23374838686

Committed 21 Mar 2026 07:29AM UTC coverage: 59.341% (-20.0%) from 79.315%

Build # 23374838686

Build Type

Pull #15075

github

Committed by

web-flow

Commit Message

Merge 90b4e834f into 6587e363a

Pull Request Pull Request #15075: Stack 8001 v16.4

Coverage Stats

38 of 70 new or added lines in 10 files covered. (54.29%)

34165 existing lines in 563 files now uncovered.

119621 of 201584 relevant lines covered (59.34%)

650666.92 hits per line

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0.0

/src/host-timeout.c

/* Copyright (C) 2007-2012 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.
 */

/**
 * \file
 *
 * \author Victor Julien <victor@inliniac.net>
 */

#include "suricata-common.h"
#include "host.h"

#include "detect-engine-tag.h"

#include "host-bit.h"
#include "host-timeout.h"

#include "reputation.h"

/** \internal
 *  \brief See if we can really discard this host. Check use_cnt reference.
 *
 *  \param h host
 *  \param ts timestamp
 *
 *  \retval 0 not timed out just yet
 *  \retval 1 fully timed out, lets kill it
 */
static int HostHostTimedOut(Host *h, SCTime_t ts)
{
    int busy = 0;

    /** never prune a host that is used by a packet
     *  we are currently processing in one of the threads */
    if (SC_ATOMIC_GET(h->use_cnt) > 0) {
        return 0;
    }

    busy |= (h->iprep && SRepHostTimedOut(h) == 0);
    busy |= (TagHostHasTag(h) && TagTimeoutCheck(h, ts) == 0);
    busy |= (HostHasHostBits(h) && HostBitsTimedoutCheck(h, ts) == 0);
    SCLogDebug("host %p %s", h, busy ? "still active" : "timed out");
    return !busy;
}

/**
 *  \internal
 *
 *  \brief check all hosts in a hash row for timing out
 *
 *  \param hb host hash row *LOCKED*
 *  \param h last host in the hash row
 *  \param ts timestamp
 *
 *  \retval cnt timed out hosts
 */
static uint32_t HostHashRowTimeout(HostHashRow *hb, Host *h, SCTime_t ts)
{
    uint32_t cnt = 0;

    do {
        if (SCMutexTrylock(&h->m) != 0) {
            h = h->hprev;
            continue;
        }

        Host *next_host = h->hprev;

        /* check if the host is fully timed out and
         * ready to be discarded. */
        if (HostHostTimedOut(h, ts) == 1) {
            /* remove from the hash */
            if (h->hprev != NULL)
                h->hprev->hnext = h->hnext;
            if (h->hnext != NULL)
                h->hnext->hprev = h->hprev;
            if (hb->head == h)
                hb->head = h->hnext;
            if (hb->tail == h)
                hb->tail = h->hprev;

            h->hnext = NULL;
            h->hprev = NULL;

            HostClearMemory (h);

            /* no one is referring to this host, use_cnt 0, removed from hash
             * so we can unlock it and move it back to the spare queue. */
            SCMutexUnlock(&h->m);

            /* move to spare list */
            HostMoveToSpare(h);

            cnt++;
        } else {
            SCMutexUnlock(&h->m);
        }

        h = next_host;
    } while (h != NULL);

    return cnt;
}

/**
 *  \brief time out hosts from the hash
 *
 *  \param ts timestamp
 *
 *  \retval cnt number of timed out host
 */
uint32_t HostTimeoutHash(SCTime_t ts)
{
    uint32_t idx = 0;
    uint32_t cnt = 0;

    for (idx = 0; idx < host_config.hash_size; idx++) {
        HostHashRow *hb = &host_hash[idx];

        if (HRLOCK_TRYLOCK(hb) != 0)
            continue;

        /* host hash bucket is now locked */

        if (hb->tail == NULL) {
            HRLOCK_UNLOCK(hb);
            continue;
        }

