diff --git a/.golangci.yml b/.golangci.yml new file mode 100644 index 0000000..8a51c46 --- /dev/null +++ b/.golangci.yml @@ -0,0 +1,71 @@ +# options for analysis running +run: + # default concurrency is a available CPU number + concurrency: 4 + + # timeout for analysis, e.g. 30s, 5m, default is 1m + deadline: 2m + + # which files to skip: they will be analyzed, but issues from them + # won't be reported. Default value is empty list, but there is + # no need to include all autogenerated files, we confidently recognize + # autogenerated files. If it's not please let us know. + skip-files: + - ".*generated.*" + - ".*_test.go" + +# all available settings of specific linters +linters-settings: + gocyclo: + min-complexity: 20 + lll: + line-length: 200 + +linters: + enable: + - deadcode + - errcheck + - govet + - ineffassign + - staticcheck + - structcheck + - unused + - varcheck + - bodyclose + - depguard + - dupl + - gocyclo + - goimports + - golint + - gosec + - misspell + - stylecheck + - unconvert + disable-all: true + fast: true + + +issues: + exclude-use-default: false + + # List of regexps of issue texts to exclude, empty list by default. + # But independently from this option we use default exclude patterns, + # it can be disabled by `exclude-use-default: false`. To list all + # excluded by default patterns execute `golangci-lint run --help` + exclude: + # errcheck defer Close + - error return value not checked \(defer .*\.Close()\) + # errcheck: Almost all programs ignore errors on these functions and in most cases it's ok + - Error return value of .((os\.)?std(out|err)\..*|.*Close|.*Flush|os\.Remove(All)?|.*printf?|os\.(Un)?Setenv). is not checked + # gosec: Duplicated errcheck checks + - G104 + # gosec: Expect file permissions to be 0600 or less + - G302 + # gosec: Use of weak random number generators + - G404 + # gosec: Use of unsafe calls should be audited + - G103 + # errcheck defer Close + - error return value not checked \(defer .*\.Close()\) + # gosec: False positive is triggered by 'src, err := ioutil.ReadFile(filename)' + - Potential file inclusion via variable diff --git a/Makefile b/Makefile index c064938..b57a62b 100644 --- a/Makefile +++ b/Makefile @@ -16,7 +16,7 @@ endif default: build build: clean test - go build + go build -ldflags "-X main.VersionString=$(VERSION)" release: check-env-release mkdir -p $(BUILDDIR) diff --git a/go.mod b/go.mod index b99cdf3..54a4e51 100644 --- a/go.mod +++ b/go.mod @@ -1,14 +1,9 @@ module github.com/ameshkov/dnslookup -go 1.12 +go 1.14 require ( - github.com/AdguardTeam/dnsproxy v0.19.5 + github.com/AdguardTeam/dnsproxy v0.25.0 github.com/ameshkov/dnsstamps v1.0.1 - github.com/kr/pretty v0.1.0 // indirect - github.com/miekg/dns v1.1.22 - golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 // indirect - golang.org/x/net v0.0.0-20191011234655-491137f69257 // indirect - golang.org/x/sys v0.0.0-20191010194322-b09406accb47 // indirect - gopkg.in/yaml.v2 v2.2.4 // indirect + github.com/miekg/dns v1.1.29 ) diff --git a/go.sum b/go.sum index 3f03e17..d18f973 100644 --- a/go.sum +++ b/go.sum @@ -1,107 +1,75 @@ -github.com/AdguardTeam/dnsproxy v0.19.5 h1:QAKWa2+rTp7GAeOFLMPqIYPS7eglLVEkVLH4kHRbnCQ= -github.com/AdguardTeam/dnsproxy v0.19.5/go.mod 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h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= +gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= +gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/main.go b/main.go index 7fd12d8..89ede7d 100644 --- a/main.go +++ b/main.go @@ -10,24 +10,26 @@ import ( "strings" "time" - "github.com/ameshkov/dnsstamps" - "github.com/AdguardTeam/dnsproxy/upstream" + "github.com/ameshkov/dnsstamps" "github.com/miekg/dns" ) -// See the makefile +// VersionString -- see the makefile var VersionString = "undefined" func main() { - enableTLS13() - - machineReadable := (os.Getenv("JSON") == "1") + machineReadable := os.Getenv("JSON") == "1" if !machineReadable { os.Stdout.WriteString(fmt.Sprintf("dnslookup %s\n", VersionString)) } + if len(os.Args) == 1 && os.Args[0] == "-h" { + usage() + os.Exit(1) + } + if len(os.Args) != 3 && len(os.Args) != 4 && len(os.Args) != 5 { log.Printf("Wrong number of arguments") usage() @@ -94,17 +96,9 @@ func main() { } func usage() { - os.Stdout.WriteString("Usage: dnslookup [ ]") - os.Stdout.WriteString(": mandatory, domain name to lookup") - os.Stdout.WriteString(": mandatory, server address. Supported: plain, tls:// (DOT), https:// (DOH), sdns:// (DNSCrypt)") - os.Stdout.WriteString(": optional, DNSCrypt provider name") - os.Stdout.WriteString(": optional, DNSCrypt server public key") + os.Stdout.WriteString("Usage: dnslookup [ ]\n") + os.Stdout.WriteString(": mandatory, domain name to lookup\n") + os.Stdout.WriteString(": mandatory, server address. Supported: plain, tls:// (DOT), https:// (DOH), sdns:// (DNSCrypt)\n") + os.Stdout.WriteString(": optional, DNSCrypt provider name\n") + os.Stdout.WriteString(": optional, DNSCrypt server public key\n") } - -// TODO after GO 1.13 release TLS 1.3 will be enabled by default. Remove this afterward -func enableTLS13() { - err := os.Setenv("GODEBUG", os.Getenv("GODEBUG")+",tls13=1") - if err != nil { - log.Fatalf("Failed to enable TLS 1.3: %s", err) - } -} \ No newline at end of file