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Commit | Line | Data |
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5002372c | 1 | #!/usr/bin/perl |
20d3226a | 2 | # |
5002372c | 3 | # setup-openssh.pl |
4 | # | |
5 | # Adapts the installed gsi-ssh environment to the current machine, | |
6 | # performing actions that originally occurred during the package's | |
7 | # 'make install' phase. | |
701aa556 | 8 | # |
7e12c9a7 | 9 | # Parts adapted from 'fixpath', a tool found in openssh-3.0.2p1. |
1eab725d | 10 | # |
11 | # Send comments/fixes/suggestions to: | |
12 | # Chase Phillips <cphillip@ncsa.uiuc.edu> | |
701aa556 | 13 | # |
20d3226a | 14 | |
1b936a7a | 15 | printf("setup-openssh.pl: Configuring gsi-openssh package\n"); |
16 | ||
7e12c9a7 | 17 | # |
18 | # Get user's GPT_LOCATION since we may be installing this using a new(er) | |
19 | # version of GPT. | |
20 | # | |
21 | ||
22 | $gptpath = $ENV{GPT_LOCATION}; | |
23 | ||
24 | # | |
25 | # And the old standby.. | |
26 | # | |
27 | ||
4f276ad7 | 28 | $gpath = $ENV{GLOBUS_LOCATION}; |
ad71c979 | 29 | if (!defined($gpath)) |
30 | { | |
53a54c67 | 31 | die "GLOBUS_LOCATION needs to be set before running this script" |
ad71c979 | 32 | } |
33 | ||
34 | # | |
35 | # i'm including this because other perl scripts in the gpt setup directories | |
36 | # do so | |
37 | # | |
38 | ||
7e12c9a7 | 39 | if (defined($gptpath)) |
40 | { | |
41 | @INC = (@INC, "$gptpath/lib/perl", "$gpath/lib/perl"); | |
42 | } | |
43 | else | |
44 | { | |
45 | @INC = (@INC, "$gpath/lib/perl"); | |
46 | } | |
ad71c979 | 47 | |
4f276ad7 | 48 | require Grid::GPT::Setup; |
49 | ||
ad71c979 | 50 | my $globusdir = $gpath; |
51 | my $setupdir = "$globusdir/setup/globus"; | |
52 | my $myname = "setup-openssh.pl"; | |
53 | ||
20d3226a | 54 | # |
55 | # Set up path prefixes for use in the path translations | |
56 | # | |
57 | ||
d0a1bda7 | 58 | $prefix = ${globusdir}; |
59 | $exec_prefix = "${prefix}"; | |
60 | $bindir = "${exec_prefix}/bin"; | |
7c25a6d7 | 61 | $sbindir = "${exec_prefix}/sbin"; |
d0a1bda7 | 62 | $mandir = "${prefix}/man"; |
63 | $mansubdir = "man"; | |
64 | $libexecdir = "${exec_prefix}/libexec"; | |
1a1f62a4 | 65 | $sysconfdir = "/etc/ssh"; |
20d3226a | 66 | $piddir = "/var/run"; |
67 | $xauth_path = "/usr/bin/X11/xauth"; | |
68 | ||
e9ec5455 | 69 | # |
70 | # Backup-related variables | |
71 | # | |
72 | ||
73 | $curr_time = time(); | |
823981ba | 74 | $backupdir = "/etc/ssh/globus_backup_${curr_time}"; |
75 | ||
76 | # | |
77 | # Check that we are running as root | |
78 | # | |
79 | ||
80 | $uid = $>; | |
81 | ||
82 | if ($uid != 0) | |
83 | { | |
84 | print "--> NOTE: You must be root to run this script! <--\n"; | |
85 | exit 0; | |
86 | } | |
e9ec5455 | 87 | |
1a1f62a4 | 88 | # |
ac083f7a | 89 | # We need to make sure it's okay to copy our setup files (if some files are already |
90 | # present). If we do copy any files, we backup the old files so the user can (possibly) | |
91 | # reverse any damage. | |
