Imported Upstream version 1.8.1p2

[debian/sudo] / plugins / sudoers / plugin_error.c

diff --git a/plugins/sudoers/plugin_error.c b/plugins/sudoers/plugin_error.c
new file mode 100644 (file)
index 0000000..2d42871
--- /dev/null
+++ b/plugins/sudoers/plugin_error.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2004-2005, 2010 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * 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.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <setjmp.h>
+
+#include "missing.h"
+#include "alloc.h"
+#include "error.h"
+#include "sudo_plugin.h"
+
+static void _warning(int, const char *, va_list);
+       void plugin_cleanup(int);
+
+sigjmp_buf error_jmp;
+
+extern sudo_conv_t sudo_conv;
+
+void
+error(int eval, const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    _warning(1, fmt, ap);
+    va_end(ap);
+    plugin_cleanup(0);
+    siglongjmp(error_jmp, eval);
+}
+
+void
+errorx(int eval, const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    _warning(0, fmt, ap);
+    va_end(ap);
+    plugin_cleanup(0);
+    siglongjmp(error_jmp, eval);
+}
+
+void
+warning(const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    _warning(1, fmt, ap);
+    va_end(ap);
+}
+
+void
+warningx(const char *fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    _warning(0, fmt, ap);
+    va_end(ap);
+}
+
+static void
+_warning(int use_errno, const char *fmt, va_list ap)
+{
+    struct sudo_conv_message msg[6];
+    struct sudo_conv_reply repl[6];
+    char *str;
+    int nmsgs = 4;
+
+    evasprintf(&str, fmt, ap);
+
+    /* Call conversation function */
+    memset(&msg, 0, sizeof(msg));
+    msg[0].msg_type = SUDO_CONV_ERROR_MSG;
+    msg[0].msg = getprogname();
+    msg[1].msg_type = SUDO_CONV_ERROR_MSG;
+    msg[1].msg = ": ";
+    msg[2].msg_type = SUDO_CONV_ERROR_MSG;
+    msg[2].msg = str;
+    if (use_errno) {
+       msg[3].msg_type = SUDO_CONV_ERROR_MSG;
+       msg[3].msg = ": ";
+       msg[4].msg_type = SUDO_CONV_ERROR_MSG;
+       msg[4].msg = strerror(errno);
+       nmsgs = 6;
+    }
+    msg[nmsgs - 1].msg_type = SUDO_CONV_ERROR_MSG;
+    msg[nmsgs - 1].msg = "\n";
+    memset(&repl, 0, sizeof(repl));
+    sudo_conv(nmsgs, msg, repl);
+    efree(str);
+}