105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
#include "http.h"
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#include <strops.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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/* TODO: https://blog.netherlabs.nl/articles/2009/01/18/the-ultimate-so_linger-page-or-why-is-my-tcp-not-reliable */
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int http_init(int port, int connection_amount) {
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int ret;
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int server_sock = socket(AF_INET, SOCK_STREAM, 0);
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if (server_sock == -1) {
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perror("Couldn't create socket");
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return -1;
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}
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struct sockaddr_in server_addr;
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server_addr.sin_family = AF_INET;
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server_addr.sin_addr.s_addr = INADDR_ANY;
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server_addr.sin_port = htons(port);
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if (bind(server_sock, (struct sockaddr*)&server_addr, sizeof server_addr) == -1) {
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perror("Couldn't bind socket");
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return -1;
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}
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if (listen(server_sock, connection_amount) == -1) {
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perror("Cannot listen on socket");
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return -1;
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}
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return server_sock;
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}
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HTTP_Request* http_accept(int server) {
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int client_sock = accept(server, NULL, NULL);
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if (client_sock == -1) {
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perror("Couldn't connect to client");
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return NULL;
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}
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HTTP_Request *request = malloc(sizeof(HTTP_Request));
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request->client_sock = client_sock;
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/* TODO: Read entire message and parse into request struct */
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ssize_t bytes_read;
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size_t bufsize = 4096;
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char buf[bufsize];
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bytes_read = read(request->client_sock, buf, bufsize - 1);
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if (bytes_read == -1) {
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perror("Failed to read data");
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}
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/* TODO: read tmp line by line */
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char *tmp = strops_trim_left_string(buf, "\r\n");
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size_t lines_count = 0;
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size_t lines_capacity = 10;
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char **lines = malloc(lines_capacity * sizeof (char*));
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size_t i;
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while (strops_length(tmp) > 0) {
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char *line = malloc(strops_length(tmp));
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memset(line, 0, strops_length(tmp));
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for (i = 0; i < strops_length(tmp); i++) {
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if (tmp[i] == '\r' && tmp[i + 1] == '\n') {
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i += 2;
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break;
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}
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line[i] = tmp[i];
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}
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for (; i > 0; i--) {
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strops_remove_at_pos_char_inplace(tmp, 0);
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}
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if (lines_count >= lines_capacity) {
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lines_capacity *= 2;
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lines = realloc(lines, lines_capacity * sizeof (char*));
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}
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lines[lines_count] = line;
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lines_count++;
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}
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free(tmp);
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/* TODO: Parse lines */
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/* TODO: find suitable data structure for field-lines */
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/*
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request-line => method target version
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seperated by whitespace (SP)
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field-line => field-name:field-value
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seperated by a single colon => ':'
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field-value may have leading and trailing optionial whitespace (OWS)
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*/
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for (i = 0; i < lines_count; i++) {
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printf("%s\n", lines[i]);
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}
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/* TODO: remeber to delete this code after finishing parsing code */
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for (i = lines_count; i > 0; i--) {
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free(lines[i]);
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}
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free(lines);
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return request;
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}
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