X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fjournald-server.c;h=ef39d0a60203c4a2b217ec862ba57b6c618cea43;hb=4dd5da7f7d37f964fe95b0f0d451d7843a34591d;hp=9ca3859297836e7e4eb8bdbbf4dce79bd2abd501;hpb=4daf54a851e4fb7ed1a13c3117bba12528fd2c7f;p=elogind.git diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c index 9ca385929..ef39d0a60 100644 --- a/src/journal/journald-server.c +++ b/src/journal/journald-server.c @@ -70,7 +70,7 @@ #define RECHECK_AVAILABLE_SPACE_USEC (30*USEC_PER_SEC) -static const char* const storage_table[] = { +static const char* const storage_table[_STORAGE_MAX] = { [STORAGE_AUTO] = "auto", [STORAGE_VOLATILE] = "volatile", [STORAGE_PERSISTENT] = "persistent", @@ -80,10 +80,10 @@ static const char* const storage_table[] = { DEFINE_STRING_TABLE_LOOKUP(storage, Storage); DEFINE_CONFIG_PARSE_ENUM(config_parse_storage, storage, Storage, "Failed to parse storage setting"); -static const char* const split_mode_table[] = { - [SPLIT_NONE] = "none", +static const char* const split_mode_table[_SPLIT_MAX] = { + [SPLIT_LOGIN] = "login", [SPLIT_UID] = "uid", - [SPLIT_LOGIN] = "login" + [SPLIT_NONE] = "none", }; DEFINE_STRING_TABLE_LOOKUP(split_mode, SplitMode); @@ -295,6 +295,27 @@ static JournalFile* find_journal(Server *s, uid_t uid) { return f; } +static int do_rotate(Server *s, JournalFile **f, const char* name, + bool seal, uint32_t uid) { + int r; + assert(s); + + if (!*f) + return -EINVAL; + + r = journal_file_rotate(f, s->compress, seal); + if (r < 0) + if (*f) + log_error("Failed to rotate %s: %s", + (*f)->path, strerror(-r)); + else + log_error("Failed to create new %s journal: %s", + name, strerror(-r)); + else + server_fix_perms(s, *f, uid); + return r; +} + void server_rotate(Server *s) { JournalFile *f; void *k; @@ -303,42 +324,16 @@ void server_rotate(Server *s) { log_debug("Rotating..."); - if (s->runtime_journal) { - r = journal_file_rotate(&s->runtime_journal, s->compress, false); - if (r < 0) - if (s->runtime_journal) - log_error("Failed to rotate %s: %s", s->runtime_journal->path, strerror(-r)); - else - log_error("Failed to create new runtime journal: %s", strerror(-r)); - else - server_fix_perms(s, s->runtime_journal, 0); - } - - if (s->system_journal) { - r = journal_file_rotate(&s->system_journal, s->compress, s->seal); - if (r < 0) - if (s->system_journal) - log_error("Failed to rotate %s: %s", s->system_journal->path, strerror(-r)); - else - log_error("Failed to create new system journal: %s", strerror(-r)); - - else - server_fix_perms(s, s->system_journal, 0); - } + do_rotate(s, &s->runtime_journal, "runtime", false, 0); + do_rotate(s, &s->system_journal, "system", s->seal, 0); HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) { - r = journal_file_rotate(&f, s->compress, s->seal); - if (r < 0) - if (f) - log_error("Failed to rotate %s: %s", f->path, strerror(-r)); - else { - log_error("Failed to create user journal: %s", strerror(-r)); - hashmap_remove(s->user_journals, k); - } - else { + r = do_rotate(s, &f, "user", s->seal, PTR_TO_UINT32(k)); + if (r >= 0) hashmap_replace(s->user_journals, k, f); - server_fix_perms(s, f, PTR_TO_UINT32(k)); - } + else if (!f) + /* Old file has been closed and deallocated */ + hashmap_remove(s->user_journals, k); } } @@ -369,6 +364,20 @@ void server_sync(Server *s) { s->sync_scheduled = false; } +static void do_vacuum(Server *s, char *ids, JournalFile *f, const char* path, + JournalMetrics *metrics) { + char *p; + int r; + + if (!f) + return; + + p = strappenda(path, ids); + r = journal_directory_vacuum(p, metrics->max_use, s->max_retention_usec, &s->oldest_file_usec); + if (r < 0 && r != -ENOENT) + log_error("Failed to vacuum %s: %s", p, strerror(-r)); +} + void server_vacuum(Server *s) { char ids[33]; sd_id128_t machine; @@ -383,24 +392,10 @@ void server_vacuum(Server *s) { log_error("Failed to get machine ID: %s", strerror(-r)); return; } - sd_id128_to_string(machine, ids); - if (s->system_journal) { - char *p = strappenda("/var/log/journal/", ids); - - r = journal_directory_vacuum(p, s->system_metrics.max_use, s->max_retention_usec, &s->oldest_file_usec); - if (r < 0 && r != -ENOENT) - log_error("Failed to vacuum %s: %s", p, strerror(-r)); - } - - if (s->runtime_journal) { - char *p = strappenda("/run/log/journal/", ids); - - r = journal_directory_vacuum(p, s->runtime_metrics.max_use, s->max_retention_usec, &s->oldest_file_usec); - if (r < 0 && r != -ENOENT) - log_error("Failed to vacuum %s: %s", p, strerror(-r)); - } + do_vacuum(s, ids, s->system_journal, "/var/log/journal/", &s->system_metrics); + do_vacuum(s, ids, s->runtime_journal, "/run/log/journal/", &s->runtime_metrics); s->cached_available_space_timestamp = 0; } @@ -686,7 +681,7 @@ static void dispatch_message_real( #ifdef HAVE_SELINUX if (use_selinux()) { if (label) { - x = alloca(sizeof("_SELINUX_CONTEXT=") + label_len); + x = alloca(strlen("_SELINUX_CONTEXT=") + label_len + 1); *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0; IOVEC_SET_STRING(iovec[n++], x); @@ -1131,15 +1126,13 @@ int process_datagram(sd_event_source *es, int fd, uint32_t revents, void *userda union { struct cmsghdr cmsghdr; - /* We use NAME_MAX space for the - * SELinux label here. The kernel - * currently enforces no limit, but - * according to suggestions from the - * SELinux people this will change and - * it will probably be identical to - * NAME_MAX. For now we use that, but - * this should be updated one day when - * the final limit is known.*/ + /* We use NAME_MAX space for the SELinux label + * here. The kernel currently enforces no + * limit, but according to suggestions from + * the SELinux people this will change and it + * will probably be identical to NAME_MAX. For + * now we use that, but this should be updated + * one day when the final limit is known.*/ uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) + CMSG_SPACE(sizeof(struct timeval)) + CMSG_SPACE(sizeof(int)) + /* fd */ @@ -1216,8 +1209,6 @@ int process_datagram(sd_event_source *es, int fd, uint32_t revents, void *userda close_many(fds, n_fds); } - - return 0; } static int dispatch_sigusr1(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) { @@ -1267,19 +1258,19 @@ static int setup_signals(Server *s) { sigset_add_many(&mask, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, -1); assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0); - r = sd_event_add_signal(s->event, SIGUSR1, dispatch_sigusr1, s, &s->sigusr1_event_source); + r = sd_event_add_signal(s->event, &s->sigusr1_event_source, SIGUSR1, dispatch_sigusr1, s); if (r < 0) return r; - r = sd_event_add_signal(s->event, SIGUSR2, dispatch_sigusr2, s, &s->sigusr2_event_source); + r = sd_event_add_signal(s->event, &s->sigusr2_event_source, SIGUSR2, dispatch_sigusr2, s); if (r < 0) return r; - r = sd_event_add_signal(s->event, SIGTERM, dispatch_sigterm, s, &s->sigterm_event_source); + r = sd_event_add_signal(s->event, &s->sigterm_event_source, SIGTERM, dispatch_sigterm, s); if (r < 0) return r; - r = sd_event_add_signal(s->event, SIGINT, dispatch_sigterm, s, &s->sigint_event_source); + r = sd_event_add_signal(s->event, &s->sigint_event_source, SIGINT, dispatch_sigterm, s); if (r < 0) return r; @@ -1323,6 +1314,12 @@ static int server_parse_proc_cmdline(Server *s) { log_warning("Failed to parse forward to console switch %s. Ignoring.", word + 36); else s->forward_to_console = r; + } else if (startswith(word, "systemd.journald.forward_to_wall=")) { + r = parse_boolean(word + 33); + if (r < 0) + log_warning("Failed to parse forward to wall switch %s. Ignoring.", word + 33); + else + s->forward_to_wall = r; } else if (startswith(word, "systemd.journald")) log_warning("Invalid systemd.journald parameter. Ignoring."); } @@ -1387,7 +1384,7 @@ int server_schedule_sync(Server *s, int priority) { when += s->sync_interval_usec; if (!s->sync_event_source) { - r = sd_event_add_monotonic(s->event, when, 0, server_dispatch_sync, s, &s->sync_event_source); + r = sd_event_add_monotonic(s->event, &s->sync_event_source, when, 0, server_dispatch_sync, s); if (r < 0) return r; @@ -1428,8 +1425,18 @@ static int server_open_hostname(Server *s) { return -errno; } - r = sd_event_add_io(s->event, s->hostname_fd, 0, dispatch_hostname_change, s, &s->hostname_event_source); + r = sd_event_add_io(s->event, &s->hostname_event_source, s->hostname_fd, 0, dispatch_hostname_change, s); if (r < 0) { + /* kernels prior to 3.2 don't support polling this file. Ignore + * the failure. */ + if (r == -EPERM) { + log_warning("Failed to register hostname fd in event loop: %s. Ignoring.", + strerror(-r)); + close_nointr_nofail(s->hostname_fd); + s->hostname_fd = -1; + return 0; + } + log_error("Failed to register hostname fd in event loop: %s", strerror(-r)); return r; } @@ -1460,11 +1467,13 @@ int server_init(Server *s) { s->rate_limit_burst = DEFAULT_RATE_LIMIT_BURST; s->forward_to_syslog = true; + s->forward_to_wall = true; s->max_level_store = LOG_DEBUG; s->max_level_syslog = LOG_DEBUG; s->max_level_kmsg = LOG_NOTICE; s->max_level_console = LOG_INFO; + s->max_level_wall = LOG_EMERG; memset(&s->system_metrics, 0xFF, sizeof(s->system_metrics)); memset(&s->runtime_metrics, 0xFF, sizeof(s->runtime_metrics));