| /*** |
| This file is part of systemd. |
| |
| Copyright 2014 Zbigniew Jędrzejewski-Szmek |
| |
| systemd is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or |
| (at your option) any later version. |
| |
| systemd is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <curl/curl.h> |
| #include <fcntl.h> |
| #include <getopt.h> |
| #include <stdio.h> |
| #include <sys/stat.h> |
| |
| #include "sd-daemon.h" |
| |
| #include "alloc-util.h" |
| #include "conf-parser.h" |
| #include "def.h" |
| #include "fd-util.h" |
| #include "fileio.h" |
| #include "format-util.h" |
| #include "glob-util.h" |
| #include "journal-upload.h" |
| #include "log.h" |
| #include "mkdir.h" |
| #include "parse-util.h" |
| #include "sigbus.h" |
| #include "signal-util.h" |
| #include "string-util.h" |
| #include "util.h" |
| |
| #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-upload.pem" |
| #define CERT_FILE CERTIFICATE_ROOT "/certs/journal-upload.pem" |
| #define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" |
| #define DEFAULT_PORT 19532 |
| |
| static const char* arg_url = NULL; |
| static const char *arg_key = NULL; |
| static const char *arg_cert = NULL; |
| static const char *arg_trust = NULL; |
| static const char *arg_directory = NULL; |
| static char **arg_file = NULL; |
| static const char *arg_cursor = NULL; |
| static bool arg_after_cursor = false; |
| static int arg_journal_type = 0; |
| static const char *arg_machine = NULL; |
| static bool arg_merge = false; |
| static int arg_follow = -1; |
| static const char *arg_save_state = NULL; |
| |
| static void close_fd_input(Uploader *u); |
| |
| #define SERVER_ANSWER_KEEP 2048 |
| |
| #define STATE_FILE "/var/lib/systemd/journal-upload/state" |
| |
| #define easy_setopt(curl, opt, value, level, cmd) \ |
| do { \ |
| code = curl_easy_setopt(curl, opt, value); \ |
| if (code) { \ |
| log_full(level, \ |
| "curl_easy_setopt " #opt " failed: %s", \ |
| curl_easy_strerror(code)); \ |
| cmd; \ |
| } \ |
| } while (0) |
| |
| static size_t output_callback(char *buf, |
| size_t size, |
| size_t nmemb, |
| void *userp) { |
| Uploader *u = userp; |
| |
| assert(u); |
| |
| log_debug("The server answers (%zu bytes): %.*s", |
| size*nmemb, (int)(size*nmemb), buf); |
| |
| if (nmemb && !u->answer) { |
| u->answer = strndup(buf, size*nmemb); |
| if (!u->answer) |
| log_warning_errno(ENOMEM, "Failed to store server answer (%zu bytes): %m", |
| size*nmemb); |
| } |
| |
| return size * nmemb; |
| } |
| |
| static int check_cursor_updating(Uploader *u) { |
| _cleanup_free_ char *temp_path = NULL; |
| _cleanup_fclose_ FILE *f = NULL; |
| int r; |
| |
| if (!u->state_file) |
| return 0; |
| |
| r = mkdir_parents(u->state_file, 0755); |
| if (r < 0) |
| return log_error_errno(r, "Cannot create parent directory of state file %s: %m", |
| u->state_file); |
| |
| r = fopen_temporary(u->state_file, &f, &temp_path); |
| if (r < 0) |
| return log_error_errno(r, "Cannot save state to %s: %m", |
| u->state_file); |
| unlink(temp_path); |
| |
| return 0; |
| } |
| |
| static int update_cursor_state(Uploader *u) { |
| _cleanup_free_ char *temp_path = NULL; |
| _cleanup_fclose_ FILE *f = NULL; |
| int r; |
| |
| if (!u->state_file || !u->last_cursor) |
| return 0; |
| |
| r = fopen_temporary(u->state_file, &f, &temp_path); |
| if (r < 0) |
| goto fail; |
| |
| fprintf(f, |
| "# This is private data. Do not parse.\n" |
| "LAST_CURSOR=%s\n", |
| u->last_cursor); |
| |
| r = fflush_and_check(f); |
| if (r < 0) |
| goto fail; |
| |
| if (rename(temp_path, u->state_file) < 0) { |
