1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
|
# (C) 2010-2018 magicant
# Completion script for the "ssh" command.
# Completion function "completion/ssh" is used for the "scp" and "sftp" commands
# as well.
# Supports OpenSSH 7.7.
function completion/ssh {
typeset OPTIONS ARGOPT PREFIX
OPTIONS=( #>#
#"1; use the protocol version 1 only"
#"2; use the protocol version 2 only"
"4; use IPv4 addresses only"
"6; use IPv6 addresses only"
"C; enable data compression"
"c:; specify the encryption algorithm"
"F:; specify the configuration file"
"i:; specify the private key (identity) file"
"o:; specify an option in the configuration file format"
"v; print debugging messages"
) #<#
case ${WORDS[1]} in
(ssh)
OPTIONS=("$OPTIONS" #>#
"A; enable authentication agent forwarding"
"a; disable authentication agent forwarding"
"B:; specify the network interface to connect from"
"b:; specify the local IP address to connect from"
"D:; specify a port for local dynamic application-level port forwarding"
"E:; specify the log file"
"e:; specify the escape character"
"f; run in the background after authentication"
"G; print the configuration"
"g; allow remote hosts to connect to local forwarded ports"
"I:; specify the PKCS#11 shared library"
"J:; specify jump hosts"
"K; enable GSSAPI-based authentication and forwarding"
"k; disable GSSAPI-based authentication and forwarding"
"L:; specify a local port and a remote host/port to forward"
"l:; specify the user name to log in as"
"M; run in the master mode for connection sharing"
"m:; specify MACs (message authentication codes)"
"N; don't run any remote command"
"n; redirect the standard input of the remote command to /dev/null"
"O:; specify a command to control the master process"
"p:; specify the port to connect to"
"Q:; specify the feature to query"
"q; suppress warning and diagnostic messages"
"R:; specify a remote port and a local host/port to forward"
"S:; specify the control socket for connection sharing"
"s; run the command as the SSH2 subsystem"
"T; run the command without a pseudo-terminal"
"t; run the command in a pseudo-terminal"
"V; print version info"
"W:; specify a remote host/port to directly connect to"
"w:; specify the tunnel device to forward"
"X; enable X11 forwarding"
"x; disable X11 forwarding"
"Y; enable trusted X11 forwarding"
"y; use syslog for logging"
) #<#
;;
(scp)
OPTIONS=("$OPTIONS" #>#
"3; copy via local host between remote source and destination"
"B; batch mode: don't ask for passwords/phrases"
) #<#
;;
(sftp)
OPTIONS=("$OPTIONS" #>#
"a; continue on interruption"
"B:; specify the buffer size in bytes"
"b:; batch mode: specify the file to read commands from"
"D:; specify the path of local sftp server to connect to"
"R:; specify the max number of outstanding requests"
"s:; specify the SSH2 subsystem or the path for the remote sftp server"
) #<#
;;
(*)
return 1
;;
esac
case ${WORDS[1]} in (scp|sftp)
OPTIONS=("$OPTIONS" #>#
"l:; specify the max bandwidth in Kbps"
"P:; specify the port to connect to"
"p; preserve file attributes"
"q; suppress progress bar and warning and diagnostic messages"
"r; recursively copy directories"
"S:; specify the connection program used instead of ssh"
) #<#
esac
command -f completion//parseoptions
case $ARGOPT in
(-)
command -f completion//completeoptions
;;
([BDPp])
;;
(b)
case ${WORDS[1]} in
(sftp)
complete -P "$PREFIX" -f
;;
esac
;;
([Fi])
complete -P "$PREFIX" -f
;;
(c)
#TODO
;;
(e) #>>#
complete -P "$PREFIX" '~'
complete -P "$PREFIX" -D "none" none
;; #<<#
(I)
#TODO
;;
(J)
PREFIX=${TARGETWORD%"${${TARGETWORD#"$PREFIX"}##*,}"}
command -f completion/${WORDS[1]}::operand
;;
(L)
#TODO
;;
(l)
case ${WORDS[1]} in
(ssh)
complete -P "$PREFIX" -u
;;
esac
;;
(m)
#TODO
;;
(O) #>>#
complete -P "$PREFIX" -D "request the master process to stop port forwarding" cancel
complete -P "$PREFIX" -D "check that the master process is running" check
complete -P "$PREFIX" -D "request the master process to exit" exit
complete -P "$PREFIX" -D "request forwarding without command execution" forward
complete -P "$PREFIX" -D "request the master process to accept no more connections" stop
