├── tests ├── Makefile.am └── selftest.sh ├── Makefile.am ├── autogen.sh ├── scripts ├── Makefile.am └── clr-network-troubleshooter.in ├── configure.ac ├── README.md ├── .gitignore └── COPYING /tests/Makefile.am: -------------------------------------------------------------------------------- 1 | EXTRA_DIST = selftest.sh 2 | -------------------------------------------------------------------------------- /tests/selftest.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | scripts/clr-network-troubleshooter --selftest --full 3 | -------------------------------------------------------------------------------- /Makefile.am: -------------------------------------------------------------------------------- 1 | AUTOMAKE_OPTIONS = foreign 2 | SUBDIRS = scripts tests 3 | TESTS = tests/selftest.sh 4 | -------------------------------------------------------------------------------- /autogen.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | set -e 4 | 5 | export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig 6 | 7 | autoreconf --force --install --symlink --warnings=all 8 | 9 | args="\ 10 | --sysconfdir=/etc \ 11 | --localstatedir=/var \ 12 | --prefix=/usr \ 13 | --enable-silent-rules" 14 | 15 | if test -z "${NOCONFIGURE}"; then 16 | set -x 17 | ./configure CFLAGS='-g -O0' $args "$@" 18 | make clean 19 | fi 20 | -------------------------------------------------------------------------------- /scripts/Makefile.am: -------------------------------------------------------------------------------- 1 | bin_SCRIPTS = clr-network-troubleshooter 2 | CLEANFILES = $(bin_SCRIPTS) 3 | EXTRA_DIST = clr-network-troubleshooter.in 4 | 5 | do_subst = sed -e 's,[@]datadir[@],$(datadir),g' \ 6 | -e 's,[@]PERL[@],$(PERL),g' \ 7 | -e 's,[@]PACKAGE[@],$(PACKAGE),g' \ 8 | -e 's,[@]VERSION[@],$(VERSION),g' 9 | 10 | clr-network-troubleshooter: clr-network-troubleshooter.in Makefile 11 | $(do_subst) < $(srcdir)/clr-network-troubleshooter.in > clr-network-troubleshooter 12 | chmod +x clr-network-troubleshooter 13 | -------------------------------------------------------------------------------- /configure.ac: -------------------------------------------------------------------------------- 1 | # -*- Autoconf -*- 2 | # Process this file with autoconf to produce a configure script. 3 | 4 | AC_PREREQ([2.69]) 5 | AC_INIT([clr-network-troubleshooter],[24]) 6 | AM_INIT_AUTOMAKE 7 | 8 | # Checks for programs. 9 | AC_PROG_INSTALL 10 | 11 | # Checks for libraries. 12 | 13 | # Checks for header files. 14 | 15 | # Checks for typedefs, structures, and compiler characteristics. 16 | 17 | # Checks for library functions. 18 | 19 | AC_CONFIG_FILES([Makefile]) 20 | AC_CONFIG_FILES([scripts/Makefile]) 21 | AC_CONFIG_FILES([tests/Makefile]) 22 | AC_OUTPUT 23 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ## DISCONTINUATION OF PROJECT. 2 | 3 | This project will no longer be maintained by Intel. 4 | 5 | Intel will not provide or guarantee development of or support for this project, including but not limited to, maintenance, bug fixes, new releases or updates. Patches to this project are no longer accepted by Intel. If you have an ongoing need to use this project, are interested in independently developing it, or would like to maintain patches for the community, please create your own fork of the project. 6 | 7 | Contact: webadmin@linux.intel.com 8 | # clr-network-troubleshooter 9 | 10 | This is a tool to perform basic networking tests on a Clear Linux system. It attempts to diagnose common issues and provide suggested actions to resolve them. 11 | 12 | Run `clr-network-troubleshooter`. 