1 files changed, 69 insertions, 0 deletions
diff --git a/plugins/sudoers/sudo_printf.c b/plugins/sudoers/sudo_printf.c
new file mode 100644
index 0000000..5f07162
--- /dev/null
+++ b/plugins/sudoers/sudo_printf.c
@@ -0,0 +1,69 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2010-2012 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * This is an open source non-commercial project. Dear PVS-Studio, please check it.
+ * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+
+#include "sudo_compat.h"
+#include "sudo_plugin.h"
+#include "sudo_debug.h"
+#include "pathnames.h"
+
+static int
+sudo_printf_int(int msg_type, const char *fmt, ...)
+{
+    FILE *fp = stdout;
+    FILE *ttyfp = NULL;
+    va_list ap;
+    int len;
+
+    if (ISSET(msg_type, SUDO_CONV_PREFER_TTY)) {
+	/* Try writing to /dev/tty first. */
+	ttyfp = fopen(_PATH_TTY, "w");
+    }
+
+    switch (msg_type & 0xff) {
+    case SUDO_CONV_ERROR_MSG:
+	fp = stderr;
+	FALLTHROUGH;
+    case SUDO_CONV_INFO_MSG:
+	va_start(ap, fmt);
+	len = vfprintf(ttyfp ? ttyfp : fp, fmt, ap);
+	va_end(ap);
+	break;
+    default:
+	len = -1;
+	errno = EINVAL;
+	break;
+    }
+
+    if (ttyfp != NULL)
+	fclose(ttyfp);
+
+    return len;
+}
+
+sudo_printf_t sudo_printf = sudo_printf_int;