#include "journal-internal.h"
#include "conf-parser.h"
#include "journald.h"
+#include "virt.h"
#define USER_JOURNALS_MAX 1024
#define STDOUT_STREAMS_MAX 4096
#define RECHECK_VAR_AVAILABLE_USEC (30*USEC_PER_SEC)
-#define SYSLOG_TIMEOUT_USEC (5*USEC_PER_SEC)
+#define SYSLOG_TIMEOUT_USEC (250*USEC_PER_MSEC)
#define N_IOVEC_META_FIELDS 16
typedef enum StdoutStreamState {
- STDOUT_STREAM_TAG,
+ STDOUT_STREAM_IDENTIFIER,
STDOUT_STREAM_PRIORITY,
STDOUT_STREAM_LEVEL_PREFIX,
STDOUT_STREAM_FORWARD_TO_SYSLOG,
struct ucred ucred;
- char *tag;
+ char *identifier;
int priority;
bool level_prefix:1;
bool forward_to_syslog:1;
forward_syslog_iovec(s, &iovec, 1, ucred, tv);
}
-static void forward_syslog(Server *s, int priority, const char *tag, const char *message, struct ucred *ucred, struct timeval *tv) {
+static void forward_syslog(Server *s, int priority, const char *identifier, const char *message, struct ucred *ucred, struct timeval *tv) {
struct iovec iovec[5];
char header_priority[6], header_time[64], header_pid[16];
int n = 0;
time_t t;
struct tm *tm;
- char *tag_buf = NULL;
+ char *ident_buf = NULL;
assert(s);
assert(priority >= 0);
return;
IOVEC_SET_STRING(iovec[n++], header_time);
- /* Third: tag and PID */
+ /* Third: identifier and PID */
if (ucred) {
- if (!tag) {
- get_process_comm(ucred->pid, &tag_buf);
- tag = tag_buf;
+ if (!identifier) {
+ get_process_comm(ucred->pid, &ident_buf);
+ identifier = ident_buf;
}
snprintf(header_pid, sizeof(header_pid), "[%lu]: ", (unsigned long) ucred->pid);
char_array_0(header_pid);
- if (tag)
- IOVEC_SET_STRING(iovec[n++], tag);
+ if (identifier)
+ IOVEC_SET_STRING(iovec[n++], identifier);
IOVEC_SET_STRING(iovec[n++], header_pid);
- } else if (tag) {
- IOVEC_SET_STRING(iovec[n++], tag);
+ } else if (identifier) {
+ IOVEC_SET_STRING(iovec[n++], identifier);
IOVEC_SET_STRING(iovec[n++], ": ");
}
forward_syslog_iovec(s, iovec, n, ucred, tv);
- free(tag_buf);
+ free(ident_buf);
}
static int fixup_priority(int priority) {
return priority;
}
-static void forward_kmsg(Server *s, int priority, const char *tag, const char *message, struct ucred *ucred) {
+static void forward_kmsg(Server *s, int priority, const char *identifier, const char *message, struct ucred *ucred) {
struct iovec iovec[5];
char header_priority[6], header_pid[16];
int n = 0;
- char *tag_buf = NULL;
+ char *ident_buf = NULL;
int fd;
assert(s);
char_array_0(header_priority);
IOVEC_SET_STRING(iovec[n++], header_priority);
- /* Second: tag and PID */
+ /* Second: identifier and PID */
if (ucred) {
- if (!tag) {
- get_process_comm(ucred->pid, &tag_buf);
- tag = tag_buf;
+ if (!identifier) {
+ get_process_comm(ucred->pid, &ident_buf);
+ identifier = ident_buf;
}
snprintf(header_pid, sizeof(header_pid), "[%lu]: ", (unsigned long) ucred->pid);
char_array_0(header_pid);
- if (tag)
- IOVEC_SET_STRING(iovec[n++], tag);
+ if (identifier)
+ IOVEC_SET_STRING(iovec[n++], identifier);
IOVEC_SET_STRING(iovec[n++], header_pid);
- } else if (tag) {
- IOVEC_SET_STRING(iovec[n++], tag);
+ } else if (identifier) {
+ IOVEC_SET_STRING(iovec[n++], identifier);
IOVEC_SET_STRING(iovec[n++], ": ");
}
close_nointr_nofail(fd);
finish:
- free(tag_buf);
+ free(ident_buf);
}
-static void forward_console(Server *s, const char *tag, const char *message, struct ucred *ucred) {
+static void forward_console(Server *s, const char *identifier, const char *message, struct ucred *ucred) {
struct iovec iovec[4];
char header_pid[16];
int n = 0, fd;
- char *tag_buf = NULL;
+ char *ident_buf = NULL;
assert(s);
assert(message);
- /* First: tag and PID */
+ /* First: identifier and PID */
