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Allow overriding logfile and pidfile path from command line.

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This commit is contained in:
Julien Hartmann 2017-05-30 13:49:50 +00:00
parent cb6f868739
commit 34b4c8ef8c
4 changed files with 75 additions and 10 deletions
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8
docs/man8/tinyproxy.txt.in
View File

@ -40,9 +40,15 @@ OPTIONS
*-h*::
Display a short help screen of command line arguments and exit.
*-l*::
*-L*::
Display the licensing agreement.
*-l <logfile>*::
Set log file path. Overrides configuration file *LogFile* directive.
*-p <pidfile>*::
Set pidfile path. Overrides configuration file *PidFile* directive.
*-v*::
Display version information and exit.

30
src/conf.c
View File

@ -542,7 +542,7 @@ static void initialize_with_defaults (struct config_s *conf,
* Load the configuration.
*/
int reload_config_file (const char *config_fname, struct config_s *conf,
struct config_s *defaults)
struct config_s *defaults, struct config_s *overrides)
{
int ret;
@ -582,6 +582,34 @@ int reload_config_file (const char *config_fname, struct config_s *conf,
conf->idletimeout = MAX_IDLE_TIME;
}
/* Copy overridable values. */
if (overrides->logf_name != NULL) {
if (conf->logf_name != NULL) {
safefree (conf->logf_name);
}
conf->logf_name = safestrdup (overrides->logf_name);
if (!conf->logf_name) {
fprintf (stderr,
"%s: Could not allocate memory.\n",
PACKAGE);
ret = -1;
}
conf->syslog = 0;
}
if (overrides->pidpath != NULL) {
if (conf->pidpath != NULL) {
safefree (conf->pidpath);
}
conf->pidpath = safestrdup (overrides->pidpath);
if (!conf->pidpath) {
fprintf (stderr,
"%s: Could not allocate memory.\n",
PACKAGE);
ret = -1;
}
}
done:
return ret;
}

2
src/conf.h
View File

@ -113,7 +113,7 @@ struct config_s {
};
extern int reload_config_file (const char *config_fname, struct config_s *conf,
struct config_s *defaults);
struct config_s *defaults, struct config_s *overrides);
int config_compile_regex (void);

45
src/main.c
View File

@ -50,6 +50,7 @@
*/
struct config_s config;
struct config_s config_defaults;
struct config_s config_overrides;
unsigned int received_sighup = FALSE; /* boolean */
/*
@ -149,8 +150,10 @@ display_usage (void)
"Options are:\n"
" -d Do not daemonize (run in foreground).\n"
" -c FILE Use an alternate configuration file.\n"
" -l FILE Set log file path (overrides config file)\n"
" -p FILE Set pid file path (overrides config file)\n"
" -h Display this usage information.\n"
" -l Display the license.\n"
" -L Display the license.\n"
" -v Display version information.\n");
/* Display the modes compiled into tinyproxy */
@ -220,17 +223,17 @@ get_id (char *str)
* This function parses command line arguments.
**/
static void
process_cmdline (int argc, char **argv, struct config_s *conf)
process_cmdline (int argc, char **argv, struct config_s *conf, struct config_s *overrides)
{
int opt;
while ((opt = getopt (argc, argv, "c:vldh")) != EOF) {
while ((opt = getopt (argc, argv, "c:l:p:vLdh")) != EOF) {
switch (opt) {
case 'v':
display_version ();
exit (EX_OK);
case 'l':
case 'L':
display_license ();
exit (EX_OK);
@ -251,6 +254,32 @@ process_cmdline (int argc, char **argv, struct config_s *conf)
}
break;
case 'l':
if (overrides->logf_name != NULL) {
safefree (overrides->logf_name);
}
overrides->logf_name = safestrdup (optarg);
if (!overrides->logf_name) {
fprintf (stderr,
"%s: Could not allocate memory.\n",
argv[0]);
exit (EX_SOFTWARE);
}
break;
case 'p':
if (overrides->pidpath != NULL) {
safefree (overrides->pidpath);
}
overrides->pidpath = safestrdup (optarg);
if (!overrides->pidpath) {
fprintf (stderr,
"%s: Could not allocate memory.\n",
argv[0]);
exit (EX_SOFTWARE);
}
break;
case 'h':
display_usage ();
exit (EX_OK);
@ -370,7 +399,7 @@ int reload_config (void)
shutdown_logging ();
ret = reload_config_file (config_defaults.config_file, &config,
&config_defaults);
&config_defaults, &config_overrides);
if (ret != 0) {
goto done;
}
@ -396,11 +425,13 @@ main (int argc, char **argv)
}
initialize_config_defaults (&config_defaults);
process_cmdline (argc, argv, &config_defaults);
memset (&config_overrides, 0, sizeof(config_overrides));
process_cmdline (argc, argv, &config_defaults, &config_overrides);
if (reload_config_file (config_defaults.config_file,
&config,
&config_defaults)) {
&config_defaults,
&config_overrides)) {
exit (EX_SOFTWARE);
}