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Allow command-line options to override asterisk.conf.

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Previous versions of Asterisk processed command-line options before
processing asterisk.conf.  This meant that if an option was set in
asterisk.conf, it could not be overridden with the equivelent command
line option.  This change causes Asterisk to process the command-line
twice.  First it processes options that are needed to load asterisk.conf,
then it processes the remaining options after the config is read.

This changes the function of -X slightly.  Previously using -X without
disabling execincludes in asterisk.conf caused #exec to be usable in any
config.  Now -X only enables #exec for the load of asterisk.conf, if it
is wanted in the rest of the system it must be enabled with execincludes
in asterisk.conf.  Updated 'asterisk -h' and 'man asterisk' to reflect
the limited function of -X.

ASTERISK-25042 #close
Reported by: Corey Farrell

Change-Id: I1450d45c15b4467274b871914d893ed4f6564cd7
changes/92/392/6
Corey Farrell 10 years ago
parent cc853dcf90
commit 57386dcb67
5 changed files with 92 additions and 43 deletions
Show Stats Download Patch File Download Diff File

6
CHANGES
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@ -104,6 +104,12 @@ Core
for DNS functionality. Modules that use this functionality will require that
a DNS resolver module is loaded and available.
* Modified processing of command-line options to first parse only what
is necessary to read asterisk.conf. Once asterisk.conf is fully loaded,
the remaining options are processed. The -X option now applies to
asterisk.conf only. To enable #exec for other config files you must
set execincludes=yes in asterisk.conf. Any other option set on the
command-line will now override the equivalent setting from asterisk.conf.
Functions
------------------

7
UPGRADE.txt
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@ -36,6 +36,13 @@ Core:
The setting can be overridden in asterisk.conf by setting refdebug in
the options category. No recompile is required to enable/disable it.
- Modified processing of command-line options to first parse only what
is necessary to read asterisk.conf. Once asterisk.conf is fully loaded,
the remaining options are processed. The -X option now applies to
asterisk.conf only. To enable #exec for other config files you must
set execincludes=yes in asterisk.conf. Any other option set on the
command-line will now override the equivalent setting from asterisk.conf.
AMI:
- The 'ModuleCheck' Action's Version key will no longer show the module
version. The value will always be blank.

5
doc/asterisk.8
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@ -232,9 +232,8 @@ then terminating when the command execution completes. Implies
supplied.
.TP
\-X
Enables executing of includes via \fB#exec\fR directive.
This can be useful if You want to do \fB#exec\fR inside
\*(T<\fIasterisk.conf\fR\*(T>
Enables executing of includes via \fB#exec\fR directive inside
\*(T<\fIasterisk.conf\fR\*(T>.
.SH EXAMPLES
\fBasterisk\fR - Begin Asterisk as a daemon
.PP

3
include/asterisk/options.h
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@ -66,8 +66,6 @@ enum ast_option_flags {
AST_OPT_FLAG_CACHE_RECORD_FILES = (1 << 13),
/*! Display timestamp in CLI verbose output */
AST_OPT_FLAG_TIMESTAMP = (1 << 14),
/*! Override config */
AST_OPT_FLAG_OVERRIDE_CONFIG = (1 << 15),
/*! Reconnect */
AST_OPT_FLAG_RECONNECT = (1 << 16),
/*! Transmit Silence during Record() and DTMF Generation */
@ -119,7 +117,6 @@ enum ast_option_flags {
#define ast_opt_dump_core ast_test_flag(&ast_options, AST_OPT_FLAG_DUMP_CORE)
#define ast_opt_cache_record_files ast_test_flag(&ast_options, AST_OPT_FLAG_CACHE_RECORD_FILES)
#define ast_opt_timestamp ast_test_flag(&ast_options, AST_OPT_FLAG_TIMESTAMP)
#define ast_opt_override_config ast_test_flag(&ast_options, AST_OPT_FLAG_OVERRIDE_CONFIG)
#define ast_opt_reconnect ast_test_flag(&ast_options, AST_OPT_FLAG_RECONNECT)
#define ast_opt_transmit_silence ast_test_flag(&ast_options, AST_OPT_FLAG_TRANSMIT_SILENCE)
#define ast_opt_dont_warn ast_test_flag(&ast_options, AST_OPT_FLAG_DONT_WARN)

