |
|---|
| 1192 | } |
|---|
| 1193 | } |
|---|
| 1194 | } |
|---|
| 1195 | } |
|---|
| 1196 | } |
|---|
| 1197 | } |
|---|
| 1198 | |
|---|
| 1199 | return 1 |
|---|
| 1200 | } |
|---|
| 1201 | |
|---|
| 1202 | ######################################################################### |
|---|
| 1203 | # Local procedures |
|---|
| 1204 | ######################################################################### |
|---|
| 1205 | |
|---|
| 1206 | proc Connected {selfns} { |
|---|
| 1207 | if {$channel eq ""} then { |
|---|
| 1208 | return -code error \ |
|---|
| 1209 | "Object not connected" |
|---|
| 1210 | } |
|---|
| 1211 | } |
|---|
| 1212 | |
|---|
| 1213 | proc Check {selfns script} { |
|---|
| 1214 | return [catch {uplevel 1 $script} lastError] |
|---|
| 1215 | } |
|---|
| 1216 | |
|---|
| 1217 | ######################################################################### |
|---|
| 1218 | # End of LDAP object type |
|---|
| 1219 | ######################################################################### |
|---|
| 1220 | } |
|---|
| 1221 | |
|---|
| 1222 | ############################################################################## |
|---|
| 1223 | # LDIF object type |
|---|
| 1224 | ############################################################################## |
|---|
| 1225 | |
|---|
| 1226 | snit::type ::ldapx::ldif { |
|---|
| 1227 | |
|---|
| 1228 | ######################################################################### |
|---|
| 1229 | # Options |
|---|
| 1230 | ######################################################################### |
|---|
| 1231 | |
|---|
| 1232 | # |
|---|
| 1233 | # Fields to ignore when reading change file |
|---|
| 1234 | # |
|---|
| 1235 | |
|---|
| 1236 | option -ignore {} |
|---|
| 1237 | |
|---|
| 1238 | component translator |
|---|
| 1239 | delegate option -utf8 to translator |
|---|
| 1240 | |
|---|
| 1241 | |
|---|
| 1242 | ######################################################################### |
|---|
| 1243 | # Variables |
|---|
| 1244 | ######################################################################### |
|---|
| 1245 | |
|---|
| 1246 | # |
|---|
| 1247 | # Version of LDIF file (0 means : uninitialized) |
|---|
| 1248 | # |
|---|
| 1249 | |
|---|
| 1250 | variable version 0 |
|---|
| 1251 | |
|---|
| 1252 | # |
|---|
| 1253 | # Channel descriptor |
|---|
| 1254 | # |
|---|
| 1255 | |
|---|
| 1256 | variable channel "" |
|---|
| 1257 | |
|---|
| 1258 | # |
|---|
| 1259 | # Line number |
|---|
| 1260 | # |
|---|
| 1261 | |
|---|
| 1262 | variable lineno 0 |
|---|
| 1263 | |
|---|
| 1264 | # |
|---|
| 1265 | # Last error message |
|---|
| 1266 | # |
|---|
| 1267 | |
|---|
| 1268 | variable lastError "" |
|---|
| 1269 | |
|---|
| 1270 | # |
|---|
| 1271 | # Number of entries read or written |
|---|
| 1272 | # |
|---|
| 1273 | |
|---|
| 1274 | variable nentries 0 |
|---|
| 1275 | |
|---|
| 1276 | # |
|---|
| 1277 | # Type of LDIF file |
|---|
| 1278 | # |
|---|
| 1279 | |
|---|
| 1280 | variable format "uninitialized" |
|---|
| 1281 | |
|---|
| 1282 | ######################################################################### |
