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pcrm.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "pcrm.h"

Go to the source code of this file.

Functions

PORT_RULE_MAP * prmNewMap ()
BYTE_RULE_MAP * prmNewByteMap ()
static void prmxFreeGroup (PORT_GROUP *pg)
void prmFreeMap (PORT_RULE_MAP *p)
void prmFreeByteMap (BYTE_RULE_MAP *p)
static int prmxAddPortRule (PORT_GROUP *p, RULE_PTR rd)
static int prmxAddPortRuleUri (PORT_GROUP *p, RULE_PTR rd)
static int prmxAddPortRuleNC (PORT_GROUP *p, RULE_PTR rd)
void prmAddNotNode (PORT_GROUP *pg, int id)
RULE_PTR prmGetFirstRule (PORT_GROUP *pg)
RULE_PTR prmGetNextRule (PORT_GROUP *pg)
RULE_PTR prmGetFirstRuleUri (PORT_GROUP *pg)
RULE_PTR prmGetNextRuleUri (PORT_GROUP *pg)
RULE_PTR prmGetFirstRuleNC (PORT_GROUP *pg)
RULE_PTR prmGetNextRuleNC (PORT_GROUP *pg)
int prmAddRule (PORT_RULE_MAP *p, int dport, int sport, RULE_PTR rd)
int prmAddByteRule (BYTE_RULE_MAP *p, int dport, RULE_PTR rd)
int prmAddRuleUri (PORT_RULE_MAP *p, int dport, int sport, RULE_PTR rd)
int prmAddRuleNC (PORT_RULE_MAP *p, int dport, int sport, RULE_PTR rd)
int prmAddByteRuleNC (BYTE_RULE_MAP *p, int dport, RULE_PTR rd)
int prmFindRuleGroup (PORT_RULE_MAP *p, int dport, int sport, PORT_GROUP **src, PORT_GROUP **dst, PORT_GROUP **gen)
int prmFindByteRuleGroup (BYTE_RULE_MAP *p, int dport, PORT_GROUP **dst, PORT_GROUP **gen)
PORT_GROUP * prmFindDstRuleGroup (PORT_RULE_MAP *p, int port)
PORT_GROUP * prmFindSrcRuleGroup (PORT_RULE_MAP *p, int port)
PORT_GROUP * prmFindByteRuleGroupUnique (BYTE_RULE_MAP *p, int port)
int prmSetGroupPatData (PORT_GROUP *pg, void *data)
void * prmGetGroupPatData (PORT_GROUP *pg)
int prmCompileGroups (PORT_RULE_MAP *p)
int prmCompileByteGroups (BYTE_RULE_MAP *p)
int prmShowStats (PORT_RULE_MAP *p)
int prmShowByteStats (BYTE_RULE_MAP *p)
int prmShowEventStats (PORT_RULE_MAP *p)
int prmShowEventByteStats (BYTE_RULE_MAP *p)

Function Documentation

int prmAddByteRule (  BYTE_RULE_MAP *  p,
int  dport,
RULE_PTR  rd
) 
 

Definition at line 843 of file pcrm.c.

References ANYPORT, PORT_GROUP::pgCount, BYTE_RULE_MAP::prmByteGroup, BYTE_RULE_MAP::prmGeneric, BYTE_RULE_MAP::prmNumGenericRules, BYTE_RULE_MAP::prmNumGroups, BYTE_RULE_MAP::prmNumRules, and prmxAddPortRule().

int prmAddByteRuleNC (  BYTE_RULE_MAP *  p,
int  dport,
RULE_PTR  rd
) 
 

Definition at line 1056 of file pcrm.c.

References ANYPORT, PORT_GROUP::pgCount, BYTE_RULE_MAP::prmByteGroup, BYTE_RULE_MAP::prmGeneric, BYTE_RULE_MAP::prmNumGenericRules, BYTE_RULE_MAP::prmNumGroups, BYTE_RULE_MAP::prmNumRules, and prmxAddPortRuleNC().

void prmAddNotNode (  PORT_GROUP *  pg,
int  id
) 
 

Definition at line 567 of file pcrm.c.

References _not_rule_node_::iPos, _not_rule_node_::next, and PORT_GROUP::pgNotRuleList.

Referenced by BuildMultiPatGroup().

int prmAddRule (  PORT_RULE_MAP *  p,
int  dport,
int  sport,
RULE_PTR  rd
) 
 

Definition at line 777 of file pcrm.c.

