[mango/django] Add mango-password-reset C setuid wrapper

[Olav Vitters <ovitters src gnome org>]

commit b4c0068bdc3de1ba934827d0bf566a0e7625ceea
Author: Olav Vitters <olav bkor dhs org>
Date:   Tue Jan 19 23:34:34 2010 +0100

    Add mango-password-reset C setuid wrapper

 mango/mango-passwd-reset.c |   38 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)
---
diff --git a/mango/mango-passwd-reset.c b/mango/mango-passwd-reset.c
new file mode 100644
index 0000000..f11b2ae
--- /dev/null
+++ b/mango/mango-passwd-reset.c
@@ -0,0 +1,38 @@
+
+/* Written by Tobias Mueller <muelli cryptobitch de>
+ * for use by Mango
+ *
+ * compile using: gcc mango-passwd-reset.c -o mango-passwd-reset
+ */
+
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+static const char program[] = "/usr/local/bin/mango-passwd-reset";
+/* Testscript containing "env" static const char program[] =
+"/tmp/env.sh"; */
+
+static const char* environment[] = {"bar=baz", NULL};
+
+int
+main (int argc, char* argv[]) {
+	uid_t real, effective, saved;
+	char buf[1024]; /* Assumed to be sufficient */
+
+	if (getresuid (&real, &effective, &saved) < 0) {
+		fprintf (stdout, "getresuid()\n");
+		exit (EXIT_FAILURE);
+	}
+	if (snprintf (buf, sizeof(buf), "%d", real) < 0) {
+		fprintf (stdout, "snprintf()\n");
+		exit (EXIT_FAILURE);
+	}
+
+	execle (program, buf, NULL, environment);
+	/* Not reached */
+	return errno;
+}
+