13 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # http://www.gnu.org/software/automake 2 | 3 | Makefile.in 4 | /ar-lib 5 | /mdate-sh 6 | /py-compile 7 | /test-driver 8 | /ylwrap 9 | .deps/ 10 | .dirstamp 11 | 12 | # http://www.gnu.org/software/autoconf 13 | 14 | autom4te.cache 15 | /autoscan.log 16 | /autoscan-*.log 17 | /aclocal.m4 18 | /compile 19 | /config.guess 20 | /config.h.in 21 | /config.log 22 | /config.status 23 | /config.sub 24 | /configure 25 | /configure.scan 26 | /depcomp 27 | /install-sh 28 | /missing 29 | /stamp-h1 30 | 31 | # https://www.gnu.org/software/libtool/ 32 | 33 | /ltmain.sh 34 | 35 | # http://www.gnu.org/software/texinfo 36 | 37 | /texinfo.tex 38 | 39 | # http://www.gnu.org/software/m4/ 40 | 41 | m4/libtool.m4 42 | m4/ltoptions.m4 43 | m4/ltsugar.m4 44 | m4/ltversion.m4 45 | m4/lt~obsolete.m4 46 | 47 | # Generated Makefile 48 | # (meta build system like autotools, 49 | # can automatically generate from config.status script 50 | # (which is called by configure script)) 51 | Makefile 52 | 53 | # Tarballs 54 | *.gz 55 | -------------------------------------------------------------------------------- /COPYING: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 2, June 1991 3 | 4 | Copyright (C) 1989, 1991 Free Software Foundation, Inc., 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | Preamble 10 | 11 | The licenses for most software are designed to take away your 12 | freedom to share and change it. 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It is safest 289 | to attach them to the start of each source file to most effectively 290 | convey the exclusion of warranty; and each file should have at least 291 | the "copyright" line and a pointer to where the full notice is found. 292 | 293 | 294 | Copyright (C) 295 | 296 | This program is free software; you can redistribute it and/or modify 297 | it under the terms of the GNU General Public License as published by 298 | the Free Software Foundation; either version 2 of the License, or 299 | (at your option) any later version. 300 | 301 | This program is distributed in the hope that it will be useful, 302 | but WITHOUT ANY WARRANTY; without even the implied warranty of 303 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 304 | GNU General Public License for more details. 305 | 306 | You should have received a copy of the GNU General Public License along 307 | with this program; if not, write to the Free Software Foundation, Inc., 308 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 309 | 310 | Also add information on how to contact you by electronic and paper mail. 311 | 312 | If the program is interactive, make it output a short notice like this 313 | when it starts in an interactive mode: 314 | 315 | Gnomovision version 69, Copyright (C) year name of author 316 | Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 317 | This is free software, and you are welcome to redistribute it 318 | under certain conditions; type `show c' for details. 319 | 320 | The hypothetical commands `show w' and `show c' should show the appropriate 321 | parts of the General Public License. Of course, the commands you use may 322 | be called something other than `show w' and `show c'; they could even be 323 | mouse-clicks or menu items--whatever suits your program. 324 | 325 | You should also get your employer (if you work as a programmer) or your 326 | school, if any, to sign a "copyright disclaimer" for the program, if 327 | necessary. Here is a sample; alter the names: 328 | 329 | Yoyodyne, Inc., hereby disclaims all copyright interest in the program 330 | `Gnomovision' (which makes passes at compilers) written by James Hacker. 