1 files changed, 62 insertions, 0 deletions
diff --git a/lib/libpam/libpam/pam_debug_log.c b/lib/libpam/libpam/pam_debug_log.c
new file mode 100644
index 0000000..c3fe8e3
--- /dev/null
+++ b/lib/libpam/libpam/pam_debug_log.c
@@ -0,0 +1,62 @@
+/*-
+ * Copyright 2001 Mark R V Murray
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <libgen.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <security/pam_appl.h>
+#include <security/openpam.h>
+#include <security/pam_mod_misc.h>
+
+/* Print a verbose error, including the function name and a
+ * cleaned up filename.
+ */
+void
+_pam_verbose_error(pam_handle_t *pamh, int flags,
+    const char *file, const char *function, const char *format, ...)
+{
+	va_list ap;
+	char *fmtbuf, *modname, *period;
+
+	if (!(flags & PAM_SILENT) && !openpam_get_option(pamh, "no_warn")) {
+		modname = basename(file);
+		period = strchr(modname, '.');
+		if (period == NULL)
+			period = strchr(modname, '\0');
+		va_start(ap, format);
+		asprintf(&fmtbuf, "%.*s: %s: %s\n", (int)(period - modname),
+		    modname, function, format);
+		pam_verror(pamh, fmtbuf, ap);
+		free(fmtbuf);
+		va_end(ap);
+	}
+}