a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

4871690d9e32608bbd9b18505b5326c2079c9690Allin Cottrell#include <stddef.h>

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include <unistd.h>

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering#ifdef HAVE_SELINUX

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering#include <selinux/selinux.h>

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering#endif

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering#include "sd-daemon.h"

4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "sd-event.h"

4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering

b5efdb8af40ea759a1ea584c1bc44ecc81dd00ceLennart Poettering#include "alloc-util.h"

a09561746f15b84da9471b5c4be74e53d19e4f3fLennart Poettering#include "dirent-util.h"

4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "escape.h"

3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "fd-util.h"

13790add4bf648fed816361794d8277a75253410Lennart Poettering#include "fileio.h"

afc5dbf37fd2399d37976388d9dd9ab470ecf446Lennart Poettering#include "io-util.h"

4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "journald-console.h"

4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "journald-kmsg.h"

d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-server.h"

3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "journald-stream.h"

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering#include "journald-syslog.h"

40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen#include "journald-wall.h"

4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "mkdir.h"

6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "parse-util.h"

4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "selinux-util.h"

4f5dd3943bef8a04be7e3b838b822bb9a7ad6cb3Lennart Poettering#include "socket-util.h"

15a5e95075a7f6007dd97b2a165c8ed16fe683dfLennart Poettering#include "stdio-util.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "string-util.h"

7ccbd1ae843d77275f2c542582a9a80e5e058a70Lennart Poettering#include "syslog-util.h"

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering#define STDOUT_STREAMS_MAX 4096

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poetteringtypedef enum StdoutStreamState {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering STDOUT_STREAM_IDENTIFIER,

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering STDOUT_STREAM_UNIT_ID,

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering STDOUT_STREAM_PRIORITY,

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering STDOUT_STREAM_LEVEL_PREFIX,

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering STDOUT_STREAM_FORWARD_TO_SYSLOG,

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering STDOUT_STREAM_FORWARD_TO_KMSG,

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering STDOUT_STREAM_FORWARD_TO_CONSOLE,

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering STDOUT_STREAM_RUNNING

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering} StdoutStreamState;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poetteringstruct StdoutStream {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering Server *server;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering StdoutStreamState state;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering int fd;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering struct ucred ucred;

2de56f70941eaf91a4520bf33de47a87ebd8b2cbZbigniew Jędrzejewski-Szmek char *label;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering char *identifier;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering char *unit_id;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering int priority;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering bool level_prefix:1;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering bool forward_to_syslog:1;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering bool forward_to_kmsg:1;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering bool forward_to_console:1;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering bool fdstore:1;

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering bool in_notify_queue:1;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering char buffer[LINE_MAX+1];

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering size_t length;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source *event_source;

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering char *state_file;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering LIST_FIELDS(StdoutStream, stdout_stream);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering LIST_FIELDS(StdoutStream, stdout_stream_notify_queue);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering};

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poetteringvoid stdout_stream_free(StdoutStream *s) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!s)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (s->server) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering assert(s->server->n_stdout_streams > 0);

13790add4bf648fed816361794d8277a75253410Lennart Poettering s->server->n_stdout_streams --;

13790add4bf648fed816361794d8277a75253410Lennart Poettering LIST_REMOVE(stdout_stream, s->server->stdout_streams, s);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering if (s->in_notify_queue)

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering LIST_REMOVE(stdout_stream_notify_queue, s->server->stdout_streams_notify_queue, s);

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (s->event_source) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering sd_event_source_set_enabled(s->event_source, SD_EVENT_OFF);

13790add4bf648fed816361794d8277a75253410Lennart Poettering s->event_source = sd_event_source_unref(s->event_source);

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering safe_close(s->fd);

2de56f70941eaf91a4520bf33de47a87ebd8b2cbZbigniew Jędrzejewski-Szmek free(s->label);

