ftp_server

#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <unistd.h>

int main(void)
{
    FILE *fp;
    char name[100],fileread[100],fname[100],ch,file[100],rcv[100];
    int n;
    int socket_desc, client_sock, client_size;
    struct sockaddr_in server_addr, client_addr;


    // Create socket:
    socket_desc = socket(AF_INET, SOCK_STREAM, 0);

    if(socket_desc < 0){
        printf("Error while creating socket\n");
        return -1;
    }
    printf("Socket created successfully\n");

    // Set port and IP:
    server_addr.sin_family = AF_INET;
    server_addr.sin_port = htons(2000);
    server_addr.sin_addr.s_addr = inet_addr("127.0.0.1");

    // Bind to the set port and IP:
    if(bind(socket_desc, (struct sockaddr*)&server_addr, sizeof(server_addr))<0){
        printf("Couldn't bind to the port\n");
        return -1;
    }
    printf("Done with binding\n");

    // Listen for clients:
    if(listen(socket_desc, 1) < 0){
        printf("Error while listening\n");
        return -1;
    }
    printf("\nListening for incoming connections.....\n");

    // Accept an incoming connection:
    client_size = sizeof(client_addr);
    client_sock = accept(socket_desc, (struct sockaddr*)&client_addr, &client_size);

    if (client_sock < 0){
        printf("Can't accept\n");
        return -1;
    }
    //printf("Client connected at IP: %s and port: %i\n", inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
    printf("Connection accepted\n");
    n=recv(client_sock,rcv,100,0);
    rcv[n]='\0';
    fp=fopen(rcv,"r");
    if(fp==NULL)
    {
                send(client_sock,"error",5,0);
                close(client_sock);
    }
    else
    {
        while(fgets(fileread,sizeof(fileread),fp))
        {
            if(send(client_sock,fileread,sizeof(fileread),0)<0)
            {
                printf("Can't send file contents\n");
            }
            sleep(1);
        }
        if(!fgets(fileread,sizeof(fileread),fp))
        {
            printf("Done..");
            send(client_sock,"completed",9,0);
        }
    }

    // Closing the socket:
    close(client_sock);
    close(socket_desc);

    return 0;
}