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-rw-r--r--src/journal-remote/journal-upload.c854
1 files changed, 854 insertions, 0 deletions
diff --git a/src/journal-remote/journal-upload.c b/src/journal-remote/journal-upload.c
new file mode 100644
index 0000000..ef3556f
--- /dev/null
+++ b/src/journal-remote/journal-upload.c
@@ -0,0 +1,854 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#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 "build.h"
+#include "conf-parser.h"
+#include "daemon-util.h"
+#include "def.h"
+#include "env-file.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "format-util.h"
+#include "glob-util.h"
+#include "journal-upload.h"
+#include "log.h"
+#include "main-func.h"
+#include "mkdir.h"
+#include "parse-util.h"
+#include "pretty-print.h"
+#include "process-util.h"
+#include "rlimit-util.h"
+#include "sigbus.h"
+#include "signal-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "tmpfile-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("Failed to store server answer (%zu bytes): out of memory", 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(NULL, u->state_file, "LAST_CURSOR", &u->last_cursor);
+ 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)
+ return log_error_errno(SYNTHETIC_ERRNO(ENOSR),
+ "Call to curl_easy_init failed.");
+
+ /* 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 (DEBUG_LOGGING)
+ /* enable verbose for easier tracing */
+ easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, );
+
+ easy_setopt(curl, CURLOPT_USERAGENT,
+ "systemd-journal-upload " GIT_VERSION,
+ 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)
+ return log_error_errno(SYNTHETIC_ERRNO(EXFULL),
+ "curl_easy_setopt CURLOPT_URL failed: %s",
+ curl_easy_strerror(code));
+
+ 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 n;
+
+ assert(u);
+ assert(nmemb < SSIZE_MAX / size);
+
+ if (u->input < 0)
+ return 0;
+
+ assert(!size_multiply_overflow(size, nmemb));
+
+ n = read(u->input, buf, size * nmemb);
+ log_debug("%s: allowed %zu, read %zd", __func__, size*nmemb, n);
+ if (n > 0)
+ return n;
+
+ u->uploading = false;
+ if (n < 0) {
+ log_error_errno(errno, "Aborting transfer after read error on input: %m.");
+ return CURL_READFUNC_ABORT;
+ }
+
+ log_debug("Reached EOF");
+ close_fd_input(u);
+ return 0;
+}
+
+static void close_fd_input(Uploader *u) {
+ assert(u);
+
+ u->input = safe_close(u->input);
+ 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);
+
+ *u = (Uploader) {
+ .input = -1
+ };
+
+ host = STARTSWITH_SET(url, "http://", "https://");
+ if (!host) {
+ 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)
+ return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
+ "Failed to retrieve response code: %s",
+ curl_easy_strerror(code));
+
+ if (status >= 300)
+ return log_error_errno(SYNTHETIC_ERRNO(EIO),
+ "Upload to %s failed with code %ld: %s",
+ u->url, status, strna(u->answer));
+ else if (status < 200)
+ return log_error_errno(SYNTHETIC_ERRNO(EIO),
+ "Upload to %s finished with unexpected code %ld: %s",
+ u->url, status, strna(u->answer));
+ 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,
+ CONFIG_PARSE_WARN, NULL);
+}
+
+static int help(void) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ r = terminal_urlify_man("systemd-journal-upload.service", "8", &link);
+ if (r < 0)
+ return log_oom();
+
+ 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"
+ "\nSee the %s for details.\n"
+ , program_invocation_short_name
+ , link
+ );
+
+ return 0;
+}
+
+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':
+ return help();
+
+ case ARG_VERSION:
+ return version();
+
+ case 'u':
+ if (arg_url)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "cannot use more than one --url");
+
+ arg_url = optarg;
+ break;
+
+ case ARG_KEY:
+ if (arg_key)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "cannot use more than one --key");
+
+ arg_key = optarg;
+ break;