References ANYPORT, MAX_PORTS, NULL, PORT_GROUP::pgCount, PORT_RULE_MAP::prmDstPort, PORT_RULE_MAP::prmGeneric, PORT_RULE_MAP::prmNumDstGroups, PORT_RULE_MAP::prmNumDstRules, PORT_RULE_MAP::prmNumGenericRules, PORT_RULE_MAP::prmNumSrcGroups, PORT_RULE_MAP::prmNumSrcRules, PORT_RULE_MAP::prmSrcPort, and prmxAddPortRule().

Referenced by fpCreateFastPacketDetection().

int prmAddRuleNC (  PORT_RULE_MAP *  p,
int  dport,
int  sport,
RULE_PTR  rd
) 
 

Definition at line 989 of file pcrm.c.

References ANYPORT, MAX_PORTS, NULL, PORT_GROUP::pgCount, PORT_RULE_MAP::prmDstPort, PORT_RULE_MAP::prmGeneric, PORT_RULE_MAP::prmNumDstGroups, PORT_RULE_MAP::prmNumDstRules, PORT_RULE_MAP::prmNumGenericRules, PORT_RULE_MAP::prmNumSrcGroups, PORT_RULE_MAP::prmNumSrcRules, PORT_RULE_MAP::prmSrcPort, and prmxAddPortRuleNC().

Referenced by fpCreateFastPacketDetection().

int prmAddRuleUri (  PORT_RULE_MAP *  p,
int  dport,
int  sport,
RULE_PTR  rd
) 
 

Definition at line 893 of file pcrm.c.

References ANYPORT, MAX_PORTS, NULL, PORT_GROUP::pgCount, PORT_RULE_MAP::prmDstPort, PORT_RULE_MAP::prmGeneric, PORT_RULE_MAP::prmNumDstGroups, PORT_RULE_MAP::prmNumDstRules, PORT_RULE_MAP::prmNumGenericRules, PORT_RULE_MAP::prmNumSrcGroups, PORT_RULE_MAP::prmNumSrcRules, PORT_RULE_MAP::prmSrcPort, and prmxAddPortRuleUri().

Referenced by fpCreateFastPacketDetection().

int prmCompileByteGroups (  BYTE_RULE_MAP *  p  ) 
 

Definition at line 1348 of file pcrm.c.

References PORT_GROUP::pgCount, BYTE_RULE_MAP::prmByteGroup, BYTE_RULE_MAP::prmGeneric, prmGetFirstRule(), prmGetFirstRuleNC(), prmGetNextRule(), prmGetNextRuleNC(), prmxAddPortRule(), and prmxAddPortRuleNC().

int prmCompileGroups (  PORT_RULE_MAP *  p  ) 
 

Definition at line 1264 of file pcrm.c.

References MAX_PORTS, PORT_RULE_MAP::prmDstPort, PORT_RULE_MAP::prmGeneric, prmGetFirstRule(), prmGetFirstRuleNC(), prmGetFirstRuleUri(), prmGetNextRule(), prmGetNextRuleNC(), prmGetNextRuleUri(), PORT_RULE_MAP::prmSrcPort, prmxAddPortRule(), prmxAddPortRuleNC(), and prmxAddPortRuleUri().

Referenced by fpCreateFastPacketDetection().

int prmFindByteRuleGroup (  BYTE_RULE_MAP *  p,
int  dport,
PORT_GROUP **  dst,
PORT_GROUP **  gen
) 
 

Definition at line 1157 of file pcrm.c.

References ANYPORT, PORT_GROUP::pgCount, BYTE_RULE_MAP::prmByteGroup, and BYTE_RULE_MAP::prmGeneric.

PORT_GROUP* prmFindByteRuleGroupUnique (  BYTE_RULE_MAP *  p,
int  port
) 
 

Definition at line 1215 of file pcrm.c.

References MAX_PORTS, PORT_GROUP::pgCount, and BYTE_RULE_MAP::prmByteGroup.

Referenced by prmShowByteStats(), and prmShowEventByteStats().

PORT_GROUP* prmFindDstRuleGroup (  PORT_RULE_MAP *  p,
int  port
) 
 

Definition at line 1189 of file pcrm.c.

References MAX_PORTS, and PORT_RULE_MAP::prmDstPort.