| r = -errno; |
| goto fail; |
| } |
| |
| return 0; |
| |
| fail: |
| if (temp_path) |
| (void) unlink(temp_path); |
| |
| (void) unlink(u->state_file); |
| |
| return log_error_errno(r, "Failed to save state %s: %m", u->state_file); |
| } |
| |
| static int load_cursor_state(Uploader *u) { |
| int r; |
| |
| if (!u->state_file) |
| return 0; |
| |
| r = parse_env_file(u->state_file, NEWLINE, |
| "LAST_CURSOR", &u->last_cursor, |
| NULL); |
| |
| if (r == -ENOENT) |
| log_debug("State file %s is not present.", u->state_file); |
| else if (r < 0) |
| return log_error_errno(r, "Failed to read state file %s: %m", |
| u->state_file); |
| else |
| log_debug("Last cursor was %s", u->last_cursor); |
| |
| return 0; |
| } |
| |
| |
| |
| int start_upload(Uploader *u, |
| size_t (*input_callback)(void *ptr, |
| size_t size, |
| size_t nmemb, |
| void *userdata), |
| void *data) { |
| CURLcode code; |
| |
| assert(u); |
| assert(input_callback); |
| |
| if (!u->header) { |
| struct curl_slist *h; |
| |
| h = curl_slist_append(NULL, "Content-Type: application/vnd.fdo.journal"); |
| if (!h) |
| return log_oom(); |
| |
| h = curl_slist_append(h, "Transfer-Encoding: chunked"); |
| if (!h) { |
| curl_slist_free_all(h); |
| return log_oom(); |
| } |
| |
| h = curl_slist_append(h, "Accept: text/plain"); |
| if (!h) { |
| curl_slist_free_all(h); |
| return log_oom(); |
| } |
| |
| u->header = h; |
| } |
| |
| if (!u->easy) { |
| CURL *curl; |
| |
| curl = curl_easy_init(); |
| if (!curl) { |
| log_error("Call to curl_easy_init failed."); |
| return -ENOSR; |
| } |
| |
| /* tell it to POST to the URL */ |
| easy_setopt(curl, CURLOPT_POST, 1L, |
| LOG_ERR, return -EXFULL); |
| |
| easy_setopt(curl, CURLOPT_ERRORBUFFER, u->error, |
| LOG_ERR, return -EXFULL); |
| |
| /* set where to write to */ |
| easy_setopt(curl, CURLOPT_WRITEFUNCTION, output_callback, |
| LOG_ERR, return -EXFULL); |
| |
| easy_setopt(curl, CURLOPT_WRITEDATA, data, |
| LOG_ERR, return -EXFULL); |
| |
| /* set where to read from */ |
| easy_setopt(curl, CURLOPT_READFUNCTION, input_callback, |
| LOG_ERR, return -EXFULL); |
| |
| easy_setopt(curl, CURLOPT_READDATA, data, |
| LOG_ERR, return -EXFULL); |
| |
| /* use our special own mime type and chunked transfer */ |
| easy_setopt(curl, CURLOPT_HTTPHEADER, u->header, |
| LOG_ERR, return -EXFULL); |
| |
| if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) |
| /* enable verbose for easier tracing */ |
| easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, ); |
| |
| easy_setopt(curl, CURLOPT_USERAGENT, |
| "systemd-journal-upload " PACKAGE_STRING, |
| LOG_WARNING, ); |
| |
| if (arg_key || startswith(u->url, "https://")) { |
| easy_setopt(curl, CURLOPT_SSLKEY, arg_key ?: PRIV_KEY_FILE, |
| LOG_ERR, return -EXFULL); |
| easy_setopt(curl, CURLOPT_SSLCERT, arg_cert ?: CERT_FILE, |
| LOG_ERR, return -EXFULL); |
| } |
| |
| if (streq_ptr(arg_trust, "all")) |
| easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0, |
| LOG_ERR, return -EUCLEAN); |
| else if (arg_trust || startswith(u->url, "https://")) |
| easy_setopt(curl, CURLOPT_CAINFO, arg_trust ?: TRUST_FILE, |
| LOG_ERR, return -EXFULL); |
| |
| if (arg_key || arg_trust) |
| easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1, |
| LOG_WARNING, ); |
| |
| u->easy = curl; |
| } else { |
| /* truncate the potential old error message */ |
| u->error[0] = '\0'; |
| |
| free(u->answer); |
| u->answer = 0; |
| } |
| |
| /* upload to this place */ |
| code = curl_easy_setopt(u->easy, CURLOPT_URL, u->url); |