|---|
| 1283 | # Constructor |
|---|
| 1284 | ######################################################################### |
|---|
| 1285 | |
|---|
| 1286 | constructor {args} { |
|---|
| 1287 | install translator using ::ldapx::utf8trans create %AUTO% |
|---|
| 1288 | $self configurelist $args |
|---|
| 1289 | } |
|---|
| 1290 | |
|---|
| 1291 | destructor { |
|---|
| 1292 | catch {$translator destroy} |
|---|
| 1293 | } |
|---|
| 1294 | |
|---|
| 1295 | ######################################################################### |
|---|
| 1296 | # Methods |
|---|
| 1297 | ######################################################################### |
|---|
| 1298 | |
|---|
| 1299 | # Initialize a channel |
|---|
| 1300 | |
|---|
| 1301 | method channel {newchan} { |
|---|
| 1302 | |
|---|
| 1303 | set channel $newchan |
|---|
| 1304 | set version 0 |
|---|
| 1305 | set nentries 0 |
|---|
| 1306 | set format "uninitialized" |
|---|
| 1307 | set lineno 0 |
|---|
| 1308 | return |
|---|
| 1309 | } |
|---|
| 1310 | |
|---|
| 1311 | # Get or set the last error message |
|---|
| 1312 | |
|---|
| 1313 | method error {{le {-}}} { |
|---|
| 1314 | |
|---|
| 1315 | if {$le ne "-"} then { |
|---|
| 1316 | set lastError $le |
|---|
| 1317 | } |
|---|
| 1318 | return $lastError |
|---|
| 1319 | } |
|---|
| 1320 | |
|---|
| 1321 | # An LDIF file cannot include both changes and standard entries |
|---|
| 1322 | # (see RFC 2849, page 2). Check this. |
|---|
| 1323 | |
|---|
| 1324 | method compatible {ref} { |
|---|
| 1325 | |
|---|
| 1326 | if {$format eq "uninitialized"} then { |
|---|
| 1327 | set format $ref |
|---|
| 1328 | } elseif {$format ne $ref} then { |
|---|
| 1329 | return -code error \ |
|---|
| 1330 | "Invalid entry ($ref) type for LDIF $format file" |
|---|
| 1331 | } |
|---|
| 1332 | } |
|---|
| 1333 | |
|---|
| 1334 | # Reads an LDIF entry (standard or change) from the channel |
|---|
| 1335 | # returns 1 if ok, 0 if error or EOF |
|---|
| 1336 | |
|---|
| 1337 | # XXX this method is just coded for tests at this time |
|---|
| 1338 | |
|---|
| 1339 | method debugread {entry} { |
|---|
| 1340 | |
|---|
| 1341 | $entry compatible "standard" |
|---|
| 1342 | $entry dn "uid=joe,ou=org,o=com" |
|---|
| 1343 | $entry setall {uid {joe} sn {User} givenName {Joe} cn {{Joe User}} |
|---|
| 1344 | telephoneNumber {+31415926535 +27182818285} objectClass {person} |
|---|
| 1345 | } |
|---|
| 1346 | return 1 |
|---|
| 1347 | } |
|---|
| 1348 | |
|---|
| 1349 | # Read an LDIF entry (standard or change) from the channel |
|---|
| 1350 | # returns 1 if ok, 0 if error or EOF |
|---|
| 1351 | |
|---|
| 1352 | method read {entry} { |
|---|
| 1353 | if {$channel eq ""} then { |
|---|
| 1354 | return -code error \ |
|---|
| 1355 | "Channel not initialized" |
|---|
| 1356 | } |
|---|
| 1357 | |
|---|
| 1358 | set r [Lexical $selfns] |
|---|
| 1359 | if {[lindex $r 0] ne "err"} then { |
|---|
| 1360 | set r [Syntaxic $selfns [lindex $r 1]] |
|---|
| 1361 | } |
|---|
| 1362 | |
|---|
| 1363 | if {[lindex $r 0] eq "err"} then { |
|---|