13790add4bf648fed816361794d8277a75253410Lennart Poettering free(s->identifier);

13790add4bf648fed816361794d8277a75253410Lennart Poettering free(s->unit_id);

13790add4bf648fed816361794d8277a75253410Lennart Poettering free(s->state_file);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering free(s);

13790add4bf648fed816361794d8277a75253410Lennart Poettering}

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart PoetteringDEFINE_TRIVIAL_CLEANUP_FUNC(StdoutStream*, stdout_stream_free);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poetteringstatic void stdout_stream_destroy(StdoutStream *s) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!s)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (s->state_file)

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering (void) unlink(s->state_file);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering stdout_stream_free(s);

13790add4bf648fed816361794d8277a75253410Lennart Poettering}

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poetteringstatic int stdout_stream_save(StdoutStream *s) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering _cleanup_free_ char *temp_path = NULL;

13790add4bf648fed816361794d8277a75253410Lennart Poettering _cleanup_fclose_ FILE *f = NULL;

13790add4bf648fed816361794d8277a75253410Lennart Poettering int r;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering assert(s);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (s->state != STDOUT_STREAM_RUNNING)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return 0;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!s->state_file) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering struct stat st;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = fstat(s->fd, &st);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_warning_errno(errno, "Failed to stat connected stream: %m");

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering /* We use device and inode numbers as identifier for the stream */

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (asprintf(&s->state_file, "/run/systemd/journal/streams/%lu:%lu", (unsigned long) st.st_dev, (unsigned long) st.st_ino) < 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_oom();

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering mkdir_p("/run/systemd/journal/streams", 0755);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = fopen_temporary(s->state_file, &f, &temp_path);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering goto fail;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering fprintf(f,

13790add4bf648fed816361794d8277a75253410Lennart Poettering "# This is private data. Do not parse\n"

13790add4bf648fed816361794d8277a75253410Lennart Poettering "PRIORITY=%i\n"

13790add4bf648fed816361794d8277a75253410Lennart Poettering "LEVEL_PREFIX=%i\n"

13790add4bf648fed816361794d8277a75253410Lennart Poettering "FORWARD_TO_SYSLOG=%i\n"

13790add4bf648fed816361794d8277a75253410Lennart Poettering "FORWARD_TO_KMSG=%i\n"

13790add4bf648fed816361794d8277a75253410Lennart Poettering "FORWARD_TO_CONSOLE=%i\n",

13790add4bf648fed816361794d8277a75253410Lennart Poettering s->priority,

13790add4bf648fed816361794d8277a75253410Lennart Poettering s->level_prefix,

13790add4bf648fed816361794d8277a75253410Lennart Poettering s->forward_to_syslog,

13790add4bf648fed816361794d8277a75253410Lennart Poettering s->forward_to_kmsg,

13790add4bf648fed816361794d8277a75253410Lennart Poettering s->forward_to_console);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!isempty(s->identifier)) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering _cleanup_free_ char *escaped;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering escaped = cescape(s->identifier);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!escaped) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = -ENOMEM;

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering goto fail;

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering fprintf(f, "IDENTIFIER=%s\n", escaped);

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!isempty(s->unit_id)) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering _cleanup_free_ char *escaped;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering escaped = cescape(s->unit_id);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!escaped) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = -ENOMEM;

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering goto fail;

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering fprintf(f, "UNIT=%s\n", escaped);

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = fflush_and_check(f);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering goto fail;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (rename(temp_path, s->state_file) < 0) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = -errno;

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering goto fail;

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering if (!s->fdstore && !s->in_notify_queue) {

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering LIST_PREPEND(stdout_stream_notify_queue, s->server->stdout_streams_notify_queue, s);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering s->in_notify_queue = true;

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering if (s->server->notify_event_source) {

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering r = sd_event_source_set_enabled(s->server->notify_event_source, SD_EVENT_ON);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering if (r < 0)

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering log_warning_errno(r, "Failed to enable notify event source: %m");

