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Think I'm ready to check this all in now; shared dotfiles that can be "sent" through an SSH connection to be used and cleaned up when finished.
author Steve Huston <huston@srhuston.net>
date Wed, 24 Apr 2024 16:15:40 -0400
parents b00e6b403896
children 48b4f41712dc
comparison
equal deleted inserted replaced
264:bb69763716a7 265:df0b24d4fabd
1 # Aliases are read from this file; no real reason to separate them out except 1 # Aliases are read from this file; no real reason to separate them out except
2 # for readability. 2 # for readability.
3 3
4 #
4 # Some settings which are architecture dependent 5 # Some settings which are architecture dependent
6 #
5 case `uname` in 7 case `uname` in
6 Darwin) 8 Darwin)
7 # DARWIN is used for the SSHFS mounts below 9 # DARWIN is used for the SSHFS mounts below
8 DARWIN="yes" 10 DARWIN="yes"
9 11
39 41
40 VNCVIEWER="vncviewer Shared=1 Fullcolor=1 " 42 VNCVIEWER="vncviewer Shared=1 Fullcolor=1 "
41 ;; 43 ;;
42 esac 44 esac
43 45
46 #
44 # Export some of those above for the benefit of future shells 47 # Export some of those above for the benefit of future shells
48 #
45 export DFSTAT MDATE 49 export DFSTAT MDATE
46 50
47 # SSH aliases 51 #
48 alias bh='ssh csesbh2.princeton.edu' 52 # Create a service that can share files through to places we ssh to from here.
53 # This should be pretty light, rooted in the $DOTHOME directory (see ~/.bashrc
54 # for information) and removed when we either request it or the shell exits.
55 #
56 ds() {
57
58 PIDFILE=${DOTHOME}/.dotshare-PID
59
60 # If we want to kill an existing server, let's do that first.
61 if [ "$1" == "end" -a -e $PIDFILE ]; then
62 kill `cat $PIDFILE`
63 unset DOTSHARE_PID DOTSHARE_PORT
64 echo "Server terminated"
65 return 0
66 fi
67
68 # Let's check if things exist and we can just use them as-is
69 if [ -e $PIDFILE ]; then
70 DOTSHARE_PID=`cat $PIDFILE`
71 DOTSHARE_PORT=`lsof -n -p $DOTSHARE_PID | grep LISTEN | awk '{print $9}' | sed 's/.*://'`
72 if [ -z $DOTSHARE_PORT ]; then
73 echo "Server PIDfile found but couldn't get a port, aborting"
74 return 255
75 fi
76 echo "Existing server ${DOTSHARE_PID} listening on ${DOTSHARE_PORT}, setting environment"
77 export DOTSHARE_PID DOTSHARE_PORT
78 return 0
79 fi
80
81 # Nothing exists, so we need to make one; first, which python do we have
82 if hash python3 > /dev/null 2>&1 ; then
83 # Python 3.9 also accepts '-d' for a directory
84 serv_cmd="python3 -m http.server --bind localhost 0"
85 elif hash python > /dev/null 2>&1 ; then
86 # I think nothing else where I'd run this will need this one
87 serv_cmd="python -m SimpleHTTPServer 0"
88 else
89 echo "No python found, cannot start share server."
90 return 255
91 fi
92
93 # Spawning this in a subshell because the process won't go away and we want
94 # to background it, but we also want to set a trap around the whole thing,
95 # and we need to 'cd' to somewhere else to start it since older versions
96 # can't be passed a different path to serve. So there's some hacks here,
97 # but I don't think they're avoidable for the moment. Once Joshua and
98 # Xanadu have Python 3.9 at least, I can rework this whole thing.
99 (
100 cd $DOTHOME
101 $serv_cmd > /dev/null 2>&1 &
102 P=$!
103 echo $P > ${DOTHOME}/.dotshare-PID
104 trap "kill $P 2>/dev/null; rm -f $PIDFILE; unset DOTSHARE_PID DOTSHARE_PORT" 0
105 wait
106 ) &
107 disown %+
108
109 # Give it a moment to collect its thoughts...
