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#
# TCL SMS mini library
#
# by Gerhard Reithofer
# Techn. EDV Reithofer, Technical software solutions
# mailto:gerhard.reithofer@tech-edv.co.at
# http://www.tech-edv.co.at
#
# See COPYING for further details
#
# This is a part of our self-developed SMS-library, which is also
# a part of our GSM-library for TCL.
# You may find it on our web server:
# http://www.tech-edv.co.at/programmierung/gplsw.html
#
# Information mostly retrieved from:
#
# Developer's Guide:
# SMS with the SMS PDU-mode
# Version 1.2 (30.07.97) by Siemens AG
# found at: http://www.min.at/prinz/s25/smspdu.pdf
#
# ... you will find many, many, many usefult things at the
# (M)obile (I)nformation (N)etwork
# site by Richard Prinz Richard.Prinz@min.at
#
# ... and NOBI's real great GSM site
# http://www.nobbi.com/
#
global SMS_FLAG PDU_TYPE SMS_MSG_VALID SMS_MSG_VP_VALUE
##############################################
#
# SMS PDU type byte - DELIVER mode
#
# Bit 7 - Reply Path
set PDU_DEF(RP) 0
# Bit 6 - User Data Header Indicator
set PDU_DEF(UDHI) 0
# Bit 5 - Status Report Request
set PDU_DEF(SRR) 0
# Bit 4+3 - Valid Period Flag - no value
set PDU_DEF(VPF) 0
# Bit 2 - Reject Duplicate
set PDU_DEF(RD) 0
# Bit 1+0 - Message Type Indicator (default is SMS-SUBMIT)
set PDU_DEF(MTI) 1
##############################################
#
# SMS FLAGS default - DELIVER mode
#
##############################################
#
# Specify SMS -> fromphone
set SMS_DEF(SCA) "00"
# Extract PDU flag later
# set SMS_DEF(PDU) [set_pdu_flags -1]
# Message reference -> 00-FF
set SMS_DEF(MR) "00"
# Destination address (phone number)
# set SMS_DEF(DA) [phone2pdu $pnum]
# Protocol IDentifier -> PDU has tobe treted as sms
set SMS_DEF(PID) "00"
# Data Coding Scheme -> default 7-bit coding
set SMS_DEF(DCS) "00"
# Validy Period flag -> no value given (PDU_DEF(VPF) must be 0)
set SMS_DEF(VP) ""
# debug_var SMS_MSG_VP_VALUE(2)
# debug_out "1 SMS_MSG_VP_VALUE [array names SMS_MSG_VP_VALUE]"
#
# Character map found at:
# http://www.dreamfabric.com/sms/default_alphabet.html
# Many thanks to the dream team:
# Joakim Eriksson, Niclas Finne, Lars Olsson,
# Lars Petterson, Karl-Petter Åkesson, Erik Klintskog
#
# list 0 - standad char mapping from GSM 03.38. to ISO-8859-1
# list 1 - char after escape GSM
# list 3 - corr. ISO char
#
# 0 - means unsupoorted (like greek alphabet, Euro symbol...)
#
proc pdu2iso { str } {
debug_out "CALL: pdu2iso $str" 3
set gsm_default_alphabet [list [list \
64 163 36 165 232 233 250 236 242 199 10 216 248 13 197 229 \
0 95 0 0 0 0 0 0 0 0 0 0 198 230 223 202 \
32 33 34 35 0 37 38 39 40 41 42 43 44 45 46 47 \
48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 \
161 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 \
80 81 82 83 84 85 86 87 88 89 90 196 214 209 220 167 \
191 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 \
112 113 114 115 116 117 118 119 120 121 122 228 246 241 252 224]\
[list 10 20 40 41 47 60 61 62 64 101]\
[list 12 94 123 125 92 91 126 93 124 0]\
]
set notsup " "
set unknow "?"
