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Diffstat (limited to 'servers/slapd/back-sql/config.c')
| -rw-r--r-- | servers/slapd/back-sql/config.c | 761 |
1 files changed, 761 insertions, 0 deletions
diff --git a/servers/slapd/back-sql/config.c b/servers/slapd/back-sql/config.c new file mode 100644 index 0000000..e421bcd --- /dev/null +++ b/servers/slapd/back-sql/config.c @@ -0,0 +1,761 @@ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1999-2021 The OpenLDAP Foundation. + * Portions Copyright 1999 Dmitry Kovalev. + * Portions Copyright 2002 Pierangelo Masarati. + * Portions Copyright 2004 Mark Adamson. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * <http://www.OpenLDAP.org/license.html>. + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by Dmitry Kovalev for inclusion + * by OpenLDAP Software. Additional significant contributors include + * Pierangelo Masarati. + */ + +#include "portable.h" + +#include <stdio.h> +#include "ac/string.h" +#include <sys/types.h> + +#include "slap.h" +#include "config.h" +#include "ldif.h" +#include "lutil.h" +#include "proto-sql.h" + +static int +create_baseObject( + BackendDB *be, + const char *fname, + int lineno ); + +static int +read_baseObject( + BackendDB *be, + const char *fname ); + +static ConfigDriver sql_cf_gen; + +enum { + BSQL_CONCAT_PATT = 1, + BSQL_CREATE_NEEDS_SEL, + BSQL_UPPER_NEEDS_CAST, + BSQL_HAS_LDAPINFO_DN_RU, + BSQL_FAIL_IF_NO_MAPPING, + BSQL_ALLOW_ORPHANS, + BSQL_BASE_OBJECT, + BSQL_LAYER, + BSQL_SUBTREE_SHORTCUT, + BSQL_FETCH_ALL_ATTRS, + BSQL_FETCH_ATTRS, + BSQL_CHECK_SCHEMA, + BSQL_ALIASING_KEYWORD, + BSQL_AUTOCOMMIT +}; + +static ConfigTable sqlcfg[] = { + { "dbhost", "hostname", 2, 2, 0, ARG_STRING|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_dbhost), + "( OLcfgDbAt:6.1 NAME 'olcDbHost' " + "DESC 'Hostname of SQL server' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "dbname", "name", 2, 2, 0, ARG_STRING|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_dbname), + "( OLcfgDbAt:6.2 NAME 'olcDbName' " + "DESC 'Name of SQL database' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "dbuser", "username", 2, 2, 0, ARG_STRING|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_dbuser), + "( OLcfgDbAt:6.3 NAME 'olcDbUser' " + "DESC 'Username for SQL session' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "dbpasswd", "password", 2, 2, 0, ARG_STRING|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_dbpasswd), + "( OLcfgDbAt:6.4 NAME 'olcDbPass' " + "DESC 'Password for SQL session' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "concat_pattern", "pattern", 2, 2, 0, + ARG_STRING|ARG_MAGIC|BSQL_CONCAT_PATT, (void *)sql_cf_gen, + "( OLcfgDbAt:6.20 NAME 'olcSqlConcatPattern' " + "DESC 'Pattern used to concatenate strings' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "subtree_cond", "SQL expression", 2, 0, 0, ARG_BERVAL|ARG_QUOTE|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_subtree_cond), + "( OLcfgDbAt:6.21 NAME 'olcSqlSubtreeCond' " + "DESC 'Where-clause template for a subtree search condition' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "children_cond", "SQL expression", 2, 0, 0, ARG_BERVAL|ARG_QUOTE|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_children_cond), + "( OLcfgDbAt:6.22 NAME 