Vendor import of Solar Designer's pam_passwdqc module.

1 files changed, 28 insertions, 0 deletions

diff --git a/contrib/pam_modules/pam_passwdqc/pam_macros.h b/contrib/pam_modules/pam_passwdqc/pam_macros.h
new file mode 100644
index 0000000..adc04bc
--- /dev/null
+++ b/contrib/pam_modules/pam_passwdqc/pam_macros.h
@@ -0,0 +1,28 @@
+/*
+ * These macros are partially based on Linux-PAM's <security/_pam_macros.h>,
+ * which were organized by Cristian Gafton and I believe are in the public
+ * domain.
+ */
+
+#if !defined(_PAM_MACROS_H) && !defined(_pam_overwrite)
+#define _PAM_MACROS_H
+
+#include <string.h>
+#include <stdlib.h>
+
+#define _pam_overwrite(x) \
+	memset((x), 0, strlen((x)))
+
+#define _pam_drop_reply(/* struct pam_response * */ reply, /* int */ replies) \
+do { \
+	int i; \
+\
+	for (i = 0; i < (replies); i++) \
+	if ((reply)[i].resp) { \
+		_pam_overwrite((reply)[i].resp); \
+		free((reply)[i].resp); \
+	} \
+	if ((reply)) free((reply)); \
+} while (0)
+
+#endif