set cmap [lindex $gsm_default_alphabet 0]
set escp [lindex $gsm_default_alphabet 1]
set esci [lindex $gsm_default_alphabet 2]
set rval ""
set blist {}
set sl [string length $str]
for {set i 0} {$i < $sl} {incr i} {
scan [string index $str $i] "%c" b
lappend blist $b
}
set lc -1
set cnt 0
set stl [llength $blist]
while {$cnt < $stl} {
set inp [lindex $blist $cnt] ; ### nth character
set map [lindex $cmap $inp] ; ### mapped value
if {$map eq {}} {set map -1}
# puts "inp=$inp"
switch -- $map {
-1 { ; ### unknown chacter (not found in cmap) - should never appear!!!
puts "\007" ; ### HELP!
append rval $unknow
debug_out "rval=$rval" 1
exit 0
}
0 { ; ### unsupported character
append rval $notsup
}
13 { ; ### CR/LF problem...do nothin under Unix
}
27 { ; ### escaped chacter
set inp [lindex $str [incr cnt]] ; ### fetch next char
set escidx [lsearch $escp $inp] ; ### is it a valid escape char?
if {$escidx == -1} {
append rval [format "%c" 27]
} else {
append rval [lindex $esci $escidx]
}
}
default { ; ### the result directly
append rval [format "%c" $map]
}
}
set lc $map
incr cnt
}
debug_out "RETURN: pdu2iso $rval" 3
return $rval
}
proc set_pdu_flags { val } {
global PDU_TYPE PDU_DEF
debug_out "CALL: set_pdu_flags $val" 3
if {$val == -1} {
##### SUBMIT mode - MS -> SMSC
# Bit 7 - Reply Path -> 0
set PDU_TYPE(RP) $PDU_DEF(RP)
# Bit 6 - User Data Header Indicator -> 0
set PDU_TYPE(UDHI) $PDU_DEF(UDHI)
# Bit 5 - Status Report Request -> 0
set PDU_TYPE(SRR) $PDU_DEF(SRR)
# Bit 4+3 - Valid Period Flag -> see get_vp_value
set PDU_TYPE(VPF) $PDU_DEF(VPF)
# Bit 2 - Reject Duplicate -> 0
set PDU_TYPE(RD) $PDU_DEF(RD)
# Bit 1+0 - Message Type Indicator - must be "01"
set PDU_TYPE(MTI) $PDU_DEF(MTI)
set val [expr ($PDU_TYPE(RP) <<7) | \
($PDU_TYPE(UDHI)<<6) | \
($PDU_TYPE(SRR) <<5) | \
($PDU_TYPE(VPF) <<3) | \
($PDU_TYPE(RD) <<2) | \
$PDU_TYPE(MTI)]
# disp_sms_flags
# puts "set_pdu_flag -> $val"
} else {
##### DELIVER mode SMSC -> MS
# Bit 7 - Reply Path
set PDU_TYPE(RP) [expr ($val & 128) >> 7]
# Bit 6 - User Data Header Indicator
set PDU_TYPE(UDHI) [expr ($val & 64) >> 6]
# Bit 5 - Statue Report Inidicator
set PDU_TYPE(SRI) [expr ($val & 32) >> 5]
# Bit 4+3 - VPF - should only be of interest at SUBMIT
set PDU_TYPE(VPF) [expr ($val & 24) >> 3]
# Bit 2 - More Message to Send
set PDU_TYPE(MMS) [expr ($val & 4) >> 2]
# Bit 1+0 - Message Type Indicator
set PDU_TYPE(MTI) [expr $val & 3]
}
set rval [format "%02x" $val]
debug_out "RETURN: set_pdu_flags $rval" 3
return $rval
}
proc readc { len } {
global global_msg
debug_out "CALL: readc $len" 8
set rval [string range $global_msg 0 [expr $len-1]]
set global_msg [string range $global_msg $len end]
debug_out "RETURN: readc '$rval'" 3
return $rval
}
############################################
#
# ...the strange pdu stufffffffffffffffffff
#
############################################
proc swap_bytes { num } {
debug_out "CALL: swap_bytes $num" 3
set rval ""
set len [string length $num]
for {set i 0} {$i<$len} {incr i 2} {
append rval "[string index $num [expr $i+1]][string index $num $i]"
}
debug_out "RETURN: swap_bytes $rval" 3
return $rval
}
proc get_vp_value { pdu vpf } {
