X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/c988f1f4faa9f679f79beddf3c14676c5dcb8e28..2983e1a616058c03b57f1ab32a691f8b8ff9764e:/src/src/drtables.c diff --git a/src/src/drtables.c b/src/src/drtables.c index 67a42eedc..0ca369cfc 100644 --- a/src/src/drtables.c +++ b/src/src/drtables.c @@ -1,15 +1,15 @@ -/* $Cambridge: exim/src/src/drtables.c,v 1.2 2005/01/04 10:00:42 ph10 Exp $ */ - /************************************************* * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) University of Cambridge 1995 - 2005 */ +/* Copyright (c) University of Cambridge 1995 - 2018 */ +/* Copyright (c) The Exim Maintainers 2020 */ /* See the file NOTICE for conditions of use and distribution. */ #include "exim.h" +#include /* This module contains tables that define the lookup methods and drivers that are actually included in the binary. Its contents are controlled by @@ -17,563 +17,189 @@ various macros in config.h that ultimately come from Local/Makefile. They are all described in src/EDITME. */ -/* The OSF1 (Digital Unix) linker puts out a worrying warning if any sections -contain no executable code. It says - -Warning: Linking some objects which contain exception information sections - and some which do not. This may cause fatal runtime exception handling - problems. - -As this may cause people to worry needlessly, include a dummy function here -to stop the message from appearing. Make it call itself to stop picky compilers -compilers complaining that it is unused, and put in a dummy argument to stop -even pickier compilers complaining about infinite loops. */ - -static void dummy(int x) { dummy(x-1); } - - -/* Table of information about all possible lookup methods. The entries are -always present, but the "open" and "find" functions are set to NULL for those -that are not compiled into the binary. The "check" and "close" functions can -be NULL for methods that don't need them. */ - -#ifdef LOOKUP_CDB -#include "lookups/cdb.h" -#endif - -#ifdef LOOKUP_DBM -#include "lookups/dbmdb.h" -#endif - -#ifdef LOOKUP_DNSDB -#include "lookups/dnsdb.h" -#endif - -#ifdef LOOKUP_DSEARCH -#include "lookups/dsearch.h" -#endif - -#ifdef LOOKUP_IBASE -#include "lookups/ibase.h" -#endif - -#ifdef LOOKUP_LDAP -#include "lookups/ldap.h" -#endif - -#ifdef LOOKUP_LSEARCH -#include "lookups/lsearch.h" -#endif - -#ifdef LOOKUP_MYSQL -#include "lookups/mysql.h" -#endif - -#ifdef LOOKUP_NIS -#include "lookups/nis.h" -#endif - -#ifdef LOOKUP_NISPLUS -#include "lookups/nisplus.h" -#endif - -#ifdef LOOKUP_ORACLE -#include "lookups/oracle.h" -#endif - -#ifdef LOOKUP_PASSWD -#include "lookups/passwd.h" -#endif - -#ifdef LOOKUP_PGSQL -#include "lookups/pgsql.h" -#endif - -#ifdef LOOKUP_TESTDB -#include "lookups/testdb.h" -#endif - -#ifdef LOOKUP_WHOSON -#include "lookups/whoson.h" -#endif - -/* The second field in each item below is a set of bit flags: - - lookup_querystyle => this is a query-style lookup, - else single-key (+ file) style - lookup_absfile => an absolute file name is required, - (for single-key style only) +lookup_info **lookup_list; +int lookup_list_count = 0; -This list must be in alphabetical order of lookup name because it is -searched by binary chop, having got rather large for the original linear -searching. */ - -lookup_info lookup_list[] = { - -/* cdb lookup in single file */ +/* 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. */ - { - US"cdb", /* lookup name */ - lookup_absfile, /* uses absolute file name */ -#ifdef LOOKUP_CDB - cdb_open, /* open function */ - cdb_check, /* check function */ - cdb_find, /* find function */ - cdb_close, /* close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ +#ifdef AUTH_CRAM_MD5 +#include "auths/cram_md5.h" #endif - }, -/* DBM file lookup; called "dbm" because that is the name in Exim, -but the code is called dbmdb to avoid name clashes. */ - - { - US"dbm", /* lookup name */ - lookup_absfile, /* uses absolute file name */ -#ifdef LOOKUP_DBM - dbmdb_open, /* open function */ - dbmdb_check, /* check function */ - dbmdb_find, /* find function */ - dbmdb_close, /* close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ +#ifdef AUTH_CYRUS_SASL +#include "auths/cyrus_sasl.h" #endif - }, - -/* This variant of DBM does not include the binary zero on the end -of the key strings. */ - { - US"dbmnz", /* lookup name */ - lookup_absfile, /* uses absolute file name */ -#ifdef LOOKUP_DBM - dbmdb_open, /* sic */ /* open function */ - dbmdb_check, /* sic */ /* check function */ - dbmnz_find, /* find function */ - dbmdb_close, /* sic */ /* close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ +#ifdef AUTH_DOVECOT +#include "auths/dovecot.h" #endif - }, - -/* Using DNS TXT records as a database */ - { - US"dnsdb", /* lookup name */ - lookup_querystyle, /* query style */ -#ifdef LOOKUP_DNSDB - dnsdb_open, /* open function */ - NULL, /* check function */ - dnsdb_find, /* find function */ - NULL, /* no close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ +#ifdef AUTH_EXTERNAL +#include "auths/external.h" #endif - }, -/* Search of files in a directory */ - - { - US"dsearch", /* lookup name */ - lookup_absfile, /* uses absolute file name */ -#ifdef LOOKUP_DSEARCH - dsearch_open, /* open function */ - dsearch_check, /* check function */ - dsearch_find, /* find function */ - dsearch_close, /* close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ +#ifdef AUTH_GSASL +#include "auths/gsasl_exim.h" #endif - }, - -/* Interbase lookup */ - { - US"ibase", /* lookup name */ - lookup_querystyle, /* query-style lookup */ -#ifdef LOOKUP_IBASE - ibase_open, /* open function */ - NULL, /* no check function */ - ibase_find, /* find function */ - NULL, /* no close function */ - ibase_tidy, /* tidy function */ - ibase_quote /* quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ +#ifdef AUTH_HEIMDAL_GSSAPI +#include "auths/heimdal_gssapi.h" #endif - }, -/* Linear search of single file with ip-addresses and networks; shares many -functions with lsearch. */ - - { - US"iplsearch", /* lookup name */ - lookup_absfile, /* uses absolute file name */ -#ifdef LOOKUP_LSEARCH - lsearch_open, /* open function */ - lsearch_check, /* check function */ - iplsearch_find, /* find function */ - lsearch_close, /* close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ -#endif - }, - -/* LDAP lookup, allowing data from only one entry to be returned */ - - { - US"ldap", /* lookup name */ - lookup_querystyle, /* query-style lookup */ -#ifdef LOOKUP_LDAP - eldap_open, /* open function */ - NULL, /* check function */ - eldap_find, /* find function */ - NULL, /* no close function */ - eldap_tidy, /* tidy function */ - eldap_quote /* quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ +#ifdef AUTH_PLAINTEXT +#include "auths/plaintext.h" #endif - }, -/* LDAP lookup, allowing the DN from more one entry to be returned */ - - { - US"ldapdn", /* lookup name */ - lookup_querystyle, /* query-style lookup */ -#ifdef LOOKUP_LDAP - eldap_open, /* sic */ /* open function */ - NULL, /* check function */ - eldapdn_find, /* find function */ - NULL, /* no close function */ - eldap_tidy, /* sic */ /* tidy function */ - eldap_quote /* sic */ /* quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ +#ifdef AUTH_SPA +#include "auths/spa.h" #endif - }, -/* LDAP lookup, allowing data from more than one entry to be returned */ - - { - US"ldapm", /* lookup name */ - lookup_querystyle, /* query-style lookup */ -#ifdef LOOKUP_LDAP - eldap_open, /* sic */ /* open function */ - NULL, /* check function */ - eldapm_find, /* find function */ - NULL, /* no close function */ - eldap_tidy, /* sic */ /* tidy function */ - eldap_quote /* sic */ /* quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ +#ifdef AUTH_TLS +#include "auths/tls.h" #endif - }, -/* Linear search of single file */ - - { - US"lsearch", /* lookup name */ - lookup_absfile, /* uses absolute file name */ -#ifdef LOOKUP_LSEARCH - lsearch_open, /* open function */ - lsearch_check, /* check function */ - lsearch_find, /* find function */ - lsearch_close, /* close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ -#endif - }, +auth_info auths_available[] = { -/* MYSQL lookup */ +/* Checking by an expansion condition on plain text */ +#ifdef AUTH_CRAM_MD5 { - US"mysql", /* lookup name */ - lookup_querystyle, /* query-style lookup */ -#ifdef LOOKUP_MYSQL - mysql_open, /* open function */ - NULL, /* no check function */ - mysql_find, /* find function */ - NULL, /* no close function */ - mysql_tidy, /* tidy function */ - mysql_quote /* quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ -#endif + .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, + .macros_create = NULL, }, - -/* NIS lookup, excluding trailing 0 from key */ - - { - US"nis", /* lookup name */ - 0, /* not abs file, not query style*/ -#ifdef LOOKUP_NIS - nis_open, /* open function */ - NULL, /* check function */ - nis_find, /* find function */ - NULL, /* no close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ #endif - }, - -/* NIS lookup, including trailing 0 in key */ +#ifdef AUTH_CYRUS_SASL { - US"nis0", /* lookup name */ - 0, /* not absfile, not query style */ -#ifdef LOOKUP_NIS - nis_open, /* sic */ /* open function */ - NULL, /* check function */ - nis0_find, /* find function */ - NULL, /* no close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ -#endif + .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, + .macros_create = NULL, }, - -/* NIS+ lookup */ - - { - US"nisplus", /* lookup name */ - lookup_querystyle, /* query-style lookup */ -#ifdef LOOKUP_NISPLUS - nisplus_open, /* open function */ - NULL, /* check function */ - nisplus_find, /* find function */ - NULL, /* no close function */ - NULL, /* no tidy function */ - nisplus_quote /* quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ #endif - }, - -/* Linear search of single file, with wildcarding but no pattern expansion. -Shares many functions with lsearch. */ +#ifdef AUTH_DOVECOT { - US"nwildlsearch", /* lookup name */ - lookup_absfile, /* uses absolute file name */ -#ifdef LOOKUP_LSEARCH - lsearch_open, /* open function */ - lsearch_check, /* check function */ - nwildlsearch_find, /* find function */ - lsearch_close, /* close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ -#endif + .