New Upstream Release - sshesame
Ready changes
Summary
Merged new upstream version: 0.0~git20230118.2036179+ds (was: 0.0~git20211029.a886411).
Diff
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..64f847d
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+ - package-ecosystem: "gomod"
+ directory: "/" # Location of package manifests
+ schedule:
+ interval: "weekly"
diff --git a/.github/workflows/bump-version.yml b/.github/workflows/bump-version.yml
index 1b546af..0eb93c4 100644
--- a/.github/workflows/bump-version.yml
+++ b/.github/workflows/bump-version.yml
@@ -8,10 +8,10 @@ jobs:
name: Bump version
runs-on: ubuntu-latest
steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v3
with:
- fetch-depth: "0"
- - uses: anothrNick/github-tag-action@1.36.0
+ fetch-depth: 0
+ - uses: anothrNick/github-tag-action@1.39.0
env:
GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
WITH_V: true
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 41082b3..e568a91 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -13,12 +13,12 @@ name: "CodeQL"
on:
push:
- branches: [master]
+ branches: [ master ]
pull_request:
# The branches below must be a subset of the branches above
- branches: [master]
+ branches: [ master ]
schedule:
- - cron: "31 21 * * 1"
+ - cron: '41 11 * * 5'
jobs:
analyze:
@@ -32,40 +32,39 @@ jobs:
strategy:
fail-fast: false
matrix:
- language: ["go"]
- # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
- # Learn more:
- # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+ language: [ 'go' ]
+ # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
+ # Learn more about CodeQL language support at https://git.io/codeql-language-support
steps:
- - name: Checkout repository
- uses: actions/checkout@v2
+ - name: Checkout repository
+ uses: actions/checkout@v3
- # Initializes the CodeQL tools for scanning.
- - name: Initialize CodeQL
- uses: github/codeql-action/init@v1
- with:
- languages: ${{ matrix.language }}
- # If you wish to specify custom queries, you can do so here or in a config file.
- # By default, queries listed here will override any specified in a config file.
- # Prefix the list here with "+" to use these queries and those in the config file.
- # queries: ./path/to/local/query, your-org/your-repo/queries@main
+ # Initializes the CodeQL tools for scanning.
+ - name: Initialize CodeQL
+ uses: github/codeql-action/init@v2
+ with:
+ languages: ${{ matrix.language }}
+ # If you wish to specify custom queries, you can do so here or in a config file.
+ # By default, queries listed here will override any specified in a config file.
+ # Prefix the list here with "+" to use these queries and those in the config file.
+ # queries: ./path/to/local/query, your-org/your-repo/queries@main
- # Autobuild attempts to build any compiled languages (C/C++, C#, or Java).
- # If this step fails, then you should remove it and run the build manually (see below)
- - name: Autobuild
- uses: github/codeql-action/autobuild@v1
+ # Autobuild attempts to build any compiled languages (C/C++, C#, or Java).
+ # If this step fails, then you should remove it and run the build manually (see below)
+ - name: Autobuild
+ uses: github/codeql-action/autobuild@v2
- # ℹ️ Command-line programs to run using the OS shell.
- # 📚 https://git.io/JvXDl
+ # ℹ️ Command-line programs to run using the OS shell.
+ # 📚 https://git.io/JvXDl
- # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
- # and modify them (or add more) to build your code if your project
- # uses a compiled language
+ # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+ # and modify them (or add more) to build your code if your project
+ # uses a compiled language
- #- run: |
- # make bootstrap
- # make release
+ #- run: |
+ # make bootstrap
+ # make release
- - name: Perform CodeQL Analysis
- uses: github/codeql-action/analyze@v1
+ - name: Perform CodeQL Analysis
+ uses: github/codeql-action/analyze@v2
diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 416960e..8623b92 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -8,17 +8,20 @@ jobs:
name: Lint
runs-on: ubuntu-latest
steps:
- - uses: actions/checkout@v2
- - uses: golangci/golangci-lint-action@v2
+ - uses: actions/checkout@v3
+ - uses: golangci/golangci-lint-action@v3
test:
name: Test
strategy:
matrix:
- os: [ubuntu-latest, macos-latest, windows-latest]
+ os:
+ - ubuntu-latest
+ - macos-latest
+ - windows-latest
runs-on: ${{ matrix.os }}
steps:
- - uses: actions/checkout@v2
- - uses: actions/setup-go@v2
