#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<unistd.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<errno.h>
int
main()
{
int
sd,acpt,len,bytes,port;
char
send[50],receiv[50];
struct
sockaddr_in serv,cli;
if((sd=socket(AF_INET,SOCK_STREAM,0))<0)
{
printf("Error
in socket\n");
exit(0);
}
bzero(&serv,sizeof(serv));
printf("Enter
the port number : ");
scanf("%d",&port);
serv.sin_family=AF_INET;
serv.sin_port=htons(port);
serv.sin_addr.s_addr=htonl(INADDR_ANY);
if(bind(sd,(struct
sockaddr *)&serv,sizeof(serv))<0)
{
printf("Error
in bind\n");
exit(0);
}
if(listen(sd,3)<0)
{
printf("Error
in listen\n");
exit(0);
}
if((acpt=accept(sd,(struct
sockaddr*)NULL,NULL))<0)
{
printf("\n\t
Error in accept");
exit(0);
}
while(1)
{
bytes=recv(acpt,receiv,50,0);
receiv[bytes]='\0';
if(strcmp(receiv
,"end")==0)
{
close(acpt);
close(sd);
exit(0);
}
else
{
printf("Command
received : %s",receiv);
system(receiv);
printf("\n");
}
}
}
Client program
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<unistd.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<errno.h>
int
main()
{
int
sd,acpt,len,bytes,port;
char
send1[50],receiv[50];
struct
sockaddr_in serv,cli;
if((sd=socket(AF_INET,SOCK_STREAM,0))<0)
{
printf("Error
in socket\n");
exit(0);
}
bzero(&serv,sizeof(serv));
printf("Enter
the port number : ");
scanf("%d",&port);
serv.sin_family=AF_INET;
serv.sin_port=htons(port);
serv.sin_addr.s_addr=htonl(INADDR_ANY);
if(connect(sd,(struct
sockaddr *)&serv,sizeof(serv))<0)
{
printf("Error
in connection\n");
exit(0);
}
while(1)
{
printf("Enter
the command:");
gets(send1);
if(strcmp(send1,"end")!=0)
{
send(sd,send1,50,0);
}
else
{
send(sd,send1,50,0);
close(sd);
break;
}
}
}SERVER: OUTPUT
Enter the port number : 1027
Command received :
mkdir: cannot create directory `vinay': File exists
Command received : mkdir vinay
cs302 pts/75 Dec 30 09:48 (192.168.1.200)
Command received : who am i
\ client getname.c getpname2.c getsetsys.c remcotecom1.c server.c tcp.c tcpser.c udpclient.c udpserver.c
a.out client.c getpeername.c getpname.c getsocser.c remotecom.c syscal.c tcpc.c udpc.c udps.c vinay
Command received : ls
Mon Dec 30 10:39:43 IST 2019
Command received : date
December 2019
Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31
Command received : cal
What manual page do you want?
Command received : man
Command received : mkdir kum
\ client getname.c getpname2.c getsetsys.c kum remotecom.c syscal.c tcpc.c udpc.c udps.c vinay
a.out client.c getpeername.c getpname.c getsocser.c remcotecom1.c server.c tcp.c tcpser.c udpclient.c udpserver.c
Command received : ls
CLIENT:OUTPUT
Enter the port number : 1027
Enter the command:Enter the command:mkdir vinay
Enter the command:who am i
Enter the command:ls
Enter the command:date
Enter the command:cal
Enter the command:man
Enter the command:mkdir kum
Enter the command:ls
