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Mods to implement Gerth Role direction indicator ... #45

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Merged
openargus merged 1 commit into from
Sep 30, 2026
Merged

Mods to implement Gerth Role direction indicator ... #45

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44 changes: 30 additions & 14 deletions common/argus_util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -13919,6 +13919,8 @@ ArgusPrintDirection (struct ArgusParserStruct *parser, char *buf, struct ArgusRe
struct ArgusMetricStruct *metric = (struct ArgusMetricStruct *)argus->dsrs[ARGUS_METRIC_INDEX];
struct ArgusFlow *flow = (struct ArgusFlow *)argus->dsrs[ARGUS_FLOW_INDEX];
struct ArgusNetworkStruct *net = (struct ArgusNetworkStruct *)argus->dsrs[ARGUS_NETWORK_INDEX];
struct ArgusNetspatialStruct *local = (struct ArgusNetspatialStruct *) argus->dsrs[ARGUS_LOCAL_INDEX];

int type, src_count = 0, dst_count = 0;

if (metric == NULL) {
Expand All @@ -13929,13 +13931,15 @@ ArgusPrintDirection (struct ArgusParserStruct *parser, char *buf, struct ArgusRe

} else {
if (strcmp("%d", format) == 0) {
int dirInt = 0;
if ((dst_count = metric->dst.pkts) == 0)
dirInt = 1;
if ((src_count = metric->src.pkts) == 0)
dirInt = -1;
if ((src_count == 0) && (dst_count == 0))
dirInt = 0;
int dFactor = 1;
int dValue = 1;

if (local != NULL) {
if (local->sloc >= local->dloc)
dFactor = 1;
if (local->sloc < local->dloc)
dFactor = -1;
}

if (flow != NULL) {
switch (flow->hdr.subtype & 0x3F) {
Expand All @@ -13947,13 +13951,13 @@ ArgusPrintDirection (struct ArgusParserStruct *parser, char *buf, struct ArgusRe
if (net != NULL) {
struct ArgusTCPObject *tcp = (struct ArgusTCPObject *)&net->net_union.tcp;
if (!((tcp->status & ARGUS_SAW_SYN) || (tcp->status & ARGUS_SAW_SYN_SENT))) {
dirInt = 0;
dFactor = 0;
}
if ((tcp->status & ARGUS_SAW_SYN) || (tcp->status & ARGUS_SAW_SYN_SENT)) {
if (flow->hdr.subtype & ARGUS_REVERSE) {
dirInt = -1;
dFactor = -1;
} else {
dirInt = 1;
dFactor = 1;
}
}
}
Expand All @@ -13968,13 +13972,13 @@ ArgusPrintDirection (struct ArgusParserStruct *parser, char *buf, struct ArgusRe
if (net != NULL) {
struct ArgusTCPObject *tcp = (struct ArgusTCPObject *)&net->net_union.tcp;
if (!((tcp->status & ARGUS_SAW_SYN) || (tcp->status & ARGUS_SAW_SYN_SENT))) {
dirInt = 0;
dFactor = 0;
} else {
if ((tcp->status & ARGUS_SAW_SYN) || (tcp->status & ARGUS_SAW_SYN_SENT)) {
if (flow->hdr.subtype & ARGUS_REVERSE) {
dirInt = -1;
dFactor = -1;
} else {
dirInt = 1;
dFactor = 1;
}
}
}
Expand All @@ -13988,8 +13992,20 @@ ArgusPrintDirection (struct ArgusParserStruct *parser, char *buf, struct ArgusRe
}
}
}
/*
2 is for both directions
3 payloads in both directions
*/
if (((dst_count = metric->dst.pkts) > 0) &&
((src_count = metric->src.pkts) > 0)) {
dValue = 2;
if ((ArgusFetchSrcAppByteCount(argus) > 0) &&
(ArgusFetchDstAppByteCount(argus) > 0)) {
dValue = 3;
}
}

sprintf (buf, "%*d ", len, dirInt);
sprintf (buf, "%*d ", len, (dFactor * dValue));

} else {
char dirStr[16];
Expand Down
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