add fishlim plugin

1 files changed, 54 insertions, 0 deletions

diff --git a/plugins/fishlim/misc.c b/plugins/fishlim/misc.c
new file mode 100644
index 00000000..32fe3595
--- /dev/null
+++ b/plugins/fishlim/misc.c
@@ -0,0 +1,54 @@
+/*
+
+  Copyright (c) 2010 Samuel Lidén Borell <samuel@slbdata.se>
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
+
+*/
+
+#include <glib.h>
+#include <stdlib.h>
+#include <string.h>
+#include "misc.h"
+
+
+void secure_erase(void *ptr, size_t size) {
+    // "volatile" prevents this code from being optimized away
+    volatile char* volptr = ptr;
+    while (size--) *volptr++ = 0;
+}
+
+/**
+ * Re-allocates a string with the native allocator.
+ */
+char *import_glib_string(gchar *gstr) {
+    size_t size;
+    char *native;
+    if (g_mem_is_system_malloc()) return gstr;
+    
+    size = strlen(gstr)+1;
+    native = malloc(size);
+    memcpy(native, gstr, size);
+    
+    secure_erase(gstr, size);
+    g_free(gstr);
+    return native;
+}
+
+