mirror of
https://github.com/lunchcat/sif.git
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146 lines
5.2 KiB
Go
146 lines
5.2 KiB
Go
package modules_test
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"testing"
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"time"
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"github.com/vmfunc/sif/internal/modules"
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)
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func runWebSrvModule(t *testing.T, file string, status int, body string) *modules.Result {
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t.Helper()
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def, err := modules.ParseYAMLModule(file)
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if err != nil {
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t.Fatalf("parse %s: %v", file, err)
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}
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(status)
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_, _ = w.Write([]byte(body))
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}))
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defer srv.Close()
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res, err := modules.ExecuteHTTPModule(context.Background(), srv.URL, def, modules.Options{
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Timeout: 5 * time.Second,
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Threads: 2,
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})
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if err != nil {
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t.Fatalf("execute %s: %v", file, err)
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}
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return res
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}
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func webSrvExtract(res *modules.Result, key string) string {
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for _, f := range res.Findings {
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if v := f.Extracted[key]; v != "" {
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return v
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}
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}
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return ""
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}
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func TestWebserverConfigExposureModules(t *testing.T) {
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const htpasswd = "../../modules/recon/htpasswd-exposure.yaml"
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const webconfig = "../../modules/recon/webconfig-exposure.yaml"
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const htaccess = "../../modules/recon/htaccess-exposure.yaml"
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t.Run("htpasswd leaks the user and an apache md5 hash", func(t *testing.T) {
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body := "admin:$apr1$z9c.x1pq$Q8r6Jm0pYh0pX2yq4nN3l1\nbackup:$apr1$ab$cd\n"
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res := runWebSrvModule(t, htpasswd, 200, body)
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if len(res.Findings) == 0 {
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t.Fatal("expected an htpasswd finding")
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}
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if v := webSrvExtract(res, "htpasswd_user"); v != "admin" {
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t.Errorf("htpasswd_user=%q, want admin", v)
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}
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})
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t.Run("htpasswd with a bcrypt hash also matches", func(t *testing.T) {
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body := "deploy:$2y$10$N9qo8uLOickgx2ZMRZoMyeIjZAgcfl7p92ldGxad68LJZ\n"
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if res := runWebSrvModule(t, htpasswd, 200, body); len(res.Findings) == 0 {
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t.Fatal("expected an htpasswd finding for a bcrypt hash")
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}
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})
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t.Run("web.config leaks a connection string", func(t *testing.T) {
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body := `<?xml version="1.0"?><configuration><connectionStrings>` +
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`<add name="Default" connectionString="Server=db;Database=app;User Id=sa;Password=p@ss;" ` +
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`providerName="System.Data.SqlClient" /></connectionStrings></configuration>`
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res := runWebSrvModule(t, webconfig, 200, body)
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if len(res.Findings) == 0 {
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t.Fatal("expected a web.config finding")
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}
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want := "Server=db;Database=app;User Id=sa;Password=p@ss;"
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if v := webSrvExtract(res, "connection_string"); v != want {
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t.Errorf("connection_string=%q, want %q", v, want)
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}
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})
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t.Run("htaccess leaks the password file path", func(t *testing.T) {
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body := "RewriteEngine On\nAuthType Basic\nAuthName \"Restricted\"\n" +
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"AuthUserFile /var/www/.htpasswd\nRequire valid-user\n"
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res := runWebSrvModule(t, htaccess, 200, body)
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if len(res.Findings) == 0 {
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t.Fatal("expected an htaccess finding")
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}
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if v := webSrvExtract(res, "auth_user_file"); v != "/var/www/.htpasswd" {
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t.Errorf("auth_user_file=%q, want /var/www/.htpasswd", v)
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}
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})
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t.Run("a minimal htaccess with only access control still flags", func(t *testing.T) {
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body := "Options -Indexes\nDeny from all\n"
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if res := runWebSrvModule(t, htaccess, 200, body); len(res.Findings) == 0 {
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t.Fatal("expected a finding for a deny-from-all htaccess")
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}
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})
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t.Run("a plaintext password line is not a hash", func(t *testing.T) {
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body := "admin:notahashedpassword\n"
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if res := runWebSrvModule(t, htpasswd, 200, body); len(res.Findings) > 0 {
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t.Errorf("a plaintext line should not match, got %d findings", len(res.Findings))
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}
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})
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t.Run("a configuration element without a dotnet section is not a leak", func(t *testing.T) {
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body := `<?xml version="1.0"?><configuration><customRoot><foo/></customRoot></configuration>`
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if res := runWebSrvModule(t, webconfig, 200, body); len(res.Findings) > 0 {
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t.Errorf("a non dotnet configuration should not match, got %d findings", len(res.Findings))
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}
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})
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t.Run("a docs page that embeds a raw web.config sample is not flagged", func(t *testing.T) {
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body := `<!DOCTYPE html><html><head><title>IIS docs</title></head><body>` +
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`<p>example: <configuration><connectionStrings><add name="x"/></connectionStrings></configuration></p>` +
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`</body></html>`
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if res := runWebSrvModule(t, webconfig, 200, body); len(res.Findings) > 0 {
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t.Errorf("an html docs page should not match, got %d findings", len(res.Findings))
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}
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})
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t.Run("an html page is not an htaccess", func(t *testing.T) {
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body := "<html><head><title>x</title></head><body>RewriteEngine On AuthType Basic</body></html>"
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if res := runWebSrvModule(t, htaccess, 200, body); len(res.Findings) > 0 {
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t.Errorf("an html page should not match, got %d findings", len(res.Findings))
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}
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})
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t.Run("a plain 200 body is not a leak", func(t *testing.T) {
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for _, file := range []string{htpasswd, webconfig, htaccess} {
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if res := runWebSrvModule(t, file, 200, "ok"); len(res.Findings) > 0 {
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t.Errorf("%s: a plain 200 body should not match, got %d findings", file, len(res.Findings))
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}
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}
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})
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t.Run("a 404 is not a leak", func(t *testing.T) {
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for _, file := range []string{htpasswd, webconfig, htaccess} {
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if res := runWebSrvModule(t, file, 404, "not found"); len(res.Findings) > 0 {
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t.Errorf("%s: a 404 should not match, got %d findings", file, len(res.Findings))
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}
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}
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})
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}
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