        /* we have a host, or more than one */
        cnt += HostHashRowTimeout(hb, hb->tail, ts);
        HRLOCK_UNLOCK(hb);
    }

    return cnt;
}


1	/* Copyright (C) 2007-2012 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	/**
19	* \file
20	*
21	* \author Victor Julien <victor@inliniac.net>
22	*/
23
24	#include "suricata-common.h"
25	#include "host.h"
26
27	#include "detect-engine-tag.h"
28
29	#include "host-bit.h"
30	#include "host-timeout.h"
31
32	#include "reputation.h"
33
34	/** \internal
35	* \brief See if we can really discard this host. Check use_cnt reference.
36	*
37	* \param h host
38	* \param ts timestamp
39	*
40	* \retval 0 not timed out just yet
41	* \retval 1 fully timed out, lets kill it
42	*/
43	static int HostHostTimedOut(Host *h, SCTime_t ts)
UNCOV 44	{	×
UNCOV 45	int busy = 0;	×
46
47	/** never prune a host that is used by a packet
48	* we are currently processing in one of the threads */
UNCOV 49	if (SC_ATOMIC_GET(h->use_cnt) > 0) {	×
UNCOV 50	return 0;	×
UNCOV 51	}	×
52
UNCOV 53	busy \|= (h->iprep && SRepHostTimedOut(h) == 0);	×
UNCOV 54	busy \|= (TagHostHasTag(h) && TagTimeoutCheck(h, ts) == 0);	×
UNCOV 55	busy \|= (HostHasHostBits(h) && HostBitsTimedoutCheck(h, ts) == 0);	×
UNCOV 56	SCLogDebug("host %p %s", h, busy ? "still active" : "timed out");	×
UNCOV 57	return !busy;	×
UNCOV 58	}	×
59
60	/**
61	* \internal
62	*
63	* \brief check all hosts in a hash row for timing out
64	*
65	* \param hb host hash row LOCKED
66	* \param h last host in the hash row
67	* \param ts timestamp
68	*
69	* \retval cnt timed out hosts
70	*/
71	static uint32_t HostHashRowTimeout(HostHashRow hb, Host h, SCTime_t ts)
UNCOV 72	{	×
UNCOV 73	uint32_t cnt = 0;	×
74
UNCOV 75	do {	×
UNCOV 76	if (SCMutexTrylock(&h->m) != 0) {	×
77	h = h->hprev;	×
78	continue;	×
79	}	×
80
UNCOV 81	Host *next_host = h->hprev;	×
82
83	/* check if the host is fully timed out and
84	* ready to be discarded. */
UNCOV 85	if (HostHostTimedOut(h, ts) == 1) {	×
86	/* remove from the hash */
UNCOV 87	if (h->hprev != NULL)	×
88	h->hprev->hnext = h->hnext;	×
UNCOV 89	if (h->hnext != NULL)	×
90	h->hnext->hprev = h->hprev;	×
UNCOV 91	if (hb->head == h)	×
UNCOV 92	hb->head = h->hnext;	×
UNCOV 93	if (hb->tail == h)	×
UNCOV 94	hb->tail = h->hprev;	×
95
UNCOV 96	h->hnext = NULL;	×
UNCOV 97	h->hprev = NULL;	×
98
UNCOV 99	HostClearMemory (h);	×
100
101	/* no one is referring to this host, use_cnt 0, removed from hash
102	* so we can unlock it and move it back to the spare queue. */
UNCOV 103	SCMutexUnlock(&h->m);	×
104
105	/* move to spare list */
UNCOV 106	HostMoveToSpare(h);	×
107
UNCOV 108	cnt++;	×
UNCOV 109	} else {	×
UNCOV 110	SCMutexUnlock(&h->m);	×
UNCOV 111	}	×
112
UNCOV 113	h = next_host;	×
UNCOV 114	} while (h != NULL);	×
115
UNCOV 116	return cnt;	×
UNCOV 117	}	×
118
119	/**
120	* \brief time out hosts from the hash
121	*
122	* \param ts timestamp
123	*
124	* \retval cnt number of timed out host
125	*/
126	uint32_t HostTimeoutHash(SCTime_t ts)
UNCOV 127	{	×
UNCOV 128	uint32_t idx = 0;	×
UNCOV 129	uint32_t cnt = 0;	×
130
UNCOV 131	for (idx = 0; idx < host_config.hash_size; idx++) {	×
UNCOV 132	HostHashRow *hb = &host_hash[idx];	×
133
UNCOV 134	if (HRLOCK_TRYLOCK(hb) != 0)	×
135	continue;	×
136
137	/* host hash bucket is now locked */
138
UNCOV 139	if (hb->tail == NULL) {	×
UNCOV 140	HRLOCK_UNLOCK(hb);	×
UNCOV 141	continue;	×
UNCOV 142	}	×
143
144	/* we have a host, or more than one */
UNCOV 145	cnt += HostHashRowTimeout(hb, hb->tail, ts);	×
UNCOV 146	HRLOCK_UNLOCK(hb);	×
UNCOV 147	}	×
148
UNCOV 149	return cnt;	×
UNCOV 150	}	×
151

OISF / suricata / 23374838686

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