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-rw-r--r--src/journal/journald-server.c163
1 files changed, 129 insertions, 34 deletions
diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
index de96040242..ae65f02895 100644
--- a/src/journal/journald-server.c
+++ b/src/journal/journald-server.c
@@ -499,24 +499,33 @@ static void dispatch_message_real(
struct ucred *ucred,
struct timeval *tv,
const char *label, size_t label_len,
- const char *unit_id) {
+ const char *unit_id,
+ pid_t object_pid) {
- char pid[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t)],
+ char pid[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t)],
uid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)],
gid[sizeof("_GID=") + DECIMAL_STR_MAX(gid_t)],
owner_uid[sizeof("_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)],
source_time[sizeof("_SOURCE_REALTIME_TIMESTAMP=") + DECIMAL_STR_MAX(usec_t)],
boot_id[sizeof("_BOOT_ID=") + 32] = "_BOOT_ID=",
- machine_id[sizeof("_MACHINE_ID=") + 32] = "_MACHINE_ID=";
- char *comm, *exe, *cmdline, *cgroup, *session, *unit, *hostname;
+ machine_id[sizeof("_MACHINE_ID=") + 32] = "_MACHINE_ID=",
+ o_uid[sizeof("OBJECT_UID=") + DECIMAL_STR_MAX(uid_t)],
+ o_gid[sizeof("OBJECT_GID=") + DECIMAL_STR_MAX(gid_t)],
+ o_owner_uid[sizeof("OBJECT_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)];
+ uid_t object_uid;
+ gid_t object_gid;
+
+ char *x;
sd_id128_t id;
int r;
char *t, *c;
uid_t realuid = 0, owner = 0, journal_uid;
bool owner_valid = false;
#ifdef HAVE_AUDIT
- char audit_session[sizeof("_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],
- audit_loginuid[sizeof("_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)];
+ char audit_session[sizeof("_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],
+ audit_loginuid[sizeof("_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)],
+ o_audit_session[sizeof("OBJECT_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],
+ o_audit_loginuid[sizeof("OBJECT_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)];
uint32_t audit;
uid_t loginuid;
@@ -525,7 +534,7 @@ static void dispatch_message_real(
assert(s);
assert(iovec);
assert(n > 0);
- assert(n + N_IOVEC_META_FIELDS <= m);
+ assert(n + N_IOVEC_META_FIELDS + (object_pid ? N_IOVEC_OBJECT_FIELDS : 0) <= m);
if (ucred) {
realuid = ucred->uid;
@@ -541,23 +550,23 @@ static void dispatch_message_real(
r = get_process_comm(ucred->pid, &t);
if (r >= 0) {
- comm = strappenda("_COMM=", t);
+ x = strappenda("_COMM=", t);
free(t);
- IOVEC_SET_STRING(iovec[n++], comm);
+ IOVEC_SET_STRING(iovec[n++], x);
}
r = get_process_exe(ucred->pid, &t);
if (r >= 0) {
- exe = strappenda("_EXE=", t);
+ x = strappenda("_EXE=", t);
free(t);
- IOVEC_SET_STRING(iovec[n++], exe);
+ IOVEC_SET_STRING(iovec[n++], x);
}
r = get_process_cmdline(ucred->pid, 0, false, &t);
if (r >= 0) {
- cmdline = strappenda("_CMDLINE=", t);
+ x = strappenda("_CMDLINE=", t);
free(t);
- IOVEC_SET_STRING(iovec[n++], cmdline);
+ IOVEC_SET_STRING(iovec[n++], x);
}
#ifdef HAVE_AUDIT
@@ -576,8 +585,10 @@ static void dispatch_message_real(
r = cg_pid_get_path_shifted(ucred->pid, NULL, &c);
if (r >= 0) {
- cgroup = strappenda("_SYSTEMD_CGROUP=", c);
- IOVEC_SET_STRING(iovec[n++], cgroup);
+ char *session = NULL;
+
+ x = strappenda("_SYSTEMD_CGROUP=", c);
+ IOVEC_SET_STRING(iovec[n++], x);
r = cg_path_get_session(c, &t);
if (r >= 0) {
@@ -594,43 +605,126 @@ static void dispatch_message_real(
}
if (cg_path_get_unit(c, &t) >= 0) {
- unit = strappenda("_SYSTEMD_UNIT=", t);
+ x = strappenda("_SYSTEMD_UNIT=", t);
free(t);
} else if (cg_path_get_user_unit(c, &t) >= 0) {
- unit = strappenda("_SYSTEMD_USER_UNIT=", t);
+ x = strappenda("_SYSTEMD_USER_UNIT=", t);
free(t);
} else if (unit_id) {
if (session)
- unit = strappenda("_SYSTEMD_USER_UNIT=", unit_id);
+ x = strappenda("_SYSTEMD_USER_UNIT=", unit_id);
else
- unit = strappenda("_SYSTEMD_UNIT=", unit_id);
+ x = strappenda("_SYSTEMD_UNIT=", unit_id);
} else
- unit = NULL;
+ x = NULL;
- if (unit)
- IOVEC_SET_STRING(iovec[n++], unit);
+ if (x)
+ IOVEC_SET_STRING(iovec[n++], x);
free(c);
}
#ifdef HAVE_SELINUX
if (label) {
- char *selinux_context = alloca(sizeof("_SELINUX_CONTEXT=") + label_len);
+ x = alloca(sizeof("_SELINUX_CONTEXT=") + label_len);
