1 #!/system/bin/sh 2 3 # Copyright (C) 2010 The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 17 set -e 18 19 # Default product ID in crash report (used if GOOGLE_CRASH_* is undefined). 20 BRILLO_PRODUCT=Brillo 21 22 # Base directory that contains any crash reporter state files. 23 CRASH_STATE_DIR="/data/misc/crash_reporter" 24 25 # File containing crash_reporter's anonymized guid. 26 GUID_FILE="${CRASH_STATE_DIR}/guid" 27 28 # Crash sender lock in case the sender is already running. 29 CRASH_SENDER_LOCK="${CRASH_STATE_DIR}/lock/crash_sender" 30 31 # Path to file that indicates a crash test is currently running. 32 CRASH_TEST_IN_PROGRESS_FILE="${CRASH_STATE_DIR}/tmp/crash-test-in-progress" 33 34 # Set this to 1 in the environment to allow uploading crash reports 35 # for unofficial versions. 36 FORCE_OFFICIAL=${FORCE_OFFICIAL:-0} 37 38 # Path to hardware class description. 39 HWCLASS_PATH="/sys/devices/platform/chromeos_acpi/HWID" 40 41 # Path to file that indicates this is a developer image. 42 LEAVE_CORE_FILE="${CRASH_STATE_DIR}/.leave_core" 43 44 # Path to list_proxies. 45 LIST_PROXIES="list_proxies" 46 47 # Maximum crashes to send per day. 48 MAX_CRASH_RATE=${MAX_CRASH_RATE:-32} 49 50 # File whose existence mocks crash sending. If empty we pretend the 51 # crash sending was successful, otherwise unsuccessful. 52 MOCK_CRASH_SENDING="${CRASH_STATE_DIR}/tmp/mock-crash-sending" 53 54 # Set this to 1 in the environment to pretend to have booted in developer 55 # mode. This is used by autotests. 56 MOCK_DEVELOPER_MODE=${MOCK_DEVELOPER_MODE:-0} 57 58 # Ignore PAUSE_CRASH_SENDING file if set. 59 OVERRIDE_PAUSE_SENDING=${OVERRIDE_PAUSE_SENDING:-0} 60 61 # File whose existence causes crash sending to be delayed (for testing). 62 # Must be stateful to enable testing kernel crashes. 63 PAUSE_CRASH_SENDING="${CRASH_STATE_DIR}/lock/crash_sender_paused" 64 65 # Path to a directory of restricted certificates which includes 66 # a certificate for the crash server. 67 RESTRICTED_CERTIFICATES_PATH="/system/etc/security/cacerts" 68 RESTRICTED_CERTIFICATES_PATH_GOOGLE="/system/etc/security/cacerts_google" 69 70 # File whose existence implies we're running and not to start again. 71 RUN_FILE="${CRASH_STATE_DIR}/run/crash_sender.pid" 72 73 # Maximum time to sleep between sends. 74 SECONDS_SEND_SPREAD=${SECONDS_SEND_SPREAD:-600} 75 76 # Set this to 1 to allow uploading of device coredumps. 77 DEVCOREDUMP_UPLOAD_FLAG_FILE="${CRASH_STATE_DIR}/device_coredump_upload_allowed" 78 79 # The weave configuration file. 80 WEAVE_CONF_FILE="/etc/weaved/weaved.conf" 81 82 # The os-release.d folder. 83 OSRELEASED_FOLDER="/etc/os-release.d" 84 85 # The syslog tag for all logging we emit. 86 TAG="$(basename $0)[$$]" 87 88 # Directory to store timestamp files indicating the uploads in the past 24 89 # hours. 90 TIMESTAMPS_DIR="${CRASH_STATE_DIR}/crash_sender" 91 92 # Temp directory for this process. 93 TMP_DIR="" 94 95 # Crash report log file. 96 CRASH_LOG="${CRASH_STATE_DIR}/log/uploads.log" 97 98 lecho() { 99 log -t "${TAG}" "$@" 100 } 101 102 lwarn() { 103 lecho -psyslog.warn "$@" 104 } 105 106 # Returns true if mock is enabled. 