114
main/asterisk.c
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@ -3352,7 +3352,7 @@ static int show_cli_help(void)
printf(" -G <group> Run as a group other than the caller\n");
printf(" -U <user> Run as a user other than the caller\n");
printf(" -c Provide console CLI\n");
printf(" -d Enable extra debugging\n");
printf(" -d Increase debugging (multiple d's = more debugging)\n");
#if HAVE_WORKING_FORK
printf(" -f Do not fork\n");
printf(" -F Always fork\n");
@ -3375,7 +3375,7 @@ static int show_cli_help(void)
printf(" of output to the CLI\n");
printf(" -v Increase verbosity (multiple v's = more verbose)\n");
printf(" -x <cmd> Execute command <cmd> (implies -r)\n");
printf(" -X Execute includes by default (allows #exec in asterisk.conf)\n");
printf(" -X Enable use of #exec in asterisk.conf\n");
printf(" -W Adjust terminal colors to compensate for a light background\n");
printf("\n");
return 0;
@ -3385,7 +3385,6 @@ static void ast_readconfig(void)
{
struct ast_config *cfg;
struct ast_variable *v;
char *config = DEFAULT_CONFIG_FILE;
char hostname[MAXHOSTNAMELEN] = "";
struct ast_flags config_flags = { CONFIG_FLAG_NOREALTIME };
struct {
@ -3394,19 +3393,12 @@ static void ast_readconfig(void)
} found = { 0, 0 };
/* Default to false for security */
int live_dangerously = 0;
int option_debug_new = 0;
int option_verbose_new = 0;
/* Set default value */
option_dtmfminduration = AST_MIN_DTMF_DURATION;
if (ast_opt_override_config) {
cfg = ast_config_load2(ast_config_AST_CONFIG_FILE, "" /* core, can't reload */, config_flags);
if (cfg == CONFIG_STATUS_FILEMISSING || cfg == CONFIG_STATUS_FILEUNCHANGED || cfg == CONFIG_STATUS_FILEINVALID) {
fprintf(stderr, "Unable to open specified master config file '%s', using built-in defaults\n", ast_config_AST_CONFIG_FILE);
}
} else {
cfg = ast_config_load2(config, "" /* core, can't reload */, config_flags);
}
/* init with buildtime config */
ast_copy_string(cfg_paths.config_dir, DEFAULT_CONFIG_DIR, sizeof(cfg_paths.config_dir));
ast_copy_string(cfg_paths.spool_dir, DEFAULT_SPOOL_DIR, sizeof(cfg_paths.spool_dir));
@ -3432,8 +3424,15 @@ static void ast_readconfig(void)
ast_set_default_eid(&ast_eid_default);
cfg = ast_config_load2(ast_config_AST_CONFIG_FILE, "" /* core, can't reload */, config_flags);
/* If AST_OPT_FLAG_EXEC_INCLUDES was previously enabled with -X turn it off now.
* Using #exec from other configs requires that it be enabled from asterisk.conf. */
ast_clear_flag(&ast_options, AST_OPT_FLAG_EXEC_INCLUDES);
/* no asterisk.conf? no problem, use buildtime config! */
if (cfg == CONFIG_STATUS_FILEMISSING || cfg == CONFIG_STATUS_FILEUNCHANGED || cfg == CONFIG_STATUS_FILEINVALID) {
fprintf(stderr, "Unable to open specified master config file '%s', using built-in defaults\n", ast_config_AST_CONFIG_FILE);
return;
}
@ -3487,7 +3486,7 @@ static void ast_readconfig(void)
for (v = ast_variable_browse(cfg, "options"); v; v = v->next) {
/* verbose level (-v at startup) */
if (!strcasecmp(v->name, "verbose")) {
option_verbose = atoi(v->value);
option_verbose_new = atoi(v->value);
/* whether or not to force timestamping in CLI verbose output. (-T at startup) */
} else if (!strcasecmp(v->name, "timestamp")) {
ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_TIMESTAMP);
@ -3496,9 +3495,9 @@ static void ast_readconfig(void)
ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_EXEC_INCLUDES);
/* debug level (-d at startup) */
} else if (!strcasecmp(v->name, "debug")) {
option_debug = 0;
if (sscanf(v->value, "%30d", &option_debug) != 1) {
option_debug = ast_true(v->value) ? 1 : 0;
option_debug_new = 0;
if (sscanf(v->value, "%30d", &option_debug_new) != 1) {
option_debug_new = ast_true(v->value) ? 1 : 0;
}
} else if (!strcasecmp(v->name, "refdebug")) {
ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_REF_DEBUG);
@ -3647,6 +3646,9 @@ static void ast_readconfig(void)
pbx_live_dangerously(live_dangerously);
}
option_debug += option_debug_new;
option_verbose += option_verbose_new;
ast_config_destroy(cfg);
}
@ -3787,9 +3789,9 @@ int main(int argc, char *argv[])
int isroot = 1, rundir_exists = 0;
char *buf;
const char *runuser = NULL, *rungroup = NULL;
char *remotesock = NULL;
