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Commit f88ef3e

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Tetsuya NAKAMURA
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First develop
1 parent c808a7a commit f88ef3e

8 files changed

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lines changed

‎.gitignore

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# Created by https://www.gitignore.io/api/go,vim,macos,visualstudiocode
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### Go ###
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# Binaries for programs and plugins
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*.exe
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*.dll
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*.so
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*.dylib
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# Test binary, build with `go test -c`
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*.test
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# Output of the go coverage tool, specifically when used with LiteIDE
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*.out
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# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
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.glide/
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### macOS ###
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*.DS_Store
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.AppleDouble
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.LSOverride
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# Icon must end with two \r
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Icon
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# Thumbnails
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._*
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# Files that might appear in the root of a volume
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.DocumentRevisions-V100
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.fseventsd
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.Spotlight-V100
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.TemporaryItems
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.Trashes
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.VolumeIcon.icns
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.com.apple.timemachine.donotpresent
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# Directories potentially created on remote AFP share
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.AppleDB
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.AppleDesktop
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Network Trash Folder
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Temporary Items
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.apdisk
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### Vim ###
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# swap
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[._]*.s[a-v][a-z]
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[._]*.sw[a-p]
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[._]s[a-v][a-z]
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[._]sw[a-p]
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# session
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Session.vim
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# temporary
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.netrwhist
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*~
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# auto-generated tag files
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tags
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### VisualStudioCode ###
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.vscode/*
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!.vscode/settings.json
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!.vscode/tasks.json
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!.vscode/launch.json
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!.vscode/extensions.json
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.history
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# End of https://www.gitignore.io/api/go,vim,macos,visualstudiocode
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### build ###
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/check-cert-expire
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/check-cert-expire.exe
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/release
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/build

‎Makefile

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NAME := check-cert-expire
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VERSION := 0.1.0
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.PHONY: \
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all \
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release_dir \
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linux64 \
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linux386 \
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darwin64 \
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darwin386 \
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windows64 \
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windows386 \
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source \
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clean
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all: linux64 linux386 darwin64 darwin386 windows64 windows386
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release_dir:
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mkdir -p ./release
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linux64: release_dir
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$(eval GOOS := linux)
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$(eval GOARCH := amd64)
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$(eval TARGET := ${NAME}_${VERSION}_${GOOS}_${GOARCH})
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mkdir -p ./build/${TARGET}
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GOOS=${GOOS} GOARCH=${GOARCH} go build -o ./build/${TARGET}/${NAME}
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cd ./build && zip -r ${TARGET}.zip ${TARGET}
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mv ./build/${TARGET}.zip ./release/
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linux386: release_dir
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$(eval GOOS := linux)
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$(eval GOARCH := 386)
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$(eval TARGET := ${NAME}_${VERSION}_${GOOS}_${GOARCH})
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mkdir -p ./build/${TARGET}
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GOOS=${GOOS} GOARCH=${GOARCH} go build -o ./build/${TARGET}/${NAME}
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cd ./build && zip -r ${TARGET}.zip ${TARGET}
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mv ./build/${TARGET}.zip ./release/
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darwin64: release_dir
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$(eval GOOS := darwin)
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$(eval GOARCH := amd64)
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$(eval TARGET := ${NAME}_${VERSION}_${GOOS}_${GOARCH})
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mkdir -p ./build/${TARGET}
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GOOS=${GOOS} GOARCH=${GOARCH} go build -o ./build/${TARGET}/${NAME}
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cd ./build && zip -r ${TARGET}.zip ${TARGET}
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mv ./build/${TARGET}.zip ./release/
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darwin386: release_dir
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$(eval GOOS := darwin)
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$(eval GOARCH := 386)
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$(eval TARGET := ${NAME}_${VERSION}_${GOOS}_${GOARCH})
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mkdir -p ./build/${TARGET}
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GOOS=${GOOS} GOARCH=${GOARCH} go build -o ./build/${TARGET}/${NAME}
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cd ./build && zip -r ${TARGET}.zip ${TARGET}
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mv ./build/${TARGET}.zip ./release/
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windows64: release_dir
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$(eval GOOS := windows)
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$(eval GOARCH := amd64)
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$(eval TARGET := ${NAME}_${VERSION}_${GOOS}_${GOARCH})
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mkdir -p ./build/${TARGET}
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GOOS=${GOOS} GOARCH=${GOARCH} go build -o ./build/${TARGET}/${NAME}.exe
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cd ./build && zip -r ${TARGET}.zip ${TARGET}
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mv ./build/${TARGET}.zip ./release/
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windows386: release_dir
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$(eval GOOS := windows)
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$(eval GOARCH := 386)
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$(eval TARGET := ${NAME}_${VERSION}_${GOOS}_${GOARCH})
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mkdir -p ./build/${TARGET}
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GOOS=${GOOS} GOARCH=${GOARCH} go build -o ./build/${TARGET}/${NAME}.exe
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cd ./build && zip -r ${TARGET}.zip ${TARGET}
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mv ./build/${TARGET}.zip ./release/
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clean:
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go clean
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rm -rf ./build ./release