110 sleep 1
111 DOTSHARE_PID=`cat $PIDFILE`
112 DOTSHARE_PORT=`lsof -n -p $DOTSHARE_PID | grep LISTEN | awk '{print $9}' | sed 's/.*://'`
113 echo "Server PID $DOTSHARE_PID ready on port $DOTSHARE_PORT"
114 export DOTSHARE_PID DOTSHARE_PORT
115 }
116
117 #
118 # SSH aliases/functions
119 #
49 cert() { 120 cert() {
50 # SSH key signing with Vault for administration 121 # SSH key signing with Vault for administration
51 export VAULT_ADDR='https://ajax.rc.princeton.edu:8200' 122 export VAULT_ADDR='https://ajax.rc.princeton.edu:8200'
52 ssh-add -d $HOME/.ssh/rc_vault_key-cert.pub > /dev/null 2>&1 123 ssh-add -d $HOME/.ssh/rc_vault_key-cert.pub > /dev/null 2>&1
53 if vault login -method=radius username=vi-srh; then 124 if vault login -method=radius username=vi-srh; then
55 ssh-add -t 36000 $HOME/.ssh/rc_vault_key 126 ssh-add -t 36000 $HOME/.ssh/rc_vault_key
56 else 127 else
57 echo Failed to login to vault, aborting 128 echo Failed to login to vault, aborting
58 fi 129 fi
59 } 130 }
60 alias dh='ssh srhuston.net' 131
61 alias j='ssh joshua.srhuston.net' 132 # I rename my keys from the standard so they're easy to glob on a commandline
62 alias keys='ssh-add $HOME/.ssh/*.pvt' 133 alias keys='ssh-add $HOME/.ssh/*.pvt'
63 alias r='ssh -l root' 134
64 alias rf='ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o GlobalKnownHostsFile=/dev/null -l root' 135 #
136 # These are for reattaching screen sessions, only useful on bastion systems
137 #
65 alias rbh='ssh -t csesbh2.princeton.edu screen -raAx csesbh2' 138 alias rbh='ssh -t csesbh2.princeton.edu screen -raAx csesbh2'
66 alias rj='ssh -t joshua.srhuston.net screen -raAx' 139 alias rj='ssh -t joshua.srhuston.net screen -raAx'
67 alias rx='ssh -t xanadu.astro.princeton.edu screen -raAx' 140 alias rx='ssh -t xanadu.astro.princeton.edu screen -raAx'
68 alias s=ssh 141
69 alias sf='ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o GlobalKnownHostsFile=/dev/null'
70 t() { 142 t() {
71 # Tunneling SSH - a simple 't hostname' will tunnel to xanadu and then 143 # Tunneling SSH - a simple 't hostname' will tunnel to xanadu and then
72 # connect to hostname, while 't hostname tunnelhost' will connect to 144 # connect to hostname, while 't hostname tunnelhost' will connect to
73 # tunnelhost and then hostname 145 # tunnelhost and then hostname
146 # Today (2024/03/30) I don't remember the last time I used this; retire?
74 T_HOST=xanadu.astro.princeton.edu 147 T_HOST=xanadu.astro.princeton.edu
75 if [ -n "$2" ] ; then 148 if [ -n "$2" ] ; then
76 T_HOST=$2 149 T_HOST=$2
77 fi 150 fi
78 ssh -t $T_HOST "ssh $1" 151 ssh -t $T_HOST "ssh $1"
79 } 152 }
80 alias x='ssh xanadu.astro.princeton.edu' 153
81
82 # Proxying/tunneling - predominantly for my Mac laptop
83 proxy() { 154 proxy() {
84 local PROXY_HOST PROXY_PORT PROXY_PATH PROXY_UMOUNT 155 # Proxying/tunneling - predominantly for my Mac laptop
156 local PROXY_HOST PROXY_PORT PROXY_PATH PROXY_UMOUNT PROXY_CMD
157 # We set a simple command to run over the proxy for normal connections,
158 # which we know will be multiplexed and stay active. If you're using a
159 # manual host for something, you'll want to use a "sleep 30" or something to
160 # keep the shell open long enough for the proxy to be used, or maybe even
161 # longer if you plan on disconnecting and reconnecting over time.