107 is_mock() { 108 [ -f "${MOCK_CRASH_SENDING}" ] && return 0 109 return 1 110 } 111 112 is_mock_successful() { 113 local mock_in=$(cat "${MOCK_CRASH_SENDING}") 114 [ "${mock_in}" = "" ] && return 0 # empty file means success 115 return 1 116 } 117 118 cleanup() { 119 if [ -n "${TMP_DIR}" ]; then 120 rm -rf "${TMP_DIR}" 121 fi 122 rm -f "${RUN_FILE}" 123 if [ -n "${CRASH_SENDER_LOCK}" ]; then 124 rm -rf "${CRASH_SENDER_LOCK}" 125 fi 126 crash_done 127 } 128 129 crash_done() { 130 if is_mock; then 131 # For testing purposes, emit a message to log so that we 132 # know when the test has received all the messages from this run. 133 lecho "crash_sender done." 134 fi 135 } 136 137 is_official_image() { 138 [ ${FORCE_OFFICIAL} -ne 0 ] && return 0 139 if [ "$(getprop ro.secure)" = "1" ]; then 140 return 0 141 else 142 return 1 143 fi 144 } 145 146 # Returns 0 if the a crash test is currently running. NOTE: Mirrors 147 # crash_collector.cc:CrashCollector::IsCrashTestInProgress(). 148 is_crash_test_in_progress() { 149 [ -f "${CRASH_TEST_IN_PROGRESS_FILE}" ] && return 0 150 return 1 151 } 152 153 # Returns 0 if we should consider ourselves to be running on a developer 154 # image. NOTE: Mirrors crash_collector.cc:CrashCollector::IsDeveloperImage(). 155 is_developer_image() { 156 # If we're testing crash reporter itself, we don't want to special-case 157 # for developer images. 158 is_crash_test_in_progress && return 1 159 [ -f "${LEAVE_CORE_FILE}" ] && return 0 160 return 1 161 } 162 163 # Returns 0 if we should consider ourselves to be running on a test image. 164 is_test_image() { 165 # If we're testing crash reporter itself, we don't want to special-case 166 # for test images. 167 is_crash_test_in_progress && return 1 168 case $(get_channel) in 169 test*) return 0;; 170 esac 171 return 1 172 } 173 174 # Returns 0 if the machine booted up in developer mode. 175 is_developer_mode() { 176 [ ${MOCK_DEVELOPER_MODE} -ne 0 ] && return 0 177 # If we're testing crash reporter itself, we don't want to special-case 178 # for developer mode. 179 is_crash_test_in_progress && return 1 180 if [ "$(getprop ro.debuggable)" = "1" ]; then 181 return 0 182 else 183 return 1 184 fi 185 } 186 187 # Returns the path of the certificates directory to be used when sending 188 # reports to the crash server. 189 # If crash_reporter.full_certs=1, return the full certificates path. 190 # Otherwise return the Google-specific certificates path. 191 get_certificates_path() { 192 if [ "$(getprop crash_reporter.full_certs)" = "1" ]; then 193 echo "${RESTRICTED_CERTIFICATES_PATH}" 194 else 195 echo "${RESTRICTED_CERTIFICATES_PATH_GOOGLE}" 196 fi 197 } 198 199 # Return 0 if the uploading of device coredumps is allowed. 200 is_device_coredump_upload_allowed() { 201 [ -f "${DEVCOREDUMP_UPLOAD_FLAG_FILE}" ] && return 0 202 return 1 203 } 204 205 # Generate a uniform random number in 0..max-1. 206 # POSIX arithmetic expansion requires support of at least signed long integers. 207 # On 32-bit systems, that may mean 32-bit signed integers, in which case the 208 # 32-bit random number read from /dev/urandom may be interpreted as negative 209 # when used inside an arithmetic expansion (since the high bit might be set). 