| 1364 | set lastError [lindex $r 1] |
|---|
| 1365 | return 0 |
|---|
| 1366 | } |
|---|
| 1367 | |
|---|
| 1368 | switch -- [lindex $r 0] { |
|---|
| 1369 | uninitialized { |
|---|
| 1370 | $entry reset |
|---|
| 1371 | set lastError "" |
|---|
| 1372 | set r 0 |
|---|
| 1373 | } |
|---|
| 1374 | standard { |
|---|
| 1375 | if {[catch {$self compatible "change"}]} then { |
|---|
| 1376 | set lastError "Standard entry not allowed in LDIF change file" |
|---|
| 1377 | set r 0 |
|---|
| 1378 | } else { |
|---|
| 1379 | $entry reset |
|---|
| 1380 | $entry dn [lindex $r 1] |
|---|
| 1381 | $entry setall [lindex $r 2] |
|---|
| 1382 | set r 1 |
|---|
| 1383 | } |
|---|
| 1384 | } |
|---|
| 1385 | change { |
|---|
| 1386 | if {[catch {$self compatible "change"}]} then { |
|---|
| 1387 | set lastError "Change entry not allowed in LDIF standard file" |
|---|
| 1388 | set r 0 |
|---|
| 1389 | } else { |
|---|
| 1390 | $entry reset |
|---|
| 1391 | $entry dn [lindex $r 1] |
|---|
| 1392 | $entry change [list [lindex $r 2]] |
|---|
| 1393 | set r 1 |
|---|
| 1394 | } |
|---|
| 1395 | } |
|---|
| 1396 | default { |
|---|
| 1397 | return -code error \ |
|---|
| 1398 | "Internal error (invalid returned entry format)" |
|---|
| 1399 | } |
|---|
| 1400 | } |
|---|
| 1401 | |
|---|
| 1402 | return $r |
|---|
| 1403 | } |
|---|
| 1404 | |
|---|
| 1405 | # Write an LDIF entry to the channel |
|---|
| 1406 | |
|---|
| 1407 | method write {entry} { |
|---|
| 1408 | |
|---|
| 1409 | if {$channel eq ""} then { |
|---|
| 1410 | return -code error \ |
|---|
| 1411 | "Channel not initialized" |
|---|
| 1412 | } |
|---|
| 1413 | |
|---|
| 1414 | switch -- [$entry format] { |
|---|
| 1415 | uninitialized { |
|---|
| 1416 | # nothing |
|---|
| 1417 | } |
|---|
| 1418 | standard { |
|---|
| 1419 | if {[llength [$entry getall]]} then { |
|---|
| 1420 | $self compatible "standard" |
|---|
| 1421 | |
|---|
| 1422 | if {$nentries == 0} then { |
|---|
| 1423 | if {$version == 0} then { |
|---|
| 1424 | set version 1 |
|---|
| 1425 | } |
|---|
| 1426 | WriteLine $selfns "version" "$version" |
|---|
| 1427 | puts $channel "" |
|---|
| 1428 | } |
|---|
| 1429 | |
|---|
| 1430 | WriteLine $selfns "dn" [$entry dn] |
|---|
| 1431 | |
|---|
| 1432 | foreach a [$entry getattr] { |
|---|
| 1433 | foreach v [$entry get $a] { |
|---|
| 1434 | WriteLine $selfns $a $v |
|---|
| 1435 | } |
|---|
| 1436 | } |
|---|
| 1437 | puts $channel "" |
|---|
| 1438 | } |
|---|
| 1439 | } |
|---|
| 1440 | change { |
|---|
| 1441 | $self compatible "change" |
|---|
| 1442 | |
|---|
| 1443 | set lchg [$entry change] |
|---|
| 1444 | foreach chg $lchg { |
|---|
| 1445 | if {$nentries == 0} then { |
|---|
| 1446 | if {$version == 0} then { |
|---|
| 1447 | set version 1 |
|---|
| 1448 | } |
|---|
| 1449 | WriteLine $selfns "version" "$version" |
|---|
| 1450 | puts $channel "" |
|---|
| 1451 | } |
|---|
| 1452 | |
|---|
| 1453 | WriteLine $selfns "dn" [$entry dn] |
|---|
| 1454 | |
|---|
| 1455 | set op [lindex $chg 0] |
|---|
| 1456 | switch -- $op { |
|---|
| 1457 | add { |
|---|
| 1458 | WriteLine $selfns "changetype" "add" |
