Compare commits

...

8 commits

Author SHA1 Message Date
Laurence Jones
05b54687b6
feat: support stdout in cscli support dump (#2939)
* feat: support stdout in cscli support dump

* fix: skip log.info if stdout

* fix: handle errors by returning to runE instead
2024-04-26 15:56:15 +01:00
mmetc
c4473839c4
Refact pkg/parser/node (#2953)
* extract method processFilter()

* extract method processWhitelist()

* lint (whitespace, errors)
2024-04-25 17:53:10 +02:00
mmetc
d2c4bc55fc
plugins: use yaml.v3 (#2969)
* plugins: use yaml.v3

* lint
2024-04-25 17:34:49 +02:00
mmetc
2abc078e53
use go 1.22.2 (#2826) 2024-04-25 15:11:08 +02:00
blotus
ceb4479ec4
add zfs magic for GetFSType (#2950) 2024-04-25 15:05:11 +02:00
mmetc
845d4542bb
cscli: use yaml.v3 (#2965)
* cscli: use yaml.v3

* lint
2024-04-25 14:41:02 +02:00
Thibault "bui" Koechlin
f4ed7b3520
Truncate meta data (#2966)
* truncate meta-data if they are too big
2024-04-25 13:43:38 +02:00
mmetc
60431804d8
db config: don't exit setup if can't detect fs, improve detection for freebsd (#2963) 2024-04-25 11:11:57 +02:00
31 changed files with 311 additions and 163 deletions

View file

@ -33,7 +33,7 @@ jobs:
- name: "Set up Go"
uses: actions/setup-go@v5
with:
go-version: "1.21.9"
go-version: "1.22.2"
- name: "Install bats dependencies"
env:

View file

@ -36,7 +36,7 @@ jobs:
- name: "Set up Go"
uses: actions/setup-go@v5
with:
go-version: "1.21.9"
go-version: "1.22.2"
- name: "Install bats dependencies"
env:

View file

@ -45,7 +45,7 @@ jobs:
- name: "Set up Go"
uses: actions/setup-go@v5
with:
go-version: "1.21.9"
go-version: "1.22.2"
- name: "Install bats dependencies"
env:

View file

@ -28,7 +28,7 @@ jobs:
- name: "Set up Go"
uses: actions/setup-go@v5
with:
go-version: "1.21.9"
go-version: "1.22.2"
- name: "Install bats dependencies"
env:

View file

@ -35,7 +35,7 @@ jobs:
- name: "Set up Go"
uses: actions/setup-go@v5
with:
go-version: "1.21.9"
go-version: "1.22.2"
- name: Build
run: make windows_installer BUILD_RE2_WASM=1

View file

@ -52,7 +52,7 @@ jobs:
- name: "Set up Go"
uses: actions/setup-go@v5
with:
go-version: "1.21.9"
go-version: "1.22.2"
cache-dependency-path: "**/go.sum"
# Initializes the CodeQL tools for scanning.

View file

@ -34,7 +34,7 @@ jobs:
- name: "Set up Go"
uses: actions/setup-go@v5
with:
go-version: "1.21.9"
go-version: "1.22.2"
- name: Build
run: |

View file

@ -126,7 +126,7 @@ jobs:
- name: "Set up Go"
uses: actions/setup-go@v5
with:
go-version: "1.21.9"
go-version: "1.22.2"
- name: Create localstack streams
run: |

View file

@ -25,7 +25,7 @@ jobs:
- name: "Set up Go"
uses: actions/setup-go@v5
with:
go-version: "1.21.9"
go-version: "1.22.2"
- name: Build the binaries
run: |

View file

@ -3,7 +3,7 @@
linters-settings:
cyclop:
# lower this after refactoring
max-complexity: 53
max-complexity: 48
gci:
sections:
@ -22,7 +22,7 @@ linters-settings:
gocyclo:
# lower this after refactoring
min-complexity: 49
min-complexity: 48
funlen:
# Checks the number of lines in a function.
@ -82,18 +82,6 @@ linters-settings:
- "!**/pkg/apiserver/controllers/v1/errors.go"
yaml:
files:
- "!**/cmd/crowdsec-cli/alerts.go"
- "!**/cmd/crowdsec-cli/capi.go"
- "!**/cmd/crowdsec-cli/config_show.go"
- "!**/cmd/crowdsec-cli/hubtest.go"
- "!**/cmd/crowdsec-cli/lapi.go"
- "!**/cmd/crowdsec-cli/simulation.go"
- "!**/cmd/crowdsec/crowdsec.go"
- "!**/cmd/notification-dummy/main.go"
- "!**/cmd/notification-email/main.go"
- "!**/cmd/notification-http/main.go"
- "!**/cmd/notification-slack/main.go"
- "!**/cmd/notification-splunk/main.go"
- "!**/pkg/acquisition/acquisition.go"
- "!**/pkg/acquisition/acquisition_test.go"
- "!**/pkg/acquisition/modules/appsec/appsec.go"
@ -151,6 +139,13 @@ linters:
- structcheck
- varcheck
#
# Disabled until fixed for go 1.22
#
- copyloopvar # copyloopvar is a linter detects places where loop variables are copied
- intrange # intrange is a linter to find places where for loops could make use of an integer range.
#
# Enabled
#
@ -159,7 +154,6 @@ linters:
# - asciicheck # checks that all code identifiers does not have non-ASCII symbols in the name
# - bidichk # Checks for dangerous unicode character sequences
# - bodyclose # checks whether HTTP response body is closed successfully
# - copyloopvar # copyloopvar is a linter detects places where loop variables are copied
# - cyclop # checks function and package cyclomatic complexity
# - decorder # check declaration order and count of types, constants, variables and functions
# - depguard # Go linter that checks if package imports are in a list of acceptable packages
@ -188,7 +182,6 @@ linters:
# - importas # Enforces consistent import aliases
# - ineffassign # Detects when assignments to existing variables are not used
# - interfacebloat # A linter that checks the number of methods inside an interface.
# - intrange # intrange is a linter to find places where for loops could make use of an integer range.
# - lll # Reports long lines
# - loggercheck # (logrlint): Checks key value pairs for common logger libraries (kitlog,klog,logr,zap).
# - logrlint # Check logr arguments.