1a1f62a4 | 92 | # |
93 | ||
e9ec5455 | 94 | sub test_dirs |
95 | { | |
823981ba | 96 | print "\nPreparatory: Checking for existence of critical directories..\n"; |
e9ec5455 | 97 | |
98 | # | |
99 | # Remember to put in check for /etc | |
100 | # | |
101 | ||
102 | # | |
103 | # Test for /etc/ssh | |
104 | # | |
105 | ||
823981ba | 106 | if ( ! -d "$sysconfdir" ) |
e9ec5455 | 107 | { |
823981ba | 108 | print "Could not find directory: '${sysconfdir}'.. creating.\n"; |
109 | mkdir($sysconfdir, 16877); | |
e9ec5455 | 110 | # 16877 should be 755, or drwxr-xr-x |
111 | } | |
112 | ||
113 | # | |
114 | # Test for /etc/ssh/globus_backup_<curr> | |
115 | # | |
116 | ||
823981ba | 117 | if ( ! -d "${backupdir}" ) |
e9ec5455 | 118 | { |
823981ba | 119 | print "Could not find directory: '${backupdir}'.. creating.\n"; |
120 | mkdir($backupdir, 16877); | |
e9ec5455 | 121 | } |
122 | ||
123 | return 0; | |
124 | } | |
125 | ||
823981ba | 126 | sub backup_files |
1a1f62a4 | 127 | { |
823981ba | 128 | print "\nStage 1: Backing up configuration files to '${backupdir}/'..\n"; |
1a1f62a4 | 129 | |
1a1f62a4 | 130 | if ( -e "${sysconfdir}/ssh_config" ) |
131 | { | |
823981ba | 132 | action("cp ${sysconfdir}/ssh_config ${backupdir}/ssh_config"); |
1a1f62a4 | 133 | } |
823981ba | 134 | else |
1a1f62a4 | 135 | { |
823981ba | 136 | print "${sysconfdir}/ssh_config does not exist.\n"; |
1a1f62a4 | 137 | } |
138 | ||
139 | if ( -e "${sysconfdir}/sshd_config" ) | |
140 | { | |
823981ba | 141 | action("cp ${sysconfdir}/sshd_config ${backupdir}/sshd_config"); |
1a1f62a4 | 142 | } |
823981ba | 143 | else |
1a1f62a4 | 144 | { |
823981ba | 145 | print "${sysconfdir}/sshd_config does not exist.\n"; |
1a1f62a4 | 146 | } |
ac083f7a | 147 | |
ac083f7a | 148 | if ( -e "${sysconfdir}/moduli" ) |
149 | { | |
823981ba | 150 | action("cp ${sysconfdir}/moduli ${backupdir}/moduli"); |
ac083f7a | 151 | } |
823981ba | 152 | else |
ac083f7a | 153 | { |
823981ba | 154 | print "${sysconfdir}/moduli does not exist.\n"; |
ac083f7a | 155 | } |
1a1f62a4 | 156 | } |
157 | ||
823981ba | 158 | sub copy_setup_files |
159 | { | |
160 | my $response; | |
161 | ||
162 | print "\nStage 2: Copying configuration files into '${sysconfdir}'..\n"; | |
163 | ||
164 | action("cp ${globusdir}/setup/globus/ssh_config ${sysconfdir}/ssh_config"); | |
165 | action("cp ${globusdir}/setup/globus/sshd_config ${sysconfdir}/sshd_config"); | |
166 | action("cp ${globusdir}/setup/globus/moduli ${sysconfdir}/moduli"); | |
167 | } | |
168 | ||
1a1f62a4 | 169 | sub runkeygen |
170 | { | |
823981ba | 171 | print "\nStage 3: Generating ssh host keys..\n"; |
e9ec5455 | 172 | |
1a1f62a4 | 173 | if ( ! -d "${sysconfdir}" ) |
174 | { | |
175 | print "Could not find ${sysconfdir} directory... creating\n"; | |
27b0f197 | 176 | mkdir($sysconfdir, 16877); |
177 | # 16877 should be 755, or drwxr-xr-x | |
1a1f62a4 | 178 | } |
179 | ||
1a1f62a4 | 180 | if ( -e "${sysconfdir}/ssh_host_key" ) |
181 | { | |
182 | print "${sysconfdir}/ssh_host_key already exists, skipping.\n"; | |