|---|
| 1459 | foreach {attr vals} [lindex $chg 1] { |
|---|
| 1460 | foreach v $vals { |
|---|
| 1461 | WriteLine $selfns $attr $v |
|---|
| 1462 | } |
|---|
| 1463 | } |
|---|
| 1464 | } |
|---|
| 1465 | del { |
|---|
| 1466 | WriteLine $selfns "changetype" "delete" |
|---|
| 1467 | } |
|---|
| 1468 | mod { |
|---|
| 1469 | WriteLine $selfns "changetype" "modify" |
|---|
| 1470 | foreach submod [lindex $chg 1] { |
|---|
| 1471 | set subop [lindex $submod 0] |
|---|
| 1472 | set attr [lindex $submod 1] |
|---|
| 1473 | set vals [lindex $submod 2] |
|---|
| 1474 | |
|---|
| 1475 | switch -- $subop { |
|---|
| 1476 | modadd { |
|---|
| 1477 | WriteLine $selfns "add" $attr |
|---|
| 1478 | } |
|---|
| 1479 | moddel { |
|---|
| 1480 | WriteLine $selfns "delete" $attr |
|---|
| 1481 | } |
|---|
| 1482 | modrepl { |
|---|
| 1483 | WriteLine $selfns "replace" $attr |
|---|
| 1484 | } |
|---|
| 1485 | } |
|---|
| 1486 | foreach v $vals { |
|---|
| 1487 | WriteLine $selfns $attr $v |
|---|
| 1488 | } |
|---|
| 1489 | puts $channel "-" |
|---|
| 1490 | } |
|---|
| 1491 | } |
|---|
| 1492 | modrdn { |
|---|
| 1493 | WriteLine $selfns "changetype" "modrdn" |
|---|
| 1494 | set newrdn [lindex $chg 1] |
|---|
| 1495 | set delold [lindex $chg 2] |
|---|
| 1496 | set newsup [lindex $chg 3] |
|---|
| 1497 | WriteLine $selfns "newrdn" $newrdn |
|---|
| 1498 | WriteLine $selfns "deleteOldRDN" $delold |
|---|
| 1499 | if {$newsup ne ""} then { |
|---|
| 1500 | WriteLine $selfns "newSuperior" $newsup |
|---|
| 1501 | } |
|---|
| 1502 | } |
|---|
| 1503 | } |
|---|
| 1504 | puts $channel "" |
|---|
| 1505 | incr nentries |
|---|
| 1506 | } |
|---|
| 1507 | } |
|---|
| 1508 | default { |
|---|
| 1509 | return -code error \ |
|---|
| 1510 | "Invalid entry format" |
|---|
| 1511 | } |
|---|
| 1512 | } |
|---|
| 1513 | return 1 |
|---|
| 1514 | } |
|---|
| 1515 | |
|---|
| 1516 | ######################################################################### |
|---|
| 1517 | # Local procedures to read an entry |
|---|
| 1518 | ######################################################################### |
|---|
| 1519 | |
|---|
| 1520 | # |
|---|
| 1521 | # Lexical analysis of an entry |
|---|
| 1522 | # Special case for "version:" entry. |
|---|
| 1523 | # Returns a list of lines {ok {{<attr1> <val1>} {<attr2> <val2>} ...}} |
|---|
| 1524 | # or a list {err <message>} |
|---|
| 1525 | # |
|---|
| 1526 | |
|---|
| 1527 | proc Lexical {selfns} { |
|---|
| 1528 | set result {} |
|---|
| 1529 | set prev "" |
|---|
| 1530 | |
|---|
| 1531 | while {[gets $channel line] > -1} { |
|---|
| 1532 | incr lineno |
|---|
| 1533 | |
|---|
| 1534 | if {$line eq ""} then { |
|---|
| 1535 | # |
|---|
| 1536 | # Empty line: we are either before the beginning |
|---|
| 1537 | # of the entry or at the empty line after the |
|---|
| 1538 | # entry. |
|---|
| 1539 | # We don't give up before getting something. |
|---|
| 1540 | # |
|---|
| 1541 | |
|---|
| 1542 | if {! [FlushLine $selfns "" result prev msg]} then { |
|---|
| 1543 | return [list "err" $msg] |
|---|
| 1544 | } |
|---|
| 1545 | |