+ - uses: actions/checkout@v3
+ - uses: actions/setup-go@v3
with:
- go-version: "^1.16"
+ go-version: ^1.18
- run: go test -race -timeout 1m
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3113380..a826561 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,10 +8,10 @@ jobs:
name: Release binaries
runs-on: ubuntu-latest
steps:
- - uses: actions/checkout@v2
- - uses: actions/setup-go@v2
+ - uses: actions/checkout@v3
+ - uses: actions/setup-go@v3
with:
- go-version: "^1.16"
+ go-version: "^1.18"
- run: go build -o sshesame-linux-amd64
env:
GOOS: linux
@@ -74,7 +74,7 @@ jobs:
contents: read
packages: write
steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v3
- uses: docker/setup-qemu-action@v1
- uses: docker/setup-buildx-action@v1
- uses: docker/login-action@v1
@@ -97,7 +97,7 @@ jobs:
name: Release snaps
runs-on: ubuntu-latest
steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v3
- uses: snapcore/action-build@v1
id: build
- uses: snapcore/action-publish@v1
diff --git a/.gitignore b/.gitignore
index 66fd13c..0969e78 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,8 @@
*.dll
*.so
*.dylib
+oryxBuildBinary
+__debug_bin
# Test binary, built with `go test -c`
*.test
diff --git a/README.md b/README.md
index 888db7d..ea95375 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,19 @@ An easy to set up and use SSH honeypot, a fake SSH server that lets anyone in an
[](https://asciinema.org/a/VSqzZi1oPA0FhQDyqht22iA6k)
+- [Installation and usage](#installation-and-usage)
+ - [From source](#from-source)
+ - [GitHub releases](#github-releases)
+ - [Snap](#snap)
+ - [Usage](#usage)
+ - [Docker](#docker)
+ - [CLI](#cli)
+ - [Dockerfile](#dockerfile)
+ - [Docker Compose](#docker-compose)
+ - [systemd](#systemd)
+ - [Configuration](#configuration)
+- [Sample output](#sample-output)
+
## Installation and usage
> :warning: **The [`sshesame` package](https://packages.debian.org/stable/sshesame) in the official Debian (and derivatives) repositories may be (probably is) outdated.**
@@ -81,6 +94,23 @@ volumes:
sshesame-data: {}
```
+### systemd
+
+```desktop
+[Unit]
+Description=SSH honeypot
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+ExecStart=/path/to/sshesame #-config /path/to/sshesame.yaml
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+```
+
+
### Configuration
A configuration file can optionally be passed using the `-config` flag.
diff --git a/config.go b/config.go
index 740cf9b..c29877d 100644
--- a/config.go
+++ b/config.go
@@ -32,6 +32,7 @@ type loggingConfig struct {
Timestamps bool `yaml:"timestamps"`
MetricsAddress string `yaml:"metrics_address"`
Debug bool `yaml:"debug"`
+ SplitHostPort bool `yaml:"split_host_port"`
}
type commonAuthConfig struct {
diff --git a/config_test.go b/config_test.go
index a01161d..6b46658 100644
--- a/config_test.go
+++ b/config_test.go
@@ -182,6 +182,7 @@ logging:
json: true
timestamps: false
metrics_address: 0.0.0.0:2112
+ split_host_port: true
auth:
max_tries: 234
no_auth: true
@@ -230,6 +231,7 @@ ssh_proto:
expectedConfig.Logging.JSON = true
expectedConfig.Logging.Timestamps = false
expectedConfig.Logging.MetricsAddress = "0.0.0.0:2112"
+ expectedConfig.Logging.SplitHostPort = true
expectedConfig.Auth.MaxTries = 234
expectedConfig.Auth.NoAuth = true
expectedConfig.Auth.PublicKeyAuth.Accepted = true
diff --git a/connection.go b/connection.go
index d0cb386..a1d4246 100644
--- a/connection.go
+++ b/connection.go
@@ -1,9 +1,9 @@
package main
import (
- "net"
"sync"
+ "github.com/jaksi/sshutils"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"golang.org/x/crypto/ssh"
@@ -26,14 +26,6 @@ var channelHandlers = map[string]func(newChannel ssh.NewChannel, context channel
}
var (
- tcpConnectionsMetric = promauto.NewCounter(prometheus.CounterOpts{
- Name: "sshesame_tcp_connections_total",
- Help: "Total number of TCP connections",
- })
- activeTCPConnectionsMetric = promauto.NewGauge(prometheus.GaugeOpts{
- Name: "sshesame_active_tcp_connections",
- Help: "Number of active TCP connections",
- })
sshConnectionsMetric = promauto.NewCounter(prometheus.CounterOpts{
Name: "sshesame_ssh_connections_total",
Help: "Total number of SSH connections",
@@ -48,42 +40,37 @@ var (
})
)
-func handleConnection(conn net.Conn, cfg *config) {
- tcpConnectionsMetric.Inc()
- activeTCPConnectionsMetric.Inc()
- defer activeTCPConnectionsMetric.Dec()
- serverConn, newChannels, requests, err := ssh.NewServerConn(conn, cfg.sshConfig)
- if err != nil {
- warningLogger.Printf("Failed to establish SSH connection: %v", err)
