Hi, Changelog of v2: ================ * No change.
A process name is changed when execve(2), so a new rule based on process name should be applied when execve(2) happens. Then this patch adds an EXEC event to the event handler. Thanks Ken'ichi Ohmichi Signed-off-by: Ken'ichi Ohmichi <[email protected]> --- src/daemon/cgrulesengd.c | 33 ++++++++++++++++++++++++--------- 1 files changed, 24 insertions(+), 9 deletions(-) diff --git a/src/daemon/cgrulesengd.c b/src/daemon/cgrulesengd.c index ff09ca0..be91bbc 100644 --- a/src/daemon/cgrulesengd.c +++ b/src/daemon/cgrulesengd.c @@ -225,7 +225,7 @@ static int cgre_was_parent_changed_when_forking(const struct proc_event *ev) return 0; } -static int cgre_change_cgroup_uid_gid(const uid_t uid, const gid_t gid, +static int cgre_change_cgroup(const uid_t uid, const gid_t gid, char *procname, const pid_t pid) { int ret; @@ -239,7 +239,7 @@ static int cgre_change_cgroup_uid_gid(const uid_t uid, const gid_t gid, sigaddset(&sigset, SIGUSR2); sigprocmask(SIG_BLOCK, &sigset, NULL); - ret = cgroup_change_cgroup_uid_gid_flags(uid, gid, pid, + ret = cgroup_change_cgroup_flags(uid, gid, procname, pid, CGFLAG_USECACHE); sigprocmask(SIG_UNBLOCK, &sigset, NULL); @@ -256,6 +256,7 @@ static int cgre_change_cgroup_uid_gid(const uid_t uid, const gid_t gid, */ int cgre_process_event(const struct proc_event *ev, const int type) { + char *procname; pid_t pid = 0, log_pid = 0; uid_t euid, log_uid = 0; gid_t egid, log_gid = 0; @@ -276,6 +277,9 @@ int cgre_process_event(const struct proc_event *ev, const int type) return 0; pid = ev->event_data.fork.child_pid; break; + case PROC_EVENT_EXEC: + pid = ev->event_data.exec.process_pid; + break; default: break; } @@ -287,6 +291,10 @@ int cgre_process_event(const struct proc_event *ev, const int type) else if (ret) return ret; + procname = cgroup_get_procname_from_procfs(pid); + if (procname == NULL) + return 0; + /* * Now that we have the UID, the GID, and the PID, we can make a call * to libcgroup to change the cgroup for this PID. @@ -296,25 +304,25 @@ int cgre_process_event(const struct proc_event *ev, const int type) case PROC_EVENT_UID: log_uid = ev->event_data.id.e.euid; log_gid = egid; - ret = cgre_change_cgroup_uid_gid( - ev->event_data.id.e.euid, - egid, pid); + euid = ev->event_data.id.e.euid; break; case PROC_EVENT_GID: log_uid = euid; log_gid = ev->event_data.id.e.egid; - ret = cgre_change_cgroup_uid_gid(euid, - ev->event_data.id.e.egid, pid); + egid = ev->event_data.id.e.egid; break; case PROC_EVENT_FORK: log_uid = euid; log_gid = egid; - ret = cgre_change_cgroup_uid_gid(euid, egid, pid); + break; + case PROC_EVENT_EXEC: + log_uid = euid; + log_gid = egid; break; default: break; } - + ret = cgre_change_cgroup(euid, egid, procname, pid); if (ret) { if ((ret != ECGOTHER) || (errno != ESRCH)) { flog(LOG_WARNING, "Cgroup change for PID: %d, UID: %d,", @@ -326,6 +334,7 @@ int cgre_process_event(const struct proc_event *ev, const int type) flog(LOG_INFO, "Cgroup change for PID: %d, UID: %d, GID: %d OK", log_pid, log_uid, log_gid); } + free(procname); return ret; } @@ -366,6 +375,12 @@ int cgre_handle_msg(struct cn_msg *cn_hdr) case PROC_EVENT_FORK: ret = cgre_process_event(ev, PROC_EVENT_FORK); break; + case PROC_EVENT_EXEC: + flog(LOG_DEBUG, "EXEC Event: PID = %d, tGID = %d", + ev->event_data.exec.process_pid, + ev->event_data.exec.process_tgid); + ret = cgre_process_event(ev, PROC_EVENT_EXEC); + break; default: break; } ------------------------------------------------------------------------------ OpenSolaris 2009.06 is a cutting edge operating system for enterprises looking to deploy the next generation of Solaris that includes the latest innovations from Sun and the OpenSource community. Download a copy and enjoy capabilities such as Networking, Storage and Virtualization. Go to: http://p.sf.net/sfu/opensolaris-get _______________________________________________ Libcg-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libcg-devel
