Docs: add notes on smtps
[exim.git] / src / src / drtables.c
index 563670a38add5b6d5820c0195a912c8f7cf956b1..b1bd8362b4889525295ab4f13d2464574777acbc 100644 (file)
@@ -1,10 +1,8 @@
-/* $Cambridge: exim/src/src/drtables.c,v 1.11 2009/11/16 19:50:36 nm4 Exp $ */
-
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -21,9 +19,7 @@ all described in src/EDITME. */
 lookup_info **lookup_list;
 int lookup_list_count = 0;
 
-static int lookup_list_init_done = 0;
-
-/* Table of information about all possible authentication mechamisms. All
+/* Table of information about all possible authentication mechanisms. All
 entries are always present if any mechanism is declared, but the functions are
 set to NULL for those that are not compiled into the binary. */
 
@@ -39,6 +35,14 @@ set to NULL for those that are not compiled into the binary. */
 #include "auths/dovecot.h"
 #endif
 
+#ifdef AUTH_GSASL
+#include "auths/gsasl_exim.h"
+#endif
+
+#ifdef AUTH_HEIMDAL_GSSAPI
+#include "auths/heimdal_gssapi.h"
+#endif
+
 #ifdef AUTH_PLAINTEXT
 #include "auths/plaintext.h"
 #endif
@@ -47,78 +51,139 @@ set to NULL for those that are not compiled into the binary. */
 #include "auths/spa.h"
 #endif
 
+#ifdef AUTH_TLS
+#include "auths/tls.h"
+#endif
+
 auth_info auths_available[] = {
 
 /* Checking by an expansion condition on plain text */
 
 #ifdef AUTH_CRAM_MD5
   {
-  US"cram_md5",                              /* lookup name */
-  auth_cram_md5_options,
-  &auth_cram_md5_options_count,
-  &auth_cram_md5_option_defaults,
-  sizeof(auth_cram_md5_options_block),
-  auth_cram_md5_init,                        /* init function */
-  auth_cram_md5_server,                      /* server function */
-  auth_cram_md5_client                       /* client function */
+  .driver_name =       US"cram_md5",                              /* lookup name */
+  .options =           auth_cram_md5_options,
+  .options_count =     &auth_cram_md5_options_count,
+  .options_block =     &auth_cram_md5_option_defaults,
+  .options_len =       sizeof(auth_cram_md5_options_block),
+  .init =              auth_cram_md5_init,
+  .servercode =                auth_cram_md5_server,
+  .clientcode =                auth_cram_md5_client,
+  .version_report =    NULL
   },
 #endif
 
 #ifdef AUTH_CYRUS_SASL
   {
-  US"cyrus_sasl",           /* lookup name */
-  auth_cyrus_sasl_options,
-  &auth_cyrus_sasl_options_count,
-  &auth_cyrus_sasl_option_defaults,
-  sizeof(auth_cyrus_sasl_options_block),
-  auth_cyrus_sasl_init,                      /* init function */
-  auth_cyrus_sasl_server,                    /* server function */
-  NULL                                       /* client function */
+  .driver_name =       US"cyrus_sasl",
+  .options =           auth_cyrus_sasl_options,
+  .options_count =     &auth_cyrus_sasl_options_count,
+  .options_block =     &auth_cyrus_sasl_option_defaults,
+  .options_len =       sizeof(auth_cyrus_sasl_options_block),
+  .init =              auth_cyrus_sasl_init,
+  .servercode =                auth_cyrus_sasl_server,
+  .clientcode =                NULL,
+  .version_report =    auth_cyrus_sasl_version_report
   },
 #endif
 