183 | } | |
184 | else | |
185 | { | |
186 | # if $sysconfdir/ssh_host_key doesn't exist.. | |
11b9a41c | 187 | action("$bindir/ssh-keygen -t rsa1 -f $sysconfdir/ssh_host_key -N \"\""); |
1a1f62a4 | 188 | } |
189 | ||
190 | if ( -e "${sysconfdir}/ssh_host_dsa_key" ) | |
191 | { | |
192 | print "${sysconfdir}/ssh_host_dsa_key already exists, skipping.\n"; | |
193 | } | |
194 | else | |
195 | { | |
196 | # if $sysconfdir/ssh_host_dsa_key doesn't exist.. | |
11b9a41c | 197 | action("$bindir/ssh-keygen -t dsa -f $sysconfdir/ssh_host_dsa_key -N \"\""); |
1a1f62a4 | 198 | } |
199 | ||
200 | if ( -e "${sysconfdir}/ssh_host_rsa_key" ) | |
201 | { | |
202 | print "${sysconfdir}/ssh_host_rsa_key already exists, skipping.\n"; | |
203 | } | |
204 | else | |
205 | { | |
206 | # if $sysconfdir/ssh_host_rsa_key doesn't exist.. | |
11b9a41c | 207 | action("$bindir/ssh-keygen -t rsa -f $sysconfdir/ssh_host_rsa_key -N \"\""); |
1a1f62a4 | 208 | } |
209 | ||
210 | return 0; | |
211 | } | |
212 | ||
20d3226a | 213 | sub fixpaths |
214 | { | |
7e12c9a7 | 215 | my $g, $h; |
823981ba | 216 | |
217 | print "\nStage 4: Translating strings in config and man files..\n"; | |
e9ec5455 | 218 | |
20d3226a | 219 | # |
220 | # Set up path translations for the installation files | |
221 | # | |
222 | ||
223 | %def = ( | |
224 | "/etc/ssh_config" => "${sysconfdir}/ssh_config", | |
225 | "/etc/ssh_known_hosts" => "${sysconfdir}/ssh_known_hosts", | |
226 | "/etc/sshd_config" => "${sysconfdir}/sshd_config", | |
227 | "/usr/libexec" => "${libexecdir}", | |
228 | "/etc/shosts.equiv" => "${sysconfdir}/shosts.equiv", | |
229 | "/etc/ssh_host_key" => "${sysconfdir}/ssh_host_key", | |
230 | "/etc/ssh_host_dsa_key" => "${sysconfdir}/ssh_host_dsa_key", | |
231 | "/etc/ssh_host_rsa_key" => "${sysconfdir}/ssh_host_rsa_key", | |
232 | "/var/run/sshd.pid" => "${piddir}/sshd.pid", | |
233 | "/etc/moduli" => "${sysconfdir}/moduli", | |
234 | "/etc/sshrc" => "${sysconfdir}/sshrc", | |
235 | "/usr/X11R6/bin/xauth" => "${xauth_path}", | |
236 | "/usr/bin:/bin:/usr/sbin:/sbin" => "/usr/bin:/bin:/usr/sbin:/sbin:${bindir}", | |
237 | ); | |
238 | ||
20d3226a | 239 | # |
240 | # Files on which to perform path translations | |
241 | # | |
242 | ||
bc2fc8e1 | 243 | @files = ( |
de6311a1 | 244 | "${sysconfdir}/ssh_config", |
245 | "${sysconfdir}/sshd_config", | |
246 | "${sysconfdir}/moduli", | |
247 | "${mandir}/${mansubdir}1/scp.1", | |
248 | "${mandir}/${mansubdir}1/ssh-add.1", | |
249 | "${mandir}/${mansubdir}1/ssh-agent.1", | |
250 | "${mandir}/${mansubdir}1/ssh-keygen.1", | |
251 | "${mandir}/${mansubdir}1/ssh-keyscan.1", | |
252 | "${mandir}/${mansubdir}1/ssh.1", | |
253 | "${mandir}/${mansubdir}8/sshd.8", | |
254 | "${mandir}/${mansubdir}8/sftp-server.8", | |
255 | "${mandir}/${mansubdir}1/sftp.1", | |
20d3226a | 256 | ); |
257 | ||
bc2fc8e1 | 258 | for my $f (@files) |
20d3226a | 259 | { |
260 | $f =~ /(.*\/)*(.*)$/; | |
7536fc6f | 261 | |
262 | # | |
