Refactor driver feature-macro generation to be driven by existing tables
[exim.git] / src / src / readconf.c
index fb9d47a099f33f16126105e9a1286698468f2071..29181cbcb29ad2dce6cf459e04218e84e2be41fa 100644 (file)
@@ -17,6 +17,7 @@ static void fn_smtp_receive_timeout(const uschar * name, const uschar * str);
 static void save_config_line(const uschar* line);
 static void save_config_position(const uschar *file, int line);
 static void print_config(BOOL admin, BOOL terse);
+static void readconf_options_auths(void);
 
 
 #define CSTATE_STACK_SIZE 10
@@ -488,8 +489,7 @@ static optionlist optionlist_config[] = {
   { "write_rejectlog",          opt_bool,        &write_rejectlog }
 };
 
-static int optionlist_config_size =
-  sizeof(optionlist_config)/sizeof(optionlist);
+static int optionlist_config_size = nelem(optionlist_config);
 
 
 
@@ -514,10 +514,10 @@ int i;
 router_instance *r;
 transport_instance *t;
 
-for (i = 0; i < optionlist_config_size; i++)
+for (i = 0; i < nelem(optionlist_config); i++)
   if (p == optionlist_config[i].value) return US optionlist_config[i].name;
 
-for (r = routers; r != NULL; r = r->next)
+for (r = routers; r; r = r->next)
   {
   router_info *ri = r->info;
   for (i = 0; i < *ri->options_count; i++)
@@ -528,7 +528,7 @@ for (r = routers; r != NULL; r = r->next)
     }
   }
 
-for (t = transports; t != NULL; t = t->next)
+for (t = transports; t; t = t->next)
   {
   transport_info *ti = t->info;
   for (i = 0; i < *ti->options_count; i++)
@@ -566,7 +566,7 @@ Arguments:
 Returns:       nothing
 */
 
-static void
+void
 read_macro_assignment(uschar *s)
 {
 uschar name[64];
@@ -1163,9 +1163,10 @@ while (last > first)
   {
   int middle = (first + last)/2;
   int c = Ustrcmp(name, ol[middle].name);
+
   if (c == 0) return ol + middle;
-    else if (c > 0) first = middle + 1;
-      else last = middle;
+  else if (c > 0) first = middle + 1;
+  else last = middle;
   }
 return NULL;
 }
@@ -1462,7 +1463,6 @@ int intbase = 0;
 uschar *inttype = US"";
 uschar *sptr;
 uschar *s = buffer;
-uschar *saved_condition, *strtemp;
 uschar **str_target;
 uschar name[64];
 uschar name2[64];
@@ -1509,9 +1509,7 @@ if (Ustrncmp(name, "not_", 4) == 0)
 /* Search the list for the given name. A non-existent name, or an option that
 is set twice, is a disaster. */
 
-ol = find_option(name + offset, oltop, last);
-
-if (ol == NULL)
+if (!(ol = find_option(name + offset, oltop, last)))
   {
   if (unknown_txt == NULL) return FALSE;
   log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, CS unknown_txt, name);
@@ -1599,19 +1597,18 @@ switch (type)
     control block and flags word. */
 
     case opt_stringptr:
-    if (data_block == NULL)
-      str_target = (uschar **)(ol->value);
-    else
-      str_target = (uschar **)((uschar *)data_block + (long int)(ol->value));
+    str_target = data_block ? USS (US data_block + (long int)(ol->value))
+                           : USS (ol->value);
     if (ol->type & opt_rep_con)
       {
+      uschar * saved_condition;
       /* We already have a condition, we're conducting a crude hack to let
       multiple condition rules be chained together, despite storing them in
       text form. */
-      saved_condition = *str_target;
-      strtemp = string_sprintf("${if and{{bool_lax{%s}}{bool_lax{%s}}}}",
-          saved_condition, sptr);
-      *str_target = string_copy_malloc(strtemp);
+      *str_target = string_copy_malloc( (saved_condition = *str_target)
+       ? string_sprintf("${if and{{bool_lax{%s}}{bool_lax{%s}}}}",
+           saved_condition, sptr)
+       : sptr);
       /* TODO(pdp): there is a memory leak here and just below
       when we set 3 or more conditions; I still don't
       understand the store mechanism enough to know
@@ -1647,10 +1644,10 @@ switch (type)
     break;
 
     case opt_rewrite:
-    if (data_block == NULL)
-      *((uschar **)(ol->value)) = sptr;
+    if (data_block)
+      *USS (US data_block + (long int)(ol->value)) = sptr;
     else
-      *((uschar **)((uschar *)data_block + (long int)(ol->value))) = sptr;
+      *USS (ol->value) = sptr;
     freesptr = FALSE;
     if (type == opt_rewrite)
       {
@@ -2618,8 +2615,8 @@ if (type == NULL)
     return;
     }
 