162 PROXY_CMD=${PROXY_CMD:-hostname}
85 case $1 in 163 case $1 in
86 home) 164 home)
87 if [ "$HOST" != "gallifrey" ] ; then 165 if [ "$HOST" != "gallifrey" ] ; then
88 echo "Not on gallifrey, no need for this" 166 echo "Not on gallifrey, no need for this"
89 return 167 return
128 # In theory you need to have a job stay on the remote host for the 206 # In theory you need to have a job stay on the remote host for the
129 # forwarding to stay open. However if you're using persistent/shared 207 # forwarding to stay open. However if you're using persistent/shared
130 # connections then the port stays open anyway. We still need a command 208 # connections then the port stays open anyway. We still need a command
131 # though, and 'hostname' returns quickly as well as giving a visual output 209 # though, and 'hostname' returns quickly as well as giving a visual output
132 # that you connected to the right place. 210 # that you connected to the right place.
133 ssh -D $PROXY_PORT -f -C -q $PROXY_HOST 'hostname' 211 ssh -D $PROXY_PORT -f -C -q $PROXY_HOST "$PROXY_CMD"
134 ( 212 (
135 /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome \ 213 /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome \
136 --proxy-server="socks5://127.0.0.1:$PROXY_PORT" \ 214 --proxy-server="socks5://127.0.0.1:$PROXY_PORT" \
137 --host-resolver-rules="MAP * 0.0.0.0 , EXCLUDE localhost" \ 215 --host-resolver-rules="MAP * 0.0.0.0 , EXCLUDE localhost" \
138 --user-data-dir="${PROXY_PATH}" > /dev/null 2>&1 216 --user-data-dir="${PROXY_PATH}" > /dev/null 2>&1
142 # ssh -O cancel -D $PROXY_PORT $PROXY_HOST 220 # ssh -O cancel -D $PROXY_PORT $PROXY_HOST
143 ) & 221 ) &
144 disown %+ 222 disown %+
145 } 223 }
146 224
147 # Remote desktop/VNC 225 #
226 # Remote desktop/VNC - definitely outdated and maybe no longer useful?
227 #
148 eval "alias milton='ssh -L9930:milton:5900 -f joshua.srhuston.net \"sleep 5\"; ${VNCVIEWER}localhost:9930 &'" 228 eval "alias milton='ssh -L9930:milton:5900 -f joshua.srhuston.net \"sleep 5\"; ${VNCVIEWER}localhost:9930 &'"
149 229
230 #
150 # Programs 231 # Programs
232 #
151 alias atari='atari800 -height 800 -width 600' 233 alias atari='atari800 -height 800 -width 600'
152 alias base64='openssl enc -a' 234 alias base64='openssl enc -a'
153 alias irssi-test='irssi --home=$HOME/irssi-test/' 235 alias irssi-test='irssi --home=$HOME/irssi-test/'
154 alias pine='alpine' 236 alias pine='alpine'
155 alias ret='screen -raAx' 237 alias ret='screen -raAx'
156 alias rot13="tr 'a-zA-Z' 'n-za-mN-ZA-M'"
157 tt () { 238 tt () {
158 OPTS="-G" 239 OPTS="-G"