- conn.Close()
- return
- }
+func handleConnection(conn *sshutils.Conn, cfg *config) {
sshConnectionsMetric.Inc()
activeSSHConnectionsMetric.Inc()
defer activeSSHConnectionsMetric.Dec()
var channels sync.WaitGroup
- context := connContext{ConnMetadata: serverConn, cfg: cfg}
+ context := connContext{ConnMetadata: conn, cfg: cfg}
defer func() {
- serverConn.Close()
+ conn.Close()
channels.Wait()
context.logEvent(connectionCloseLog{})
}()
context.logEvent(connectionLog{
- ClientVersion: string(serverConn.ClientVersion()),
+ ClientVersion: string(conn.ClientVersion()),
})
- if _, _, err := serverConn.SendRequest("hostkeys-00@openssh.com", false, createHostkeysRequestPayload(cfg.parsedHostKeys)); err != nil {
+ hostKeysPayload := make([][]byte, len(cfg.parsedHostKeys))
+ for i, key := range cfg.parsedHostKeys {
+ hostKeysPayload[i] = key.PublicKey().Marshal()
+ }
+ if _, _, err := conn.SendRequest("hostkeys-00@openssh.com", false, marshalBytes(hostKeysPayload)); err != nil {
warningLogger.Printf("Failed to send hostkeys-00@openssh.com request: %v", err)
return
}
channelID := 0
- for requests != nil || newChannels != nil {
+ for conn.Requests != nil || conn.NewChannels != nil {
select {
- case request, ok := <-requests:
+ case request, ok := <-conn.Requests:
if !ok {
- requests = nil
+ conn.Requests = nil
continue
}
context.logEvent(debugGlobalRequestLog{
@@ -93,12 +80,12 @@ func handleConnection(conn net.Conn, cfg *config) {
})
if err := handleGlobalRequest(request, &context); err != nil {
warningLogger.Printf("Failed to handle global request: %v", err)
- requests = nil
+ conn.Requests = nil
continue
}
- case newChannel, ok := <-newChannels:
+ case newChannel, ok := <-conn.NewChannels:
if !ok {
- newChannels = nil
+ conn.NewChannels = nil
continue
}
context.logEvent(debugChannelLog{
@@ -113,7 +100,7 @@ func handleConnection(conn net.Conn, cfg *config) {
warningLogger.Printf("Unsupported channel type %v", channelType)
if err := newChannel.Reject(ssh.ConnectionFailed, "open failed"); err != nil {
warningLogger.Printf("Failed to reject channel: %v", err)
- newChannels = nil
+ conn.NewChannels = nil
continue
}
continue
@@ -123,7 +110,7 @@ func handleConnection(conn net.Conn, cfg *config) {
defer channels.Done()
if err := handler(newChannel, context); err != nil {
warningLogger.Printf("Failed to handle new channel: %v", err)
- serverConn.Close()
+ conn.Close()
}
}(channelContext{context, channelID})
channelID++
diff --git a/debian/changelog b/debian/changelog
index c8c4279..789b302 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+sshesame (0.0~git20230118.2036179+ds-1) UNRELEASED; urgency=low
+
+ * New upstream snapshot.
+ * New upstream snapshot.
+
+ -- Debian Janitor <janitor@jelmer.uk> Fri, 23 Jun 2023 19:50:45 -0000
+
sshesame (0.0~git20210926.d7fdb81-1) unstable; urgency=medium
* New upstream release
diff --git a/debian/patches/disable-some-test.patch b/debian/patches/disable-some-test.patch
index dfaf8da..a4a75ae 100644
--- a/debian/patches/disable-some-test.patch
+++ b/debian/patches/disable-some-test.patch
@@ -1,9 +1,9 @@
Description: some files are not available during tests
-Index: sshesame-0.0~git20210926.d7fdb81/config_test.go
+Index: sshesame.git/config_test.go
===================================================================
---- sshesame-0.0~git20210926.d7fdb81.orig/config_test.go 2021-10-04 18:41:18.066659852 +0000
-+++ sshesame-0.0~git20210926.d7fdb81/config_test.go 2021-10-04 19:05:48.172128648 +0000
-@@ -10,7 +10,6 @@
+--- sshesame.git.orig/config_test.go
++++ sshesame.git/config_test.go
+@@ -10,7 +10,6 @@ import (
"testing"
"golang.org/x/crypto/ssh"
@@ -11,7 +11,7 @@ Index: sshesame-0.0~git20210926.d7fdb81/config_test.go
)
type mockPublicKey struct {
-@@ -383,38 +382,38 @@
+@@ -385,38 +384,38 @@ func TestExistingKey(t *testing.T) {
}
}
diff --git a/go.mod b/go.mod
index 104fba5..f869337 100644
--- a/go.mod
+++ b/go.mod
@@ -1,12 +1,24 @@
module github.com/jaksi/sshesame
-go 1.16
+go 1.18
require (
- github.com/adrg/xdg v0.3.3
- github.com/davecgh/go-spew v1.1.1 // indirect
- github.com/prometheus/client_golang v1.11.0
- golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a
- golang.org/x/term v0.0.0-20210503060354-a79de5458b56
+ github.com/adrg/xdg v0.4.0
+ github.com/jaksi/sshutils v0.0.11
+ github.com/prometheus/client_golang v1.14.0
+ golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f
+ golang.org/x/term v0.0.0-20220411215600-e5f449aeb171
gopkg.in/yaml.v2 v2.4.0
