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Diffstat (limited to 'openvpn/src/openvpn/status.c')
-rw-r--r--openvpn/src/openvpn/status.c290
1 files changed, 0 insertions, 290 deletions
diff --git a/openvpn/src/openvpn/status.c b/openvpn/src/openvpn/status.c
deleted file mode 100644
index 5f9ab9ee..00000000
--- a/openvpn/src/openvpn/status.c
+++ /dev/null
@@ -1,290 +0,0 @@
-/*
- * OpenVPN -- An application to securely tunnel IP networks
- * over a single TCP/UDP port, with support for SSL/TLS-based
- * session authentication and key exchange,
- * packet encryption, packet authentication, and
- * packet compression.
- *
- * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program (see the file COPYING included with this
- * distribution); if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#elif defined(_MSC_VER)
-#include "config-msvc.h"
-#endif
-
-#include "syshead.h"
-
-#include "status.h"
-#include "perf.h"
-#include "misc.h"
-
-#include "memdbg.h"
-
-/*
- * printf-style interface for outputting status info
- */
-
-static const char *
-print_status_mode (unsigned int flags)
-{
- switch (flags)
- {
- case STATUS_OUTPUT_WRITE:
- return "WRITE";
- case STATUS_OUTPUT_READ:
- return "READ";
- case STATUS_OUTPUT_READ|STATUS_OUTPUT_WRITE:
- return "READ/WRITE";
- default:
- return "UNDEF";
- }
-}
-
-struct status_output *
-status_open (const char *filename,
- const int refresh_freq,
- const int msglevel,
- const struct virtual_output *vout,
- const unsigned int flags)
-{
- struct status_output *so = NULL;
- if (filename || msglevel >= 0 || vout)
- {
- ALLOC_OBJ_CLEAR (so, struct status_output);
- so->flags = flags;
- so->msglevel = msglevel;
- so->vout = vout;
- so->fd = -1;
- buf_reset (&so->read_buf);
- event_timeout_clear (&so->et);
- if (filename)
- {
- switch (so->flags)
- {
- case STATUS_OUTPUT_WRITE:
- so->fd = platform_open (filename,
- O_CREAT | O_TRUNC | O_WRONLY,
- S_IRUSR | S_IWUSR);
- break;
- case STATUS_OUTPUT_READ:
- so->fd = platform_open (filename,
- O_RDONLY,
- S_IRUSR | S_IWUSR);
- break;
- case STATUS_OUTPUT_READ|STATUS_OUTPUT_WRITE:
- so->fd = platform_open (filename,
- O_CREAT | O_RDWR,
- S_IRUSR | S_IWUSR);
- break;
- default:
- ASSERT (0);
- }
- if (so->fd >= 0)
- {
- so->filename = string_alloc (filename, NULL);
-
- /* allocate read buffer */
- if (so->flags & STATUS_OUTPUT_READ)
- so->read_buf = alloc_buf (512);
- }
- else
- {
- msg (M_WARN, "Note: cannot open %s for %s", filename, print_status_mode (so->flags));
- so->errors = true;
- }
- }
- else
- so->flags = STATUS_OUTPUT_WRITE;
-
- if ((so->flags & STATUS_OUTPUT_WRITE) && refresh_freq > 0)
- {
- event_timeout_init (&so->et, refresh_freq, 0);
- }
- }
- return so;
-}
-
-bool
-status_trigger (struct status_output *so)
-{
- if (so)
- {
- struct timeval null;
- CLEAR (null);
- return event_timeout_trigger (&so->et, &null, ETT_DEFAULT);
- }
- else
- return false;
-}
-
-bool
-status_trigger_tv (struct status_output *so, struct timeval *tv)
-{
- if (so)
- return event_timeout_trigger (&so->et, tv, ETT_DEFAULT);
- else
- return false;
-}
-
-void
-status_reset (struct status_output *so)
-{
- if (so && so->fd >= 0)
- lseek (so->fd, (off_t)0, SEEK_SET);
-}
-
-void
-status_flush (struct status_output *so)
-{
- if (so && so->fd >= 0 && (so->flags & STATUS_OUTPUT_WRITE))
- {
-#if defined(HAVE_FTRUNCATE)
- {
- const off_t off = lseek (so->fd, (off_t)0, SEEK_CUR);
- if (ftruncate (so->fd, off) != 0) {
- msg (M_WARN, "Failed to truncate status file: %s", strerror(errno));
- }
- }
-#elif defined(HAVE_CHSIZE)
- {
- const long off = (long) lseek (so->fd, (off_t)0, SEEK_CUR);
- chsize (so->fd, off);
- }
-#else
-#warning both ftruncate and chsize functions appear to be missing from this OS
-#endif
-
- /* clear read buffer */
- if (buf_defined (&so->read_buf))
- {
- ASSERT (buf_init (&so->read_buf, 0));
- }
- }
-}
-
-/* return false if error occurred */
-bool
-status_close (struct status_output *so)
-{
- bool ret = true;
- if (so)
- {
- if (so->errors)
- ret = false;
- if (so->fd >= 0)
- {
- if (close (so->fd) < 0)
- ret = false;
- }
- if (so->filename)
- free (so->filename);
- if (buf_defined (&so->read_buf))
- free_buf (&so->read_buf);
- free (so);
- }
- else
- ret = false;
- return ret;
-}
-
-#define STATUS_PRINTF_MAXLEN 512
-
-void
-status_printf (struct status_output *so, const char *format, ...)
-{
- if (so && (so->flags & STATUS_OUTPUT_WRITE))
- {
- char buf[STATUS_PRINTF_MAXLEN+2]; /* leave extra bytes for CR, LF */
- va_list arglist;
- int stat;
-
- va_start (arglist, format);
- stat = vsnprintf (buf, STATUS_PRINTF_MAXLEN, format, arglist);
- va_end (arglist);
- buf[STATUS_PRINTF_MAXLEN - 1] = 0;
-
- if (stat < 0 || stat >= STATUS_PRINTF_MAXLEN)
- so->errors = true;
-
- if (so->msglevel >= 0 && !so->errors)
- msg (so->msglevel, "%s", buf);
-
- if (so->fd >= 0 && !so->errors)
- {
- int len;
- strcat (buf, "\n");
- len = strlen (buf);
- if (len > 0)
- {
- if (write (so->fd, buf, len) != len)
- so->errors = true;
- }
- }
-
- if (so->vout && !so->errors)
- {
- chomp (buf);
- (*so->vout->func) (so->vout->arg, so->vout->flags_default, buf);
- }
- }
-}
-
-bool
-status_read (struct status_output *so, struct buffer *buf)
-{
- bool ret = false;
-
- if (so && so->fd >= 0 && (so->flags & STATUS_OUTPUT_READ))
- {
- ASSERT (buf_defined (&so->read_buf));
- ASSERT (buf_defined (buf));
- while (true)
- {
- const int c = buf_read_u8 (&so->read_buf);
-
- /* read more of file into buffer */
- if (c == -1)
- {
- int len;
-
- ASSERT (buf_init (&so->read_buf, 0));
- len = read (so->fd, BPTR (&so->read_buf), BCAP (&so->read_buf));
- if (len <= 0)
- break;
-
- ASSERT (buf_inc_len (&so->read_buf, len));
- continue;
- }
-
- ret = true;
-
- if (c == '\r')
- continue;
-
- if (c == '\n')
- break;
-
- buf_write_u8 (buf, c);
- }
-
- buf_null_terminate (buf);
- }
-
- return ret;
-}
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