From 8ddae5307959dc2a2eecabd64b891fb6cddc53ab Mon Sep 17 00:00:00 2001 From: Mzack9999 Date: Wed, 16 Dec 2020 21:10:27 +0100 Subject: [PATCH] dns => dnsx --- v2/go.mod | 13 ++++++-- v2/go.sum | 59 +++++++++++++++++++++++++++++++++++++ v2/pkg/resolve/client.go | 52 ++++++++++---------------------- v2/pkg/resolve/resolve.go | 44 ++------------------------- v2/pkg/runner/initialize.go | 15 ++++++---- v2/pkg/runner/util.go | 24 +++++++++++++++ 6 files changed, 121 insertions(+), 86 deletions(-) create mode 100644 v2/pkg/runner/util.go diff --git a/v2/go.mod b/v2/go.mod index fe02efe..688c481 100644 --- a/v2/go.mod +++ b/v2/go.mod @@ -5,14 +5,23 @@ go 1.14 require ( github.com/hako/durafmt v0.0.0-20200710122514-c0fb7b4da026 github.com/json-iterator/go v1.1.10 + github.com/kr/text v0.2.0 // indirect github.com/lib/pq v1.9.0 - github.com/miekg/dns v1.1.35 + github.com/logrusorgru/aurora v2.0.3+incompatible // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.1 // indirect github.com/pkg/errors v0.9.1 github.com/projectdiscovery/chaos-client v0.1.6 + github.com/projectdiscovery/dnsx v1.0.1 github.com/projectdiscovery/fdmax v0.0.3 github.com/projectdiscovery/gologger v1.0.1 github.com/rs/xid v1.2.1 - github.com/stretchr/testify v1.5.1 + github.com/stretchr/testify v1.6.1 github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80 + golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9 // indirect + golang.org/x/net v0.0.0-20201216054612-986b41b23924 // indirect + golang.org/x/sync v0.0.0-20201207232520-09787c993a3a // indirect + golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e // indirect + gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 ) diff --git a/v2/go.sum b/v2/go.sum index 517bc48..e0205fb 100644 --- a/v2/go.sum +++ b/v2/go.sum @@ -1,61 +1,120 @@ +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= github.com/hako/durafmt v0.0.0-20200710122514-c0fb7b4da026 h1:BpJ2o0OR5FV7vrkDYfXYVJQeMNWa8RhklZOpW2ITAIQ= github.com/hako/durafmt v0.0.0-20200710122514-c0fb7b4da026/go.mod h1:5Scbynm8dF1XAPwIwkGPqzkM/shndPm79Jd1003hTjE= +github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= github.com/json-iterator/go v1.1.10 h1:Kz6Cvnvv2wGdaG/V8yMvfkmNiXq9Ya2KUv4rouJJr68= github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= +github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI= +github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= +github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= +github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= +github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= +github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= github.com/lib/pq v1.9.0 h1:L8nSXQQzAYByakOFMTwpjRoHsMJklur4Gi59b6VivR8= github.com/lib/pq v1.9.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= github.com/logrusorgru/aurora v0.0.0-20200102142835-e9ef32dff381 h1:bqDmpDG49ZRnB5PcgP0RXtQvnMSgIF14M7CBd2shtXs= github.com/logrusorgru/aurora v0.0.0-20200102142835-e9ef32dff381/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4= +github.com/logrusorgru/aurora v2.0.3+incompatible h1:tOpm7WcpBTn4fjmVfgpQq0EfczGlG91VSDkswnjF5A8= +github.com/logrusorgru/aurora v2.0.3+incompatible/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4= +github.com/miekg/dns v1.1.29/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM= github.com/miekg/dns v1.1.35 h1:oTfOaDH+mZkdcgdIjH6yBajRGtIwcwcaR+rt23ZSrJs= github.com/miekg/dns v1.1.35/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM= github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc= github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg= github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= +github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI= +github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= +github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= +github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= +github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/projectdiscovery/chaos-client v0.1.6 h1:AbIN7xUszjUi7FxI4qUVSqJ3um+6eImE/xstbNS0A1M= github.com/projectdiscovery/chaos-client v0.1.6/go.mod h1:F5omaoJh/vMvWnZhKD4zFFA5ti+RPwUletwepKSyfxk= +github.com/projectdiscovery/clistats v0.0.5/go.mod