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Write a client and a server that permit the client to execute arbitrary shell commands on the server host. (If you don't implement any security mechanism in this application, you should ensure that the server is operating under a user account where it can do no damage if invoked by malicious users.) The client should be executed with two command-line argumentAfter connecting to the server, the client sends the given command to the server, and then closes its writing half of the socket using shutdown(), so that the server sees end-of-file. The server should handle each incoming connection in a separate child process (i.e., a concurrent design). For each incoming connection, the server should read the command from the socket (until end-of-file), and then exec a shell to perform the command. Here are a couple hints:
See the implementation of system() in Section 27.7 for an example of how to execute a shell command. By using dup2() to duplicate the socket on standard output and standard error, the execed command will automatically write to the socket.
Write a program that can read an indefinite number of lines of VB.NET code and store reserved words in one linked list and identifiers and literals in another linked list. W
Database solutions today must be able to adapt and integrate among various computing applications. Determine at least three forms of database connectivity methods that ca
The inner loop of the cubic maximum subsequence sum algorithm performs N(N+1)(N+2)/6 iterations of the innermost code. The quadratic version performs N(N + 1)/2 iterations.
The assignment subject is about System security which should be done in the Linux environment and should be in details according to the criteria given, there should not be a
Write a program that allows users to enter the last names of five candidates in a local election and the number of votes received by each candidate. The program should then ou
Determine the thermal efficiency of this cycle as a function of the compressor pressure ratio and the high-pressure turbine to compressor inlet temperature ratio. Compare yo
Suppose you want to use a stored procedure to store a new row in COMPUTER. List the minimum list of parameters that need to be in the procedure. Describe, in general terms,
Suppose further that a friend of yours is guessing that if the winning candidate gets more than 40% of the votes, then his or her name will be encoded with a single bit. Pro
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