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authorLennart Poettering <lennart@poettering.net>2015-01-05 00:52:47 +0100
committerLennart Poettering <lennart@poettering.net>2015-01-05 01:40:51 +0100
commit2cf4172a71860c6e44edd27a3b68047ae062d7fc (patch)
treef55e2a8c0eff662d0ab7471ef8ac2526fe19ed36 /src/journal-remote/journal-upload.c
parentb798e7baa5dc3ca6199bbff69f71a08d94299fdd (diff)
journal: install sigbus handler for journal tools too
This makes them robust regarding truncation. Ideally, we'd export this as an API, but given how messy SIGBUS handling is, and the uncertain ownership logic of signal handlers we should not do this (unless libc one day invents a scheme how to sanely install SIGBUS handlers for specific memory areas only). However, for now we can still make all our own tools robust. Note that external tools will only have read-access to the journal anyway, where SIGBUS is much more unlikely, given that only writes are subject to disk full problems.
Diffstat (limited to 'src/journal-remote/journal-upload.c')
-rw-r--r--src/journal-remote/journal-upload.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/journal-remote/journal-upload.c b/src/journal-remote/journal-upload.c
index 62853b6367..5b25da56d3 100644
--- a/src/journal-remote/journal-upload.c
+++ b/src/journal-remote/journal-upload.c
@@ -26,13 +26,13 @@
#include <getopt.h>
#include "sd-daemon.h"
-
#include "log.h"
#include "util.h"
#include "build.h"
#include "fileio.h"
#include "mkdir.h"
#include "conf-parser.h"
+#include "sigbus.h"
#include "journal-upload.h"
#define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-upload.pem"
@@ -40,14 +40,10 @@
#define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem"
#define DEFAULT_PORT 19532
-static const char* arg_url;
-
-static void close_fd_input(Uploader *u);
-
+static const char* arg_url = NULL;
static const char *arg_key = NULL;
static const char *arg_cert = NULL;
static const char *arg_trust = NULL;
-
static const char *arg_directory = NULL;
static char **arg_file = NULL;
static const char *arg_cursor = NULL;
@@ -58,6 +54,8 @@ static bool arg_merge = false;
static int arg_follow = -1;
static const char *arg_save_state = NULL;
+static void close_fd_input(Uploader *u);
+
#define SERVER_ANSWER_KEEP 2048
#define STATE_FILE "/var/lib/systemd/journal-upload/state"
@@ -792,6 +790,8 @@ int main(int argc, char **argv) {
if (r <= 0)
goto finish;
+ sigbus_install();
+
r = setup_uploader(&u, arg_url, arg_save_state);
if (r < 0)
goto cleanup;