mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
348 lines
7.6 KiB
C
348 lines
7.6 KiB
C
/* search.c - /etc/passwd backend search function */
|
|
/* $OpenLDAP$ */
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/ctype.h>
|
|
#include <ac/socket.h>
|
|
#include <ac/string.h>
|
|
#include <ac/time.h>
|
|
|
|
#include <pwd.h>
|
|
|
|
#include "slap.h"
|
|
#include "external.h"
|
|
#include <ldap_pvt.h>
|
|
|
|
static Entry *pw2entry(
|
|
Backend *be,
|
|
struct passwd *pw,
|
|
char *rdn);
|
|
|
|
int
|
|
passwd_back_search(
|
|
Backend *be,
|
|
Connection *conn,
|
|
Operation *op,
|
|
const char *base,
|
|
const char *nbase,
|
|
int scope,
|
|
int deref,
|
|
int slimit,
|
|
int tlimit,
|
|
Filter *filter,
|
|
const char *filterstr,
|
|
char **attrs,
|
|
int attrsonly
|
|
)
|
|
{
|
|
struct passwd *pw;
|
|
Entry *e;
|
|
char *s;
|
|
time_t stoptime;
|
|
|
|
int sent = 0;
|
|
int err = LDAP_SUCCESS;
|
|
|
|
char *rdn = NULL;
|
|
char *parent = NULL;
|
|
char *matched = NULL;
|
|
char *user = NULL;
|
|
|
|
AttributeDescription *ad_objectClass = slap_schema.si_ad_objectClass;
|
|
|
|
tlimit = (tlimit > be->be_timelimit || tlimit < 1) ? be->be_timelimit
|
|
: tlimit;
|
|
stoptime = op->o_time + tlimit;
|
|
slimit = (slimit > be->be_sizelimit || slimit < 1) ? be->be_sizelimit
|
|
: slimit;
|
|
|
|
endpwent();
|
|
|
|
#ifdef HAVE_SETPWFILE
|
|
if ( be->be_private != NULL ) {
|
|
(void) setpwfile( (char *) be->be_private );
|
|
}
|
|
#endif /* HAVE_SETPWFILE */
|
|
|
|
/* Handle a query for the base of this backend */
|
|
if ( be_issuffix( be, nbase ) ) {
|
|
struct berval val, *vals[2];
|
|
|
|
vals[0] = &val;
|
|
vals[1] = NULL;
|
|
|
|
matched = ch_strdup( base );
|
|
|
|
if( scope != LDAP_SCOPE_ONELEVEL ) {
|
|
char *type;
|
|
AttributeDescription *desc = NULL;
|
|
|
|
/* Create an entry corresponding to the base DN */
|
|
e = (Entry *) ch_calloc(1, sizeof(Entry));
|
|
e->e_attrs = NULL;
|
|
e->e_dn = ch_strdup( base );
|
|
|
|
/* Use the first attribute of the DN
|
|
* as an attribute within the entry itself.
|
|
*/
|
|
rdn = dn_rdn(NULL, base);
|
|
|
|
if( rdn == NULL || (s = strchr(rdn, '=')) == NULL ) {
|
|
err = LDAP_INVALID_DN_SYNTAX;
|
|
free(rdn);
|
|
goto done;
|
|
}
|
|
|
|
val.bv_val = rdn_attr_value(rdn);
|
|
val.bv_len = strlen( val.bv_val );
|
|
|
|
type = rdn_attr_type(rdn);
|
|
|
|
{
|
|
int rc;
|
|
const char *text;
|
|
rc = slap_str2ad( type, &desc, &text );
|
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
err = LDAP_NO_SUCH_OBJECT;
|
|
free(rdn);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
attr_merge( e, desc, vals );
|
|
|
|
ad_free( desc, 1 );
|
|
|
|
free(rdn);
|
|
rdn = NULL;
|
|
|
|
/* Every entry needs an objectclass. We don't really
|
|
* know if our hardcoded choice here agrees with the
|
|
* DN that was configured for this backend, but it's
|
|
* better than nothing.