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering return 0;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poetteringfail:

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering (void) unlink(s->state_file);

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering if (temp_path)

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering (void) unlink(temp_path);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

dacd6cee76a08331b8c8616c5f30f70ee49aa2f9Lennart Poettering return log_error_errno(r, "Failed to save stream data %s: %m", s->state_file);

13790add4bf648fed816361794d8277a75253410Lennart Poettering}

13790add4bf648fed816361794d8277a75253410Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poetteringstatic int stdout_stream_log(StdoutStream *s, const char *p) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering struct iovec iovec[N_IOVEC_META_FIELDS + 5];

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering int priority;

e3bfb7be07d9b1f4ebb12eb22c4c8bcd2a988d51Zbigniew Jędrzejewski-Szmek char syslog_priority[] = "PRIORITY=\0";

5ffa8c818120e35c89becd938d160235c069dd12Zbigniew Jędrzejewski-Szmek char syslog_facility[sizeof("SYSLOG_FACILITY=")-1 + DECIMAL_STR_MAX(int) + 1];

e3bfb7be07d9b1f4ebb12eb22c4c8bcd2a988d51Zbigniew Jędrzejewski-Szmek _cleanup_free_ char *message = NULL, *syslog_identifier = NULL;

e3bfb7be07d9b1f4ebb12eb22c4c8bcd2a988d51Zbigniew Jędrzejewski-Szmek unsigned n = 0;

2de56f70941eaf91a4520bf33de47a87ebd8b2cbZbigniew Jędrzejewski-Szmek size_t label_len;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering assert(s);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering assert(p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering priority = s->priority;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (s->level_prefix)

e3bfb7be07d9b1f4ebb12eb22c4c8bcd2a988d51Zbigniew Jędrzejewski-Szmek syslog_parse_priority(&p, &priority, false);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

6f526243e6a638c2ea7bbdd07b963f57e110d120Evgeny Vereshchagin if (isempty(p))

6f526243e6a638c2ea7bbdd07b963f57e110d120Evgeny Vereshchagin return 0;

6f526243e6a638c2ea7bbdd07b963f57e110d120Evgeny Vereshchagin

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (s->forward_to_syslog || s->server->forward_to_syslog)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering server_forward_syslog(s->server, syslog_fixup_facility(priority), s->identifier, p, &s->ucred, NULL);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (s->forward_to_kmsg || s->server->forward_to_kmsg)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering server_forward_kmsg(s->server, priority, s->identifier, p, &s->ucred);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (s->forward_to_console || s->server->forward_to_console)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering server_forward_console(s->server, priority, s->identifier, p, &s->ucred);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen if (s->server->forward_to_wall)

40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen server_forward_wall(s->server, priority, s->identifier, p, &s->ucred);

40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=stdout");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

e3bfb7be07d9b1f4ebb12eb22c4c8bcd2a988d51Zbigniew Jędrzejewski-Szmek syslog_priority[strlen("PRIORITY=")] = '0' + LOG_PRI(priority);

e3bfb7be07d9b1f4ebb12eb22c4c8bcd2a988d51Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], syslog_priority);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

e3bfb7be07d9b1f4ebb12eb22c4c8bcd2a988d51Zbigniew Jędrzejewski-Szmek if (priority & LOG_FACMASK) {

5ffa8c818120e35c89becd938d160235c069dd12Zbigniew Jędrzejewski-Szmek xsprintf(syslog_facility, "SYSLOG_FACILITY=%i", LOG_FAC(priority));

e3bfb7be07d9b1f4ebb12eb22c4c8bcd2a988d51Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], syslog_facility);

e3bfb7be07d9b1f4ebb12eb22c4c8bcd2a988d51Zbigniew Jędrzejewski-Szmek }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (s->identifier) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering syslog_identifier = strappend("SYSLOG_IDENTIFIER=", s->identifier);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (syslog_identifier)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering IOVEC_SET_STRING(iovec[n++], syslog_identifier);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering message = strappend("MESSAGE=", p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (message)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering IOVEC_SET_STRING(iovec[n++], message);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