'olcSqlChildrenCond' " + "DESC 'Where-clause template for a children search condition' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "dn_match_cond", "SQL expression", 2, 0, 0, ARG_BERVAL|ARG_QUOTE|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_dn_match_cond), + "( OLcfgDbAt:6.23 NAME 'olcSqlDnMatchCond' " + "DESC 'Where-clause template for a DN match search condition' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "oc_query", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_oc_query), + "( OLcfgDbAt:6.24 NAME 'olcSqlOcQuery' " + "DESC 'Query used to collect objectClass mapping data' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "at_query", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_at_query), + "( OLcfgDbAt:6.25 NAME 'olcSqlAtQuery' " + "DESC 'Query used to collect attributeType mapping data' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "insentry_stmt", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_insentry_stmt), + "( OLcfgDbAt:6.26 NAME 'olcSqlInsEntryStmt' " + "DESC 'Statement used to insert a new entry' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "create_needs_select", "yes|no", 2, 2, 0, + ARG_ON_OFF|ARG_MAGIC|BSQL_CREATE_NEEDS_SEL, (void *)sql_cf_gen, + "( OLcfgDbAt:6.27 NAME 'olcSqlCreateNeedsSelect' " + "DESC 'Whether entry creation needs a subsequent select' " + "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, + { "upper_func", "SQL function name", 2, 2, 0, ARG_BERVAL|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_upper_func), + "( OLcfgDbAt:6.28 NAME 'olcSqlUpperFunc' " + "DESC 'Function that converts a value to uppercase' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "upper_needs_cast", "yes|no", 2, 2, 0, + ARG_ON_OFF|ARG_MAGIC|BSQL_UPPER_NEEDS_CAST, (void *)sql_cf_gen, + "( OLcfgDbAt:6.29 NAME 'olcSqlUpperNeedsCast' " + "DESC 'Whether olcSqlUpperFunc needs an explicit cast' " + "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, + { "strcast_func", "SQL function name", 2, 2, 0, ARG_BERVAL|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_strcast_func), + "( OLcfgDbAt:6.30 NAME 'olcSqlStrcastFunc' " + "DESC 'Function that converts a value to a string' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "delentry_stmt", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_delentry_stmt), + "( OLcfgDbAt:6.31 NAME 'olcSqlDelEntryStmt' " + "DESC 'Statement used to delete an existing entry' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "renentry_stmt", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_renentry_stmt), + "( OLcfgDbAt:6.32 NAME 'olcSqlRenEntryStmt' " + "DESC 'Statement used to rename an entry' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "delobjclasses_stmt", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_delobjclasses_stmt), + "( OLcfgDbAt:6.33 NAME 'olcSqlDelObjclassesStmt' " + "DESC 'Statement used to delete the ID of an entry' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "has_ldapinfo_dn_ru", "yes|no", 2, 2, 0, + ARG_ON_OFF|ARG_MAGIC|BSQL_HAS_LDAPINFO_DN_RU, (void *)sql_cf_gen, + "( OLcfgDbAt:6.34 NAME 'olcSqlHasLDAPinfoDnRu' " + "DESC 'Whether the dn_ru column is present' " + "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, + { "fail_if_no_mapping", "yes|no", 2, 2, 