 #ifdef AUTH_DOVECOT
   {
-  US"dovecot",                                /* lookup name */
-  auth_dovecot_options,
-  &auth_dovecot_options_count,
-  &auth_dovecot_option_defaults,
-  sizeof(auth_dovecot_options_block),
-  auth_dovecot_init,                          /* init function */
-  auth_dovecot_server,                        /* server function */
-  NULL                                        /* client function */
+  .driver_name =       US"dovecot",
+  .options =           auth_dovecot_options,
+  .options_count =     &auth_dovecot_options_count,
+  .options_block =     &auth_dovecot_option_defaults,
+  .options_len =       sizeof(auth_dovecot_options_block),
+  .init =              auth_dovecot_init,
+  .servercode =                auth_dovecot_server,
+  .clientcode =                NULL,
+  .version_report =    NULL
+  },
+#endif
+
+#ifdef AUTH_GSASL
+  {
+  .driver_name =       US"gsasl",
+  .options =           auth_gsasl_options,
+  .options_count =     &auth_gsasl_options_count,
+  .options_block =     &auth_gsasl_option_defaults,
+  .options_len =       sizeof(auth_gsasl_options_block),
+  .init =              auth_gsasl_init,
+  .servercode =                auth_gsasl_server,
+  .clientcode =                NULL,
+  .version_report =    auth_gsasl_version_report
+  },
+#endif
+
+#ifdef AUTH_HEIMDAL_GSSAPI
+  {
+  .driver_name =       US"heimdal_gssapi",
+  .options =           auth_heimdal_gssapi_options,
+  .options_count =     &auth_heimdal_gssapi_options_count,
+  .options_block =     &auth_heimdal_gssapi_option_defaults,
+  .options_len =       sizeof(auth_heimdal_gssapi_options_block),
+  .init =              auth_heimdal_gssapi_init,
+  .servercode =                auth_heimdal_gssapi_server,
+  .clientcode =                NULL,
+  .version_report =    auth_heimdal_gssapi_version_report
   },
 #endif
 
 #ifdef AUTH_PLAINTEXT
   {
-  US"plaintext",                             /* lookup name */
-  auth_plaintext_options,
-  &auth_plaintext_options_count,
-  &auth_plaintext_option_defaults,
-  sizeof(auth_plaintext_options_block),
-  auth_plaintext_init,                       /* init function */
-  auth_plaintext_server,                     /* server function */
-  auth_plaintext_client                      /* client function */
+  .driver_name =       US"plaintext",
+  .options =           auth_plaintext_options,
+  .options_count =     &auth_plaintext_options_count,
+  .options_block =     &auth_plaintext_option_defaults,
+  .options_len =       sizeof(auth_plaintext_options_block),
+  .init =              auth_plaintext_init,
+  .servercode =                auth_plaintext_server,
+  .clientcode =                auth_plaintext_client,
+  .version_report =    NULL
   },
 #endif
 
 #ifdef AUTH_SPA
   {
-  US"spa",                                   /* lookup name */
-  auth_spa_options,
-  &auth_spa_options_count,
-  &auth_spa_option_defaults,
-  sizeof(auth_spa_options_block),
-  auth_spa_init,                             /* init function */
-  auth_spa_server,                           /* server function */
-  auth_spa_client                            /* client function */
+  .driver_name =       US"spa",
+  .options =           auth_spa_options,
+  .options_count =     &auth_spa_options_count,
+  .options_block =     &auth_spa_option_defaults,
+  .options_len =       sizeof(auth_spa_options_block),
+  .init =              auth_spa_init,
+  .servercode =                auth_spa_server,
+  .clientcode =                auth_spa_client,
+  .version_report =    NULL
   },
 #endif
 
-{ US"", NULL, NULL, NULL, 0, NULL, NULL, NULL  }
+#ifdef AUTH_TLS
+  {
+  .driver_name =       US"tls",
+  .options =           auth_tls_options,
+  .options_count =     &auth_tls_options_count,
+  .options_block =     &auth_tls_option_defaults,
+  .options_len =       sizeof(auth_tls_options_block),
+  .init =              auth_tls_init,
+  .servercode =                auth_tls_server,
+  .clientcode =                NULL,
+  .version_report =    NULL
+  },
+#endif
+
+  { .driver_name = US"" }              /* end marker */
 };
 
+void
+auth_show_supported(FILE * f)
+{
+auth_info * ai;
+fprintf(f, "Authenticators:");
+for (ai = auths_available; ai->driver_name[0]; ai++)
+               fprintf(f, " %s", ai->driver_name);
+fprintf(f, "\n");
+}
+
 
 /* Tables of information about which routers and transports are included in the
 exim binary. */
@@ -171,6 +236,10 @@ exim binary. */
 #include "transports/pipe.h"
 #endif
 
