36 lines
885 B
Bash
Executable File
36 lines
885 B
Bash
Executable File
#!/bin/bash
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#
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# Wrapper to addr2line.
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#
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# $0 gets a code line for a shared library. It checks where the
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# library is linked to the binary and subtracts that from
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# supplied list of addresses in the binary.
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#
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# This requires stack randomization to be disabled.
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LIBNAME=libstrongswan
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if [ ! -e $1 ];
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then
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echo "Error: file $1 not found"
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exit 1
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fi
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if [ `cat /proc/sys/kernel/randomize_va_space` != 0 ];
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then
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echo "Error: stack randomization enabled: use echo 0 > /proc/sys/kernel/randomize_va_space"
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exit 1
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fi
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LINK=`ldd $1 | grep $LIBNAME | awk '{print toupper($4) }' | sed -e "s/0X//g"`
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LIB=`ldd $1 | grep $LIBNAME | awk '{print $3 }'`
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until [ -z "$2" ]
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do
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shift
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LEAK=`echo "$1" | sed -e "s/0x//g" | awk '{print toupper($1)}'`
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RES=`echo "ibase=16; obase=10; $LEAK - $LINK;" | bc | sed -e "s/ //g" | awk '{print tolower($1) }'`
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RES="0x$RES"
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addr2line -e $LIB $RES
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done
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