2de56f70941eaf91a4520bf33de47a87ebd8b2cbZbigniew Jędrzejewski-Szmek label_len = s->label ? strlen(s->label) : 0;

2de56f70941eaf91a4520bf33de47a87ebd8b2cbZbigniew Jędrzejewski-Szmek server_dispatch_message(s->server, iovec, n, ELEMENTSOF(iovec), &s->ucred, NULL, s->label, label_len, s->unit_id, priority, 0);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering}

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poetteringstatic int stdout_stream_line(StdoutStream *s, char *p) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering int r;

cfa1b98e832026b0fa5f1ca2f8f5f65bddf12a31Evgeny Vereshchagin char *orig;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering assert(s);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering assert(p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

cfa1b98e832026b0fa5f1ca2f8f5f65bddf12a31Evgeny Vereshchagin orig = p;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering p = strstrip(p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering switch (s->state) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering case STDOUT_STREAM_IDENTIFIER:

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (isempty(p))

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->identifier = NULL;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering else {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->identifier = strdup(p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (!s->identifier)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return log_oom();

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->state = STDOUT_STREAM_UNIT_ID;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering case STDOUT_STREAM_UNIT_ID:

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (s->ucred.uid == 0) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (isempty(p))

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->unit_id = NULL;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering else {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->unit_id = strdup(p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (!s->unit_id)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return log_oom();

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->state = STDOUT_STREAM_PRIORITY;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering case STDOUT_STREAM_PRIORITY:

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering r = safe_atoi(p, &s->priority);

41891700e02daf0cab9e86908c76ac6f411bbd57Lennart Poettering if (r < 0 || s->priority < 0 || s->priority > 999) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering log_warning("Failed to parse log priority line.");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return -EINVAL;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->state = STDOUT_STREAM_LEVEL_PREFIX;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering case STDOUT_STREAM_LEVEL_PREFIX:

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering r = parse_boolean(p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (r < 0) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering log_warning("Failed to parse level prefix line.");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return -EINVAL;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->level_prefix = !!r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->state = STDOUT_STREAM_FORWARD_TO_SYSLOG;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering case STDOUT_STREAM_FORWARD_TO_SYSLOG:

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering r = parse_boolean(p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (r < 0) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering log_warning("Failed to parse forward to syslog line.");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return -EINVAL;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->forward_to_syslog = !!r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->state = STDOUT_STREAM_FORWARD_TO_KMSG;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering case STDOUT_STREAM_FORWARD_TO_KMSG:

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering r = parse_boolean(p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (r < 0) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering log_warning("Failed to parse copy to kmsg line.");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return -EINVAL;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->forward_to_kmsg = !!r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->state = STDOUT_STREAM_FORWARD_TO_CONSOLE;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering case STDOUT_STREAM_FORWARD_TO_CONSOLE:

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering r = parse_boolean(p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (r < 0) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering log_warning("Failed to parse copy to console line.");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return -EINVAL;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->forward_to_console = !!r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->state = STDOUT_STREAM_RUNNING;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering /* Try to save the stream, so that journald can be restarted and we can recover */

13790add4bf648fed816361794d8277a75253410Lennart Poettering (void) stdout_stream_save(s);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering case STDOUT_STREAM_RUNNING:

cfa1b98e832026b0fa5f1ca2f8f5f65bddf12a31Evgeny Vereshchagin return stdout_stream_log(s, orig);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering assert_not_reached("Unknown stream state");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering}

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poetteringstatic int stdout_stream_scan(StdoutStream *s, bool force_flush) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering char *p;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering size_t remaining;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering int r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering assert(s);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering p = s->buffer;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering remaining = s->length;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering for (;;) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering char *end;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering size_t skip;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering end = memchr(p, '\n', remaining);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (end)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering skip = end - p + 1;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering else if (remaining >= sizeof(s->buffer) - 1) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering end = p + sizeof(s->buffer) - 1;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering skip = remaining;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering } else

