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Do autocalibration for full path (#22)

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* Do autocalibration for full path

* Linter fixes
This commit is contained in:
Joona Hoikkala 2022-04-04 02:42:31 +03:00 committed by Joona Hoikkala
parent 21a19a1f3d
commit 1db80d49fc
3 changed files with 24 additions and 10 deletions
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20
pkg/ffuf/autocalibration.go
View file

@ -55,14 +55,18 @@ func (j *Job) calibrationRequest(inputs map[string][]byte) (Response, error) {
}
//CalibrateForHost runs autocalibration for a specific host
func (j *Job) CalibrateForHost(host string, input map[string][]byte) error {
func (j *Job) CalibrateForHost(host string, baseinput map[string][]byte) error {
if j.Config.MatcherManager.CalibratedForDomain(host) {
return nil
}
if input[j.Config.AutoCalibrationKeyword] == nil {
if baseinput[j.Config.AutoCalibrationKeyword] == nil {
return fmt.Errorf("Autocalibration keyword \"%s\" not found in the request.", j.Config.AutoCalibrationKeyword)
}
cStrings := j.autoCalibrationStrings()
input := make(map[string][]byte)
for k, v := range baseinput {
input[k] = v
}
for _, v := range cStrings {
responses := make([]Response, 0)
for _, cs := range v {
@ -136,14 +140,14 @@ func (j *Job) calibrateFilters(responses []Response, perHost bool) error {
if sizeMatch {
if perHost {
// Check if already filtered
for _, f := range j.Config.MatcherManager.FiltersForDomain(responses[0].Request.Host) {
for _, f := range j.Config.MatcherManager.FiltersForDomain(HostURLFromRequest(*responses[0].Request)) {
match, _ := f.Filter(&responses[0])
if match {
// Already filtered
return nil
}
}
_ = j.Config.MatcherManager.AddPerDomainFilter(responses[0].Request.Host, "size", strconv.FormatInt(baselineSize, 10))
_ = j.Config.MatcherManager.AddPerDomainFilter(HostURLFromRequest(*responses[0].Request), "size", strconv.FormatInt(baselineSize, 10))
return nil
} else {
// Check if already filtered
@ -170,14 +174,14 @@ func (j *Job) calibrateFilters(responses []Response, perHost bool) error {
if wordsMatch {
if perHost {
// Check if already filtered
for _, f := range j.Config.MatcherManager.FiltersForDomain(responses[0].Request.Host) {
for _, f := range j.Config.MatcherManager.FiltersForDomain(HostURLFromRequest(*responses[0].Request)) {
match, _ := f.Filter(&responses[0])
if match {
// Already filtered
return nil
}
}
_ = j.Config.MatcherManager.AddPerDomainFilter(responses[0].Request.Host, "word", strconv.FormatInt(baselineWords, 10))
_ = j.Config.MatcherManager.AddPerDomainFilter(HostURLFromRequest(*responses[0].Request), "word", strconv.FormatInt(baselineWords, 10))
return nil
} else {
// Check if already filtered
@ -204,14 +208,14 @@ func (j *Job) calibrateFilters(responses []Response, perHost bool) error {
if linesMatch {
if perHost {
// Check if already filtered
for _, f := range j.Config.MatcherManager.FiltersForDomain(responses[0].Request.Host) {
for _, f := range j.Config.MatcherManager.FiltersForDomain(HostURLFromRequest(*responses[0].Request)) {
match, _ := f.Filter(&responses[0])
if match {
// Already filtered
return nil
}
}
_ = j.Config.MatcherManager.AddPerDomainFilter(responses[0].Request.Host, "line", strconv.FormatInt(baselineLines, 10))
_ = j.Config.MatcherManager.AddPerDomainFilter(HostURLFromRequest(*responses[0].Request), "line", strconv.FormatInt(baselineLines, 10))
return nil
} else {
// Check if already filtered

4
pkg/ffuf/job.go
View file

@ -329,7 +329,7 @@ func (j *Job) isMatch(resp Response) bool {
var matchers map[string]FilterProvider
var filters map[string]FilterProvider
if j.Config.AutoCalibrationPerHost {
filters = j.Config.MatcherManager.FiltersForDomain(resp.Request.Host)
filters = j.Config.MatcherManager.FiltersForDomain(HostURLFromRequest(*resp.Request))
} else {
filters = j.Config.MatcherManager.GetFilters()
}
@ -415,7 +415,7 @@ func (j *Job) runTask(input map[string][]byte, position int, retried bool) {
j.pauseWg.Wait()
// Handle autocalibration, must be done after the actual request to ensure sane value in req.Host
_ = j.CalibrateIfNeeded(req.Host, input)
_ = j.CalibrateIfNeeded(HostURLFromRequest(req), input)
if j.isMatch(resp) {
// Re-send request through replay-proxy if needed

10
pkg/ffuf/util.go
View file

@ -3,6 +3,7 @@ package ffuf
import (
"fmt"
"math/rand"
"net/url"
"os"
"strings"
)
@ -66,6 +67,15 @@ func RequestContainsKeyword(req Request, kw string) bool {
return false
}
//HostURLFromRequest gets a host + path without the filename or last part of the URL path
func HostURLFromRequest(req Request) string {
u, _ := url.Parse(req.Url)
u.Host = req.Host
pathparts := strings.Split(u.Path, "/")
trimpath := strings.TrimSpace(strings.Join(pathparts[:len(pathparts)-1], "/"))
return u.Host + trimpath
}
//Version returns the ffuf version string
func Version() string {
return fmt.Sprintf("%s%s", VERSION, VERSION_APPENDIX)