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[Qemu-devel] [PATCH 2/2] qemu-ga: add ga_open_logfile()
From: |
Luiz Capitulino |
Subject: |
[Qemu-devel] [PATCH 2/2] qemu-ga: add ga_open_logfile() |
Date: |
Tue, 8 Jan 2013 19:26:26 -0200 |
This function sets O_CLOEXEC on the log file fd so that it isn't
leaked to executed processes.
Signed-off-by: Luiz Capitulino <address@hidden>
---
qga/main.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/qga/main.c b/qga/main.c
index e4245cc..15be74f 100644
--- a/qga/main.c
+++ b/qga/main.c
@@ -236,6 +236,19 @@ void ga_set_response_delimited(GAState *s)
s->delimit_response = true;
}
+static FILE *ga_open_logfile(const char *logfile)
+{
+ FILE *f;
+
+ f = fopen(logfile, "a");
+ if (!f) {
+ return NULL;
+ }
+
+ qemu_set_cloexec(fileno(f));
+ return f;
+}
+
#ifndef _WIN32
static bool ga_open_pidfile(const char *pidfile)
{
@@ -377,7 +390,7 @@ void ga_unset_frozen(GAState *s)
* in a frozen state at start up, do it now
*/
if (s->deferred_options.log_filepath) {
- s->log_file = fopen(s->deferred_options.log_filepath, "a");
+ s->log_file = ga_open_logfile(s->deferred_options.log_filepath);
if (!s->log_file) {
s->log_file = stderr;
}
@@ -838,7 +851,7 @@ int main(int argc, char **argv)
become_daemon(pid_filepath);
}
if (log_filepath) {
- FILE *log_file = fopen(log_filepath, "a");
+ FILE *log_file = ga_open_logfile(log_filepath);
if (!log_file) {
g_critical("unable to open specified log file: %s",
strerror(errno));
--
1.8.0