331 | 332 | , 1 April 1989 333 | Ty Coon, President of Vice 334 | 335 | This General Public License does not permit incorporating your program into 336 | proprietary programs. If your program is a subroutine library, you may 337 | consider it more useful to permit linking proprietary applications with the 338 | library. If this is what you want to do, use the GNU Lesser General 339 | Public License instead of this License. 340 | -------------------------------------------------------------------------------- /scripts/clr-network-troubleshooter.in: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env perl 2 | 3 | # Copyright 2019-2022 Intel Corporation 4 | # Author: Brett T. Warden 5 | # 6 | # This program is free software; you can redistribute it and/or modify 7 | # it under the terms of the GNU General Public License as published by 8 | # the Free Software Foundation; either version 2 of the License, or 9 | # (at your option) any later version. 10 | # 11 | # This program is distributed in the hope that it will be useful, 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | # GNU General Public License for more details. 15 | # 16 | # You should have received a copy of the GNU General Public License along 17 | # with this program; if not, write to the Free Software Foundation, Inc., 18 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 19 | 20 | # Enable base Perl features 21 | use v5.38; 22 | 23 | use Getopt::Long; 24 | 25 | use feature 'unicode_strings'; 26 | binmode(STDOUT, ":encoding(UTF-8)"); 27 | binmode(STDERR, ":encoding(UTF-8)"); 28 | 29 | our $VERSION = '@VERSION@'; 30 | 31 | print chr(0xFEFF); 32 | 33 | my %actions; 34 | my %warnings; 35 | my %errors; 36 | my %failures; 37 | my $NETWORK_DATE; 38 | my $RELEASE_DATE; 39 | my $LOCAL_DATE; 40 | my $LATEST_RELEASE; 41 | my $ON_CLEAR_LINUX; 42 | 43 | # Options 44 | my $OPT_FULL = 0; # Whether to run all diagnostics even if basic tests 45 | # pass 46 | my $OPT_SELFTEST = 0; # Whether to return 0 even if network tests fail. Used 47 | # for testing presence of dependencies only. 48 | GetOptions( 49 | 'full!' => \$OPT_FULL, 50 | 'selftest|self-test!' => \$OPT_SELFTEST, 51 | ); 52 | 53 | # Emit basic info 54 | print "clr-network-troubleshooter v${VERSION}\n"; 55 | my $verfile = '/usr/share/clear/version'; 56 | eval { 57 | -f $verfile 58 | or die "Unable to find $verfile\n"; 59 | open(my $verfh, '<', $verfile) 60 | or die "Unable to open $verfile: $!\n"; 61 | while (my $line = <$verfh>) { 62 | chomp $line; 63 | if ($line =~ /^(\d+)$/) { 64 | print "Running on Clear Linux release $1\n"; 65 | print "---------------------------------\n"; 66 | last; 67 | } 68 | else { 69 | die "$verfile content does not look like a release number: $line\n" 70 | } 71 | } 72 | close($verfh) 73 | or die "Unable to close $verfile: $!"; 74 | 75 | $ON_CLEAR_LINUX=1; 76 | }; 77 | if ($@) { 78 | warn "This does not look like a Clear Linux installation!\n"; 79 | warn "$@"; 80 | warn "Continuing anyway\n"; 81 | } 82 | 83 | # Run the tests 84 | # Do them all, regardless of outcome (avoid short-circuiting). 85 | my $main_version_check = check_download_clearlinux_org(); 86 | my $mirror_version_check = check_mirror(); 87 | my $plain_http_check = check_plain_http_site(); 88 | 89 | if (! $OPT_FULL && $main_version_check && $mirror_version_check && $plain_http_check) { 90 | print "\n"; 91 | print "=====================\n"; 92 | print "Connectivity seems ok\n"; 93 | exit; 94 | } 95 | else { 96 | print "\n"; 97 | print "Troubleshooting\n"; 98 | print "---------------\n"; 99 | check_gateway(); 100 | check_dns(); 101 | check_proxies_reachable(); 102 | check_proxies_necessary(); 103 | check_for_captive_portal(); 104 | 105 | # If HTTPS fails, while HTTP succeeds, one likely failure scenario is 106 | # incorrect system time falsely causing certificate verification failure 107 | if ($OPT_FULL || ($failures{https} && !