From 2d0b2e8765464bc9bf4d529e25bc11d862818077 Mon Sep 17 00:00:00 2001 From: Zbigniew Jędrzejewski-Szmek Date: Thu, 20 Jun 2013 22:25:49 -0400 Subject: journalctl,systemctl: show messages tagged with OBJECT_SYSTEMD_[USER_]_UNIT Replace mallocs with alloca while at it. --- src/shared/logs-show.c | 41 +++++++++++++++++++++++++++-------------- 1 file changed, 27 insertions(+), 14 deletions(-) (limited to 'src') diff --git a/src/shared/logs-show.c b/src/shared/logs-show.c index 7240f33590..91b2bec159 100644 --- a/src/shared/logs-show.c +++ b/src/shared/logs-show.c @@ -911,15 +911,15 @@ finish: int add_matches_for_unit(sd_journal *j, const char *unit) { int r; - _cleanup_free_ char *m1 = NULL, *m2 = NULL, *m3 = NULL; + char *m1, *m2, *m3, *m4; assert(j); assert(unit); - if (asprintf(&m1, "_SYSTEMD_UNIT=%s", unit) < 0 || - asprintf(&m2, "COREDUMP_UNIT=%s", unit) < 0 || - asprintf(&m3, "UNIT=%s", unit) < 0) - return -ENOMEM; + m1 = strappenda("_SYSTEMD_UNIT=", unit); + m2 = strappenda("COREDUMP_UNIT=", unit); + m3 = strappenda("UNIT=", unit); + m4 = strappenda("OBJECT_SYSTEMD_UNIT=", unit); (void)( /* Look for messages from the service itself */ @@ -934,38 +934,51 @@ int add_matches_for_unit(sd_journal *j, const char *unit) { /* Look for messages from PID 1 about this service */ (r = sd_journal_add_disjunction(j)) || (r = sd_journal_add_match(j, "_PID=1", 0)) || - (r = sd_journal_add_match(j, m3, 0)) + (r = sd_journal_add_match(j, m3, 0)) || + + /* Look for messages from authorized daemons about this service */ + (r = sd_journal_add_disjunction(j)) || + (r = sd_journal_add_match(j, "_UID=0", 0)) || + (r = sd_journal_add_match(j, m4, 0)) ); + return r; } int add_matches_for_user_unit(sd_journal *j, const char *unit, uid_t uid) { int r; - _cleanup_free_ char *m1 = NULL, *m2 = NULL, *m3 = NULL, *m4 = NULL; + char *m1, *m2, *m3, *m4; + char muid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)]; assert(j); assert(unit); - if (asprintf(&m1, "_SYSTEMD_USER_UNIT=%s", unit) < 0 || - asprintf(&m2, "USER_UNIT=%s", unit) < 0 || - asprintf(&m3, "COREDUMP_USER_UNIT=%s", unit) < 0 || - asprintf(&m4, "_UID=%d", uid) < 0) - return -ENOMEM; + m1 = strappenda("_SYSTEMD_USER_UNIT=", unit); + m2 = strappenda("USER_UNIT=", unit); + m3 = strappenda("COREDUMP_USER_UNIT=", unit); + m4 = strappenda("OBJECT_SYSTEMD_USER_UNIT=", unit); + sprintf(muid, "_UID=%lu", (unsigned long) uid); (void) ( /* Look for messages from the user service itself */ (r = sd_journal_add_match(j, m1, 0)) || - (r = sd_journal_add_match(j, m4, 0)) || + (r = sd_journal_add_match(j, muid, 0)) || /* Look for messages from systemd about this service */ (r = sd_journal_add_disjunction(j)) || (r = sd_journal_add_match(j, m2, 0)) || - (r = sd_journal_add_match(j, m4, 0)) || + (r = sd_journal_add_match(j, muid, 0)) || /* Look for coredumps of the service */ (r = sd_journal_add_disjunction(j)) || (r = sd_journal_add_match(j, m3, 0)) || + (r = sd_journal_add_match(j, muid, 0)) || + (r = sd_journal_add_match(j, "_UID=0", 0)) || + + /* Look for messages from authorized daemons about this service */ + (r = sd_journal_add_disjunction(j)) || (r = sd_journal_add_match(j, m4, 0)) || + (r = sd_journal_add_match(j, muid, 0)) || (r = sd_journal_add_match(j, "_UID=0", 0)) ); return r; -- cgit v1.2.3-54-g00ecf