View file

@ -1,5 +1,5 @@
# vim: set ft=dockerfile:
FROM golang:1.21.9-alpine3.18 AS build
FROM golang:1.22.2-alpine3.18 AS build
ARG BUILD_VERSION

View file

@ -1,5 +1,5 @@
# vim: set ft=dockerfile:
FROM golang:1.21.9-bookworm AS build
FROM golang:1.22.2-bookworm AS build
ARG BUILD_VERSION

View file

@ -21,7 +21,7 @@ stages:
- task: GoTool@0
displayName: "Install Go"
inputs:
version: '1.21.9'
version: '1.22.2'
- pwsh: |
choco install -y make

View file

@ -17,7 +17,7 @@ import (
"github.com/go-openapi/strfmt"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/go-cs-lib/version"

View file

@ -10,7 +10,7 @@ import (
"github.com/go-openapi/strfmt"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/go-cs-lib/version"
@ -85,7 +85,6 @@ func (cli *cliCapi) register(capiUserPrefix string, outputFile string) error {
URL: apiurl,
VersionPrefix: CAPIURLPrefix,
}, nil)
if err != nil {
return fmt.Errorf("api client register ('%s'): %w", types.CAPIBaseURL, err)
}

View file

@ -14,7 +14,7 @@ import (
"github.com/fatih/color"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/crowdsec/pkg/dumps"
"github.com/crowdsecurity/crowdsec/pkg/emoji"
@ -136,7 +136,7 @@ cscli hubtest create my-scenario-test --parsers crowdsecurity/nginx --scenarios
nucleiFileName := fmt.Sprintf("%s.yaml", testName)
nucleiFilePath := filepath.Join(testPath, nucleiFileName)
nucleiFile, err := os.OpenFile(nucleiFilePath, os.O_RDWR|os.O_CREATE, 0755)
nucleiFile, err := os.OpenFile(nucleiFilePath, os.O_RDWR|os.O_CREATE, 0o755)
if err != nil {
return err
}

View file

@ -13,7 +13,7 @@ import (
"github.com/go-openapi/strfmt"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/go-cs-lib/version"

View file

@ -8,7 +8,7 @@ import (
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/crowdsec/cmd/crowdsec-cli/require"
"github.com/crowdsecurity/crowdsec/pkg/cwhub"
@ -74,7 +74,7 @@ func (cli *cliSimulation) NewEnableCmd() *cobra.Command {
if len(args) > 0 {
for _, scenario := range args {
var item = hub.GetItem(cwhub.SCENARIOS, scenario)
item := hub.GetItem(cwhub.SCENARIOS, scenario)
if item == nil {
log.Errorf("'%s' doesn't exist or is not a scenario", scenario)
continue

View file

@ -319,7 +319,7 @@ cscli support dump -f /tmp/crowdsec-support.zip
`,
Args: cobra.NoArgs,
DisableAutoGenTag: true,
Run: func(_ *cobra.Command, _ []string) {
RunE: func(_ *cobra.Command, _ []string) error {
var err error
var skipHub, skipDB, skipCAPI, skipLAPI, skipAgent bool
infos := map[string][]byte{
@ -473,15 +473,19 @@ cscli support dump -f /tmp/crowdsec-support.zip
err = zipWriter.Close()
if err != nil {
log.Fatalf("could not finalize zip file: %s", err)
return fmt.Errorf("could not finalize zip file: %s", err)
}
if outFile == "-" {
_, err = os.Stdout.Write(w.Bytes())
return err
}
err = os.WriteFile(outFile, w.Bytes(), 0o600)
if err != nil {
log.Fatalf("could not write zip file to %s: %s", outFile, err)
return fmt.Errorf("could not write zip file to %s: %s", outFile, err)
}
log.Infof("Written zip file to %s", outFile)
return nil
},
}

