123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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// Local Includes
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#include "httpStruct.h"
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#include "socketHelp.h"
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#define PORT 8080
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int parseHTTPRequest(char buffer[], struct HTTPRequest *r) {
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char temp[1];
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char *token;
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int line = 0;
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char * checkLine;
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checkLine = malloc(1000);
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for (int i = 0; i < strlen(buffer); i++) {
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temp[0] = buffer[i];
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if ((!strcmp(temp, "\n")) && (i != 0)) {
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// Config Check
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if (line == 0) {
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token = strtok(checkLine, " ");
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// HTTP Request Type
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if (!strcmp(token, "GET")) {
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// Grabbing HTTP Request Type
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r->requestType = malloc(strlen(token));
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strcpy(r->requestType, token);
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// Grabbing HTTP Request Dir
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token = strtok(NULL, " ");
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r->requestDir = malloc(strlen(token));
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strcpy(r->requestDir, token);
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// Grabbing HTTP Request Version
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token = strtok(NULL, "");
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r->requestVersion = malloc(strlen(token));
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strcpy(r->requestVersion, token);
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} else {
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return 1;
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}
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} else {
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token = strtok(checkLine, ":");
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// Host Check
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if (!strcmp(token, "Host")) {
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token = strtok(NULL, "");
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r->requestHost = malloc(strlen(token));
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strcpy(r->requestHost, token);
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}
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// Reset checkline
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}
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if (strlen(checkLine) > 0) {
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// Clear checkLine
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memset(checkLine,0,strlen(checkLine));
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}
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line++;
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} else {
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strcat(checkLine, temp);
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}
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}
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free(checkLine);
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return 0;
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}
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int returnRequest(int socket, char *message) {
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send(socket, message, strlen(message), 0);
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return 0;
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}
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int return200Request(int socket) {
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char *message = "HTTP/1.1 200 OK\nContent-Length: 6\nConnection: close\n\nhello\n";
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return returnRequest(socket, message);
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}
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int return404Request(int socket) {
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char *message = "HTTP/1.1 404 Not Found\nContent-Length: 12\nConnection: close\n\n404 Request\n";
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return returnRequest(socket, message);
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}
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int handleRequest(char buffer[], int socket) {
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struct HTTPRequest r; // Holds relevant HTTP request information
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int checkerr = 0;
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// Grabbing relevant information out of request
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checkerr = parseHTTPRequest(buffer, &r);
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if (checkerr != 0) { // Checking for HTTP parsing error
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perror("Badness!!!");
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return return404Request(socket);
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}
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// Return response to socket
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return200Request(socket);
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return 0;
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}
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int main(int argc, char const *argv[]) {
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struct sockaddr_in address;
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int server_fd, new_socket;
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int checkerr = 0;
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int addrlen = sizeof(address);
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char buffer[1024] = {};
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checkerr = createSocket(PORT, &server_fd, &address, &addrlen);
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if (checkerr != 0) {
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perror("Error creating socket");
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exit(EXIT_FAILURE);
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}
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// Handle incoming requests
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while(1) {
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if ((new_socket = accept(server_fd, (struct sockaddr *)&address,
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(socklen_t *)&addrlen))<0) {
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perror("Accept connection error");
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exit(EXIT_FAILURE);
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}
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read(new_socket, buffer, 1024);
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handleRequest(buffer, new_socket);
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}
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exit(EXIT_SUCCESS);
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}
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