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openldap/servers/slapd/back-sql/config.c

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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2004 The OpenLDAP Foundation.
* Portions Copyright 1999 Dmitry Kovalev.
* 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.
*/
#include "portable.h"
#ifdef SLAPD_SQL
#include <stdio.h>
#include "ac/string.h"
#include <sys/types.h>
#include "slap.h"
#include "ldif.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 );
int
backsql_db_config(
BackendDB *be,
const char *fname,
int lineno,
int argc,
char **argv )
{
backsql_info *bi = (backsql_info *)be->be_private;
Debug( LDAP_DEBUG_TRACE, "==>backsql_db_config()\n", 0, 0, 0 );
assert( bi );
if ( !strcasecmp( argv[ 0 ], "dbhost" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing hostname in \"dbhost\" directive\n",
fname, lineno, 0 );
return 1;
}
bi->sql_dbhost = ch_strdup( argv[ 1 ] );
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config(): hostname=%s\n",
bi->sql_dbhost, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "dbuser" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing username in \"dbuser\" directive\n",
fname, lineno, 0 );
return 1;
}
bi->sql_dbuser = ch_strdup( argv[ 1 ] );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): dbuser=%s\n",
bi->sql_dbuser, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "dbpasswd" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing password in \"dbpasswd\" directive\n",
fname, lineno, 0 );
return 1;
}
bi->sql_dbpasswd = ch_strdup( argv[ 1 ] );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"dbpasswd=%s\n", /* bi->sql_dbpasswd */ "xxxx", 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "dbname" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing database name in \"dbname\" "
"directive\n", fname, lineno, 0 );
return 1;
}
bi->sql_dbname = ch_strdup( argv[ 1 ] );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): dbname=%s\n",
bi->sql_dbname, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "concat_pattern" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing pattern"
"in \"concat_pattern\" directive\n",
fname, lineno, 0 );
return 1;
}
if ( backsql_split_pattern( argv[ 1 ], &bi->sql_concat_func, 2 ) ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"unable to parse pattern \"%s\"\n"
"in \"concat_pattern\" directive\n",
fname, lineno, argv[ 1 ] );
return 1;
}
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"concat_pattern=\"%s\"\n", argv[ 1 ], 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "subtree_cond" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing SQL condition "
"in \"subtree_cond\" directive\n",
fname, lineno, 0 );
return 1;
}
ber_str2bv( argv[ 1 ], 0, 1, &bi->sql_subtree_cond );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"subtree_cond=%s\n", bi->sql_subtree_cond.bv_val, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "children_cond" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing SQL condition "
"in \"children_cond\" directive\n",
fname, lineno, 0 );
return 1;
}
ber_str2bv( argv[ 1 ], 0, 1, &bi->sql_children_cond );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"subtree_cond=%s\n", bi->sql_children_cond.bv_val, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "oc_query" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing SQL statement "
"in \"oc_query\" directive\n",
fname, lineno, 0 );
return 1;
}
bi->sql_oc_query = ch_strdup( argv[ 1 ] );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"oc_query=%s\n", bi->sql_oc_query, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "at_query" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing SQL statement "
"in \"at_query\" directive\n",
fname, lineno, 0 );
return 1;
}
bi->sql_at_query = ch_strdup( argv[ 1 ] );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"at_query=%s\n", bi->sql_at_query, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "insentry_query" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing SQL statement "
"in \"insentry_query\" directive\n",
fname, lineno, 0 );
return 1;
}
bi->sql_insentry_query = ch_strdup( argv[ 1 ] );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"insentry_query=%s\n", bi->sql_insentry_query, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "create_needs_select" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing { yes | no }"
"in \"create_needs_select\" directive\n",
fname, lineno, 0 );
return 1;
}
if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
bi->sql_flags |= BSQLF_CREATE_NEEDS_SELECT;
} else if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
bi->sql_flags &= ~BSQLF_CREATE_NEEDS_SELECT;
} else {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"\"create_needs_select\" directive arg "
"must be \"yes\" or \"no\"\n",
fname, lineno, 0 );
return 1;
}
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"create_needs_select =%s\n",
BACKSQL_CREATE_NEEDS_SELECT( bi ) ? "yes" : "no",
0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "upper_func" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing function name "
"in \"upper_func\" directive\n",
fname, lineno, 0 );
return 1;
}
ber_str2bv( argv[ 1 ], 0, 1, &bi->sql_upper_func );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"upper_func=%s\n", bi->sql_upper_func.bv_val, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "upper_needs_cast" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing { yes | no }"
"in \"upper_needs_cast\" directive\n",
fname, lineno, 0 );
return 1;
}
if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
bi->sql_flags |= BSQLF_UPPER_NEEDS_CAST;
} else if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
bi->sql_flags &= ~BSQLF_UPPER_NEEDS_CAST;
} else {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"\"upper_needs_cast\" directive arg "
"must be \"yes\" or \"no\"\n",
fname, lineno, 0 );
return 1;
}
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"upper_needs_cast =%s\n",
