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add tftp server to allow grub with long path
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,5 @@ | ||
| ipxeblue | ||
| vendors | ||
| .podman-data | ||
| .podman-data | ||
| !tftp/.gitkeep | ||
| tftp/ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package controllers | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "github.com/aarnaud/ipxeblue/utils" | ||
| "github.com/pin/tftp/v3" | ||
| "github.com/rs/zerolog/log" | ||
| "gorm.io/gorm" | ||
| "io" | ||
| "net/http" | ||
| "net/url" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| func GetTFTPReader(config *utils.Config, db *gorm.DB) func(filename string, rf io.ReaderFrom) error { | ||
| folder := "tftp" | ||
| return func(filename string, rf io.ReaderFrom) error { | ||
| filename = strings.TrimRight(filename, "�") | ||
| raddr := rf.(tftp.OutgoingTransfer).RemoteAddr() | ||
| log.Info().Msgf("RRQ from %s filename %s", raddr.String(), filename) | ||
|
|
||
| path := filepath.Join(folder, filename) | ||
|
|
||
| // if file doesn't exist and path start by /grub/ use grubTFTP2HTTP | ||
| if _, err := os.Stat(path); errors.Is(err, os.ErrNotExist) && strings.HasPrefix(filename, "/grub/") { | ||
| return grubTFTP2HTTP(config, db, filename, rf) | ||
| } | ||
|
|
||
| file, err := os.Open(path) | ||
| if err != nil { | ||
| log.Error().Err(err) | ||
| return err | ||
| } | ||
| stat, err := file.Stat() | ||
| if err != nil { | ||
| log.Error().Err(err) | ||
| return err | ||
| } | ||
| rf.(tftp.OutgoingTransfer).SetSize(stat.Size()) | ||
| _, err = rf.ReadFrom(file) | ||
| if err != nil { | ||
| log.Error().Err(err) | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
| } | ||
|
|
||
| func GetTFTPWriter(config *utils.Config) func(filename string, wt io.WriterTo) error { | ||
| return func(filename string, wt io.WriterTo) error { | ||
| return nil | ||
| } | ||
| } | ||
|
|
||
| func grubTFTP2HTTP(config *utils.Config, db *gorm.DB, filename string, rf io.ReaderFrom) error { | ||
| gruburl, _ := url.Parse(config.BaseURL.String()) | ||
| if filename == "/grub/grub.cfg" { | ||
| gruburl = gruburl.JoinPath("/grub/") | ||
| resp, err := http.Get(gruburl.String()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer resp.Body.Close() | ||
| b, err := io.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| reader := strings.NewReader(string(b)) | ||
| _, err = rf.ReadFrom(reader) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| paths := strings.Split(filename, "/") | ||
| if len(paths) < 11 { | ||
| return fmt.Errorf("invalid path") | ||
| } | ||
| gruburl = gruburl.JoinPath("/grub/") | ||
| query := gruburl.Query() | ||
| query.Add("mac", paths[2]) | ||
| query.Add("ip", paths[3]) | ||
| query.Add("uuid", paths[4]) | ||
| query.Add("asset", strings.TrimSpace(strings.TrimLeft(paths[5], "-"))) | ||
| query.Add("manufacturer", strings.TrimLeft(paths[6], "-")) | ||
| query.Add("serial", strings.TrimLeft(paths[7], "-")) | ||
| query.Add("product", strings.TrimLeft(paths[8], "-")) | ||
| query.Add("buildarch", strings.TrimLeft(paths[9], "-")) | ||
| query.Add("platform", strings.TrimLeft(paths[10], "-")) | ||
| gruburl.RawQuery = query.Encode() | ||
| resp, err := http.Get(gruburl.String()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer resp.Body.Close() | ||
| b, err := io.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| reader := strings.NewReader(string(b)) | ||
| _, err = rf.ReadFrom(reader) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } |
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