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profile: removed clumsy centralised ssh-agent 

It is hard to keep track of all user sessions, since one may login through X
directly, without ever using a TTY. It seems like there is no standard way to
check for the number of running sessions. We could use files to track it but
then we run into race conditions.

For the sake of simplicity, and since running multiple sessions on the same
machine does not occur very often anyway, it is simpler to use one agent per
session (only 3 lines of code).
master
Pierre Neidhardt 2013-12-29 10:10:22 +01:00
parent 9bb9ae8606
commit f6a1f86722
1 changed files with 6 additions and 13 deletions
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19
.profile
View File

@ -1,7 +1,6 @@
#!/bin/sh
################################################################################
## .profile
## 2013-06-03
################################################################################
## This file is sourced by .xprofile and shell rc files to make sure it work in
## TTY as well as under X.
@ -113,22 +112,16 @@ command -v luakit >/dev/null && export BROWSER="luakit"
command -v dwb >/dev/null && export BROWSER="dwb"
## SSH-Agent
## WARNING: this is somewhat insecure if someone else has root access to the machine.
## WARNING: this is insecure on machines where someone else has root access.
if command -v ssh-agent >/dev/null; then
[ ! -e "$HOME/.ssh" ] && mkdir -p "$HOME/.ssh"
if [ -d "$HOME/.ssh" ]; then
readonly SSH_ENV_FILE="$HOME/.ssh/ssh-agent-env"
if [ ! -f "$SSH_ENV_FILE" ]; then
ssh-agent > "$SSH_ENV_FILE"
fi
source "$SSH_ENV_FILE"
fi
eval "$(ssh-agent)"
fi
## Kill ssh-agent if this is the only running session.
trap '[ $(w -hs $USER | wc -l) -eq 1 ] && test -n "$SSH_AGENT_PID" && eval $(ssh-agent -k) && rm -f "$SSH_ENV_FILE"' 0
## Kill ssh-agent on session end.
trap 'test -n "$SSH_AGENT_PID" && eval $(ssh-agent -k)' 0
## Set TEMP dir if you want to override /tmp for some applications that check
## for this variable. Usually not a good idea.
## for this variable. Usually not a good idea since some applications will write
## junk files in it.
# [ -d "$HOME/temp" ] && export TEMP="$HOME/temp"
## Wine DLL override. This removes the annoying messages for Mono and Gecko.