View file

@ -9,7 +9,7 @@ import (
"time"
log "github.com/sirupsen/logrus"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/go-cs-lib/trace"
@ -207,7 +207,7 @@ func serveCrowdsec(parsers *parser.Parsers, cConfig *csconfig.Config, hub *cwhub
}
func dumpBucketsPour() {
fd, err := os.OpenFile(filepath.Join(parser.DumpFolder, "bucketpour-dump.yaml"), os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0666)
fd, err := os.OpenFile(filepath.Join(parser.DumpFolder, "bucketpour-dump.yaml"), os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0o666)
if err != nil {
log.Fatalf("open: %s", err)
}
@ -230,7 +230,7 @@ func dumpBucketsPour() {
}
func dumpParserState() {
fd, err := os.OpenFile(filepath.Join(parser.DumpFolder, "parser-dump.yaml"), os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0666)
fd, err := os.OpenFile(filepath.Join(parser.DumpFolder, "parser-dump.yaml"), os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0o666)
if err != nil {
log.Fatalf("open: %s", err)
}
@ -253,7 +253,7 @@ func dumpParserState() {
}
func dumpOverflowState() {
fd, err := os.OpenFile(filepath.Join(parser.DumpFolder, "bucket-dump.yaml"), os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0666)
fd, err := os.OpenFile(filepath.Join(parser.DumpFolder, "bucket-dump.yaml"), os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0o666)
if err != nil {
log.Fatalf("open: %s", err)
}

View file

@ -5,10 +5,11 @@ import (
"fmt"
"os"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
"github.com/hashicorp/go-hclog"
plugin "github.com/hashicorp/go-plugin"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
)
type PluginConfig struct {
@ -32,6 +33,7 @@ func (s *DummyPlugin) Notify(ctx context.Context, notification *protobufs.Notifi
if _, ok := s.PluginConfigByName[notification.Name]; !ok {
return nil, fmt.Errorf("invalid plugin config name %s", notification.Name)
}
cfg := s.PluginConfigByName[notification.Name]
if cfg.LogLevel != nil && *cfg.LogLevel != "" {
@ -42,19 +44,22 @@ func (s *DummyPlugin) Notify(ctx context.Context, notification *protobufs.Notifi
logger.Debug(notification.Text)
if cfg.OutputFile != nil && *cfg.OutputFile != "" {
f, err := os.OpenFile(*cfg.OutputFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
f, err := os.OpenFile(*cfg.OutputFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
if err != nil {
logger.Error(fmt.Sprintf("Cannot open notification file: %s", err))
}
if _, err := f.WriteString(notification.Text + "\n"); err != nil {
f.Close()
logger.Error(fmt.Sprintf("Cannot write notification to file: %s", err))
}
err = f.Close()
if err != nil {
logger.Error(fmt.Sprintf("Cannot close notification file: %s", err))
}
}
fmt.Println(notification.Text)
return &protobufs.Empty{}, nil
@ -64,11 +69,12 @@ func (s *DummyPlugin) Configure(ctx context.Context, config *protobufs.Config) (
d := PluginConfig{}
err := yaml.Unmarshal(config.Config, &d)
s.PluginConfigByName[d.Name] = d
return &protobufs.Empty{}, err
}
func main() {
var handshake = plugin.HandshakeConfig{
handshake := plugin.HandshakeConfig{
ProtocolVersion: 1,
MagicCookieKey: "CROWDSEC_PLUGIN_KEY",
MagicCookieValue: os.Getenv("CROWDSEC_PLUGIN_KEY"),

View file

@ -2,15 +2,17 @@ package main
import (
"context"
"errors"
"fmt"
"os"
"time"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
"github.com/hashicorp/go-hclog"
plugin "github.com/hashicorp/go-plugin"
mail "github.com/xhit/go-simple-mail/v2"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
)
var baseLogger hclog.Logger = hclog.New(&hclog.LoggerOptions{
@ -72,19 +74,20 @@ func (n *EmailPlugin) Configure(ctx context.Context, config *protobufs.Config) (
}
if d.Name == "" {
return nil, fmt.Errorf("name is required")
return nil, errors.New("name is required")
}
if d.SMTPHost == "" {
return nil, fmt.Errorf("SMTP host is not set")
return nil, errors.New("SMTP host is not set")
}
if d.ReceiverEmails == nil || len(d.ReceiverEmails) == 0 {
return nil, fmt.Errorf("receiver emails are not set")
return nil, errors.New("receiver emails are not set")
}
n.ConfigByName[d.Name] = d
baseLogger.Debug(fmt.Sprintf("Email plugin '%s' use SMTP host '%s:%d'", d.Name, d.SMTPHost, d.SMTPPort))
return &protobufs.Empty{}, nil
}
@ -92,6 +95,7 @@ func (n *EmailPlugin) Notify(ctx context.Context, notification *protobufs.Notifi
if _, ok := n.ConfigByName[notification.Name]; !ok {
return nil, fmt.Errorf("invalid plugin config name %s", notification.Name)
}
cfg := n.ConfigByName[notification.Name]
logger := baseLogger.Named(cfg.Name)
@ -117,6 +121,7 @@ func (n *EmailPlugin) Notify(ctx context.Context, notification *protobufs.Notifi
server.ConnectTimeout, err = time.ParseDuration(cfg.ConnectTimeout)
if err != nil {
logger.Warn(fmt.Sprintf("invalid connect timeout '%s', using default '10s'", cfg.ConnectTimeout))
server.ConnectTimeout = 10 * time.Second
}
}
@ -125,15 +130,18 @@ func (n *EmailPlugin) Notify(ctx context.Context, notification *protobufs.Notifi
server.SendTimeout, err = time.ParseDuration(cfg.SendTimeout)
if err != nil {
logger.Warn(fmt.Sprintf("invalid send timeout '%s', using default '10s'", cfg.SendTimeout))
server.SendTimeout = 10 * time.Second
}
}
logger.Debug("making smtp connection")
smtpClient, err := server.Connect()
if err != nil {
return &protobufs.Empty{}, err
}
logger.Debug("smtp connection done")
email := mail.NewMSG()
@ -146,12 +154,14 @@ func (n *EmailPlugin) Notify(ctx context.Context, notification *protobufs.Notifi
if err != nil {
return &protobufs.Empty{}, err
}
logger.Info(fmt.Sprintf("sent email to %v", cfg.ReceiverEmails))
return &protobufs.Empty{}, nil
}
func main() {
var handshake = plugin.HandshakeConfig{
handshake := plugin.HandshakeConfig{
ProtocolVersion: 1,
MagicCookieKey: "CROWDSEC_PLUGIN_KEY",
MagicCookieValue: os.Getenv("CROWDSEC_PLUGIN_KEY"),

