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perms: session tools (s/{sid}/t/) are owner-only (0700) 

Prevents agents from accessing other sessions' tools.
This commit is contained in:
Levi Neely 2026-05-19 15:56:26 +02:00
parent 57e341f907
commit c6da56b1d8
1 changed files with 3 additions and 3 deletions
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6
server.go
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@ -1637,7 +1637,7 @@ func (s *Server) makeStat(path string) plan9.Dir {
if strings.HasPrefix(path, "/s/") { if strings.HasPrefix(path, "/s/") {
parts := strings.SplitN(strings.TrimPrefix(path, "/s/"), "/", 3) parts := strings.SplitN(strings.TrimPrefix(path, "/s/"), "/", 3)
if (len(parts) == 2 && parts[1] == "t") || (len(parts) == 3 && parts[1] == "t") { if (len(parts) == 2 && parts[1] == "t") || (len(parts) == 3 && parts[1] == "t") {
mode = plan9.DMDIR | 0777 mode = plan9.DMDIR | 0700
} else { } else {
mode = plan9.DMDIR | 0555 mode = plan9.DMDIR | 0555
} }
@ -1677,9 +1677,9 @@ func (s *Server) makeStat(path string) plan9.Dir {
} else if strings.HasPrefix(path, "/s/") { } else if strings.HasPrefix(path, "/s/") {
parts := strings.SplitN(strings.TrimPrefix(path, "/s/"), "/", 3) parts := strings.SplitN(strings.TrimPrefix(path, "/s/"), "/", 3)
if len(parts) == 3 && parts[1] == "t" && parts[2] == "idx" { if len(parts) == 3 && parts[1] == "t" && parts[2] == "idx" {
mode = 0444 mode = 0400
} else if len(parts) == 3 && parts[1] == "t" { } else if len(parts) == 3 && parts[1] == "t" {
mode = 0777 mode = 0700
} else { } else {
mode = 0444 mode = 0444
} }