+#ifdef EXPERIMENTAL_QUEUEFILE
+#include "transports/queuefile.h"
+#endif
+
 #ifdef TRANSPORT_SMTP
 #include "transports/smtp.h"
 #endif
@@ -181,174 +250,237 @@ exim binary. */
 router_info routers_available[] = {
 #ifdef ROUTER_ACCEPT
   {
-  US"accept",
-  accept_router_options,
-  &accept_router_options_count,
-  &accept_router_option_defaults,
-  sizeof(accept_router_options_block),
-  accept_router_init,
-  accept_router_entry,
-  NULL,     /* no tidyup entry */
-  ri_yestransport
+  .driver_name =       US"accept",
+  .options =           accept_router_options,
+  .options_count =     &accept_router_options_count,
+  .options_block =     &accept_router_option_defaults,
+  .options_len =       sizeof(accept_router_options_block),
+  .init =              accept_router_init,
+  .code =              accept_router_entry,
+  .tidyup =            NULL,     /* no tidyup entry */
+  .ri_flags =          ri_yestransport
   },
 #endif
 #ifdef ROUTER_DNSLOOKUP
   {
-  US"dnslookup",
-  dnslookup_router_options,
-  &dnslookup_router_options_count,
-  &dnslookup_router_option_defaults,
-  sizeof(dnslookup_router_options_block),
-  dnslookup_router_init,
-  dnslookup_router_entry,
-  NULL,     /* no tidyup entry */
-  ri_yestransport
+  .driver_name =       US"dnslookup",
+  .options =           dnslookup_router_options,
+  .options_count =     &dnslookup_router_options_count,
+  .options_block =     &dnslookup_router_option_defaults,
+  .options_len =       sizeof(dnslookup_router_options_block),
+  .init =              dnslookup_router_init,
+  .code =              dnslookup_router_entry,
+  .tidyup =            NULL,     /* no tidyup entry */
+  .ri_flags =          ri_yestransport
   },
 #endif
 #ifdef ROUTER_IPLITERAL
   {
-  US"ipliteral",
-  ipliteral_router_options,
-  &ipliteral_router_options_count,
-  &ipliteral_router_option_defaults,
-  sizeof(ipliteral_router_options_block),
-  ipliteral_router_init,
-  ipliteral_router_entry,
-  NULL,     /* no tidyup entry */
-  ri_yestransport
+  .driver_name =       US"ipliteral",
+  .options =           ipliteral_router_options,
+  .options_count =     &ipliteral_router_options_count,
+  .options_block =     &ipliteral_router_option_defaults,
+  .options_len =       sizeof(ipliteral_router_options_block),
+  .init =              ipliteral_router_init,
+  .code =              ipliteral_router_entry,
+  .tidyup =            NULL,     /* no tidyup entry */
+  .ri_flags =          ri_yestransport
   },
 #endif
 #ifdef ROUTER_IPLOOKUP
   {
-  US"iplookup",
-  iplookup_router_options,
-  &iplookup_router_options_count,
-  &iplookup_router_option_defaults,
-  sizeof(iplookup_router_options_block),
-  iplookup_router_init,
-  iplookup_router_entry,
-  NULL,     /* no tidyup entry */
-  ri_notransport
+  .driver_name =       US"iplookup",
+  .options =           iplookup_router_options,
+  .options_count =     &iplookup_router_options_count,
+  .options_block =     &iplookup_router_option_defaults,
+  .options_len =       sizeof(iplookup_router_options_block),
+  .init =              iplookup_router_init,
+  .code =              iplookup_router_entry,
+  .tidyup =            NULL,     /* no tidyup entry */
+  .ri_flags =          ri_notransport
   },
 #endif
 #ifdef ROUTER_MANUALROUTE
   {
-  US"manualroute",
-  manualroute_router_options,
-  &manualroute_router_options_count,
-  &manualroute_router_option_defaults,
-  sizeof(manualroute_router_options_block),
-  manualroute_router_init,
-  manualroute_router_entry,
-  NULL,     /* no tidyup entry */
-  0
+  .driver_name =       US"manualroute",
+  .options =           manualroute_router_options,
+  .options_count =     &manualroute_router_options_count,
+  .options_block =     &manualroute_router_option_defaults,
+  .options_len =       sizeof(manualroute_router_options_block),
+  .init =              manualroute_router_init,
+  .code =              manualroute_router_entry,
+  .tidyup =            NULL,     /* no tidyup entry */
+  .ri_flags =          0
   },
 #endif
 #ifdef ROUTER_QUERYPROGRAM
   {
-  US"queryprogram",
-  queryprogram_router_options,
-  &queryprogram_router_options_count,
-  &queryprogram_router_option_defaults,
-  sizeof(queryprogram_router_options_block),
-  queryprogram_router_init,
-  queryprogram_router_entry,
-  NULL,     /* no tidyup entry */
-  0
+  .driver_name =       US"queryprogram",
+  .options =           queryprogram_router_options,
+  .options_count =     &queryprogram_router_options_count,
+  .options_block =     &queryprogram_router_option_defaults,
+  .options_len =       sizeof(queryprogram_router_options_block),
+  .init =              queryprogram_router_init,
+  .code =              queryprogram_router_entry,
+  .tidyup =            NULL,     /* no tidyup entry */
+  .ri_flags =          0
   },
 #endif
 #ifdef ROUTER_REDIRECT
   {
-  US"redirect",
-  redirect_router_options,
-  &redirect_router_options_count,
-  &redirect_router_option_defaults,
-  sizeof(redirect_router_options_block),
-  redirect_router_init,
-  redirect_router_entry,
-  NULL,     /* no tidyup entry */
-  ri_notransport
+  .driver_name =       US"redirect",
+  .options =           redirect_router_options,
+  .options_count =     &redirect_router_options_count,
+  .options_block =     &redirect_router_option_defaults,
+  .options_len =       sizeof(redirect_router_options_block),
+  .init =              redirect_router_init,
+  .code =              redirect_router_entry,
+  .tidyup =            NULL,     /* no tidyup entry */
+  .ri_flags =          ri_notransport
   },
 #endif
-{ US"", NULL, NULL, NULL, 0, NULL, NULL, NULL, 0 }
+  { US"" }
 };
 