$failures{http})) { 108 | check_system_time(); 109 | } 110 | } 111 | 112 | # Report test results 113 | 114 | print "\n"; 115 | print "SUMMARY\n"; 116 | print "=======\n"; 117 | 118 | if (%errors) { 119 | print "Errors:\n"; 120 | print map { "\N{BULLET} $_\n" } sort keys %errors; 121 | print "\n"; 122 | } 123 | 124 | if (%warnings) { 125 | print "Warnings:\n"; 126 | print map { "\N{BULLET} $_\n" } sort keys %warnings; 127 | print "\n"; 128 | } 129 | 130 | if (%actions) { 131 | print "Suggested actions to take:\n"; 132 | print map { "\N{BULLET} $_\n" } sort keys %actions; 133 | print "\n"; 134 | } 135 | if (%errors) { 136 | print "\nNETWORK TEST FAILED\n"; 137 | if (! $OPT_SELFTEST) { 138 | exit 1; 139 | } 140 | } 141 | else 142 | { 143 | print "\nNETWORK TEST PASSED\n"; 144 | } 145 | 146 | exit; 147 | 148 | sub add_action { 149 | foreach my $message (@_) { 150 | $actions{$message}++; 151 | warn " \N{HEAVY WIDE-HEADED RIGHTWARDS ARROW} $message\n"; 152 | } 153 | } 154 | 155 | sub log_warning { 156 | foreach my $message (@_) { 157 | $warnings{$message}++; 158 | warn " \N{WARNING SIGN} $message\n"; 159 | } 160 | } 161 | 162 | sub log_error { 163 | foreach my $message (@_) { 164 | $errors{$message}++; 165 | warn " \N{BALLOT X} $message\n"; 166 | } 167 | } 168 | 169 | sub log_pass { 170 | foreach my $message (@_) { 171 | print " \N{CHECK MARK} $message\n"; 172 | } 173 | } 174 | 175 | sub run_cmd { 176 | my $command = shift or return; 177 | my $bin = (split(' ', $command))[0]; 178 | my $output = `$command`; 179 | my $rc = $?; 180 | 181 | if ($rc < 0) { 182 | die "Failed to execute $bin -- check installation\n"; 183 | } 184 | elsif ($rc & 127) { 185 | die "$bin received signal " . $rc & 127 186 | . ($rc & 128) ? ".\n" : " and dumped core.\n"; 187 | } 188 | else { 189 | return ($rc >> 8, $output); 190 | } 191 | } 192 | sub check_download_clearlinux_org { 193 | my $proxy; 194 | my $failed; 195 | my $baseurl = 'download.clearlinux.org/latest'; 196 | 197 | # Support an optional proxy 198 | if (@_) { 199 | $proxy = shift; 200 | } 201 | 202 | foreach my $proto (qw(https)) { 203 | my $url = join('://', lc $proto, $baseurl); 204 | 205 | # Using system 'curl' binary 206 | my $command = "timeout 15 curl --connect-timeout 10 -s -i -L ${url}"; 207 | if (defined $proxy) { 208 | $command .= " --proxy '${proxy}'"; 209 | } 210 | print "\nTesting $proto site: [${command}]\n"; 211 | my ($rc, $response) = run_cmd($command); 212 | if ($rc == 60 && $proto eq 'https') { 213 | log_error("FAILED: SSL certificate verification failed for $url"); 214 | warn "$response\n" if $response; 215 | $failed++; 216 | add_action("SSL: Verify that you have the correct certificate trust chain installed ('man clrtrust') for your configured mirror"); 217 | log_warning("SSL certificate verification failure could indicate a MITM attack"); 218 | } 219 | elsif ($rc == 124) { 220 | log_error("FAILED: curl command timed out for $url"); 221 | $failed++; 222 | } 223 | elsif ($rc) { 224 | log_error("FAILED: ".uc($proto)." request for $url returned $rc"); 225 | warn "$response\n" if $response; 226 | $failed++; 227 | $failures{$proto}++; 228 | } 229 | elsif ($response =~ /\r?\n\r?