forked from pool/systemd
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OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=480
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@ -6,65 +6,57 @@ Avoid a busy systemd-journald due polling a broken /dec/kmsg in lxc
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environments.
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---
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journald-kmsg.c | 27 ++++++++++++++++++++++++++-
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1 file changed, 26 insertions(+), 1 deletion(-)
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journald-kmsg.c | 18 +++++++++++++++---
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1 file changed, 15 insertions(+), 3 deletions(-)
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Index: systemd-208/src/journal/journald-kmsg.c
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===================================================================
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--- systemd-208/src/journal/journald-kmsg.c
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+++ systemd-208/src/journal/journald-kmsg.c 2013-11-21 13:30:22.930735683 +0000
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@@ -23,7 +23,9 @@
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#include <sys/epoll.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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+#include <sys/stat.h>
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#include <sys/socket.h>
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+#include <sys/types.h>
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#include <systemd/sd-messages.h>
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#include <libudev.h>
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@@ -377,20 +379,43 @@ int server_flush_dev_kmsg(Server *s) {
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+++ systemd-208/src/journal/journald-kmsg.c 2013-12-20 11:34:39.762236175 +0000
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@@ -377,15 +377,18 @@ int server_flush_dev_kmsg(Server *s) {
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int server_open_dev_kmsg(Server *s) {
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struct epoll_event ev;
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+ struct stat st;
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+ int r;
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assert(s);
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s->dev_kmsg_fd = open("/dev/kmsg", O_RDWR|O_CLOEXEC|O_NONBLOCK|O_NOCTTY);
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if (s->dev_kmsg_fd < 0) {
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- log_warning("Failed to open /dev/kmsg, ignoring: %m");
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+ /* Do not warn as it may not exists in LXC environments */
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+ if (errno != ENOENT)
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+ log_warning("Failed to open /dev/kmsg, ignoring: %m");
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+ log_full(errno == ENOENT ? LOG_DEBUG : LOG_WARNING,
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+ "Failed to open /dev/kmsg, ignoring: %m");
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return 0;
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}
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+ if (fstat(s->dev_kmsg_fd, &st) < 0) {
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+ log_error("Failed to stat /dev/kmsg fd, ignoring: %m");
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+ close_nointr_nofail(s->dev_kmsg_fd);
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+ s->dev_kmsg_fd = -1;
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+ return 0;
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+ }
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+
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+ if (!S_ISCHR(st.st_mode) || major(st.st_rdev) != 1 || minor(st.st_rdev) != 11) {
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+ int old_errno = errno;
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+ errno = ENODEV;
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+ log_warning("Irregular device /dev/kmsg, ignoring: %m");
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+ errno = old_errno;
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+ close_nointr_nofail(s->dev_kmsg_fd);
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+ s->dev_kmsg_fd = -1;
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+ return 0;
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+ }
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+
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+ r = 0;
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zero(ev);
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ev.events = EPOLLIN;
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ev.data.fd = s->dev_kmsg_fd;
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if (epoll_ctl(s->epoll_fd, EPOLL_CTL_ADD, s->dev_kmsg_fd, &ev) < 0) {
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+ close_nointr_nofail(s->dev_kmsg_fd);
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+ s->dev_kmsg_fd = -1;
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+
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@@ -394,15 +397,24 @@ int server_open_dev_kmsg(Server *s) {
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/* This will fail with EPERM on older kernels where
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* /dev/kmsg is not readable. */
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if (errno == EPERM)
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- return 0;
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+ goto fail;
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log_error("Failed to add /dev/kmsg fd to epoll object: %m");
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- return -errno;
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+ r = -errno;
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+ goto fail;
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}
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s->dev_kmsg_readable = true;
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return 0;
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+
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+fail:
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+ if (s->dev_kmsg_fd >= 0) {
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+ close_nointr_nofail(s->dev_kmsg_fd);
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+ s->dev_kmsg_fd = -1;
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+ }
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+
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+ return r;
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}
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int server_open_kernel_seqnum(Server *s) {
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@ -157,12 +157,12 @@ Based on upstream baae0358f349870544884e405e82e4be7d8add9f
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+ pam_syslog(handle, LOG_ERR, "Failed to set runtime dir.");
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+ goto finish;
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+ }
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+ } else {
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+ (void) unsetenv("XDG_RUNTIME_DIR");
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+ } else if (getenv("XDG_RUNTIME_DIR")) {
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+ r = pam_putenv(handle, "XDG_RUNTIME_DIR");
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+ if (r != PAM_SUCCESS && r != PAM_BAD_ITEM) {
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+ pam_syslog(handle, LOG_ERR, "Failed to unset runtime dir.");
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+ }
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+ (void) unsetenv("XDG_RUNTIME_DIR");
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}
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if (!isempty(seat)) {
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@ -588,6 +588,9 @@ export V=1
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--with-debug-shell=/bin/bash \
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--disable-smack \
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--disable-ima \
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%if 0%{?suse_version} > 1310
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--disable-multi-seat-x \
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%endif
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CFLAGS="%{optflags}"
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make %{?_smp_mflags}
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@ -1,3 +1,14 @@
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-------------------------------------------------------------------
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Fri Dec 20 12:06:18 UTC 2013 - werner@suse.de
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- Adapt patch
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1011-check-4-valid-kmsg-device.patch
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to fit current upstream version maybe related to bnc#854884
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- Change patch
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1012-pam_systemd_do_override_XDG_RUNTIME_DIR_of_the_original_user.patch
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to check if XDG_RUNTIME_DIR is set before the call of pam_putenv()
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may fix bnc#855160
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-------------------------------------------------------------------
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Fri Dec 20 09:40:01 UTC 2013 - lbsousajr@gmail.com
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