h1:lV6jUHAv2bYWqrQstqW8iVIydKJhWlVaLl3Xo9ioVGg= +github.com/projectdiscovery/dnsx v1.0.1 h1:BDV9xHBxEoWESjIrcfeyNMG90vAwgwn23sDHDwlnqAk= +github.com/projectdiscovery/dnsx v1.0.1/go.mod h1:m97qd/KUQmcKve/bhn9jIlJfM2hrpDmwm8Sp+fn2abk= github.com/projectdiscovery/fdmax v0.0.3 h1:FM6lv9expZ/rEEBI9tkRh6tx3DV0gtpwzdc0h7bGPqg= github.com/projectdiscovery/fdmax v0.0.3/go.mod h1:NWRcaR7JTO7fC27H4jCl9n7Z+KIredwpgw1fV+4KrKI= github.com/projectdiscovery/gologger v1.0.0/go.mod h1:Ok+axMqK53bWNwDSU1nTNwITLYMXMdZtRc8/y1c7sWE= github.com/projectdiscovery/gologger v1.0.1 h1:FzoYQZnxz9DCvSi/eg5A6+ET4CQ0CDUs27l6Exr8zMQ= github.com/projectdiscovery/gologger v1.0.1/go.mod h1:Ok+axMqK53bWNwDSU1nTNwITLYMXMdZtRc8/y1c7sWE= +github.com/projectdiscovery/hmap v0.0.1/go.mod h1:VDEfgzkKQdq7iGTKz8Ooul0NuYHQ8qiDs6r8bPD1Sb0= +github.com/projectdiscovery/retryabledns v1.0.5 h1:bQivGy5CuqKlwcxRkgA5ENincqIed/BR2sA6t2gdwuI= +github.com/projectdiscovery/retryabledns v1.0.5/go.mod h1:/UzJn4I+cPdQl6pKiiQfvVAT636YZvJQYZhYhGB0dUQ= github.com/rs/xid v1.2.1 h1:mhH9Nq+C1fY2l1XIpgxIiUOfNpRBYH1kKcr+qfKgjRc= github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4= github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA= +github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0= +github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ= github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80 h1:nrZ3ySNYwJbSpD6ce9duiP+QkD3JuLCcWkdaehUS/3Y= github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80/go.mod h1:iFyPdL66DjUD96XmzVL3ZntbzcflLnznH0fr99w5VqE= +go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= +go.uber.org/ratelimit v0.1.0/go.mod h1:2X8KaoNd1J0lZV+PxJk/5+DGbO/tpwLR1m++a7FnB/Y= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq69pTHfNouLtWZG7j9rPN8= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= +golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9 h1:umElSU9WZirRdgu2yFHY0ayQkEnKiOC1TtM3fWXFnoU= +golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9 h1:sYNJzB4J8toYPQTM6pAkcmBRgw9SnQKP9oXCHfgy604= +golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg= +golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190923162816-aa69164e4478 h1:l5EDrHhldLYb3ZRHDUhXF7Om7MvYXnkV9/iQNo1lX6g= golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20201216054612-986b41b23924 h1:QsnDpLLOKwHBBDa8nDws4DYNc/ryVW2vCpxCs09d4PY= +golang.org/x/net v0.0.0-20201216054612-986b41b23924/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= +golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU= golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20201207232520-09787c993a3a h1:DcqTD9SDLc+1P/r1EmRBwnVsrOwW+kk2vWf9n+1sGhs= +golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod 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@@ package resolve import ( - "bufio" "math/rand" - "os" "time" + + "github.com/projectdiscovery/dnsx/libs/dnsx" ) // DefaultResolvers contains the default list of resolvers known to be good var DefaultResolvers = []string{ - "1.1.1.1", // Cloudflare primary - "1.0.0.1", // Cloudlfare secondary - "8.8.8.8", // Google primary - "8.8.4.4", // Google secondary - "9.9.9.9", // Quad9 Primary - "9.9.9.10", // Quad9 Secondary - "77.88.8.8", // Yandex Primary - "77.88.8.1", // Yandex Secondary - "208.67.222.222", // OpenDNS Primary - "208.67.220.220", // OpenDNS Secondary + "1.1.1.1:53", // Cloudflare primary + "1.0.0.1:53", // Cloudlfare secondary + "8.8.8.8:53", // Google primary + "8.8.4.4:53", // Google secondary + "9.9.9.9:53", // Quad9 Primary + "9.9.9.10:53", // Quad9 Secondary + "77.88.8.8:53", // Yandex Primary + "77.88.8.1:53", // Yandex Secondary + "208.67.222.222:53", // OpenDNS Primary + "208.67.220.220:53", // OpenDNS Secondary } // Resolver is a struct for resolving DNS names type Resolver struct { - resolvers []string + DnsClient *dnsx.DNSX + Resolvers []string rand *rand.Rand } // New creates a new resolver struct with the default resolvers func New() *Resolver { return &Resolver{ - resolvers: []string{}, + Resolvers: []string{}, rand: rand.New(rand.NewSource(time.Now().UnixNano())), } } - -// AppendResolversFromFile appends the resolvers read from a file to the list of resolvers -func (r *Resolver) AppendResolversFromFile(file string) error { - f, err := os.Open(file) - if err != nil { - return err - } - scanner := bufio.NewScanner(f) - for scanner.Scan() { - text := scanner.Text() - if text == "" { - continue - } - r.resolvers = append(r.resolvers, text) - } - f.Close() - return scanner.Err() -} - -// AppendResolversFromSlice appends the slice to the list of resolvers -func (r *Resolver) AppendResolversFromSlice(list []string) { - r.resolvers = append(r.resolvers, list...) -} diff --git a/v2/pkg/resolve/resolve.go b/v2/pkg/resolve/resolve.go index e33785a..c82f866 100644 --- a/v2/pkg/resolve/resolve.go +++ b/v2/pkg/resolve/resolve.go @@ -3,12 +3,10 @@ package resolve import ( "sync" - "github.com/miekg/dns" "github.com/rs/xid" ) const ( - maxResolveRetries = 5 maxWildcardChecks = 3 ) @@ -76,7 +74,7 @@ func (r *ResolutionPool) InitWildcards(domain string) error { for i := 0; i < maxWildcardChecks; i++ { uid := xid.New().String() - hosts, err := r.getARecords(HostEntry{Host: uid + "." + domain}) + hosts, err := r.DnsClient.Lookup(uid + "." + domain) if err != nil { return err } @@ -96,7 +94,7 @@ func (r *ResolutionPool) resolveWorker() { continue } - hosts, err := r.getARecords(task) + hosts, err := r.DnsClient.Lookup(task.Host) if err != nil { r.Results <- Result{Type: Error, Host: task.Host, Source: task.Source, Error: err} continue @@ -117,41 +115,3 @@ func (r *ResolutionPool) resolveWorker() { } r.wg.Done() } - -// getARecords gets all the A records for a given host -func (r *ResolutionPool) getARecords(hostEntry HostEntry) ([]string, error) { - var iteration int - - m := new(dns.Msg) - m.Id = dns.Id() - m.RecursionDesired = true - m.Question = make([]dns.Question, 1) - m.Question[0] = dns.Question{ - Name: dns.Fqdn(hostEntry.Host), - Qtype: dns.TypeA, - Qclass: dns.ClassINET, - } -exchange: - iteration++ - in, err := dns.Exchange(m, r.resolvers[r.rand.Intn(len(r.resolvers))]+":53") - if err != nil { - // Retry in case of I/O error - if iteration <= maxResolveRetries { - goto exchange - } - return nil, err - } - // Ignore the error in case we have bad result - if in != nil && in.Rcode != dns.RcodeSuccess { - return nil, nil - } - - var hosts []string - for _, record := range in.Answer { - if t, ok := record.(*dns.A); ok { - hosts = append(hosts, t.A.String()) - } - } - - return hosts, nil -} diff --git a/v2/pkg/runner/initialize.go b/v2/pkg/runner/initialize.go index 69a5a4d..d0a0b3f 100644 --- a/v2/pkg/runner/initialize.go +++ b/v2/pkg/runner/initialize.go @@ -3,6 +3,7 @@ package runner import ( "strings" + "github.com/projectdiscovery/dnsx/libs/dnsx" "github.com/projectdiscovery/subfinder/v2/pkg/passive" "github.com/projectdiscovery/subfinder/v2/pkg/resolve" ) @@ -41,18 +42,17 @@ func (r *Runner) initializePassiveEngine() { // initializeActiveEngine creates the resolver used to resolve the found subdomains func (r *Runner) initializeActiveEngine() error { - r.resolverClient = resolve.New() + var resolvers []string // If the file has been provided, read resolvers from the file if r.options.ResolverList != "" { - err := r.resolverClient.AppendResolversFromFile(r.options.ResolverList) + var err error + resolvers, err = loadFromFile(r.options.ResolverList) if err != nil { return err } } - var resolvers []string - if r.options.Resolvers != "" { resolvers = append(resolvers, strings.Split(r.options.Resolvers, ",")...) } else if len(r.options.YAMLConfig.Resolvers) > 0 { @@ -61,7 +61,12 @@ func (r *Runner) initializeActiveEngine() error { resolvers = append(resolvers, resolve.DefaultResolvers...) } - r.resolverClient.AppendResolversFromSlice(resolvers) + r.resolverClient = resolve.New() + var err error + r.resolverClient.DnsClient, err = dnsx.New(dnsx.Options{BaseResolvers: resolvers}) + if err != nil { + return nil + } return nil } diff --git a/v2/pkg/runner/util.go b/v2/pkg/runner/util.go new file mode 100644 index 0000000..10f5c04 --- /dev/null +++ b/v2/pkg/runner/util.go @@ -0,0 +1,24 @@ +package runner + +import ( + "bufio" + "os" +) + +func loadFromFile(file string) ([]string, error) { + var items []string + f, err := os.Open(file) + if err != nil { + return items, err + } + defer f.Close() + scanner := bufio.NewScanner(f) + for scanner.Scan() { + text := scanner.Text() + if text == "" { + continue + } + items = append(items, text) + } + return items, scanner.Err() +}