int moduleresult; /*!< Result from the module load subsystem */
struct rlimit l;
static const char *getopt_settings = "BC:cde:FfG:ghIiL:M:mnpqRrs:TtU:VvWXx:";
/* Remember original args for restart */
if (argc > ARRAY_LEN(_argv) - 1) {
@ -3813,11 +3815,57 @@ int main(int argc, char *argv[])
if (getenv("HOME"))
snprintf(filename, sizeof(filename), "%s/.asterisk_history", getenv("HOME"));
/* Set config file to default before checking arguments for override. */
ast_copy_string(cfg_paths.config_file, DEFAULT_CONFIG_FILE, sizeof(cfg_paths.config_file));
/* Process command-line options that effect asterisk.conf load. */
while ((c = getopt(argc, argv, getopt_settings)) != -1) {
switch (c) {
case 'X':
ast_set_flag(&ast_options, AST_OPT_FLAG_EXEC_INCLUDES);
break;
case 'C':
ast_copy_string(cfg_paths.config_file, optarg, sizeof(cfg_paths.config_file));
break;
case 'd':
option_debug++;
break;
case 'h':
show_cli_help();
exit(0);
case 'R':
case 'r':
case 'x':
/* ast_opt_remote is checked during config load. This is only part of what
* these options do, see the second loop for the rest of the actions. */
ast_set_flag(&ast_options, AST_OPT_FLAG_REMOTE);
break;
case 'V':
show_version();
exit(0);
case 'v':
option_verbose++;
break;
case '?':
exit(1);
}
}
/* Initialize env so it is available if #exec is used in asterisk.conf. */
env_init();
ast_readconfig();
/* Update env to include any systemname that was set. */
env_init();
/*! \brief Check for options
*
* \todo Document these options
*/
while ((c = getopt(argc, argv, "BC:cde:FfG:ghIiL:M:mnpqRrs:TtU:VvWXx:")) != -1) {
optind = 0;
while ((c = getopt(argc, argv, getopt_settings)) != -1) {
/*!\note Please keep the ordering here to alphabetical, capital letters
* first. This will make it easier in the future to select unused
* option flags for new features. */
@ -3827,18 +3875,16 @@ int main(int argc, char *argv[])
ast_clear_flag(&ast_options, AST_OPT_FLAG_LIGHT_BACKGROUND);
break;
case 'X':
ast_set_flag(&ast_options, AST_OPT_FLAG_EXEC_INCLUDES);
/* The command-line -X option enables #exec for asterisk.conf only. */
break;
case 'C':
ast_copy_string(cfg_paths.config_file, optarg, sizeof(cfg_paths.config_file));
ast_set_flag(&ast_options, AST_OPT_FLAG_OVERRIDE_CONFIG);
/* already processed. */
break;
case 'c':
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_FORK | AST_OPT_FLAG_CONSOLE);
break;
case 'd':
option_debug++;
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_FORK);
/* already processed. */
break;
#if defined(HAVE_SYSINFO)
case 'e':
@ -3862,8 +3908,8 @@ int main(int argc, char *argv[])
ast_set_flag(&ast_options, AST_OPT_FLAG_DUMP_CORE);
break;
case 'h':
show_cli_help();
exit(0);
/* already processed. */
break;
case 'I':
fprintf(stderr,
"NOTICE: The -I option is no longer needed.\n"
@ -3901,7 +3947,9 @@ int main(int argc, char *argv[])
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_FORK | AST_OPT_FLAG_REMOTE);
break;
case 's':
remotesock = ast_strdupa(optarg);
if (ast_opt_remote) {
ast_copy_string((char *) cfg_paths.socket_path, optarg, sizeof(cfg_paths.socket_path));
}
break;
case 'T':
ast_set_flag(&ast_options, AST_OPT_FLAG_TIMESTAMP);
@ -3913,11 +3961,8 @@ int main(int argc, char *argv[])
runuser = ast_strdupa(optarg);
break;
case 'V':
show_version();
exit(0);
case 'v':
option_verbose++;
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_FORK);
/* already processed. */
break;
case 'W': /* White background */
ast_set_flag(&ast_options, AST_OPT_FLAG_LIGHT_BACKGROUND);
@ -3931,7 +3976,8 @@ int main(int argc, char *argv[])
xarg = ast_strdupa(optarg);
break;
case '?':
exit(1);
/* already processed. */
break;
}
}
@ -3945,12 +3991,6 @@ int main(int argc, char *argv[])
}
}
ast_readconfig();
env_init();
if (ast_opt_remote && remotesock != NULL)
ast_copy_string((char *) cfg_paths.socket_path, remotesock, sizeof(cfg_paths.socket_path));
if (!ast_language_is_prefix && !ast_opt_remote) {
fprintf(stderr, "The 'languageprefix' option in asterisk.conf is deprecated; in a future release it will be removed, and your sound files will need to be organized in the 'new style' language layout.\n");
}

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