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detect-engine-port.h File Reference
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Functions

int DetectPortParse (const DetectEngineCtx *, DetectPort **head, const char *str)
 Function for parsing port strings. More...
 
DetectPortDetectPortCopySingle (DetectEngineCtx *, DetectPort *)
 Function that return a copy of DetectPort src sigs. More...
 
int DetectPortInsert (DetectEngineCtx *, DetectPort **, DetectPort *)
 function for inserting a port group object. This also makes sure SigGroupContainer lists are handled correctly. More...
 
void DetectPortCleanupList (const DetectEngineCtx *de_ctx, DetectPort *head)
 Free a DetectPort list and each of its members. More...
 
DetectPortDetectPortLookupGroup (DetectPort *dp, uint16_t port)
 Function that find the group matching address in a group head. More...
 
bool DetectPortListsAreEqual (DetectPort *list1, DetectPort *list2)
 Checks if two port group lists are equal. More...
 
void DetectPortPrint (DetectPort *)
 Helper function that print the DetectPort info. More...
 
void DetectPortPrintList (DetectPort *head)
 Helper function used to print the list of ports present in this DetectPort list. More...
 
int DetectPortCmp (DetectPort *, DetectPort *)
 Function that compare port groups. More...
 
void DetectPortFree (const DetectEngineCtx *de_ctx, DetectPort *)
 Free a DetectPort and its members. More...
 
int DetectPortTestConfVars (void)
 
DetectPortDetectPortHashLookup (DetectEngineCtx *de_ctx, DetectPort *dp)
 Used to lookup a DetectPort hash from the detection engine context DetectPort hash table. More...
 
void DetectPortHashFree (DetectEngineCtx *de_ctx)
 Frees the hash table - DetectEngineCtx->sgh_hash_table, allocated by DetectPortInit() function. More...
 
int DetectPortHashAdd (DetectEngineCtx *de_ctx, DetectPort *dp)
 Adds a DetectPort to the detection engine context DetectPort hash table. More...
 
int DetectPortHashInit (DetectEngineCtx *de_ctx)
 Initializes the hash table in the detection engine context to hold the DetectPort hash. More...
 
void DetectPortTests (void)
 

Detailed Description

Function Documentation

◆ DetectPortCleanupList()

void DetectPortCleanupList ( const DetectEngineCtx de_ctx,
DetectPort head 
)

Free a DetectPort list and each of its members.

Parameters
headPointer to the DetectPort list head

Definition at line 120 of file detect-engine-port.c.

References de_ctx, DetectPortFree(), head, next, and DetectPort_::next.

Referenced by SigAddressCleanupStage1().

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◆ DetectPortCmp()

int DetectPortCmp ( DetectPort a,
DetectPort b 
)

Function that compare port groups.

Parameters
apointer to DetectPort "a"
bpointer to DetectPort "b"
Return values
PORT_XX(Port enum value, XX is EQ, ES, EB, LE, etc)
PORT_ERon error

Definition at line 550 of file detect-engine-port.c.

References BUG_ON, DetectPort_::flags, DetectPort_::port, DetectPort_::port2, PORT_EB, PORT_EQ, PORT_ER, PORT_ES, PORT_FLAG_ANY, PORT_GE, PORT_GT, PORT_LE, and PORT_LT.

Referenced by DetectPortInsert(), and DetectPortListsAreEqual().

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◆ DetectPortCopySingle()

DetectPort* DetectPortCopySingle ( DetectEngineCtx de_ctx,
DetectPort src 
)

Function that return a copy of DetectPort src sigs.

Parameters
de_ctxPointer to the current Detection Engine Context
srcPointer to a DetectPort group to copy
Return values
Pointerto a DetectPort instance (copy of src)
NULLon error

Definition at line 606 of file detect-engine-port.c.

References dst, and src.

◆ DetectPortFree()

void DetectPortFree ( const DetectEngineCtx de_ctx,
DetectPort dp 
)

Free a DetectPort and its members.

Parameters
dpPointer to the DetectPort that has to be freed.

Definition at line 79 of file detect-engine-port.c.

References de_ctx, DetectPort_::flags, PORT_SIGGROUPHEAD_COPY, SCFree, DetectPort_::sh, and SigGroupHeadFree().

Referenced by DetectPortCleanupList(), and DetectPortInsert().

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◆ DetectPortHashAdd()

int DetectPortHashAdd ( DetectEngineCtx de_ctx,
DetectPort dp 
)

Adds a DetectPort to the detection engine context DetectPort hash table.

Parameters
de_ctxPointer to the detection engine context.
dpPointer to the DetectPort.
Return values
ret0 on Successfully adding the DetectPort; -1 on failure.

Definition at line 1438 of file detect-engine-port.c.

References de_ctx, DetectEngineCtx_::dport_hash_table, and HashListTableAdd().