| if (code) { |
| log_error("curl_easy_setopt CURLOPT_URL failed: %s", |
| curl_easy_strerror(code)); |
| return -EXFULL; |
| } |
| |
| u->uploading = true; |
| |
| return 0; |
| } |
| |
| static size_t fd_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { |
| Uploader *u = userp; |
| |
| ssize_t r; |
| |
| assert(u); |
| assert(nmemb <= SSIZE_MAX / size); |
| |
| if (u->input < 0) |
| return 0; |
| |
| r = read(u->input, buf, size * nmemb); |
| log_debug("%s: allowed %zu, read %zd", __func__, size*nmemb, r); |
| |
| if (r > 0) |
| return r; |
| |
| u->uploading = false; |
| if (r == 0) { |
| log_debug("Reached EOF"); |
| close_fd_input(u); |
| return 0; |
| } else { |
| log_error_errno(errno, "Aborting transfer after read error on input: %m."); |
| return CURL_READFUNC_ABORT; |
| } |
| } |
| |
| static void close_fd_input(Uploader *u) { |
| assert(u); |
| |
| if (u->input >= 0) |
| close_nointr(u->input); |
| u->input = -1; |
| u->timeout = 0; |
| } |
| |
| static int dispatch_fd_input(sd_event_source *event, |
| int fd, |
| uint32_t revents, |
| void *userp) { |
| Uploader *u = userp; |
| |
| assert(u); |
| assert(fd >= 0); |
| |
| if (revents & EPOLLHUP) { |
| log_debug("Received HUP"); |
| close_fd_input(u); |
| return 0; |
| } |
| |
| if (!(revents & EPOLLIN)) { |
| log_warning("Unexpected poll event %"PRIu32".", revents); |
| return -EINVAL; |
| } |
| |
| if (u->uploading) { |
| log_warning("dispatch_fd_input called when uploading, ignoring."); |
| return 0; |
| } |
| |
| return start_upload(u, fd_input_callback, u); |
| } |
| |
| static int open_file_for_upload(Uploader *u, const char *filename) { |
| int fd, r = 0; |
| |
| if (streq(filename, "-")) |
| fd = STDIN_FILENO; |
| else { |
| fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); |
| if (fd < 0) |
| return log_error_errno(errno, "Failed to open %s: %m", filename); |
| } |
| |
| u->input = fd; |
| |
| if (arg_follow) { |
| r = sd_event_add_io(u->events, &u->input_event, |
| fd, EPOLLIN, dispatch_fd_input, u); |
| if (r < 0) { |
| if (r != -EPERM || arg_follow > 0) |
| return log_error_errno(r, "Failed to register input event: %m"); |
| |
| /* Normal files should just be consumed without polling. */ |
| r = start_upload(u, fd_input_callback, u); |
| } |
| } |
| |
| return r; |
| } |
| |
| static int dispatch_sigterm(sd_event_source *event, |
| const struct signalfd_siginfo *si, |
| void *userdata) { |
| Uploader *u = userdata; |
| |
| assert(u); |
| |
| log_received_signal(LOG_INFO, si); |
| |
| close_fd_input(u); |
| close_journal_input(u); |
| |
| sd_event_exit(u->events, 0); |
| return 0; |
| } |
| |
| static int setup_signals(Uploader *u) { |
| int r; |
| |
| assert(u); |
| |
| assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); |
| |
| r = sd_event_add_signal(u->events, &u->sigterm_event, SIGTERM, dispatch_sigterm, u); |
| if (r < 0) |
| return r; |
| |
| r = sd_event_add_signal(u->events, &u->sigint_event, SIGINT, dispatch_sigterm, u); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static int setup_uploader(Uploader *u, const char *url, const char *state_file) { |
| int r; |
| const char *host, *proto = ""; |
| |
| assert(u); |
| assert(url); |
| |
| memzero(u, sizeof(Uploader)); |
| u->input = -1; |
| |
| if (!(host = startswith(url, "http://")) && !(host = startswith(url, "https://"))) { |
| host = url; |
| proto = "https://"; |
| } |
| |
| if (strchr(host, ':')) |
| u->url = strjoin(proto, url, "/upload"); |
| else { |
| char *t; |
| size_t x; |
| |
| t = strdupa(url); |