)
+
+require (
+ github.com/beorn7/perks v1.0.1 // indirect
+ github.com/cespare/xxhash/v2 v2.1.2 // indirect
+ github.com/golang/protobuf v1.5.2 // indirect
+ github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+ github.com/prometheus/client_model v0.3.0 // indirect
+ github.com/prometheus/common v0.37.0 // indirect
+ github.com/prometheus/procfs v0.8.0 // indirect
+ golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a // indirect
+ google.golang.org/protobuf v1.28.1 // indirect
+)
diff --git a/go.sum b/go.sum
index 39d8920..bc42aff 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,40 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/adrg/xdg v0.3.3 h1:s/tV7MdqQnzB1nKY8aqHvAMD+uCiuEDzVB5HLRY849U=
-github.com/adrg/xdg v0.3.3/go.mod h1:61xAR2VZcggl2St4O9ohF5qCKe08+JDmE4VNzPFQvOQ=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
+cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
+cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
+cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
+cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
+cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
+cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
+cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
+cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
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@@ -58,6 +155,7 @@ github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJ
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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@@ -68,21 +166,30 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
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google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
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google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.26.0-rc.1 h1:7QnIQpGRHE5RnLKnESfDoxm2dTapTZua5a0kS0A+VXQ=
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google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
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gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -155,3 +484,13 @@ gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
diff --git a/logging.go b/logging.go
index 2da0d8a..e6521f6 100644
--- a/logging.go
+++ b/logging.go
@@ -4,6 +4,8 @@ import (
"encoding/json"
"fmt"
"log"
+ "net"
+ "path/filepath"
"strings"
"time"
)
@@ -13,6 +15,26 @@ type logEntry interface {
eventType() string
}
+type addressLog struct {
+ Host string `json:"host"`
+ Port int `json:"port"`
+}
+
+func (entry addressLog) String() string {
+ return net.JoinHostPort(entry.Host, fmt.Sprint(entry.Port))
+}
+
+func getAddressLog(host string, port int, cfg *config) interface{} {
+ entry := addressLog{
+ Host: host,
+ Port: port,
+ }
+ if cfg.Logging.SplitHostPort {
+ return entry
+ }
+ return entry.String()
+}
+
type authAccepted bool
func (accepted authAccepted) String() string {
@@ -96,7 +118,7 @@ func (entry connectionCloseLog) eventType() string {
}
type tcpipForwardLog struct {
- Address string `json:"address"`
+ Address interface{} `json:"address"`
}
func (entry tcpipForwardLog) String() string {
@@ -107,7 +129,7 @@ func (entry tcpipForwardLog) eventType() string {
}
type cancelTCPIPForwardLog struct {
- Address string `json:"address"`
+ Address interface{} `json:"address"`
}
func (entry cancelTCPIPForwardLog) String() string {
@@ -127,6 +149,21 @@ func (entry noMoreSessionsLog) eventType() string {
return "no_more_sessions"
}
+type hostKeysProveLog struct {
+ HostKeyFiles []string `json:"host_key_files"`
+}
+
+func (entry hostKeysProveLog) String() string {
+ baseNames := make([]string, len(entry.HostKeyFiles))
+ for i, hostKeyFile := range entry.HostKeyFiles {
+ baseNames[i] = fmt.Sprintf("%q", filepath.Base(hostKeyFile))
+ }
+ return fmt.Sprintf("proof of ownership of host keys %v requested", strings.Join(baseNames, ", "))
+}
+func (entry hostKeysProveLog) eventType() string {
+ return "host_keys_prove"
+}
+
type channelLog struct {
ChannelID int `json:"channel_id"`
}
@@ -167,8 +204,8 @@ func (entry sessionInputLog) eventType() string {
type directTCPIPLog struct {
channelLog
- From string `json:"from"`
- To string `json:"to"`
+ From interface{} `json:"from"`
+ To interface{} `json:"to"`
}
func (entry directTCPIPLog) String() string {
@@ -349,19 +386,21 @@ func (context connContext) logEvent(entry logEntry) {
}
if context.cfg.Logging.JSON {
var jsonEntry interface{}
+ tcpSource := context.RemoteAddr().(*net.TCPAddr)