210 # mksh at least is known to behave this way. 211 # For this case, simply take the absolute value, which will still give a 212 # roughly uniform random distribution for the modulo (as we are merely ignoring 213 # the high/sign bit). 214 # See corresponding Arithmetic Expansion and Arithmetic Expression sections: 215 # POSIX: http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_06_04 216 # mksh: http://linux.die.net/man/1/mksh 217 generate_uniform_random() { 218 local max=$1 219 local random="$(od -An -N4 -tu /dev/urandom)" 220 echo $(((random < 0 ? -random : random) % max)) 221 } 222 223 # Check if sending a crash now does not exceed the maximum 24hr rate and 224 # commit to doing so, if not. 225 check_rate() { 226 mkdir -p ${TIMESTAMPS_DIR} 227 # Only consider minidumps written in the past 24 hours by removing all older. 228 find "${TIMESTAMPS_DIR}" -mindepth 1 -mtime +1 \ 229 -exec rm -- '{}' ';' 230 local sends_in_24hrs=$(echo "${TIMESTAMPS_DIR}"/* | wc -w) 231 lecho "Current send rate: ${sends_in_24hrs}sends/24hrs" 232 if [ ${sends_in_24hrs} -ge ${MAX_CRASH_RATE} ]; then 233 lecho "Cannot send more crashes:" 234 lecho " current ${sends_in_24hrs}send/24hrs >= " \ 235 "max ${MAX_CRASH_RATE}send/24hrs" 236 return 1 237 fi 238 mktemp "${TIMESTAMPS_DIR}"/XXXXXX > /dev/null 239 return 0 240 } 241 242 # Gets the base part of a crash report file, such as name.01234.5678.9012 from 243 # name.01234.5678.9012.meta or name.01234.5678.9012.log.tar.xz. We make sure 244 # "name" is sanitized in CrashCollector::Sanitize to not include any periods. 245 get_base() { 246 echo "$1" | cut -d. -f-4 247 } 248 249 get_extension() { 250 local extension="${1##*.}" 251 local filename="${1%.*}" 252 # For gzipped file, we ignore .gz and get the real extension 253 if [ "${extension}" = "gz" ]; then 254 echo "${filename##*.}" 255 else 256 echo "${extension}" 257 fi 258 } 259 260 # Return which kind of report the given metadata file relates to 261 get_kind() { 262 local payload="$(get_key_value "$1" "payload")" 263 if [ ! -r "${payload}" ]; then 264 lecho "Missing payload: ${payload}" 265 echo "undefined" 266 return 267 fi 268 local kind="$(get_extension "${payload}")" 269 if [ "${kind}" = "dmp" ]; then 270 echo "minidump" 271 return 272 fi 273 echo "${kind}" 274 } 275 276 get_key_value() { 277 local file="$1" key="$2" value 278 279 if [ -f "${file}/${key}" ]; then 280 # Get the value from a folder where each key is its own file. The key 281 # file's entire contents is the value. 282 value=$(cat "${file}/${key}") 283 elif [ -f "${file}" ]; then 284 # Get the value from a file that has multiple key=value combinations. 285 # Return the first entry. There shouldn't be more than one anyways. 286 # Substr at length($1) + 2 skips past the key and following = sign (awk 287 # uses 1-based indexes), but preserves embedded = characters. 288 value=$(sed -n "/^${key}[[:space:]]*=/{s:^[^=]*=::p;q}" "${file}") 289 fi 290 291 echo "${value:-undefined}" 292 } 293 294 get_keys() { 295 local file="$1" regex="$2" 296 297 cut -d '=' -f1 "${file}" | grep --color=never "${regex}" 298 } 299 300 # Return the channel name (sans "-channel" suffix). 301 get_channel() { 302 getprop ro.product.channel | sed 's:-channel$::' 303 } 304 305 # Return the hardware class or "undefined". 