FreeBSD/src ae1f790 (r355731)crypto/openssh sftp-server.c

sftp: disallow creation (of empty files) in read-only mode

Direct commit to stable/11; already fixed in newer OpenSSH in 12 and
later.

PR:             233801
Reported by:    Dani
Obtained from:  OpenBSD 1.111
Security:       CVE-2017-15906
DeltaFile
+2-2crypto/openssh/sftp-server.c
+2-21 files

UnifiedSplitRaw