diff options
Diffstat (limited to 'src/journal')
-rw-r--r-- | src/journal/journald-server.c | 80 | ||||
-rw-r--r-- | src/journal/journald-server.h | 4 |
2 files changed, 74 insertions, 10 deletions
diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c index a762558e3d..f01cf1d937 100644 --- a/src/journal/journald-server.c +++ b/src/journal/journald-server.c @@ -44,6 +44,7 @@ #include "fs-util.h" #include "hashmap.h" #include "hostname-util.h" +#include "id128-util.h" #include "io-util.h" #include "journal-authenticate.h" #include "journal-file.h" @@ -56,6 +57,7 @@ #include "journald-server.h" #include "journald-stream.h" #include "journald-syslog.h" +#include "log.h" #include "missing.h" #include "mkdir.h" #include "parse-util.h" @@ -69,7 +71,6 @@ #include "string-table.h" #include "string-util.h" #include "user-util.h" -#include "log.h" #define USER_JOURNALS_MAX 1024 @@ -675,6 +676,44 @@ static void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned server_schedule_sync(s, priority); } +static int get_invocation_id(const char *cgroup_root, const char *slice, const char *unit, char **ret) { + _cleanup_free_ char *escaped = NULL, *slice_path = NULL, *p = NULL; + char *copy, ids[SD_ID128_STRING_MAX]; + int r; + + /* Read the invocation ID of a unit off a unit. It's stored in the "trusted.invocation_id" extended attribute + * on the cgroup path. */ + + r = cg_slice_to_path(slice, &slice_path); + if (r < 0) + return r; + + escaped = cg_escape(unit); + if (!escaped) + return -ENOMEM; + + p = strjoin(cgroup_root, "/", slice_path, "/", escaped, NULL); + if (!p) + return -ENOMEM; + + r = cg_get_xattr(SYSTEMD_CGROUP_CONTROLLER, p, "trusted.invocation_id", ids, 32); + if (r < 0) + return r; + if (r != 32) + return -EINVAL; + ids[32] = 0; + + if (!id128_is_valid(ids)) + return -EINVAL; + + copy = strdup(ids); + if (!copy) + return -ENOMEM; + + *ret = copy; + return 0; +} + static void dispatch_message_real( Server *s, struct iovec *iovec, unsigned n, unsigned m, @@ -713,7 +752,7 @@ static void dispatch_message_real( assert(s); assert(iovec); assert(n > 0); - assert(n + N_IOVEC_META_FIELDS + (object_pid ? N_IOVEC_OBJECT_FIELDS : 0) <= m); + assert(n + N_IOVEC_META_FIELDS + (object_pid > 0 ? N_IOVEC_OBJECT_FIELDS : 0) <= m); if (ucred) { realuid = ucred->uid; @@ -771,6 +810,7 @@ static void dispatch_message_real( r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &c); if (r >= 0) { + _cleanup_free_ char *raw_unit = NULL, *raw_slice = NULL; char *session = NULL; x = strjoina("_SYSTEMD_CGROUP=", c); @@ -790,9 +830,8 @@ static void dispatch_message_real( IOVEC_SET_STRING(iovec[n++], owner_uid); } - if (cg_path_get_unit(c, &t) >= 0) { - x = strjoina("_SYSTEMD_UNIT=", t); - free(t); + if (cg_path_get_unit(c, &raw_unit) >= 0) { + x = strjoina("_SYSTEMD_UNIT=", raw_unit); IOVEC_SET_STRING(iovec[n++], x); } else if (unit_id && !session) { x = strjoina("_SYSTEMD_UNIT=", unit_id); @@ -808,12 +847,25 @@ static void dispatch_message_real( IOVEC_SET_STRING(iovec[n++], x); } - if (cg_path_get_slice(c, &t) >= 0) { - x = strjoina("_SYSTEMD_SLICE=", t); + if (cg_path_get_slice(c, &raw_slice) >= 0) { + x = strjoina("_SYSTEMD_SLICE=", raw_slice); + IOVEC_SET_STRING(iovec[n++], x); + } + + if (cg_path_get_user_slice(c, &t) >= 0) { + x = strjoina("_SYSTEMD_USER_SLICE=", t); free(t); IOVEC_SET_STRING(iovec[n++], x); } + if (raw_slice && raw_unit) { + if (get_invocation_id(s->cgroup_root, raw_slice, raw_unit, &t) >= 0) { + x = strjoina("_SYSTEMD_INVOCATION_ID=", t); + free(t); + IOVEC_SET_STRING(iovec[n++], x); + } + } + free(c); } else if (unit_id) { x = strjoina("_SYSTEMD_UNIT=", unit_id); @@ -919,13 +971,25 @@ static void dispatch_message_real( IOVEC_SET_STRING(iovec[n++], x); } + if (cg_path_get_slice(c, &t) >= 0) { + x = strjoina("OBJECT_SYSTEMD_SLICE=", t); + free(t); + IOVEC_SET_STRING(iovec[n++], x); + } + + if (cg_path_get_user_slice(c, &t) >= 0) { + x = strjoina("OBJECT_SYSTEMD_USER_SLICE=", t); + free(t); + 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)); + sprintf(source_time, "_SOURCE_REALTIME_TIMESTAMP=" USEC_FMT, timeval_load(tv)); IOVEC_SET_STRING(iovec[n++], source_time); } diff --git a/src/journal/journald-server.h b/src/journal/journald-server.h index d2a32ab422..dfb5724794 100644 --- a/src/journal/journald-server.h +++ b/src/journal/journald-server.h @@ -153,10 +153,10 @@ struct Server { #define SERVER_MACHINE_ID(s) ((s)->machine_id_field + strlen("_MACHINE_ID=")) -#define N_IOVEC_META_FIELDS 20 +#define N_IOVEC_META_FIELDS 22 #define N_IOVEC_KERNEL_FIELDS 64 #define N_IOVEC_UDEV_FIELDS 32 -#define N_IOVEC_OBJECT_FIELDS 12 +#define N_IOVEC_OBJECT_FIELDS 14 #define N_IOVEC_PAYLOAD_FIELDS 15 void server_dispatch_message(Server *s, struct iovec *iovec, unsigned n, unsigned m, const struct ucred *ucred, const struct timeval *tv, const char *label, size_t label_len, const char *unit_id, int priority, pid_t object_pid); |