\n(\d+)$/s) { 230 | log_pass("Got release $1"); 231 | $LATEST_RELEASE = $1; 232 | 233 | # Grab the date from here to check 234 | if (!$NETWORK_DATE && (my ($http_date) = ($response =~ m/^date: (.*)/mi))) { 235 | set_network_date(`date -d "${http_date}" +%s`); 236 | } 237 | 238 | if (defined $proxy && $proxy eq '') { 239 | log_warning("Successfully retrieved $url with proxy bypassed"); 240 | add_action("proxy: Check your proxy/noproxy config for $url"); 241 | } 242 | } 243 | else { 244 | log_error("FAILED: expected a release number from $url; got something else"); 245 | warn "$response\n" if $response; 246 | $failed++; 247 | $failures{$proto}++; 248 | } 249 | } 250 | if (!$failed) { 251 | return 1; 252 | } 253 | else { 254 | return 0; 255 | } 256 | } 257 | 258 | sub check_plain_http_site { 259 | my $proxy; 260 | my $failed; 261 | my $baseurl = 'neverssl.com/'; 262 | 263 | # Support an optional proxy 264 | if (@_) { 265 | $proxy = shift; 266 | } 267 | 268 | foreach my $proto (qw(http)) { 269 | my $url = join('://', lc $proto, $baseurl); 270 | 271 | # Using system 'curl' binary 272 | my $command = "timeout 15 curl --connect-timeout 10 -s -i -L ${url}"; 273 | if (defined $proxy) { 274 | $command .= " --proxy '${proxy}'"; 275 | } 276 | print "\nTesting $proto site: [${command}]\n"; 277 | my ($rc, $response) = run_cmd($command); 278 | if ($rc == 124) { 279 | log_error("FAILED: curl command timed out for $url"); 280 | $failed++; 281 | } 282 | elsif ($rc) { 283 | log_error("FAILED: ".uc($proto)." request for $url returned $rc"); 284 | warn "$response\n" if $response; 285 | $failed++; 286 | $failures{$proto}++; 287 | } 288 | else { 289 | if (defined $proxy && $proxy eq '') { 290 | log_warning("Successfully retrieved $url with proxy bypassed"); 291 | add_action("proxy: Check your proxy/noproxy config for $url"); 292 | } 293 | } 294 | } 295 | if (!$failed) { 296 | log_pass("OK"); 297 | return 1; 298 | } 299 | else { 300 | return 0; 301 | } 302 | } 303 | 304 | sub check_mirror { 305 | my $proxy; 306 | my $failed; 307 | 308 | # Support an optional proxy 309 | if (@_) { 310 | $proxy = shift; 311 | } 312 | 313 | return 1 unless $ON_CLEAR_LINUX; 314 | 315 | # Check for a configured mirror 316 | my $swupd = `swupd mirror --nosigcheck --nosigcheck-latest`; 317 | my ($version_url) = ($swupd =~ m/Version URL\s*:\s*(\S+)/); 318 | my $test_url = $version_url; 319 | 320 | if ($test_url) { 321 | $test_url =~ s|/?$|/version/latest_version|; 322 | } 323 | 324 | if (! $test_url || $test_url =~ m|^https://(?:cdn\.)?download.clearlinux.org/latest|) { 325 | # Using the default location; skip this test 326 | return 1; 327 | } 328 | 329 | # Using system 'curl' binary 330 | my $command = "timeout 15 curl --connect-timeout 10 -s -i -L ${test_url}"; 331 | if (defined $proxy) { 332 | $command .= " --proxy '${proxy}'"; 333 | } 334 | print "\nTesting configured mirror [${command}]\n"; 335 | my ($rc, $response) = run_cmd($command); 336 | if ($rc == 60 && $test_url =~ m|^https://|) { 337 | log_error("FAILED: SSL certificate verification failed for $test_url"); 338 | warn "$response\n" if $response; 339 | $failed++; 340 | my ($hostname) = ($test_url =~ m|^https://([^/]+)|); 341 | add_action("SSL: Verify that you have the correct certificate trust chain installed ('man clrtrust') for your configured mirror"); 342 | add_action("swupd: Verify that you have the correct hostname ($hostname) set for your configured mirror"); 343 | log_warning("SSL certificate verification failure could indicate a MITM attack"); 344 | } 345 | elsif ($rc == 124) { 346 | log_error("FAILED: curl command timed out for $test_url"); 347 | $failed++; 348 | } 349 | elsif ($rc) { 350 | log_error("FAILED: request for $test_url returned $rc"); 351 | warn "$response\n" if $response; 352 | $failed++; 353 | add_action("swupd: Verify that $version_url is a valid mirror URL (see 'swupd mirror --help')"); 354 | } 355 | elsif ($response =~ /\r?