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user:dgirard3:portforlio:puzzle
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Project: THE PUZZLE BOX
A project for CSCS1730 UNIX/Linux Fundamentals by Derek Girardi during the Fall 2011 semester.
This project was begun on 10/25/11 and is anticipated to take 1 day.
Objectives
To demonstrate understanding of tools through application of skills, observation, and the ability to reference necessary documentation.
Prerequisites
In order to successfully accomplish/perform this project, the listed resources/experiences need to be consulted/achieved:
- know how to use the command-line
- familiarity with using command-line arguments to alter default behaviors of commands
- know how to bring up and read a manual page
- familiarity with other resources that provide documentation or usage information
Background
For this project i attempting to see if i know how to use the tools i learned in an effective to navigate through files to find a hidden message. This is a puzzle box because hidden in files there is a secret message and i need to know how to archive, decompress files and text manipulate files to see what is inside. You must know how to use the command file, sed, cp, mv and many others. File allows you to see what kind of file it is, sed allows you to manipulate text through expressions and commands, cp and mv are simple copy and move commands. There is also a rev command that is implmented that is used far into the future box that will come handy. If you can master going through files, manipulateing them and using commands to push your way through, the puzzle box will be no problem to you.
Scope
To apply skills learned in unraveling the puzzle that isn't as it may seem.
Located in /var/public/unix/puzzlebox/ is a filed called courses.html … have at it.
Attributes
State and justify the attributes you'd like to receive upon successful approval and completion of this project.
- commands: utilization of commands to accomplish the task
- files & directories: recognize what is being dealt with and act appropriately
- text processing: retrieve/manipulate text
- the UNIX shell: perform necessary command-line manipulations to accomplish the task at hand
Procedure
lab46:~$ cd /var/public/unix/puzzlebox lab46:/var/public/unix/puzzlebox$ ls courses.html lab46:/var/public/unix/puzzlebox$ cat courses.html Y[Àâ ¶©)¡¡¹©©PÈ16gP0` (-.I,RP`(OMIOÅ£.'1³aøof.0+lV°=² ? CIFªBb^qyj^IE~'óå¨ù~aóýJ+¸Yþ030°¼`$ÔÆÁà4Èmñ¼>F´(¦A9ùéù¥%`ãÛaÜÞ o¿Ã<w鬦âä¤scá½ÙÙìr~ =]ª[Puìñ4MB¿Úo ^Â4Ié°ì¾ E£þLð{±rmÁ»Ow'N¿Â3å{FÀéºcQÛÊvpLþõüL±üÜ[²¶!99Í»~§½õóàÿ]î¤ìÜÌ"«_¼ =tþuÀ®§9ëHNjf:|?AiOÉÁðZÙ¸ny£}ÛÒm ¿iïO["ªóÂx{jèDÝw¦÷§ý¥V¼ÅÖW£Ù+² ÕÿÔaûjÍËn9Þ¼ºâþo¼Këf9ÎY_"ÒôèVÿcCþé}*Ç£3¸zg½ÈÏ÷òÚ<ó¸½ëÅOJ=Éöðsîͯº²JÉè¬ÒÈL?ݼ,å)ªü¼÷Öë<sÇýùö&ɬâɵ°7ªæþ¬,ÙzT°T*Æ/·SwR|7#3®²Þ:hhgD;F ÅéC\·Â+$ `ÍÊÒÎôsFQ0 FÁ(£`Q0 FÁ(£`Q0 FÁ(£`Q0 FÁ(£`Q0 F:óµ4i(lab46:/var/public/unix/puzzlebox$ 1;2c1;2c1;2c1;2c1;2c^C lab46:/var/public/unix/puzzlebox$ vi courses.html lab46:/var/public/unix/puzzlebox$ man html No manual entry for html lab46:/var/public/unix/puzzlebox$ ls -l total 4 -rw-r--r-- 1 wedge unix 681 Oct 19 19:20 courses.html lab46:/var/public/unix/puzzlebox$ file courses.html courses.html: gzip compressed data, was "courses.html", from Unix, last modified: Wed Oct 19 19:20:57 2011, max compression lab46:/var/public/unix/puzzlebox$ man gunzip lab46:/var/public/unix/puzzlebox$ gzip -d courses.html gzip: courses.html: unknown suffix -- ignored lab46:/var/public/unix/puzzlebox$ mv courses.html courses.gz mv: cannot move `courses.html' to `courses.gz': Permission