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Commit | Line | Data |
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20d3226a | 1 | # |
1eab725d | 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. | |
701aa556 | 6 | # |
7e12c9a7 | 7 | # Parts adapted from 'fixpath', a tool found in openssh-3.0.2p1. |
1eab725d | 8 | # |
9 | # Send comments/fixes/suggestions to: | |
10 | # Chase Phillips <cphillip@ncsa.uiuc.edu> | |
701aa556 | 11 | # |
20d3226a | 12 | |
1b936a7a | 13 | printf("setup-openssh.pl: Configuring gsi-openssh package\n"); |
14 | ||
7e12c9a7 | 15 | # |
16 | # Get user's GPT_LOCATION since we may be installing this using a new(er) | |
17 | # version of GPT. | |
18 | # | |
19 | ||
20 | $gptpath = $ENV{GPT_LOCATION}; | |
21 | ||
22 | # | |
23 | # And the old standby.. | |
24 | # | |
25 | ||
4f276ad7 | 26 | $gpath = $ENV{GLOBUS_LOCATION}; |
ad71c979 | 27 | if (!defined($gpath)) |
28 | { | |
53a54c67 | 29 | die "GLOBUS_LOCATION needs to be set before running this script" |
ad71c979 | 30 | } |
31 | ||
32 | # | |
33 | # i'm including this because other perl scripts in the gpt setup directories | |
34 | # do so | |
35 | # | |
36 | ||
7e12c9a7 | 37 | if (defined($gptpath)) |
38 | { | |
39 | @INC = (@INC, "$gptpath/lib/perl", "$gpath/lib/perl"); | |
40 | } | |
41 | else | |
42 | { | |
43 | @INC = (@INC, "$gpath/lib/perl"); | |
44 | } | |
ad71c979 | 45 | |
4f276ad7 | 46 | require Grid::GPT::Setup; |
47 | ||
ad71c979 | 48 | my $globusdir = $gpath; |
49 | my $setupdir = "$globusdir/setup/globus"; | |
50 | my $myname = "setup-openssh.pl"; | |
51 | ||
20d3226a | 52 | # |
53 | # Set up path prefixes for use in the path translations | |
54 | # | |
55 | ||
d0a1bda7 | 56 | $prefix = ${globusdir}; |
57 | $exec_prefix = "${prefix}"; | |
58 | $bindir = "${exec_prefix}/bin"; | |
7c25a6d7 | 59 | $sbindir = "${exec_prefix}/sbin"; |
d0a1bda7 | 60 | $mandir = "${prefix}/man"; |
61 | $mansubdir = "man"; | |
62 | $libexecdir = "${exec_prefix}/libexec"; | |
1a1f62a4 | 63 | $sysconfdir = "/etc/ssh"; |
20d3226a | 64 | $piddir = "/var/run"; |
65 | $xauth_path = "/usr/bin/X11/xauth"; | |
66 | ||
e9ec5455 | 67 | # |
68 | # Backup-related variables | |
69 | # | |
70 | ||
71 | $curr_time = time(); | |
823981ba | 72 | $backupdir = "/etc/ssh/globus_backup_${curr_time}"; |
73 | ||
74 | # | |
75 | # Check that we are running as root | |
76 | # | |
77 | ||
78 | $uid = $>; | |
79 | ||
80 | if ($uid != 0) | |
81 | { | |
82 | print "--> NOTE: You must be root to run this script! <--\n"; | |
83 | exit 0; | |
84 | } | |
e9ec5455 | 85 | |
1a1f62a4 | 86 | # |
ac083f7a | 87 | # We need to make sure it's okay to copy our setup files (if some files are already |
88 | # present). If we do copy any files, we backup the old files so the user can (possibly) | |
89 | # reverse any damage. | |
1a1f62a4 | 90 | # |
91 | ||
e9ec5455 | 92 | sub test_dirs |
93 | { | |