+ source := getAddressLog(tcpSource.IP.String(), tcpSource.Port, context.cfg)
if context.cfg.Logging.Timestamps {
jsonEntry = struct {
- Time string `json:"time"`
- Source string `json:"source"`
- EventType string `json:"event_type"`
- Event logEntry `json:"event"`
- }{time.Now().Format(time.RFC3339), context.RemoteAddr().String(), entry.eventType(), entry}
+ Time string `json:"time"`
+ Source interface{} `json:"source"`
+ EventType string `json:"event_type"`
+ Event logEntry `json:"event"`
+ }{time.Now().Format(time.RFC3339), source, entry.eventType(), entry}
} else {
jsonEntry = struct {
- Source string `json:"source"`
- EventType string `json:"event_type"`
- Event logEntry `json:"event"`
- }{context.RemoteAddr().String(), entry.eventType(), entry}
+ Source interface{} `json:"source"`
+ EventType string `json:"event_type"`
+ Event logEntry `json:"event"`
+ }{source, entry.eventType(), entry}
}
logBytes, err := json.Marshal(jsonEntry)
if err != nil {
diff --git a/logging_test.go b/logging_test.go
index d6c50a2..0255cc8 100644
--- a/logging_test.go
+++ b/logging_test.go
@@ -18,70 +18,73 @@ func (mockLogEntry) eventType() string {
return "test"
}
-func TestPlainWithTimestamps(t *testing.T) {
- cfg := &config{
- Logging: loggingConfig{
- JSON: false,
- Timestamps: true,
- },
+func testLogging(t *testing.T, cfg *loggingConfig, log logEntry, expectedLogs *regexp.Regexp) {
+ t.Helper()
+ c := &config{
+ Logging: *cfg,
}
- logBuffer := setupLogBuffer(t, cfg)
- connContext{ConnMetadata: mockConnContext{}, cfg: cfg}.logEvent(mockLogEntry{"lorem"})
+ logBuffer := setupLogBuffer(t, c)
+ connContext{ConnMetadata: mockConnContext{}, cfg: c}.logEvent(log)
logs := logBuffer.String()
- expectedLogs := regexp.MustCompile(`^\d{4}/\d{2}/\d{2} \d{2}:\d{2}:\d{2} \[127\.0\.0\.1:1234\] test lorem
-$`)
+ // Remove trailing newline
+ logs = logs[:len(logs)-1]
if !expectedLogs.MatchString(logs) {
t.Errorf("logs=%v, want match for %v", logs, expectedLogs)
}
}
+func TestPlainWithTimestamps(t *testing.T) {
+ testLogging(t, &loggingConfig{
+ JSON: false,
+ Timestamps: true,
+ }, mockLogEntry{"lorem"}, regexp.MustCompile(`^\d{4}/\d{2}/\d{2} \d{2}:\d{2}:\d{2} \[127\.0\.0\.1:1234\] test lorem$`))
+}
+
func TestJSONWithTimestamps(t *testing.T) {
- cfg := &config{
- Logging: loggingConfig{
- JSON: true,
- Timestamps: true,
- },
- }
- logBuffer := setupLogBuffer(t, cfg)
- connContext{ConnMetadata: mockConnContext{}, cfg: cfg}.logEvent(mockLogEntry{"ipsum"})
- logs := logBuffer.String()
- expectedLogs := regexp.MustCompile(`^{"time":"[^"]+","source":"127\.0\.0\.1:1234","event_type":"test","event":{"content":"ipsum"}}
-$`)
- if !expectedLogs.MatchString(logs) {
- t.Errorf("logs=%v, want match for %v", logs, expectedLogs)
- }
+ testLogging(t, &loggingConfig{
+ JSON: true,
+ Timestamps: true,
+ }, mockLogEntry{"ipsum"}, regexp.MustCompile(`^{"time":"[^"]+","source":"127\.0\.0\.1:1234","event_type":"test","event":{"content":"ipsum"}}$`))
}
func TestPlainWithoutTimestamps(t *testing.T) {
- cfg := &config{
- Logging: loggingConfig{
- JSON: false,
- Timestamps: false,
- },
- }
- logBuffer := setupLogBuffer(t, cfg)
- connContext{ConnMetadata: mockConnContext{}, cfg: cfg}.logEvent(mockLogEntry{"dolor"})
- logs := logBuffer.String()
- expectedLogs := `[127.0.0.1:1234] test dolor
-`
- if logs != expectedLogs {
- t.Errorf("logs=%v, want %v", logs, expectedLogs)
- }
+ testLogging(t, &loggingConfig{
+ JSON: false,
+ Timestamps: false,
+ }, mockLogEntry{"dolor"}, regexp.MustCompile(`^\[127\.0\.0\.1:1234\] test dolor$`))
}
func TestJSONWithoutTimestamps(t *testing.T) {
- cfg := &config{
- Logging: loggingConfig{
- JSON: true,
- Timestamps: false,
- },
- }
- logBuffer := setupLogBuffer(t, cfg)
- connContext{ConnMetadata: mockConnContext{}, cfg: cfg}.logEvent(mockLogEntry{"sit"})
- logs := logBuffer.String()
- expectedLogs := `{"source":"127.0.0.1:1234","event_type":"test","event":{"content":"sit"}}
-`
- if logs != expectedLogs {
- t.Errorf("logs=%v, want %v", logs, expectedLogs)
- }
+ testLogging(t, &loggingConfig{
+ JSON: true,
+ Timestamps: false,
+ }, mockLogEntry{"sit"}, regexp.MustCompile(`^{"source":"127\.0\.0\.1:1234","event_type":"test","event":{"content":"sit"}}$`))
+}
+
+func TestPlainWithAddressSplitting(t *testing.T) {
+ testLogging(t, &loggingConfig{
+ JSON: false,
+ SplitHostPort: true,
+ }, mockLogEntry{"amet"}, regexp.MustCompile(`^\[127\.0\.0\.1:1234\] test amet$`))
+}
+
+func TestJSONWithAddressSplitting(t *testing.T) {
+ testLogging(t, &loggingConfig{