BACKSQL_UPPER_NEEDS_CAST( bi ) ? "yes" : "no", 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "strcast_func" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing function name "
"in \"strcast_func\" directive\n",
fname, lineno, 0 );
return 1;
}
ber_str2bv( argv[ 1 ], 0, 1, &bi->sql_strcast_func );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"strcast_func=%s\n", bi->sql_strcast_func.bv_val, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "delentry_query" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing SQL statement "
"in \"delentry_query\" directive\n",
fname, lineno, 0 );
return 1;
}
bi->sql_delentry_query = ch_strdup( argv[ 1 ] );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"delentry_query=%s\n", bi->sql_delentry_query, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "delobjclasses_query" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing SQL statement "
"in \"delobjclasses_query\" directive\n",
fname, lineno, 0 );
return 1;
}
bi->sql_delobjclasses_query = ch_strdup( argv[ 1 ] );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"delobjclasses_query=%s\n", bi->sql_delobjclasses_query, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "delreferrals_query" ) ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing SQL statement "
"in \"delreferrals_query\" directive\n",
fname, lineno, 0 );
return 1;
}
bi->sql_delreferrals_query = ch_strdup( argv[ 1 ] );
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"delreferrals_query=%s\n", bi->sql_delreferrals_query, 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "has_ldapinfo_dn_ru") ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing { yes | no }"
"in \"has_ldapinfo_dn_ru\" directive\n",
fname, lineno, 0 );
return 1;
}
if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
bi->sql_flags |= BSQLF_HAS_LDAPINFO_DN_RU;
bi->sql_flags |= BSQLF_DONTCHECK_LDAPINFO_DN_RU;
} else if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
bi->sql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU;
bi->sql_flags |= BSQLF_DONTCHECK_LDAPINFO_DN_RU;
} else {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"\"has_ldapinfo_dn_ru\" directive arg "
"must be \"yes\" or \"no\"\n",
fname, lineno, 0 );
return 1;
}
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"has_ldapinfo_dn_ru=%s\n",
BACKSQL_HAS_LDAPINFO_DN_RU( bi ) ? "yes" : "no", 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "fail_if_no_mapping") ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing { yes | no }"
"in \"fail_if_no_mapping\" directive\n",
fname, lineno, 0 );
return 1;
}
if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
bi->sql_flags |= BSQLF_FAIL_IF_NO_MAPPING;
} else if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
bi->sql_flags &= ~BSQLF_FAIL_IF_NO_MAPPING;
} else {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"\"fail_if_no_mapping\" directive arg "
"must be \"yes\" or \"no\"\n",
fname, lineno, 0 );
return 1;
}
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"fail_if_no_mapping=%s\n",
BACKSQL_FAIL_IF_NO_MAPPING( bi ) ? "yes" : "no", 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "allow_orphans") ) {
if ( argc < 2 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"missing { yes | no }"
"in \"allow_orphans\" directive\n",
fname, lineno, 0 );
return 1;
}
if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
bi->sql_flags |= BSQLF_ALLOW_ORPHANS;
} else if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
bi->sql_flags &= ~BSQLF_ALLOW_ORPHANS;
} else {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"\"allow_orphans\" directive arg "
"must be \"yes\" or \"no\"\n",
fname, lineno, 0 );
return 1;
}
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_config(): "
"allow_orphans=%s\n",
BACKSQL_ALLOW_ORPHANS( bi ) ? "yes" : "no", 0, 0 );
} else if ( !strcasecmp( argv[ 0 ], "baseobject" ) ) {
if ( be->be_suffix == NULL ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): : "
"must be defined after \"suffix\"\n",
fname, lineno, 0 );
return 1;
}
if ( bi->sql_baseObject ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): : "
"\"baseObject\" already provided (will be overwritten)\n",
fname, lineno, 0 );
entry_free( bi->sql_baseObject );
}
switch ( argc ) {
case 1:
return create_baseObject( be, fname, lineno );
case 2:
return read_baseObject( be, argv[ 1 ] );
default:
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"trailing values "
"in \"baseObject\" directive?\n",
fname, lineno, 0 );
return 1;
}
} else if ( !strcasecmp( argv[ 0 ], "sqllayer") ) {
if ( backsql_api_config( bi, argv[ 1 ] ) ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_db_config (%s line %d): "
"unable to load sqllayer \"%s\"\n",
fname, lineno, argv[ 1 ] );
return 1;
}
} else {
return SLAP_CONF_UNKNOWN;
}
return 0;
}
/*
* 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;
FILE *fp;
int rc = 0, lineno = 0, lmax = 0;
char *buf = NULL;
assert( fname );
fp = fopen( 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 *) SLAP_CALLOC( 1, sizeof(Entry) );
if ( bi->sql_baseObject == NULL ) {
Debug( LDAP_DEBUG_ANY,
"read_baseObject_file: SLAP_CALLOC failed", 0, 0, 0 );
fclose( 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 ( ldif_read_record( fp, &lineno, &buf, &lmax ) ) {
Entry *e = str2entry( buf );
Attribute *a;
if( e == NULL ) {
fprintf( stderr, "back-sql baseObject: could not parse entry (line=%d)\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=%d)\n",
e->e_dn, lineno );
entry_free( e );
rc = EXIT_FAILURE;
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 ( rc ) {
entry_free( bi->sql_baseObject );
bi->sql_baseObject = NULL;
}
ch_free( buf );
fclose( 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 the \"ldap_entries\" table\n"
"description: 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 );
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;
}
#endif /* SLAPD_SQL */
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