commit 7cefb4c8013800b9c445e7c99e34b9ddf670841c Author: Yawning Angel yawning@schwanenlied.me Date: Thu Dec 1 20:38:45 2016 +0000

Bug #20847: Make Print to File work.

At least this was simple to fix, printing is handled by Gtk, and the appropriate backend was missing. --- .../internal/sandbox/application.go | 30 +++++++++++++++++++--- 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/src/cmd/sandboxed-tor-browser/internal/sandbox/application.go b/src/cmd/sandboxed-tor-browser/internal/sandbox/application.go index 7620802..1e8696d 100644 --- a/src/cmd/sandboxed-tor-browser/internal/sandbox/application.go +++ b/src/cmd/sandboxed-tor-browser/internal/sandbox/application.go @@ -554,30 +554,52 @@ func (h *hugbox) appendRestrictedGtk2() ([]string, string, error) { libAdwaita = "libadwaita.so" libPixmap = "libpixmap.so" libPngLoader = "libpixbufloader-png.so" + libPrintFile = "libprintbackend-file.so"

- gtkSubDir = "gtk-2.0/2.10.0/engines" - gdkSubDir = "gdk-pixbuf-2.0/2.10.0/loaders" + engineSubDir = "gtk-2.0/2.10.0/engines" + printSubDir = "gtk-2.0/2.10.0/printbackends" + gdkSubDir = "gdk-pixbuf-2.0/2.10.0/loaders" )

gtkLibs := []string{} gtkLibPath := "" + setGtkPath := false

// Figure out where the system keeps the Gtk+-2.0 theme libraries, // and bind mount in Adwaita and Pixmap. - adwaitaPath := findDistributionDependentLibs(gtkSubDir, libAdwaita) + adwaitaPath := findDistributionDependentLibs(engineSubDir, libAdwaita) if adwaitaPath != "" { gtkEngineDir, _ := filepath.Split(adwaitaPath) normGtkEngineDir := filepath.Join(restrictedLibDir, "gtk-2.0", "2.10.0", "engines") h.roBind(adwaitaPath, filepath.Join(normGtkEngineDir, libAdwaita), false) h.roBind(filepath.Join(gtkEngineDir, libPixmap), filepath.Join(normGtkEngineDir, libPixmap), true) - h.setenv("GTK_PATH", filepath.Join(restrictedLibDir, "gtk-2.0"))

+ setGtkPath = true gtkLibs = append(gtkLibs, libAdwaita) gtkLibPath = gtkLibPath + ":" + gtkEngineDir } else { log.Printf("sandbox: Failed to find gtk-2.0 libadwaita.so.") }

+ // Figure out where the system keeps the Gtk+-2.0 print backends, + // and bind mount in the file one. + printFilePath := findDistributionDependentLibs(printSubDir, libPrintFile) + if printFilePath != "" { + gtkPrintDir, _ := filepath.Split(printFilePath) + normGtkPrintDir := filepath.Join(restrictedLibDir, "gtk-2.0", "2.10.0", "printbackends") + h.roBind(printFilePath, filepath.Join(normGtkPrintDir, libPrintFile), false) + + setGtkPath = true + gtkLibs = append(gtkLibs, libPrintFile) + gtkLibPath = gtkLibPath + ":" + gtkPrintDir + } else { + log.Printf("sandbox: Failed to find gtk-2.0 libprintbackend-file.so.") + } + + if setGtkPath { + h.setenv("GTK_PATH", filepath.Join(restrictedLibDir, "gtk-2.0")) + } + // Figure out if the system gdk-pixbuf-2.0 needs loaders for common // file formats. Arch and Fedora 25 do not. Debian does. As far as // I can tell, the only file format we actually care about is PNG.