|---|
| 1546 | if {[llength $result]} then { |
|---|
| 1547 | break |
|---|
| 1548 | } |
|---|
| 1549 | |
|---|
| 1550 | } elseif {[regexp {^[ \t]} $line]} then { |
|---|
| 1551 | # |
|---|
| 1552 | # Continuation line |
|---|
| 1553 | # |
|---|
| 1554 | |
|---|
| 1555 | append prev [string trim $line] |
|---|
| 1556 | |
|---|
| 1557 | } elseif {[regexp {^-$} $line]} then { |
|---|
| 1558 | # |
|---|
| 1559 | # Separation between individual modifications |
|---|
| 1560 | # |
|---|
| 1561 | |
|---|
| 1562 | if {! [FlushLine $selfns "" result prev msg]} then { |
|---|
| 1563 | return [list "err" $msg] |
|---|
| 1564 | } |
|---|
| 1565 | lappend result [list "-" {}] |
|---|
| 1566 | |
|---|
| 1567 | } else { |
|---|
| 1568 | # |
|---|
| 1569 | # Should be a normal line (key: val) |
|---|
| 1570 | # |
|---|
| 1571 | |
|---|
| 1572 | if {! [FlushLine $selfns $line result prev msg]} then { |
|---|
| 1573 | return [list "err" $msg] |
|---|
| 1574 | } |
|---|
| 1575 | |
|---|
| 1576 | } |
|---|
| 1577 | } |
|---|
| 1578 | |
|---|
| 1579 | # |
|---|
| 1580 | # End of file, or end of entry. Flush buffered data from $prev |
|---|
| 1581 | # for EOF case. |
|---|
| 1582 | # |
|---|
| 1583 | |
|---|
| 1584 | if {! [FlushLine $selfns "" result prev msg]} then { |
|---|
| 1585 | return [list "err" $msg] |
|---|
| 1586 | } |
|---|
| 1587 | |
|---|
| 1588 | return [list "ok" $result] |
|---|
| 1589 | } |
|---|
| 1590 | |
|---|
| 1591 | proc FlushLine {selfns line _result _prev _msg} { |
|---|
| 1592 | upvar $_result result $_prev prev $_msg msg |
|---|
| 1593 | |
|---|
| 1594 | if {$prev ne ""} then { |
|---|
| 1595 | set r [DecodeLine $selfns $prev] |
|---|
| 1596 | if {[llength $r] != 2} then { |
|---|
| 1597 | set msg "$lineno: invalid syntax" |
|---|
| 1598 | return 0 |
|---|
| 1599 | } |
|---|
| 1600 | |
|---|
| 1601 | # |
|---|
| 1602 | # Special case for "version: 1". This code should not |
|---|
| 1603 | # be in lexical analysis, but this would be too disruptive |
|---|
| 1604 | # in syntaxic analysis |
|---|
| 1605 | # |
|---|
| 1606 | |
|---|
| 1607 | if {[string equal -nocase [lindex $r 0] "version"]} then { |
|---|
| 1608 | if {$version != 0} then { |
|---|
| 1609 | set msg "version attribute allowed only at the beginning of the LDIF file" |
|---|
| 1610 | return 0 |
|---|
| 1611 | } |
|---|
| 1612 | set val [lindex $r 1] |
|---|
| 1613 | if {[catch {set val [expr {$val+0}]}]} then { |
|---|
| 1614 | set msg "invalid version value" |
|---|
| 1615 | return 0 |
|---|
| 1616 | } |
|---|
| 1617 | if {$val != 1} then { |
|---|
| 1618 | set msg "unrecognized version '$val'" |
|---|
| 1619 | return 0 |
|---|
| 1620 | } |
|---|
| 1621 | set version 1 |
|---|
| 1622 | } else { |
|---|
| 1623 | lappend result $r |
|---|
| 1624 | } |
|---|
| 1625 | } |
|---|
| 1626 | set prev $line |
|---|
| 1627 | |
|---|
| 1628 | return 1 |
|---|
| 1629 | } |
|---|
| 1630 | |
|---|
| 1631 | proc DecodeLine {selfns str} { |
|---|
| 1632 | if {[regexp {^([^:]*)::[ \t]*(.*)} $str d key val]} then { |
|---|
| 1633 | set key [string tolower $key] |
|---|
| 1634 | set val [::base64::decode $val] |