| x = strlen(t); |
| while (x > 0 && t[x - 1] == '/') |
| t[x - 1] = '\0'; |
| |
| u->url = strjoin(proto, t, ":" STRINGIFY(DEFAULT_PORT), "/upload"); |
| } |
| if (!u->url) |
| return log_oom(); |
| |
| u->state_file = state_file; |
| |
| r = sd_event_default(&u->events); |
| if (r < 0) |
| return log_error_errno(r, "sd_event_default failed: %m"); |
| |
| r = setup_signals(u); |
| if (r < 0) |
| return log_error_errno(r, "Failed to set up signals: %m"); |
| |
| (void) sd_watchdog_enabled(false, &u->watchdog_usec); |
| |
| return load_cursor_state(u); |
| } |
| |
| static void destroy_uploader(Uploader *u) { |
| assert(u); |
| |
| curl_easy_cleanup(u->easy); |
| curl_slist_free_all(u->header); |
| free(u->answer); |
| |
| free(u->last_cursor); |
| free(u->current_cursor); |
| |
| free(u->url); |
| |
| u->input_event = sd_event_source_unref(u->input_event); |
| |
| close_fd_input(u); |
| close_journal_input(u); |
| |
| sd_event_source_unref(u->sigterm_event); |
| sd_event_source_unref(u->sigint_event); |
| sd_event_unref(u->events); |
| } |
| |
| static int perform_upload(Uploader *u) { |
| CURLcode code; |
| long status; |
| |
| assert(u); |
| |
| u->watchdog_timestamp = now(CLOCK_MONOTONIC); |
| code = curl_easy_perform(u->easy); |
| if (code) { |
| if (u->error[0]) |
| log_error("Upload to %s failed: %.*s", |
| u->url, (int) sizeof(u->error), u->error); |
| else |
| log_error("Upload to %s failed: %s", |
| u->url, curl_easy_strerror(code)); |
| return -EIO; |
| } |
| |
| code = curl_easy_getinfo(u->easy, CURLINFO_RESPONSE_CODE, &status); |
| if (code) { |
| log_error("Failed to retrieve response code: %s", |
| curl_easy_strerror(code)); |
| return -EUCLEAN; |
| } |
| |
| if (status >= 300) { |
| log_error("Upload to %s failed with code %ld: %s", |
| u->url, status, strna(u->answer)); |
| return -EIO; |
| } else if (status < 200) { |
| log_error("Upload to %s finished with unexpected code %ld: %s", |
| u->url, status, strna(u->answer)); |
| return -EIO; |
| } else |
| log_debug("Upload finished successfully with code %ld: %s", |
| status, strna(u->answer)); |
| |
| free_and_replace(u->last_cursor, u->current_cursor); |
| |
| return update_cursor_state(u); |
| } |
| |
| static int parse_config(void) { |
| const ConfigTableItem items[] = { |
| { "Upload", "URL", config_parse_string, 0, &arg_url }, |
| { "Upload", "ServerKeyFile", config_parse_path, 0, &arg_key }, |
| { "Upload", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, |
| { "Upload", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, |
| {}}; |
| |
| return config_parse_many_nulstr(PKGSYSCONFDIR "/journal-upload.conf", |
| CONF_PATHS_NULSTR("systemd/journal-upload.conf.d"), |
| "Upload\0", config_item_table_lookup, items, |
| false, NULL); |
| } |
| |
| static void help(void) { |
| printf("%s -u URL {FILE|-}...\n\n" |
| "Upload journal events to a remote server.\n\n" |
| " -h --help Show this help\n" |
| " --version Show package version\n" |
| " -u --url=URL Upload to this address (default port " |
| STRINGIFY(DEFAULT_PORT) ")\n" |
| " --key=FILENAME Specify key in PEM format (default:\n" |
| " \"" PRIV_KEY_FILE "\")\n" |
| " --cert=FILENAME Specify certificate in PEM format (default:\n" |
| " \"" CERT_FILE "\")\n" |
| " --trust=FILENAME|all Specify CA certificate or disable checking (default:\n" |
| " \"" TRUST_FILE "\")\n" |
| " --system Use the system journal\n" |
| " --user Use the user journal for the current user\n" |
| " -m --merge Use all available journals\n" |
| " -M --machine=CONTAINER Operate on local container\n" |