 
+void
+route_show_supported(FILE * f)
+{
+router_info * rr;
+fprintf(f, "Routers:");
+for (rr = routers_available; rr->driver_name[0]; rr++)
+               fprintf(f, " %s", rr->driver_name);
+fprintf(f, "\n");
+}
+
+
+
 
 transport_info transports_available[] = {
 #ifdef TRANSPORT_APPENDFILE
   {
-  US"appendfile",                              /* driver name */
-  appendfile_transport_options,                /* local options table */
-  &appendfile_transport_options_count,         /* number of entries */
-  &appendfile_transport_option_defaults,       /* private options defaults */
-  sizeof(appendfile_transport_options_block),  /* size of private block */
-  appendfile_transport_init,                   /* init entry point */
-  appendfile_transport_entry,                  /* main entry point */
-  NULL,                                        /* no tidyup entry */
-  NULL,                                        /* no closedown entry */
-  TRUE,                                        /* local flag */
+  .driver_name =       US"appendfile",
+  .options =           appendfile_transport_options,
+  .options_count =     &appendfile_transport_options_count,
+  .options_block =     &appendfile_transport_option_defaults,       /* private options defaults */
+  .options_len =       sizeof(appendfile_transport_options_block),
+  .init =              appendfile_transport_init,
+  .code =              appendfile_transport_entry,
+  .tidyup =            NULL,
+  .closedown =         NULL,
+  .local =             TRUE
   },
 #endif
 #ifdef TRANSPORT_AUTOREPLY
   {
-  US"autoreply",                               /* driver name */
-  autoreply_transport_options,                 /* local options table */
-  &autoreply_transport_options_count,          /* number of entries */
-  &autoreply_transport_option_defaults,        /* private options defaults */
-  sizeof(autoreply_transport_options_block),   /* size of private block */
-  autoreply_transport_init,                    /* init entry point */
-  autoreply_transport_entry,                   /* main entry point */
-  NULL,                                        /* no tidyup entry */
-  NULL,                                        /* no closedown entry */
-  TRUE                                         /* local flag */
+  .driver_name =       US"autoreply",
+  .options =           autoreply_transport_options,
+  .options_count =     &autoreply_transport_options_count,
+  .options_block =     &autoreply_transport_option_defaults,
+  .options_len =       sizeof(autoreply_transport_options_block),
+  .init =              autoreply_transport_init,
+  .code =              autoreply_transport_entry,
+  .tidyup =            NULL,
+  .closedown =         NULL,
+  .local =             TRUE
   },
 #endif
 #ifdef TRANSPORT_LMTP
   {
-  US"lmtp",                                    /* driver name */
-  lmtp_transport_options,                      /* local options table */
-  &lmtp_transport_options_count,               /* number of entries */
-  &lmtp_transport_option_defaults,             /* private options defaults */
-  sizeof(lmtp_transport_options_block),        /* size of private block */
-  lmtp_transport_init,                         /* init entry point */
-  lmtp_transport_entry,                        /* main entry point */
-  NULL,                                        /* no tidyup entry */
-  NULL,                                        /* no closedown entry */
-  TRUE                                         /* local flag */
