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Merge pull request #1 from aarnaud/develop
Add grub support to allow secure boot
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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 +1,132 @@ | ||
| package controllers | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "github.com/aarnaud/ipxeblue/models" | ||
| "github.com/aarnaud/ipxeblue/utils" | ||
| "github.com/gin-gonic/gin" | ||
| "github.com/google/uuid" | ||
| "github.com/jackc/pgtype" | ||
| "gorm.io/gorm" | ||
| "net/http" | ||
| "text/template" | ||
| ) | ||
|
|
||
| func GrubScript(c *gin.Context) { | ||
| config := c.MustGet("config").(*utils.Config) | ||
|
|
||
| // basic check or reply with ipxe chain | ||
| _, uuidExist := c.GetQuery("uuid") | ||
| _, macExist := c.GetQuery("mac") | ||
| _, ipExist := c.GetQuery("ip") | ||
| if !uuidExist || !macExist || !ipExist { | ||
| baseURL := *config.BaseURL | ||
| // use the same scheme from request to generate URL | ||
| if schem := c.Request.Header.Get("X-Forwarded-Proto"); schem != "" { | ||
| baseURL.Scheme = schem | ||
| } | ||
| c.HTML(http.StatusOK, "grub_index.gohtml", gin.H{ | ||
| "BaseURL": config.BaseURL.String(), | ||
| "Scheme": config.BaseURL.Scheme, | ||
| "Host": config.BaseURL.Host, | ||
| }) | ||
| return | ||
| } | ||
|
|
||
| // process query params | ||
| db := c.MustGet("db").(*gorm.DB) | ||
| id, err := uuid.Parse(c.Query("uuid")) | ||
| if err != nil { | ||
| c.AbortWithStatusJSON(http.StatusNotAcceptable, gin.H{ | ||
| "error": err.Error(), | ||
| }) | ||
| return | ||
| } | ||
|
|
||
| mac := pgtype.Macaddr{} | ||
| err = mac.DecodeText(nil, []byte(c.Query("mac"))) | ||
| if err != nil { | ||
| c.AbortWithStatusJSON(http.StatusNotAcceptable, gin.H{ | ||
| "error": err.Error(), | ||
| }) | ||
| return | ||
| } | ||
|
|
||
| ip := pgtype.Inet{} | ||
| err = ip.DecodeText(nil, []byte(c.Query("ip"))) | ||
| if err != nil { | ||
| c.AbortWithStatusJSON(http.StatusNotAcceptable, gin.H{ | ||
| "error": err.Error(), | ||
| }) | ||
| return | ||
| } | ||
|
|
||
| computer := updateOrCreateComputer(c, id, mac, ip) | ||
| // Add computer in gin context to use it in template function | ||
| c.Set("computer", &computer) | ||
|
|
||
| c.Header("Content-Type", "text/plain; charset=utf-8") | ||
| bootorder := models.Bootorder{} | ||
| result := db.Preload("Bootentry").Preload("Bootentry.Files"). | ||
| Where("computer_uuid = ?", computer.Uuid).Order("bootorders.order").First(&bootorder) | ||
| if result.RowsAffected == 0 { | ||
| c.HTML(http.StatusOK, "grub_empty.gohtml", gin.H{}) | ||
| return | ||
| } | ||
| bootentry := bootorder.Bootentry | ||
|
|
||
| // Create template name by the uuid | ||
| tpl := template.New(bootentry.Uuid.String()) | ||
| // provide a func in the FuncMap which can access tpl to be able to look up templates | ||
| tpl.Funcs(utils.GetCustomFunctions(c, tpl)) | ||
|
|
||
| tpl, err = tpl.Parse(bootentry.GrupScript) | ||
| if err != nil { | ||
| c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{ | ||
| "error": err.Error(), | ||
| }) | ||
| return | ||
| } | ||
|
|
||
| writer := bytes.NewBuffer([]byte{}) | ||
| writer.Write([]byte("set timeout=2\n")) | ||
| writer.Write([]byte(fmt.Sprintf("set prefix=(http,%s)\n", config.BaseURL.Host))) | ||
| writer.Write([]byte(fmt.Sprintf("echo 'Booting %s'\n", bootentry.Description))) | ||
|
|
||
| // if bootentry selected is menu load all bootentries as template | ||
| if bootentry.Name == "menu" { | ||
| bootentries := make([]models.Bootentry, 0) | ||
| db.Preload("Files").Where("name != 'menu'").Find(&bootentries) | ||
| for _, be := range bootentries { | ||
| // test if empty | ||
| tpl.New(be.Uuid.String()).Parse(be.GrupScript) | ||
| } | ||
| err = tpl.ExecuteTemplate(writer, bootentry.Uuid.String(), gin.H{ | ||
| "Computer": computer, | ||
| "Bootentry": bootentry, | ||
| "Bootentries": bootentries, | ||
| }) | ||
| if err != nil { | ||
| c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{ | ||
| "error": err.Error(), | ||
| }) | ||
| return | ||
| } | ||
| } else { | ||
| err = tpl.ExecuteTemplate(writer, bootentry.Uuid.String(), bootentry) | ||
| if err != nil { | ||
| c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{ | ||
| "error": err.Error(), | ||
| }) | ||
| return | ||
| } | ||
| } | ||
|
|
||
| // reset bootentry if not persistent | ||
| if !*bootentry.Persistent { | ||
| db.Model(&bootorder).Delete(&bootorder) | ||
| } | ||
|
|
||
| c.Data(http.StatusOK, "text/plain", writer.Bytes()) | ||
| } |
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