| " -D --directory=PATH Use journal files from directory\n" |
| " --file=PATH Use this journal file\n" |
| " --cursor=CURSOR Start at the specified cursor\n" |
| " --after-cursor=CURSOR Start after the specified cursor\n" |
| " --follow[=BOOL] Do [not] wait for input\n" |
| " --save-state[=FILE] Save uploaded cursors (default \n" |
| " " STATE_FILE ")\n" |
| " -h --help Show this help and exit\n" |
| " --version Print version string and exit\n" |
| , program_invocation_short_name); |
| } |
| |
| static int parse_argv(int argc, char *argv[]) { |
| enum { |
| ARG_VERSION = 0x100, |
| ARG_KEY, |
| ARG_CERT, |
| ARG_TRUST, |
| ARG_USER, |
| ARG_SYSTEM, |
| ARG_FILE, |
| ARG_CURSOR, |
| ARG_AFTER_CURSOR, |
| ARG_FOLLOW, |
| ARG_SAVE_STATE, |
| }; |
| |
| static const struct option options[] = { |
| { "help", no_argument, NULL, 'h' }, |
| { "version", no_argument, NULL, ARG_VERSION }, |
| { "url", required_argument, NULL, 'u' }, |
| { "key", required_argument, NULL, ARG_KEY }, |
| { "cert", required_argument, NULL, ARG_CERT }, |
| { "trust", required_argument, NULL, ARG_TRUST }, |
| { "system", no_argument, NULL, ARG_SYSTEM }, |
| { "user", no_argument, NULL, ARG_USER }, |
| { "merge", no_argument, NULL, 'm' }, |
| { "machine", required_argument, NULL, 'M' }, |
| { "directory", required_argument, NULL, 'D' }, |
| { "file", required_argument, NULL, ARG_FILE }, |
| { "cursor", required_argument, NULL, ARG_CURSOR }, |
| { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, |
| { "follow", optional_argument, NULL, ARG_FOLLOW }, |
| { "save-state", optional_argument, NULL, ARG_SAVE_STATE }, |
| {} |
| }; |
| |
| int c, r; |
| |
| assert(argc >= 0); |
| assert(argv); |
| |
| opterr = 0; |
| |
| while ((c = getopt_long(argc, argv, "hu:mM:D:", options, NULL)) >= 0) |
| switch(c) { |
| case 'h': |
| help(); |
| return 0 /* done */; |
| |
| case ARG_VERSION: |
| return version(); |
| |
| case 'u': |
| if (arg_url) { |
| log_error("cannot use more than one --url"); |
| return -EINVAL; |
| } |
| |
| arg_url = optarg; |
| break; |
| |
| case ARG_KEY: |
| if (arg_key) { |
| log_error("cannot use more than one --key"); |
| return -EINVAL; |
| } |
| |
| arg_key = optarg; |
| break; |
| |
| case ARG_CERT: |
| if (arg_cert) { |
| log_error("cannot use more than one --cert"); |
| return -EINVAL; |
| } |
| |
| arg_cert = optarg; |
| break; |
| |
| case ARG_TRUST: |
| if (arg_trust) { |
| log_error("cannot use more than one --trust"); |
| return -EINVAL; |
| } |
| |
| arg_trust = optarg; |
| break; |
| |
| case ARG_SYSTEM: |
| arg_journal_type |= SD_JOURNAL_SYSTEM; |
| break; |
| |
| case ARG_USER: |
| arg_journal_type |= SD_JOURNAL_CURRENT_USER; |
| break; |
| |
| case 'm': |
| arg_merge = true; |
| break; |
| |
| case 'M': |
| if (arg_machine) { |
| log_error("cannot use more than one --machine/-M"); |
| return -EINVAL; |
| } |
| |
| arg_machine = optarg; |
| break; |
| |
| case 'D': |
| if (arg_directory) { |
| log_error("cannot use more than one --directory/-D"); |
| return -EINVAL; |
| } |
| |
| arg_directory = optarg; |
| break; |
| |
| case ARG_FILE: |
| r = glob_extend(&arg_file, optarg); |
| if (r < 0) |
| return log_error_errno(r, "Failed to add paths: %m"); |
| break; |
| |
| case ARG_CURSOR: |
| if (arg_cursor) { |
| log_error("cannot use more than one --cursor/--after-cursor"); |
| return -EINVAL; |
| } |
| |
| arg_cursor = optarg; |
| break; |
| |
| case ARG_AFTER_CURSOR: |
| if (arg_cursor) { |
| log_error("cannot use more than one --cursor/--after-cursor"); |
| return -EINVAL; |
| } |