global SMS_MSG_VP_VALUE SMS_MSG_VALID
debug_out "CALL: get_vp_value $pdu $vpf" 3
set SMS_MSG_VALID(NONE) 0
set SMS_MSG_VALID(RESERVED) 1
set SMS_MSG_VALID(RELATIVE) 2
set SMS_MSG_VALID(ABSOLUTE) 3
set SMS_MSG_VP_VALUE($SMS_MSG_VALID(NONE)) [get_text "none" siemplug]
set SMS_MSG_VP_VALUE($SMS_MSG_VALID(RESERVED)) "* Error *"
set SMS_MSG_VP_VALUE($SMS_MSG_VALID(RELATIVE)) \
[list [get_text "%d minutes" siemplug]\
[get_text "%d hours" siemplug]\
[get_text "%d days" siemplug]\
[get_text "%d weeks" siemplug]]
set vp ""
set fmt_str $SMS_MSG_VP_VALUE($vpf)
# debug_out "$SMS_MSG_VALID(RELATIVE) == $vpf => [string_equal $SMS_MSG_VALID(RELATIVE) $vpf]"
if [string_equal $vpf $SMS_MSG_VALID(NONE)] {
set vp $fmt_str
} elseif [string_equal $vpf $SMS_MSG_VALID(RESERVED)] {
set vp $fmt_str
} elseif [string_equal $vpf $SMS_MSG_VALID(RELATIVE)] {
scan $pdu "%x" val
if {$val <= 143} {
set vp [format [lindex $fmt_str 0] [expr ($val+1)*5]]
} elseif { $val <= 167} {
set vp [format [lindex $fmt_str 1] [expr 12+($val-143)/2]]
} elseif { $val <= 196} {
set vp [format [lindex $fmt_str 2] [expr ($val-166)]]
} else {
set vp [format [lindex $fmt_str 3] [expr ($val-192)]]
}
} elseif [string_equal $vpf $SMS_MSG_VALID(ABSOLUTE)] {
set vp [format $fmt_str [pdu2time $pdu]]
} else {
set vp [get_text "* internal error *" siemplug]
}
debug_out "RETURN: get_vp_value $vp" 3
return $vp
}
proc read_vp_value { vpf } {
debug_out "CALL: read_vp_value" 3
switch $vpf {
0 { ### NO SMS_FLAG(VP) preset
set vp ""
}
1 { ### reserved - unused - should we call "error"?
set vp ""
}
2 { ### "relative" period (integer)
set vp [readc 2]
}
3 { ### "absolute" period (timestamp)
set vp [readc 14]
}
}
debug_out "RETURN: read_vp_value $vp" 3
return $vp
}
proc read_pdu_flags { pdu } {
global SMS_FLAG PDU_TYPE global_msg
debug_out "CALL: read_pdu_flags" 3
if [info exists PDU_TYPE] {unset PDU_TYPE}
if [info exists SMS_FLAG] {unset SMS_FLAG}
set global_msg $pdu
# Service Center Adress
set SMS_FLAG(SCA) [read_pdu_phone 1]
# Protocol Data Unit
set SMS_FLAG(PDU) [readc 2]
scan $SMS_FLAG(PDU) "%x" dec
set_pdu_flags $dec
# disp_sms_flags
# puts "PDU_TYPE(MTI)=$PDU_TYPE(MTI)"
switch $PDU_TYPE(MTI) {
0 {
### SMS-DELIVER
### Message Reference
### We do NOT GET this value but we
### MUST GENERATE it (e.g. 00) in DELIVER mode
# ??? set SMS_FLAG(MR) [readc 2]
### Originator Address
set SMS_FLAG(OA) [read_pdu_phone 0]
### Protocol IDentifier
set SMS_FLAG(PID) [readc 2]
### Data Coding Scheme
set SMS_FLAG(DCS) [readc 2]
### SMS Center Time Stamp
set SMS_FLAG(SCTS) [readc 14]
# puts "DEBUG: $SMS_FLAG(OA) $SMS_FLAG(PID) $SMS_FLAG(DCS) $SMS_FLAG(SCTS)"
}
1 {
### SMS-SUBMIT
### Message Reference
### We do NOT GET this value but we
### MUST GENERATE it (e.g. 00) in DELIVER mode
set SMS_FLAG(MR) [readc 2]
### Destination Address
set SMS_FLAG(DA) [read_pdu_phone 0]
### Protocol IDentifier
set SMS_FLAG(PID) [readc 2]
### Data Coding Scheme
set SMS_FLAG(DCS) [readc 2]
### Validy Period - returned as explaining string it the moment
set SMS_FLAG(VP) [read_vp_value $PDU_TYPE(VPF)]
# puts "DEBUG: Gültigkeitsdauer: $ValidPeriod"
}
2 {
### SMS-COMMAND - reserved
warning "Message type SMS-COMMAND not supportet!"
