]>
Commit | Line | Data |
---|---|---|
1 | # | |
2 | # setup-openssh.pl: | |
3 | # Adapts the installed gsi-ssh environment to the current machine, | |
4 | # performing actions that originally occurred during the package's | |
5 | # 'make install' phase. | |
6 | # | |
7 | # Large parts adapted from 'fixpath', a tool found in openssh-3.0.2p1. | |
8 | # | |
9 | # Send comments/fixes/suggestions to: | |
10 | # Chase Phillips <cphillip@ncsa.uiuc.edu> | |
11 | # | |
12 | ||
13 | $gpath = $ENV{GLOBUS_LOCATION}; | |
14 | if (!defined($gpath)) | |
15 | { | |
16 | die "GLOBUS_LOCATION needs to be set before running this script" | |
17 | } | |
18 | ||
19 | # | |
20 | # i'm including this because other perl scripts in the gpt setup directories | |
21 | # do so | |
22 | # | |
23 | ||
24 | @INC = (@INC, "$gpath/lib/perl"); | |
25 | ||
26 | require Grid::GPT::Setup; | |
27 | ||
28 | my $globusdir = $gpath; | |
29 | my $setupdir = "$globusdir/setup/globus"; | |
30 | my $myname = "setup-openssh.pl"; | |
31 | ||
32 | # | |
33 | # Set up path prefixes for use in the path translations | |
34 | # | |
35 | ||
36 | $prefix = ${globusdir}; | |
37 | $exec_prefix = "${prefix}"; | |
38 | $bindir = "${exec_prefix}/bin"; | |
39 | $sbindir = "${exec_prefix}/sbin"; | |
40 | $mandir = "${prefix}/man"; | |
41 | $mansubdir = "man"; | |
42 | $libexecdir = "${exec_prefix}/libexec"; | |
43 | $sysconfdir = "/etc/ssh"; | |
44 | $piddir = "/var/run"; | |
45 | $xauth_path = "/usr/bin/X11/xauth"; | |
46 | ||
47 | # | |
48 | # Backup-related variables | |
49 | # | |
50 | ||
51 | $curr_time = time(); | |
52 | $backupdir = "globus_backup_${curr_time}"; | |
53 | $confbackupdir = "$backupdir/s1_conf"; | |
54 | $transbackupdir = "$backupdir/s3_trans"; | |
55 | ||
56 | # | |
57 | # We need to make sure it's okay to copy our setup files (if some files are already | |
58 | # present). If we do copy any files, we backup the old files so the user can (possibly) | |
59 | # reverse any damage. | |
60 | # | |
61 | ||
62 | sub test_dirs | |
63 | { | |
64 | my $composite; | |
65 | ||
66 | print "\nPreparatory: checking for existence of critical directories\n"; | |
67 | ||
68 | # | |
69 | # Remember to put in check for /etc | |
70 | # | |
71 | ||
72 | # | |
73 | # Test for /etc/ssh | |
74 | # | |
75 | ||
76 | $composite = $sysconfdir; | |
77 | if ( ! -d "$composite" ) | |
78 | { | |
79 | print "Could not find directory: '${composite}'.. creating.\n"; | |
80 | mkdir($composite, 16877); | |
81 | # 16877 should be 755, or drwxr-xr-x | |
82 | } | |
83 | ||
84 | # | |
85 | # Test for /etc/ssh/globus_backup_<curr> | |
86 | # | |
87 | ||
88 | $composite = "$sysconfdir/$backupdir"; | |
89 | if ( ! -d "${composite}" ) | |
90 | { | |
91 | print "Could not find directory: '${composite}'.. creating.\n"; | |
92 | mkdir($composite, 16877); | |
93 | } | |
94 | ||
95 | # | |
96 | # Test for /etc/ssh/globus_backup_<curr>/s1_conf | |
97 | # | |
98 | ||
99 | $composite = "$sysconfdir/$confbackupdir"; | |
100 | if ( ! -d "${composite}" ) | |
101 | { | |
102 | print "Could not find directory: '${composite}'.. creating.\n"; | |
103 | mkdir($composite, 16877); | |
104 | } | |
105 | ||
106 | # | |
107 | # Test for /etc/ssh/globus_backup_<curr>/s2_trans | |
108 | # | |