306 get_hardware_class() { 307 if [ -r "${HWCLASS_PATH}" ]; then 308 cat "${HWCLASS_PATH}" 309 else 310 echo "undefined" 311 fi 312 } 313 314 # Return the log string filtered with only JSON-safe white-listed characters. 315 filter_log_string() { 316 echo "$1" | tr -cd '[:alnum:]_.\-:;' 317 } 318 319 send_crash() { 320 local meta_path="$1" 321 local report_payload="$(get_key_value "${meta_path}" "payload")" 322 local kind="$(get_kind "${meta_path}")" 323 local exec_name="$(get_key_value "${meta_path}" "exec_name")" 324 local url="$(get_key_value "${OSRELEASED_FOLDER}" "crash_server")" 325 local bdk_version="$(get_key_value "${meta_path}" "bdk_version")" 326 local hwclass="$(get_hardware_class)" 327 local write_payload_size="$(get_key_value "${meta_path}" "payload_size")" 328 local log="$(get_key_value "${meta_path}" "log")" 329 local sig="$(get_key_value "${meta_path}" "sig")" 330 local send_payload_size="$(stat -c "%s" "${report_payload}" 2>/dev/null)" 331 local product="$(get_key_value "${meta_path}" "product_id")" 332 local version="$(get_key_value "${meta_path}" "product_version")" 333 local upload_prefix="$(get_key_value "${meta_path}" "upload_prefix")" 334 local guid 335 local model_manifest_id="$(get_key_value "${WEAVE_CONF_FILE}" "model_id")" 336 337 # If crash_reporter.server is not set return with an error. 338 if [ -z "${url}" ]; then 339 lecho "Configuration error: crash_reporter.server not set." 340 return 1 341 fi 342 343 set -- \ 344 -F "write_payload_size=${write_payload_size}" \ 345 -F "send_payload_size=${send_payload_size}" 346 if [ "${sig}" != "undefined" ]; then 347 set -- "$@" \ 348 -F "sig=${sig}" \ 349 -F "sig2=${sig}" 350 fi 351 if [ -r "${report_payload}" ]; then 352 set -- "$@" \ 353 -F "upload_file_${kind}=@${report_payload}" 354 fi 355 if [ "${log}" != "undefined" -a -r "${log}" ]; then 356 set -- "$@" \ 357 -F "log=@${log}" 358 fi 359 360 if [ "${upload_prefix}" = "undefined" ]; then 361 upload_prefix="" 362 fi 363 364 # Grab any variable that begins with upload_. 365 local v 366 for k in $(get_keys "${meta_path}" "^upload_"); do 367 v="$(get_key_value "${meta_path}" "${k}")" 368 case ${k} in 369 # Product & version are handled separately. 370 upload_var_prod) ;; 371 upload_var_ver) ;; 372 upload_var_*) 373 set -- "$@" -F "${upload_prefix}${k#upload_var_}=${v}" 374 ;; 375 upload_file_*) 376 if [ -r "${v}" ]; then 377 set -- "$@" -F "${upload_prefix}${k#upload_file_}=@${v}" 378 fi 379 ;; 380 esac 381 done 382 383 # If ID or VERSION_ID is undefined, we use the default product name 384 # and bdk_version from /etc/os-release.d. 385 if [ "${product}" = "undefined" ]; then 386 product="${BRILLO_PRODUCT}" 387 fi 388 if [ "${version}" = "undefined" ]; then 389 version="${bdk_version}" 390 fi 391 392 local image_type 393 if is_test_image; then 394 image_type="test" 395 elif is_developer_image; then 396 image_type="dev" 397 elif [ ${FORCE_OFFICIAL} -ne 0 ]; then 398 image_type="force-official" 399 elif is_mock && ! is_mock_successful; then 400 image_type="mock-fail" 401 fi 402 403 local boot_mode 404 if is_developer_mode; then 405 boot_mode="dev" 406 fi 407 408 # Need to strip dashes ourselves as Chrome