tree-wide: make parse_proc_cmdline() strip "rd." prefix automatically

[elogind.git] / src / basic / log.c

diff --git a/src/basic/log.c b/src/basic/log.c
index 1b8374cfdc10eec9a745da45d1aca50a43eb4fc9..321c1bd20ee62ee1f79021651bc1671fa1c12e45 100644 (file)
--- 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
@@ -342,11 +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;
@@ -355,14 +353,14 @@ 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);
         }
 
         highlight = LOG_PRI(level) <= LOG_ERR && show_color;
 
         if (show_location) {
-                xsprintf(location, "(%s:%i) ", file, line);
+                snprintf(location, sizeof(location), "(%s:%i) ", file, line);
                 IOVEC_SET_STRING(iovec[n++], location);
         }
 
@@ -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;
@@ -796,7 +803,7 @@ static void log_assert(
 
         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)