#include "journald-stream.h"
#include "journald-console.h"
#include "journald-native.h"
+#include "selinux-util.h"
#ifdef HAVE_ACL
#include <sys/acl.h>
return s->cached_available_space;
}
-static void server_read_file_gid(Server *s) {
- const char *g = "systemd-journal";
- int r;
-
- assert(s);
-
- if (s->file_gid_valid)
- return;
-
- r = get_group_creds(&g, &s->file_gid);
- if (r < 0)
- log_warning("Failed to resolve '%s' group: %s", g, strerror(-r));
-
- /* if we couldn't read the gid, then it will be 0, but that's
- * fine and we shouldn't try to resolve the group again, so
- * let's just pretend it worked right-away. */
- s->file_gid_valid = true;
-}
-
void server_fix_perms(Server *s, JournalFile *f, uid_t uid) {
int r;
#ifdef HAVE_ACL
assert(f);
- server_read_file_gid(s);
-
- r = fchmod_and_fchown(f->fd, 0640, 0, s->file_gid);
+ r = fchmod(f->fd, 0640);
if (r < 0)
- log_warning("Failed to fix access mode/rights on %s, ignoring: %s", f->path, strerror(-r));
+ log_warning("Failed to fix access mode on %s, ignoring: %s", f->path, strerror(-r));
#ifdef HAVE_ACL
if (uid <= 0)
if (r < 0)
if (f)
log_error("Failed to rotate %s: %s", f->path, strerror(-r));
- else
+ else {
log_error("Failed to create user journal: %s", strerror(-r));
+ hashmap_remove(s->user_journals, k);
+ }
else {
hashmap_replace(s->user_journals, k, f);
server_fix_perms(s, f, PTR_TO_UINT32(k));
IOVEC_SET_STRING(iovec[n++], x);
}
+ if (cg_path_get_slice(c, &t) >= 0) {
+ x = strappenda("_SYSTEMD_SLICE=", t);
+ free(t);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
free(c);
}
#ifdef HAVE_SELINUX
- if (label) {
- x = alloca(sizeof("_SELINUX_CONTEXT=") + label_len);
+ if (use_selinux()) {
+ if (label) {
+ x = alloca(sizeof("_SELINUX_CONTEXT=") + label_len);
- *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0;
- IOVEC_SET_STRING(iovec[n++], x);
- } else {
- security_context_t con;
+ *((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) {
- x = strappenda("_SELINUX_CONTEXT=", con);
+ if (getpidcon(ucred->pid, &con) >= 0) {
+ x = strappenda("_SELINUX_CONTEXT=", con);
- freecon(con);
- IOVEC_SET_STRING(iovec[n++], x);
+ freecon(con);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
}
}
#endif
char ids[33];
r = sd_id128_get_machine(&machine);
- if (r < 0)
+ if (r < 0) {
+ log_error("Failed to get machine id: %s", strerror(-r));
return r;
+ }
sd_id128_to_string(machine, ids);
log_debug("Flushing to /var...");
r = sd_id128_get_machine(&machine);
- if (r < 0) {
- log_error("Failed to get machine id: %s", strerror(-r));
+ if (r < 0)
return r;
- }
r = sd_journal_open(&j, SD_JOURNAL_RUNTIME_ONLY);
if (r < 0) {
ssize_t n;
if (ev->events != EPOLLIN) {
- log_error("Got invalid event from epoll.");
+ log_error("Got invalid event from epoll for %s: %"PRIx32,
+ "signal fd", ev->events);
return -EIO;
}
}
if (sfsi.ssi_signo == SIGUSR1) {
+ log_info("Received request to flush runtime journal from PID %"PRIu32,
+ sfsi.ssi_pid);
touch("/run/systemd/journal/flushed");
server_flush_to_var(s);
server_sync(s);
}
if (sfsi.ssi_signo == SIGUSR2) {
+ log_info("Received request to rotate journal from PID %"PRIu32,
+ sfsi.ssi_pid);
server_rotate(s);
server_vacuum(s);
return 1;
} else if (ev->data.fd == s->dev_kmsg_fd) {
int r;
- if (ev->events != EPOLLIN) {
- log_error("Got invalid event from epoll.");
+ if (ev->events & EPOLLERR)
+ log_warning("/dev/kmsg buffer overrun, some messages lost.");
+
+ if (!(ev->events & EPOLLIN)) {
+ log_error("Got invalid event from epoll for %s: %"PRIx32,
+ "/dev/kmsg", ev->events);
return -EIO;
}
ev->data.fd == s->syslog_fd) {
if (ev->events != EPOLLIN) {
- log_error("Got invalid event from epoll.");
+ log_error("Got invalid event from epoll for %s: %"PRIx32,
+ ev->data.fd == s->native_fd ? "native fd" : "syslog fd",
+ ev->events);
return -EIO;
}
for (;;) {
- struct msghdr msghdr;
- struct iovec iovec;
struct ucred *ucred = NULL;
struct timeval *tv = NULL;
struct cmsghdr *cmsg;
char *label = NULL;
size_t label_len = 0;
+
+ struct iovec iovec;
union {
struct cmsghdr cmsghdr;
CMSG_SPACE(sizeof(struct timeval)) +
CMSG_SPACE(sizeof(int)) + /* fd */
CMSG_SPACE(NAME_MAX)]; /* selinux label */
- } control;
+ } control = {};
+ struct msghdr msghdr = {
+ .msg_iov = &iovec,
+ .msg_iovlen = 1,
+ .msg_control = &control,
+ .msg_controllen = sizeof(control),
+ };
+
ssize_t n;
int v;
int *fds = NULL;
return -errno;
}
- if (s->buffer_size < (size_t) v) {
- void *b;
- size_t l;
-
- l = MAX(LINE_MAX + (size_t) v, s->buffer_size * 2);
- b = realloc(s->buffer, l+1);
+ if (!GREEDY_REALLOC(s->buffer, s->buffer_size, LINE_MAX + (size_t) v))
+ return log_oom();
- if (!b) {
- log_error("Couldn't increase buffer.");
- return -ENOMEM;
- }
-
- s->buffer_size = l;
- s->buffer = b;
- }
-
- zero(iovec);
iovec.iov_base = s->buffer;
iovec.iov_len = s->buffer_size;
- zero(control);
- zero(msghdr);
- msghdr.msg_iov = &iovec;
- msghdr.msg_iovlen = 1;
- msghdr.msg_control = &control;
- msghdr.msg_controllen = sizeof(control);
-
n = recvmsg(ev->data.fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC);
if (n < 0) {
-
if (errno == EINTR || errno == EAGAIN)
return 1;
} else if (ev->data.fd == s->stdout_fd) {
if (ev->events != EPOLLIN) {
- log_error("Got invalid event from epoll.");
+ log_error("Got invalid event from epoll for %s: %"PRIx32,
+ "stdout fd", ev->events);
return -EIO;
}
StdoutStream *stream;
if ((ev->events|EPOLLIN|EPOLLHUP) != (EPOLLIN|EPOLLHUP)) {
- log_error("Got invalid event from epoll.");
+ log_error("Got invalid event from epoll for %s: %"PRIx32,
+ "stdout stream", ev->events);
return -EIO;
}
~ianmdlvl / elogind.git / blobdiff