+  .driver_name =       US"lmtp",
+  .options =           lmtp_transport_options,
+  .options_count =     &lmtp_transport_options_count,
+  .options_block =     &lmtp_transport_option_defaults,
+  .options_len =       sizeof(lmtp_transport_options_block),
+  .init =              lmtp_transport_init,
+  .code =              lmtp_transport_entry,
+  .tidyup =            NULL,
+  .closedown =         NULL,
+  .local =             TRUE
   },
 #endif
 #ifdef TRANSPORT_PIPE
   {
-  US"pipe",                                    /* driver name */
-  pipe_transport_options,                      /* local options table */
-  &pipe_transport_options_count,               /* number of entries */
-  &pipe_transport_option_defaults,             /* private options defaults */
-  sizeof(pipe_transport_options_block),        /* size of private block */
-  pipe_transport_init,                         /* init entry point */
-  pipe_transport_entry,                        /* main entry point */
-  NULL,                                        /* no tidyup entry */
-  NULL,                                        /* no closedown entry */
-  TRUE                                         /* local flag */
+  .driver_name =       US"pipe",
+  .options =           pipe_transport_options,
+  .options_count =     &pipe_transport_options_count,
+  .options_block =     &pipe_transport_option_defaults,
+  .options_len =       sizeof(pipe_transport_options_block),
+  .init =              pipe_transport_init,
+  .code =              pipe_transport_entry,
+  .tidyup =            NULL,
+  .closedown =         NULL,
+  .local =             TRUE
+  },
+#endif
+#ifdef EXPERIMENTAL_QUEUEFILE
+  {
+  .driver_name =       US"queuefile",
+  .options =           queuefile_transport_options,
+  .options_count =     &queuefile_transport_options_count,
+  .options_block =     &queuefile_transport_option_defaults,
+  .options_len =       sizeof(queuefile_transport_options_block),
+  .init =              queuefile_transport_init,
+  .code =              queuefile_transport_entry,
+  .tidyup =            NULL,
+  .closedown =         NULL,
+  .local =             TRUE
   },
 #endif
 #ifdef TRANSPORT_SMTP
   {
-  US"smtp",                                    /* driver name */
-  smtp_transport_options,                      /* local options table */
-  &smtp_transport_options_count,               /* number of entries */
-  &smtp_transport_option_defaults,             /* private options defaults */
-  sizeof(smtp_transport_options_block),        /* size of private block */
-  smtp_transport_init,                         /* init entry point */
-  smtp_transport_entry,                        /* main entry point */
-  NULL,                                        /* no tidyup entry */
-  smtp_transport_closedown,                    /* close down passed channel */
-  FALSE                                        /* local flag */
+  .driver_name =       US"smtp",
+  .options =           smtp_transport_options,
+  .options_count =     &smtp_transport_options_count,
+  .options_block =     &smtp_transport_option_defaults,
+  .options_len =       sizeof(smtp_transport_options_block),
+  .init =              smtp_transport_init,
+  .code =              smtp_transport_entry,
+  .tidyup =            NULL,
+  .closedown =         smtp_transport_closedown,
+  .local =             FALSE
   },
 #endif
-{ US"", NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, FALSE }
+  { US"" }
 };
 