263 | # we really should create a random filename and make sure that it | |
264 | # doesn't already exist (based off current time_t or something) | |
265 | # | |
266 | ||
d0a1bda7 | 267 | $g = "$f.tmp"; |
20d3226a | 268 | |
7e12c9a7 | 269 | # |
270 | # What is $f's filename? (taken from the qualified path) | |
271 | # | |
272 | ||
273 | $h = $f; | |
274 | $h =~ s#^.*/##; | |
275 | ||
7536fc6f | 276 | # |
277 | # Grab the current mode/uid/gid for use later | |
278 | # | |
279 | ||
280 | $mode = (stat($f))[2]; | |
281 | $uid = (stat($f))[4]; | |
282 | $gid = (stat($f))[5]; | |
283 | ||
7c96a399 | 284 | # |
285 | # Move $f into a .tmp file for the translation step | |
286 | # | |
20d3226a | 287 | |
7c96a399 | 288 | $result = system("mv $f $g 2>&1"); |
289 | if ($result or $?) | |
e9ec5455 | 290 | { |
7c96a399 | 291 | die "ERROR: Unable to execute command: $!\n"; |
292 | } | |
293 | ||
d0a1bda7 | 294 | open(IN, "<$g") || die ("$0: input file $g missing!\n"); |
295 | open(OUT, ">$f") || die ("$0: unable to open output file $f!\n"); | |
296 | ||
297 | while (<IN>) | |
298 | { | |
299 | for $s (keys(%def)) | |
20d3226a | 300 | { |
d0a1bda7 | 301 | s#$s#$def{$s}#; |
302 | } # for $s | |
303 | print OUT "$_"; | |
304 | } # while <IN> | |
20d3226a | 305 | |
d0a1bda7 | 306 | close(OUT); |
20d3226a | 307 | close(IN); |
d0a1bda7 | 308 | |
7c96a399 | 309 | # |
310 | # Remove the old .tmp file | |
311 | # | |
312 | ||
313 | $result = system("rm $g 2>&1"); | |
314 | ||
315 | if ($result or $?) | |
316 | { | |
317 | die "ERROR: Unable to execute command: $!\n"; | |
318 | } | |
7536fc6f | 319 | |
320 | # | |
321 | # An attempt to revert the new file back to the original file's | |
322 | # mode/uid/gid | |
323 | # | |
324 | ||
325 | chmod($mode, $f); | |
326 | chown($uid, $gid, $f); | |
7e12c9a7 | 327 | |
328 | print "$h\n"; | |
20d3226a | 329 | } # for $f |
330 | ||
331 | return 0; | |
332 | } | |
333 | ||
7d7b4cd9 | 334 | print "---------------------------------------------------------------\n"; |
823981ba | 335 | print "Hi, I'm the setup script for the gsi_openssh package! There\n"; |
336 | print "are some last minute details that I've got to set straight\n"; | |
337 | print "in the config and man files, along with generating the ssh keys\n"; | |
338 | print "for this machine (if it doesn't already have them).\n"; | |
339 | print "\n"; | |
99d7609c | 340 | print "I like to install my config-related files in:\n"; |
4a314dfa | 341 | print " ${sysconfdir}/\n"; |
7e12c9a7 | 342 | print "\n"; |
343 | print "These files may overwrite your previously existing configuration\n"; | |
344 | print "files. If you choose to continue, you will find a backup of\n"; | |
345 | print "those original files in:\n"; | |
823981ba | 346 | print " ${backupdir}/\n"; |
347 | print "\n"; | |
348 | print "Your host keys will remain untouched if they are already present.\n"; | |
349 | print "If they aren't present, this script will generate them for you.\n"; | |
350 | print "\n"; | |
351 | ||