823981ba | 94 | print "\nPreparatory: Checking for existence of critical directories..\n"; |
e9ec5455 | 95 | |
96 | # | |
97 | # Remember to put in check for /etc | |
98 | # | |
99 | ||
100 | # | |
101 | # Test for /etc/ssh | |
102 | # | |
103 | ||
823981ba | 104 | if ( ! -d "$sysconfdir" ) |
e9ec5455 | 105 | { |
823981ba | 106 | print "Could not find directory: '${sysconfdir}'.. creating.\n"; |
107 | mkdir($sysconfdir, 16877); | |
e9ec5455 | 108 | # 16877 should be 755, or drwxr-xr-x |
109 | } | |
110 | ||
111 | # | |
112 | # Test for /etc/ssh/globus_backup_<curr> | |
113 | # | |
114 | ||
823981ba | 115 | if ( ! -d "${backupdir}" ) |
e9ec5455 | 116 | { |
823981ba | 117 | print "Could not find directory: '${backupdir}'.. creating.\n"; |
118 | mkdir($backupdir, 16877); | |
e9ec5455 | 119 | } |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
823981ba | 124 | sub backup_files |
1a1f62a4 | 125 | { |
823981ba | 126 | print "\nStage 1: Backing up configuration files to '${backupdir}/'..\n"; |
1a1f62a4 | 127 | |
1a1f62a4 | 128 | if ( -e "${sysconfdir}/ssh_config" ) |
129 | { | |
823981ba | 130 | action("cp ${sysconfdir}/ssh_config ${backupdir}/ssh_config"); |
1a1f62a4 | 131 | } |
823981ba | 132 | else |
1a1f62a4 | 133 | { |
823981ba | 134 | print "${sysconfdir}/ssh_config does not exist.\n"; |
1a1f62a4 | 135 | } |
136 | ||
137 | if ( -e "${sysconfdir}/sshd_config" ) | |
138 | { | |
823981ba | 139 | action("cp ${sysconfdir}/sshd_config ${backupdir}/sshd_config"); |
1a1f62a4 | 140 | } |
823981ba | 141 | else |
1a1f62a4 | 142 | { |
823981ba | 143 | print "${sysconfdir}/sshd_config does not exist.\n"; |
1a1f62a4 | 144 | } |
ac083f7a | 145 | |
ac083f7a | 146 | if ( -e "${sysconfdir}/moduli" ) |
147 | { | |
823981ba | 148 | action("cp ${sysconfdir}/moduli ${backupdir}/moduli"); |
ac083f7a | 149 | } |
823981ba | 150 | else |
ac083f7a | 151 | { |
823981ba | 152 | print "${sysconfdir}/moduli does not exist.\n"; |
ac083f7a | 153 | } |
1a1f62a4 | 154 | } |
155 | ||
823981ba | 156 | sub copy_setup_files |
157 | { | |
158 | my $response; | |
159 | ||
160 | print "\nStage 2: Copying configuration files into '${sysconfdir}'..\n"; | |
161 | ||
162 | action("cp ${globusdir}/setup/globus/ssh_config ${sysconfdir}/ssh_config"); | |
163 | action("cp ${globusdir}/setup/globus/sshd_config ${sysconfdir}/sshd_config"); | |
164 | action("cp ${globusdir}/setup/globus/moduli ${sysconfdir}/moduli"); | |
165 | } | |
166 | ||
1a1f62a4 | 167 | sub runkeygen |
168 | { | |
823981ba | 169 | print "\nStage 3: Generating ssh host keys..\n"; |
e9ec5455 | 170 | |
1a1f62a4 | 171 | if ( ! -d "${sysconfdir}" ) |
172 | { | |
173 | print "Could not find ${sysconfdir} directory... creating\n"; | |
27b0f197 | 174 | mkdir($sysconfdir, 16877); |
175 | # 16877 should be 755, or drwxr-xr-x | |
1a1f62a4 | 176 | } |
177 | ||
1a1f62a4 | 178 | if ( -e "${sysconfdir}/ssh_host_key" ) |
179 | { | |
180 | print "${sysconfdir}/ssh_host_key already exists, skipping.\n"; | |
