-/* $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 - 2015 */
/* See the file NOTICE for conditions of use and distribution. */
#include "exim.h"
-#include <dlfcn.h>
#include <string.h>
/* This module contains tables that define the lookup methods and drivers
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
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. */
#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
#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 */
sizeof(auth_cram_md5_options_block),
auth_cram_md5_init, /* init function */
auth_cram_md5_server, /* server function */
- auth_cram_md5_client /* client function */
+ auth_cram_md5_client, /* client function */
+ NULL /* diagnostic function */
},
#endif
sizeof(auth_cyrus_sasl_options_block),
auth_cyrus_sasl_init, /* init function */
auth_cyrus_sasl_server, /* server function */
- NULL /* client function */
+ NULL, /* client function */
+ auth_cyrus_sasl_version_report /* diagnostic function */
},
#endif
sizeof(auth_dovecot_options_block),
auth_dovecot_init, /* init function */
auth_dovecot_server, /* server function */
- NULL /* client function */
+ NULL, /* client function */
+ NULL /* diagnostic function */
+ },
+#endif
+
+#ifdef AUTH_GSASL
+ {
+ US"gsasl", /* lookup name */
+ auth_gsasl_options,
+ &auth_gsasl_options_count,
+ &auth_gsasl_option_defaults,
+ sizeof(auth_gsasl_options_block),
+ auth_gsasl_init, /* init function */
+ auth_gsasl_server, /* server function */
+ NULL, /* client function */
+ auth_gsasl_version_report /* diagnostic function */
+ },
+#endif
+
+#ifdef AUTH_HEIMDAL_GSSAPI
+ {
+ US"heimdal_gssapi", /* lookup name */
+ auth_heimdal_gssapi_options,
+ &auth_heimdal_gssapi_options_count,
+ &auth_heimdal_gssapi_option_defaults,
+ sizeof(auth_heimdal_gssapi_options_block),
+ auth_heimdal_gssapi_init, /* init function */
+ auth_heimdal_gssapi_server, /* server function */
+ NULL, /* client function */
+ auth_heimdal_gssapi_version_report /* diagnostic function */
},
#endif
sizeof(auth_plaintext_options_block),
auth_plaintext_init, /* init function */
auth_plaintext_server, /* server function */
- auth_plaintext_client /* client function */
+ auth_plaintext_client, /* client function */
+ NULL /* diagnostic function */
},
#endif
sizeof(auth_spa_options_block),
auth_spa_init, /* init function */
auth_spa_server, /* server function */
- auth_spa_client /* client function */
+ auth_spa_client, /* client function */
+ NULL /* diagnostic function */
+ },
+#endif
+
+#ifdef AUTH_TLS
+ {
+ US"tls", /* lookup name */
+ auth_tls_options,
+ &auth_tls_options_count,
+ &auth_tls_option_defaults,
+ sizeof(auth_tls_options_block),
+ auth_tls_init, /* init function */
+ auth_tls_server, /* server function */
+ NULL, /* client function */
+ NULL /* diagnostic function */
},
#endif
-{ US"", NULL, NULL, NULL, 0, NULL, NULL, NULL }
+{ US"", NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL }
};
lookup_list[pos] = info;
}
+
+/* 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_WHOSON) && LOOKUP_WHOSON!=2
+extern lookup_module_info whoson_lookup_module_info;
+#endif
+#if defined(LOOKUP_TESTDB) && LOOKUP_TESTDB!=2
+extern lookup_module_info testdb_lookup_module_info;
+#endif
+#if defined(LOOKUP_SQLITE) && LOOKUP_SQLITE!=2
+extern lookup_module_info sqlite_lookup_module_info;
+#endif
+#ifdef EXPERIMENTAL_SPF
+extern lookup_module_info spf_lookup_module_info;
+#endif
+#if defined(LOOKUP_PGSQL) && LOOKUP_PGSQL!=2
+extern lookup_module_info pgsql_lookup_module_info;
+#endif
+#if defined(LOOKUP_PASSWD) && LOOKUP_PASSWD!=2
+extern lookup_module_info passwd_lookup_module_info;
+#endif
+#if defined(LOOKUP_REDIS) && LOOKUP_REDIS!=2
+extern lookup_module_info redis_lookup_module_info;
+#endif
+#if defined(LOOKUP_ORACLE) && LOOKUP_ORACLE!=2
+extern lookup_module_info oracle_lookup_module_info;
+#endif
+#if defined(LOOKUP_NISPLUS) && LOOKUP_NISPLUS!=2
+extern lookup_module_info nisplus_lookup_module_info;
+#endif
+#if defined(LOOKUP_NIS) && LOOKUP_NIS!=2
+extern lookup_module_info nis_lookup_module_info;
+#endif
+#if defined(LOOKUP_MYSQL) && LOOKUP_MYSQL!=2
+extern lookup_module_info mysql_lookup_module_info;
+#endif
+#if defined(LOOKUP_LSEARCH) && LOOKUP_LSEARCH!=2
+extern lookup_module_info lsearch_lookup_module_info;
+#endif
+#ifdef LOOKUP_LDAP
+extern lookup_module_info ldap_lookup_module_info;
+#endif
+#if defined(LOOKUP_IBASE) && LOOKUP_IBASE!=2
+extern lookup_module_info ibase_lookup_module_info;
+#endif
+#if defined(LOOKUP_DSEARCH) && LOOKUP_DSEARCH!=2
+extern lookup_module_info dsearch_lookup_module_info;
+#endif
+#if defined(LOOKUP_DNSDB) && LOOKUP_DNSDB!=2
+extern lookup_module_info dnsdb_lookup_module_info;
+#endif
+#if defined(LOOKUP_DBM) && LOOKUP_DBM!=2
+extern lookup_module_info dbmdb_lookup_module_info;
+#endif
+#if defined(LOOKUP_CDB) && LOOKUP_CDB!=2
+extern lookup_module_info cdb_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$", FALSE, TRUE);
int countmodules = 0;
int moduleerrors = 0;
+#endif
struct lookupmodulestr *p;
+ const pcre *regex_islookupmod = regex_must_compile(
+ US"\\." DYNLIB_FN_EXT "$", FALSE, TRUE);
+
+ if (lookup_list_init_done)
+ return;
+ lookup_list_init_done = 1;
#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
+#if defined(LOOKUP_REDIS) && LOOKUP_REDIS!=2
+ addlookupmodule(NULL, &redis_lookup_module_info);
+#endif
+
#ifdef EXPERIMENTAL_SPF
-extern lookup_module_info spf_lookup_module_info;
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);
+ 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);
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) {
continue;
}
+ /* FreeBSD nsdispatch() can trigger dlerror() errors about
+ * _nss_cache_cycle_prevention_function; we need to clear the dlerror()
+ * state before calling dlsym(), so that any error afterwards only
+ * comes from dlsym().
+ */
+ errormsg = dlerror();
+
info = (struct lookup_module_info*) dlsym(dl, "_lookup_module_info");
if ((errormsg = dlerror()) != NULL) {
fprintf(stderr, "%s does not appear to be a lookup module (%s)\n", name, errormsg);
}
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++;
}
}
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);
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