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/*
* Copyright (c) 2021 Balazs Scheidler <bazsi77@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; 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 "rewrite-set-pri.h"
#include "template/templates.h"
#include "syslog-names.h"
#include "scratch-buffers.h"
#include <stdlib.h>
typedef struct _LogRewriteSetPri LogRewriteSetPri;
struct _LogRewriteSetPri
{
LogRewrite super;
LogTemplate *pri;
};
gint
log_rewrite_set_pri_convert_pri(const gchar *pri_text)
{
char *endptr;
long int pri = strtol(pri_text, &endptr, 10);
if (!endptr)
return -1;
if (endptr[0] != '\0' || pri_text == endptr)
return -1;
/* the maximum facility code is 127 in set-facility() */
if (pri > 127*8 + 7)
return -1;
return pri;
}
static void
log_rewrite_set_pri_process(LogRewrite *s, LogMessage **pmsg, const LogPathOptions *path_options)
{
LogRewriteSetPri *self = (LogRewriteSetPri *) s;
GString *result = scratch_buffers_alloc();
log_msg_make_writable(pmsg, path_options);
log_template_format(self->pri, *pmsg, &DEFAULT_TEMPLATE_EVAL_OPTIONS, result);
const gint pri = log_rewrite_set_pri_convert_pri(result->str);
if (pri < 0)
{
msg_debug("Warning: invalid value passed to set-pri()",
evt_tag_str("pri", result->str),
log_pipe_location_tag(&s->super));
return;
}
msg_trace("Setting syslog pri",
evt_tag_int("old_pri", (*pmsg)->pri),
evt_tag_int("new_pri", pri),
evt_tag_msg_reference(*pmsg));
(*pmsg)->pri = pri;
}
static LogPipe *
log_rewrite_set_pri_clone(LogPipe *s)
{
LogRewriteSetPri *self = (LogRewriteSetPri *) s;
LogRewriteSetPri *cloned = (LogRewriteSetPri *) log_rewrite_set_pri_new(log_template_ref(self->pri),
s->cfg);
log_rewrite_clone_method(&cloned->super, &self->super);
return &cloned->super.super;
}
void
log_rewrite_set_pri_free(LogPipe *s)
{
LogRewriteSetPri *self = (LogRewriteSetPri *) s;
log_template_unref(self->pri);
log_rewrite_free_method(s);
}
LogRewrite *
log_rewrite_set_pri_new(LogTemplate *pri, GlobalConfig *cfg)
{
LogRewriteSetPri *self = g_new0(LogRewriteSetPri, 1);
log_rewrite_init_instance(&self->super, cfg);
self->super.super.free_fn = log_rewrite_set_pri_free;
self->super.super.clone = log_rewrite_set_pri_clone;
self->super.process = log_rewrite_set_pri_process;
self->pri = log_template_ref(pri);
return &self->super;
}
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