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering break;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering *end = 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering r = stdout_stream_line(s, p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (r < 0)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering remaining -= skip;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering p += skip;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (force_flush && remaining > 0) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering p[remaining] = 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering r = stdout_stream_line(s, p);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (r < 0)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering p += remaining;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering remaining = 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (p > s->buffer) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering memmove(s->buffer, p, remaining);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->length = remaining;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering}

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int stdout_stream_process(sd_event_source *es, int fd, uint32_t revents, void *userdata) {

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering StdoutStream *s = userdata;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering ssize_t l;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering int r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering assert(s);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if ((revents|EPOLLIN|EPOLLHUP) != (EPOLLIN|EPOLLHUP)) {

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_error("Got invalid event from epoll for stdout stream: %"PRIx32, revents);

91bf3b3e124575f6f647bff29766e9d992f55b32Lennart Poettering goto terminate;

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering l = read(s->fd, s->buffer+s->length, sizeof(s->buffer)-1-s->length);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (l < 0) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (errno == EAGAIN)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt log_warning_errno(errno, "Failed to read from stream: %m");

91bf3b3e124575f6f647bff29766e9d992f55b32Lennart Poettering goto terminate;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (l == 0) {

7b77ed8cf36e8eca6017791626044b61ae2d68e7Lennart Poettering stdout_stream_scan(s, true);

91bf3b3e124575f6f647bff29766e9d992f55b32Lennart Poettering goto terminate;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->length += l;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering r = stdout_stream_scan(s, false);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (r < 0)

91bf3b3e124575f6f647bff29766e9d992f55b32Lennart Poettering goto terminate;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 1;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

91bf3b3e124575f6f647bff29766e9d992f55b32Lennart Poetteringterminate:

13790add4bf648fed816361794d8277a75253410Lennart Poettering stdout_stream_destroy(s);

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering}

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poetteringstatic int stdout_stream_install(Server *s, int fd, StdoutStream **ret) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering _cleanup_(stdout_stream_freep) StdoutStream *stream = NULL;

13790add4bf648fed816361794d8277a75253410Lennart Poettering int r;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering assert(s);

13790add4bf648fed816361794d8277a75253410Lennart Poettering assert(fd >= 0);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream = new0(StdoutStream, 1);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!stream)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_oom();

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->fd = -1;

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->priority = LOG_INFO;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = getpeercred(fd, &stream->ucred);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_error_errno(r, "Failed to determine peer credentials: %m");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

6355e75610a8d47fc3ba5ab8bd442172a2cfe574Lennart Poettering if (mac_selinux_have()) {

2de56f70941eaf91a4520bf33de47a87ebd8b2cbZbigniew Jędrzejewski-Szmek r = getpeersec(fd, &stream->label);

2de56f70941eaf91a4520bf33de47a87ebd8b2cbZbigniew Jędrzejewski-Szmek if (r < 0 && r != -EOPNOTSUPP)

2de56f70941eaf91a4520bf33de47a87ebd8b2cbZbigniew Jędrzejewski-Szmek (void) log_warning_errno(r, "Failed to determine peer security context: %m");

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering (void) shutdown(fd, SHUT_WR);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = sd_event_add_io(s->event, &stream->event_source, fd, EPOLLIN, stdout_stream_process, stream);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_error_errno(r, "Failed to add stream to event loop: %m");

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = sd_event_source_set_priority(stream->event_source, SD_EVENT_PRIORITY_NORMAL+5);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_error_errno(r, "Failed to adjust stdout event source priority: %m");

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->fd = fd;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->server = s;

13790add4bf648fed816361794d8277a75253410Lennart Poettering LIST_PREPEND(stdout_stream, s->stdout_streams, stream);

