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Diffstat (limited to 'framework/src/suricata/src/defrag-config.c')
| -rw-r--r-- | framework/src/suricata/src/defrag-config.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/framework/src/suricata/src/defrag-config.c b/framework/src/suricata/src/defrag-config.c deleted file mode 100644 index 5bc4be36..00000000 --- a/framework/src/suricata/src/defrag-config.c +++ /dev/null @@ -1,162 +0,0 @@ -/* Copyright (C) 2007-2013 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 Giuseppe Longo <giuseppelng@gmail.com> - * - */ - -#include "suricata-common.h" -#include "queue.h" -#include "suricata.h" -#include "conf.h" -#include "util-debug.h" -#include "util-misc.h" -#include "defrag-config.h" - -static SCRadixTree *defrag_tree = NULL; - -static int default_timeout = 0; - -static void DefragPolicyFreeUserData(void *data) -{ - if (data != NULL) - SCFree(data); - - return; -} - -static void DefragPolicyAddHostInfo(char *host_ip_range, uint64_t timeout) -{ - uint64_t *user_data = NULL; - - if ( (user_data = SCMalloc(sizeof(uint64_t))) == NULL) { - SCLogError(SC_ERR_FATAL, "Error allocating memory. Exiting"); - exit(EXIT_FAILURE); - } - - *user_data = timeout; - - if (strchr(host_ip_range, ':') != NULL) { - SCLogDebug("adding ipv6 host %s", host_ip_range); - if (SCRadixAddKeyIPV6String(host_ip_range, defrag_tree, (void *)user_data) == NULL) { - SCLogWarning(SC_ERR_INVALID_VALUE, - "failed to add ipv6 host %s", host_ip_range); - } - } else { - SCLogDebug("adding ipv4 host %s", host_ip_range); - if (SCRadixAddKeyIPV4String(host_ip_range, defrag_tree, (void *)user_data) == NULL) { - SCLogWarning(SC_ERR_INVALID_VALUE, - "failed to add ipv4 host %s", host_ip_range); - } - } -} - -static int DefragPolicyGetIPv4HostTimeout(uint8_t *ipv4_addr) -{ - void *user_data = NULL; - (void)SCRadixFindKeyIPV4BestMatch(ipv4_addr, defrag_tree, &user_data); - if (user_data == NULL) - return -1; - - return *((int *)user_data); -} - -static int DefragPolicyGetIPv6HostTimeout(uint8_t *ipv6_addr) -{ - void *user_data = NULL; - (void)SCRadixFindKeyIPV6BestMatch(ipv6_addr, defrag_tree, &user_data); - if (user_data == NULL) - return -1; - - return *((int *)user_data); -} - -int DefragPolicyGetHostTimeout(Packet *p) -{ - int timeout = 0; - - if (PKT_IS_IPV4(p)) - timeout = DefragPolicyGetIPv4HostTimeout((uint8_t *)GET_IPV4_DST_ADDR_PTR(p)); - else if (PKT_IS_IPV6(p)) - timeout = DefragPolicyGetIPv6HostTimeout((uint8_t *)GET_IPV6_DST_ADDR(p)); - - if (timeout <= 0) - timeout = default_timeout; - - return timeout; -} - -static void DefragParseParameters(ConfNode *n) -{ - ConfNode *si; - uint64_t timeout = 0; - - TAILQ_FOREACH(si, &n->head, next) { - if (strcasecmp("timeout", si->name) == 0) { - SCLogDebug("timeout value %s", si->val); - if (ParseSizeStringU64(si->val, &timeout) < 0) { - SCLogError(SC_ERR_SIZE_PARSE, "Error parsing timeout " - "from conf file"); - } - } - if (strcasecmp("address", si->name) == 0) { - ConfNode *pval; - TAILQ_FOREACH(pval, &si->head, next) { - DefragPolicyAddHostInfo(pval->val, timeout); - } - } - } -} - -void DefragSetDefaultTimeout(intmax_t timeout) -{ - default_timeout = timeout; - SCLogDebug("default timeout %d", default_timeout); -} - -void DefragPolicyLoadFromConfig(void) -{ - SCEnter(); - - defrag_tree = SCRadixCreateRadixTree(DefragPolicyFreeUserData, NULL); - if (defrag_tree == NULL) { - SCLogError(SC_ERR_MEM_ALLOC, - "Can't alloc memory for the defrag config tree."); - exit(EXIT_FAILURE); - } - - ConfNode *server_config = ConfGetNode("defrag.host-config"); - if (server_config == NULL) { - SCLogDebug("failed to read host config"); - SCReturn; - } - - SCLogDebug("configuring host config %p", server_config); - ConfNode *sc; - - TAILQ_FOREACH(sc, &server_config->head, next) { - ConfNode *p = NULL; - - TAILQ_FOREACH(p, &sc->head, next) { - SCLogDebug("parsing configuration for %s", p->name); - DefragParseParameters(p); - } - } -} |