From 8a0f04e6a283cc6734ee09a20305c13e09ba0418 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 11 Jan 2012 22:45:05 +0100 Subject: [PATCH] journal: add SELinux context to all logged messages --- src/journal/journald.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/src/journal/journald.c b/src/journal/journald.c index 33865b81..56cd3131 100644 --- a/src/journal/journald.c +++ b/src/journal/journald.c @@ -52,6 +52,10 @@ #include "acl-util.h" #endif +#ifdef HAVE_SELINUX +#include +#endif + #define USER_JOURNALS_MAX 1024 #define STDOUT_STREAMS_MAX 4096 @@ -64,7 +68,7 @@ #define SYSLOG_TIMEOUT_USEC (250*USEC_PER_MSEC) -#define N_IOVEC_META_FIELDS 16 +#define N_IOVEC_META_FIELDS 17 typedef enum StdoutStreamState { STDOUT_STREAM_IDENTIFIER, @@ -436,7 +440,7 @@ static void dispatch_message_real(Server *s, *comm = NULL, *cmdline = NULL, *hostname = NULL, *audit_session = NULL, *audit_loginuid = NULL, *exe = NULL, *cgroup = NULL, *session = NULL, - *owner_uid = NULL, *unit = NULL; + *owner_uid = NULL, *unit = NULL, *selinux_context = NULL; char idbuf[33]; sd_id128_t id; @@ -454,6 +458,9 @@ static void dispatch_message_real(Server *s, if (ucred) { uint32_t audit; uid_t owner; +#ifdef HAVE_SELINUX + security_context_t con; +#endif realuid = ucred->uid; @@ -531,6 +538,16 @@ static void dispatch_message_real(Server *s, if (sd_pid_get_owner_uid(ucred->uid, &owner) >= 0) if (asprintf(&owner_uid, "_SYSTEMD_OWNER_UID=%lu", (unsigned long) owner) >= 0) IOVEC_SET_STRING(iovec[n++], owner_uid); + +#ifdef HAVE_SELINUX + if (getpidcon(ucred->pid, &con) >= 0) { + selinux_context = strappend("_SELINUX_CONTEXT=", con); + if (selinux_context) + IOVEC_SET_STRING(iovec[n++], selinux_context); + + freecon(con); + } +#endif } if (tv) { @@ -602,6 +619,7 @@ retry: free(session); free(owner_uid); free(unit); + free(selinux_context); } static void driver_message(Server *s, sd_id128_t message_id, const char *format, ...) { -- 2.39.5