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Fix lf location array from unknown syslog #1618

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Merged
merged 3 commits into from
Jan 2, 2019
Merged

Fix lf location array from unknown syslog #1618

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48ebe14
Fix lf->location array from unknow syslog
atomicturtle Dec 31, 2018
55533d7
Remove duplicate line
atomicturtle Dec 31, 2018
d0c9074
Fix for strncpy
atomicturtle Jan 2, 2019
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74 changes: 38 additions & 36 deletions src/analysisd/format/json_extended.c
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Original file line number Diff line number Diff line change
Expand Up @@ -251,15 +251,18 @@ int W_isRootcheck(cJSON *root, int nested){
// ** TODO ** Regex instead str_cut
void W_JSON_ParseHostname(cJSON *root, char *hostname){
if(hostname[0] == '('){
char *e;
char string[strlen(hostname) + 1];
strcpy(string,hostname);
char *search;
char string[MAX_STRING];
strncpy(string,hostname,MAX_STRING - 1);
int index;
e = strchr(string, ')');
index = (int)(e - string);
str_cut(string, index, -1);
str_cut(string, 0, 1);
cJSON_AddStringToObject(root, "hostname", string);
search = strchr(string, ')');
if(search){
index = (int)(search - string);
str_cut(string, index, -1);
str_cut(string, 0, 1);
cJSON_AddStringToObject(root, "hostname", string);
}

}else{
cJSON_AddStringToObject(root, "hostname", hostname);
}
Expand All @@ -276,36 +279,41 @@ void W_JSON_ParseHostname(cJSON *root, char *hostname){
// ** TODO ** Regex instead str_cut
void W_JSON_ParseAgentIP(cJSON *root, const Eventinfo *lf){
if(lf->hostname[0] == '('){
char *e;
char string[strlen(lf->hostname) + 1];
strcpy(string,lf->hostname);
char *search;
char string[MAX_STRING];
strncpy(string,lf->hostname,MAX_STRING - 1);
int index;
e = strchr(string, ')');
index = (int)(e - string);
str_cut(string, 0, index);
str_cut(string, 0, 2);
e = strchr(string, '-');
index = (int)(e - string);
str_cut(string, index, -1);
cJSON_AddStringToObject(root, "agentip", string);
search = strchr(string, ')');
if(search){
index = (int)(search - string);
str_cut(string, 0, index);
str_cut(string, 0, 2);
search = strchr(string, '-');
index = (int)(search - string);
str_cut(string, index, -1);
cJSON_AddStringToObject(root, "agentip", string);
}
}

}
// The file location usually comes with more information about the alert (like hostname or ip) we will extract just the "/var/folder/file.log".
void W_JSON_ParseLocation(cJSON *root, const Eventinfo *lf, int archives){
if(lf->location[0] == '('){
char *e;
char string[strlen(lf->location)];
strcpy(string,lf->location);
char *search;
char string[MAX_STRING];
strncpy(string,lf->location,MAX_STRING - 1);
int index;
e = strchr(string, '>');
index = (int)(e - string);
str_cut(string, 0, index);
str_cut(string, 0, 1);
if(archives == 1)
cJSON_AddStringToObject(root, "location_desc", string);
else
cJSON_AddStringToObject(root, "location", string);
search = strchr(string, '>');
if(search){
index = (int)(search - string);
str_cut(string, 0, index);
str_cut(string, 0, 1);

if(archives == 1)
cJSON_AddStringToObject(root, "location_desc", string);
else
cJSON_AddStringToObject(root, "location", string);
}
}else{
if(archives == 1)
cJSON_AddStringToObject(root, "location_desc", lf->location);
Expand Down Expand Up @@ -382,9 +390,3 @@ void trim(char * s) {

memmove(s, p, l + 1);
}
void removeChar( char * string, char letter ) {
unsigned int i;
for(i = 0; i < strlen( string ); i++ )
if( string[i] == letter )
strcpy( string + i, string + i + 1 );
}
2 changes: 0 additions & 2 deletions src/analysisd/format/to_json.c
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Original file line number Diff line number Diff line change
Expand Up @@ -289,8 +289,6 @@ char *Archiveinfo_to_jsonstr(const Eventinfo *lf)
cJSON_AddNumberToObject(decoder, "fts", lf->decoder_info->fts);
if (lf->decoder_info->accumulate)
cJSON_AddNumberToObject(decoder, "accumulate", lf->decoder_info->accumulate);
if (lf->decoder_info->accumulate)
cJSON_AddNumberToObject(decoder, "accumulate", lf->decoder_info->accumulate);

if (lf->decoder_info->parent)
cJSON_AddStringToObject(decoder, "parent", lf->decoder_info->parent);
Expand Down