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/*
* Copyright (c) 2021 One Identity
* Copyright (c) 2021 Xiaoyu Qiu
*
* 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 <criterion/criterion.h>
#include <criterion/parameterized.h>
#include "regexp-parser.h"
#include "apphook.h"
#include "logmsg/logmsg.h"
#include "scratch-buffers.h"
void
setup(void)
{
configuration = cfg_new_snippet();
app_startup();
}
void
teardown(void)
{
scratch_buffers_explicit_gc();
app_shutdown();
cfg_free(configuration);
}
TestSuite(regexp_parser, .init = setup, .fini = teardown);
typedef struct _RegexpParserTestParam
{
const gchar *msg;
const gchar *pattern;
const gchar *prefix;
gint flags;
gboolean expected_result;
const gchar *name;
const gchar *value;
} RegexpParserTestParam;
static LogParser *
_construct_regexp_parser(const gchar *prefix, const gchar *pattern, gint flags)
{
LogParser *p = regexp_parser_new(configuration);
LogMatcherOptions *matcher_options = regexp_parser_get_matcher_options(p);
matcher_options->flags |= flags;
if (prefix != NULL)
regexp_parser_set_prefix(p, prefix);
if (pattern != NULL)
regexp_parser_set_patterns(p, g_list_append(NULL, g_strdup(pattern)));
return p;
}
ParameterizedTestParameters(regexp_parser, test_regexp_parser)
{
static RegexpParserTestParam parser_params[] =
{
{.msg = "foo", .pattern = "(?<key>foo)", .prefix="", .flags = 0, .expected_result = TRUE, .name = "key", .value = "foo"},
{.msg = "foo", .pattern = "(?<key>fo*)", .prefix="", .flags = 0, .expected_result = TRUE, .name = "key", .value = "foo"},
{.msg = "foo", .pattern = "(?<key>fo*)", .prefix=".reg.", .flags = 0, .expected_result = TRUE, .name = ".reg.key", .value = "foo"},
{.msg = "foo", .pattern = "(?<key>fo*)", .prefix=".reg.", .flags = 0, .expected_result = TRUE, .name = "key", .value = ""},
{.msg = "foo", .pattern = "(?<key>foo)|(?<key>bar)", .prefix=".reg.", .expected_result = TRUE, .flags = LMF_DUPNAMES, .name = ".reg.key", .value = "foo"},
{.msg = "abc", .pattern = "Abc", .prefix="", .flags = 0, .expected_result = FALSE, .name = NULL, .value = NULL},
{.msg = "abc", .pattern = "(?<key>Abc)", .prefix="", .flags = LMF_ICASE, .expected_result = TRUE, .name = "key", .value = "abc"},
/* store into a builtin value */
{.msg = "abcdef", .pattern = "(?<PID>abc)", .prefix="", .flags = 0, .expected_result = TRUE, .name = "PID", .value = "abc"},
};
return cr_make_param_array(RegexpParserTestParam, parser_params, G_N_ELEMENTS(parser_params));
}
ParameterizedTest(RegexpParserTestParam *parser_param, regexp_parser, test_regexp_parser)
{
LogParser *p = _construct_regexp_parser(parser_param->prefix, parser_param->pattern, parser_param->flags);
gboolean result;
GError *e = NULL;
result = regexp_parser_compile(p, &e);
cr_assert(result, "unexpected compiling failure; pattern=%s, error=%s\n", parser_param->pattern, e->message);
LogMessage *msg = log_msg_new_empty();
log_msg_set_value(msg, LM_V_MESSAGE, parser_param->msg, -1);
LogPathOptions path_options = LOG_PATH_OPTIONS_INIT;
result = log_parser_process_message(p, &msg, &path_options);
cr_assert_not((result && !parser_param->expected_result), "unexpected match; msg=%s\n", parser_param->msg);
cr_assert_not((!result && parser_param->expected_result), "unexpected non-match; msg=%s\n", parser_param->msg);
if (parser_param->name)
{
gssize len = -1;
const gchar *value = log_msg_get_value_by_name(msg, parser_param->name, &len);
cr_assert_str_eq(value, parser_param->value, "name: %s | value: %.*s, should be %s",
parser_param->name,
(gint) len, value,
parser_param->value);
}
log_pipe_unref(&p->super);
log_msg_unref(msg);
}
Test(regexp_parser, test_regexp_parser_with_multiple_patterns)
{
LogParser *p = regexp_parser_new(configuration);
GList *patterns = NULL;
patterns = g_list_append(patterns, g_strdup("(?<key>Abc)"));
patterns = g_list_append(patterns, g_strdup("(?<key>abc)"));
regexp_parser_set_patterns(p, patterns);
regexp_parser_compile(p, NULL);
LogMessage *msg = log_msg_new_empty();
log_msg_set_value(msg, LM_V_MESSAGE, "abc", -1);
LogPathOptions path_options = LOG_PATH_OPTIONS_INIT;
log_parser_process_message(p, &msg, &path_options);
gssize len;
const gchar *value = log_msg_get_value_by_name(msg, "key", &len);
cr_assert(strncmp(value, "abc", 3) == 0,
"Test regexp parser with multiple patterns failed: name: %s | value: %.*s, should be %s",
"key",
(gint) len, value,
"abc");
log_pipe_unref((LogPipe *)p);
log_msg_unref(msg);
}
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