+ JSON: true,
+ SplitHostPort: true,
+ }, mockLogEntry{"consectetur"}, regexp.MustCompile(`^{"source":{"host":"127\.0\.0\.1","port":1234},"event_type":"test","event":{"content":"consectetur"}}$`))
+}
+
+func TestPlainWithoutAddressSplitting(t *testing.T) {
+ testLogging(t, &loggingConfig{
+ JSON: false,
+ SplitHostPort: false,
+ }, mockLogEntry{"adipiscing"}, regexp.MustCompile(`^\[127\.0\.0\.1:1234\] test adipiscing$`))
+}
+
+func TestJSONWithoutAddressSplitting(t *testing.T) {
+ testLogging(t, &loggingConfig{
+ JSON: true,
+ SplitHostPort: false,
+ }, mockLogEntry{"elit"}, regexp.MustCompile(`^{"source":"127\.0\.0\.1:1234","event_type":"test","event":{"content":"elit"}}$`))
}
diff --git a/main.go b/main.go
index 9965fc7..255ee48 100644
--- a/main.go
+++ b/main.go
@@ -4,7 +4,6 @@ import (
"flag"
"io/ioutil"
"log"
- "net"
"net/http"
"os"
"os/signal"
@@ -12,6 +11,7 @@ import (
"syscall"
"github.com/adrg/xdg"
+ "github.com/jaksi/sshutils"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
@@ -63,7 +63,7 @@ func main() {
}()
signal.Notify(reloadSignals, syscall.SIGHUP)
- listener, err := net.Listen("tcp", cfg.Server.ListenAddress)
+ listener, err := sshutils.Listen(cfg.Server.ListenAddress, cfg.sshConfig)
if err != nil {
errorLogger.Fatalf("Failed to listen for connections: %v", err)
}
diff --git a/replay_test.go b/replay_test.go
index 48458bb..d7f5a56 100644
--- a/replay_test.go
+++ b/replay_test.go
@@ -14,6 +14,7 @@ import (
"testing"
"time"
+ "github.com/jaksi/sshutils"
"golang.org/x/crypto/ssh"
)
@@ -199,13 +200,13 @@ func (event newChannelReplayEntry) Execute(t *testing.T, context *clientContext)
}
channel, requests, err := context.conn.OpenChannel(event.Type, rawExtraData)
accepted := true
- if err, ok := err.(*ssh.OpenChannelError); ok {
+ if openChannelErr, ok := err.(*ssh.OpenChannelError); ok {
accepted = false
- if uint32(err.Reason) != event.RejectReason {
- t.Errorf("Reject reason mismatch: got %v, want %v", uint32(err.Reason), event.RejectReason)
+ if uint32(openChannelErr.Reason) != event.RejectReason {
+ t.Errorf("Reject reason mismatch: got %v, want %v", uint32(openChannelErr.Reason), event.RejectReason)
}
- if err.Message != event.Message {
- t.Errorf("Message mismatch: got %q, want %q", err.Message, event.Message)
+ if openChannelErr.Message != event.Message {
+ t.Errorf("Message mismatch: got %q, want %q", openChannelErr.Message, event.Message)
}
} else if err != nil {
return err
@@ -496,9 +497,7 @@ func TestReplay(t *testing.T) {
t.Fatal(err)
}
- serverAddress := path.Join(tempDir, "server.sock")
-
- listener, err := net.Listen("unix", serverAddress)
+ listener, err := sshutils.Listen("localhost:0", cfg.sshConfig)
if err != nil {
t.Fatal(err)
}
@@ -539,11 +538,11 @@ func TestReplay(t *testing.T) {
handleConnection(conn, cfg)
serverResult <- nil
}()
- conn, err := net.Dial("unix", serverAddress)
+ conn, err := net.Dial("tcp", listener.Addr().String())
if err != nil {
t.Fatal(err)
}
- sshConn, newChannels, requests, err := ssh.NewClientConn(conn, serverAddress, &ssh.ClientConfig{
+ sshConn, newChannels, requests, err := ssh.NewClientConn(conn, listener.Addr().String(), &ssh.ClientConfig{
User: testCase.User,
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
})
diff --git a/request.go b/request.go
index 97121ba..2bb53b9 100644
--- a/request.go
+++ b/request.go
@@ -1,10 +1,11 @@
package main
import (
+ "bytes"
+ cryptoRand "crypto/rand"
+ "encoding/binary"
"errors"
- "math/rand"
- "net"
- "strconv"
+ mathRand "math/rand"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
@@ -12,26 +13,26 @@ import (
)
type globalRequestPayload interface {
- reply() []byte
- logEntry() logEntry
+ reply(context *connContext) []byte
+ logEntry(context *connContext) logEntry
}
-type globalRequestPayloadParser func(data []byte) (globalRequestPayload, error)
+type globalRequestPayloadParser func(data []byte, context *connContext) (globalRequestPayload, error)
type tcpipRequest struct {
Address string
Port uint32
}
-func (request tcpipRequest) reply() []byte {
+func (request tcpipRequest) reply(context *connContext) []byte {
if request.Port != 0 {
return nil
}
- return ssh.Marshal(struct{ port uint32 }{uint32(rand.Intn(65536-1024) + 1024)})
+ return ssh.Marshal(struct{ port uint32 }{uint32(mathRand.Intn(65536-1024) + 1024)})
}
-func (request tcpipRequest) logEntry() logEntry {
+func (request tcpipRequest) logEntry(context *connContext) logEntry {
return tcpipForwardLog{