181 | } | |
182 | else | |
183 | { | |
184 | # if $sysconfdir/ssh_host_key doesn't exist.. | |
11b9a41c | 185 | action("$bindir/ssh-keygen -t rsa1 -f $sysconfdir/ssh_host_key -N \"\""); |
1a1f62a4 | 186 | } |
187 | ||
188 | if ( -e "${sysconfdir}/ssh_host_dsa_key" ) | |
189 | { | |
190 | print "${sysconfdir}/ssh_host_dsa_key already exists, skipping.\n"; | |
191 | } | |
192 | else | |
193 | { | |
194 | # if $sysconfdir/ssh_host_dsa_key doesn't exist.. | |
11b9a41c | 195 | action("$bindir/ssh-keygen -t dsa -f $sysconfdir/ssh_host_dsa_key -N \"\""); |
1a1f62a4 | 196 | } |
197 | ||
198 | if ( -e "${sysconfdir}/ssh_host_rsa_key" ) | |
199 | { | |
200 | print "${sysconfdir}/ssh_host_rsa_key already exists, skipping.\n"; | |
201 | } | |
202 | else | |
203 | { | |
204 | # if $sysconfdir/ssh_host_rsa_key doesn't exist.. | |
11b9a41c | 205 | action("$bindir/ssh-keygen -t rsa -f $sysconfdir/ssh_host_rsa_key -N \"\""); |
1a1f62a4 | 206 | } |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
20d3226a | 211 | sub fixpaths |
212 | { | |
7e12c9a7 | 213 | my $g, $h; |
823981ba | 214 | |
215 | print "\nStage 4: Translating strings in config and man files..\n"; | |
e9ec5455 | 216 | |
20d3226a | 217 | # |
218 | # Set up path translations for the installation files | |
219 | # | |
220 | ||
221 | %def = ( | |
222 | "/etc/ssh_config" => "${sysconfdir}/ssh_config", | |
223 | "/etc/ssh_known_hosts" => "${sysconfdir}/ssh_known_hosts", | |
224 | "/etc/sshd_config" => "${sysconfdir}/sshd_config", | |
225 | "/usr/libexec" => "${libexecdir}", | |
226 | "/etc/shosts.equiv" => "${sysconfdir}/shosts.equiv", | |
227 | "/etc/ssh_host_key" => "${sysconfdir}/ssh_host_key", | |
228 | "/etc/ssh_host_dsa_key" => "${sysconfdir}/ssh_host_dsa_key", | |
229 | "/etc/ssh_host_rsa_key" => "${sysconfdir}/ssh_host_rsa_key", | |
230 | "/var/run/sshd.pid" => "${piddir}/sshd.pid", | |
231 | "/etc/moduli" => "${sysconfdir}/moduli", | |
232 | "/etc/sshrc" => "${sysconfdir}/sshrc", | |
233 | "/usr/X11R6/bin/xauth" => "${xauth_path}", | |
234 | "/usr/bin:/bin:/usr/sbin:/sbin" => "/usr/bin:/bin:/usr/sbin:/sbin:${bindir}", | |
235 | ); | |
236 | ||
20d3226a | 237 | # |
238 | # Files on which to perform path translations | |
239 | # | |
240 | ||
bc2fc8e1 | 241 | @files = ( |
de6311a1 | 242 | "${sysconfdir}/ssh_config", |
243 | "${sysconfdir}/sshd_config", | |
244 | "${sysconfdir}/moduli", | |
245 | "${mandir}/${mansubdir}1/scp.1", | |
246 | "${mandir}/${mansubdir}1/ssh-add.1", | |
247 | "${mandir}/${mansubdir}1/ssh-agent.1", | |
248 | "${mandir}/${mansubdir}1/ssh-keygen.1", | |
249 | "${mandir}/${mansubdir}1/ssh-keyscan.1", | |
250 | "${mandir}/${mansubdir}1/ssh.1", | |
251 | "${mandir}/${mansubdir}8/sshd.8", | |
252 | "${mandir}/${mansubdir}8/sftp-server.8", | |
253 | "${mandir}/${mansubdir}1/sftp.1", | |
20d3226a | 254 | ); |
255 | ||
bc2fc8e1 | 256 | for my $f (@files) |
20d3226a | 257 | { |