Referenced by BuildMultiPatternGroups(), prmShowEventStats(), and prmShowStats().

int prmFindRuleGroup (  PORT_RULE_MAP *  p,
int  dport,
int  sport,
PORT_GROUP **  src,
PORT_GROUP **  dst,
PORT_GROUP **  gen
) 
 

Definition at line 1116 of file pcrm.c.

References ANYPORT, MAX_PORTS, NULL, PORT_RULE_MAP::prmDstPort, PORT_RULE_MAP::prmGeneric, and PORT_RULE_MAP::prmSrcPort.

Referenced by prmFindRuleGroupIcmp(), prmFindRuleGroupIp(), prmFindRuleGroupTcp(), and prmFindRuleGroupUdp().

PORT_GROUP* prmFindSrcRuleGroup (  PORT_RULE_MAP *  p,
int  port
) 
 

Definition at line 1202 of file pcrm.c.

References MAX_PORTS, and PORT_RULE_MAP::prmSrcPort.

Referenced by BuildMultiPatternGroups(), prmShowEventStats(), and prmShowStats().

void prmFreeByteMap (  BYTE_RULE_MAP *  p  ) 
 

Definition at line 350 of file pcrm.c.

References BYTE_RULE_MAP::prmByteGroup, BYTE_RULE_MAP::prmGeneric, and prmxFreeGroup().

void prmFreeMap (  PORT_RULE_MAP *  p  ) 
 

Definition at line 301 of file pcrm.c.

References MAX_PORTS, PORT_RULE_MAP::prmDstPort, PORT_RULE_MAP::prmGeneric, PORT_RULE_MAP::prmSrcPort, and prmxFreeGroup().

RULE_PTR prmGetFirstRule (  PORT_GROUP *  pg  ) 
 

Definition at line 604 of file pcrm.c.

References PORT_GROUP::pgCur, PORT_GROUP::pgHead, and _rule_node_::rnRuleData.

Referenced by BuildMultiPatGroup(), prmCompileByteGroups(), and prmCompileGroups().

RULE_PTR prmGetFirstRuleNC (  PORT_GROUP *  pg  ) 
 

Definition at line 710 of file pcrm.c.

References PORT_GROUP::pgCurNC, PORT_GROUP::pgHeadNC, and _rule_node_::rnRuleData.

Referenced by prmCompileByteGroups(), and prmCompileGroups().

RULE_PTR prmGetFirstRuleUri (  PORT_GROUP *  pg  ) 
 

Definition at line 657 of file pcrm.c.

References PORT_GROUP::pgUriCur, PORT_GROUP::pgUriHead, and _rule_node_::rnRuleData.

Referenced by BuildMultiPatGroupsUri(), and prmCompileGroups().

void* prmGetGroupPatData (  PORT_GROUP *  pg  ) 
 

Definition at line 1238 of file pcrm.c.

References PORT_GROUP::pgPatData.

RULE_PTR prmGetNextRule (  PORT_GROUP *  pg  ) 
 

Definition at line 630 of file pcrm.c.

References PORT_GROUP::pgCur, _rule_node_::rnNext, and _rule_node_::rnRuleData.

Referenced by prmCompileByteGroups(), and prmCompileGroups().

RULE_PTR prmGetNextRuleNC (  PORT_GROUP *  pg  ) 
 

Definition at line 736 of file pcrm.c.

References PORT_GROUP::pgCurNC, _rule_node_::rnNext, and _rule_node_::rnRuleData.

Referenced by prmCompileByteGroups(), and prmCompileGroups().

RULE_PTR prmGetNextRuleUri (  PORT_GROUP *  pg  ) 
 

Definition at line 683 of file pcrm.c.

References PORT_GROUP::pgUriCur, _rule_node_::rnNext, and _rule_node_::rnRuleData.

Referenced by prmCompileGroups().

BYTE_RULE_MAP* prmNewByteMap (   ) 
 

Definition at line 247 of file pcrm.c.

PORT_RULE_MAP* prmNewMap (   ) 
 

Definition at line 223 of file pcrm.c.

Referenced by fpCreateFastPacketDetection().

int prmSetGroupPatData (  PORT_GROUP *  pg,
void *  data
) 
 

Definition at line 1229 of file pcrm.c.

References PORT_GROUP::pgPatData.

int prmShowByteStats (  BYTE_RULE_MAP *  p  ) 
 

Definition at line 1477 of file pcrm.c.