preserves it in the file 409 # nowadays. This is also what the Chrome breakpad client does. 410 guid=$(tr -d '-' < "${GUID_FILE}") 411 412 local error_type="$(get_key_value "${meta_path}" "error_type")" 413 [ "${error_type}" = "undefined" ] && error_type= 414 415 lecho "Sending crash:" 416 if [ "${product}" != "${BRILLO_PRODUCT}" ]; then 417 lecho " Sending crash report on behalf of ${product}" 418 fi 419 lecho " Metadata: ${meta_path} (${kind})" 420 lecho " Payload: ${report_payload}" 421 lecho " Version: ${version}" 422 lecho " Bdk Version: ${bdk_version}" 423 [ -n "${image_type}" ] && lecho " Image type: ${image_type}" 424 [ -n "${boot_mode}" ] && lecho " Boot mode: ${boot_mode}" 425 if is_mock; then 426 lecho " Product: ${product}" 427 lecho " URL: ${url}" 428 lecho " HWClass: ${hwclass}" 429 lecho " write_payload_size: ${write_payload_size}" 430 lecho " send_payload_size: ${send_payload_size}" 431 if [ "${log}" != "undefined" ]; then 432 lecho " log: @${log}" 433 fi 434 if [ "${sig}" != "undefined" ]; then 435 lecho " sig: ${sig}" 436 fi 437 fi 438 lecho " Exec name: ${exec_name}" 439 [ -n "${error_type}" ] && lecho " Error type: ${error_type}" 440 if is_mock; then 441 if ! is_mock_successful; then 442 lecho "Mocking unsuccessful send" 443 return 1 444 fi 445 lecho "Mocking successful send" 446 return 0 447 fi 448 449 # Read in the first proxy, if any, for a given URL. NOTE: The 450 # double-quotes are necessary due to a bug in dash with the "local" 451 # builtin command and values that have spaces in them (see 452 # "https://bugs.launchpad.net/ubuntu/+source/dash/+bug/139097"). 453 if [ -f "${LIST_PROXIES}" ]; then 454 local proxy ret 455 proxy=$("${LIST_PROXIES}" --quiet "${url}") 456 ret=$? 457 if [ ${ret} -ne 0 ]; then 458 proxy='' 459 lwarn "Listing proxies failed with exit code ${ret}" 460 else 461 proxy=$(echo "${proxy}" | head -1) 462 fi 463 fi 464 # if a direct connection should be used, unset the proxy variable. 465 [ "${proxy}" = "direct://" ] && proxy= 466 local report_id="${TMP_DIR}/report_id" 467 local curl_stderr="${TMP_DIR}/curl_stderr" 468 469 set +e 470 curl "${url}" -f -v ${proxy:+--proxy "$proxy"} \ 471 --capath "$(get_certificates_path)" --ciphers HIGH \ 472 -F "prod=${product}" \ 473 -F "ver=${version}" \ 474 -F "bdk_version=${bdk_version}" \ 475 -F "hwclass=${hwclass}" \ 476 -F "exec_name=${exec_name}" \ 477 -F "model_manifest_id=${model_manifest_id}" \ 478 ${image_type:+-F "image_type=${image_type}"} \ 479 ${boot_mode:+-F "boot_mode=${boot_mode}"} \ 480 ${error_type:+-F "error_type=${error_type}"} \ 481 -F "guid=${guid}" \ 482 -o "${report_id}" \ 483 "$@" \ 484 2>"${curl_stderr}" 485 curl_result=$? 486 set -e 487 488 if [ ${curl_result} -eq 0 ]; then 489 local id="$(cat "${report_id}")" 490 local timestamp="$(date +%s)" 491 local filter_prod="$(filter_log_string "${product}")" 492 local filter_exec="$(filter_log_string "${exec_name}")" 493 if [ "${filter_prod}" != "${product}" ]; then 494 lwarn "Product name filtered to: ${filter_prod}." 495 fi 496 if [ "${filter_exec}" != "${exec_name}" ]; then 497 lwarn "Exec name filtered to: ${filter_exec}." 