+void
+transport_show_supported(FILE * f)
+{
+fprintf(f, "Transports:");
+#ifdef TRANSPORT_APPENDFILE
+  fprintf(f, " appendfile");
+  #ifdef SUPPORT_MAILDIR
+    fprintf(f, "/maildir");    /* damn these subclasses */
+  #endif
+  #ifdef SUPPORT_MAILSTORE
+    fprintf(f, "/mailstore");
+  #endif
+  #ifdef SUPPORT_MBX
+    fprintf(f, "/mbx");
+  #endif
+#endif
+#ifdef TRANSPORT_AUTOREPLY
+  fprintf(f, " autoreply");
+#endif
+#ifdef TRANSPORT_LMTP
+  fprintf(f, " lmtp");
+#endif
+#ifdef TRANSPORT_PIPE
+  fprintf(f, " pipe");
+#endif
+#ifdef EXPERIMENTAL_QUEUEFILE
+  fprintf(f, " queuefile");
+#endif
+#ifdef TRANSPORT_SMTP
+  fprintf(f, " smtp");
+#endif
+fprintf(f, "\n");
+}
+
+
+#ifndef MACRO_PREDEF
+
 struct lookupmodulestr
 {
   void *dl;
@@ -358,145 +490,212 @@ struct lookupmodulestr
 
 static struct lookupmodulestr *lookupmodules = NULL;
 
-static void addlookupmodule(void *dl, struct lookup_module_info *info)
+static void
+addlookupmodule(void *dl, struct lookup_module_info *info)
 {
-  struct lookupmodulestr *p = store_malloc(sizeof(struct lookupmodulestr));
-  p->dl = dl;
-  p->info = info;
-  p->next = lookupmodules;
-  lookupmodules = p;
-  lookup_list_count += info->lookupcount;
+struct lookupmodulestr *p = store_malloc(sizeof(struct lookupmodulestr));
+
+p->dl = dl;
+p->info = info;
+p->next = lookupmodules;
+lookupmodules = p;
+lookup_list_count += info->lookupcount;
 }
 
 /* only valid after lookup_list and lookup_list_count are assigned */
-static void add_lookup_to_list(lookup_info *info)
+static void
+add_lookup_to_list(lookup_info *info)
 {
-  /* need to add the lookup to lookup_list, sorted */
-  int pos = 0;
-
-  /* strategy is to go through the list until we find
-   * either an empty spot or a name that is higher.
-   * this can't fail because we have enough space. */
-  while (lookup_list[pos]
-      && (Ustrcmp(lookup_list[pos]->name, info->name) <= 0)) {
-    pos++;
-  }
-  if (lookup_list[pos]) {
-    /* need to insert it, so move all the other items up
-     * (last slot is still empty, of course) */
-    memmove(&lookup_list[pos+1],
-            &lookup_list[pos],
-            sizeof(lookup_info **) * (lookup_list_count-pos-1));
+/* need to add the lookup to lookup_list, sorted */
+int pos = 0;
+
+/* strategy is to go through the list until we find
+either an empty spot or a name that is higher.
+this can't fail because we have enough space. */
+
+while (lookup_list[pos] && (Ustrcmp(lookup_list[pos]->name, info->name) <= 0))
+  pos++;
+
+if (lookup_list[pos])
+  {
+  /* need to insert it, so move all the other items up
+  (last slot is still empty, of course) */
+
+  memmove(&lookup_list[pos+1],
+         &lookup_list[pos],
+         sizeof(lookup_info *) * (lookup_list_count-pos-1));
   }
-  lookup_list[pos] = info;
+lookup_list[pos] = info;
 }
 