258 | $f =~ /(.*\/)*(.*)$/; | |
7536fc6f | 259 | |
260 | # | |
261 | # we really should create a random filename and make sure that it | |
262 | # doesn't already exist (based off current time_t or something) | |
263 | # | |
264 | ||
d0a1bda7 | 265 | $g = "$f.tmp"; |
20d3226a | 266 | |
7e12c9a7 | 267 | # |
268 | # What is $f's filename? (taken from the qualified path) | |
269 | # | |
270 | ||
271 | $h = $f; | |
272 | $h =~ s#^.*/##; | |
273 | ||
7536fc6f | 274 | # |
275 | # Grab the current mode/uid/gid for use later | |
276 | # | |
277 | ||
278 | $mode = (stat($f))[2]; | |
279 | $uid = (stat($f))[4]; | |
280 | $gid = (stat($f))[5]; | |
281 | ||
7c96a399 | 282 | # |
283 | # Move $f into a .tmp file for the translation step | |
284 | # | |
20d3226a | 285 | |
7c96a399 | 286 | $result = system("mv $f $g 2>&1"); |
287 | if ($result or $?) | |
e9ec5455 | 288 | { |
7c96a399 | 289 | die "ERROR: Unable to execute command: $!\n"; |
290 | } | |
291 | ||
d0a1bda7 | 292 | open(IN, "<$g") || die ("$0: input file $g missing!\n"); |
293 | open(OUT, ">$f") || die ("$0: unable to open output file $f!\n"); | |
294 | ||
295 | while (<IN>) | |
296 | { | |
297 | for $s (keys(%def)) | |
20d3226a | 298 | { |
d0a1bda7 | 299 | s#$s#$def{$s}#; |
300 | } # for $s | |
301 | print OUT "$_"; | |
302 | } # while <IN> | |
20d3226a | 303 | |
d0a1bda7 | 304 | close(OUT); |
20d3226a | 305 | close(IN); |
d0a1bda7 | 306 | |
7c96a399 | 307 | # |
308 | # Remove the old .tmp file | |
309 | # | |
310 | ||
311 | $result = system("rm $g 2>&1"); | |
312 | ||
313 | if ($result or $?) | |
314 | { | |
315 | die "ERROR: Unable to execute command: $!\n"; | |
316 | } | |
7536fc6f | 317 | |
318 | # | |
319 | # An attempt to revert the new file back to the original file's | |
320 | # mode/uid/gid | |
321 | # | |
322 | ||
323 | chmod($mode, $f); | |
324 | chown($uid, $gid, $f); | |
7e12c9a7 | 325 | |
326 | print "$h\n"; | |
20d3226a | 327 | } # for $f |
328 | ||
329 | return 0; | |
330 | } | |
331 | ||
7d7b4cd9 | 332 | print "---------------------------------------------------------------\n"; |
823981ba | 333 | print "Hi, I'm the setup script for the gsi_openssh package! There\n"; |
334 | print "are some last minute details that I've got to set straight\n"; | |
335 | print "in the config and man files, along with generating the ssh keys\n"; | |
336 | print "for this machine (if it doesn't already have them).\n"; | |
337 | print "\n"; | |
99d7609c | 338 | print "I like to install my config-related files in:\n"; |
4a314dfa | 339 | print " ${sysconfdir}/\n"; |
7e12c9a7 | 340 | print "\n"; |
341 | print "These files may overwrite your previously existing configuration\n"; | |
342 | print "files. If you choose to continue, you will find a backup of\n"; | |
343 | print "those original files in:\n"; | |
823981ba | 344 | print " ${backupdir}/\n"; |
345 | print "\n"; | |
