X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fbasic%2Flog.c;h=d84c9bf116b43c88d239079663e4e9f3ed235385;hb=70f7776c6e8c549e13adf858c57fe339583c7cec;hp=da6aa409b5b99b7ebef64f2420627db857fe9b1a;hpb=93b089be778452f2c34c468666b1f5646d64d331;p=elogind.git diff --git a/src/basic/log.c b/src/basic/log.c index da6aa409b..d84c9bf11 100644 --- a/src/basic/log.c +++ b/src/basic/log.c @@ -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 @@ -342,8 +342,6 @@ 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[256], prefix[1 + DECIMAL_STR_MAX(int) + 2]; @@ -355,7 +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); } @@ -402,8 +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], @@ -465,8 +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], @@ -498,7 +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" @@ -508,6 +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), @@ -526,6 +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; @@ -539,6 +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]; @@ -548,7 +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="); @@ -573,10 +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; @@ -584,9 +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; @@ -604,7 +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(); @@ -616,7 +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(); @@ -631,7 +634,7 @@ static int log_dispatch( 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(); @@ -639,7 +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); @@ -665,7 +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( @@ -692,7 +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( @@ -721,6 +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) { @@ -754,7 +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( @@ -765,13 +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; @@ -791,12 +798,12 @@ static void log_assert( return; DISABLE_WARNING_FORMAT_NONLITERAL; - xsprintf(buffer, format, text, file, line, func); + snprintf(buffer, sizeof 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) { @@ -905,7 +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); @@ -953,7 +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) { @@ -978,7 +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 @@ -1023,7 +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)