#include <string.h>
#include <sys/prctl.h>
#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/types.h>
#include <unistd.h>
#include <getopt.h>
#include "journal-file.h"
#include "journald-native.h"
#include "socket-util.h"
-#include "mkdir.h"
#include "build.h"
#include "macro.h"
#include "strv.h"
#include "fileio.h"
#include "conf-parser.h"
-#include "siphash24.h"
#ifdef HAVE_GNUTLS
#include <gnutls/gnutls.h>
pid_t parent_pid, child_pid;
int r;
- if (pipe(fd) < 0) {
- log_error("Failed to create pager pipe: %m");
- return -errno;
- }
+ if (pipe(fd) < 0)
+ return log_error_errno(errno, "Failed to create pager pipe: %m");
parent_pid = getpid();
child_pid = fork();
if (child_pid < 0) {
r = -errno;
- log_error("Failed to fork: %m");
+ log_error_errno(errno, "Failed to fork: %m");
safe_close_pair(fd);
return r;
}
if (child_pid == 0) {
r = dup2(fd[1], STDOUT_FILENO);
if (r < 0) {
- log_error("Failed to dup pipe to stdout: %m");
+ log_error_errno(errno, "Failed to dup pipe to stdout: %m");
_exit(EXIT_FAILURE);
}
_exit(EXIT_SUCCESS);
execvp(child, argv);
- log_error("Failed to exec child %s: %m", child);
+ log_error_errno(errno, "Failed to exec child %s: %m", child);
_exit(EXIT_FAILURE);
}
r = close(fd[1]);
if (r < 0)
- log_warning("Failed to close write end of pipe: %m");
+ log_warning_errno(errno, "Failed to close write end of pipe: %m");
return fd[0];
}
r = spawn_child("curl", argv);
if (r < 0)
- log_error("Failed to spawn curl: %m");
+ log_error_errno(errno, "Failed to spawn curl: %m");
return r;
}
_cleanup_strv_free_ char **words = NULL;
assert(getter);
- r = strv_split_quoted(&words, getter);
- if (r < 0) {
- log_error("Failed to split getter option: %s", strerror(-r));
- return r;
- }
+ r = strv_split_quoted(&words, getter, false);
+ if (r < 0)
+ return log_error_errno(r, "Failed to split getter option: %m");
r = strv_extend(&words, url);
- if (r < 0) {
- log_error("Failed to create command line: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to create command line: %m");
r = spawn_child(words[0], words);
if (r < 0)
- log_error("Failed to spawn getter %s: %m", getter);
+ log_error_errno(errno, "Failed to spawn getter %s: %m", getter);
return r;
}
w->mmap,
NULL, &w->journal);
if (r < 0)
- log_error("Failed to open output journal %s: %s",
- output, strerror(-r));
+ log_error_errno(r, "Failed to open output journal %s: %m",
+ output);
else
- log_info("Opened output file %s", w->journal->path);
+ log_debug("Opened output file %s", w->journal->path);
return r;
}
int fd,
uint32_t revents,
void *userdata);
+static int dispatch_raw_source_until_block(sd_event_source *event,
+ void *userdata);
static int dispatch_blocking_source_event(sd_event_source *event,
void *userdata);
static int dispatch_raw_connection_event(sd_event_source *event,
return log_oom();
r = get_writer(s, name, &writer);
- if (r < 0) {
- log_warning("Failed to get writer for source %s: %s",
- name, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_warning_errno(r, "Failed to get writer for source %s: %m",
+ name);
if (s->sources[fd] == NULL) {
s->sources[fd] = source_new(fd, false, name, writer);
r = get_source_for_fd(s, fd, name, &source);
if (r < 0) {
- log_error("Failed to create source for fd:%d (%s): %s",
- fd, name, strerror(-r));
+ log_error_errno(r, "Failed to create source for fd:%d (%s): %m",
+ fd, name);
free(name);
return r;
}
r = sd_event_add_io(s->events, &source->event,
fd, EPOLLIN|EPOLLRDHUP|EPOLLPRI,
- dispatch_raw_source_event, s);
- if (r == -EPERM) {
+ dispatch_raw_source_event, source);
+ if (r == 0) {