‎dial.go

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package main
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import (
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"crypto/tls"
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"time"
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)
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func Dial(srvName string, hostName string, port string, isInsecure bool) (*time.Time, error) {
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tlsCfg := &tls.Config{
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ServerName: srvName,
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InsecureSkipVerify: isInsecure,
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}
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conn, err := tls.Dial("tcp", hostName+":"+port, tlsCfg)
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if err != nil {
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return nil, err
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}
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defer conn.Close()
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state := conn.ConnectionState()
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certs := state.PeerCertificates
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expire := &certs[0].NotAfter
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return expire, nil
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}

‎dial_test.go

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package main
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import (
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"fmt"
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"testing"
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)
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func TestDial(t *testing.T) {
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expire, err := Dial("google.com", "google.com", "443", false)
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if err != nil {
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fmt.Println(err)
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t.Errorf("google.com's cert should not have error")
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}
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fmt.Println(expire)
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}

‎exit_status.go

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package main
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const (
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ExitError = 64
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ExitExpire = 65
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)

‎help_template.go

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package main
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const HelpTemplate = `NAME:
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{{.Name}} - {{.Usage}}
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USAGE:
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{{.HelpName}} [options] servername
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{{if len .Authors}}
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AUTHOR:
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{{range .Authors}}{{ . }}{{end}}
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{{end}}{{if .Commands}}
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OPTIONS:
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{{range .VisibleFlags}}{{.}}
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{{end}}{{end}}{{if .Copyright }}
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COPYRIGHT:
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{{.Copyright}}
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{{end}}{{if .Version}}
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VERSION:
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{{.Version}}
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{{end}}
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`

‎main.go

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package main
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import (
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"fmt"
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"os"
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"time"
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"github.com/urfave/cli"
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)
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func main() {
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app := cli.NewApp()
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// App meta
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app.Name = Name
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app.Version = Version
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app.Authors = []cli.Author{
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cli.Author{
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Name: AuthorName,
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Email: AuthorEmail,
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},
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}
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app.Usage = Usage
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app.UsageText = fmt.Sprintf("%s [options] servername", Name)
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// Flags
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var (
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srvName string
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hostName string
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port string
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delay int
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isInsecure bool
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isSilent bool
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)
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app.Flags = []cli.Flag{
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cli.StringFlag{
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Name: "host, H",
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Usage: "target host for scanning",
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Destination: &hostName,
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},
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cli.StringFlag{
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Name: "port, p",
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Usage: "ssl port",
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Value: "443",
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Destination: &port,
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},
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cli.IntFlag{
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Name: "delay, d",
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Usage: "delay of expire",
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Value: 0,
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Destination: &delay,
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},
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cli.BoolFlag{
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Name: "insecure, k",
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Usage: "permit insecure cert",
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Destination: &isInsecure,
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},
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cli.BoolFlag{
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Name: "silent, s",
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Usage: "enable silent mode",
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Destination: &isSilent,
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},
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}
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// Set HelpTemplate
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cli.AppHelpTemplate = HelpTemplate
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// Main action
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app.Action = func(c *cli.Context) error {
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// Args
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if c.NArg() != 1 {
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cli.ShowAppHelp(c)
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return nil
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}
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srvName = c.Args().Get(0)
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if hostName == "" {
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hostName = srvName
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}
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// Dial
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expire, err := Dial(srvName, hostName, port, isInsecure)
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if err != nil {
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if !isSilent {
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fmt.Println(err)
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}
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return cli.NewExitError("", ExitError)
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}
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if !isSilent {
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fmt.Println(expire)
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}
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// Check expire
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limit := time.Now().AddDate(0, 0, delay).UTC()
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if !expire.After(limit) {
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return cli.NewExitError("", ExitExpire)
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}
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return nil
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}
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app.Run(os.Args)
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}

‎meta.go

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package main
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const (
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Name = "check-cert-expire"
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Version = "0.1.0"
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Usage = "Check weather a cert expires or not."
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AuthorName = "Tetsuya Nakamura"
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AuthorEmail = "[email protected]"
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)

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