-void init_lookup_list(void)
+
+/* These need to be at file level for old versions of gcc (2.95.2 reported),
+ * which give parse errors on an extern in function scope.  Each entry needs
+ * to also be invoked in init_lookup_list() below  */
+
+#if defined(LOOKUP_CDB) && LOOKUP_CDB!=2
+extern lookup_module_info cdb_lookup_module_info;
+#endif
+#if defined(LOOKUP_DBM) && LOOKUP_DBM!=2
+extern lookup_module_info dbmdb_lookup_module_info;
+#endif
+#if defined(LOOKUP_DNSDB) && LOOKUP_DNSDB!=2
+extern lookup_module_info dnsdb_lookup_module_info;
+#endif
+#if defined(LOOKUP_DSEARCH) && LOOKUP_DSEARCH!=2
+extern lookup_module_info dsearch_lookup_module_info;
+#endif
+#if defined(LOOKUP_IBASE) && LOOKUP_IBASE!=2
+extern lookup_module_info ibase_lookup_module_info;
+#endif
+#if defined(LOOKUP_LDAP)
+extern lookup_module_info ldap_lookup_module_info;
+#endif
+#if defined(LOOKUP_LSEARCH) && LOOKUP_LSEARCH!=2
+extern lookup_module_info lsearch_lookup_module_info;
+#endif
+#if defined(LOOKUP_MYSQL) && LOOKUP_MYSQL!=2
+extern lookup_module_info mysql_lookup_module_info;
+#endif
+#if defined(LOOKUP_NIS) && LOOKUP_NIS!=2
+extern lookup_module_info nis_lookup_module_info;
+#endif
+#if defined(LOOKUP_NISPLUS) && LOOKUP_NISPLUS!=2
+extern lookup_module_info nisplus_lookup_module_info;
+#endif
+#if defined(LOOKUP_ORACLE) && LOOKUP_ORACLE!=2
+extern lookup_module_info oracle_lookup_module_info;
+#endif
+#if defined(LOOKUP_PASSWD) && LOOKUP_PASSWD!=2
+extern lookup_module_info passwd_lookup_module_info;
+#endif
+#if defined(LOOKUP_PGSQL) && LOOKUP_PGSQL!=2
+extern lookup_module_info pgsql_lookup_module_info;
+#endif
+#if defined(LOOKUP_REDIS) && LOOKUP_REDIS!=2
+extern lookup_module_info redis_lookup_module_info;
+#endif
+#if defined(EXPERIMENTAL_LMDB)
+extern lookup_module_info lmdb_lookup_module_info;
+#endif
+#if defined(SUPPORT_SPF)
+extern lookup_module_info spf_lookup_module_info;
+#endif
+#if defined(LOOKUP_SQLITE) && LOOKUP_SQLITE!=2
+extern lookup_module_info sqlite_lookup_module_info;
+#endif
+#if defined(LOOKUP_TESTDB) && LOOKUP_TESTDB!=2
+extern lookup_module_info testdb_lookup_module_info;
+#endif
+#if defined(LOOKUP_WHOSON) && LOOKUP_WHOSON!=2
+extern lookup_module_info whoson_lookup_module_info;
+#endif
+
+
+void
+init_lookup_list(void)
 {
+#ifdef LOOKUP_MODULE_DIR
   DIR *dd;
   struct dirent *ent;
-  const pcre *regex_islookupmod = regex_must_compile(US"\\.so$", FALSE, TRUE);
   int countmodules = 0;
   int moduleerrors = 0;
+#endif
   struct lookupmodulestr *p;
+  static BOOL lookup_list_init_done = FALSE;
+
 
   if (lookup_list_init_done)
     return;
-  lookup_list_init_done = 1;
+  lookup_list_init_done = TRUE;
 
 #if defined(LOOKUP_CDB) && LOOKUP_CDB!=2
-extern lookup_module_info cdb_lookup_module_info;
   addlookupmodule(NULL, &cdb_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_DBM) && LOOKUP_DBM!=2
-extern lookup_module_info dbmdb_lookup_module_info;
   addlookupmodule(NULL, &dbmdb_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_DNSDB) && LOOKUP_DNSDB!=2
-extern lookup_module_info dnsdb_lookup_module_info;
   addlookupmodule(NULL, &dnsdb_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_DSEARCH) && LOOKUP_DSEARCH!=2
-extern lookup_module_info dsearch_lookup_module_info;
   addlookupmodule(NULL, &dsearch_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_IBASE) && LOOKUP_IBASE!=2
-extern lookup_module_info ibase_lookup_module_info;
   addlookupmodule(NULL, &ibase_lookup_module_info);
 #endif
 
 #ifdef LOOKUP_LDAP
-extern lookup_module_info ldap_lookup_module_info;
   addlookupmodule(NULL, &ldap_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_LSEARCH) && LOOKUP_LSEARCH!=2
-extern lookup_module_info lsearch_lookup_module_info;
   addlookupmodule(NULL, &lsearch_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_MYSQL) && LOOKUP_MYSQL!=2
-extern lookup_module_info mysql_lookup_module_info;
   addlookupmodule(NULL, &mysql_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_NIS) && LOOKUP_NIS!=2
-extern lookup_module_info nis_lookup_module_info;
   addlookupmodule(NULL, &nis_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_NISPLUS) && LOOKUP_NISPLUS!=2
-extern lookup_module_info nisplus_lookup_module_info;
   addlookupmodule(NULL, &nisplus_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_ORACLE) && LOOKUP_ORACLE!=2
-extern lookup_module_info oracle_lookup_module_info;
   addlookupmodule(NULL, &oracle_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_PASSWD) && LOOKUP_PASSWD!=2
-extern lookup_module_info passwd_lookup_module_info;
   addlookupmodule(NULL, &passwd_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_PGSQL) && LOOKUP_PGSQL!=2
-extern lookup_module_info pgsql_lookup_module_info;
   addlookupmodule(NULL, &pgsql_lookup_module_info);
 #endif
 