13790add4bf648fed816361794d8277a75253410Lennart Poettering s->n_stdout_streams ++;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (ret)

13790add4bf648fed816361794d8277a75253410Lennart Poettering *ret = stream;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream = NULL;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering}

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int stdout_stream_new(sd_event_source *es, int listen_fd, uint32_t revents, void *userdata) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering _cleanup_close_ int fd = -1;

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering Server *s = userdata;

13790add4bf648fed816361794d8277a75253410Lennart Poettering int r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering assert(s);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (revents != EPOLLIN) {

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_error("Got invalid event from epoll for stdout server fd: %"PRIx32, revents);

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return -EIO;

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering fd = accept4(s->stdout_fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (fd < 0) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (errno == EAGAIN)

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

e1427b138fbf7b7f13bb61187635b882be3ca2b2Michal Schmidt return log_error_errno(errno, "Failed to accept stdout connection: %m");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (s->n_stdout_streams >= STDOUT_STREAMS_MAX) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering log_warning("Too many stdout streams, refusing connection.");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = stdout_stream_install(s, fd, NULL);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return r;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering fd = -1;

13790add4bf648fed816361794d8277a75253410Lennart Poettering return 0;

13790add4bf648fed816361794d8277a75253410Lennart Poettering}

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poetteringstatic int stdout_stream_load(StdoutStream *stream, const char *fname) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering _cleanup_free_ char

13790add4bf648fed816361794d8277a75253410Lennart Poettering *priority = NULL,

13790add4bf648fed816361794d8277a75253410Lennart Poettering *level_prefix = NULL,

13790add4bf648fed816361794d8277a75253410Lennart Poettering *forward_to_syslog = NULL,

13790add4bf648fed816361794d8277a75253410Lennart Poettering *forward_to_kmsg = NULL,

13790add4bf648fed816361794d8277a75253410Lennart Poettering *forward_to_console = NULL;

13790add4bf648fed816361794d8277a75253410Lennart Poettering int r;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering assert(stream);

13790add4bf648fed816361794d8277a75253410Lennart Poettering assert(fname);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!stream->state_file) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->state_file = strappend("/run/systemd/journal/streams/", fname);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!stream->state_file)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_oom();

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = parse_env_file(stream->state_file, NEWLINE,

13790add4bf648fed816361794d8277a75253410Lennart Poettering "PRIORITY", &priority,

13790add4bf648fed816361794d8277a75253410Lennart Poettering "LEVEL_PREFIX", &level_prefix,

13790add4bf648fed816361794d8277a75253410Lennart Poettering "FORWARD_TO_SYSLOG", &forward_to_syslog,

13790add4bf648fed816361794d8277a75253410Lennart Poettering "FORWARD_TO_KMSG", &forward_to_kmsg,

13790add4bf648fed816361794d8277a75253410Lennart Poettering "FORWARD_TO_CONSOLE", &forward_to_console,

13790add4bf648fed816361794d8277a75253410Lennart Poettering "IDENTIFIER", &stream->identifier,

13790add4bf648fed816361794d8277a75253410Lennart Poettering "UNIT", &stream->unit_id,

13790add4bf648fed816361794d8277a75253410Lennart Poettering NULL);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_error_errno(r, "Failed to read: %s", stream->state_file);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (priority) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering int p;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering p = log_level_from_string(priority);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (p >= 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->priority = p;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (level_prefix) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = parse_boolean(level_prefix);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r >= 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->level_prefix = r;

d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (forward_to_syslog) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = parse_boolean(forward_to_syslog);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r >= 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->forward_to_syslog = r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (forward_to_kmsg) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = parse_boolean(forward_to_kmsg);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r >= 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->forward_to_kmsg = r;

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (forward_to_console) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = parse_boolean(forward_to_console);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r >= 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->forward_to_console = r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering return 0;