109 | ||
110 | $composite = "$sysconfdir/$transbackupdir"; | |
111 | if ( ! -d "${composite}" ) | |
112 | { | |
113 | print "Could not find directory: '${composite}'.. creating.\n"; | |
114 | mkdir($composite, 16877); | |
115 | } | |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
120 | sub copy_setup_files | |
121 | { | |
122 | my $response; | |
123 | ||
124 | print "\nStage 1: Copying configuration files into '${sysconfdir}'..\n"; | |
125 | ||
126 | $response = "y"; | |
127 | if ( -e "${sysconfdir}/ssh_config" ) | |
128 | { | |
129 | $response = query_boolean("${sysconfdir}/ssh_config already exists. Overwrite?", "n"); | |
130 | if ($response eq "y") | |
131 | { | |
132 | action("cp ${sysconfdir}/ssh_config ${sysconfdir}/${confbackupdir}/ssh_config"); | |
133 | } | |
134 | } | |
135 | ||
136 | if ($response eq "y") | |
137 | { | |
138 | action("cp ${globusdir}/setup/globus/ssh_config ${sysconfdir}/ssh_config"); | |
139 | } | |
140 | ||
141 | # | |
142 | # Reset response for our new query | |
143 | # | |
144 | ||
145 | $response = "y"; | |
146 | if ( -e "${sysconfdir}/sshd_config" ) | |
147 | { | |
148 | $response = query_boolean("${sysconfdir}/sshd_config already exists. Overwrite?", "n"); | |
149 | if ($response eq "y") | |
150 | { | |
151 | action("cp ${sysconfdir}/sshd_config ${sysconfdir}/${confbackupdir}/sshd_config"); | |
152 | } | |
153 | } | |
154 | ||
155 | if ($response eq "y") | |
156 | { | |
157 | action("cp ${globusdir}/setup/globus/sshd_config ${sysconfdir}/sshd_config"); | |
158 | } | |
159 | ||
160 | # | |
161 | # Reset response for our new query | |
162 | # | |
163 | ||
164 | $response = "y"; | |
165 | if ( -e "${sysconfdir}/moduli" ) | |
166 | { | |
167 | $response = query_boolean("${sysconfdir}/moduli already exists. Overwrite?", "n"); | |
168 | if ($response eq "y") | |
169 | { | |
170 | action("cp ${sysconfdir}/moduli ${sysconfdir}/${confbackupdir}/moduli"); | |
171 | } | |
172 | } | |
173 | ||
174 | if ($response eq "y") | |
175 | { | |
176 | action("cp ${globusdir}/setup/globus/moduli ${sysconfdir}/moduli"); | |
177 | } | |
178 | } | |
179 | ||
180 | sub runkeygen | |
181 | { | |
182 | print "\nStage 2: Generating ssh host keys..\n"; | |
183 | ||
184 | if ( ! -d "${sysconfdir}" ) | |
185 | { | |
186 | print "Could not find ${sysconfdir} directory... creating\n"; | |
187 | mkdir($sysconfdir, 16877); | |
188 | # 16877 should be 755, or drwxr-xr-x | |
189 | } | |
190 | ||
191 | if ( -e "${sysconfdir}/ssh_host_key" ) | |
192 | { | |
193 | print "${sysconfdir}/ssh_host_key already exists, skipping.\n"; | |
194 | } | |
195 | else | |
196 | { | |
197 | # if $sysconfdir/ssh_host_key doesn't exist.. | |
198 | action("$bindir/ssh-keygen -t rsa1 -f $sysconfdir/ssh_host_key -N \"\""); | |
199 | } | |
200 | ||
201 | if ( -e "${sysconfdir}/ssh_host_dsa_key" ) | |
202 | { | |
203 | print "${sysconfdir}/ssh_host_dsa_key already exists, skipping.\n"; | |
204 | } | |
205 | else | |
206 | { | |
207 | # if $sysconfdir/ssh_host_dsa_key doesn't exist.. | |
208 | action("$bindir/ssh-keygen -t dsa -f $sysconfdir/ssh_host_dsa_key -N \"\""); | |
209 | } | |
210 | ||
211 | if ( -e "${sysconfdir}/ssh_host_rsa_key" ) | |
212 | { | |
213 | print "${sysconfdir}/ssh_host_rsa_key already exists, skipping.\n"; | |