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, + .macros_create = NULL, }, - -/* Oracle lookup */ - - { - US"oracle", /* lookup name */ - lookup_querystyle, /* query-style lookup */ -#ifdef LOOKUP_ORACLE - oracle_open, /* open function */ - NULL, /* check function */ - oracle_find, /* find function */ - NULL, /* no close function */ - oracle_tidy, /* tidy function */ - oracle_quote /* quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ #endif - }, - -/* passwd lookup */ +#ifdef AUTH_EXTERNAL { - US"passwd", /* lookup name */ - lookup_querystyle, /* query-style lookup */ -#ifdef LOOKUP_PASSWD - passwd_open, /* open function */ - NULL, /* no check function */ - passwd_find, /* find function */ - NULL, /* no close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ -#endif + .driver_name = US"external", + .options = auth_external_options, + .options_count = &auth_external_options_count, + .options_block = &auth_external_option_defaults, + .options_len = sizeof(auth_external_options_block), + .init = auth_external_init, + .servercode = auth_external_server, + .clientcode = auth_external_client, + .version_report = NULL, + .macros_create = NULL, }, - -/* PGSQL lookup */ - - { - US"pgsql", /* lookup name */ - lookup_querystyle, /* query-style lookup */ -#ifdef LOOKUP_PGSQL - pgsql_open, /* open function */ - NULL, /* no check function */ - pgsql_find, /* find function */ - NULL, /* no close function */ - pgsql_tidy, /* tidy function */ - pgsql_quote /* quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ #endif - }, - -/* Testdb lookup is for testing Exim, not useful for normal running. -For that reason, we omit the entry entirely when not building it into -the binary, so that attempts to use it give "unknown lookup type" instead -of "lookup type not available". */ -#ifdef LOOKUP_TESTDB +#ifdef AUTH_GSASL { - US"testdb", /* lookup name */ - lookup_querystyle, /* query-style lookup */ - testdb_open, /* open function */ - NULL, /* check function */ - testdb_find, /* find function */ - NULL, /* no close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ + .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 = auth_gsasl_client, + .version_report = auth_gsasl_version_report, + .macros_create = auth_gsasl_macros, }, #endif -/* "Whoson" lookup */ - +#ifdef AUTH_HEIMDAL_GSSAPI { - US"whoson", /* lookup name */ - lookup_querystyle, /* query-style lookup */ -#ifdef LOOKUP_WHOSON - whoson_open, /* open function */ - NULL, /* check function */ - whoson_find, /* find function */ - NULL, /* no close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ -#endif + .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, + .macros_create = NULL, }, - -/* Linear search of single file, with wildcarding and pattern expansion. Shares -many functions with lsearch. */ - - { - US"wildlsearch", /* lookup name */ - lookup_absfile, /* uses absolute file name */ -#ifdef LOOKUP_LSEARCH - lsearch_open, /* open function */ - lsearch_check, /* check function */ - wildlsearch_find, /* find function */ - lsearch_close, /* close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ -#endif - } -}; - -/* Number of entries in the list */ - -int lookup_list_count = sizeof(lookup_list)/sizeof(lookup_info); - - - -/* 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. */ - -#ifdef AUTH_CRAM_MD5 -#include "auths/cram_md5.h" -#endif - -#ifdef AUTH_CYRUS_SASL -#include "auths/cyrus_sasl.h" #endif #ifdef AUTH_PLAINTEXT -#include "auths/plaintext.h" -#endif - -#ifdef AUTH_SPA -#include "auths/spa.