- *((char*) mempcpy(stpcpy(selinux_context, "_SELINUX_CONTEXT="), label, label_len)) = 0;
- IOVEC_SET_STRING(iovec[n++], selinux_context);
+ *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0;
+ IOVEC_SET_STRING(iovec[n++], x);
} else {
security_context_t con;
if (getpidcon(ucred->pid, &con) >= 0) {
- char *selinux_context = strappenda("_SELINUX_CONTEXT=", con);
+ x = strappenda("_SELINUX_CONTEXT=", con);
freecon(con);
- IOVEC_SET_STRING(iovec[n++], selinux_context);
+ IOVEC_SET_STRING(iovec[n++], x);
}
}
#endif
}
+ assert(n <= m);
+
+ if (object_pid) {
+ r = get_process_uid(object_pid, &object_uid);
+ if (r >= 0) {
+ sprintf(o_uid, "OBJECT_UID=%lu", (unsigned long) object_uid);
+ IOVEC_SET_STRING(iovec[n++], o_uid);
+ }
+
+ r = get_process_gid(object_pid, &object_gid);
+ if (r >= 0) {
+ sprintf(o_gid, "OBJECT_GID=%lu", (unsigned long) object_gid);
+ IOVEC_SET_STRING(iovec[n++], o_gid);
+ }
+
+ r = get_process_comm(object_pid, &t);
+ if (r >= 0) {
+ x = strappenda("OBJECT_COMM=", t);
+ free(t);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
+ r = get_process_exe(object_pid, &t);
+ if (r >= 0) {
+ x = strappenda("OBJECT_EXE=", t);
+ free(t);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
+ r = get_process_cmdline(object_pid, 0, false, &t);
+ if (r >= 0) {
+ x = strappenda("OBJECT_CMDLINE=", t);
+ free(t);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
+#ifdef HAVE_AUDIT
+ r = audit_session_from_pid(object_pid, &audit);
+ if (r >= 0) {
+ sprintf(o_audit_session, "OBJECT_AUDIT_SESSION=%lu", (unsigned long) audit);
+ IOVEC_SET_STRING(iovec[n++], o_audit_session);
+ }
+
+ r = audit_loginuid_from_pid(object_pid, &loginuid);
+ if (r >= 0) {
+ sprintf(o_audit_loginuid, "OBJECT_AUDIT_LOGINUID=%lu", (unsigned long) loginuid);
+ IOVEC_SET_STRING(iovec[n++], o_audit_loginuid);
+ }
+#endif
+
+ r = cg_pid_get_path_shifted(object_pid, NULL, &c);
+ if (r >= 0) {
+ x = strappenda("OBJECT_SYSTEMD_CGROUP=", c);
+ IOVEC_SET_STRING(iovec[n++], x);
+
+ r = cg_path_get_session(c, &t);
+ if (r >= 0) {
+ x = strappenda("OBJECT_SYSTEMD_SESSION=", t);
+ free(t);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
+ if (cg_path_get_owner_uid(c, &owner) >= 0) {
+ sprintf(o_owner_uid, "OBJECT_SYSTEMD_OWNER_UID=%lu", (unsigned long) owner);
+ IOVEC_SET_STRING(iovec[n++], o_owner_uid);
+ }
+
+ if (cg_path_get_unit(c, &t) >= 0) {
+ x = strappenda("OBJECT_SYSTEMD_UNIT=", t);
+ free(t);
+ } else if (cg_path_get_user_unit(c, &t) >= 0) {
+ x = strappenda("OBJECT_SYSTEMD_USER_UNIT=", t);
+ free(t);
+ } else
+ x = NULL;
+
+ if (x)
+ IOVEC_SET_STRING(iovec[n++], x);
+
+ free(c);
+ }
+ }
+ assert(n <= m);
if (tv) {
sprintf(source_time, "_SOURCE_REALTIME_TIMESTAMP=%llu", (unsigned long long) timeval_load(tv));
@@ -642,21 +736,21 @@ static void dispatch_message_real(
* anyway. However, we need this indexed, too. */
r = sd_id128_get_boot(&id);
if (r >= 0) {
- sd_id128_to_string(id, boot_id + sizeof("_BOOT_ID=") - 1);
+ sd_id128_to_string(id, boot_id + strlen("_BOOT_ID="));
IOVEC_SET_STRING(iovec[n++], boot_id);
}
r = sd_id128_get_machine(&id);
if (r >= 0) {
- sd_id128_to_string(id, machine_id + sizeof("_MACHINE_ID=") - 1);
+ sd_id128_to_string(id, machine_id + strlen("_MACHINE_ID="));
IOVEC_SET_STRING(iovec[n++], machine_id);
}
t = gethostname_malloc();
if (t) {
- hostname = strappenda("_HOSTNAME=", t);
+ x = strappenda("_HOSTNAME=", t);
free(t);
- IOVEC_SET_STRING(iovec[n++], hostname);
+ IOVEC_SET_STRING(iovec[n++], x);
}
assert(n <= m);
@@ -709,7 +803,7 @@ void server_driver_message(Server *s, sd_id128_t message_id, const char *format,
ucred.uid = getuid();
ucred.gid = getgid();
- dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL);
+ dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, 0);
}
void server_dispatch_message(
@@ -719,7 +813,8 @@ void server_dispatch_message(
struct timeval *tv,
const char *label, size_t label_len,
const char *unit_id,
- int priority) {
+ int priority,
+ pid_t object_pid) {
int rl, r;
_cleanup_free_ char *path = NULL;
@@ -769,7 +864,7 @@ void server_dispatch_message(
"Suppressed %u messages from %s", rl - 1, path);
finish:
- dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id);
+ dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, object_pid);
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-23 03:39:16 +0000