0, + ARG_ON_OFF|ARG_MAGIC|BSQL_FAIL_IF_NO_MAPPING, (void *)sql_cf_gen, + "( OLcfgDbAt:6.35 NAME 'olcSqlFailIfNoMapping' " + "DESC 'Whether to fail on unknown attribute mappings' " + "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, + { "allow_orphans", "yes|no", 2, 2, 0, + ARG_ON_OFF|ARG_MAGIC|BSQL_ALLOW_ORPHANS, (void *)sql_cf_gen, + "( OLcfgDbAt:6.36 NAME 'olcSqlAllowOrphans' " + "DESC 'Whether to allow adding entries with no parent' " + "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, + { "baseobject", "[file]", 1, 2, 0, + ARG_STRING|ARG_MAGIC|BSQL_BASE_OBJECT, (void *)sql_cf_gen, + "( OLcfgDbAt:6.37 NAME 'olcSqlBaseObject' " + "DESC 'Manage an in-memory baseObject entry' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "sqllayer", "name", 2, 0, 0, + ARG_MAGIC|BSQL_LAYER, (void *)sql_cf_gen, + "( OLcfgDbAt:6.38 NAME 'olcSqlLayer' " + "DESC 'Helper used to map DNs between LDAP and SQL' " + "SYNTAX OMsDirectoryString )", NULL, NULL }, + { "use_subtree_shortcut", "yes|no", 2, 2, 0, + ARG_ON_OFF|ARG_MAGIC|BSQL_SUBTREE_SHORTCUT, (void *)sql_cf_gen, + "( OLcfgDbAt:6.39 NAME 'olcSqlUseSubtreeShortcut' " + "DESC 'Collect all entries when searchBase is DB suffix' " + "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, + { "fetch_all_attrs", "yes|no", 2, 2, 0, + ARG_ON_OFF|ARG_MAGIC|BSQL_FETCH_ALL_ATTRS, (void *)sql_cf_gen, + "( OLcfgDbAt:6.40 NAME 'olcSqlFetchAllAttrs' " + "DESC 'Require all attributes to always be loaded' " + "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, + { "fetch_attrs", "attrlist", 2, 0, 0, + ARG_MAGIC|BSQL_FETCH_ATTRS, (void *)sql_cf_gen, + "( OLcfgDbAt:6.41 NAME 'olcSqlFetchAttrs' " + "DESC 'Set of attributes to always fetch' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "check_schema", "yes|no", 2, 2, 0, + ARG_ON_OFF|ARG_MAGIC|BSQL_CHECK_SCHEMA, (void *)sql_cf_gen, + "( OLcfgDbAt:6.42 NAME 'olcSqlCheckSchema' " + "DESC 'Check schema after modifications' " + "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, + { "aliasing_keyword", "string", 2, 2, 0, + ARG_STRING|ARG_MAGIC|BSQL_ALIASING_KEYWORD, (void *)sql_cf_gen, + "( OLcfgDbAt:6.43 NAME 'olcSqlAliasingKeyword' " + "DESC 'The aliasing keyword' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "aliasing_quote", "string", 2, 2, 0, ARG_BERVAL|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_aliasing_quote), + "( OLcfgDbAt:6.44 NAME 'olcSqlAliasingQuote' " + "DESC 'Quoting char of the aliasing keyword' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { "autocommit", "yes|no", 2, 2, 0, + ARG_ON_OFF|ARG_MAGIC|BSQL_AUTOCOMMIT, (void *)sql_cf_gen, + "( OLcfgDbAt:6.45 NAME 'olcSqlAutocommit' " + "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, + { "id_query", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET, + (void *)offsetof(struct backsql_info, sql_id_query), + "( OLcfgDbAt:6.46 NAME 'olcSqlIdQuery' " + "DESC 'Query used to collect entryID mapping data' " + "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL }, + { NULL, NULL, 0, 0, 0, ARG_IGNORED, + NULL, NULL, NULL, NULL } +}; + +static ConfigOCs sqlocs[] = { + { + "( OLcfgDbOc:6.1 " + "NAME 'olcSqlConfig' " + "DESC 'SQL backend configuration' " + "SUP olcDatabaseConfig " + "MUST olcDbName " + "MAY ( olcDbHost $ olcDbUser $ olcDbPass $ olcSqlConcatPattern $ " + "olcSqlSubtreeCond $ olcsqlChildrenCond $ olcSqlDnMatchCond $ " + "olcSqlOcQuery $ olcSqlAtQuery $ olcSqlInsEntryStmt $ " + "olcSqlCreateNeedsSelect $ olcSqlUpperFunc $ olcSqlUpperNeedsCast $ " + "olcSqlStrCastFunc $ olcSqlDelEntryStmt $ olcSqlRenEntryStmt $ " + "olcSqlDelObjClassesStmt $ olcSqlHasLDAPInfoDnRu $ " + "olcSqlFailIfNoMapping $ olcSqlAllowOrphans $ olcSqlBaseObject $ " + "olcSqlLayer $ olcSqlUseSubtreeShortcut $ olcSqlFetchAllAttrs $ " + "olcSqlFetchAttrs $ olcSqlCheckSchema $ olcSqlAliasingKeyword $ " + "olcSqlAliasingQuote $ olcSqlAutocommit $ olcSqlIdQuery ) )", + Cft_Database, sqlcfg }, + { NULL, Cft_Abstract, NULL } +}; + +static int +sql_cf_gen( ConfigArgs *c ) +{ + backsql_info *bi = (backsql_info *)c->be->be_private; + int rc = 0; + + if ( c->op == SLAP_CONFIG_EMIT ) { + switch( c->type ) { + case BSQL_CONCAT_PATT: + if ( bi->sql_concat_patt ) { + c->value_string = ch_strdup( bi->sql_concat_patt ); + } else { + rc = 1; + } + break; + case BSQL_CREATE_NEEDS_SEL: + if ( bi->sql_flags & BSQLF_CREATE_NEEDS_SELECT ) + c->value_int = 1; + break; + case BSQL_UPPER_NEEDS_CAST: + if ( bi->sql_flags & BSQLF_UPPER_NEEDS_CAST ) + c->value_int = 1; + break; + case BSQL_HAS_LDAPINFO_DN_RU: + if ( !(bi->sql_flags & BSQLF_DONTCHECK_LDAPINFO_DN_RU) ) + return 1; + if ( bi->sql_flags & BSQLF_HAS_LDAPINFO_DN_RU ) + c->value_int = 1; + break; + case BSQL_FAIL_IF_NO_MAPPING: + if ( bi->sql_flags & BSQLF_FAIL_IF_NO_MAPPING ) + c->value_int = 1; + break; + case BSQL_ALLOW_ORPHANS: + if ( bi->sql_flags & BSQLF_ALLOW_ORPHANS ) + c->value_int = 1; + break; + case BSQL_SUBTREE_SHORTCUT: + if ( bi->sql_flags & BSQLF_USE_SUBTREE_SHORTCUT ) + c->value_int = 1; + break; + case BSQL_FETCH_ALL_ATTRS: + if ( bi->sql_flags & BSQLF_FETCH_ALL_ATTRS ) + c->value_int = 1; + break; + case BSQL_CHECK_SCHEMA: + if ( bi->sql_flags & BSQLF_CHECK_SCHEMA ) + c->value_int = 1; + break; + case BSQL_AUTOCOMMIT: + if ( bi->sql_flags & BSQLF_AUTOCOMMIT_ON ) + c->value_int = 1; + break; + case BSQL_BASE_OBJECT: + if ( bi->sql_base_ob_file ) { + c->value_string = ch_strdup( bi->sql_base_ob_file ); + } else if ( bi->sql_baseObject ) { + c->value_string = ch_strdup( "TRUE" ); + } else { + rc = 1; + } + break; + case BSQL_LAYER: + if ( bi->sql_api ) { + backsql_api *ba; + struct berval bv; + char *ptr; + int i; + for ( ba = bi->sql_api; ba; ba = ba->ba_next ) { + bv.bv_len = strlen( ba->ba_name ); + if ( ba->ba_argc ) { + for ( i = 0; i<ba->ba_argc; i++ ) + bv.bv_len += strlen( ba->ba_argv[i] ) + 3; + } + bv.bv_val = ch_malloc( bv.bv_len + 1 ); + ptr = lutil_strcopy( bv.bv_val, ba->ba_name ); + if ( ba->ba_argc ) { + for ( i = 0; i<ba->ba_argc; i++ ) { + *ptr++ = ' '; + *ptr++ = '"'; + ptr = lutil_strcopy( ptr, ba->ba_argv[i] ); + *ptr++ = '"'; + } + } + ber_bvarray_add( &c->rvalue_vals, &bv ); + } + } else { + rc = 1; + } + break; + case BSQL_ALIASING_KEYWORD: + if ( !BER_BVISNULL( &bi->sql_aliasing )) { + struct berval bv; + bv = bi->sql_aliasing; + bv.bv_len--; + value_add_one( &c->rvalue_vals, &bv ); + } else { + rc = 1; + } + break; + case BSQL_FETCH_ATTRS: + if ( bi->sql_anlist || + ( bi->sql_flags & (BSQLF_FETCH_ALL_USERATTRS| + BSQLF_FETCH_ALL_OPATTRS))) + { + char buf[BUFSIZ*2], *ptr; + struct berval bv; +# define WHATSLEFT ((ber_len_t) (&buf[sizeof( buf )] - ptr)) + ptr = buf; + if ( bi->sql_anlist ) { + ptr = anlist_unparse( bi->sql_anlist, ptr, WHATSLEFT ); + if ( ptr == NULL ) + return 1; + } + if ( bi->sql_flags & BSQLF_FETCH_ALL_USERATTRS ) { + if ( WHATSLEFT <= STRLENOF( ",*" )) return 1; + if ( ptr != buf ) *ptr++ = ','; + *ptr++ = '*'; + } + if ( bi->sql_flags & BSQLF_FETCH_ALL_OPATTRS ) { + if ( WHATSLEFT <= STRLENOF( ",+" )) return 1; + if ( ptr != buf ) *ptr++ = ','; + *ptr++ = '+'; + } + bv.bv_val = buf; + bv.bv_len = ptr - buf; + value_add_one( &c->rvalue_vals, &bv ); + } + break; + } + return rc; + } else if ( c->op == LDAP_MOD_DELETE ) { /* FIXME */ + return -1; + } + + switch( c->type ) { + case BSQL_CONCAT_PATT: + if ( backsql_split_pattern( c->argv[ 1 ], &bi->sql_concat_func, 2 ) ) { + snprintf( c->cr_msg, sizeof( c->cr_msg ), + "%s: unable to parse pattern \"%s\"", + c->log, c->argv[ 1 ] ); + Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 ); + return -1; + } + bi->sql_concat_patt = c->value_string; + break; + case BSQL_CREATE_NEEDS_SEL: + if ( c->value_int ) + bi->sql_flags |= BSQLF_CREATE_NEEDS_SELECT; + else + bi->sql_flags &= ~BSQLF_CREATE_NEEDS_SELECT; + break; + case BSQL_UPPER_NEEDS_CAST: + if ( c->value_int ) + bi->sql_flags |= BSQLF_UPPER_NEEDS_CAST; + else + bi->sql_flags &= ~BSQLF_UPPER_NEEDS_CAST; + break; + case BSQL_HAS_LDAPINFO_DN_RU: + bi->sql_flags |= BSQLF_DONTCHECK_LDAPINFO_DN_RU; + if ( c->value_int ) + bi->sql_flags |= BSQLF_HAS_LDAPINFO_DN_RU; + else + bi->sql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU; + break; + case BSQL_FAIL_IF_NO_MAPPING: + if ( c->value_int ) + bi->sql_flags |= BSQLF_FAIL_IF_NO_MAPPING; + else + bi->sql_flags &= ~BSQLF_FAIL_IF_NO_MAPPING; + break; + case BSQL_ALLOW_ORPHANS: + if ( c->value_int ) + bi->sql_flags |= BSQLF_ALLOW_ORPHANS; + else + bi->sql_flags &= ~BSQLF_ALLOW_ORPHANS; + break; + case BSQL_SUBTREE_SHORTCUT: + if ( c->value_int ) + bi->sql_flags |= BSQLF_USE_SUBTREE_SHORTCUT; + else + bi->sql_flags &= ~BSQLF_USE_SUBTREE_SHORTCUT; + break; + case BSQL_FETCH_ALL_ATTRS: + if ( c->value_int ) + bi->sql_flags |= BSQLF_FETCH_ALL_ATTRS; + else + bi->sql_flags &= ~BSQLF_FETCH_ALL_ATTRS; + break; + case BSQL_CHECK_SCHEMA: + if ( c->value_int ) + bi->sql_flags |= BSQLF_CHECK_SCHEMA; + else + bi->sql_flags &= ~BSQLF_CHECK_SCHEMA; + break; + case BSQL_AUTOCOMMIT: + if ( c->value_int ) + bi->sql_flags |= BSQLF_AUTOCOMMIT_ON; + else + bi->sql_flags &= ~BSQLF_AUTOCOMMIT_ON; + break; + case BSQL_BASE_OBJECT: + if ( c->be->be_nsuffix == NULL ) { + snprintf( c->cr_msg, sizeof( c->cr_msg ), + "%s: suffix must be set", c->log ); + Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 ); + rc = ARG_BAD_CONF; + break; + } + if ( bi->sql_baseObject ) { + Debug( LDAP_DEBUG_CONFIG, + "%s: " + "\"baseObject\" already provided (will be overwritten)\n", + c->log, 0, 0 ); + entry_free( bi->sql_baseObject ); + } + if ( c->argc == 2 && !strcmp( c->argv[1], "TRUE" )) + c->argc = 1; + switch( c->argc ) { + case 1: + return create_baseObject( c->be, c->fname, c->lineno ); + + case 2: + rc = read_baseObject( c->be, c->argv[ 1 ] ); + if ( rc == 0 ) { + ch_free( bi->sql_base_ob_file ); + bi->sql_base_ob_file = c->value_string; + } + return rc; + + default: + snprintf( c->cr_msg, sizeof( c->cr_msg ), + "%s: trailing