return -1
}
default {
warning "Invalid PDU_TYPE flag MTI: $PDU_TYPE(MTI)!"
return -1
}
}
# User Data Length
set SMS_FLAG(UDL) [readc 2]
scan $SMS_FLAG(UDL) "%x" len
debug_out "RETURN: read_pdu_flags $len" 3
return $len
}
proc pdu2phone { pdu } {
debug_out "RETURN: pdu2phone $pdu" 3
set toa [string range $pdu 0 1]
set num [swap_bytes [string range $pdu 2 end]]
set lch [expr [string length $num]-1]
set lc [string toupper [string index $num $lch]]
if {$lc eq "F"} { set num [string range $num 0 [expr $lch-1]] }
if {$toa == 91} { set num "+$num" }
debug_out "RETURN: pdu2phone $num" 3
return $num
}
proc read_pdu_phone { octets } {
debug_out "CALL: read_pdu_phone $octets" 3
set hex [readc 2]
scan $hex "%x" len
# if len is number of octets (SCA only)!!!
if ($octets) {
set len [expr ($len-1)*2]
} else {
if [expr $len%2] { incr len }
}
# we read 1 byte TOA and the hex digits
set pdu [readc [expr $len+2]]
debug_out "RETURN: read_pdu_phone $pdu" 3
return $pdu
}
proc pdu2time { timestamp } {
debug_out "CALL: pdu2time $timestamp" 3
set dtz [swap_bytes $timestamp]
set date "20[string range $dtz 0 1]"
append date ".[string range $dtz 2 3].[string range $dtz 4 5]"
set time "[string range $dtz 6 7]"
append time ":[string range $dtz 8 9]:[string range $dtz 10 11]"
# Let's remove leading zeroes to avoid "Invalid octal number 08"...
set zdata [string range $dtz 12 end]
regsub ^0+(.+) $zdata \\1 znum
set zone [expr $znum/4]
if {$zone > 12} {
set res [list $date $time "-[expr 24-$zone]h" ]
} else {
set res [list $date $time [format "+%dh" $zone]]