498 fi 499 printf "{'time':%s,'id':'%s','product':'%s','exec_name':'%s'}\n" \ 500 "${timestamp}" "${id}" "${filter_prod}" "${filter_exec}" >> "${CRASH_LOG}" 501 lecho "Crash report receipt ID ${id}" 502 else 503 lecho "Crash sending failed with exit code ${curl_result}: " \ 504 "$(cat "${curl_stderr}")" 505 fi 506 507 rm -f "${report_id}" 508 509 return ${curl_result} 510 } 511 512 # *.meta files always end with done=1 so we can tell if they are complete. 513 is_complete_metadata() { 514 grep -q "done=1" "$1" 515 } 516 517 # Remove the given report path. 518 remove_report() { 519 local base="${1%.*}" 520 rm -f -- "${base}".* 521 } 522 523 # Send all crashes from the given directory. This applies even when we're on a 524 # 3G connection (see crosbug.com/3304 for discussion). 525 send_crashes() { 526 local dir="$1" 527 lecho "Sending crashes for ${dir}" 528 529 if [ ! -d "${dir}" ]; then 530 return 531 fi 532 533 # Consider any old files which still have no corresponding meta file 534 # as orphaned, and remove them. 535 for old_file in $(find "${dir}" -mindepth 1 \ 536 -mtime +1 -type f); do 537 if [ ! -e "$(get_base "${old_file}").meta" ]; then 538 lecho "Removing old orphaned file: ${old_file}." 539 rm -f -- "${old_file}" 540 fi 541 done 542 543 # Look through all metadata (*.meta) files, oldest first. That way, the rate 544 # limit does not stall old crashes if there's a high amount of new crashes 545 # coming in. 546 # For each crash report, first evaluate conditions that might lead to its 547 # removal to honor user choice and to free disk space as soon as possible, 548 # then decide whether it should be sent right now or kept for later sending. 549 for meta_path in $(ls -1tr "${dir}"/*.meta 2>/dev/null); do 550 lecho "Considering metadata ${meta_path}." 551 552 local kind=$(get_kind "${meta_path}") 553 if [ "${kind}" != "minidump" ] && \ 554 [ "${kind}" != "kcrash" ] && \ 555 [ "${kind}" != "log" ] && 556 [ "${kind}" != "devcore" ]; then 557 lecho "Unknown report kind ${kind}. Removing report." 558 remove_report "${meta_path}" 559 continue 560 fi 561 562 if ! is_complete_metadata "${meta_path}"; then 563 # This report is incomplete, so if it's old, just remove it. 564 local old_meta=$(find "${dir}" -mindepth 1 -name \ 565 $(basename "${meta_path}") -mtime +1 -type f) 566 if [ -n "${old_meta}" ]; then 567 lecho "Removing old incomplete metadata." 568 remove_report "${meta_path}" 569 else 570 lecho "Ignoring recent incomplete metadata." 571 fi 572 continue 573 fi 574 575 # Ignore device coredump if device coredump uploading is not allowed. 576 if [ "${kind}" = "devcore" ] && ! is_device_coredump_upload_allowed; then 577 lecho "Ignoring device coredump. Device coredump upload not allowed." 578 continue 579 fi 580 581 if ! is_mock && ! is_official_image; then 582 lecho "Not an official OS version. Removing crash." 583 remove_report "${meta_path}" 584 continue 585 fi 586 587 # Remove existing crashes in case user consent has not (yet) been given or 588 # has been revoked. This must come after the guest mode check because 589 # metrics_client always returns "not consented" in guest mode. 590 if ! metrics_client -c; then 591 lecho "Crash reporting is disabled. Removing crash." 