values in directive", c->log ); + Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 ); + return 1; + } + break; + case BSQL_LAYER: + if ( backsql_api_config( bi, c->argv[ 1 ], c->argc - 2, &c->argv[ 2 ] ) ) + { + snprintf( c->cr_msg, sizeof( c->cr_msg ), + "%s: unable to load sql layer", c->log ); + Debug( LDAP_DEBUG_ANY, "%s \"%s\"\n", + c->cr_msg, c->argv[1], 0 ); + return 1; + } + break; + case BSQL_ALIASING_KEYWORD: + if ( ! BER_BVISNULL( &bi->sql_aliasing ) ) { + ch_free( bi->sql_aliasing.bv_val ); + } + + ber_str2bv( c->argv[ 1 ], strlen( c->argv[ 1 ] ) + 1, 1, + &bi->sql_aliasing ); + /* add a trailing space... */ + bi->sql_aliasing.bv_val[ bi->sql_aliasing.bv_len - 1] = ' '; + break; + case BSQL_FETCH_ATTRS: { + char *str, *s, *next; + const char *delimstr = ","; + + str = ch_strdup( c->argv[ 1 ] ); + for ( s = ldap_pvt_strtok( str, delimstr, &next ); + s != NULL; + s = ldap_pvt_strtok( NULL, delimstr, &next ) ) + { + if ( strlen( s ) == 1 ) { + if ( *s == '*' ) { + bi->sql_flags |= BSQLF_FETCH_ALL_USERATTRS; + c->argv[ 1 ][ s - str ] = ','; + + } else if ( *s == '+' ) { + bi->sql_flags |= BSQLF_FETCH_ALL_OPATTRS; + c->argv[ 1 ][ s - str ] = ','; + } + } + } + ch_free( str ); + bi->sql_anlist = str2anlist( bi->sql_anlist, c->argv[ 1 ], delimstr ); + if ( bi->sql_anlist == NULL ) { + return -1; + } + } + break; + } + return rc; +} + +/* + * Read the entries specified in fname and merge the attributes + * to the user defined baseObject entry. Note that if we find any errors + * what so ever, we will discard the entire entries, print an + * error message and return. + */ +static int +read_baseObject( + BackendDB *be, + const char *fname ) +{ + backsql_info *bi = (backsql_info *)be->be_private; + LDIFFP *fp; + int rc = 0, lmax = 0, ldifrc; + unsigned long lineno = 0; + char *buf = NULL; + + assert( fname != NULL ); + + fp = ldif_open( fname, "r" ); + if ( fp == NULL ) { + Debug( LDAP_DEBUG_ANY, + "could not open back-sql baseObject " + "attr file \"%s\" - absolute path?\n", + fname, 0, 0 ); + perror( fname ); + return LDAP_OTHER; + } + + bi->sql_baseObject = entry_alloc(); + if ( bi->sql_baseObject == NULL ) { + Debug( LDAP_DEBUG_ANY, + "read_baseObject_file: entry_alloc failed", 0, 0, 0 ); + ldif_close( fp ); + return LDAP_NO_MEMORY; + } + bi->sql_baseObject->e_name = be->be_suffix[0]; + bi->sql_baseObject->e_nname = be->be_nsuffix[0]; + bi->sql_baseObject->e_attrs = NULL; + + while (( ldifrc = ldif_read_record( fp, &lineno, &buf, &lmax )) > 0 ) { + Entry *e = str2entry( buf ); + Attribute *a; + + if( e == NULL ) { + fprintf( stderr, "back-sql baseObject: " + "could not parse entry (line=%lu)\n", + lineno ); + rc = LDAP_OTHER; + break; + } + + /* make sure the DN is the database's suffix */ + if ( !be_issuffix( be, &e->e_nname ) ) { + fprintf( stderr, + "back-sql: invalid baseObject - " + "dn=\"%s\" (line=%lu)\n", + e->e_name.bv_val, lineno ); + entry_free( e ); + rc = LDAP_OTHER; + break; + } + + /* + * we found a valid entry, so walk thru all the attributes in the + * entry, and add each attribute type and description to baseObject + */ + for ( a = e->e_attrs; a != NULL; a = a->a_next ) { + if ( attr_merge( bi->sql_baseObject, a->a_desc, + a->a_vals, + ( a->a_nvals == a->a_vals ) ? + NULL : a->a_nvals ) ) + { + rc = LDAP_OTHER; + break; + } + } + + entry_free( e ); + if ( rc ) { + break; + } + } + + if ( ldifrc < 0 ) + rc = LDAP_OTHER; + + if ( rc ) { + entry_free( bi->sql_baseObject ); + bi->sql_baseObject = NULL; + } + + ch_free( buf ); + + ldif_close( fp ); + + Debug( LDAP_DEBUG_CONFIG, "back-sql baseObject file \"%s\" read.