+ /* Add additional source for buffer processing. It will be
+ * enabled later. */
+ r = sd_event_add_defer(s->events, &source->buffer_event,
+ dispatch_raw_source_until_block, source);
+ if (r == 0)
+ sd_event_source_set_enabled(source->buffer_event, SD_EVENT_OFF);
+ } else if (r == -EPERM) {
log_debug("Falling back to sd_event_add_defer for fd:%d (%s)", fd, name);
r = sd_event_add_defer(s->events, &source->event,
dispatch_blocking_source_event, source);
sd_event_source_set_enabled(source->event, SD_EVENT_ON);
}
if (r < 0) {
- log_error("Failed to register event source for fd:%d: %s",
- fd, strerror(-r));
+ log_error_errno(r, "Failed to register event source for fd:%d: %m",
+ fd);
goto error;
}
r = sd_event_source_set_description(source->event, name);
if (r < 0) {
- log_error("Failed to set source name for fd:%d: %s", fd, strerror(-r));
+ log_error_errno(r, "Failed to set source name for fd:%d: %m", fd);
goto error;
}
static int add_raw_socket(RemoteServer *s, int fd) {
int r;
_cleanup_close_ int fd_ = fd;
- char name[strlen("raw-socket-") + DECIMAL_STR_MAX(int)];
+ char name[sizeof("raw-socket-")-1 + DECIMAL_STR_MAX(int) + 1];
assert(fd >= 0);
if (r < 0)
return r;
- snprintf(name, sizeof(name), "raw-socket-%d", fd);
+ xsprintf(name, "raw-socket-%d", fd);
r = sd_event_source_set_description(s->listen_event, name);
if (r < 0)
return 0;
r = get_writer(server, hostname, &writer);
- if (r < 0) {
- log_warning("Failed to get writer for source %s: %s",
- hostname, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_warning_errno(r, "Failed to get writer for source %s: %m",
+ hostname);
source = source_new(fd, true, hostname, writer);
if (!source) {
assert(fd >= 0);
r = fd_nonblock(fd, true);
- if (r < 0) {
- log_error("Failed to make fd:%d nonblocking: %s", fd, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to make fd:%d nonblocking: %m", fd);
if (key) {
assert(cert);
epoll_fd, EPOLLIN,
dispatch_http_event, d);
if (r < 0) {
- log_error("Failed to add event callback: %s", strerror(-r));
+ log_error_errno(r, "Failed to add event callback: %m");
goto error;
}
r = sd_event_source_set_description(d->event, "epoll-fd");
if (r < 0) {
- log_error("Failed to set source name: %s", strerror(-r));
+ log_error_errno(r, "Failed to set source name: %m");
goto error;
}
r = hashmap_put(s->daemons, &d->fd, d);
if (r < 0) {
- log_error("Failed to add daemon to hashmap: %s", strerror(-r));
+ log_error_errno(r, "Failed to add daemon to hashmap: %m");
goto error;
}
const char *trust) {
int fd;
- fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM | SOCK_CLOEXEC);
+ fd = make_socket_fd(LOG_DEBUG, address, SOCK_STREAM | SOCK_CLOEXEC);
if (fd < 0)
return fd;
}
r = sd_event_default(&s->events);
- if (r < 0) {
- log_error("Failed to allocate event loop: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate event loop: %m");
setup_signals(s);
return r;
n = sd_listen_fds(true);
- if (n < 0) {
- log_error("Failed to read listening file descriptors from environment: %s",
- strerror(-n));
- return n;
- } else
- log_info("Received %d descriptors", n);
+ if (n < 0)
+ return log_error_errno(n, "Failed to read listening file descriptors from environment: %m");
+ else
+ log_debug("Received %d descriptors", n);
if (MAX(http_socket, https_socket) >= SD_LISTEN_FDS_START + n) {
log_error("Received fewer sockets than expected");
for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {
if (sd_is_socket(fd, AF_UNSPEC, 0, true)) {
- log_info("Received a listening socket (fd:%d)", fd);
+ log_debug("Received a listening socket (fd:%d)", fd);
if (fd == http_socket)