denied lab46:/var/public/unix/puzzlebox$ cp courses.html ~ lab46:/var/public/unix/puzzlebox$ cd lab46:~$ ls Harchives.tar.bz2 archivees cmdcprog.c exper irc program.c soaringeagle1.sh Maildir archives contact.info.save hey killerwasp.sh pss src a.out bin courses.html hi lab1a.text public_html temp addscr.sh botopen data hi.c motd regularexpressions temp.c archive1.tar.gz candy destructo.sh hi.s newdirectory scriptrgex.sh tmp archive2.zip closet dl in program soaringeagle.sh wildcards lab46:~$ mv courses.html courses.gz lab46:~$ gzip -d courses.gz lab46:~$ ls Harchives.tar.bz2 archivees cmdcprog.c exper irc program.c soaringeagle1.sh Maildir archives contact.info.save hey killerwasp.sh pss src a.out bin courses hi lab1a.text public_html temp addscr.sh botopen data hi.c motd regularexpressions temp.c archive1.tar.gz candy destructo.sh hi.s newdirectory scriptrgex.sh tmp archive2.zip closet dl in program soaringeagle.sh wildcards lab46:~$ cat courses lyrics.mp30000644000177400017500000000125511647655460011637 0ustar wedgelairPK VS?the answer.txt/UT ÓZNiVNux üèPNS?F£Oüthe answer.txt/logoutUT ÄZN±XNux üè½RKNÃP Üç,ª(TBB,Ø¡ÞB>mPúå¥-pzÆãD ²ûù?¶S¤ R"þÐáZüNè©pÀH>òÝÔ ÷hPË~ÆZ¶wçÌsèmÚ=TlQlºûfíNH ÷Éirñ@«ë3\èUÎbÏô;PºålI¯äÃß`"¼tÁW}^`øFã -OíKu~A¯tâÚã1$Ç[h W[AMg<qô62+¿f¤,è3GeU-î5ßÿ&s´=M(JYpOÊÃ?{O)ÓFlK ÚëÈÖ7^á¯ÊqäiáómÙ`J~vy[juYµ5òÙÓI#ç{ §^üöìb6xäÖVì%òóó#eÅu\Nm-_PK VS?íAthe answer.txt/UTÓZNux üèPNS?F£OüíIthe answer.txt/logoutUTÄZNux üèPK°çlab46:~$ 1;2c1;2c1;2c^C lab46:~$ file courses courses: POSIX tar archive (GNU) lab46:~$ ta -zxvf courses -bash: ta: command not found lab46:~$ mv courses courses.tar lab46:~$ ta -zxvf courses.tar -bash: ta: command not found lab46:~$ tar -zxvf courses.tar gzip: stdin: not in gzip format tar: Child returned status 1 tar: Error is not recoverable: exiting now lab46:~$ mv courses.tar courses.tar.gz lab46:~$ tar -zxvf courses.tar.gz gzip: stdin: not in gzip format tar: Child returned status 1 tar: Error is not recoverable: exiting now lab46:~$ mv courses.tar.gz courses lab46:~$ man tar lab46:~$ tar -x courses lab46:~$ tar -t courses lab46:~$ ls Harchives.tar.bz2 archivees cmdcprog.c exper irc program.c soaringeagle1.sh Maildir archives contact.info.save hey killerwasp.sh pss src a.out bin courses hi lab1a.text public_html temp addscr.sh botopen data hi.c motd regularexpressions temp.c archive1.tar.gz candy destructo.sh hi.s newdirectory scriptrgex.sh tmp archive2.zip closet dl in program soaringeagle.sh wildcards lab46:~$ file courses courses: POSIX tar archive (GNU) lab46:~$ tar -xvf courses lyrics.mp3 lab46:~$ file lyrics.mp3 lyrics.mp3: Zip archive data, at least v1.0 to extract lab46:~$ unzip lyrics.mp3 Archive: lyrics.mp3 creating: the answer.txt/ inflating: the answer.txt/logout lab46:~$ ls Harchives.tar.bz2 archivees cmdcprog.c exper irc program soaringeagle.sh tmp Maildir archives contact.info.save hey killerwasp.sh program.c soaringeagle1.sh wildcards a.out bin courses hi lab1a.text pss src addscr.sh botopen data hi.c lyrics.mp3 public_html temp archive1.tar.gz candy destructo.sh hi.s motd regularexpressions temp.c archive2.zip closet dl in newdirectory scriptrgex.sh the answer.txt lab46:~$ the answer.txt -bash: the: command not found lab46:~$ cd the answer.txt -bash: cd: the: No such file or directory lab46:~$ file the answer.txt the: ERROR: cannot open `the' (No such file or directory) answer.txt: ERROR: cannot open `answer.txt' (No such file or directory) lab46:~$ cat the answer.txt cat: the: No such file or directory cat: answer.txt: No such file or directory lab46:~$ mv the answer.txt theanswer.txt mv: target `theanswer.txt' is not a directory lab46:~$ cat 'the answer.txt' cat: the answer.txt: Is a directory lab46:~$ cd 'the answer.txt' lab46:~/the answer.txt$ ls logout lab46:~/the answer.txt$ cat logout *^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^ *^,^!