\n\r?\n(\d+)$/s) { 356 | log_pass("Got release $1"); 357 | if (defined $proxy && $proxy eq '') { 358 | log_warning("Successfully retrieved $test_url with proxy bypassed"); 359 | add_action("proxy: Check your proxy/noproxy config for $test_url"); 360 | } 361 | if ($LATEST_RELEASE && $LATEST_RELEASE != $1) { 362 | log_warning("Latest official release is $LATEST_RELEASE, but configured mirror has $1"); 363 | } 364 | } 365 | else { 366 | log_error("FAILED: expected a release number from $test_url; got something else"); 367 | warn "$response\n" if $response; 368 | $failed++; 369 | } 370 | if (!$failed) { 371 | return 1; 372 | } 373 | else { 374 | return 0; 375 | } 376 | } 377 | 378 | sub check_gateway { 379 | my $hostname = '_gateway'; 380 | my $command = "ping -q -c 1 -w 5 $hostname"; 381 | print "\nAttempting to reach your default router [$command]\n"; 382 | my ($rc, $response) = run_cmd($command); 383 | if (!$rc) { 384 | log_pass("default router is reachable (as $hostname)"); 385 | } 386 | elsif ($rc == 2) { 387 | log_error("FAILED: NS lookup failed for $hostname"); 388 | add_action("networking: check physical network connectivity, IP address settings (static or DHCP), etc."); 389 | } 390 | elsif ($rc == 1) { 391 | log_warning("POSSIBLY FAILED: no response from $hostname to pings"); 392 | add_action("networking: This may be acceptable, but you should still check physical network connectivity"); 393 | } 394 | else { 395 | log_error("FAILED: gateway check failed for an unexpected reason"); 396 | warn "$response\n" if $response; 397 | } 398 | } 399 | 400 | sub check_dns { 401 | # dig clearlinux.org +timeout=0 402 | my $hostname = 'download.clearlinux.org'; 403 | my $command = "dig +timeout=0 $hostname"; 404 | print "\nAttempting to query your DNS server(s) [$command]\n"; 405 | my ($rc, $response) = run_cmd($command); 406 | if ($rc == 9) { 407 | log_error("FAILED: Configured DNS servers did not respond"); 408 | add_action("networking: Check whether you have the correct DNS servers configured"); 409 | add_action("networking: Check for network outages"); 410 | } 411 | elsif (!$rc) { 412 | # Right now we don't care about the result of the lookup, only whether 413 | # the configured DNS server responded to our query 414 | log_pass("DNS server(s) responded to query"); 415 | } 416 | else { 417 | log_error("FAILED: DNS query for $hostname failed (returned $rc)"); 418 | warn "$response\n" if $response; 419 | $failures{dns}++; 420 | add_action("networking: Check your DNS configuration"); 421 | } 422 | } 423 | 424 | sub check_for_captive_portal { 425 | my $failed; 426 | # curl -i http://clients1.google.com/generate_204 427 | # HTTP/1.1 204 No Content 428 | # Content-Length: 0 429 | # Date: Mon, 18 Mar 2019 21:49:08 GMT 430 | # Via: 1.1 jfdmzpr10 431 | # Connection: Keep-Alive 432 | # 433 | { 434 | my $url = 'http://clients1.google.com/generate_204'; 435 | my $command = "timeout 15 curl --connect-timeout 10 -s -i -L ${url}"; 436 | print "\nChecking for a captive portal [$command]\n"; 437 | my ($rc, $response) = run_cmd($command); 438 | if ($rc == 124) { 439 | log_error("FAILED: curl command for $url timed out"); 440 | $failed++; 441 | } 442 | elsif ($rc) { 443 | log_error("FAILED: request for $url returned ".($rc>>8)); 444 | $failed++; 445 | } 446 | else { 447 | if (my ($method, $status) = ($response =~ m|^(HTTP/[\d\.]