214 | } | |
215 | else | |
216 | { | |
217 | # if $sysconfdir/ssh_host_rsa_key doesn't exist.. | |
218 | action("$bindir/ssh-keygen -t rsa -f $sysconfdir/ssh_host_rsa_key -N \"\""); | |
219 | } | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
224 | sub fixpaths | |
225 | { | |
226 | my $g, $h; | |
227 | ||
228 | # | |
229 | # Set up path translations for the installation files | |
230 | # | |
231 | ||
232 | %def = ( | |
233 | "/etc/ssh_config" => "${sysconfdir}/ssh_config", | |
234 | "/etc/ssh_known_hosts" => "${sysconfdir}/ssh_known_hosts", | |
235 | "/etc/sshd_config" => "${sysconfdir}/sshd_config", | |
236 | "/usr/libexec" => "${libexecdir}", | |
237 | "/etc/shosts.equiv" => "${sysconfdir}/shosts.equiv", | |
238 | "/etc/ssh_host_key" => "${sysconfdir}/ssh_host_key", | |
239 | "/etc/ssh_host_dsa_key" => "${sysconfdir}/ssh_host_dsa_key", | |
240 | "/etc/ssh_host_rsa_key" => "${sysconfdir}/ssh_host_rsa_key", | |
241 | "/var/run/sshd.pid" => "${piddir}/sshd.pid", | |
242 | "/etc/moduli" => "${sysconfdir}/moduli", | |
243 | "/etc/sshrc" => "${sysconfdir}/sshrc", | |
244 | "/usr/X11R6/bin/xauth" => "${xauth_path}", | |
245 | "/usr/bin:/bin:/usr/sbin:/sbin" => "/usr/bin:/bin:/usr/sbin:/sbin:${bindir}", | |
246 | "(/path/to/scp.real)" => "${bindir}/scp.real", | |
247 | "(/path/to/ssh)" => "${bindir}/ssh", | |
248 | "(/path/to/sftp.real)" => "${bindir}/sftp.real", | |
249 | "(/path/to/sshd.real)" => "${sbindir}/sshd.real", | |
250 | "(/path/to/ssh_config)" => "${sysconfdir}/ssh_config", | |
251 | "(/path/to/sshd_config)" => "${sysconfdir}/sshd_config", | |
252 | ); | |
253 | ||
254 | # | |
255 | # Files on which to perform path translations | |
256 | # | |
257 | ||
258 | %files = ( | |
259 | "${bindir}/scp" => 0, | |
260 | "${bindir}/sftp" => 0, | |
261 | "${sbindir}/sshd" => 0, | |
262 | "${sysconfdir}/ssh_config" => 1, | |
263 | "${sysconfdir}/sshd_config" => 1, | |
264 | "${sysconfdir}/moduli" => 1, | |
265 | "${mandir}/${mansubdir}1/scp.1" => 0, | |
266 | "${mandir}/${mansubdir}1/ssh-add.1" => 0, | |
267 | "${mandir}/${mansubdir}1/ssh-agent.1" => 0, | |
268 | "${mandir}/${mansubdir}1/ssh-keygen.1" => 0, | |
269 | "${mandir}/${mansubdir}1/ssh-keyscan.1" => 0, | |
270 | "${mandir}/${mansubdir}1/ssh.1" => 0, | |
271 | "${mandir}/${mansubdir}8/sshd.8" => 0, | |
272 | "${mandir}/${mansubdir}8/sftp-server.8" => 0, | |
273 | "${mandir}/${mansubdir}1/sftp.1" => 0, | |
274 | ); | |
275 | ||
276 | print "\nStage 3: Translating strings in config and man files...\n"; | |
277 | ||
278 | for my $f (keys %files) | |
279 | { | |
280 | $f =~ /(.*\/)*(.*)$/; | |
281 | ||
282 | # | |
283 | # we really should create a random filename and make sure that it | |
284 | # doesn't already exist (based off current time_t or something) | |
285 | # | |
286 | ||
287 | $g = "$f.tmp"; | |
288 | ||
289 | # | |
290 | # get the filename for $f and place it in $h. | |
291 | # | |
292 | ||
293 | $h = $f; | |
294 | $h =~ s#^.*/##; | |
295 | ||
296 | # | |
297 | # Grab the current mode/uid/gid for use later | |
298 | # | |
299 | ||
300 | $mode = (stat($f))[2]; | |
301 | $uid = (stat($f))[4]; | |
302 | $gid = (stat($f))[5]; | |
303 | ||
304 | # | |
305 | # Move $f into a .tmp file for the translation step | |