-#ifdef EXPERIMENTAL_SPF
-extern lookup_module_info spf_lookup_module_info;
+#if defined(LOOKUP_REDIS) && LOOKUP_REDIS!=2
+  addlookupmodule(NULL, &redis_lookup_module_info);
+#endif
+
+#ifdef EXPERIMENTAL_LMDB
+  addlookupmodule(NULL, &lmdb_lookup_module_info);
+#endif
+
+#ifdef SUPPORT_SPF
   addlookupmodule(NULL, &spf_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_SQLITE) && LOOKUP_SQLITE!=2
-extern lookup_module_info sqlite_lookup_module_info;
   addlookupmodule(NULL, &sqlite_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_TESTDB) && LOOKUP_TESTDB!=2
-extern lookup_module_info testdb_lookup_module_info;
   addlookupmodule(NULL, &testdb_lookup_module_info);
 #endif
 
 #if defined(LOOKUP_WHOSON) && LOOKUP_WHOSON!=2
-extern lookup_module_info whoson_lookup_module_info;
   addlookupmodule(NULL, &whoson_lookup_module_info);
 #endif
 
 #ifdef LOOKUP_MODULE_DIR
   dd = opendir(LOOKUP_MODULE_DIR);
   if (dd == NULL) {
-    DEBUG(5) debug_printf("Couldn't open %s: not loading lookup modules\n", LOOKUP_MODULE_DIR);
+    DEBUG(D_lookup) debug_printf("Couldn't open %s: not loading lookup modules\n", LOOKUP_MODULE_DIR);
     log_write(0, LOG_MAIN, "Couldn't open %s: not loading lookup modules\n", LOOKUP_MODULE_DIR);
   }
   else {
-    DEBUG(9) debug_printf("Loading lookup modules from %s\n", LOOKUP_MODULE_DIR);
+    const pcre *regex_islookupmod = regex_must_compile(
+      US"\\." DYNLIB_FN_EXT "$", FALSE, TRUE);
+
+    DEBUG(D_lookup) debug_printf("Loading lookup modules from %s\n", LOOKUP_MODULE_DIR);
     while ((ent = readdir(dd)) != NULL) {
       char *name = ent->d_name;
       int len = (int)strlen(name);
@@ -504,7 +703,7 @@ extern lookup_module_info whoson_lookup_module_info;
         int pathnamelen = len + (int)strlen(LOOKUP_MODULE_DIR) + 2;
         void *dl;
         struct lookup_module_info *info;
-        char *errormsg;
+        const char *errormsg;
 
         /* SRH: am I being paranoid here or what? */
         if (pathnamelen > big_buffer_size) {
@@ -548,19 +747,18 @@ extern lookup_module_info whoson_lookup_module_info;
         }
 
         addlookupmodule(dl, info);
-        DEBUG(9) debug_printf("Loaded \"%s\" (%d lookup types)\n", name, info->lookupcount);
+        DEBUG(D_lookup) debug_printf("Loaded \"%s\" (%d lookup types)\n", name, info->lookupcount);
         countmodules++;
       }
     }
+    store_free((void*)regex_islookupmod);
     closedir(dd);
   }
 
-  DEBUG(9) debug_printf("Loaded %d lookup modules\n", countmodules);
+  DEBUG(D_lookup) debug_printf("Loaded %d lookup modules\n", countmodules);
 #endif
 
-  store_free((void*)regex_islookupmod);
-
-  DEBUG(4) debug_printf("Total %d lookups\n", lookup_list_count);
+  DEBUG(D_lookup) debug_printf("Total %d lookups\n", lookup_list_count);
 
   lookup_list = store_malloc(sizeof(lookup_info *) * lookup_list_count);
   memset(lookup_list, 0, sizeof(lookup_info *) * lookup_list_count);
@@ -582,4 +780,5 @@ extern lookup_module_info whoson_lookup_module_info;
   lookupmodules = NULL;
 }
 
+#endif /*!MACRO_PREDEF*/
 /* End of drtables.c */