352 | $response = query_boolean("Do you wish to continue with the setup package?","y"); | |
353 | ||
e9d69a89 | 354 | if ($response eq "n") |
823981ba | 355 | { |
356 | print "\n"; | |
357 | print "Okay.. exiting gsi_openssh setup.\n"; | |
358 | ||
359 | exit 0; | |
360 | } | |
e9ec5455 | 361 | |
362 | test_dirs(); | |
823981ba | 363 | backup_files(); |
11b9a41c | 364 | copy_setup_files(); |
1a1f62a4 | 365 | runkeygen(); |
11b9a41c | 366 | fixpaths(); |
ad71c979 | 367 | |
472ec086 | 368 | my $metadata = new Grid::GPT::Setup(package_name => "gsi_openssh_setup"); |
4f276ad7 | 369 | |
53a54c67 | 370 | $metadata->finish(); |
9ef2f439 | 371 | |
8570e631 | 372 | print "\n"; |
9ef2f439 | 373 | print "$myname: Finished configuring package 'gsi_openssh'.\n"; |
b0441584 | 374 | print "\n"; |
375 | print "I see that you have your GLOBUS_LOCATION environmental variable\n"; | |
376 | print "set to:\n"; | |
377 | print " $gpath\n"; | |
378 | print "\n"; | |
379 | print "Remember to keep this variable set (correctly) when you want\n"; | |
380 | print "to use the executables that came with this package.\n"; | |
5002372c | 381 | print "\n"; |
382 | print "Additionally, you may need to set LD_LIBRARY_PATH to point to\n"; | |
383 | print "the location in which your globus libraries reside. For example:\n"; | |
384 | print "\n"; | |
385 | print " export LD_LIBRARY_PATH=\"$gpath/lib\"\n"; | |
386 | print "\n"; | |
7d7b4cd9 | 387 | print "---------------------------------------------------------------\n"; |
ac083f7a | 388 | |
389 | # | |
390 | # Just need a minimal action() subroutine for now.. | |
391 | # | |
392 | ||
393 | sub action | |
394 | { | |
395 | my ($command) = @_; | |
396 | ||
397 | printf "$command\n"; | |
398 | ||
399 | my $result = system("$command 2>&1"); | |
400 | ||
401 | if (($result or $?) and $command !~ m!patch!) | |
402 | { | |
403 | die "ERROR: Unable to execute command: $!\n"; | |
404 | } | |
405 | } | |
406 | ||
407 | sub query_boolean | |
408 | { | |
409 | my ($query_text, $default) = @_; | |
410 | my $nondefault, $foo, $bar; | |
411 | ||
412 | # | |
413 | # Set $nondefault to the boolean opposite of $default. | |
414 | # | |
415 | ||
416 | if ($default eq "n") | |
417 | { | |
418 | $nondefault = "y"; | |
419 | } | |
420 | else | |
421 | { | |
422 | $nondefault = "n"; | |
423 | } | |
424 | ||
425 | print "${query_text} "; | |
426 | print "[$default] "; | |
427 | ||
e9ec5455 | 428 | $foo = <STDIN>; |
429 | ($bar) = split //, $foo; | |
430 | ||
e9d69a89 | 431 | if ( grep(/\s/, $bar) ) |
ac083f7a | 432 | { |
e9d69a89 | 433 | # this is debatable. all whitespace means 'default' |
434 | ||
435 | $bar = $default; | |
436 | } | |
437 | elsif ($bar ne $default) | |
438 | { | |
439 | # everything else means 'nondefault'. | |
440 | ||
441 | $bar = $nondefault; | |
442 | } | |
443 | else | |
444 | { | |
445 | # extraneous step. to get here, $bar should be eq to $default anyway. | |
446 | ||
e9ec5455 | 447 | $bar = $default; |
ac083f7a | 448 | } |
449 | ||
e9ec5455 | 450 | return $bar; |
ac083f7a | 451 | } |