+
+ case ARG_CERT:
+ if (arg_cert)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "cannot use more than one --cert");
+
+ arg_cert = optarg;
+ break;
+
+ case ARG_TRUST:
+ if (arg_trust)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "cannot use more than one --trust");
+
+ 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)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "cannot use more than one --machine/-M");
+
+ arg_machine = optarg;
+ break;
+
+ case 'D':
+ if (arg_directory)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "cannot use more than one --directory/-D");
+
+ 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)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "cannot use more than one --cursor/--after-cursor");
+
+ arg_cursor = optarg;
+ break;
+
+ case ARG_AFTER_CURSOR:
+ if (arg_cursor)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "cannot use more than one --cursor/--after-cursor");
+
+ arg_cursor = optarg;
+ arg_after_cursor = true;
+ break;
+
+ case ARG_FOLLOW:
+ if (optarg) {
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Failed to parse --follow= parameter.");
+
+ arg_follow = !!r;
+ } else
+ arg_follow = true;
+
+ break;
+
+ case ARG_SAVE_STATE:
+ arg_save_state = optarg ?: STATE_FILE;
+ break;
+
+ case '?':
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown option %s.",
+ argv[optind - 1]);
+
+ case ':':
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Missing argument to %s.",
+ argv[optind - 1]);
+
+ default:
+ assert_not_reached("Unhandled option code.");
+ }
+
+ if (!arg_url)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Required --url/-u option missing.");
+
+ if (!!arg_key != !!arg_cert)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Options --key and --cert must be used together.");
+
+ if (optind < argc && (arg_directory || arg_file || arg_machine || arg_journal_type))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Input arguments make no sense with journal input.");
+
+ 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;
+}
+
+static int run(int argc, char **argv) {
+ _cleanup_(notify_on_cleanup) const char *notify_message = NULL;
+ _cleanup_(destroy_uploader) Uploader u = {};
+ bool use_journal;
+ int r;
+
+ log_show_color(true);
+ log_parse_environment();
+
+ /* The journal merging logic potentially needs a lot of fds. */
+ (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
+
+ r = parse_config();
+ if (r < 0)
+ return r;
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ sigbus_install();
+
+ r = setup_uploader(&u, arg_url, arg_save_state);
+ if (r < 0)
+ return r;
+
+ sd_event_set_watchdog(u.events, true);
+
+ r = check_cursor_updating(&u);
+ if (r < 0)
+ return r;
+
+ log_debug("%s running as pid "PID_FMT,
+ program_invocation_short_name, getpid_cached());
+
+ use_journal = optind >= argc;
+ if (use_journal) {
+ sd_journal *j;
+ r = open_journal(&j);
+ if (r < 0)
+ return r;
+ r = open_journal_for_upload(&u, j,
+ arg_cursor ?: u.last_cursor,
+ arg_cursor ? arg_after_cursor : true,
+ !!arg_follow);
+ if (r < 0)
+ return r;
+ }
+
+ notify_message = notify_start("READY=1\n"
+ "STATUS=Processing input...",
+ NOTIFY_STOPPING);
+
+ for (;;) {
+ r = sd_event_get_state(u.events);
+ if (r < 0)
+ return r;
+ if (r == SD_EVENT_FINISHED)
+ return 0;
+
+ if (use_journal) {
+ if (!u.journal)
+ return 0;
+
+ r = check_journal_input(&u);
+ } else if (u.input < 0 && !use_journal) {
+ if (optind >= argc)
+ return 0;
+
+ log_debug("Using %s as input.", argv[optind]);
+ r = open_file_for_upload(&u, argv[optind++]);
+ }
+ if (r < 0)
+ return r;
+
+ if (u.uploading) {
+ r = perform_upload(&u);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_event_run(u.events, u.timeout);
+ if (r < 0)
+ return log_error_errno(r, "Failed to run event loop: %m");
+ }
+}
+
+DEFINE_MAIN_FUNCTION(run);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 13:23:48 +0000