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man,journal: add note about sd_journal_get_cutoff_monotonic_usec return value
[elogind.git]
/
src
/
journal
/
journald-native.c
diff --git
a/src/journal/journald-native.c
b/src/journal/journald-native.c
index 2c91cba16d81f1688671fc7f63b8f21ceed59488..6674f3bd50ff291fff011263f22ee25c23392806 100644
(file)
--- a/
src/journal/journald-native.c
+++ b/
src/journal/journald-native.c
@@
-31,13
+31,9
@@
#include "journald-kmsg.h"
#include "journald-console.h"
#include "journald-syslog.h"
#include "journald-kmsg.h"
#include "journald-console.h"
#include "journald-syslog.h"
+#include "journald-wall.h"
-/* Make sure not to make this smaller than the maximum coredump
- * size. See COREDUMP_MAX in coredump.c */
-#define ENTRY_SIZE_MAX (1024*1024*768)
-#define DATA_SIZE_MAX (1024*1024*768)
-
-static bool valid_user_field(const char *p, size_t l) {
+bool valid_user_field(const char *p, size_t l, bool allow_protected) {
const char *a;
/* We kinda enforce POSIX syntax recommendations for
const char *a;
/* We kinda enforce POSIX syntax recommendations for
@@
-55,7
+51,7
@@
static bool valid_user_field(const char *p, size_t l) {
return false;
/* Variables starting with an underscore are protected */
return false;
/* Variables starting with an underscore are protected */
- if (p[0] == '_')
+ if (
!allow_protected &&
p[0] == '_')
return false;
/* Don't allow digits as first character */
return false;
/* Don't allow digits as first character */
@@
-64,9
+60,9
@@
static bool valid_user_field(const char *p, size_t l) {
/* Only allow A-Z0-9 and '_' */
for (a = p; a < p + l; a++)
/* Only allow A-Z0-9 and '_' */
for (a = p; a < p + l; a++)
- if (
!((*a >= 'A' && *a <= 'Z') ||
- (*a >= '0' && *a <= '9') ||
-
*a == '_')
)
+ if (
(*a < 'A' || *a > 'Z') &&
+ (*a < '0' || *a > '9') &&
+
*a != '_'
)
return false;
return true;
return false;
return true;
@@
-86,7
+82,7
@@
void server_process_native_message(
struct iovec *iovec = NULL;
unsigned n = 0, j, tn = (unsigned) -1;
const char *p;
struct iovec *iovec = NULL;
unsigned n = 0, j, tn = (unsigned) -1;
const char *p;
- size_t remaining, m = 0;
+ size_t remaining, m = 0
, entry_size = 0
;
int priority = LOG_INFO;
char *identifier = NULL, *message = NULL;
pid_t object_pid = 0;
int priority = LOG_INFO;
char *identifier = NULL, *message = NULL;
pid_t object_pid = 0;
@@
-110,9
+106,17
@@
void server_process_native_message(
if (e == p) {
/* Entry separator */
if (e == p) {
/* Entry separator */
+
+ if (entry_size + n + 1 > ENTRY_SIZE_MAX) { /* data + separators + trailer */
+ log_debug("Entry is too big with %u properties and %zu bytes, ignoring.",
+ n, entry_size);
+ continue;
+ }
+
server_dispatch_message(s, iovec, n, m, ucred, tv, label, label_len, NULL, priority, object_pid);
n = 0;
priority = LOG_INFO;
server_dispatch_message(s, iovec, n, m, ucred, tv, label, label_len, NULL, priority, object_pid);
n = 0;
priority = LOG_INFO;
+ entry_size = 0;
p++;
remaining--;
p++;
remaining--;
@@
-138,7
+142,7
@@
void server_process_native_message(
q = memchr(p, '=', e - p);
if (q) {
q = memchr(p, '=', e - p);
if (q) {
- if (valid_user_field(p, q - p)) {
+ if (valid_user_field(p, q - p
, false
)) {
size_t l;
l = e - p;
size_t l;
l = e - p;
@@
-150,6
+154,7
@@
void server_process_native_message(
iovec[n].iov_base = (char*) p;
iovec[n].iov_len = l;
n++;
iovec[n].iov_base = (char*) p;
iovec[n].iov_len = l;
n++;
+ entry_size += iovec[n].iov_len;
/* We need to determine the priority
* of this entry for the rate limiting
/* We need to determine the priority
* of this entry for the rate limiting
@@
-218,7
+223,7
@@
void server_process_native_message(
l = le64toh(l_le);
if (l > DATA_SIZE_MAX) {
l = le64toh(l_le);
if (l > DATA_SIZE_MAX) {
- log_debug("Received binary data block
too large, ignoring."