;; #<<#
(o)
#TODO
;;
(Q) #>>#
complete -P "$PREFIX" -D "supported symmetric ciphers" cipher
complete -P "$PREFIX" -D "supported symmetric ciphers that support authenticated encryption" cipher-auth
complete -P "$PREFIX" -D "key exchange algorithms" kex
complete -P "$PREFIX" -D "key types" key
complete -P "$PREFIX" -D "certificate key types" key-cert
complete -P "$PREFIX" -D "non-certificate key types" key-plain
complete -P "$PREFIX" -D "supported message integrity codes" mac
complete -P "$PREFIX" -D "supported SSH protocol versions" protocol-version
;; #<<#
(R)
#TODO
;;
(S)
case ${WORDS[1]} in
(ssh)
complete -P "$PREFIX" -f
;;
(scp|sftp)
WORDS=()
command -f completion//reexecute -e
;;
esac
;;
(W)
#TODO
;;
(w)
#TODO
;;
('')
command -f completion/${WORDS[1]}::operand
;;
esac
}
function completion/ssh::operand {
typeset config ssh sshopts cmd="${WORDS[1]}"
command -f completion/ssh::parseconfig
if [ ${WORDS[#]} -gt 0 ]; then
# complete the command
WORDS=("${WORDS[2,-1]}")
command -f completion//reexecute
else
command -f completion/ssh::completehostname
fi
}
function completion/scp::operand {
typeset config ssh sshopts cmd="${WORDS[1]}"
command -f completion/ssh::parseconfig
case $TARGETWORD in
(${cmd}://*/*)
typeset path="${TARGETWORD#"${cmd}"://*/}"
command -f completion/ssh::completeremotepath
;;
(${cmd}://*)
command -f completion/ssh::completehostname -T -S /
;;
(*:*)
case ${TARGETWORD%%:*} in
(*/*) # a host name cannot contain a slash
command -f completion/ssh::completelocalpath
;;
(*)
typeset path="${TARGETWORD#*:}"
command -f completion/ssh::completeremotepath
;;
esac
;;
(*)
command -f completion/ssh::completehostname -T -S :
command -f completion/ssh::completelocalpath
;;
esac
}
function completion/sftp::operand {
command -f completion/scp::operand
}
function completion/ssh::parseconfig {
typeset i=2
config=${HOME:+"$HOME/.ssh/config"}
ssh=ssh sshopts=()
while [ $i -le ${WORDS[#]} ]; do
case ${WORDS[i]} in
(-F*)
sshopts=("$sshopts" "${WORDS[i]}")
config=${WORDS[i]#-F} ;;
(-[1246BCiJo]*)
sshopts=("$sshopts" "${WORDS[i]}") ;;
(-P*)
sshopts=("$sshopts" -p"${WORDS[i]#-P}") ;;
(-S*)
case ${WORDS[1]} in (scp|sftp)
ssh=${WORDS[1]#-S}
esac
;;
(--)
i=$((i+1)); break ;;
(-*)
;;
(*)
break ;;
esac
i=$((i+1))
done
WORDS=("${WORDS[i,-1]}")
}
function completion/ssh::completehostname {
case ${TARGETWORD#"$PREFIX"} in (${cmd}://*)
PREFIX=${PREFIX}${cmd}://
esac
case ${TARGETWORD#"$PREFIX"} in (*@*)
PREFIX=${TARGETWORD%"${${TARGETWORD#"$PREFIX"}#*@}"}
esac
typeset key values file words host
while read -Ar key values; do
case $key in ([Hh][Oo][Ss][Tt])
complete -P "$PREFIX" -R '*[*?]*' -R '!*' "$@" -- \
"$values"
esac
done <(sed -e 's/#.*//' -e 's/[Hh][Oo][Ss][Tt][[:blank:]]*=/host /' "$config" 2>/dev/null)
# currently, we always read known-hosts files from the default location
for file in /etc/ssh/ssh_known_hosts ~/.ssh/known_hosts; do
if ! [ -r "$file" ]; then
continue
fi
while read -Ar words; do
case ${words[1]} in
(\#*)
continue
;;
(@*)
words=("${words[2,-1]}")
;;
esac
for host in ${words[1]//,/ }; do
case $host in
([\|!]*|*[*?]*) ;;
(\[*]:*)
complete -P "$PREFIX" "$@" -- "${{host#\[}%]:*}"
;;
(*)
complete -P "$PREFIX" "$@" -- "$host"
;;
esac
done
hosts=(${words[1]//,/ })
case $key in
(\|*) ;;
(*)
complete -P "$PREFIX" "$@" -- ${key//,/ }
esac
done <"$file"
done
}
function completion/ssh::completeremotepath
case $cmd in (scp|sftp|rsync)
PREFIX=${TARGETWORD%"$path"}
typeset host="${${PREFIX%[/:]}/#${cmd}:\/\//ssh:\/\/}"
typeset name="${path##*/}"
typeset dir="${path%"$name"}"
typeset filter f flags
if [ -o dotglob ]; then
filter=()
else
case $name in
(.*) filter=(-A '.*') ;;
(*) filter=(-R '.*') ;;
esac
fi
while read -r f; do
case $f in
(*/) flags='-T' ;;
(*) flags= ;;
esac
complete -P "$PREFIX$dir" "$filter" $flags -- "$f"
done <("$ssh" "$sshopts" -o BatchMode=yes -- "$host" "ls -ap -- '${${dir:-.}//\'/\'\\\'\'}'" <>/dev/null 2>&0)
esac
function completion/ssh::completelocalpath
case $cmd in (scp|rsync)
typeset slash=false
case $TARGETWORD in (*/*)
slash=
esac
complete ${slash:+-R '*:*'} -f
esac
# vim: set ft=sh ts=8 sts=8 sw=8 et:
|