r = setup_microhttpd_server(s, fd, NULL, NULL, NULL);
char *hostname;
r = getnameinfo_pretty(fd, &hostname);
- if (r < 0) {
- log_error("Failed to retrieve remote name: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to retrieve remote name: %m");
- log_info("Received a connection socket (fd:%d) from %s", fd, hostname);
+ log_debug("Received a connection socket (fd:%d) from %s", fd, hostname);
r = add_source(s, fd, hostname, true);
} else {
return -EINVAL;
}
- if(r < 0) {
- log_error("Failed to register socket (fd:%d): %s",
- fd, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to register socket (fd:%d): %m",
+ fd);
}
if (arg_url) {
const char *url, *hostname;
- url = strappenda(arg_url, "/entries");
+ url = strjoina(arg_url, "/entries");
if (arg_getter) {
log_info("Spawning getter %s...", url);
}
if (arg_listen_raw) {
- log_info("Listening on a socket...");
+ log_debug("Listening on a socket...");
r = setup_raw_socket(s, arg_listen_raw);
if (r < 0)
return r;
const char *output_name;
if (streq(*file, "-")) {
- log_info("Using standard input as source.");
+ log_debug("Using standard input as source.");
fd = STDIN_FILENO;
output_name = "stdin";
} else {
- log_info("Reading file %s...", *file);
+ log_debug("Reading file %s...", *file);
fd = open(*file, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
- if (fd < 0) {
- log_error("Failed to open %s: %m", *file);
- return -errno;
- }
+ if (fd < 0)
+ return log_error_errno(errno, "Failed to open %s: %m", *file);
output_name = *file;
}
**********************************************************************
**********************************************************************/
-static int dispatch_raw_source_event(sd_event_source *event,
- int fd,
- uint32_t revents,
- void *userdata) {
+static int handle_raw_source(sd_event_source *event,
+ int fd,
+ uint32_t revents,
+ RemoteServer *s) {
- RemoteServer *s = userdata;
RemoteSource *source;
int r;
+ /* Returns 1 if there might be more data pending,
+ * 0 if data is currently exhausted, negative on error.
+ */
+
assert(fd >= 0 && fd < (ssize_t) s->sources_size);
source = s->sources[fd];
assert(source->fd == fd);
if (source->state == STATE_EOF) {
size_t remaining;
- log_info("EOF reached with source fd:%d (%s)",
- source->fd, source->name);
+ log_debug("EOF reached with source fd:%d (%s)",
+ source->fd, source->name);
remaining = source_non_empty(source);
if (remaining > 0)
- log_warning("Premature EOF. %zu bytes lost.", remaining);
+ log_notice("Premature EOF. %zu bytes lost.", remaining);
remove_source(s, source->fd);
- log_info("%zd active sources remaining", s->active);
+ log_debug("%zu active sources remaining", s->active);
return 0;
} else if (r == -E2BIG) {
- log_error("Entry too big, skipped");
+ log_notice_errno(E2BIG, "Entry too big, skipped");
return 1;
- } else if (r == -EAGAIN) {
+ } else if (r == -EAGAIN || r == -EWOULDBLOCK) {
return 0;
} else if (r < 0) {
- log_info("Closing connection: %s", strerror(-r));
+ log_debug_errno(r, "Closing connection: %m");
remove_source(server, fd);
return 0;
} else
return 1;
}
+static int dispatch_raw_source_until_block(sd_event_source *event,
+ void *userdata) {
+ RemoteSource *source = userdata;
+ int r;
+
+ /* Make sure event stays around even if source is destroyed */
+ sd_event_source_ref(event);
+
+ r = handle_raw_source(event, source->fd, EPOLLIN, server);
+ if (r != 1)
+ /* No more data for now */
+ sd_event_source_set_enabled(event, SD_EVENT_OFF);
+
+ sd_event_source_unref(event);
+
+ return r;
+}
+
+static int dispatch_raw_source_event(sd_event_source *event,