-  if ( Ustrcmp(name, "configure_file") == 0
-     ||Ustrcmp(name, "config_file") == 0)
+  if (  Ustrcmp(name, "configure_file") == 0
+     || Ustrcmp(name, "config_file") == 0)
     {
     printf("%s\n", CS config_main_filename);
     return;
@@ -2628,11 +2625,11 @@ if (type == NULL)
   if (Ustrcmp(name, "all") == 0)
     {
     for (ol = optionlist_config;
-         ol < optionlist_config + optionlist_config_size; ol++)
+         ol < optionlist_config + nelem(optionlist_config); ol++)
       {
       if ((ol->type & opt_hidden) == 0)
         print_ol(ol, US ol->name, NULL,
-            optionlist_config, optionlist_config_size,
+            optionlist_config, nelem(optionlist_config),
             no_labels);
       }
     return;
@@ -2730,8 +2727,8 @@ if (type == NULL)
 
   else
     {
-    print_ol(find_option(name, optionlist_config, optionlist_config_size),
-      name, NULL, optionlist_config, optionlist_config_size, no_labels);
+    print_ol(find_option(name, optionlist_config, nelem(optionlist_config)),
+      name, NULL, optionlist_config, nelem(optionlist_config), no_labels);
     return;
     }
   }
@@ -3014,7 +3011,7 @@ return status == 0;
 
 /*************************************************/
 /* Create compile-time feature macros */
-static void
+void
 readconf_features(void)
 {
 /* Probably we could work out a static initialiser for wherever
@@ -3022,221 +3019,183 @@ macros are stored, but this will do for now. Some names are awkward
 due to conflicts with other common macros. */
 
