From be1fa7dfe5d98cf636b8f54ea80152f47006203b Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Wed, 18 Nov 2020 22:12:40 +0100
Subject: HTTP and browser stuff

---
 libnet/Makefile   |  2 +-
 libnet/http.c     | 43 +++++++++++++++++++++++++++++++++++++++++++
 libnet/inc/http.h | 10 ++++++++++
 libnet/inc/net.h  |  1 +
 4 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 libnet/http.c
 create mode 100644 libnet/inc/http.h

(limited to 'libnet')

diff --git a/libnet/Makefile b/libnet/Makefile
index 507a564..95baa33 100644
--- a/libnet/Makefile
+++ b/libnet/Makefile
@@ -1,6 +1,6 @@
 # MIT License, Copyright (c) 2020 Marvin Borner
 
-COBJS = dns.o
+COBJS = dns.o http.o
 CC = ccache ../cross/opt/bin/i686-elf-gcc
 LD = ccache ../cross/opt/bin/i686-elf-ld
 AR = ccache ../cross/opt/bin/i686-elf-ar
diff --git a/libnet/http.c b/libnet/http.c
new file mode 100644
index 0000000..b1febbc
--- /dev/null
+++ b/libnet/http.c
@@ -0,0 +1,43 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#include <def.h>
+#include <mem.h>
+#include <print.h>
+#include <str.h>
+
+char *http_data(char *r)
+{
+	char *h = NULL;
+	for (u32 i = 0; i < strlen(r); ++i) {
+		if (r[i] == '\r' && r[i + 1] == '\n' && r[i + 2] == '\r' && r[i + 3] == '\n') {
+			h = &r[i + 4];
+			break;
+		}
+	}
+	return h;
+}
+
+char *http_code(char *r)
+{
+	char *code = malloc(4);
+	char tmp = r[12];
+	r[12] = '\0';
+	memcpy(code, r + 9, 3);
+	code[3] = '\0';
+	r[12] = tmp;
+	return code;
+}
+
+char *http_query_get(const char *url, const char *path)
+{
+	char *query = malloc(27 + strlen(url)); // TODO: Dynamic http length etc
+	query[0] = '\0';
+	strcat(query, "GET ");
+	if (path[0] != '/')
+		strcat(query, "/");
+	strcat(query, path);
+	strcat(query, " HTTP/1.1\r\nHost: ");
+	strcat(query, url);
+	strcat(query, "\r\n\r\n");
+	return query;
+}
diff --git a/libnet/inc/http.h b/libnet/inc/http.h
new file mode 100644
index 0000000..30de9ba
--- /dev/null
+++ b/libnet/inc/http.h
@@ -0,0 +1,10 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#ifndef HTTP_H
+#define HTTP_H
+
+char *http_data(char *response);
+char *http_query_get(const char *url, const char *path);
+char *http_code(char *r);
+
+#endif
diff --git a/libnet/inc/net.h b/libnet/inc/net.h
index fa4284c..6ff9619 100644
--- a/libnet/inc/net.h
+++ b/libnet/inc/net.h
@@ -3,6 +3,7 @@
 #ifndef NET_H
 #define NET_H
 
+#include <http.h>
 #include <socket.h>
 #include <sys.h>
 
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