Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

html/template: escaping {{else}} is unimplemented #10611

Closed
dvyukov opened this issue Apr 29, 2015 · 2 comments
Closed

html/template: escaping {{else}} is unimplemented #10611

dvyukov opened this issue Apr 29, 2015 · 2 comments
Milestone

Comments

@dvyukov
Copy link
Member

dvyukov commented Apr 29, 2015

The following program crashes with panic:

package main

import (
    "html/template"
    "io/ioutil"
)

func main() {
    t, err := template.New("foo").Parse(string(data))
    if err != nil {
        return
    }
    t.Execute(ioutil.Discard, nil)
}

var data = "{{else}}"
panic: escaping {{else}} is unimplemented

goroutine 1 [running]:
html/template.(*escaper).escape(0xc208010540, 0x0, 0x0, 0x7f73f1e9a2b0, 0xc20800e460, 0x700000000000000, 0x0)
    src/html/template/escape.go:133 +0x449
html/template.(*escaper).escapeList(0xc208010540, 0x0, 0x0, 0xc2080147e0, 0x0, 0x0)
    src/html/template/escape.go:440 +0x1c9
html/template.(*escaper).escapeListConditionally(0xc208010500, 0x0, 0x0, 0xc2080147e0, 0xc2080419b0, 0x0, 0x0, 0x7f73f2046000)
    src/html/template/escape.go:455 +0x4be
html/template.(*escaper).escapeTemplateBody(0xc208010500, 0x0, 0x0, 0xc208010440, 0x0, 0x0, 0x8700000000000002)
    src/html/template/escape.go:573 +0x1e2
html/template.(*escaper).computeOutCtx(0xc208010500, 0x0, 0x0, 0xc208010440, 0x0, 0x0)
    src/html/template/escape.go:534 +0xc9
html/template.(*escaper).escapeTree(0xc208010500, 0x0, 0x0, 0x7f73f1e9a2f8, 0xc2080147e0, 0x5ba240, 0x3, 0x0, 0x0, 0x0, ...)
    src/html/template/escape.go:527 +0x77f
html/template.escapeTemplate(0xc2080146f0, 0x7f73f1e9a2f8, 0xc2080147e0, 0x5ba240, 0x3, 0x0, 0x0)
    src/html/template/escape.go:23 +0x334
html/template.(*Template).escape(0xc2080146f0, 0x0, 0x0)
    src/html/template/template.go:85 +0x35d
html/template.(*Template).Execute(0xc2080146f0, 0x7f73f1e9a288, 0xc20800a4c0, 0x0, 0x0, 0x0, 0x0)
    src/html/template/template.go:101 +0x37
main.main()
    /tmp/htmltempl.go:13 +0x290

on commit ccc76db

@dvyukov dvyukov added this to the Go1.5 milestone Apr 29, 2015
@robpike
Copy link
Contributor

robpike commented Apr 30, 2015

The problem is in text/template, which should have rejected this template.

@gopherbot
Copy link
Contributor

CL https://golang.org/cl/9620 mentions this issue.

@robpike robpike closed this as completed in 80cedf3 May 1, 2015
@golang golang locked and limited conversation to collaborators Jun 25, 2016
@rsc rsc unassigned robpike Jun 23, 2022
Sign up for free to subscribe to this conversation on GitHub. Already have an account? Sign in.
Projects
None yet
Development

No branches or pull requests

3 participants