if (ucred) {
- if (!tag) {
- get_process_comm(ucred->pid, &tag_buf);
- tag = tag_buf;
+ if (!identifier) {
+ get_process_comm(ucred->pid, &ident_buf);
+ identifier = ident_buf;
}
snprintf(header_pid, sizeof(header_pid), "[%lu]: ", (unsigned long) ucred->pid);
char_array_0(header_pid);
- if (tag)
- IOVEC_SET_STRING(iovec[n++], tag);
+ if (identifier)
+ IOVEC_SET_STRING(iovec[n++], identifier);
IOVEC_SET_STRING(iovec[n++], header_pid);
- } else if (tag) {
- IOVEC_SET_STRING(iovec[n++], tag);
+ } else if (identifier) {
+ IOVEC_SET_STRING(iovec[n++], identifier);
IOVEC_SET_STRING(iovec[n++], ": ");
}
close_nointr_nofail(fd);
finish:
- free(tag_buf);
+ free(ident_buf);
}
-static void read_tag(const char **buf, char **tag) {
+static void read_identifier(const char **buf, char **identifier) {
const char *p;
char *t;
size_t l, e;
assert(buf);
- assert(tag);
+ assert(identifier);
p = *buf;
t = strndup(p, l);
if (t)
- *tag = t;
+ *identifier = t;
*buf = p + e;
*buf += strspn(*buf, WHITESPACE);
}
static void process_syslog_message(Server *s, const char *buf, struct ucred *ucred, struct timeval *tv) {
- char *message = NULL, *syslog_priority = NULL, *syslog_facility = NULL, *syslog_tag = NULL;
+ char *message = NULL, *syslog_priority = NULL, *syslog_facility = NULL, *syslog_identifier = NULL;
struct iovec iovec[N_IOVEC_META_FIELDS + 5];
unsigned n = 0;
int priority = LOG_USER | LOG_INFO;
- char *tag = NULL;
+ char *identifier = NULL;
assert(s);
assert(buf);
parse_syslog_priority((char**) &buf, &priority);
skip_syslog_date((char**) &buf);
- read_tag(&buf, &tag);
+ read_identifier(&buf, &identifier);
if (s->forward_to_kmsg)
- forward_kmsg(s, priority, tag, buf, ucred);
+ forward_kmsg(s, priority, identifier, buf, ucred);
if (s->forward_to_console)
- forward_console(s, tag, buf, ucred);
+ forward_console(s, identifier, buf, ucred);
IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=syslog");
if (asprintf(&syslog_facility, "SYSLOG_FACILITY=%i", LOG_FAC(priority)) >= 0)
IOVEC_SET_STRING(iovec[n++], syslog_facility);
- if (tag) {
- syslog_tag = strappend("SYSLOG_TAG=", tag);
- if (syslog_tag)
- IOVEC_SET_STRING(iovec[n++], syslog_tag);
+ if (identifier) {
+ syslog_identifier = strappend("SYSLOG_IDENTIFIER=", identifier);
+ if (syslog_identifier)
+ IOVEC_SET_STRING(iovec[n++], syslog_identifier);
}
message = strappend("MESSAGE=", buf);
dispatch_message(s, iovec, n, ELEMENTSOF(iovec), ucred, tv, priority);
free(message);
- free(tag);
+ free(identifier);
free(syslog_priority);
free(syslog_facility);
- free(syslog_tag);
+ free(syslog_identifier);
}
static bool valid_user_field(const char *p, size_t l) {
const char *p;
size_t remaining;
int priority = LOG_INFO;
- char *tag = NULL, *message = NULL;
+ char *identifier = NULL, *message = NULL;
assert(s);
assert(buffer || n == 0);
priority = (priority & LOG_PRIMASK) | (((p[16] - '0')*10 + (p[17] - '0')) << 3);
else if (l >= 12 &&
- memcmp(p, "SYSLOG_TAG=", 11) == 0) {
+ memcmp(p, "SYSLOG_IDENTIFIER=", 11) == 0) {
char *t;
t = strndup(p + 11, l - 11);
if (t) {
- free(tag);
- tag = t;
+ free(identifier);
+ identifier = t;
}
} else if (l >= 8 &&
memcmp(p, "MESSAGE=", 8) == 0) {
if (message) {
if (s->forward_to_syslog)
- forward_syslog(s, priority, tag, message, ucred, tv);
+ forward_syslog(s, priority, identifier, message, ucred, tv);
if (s->forward_to_kmsg)
- forward_kmsg(s, priority, tag, message, ucred);
+ forward_kmsg(s, priority, identifier, message, ucred);
if (s->forward_to_console)
- forward_console(s, tag, message, ucred);
+ forward_console(s, identifier, message, ucred);