+ int fd,
+ uint32_t revents,
+ void *userdata) {
+ RemoteSource *source = userdata;
+ int r;
+
+ assert(source->event);
+ assert(source->buffer_event);
+
+ r = handle_raw_source(event, fd, EPOLLIN, server);
+ if (r == 1)
+ /* Might have more data. We need to rerun the handler
+ * until we are sure the buffer is exhausted. */
+ sd_event_source_set_enabled(source->buffer_event, SD_EVENT_ON);
+
+ return r;
+}
+
static int dispatch_blocking_source_event(sd_event_source *event,
void *userdata) {
RemoteSource *source = userdata;
- return dispatch_raw_source_event(event, source->fd, EPOLLIN, server);
+ return handle_raw_source(event, source->fd, EPOLLIN, server);
}
static int accept_connection(const char* type, int fd,
log_debug("Accepting new %s connection on fd:%d", type, fd);
fd2 = accept4(fd, &addr->sockaddr.sa, &addr->size, SOCK_NONBLOCK|SOCK_CLOEXEC);
- if (fd2 < 0) {
- log_error("accept() on fd:%d failed: %m", fd);
- return -errno;
- }
+ if (fd2 < 0)
+ return log_error_errno(errno, "accept() on fd:%d failed: %m", fd);
switch(socket_address_family(addr)) {
case AF_INET:
r = socket_address_print(addr, &a);
if (r < 0) {
- log_error("socket_address_print(): %s", strerror(-r));
+ log_error_errno(r, "socket_address_print(): %m");
close(fd2);
return r;
}
return r;
}
- log_info("Accepted %s %s connection from %s",
- type,
- socket_address_family(addr) == AF_INET ? "IP" : "IPv6",
- a);
+ log_debug("Accepted %s %s connection from %s",
+ type,
+ socket_address_family(addr) == AF_INET ? "IP" : "IPv6",
+ a);
*hostname = b;
{ "Remote", "TrustedCertificateFile", config_parse_path, 0, &arg_trust },
{}};
- return config_parse(NULL, PKGSYSCONFDIR "/journal-remote.conf", NULL,
- "Remote\0",
- config_item_table_lookup, items,
- false, false, true, NULL);
+ return config_parse_many(PKGSYSCONFDIR "/journal-remote.conf",
+ CONF_DIRS_NULSTR("systemd/journal-remote.conf"),
+ "Remote\0", config_item_table_lookup, items,
+ false, NULL);
}
static void help(void) {
int r;
r = read_full_file(arg_key ?: PRIV_KEY_FILE, key, NULL);
- if (r < 0) {
- log_error("Failed to read key from file '%s': %s",
- arg_key ?: PRIV_KEY_FILE, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to read key from file '%s': %m",
+ arg_key ?: PRIV_KEY_FILE);
r = read_full_file(arg_cert ?: CERT_FILE, cert, NULL);
- if (r < 0) {
- log_error("Failed to read certificate from file '%s': %s",
- arg_cert ?: CERT_FILE, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to read certificate from file '%s': %m",
+ arg_cert ?: CERT_FILE);
if (arg_trust_all)
log_info("Certificate checking disabled.");
else {
r = read_full_file(arg_trust ?: TRUST_FILE, trust, NULL);
- if (r < 0) {
- log_error("Failed to read CA certificate file '%s': %s",
- arg_trust ?: TRUST_FILE, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to read CA certificate file '%s': %m",
+ arg_trust ?: TRUST_FILE);
}
return 0;
gnutls_global_set_log_function(log_func_gnutls);
- if (categories)
+ if (categories) {
STRV_FOREACH(cat, categories) {
r = log_enable_gnutls_category(*cat);
if (r < 0)
return r;
}
- else
+ } else
log_reset_gnutls_level();
}
#endif
r = sd_event_set_watchdog(s.events, true);
if (r < 0)
- log_error("Failed to enable watchdog: %s", strerror(-r));
+ log_error_errno(r, "Failed to enable watchdog: %m");
else
log_debug("Watchdog is %s.", r > 0 ? "enabled" : "disabled");
r = sd_event_run(s.events, -1);
if (r < 0) {
- log_error("Failed to run event loop: %s", strerror(-r));
+ log_error_errno(r, "Failed to run event loop: %m");
break;
}
}
~ianmdlvl / elogind.git / blobdiff