- Address: net.JoinHostPort(request.Address, strconv.Itoa(int(request.Port))),
+ Address: getAddressLog(request.Address, int(request.Port), context.cfg),
}
}
@@ -40,46 +41,99 @@ type cancelTCPIPRequest struct {
Port uint32
}
-func (request cancelTCPIPRequest) reply() []byte {
+func (request cancelTCPIPRequest) reply(context *connContext) []byte {
return nil
}
-func (request cancelTCPIPRequest) logEntry() logEntry {
+func (request cancelTCPIPRequest) logEntry(context *connContext) logEntry {
return cancelTCPIPForwardLog{
- Address: net.JoinHostPort(request.Address, strconv.Itoa(int(request.Port))),
+ Address: getAddressLog(request.Address, int(request.Port), context.cfg),
}
}
type noMoreSessionsRequest struct {
}
-func (request noMoreSessionsRequest) reply() []byte {
+func (request noMoreSessionsRequest) reply(context *connContext) []byte {
return nil
}
-func (request noMoreSessionsRequest) logEntry() logEntry {
+func (request noMoreSessionsRequest) logEntry(context *connContext) logEntry {
return noMoreSessionsLog{}
}
+type hostKeysProveRequest struct {
+ hostKeyIndices []int
+}
+
+func (request hostKeysProveRequest) reply(context *connContext) []byte {
+ signatures := make([][]byte, len(request.hostKeyIndices))
+ for i, index := range request.hostKeyIndices {
+ signature, err := context.cfg.parsedHostKeys[index].Sign(cryptoRand.Reader, ssh.Marshal(struct {
+ requestType, sessionID, hostKey string
+ }{
+ "hostkeys-prove-00@openssh.com",
+ string(context.SessionID()),
+ string(context.cfg.parsedHostKeys[index].PublicKey().Marshal()),
+ }))
+ if err != nil {
+ warningLogger.Printf("Failed to sign host key: %v", err)
+ return nil
+ }
+ signatures[i] = ssh.Marshal(signature)
+ }
+ return marshalBytes(signatures)
+}
+func (request hostKeysProveRequest) logEntry(context *connContext) logEntry {
+ hostKeyFiles := make([]string, len(request.hostKeyIndices))
+ for i, index := range request.hostKeyIndices {
+ hostKeyFiles[i] = context.cfg.Server.HostKeys[index]
+ }
+ return hostKeysProveLog{
+ HostKeyFiles: hostKeyFiles,
+ }
+}
+
var globalRequestPayloads = map[string]globalRequestPayloadParser{
- "tcpip-forward": func(data []byte) (globalRequestPayload, error) {
+ "tcpip-forward": func(data []byte, context *connContext) (globalRequestPayload, error) {
payload := &tcpipRequest{}
if err := ssh.Unmarshal(data, payload); err != nil {
return nil, err
}
return payload, nil
},
- "cancel-tcpip-forward": func(data []byte) (globalRequestPayload, error) {
+ "cancel-tcpip-forward": func(data []byte, context *connContext) (globalRequestPayload, error) {
payload := &cancelTCPIPRequest{}
if err := ssh.Unmarshal(data, payload); err != nil {
return nil, err
}
return payload, nil
},
- "no-more-sessions@openssh.com": func(data []byte) (globalRequestPayload, error) {
+ "no-more-sessions@openssh.com": func(data []byte, context *connContext) (globalRequestPayload, error) {
if len(data) != 0 {
return nil, errors.New("invalid request payload")
}
return &noMoreSessionsRequest{}, nil
},
+ "hostkeys-prove-00@openssh.com": func(data []byte, context *connContext) (globalRequestPayload, error) {
+ payloadBytes, err := unmarshalBytes(data)
+ if err != nil {
+ return nil, err
+ }
+ hostKeyIndices := make([]int, len(payloadBytes))
+ for i, publicKeyBytes := range payloadBytes {
+ found := false
+ for j, hostKey := range context.cfg.parsedHostKeys {
+ if bytes.Equal(publicKeyBytes, hostKey.PublicKey().Marshal()) {
+ hostKeyIndices[i] = j
+ found = true
+ break
+ }
+ }
+ if !found {
+ return nil, errors.New("host key not found")
+ }
+ }
+ return &hostKeysProveRequest{hostKeyIndices}, nil
+ },
}
var (
@@ -102,7 +156,7 @@ func handleGlobalRequest(request *ssh.Request, context *connContext) error {
return nil
}
globalRequestsMetric.WithLabelValues(request.Type).Inc()
- payload, err := parser(request.Payload)
+ payload, err := parser(request.Payload, context)
if err != nil {
return err
}
@@ -111,18 +165,38 @@ func handleGlobalRequest(request *ssh.Request, context *connContext) error {
context.noMoreSessions = true
}
if request.WantReply {
- if err := request.Reply(true, payload.reply()); err != nil {
+ if err := request.Reply(true, payload.reply(context)); err != nil {
return err
}
}
- context.logEvent(payload.logEntry())
+ context.logEvent(payload.logEntry(context))
return nil
}
-func createHostkeysRequestPayload(keys []ssh.Signer) []byte {
- result := make([]byte, 0)
- for _, key := range keys {
- result = append(result, ssh.Marshal(struct{ key string }{string(key.PublicKey().Marshal())})...)