}
debug_out "RETURN: pdu2time $res" 3
return $res
}
proc phone2pdu { num } {
debug_out "CALL: phone2pdu $num" 3
# bit length byte
# 7 - always 1
# 6-4 - type of number: 001 (international) or 000 (unknown)
# 3-0 - NPI: 0000
# -> 0x91 for international
# 0x81 for unknown (national) numbers
# bugs : no valid digit checking is done (apeces, chars...)
#
if {"+" eq [string index $num 0]} {
set toa "91"
set num [string range $num 1 end]
} else {
set toa "81"
}
set lnu [string length $num]
# if length is odd, then we append a "F"
if [expr $lnu%2] { append num "F" }
set res ""
set len [string length $num]
for {set i 1} {$i < $len} {set i [expr $i+2]} {
append res [string index $num $i ]
append res [string index $num [expr $i-1]]
}
set rval [format "%02X%s%s" $lnu $toa $res]
debug_out "RETURN: phone2pdu $rval" 3
return $rval
}
proc debug_bin { n b1 b2 } {
# debug_out "debug_bin $n $b1 $b2" 6
if {$b1<=255} {
binary scan [format %c $b1] B* bits1
set hex1 [format %02x $b1]
} else {
binary scan [format %c [expr $b1 & 255 ]] B* r1
binary scan [format %c [expr ($b1 & 65280)>>8]] B* r2
set bits1 "$r2 $r1"
set hex1 [format %04x $b1]
}
if {$b2<=255} {
binary scan [format %c $b2] B* bits2
set hex2 [format %02x $b2]
} else {
binary scan [format %c [expr $b2 & 255 ]] B* r1
binary scan [format %c [expr ($b2 & 65280)>>8]] B* r2
set bits2 "$r2 $r1"
set hex2 [format %04x $b2]
}
# puts "$n '$bits1' '$bits2' $hex1 $hex2 $b1 $b2"
}
### Convert packed 7-bit data to a list of single bytes (in decimal)
proc unpack_pdu { msg udl } {
debug_out "CALL: unpack_pdu $msg $udl" 5
set outstr ""
set revbyte {}
# bit masks 0 1 2 3 4 5 6
set nmask [list 127 63 31 15 7 3 1]
set omask [list 128 192 224 240 248 252 254]
### Let's convert the hex codes into a list of bytes
set lmsg [string length $msg]
for {set i 0} {$i < $lmsg} {incr i 2} {
set buffi [string range $msg $i [expr $i+1]]
scan $buffi "%x" dec
lappend revbyte $dec
}
set i 0
set buffo [lindex $revbyte $i]
set out [expr $buffo & [lindex $nmask $i]]
incr i
while {[llength $out]<$udl} {
set lsh [expr $i%7]
set rsh [expr 8-$lsh]
set buffn [lindex $revbyte $i]
set byteo [expr $buffo & [lindex $omask $lsh]]
set byten [expr $buffn & [lindex $nmask $lsh]]
set bitso [expr $byteo>>$rsh]
set bitsn [expr $byten<<$lsh]
set outch [expr $bitso|$bitsn]
lappend out $outch
if [expr {$lsh == 6} && {[llength $out]<$udl}] {
lappend out [expr ($buffn & [lindex $omask $lsh]) >> 1]
}
set buffo $buffn
incr i
}
debug_out "RETURN: unpack_pdu $out" 5
return $out
}
proc pdu2txt { msg udl } {
### now we convert the integer list to pdu chars...
debug_out "CALL: pdu2txt $msg $udl" 5
set out [unpack_pdu $msg $udl]
set str ""
foreach b $out { append str [format "%c" $b] }
set outstr [pdu2iso $str]
debug_out "RETURN: pdu2txt $outstr" 5
return $outstr
}
proc sms_message2txt { pdu } {
global SMS_FLAG PDU_TYPE
debug_out "CALL: sms_message2txt $pdu" 3
set msglen [read_pdu_flags $pdu] ; ### sets also $global_msg
set txt [pdu2txt $global_msg $msglen]
debug_out "RETURN: sms_message2txt $txt" 3
return $txt
}
##################################################################
#
# Here go the common ObexTool functions ... the following code
# is NOT part of out GSM-library
#
##################################################################
##################################################################
#
# BEGIN - Namespace variable declarations
#
variable version 0.3
variable dlg_title \
"ObexTool SMS-Plugin $version - (c) Gerhard Reithofer 2003-05"
variable pathname ""
variable top_level .sms
variable label_width 24
variable header_data ""
variable dialog_font {Helvetica 10}
variable label_font {Helvetica 10 bold}
variable window_font {fixed 12}
variable window_width 60
variable window_height 20
variable magic_siemens "0b0b"
variable sms_hex_len 350
variable main_frame
#
# END - Namespace variable declarations
#
##################################################################
proc label_entry { name elabel dval } {
variable label_font
variable dialog_font
variable label_width
debug_out "label_entry $name $elabel $dval" 5
LabelEntry $name -label $elabel -labelwidth $label_width \
