Patch to allow csrutil enable/disable without Recovery OS

LinusHenze · Mar 24, 2016 · 1a34f03 · 1a34f03
1 parent 78c3ee6
commit 1a34f03
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diff --git a/Unrootless/Unrootless.c b/Unrootless/Unrootless.c
@@ -133,6 +133,12 @@ static int sysctl_rootless_disabled_func SYSCTL_HANDLER_ARGS {
 
 static int sysctl_rootless_csrFlags SYSCTL_HANDLER_ARGS {
     csr_flags = csr_flags & CSR_VALID_FLAGS;
+    boot_args *args = (boot_args*) PE_state_loc->bootArgs;
+    if (csr_flags & CSR_ALLOW_DEVICE_CONFIGURATION) { // Allow using csrutil enable/disable
+        args->flags |= kBootArgsFlagCSRConfigMode;
+    } else {
+        args->flags &= ~(kBootArgsFlagCSRConfigMode);
+    }
     setCSR(1); // Value doesn't care...
 
     return sysctl_handle_int( oidp, oidp->oid_arg1 , oidp->oid_arg2 , req );

diff --git a/Unrootless/csr.h b/Unrootless/csr.h
@@ -32,6 +32,8 @@ typedef struct PE_state {
 #endif
 } PE_state_t;
 
+#define kBootArgsFlagCSRConfigMode	(1 << 4)
+
 PE_state_t *PE_state_loc = NULL;
 
 #define BOOT_LINE_LENGTH        1024