\n", + fname, 0, 0 ); + + return rc; +} + +static int +create_baseObject( + BackendDB *be, + const char *fname, + int lineno ) +{ + backsql_info *bi = (backsql_info *)be->be_private; + LDAPRDN rdn; + char *p; + int rc, iAVA; + char buf[1024]; + + snprintf( buf, sizeof(buf), + "dn: %s\n" + "objectClass: extensibleObject\n" + "description: builtin baseObject for back-sql\n" + "description: all entries mapped " + "in table \"ldap_entries\" " + "must have " + "\"" BACKSQL_BASEOBJECT_IDSTR "\" " + "in the \"parent\" column", + be->be_suffix[0].bv_val ); + + bi->sql_baseObject = str2entry( buf ); + if ( bi->sql_baseObject == NULL ) { + Debug( LDAP_DEBUG_TRACE, + "<==backsql_db_config (%s line %d): " + "unable to parse baseObject entry\n", + fname, lineno, 0 ); + return 1; + } + + if ( BER_BVISEMPTY( &be->be_suffix[ 0 ] ) ) { + return 0; + } + + rc = ldap_bv2rdn( &be->be_suffix[ 0 ], &rdn, (char **)&p, + LDAP_DN_FORMAT_LDAP ); + if ( rc != LDAP_SUCCESS ) { + snprintf( buf, sizeof(buf), + "unable to extract RDN " + "from baseObject DN \"%s\" (%d: %s)", + be->be_suffix[ 0 ].bv_val, + rc, ldap_err2string( rc ) ); + Debug( LDAP_DEBUG_TRACE, + "<==backsql_db_config (%s line %d): %s\n", + fname, lineno, buf ); + return 1; + } + + for ( iAVA = 0; rdn[ iAVA ]; iAVA++ ) { + LDAPAVA *ava = rdn[ iAVA ]; + AttributeDescription *ad = NULL; + slap_syntax_transform_func *transf = NULL; + struct berval bv = BER_BVNULL; + const char *text = NULL; + + assert( ava != NULL ); + + rc = slap_bv2ad( &ava->la_attr, &ad, &text ); + if ( rc != LDAP_SUCCESS ) { + snprintf( buf, sizeof(buf), + "AttributeDescription of naming " + "attribute #%d from baseObject " + "DN \"%s\": %d: %s", + iAVA, be->be_suffix[ 0 ].bv_val, + rc, ldap_err2string( rc ) ); + Debug( LDAP_DEBUG_TRACE, + "<==backsql_db_config (%s line %d): %s\n", + fname, lineno, buf ); + return 1; + } + + transf = ad->ad_type->sat_syntax->ssyn_pretty; + if ( transf ) { + /* + * transform value by pretty function + * if value is empty, use empty_bv + */ + rc = ( *transf )( ad->ad_type->sat_syntax, + ava->la_value.bv_len + ? &ava->la_value + : (struct berval *) &slap_empty_bv, + &bv, NULL ); + + if ( rc != LDAP_SUCCESS ) { + snprintf( buf, sizeof(buf), + "prettying of attribute #%d " + "from baseObject " + "DN \"%s\" failed: %d: %s", + iAVA, be->be_suffix[ 0 ].bv_val, + rc, ldap_err2string( rc ) ); + Debug( LDAP_DEBUG_TRACE, + "<==backsql_db_config (%s line %d): " + "%s\n", + fname, lineno, buf ); + return 1; + } + } + + if ( !BER_BVISNULL( &bv ) ) { + if ( ava->la_flags & LDAP_AVA_FREE_VALUE ) { + ber_memfree( ava->la_value.bv_val ); + } + ava->la_value = bv; + ava->la_flags |= LDAP_AVA_FREE_VALUE; + } + + attr_merge_normalize_one( bi->sql_baseObject, + ad, &ava->la_value, NULL ); + } + + ldap_rdnfree( rdn ); + + return 0; +} + +int backsql_init_cf( BackendInfo *bi ) +{ + int rc; + + bi->bi_cf_ocs = sqlocs; + rc = config_register_schema( sqlcfg, sqlocs ); + if ( rc ) return rc; + return 0; +} |