-labelfont $label_font -justify left \
-text $dval -entrybg white -font $dialog_font
pack $name -expand 1 -fill x
}
proc save_message { } {
variable pathname
variable top_level
variable main_frame
debug_out "save_message" 5
set name [file tail [file rootname $pathname]]
set sl [string length $name]
set nname ""
for {set i 0} {$i<$sl} {incr i} {
set c [string index $name $i]
if {[string is wordchar $c]||$c eq "."||$c eq "-"} {
append nname $c
} else {
append nname _
}
}
set oname [save_filename $nname.txt txt]
if [string_empty $oname] return
set header {}
set smstxt {}
set smslbl ""
set wlist [winfo children $main_frame]
foreach win $wlist {
set class [winfo class $win]
debug_out "$class: $win" 6
switch $class {
LabelEntry {
set title [$win cget -label]
set value [$win cget -text]
lappend header "$title $value"
}
LabelFrame {
set smslbl [$win cget -text]
}
Text {
set smstxt [$win get 0.0 end]
}
default {
set msg [get_text "Unexpected window class '%s'!" siemplug]
internal_error [format $msg $class]
}
}
}
lappend header "$smslbl\n$smstxt"
set fd [open $oname "w"]
foreach line $header { puts $fd $line }
close $fd
destroy $top_level
status_msg [format [get_text "SMS message saved as '%s'!" siemplug] $oname]
}
proc sms_dialog { title sms_text } {
variable top_level
variable label_font
variable label_width
variable window_width
variable window_height
variable window_font
variable main_frame
variable dlg_title
set buttons [list [get_text "&Save" siemplug] \
[get_text "Write SMS text into file"] \
"[namespace current]::save_message"\
[get_text "&Close" siemplug] \
[get_text "Close SMS window"] \
"after idle {destroy $top_level}"]
set main_frame [new_window $top_level $dlg_title $title $buttons 1 .]
### Add incoming/outgoing specific flag data (see sm?_* plugin files)
add_flag_data $main_frame
### Add SMS text window frame
set lf [LabelFrame $main_frame.lbl -font $label_font\
-justify left -text [get_text "SMS text:"]]
pack $lf -expand 1 -fill x
set tw [text $main_frame.txt -font $window_font -wrap word\
-width $window_width -height $window_height]
pack $tw -expand 1 -fill x
debug_var tw 7
$tw insert end $sms_text
BWidget::place $top_level 0 0 center .
wm deiconify $top_level
}
proc read_file { path binary } {
debug_out "read_file $path" 5
set local [ObexFile::read_file_tmp $path]
if [string_empty $local] { return {} }
set fd [open $local "r"]
if $binary {fconfigure $fd -translation binary}
set res [read $fd]
close $fd
file delete $local
return $res
}
proc init_plugin { smsfile } {
debug_out "init_plugin $smsfile" 5
global PDU_TYPE SMS_FLAG global_msg
variable top_level
variable header_data
variable model_params
variable pathname $smsfile
variable magic_siemens
variable sms_hex_len
###
### Is a SMS window already open?
###
if [winfo exists $top_level] {
set msg [get_text "SMS data window already open!" siemplug]
append msg \
[get_text "\nPlease close it before opening a new one." siemplug]
warning $msg
return -1
}
###
### Read SMS file
###
set bin [read_file $smsfile 1]
if [string_empty $bin] {
set msg [get_text "Unable to download file '%s' or file is empty!" siemplug]
warning [format $smsfile $smsfile]
return -1"
}
set res [binary scan $bin H* sms]
debug_out "sms_slen=[string length $sms] -> [string range $sms 0 3]"
if ![string_equal [string range $sms 0 3] $magic_siemens] {
set msg [get_text "No Siemens SMS file signature found!" siemplug]
append msg [get_text "\nUnable to display SMS text." siemplug]
warning $msg
return -1
}
### The 1st $header_max bytes are (currently unused) header data!?!?!?
### The sms message part is always 175 bytes, whereas the data beyond
### the used data may be filled with 0xff.
### Many thanks to Hendrik Sattler <sattler2000@gmx.de>, the creator
### of SCMxx (http://www.hendrik-sattler.de/scmxx/) for his help and hints.
set header_len [expr [string length $sms] - $sms_hex_len]
set pdu_data [string range $sms $header_len end]
set header_data [string range $sms 0 [incr header_len -1]]
###
### Interprete the pdu header - this sets also $global_msg
###
set msglen [read_pdu_flags $pdu_data]
return $msglen
}
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