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 */ - }, -#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"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, + .macros_create = NULL, }, #endif -#ifdef AUTH_PLAINTEXT +#ifdef AUTH_SPA { - 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"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, + .macros_create = NULL, }, #endif -#ifdef AUTH_SPA +#ifdef AUTH_TLS { - 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"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, + .macros_create = NULL, }, #endif -{ US"", NULL, NULL, NULL, 0, NULL, NULL, NULL } + { .driver_name = US"" } /* end marker */ }; @@ -628,6 +254,10 @@ exim binary. */ #include "transports/pipe.h" #endif +#ifdef EXPERIMENTAL_QUEUEFILE +#include "transports/queuefile.h" +#endif + #ifdef TRANSPORT_SMTP #include "transports/smtp.h" #endif @@ -638,96 +268,96 @@ 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"" } }; @@ -735,75 +365,454 @@ router_info routers_available[] = { 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"" } }; +#ifndef MACRO_PREDEF + +gstring * +auth_show_supported(gstring * g) +{ +g = string_cat(g, US"Authenticators:"); +for (auth_info * ai = auths_available; ai->driver_name[0]; ai++) + g = string_fmt_append(g, " %s", ai->driver_name); +return string_cat(g, US"\n"); +} + +gstring * +route_show_supported(gstring * g) +{ +g = string_cat(g, US"Routers:"); +for (router_info * rr = routers_available; rr->driver_name[0]; rr++) + g = string_fmt_append(g, " %s", rr->driver_name); +return string_cat(g, US"\n"); +} + +gstring * +transport_show_supported(gstring * g) +{ +g = string_cat(g, US"Transports:"); +#ifdef TRANSPORT_APPENDFILE + g = string_cat(g, US" appendfile"); + #ifdef SUPPORT_MAILDIR + g = string_cat(g, US"/maildir"); /* damn these subclasses */ + #endif + #ifdef SUPPORT_MAILSTORE + g = string_cat(g, US"/mailstore"); + #endif + #ifdef SUPPORT_MBX + g = string_cat(g, US"/mbx"); + #endif +#endif +#ifdef TRANSPORT_AUTOREPLY + g = string_cat(g, US" autoreply"); +#endif +#ifdef TRANSPORT_LMTP + g = string_cat(g, US" lmtp"); +#endif +#ifdef TRANSPORT_PIPE + g = string_cat(g, US" pipe"); +#endif +#ifdef EXPERIMENTAL_QUEUEFILE + g = string_cat(g, US" queuefile"); +#endif +#ifdef TRANSPORT_SMTP + g = string_cat(g, US" smtp"); +#endif +return string_cat(g, US"\n"); +} + + + +struct lookupmodulestr +{ + void *dl; + struct lookup_module_info *info; + struct lookupmodulestr *next; +}; + +static struct lookupmodulestr *lookupmodules = NULL; + +static void +addlookupmodule(void *dl, struct lookup_module_info *info) +{ +struct lookupmodulestr *p = store_get(sizeof(struct lookupmodulestr), FALSE); + +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) +{ +/* 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; +} + + +/* 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_JSON) +extern lookup_module_info json_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 + +extern lookup_module_info readsock_lookup_module_info; + + +void +init_lookup_list(void) +{ +#ifdef LOOKUP_MODULE_DIR +DIR *dd; +struct dirent *ent; +int countmodules = 0; +int moduleerrors = 0; +#endif +static BOOL lookup_list_init_done = FALSE; +rmark reset_point; + +if (lookup_list_init_done) + return; +reset_point = store_mark(); +lookup_list_init_done = TRUE; + +#if defined(LOOKUP_CDB) && LOOKUP_CDB!=2 +addlookupmodule(NULL, &cdb_lookup_module_info); +#endif + +#if defined(LOOKUP_DBM) && LOOKUP_DBM!=2 +addlookupmodule(NULL, &dbmdb_lookup_module_info); +#endif + +#if defined(LOOKUP_DNSDB) && LOOKUP_DNSDB!=2 +addlookupmodule(NULL, &dnsdb_lookup_module_info); +#endif + +#if defined(LOOKUP_DSEARCH) && LOOKUP_DSEARCH!=2 +addlookupmodule(NULL, &dsearch_lookup_module_info); +#endif + +#if defined(LOOKUP_IBASE) && LOOKUP_IBASE!=2 +addlookupmodule(NULL, &ibase_lookup_module_info); +#endif + +#ifdef LOOKUP_LDAP +addlookupmodule(NULL, &ldap_lookup_module_info); +#endif + +#ifdef LOOKUP_JSON +addlookupmodule(NULL, &json_lookup_module_info); +#endif + +#if defined(LOOKUP_LSEARCH) && LOOKUP_LSEARCH!