X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/80a47a2c9633437d4ceebd214cd44abfbd4f4543..8d8d7351b72f1eb6fbd7bac7714c8898fdc1f7e5:/src/src/drtables.c diff --git a/src/src/drtables.c b/src/src/drtables.c index b4419073d..10b4ae8e0 100644 --- a/src/src/drtables.c +++ b/src/src/drtables.c @@ -1,15 +1,14 @@ -/* $Cambridge: exim/src/src/drtables.c,v 1.10 2009/06/10 07:34:04 tom Exp $ */ - /************************************************* * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) University of Cambridge 1995 - 2007 */ +/* Copyright (c) University of Cambridge 1995 - 2016 */ /* 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 @@ -17,529 +16,10 @@ 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 EXPERIMENTAL_SPF -#include "lookups/spf.h" -#endif - -#ifdef LOOKUP_SQLITE -#include "lookups/sqlite.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) - -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 */ - - { - 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 */ -#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 */ -#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 */ -#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 */ -#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 */ -#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 */ -#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 */ -#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 */ -#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 */ -#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 - }, - -/* MYSQL lookup */ - - { - 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 - }, - -/* 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 */ - - { - 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 - }, - -/* 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. */ - - { - 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 - }, - -/* 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 */ - - { - 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 - }, - -/* 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 - }, - -/* SPF lookup */ - - { - US"spf", /* lookup name */ - 0, /* not absfile, not query style */ -#ifdef EXPERIMENTAL_SPF - spf_open, /* open function */ - NULL, /* no check function */ - spf_find, /* find function */ - spf_close, /* close function */ - NULL, /* no tidy function */ - NULL /* no quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ -#endif - }, - -/* sqlite lookup */ - - { - US"sqlite", /* lookup name */ - lookup_absfilequery, /* query-style lookup, starts with file name */ -#ifdef LOOKUP_SQLITE - sqlite_open, /* open function */ - NULL, /* no check function */ - sqlite_find, /* find function */ - sqlite_close, /* close function */ - NULL, /* no tidy function */ - sqlite_quote /* quoting function */ -#else - NULL, NULL, NULL, NULL, NULL, NULL /* lookup not present */ -#endif - }, +lookup_info **lookup_list; +int lookup_list_count = 0; -/* 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 - { - 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 */ - }, -#endif - -/* "Whoson" lookup */ - - { - 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 - }, - -/* 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 +/* 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. */ @@ -555,6 +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 @@ -563,76 +51,127 @@ 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 + +#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 -{ US"", NULL, NULL, NULL, 0, NULL, NULL, NULL } +{ .driver_name = US"" } /* end marker */ }; @@ -687,6 +226,10 @@ exim binary. */ #include "transports/pipe.h" #endif +#ifdef EXPERIMENTAL_QUEUEFILE +#include "transports/queuefile.h" +#endif + #ifdef TRANSPORT_SMTP #include "transports/smtp.h" #endif @@ -697,96 +240,96 @@ 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"" } }; @@ -794,75 +337,392 @@ 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 + +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_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) +{ +/* 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_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(EXPERIMENTAL_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; + 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 = 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 + +#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 EXPERIMENTAL_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 + +#ifdef LOOKUP_MODULE_DIR + dd = opendir(LOOKUP_MODULE_DIR); + if (dd == NULL) { + 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)) != NULL) { + 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); + + dl = dlopen(CS big_buffer, RTLD_NOW);// TJ was LAZY + if (dl == NULL) { + fprintf(stderr, "Error loading %s: %s\n", name, dlerror()); + moduleerrors++; + log_write(0, LOG_MAIN|LOG_PANIC, "Error loading lookup module %s: %s\n", name, dlerror()); + 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); + dlclose(dl); + moduleerrors++; + log_write(0, LOG_MAIN|LOG_PANIC, "%s does not appear to be a lookup module (%s)\n", name, errormsg); + continue; + } + if (info->magic != LOOKUP_MODULE_INFO_MAGIC) { + fprintf(stderr, "Lookup module %s is not compatible with this version of Exim\n", name); + dlclose(dl); + moduleerrors++; + log_write(0, LOG_MAIN|LOG_PANIC, "Lookup module %s is not compatible with this version of Exim\n", name); + 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 */ + p = lookupmodules; + while (p) { + int j; + struct lookupmodulestr *pnext; + + for (j = 0; j < p->info->lookupcount; j++) + add_lookup_to_list(p->info->lookups[j]); + + pnext = p->next; + store_free(p); + p = pnext; + } + /* just to be sure */ + lookupmodules = NULL; +} + +#endif /*!MACRO_PREDEF*/ /* End of drtables.c */