+) (\d+)|)) { 448 | if ($status eq '204') { 449 | log_pass("No captive portal detected"); 450 | } 451 | elsif ($status =~ /^3\d\d$/) { 452 | add_action('hotspot: Launch a web browser and check for a captive portal (redirected)'); 453 | } 454 | elsif ($status =~ /^2\d\d/) { 455 | add_action('hotspot: Launch a web browser and check for a captive portal (page replaced)'); 456 | } 457 | else { 458 | log_error("FAILED: request for $url failed with HTTP status $status"); 459 | } 460 | } 461 | else { 462 | log_error("FAILED: got unknown response for $url"); 463 | warn "$response\n" if $response; 464 | } 465 | } 466 | } 467 | } 468 | 469 | sub check_proxies_reachable { 470 | # Check for wpad/autoproxy 471 | { 472 | my $url = 'http://wpad/wpad.dat'; 473 | my $command = "timeout 15 curl --connect-timeout 10 -s --proxy '' -I -L ${url}"; 474 | print "\nChecking for WPAD/autoproxy [$command]\n"; 475 | my ($rc, $response) = run_cmd($command); 476 | if ($rc == 124) { 477 | log_error("FAILED: curl command timed out for $url"); 478 | } 479 | elsif ($rc) { 480 | log_warning("No autoproxy found"); 481 | } 482 | elsif (my ($ct) = ($response =~ m/^Content-type:\s+(\S+)/im)) { 483 | if ($ct eq 'application/x-ns-proxy-autoconfig') { 484 | log_pass("Found a PAC file on server"); 485 | my $fail = 0; 486 | if (! -s "/run/pacrunner/wpad.dat") { 487 | log_warning("PAC file not loaded by system"); 488 | add_action("proxy: Restart pacdiscovery (sudo systemctl restart pacdiscovery)"); 489 | $fail++; 490 | } 491 | if (`systemctl is-active pacdiscovery` !~ /^active$/) { 492 | log_warning("not running: pacdiscovery"); 493 | if (`systemctl is-enabled pacdiscovery` =~ /^masked$/) { 494 | log_warning("masked: pacdiscovery"); 495 | add_action("proxy: Unmask and restart pacdiscovery:\n\t(sudo systemctl unmask pacdiscovery; sudo systemctl restart pacdiscovery)"); 496 | } 497 | else { 498 | add_action("proxy: Restart pacdiscovery (sudo systemctl restart pacdiscovery)"); 499 | } 500 | $fail++; 501 | } 502 | if (`systemctl is-active pacrunner` !~ /^active$/) { 503 | log_warning("not running: pacrunner"); 504 | if (`systemctl is-enabled pacrunner` =~ /^masked$/) { 505 | log_warning("masked: pacrunner"); 506 | add_action("proxy: Unmask and restart pacrunner\n\t(sudo systemctl unmask pacrunner; sudo systemctl restart pacrunner)"); 507 | } 508 | else { 509 | add_action("proxy: Restart pacrunner (sudo systemctl restart pacrunner)"); 510 | } 511 | $fail++; 512 | } 513 | if (! $fail) { 514 | log_pass("Autoproxy/WPAD/PAC seems to be configured correctly"); 515 | } 516 | } 517 | else { 518 | log_error("WPAD server returned something that doesn't look like a valid PAC (MIME type $ct)"); 519 | add_action("proxy: Check your WPAD/Autoproxy configuration with your network administrator"); 520 | } 521 | } 522 | else { 523 | log_error("WPAD server returned garbage. Probably not at all valid."); 524 | warn "$response\n" if $response; 525 | add_action("proxy: Check proxy configuration with your network administrator."); 526 | } 527 | } 528 | 529 | foreach my $proxy_var (qw(http_proxy https_proxy HTTPS_PROXY)) { 530 | if (my $proxy = $ENV{${proxy_var}}) { 531 | my $failed; 532 | my $command = "timeout 15 curl --connect-timeout 10 -s --proxy '' -L ${proxy}"; 533 | print "\nTesting $proxy_var=$proxy [$command]\n"; 534 | my ($rc, $response) = run_cmd($command); 535 | if ($rc == 124) { 536 | log_error("FAILED: curl command for $proxy timed out"); 537 | $failed++; 538 | } 539 | elsif ($rc) { 540 | log_error("FAILED: command for $proxy returned ".