=2 +addlookupmodule(NULL, &lsearch_lookup_module_info); +#endif + +#if defined(LOOKUP_MYSQL) && LOOKUP_MYSQL!=2 +addlookupmodule(NULL, &mysql_lookup_module_info); +#endif + +#if defined(LOOKUP_NIS) && LOOKUP_NIS!=2 +addlookupmodule(NULL, &nis_lookup_module_info); +#endif + +#if defined(LOOKUP_NISPLUS) && LOOKUP_NISPLUS!=2 +addlookupmodule(NULL, &nisplus_lookup_module_info); +#endif + +#if defined(LOOKUP_ORACLE) && LOOKUP_ORACLE!=2 +addlookupmodule(NULL, &oracle_lookup_module_info); +#endif + +#if defined(LOOKUP_PASSWD) && LOOKUP_PASSWD!=2 +addlookupmodule(NULL, &passwd_lookup_module_info); +#endif + +#if defined(LOOKUP_PGSQL) && LOOKUP_PGSQL!=2 +addlookupmodule(NULL, &pgsql_lookup_module_info); +#endif + +#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 +addlookupmodule(NULL, &sqlite_lookup_module_info); +#endif + +#if defined(LOOKUP_TESTDB) && LOOKUP_TESTDB!=2 +addlookupmodule(NULL, &testdb_lookup_module_info); +#endif + +#if defined(LOOKUP_WHOSON) && LOOKUP_WHOSON!=2 +addlookupmodule(NULL, &whoson_lookup_module_info); +#endif + +addlookupmodule(NULL, &readsock_lookup_module_info); + +#ifdef LOOKUP_MODULE_DIR +if (!(dd = exim_opendir(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 + { + 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))) + { + char *name = ent->d_name; + int len = (int)strlen(name); + if (pcre_exec(regex_islookupmod, NULL, name, len, 0, PCRE_EOPT, NULL, 0) >= 0) + { + int pathnamelen = len + (int)strlen(LOOKUP_MODULE_DIR) + 2; + void *dl; + struct lookup_module_info *info; + const char *errormsg; + + /* SRH: am I being paranoid here or what? */ + if (pathnamelen > big_buffer_size) + { + fprintf(stderr, "Loading lookup modules: %s/%s: name too long\n", LOOKUP_MODULE_DIR, name); + log_write(0, LOG_MAIN|LOG_PANIC, "%s/%s: name too long\n", LOOKUP_MODULE_DIR, name); + continue; + } + + /* SRH: snprintf here? */ + sprintf(CS big_buffer, "%s/%s", LOOKUP_MODULE_DIR, name); + + if (!(dl = dlopen(CS big_buffer, RTLD_NOW))) + { + errormsg = dlerror(); + fprintf(stderr, "Error loading %s: %s\n", name, errormsg); + log_write(0, LOG_MAIN|LOG_PANIC, "Error loading lookup module %s: %s\n", name, errormsg); + moduleerrors++; + 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())) + { + fprintf(stderr, "%s does not appear to be a lookup module (%s)\n", name, errormsg); + log_write(0, LOG_MAIN|LOG_PANIC, "%s does not appear to be a lookup module (%s)\n", name, errormsg); + dlclose(dl); + moduleerrors++; + continue; + } + if (info->magic != LOOKUP_MODULE_INFO_MAGIC) + { + fprintf(stderr, "Lookup module %s is not compatible with this version of Exim\n", name); + log_write(0, LOG_MAIN|LOG_PANIC, "Lookup module %s is not compatible with this version of Exim\n", name); + dlclose(dl); + moduleerrors++; + continue; + } + + addlookupmodule(dl, info); + DEBUG(D_lookup) debug_printf("Loaded \"%s\" (%d lookup types)\n", name, info->lookupcount); + countmodules++; + } + } + store_free((void*)regex_islookupmod); + closedir(dd); + } + +DEBUG(D_lookup) debug_printf("Loaded %d lookup modules\n", countmodules); +#endif + +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); + +/* now add all lookups to the real list */ +for (struct lookupmodulestr * p = lookupmodules; p; p = p->next) + for (int j = 0; j < p->info->lookupcount; j++) + add_lookup_to_list(p->info->lookups[j]); +store_reset(reset_point); +/* just to be sure */ +lookupmodules = NULL; +} + +#endif /*!MACRO_PREDEF*/ /* End of drtables.c */