346 | print "Your host keys will remain untouched if they are already present.\n"; | |
347 | print "If they aren't present, this script will generate them for you.\n"; | |
348 | print "\n"; | |
349 | ||
350 | $response = query_boolean("Do you wish to continue with the setup package?","y"); | |
351 | ||
e9d69a89 | 352 | if ($response eq "n") |
823981ba | 353 | { |
354 | print "\n"; | |
355 | print "Okay.. exiting gsi_openssh setup.\n"; | |
356 | ||
357 | exit 0; | |
358 | } | |
e9ec5455 | 359 | |
360 | test_dirs(); | |
823981ba | 361 | backup_files(); |
11b9a41c | 362 | copy_setup_files(); |
1a1f62a4 | 363 | runkeygen(); |
11b9a41c | 364 | fixpaths(); |
ad71c979 | 365 | |
472ec086 | 366 | my $metadata = new Grid::GPT::Setup(package_name => "gsi_openssh_setup"); |
4f276ad7 | 367 | |
53a54c67 | 368 | $metadata->finish(); |
9ef2f439 | 369 | |
8570e631 | 370 | print "\n"; |
9ef2f439 | 371 | print "$myname: Finished configuring package 'gsi_openssh'.\n"; |
b0441584 | 372 | print "\n"; |
373 | print "I see that you have your GLOBUS_LOCATION environmental variable\n"; | |
374 | print "set to:\n"; | |
375 | print " $gpath\n"; | |
376 | print "\n"; | |
377 | print "Remember to keep this variable set (correctly) when you want\n"; | |
378 | print "to use the executables that came with this package.\n"; | |
7d7b4cd9 | 379 | print "---------------------------------------------------------------\n"; |
ac083f7a | 380 | |
381 | # | |
382 | # Just need a minimal action() subroutine for now.. | |
383 | # | |
384 | ||
385 | sub action | |
386 | { | |
387 | my ($command) = @_; | |
388 | ||
389 | printf "$command\n"; | |
390 | ||
391 | my $result = system("$command 2>&1"); | |
392 | ||
393 | if (($result or $?) and $command !~ m!patch!) | |
394 | { | |
395 | die "ERROR: Unable to execute command: $!\n"; | |
396 | } | |
397 | } | |
398 | ||
399 | sub query_boolean | |
400 | { | |
401 | my ($query_text, $default) = @_; | |
402 | my $nondefault, $foo, $bar; | |
403 | ||
404 | # | |
405 | # Set $nondefault to the boolean opposite of $default. | |
406 | # | |
407 | ||
408 | if ($default eq "n") | |
409 | { | |
410 | $nondefault = "y"; | |
411 | } | |
412 | else | |
413 | { | |
414 | $nondefault = "n"; | |
415 | } | |
416 | ||
417 | print "${query_text} "; | |
418 | print "[$default] "; | |
419 | ||
e9ec5455 | 420 | $foo = <STDIN>; |
421 | ($bar) = split //, $foo; | |
422 | ||
e9d69a89 | 423 | if ( grep(/\s/, $bar) ) |
ac083f7a | 424 | { |
e9d69a89 | 425 | # this is debatable. all whitespace means 'default' |
426 | ||
427 | $bar = $default; | |
428 | } | |
429 | elsif ($bar ne $default) | |
430 | { | |
431 | # everything else means 'nondefault'. | |
432 | ||
433 | $bar = $nondefault; | |
434 | } | |
435 | else | |
436 | { | |
437 | # extraneous step. to get here, $bar should be eq to $default anyway. | |
438 | ||
e9ec5455 | 439 | $bar = $default; |
ac083f7a | 440 | } |
441 | ||
e9ec5455 | 442 | return $bar; |
ac083f7a | 443 | } |