 #ifdef SUPPORT_CRYPTEQ
-  read_macro_assignment("_HAVE_CRYPTEQ=y");
+  read_macro_assignment(US"_HAVE_CRYPTEQ=y");
 #endif
 #if HAVE_ICONV
-  read_macro_assignment("_HAVE_ICONV=y");
+  read_macro_assignment(US"_HAVE_ICONV=y");
 #endif
 #if HAVE_IPV6
-  read_macro_assignment("_HAVE_IPV6=y");
+  read_macro_assignment(US"_HAVE_IPV6=y");
 #endif
 #ifdef HAVE_SETCLASSRESOURCES
-  read_macro_assignment("_HAVE_SETCLASSRESOURCES=y");
+  read_macro_assignment(US"_HAVE_SETCLASSRESOURCES=y");
 #endif
 #ifdef SUPPORT_PAM
-  read_macro_assignment("_HAVE_PAM=y");
+  read_macro_assignment(US"_HAVE_PAM=y");
 #endif
 #ifdef EXIM_PERL
-  read_macro_assignment("_HAVE_PERL=y");
+  read_macro_assignment(US"_HAVE_PERL=y");
 #endif
 #ifdef EXPAND_DLFUNC
-  read_macro_assignment("_HAVE_DLFUNC=y");
+  read_macro_assignment(US"_HAVE_DLFUNC=y");
 #endif
 #ifdef USE_TCP_WRAPPERS
-  read_macro_assignment("_HAVE_TCPWRAPPERS=y");
+  read_macro_assignment(US"_HAVE_TCPWRAPPERS=y");
 #endif
 #ifdef SUPPORT_TLS
-  read_macro_assignment("_HAVE_TLS=y");
+  read_macro_assignment(US"_HAVE_TLS=y");
 # ifdef USE_GNUTLS
-  read_macro_assignment("_HAVE_GNUTLS=y");
+  read_macro_assignment(US"_HAVE_GNUTLS=y");
 # else
-  read_macro_assignment("_HAVE_OPENSSL=y");
+  read_macro_assignment(US"_HAVE_OPENSSL=y");
 # endif
 #endif
 #ifdef SUPPORT_TRANSLATE_IP_ADDRESS
-  read_macro_assignment("_HAVE_TRANSLATE_IP_ADDRESS=y");
+  read_macro_assignment(US"_HAVE_TRANSLATE_IP_ADDRESS=y");
 #endif
 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
-  read_macro_assignment("_HAVE_MOVE_FROZEN_MESSAGES=y");
+  read_macro_assignment(US"_HAVE_MOVE_FROZEN_MESSAGES=y");
 #endif
 #ifdef WITH_CONTENT_SCAN
-  read_macro_assignment("_HAVE_CONTENT_SCANNING=y");
+  read_macro_assignment(US"_HAVE_CONTENT_SCANNING=y");
 #endif
 #ifndef DISABLE_DKIM
-  read_macro_assignment("_HAVE_DKIM=y");
+  read_macro_assignment(US"_HAVE_DKIM=y");
 #endif
 #ifndef DISABLE_DNSSEC
-  read_macro_assignment("_HAVE_DNSSEC=y");
+  read_macro_assignment(US"_HAVE_DNSSEC=y");
 #endif
 #ifndef DISABLE_EVENT
-  read_macro_assignment("_HAVE_Event=y");
+  read_macro_assignment(US"_HAVE_Event=y");
 #endif
 #ifdef SUPPORT_I18N
-  read_macro_assignment("_HAVE_I18N=y");
+  read_macro_assignment(US"_HAVE_I18N=y");
 #endif
 #ifndef DISABLE_OCSP
-  read_macro_assignment("_HAVE_OCSP=y");
+  read_macro_assignment(US"_HAVE_OCSP=y");
 #endif
 #ifndef DISABLE_PRDR
-  read_macro_assignment("_HAVE_PRDR=y");
+  read_macro_assignment(US"_HAVE_PRDR=y");
 #endif
 #ifdef SUPPORT_PROXY
-  read_macro_assignment("_HAVE_PROXY=y");
+  read_macro_assignment(US"_HAVE_PROXY=y");
 #endif
 #ifdef SUPPORT_SOCKS
-  read_macro_assignment("_HAVE_SOCKS=y");
+  read_macro_assignment(US"_HAVE_SOCKS=y");
 #endif
 #ifdef EXPERIMENTAL_LMDB
-  read_macro_assignment("_HAVE_LMDB=y");
+  read_macro_assignment(US"_HAVE_LMDB=y");
 #endif
 #ifdef EXPERIMENTAL_SPF
-  read_macro_assignment("_HAVE_SPF=y");
+  read_macro_assignment(US"_HAVE_SPF=y");
 #endif
 #ifdef EXPERIMENTAL_SRS
-  read_macro_assignment("_HAVE_SRS=y");
+  read_macro_assignment(US"_HAVE_SRS=y");
 #endif
 #ifdef EXPERIMENTAL_BRIGHTMAIL
-  read_macro_assignment("_HAVE_BRIGHTMAIL=y");
+  read_macro_assignment(US"_HAVE_BRIGHTMAIL=y");
 #endif
 #ifdef EXPERIMENTAL_DANE
-  read_macro_assignment("_HAVE_DANE=y");
+  read_macro_assignment(US"_HAVE_DANE=y");
 #endif
 #ifdef EXPERIMENTAL_DCC
-  read_macro_assignment("_HAVE_DCC=y");
+  read_macro_assignment(US"_HAVE_DCC=y");
 #endif
 #ifdef EXPERIMENTAL_DMARC
-  read_macro_assignment("_HAVE_DMARC=y");
+  read_macro_assignment(US"_HAVE_DMARC=y");
 #endif
 #ifdef EXPERIMENTAL_DSN_INFO
-  read_macro_assignment("_HAVE_DSN_INFO=y");
+  read_macro_assignment(US"_HAVE_DSN_INFO=y");
 #endif
 
 #ifdef LOOKUP_LSEARCH
-  read_macro_assignment("_HAVE_LKUP_LSEARCH=y");
+  read_macro_assignment(US"_HAVE_LKUP_LSEARCH=y");
 #endif
 #ifdef LOOKUP_CDB
-  read_macro_assignment("_HAVE_LKUP_CDB=y");
+  read_macro_assignment(US"_HAVE_LKUP_CDB=y");
 #endif
 #ifdef LOOKUP_DBM
-  read_macro_assignment("_HAVE_LKUP_DBM=y");
+  read_macro_assignment(US"_HAVE_LKUP_DBM=y");
 #endif
 #ifdef LOOKUP_DNSDB
-  read_macro_assignment("_HAVE_LKUP_DNSDB=y");
+  read_macro_assignment(US"_HAVE_LKUP_DNSDB=y");
 #endif
 #ifdef LOOKUP_DSEARCH
-  read_macro_assignment("_HAVE_LKUP_DSEARCH=y");
+  read_macro_assignment(US"_HAVE_LKUP_DSEARCH=y");
 #endif
 #ifdef LOOKUP_IBASE
-  read_macro_assignment("_HAVE_LKUP_IBASE=y");
+  read_macro_assignment(US"_HAVE_LKUP_IBASE=y");
 #endif
 #ifdef LOOKUP_LDAP
-  read_macro_assignment("_HAVE_LKUP_LDAP=y");
+  read_macro_assignment(US"_HAVE_LKUP_LDAP=y");
 #endif
 #ifdef EXPERIMENTAL_LMDB
-  read_macro_assignment("_HAVE_LKUP_LMDB=y");
+  read_macro_assignment(US"_HAVE_LKUP_LMDB=y");
 #endif
 #ifdef LOOKUP_MYSQL
-  read_macro_assignment("_HAVE_LKUP_MYSQL=y");
+  read_macro_assignment(US"_HAVE_LKUP_MYSQL=y");
 #endif
 #ifdef LOOKUP_NIS
-  read_macro_assignment("_HAVE_LKUP_NIS=y");
+  read_macro_assignment(US"_HAVE_LKUP_NIS=y");
 #endif
 #ifdef LOOKUP_NISPLUS
-  read_macro_assignment("_HAVE_LKUP_NISPLUS=y");
+  read_macro_assignment(US"_HAVE_LKUP_NISPLUS=y");
 #endif
 #ifdef LOOKUP_ORACLE
-  read_macro_assignment("_HAVE_LKUP_ORACLE=y");
+  read_macro_assignment(US"_HAVE_LKUP_ORACLE=y");
 #endif
 #ifdef LOOKUP_PASSWD
-  read_macro_assignment("_HAVE_LKUP_PASSWD=y");
+  read_macro_assignment(US"_HAVE_LKUP_PASSWD=y");
 #endif
 #ifdef LOOKUP_PGSQL
-  read_macro_assignment("_HAVE_LKUP_PGSQL=y");
+  read_macro_assignment(US"_HAVE_LKUP_PGSQL=y");
 #endif
 #ifdef LOOKUP_REDIS
-  read_macro_assignment("_HAVE_LKUP_REDIS=y");
+  read_macro_assignment(US"_HAVE_LKUP_REDIS=y");
 #endif
 #ifdef LOOKUP_SQLITE
-  read_macro_assignment("_HAVE_LKUP_SQLITE=y");
+  read_macro_assignment(US"_HAVE_LKUP_SQLITE=y");
 #endif
 #ifdef LOOKUP_TESTDB
-  read_macro_assignment("_HAVE_LKUP_TESTDB=y");
+  read_macro_assignment(US"_HAVE_LKUP_TESTDB=y");
 #endif
 #ifdef LOOKUP_WHOSON
-  read_macro_assignment("_HAVE_LKUP_WHOSON=y");
-#endif
-
-#ifdef AUTH_CRAM_MD5
-  read_macro_assignment("_HAVE_AUTH_CRAM_MD5=y");
-#endif
-#ifdef AUTH_CYRUS_SASL
-  read_macro_assignment("_HAVE_AUTH_CYRUS_SASL=y");
-#endif
-#ifdef AUTH_DOVECOT
-  read_macro_assignment("_HAVE_AUTH_DOVECOT=y");
-#endif
-#ifdef AUTH_GSASL
-  read_macro_assignment("_HAVE_AUTH_GSASL=y");
-#endif
-#ifdef AUTH_HEIMDAL_GSSAPI
-  read_macro_assignment("_HAVE_AUTH_HEIMDAL_GSSAPI=y");
-#endif
-#ifdef AUTH_PLAINTEXT
-  read_macro_assignment("_HAVE_AUTH_PLAINTEXT=y");
-#endif
-#ifdef AUTH_SPA
-  read_macro_assignment("_HAVE_AUTH_SPA=y");
-#endif
-#ifdef AUTH_TLS
-  read_macro_assignment("_HAVE_AUTH_TLS=y");
-#endif
-
-#ifdef ROUTER_ACCEPT
-  read_macro_assignment("_HAVE_RTR_ACCEPT=y");
-#endif
-#ifdef ROUTER_DNSLOOKUP
-  read_macro_assignment("_HAVE_RTR_DNSLOOKUP=y");
-#endif
-#ifdef ROUTER_IPLITERAL
-  read_macro_assignment("_HAVE_RTR_IPLITERAL=y");
-#endif
-#ifdef ROUTER_IPLOOKUP
-  read_macro_assignment("_HAVE_RTR_IPLOOKUP=y");
-#endif
-#ifdef ROUTER_MANUALROUTE
-  read_macro_assignment("_HAVE_RTR_MANUALROUTE=y");
-#endif
-#ifdef ROUTER_QUERYPROGRAM
-  read_macro_assignment("_HAVE_RTR_QUERYPROGRAM=y");
-#endif
-#ifdef ROUTER_REDIRECT
-  read_macro_assignment("_HAVE_RTR_REDRCT=y");
+  read_macro_assignment(US"_HAVE_LKUP_WHOSON=y");
 #endif
 
