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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:44:07 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:44:07 +0000 |
commit | 39ce00b8d520cbecbd6af87257e8fb11df0ec273 (patch) | |
tree | 4c21a2674c19e5c44be3b3550b476b9e63d8ae3d /src/drtables.c | |
parent | Initial commit. (diff) | |
download | exim4-39ce00b8d520cbecbd6af87257e8fb11df0ec273.tar.xz exim4-39ce00b8d520cbecbd6af87257e8fb11df0ec273.zip |
Adding upstream version 4.94.2.upstream/4.94.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/drtables.c | 818 |
1 files changed, 818 insertions, 0 deletions
diff --git a/src/drtables.c b/src/drtables.c new file mode 100644 index 0000000..0ca369c --- /dev/null +++ b/src/drtables.c @@ -0,0 +1,818 @@ +/************************************************* +* Exim - an Internet mail transport agent * +*************************************************/ + +/* 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 <string.h> + +/* This module contains tables that define the lookup methods and drivers +that are actually included in the binary. Its contents are controlled by +various macros in config.h that ultimately come from Local/Makefile. They are +all described in src/EDITME. */ + + +lookup_info **lookup_list; +int lookup_list_count = 0; + +/* 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. */ + +#ifdef AUTH_CRAM_MD5 +#include "auths/cram_md5.h" +#endif + +#ifdef AUTH_CYRUS_SASL +#include "auths/cyrus_sasl.h" +#endif + +#ifdef AUTH_DOVECOT +#include "auths/dovecot.h" +#endif + +#ifdef AUTH_EXTERNAL +#include "auths/external.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 + +#ifdef AUTH_SPA +#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 + { + .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, + }, +#endif + +#ifdef AUTH_CYRUS_SASL + { + .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, + }, +#endif + +#ifdef AUTH_DOVECOT + { + .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, + }, +#endif + +#ifdef AUTH_EXTERNAL + { + .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, + }, +#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 = auth_gsasl_client, + .version_report = auth_gsasl_version_report, + .macros_create = auth_gsasl_macros, + }, +#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, + .macros_create = NULL, + }, +#endif + +#ifdef AUTH_PLAINTEXT + { + .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_SPA + { + .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_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, + .macros_create = NULL, + }, +#endif + + { .driver_name = US"" } /* end marker */ +}; + + +/* Tables of information about which routers and transports are included in the +exim binary. */ + +/* Pull in the necessary header files */ + +#include "routers/rf_functions.h" + +#ifdef ROUTER_ACCEPT +#include "routers/accept.h" +#endif + +#ifdef ROUTER_DNSLOOKUP +#include "routers/dnslookup.h" +#endif + +#ifdef ROUTER_MANUALROUTE +#include "routers/manualroute.h" +#endif + +#ifdef ROUTER_IPLITERAL +#include "routers/ipliteral.h" +#endif + +#ifdef ROUTER_IPLOOKUP +#include "routers/iplookup.h" +#endif + +#ifdef ROUTER_QUERYPROGRAM +#include "routers/queryprogram.h" +#endif + +#ifdef ROUTER_REDIRECT +#include "routers/redirect.h" +#endif + +#ifdef TRANSPORT_APPENDFILE +#include "transports/appendfile.h" +#endif + +#ifdef TRANSPORT_AUTOREPLY +#include "transports/autoreply.h" +#endif + +#ifdef TRANSPORT_LMTP +#include "transports/lmtp.h" +#endif + +#ifdef TRANSPORT_PIPE +#include "transports/pipe.h" +#endif + +#ifdef EXPERIMENTAL_QUEUEFILE +#include "transports/queuefile.h" +#endif + +#ifdef TRANSPORT_SMTP +#include "transports/smtp.h" +#endif + + +/* Now set up the structures, terminated by an entry with a null name. */ + +router_info routers_available[] = { +#ifdef ROUTER_ACCEPT + { + .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 + { + .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 + { + .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 + { + .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 + { + .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 + { + .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 + { + .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"" } +}; + + + +transport_info transports_available[] = { +#ifdef TRANSPORT_APPENDFILE + { + .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 + { + .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 + { + .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 + { + .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 + { + .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"" } +}; + +#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 */ |