-
Notifications
You must be signed in to change notification settings - Fork 0
/
execute.go
103 lines (85 loc) · 3.59 KB
/
execute.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
// Copyright 2020 Ondrej Holecek <ondrej@holecek.eu>. All rights reserved. Use of this source code
// is governed by the CC BY-ND 4.0 license that can be found in the LICENSE.txt file.
package main
import (
"bufio"
"os"
"foset/plugins/common"
"foset/fortisession"
"foset/fortisession/fortiformatter"
"foset/fortisession/forticonditioner"
)
type ExecuteParams struct {
threads int
sessionfile string
nobuffer bool
gzip_in bool
cache_save bool
cache_read bool
data_request *fortisession.SessionDataRequest
conditioner *forticonditioner.Condition
formatter *fortiformatter.Formatter
plugins []*plugin_common.FosetPlugin
outfile string
progfile string
}
func execute(ep ExecuteParams) {
parsed_sessions := make(chan *fortisession.Session, 250*(ep.threads))
all_sessions_collected := make(chan bool)
var session_cache *CacheFile
var inerr error
if ep.cache_save {
session_cache, inerr = CacheInit(ep.sessionfile+ ".cache", "w", ep.threads)
ep.data_request.Plain = false
go save_sessions(parsed_sessions, session_cache, ep.conditioner, ep.plugins, all_sessions_collected)
file_processing := Init_file_processing(parsed_sessions, ep.data_request, ep.threads, ep.conditioner, ep.plugins, ep.progfile)
inerr = file_processing.Read_all_from_file(ep.sessionfile, Compression { Gzip : ep.gzip_in })
} else if ep.cache_read {
session_cache, inerr = CacheInit(ep.sessionfile+ ".cache", "r", ep.threads)
go collect_sessions(parsed_sessions, ep.formatter, ep.conditioner, ep.plugins, all_sessions_collected, ep.outfile, !(ep.nobuffer))
inerr = session_cache.ReadAll(parsed_sessions)
} else {
go collect_sessions(parsed_sessions, ep.formatter, ep.conditioner, ep.plugins, all_sessions_collected, ep.outfile, !(ep.nobuffer))
file_processing := Init_file_processing(parsed_sessions, ep.data_request, ep.threads, ep.conditioner, ep.plugins, ep.progfile)
inerr = file_processing.Read_all_from_file(ep.sessionfile, Compression { Gzip : ep.gzip_in })
}
if inerr != nil {
log.Criticalf("Input data read error: %s", inerr)
os.Exit(100)
}
close(parsed_sessions)
<-all_sessions_collected // wait for all sessions to be collected in gorutine before exiting main program
if session_cache != nil { session_cache.Finalize() }
}
func save_sessions(results chan *fortisession.Session, cache *CacheFile, conditioner *forticonditioner.Condition, plugins []*plugin_common.FosetPlugin, done chan bool) {
for session := range results {
if run_plugins(plugins, PLUGINS_BEFORE_FILTER, session) { continue }
if conditioner != nil && !conditioner.Matches(session) { continue }
if run_plugins(plugins, PLUGINS_AFTER_FILTER, session) { continue }
cache.Write(session)
}
run_plugins(plugins, PLUGINS_FINISHED, nil)
done <- true
}
func collect_sessions(results chan *fortisession.Session, formatter *fortiformatter.Formatter, conditioner *forticonditioner.Condition, plugins []*plugin_common.FosetPlugin, done chan bool, outfile string, buffer bool) {
// where to write our output?
printer, wparams, err := inputs.ProvideWriter(outfile)
if err != nil {
log.Criticalf("Output stream error: %s", err)
os.Exit(100)
}
// prepare the buffer (even if it is not going to be used)
w := bufio.NewWriterSize(printer, 1024)
//
for session := range results {
log.Tracef("Collecting session: %#x\n%#f", session.Serial, session)
if buffer && !wparams.IsTerminal {
w.WriteString(formatter.Format(session) + "\n")
} else {
printer.Write(append([]byte(formatter.Format(session)), []byte("\n")...))
}
}
w.Flush()
run_plugins(plugins, PLUGINS_FINISHED, nil)
done <- true
}