References PORT_GROUP::avgLen, PORT_GROUP::c1, PORT_GROUP::c2, PORT_GROUP::c3, PORT_GROUP::c4, PORT_GROUP::maxLen, PORT_GROUP::minLen, PORT_GROUP::pgContentCount, PORT_GROUP::pgNoContentCount, prmFindByteRuleGroupUnique(), BYTE_RULE_MAP::prmGeneric, BYTE_RULE_MAP::prmNumGenericRules, BYTE_RULE_MAP::prmNumGroups, and BYTE_RULE_MAP::prmNumRules.

int prmShowEventByteStats (  BYTE_RULE_MAP *  p  ) 
 

Definition at line 1633 of file pcrm.c.

References PORT_GROUP::pgCount, PORT_GROUP::pgNQEvents, PORT_GROUP::pgQEvents, prmFindByteRuleGroupUnique(), BYTE_RULE_MAP::prmGeneric, BYTE_RULE_MAP::prmNumGenericRules, BYTE_RULE_MAP::prmNumGroups, and BYTE_RULE_MAP::prmNumRules.

int prmShowEventStats (  PORT_RULE_MAP *  p  ) 
 

Definition at line 1559 of file pcrm.c.

References MAX_PORTS, PORT_GROUP::pgCount, PORT_GROUP::pgNQEvents, PORT_GROUP::pgQEvents, prmFindDstRuleGroup(), prmFindSrcRuleGroup(), PORT_RULE_MAP::prmGeneric, PORT_RULE_MAP::prmNumDstGroups, PORT_RULE_MAP::prmNumDstRules, PORT_RULE_MAP::prmNumGenericRules, PORT_RULE_MAP::prmNumSrcGroups, and PORT_RULE_MAP::prmNumSrcRules.

Referenced by fpShowEventStats().

int prmShowStats (  PORT_RULE_MAP *  p  ) 
 

Definition at line 1405 of file pcrm.c.

References PORT_GROUP::avgLen, PORT_GROUP::c1, PORT_GROUP::c2, PORT_GROUP::c3, PORT_GROUP::c4, MAX_PORTS, PORT_GROUP::maxLen, PORT_GROUP::minLen, PORT_GROUP::pgContentCount, PORT_GROUP::pgNoContentCount, PORT_GROUP::pgUriContentCount, prmFindDstRuleGroup(), prmFindSrcRuleGroup(), PORT_RULE_MAP::prmGeneric, PORT_RULE_MAP::prmNumDstGroups, PORT_RULE_MAP::prmNumDstRules, PORT_RULE_MAP::prmNumGenericRules, PORT_RULE_MAP::prmNumSrcGroups, and PORT_RULE_MAP::prmNumSrcRules.

Referenced by fpCreateFastPacketDetection().

static int prmxAddPortRule (  PORT_GROUP *  p,
RULE_PTR  rd
)  [static]
 

Definition at line 394 of file pcrm.c.

References _rule_node_::iRuleNodeID, PORT_GROUP::pgContentCount, PORT_GROUP::pgCount, PORT_GROUP::pgHead, PORT_GROUP::pgTail, _rule_node_::rnNext, and _rule_node_::rnRuleData.

Referenced by prmAddByteRule(), prmAddRule(), prmCompileByteGroups(), and prmCompileGroups().

static int prmxAddPortRuleNC (  PORT_GROUP *  p,
RULE_PTR  rd
)  [static]
 

Definition at line 521 of file pcrm.c.

References _rule_node_::iRuleNodeID, PORT_GROUP::pgCount, PORT_GROUP::pgHeadNC, PORT_GROUP::pgNoContentCount, PORT_GROUP::pgTailNC, _rule_node_::rnNext, and _rule_node_::rnRuleData.

Referenced by prmAddByteRuleNC(), prmAddRuleNC(), prmCompileByteGroups(), and prmCompileGroups().

static int prmxAddPortRuleUri (  PORT_GROUP *  p,
RULE_PTR  rd
)  [static]
 

Definition at line 457 of file pcrm.c.

References _rule_node_::iRuleNodeID, PORT_GROUP::pgCount, PORT_GROUP::pgUriContentCount, PORT_GROUP::pgUriHead, PORT_GROUP::pgUriTail, _rule_node_::rnNext, and _rule_node_::rnRuleData.

Referenced by prmAddRuleUri(), and prmCompileGroups().

static void prmxFreeGroup (  PORT_GROUP *  pg  )  [static]
 

Definition at line 272 of file pcrm.c.

References PORT_GROUP::pgHead, and _rule_node_::rnNext.

Referenced by prmFreeByteMap(), and prmFreeMap().

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