306 | # | |
307 | ||
308 | $result = system("mv $f $g 2>&1"); | |
309 | if ($result or $?) | |
310 | { | |
311 | die "ERROR: Unable to execute command: $!\n"; | |
312 | } | |
313 | ||
314 | # | |
315 | # Create a backup of this file if it's flagged | |
316 | # | |
317 | ||
318 | if ($files{$f} == 1) | |
319 | { | |
320 | $result = system("cp $g ${sysconfdir}/${transbackupdir}/$h 2>&1"); | |
321 | ||
322 | if ($result or $?) | |
323 | { | |
324 | die "ERROR: Unable to execute command: $!\n"; | |
325 | } | |
326 | } | |
327 | ||
328 | open(IN, "<$g") || die ("$0: input file $g missing!\n"); | |
329 | open(OUT, ">$f") || die ("$0: unable to open output file $f!\n"); | |
330 | ||
331 | while (<IN>) | |
332 | { | |
333 | for $s (keys(%def)) | |
334 | { | |
335 | s#$s#$def{$s}#; | |
336 | } # for $s | |
337 | print OUT "$_"; | |
338 | } # while <IN> | |
339 | ||
340 | close(OUT); | |
341 | close(IN); | |
342 | ||
343 | # | |
344 | # Remove the old .tmp file | |
345 | # | |
346 | ||
347 | $result = system("rm $g 2>&1"); | |
348 | ||
349 | if ($result or $?) | |
350 | { | |
351 | die "ERROR: Unable to execute command: $!\n"; | |
352 | } | |
353 | ||
354 | # | |
355 | # An attempt to revert the new file back to the original file's | |
356 | # mode/uid/gid | |
357 | # | |
358 | ||
359 | chmod($mode, $f); | |
360 | chown($uid, $gid, $f); | |
361 | } # for $f | |
362 | ||
363 | print "complete.\n"; | |
364 | ||
365 | return 0; | |
366 | } | |
367 | ||
368 | print "------------------------------------------------------\n"; | |
369 | print "$myname: Configuring package 'gsi_openssh'..\n"; | |
370 | print "\n"; | |
371 | print "--> NOTE: Run this as root for the intended effect. <--\n"; | |
372 | ||
373 | test_dirs(); | |
374 | copy_setup_files(); | |
375 | runkeygen(); | |
376 | fixpaths(); | |
377 | ||
378 | my $metadata = new Grid::GPT::Setup(package_name => "gsi_openssh_setup"); | |
379 | ||
380 | $metadata->finish(); | |
381 | ||
382 | print "\n"; | |
383 | print "$myname: Finished configuring package 'gsi_openssh'.\n"; | |
384 | print "------------------------------------------------------\n"; | |
385 | ||
386 | # | |
387 | # Just need a minimal action() subroutine for now.. | |
388 | # | |
389 | ||
390 | sub action | |
391 | { | |
392 | my ($command) = @_; | |
393 | ||
394 | printf "$command\n"; | |
395 | ||
396 | my $result = system("$command 2>&1"); | |
397 | ||
398 | if (($result or $?) and $command !~ m!patch!) | |
399 | { | |
400 | die "ERROR: Unable to execute command: $!\n"; | |
401 | } | |
402 | } | |
403 | ||
404 | sub query_boolean | |
405 | { | |
406 | my ($query_text, $default) = @_; | |
407 | my $nondefault, $foo, $bar; | |
408 | ||
409 | # | |
410 | # Set $nondefault to the boolean opposite of $default. | |
411 | # | |
412 | ||
413 | if ($default eq "n") | |
414 | { | |
415 | $nondefault = "y"; | |
416 | } | |
417 | else | |
418 | { | |
419 | $nondefault = "n"; | |
420 | } | |
421 | ||
422 | print "${query_text} "; | |
423 | print "[$default] "; | |
424 | ||
425 | $foo = <STDIN>; | |
426 | ($bar) = split //, $foo; | |
427 | ||
428 | if ($bar ne $nondefault) | |
429 | { | |
430 | $bar = $default; | |
431 | } | |
432 | ||
433 | return $bar; | |
434 | } | |
435 |