^x^o^b^e^l^z^z^u^p^,^e^h^t^,^t^u^o^,^d^e^r^u^g^i^f^,^e^v^'^u^o^Y^,^!^s^n^o^i^t^a^l^u^t^a^r^g^n^o^C^,^*^ *^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^ r^u^o^y^,^o^t^,^e^l^i^f^,^s^i^h^t^,^l^i^a^m^-^e^,^s^i^,^w^o^n^,^o^d^,^o^t^,^e^v^a^h^,^u^o^y^,^l^l^A^,^,^ h^s^i^n^i^f^,^e^s^r^u^o^c^,^f^o^,^d^n^a^(^,^t^n^u^o^c^c^a^,^6^4^b^a^l^,^s^'^r^o^t^c^u^r^t^s^n^i^,^,^ .^)^o^i^l^o^f^t^r^o^p^,^r^u^o^y^,^n^o^,^t^c^e^j^o^r^p^,^r^u^o^y^,^p^u^,^g^n^i^t^i^r^w^,^,^ o^t^,^d^e^s^u^,^u^o^y^,^s^n^o^i^t^a^t^n^a^c^n^i^,^d^n^a^,^s^d^n^a^m^m^o^c^,^c^i^f^i^c^e^p^s^,^e^h^t^,^n^o^,^t^r^o^p^e^R^,^:^o^s^l^A^,^,^ .^m^r^o^f^,^e^l^b^a^d^a^e^r^,^y^l^l^u^f^,^n^i^,^e^g^a^s^s^e^m^,^s^i^h^t^,^n^i^a^t^b^o^,^,^ *^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^ r^e^v^(^1^)^%^i^s^%^a^%^n^i^f^t^y^%^c^o^m^m^a^n^d^.^ lab46:~/the answer.txt$ ./logout ./logout: line 1: *^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^: command not found ./logout: line 5: *^,^!^x^o^b^e^l^z^z^u^p^,^e^h^t^,^t^u^o^,^d^e^r^u^g^i^f^,^e^v^^u^o^Y^,^!^s^n^o^i^t^a^l^u^t^a^r^g^n^o^C^,^*^ *^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^ r^u^o^y^,^o^t^,^e^l^i^f^,^s^i^h^t^,^l^i^a^m^-^e^,^s^i^,^w^o^n^,^o^d^,^o^t^,^e^v^a^h^,^u^o^y^,^l^l^A^,^,^ h^s^i^n^i^f^,^e^s^r^u^o^c^,^f^o^,^d^n^a^(^,^t^n^u^o^c^c^a^,^6^4^b^a^l^,^s^^r^o^t^c^u^r^t^s^n^i^,^,^: command not found ./logout: line 6: syntax error near unexpected token `)' ./logout: line 6: `.^)^o^i^l^o^f^t^r^o^p^,^r^u^o^y^,^n^o^,^t^c^e^j^o^r^p^,^r^u^o^y^,^p^u^,^g^n^i^t^i^r^w^,^,^' lab46:~/the answer.txt$ file logout logout: ASCII text lab46:~/the answer.txt$ man What manual page do you want? lab46:~/the answer.txt$ man sed lab46:~/the answer.txt$ sed ^ logout sed: -e expression #1, char 1: unknown command: `^' lab46:~/the answer.txt$ sed '^' logout sed: -e expression #1, char 1: unknown command: `^' lab46:~/the answer.txt$ sed ^' logout > > ^C lab46:~/the answer.txt$ sed '^' logout^C lab46:~/the answer.txt$ sed ^' logout ^C lab46:~/the answer.txt$ sed "^" logout sed: -e expression #1, char 1: unknown command: `^' lab46:~/the answer.txt$ cat logout | sed ^ sed: -e expression #1, char 1: unknown command: `^' lab46:~/the answer.txt$ cd lab46:~$ ls Harchives.tar.bz2 archivees cmdcprog.c exper irc program soaringeagle.sh tmp Maildir archives contact.info.save hey killerwasp.sh program.c soaringeagle1.sh wildcards a.out bin courses hi lab1a.text pss src addscr.sh botopen data hi.c lyrics.mp3 public_html temp archive1.tar.gz candy destructo.sh hi.s motd regularexpressions temp.c archive2.zip closet dl in newdirectory scriptrgex.sh the answer.txt lab46:~/the answer.txt$ cat logout | sed 's/\^//g' ******************************************************* *,!xobelzzup,eht,tuo,derugif,ev'uoY,!snoitalutargnoC,* ******************************************************* ruoy,ot,elif,siht,liam-e,si,won,od,ot,evah,uoy,llA,, hsinif,esruoc,fo,dna(,tnuocca,64bal,s'rotcurtsni,, .)oiloftrop,ruoy,no,tcejorp,ruoy,pu,gnitirw,, ot,desu,uoy,snoitatnacni,dna,sdnammoc,cificeps,eht,no,tropeR,:oslA,, .mrof,elbadaer,ylluf,ni,egassem,siht,niatbo,, ******************************************************* rev(1)%is%a%nifty%command. lab46:~/the answer.txt$ man rev lab46:~/the answer.txt$ cat logout | sed 's/\^//g' | rev logout ^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^* ^*^,^C^o^n^g^r^a^t^u^l^a^t^i^o^n^s^!