View file

@ -12,10 +12,11 @@ import (
"os"
"strings"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
"github.com/hashicorp/go-hclog"
plugin "github.com/hashicorp/go-plugin"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
)
type PluginConfig struct {
@ -90,18 +91,23 @@ func getTLSClient(c *PluginConfig) error {
tlsConfig.Certificates = []tls.Certificate{cert}
}
transport := &http.Transport{
TLSClientConfig: tlsConfig,
}
if c.UnixSocket != "" {
logger.Info(fmt.Sprintf("Using socket '%s'", c.UnixSocket))
transport.DialContext = func(_ context.Context, _, _ string) (net.Conn, error) {
return net.Dial("unix", strings.TrimSuffix(c.UnixSocket, "/"))
}
}
c.Client = &http.Client{
Transport: transport,
}
return nil
}
@ -109,6 +115,7 @@ func (s *HTTPPlugin) Notify(ctx context.Context, notification *protobufs.Notific
if _, ok := s.PluginConfigByName[notification.Name]; !ok {
return nil, fmt.Errorf("invalid plugin config name %s", notification.Name)
}
cfg := s.PluginConfigByName[notification.Name]
if cfg.LogLevel != nil && *cfg.LogLevel != "" {
@ -121,11 +128,14 @@ func (s *HTTPPlugin) Notify(ctx context.Context, notification *protobufs.Notific
if err != nil {
return nil, err
}
for headerName, headerValue := range cfg.Headers {
logger.Debug(fmt.Sprintf("adding header %s: %s", headerName, headerValue))
request.Header.Add(headerName, headerValue)
}
logger.Debug(fmt.Sprintf("making HTTP %s call to %s with body %s", cfg.Method, cfg.URL, notification.Text))
resp, err := cfg.Client.Do(request.WithContext(ctx))
if err != nil {
logger.Error(fmt.Sprintf("Failed to make HTTP request : %s", err))
@ -135,7 +145,7 @@ func (s *HTTPPlugin) Notify(ctx context.Context, notification *protobufs.Notific
respData, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("failed to read response body got error %s", err)
return nil, fmt.Errorf("failed to read response body got error %w", err)
}
logger.Debug(fmt.Sprintf("got response %s", string(respData)))
@ -143,6 +153,7 @@ func (s *HTTPPlugin) Notify(ctx context.Context, notification *protobufs.Notific
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
logger.Warn(fmt.Sprintf("HTTP server returned non 200 status code: %d", resp.StatusCode))
logger.Debug(fmt.Sprintf("HTTP server returned body: %s", string(respData)))
return &protobufs.Empty{}, nil
}
@ -151,21 +162,25 @@ func (s *HTTPPlugin) Notify(ctx context.Context, notification *protobufs.Notific
func (s *HTTPPlugin) Configure(ctx context.Context, config *protobufs.Config) (*protobufs.Empty, error) {
d := PluginConfig{}
err := yaml.Unmarshal(config.Config, &d)
if err != nil {
return nil, err
}
err = getTLSClient(&d)
if err != nil {
return nil, err
}
s.PluginConfigByName[d.Name] = d
logger.Debug(fmt.Sprintf("HTTP plugin '%s' use URL '%s'", d.Name, d.URL))
return &protobufs.Empty{}, err
}
func main() {
var handshake = plugin.HandshakeConfig{
handshake := plugin.HandshakeConfig{
ProtocolVersion: 1,
MagicCookieKey: "CROWDSEC_PLUGIN_KEY",
MagicCookieValue: os.Getenv("CROWDSEC_PLUGIN_KEY"),

