22802647571

Committed 07 Mar 2026 04:23PM UTC coverage: 75.827% (-3.4%) from 79.233%

Build # 22802647571

Build Type

push

github

Committed by

jasonish

Commit Message

github-ci: add schema ordering check for yaml schema

Coverage Stats

253365 of 334137 relevant lines covered (75.83%)

3384729.69 hits per line

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94.55

/src/detect-base64-data.c

/* Copyright (C) 2015 Open Information Security Foundation
 *
 * You can copy, redistribute or modify this Program 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
 * version 2 along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#include "suricata-common.h"
#include "detect.h"
#include "detect-engine.h"
#include "detect-engine-content-inspection.h"
#include "detect-parse.h"
#include "detect-base64-data.h"
#include "detect-engine-build.h"

#include "util-unittest.h"

static int DetectBase64DataSetup(DetectEngineCtx *, Signature *, const char *);
#ifdef UNITTESTS
static void DetectBase64DataRegisterTests(void);
#endif

void DetectBase64DataRegister(void)
{
    sigmatch_table[DETECT_BASE64_DATA].name = "base64_data";
    sigmatch_table[DETECT_BASE64_DATA].desc =
        "Content match base64 decoded data.";
    sigmatch_table[DETECT_BASE64_DATA].url =
        "/rules/base64-keywords.html#base64-data";
    sigmatch_table[DETECT_BASE64_DATA].Setup = DetectBase64DataSetup;
#ifdef UNITTESTS
    sigmatch_table[DETECT_BASE64_DATA].RegisterTests =
        DetectBase64DataRegisterTests;
#endif
    sigmatch_table[DETECT_BASE64_DATA].flags |= SIGMATCH_NOOPT;
}

static int DetectBase64DataSetup(DetectEngineCtx *de_ctx, Signature *s,
    const char *str)
{
    SigMatch *pm = NULL;

    /* Check for a preceding base64_decode. */
    pm = SCDetectGetLastSMFromLists(s, DETECT_BASE64_DECODE, -1);
    if (pm == NULL) {
        SCLogError("\"base64_data\" keyword seen without preceding base64_decode.");
        return -1;
    }

    s->init_data->list = DETECT_SM_LIST_BASE64_DATA;
    return 0;
}

#ifdef UNITTESTS

static int g_file_data_buffer_id = 0;

static int DetectBase64DataSetupTest01(void)
{
    DetectEngineCtx *de_ctx = DetectEngineCtxInit();
    FAIL_IF_NULL(de_ctx);

    de_ctx->flags |= DE_QUIET;
    Signature *s = DetectEngineAppendSig(de_ctx,
            "alert smtp any any -> any any (msg:\"DetectBase64DataSetupTest\"; "
            "base64_decode; base64_data; content:\"content\"; sid:1; rev:1;)");
    FAIL_IF_NULL(s);

    SigMatch *sm = s->init_data->smlists[DETECT_SM_LIST_PMATCH];
    FAIL_IF_NULL(sm);
    FAIL_IF_NOT(sm->type == DETECT_BASE64_DECODE);
    FAIL_IF_NULL(s->init_data->smlists[DETECT_SM_LIST_BASE64_DATA]);

    DetectEngineCtxFree(de_ctx);
    PASS;
}

/**
 * \test Test that the list can be changed to post-detection lists
 *     after the base64 keyword.
 */
static int DetectBase64DataSetupTest04(void)
{
    DetectEngineCtx *de_ctx = DetectEngineCtxInit();
    FAIL_IF_NULL(de_ctx);

    de_ctx->flags |= DE_QUIET;
    Signature *s = DetectEngineAppendSig(de_ctx,
            "alert tcp any any -> any any (msg:\"some b64thing\"; flow:established,from_server; "
            "file_data; content:\"sometext\"; fast_pattern; base64_decode:relative; base64_data; "
            "content:\"foobar\"; nocase; tag:session,120,seconds; sid:1111111; rev:1;)");
    FAIL_IF_NULL(s);

    DetectEngineCtxFree(de_ctx);
    PASS;
}

static void DetectBase64DataRegisterTests(void)
{
    g_file_data_buffer_id = DetectBufferTypeGetByName("file_data");

    UtRegisterTest("DetectBase64DataSetupTest01", DetectBase64DataSetupTest01);
    UtRegisterTest("DetectBase64DataSetupTest04", DetectBase64DataSetupTest04);
}
#endif /* UNITTESTS */