}
dispatch_message(s, iovec, n, m, ucred, tv, priority);
free(iovec[j].iov_base);
}
- free(tag);
+ free(identifier);
free(message);
}
static int stdout_stream_log(StdoutStream *s, const char *p) {
struct iovec iovec[N_IOVEC_META_FIELDS + 5];
- char *message = NULL, *syslog_priority = NULL, *syslog_facility = NULL, *syslog_tag = NULL;
+ char *message = NULL, *syslog_priority = NULL, *syslog_facility = NULL, *syslog_identifier = NULL;
unsigned n = 0;
int priority;
parse_syslog_priority((char**) &p, &priority);
if (s->forward_to_syslog || s->server->forward_to_syslog)
- forward_syslog(s->server, fixup_priority(priority), s->tag, p, &s->ucred, NULL);
+ forward_syslog(s->server, fixup_priority(priority), s->identifier, p, &s->ucred, NULL);
if (s->forward_to_kmsg || s->server->forward_to_kmsg)
- forward_kmsg(s->server, priority, s->tag, p, &s->ucred);
+ forward_kmsg(s->server, priority, s->identifier, p, &s->ucred);
if (s->forward_to_console || s->server->forward_to_console)
- forward_console(s->server, s->tag, p, &s->ucred);
+ forward_console(s->server, s->identifier, p, &s->ucred);
IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=stdout");
if (asprintf(&syslog_facility, "SYSLOG_FACILITY=%i", LOG_FAC(priority)) >= 0)
IOVEC_SET_STRING(iovec[n++], syslog_facility);
- if (s->tag) {
- syslog_tag = strappend("SYSLOG_TAG=", s->tag);
- if (syslog_tag)
- IOVEC_SET_STRING(iovec[n++], syslog_tag);
+ if (s->identifier) {
+ syslog_identifier = strappend("SYSLOG_IDENTIFIER=", s->identifier);
+ if (syslog_identifier)
+ IOVEC_SET_STRING(iovec[n++], syslog_identifier);
}
message = strappend("MESSAGE=", p);
free(message);
free(syslog_priority);
free(syslog_facility);
- free(syslog_tag);
+ free(syslog_identifier);
return 0;
}
switch (s->state) {
- case STDOUT_STREAM_TAG:
- s->tag = strdup(p);
- if (!s->tag) {
+ case STDOUT_STREAM_IDENTIFIER:
+ s->identifier = strdup(p);
+ if (!s->identifier) {
log_error("Out of memory");
return -ENOMEM;
}
close_nointr_nofail(s->fd);
}
- free(s->tag);
+ free(s->identifier);
free(s);
}
return 0;
}
+static int server_parse_proc_cmdline(Server *s) {
+ char *line, *w, *state;
+ int r;
+ size_t l;
+
+ if (detect_container(NULL) > 0)
+ return 0;
+
+ r = read_one_line_file("/proc/cmdline", &line);
+ if (r < 0) {
+ log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
+ return 0;
+ }
+
+ FOREACH_WORD_QUOTED(w, l, line, state) {
+ char *word;
+
+ word = strndup(w, l);
+ if (!word) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (startswith(word, "systemd_journald.forward_to_syslog=")) {
+ r = parse_boolean(word + 35);
+ if (r < 0)
+ log_warning("Failed to parse forward to syslog switch %s. Ignoring.", word + 35);
+ else
+ s->forward_to_syslog = r;
+ } else if (startswith(word, "systemd_journald.forward_to_kmsg=")) {
+ r = parse_boolean(word + 33);
+ if (r < 0)
+ log_warning("Failed to parse forward to kmsg switch %s. Ignoring.", word + 33);
+ else
+ s->forward_to_kmsg = r;
+ } else if (startswith(word, "systemd_journald.forward_to_console=")) {
+ r = parse_boolean(word + 36);
+ if (r < 0)
+ log_warning("Failed to parse forward to console switch %s. Ignoring.", word + 36);
+ else
+ s->forward_to_console = r;
+ }
+
+ free(word);
+ }
+
+ r = 0;
+
+finish:
+ free(line);
+ return r;
+}
+
static int server_parse_config_file(Server *s) {
FILE *f;
const char *fn;
memset(&s->runtime_metrics, 0xFF, sizeof(s->runtime_metrics));
server_parse_config_file(s);
+ server_parse_proc_cmdline(s);
s->user_journals = hashmap_new(trivial_hash_func, trivial_compare_func);
if (!s->user_journals) {
~ianmdlvl / elogind.git / blobdiff