Hi. Last night on an irc openssh channel, a user brought up a use case involving cluster trees and very descriptive (i.e. long) hierarchical hostnames. To make a long story short, his ControlPath (~/.ssh/control-master /%r@%h:%p) was bumping up against UNIX_PATH_MAX. Attached patch adds a new percent-token (%H) that expands to the sha1 digest of the concatenation of host (%h) + port (%p) + remote user (%r). The token's expanded length is a fixed 40 characters and, barring digest collision, provides uniqueness. The patch was built against 6.5p1 but applies (with harmless offsets) to OpenBSD HEAD. --mancha _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev