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      1 /*	$NetBSD: master_vars.c,v 1.3 2022/10/08 16:12:46 christos Exp $	*/
      2 
      3 /*++
      4 /* NAME
      5 /*	master_vars 3
      6 /* SUMMARY
      7 /*	Postfix master - global configuration file access
      8 /* SYNOPSIS
      9 /*	#include "master.h"
     10 /*
     11 /*	void	master_vars_init()
     12 /* DESCRIPTION
     13 /*	master_vars_init() reads values from the global Postfix configuration
     14 /*	file and assigns them to tunable program parameters. Where no value
     15 /*	is specified, a compiled-in default value is used.
     16 /* LICENSE
     17 /* .ad
     18 /* .fi
     19 /*	The Secure Mailer license must be distributed with this software.
     20 /* AUTHOR(S)
     21 /*	Wietse Venema
     22 /*	IBM T.J. Watson Research
     23 /*	P.O. Box 704
     24 /*	Yorktown Heights, NY 10598, USA
     25 /*
     26 /*	Wietse Venema
     27 /*	Google, Inc.
     28 /*	111 8th Avenue
     29 /*	New York, NY 10011, USA
     30 /*--*/
     31 
     32 /* System library. */
     33 
     34 #include <sys_defs.h>
     35 #include <string.h>
     36 #include <unistd.h>
     37 
     38 /* Utility library. */
     39 
     40 #include <msg.h>
     41 #include <stringops.h>
     42 #include <mymalloc.h>
     43 
     44 /* Global library. */
     45 
     46 #include <mail_conf.h>
     47 #include <mail_params.h>
     48 
     49 /* Application-specific. */
     50 
     51 #include "master.h"
     52 
     53  /*
     54   * Tunable parameters.
     55   */
     56 int     var_throttle_time;
     57 char   *var_master_disable;
     58 
     59 /* master_vars_init - initialize from global Postfix configuration file */
     60 
     61 void    master_vars_init(void)
     62 {
     63     char   *path;
     64     static const CONFIG_STR_TABLE str_table[] = {
     65 	VAR_MASTER_DISABLE, DEF_MASTER_DISABLE, &var_master_disable, 0, 0,
     66 	0,
     67     };
     68     static const CONFIG_TIME_TABLE time_table[] = {
     69 	VAR_THROTTLE_TIME, DEF_THROTTLE_TIME, &var_throttle_time, 1, 0,
     70 	0,
     71     };
     72     static char *saved_inet_protocols;
     73     static char *saved_queue_dir;
     74     static char *saved_config_dir;
     75     static const MASTER_STR_WATCH str_watch_table[] = {
     76 	VAR_CONFIG_DIR, &var_config_dir, &saved_config_dir, 0, 0,
     77 	VAR_QUEUE_DIR, &var_queue_dir, &saved_queue_dir, 0, 0,
     78 	VAR_INET_PROTOCOLS, &var_inet_protocols, &saved_inet_protocols, 0, 0,
     79 	/* XXX Add inet_interfaces here after this code is burned in. */
     80 	0,
     81     };
     82 
     83     /*
     84      * Flush existing main.cf settings, so that we handle deleted main.cf
     85      * settings properly.
     86      */
     87     mail_conf_flush();
     88     set_mail_conf_str(VAR_PROCNAME, var_procname);
     89     mail_conf_read();
     90     get_mail_conf_str_table(str_table);
     91     get_mail_conf_time_table(time_table);
     92     path = concatenate(var_config_dir, "/", MASTER_CONF_FILE, (void *) 0);
     93     fset_master_ent(path);
     94     myfree(path);
     95 
     96     /*
     97      * Look for parameter changes that require special attention.
     98      */
     99     master_str_watch(str_watch_table);
    100 }
    101