View file

@ -5,12 +5,12 @@ import (
"fmt"
"os"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
"github.com/hashicorp/go-hclog"
plugin "github.com/hashicorp/go-plugin"
"github.com/slack-go/slack"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
)
type PluginConfig struct {
@ -33,13 +33,16 @@ func (n *Notify) Notify(ctx context.Context, notification *protobufs.Notificatio
if _, ok := n.ConfigByName[notification.Name]; !ok {
return nil, fmt.Errorf("invalid plugin config name %s", notification.Name)
}
cfg := n.ConfigByName[notification.Name]
if cfg.LogLevel != nil && *cfg.LogLevel != "" {
logger.SetLevel(hclog.LevelFromString(*cfg.LogLevel))
}
logger.Info(fmt.Sprintf("found notify signal for %s config", notification.Name))
logger.Debug(fmt.Sprintf("posting to %s webhook, message %s", cfg.Webhook, notification.Text))
err := slack.PostWebhookContext(ctx, n.ConfigByName[notification.Name].Webhook, &slack.WebhookMessage{
Text: notification.Text,
})
@ -52,16 +55,19 @@ func (n *Notify) Notify(ctx context.Context, notification *protobufs.Notificatio
func (n *Notify) Configure(ctx context.Context, config *protobufs.Config) (*protobufs.Empty, error) {
d := PluginConfig{}
if err := yaml.Unmarshal(config.Config, &d); err != nil {
return nil, err
}
n.ConfigByName[d.Name] = d
logger.Debug(fmt.Sprintf("Slack plugin '%s' use URL '%s'", d.Name, d.Webhook))
return &protobufs.Empty{}, nil
}
func main() {
var handshake = plugin.HandshakeConfig{
handshake := plugin.HandshakeConfig{
ProtocolVersion: 1,
MagicCookieKey: "CROWDSEC_PLUGIN_KEY",
MagicCookieValue: os.Getenv("CROWDSEC_PLUGIN_KEY"),

View file

@ -10,11 +10,11 @@ import (
"os"
"strings"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
"github.com/hashicorp/go-hclog"
plugin "github.com/hashicorp/go-plugin"
"gopkg.in/yaml.v3"
"gopkg.in/yaml.v2"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
)
var logger hclog.Logger = hclog.New(&hclog.LoggerOptions{
@ -44,6 +44,7 @@ func (s *Splunk) Notify(ctx context.Context, notification *protobufs.Notificatio
if _, ok := s.PluginConfigByName[notification.Name]; !ok {
return &protobufs.Empty{}, fmt.Errorf("splunk invalid config name %s", notification.Name)
}
cfg := s.PluginConfigByName[notification.Name]
if cfg.LogLevel != nil && *cfg.LogLevel != "" {
@ -53,6 +54,7 @@ func (s *Splunk) Notify(ctx context.Context, notification *protobufs.Notificatio
logger.Info(fmt.Sprintf("received notify signal for %s config", notification.Name))
p := Payload{Event: notification.Text}
data, err := json.Marshal(p)
if err != nil {
return &protobufs.Empty{}, err
@ -65,6 +67,7 @@ func (s *Splunk) Notify(ctx context.Context, notification *protobufs.Notificatio
req.Header.Add("Authorization", fmt.Sprintf("Splunk %s", cfg.Token))
logger.Debug(fmt.Sprintf("posting event %s to %s", string(data), req.URL))
resp, err := s.Client.Do(req.WithContext(ctx))
if err != nil {
return &protobufs.Empty{}, err
@ -73,15 +76,19 @@ func (s *Splunk) Notify(ctx context.Context, notification *protobufs.Notificatio
if resp.StatusCode != http.StatusOK {
content, err := io.ReadAll(resp.Body)
if err != nil {
return &protobufs.Empty{}, fmt.Errorf("got non 200 response and failed to read error %s", err)
return &protobufs.Empty{}, fmt.Errorf("got non 200 response and failed to read error %w", err)
}
return &protobufs.Empty{}, fmt.Errorf("got non 200 response %s", string(content))
}
respData, err := io.ReadAll(resp.Body)
if err != nil {
return &protobufs.Empty{}, fmt.Errorf("failed to read response body got error %s", err)
return &protobufs.Empty{}, fmt.Errorf("failed to read response body got error %w", err)
}
logger.Debug(fmt.Sprintf("got response %s", string(respData)))
return &protobufs.Empty{}, nil
}
@ -90,11 +97,12 @@ func (s *Splunk) Configure(ctx context.Context, config *protobufs.Config) (*prot
err := yaml.Unmarshal(config.Config, &d)
s.PluginConfigByName[d.Name] = d
logger.Debug(fmt.Sprintf("Splunk plugin '%s' use URL '%s'", d.Name, d.URL))
return &protobufs.Empty{}, err
}
func main() {
var handshake = plugin.HandshakeConfig{
handshake := plugin.HandshakeConfig{
ProtocolVersion: 1,
MagicCookieKey: "CROWDSEC_PLUGIN_KEY",
MagicCookieValue: os.Getenv("CROWDSEC_PLUGIN_KEY"),

2
go.mod
View file

@ -1,6 +1,6 @@
module github.com/crowdsecurity/crowdsec
go 1.21
go 1.22
// Don't use the toolchain directive to avoid uncontrolled downloads during
// a build, especially in sandboxed environments (freebsd, gentoo...).

