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36 lines
714 B
Bash
Executable File
36 lines
714 B
Bash
Executable File
#!/bin/sh
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# $OpenBSD: ssh2putty.sh,v 1.10 2025/05/06 06:05:48 djm Exp $
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if test "x$1" = "x" -o "x$2" = "x" -o "x$3" = "x" ; then
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echo "Usage: ssh2putty hostname port ssh-private-key"
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exit 1
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fi
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HOST=$1
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PORT=$2
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KEYFILE=$3
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OPENSSL_BIN="${OPENSSL_BIN:-openssl}"
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if grep "BEGIN RSA PRIVATE KEY" $KEYFILE >/dev/null 2>&1 ; then
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:
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else
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echo "Unsupported private key format"
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exit 1
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fi
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public_exponent=`
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$OPENSSL_BIN rsa -noout -text -in $KEYFILE | grep ^publicExponent |
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sed 's/.*(//;s/).*//'
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`
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test $? -ne 0 && exit 1
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modulus=`
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$OPENSSL_BIN rsa -noout -modulus -in $KEYFILE | grep ^Modulus= |
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sed 's/^Modulus=/0x/' | tr A-Z a-z
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`
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test $? -ne 0 && exit 1
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echo "rsa2@$PORT:$HOST $public_exponent,$modulus"
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