X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fbasic%2Flog.c;h=321c1bd20ee62ee1f79021651bc1671fa1c12e45;hp=35027de30f1343766158db340f750f907910f5f9;hb=1e2c11636861da69c5637e59afe207a11dd4f386;hpb=d4b35b9aa181cc5dbd257a4a7cc9f75886a73acc diff --git a/src/basic/log.c b/src/basic/log.c index 35027de30..321c1bd20 100644 --- a/src/basic/log.c +++ b/src/basic/log.c @@ -1,5 +1,3 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - /*** This file is part of systemd. @@ -73,7 +71,9 @@ static bool syslog_is_stream = false; static bool show_color = false; static bool show_location = false; -/// UNNEEDED by elogind static bool upgrade_syslog_to_journal = false; +#if 0 /// UNNEEDED by elogind +static bool upgrade_syslog_to_journal = false; +#endif // 0 /* Akin to glibc's __abort_msg; which is private and we hence cannot * use here. */ @@ -135,7 +135,7 @@ static int create_log_socket(int type) { if (fd < 0) return -errno; - fd_inc_sndbuf(fd, SNDBUF_SIZE); + (void) fd_inc_sndbuf(fd, SNDBUF_SIZE); /* We need a blocking fd here since we'd otherwise lose messages way too early. However, let's not hang forever in the @@ -167,7 +167,7 @@ static int log_open_syslog(void) { goto fail; } - if (connect(syslog_fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0) { + if (connect(syslog_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) { safe_close(syslog_fd); /* Some legacy syslog systems still use stream @@ -179,7 +179,7 @@ static int log_open_syslog(void) { goto fail; } - if (connect(syslog_fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0) { + if (connect(syslog_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) { r = -errno; goto fail; } @@ -195,11 +195,13 @@ fail: return r; } -#if 0 /// UNNEEDED by elogind void log_close_journal(void) { +#if 0 /// elogind does not support journald journal_fd = safe_close(journal_fd); +#endif // 0 } +#if 0 /// UNNEEDED by elogind static int log_open_journal(void) { static const union sockaddr_union sa = { @@ -218,7 +220,7 @@ static int log_open_journal(void) { goto fail; } - if (connect(journal_fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0) { + if (connect(journal_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) { r = -errno; goto fail; } @@ -241,7 +243,7 @@ int log_open(void) { * because there is no reason to close it. */ if (log_target == LOG_TARGET_NULL) { - /// UNNEEDED by elogind log_close_journal(); + log_close_journal(); log_close_syslog(); log_close_console(); return 0; @@ -263,11 +265,12 @@ int log_open(void) { } } #endif // 0 + if (log_target == LOG_TARGET_SYSLOG_OR_KMSG || log_target == LOG_TARGET_SYSLOG) { r = log_open_syslog(); if (r >= 0) { - /// UNNEEDED by elogind log_close_journal(); + log_close_journal(); log_close_console(); return r; } @@ -275,12 +278,12 @@ int log_open(void) { if (log_target == LOG_TARGET_AUTO || log_target == LOG_TARGET_SAFE || - /// UNNEEDED by elogind log_target == LOG_TARGET_JOURNAL_OR_KMSG || + log_target == LOG_TARGET_JOURNAL_OR_KMSG || log_target == LOG_TARGET_SYSLOG_OR_KMSG || log_target == LOG_TARGET_KMSG) { r = log_open_kmsg(); if (r >= 0) { - /// UNNEEDED by elogind log_close_journal(); + log_close_journal(); log_close_syslog(); log_close_console(); return r; @@ -288,7 +291,7 @@ int log_open(void) { } } - /// UNNEEDED by elogind log_close_journal(); + log_close_journal(); log_close_syslog(); return log_open_console(); @@ -311,7 +314,7 @@ void log_set_target(LogTarget target) { } void log_close(void) { - /// UNNEDED by elogind log_close_journal(); + log_close_journal(); log_close_syslog(); log_close_kmsg(); log_close_console(); @@ -339,11 +342,9 @@ static int write_to_console( const char *file, int line, const char *func, - const char *object_field, - const char *object, const char *buffer) { - char location[64], prefix[1 + DECIMAL_STR_MAX(int) + 2]; + char location[256], prefix[1 + DECIMAL_STR_MAX(int) + 2]; struct iovec iovec[6] = {}; unsigned n = 0; bool highlight; @@ -352,7 +353,7 @@ static int write_to_console( return 0; if (log_target == LOG_TARGET_CONSOLE_PREFIXED) { - sprintf(prefix, "<%i>", level); + xsprintf(prefix, "<%i>", level); IOVEC_SET_STRING(iovec[n++], prefix); } @@ -399,8 +400,6 @@ static int write_to_syslog( const char *file, int line, const char *func, - const char *object_field, - const char *object, const char *buffer) { char header_priority[2 + DECIMAL_STR_MAX(int) + 1], @@ -462,8 +461,6 @@ static int write_to_kmsg( const char *file, int line, const char *func, - const char *object_field, - const char *object, const char *buffer) { char header_priority[2 + DECIMAL_STR_MAX(int) + 1], @@ -495,7 +492,8 @@ static int log_do_header( int level, int error, const char *file, int line, const char *func, - const char *object_field, const char *object) { + const char *object_field, const char *object, + const char *extra_field, const char *extra) { snprintf(header, size, "PRIORITY=%i\n" @@ -505,6 +503,7 @@ static int log_do_header( "%s%s%s" "%s%.*i%s" "%s%s%s" + "%s%s%s" "SYSLOG_IDENTIFIER=%s\n", LOG_PRI(level), LOG_FAC(level), @@ -523,6 +522,9 @@ static int log_do_header( isempty(object) ? "" : object_field, isempty(object) ? "" : object, isempty(object) ? "" : "\n", + isempty(extra) ? "" : extra_field, + isempty(extra) ? "" : extra, + isempty(extra) ? "" : "\n", program_invocation_short_name); return 0; @@ -536,6 +538,8 @@ static int write_to_journal( const char *func, const char *object_field, const char *object, + const char *extra_field, + const char *extra, const char *buffer) { char header[LINE_MAX]; @@ -545,7 +549,7 @@ static int write_to_journal( if (journal_fd < 0) return 0; - log_do_header(header, sizeof(header), level, error, file, line, func, object_field, object); + log_do_header(header, sizeof(header), level, error, file, line, func, object_field, object, extra_field, extra); IOVEC_SET_STRING(iovec[0], header); IOVEC_SET_STRING(iovec[1], "MESSAGE="); @@ -570,10 +574,15 @@ static int log_dispatch( const char *func, const char *object_field, const char *object, + const char *extra, + const char *extra_field, char *buffer) { assert(buffer); + if (error < 0) + error = -error; + if (log_target == LOG_TARGET_NULL) return -error; @@ -581,9 +590,6 @@ static int log_dispatch( if ((level & LOG_FACMASK) == 0) level = log_facility | LOG_PRI(level); - if (error < 0) - error = -error; - do { char *e; int k = 0; @@ -601,7 +607,7 @@ static int log_dispatch( log_target == LOG_TARGET_JOURNAL_OR_KMSG || log_target == LOG_TARGET_JOURNAL) { - k = write_to_journal(level, error, file, line, func, object_field, object, buffer); + k = write_to_journal(level, error, file, line, func, object_field, object, extra_field, extra, buffer); if (k < 0) { if (k != -EAGAIN) log_close_journal(); @@ -613,7 +619,7 @@ static int log_dispatch( if (log_target == LOG_TARGET_SYSLOG_OR_KMSG || log_target == LOG_TARGET_SYSLOG) { - k = write_to_syslog(level, error, file, line, func, object_field, object, buffer); + k = write_to_syslog(level, error, file, line, func, buffer); if (k < 0) { if (k != -EAGAIN) log_close_syslog(); @@ -625,10 +631,10 @@ static int log_dispatch( (log_target == LOG_TARGET_AUTO || log_target == LOG_TARGET_SAFE || log_target == LOG_TARGET_SYSLOG_OR_KMSG || - /// UNNEEDED by elogind log_target == LOG_TARGET_JOURNAL_OR_KMSG || + log_target == LOG_TARGET_JOURNAL_OR_KMSG || log_target == LOG_TARGET_KMSG)) { - k = write_to_kmsg(level, error, file, line, func, object_field, object, buffer); + k = write_to_kmsg(level, error, file, line, func, buffer); if (k < 0) { log_close_kmsg(); log_open_console(); @@ -636,7 +642,7 @@ static int log_dispatch( } if (k <= 0) - (void) write_to_console(level, error, file, line, func, object_field, object, buffer); + (void) write_to_console(level, error, file, line, func, buffer); buffer = e; } while (buffer); @@ -662,7 +668,7 @@ int log_dump_internal( if (_likely_(LOG_PRI(level) > log_max_level)) return -error; - return log_dispatch(level, error, file, line, func, NULL, NULL, buffer); + return log_dispatch(level, error, file, line, func, NULL, NULL, NULL, NULL, buffer); } int log_internalv( @@ -689,7 +695,7 @@ int log_internalv( vsnprintf(buffer, sizeof(buffer), format, ap); - return log_dispatch(level, error, file, line, func, NULL, NULL, buffer); + return log_dispatch(level, error, file, line, func, NULL, NULL, NULL, NULL, buffer); } int log_internal( @@ -718,6 +724,8 @@ int log_object_internalv( const char *func, const char *object_field, const char *object, + const char *extra_field, + const char *extra, const char *format, va_list ap) { @@ -751,7 +759,7 @@ int log_object_internalv( vsnprintf(b, l, format, ap); - return log_dispatch(level, error, file, line, func, object_field, object, buffer); + return log_dispatch(level, error, file, line, func, object_field, object, extra_field, extra, buffer); } int log_object_internal( @@ -762,13 +770,15 @@ int log_object_internal( const char *func, const char *object_field, const char *object, + const char *extra_field, + const char *extra, const char *format, ...) { va_list ap; int r; va_start(ap, format); - r = log_object_internalv(level, error, file, line, func, object_field, object, format, ap); + r = log_object_internalv(level, error, file, line, func, object_field, object, extra_field, extra, format, ap); va_end(ap); return r; @@ -788,12 +798,12 @@ static void log_assert( return; DISABLE_WARNING_FORMAT_NONLITERAL; - snprintf(buffer, sizeof(buffer), format, text, file, line, func); + xsprintf(buffer, format, text, file, line, func); REENABLE_WARNING; log_abort_msg = buffer; - log_dispatch(level, 0, file, line, func, NULL, NULL, buffer); + log_dispatch(level, 0, file, line, func, NULL, NULL, NULL, NULL, buffer); } noreturn void log_assert_failed(const char *text, const char *file, int line, const char *func) { @@ -902,7 +912,7 @@ int log_struct_internal( bool fallback = false; /* If the journal is available do structured logging */ - log_do_header(header, sizeof(header), level, error, file, line, func, NULL, NULL); + log_do_header(header, sizeof(header), level, error, file, line, func, NULL, NULL, NULL, NULL); IOVEC_SET_STRING(iovec[n++], header); va_start(ap, format); @@ -950,7 +960,7 @@ int log_struct_internal( if (!found) return -error; - return log_dispatch(level, error, file, line, func, NULL, NULL, buf + 8); + return log_dispatch(level, error, file, line, func, NULL, NULL, NULL, NULL, buf + 8); } int log_set_target_from_string(const char *e) { @@ -975,7 +985,7 @@ int log_set_max_level_from_string(const char *e) { return 0; } -static int parse_proc_cmdline_item(const char *key, const char *value) { +static int parse_proc_cmdline_item(const char *key, const char *value, void *data) { /* * The systemd.log_xyz= settings are parsed by all tools, and @@ -1020,7 +1030,7 @@ void log_parse_environment(void) { /* Only try to read the command line in daemons. We assume that anything that has a controlling tty is user stuff. */ - (void) parse_proc_cmdline(parse_proc_cmdline_item); + (void) parse_proc_cmdline(parse_proc_cmdline_item, NULL, true); e = secure_getenv("SYSTEMD_LOG_TARGET"); if (e && log_set_target_from_string(e) < 0)