);
+ log_debug("Received binary data block
of %zu bytes is too large, ignoring.", l
);
break;
}
break;
}
@@
-238,10
+243,11
@@
void server_process_native_message(
k[e - p] = '=';
memcpy(k + (e - p) + 1, e + 1 + sizeof(uint64_t), l);
k[e - p] = '=';
memcpy(k + (e - p) + 1, e + 1 + sizeof(uint64_t), l);
- if (valid_user_field(p, e - p)) {
+ if (valid_user_field(p, e - p
, false
)) {
iovec[n].iov_base = k;
iovec[n].iov_len = (e - p) + 1 + l;
n++;
iovec[n].iov_base = k;
iovec[n].iov_len = (e - p) + 1 + l;
n++;
+ entry_size += iovec[n].iov_len;
} else
free(k);
} else
free(k);
@@
-255,6
+261,13
@@
void server_process_native_message(
tn = n++;
IOVEC_SET_STRING(iovec[tn], "_TRANSPORT=journal");
tn = n++;
IOVEC_SET_STRING(iovec[tn], "_TRANSPORT=journal");
+ entry_size += strlen("_TRANSPORT=journal");
+
+ if (entry_size + n + 1 > ENTRY_SIZE_MAX) { /* data + separators + trailer */
+ log_debug("Entry is too big with %u properties and %zu bytes, ignoring.",
+ n, entry_size);
+ goto finish;
+ }
if (message) {
if (s->forward_to_syslog)
if (message) {
if (s->forward_to_syslog)
@@
-265,6
+278,9
@@
void server_process_native_message(
if (s->forward_to_console)
server_forward_console(s, priority, identifier, message, ucred);
if (s->forward_to_console)
server_forward_console(s, priority, identifier, message, ucred);
+
+ if (s->forward_to_wall)
+ server_forward_wall(s, priority, identifier, message, ucred);
}
server_dispatch_message(s, iovec, n, m, ucred, tv, label, label_len, NULL, priority, object_pid);
}
server_dispatch_message(s, iovec, n, m, ucred, tv, label, label_len, NULL, priority, object_pid);
@@
-369,7
+385,6
@@
void server_process_native_file(
int server_open_native_socket(Server*s) {
union sockaddr_union sa;
int one, r;
int server_open_native_socket(Server*s) {
union sockaddr_union sa;
int one, r;
- struct epoll_event ev;
assert(s);
assert(s);
@@
-420,12
+435,10
@@
int server_open_native_socket(Server*s) {
return -errno;
}
return -errno;
}
- zero(ev);
- ev.events = EPOLLIN;
- ev.data.fd = s->native_fd;
- if (epoll_ctl(s->epoll_fd, EPOLL_CTL_ADD, s->native_fd, &ev) < 0) {
- log_error("Failed to add native server fd to epoll object: %m");
- return -errno;
+ r = sd_event_add_io(s->event, &s->native_event_source, s->native_fd, EPOLLIN, process_datagram, s);
+ if (r < 0) {
+ log_error("Failed to add native server fd to event loop: %s", strerror(-r));
+ return r;
}
return 0;
}
return 0;