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62 lines
1.6 KiB
62 lines
1.6 KiB
From d4a484db1684cce15966bb722644416f90253ea7 Mon Sep 17 00:00:00 2001
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From: Yousong Zhou <yszhou4tech@gmail.com>
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Date: Thu, 30 Apr 2015 13:53:11 +0800
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Subject: [PATCH 5/7] xl2tpd-control: cleaup result file atexit().
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---
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xl2tpd-control.c | 20 +++++++++++++-------
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1 file changed, 13 insertions(+), 7 deletions(-)
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--- a/xl2tpd-control.c
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+++ b/xl2tpd-control.c
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@@ -35,6 +35,9 @@
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#define TUNNEL_REQUIRED 1
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#define TUNNEL_NOT_REQUIRED 0
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+char result_filename[128];
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+int result_fd = -1;
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+
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int log_level = ERROR_LEVEL;
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void print_error (int level, const char *fmt, ...);
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@@ -117,6 +120,14 @@ void help()
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);
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}
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+void cleanup(void)
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+{
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+ /* cleaning up */
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+ if (result_fd >= 0)
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+ close (result_fd);
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+ unlink (result_filename);
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+}
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+
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int main (int argc, char *argv[])
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{
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char* control_filename = NULL;
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@@ -195,11 +206,11 @@ int main (int argc, char *argv[])
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FILE* mesf = fmemopen (buf, CONTROL_PIPE_MESSAGE_SIZE, "w");
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/* create result pipe for reading */
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- char result_filename[128];
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snprintf (result_filename, 128, RESULT_FILENAME_FORMAT, getpid());
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unlink (result_filename);
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mkfifo (result_filename, 0600);
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- int result_fd = open (result_filename, O_RDONLY | O_NONBLOCK, 0600);
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+ atexit(cleanup);
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+ result_fd = open (result_filename, O_RDONLY | O_NONBLOCK, 0600);
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if (result_fd < 0)
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{
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print_error (ERROR_LEVEL,
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@@ -293,11 +304,6 @@ int main (int argc, char *argv[])
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);
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printf ("%s", rbuf);
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- /* cleaning up */
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-
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- close (result_fd);
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- unlink (result_filename);
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-
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return command_result_code;
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}
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