 #ifdef TRANSPORT_APPENDFILE
-  read_macro_assignment("_HAVE_TPT_APPENDFILE=y");
 # ifdef SUPPORT_MAILDIR
-  read_macro_assignment("_HAVE_TPT_APPEND_MAILDR=y");
+  read_macro_assignment(US"_HAVE_TPT_APPEND_MAILDR=y");
 # endif
 # ifdef SUPPORT_MAILSTORE
-  read_macro_assignment("_HAVE_TPT_APPEND_MAILSTORE=y");
+  read_macro_assignment(US"_HAVE_TPT_APPEND_MAILSTORE=y");
 # endif
 # ifdef SUPPORT_MBX
-  read_macro_assignment("_HAVE_TPT_APPEND_MBX=y");
+  read_macro_assignment(US"_HAVE_TPT_APPEND_MBX=y");
 # endif
 #endif
-#ifdef TRANSPORT_AUTOREPLY
-  read_macro_assignment("_HAVE_TPT_AUTOREPLY=y");
-#endif
-#ifdef TRANSPORT_LMTP
-  read_macro_assignment("_HAVE_TPT_LMTP=y");
-#endif
-#ifdef TRANSPORT_PIPE
-  read_macro_assignment("_HAVE_TPT_PIPE=y");
-#endif
-#ifdef TRANSPORT_SMTP
-  read_macro_assignment("_HAVE_TPT_SMTP=y");
-#endif
+}
+
+
+void
+readconf_options_from_list(optionlist * opts, unsigned nopt, uschar * group)
+{
+int i;
+const uschar * s;
+
+/* Walk the array backwards to get substring-conflict names */
+for (i = nopt-1; i >= 0; i--) if (*(s = opts[i].name) && *s != '*')
+  read_macro_assignment(string_sprintf("_OPT_%T_%T=y", group, s));
+}
+
+
+void
+readconf_options(void)
+{
+readconf_options_from_list(optionlist_config, nelem(optionlist_config), US"MAIN");
+readconf_options_routers();
+readconf_options_transports();
+readconf_options_auths();
 }
 
 
@@ -3276,9 +3235,6 @@ struct stat statbuf;
 uschar *s, *filename;
 const uschar *list = config_main_filelist;
 
-/* First create compile-time feature macros */
-readconf_features();
-
 /* Loop through the possible file names */
 
 while((filename = string_nextinlist(&list, &sep, big_buffer, big_buffer_size))
@@ -4284,6 +4240,21 @@ while ((p = get_config_line()))
 *         Initialize authenticators              *
 *************************************************/
 
+static void
+readconf_options_auths(void)
+{
+struct auth_info * ai;
+
+readconf_options_from_list(optionlist_auths, optionlist_auths_size, US"AU");
+
+for (ai = auths_available; ai->driver_name[0]; ai++)
+  {
+  read_macro_assignment(string_sprintf("_DRVR_AUTH_%T=y", ai->driver_name));
+  readconf_options_from_list(ai->options, (unsigned)*ai->options_count, ai->driver_name);
+  }
+}
+
+
 /* Read the authenticators section of the configuration file.
 
 Arguments:   none
@@ -4294,6 +4265,7 @@ static void
 auths_init(void)
 {
 auth_instance *au, *bu;
+
 readconf_driver_init(US"authenticator",
   (driver_instance **)(&auths),      /* chain anchor */
   (driver_info *)auths_available,    /* available drivers */