| |
| arg_cursor = optarg; |
| arg_after_cursor = true; |
| break; |
| |
| case ARG_FOLLOW: |
| if (optarg) { |
| r = parse_boolean(optarg); |
| if (r < 0) { |
| log_error("Failed to parse --follow= parameter."); |
| return -EINVAL; |
| } |
| |
| arg_follow = !!r; |
| } else |
| arg_follow = true; |
| |
| break; |
| |
| case ARG_SAVE_STATE: |
| arg_save_state = optarg ?: STATE_FILE; |
| break; |
| |
| case '?': |
| log_error("Unknown option %s.", argv[optind-1]); |
| return -EINVAL; |
| |
| case ':': |
| log_error("Missing argument to %s.", argv[optind-1]); |
| return -EINVAL; |
| |
| default: |
| assert_not_reached("Unhandled option code."); |
| } |
| |
| if (!arg_url) { |
| log_error("Required --url/-u option missing."); |
| return -EINVAL; |
| } |
| |
| if (!!arg_key != !!arg_cert) { |
| log_error("Options --key and --cert must be used together."); |
| return -EINVAL; |
| } |
| |
| if (optind < argc && (arg_directory || arg_file || arg_machine || arg_journal_type)) { |
| log_error("Input arguments make no sense with journal input."); |
| return -EINVAL; |
| } |
| |
| return 1; |
| } |
| |
| static int open_journal(sd_journal **j) { |
| int r; |
| |
| if (arg_directory) |
| r = sd_journal_open_directory(j, arg_directory, arg_journal_type); |
| else if (arg_file) |
| r = sd_journal_open_files(j, (const char**) arg_file, 0); |
| else if (arg_machine) |
| r = sd_journal_open_container(j, arg_machine, 0); |
| else |
| r = sd_journal_open(j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); |
| if (r < 0) |
| log_error_errno(r, "Failed to open %s: %m", |
| arg_directory ? arg_directory : arg_file ? "files" : "journal"); |
| return r; |
| } |
| |
| int main(int argc, char **argv) { |
| Uploader u; |
| int r; |
| bool use_journal; |
| |
| log_show_color(true); |
| log_parse_environment(); |
| |
| r = parse_config(); |
| if (r < 0) |
| goto finish; |
| |
| r = parse_argv(argc, argv); |
| if (r <= 0) |
| goto finish; |
| |
| sigbus_install(); |
| |
| r = setup_uploader(&u, arg_url, arg_save_state); |
| if (r < 0) |
| goto cleanup; |
| |
| sd_event_set_watchdog(u.events, true); |
| |
| r = check_cursor_updating(&u); |
| if (r < 0) |
| goto cleanup; |
| |
| log_debug("%s running as pid "PID_FMT, |
| program_invocation_short_name, getpid()); |
| |
| use_journal = optind >= argc; |
| if (use_journal) { |
| sd_journal *j; |
| r = open_journal(&j); |
| if (r < 0) |
| goto finish; |
| r = open_journal_for_upload(&u, j, |
| arg_cursor ?: u.last_cursor, |
| arg_cursor ? arg_after_cursor : true, |
| !!arg_follow); |
| if (r < 0) |
| goto finish; |
| } |
| |
| sd_notify(false, |
| "READY=1\n" |
| "STATUS=Processing input..."); |
| |
| for (;;) { |
| r = sd_event_get_state(u.events); |
| if (r < 0) |
| break; |
| if (r == SD_EVENT_FINISHED) |
| break; |
| |
| if (use_journal) { |
| if (!u.journal) |
| break; |
| |
| r = check_journal_input(&u); |
| } else if (u.input < 0 && !use_journal) { |
| if (optind >= argc) |
| break; |
| |
| log_debug("Using %s as input.", argv[optind]); |
| r = open_file_for_upload(&u, argv[optind++]); |
| } |
| if (r < 0) |
| goto cleanup; |
| |
| if (u.uploading) { |
| r = perform_upload(&u); |
| if (r < 0) |
| break; |
| } |
| |
| r = sd_event_run(u.events, u.timeout); |
| if (r < 0) { |
| log_error_errno(r, "Failed to run event loop: %m"); |
| break; |
| } |
| } |
| |
| cleanup: |
| sd_notify(false, |
| "STOPPING=1\n" |
| "STATUS=Shutting down..."); |
| |
| destroy_uploader(&u); |
| |
| finish: |
| return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
| } |