159 if [ -e ${HOME}/.tt/${1}.tin ] ; then 240 if [ -e ${HOME}/.tt/${1}.tin ] ; then
160 OPTS="${OPTS} ${HOME}/.tt/${1}.tin" 241 OPTS="${OPTS} ${HOME}/.tt/${1}.tin"
161 shift 242 shift
162 fi 243 fi
163 tt++ ${OPTS} $@ 244 tt++ ${OPTS} $@
164 } 245 }
165 alias vi='vim' 246
166 247 #
167 # SSHFS mounts 248 # SSHFS mounts
168 # The $DARWIN check fills in a nice volname if this is a Mac 249 # The $DARWIN check fills in a nice volname if this is a Mac
250 #
169 alias junkpile="sshfs -oreconnect${DARWIN:+,volname=Junkpile} srhuston.net:junkpile $HOME/junkpile" 251 alias junkpile="sshfs -oreconnect${DARWIN:+,volname=Junkpile} srhuston.net:junkpile $HOME/junkpile"
170 alias sdh="sshfs -oreconnect${DARWIN:+,volname=srhuston.net} srhuston.net: $HOME/srhuston.net" 252 alias sdh="sshfs -oreconnect${DARWIN:+,volname=srhuston.net} srhuston.net: $HOME/srhuston.net"
171 alias sj="sshfs -oreconnect${DARWIN:+,volname=Joshua} joshua.srhuston.net: $HOME/joshua" 253 alias sj="sshfs -oreconnect${DARWIN:+,volname=Joshua} joshua.srhuston.net: $HOME/joshua"
172 alias sx="sshfs -oreconnect${DARWIN:+,volname=Xanadu} xanadu.astro.princeton.edu: $HOME/xanadu" 254 alias sx="sshfs -oreconnect${DARWIN:+,volname=Xanadu} xanadu.astro.princeton.edu: $HOME/xanadu"
173 alias vw="sshfs -oreconnect${DARWIN:+,volname=VW} vw.math.princeton.edu: $HOME/vw" 255 alias vw="sshfs -oreconnect${DARWIN:+,volname=VW} vw.math.princeton.edu: $HOME/vw"
174 alias tmu="sshfs -oreconnect${DARWIN:+,volname=tomenet-user} joshua.srhuston.net:Installs/tomenet/lib/user $HOME/Installs/tomenet/lib/user" 256 alias tmu="sshfs -oreconnect${DARWIN:+,volname=tomenet-user} joshua.srhuston.net:Installs/tomenet/lib/user $HOME/Installs/tomenet/lib/user"
175 257
258 #
176 # LDAP/host tools 259 # LDAP/host tools
260 #
177 alias ldm="ldapmodify -Q -Y GSSAPI -c" 261 alias ldm="ldapmodify -Q -Y GSSAPI -c"
178 alias ldsloop='while true; do read; clear; lds "$REPLY"; done' 262 alias ldsloop='while true; do read; clear; lds "$REPLY"; done'
179
180 lds () { 263 lds () {
181 QUERY="$1" 264 QUERY="$1"
182 shift 265 shift
183 OPTS="" 266 OPTS=""
184 [[ "$1" =~ ^- ]] && { 267 [[ "$1" =~ ^- ]] && {
186 shift 269 shift
187 } 270 }
188 ldapsearch -Q -Y GSSAPI -LLL $OPTS "($QUERY)" $@ 271 ldapsearch -Q -Y GSSAPI -LLL $OPTS "($QUERY)" $@
189 } 272 }
190 273
274 #
191 # Other 275 # Other
192 alias slurp="wget -r -l1 -np -nd -A.mp3" 276 #
193 alias zulu="date -u +%Y%m%d%H%M%SZ"
194
195 # Other Functions
196
197 certcheck() {
198 if [ -z "$1" ] ; then
199 echo "Usage: certcheck <hostname>[:port]"
200 echo " Defaults to port 443 if not specified."
