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/*
* Copyright (c) 2015 Balabit
*
* 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, or (at your option) any later version.
*
* 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
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "format-welf.h"
#include "utf8utils.h"
#include "value-pairs/cmdline.h"
typedef struct _TFWelfState
{
TFSimpleFuncState super;
ValuePairs *vp;
} TFWelfState;
static gboolean
tf_format_welf_prepare(LogTemplateFunction *self, gpointer s, LogTemplate *parent,
gint argc, gchar *argv[],
GError **error)
{
TFWelfState *state = (TFWelfState *) s;
state->vp = value_pairs_new_from_cmdline (parent->cfg, argc, argv, error);
if (!state->vp)
return FALSE;
return TRUE;
}
static gboolean
tf_format_welf_foreach(const gchar *name, TypeHint type, const gchar *value,
gsize value_len, gpointer user_data)
{
GString *result = (GString *) user_data;
if (result->len > 0)
g_string_append(result, " ");
g_string_append(result, name);
g_string_append_c(result, '=');
if (memchr(value, ' ', value_len) == NULL)
append_unsafe_utf8_as_escaped_binary(result, value, value_len, NULL);
else
{
g_string_append_c(result, '"');
append_unsafe_utf8_as_escaped_binary(result, value, value_len, "\"");
g_string_append_c(result, '"');
}
return FALSE;
}
static gint
tf_format_welf_strcmp(gconstpointer a, gconstpointer b)
{
gchar *sa = (gchar *)a, *sb = (gchar *)b;
if (strcmp (sa, "id") == 0)
return -1;
return strcmp(sa, sb);
}
static void
tf_format_welf_call(LogTemplateFunction *self, gpointer s, const LogTemplateInvokeArgs *args, GString *result)
{
TFWelfState *state = (TFWelfState *) s;
gint i;
for (i = 0; i < args->num_messages; i++)
{
value_pairs_foreach_sorted(state->vp,
tf_format_welf_foreach, (GCompareDataFunc) tf_format_welf_strcmp,
args->messages[i], 0, args->tz, args->opts, result);
}
}
static void
tf_format_welf_free_state(gpointer s)
{
TFWelfState *state = (TFWelfState *) s;
value_pairs_unref(state->vp);
tf_simple_func_free_state(s);
}
TEMPLATE_FUNCTION(TFWelfState, tf_format_welf, tf_format_welf_prepare, NULL, tf_format_welf_call, tf_format_welf_free_state, NULL);
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