|---|
| 1635 | set val [$translator decode $key $val] |
|---|
| 1636 | set r [list $key $val] |
|---|
| 1637 | } elseif {[regexp {^([^:]*):[ \t]*(.*)} $str d key val]} then { |
|---|
| 1638 | set key [string tolower $key] |
|---|
| 1639 | set val [$translator decode $key $val] |
|---|
| 1640 | set r [list $key $val] |
|---|
| 1641 | } else { |
|---|
| 1642 | # syntax error |
|---|
| 1643 | set r {} |
|---|
| 1644 | } |
|---|
| 1645 | return $r |
|---|
| 1646 | } |
|---|
| 1647 | |
|---|
| 1648 | # |
|---|
| 1649 | # Array indexed by current state of the LDIF automaton |
|---|
| 1650 | # Each element is a list of actions, each with the format: |
|---|
| 1651 | # pattern on on "attribute:value" |
|---|
| 1652 | # next state |
|---|
| 1653 | # script (to be evaled in Syntaxic local procedure) |
|---|
| 1654 | # |
|---|
| 1655 | |
|---|
| 1656 | variable ldifautomaton -array { |
|---|
| 1657 | begin { |
|---|
| 1658 | {dn:* dn {set dn $val}} |
|---|
| 1659 | {EOF:* end {set r [list "empty"]}} |
|---|
| 1660 | } |
|---|
| 1661 | dn { |
|---|
| 1662 | {changetype:modify mod {set t "change" ; set r {mod}}} |
|---|
| 1663 | {changetype:modrdn modrdn {set t "change" ; set newsup {}}} |
|---|
| 1664 | {changetype:add add {set t "change"}} |
|---|
| 1665 | {changetype:delete del {set t "change"}} |
|---|
| 1666 | {*:* standard {set t "standard" ; lappend tab($key) $val}} |
|---|
| 1667 | } |
|---|
| 1668 | standard { |
|---|
| 1669 | {EOF:* end {set r [array get tab]}} |
|---|
| 1670 | {*:* standard {lappend tab($key) $val}} |
|---|
| 1671 | } |
|---|
| 1672 | mod { |
|---|
| 1673 | {add:* mod-add {set attr [string tolower $val] ; set vals {}}} |
|---|
| 1674 | {delete:* mod-del {set attr [string tolower $val] ; set vals {}}} |
|---|
| 1675 | {replace:* mod-repl {set attr [string tolower $val] ; set vals {}}} |
|---|
| 1676 | {EOF:* end {}} |
|---|
| 1677 | } |
|---|
| 1678 | mod-add { |
|---|
| 1679 | {*:* mod-add-attr {lappend vals $val}} |
|---|
| 1680 | } |
|---|
| 1681 | mod-add-attr { |
|---|
| 1682 | {-:* mod {lappend r [list "modadd" $attr $vals]}} |
|---|
| 1683 | {*:* mod-add-attr {lappend vals $val}} |
|---|
| 1684 | } |
|---|
| 1685 | mod-del { |
|---|
| 1686 | {-:* mod {lappend r [list "moddel" $attr $vals]}} |
|---|
| 1687 | {*:* mod-del {lappend vals $val}} |
|---|
| 1688 | } |
|---|
| 1689 | mod-repl { |
|---|
| 1690 | {-:* mod {lappend r [list "modrepl" $attr $vals]}} |
|---|
| 1691 | {*:* mod-repl {lappend vals $val}} |
|---|
| 1692 | } |
|---|
| 1693 | modrdn { |
|---|
| 1694 | {newrdn:* modrdn-new {set newrdn $val}} |
|---|
| 1695 | } |
|---|
| 1696 | modrdn-new { |
|---|
| 1697 | {deleteoldrdn:0 modrdn-del {set delold 0}} |
|---|
| 1698 | {deleteoldrdn:1 modrdn-del {set delold 1}} |
|---|
| 1699 | } |
|---|
| 1700 | modrdn-del { |
|---|
| 1701 | {newsuperior:* modrdn-end {set newsup $val}} |
|---|
| 1702 | {EOF:* end {set r [list modrdn $newrdn $delold] }} |
|---|
| 1703 | } |
|---|
| 1704 | modrdn-end { |
|---|
| 1705 | {EOF:* end {set r [list modrdn $newrdn |
|---|
| 1706 | $delold $newsup]}} |
|---|
| 1707 | } |