View file

@ -76,26 +76,24 @@ func (c *Config) LoadDBConfig(inCli bool) error {
if c.DbConfig.UseWal == nil {
dbDir := filepath.Dir(c.DbConfig.DbPath)
isNetwork, fsType, err := types.IsNetworkFS(dbDir)
if err != nil {
switch {
case err != nil:
log.Warnf("unable to determine if database is on network filesystem: %s", err)
log.Warning("You are using sqlite without WAL, this can have a performance impact. If you do not store the database in a network share, set db_config.use_wal to true. Set explicitly to false to disable this warning.")
return nil
}
if isNetwork {
case isNetwork:
log.Debugf("database is on network filesystem (%s), setting useWal to false", fsType)
c.DbConfig.UseWal = ptr.Of(false)
} else {
default:
log.Debugf("database is on local filesystem (%s), setting useWal to true", fsType)
c.DbConfig.UseWal = ptr.Of(true)
}
} else if *c.DbConfig.UseWal {
dbDir := filepath.Dir(c.DbConfig.DbPath)
isNetwork, fsType, err := types.IsNetworkFS(dbDir)
if err != nil {
switch {
case err != nil:
log.Warnf("unable to determine if database is on network filesystem: %s", err)
return nil
}
if isNetwork {
case isNetwork:
log.Warnf("database seems to be stored on a network share (%s), but useWal is set to true. Proceed at your own risk.", fsType)
}
}

View file

@ -636,14 +636,24 @@ func (c *Client) createAlertChunk(machineID string, owner *ent.Machine, alerts [
if len(alertItem.Meta) > 0 {
metaBulk := make([]*ent.MetaCreate, len(alertItem.Meta))
for i, metaItem := range alertItem.Meta {
key := metaItem.Key
value := metaItem.Value
if len(metaItem.Value) > 4095 {
c.Log.Warningf("truncated meta %s : value too long", metaItem.Key)
value = value[:4095]
}
if len(metaItem.Key) > 255 {
c.Log.Warningf("truncated meta %s : key too long", metaItem.Key)
key = key[:255]
}
metaBulk[i] = c.Ent.Meta.Create().
SetKey(metaItem.Key).
SetValue(metaItem.Value)
SetKey(key).
SetValue(value)
}
metas, err = c.Ent.Meta.CreateBulk(metaBulk...).Save(c.CTX)
if err != nil {
return nil, errors.Wrapf(BulkError, "creating alert meta: %s", err)
c.Log.Warningf("error creating alert meta: %s", err)
}
}

