From 9fae323d8bfd704caf16ace2e56f62d104f40458 Mon Sep 17 00:00:00 2001
From: your-favorite-hacker <dash@hack4.org>
Date: Fri, 5 Jun 2015 12:00:00 +0200
Subject: [PATCH] added fun dir + kldcommander

---
 .gitmodules                |  3 ++
 fun/kldcommander/Makefile  |  4 ++
 fun/kldcommander/kldhook.c | 87 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 94 insertions(+)
 create mode 100644 fun/kldcommander/Makefile
 create mode 100644 fun/kldcommander/kldhook.c

diff --git a/.gitmodules b/.gitmodules
index cb4096e..280d929 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "keylog"]
 	path = keylog
 	url = https://github.com/your-favorite-hacker/FreeBSD/keylog
+[submodule "fun"]
+	path = fun
+	url = https://github.com/your-favorite-hacker/FreeBSD/fun
diff --git a/fun/kldcommander/Makefile b/fun/kldcommander/Makefile
new file mode 100644
index 0000000..f56ae02
--- /dev/null
+++ b/fun/kldcommander/Makefile
@@ -0,0 +1,4 @@
+SRCS=vnode_if.h kldhook.c
+KMOD=kldhook
+
+.include <bsd.kmod.mk>
diff --git a/fun/kldcommander/kldhook.c b/fun/kldcommander/kldhook.c
new file mode 100644
index 0000000..d3400cb
--- /dev/null
+++ b/fun/kldcommander/kldhook.c
@@ -0,0 +1,87 @@
+/* 	
+	kldcommander fun module, replace kernel entry and size
+	tested on FreeBSD 9.3
+	by dash
+
+*/
+#include <sys/types.h>
+#include <sys/sysent.h>
+#include <sys/syscall.h>
+#include <sys/uio.h>
+#include <sys/syscallsubr.h>
+#include <sys/limits.h>
+#include <sys/param.h>
+#include <sys/module.h>
+#include <sys/kernel.h>
+#include <sys/systm.h>
+#include <sys/pcpu.h>
+#include <sys/proc.h>
+#include <sys/syscallsubr.h>
+#include <sys/fcntl.h>
+#include <sys/file.h>
+#include <sys/sysproto.h>
+#include <sys/linker.h>
+#include <sys/cdefs.h>
+#include <sys/libkern.h>
+
+static int kldstat_hook(struct thread *td, struct kldstat_args *uap)
+{
+        struct kld_file_stat stat;
+        int error, version;
+	char newmod[32];
+	long elite = 4919;
+	bzero(newmod,sizeof(newmod));
+	strncpy(newmod,"commander\x00",10);
+        /*
+         * Check the version of the user's structure.
+         */
+        if ((error = copyin(&uap->stat->version, &version, sizeof(version)))
+            != 0)
+                return (error);
+        if (version != sizeof(struct kld_file_stat_1) &&
+            version != sizeof(struct kld_file_stat))
+                return (EINVAL);
+
+        error = kern_kldstat(td, uap->fileid, &stat);
+        if (error != 0)
+                return (error);
+	// lets replace some things :>
+	if(strcmp(stat.name,"kernel")==0){
+	bzero(stat.name,sizeof(stat.name));
+	strncpy(stat.name,newmod,strlen(newmod));
+	stat.size = elite;
+	}
+	return (copyout(&stat, uap->stat, version));
+}
+ 
+static int load_handler(module_t mod, int what, void *arg)
+{
+		int err = 0;
+
+		switch(what)
+		{
+		case MOD_LOAD:
+			sysent[SYS_kldstat].sy_call = (sy_call_t *)kldstat_hook;
+			break;
+
+		case MOD_UNLOAD:
+			sysent[SYS_kldstat].sy_call = (sy_call_t *)sys_kldstat;
+			break;
+
+		default:
+			err = EINVAL;
+			break;
+		}
+
+		return(err);
+}
+
+// a struct that holds basic data on the module
+static moduledata_t kldstat_mod =
+{
+		"stater",
+		load_handler,
+		NULL
+};
+
+DECLARE_MODULE(stater, kldstat_mod, SI_SUB_KLD, SI_ORDER_ANY);