mirror of
https://github.com/caperren/school_archives.git
synced 2025-11-09 13:41:13 +00:00
143 lines
4.9 KiB
Bash
143 lines
4.9 KiB
Bash
#!/bin/bash
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# FYI, this command removes file abc if it is empty: [ -s abc ] || rm -f abc
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usage="usage: $0 encryptionport decryptionport"
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#use the standard version of echo
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echo=/bin/echo
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#Make sure we have the right number of arguments
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if test $# -gt 2 -o $# -lt 2
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then
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${echo} $usage 1>&2
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exit 1
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fi
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#Clean up any previous runs
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${echo} '#Initializing - Cleaning up - ignore Operation Not Permitted errors'
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killall -q -u $USER otp_*
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rm -f ciphertext*
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rm -f plaintext*_*
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rm -f key20
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rm -f key70000
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#Record the ports passed in
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encport=$1
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decport=$2
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#Run the daemons
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otp_enc_d $encport &
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otp_dec_d $decport &
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sleep 5
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#START OF GRADING SCRIPT'
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${echo} '#keygen 20 > key20'
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keygen 20 > key20
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${echo} "#5 POINTS: key20 must exist"
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[ -s key20 ] || rm -f key20
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if [ -f key20 ]; then ${echo} 'key20 exists!'; else ${echo} 'key20 DOES NOT EXIST'; fi
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${echo}
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${echo} "#-----------------------------------------"
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${echo} "#5 POINTS: Number of characters in key20, should be 21:"
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wc -m key20
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${echo}
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${echo} "#-----------------------------------------"
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${echo} '#keygen 70000 > key70000'
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keygen 70000 > key70000
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${echo} "#5 POINTS: Number of characters in key70000, should be 70001:"
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[ -s key70000 ] || rm -f key70000
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wc -m key70000
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${echo}
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${echo} "#-----------------------------------------"
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${echo} '#otp_enc plaintext1 key20 $encport'
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${echo} "#10 POINTS: Should return error about too-short key"
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otp_enc plaintext1 key20 $encport
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${echo}
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${echo} "#-----------------------------------------"
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${echo} '#otp_enc plaintext1 key70000 $encport'
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${echo} "#20 POINTS: Should return encrypted version of plaintext1"
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otp_enc plaintext1 key70000 $encport
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#otp_enc plaintext1 key70000 $encport > ciphertext1'
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otp_enc plaintext1 key70000 $encport > ciphertext1
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${echo} "#10 POINTS: ciphertext1 must exist"
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[ -s ciphertext1 ] || rm -f ciphertext1
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if [ -f ciphertext1 ]; then ${echo} 'ciphertext1 exists!'; else ${echo} 'ciphertext1 DOES NOT EXIST'; fi
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#10 POINTS: ciphertext1 must be same number of chars as source'
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${echo} '#wc -m plaintext1'
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wc -m plaintext1
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${echo} '#Should be same: wc -m ciphertext1'
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wc -m ciphertext1
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#5 POINTS: ciphertext1 should look encrypted'
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cat ciphertext1
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#otp_dec ciphertext1 key70000 $encport'
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${echo} '#5 POINTS: Should fail giving error that otp_dec cannot use otp_enc_d'
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otp_dec ciphertext1 key70000 $encport
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#20 POINTS: should return decrypted ciphertext1 that matches source'
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${echo} '#cat plaintext1'
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cat plaintext1
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${echo} '#otp_dec ciphertext1 key70000 $decport'
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otp_dec ciphertext1 key70000 $decport
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#otp_dec ciphertext1 key70000 $decport > plaintext1_a'
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otp_dec ciphertext1 key70000 $decport > plaintext1_a
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${echo} "#10 POINTS: plaintext1_a must exist"
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[ -s plaintext1_a ] || rm -f plaintext1_a
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if [ -f plaintext1_a ]; then ${echo} 'plaintext1_a exists!'; else ${echo} 'plaintext1_a DOES NOT EXIST'; fi
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#cmp plaintext1 plaintext1_a'
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${echo} '#5 POINTS: plaintext1 must be the same as plaintext1_a:'
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cmp plaintext1 plaintext1_a
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${echo} '#echo $? should be == 0, which means the cmp succeeded!'
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echo $?
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#20 POINTS: concurrent test of encryption - look for 4 properly-sized ciphertext# files, or 5 where the 5th is 0 bytes'
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${echo} '#5 POINTS: Should be only one error about plaintext5 being bad'
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rm -f ciphertext*
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rm -f plaintext*_*
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otp_enc plaintext1 key70000 $encport > ciphertext1 &
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otp_enc plaintext2 key70000 $encport > ciphertext2 &
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otp_enc plaintext3 key70000 $encport > ciphertext3 &
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otp_enc plaintext4 key70000 $encport > ciphertext4 &
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otp_enc plaintext5 key70000 $encport > ciphertext5 &
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${echo} 'Ten second sleep, your program must complete in this time'
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sleep 10
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ls -pla
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#15 POINTS: concurrent test of decryption - look for 4 plaintext#_a files that match the plaintext# files'
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otp_dec ciphertext1 key70000 $decport > plaintext1_a &
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otp_dec ciphertext2 key70000 $decport > plaintext2_a &
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otp_dec ciphertext3 key70000 $decport > plaintext3_a &
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otp_dec ciphertext4 key70000 $decport > plaintext4_a &
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${echo} '#Ten second sleep, your program must complete in this time'
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sleep 10
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ls -pla
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#Clean up
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${echo}
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${echo} '#-----------------------------------------'
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${echo} '#Cleaning up - ignore Operation Not Permitted errors'
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killall -q -u $USER otp_*
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rm -f ciphertext*
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rm -f plaintext*_*
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rm -f key20
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rm -f key70000
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${echo}
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${echo} '#SCRIPT COMPLETE'
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