From a5a04ef3de6ad3f81d37a04fede23eb3b4b348b1 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Wed, 18 Nov 2020 17:53:31 +0100
Subject: Added browser and many networking things

---
 apps/Makefile  |  2 +-
 apps/browser.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 apps/init.c    |  8 -------
 3 files changed, 74 insertions(+), 9 deletions(-)
 create mode 100644 apps/browser.c

(limited to 'apps')

diff --git a/apps/Makefile b/apps/Makefile
index fd7cc99..ea212d9 100644
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -1,6 +1,6 @@
 # MIT License, Copyright (c) 2020 Marvin Borner
 
-COBJS = init.o wm.o mandelbrot.o window.o exec.o files.o test.o cc.o
+COBJS = init.o wm.o mandelbrot.o window.o exec.o files.o test.o cc.o browser.o
 CC = ccache ../cross/opt/bin/i686-elf-gcc
 LD = ccache ../cross/opt/bin/i686-elf-ld
 OC = ccache ../cross/opt/bin/i686-elf-objcopy
diff --git a/apps/browser.c b/apps/browser.c
new file mode 100644
index 0000000..68a61c1
--- /dev/null
+++ b/apps/browser.c
@@ -0,0 +1,73 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#include <conv.h>
+#include <def.h>
+#include <gfx.h>
+#include <gui.h>
+#include <input.h>
+#include <mem.h>
+#include <net.h>
+#include <print.h>
+#include <str.h>
+
+static struct element *root;
+static struct element *output;
+
+char *http_get(char *url)
+{
+	char *query = malloc(27 + strlen(url)); // TODO: Dynamic http length etc
+	query[0] = '\0';
+	strcat(query, "GET / HTTP/1.1\r\nHost: ");
+	strcat(query, url);
+	strcat(query, "\r\n\r\n");
+	return query;
+}
+
+// Temporary: Will be moved to libnet
+char **dns_split(char *url, char **buf)
+{
+	strchr(url, '.')[0] = '\0';
+	char *first = url;
+	char *second = url + strlen(url) + 1;
+	buf[0] = first;
+	buf[1] = second;
+
+	return buf;
+}
+
+void on_submit(void *event, struct element *box)
+{
+	(void)event;
+	char *url = ((struct element_text_input *)box->data)->text;
+	char *query = http_get(url);
+	char *dns[2];
+	dns_split(url, dns);
+	struct element_text_box *l = output->data;
+
+	struct socket *socket = net_open(S_TCP);
+	if (socket && net_connect(socket, dns_request(dns[0], dns[1]), 80)) {
+		net_send(socket, query, strlen(query));
+		u8 buf[4096] = { 0 };
+		net_receive(socket, buf, 4096);
+		l->text = (char *)buf;
+		gui_sync(root, output);
+	} else {
+		print("Couldn't connect!\n");
+	}
+	/* net_close(socket); */ // TODO: Fix net close before FIN/ACK got ACK'ed
+}
+
+int main()
+{
+	root = gui_init("browser", 600, 400, COLOR_BG);
+	struct element *text_input =
+		gui_add_text_input(root, 10, 10, 580, FONT_24, COLOR_WHITE, COLOR_BLACK);
+	output = gui_add_text_box(root, 10, 50, 580, 340, FONT_24, "Enter URL and press Enter :)",
+				  COLOR_WHITE, COLOR_BLACK);
+
+	text_input->event.on_submit = on_submit;
+
+	gui_event_loop(root);
+
+	return 0;
+}
diff --git a/apps/init.c b/apps/init.c
index 234853f..3cb4527 100644
--- a/apps/init.c
+++ b/apps/init.c
@@ -15,13 +15,5 @@ int main(int argc, char **argv)
 	int wm = exec("/bin/wm", "wm", argv[1], NULL);
 	int exec = exec("/bin/exec", "test", NULL);
 
-	/* #define http_req "GET / HTTP/1.1\r\nHost: google.de\r\n\r\n" */
-	/* 	struct socket *socket = net_open(S_TCP); */
-	/* 	if (socket && net_connect(socket, ip(91, 89, 253, 227), 80)) */
-	/* 		net_send(socket, strdup(http_req), strlen(http_req)); */
-	/* 	else */
-	/* 		print("Couldn't connect!\n"); */
-	dns_request("google", "de");
-
 	return wm + exec;
 }
-- 
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