From e45a0409039032c74b3aa851eb308a541264adcd Mon Sep 17 00:00:00 2001
From: cbdev <cb@cbcdn.com>
Date: Fri, 28 Mar 2025 11:29:30 +0100
Subject: Initial status

---
 .gitignore  |  2 ++
 Makefile    | 13 +++++++++++++
 slowloris.c | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100644 slowloris.c

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c4d7ffa
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.so
+*.swp
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..fa8e2fb
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,13 @@
+CFLAGS += -fPIC
+LDFLAGS += -shared
+LDLIBS += -ldl
+
+%.so :: %.c
+	$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS) $(LDLIBS)
+
+slowloris.so: slowloris.c
+
+all: slowloris.so
+
+clean:
+	$(RM) slowloris.so
diff --git a/slowloris.c b/slowloris.c
new file mode 100644
index 0000000..b4a7ac1
--- /dev/null
+++ b/slowloris.c
@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <sys/socket.h>
+#include <dlfcn.h>
+#include <netinet/tcp.h>
+#include <netinet/in.h>
+
+int socket(int domain, int type, int protocol){
+	static int (*real_socket) (int, int, int) = NULL;
+	if(!real_socket){
+		real_socket = dlsym(RTLD_NEXT, "socket");
+	}
+
+	int fd = real_socket(domain, type, protocol);
+	int enable = 1;
+
+	if(domain == AF_INET && type == SOCK_STREAM){
+		setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &enable, sizeof(enable));
+	}
+	return fd;
+}
+
+ssize_t send(int sockfd, const void* buf, size_t len, int flags){
+	static ssize_t (*real_send) (int, void*, size_t, int) = NULL;
+	if(!real_send){
+		real_send = dlsym(RTLD_NEXT, "send");
+	}
+
+	ssize_t rv = 0;
+
+	for(size_t u = 0; u < len; u++){
+		ssize_t sent = real_send(sockfd, buf + u, 1, flags);
+		if(sent < 0){
+			return 1;
+		}
+		rv += sent;
+	}
+	return rv;
+}
-- 
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