($rc>>8)); 541 | $failed++; 542 | 543 | # Check whether https was the problem 544 | if ($proxy =~ m/^https:/) { 545 | log_warning("HTTPS is rarely correct for a proxy server [$proxy_var=$proxy]; trying HTTP instead"); 546 | $proxy =~ s/^(http)s(:)/$1$2/; 547 | print "Trying $proxy_var=$proxy\n"; 548 | if(check_download_clearlinux_org($proxy)) { 549 | add_action("proxy: Set \$$proxy_var to $proxy (replace https)"); 550 | } 551 | else { 552 | add_action("proxy: Check your \$$proxy_var setting"); 553 | } 554 | } 555 | else { 556 | add_action("proxy: Check whether \$$proxy_var=$proxy is correct"); 557 | } 558 | } 559 | if (!$failed) { 560 | log_pass("proxies are reachable"); 561 | } 562 | } 563 | else { 564 | my ($proto) = split(/_/, $proxy_var); 565 | if ($failures{$proto}) { 566 | # No proxy server set for this protocol that failed our initial 567 | # test 568 | add_action("proxy: Set an appropriate \$$proxy_var"); 569 | } 570 | } 571 | } 572 | } 573 | 574 | sub check_proxies_necessary { 575 | # Check whether proxies are actually necessary to reach the test URLs 576 | 577 | ($OPT_FULL || !$main_version_check) && check_download_clearlinux_org(''); 578 | ($OPT_FULL || !$mirror_version_check) && check_mirror(''); 579 | ($OPT_FULL || !$plain_http_check) && check_plain_http_site(''); 580 | } 581 | 582 | sub set_network_date { 583 | my $date = shift; 584 | if ($date && $date =~ m/^\d+$/) { 585 | $NETWORK_DATE = $date; 586 | 587 | # Capture local time at the same time so we can establish the difference 588 | $LOCAL_DATE = time; 589 | } 590 | } 591 | 592 | sub get_release_date { 593 | my $status; 594 | open(my $vstamp, "<", "/usr/share/clear/versionstamp") 595 | or return; 596 | my $vdate = <$vstamp>; 597 | if ($vdate && $vdate =~ m/^(\d+)$/) { 598 | $RELEASE_DATE = $1; 599 | $status = 1; 600 | 601 | # Capture local time at the same time so we can establish the difference 602 | $LOCAL_DATE = time; 603 | } 604 | close($vstamp); 605 | return $status; 606 | } 607 | 608 | sub check_system_time { 609 | get_release_date(); 610 | 611 | if ($LOCAL_DATE) { 612 | print "\nChecking system time\n"; 613 | my $failed; 614 | my @details; 615 | if ($NETWORK_DATE) { 616 | my $offset = $LOCAL_DATE - $NETWORK_DATE; 617 | 618 | if (abs($offset) > 120) { 619 | $failed++; 620 | log_error("System time: ".(scalar gmtime($LOCAL_DATE))." UTC"); 621 | log_error("Network time: ".(scalar gmtime($NETWORK_DATE))." UTC"); 622 | push(@details, "Your system clock is ".abs($offset)." seconds ".($offset > 0 ? "ahead of" : "behind")." network time"); 623 | } 624 | else { 625 | log_pass("Your system clock is within 2 minutes of network time"); 626 | } 627 | } 628 | elsif ($RELEASE_DATE) { 629 | my $offset = $LOCAL_DATE - $RELEASE_DATE; 630 | 631 | if ($offset < 0) { 632 | $failed++; 633 | log_error("System time: ".(scalar gmtime($LOCAL_DATE))." UTC"); 634 | log_error("Release time: ".(scalar gmtime($RELEASE_DATE))." UTC"); 635 | push(@details, "Your system time is prior to the date when this version of Clear Linux was released."); 636 | } 637 | } 638 | else { 639 | log_error("Network and release date not yet determined"); 640 | } 641 | 642 | if ($failed) { 643 | log_error(@details); 644 | log_error("Invalid system time can break HTTPS certificate validation"); 645 | add_action("time: Set your system clock appropriately."); 646 | add_action("time: Consult `man systemd-timesyncd` for bare metal systems."); 647 | add_action("time: Check the appropriate local guest drivers for time synchronization on VM guests."); 648 | } 649 | } 650 | } 651 | --------------------------------------------------------------------------------