1 files changed, 87 insertions, 0 deletions
diff --git a/server.c b/server.c
new file mode 100644
index 0000000..07503e1
--- /dev/null
+++ b/server.c
@@ -0,0 +1,87 @@
+#include <asm-generic/socket.h>
+#include <errno.h>
+#include <netdb.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+int main(int argc, char **argv)
+{
+	struct addrinfo hints, *res, *servinfo;
+	struct sockaddr_storage their_addr;
+	socklen_t addr_size;
+	int sockfd, new_fd;
+	int yes = 1;
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = AF_INET; // use IPv4 or IPv6, whichever
+	hints.ai_socktype = SOCK_STREAM;
+	hints.ai_flags = AI_PASSIVE; // fill in my IP for me
+	getaddrinfo(NULL, argv[1], &hints, &res);
+
+	sockfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
+	if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) ==
+	    -1) {
+		perror("setsockopt");
+		exit(1);
+	}
+
+	if (bind(sockfd, res->ai_addr, res->ai_addrlen) == -1) {
+		perror("bind");
+		close(sockfd);
+		exit(1);
+	}
+
+	if (listen(sockfd, 10) == -1) {
+		perror("listen");
+		close(sockfd);
+		exit(1);
+	}
+
+	addr_size = sizeof(their_addr);
+
+	char buf[1024];
+	memset(buf, 0, 1024);
+	int recv_result;
+
+	while (1) {
+		new_fd = accept(sockfd, (struct sockaddr *)&their_addr,
+				&addr_size);
+		recv_result = recv(new_fd, (void *)buf, 1024, 0);
+		if (recv_result == -1) {
+			perror("recv");
+			return -1;
+		}
+
+		int sent_bytes = 0;
+
+		if (strncmp(buf, "GET", 3) == 0) {
+			char *http_status = "HTTP/1.1 200 OK\r\n";
+			char *http_content_type = "text/html\r\n\r\n";
+
+			printf("Received GET request.\n");
+			send(new_fd, http_status, strlen(http_status), 0);
+
+			send(new_fd, http_content_type,
+			     strlen(http_content_type), 0);
+
+			FILE *index_fd = fopen("./index.html", "r");
+			char c;
+			while ((c = getc(index_fd)) != EOF) {
+				send(new_fd, &c, 1, 0);
+			}
+		}
+
+		memset(buf, 0, 1024);
+		close(new_fd);
+	}
+
+	close(sockfd);
+	close(new_fd);
+
+	return 0;
+}