View file

@ -65,26 +65,27 @@ type Node struct {
}
func (n *Node) validate(pctx *UnixParserCtx, ectx EnricherCtx) error {
// stage is being set automagically
if n.Stage == "" {
return fmt.Errorf("stage needs to be an existing stage")
return errors.New("stage needs to be an existing stage")
}
/* "" behaves like continue */
if n.OnSuccess != "continue" && n.OnSuccess != "next_stage" && n.OnSuccess != "" {
return fmt.Errorf("onsuccess '%s' not continue,next_stage", n.OnSuccess)
}
if n.Filter != "" && n.RunTimeFilter == nil {
return fmt.Errorf("non-empty filter '%s' was not compiled", n.Filter)
}
if n.Grok.RunTimeRegexp != nil || n.Grok.TargetField != "" {
if n.Grok.TargetField == "" && n.Grok.ExpValue == "" {
return fmt.Errorf("grok requires 'expression' or 'apply_on'")
return errors.New("grok requires 'expression' or 'apply_on'")
}
if n.Grok.RegexpName == "" && n.Grok.RegexpValue == "" {
return fmt.Errorf("grok needs 'pattern' or 'name'")
return errors.New("grok needs 'pattern' or 'name'")
}
}
@ -93,6 +94,7 @@ func (n *Node) validate(pctx *UnixParserCtx, ectx EnricherCtx) error {
if static.ExpValue == "" {
return fmt.Errorf("static %d : when method is set, expression must be present", idx)
}
if _, ok := ectx.Registered[static.Method]; !ok {
log.Warningf("the method '%s' doesn't exist or the plugin has not been initialized", static.Method)
}
@ -100,6 +102,7 @@ func (n *Node) validate(pctx *UnixParserCtx, ectx EnricherCtx) error {
if static.Meta == "" && static.Parsed == "" && static.TargetByName == "" {
return fmt.Errorf("static %d : at least one of meta/event/target must be set", idx)
}
if static.Value == "" && static.RunTimeValue == nil {
return fmt.Errorf("static %d value or expression must be set", idx)
}
@ -110,15 +113,19 @@ func (n *Node) validate(pctx *UnixParserCtx, ectx EnricherCtx) error {
if stash.Name == "" {
return fmt.Errorf("stash %d : name must be set", idx)
}
if stash.Value == "" {
return fmt.Errorf("stash %s : value expression must be set", stash.Name)
}
if stash.Key == "" {
return fmt.Errorf("stash %s : key expression must be set", stash.Name)
}
if stash.TTL == "" {
return fmt.Errorf("stash %s : ttl must be set", stash.Name)
}
if stash.Strategy == "" {
stash.Strategy = "LRU"
}
@ -127,23 +134,23 @@ func (n *Node) validate(pctx *UnixParserCtx, ectx EnricherCtx) error {
stash.MaxMapSize = 100
}
}
return nil
}
func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[string]interface{}) (bool, error) {
var NodeState bool
var NodeHasOKGrok bool
func (n *Node) processFilter(cachedExprEnv map[string]interface{}) (bool, error) {
clog := n.Logger
if n.RunTimeFilter == nil {
clog.Tracef("Node has not filter, enter")
return true, nil
}
cachedExprEnv := expressionEnv
clog.Tracef("Event entering node")
if n.RunTimeFilter != nil {
// Evaluate node's filter
output, err := exprhelpers.Run(n.RunTimeFilter, cachedExprEnv, clog, n.Debug)
if err != nil {
clog.Warningf("failed to run filter : %v", err)
clog.Debugf("Event leaving node : ko")
return false, nil
}
@ -156,26 +163,26 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[stri
default:
clog.Warningf("Expr '%s' returned non-bool, abort : %T", n.Filter, output)
clog.Debugf("Event leaving node : ko")
return false, nil
}
NodeState = true
} else {
clog.Tracef("Node has not filter, enter")
NodeState = true
return true, nil
}
if n.Name != "" {
NodesHits.With(prometheus.Labels{"source": p.Line.Src, "type": p.Line.Module, "name": n.Name}).Inc()
}
exprErr := error(nil)
func (n *Node) processWhitelist(cachedExprEnv map[string]interface{}, p *types.Event) (bool, error) {
var exprErr error
isWhitelisted := n.CheckIPsWL(p)
if !isWhitelisted {
isWhitelisted, exprErr = n.CheckExprWL(cachedExprEnv, p)
}
if exprErr != nil {
// Previous code returned nil if there was an error, so we keep this behavior
return false, nil //nolint:nilerr
}
if isWhitelisted && !p.Whitelisted {
p.Whitelisted = true
p.WhitelistReason = n.Whitelist.Reason
@ -185,13 +192,46 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[stri
for k := range p.Overflow.Sources {
ips = append(ips, k)
}
clog.Infof("Ban for %s whitelisted, reason [%s]", strings.Join(ips, ","), n.Whitelist.Reason)
n.Logger.Infof("Ban for %s whitelisted, reason [%s]", strings.Join(ips, ","), n.Whitelist.Reason)
p.Overflow.Whitelisted = true
}
}
return isWhitelisted, nil
}
func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[string]interface{}) (bool, error) {
var NodeHasOKGrok bool
clog := n.Logger
cachedExprEnv := expressionEnv
clog.Tracef("Event entering node")
NodeState, err := n.processFilter(cachedExprEnv)
if err != nil {
return false, err
}
if !NodeState {
return false, nil
}
if n.Name != "" {
NodesHits.With(prometheus.Labels{"source": p.Line.Src, "type": p.Line.Module, "name": n.Name}).Inc()
}
isWhitelisted, err := n.processWhitelist(cachedExprEnv, p)
if err != nil {
return false, err
}
// Process grok if present, should be exclusive with nodes :)
gstr := ""
if n.Grok.RunTimeRegexp != nil {
clog.Tracef("Processing grok pattern : %s : %p", n.Grok.RegexpName, n.Grok.RunTimeRegexp)
// for unparsed, parsed etc. set sensible defaults to reduce user hassle
@ -211,6 +251,7 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[stri
clog.Warningf("failed to run RunTimeValue : %v", err)
NodeState = false
}
switch out := output.(type) {
case string:
gstr = out
@ -229,10 +270,12 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[stri
} else {
groklabel = n.Grok.RegexpName
}
grok := n.Grok.RunTimeRegexp.Parse(gstr)
if len(grok) > 0 {
/*tag explicitly that the *current* node had a successful grok pattern. it's important to know success state*/
NodeHasOKGrok = true
clog.Debugf("+ Grok '%s' returned %d entries to merge in Parsed", groklabel, len(grok))
// We managed to grok stuff, merged into parse
for k, v := range grok {
@ -250,7 +293,6 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[stri
