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diff --git a/src/rrd_client.c b/src/rrd_client.c
index a4f1ba9c86fd8022db488da266547af6b8fba4f9..11c1e3357b08d18ea35140469ff82dcda53afd85 100644 (file)
--- a/src/rrd_client.c
+++ b/src/rrd_client.c
* RRDTool - src/rrd_client.c
* Copyright (C) 2008 Florian octo Forster
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; only version 2 of the License is applicable.
- *
- * 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; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
*
* Authors:
* Florian octo Forster <octo at verplant.org>
**/
#include "rrd.h"
-#include "rrd_client.h"
#include "rrd_tool.h"
+#include "rrd_client.h"
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <strings.h>
#include <errno.h>
#include <assert.h>
#include <pthread.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netdb.h>
+#include <limits.h>
#ifndef ENODATA
#define ENODATA ENOENT
const char *ret = path;
int is_unix = 0;
+ if ((path == NULL) || (resolved_path == NULL) || (sd_path == NULL))
+ return (NULL);
+
if ((*sd_path == '/')
|| (strncmp ("unix:", sd_path, strlen ("unix:")) == 0))
is_unix = 1;
- if (*path == '/') /* absolute path */
+ if (is_unix)
{
- if (! is_unix)
- {
- rrd_set_error ("absolute path names not allowed when talking "
- "to a remote daemon");
- return (NULL);
- }
- /* else: nothing to do */
+ ret = realpath(path, resolved_path);
+ if (ret == NULL)
+ rrd_set_error("realpath(%s): %s", path, rrd_strerror(errno));
+ return ret;
}
- else /* relative path */
+ else
{
- if (is_unix)
+ if (*path == '/') /* not absolute path */
{
- realpath (path, resolved_path);
- ret = resolved_path;
+ rrd_set_error ("absolute path names not allowed when talking "
+ "to a remote daemon");
+ return NULL;
}
- /* else: nothing to do */
}
- return (ret);
+
+ return path;
} /* }}} char *get_path */
/* One must hold `lock' when calling `close_connection'. */
static int response_read (rrdc_response_t **ret_response) /* {{{ */
{
- rrdc_response_t *ret;
+ rrdc_response_t *ret = NULL;
+ int status = 0;
char buffer[4096];
char *buffer_ptr;
size_t i;
+#define DIE(code) do { status = code; goto err_out; } while(0)
+
if (sh == NULL)
- return (-1);
+ DIE(-1);
ret = (rrdc_response_t *) malloc (sizeof (rrdc_response_t));
if (ret == NULL)
- return (-2);
+ DIE(-2);
memset (ret, 0, sizeof (*ret));
ret->lines = NULL;
ret->lines_num = 0;
buffer_ptr = fgets (buffer, sizeof (buffer), sh);
if (buffer_ptr == NULL)
- return (-3);
+ DIE(-3);
+
chomp (buffer);
ret->status = strtol (buffer, &ret->message, 0);
if (buffer == ret->message)
- {
- response_free (ret);
- return (-4);
- }
+ DIE(-4);
+
/* Skip leading whitespace of the status message */
ret->message += strspn (ret->message, " \t");
{
if (ret->status < 0)
rrd_set_error("rrdcached: %s", ret->message);
- *ret_response = ret;
- return (0);
+ goto out;
}
ret->lines = (char **) malloc (sizeof (char *) * ret->status);
if (ret->lines == NULL)
- {
- response_free (ret);
- return (-5);
- }
+ DIE(-5);
+
memset (ret->lines, 0, sizeof (char *) * ret->status);
ret->lines_num = (size_t) ret->status;
{
buffer_ptr = fgets (buffer, sizeof (buffer), sh);
if (buffer_ptr == NULL)
- {
- response_free (ret);
- return (-6);
- }
+ DIE(-6);
+
chomp (buffer);
ret->lines[i] = strdup (buffer);
if (ret->lines[i] == NULL)
- {
- response_free (ret);
- return (-7);
- }
+ DIE(-7);
}
+out:
*ret_response = ret;
- return (0);
+ fflush(sh);
+ return (status);
+
+err_out:
+ response_free(ret);
+ close_connection();
+ return (status);
+
+#undef DIE
+
} /* }}} rrdc_response_t *response_read */
static int request (const char *buffer, size_t buffer_size, /* {{{ */
break;
} /* for (ai_ptr) */
+ freeaddrinfo(ai_res);
+
return (status);
} /* }}} int rrdc_connect_network */
{
int status = 0;
- if (addr == NULL)
+ if (addr == NULL) {
addr = getenv (ENV_RRDCACHED_ADDRESS);
+ }
- if (addr == NULL)
- return 0;
+ if (addr == NULL || ! strcmp(addr,"") ) {
+ addr = NULL;
+ return 0;
+ }
pthread_mutex_lock(&lock);