1	/* Copyright (C) 2015 Open Information Security Foundation
2	*
3	* You can copy, redistribute or modify this Program under the terms of
4	* the GNU General Public License version 2 as published by the Free
5	* Software Foundation.
6	*
7	* This program is distributed in the hope that it will be useful,
8	* but WITHOUT ANY WARRANTY; without even the implied warranty of
9	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10	* GNU General Public License for more details.
11	*
12	* You should have received a copy of the GNU General Public License
13	* version 2 along with this program; if not, write to the Free Software
14	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15	* 02110-1301, USA.
16	*/
17
18	#include "suricata-common.h"
19	#include "detect.h"
20	#include "detect-engine.h"
21	#include "detect-engine-content-inspection.h"
22	#include "detect-parse.h"
23	#include "detect-base64-data.h"
24	#include "detect-engine-build.h"
25
26	#include "util-unittest.h"
27
28	static int DetectBase64DataSetup(DetectEngineCtx , Signature , const char *);
29	#ifdef UNITTESTS
30	static void DetectBase64DataRegisterTests(void);
31	#endif
32
33	void DetectBase64DataRegister(void)
34	{	2,193✔
35	sigmatch_table[DETECT_BASE64_DATA].name = "base64_data";	2,193✔
36	sigmatch_table[DETECT_BASE64_DATA].desc =	2,193✔
37	"Content match base64 decoded data.";	2,193✔
38	sigmatch_table[DETECT_BASE64_DATA].url =	2,193✔
39	"/rules/base64-keywords.html#base64-data";	2,193✔
40	sigmatch_table[DETECT_BASE64_DATA].Setup = DetectBase64DataSetup;	2,193✔
41	#ifdef UNITTESTS	3✔
42	sigmatch_table[DETECT_BASE64_DATA].RegisterTests =	3✔
43	DetectBase64DataRegisterTests;	3✔
44	#endif	3✔
45	sigmatch_table[DETECT_BASE64_DATA].flags \|= SIGMATCH_NOOPT;	2,193✔
46	}	2,193✔
47
48	static int DetectBase64DataSetup(DetectEngineCtx de_ctx, Signature s,
49	const char *str)
50	{	92✔
51	SigMatch *pm = NULL;	92✔
52
53	/* Check for a preceding base64_decode. */
54	pm = SCDetectGetLastSMFromLists(s, DETECT_BASE64_DECODE, -1);	92✔
55	if (pm == NULL) {	92✔
56	SCLogError("\"base64_data\" keyword seen without preceding base64_decode.");	×
57	return -1;	×
58	}	×
59
60	s->init_data->list = DETECT_SM_LIST_BASE64_DATA;	92✔
61	return 0;	92✔
62	}	92✔
63
64	#ifdef UNITTESTS
65
66	static int g_file_data_buffer_id = 0;
67
68	static int DetectBase64DataSetupTest01(void)
69	{	1✔
70	DetectEngineCtx *de_ctx = DetectEngineCtxInit();	1✔
71	FAIL_IF_NULL(de_ctx);	1✔
72
73	de_ctx->flags \|= DE_QUIET;	1✔
74	Signature *s = DetectEngineAppendSig(de_ctx,	1✔
75	"alert smtp any any -> any any (msg:\"DetectBase64DataSetupTest\"; "	1✔
76	"base64_decode; base64_data; content:\"content\"; sid:1; rev:1;)");	1✔
77	FAIL_IF_NULL(s);	1✔
78
79	SigMatch *sm = s->init_data->smlists[DETECT_SM_LIST_PMATCH];	1✔
80	FAIL_IF_NULL(sm);	1✔
81	FAIL_IF_NOT(sm->type == DETECT_BASE64_DECODE);	1✔
82	FAIL_IF_NULL(s->init_data->smlists[DETECT_SM_LIST_BASE64_DATA]);	1✔
83
84	DetectEngineCtxFree(de_ctx);	1✔
85	PASS;	1✔
86	}	1✔
87
88	/**
89	* \test Test that the list can be changed to post-detection lists
90	* after the base64 keyword.
91	*/
92	static int DetectBase64DataSetupTest04(void)
93	{	1✔
94	DetectEngineCtx *de_ctx = DetectEngineCtxInit();	1✔
95	FAIL_IF_NULL(de_ctx);	1✔
96
97	de_ctx->flags \|= DE_QUIET;	1✔
98	Signature *s = DetectEngineAppendSig(de_ctx,	1✔
99	"alert tcp any any -> any any (msg:\"some b64thing\"; flow:established,from_server; "	1✔
100	"file_data; content:\"sometext\"; fast_pattern; base64_decode:relative; base64_data; "	1✔
101	"content:\"foobar\"; nocase; tag:session,120,seconds; sid:1111111; rev:1;)");	1✔
102	FAIL_IF_NULL(s);	1✔
103
104	DetectEngineCtxFree(de_ctx);	1✔
105	PASS;	1✔
106	}	1✔
107
108	static void DetectBase64DataRegisterTests(void)
109	{	1✔
110	g_file_data_buffer_id = DetectBufferTypeGetByName("file_data");	1✔
111
112	UtRegisterTest("DetectBase64DataSetupTest01", DetectBase64DataSetupTest01);	1✔
113	UtRegisterTest("DetectBase64DataSetupTest04", DetectBase64DataSetupTest04);	1✔
114	}	1✔
115	#endif /* UNITTESTS */

jasonish / suricata / 22802647571

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