|---|
| 1708 | add { |
|---|
| 1709 | {EOF:* end {set r [list add [array get tab]]}} |
|---|
| 1710 | {*:* add {lappend tab($key) $val}} |
|---|
| 1711 | } |
|---|
| 1712 | del { |
|---|
| 1713 | {EOF:* end {set r [list del]}} |
|---|
| 1714 | } |
|---|
| 1715 | } |
|---|
| 1716 | |
|---|
| 1717 | proc Syntaxic {selfns lcouples} { |
|---|
| 1718 | set state "begin" |
|---|
| 1719 | set newsup {} |
|---|
| 1720 | set t "uninitialized" |
|---|
| 1721 | foreach c $lcouples { |
|---|
| 1722 | set key [lindex $c 0] |
|---|
| 1723 | if {[lsearch [string tolower $options(-ignore)] $key] == -1} then { |
|---|
| 1724 | set val [lindex $c 1] |
|---|
| 1725 | set a [Automaton $selfns $state $key $val] |
|---|
| 1726 | if {$a eq ""} then { |
|---|
| 1727 | return [list "err" "Syntax error before line $lineno"] |
|---|
| 1728 | } |
|---|
| 1729 | set state [lindex $a 0] |
|---|
| 1730 | set script [lindex $a 1] |
|---|
| 1731 | eval $script |
|---|
| 1732 | } |
|---|
| 1733 | } |
|---|
| 1734 | |
|---|
| 1735 | set a [Automaton $selfns $state "EOF" "EOF"] |
|---|
| 1736 | if {$a eq ""} then { |
|---|
| 1737 | return [list "err" "Premature EOF"] |
|---|
| 1738 | } |
|---|
| 1739 | set script [lindex $a 1] |
|---|
| 1740 | eval $script |
|---|
| 1741 | |
|---|
| 1742 | set result [list $t] |
|---|
| 1743 | switch $t { |
|---|
| 1744 | uninitialized { |
|---|
| 1745 | # nothing |
|---|
| 1746 | } |
|---|
| 1747 | standard { |
|---|
| 1748 | lappend result $dn $r |
|---|
| 1749 | } |
|---|
| 1750 | change { |
|---|
| 1751 | lappend result $dn $r |
|---|
| 1752 | } |
|---|
| 1753 | } |
|---|
| 1754 | |
|---|
| 1755 | return $result |
|---|
| 1756 | } |
|---|
| 1757 | |
|---|
| 1758 | proc Automaton {selfns state key val} { |
|---|
| 1759 | set r {} |
|---|
| 1760 | if {[info exists ldifautomaton($state)]} then { |
|---|
| 1761 | foreach a $ldifautomaton($state) { |
|---|
| 1762 | if {[string match [lindex $a 0] "$key:$val"]} then { |
|---|
| 1763 | set r [lreplace $a 0 0] |
|---|
| 1764 | break |
|---|
| 1765 | } |
|---|
| 1766 | } |
|---|
| 1767 | } |
|---|
| 1768 | return $r |
|---|
| 1769 | } |
|---|
| 1770 | |
|---|
| 1771 | ######################################################################### |
|---|
| 1772 | # Local procedures to write an entry |
|---|
| 1773 | ######################################################################### |
|---|
| 1774 | |
|---|
| 1775 | proc WriteLine {selfns attr val} { |
|---|
| 1776 | |
|---|
| 1777 | if {[string is ascii $val] && [string is print $val]} then { |
|---|
| 1778 | set sep ":" |
|---|
| 1779 | } else { |
|---|
| 1780 | set sep "::" |
|---|
| 1781 | set val [$translator encode $attr $val] |
|---|
| 1782 | set val [::base64::encode $val] |
|---|
| 1783 | } |
|---|
| 1784 | |
|---|
| 1785 | set first 1 |
|---|
| 1786 | foreach line [split $val "\n"] { |
|---|
| 1787 | if {$first} then { |
|---|
| 1788 | puts $channel "$attr$sep $line" |
|---|
| 1789 | set first 0 |
|---|
| 1790 | } else { |
|---|
| 1791 | puts $channel " $line" |
|---|
| 1792 | } |
|---|
| 1793 | } |
|---|
| 1794 | } |
|---|
| 1795 | } |
|---|
