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Diffstat (limited to 'framework/src/suricata/src/pkt-var.c')
-rw-r--r-- | framework/src/suricata/src/pkt-var.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/framework/src/suricata/src/pkt-var.c b/framework/src/suricata/src/pkt-var.c deleted file mode 100644 index b3878bde..00000000 --- a/framework/src/suricata/src/pkt-var.c +++ /dev/null @@ -1,124 +0,0 @@ -/* Copyright (C) 2007-2010 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> - * - * Implements per packet vars - * - * \todo move away from a linked list implementation - * \todo use different datatypes, such as string, int, etc. - * \todo have more than one instance of the same var, and be able to match on a - * specific one, or one all at a time. So if a certain capture matches - * multiple times, we can operate on all of them. - */ - -#include "suricata-common.h" -#include "decode.h" -#include "pkt-var.h" -#include "util-debug.h" - -/* puts a new value into a pktvar */ -void PktVarUpdate(PktVar *pv, uint8_t *value, uint16_t size) -{ - if (pv->value) SCFree(pv->value); - pv->value = value; - pv->value_len = size; -} - -/* get the pktvar with name 'name' from the pkt - * - * name is a normal string*/ -PktVar *PktVarGet(Packet *p, char *name) -{ - PktVar *pv = p->pktvar; - - for (;pv != NULL; pv = pv->next) { - if (pv->name && strcmp(pv->name, name) == 0) - return pv; - } - - return NULL; -} - -/* add a pktvar to the pkt, or update it */ -void PktVarAdd(Packet *p, char *name, uint8_t *value, uint16_t size) -{ - //printf("Adding packet var \"%s\" with value(%" PRId32 ") \"%s\"\n", name, size, value); - - PktVar *pv = PktVarGet(p, name); - if (pv == NULL) { - pv = SCMalloc(sizeof(PktVar)); - if (unlikely(pv == NULL)) - return; - - pv->name = name; - pv->value = value; - pv->value_len = size; - pv->next = NULL; - - PktVar *tpv = p->pktvar; - if (p->pktvar == NULL) p->pktvar = pv; - else { - while(tpv) { - if (tpv->next == NULL) { - tpv->next = pv; - return; - } - tpv = tpv->next; - } - } - } else { - PktVarUpdate(pv, value, size); - } -} - -void PktVarFree(PktVar *pv) -{ - if (pv == NULL) - return; - - pv->name = NULL; - if (pv->value != NULL) - SCFree(pv->value); - PktVar *pv_next = pv->next; - - SCFree(pv); - - if (pv_next != NULL) - PktVarFree(pv_next); -} - -void PktVarPrint(PktVar *pv) -{ - uint16_t i; - - if (pv == NULL) - return; - - printf("Name \"%s\", Value \"", pv->name); - for (i = 0; i < pv->value_len; i++) { - if (isprint(pv->value[i])) printf("%c", pv->value[i]); - else printf("\\%02X", pv->value[i]); - } - printf("\", Len \"%" PRIu32 "\"\n", pv->value_len); - - PktVarPrint(pv->next); -} - |