^,^Y^o^u^'^v^e^,^f^i^g^u^r^e^d^,^o^u^t^,^t^h^e^,^p^u^z^z^l^e^b^o^x^!^,^* ^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^* ^,^,^A^l^l^,^y^o^u^,^h^a^v^e^,^t^o^,^d^o^,^n^o^w^,^i^s^,^e^-^m^a^i^l^,^t^h^i^s^,^f^i^l^e^,^t^o^,^y^o^u^r ^,^,^i^n^s^t^r^u^c^t^o^r^'^s^,^l^a^b^4^6^,^a^c^c^o^u^n^t^,^(^a^n^d^,^o^f^,^c^o^u^r^s^e^,^f^i^n^i^s^h ^,^,^w^r^i^t^i^n^g^,^u^p^,^y^o^u^r^,^p^r^o^j^e^c^t^,^o^n^,^y^o^u^r^,^p^o^r^t^f^o^l^i^o^)^. ^,^,^A^l^s^o^:^,^R^e^p^o^r^t^,^o^n^,^t^h^e^,^s^p^e^c^i^f^i^c^,^c^o^m^m^a^n^d^s^,^a^n^d^,^i^n^c^a^n^t^a^t^i^o^n^s^,^y^o^u^,^u^s^e^d^,^t^o ^,^,^o^b^t^a^i^n^,^t^h^i^s^,^m^e^s^s^a^g^e^,^i^n^,^f^u^l^l^y^,^r^e^a^d^a^b^l^e^,^f^o^r^m^. ^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^* ^.^d^n^a^m^m^o^c^%^y^t^f^i^n^%^a^%^s^i^%^)^1^(^v^e^r lab46:~/the answer.txt$ cat logout | rev | sed 's/\^//g' | sed 's/,/ /g' ******************************************************* * Congratulations! You've figured out the puzzlebox! * ******************************************************* All you have to do now is e-mail this file to your instructor's lab46 account (and of course finish writing up your project on your portfolio). Also: Report on the specific commands and incantations you used to obtain this message in fully readable form. ******************************************************* .dnammoc%ytfin%a%si%)1(ver lab46:~/the answer.txt$ cat logout | rev | sed 's/\^//g' | sed 's/,/ /g' > ~/Puzzlewin lab46:~/the answer.txt$ cd lab46:~$ ls Harchives.tar.bz2 archive2.zip closet dl in newdirectory scriptrgex.sh the answer.txt Maildir archivees cmdcprog.c exper irc program soaringeagle.sh tmp Puzzlewin archives contact.info.save hey killerwasp.sh program.c soaringeagle1.sh wildcards a.out bin courses hi lab1a.text pss src addscr.sh botopen data hi.c lyrics.mp3 public_html temp archive1.tar.gz candy destructo.sh hi.s motd regularexpressions temp.c
First step i went to the directory to where the file “courses.html was located”. Second i used the file command to see what kind of file it was, it happened to be a gzip file. Then in orderto change it ( i had to change the extension to gz to decompress it or extract the contents in anyway) i moved it into my home directory so i had permissions to mess with it. then when i decompressed it it turned into “courses”. I used the file command and it was a tar archive. so i used the tar command to recieve the contents lyrics.mp3. I used file again to see it was a zip file and i unzipped it to get an directory named “the answers.txt” so i go into that directory (surrounded by single qoutes because of the space) and i get the executable file “logout”. I open it up and get a mess of kind of visible message. So iused the sed command to replace the carrot's (^) and the comma's and i used the rev command to flip the words around. Then wallah i get the message! I then save it into a new file into my home directory so i can email it.
Reflection
It helped me reinforce that i knew how to use certain commands and decompress files files. Some of it confused for a little bit like when a gzip file had a different exetension but that wasnt hard to get around. All in all, it was a fairly easy project, as long as you know what you are doing.
References
In performing this project, the following resources were referenced:
- http://google.com (for help with general commands, could have used man pages but didnt lol)
user/dgirard3/portforlio/puzzle.txt · Last modified: 2011/10/25 20:02 by dgirard3
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