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Exit when we can't write to a configured pid file
This is probably what the user wants, according to 20119.
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3
changes/feature20119_1
Normal file
3
changes/feature20119_1
Normal file
@ -0,0 +1,3 @@
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o Minor features (startup, safety):
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- When configured to write a PID file, Tor now exits if it is unable to
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do so. Previously, it would warn and continue. Closes ticket 20119.
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@ -3691,8 +3691,9 @@ finish_daemon(const char *cp)
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#endif
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/** Write the current process ID, followed by NL, into <b>filename</b>.
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* Return 0 on success, -1 on failure.
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*/
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void
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int
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write_pidfile(const char *filename)
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{
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FILE *pidfile;
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@ -3700,13 +3701,19 @@ write_pidfile(const char *filename)
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if ((pidfile = fopen(filename, "w")) == NULL) {
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log_warn(LD_FS, "Unable to open \"%s\" for writing: %s", filename,
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strerror(errno));
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return -1;
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} else {
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#ifdef _WIN32
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fprintf(pidfile, "%d\n", (int)_getpid());
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int pid = (int)_getpid();
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#else
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fprintf(pidfile, "%d\n", (int)getpid());
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int pid = (int)getpid();
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#endif
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fclose(pidfile);
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int rv = 0;
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if (fprintf(pidfile, "%d\n", pid) < 0)
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rv = -1;
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if (fclose(pidfile) < 0)
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rv = -1;
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return rv;
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}
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}
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@ -389,7 +389,7 @@ int path_is_relative(const char *filename);
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/* Process helpers */
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void start_daemon(void);
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void finish_daemon(const char *desired_cwd);
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void write_pidfile(const char *filename);
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int write_pidfile(const char *filename);
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/* Port forwarding */
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void tor_check_port_forwarding(const char *filename,
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@ -1772,9 +1772,13 @@ options_act(const or_options_t *old_options)
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}
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/* Write our PID to the PID file. If we do not have write permissions we
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* will log a warning */
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* will log a warning and exit. */
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if (options->PidFile && !sandbox_is_active()) {
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write_pidfile(options->PidFile);
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if (write_pidfile(options->PidFile) < 0) {
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log_err(LD_CONFIG, "Unable to write PIDFile %s",
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escaped(options->PidFile));
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return -1;
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}
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}
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/* Register addressmap directives */
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