+func marshalBytes(data [][]byte) []byte {
+ var result []byte
+ for _, b := range data {
+ result = append(result, ssh.Marshal(struct{ string }{string(b)})...)
}
return result
}
+
+func unmarshalBytes(data []byte) ([][]byte, error) {
+ var result [][]byte
+ for len(data) > 0 {
+ if len(data) < 4 {
+ return nil, errors.New("invalid request payload")
+ }
+ length := binary.BigEndian.Uint32(data[:4])
+ if len(data) < 4+int(length) {
+ return nil, errors.New("invalid request payload")
+ }
+ var s struct{ S string }
+ if err := ssh.Unmarshal(data[:4+length], &s); err != nil {
+ return nil, err
+ }
+ result = append(result, []byte(s.S))
+ data = data[4+length:]
+ }
+ return result, nil
+}
diff --git a/session.go b/session.go
index 53bbfbe..041adcc 100644
--- a/session.go
+++ b/session.go
@@ -350,7 +350,7 @@ var (
func handleSessionChannel(newChannel ssh.NewChannel, context channelContext) error {
if context.noMoreSessions {
- return errors.New("nore more sessions were supposed to be requested")
+ return errors.New("no more sessions were supposed to be requested")
}
if len(newChannel.ExtraData()) != 0 {
return errors.New("invalid channel data")
diff --git a/sshesame.yaml b/sshesame.yaml
index 2e693b2..32f4a6c 100644
--- a/sshesame.yaml
+++ b/sshesame.yaml
@@ -33,6 +33,9 @@ logging:
# If unspecified or null, metrics are not served.
metrics_address: null
+ # When logging in JSON, log addresses as objects including the hostname and the port instead of strings.
+ split_host_port: false
+
auth:
# Allow clients to connect without authenticating.
no_auth: false
diff --git a/tcpip.go b/tcpip.go
index 9fbeec5..3a8132b 100644
--- a/tcpip.go
+++ b/tcpip.go
@@ -5,10 +5,8 @@ import (
"bytes"
"fmt"
"io"
- "net"
"net/http"
"net/http/httputil"
- "strconv"
"strings"
"github.com/prometheus/client_golang/prometheus"
@@ -71,8 +69,8 @@ func handleDirectTCPIPChannel(newChannel ssh.NewChannel, context channelContext)
channelLog: channelLog{
ChannelID: context.channelID,
},
- From: net.JoinHostPort(channelData.OriginatorAddress, strconv.Itoa(int(channelData.OriginatorPort))),
- To: net.JoinHostPort(channelData.Address, strconv.Itoa(int(channelData.Port))),
+ From: getAddressLog(channelData.OriginatorAddress, int(channelData.OriginatorPort), context.cfg),
+ To: getAddressLog(channelData.Address, int(channelData.Port), context.cfg),
})
defer context.logEvent(directTCPIPCloseLog{
channelLog: channelLog{
@@ -244,11 +242,10 @@ func (server smtpServer) serve(readWriter io.ReadWriter, input chan<- string) {
reply := smtpReply{250, "OK"}
switch command.command {
case "HELO":
- reply = smtpReply{250, "localhost"}
case "EHLO":
- reply = smtpReply{250, "localhost"}
case "MAIL":
case "RCPT":
+ case "RSET":
case "DATA":
if err := server.writeReply(readWriter, smtpReply{354, "Start mail input; end with <CRLF>.<CRLF>"}); err != nil {
warningLogger.Printf("Error writing reply: %v", err)
diff --git a/testproxy/main.go b/testproxy/main.go
index 2c7e862..4577840 100644
--- a/testproxy/main.go
+++ b/testproxy/main.go
@@ -359,10 +359,10 @@ func handleConn(clientConn net.Conn, sshServerConfig *ssh.ServerConfig, serverAd
var rejectReason ssh.RejectionReason
var message string
if err != nil {
- if err, ok := err.(*ssh.OpenChannelError); ok {
+ if openChannelErr, ok := err.(*ssh.OpenChannelError); ok {
accepted = false
- rejectReason = err.Reason
- message = err.Message
+ rejectReason = openChannelErr.Reason
+ message = openChannelErr.Message
} else {
panic(err)
}
More details
Historical runs
- failed: src/github.com/jaksi/sshesame/connection.go:81:34: cannot use request (variable of type *sshutils.GlobalRequest) as type *ssh.Request in argument to handleGlobalRequest
- missing-go-package: Missing Go package: github.com/jaksi/sshutils
- worker-failure: http.client.IncompleteRead: IncompleteRead(0 bytes read)
- success: Merged new upstream version 0.0~git20211029.a886411
- aborted: Killed by signal
- worker-failure: TypeError: cannot use a bytes pattern on a string-like object