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◆ DetectPortHashFree()

void DetectPortHashFree ( DetectEngineCtx de_ctx)

Frees the hash table - DetectEngineCtx->sgh_hash_table, allocated by DetectPortInit() function.

Parameters
de_ctxPointer to the detection engine context.

Definition at line 1469 of file detect-engine-port.c.

References de_ctx, DetectEngineCtx_::dport_hash_table, HashListTableFree(), and DetectEngineCtx_::sgh_hash_table.

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◆ DetectPortHashInit()

int DetectPortHashInit ( DetectEngineCtx de_ctx)

Initializes the hash table in the detection engine context to hold the DetectPort hash.

Parameters
de_ctxPointer to the detection engine context.
Return values
0On success.
-1On failure.

Definition at line 1418 of file detect-engine-port.c.

References de_ctx, DetectEngineCtx_::dport_hash_table, and HashListTableInit().

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◆ DetectPortHashLookup()

DetectPort* DetectPortHashLookup ( DetectEngineCtx de_ctx,
DetectPort dp 
)

Used to lookup a DetectPort hash from the detection engine context DetectPort hash table.

Parameters
de_ctxPointer to the detection engine context.
sghPointer to the DetectPort.
Return values
rsghOn success a pointer to the DetectPort if the DetectPort is found in the hash table; NULL on failure.

Definition at line 1454 of file detect-engine-port.c.

References de_ctx, DetectEngineCtx_::dport_hash_table, HashListTableLookup(), SCEnter, and SCReturnPtr.

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◆ DetectPortInsert()

int DetectPortInsert ( DetectEngineCtx de_ctx,
DetectPort **  head,
DetectPort new 
)

function for inserting a port group object. This also makes sure SigGroupContainer lists are handled correctly.

Parameters
de_ctxPointer to the current detection engine context
headPointer to the DetectPort list head
dpDetectPort to search in the DetectPort list
Return values
1inserted
0not inserted, memory of new is freed
-1error
Todo:
rewrite to avoid recursive calls

Definition at line 149 of file detect-engine-port.c.

References BUG_ON, de_ctx, DetectPortCmp(), DetectPortFree(), head, DetectPort_::next, PORT_EQ, PORT_ER, PORT_GT, PORT_LT, DetectPort_::prev, SCLogDebug, DetectPort_::sh, and SigGroupHeadCopySigs().

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◆ DetectPortListsAreEqual()

bool DetectPortListsAreEqual ( DetectPort list1,
DetectPort list2 
)

Checks if two port group lists are equal.

Parameters
list1Pointer to the first port group list.
list2Pointer to the second port group list.
Return values
trueOn success.
falseOn failure.

Definition at line 694 of file detect-engine-port.c.

References DetectPortCmp(), DetectPort_::next, and PORT_EQ.

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◆ DetectPortLookupGroup()

DetectPort* DetectPortLookupGroup ( DetectPort dp,
uint16_t  port 
)

Function that find the group matching address in a group head.

Parameters
dpPointer to DetectPort group where we try to find the group
portport to search/lookup
Return values
Pointerto the DetectPort group of our port if it matched
NULLif port is not in the list

Definition at line 669 of file detect-engine-port.c.

References DetectPort_::next.

Referenced by IPOnlyMatchPacket().

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◆ DetectPortParse()

int DetectPortParse ( const DetectEngineCtx de_ctx,
DetectPort **  head,
const char *  str 
)

Function for parsing port strings.

Parameters
headPointer to the head of the DetectPort group list
strPointer to the port string
Return values
0on success
-1on error

Definition at line 1231 of file detect-engine-port.c.

References SCLogDebug, and str.

Referenced by AppLayerProtoDetectPPRegister().

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◆ DetectPortPrint()

void DetectPortPrint ( DetectPort dp)

Helper function that print the DetectPort info.

Return values
none

Definition at line 646 of file detect-engine-port.c.

References DetectPort_::flags, DetectPort_::port, DetectPort_::port2, PORT_FLAG_ANY, and SCLogDebug.

Referenced by DetectPortPrintList().

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◆ DetectPortPrintList()

void DetectPortPrintList ( DetectPort head)

Helper function used to print the list of ports present in this DetectPort list.

Parameters
headPointer to the DetectPort list head

Definition at line 99 of file detect-engine-port.c.

References DetectPortPrint(), head, DetectPort_::next, and SCLogDebug.

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◆ DetectPortTestConfVars()

int DetectPortTestConfVars ( void  )

Definition at line 1157 of file detect-engine-port.c.

References ConfGetNode(), ConfNode_::name, next, SCLogDebug, TAILQ_FOREACH, TAILQ_HEAD_INITIALIZER, and ConfNode_::val.

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◆ DetectPortTests()

void DetectPortTests ( void  )

Definition at line 2435 of file detect-engine-port.c.

References UtRegisterTest().

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