13790add4bf648fed816361794d8277a75253410Lennart Poettering}

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poetteringstatic int stdout_stream_restore(Server *s, const char *fname, int fd) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering StdoutStream *stream;

13790add4bf648fed816361794d8277a75253410Lennart Poettering int r;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering assert(s);

13790add4bf648fed816361794d8277a75253410Lennart Poettering assert(fname);

13790add4bf648fed816361794d8277a75253410Lennart Poettering assert(fd >= 0);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (s->n_stdout_streams >= STDOUT_STREAMS_MAX) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering log_warning("Too many stdout streams, refusing restoring of stream.");

13790add4bf648fed816361794d8277a75253410Lennart Poettering return -ENOBUFS;

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = stdout_stream_install(s, fd, &stream);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return r;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->state = STDOUT_STREAM_RUNNING;

13790add4bf648fed816361794d8277a75253410Lennart Poettering stream->fdstore = true;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering /* Ignore all parsing errors */

13790add4bf648fed816361794d8277a75253410Lennart Poettering (void) stdout_stream_load(stream, fname);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

13790add4bf648fed816361794d8277a75253410Lennart Poettering}

13790add4bf648fed816361794d8277a75253410Lennart Poettering

15d91bff36c61d38df8edff258d1702a017a0e66Zbigniew Jędrzejewski-Szmekint server_restore_streams(Server *s, FDSet *fds) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering _cleanup_closedir_ DIR *d = NULL;

13790add4bf648fed816361794d8277a75253410Lennart Poettering struct dirent *de;

13790add4bf648fed816361794d8277a75253410Lennart Poettering int r;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering d = opendir("/run/systemd/journal/streams");

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!d) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (errno == ENOENT)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return 0;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_warning_errno(errno, "Failed to enumerate /run/systemd/journal/streams: %m");

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering FOREACH_DIRENT(de, d, goto fail) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering unsigned long st_dev, st_ino;

13790add4bf648fed816361794d8277a75253410Lennart Poettering bool found = false;

13790add4bf648fed816361794d8277a75253410Lennart Poettering Iterator i;

13790add4bf648fed816361794d8277a75253410Lennart Poettering int fd;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (sscanf(de->d_name, "%lu:%lu", &st_dev, &st_ino) != 2)

13790add4bf648fed816361794d8277a75253410Lennart Poettering continue;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering FDSET_FOREACH(fd, fds, i) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering struct stat st;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (fstat(fd, &st) < 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_error_errno(errno, "Failed to stat %s: %m", de->d_name);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (S_ISSOCK(st.st_mode) && st.st_dev == st_dev && st.st_ino == st_ino) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering found = true;

13790add4bf648fed816361794d8277a75253410Lennart Poettering break;

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!found) {

13790add4bf648fed816361794d8277a75253410Lennart Poettering /* No file descriptor? Then let's delete the state file */

13790add4bf648fed816361794d8277a75253410Lennart Poettering log_debug("Cannot restore stream file %s", de->d_name);

13790add4bf648fed816361794d8277a75253410Lennart Poettering unlinkat(dirfd(d), de->d_name, 0);

13790add4bf648fed816361794d8277a75253410Lennart Poettering continue;

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering fdset_remove(fds, fd);

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poettering r = stdout_stream_restore(s, de->d_name, fd);

13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)

13790add4bf648fed816361794d8277a75253410Lennart Poettering safe_close(fd);

13790add4bf648fed816361794d8277a75253410Lennart Poettering }

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

7b77ed8cf36e8eca6017791626044b61ae2d68e7Lennart Poettering return 0;

13790add4bf648fed816361794d8277a75253410Lennart Poettering

13790add4bf648fed816361794d8277a75253410Lennart Poetteringfail:

13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_error_errno(errno, "Failed to read streams directory: %m");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering}

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

15d91bff36c61d38df8edff258d1702a017a0e66Zbigniew Jędrzejewski-Szmekint server_open_stdout_socket(Server *s) {