clog.Debugf("+ Grok '%s' didn't return data on '%s'", groklabel, gstr)
NodeState = false
}
} else {
clog.Tracef("! No grok pattern : %p", n.Grok.RunTimeRegexp)
}
@ -258,12 +300,16 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[stri
// Process the stash (data collection) if : a grok was present and succeeded, or if there is no grok
if NodeHasOKGrok || n.Grok.RunTimeRegexp == nil {
for idx, stash := range n.Stash {
var value string
var key string
var (
key string
value string
)
if stash.ValueExpression == nil {
clog.Warningf("Stash %d has no value expression, skipping", idx)
continue
}
if stash.KeyExpression == nil {
clog.Warningf("Stash %d has no key expression, skipping", idx)
continue
@ -307,7 +353,9 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[stri
clog.Debugf("Event leaving node : ko")
return false, err
}
clog.Tracef("\tsub-node (%s) ret : %v (strategy:%s)", leaf.rn, ret, n.OnSuccess)
if ret {
NodeState = true
/* if child is successful, stop processing */
@ -333,7 +381,9 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[stri
if n.Name != "" {
NodesHitsKo.With(prometheus.Labels{"source": p.Line.Src, "type": p.Line.Module, "name": n.Name}).Inc()
}
clog.Debugf("Event leaving node : ko")
return NodeState, nil
}
@ -360,6 +410,7 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[stri
if NodeState {
clog.Debugf("Event leaving node : ok")
log.Tracef("node is successful, check strategy")
if n.OnSuccess == "next_stage" {
idx := stageidx(p.Stage, ctx.Stages)
// we're at the last stage
@ -375,15 +426,16 @@ func (n *Node) process(p *types.Event, ctx UnixParserCtx, expressionEnv map[stri
} else {
clog.Debugf("Event leaving node : ko")
}
clog.Tracef("Node successful, continue")
return NodeState, nil
}
func (n *Node) compile(pctx *UnixParserCtx, ectx EnricherCtx) error {
var err error
var valid bool
valid = false
valid := false
dumpr := spew.ConfigState{MaxDepth: 1, DisablePointerAddresses: true}
n.rn = seed.Generate()
@ -393,10 +445,11 @@ func (n *Node) compile(pctx *UnixParserCtx, ectx EnricherCtx) error {
/* if the node has debugging enabled, create a specific logger with debug
that will be used only for processing this node ;) */
if n.Debug {
var clog = log.New()
clog := log.New()
if err = types.ConfigureLogger(clog); err != nil {
log.Fatalf("While creating bucket-specific logger : %s", err)
}
clog.SetLevel(log.DebugLevel)
n.Logger = clog.WithFields(log.Fields{
"id": n.rn,
@ -425,12 +478,15 @@ func (n *Node) compile(pctx *UnixParserCtx, ectx EnricherCtx) error {
/* handle pattern_syntax and groks */
for _, pattern := range n.SubGroks {
n.Logger.Tracef("Adding subpattern '%s' : '%s'", pattern.Key, pattern.Value)
if err = pctx.Grok.Add(pattern.Key.(string), pattern.Value.(string)); err != nil {
if errors.Is(err, grokky.ErrAlreadyExist) {
n.Logger.Warningf("grok '%s' already registred", pattern.Key)
continue
}
n.Logger.Errorf("Unable to compile subpattern %s : %v", pattern.Key, err)
return err
}
}
@ -438,28 +494,36 @@ func (n *Node) compile(pctx *UnixParserCtx, ectx EnricherCtx) error {
/* load grok by name or compile in-place */
if n.Grok.RegexpName != "" {
n.Logger.Tracef("+ Regexp Compilation '%s'", n.Grok.RegexpName)
n.Grok.RunTimeRegexp, err = pctx.Grok.Get(n.Grok.RegexpName)
if err != nil {
return fmt.Errorf("unable to find grok '%s' : %v", n.Grok.RegexpName, err)
}
if n.Grok.RunTimeRegexp == nil {
return fmt.Errorf("empty grok '%s'", n.Grok.RegexpName)
}
n.Logger.Tracef("%s regexp: %s", n.Grok.RegexpName, n.Grok.RunTimeRegexp.String())
valid = true
} else if n.Grok.RegexpValue != "" {
if strings.HasSuffix(n.Grok.RegexpValue, "\n") {
n.Logger.Debugf("Beware, pattern ends with \\n : '%s'", n.Grok.RegexpValue)
}
n.Grok.RunTimeRegexp, err = pctx.Grok.Compile(n.Grok.RegexpValue)
if err != nil {
return fmt.Errorf("failed to compile grok '%s': %v", n.Grok.RegexpValue, err)
}
if n.Grok.RunTimeRegexp == nil {
// We shouldn't be here because compilation succeeded, so regexp shouldn't be nil
return fmt.Errorf("grok compilation failure: %s", n.Grok.RegexpValue)
}
n.Logger.Tracef("%s regexp : %s", n.Grok.RegexpValue, n.Grok.RunTimeRegexp.String())
valid = true
}
@ -482,6 +546,7 @@ func (n *Node) compile(pctx *UnixParserCtx, ectx EnricherCtx) error {
return err
}
}
valid = true
}
@ -526,14 +591,18 @@ func (n *Node) compile(pctx *UnixParserCtx, ectx EnricherCtx) error {
if !n.LeavesNodes[idx].Debug && n.Debug {
n.LeavesNodes[idx].Debug = true
}
if !n.LeavesNodes[idx].Profiling && n.Profiling {
n.LeavesNodes[idx].Profiling = true
}
n.LeavesNodes[idx].Stage = n.Stage
err = n.LeavesNodes[idx].compile(pctx, ectx)
if err != nil {
return err
}
valid = true
}
@ -546,6 +615,7 @@ func (n *Node) compile(pctx *UnixParserCtx, ectx EnricherCtx) error {
return err
}
}
valid = true
}
@ -554,13 +624,15 @@ func (n *Node) compile(pctx *UnixParserCtx, ectx EnricherCtx) error {
if err != nil {
return err
}
valid = valid || whitelistValid
if !valid {
/* node is empty, error force return */
n.Logger.Error("Node is empty or invalid, abort")
n.Stage = ""
return fmt.Errorf("Node is empty")
return errors.New("Node is empty")
}
if err := n.validate(pctx, ectx); err != nil {

View file

@ -1,9 +1,10 @@
//go:build !windows
//go:build !windows && !freebsd
package types
import (
"fmt"
"golang.org/x/sys/unix"
)
@ -92,6 +93,7 @@ var fsTypeMapping map[int64]string = map[int64]string{
0xabba1974: "xenfs",
0x012ff7b4: "xenix",
0x58465342: "xfs",
0x2fc12fc1: "zfs",
}
func GetFSType(path string) (string, error) {

View file

@ -0,0 +1,25 @@
//go:build freebsd
package types
import (
"fmt"
"syscall"
)
func GetFSType(path string) (string, error) {
var fsStat syscall.Statfs_t
if err := syscall.Statfs(path, &fsStat); err != nil {
return "", fmt.Errorf("failed to get filesystem type: %w", err)
}
bs := fsStat.Fstypename
b := make([]byte, len(bs))
for i, v := range bs {
b[i] = byte(v)
}
return string(b), nil
}