201 return
202 fi
203 H=$1
204 [[ $1 =~ :[0-9]+$ ]] || \
205 H=$1":443"
206 echo -n Q | openssl s_client -connect $H | openssl x509 -noout -dates
207 }
208
209 mc-backup() {
210 pushd ~/Dropbox/Saves/minecraft/saves;
211 if [ -d $1 ]; then
212 tar cvf - $1 | bzip2 > ../$1_`date +%Y%m%d%H%M%S`.tar.bz2;
213 fi;
214 popd
215 }
216
217 TOhtml() {
218 OUTDIR=${1:-`mktemp -d TOHTML.XXXXXX`}
219 ROOT=`hg root`
220
221 echo "<HTML><HEAD><TITLE>My dotfiles</TITLE></HEAD><BODY><UL>" > $OUTDIR/index.html
222
223 for F in `hg locate` ; do
224
225 # Files to ignore from the list
226 case $F in
227 .vim/*)
228 continue
229 ;;
230 *)
231 ;;
232 esac
233
234 D=`echo $F | grep "/" | sed 's/\/[^\/]*$//'`
235 if [ $D ] ; then
236 mkdir -p $OUTDIR/$D
237 fi
238
239 vim -n -e +TOhtml "+w ${OUTDIR}/${F}.html" +qa\! $ROOT/$F
240 echo "<LI><A href=${F}.html>$F</A></LI>" >> $OUTDIR/index.html
241 done
242 echo "</UL></BODY></HTML>" >> $OUTDIR/index.html
243 echo Files stored in $OUTDIR
244 }
245
246 hgs() { 277 hgs() {
278 # Creates a hg server in the current repo and connects to it automatically.
247 # We assume here that if the host is a Mac, we're going to open the 279 # We assume here that if the host is a Mac, we're going to open the
248 # connection automatically, otherwise we echo the URL to the terminal to be 280 # connection automatically, otherwise we echo the URL to the terminal to be
249 # opened 281 # opened
250 ROOT=`hg root` 282 ROOT=`hg root`
251 if [ "$1" == "end" -a -e $ROOT/.hg/hgserve-PID ] ; then 283 if [ "$1" == "end" -a -e $ROOT/.hg/hgserve-PID ] ; then
263 else 295 else
264 open http://$URL/ 296 open http://$URL/
265 fi 297 fi
266 fi 298 fi
267 } 299 }
268 300 mc-backup() {
269 # vim: set filetype=sh : 301 # Definitely time to rework this one - I don't even use Dropbox anymore!
302 # Keeping it here for now just for the syntax, but this is probably no
303 # longer worth keeping either.
304 pushd ~/Dropbox/Saves/minecraft/saves;
305 if [ -d $1 ]; then
306 tar cvf - $1 | bzip2 > ../$1_`date +%Y%m%d%H%M%S`.tar.bz2;
307 fi;
308 popd
309 }
310 alias slurp="wget -r -l1 -np -nd -A.mp3"
311 alias zulu="date -u +%Y%m%d%H%M%SZ"
312 TOhtml() {
313 # Since I moved to hosting the hg repo, this is less useful to share things.
314 # But still a nice bit of code and worth keeping I think. Needs a rework to
315 # match the new style of the dotfile repo as of 2024/03/30 (splitting out
316 # shared configs, etc)
317 OUTDIR=${1:-`mktemp -d TOHTML.XXXXXX`}
318 ROOT=`hg root`
319
320 echo "<HTML><HEAD><TITLE>My dotfiles</TITLE></HEAD><BODY><UL>" > $OUTDIR/index.html
321
322 for F in `hg locate` ; do
323
324 # Files to ignore from the list
325 case $F in
326 .vim/*)
327 continue
328 ;;
329 *)
330 ;;
331 esac
332
333 D=`echo $F | grep "/" | sed 's/\/[^\/]*$//'`
334 if [ $D ] ; then
335 mkdir -p $OUTDIR/$D
336 fi
337
338 vim -n -e +TOhtml "+w ${OUTDIR}/${F}.html" +qa\! $ROOT/$F
339 echo "<LI><A href=${F}.html>$F</A></LI>" >> $OUTDIR/index.html
340 done
341 echo "</UL></BODY></HTML>" >> $OUTDIR/index.html
342 echo Files stored in $OUTDIR
343 }
344
345 # vim: set filetype=bash :