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering int r;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering assert(s);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering if (s->stdout_fd < 0) {

b92bea5d2a9481de69bb627a7b442a9f58fca43dZbigniew Jędrzejewski-Szmek union sockaddr_union sa = {

b92bea5d2a9481de69bb627a7b442a9f58fca43dZbigniew Jędrzejewski-Szmek .un.sun_family = AF_UNIX,

b92bea5d2a9481de69bb627a7b442a9f58fca43dZbigniew Jędrzejewski-Szmek .un.sun_path = "/run/systemd/journal/stdout",

b92bea5d2a9481de69bb627a7b442a9f58fca43dZbigniew Jędrzejewski-Szmek };

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering s->stdout_fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt if (s->stdout_fd < 0)

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt return log_error_errno(errno, "socket() failed: %m");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering unlink(sa.un.sun_path);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering r = bind(s->stdout_fd, &sa.sa, offsetof(union sockaddr_union, un.sun_path) + strlen(sa.un.sun_path));

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt if (r < 0)

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

4a61c3e51e96a747c30598d78ee3a24e7c569e9fZbigniew Jędrzejewski-Szmek (void) chmod(sa.un.sun_path, 0666);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt if (listen(s->stdout_fd, SOMAXCONN) < 0)

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt return log_error_errno(errno, "listen(%s) failed: %m", sa.un.sun_path);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering } else

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering fd_nonblock(s->stdout_fd, 1);

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering r = sd_event_add_io(s->event, &s->stdout_event_source, s->stdout_fd, EPOLLIN, stdout_stream_new, s);

23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt if (r < 0)

23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt return log_error_errno(r, "Failed to add stdout server fd to event source: %m");

f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering

48cef29504b1ffc0df9929f2d8b2af2ad74d2b4aVito Caputo r = sd_event_source_set_priority(s->stdout_event_source, SD_EVENT_PRIORITY_NORMAL+5);

23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt if (r < 0)

23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt return log_error_errno(r, "Failed to adjust priority of stdout server event source: %m");

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering return 0;

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering}

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poetteringvoid stdout_stream_send_notify(StdoutStream *s) {

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering struct iovec iovec = {

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering .iov_base = (char*) "FDSTORE=1",

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering .iov_len = strlen("FDSTORE=1"),

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering };

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering struct msghdr msghdr = {

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering .msg_iov = &iovec,

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering .msg_iovlen = 1,

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering };

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering struct cmsghdr *cmsg;

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering ssize_t l;

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering assert(s);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering assert(!s->fdstore);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering assert(s->in_notify_queue);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering assert(s->server);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering assert(s->server->notify_fd >= 0);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering /* Store the connection fd in PID 1, so that we get it passed

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering msghdr.msg_controllen = CMSG_SPACE(sizeof(int));

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering msghdr.msg_control = alloca0(msghdr.msg_controllen);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering cmsg = CMSG_FIRSTHDR(&msghdr);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering cmsg->cmsg_level = SOL_SOCKET;

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering cmsg->cmsg_type = SCM_RIGHTS;

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering cmsg->cmsg_len = CMSG_LEN(sizeof(int));

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering memcpy(CMSG_DATA(cmsg), &s->fd, sizeof(int));

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering l = sendmsg(s->server->notify_fd, &msghdr, MSG_DONTWAIT|MSG_NOSIGNAL);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering if (l < 0) {

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering if (errno == EAGAIN)

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering return;

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering log_error_errno(errno, "Failed to send stream file descriptor to service manager: %m");

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering } else {

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering log_debug("Successfully sent stream file descriptor to service manager.");

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering s->fdstore = 1;

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering }

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering LIST_REMOVE(stdout_stream_notify_queue, s->server->stdout_streams_notify_queue, s);

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering s->in_notify_queue = false;

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering

e22aa3d3284709234f086ebebc13a905a295b7a7Lennart Poettering}