592 remove_report "${meta_path}" 593 continue 594 fi 595 596 # Skip report if the upload rate is exceeded. (Don't exit right now because 597 # subsequent reports may be candidates for deletion.) 598 if ! check_rate; then 599 lecho "Sending ${meta_path} would exceed rate. Leaving for later." 600 continue 601 fi 602 603 # The .meta file should be written *after* all to-be-uploaded files that it 604 # references. Nevertheless, as a safeguard, a hold-off time of thirty 605 # seconds after writing the .meta file is ensured. Also, sending of crash 606 # reports is spread out randomly by up to SECONDS_SEND_SPREAD. Thus, for 607 # the sleep call the greater of the two delays is used. 608 local now=$(date +%s) 609 local holdoff_time=$(($(stat -c "%Y" "${meta_path}") + 30 - ${now})) 610 local spread_time=$(generate_uniform_random "${SECONDS_SEND_SPREAD}") 611 local sleep_time 612 if [ ${spread_time} -gt ${holdoff_time} ]; then 613 sleep_time="${spread_time}" 614 else 615 sleep_time="${holdoff_time}" 616 fi 617 lecho "Scheduled to send in ${sleep_time}s." 618 if ! is_mock; then 619 if ! sleep "${sleep_time}"; then 620 lecho "Sleep failed" 621 return 1 622 fi 623 fi 624 625 # Try to upload. 626 if ! send_crash "${meta_path}"; then 627 lecho "Problem sending ${meta_path}, not removing." 628 continue 629 fi 630 631 # Send was successful, now remove. 632 lecho "Successfully sent crash ${meta_path} and removing." 633 remove_report "${meta_path}" 634 done 635 } 636 637 usage() { 638 cat <<EOF 639 Usage: crash_sender [options] 640 641 Options: 642 -e <var>=<val> Set env |var| to |val| (only some vars) 643 EOF 644 exit ${1:-1} 645 } 646 647 parseargs() { 648 # Parse the command line arguments. 649 while [ $# -gt 0 ]; do 650 case $1 in 651 -e) 652 shift 653 case $1 in 654 FORCE_OFFICIAL=*|\ 655 MAX_CRASH_RATE=*|\ 656 MOCK_DEVELOPER_MODE=*|\ 657 OVERRIDE_PAUSE_SENDING=*|\ 658 SECONDS_SEND_SPREAD=*) 659 export "$1" 660 ;; 661 *) 662 lecho "Unknown var passed to -e: $1" 663 exit 1 664 ;; 665 esac 666 ;; 667 -h) 668 usage 0 669 ;; 670 *) 671 lecho "Unknown options: $*" 672 exit 1 673 ;; 674 esac 675 shift 676 done 677 } 678 679 main() { 680 parseargs "$@" 681 682 if [ -e "${PAUSE_CRASH_SENDING}" ] && \ 683 [ ${OVERRIDE_PAUSE_SENDING} -eq 0 ]; then 684 lecho "Exiting early due to ${PAUSE_CRASH_SENDING}." 685 exit 1 686 fi 687 688 if is_test_image; then 689 lecho "Exiting early due to test image." 690 exit 1 691 fi 692 693 # We don't perform checks on this because we have a master lock with the 694 # CRASH_SENDER_LOCK file. This pid file is for the system to keep track 695 # (like with autotests) that we're still running. 696 echo $$ > "${RUN_FILE}" 697 698 for dependency in "$(get_certificates_path)"; do 699 if [ ! -x "${dependency}" ]; then 700 lecho "Fatal: Crash sending disabled: ${dependency} not found." 701 exit 1 702 fi 703 done 704 705 TMP_DIR="$(mktemp -d "${CRASH_STATE_DIR}/tmp/crash_sender.XXXXXX")" 706 707 # Send system-wide crashes 708 send_crashes "${CRASH_STATE_DIR}/crash" 709 } 710 711 trap cleanup EXIT INT TERM 712 713 #TODO(http://b/23937249): Change the locking logic back to using flock. 714 if ! mkdir "${CRASH_SENDER_LOCK}" 2>/dev/null; then 715 lecho "Already running; quitting." 716 crash_done 717 exit 1 718 fi 719 main "$@" 720