|
|
*
|
|
* should be a configuratable item
|
|
*/
|
|
val.bv_val = "organizationalUnit";
|
|
val.bv_len = sizeof("organizationalUnit")-1;
|
|
attr_merge( e, ad_objectClass, vals );
|
|
|
|
if ( test_filter( be, conn, op, e, filter ) == LDAP_COMPARE_TRUE ) {
|
|
send_search_entry( be, conn, op,
|
|
e, attrs, attrsonly, NULL );
|
|
sent++;
|
|
}
|
|
}
|
|
|
|
if ( scope != LDAP_SCOPE_BASE ) {
|
|
/* check all our "children" */
|
|
|
|
for ( pw = getpwent(); pw != NULL; pw = getpwent() ) {
|
|
/* check for abandon */
|
|
ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
|
|
if ( op->o_abandon ) {
|
|
ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
|
|
endpwent();
|
|
return( -1 );
|
|
}
|
|
ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
|
|
|
|
/* check time limit */
|
|
if ( slap_get_time() > stoptime ) {
|
|
send_ldap_result( conn, op, LDAP_TIMELIMIT_EXCEEDED,
|
|
NULL, NULL, NULL, NULL );
|
|
endpwent();
|
|
return( 0 );
|
|
}
|
|
|
|
e = pw2entry( be, pw, NULL );
|
|
|
|
if ( test_filter( be, conn, op, e, filter ) == LDAP_COMPARE_TRUE ) {
|
|
/* check size limit */
|
|
if ( --slimit == -1 ) {
|
|
send_ldap_result( conn, op, LDAP_SIZELIMIT_EXCEEDED,
|
|
NULL, NULL, NULL, NULL );
|
|
endpwent();
|
|
return( 0 );
|
|
}
|
|
|
|
send_search_entry( be, conn, op,
|
|
e, attrs, attrsonly, NULL );
|
|
sent++;
|
|
}
|
|
|
|
entry_free( e );
|
|
}
|
|
endpwent();
|
|
}
|
|
|
|
} else {
|
|
parent = dn_parent( be, nbase );
|
|
|
|
/* This backend is only one layer deep. Don't answer requests for
|
|
* anything deeper than that.
|
|
*/
|
|
if( !be_issuffix( be, parent ) ) {
|
|
int i;
|
|
for( i=0; be->be_nsuffix[i] != NULL; i++ ) {
|
|
if( dn_issuffix( nbase, be->be_nsuffix[i] ) ) {
|
|
matched = ch_strdup( be->be_suffix[i] );
|
|
break;
|
|
}
|
|
}
|
|
err = LDAP_NO_SUCH_OBJECT;
|
|
goto done;
|
|
}
|
|
|
|
if( scope == LDAP_SCOPE_ONELEVEL ) {
|
|
goto done;
|
|
}
|
|
|
|
rdn = dn_rdn( NULL, base );
|
|
|
|
if ( (user = rdn_attr_value(rdn)) == NULL) {
|
|
err = LDAP_OPERATIONS_ERROR;
|
|
goto done;
|
|
}
|
|
|
|
if ( (pw = getpwnam( user )) == NULL ) {
|
|
matched = parent;
|
|
parent = NULL;
|
|
err = LDAP_NO_SUCH_OBJECT;
|
|
goto done;
|
|
}
|
|
|
|
e = pw2entry( be, pw, rdn );
|
|
|
|
if ( test_filter( be, conn, op, e, filter ) == LDAP_COMPARE_TRUE ) {
|
|
send_search_entry( be, conn, op,
|
|
e, attrs, attrsonly, NULL );
|
|
sent++;
|
|
}
|
|
|
|
entry_free( e );
|
|
}
|
|
|
|
done:
|
|
send_ldap_result( conn, op,
|
|
err, err == LDAP_NO_SUCH_OBJECT ? matched : NULL, NULL,
|
|
NULL, NULL );
|
|
|
|
if( matched != NULL ) free( matched );
|
|
if( parent != NULL ) free( parent );
|
|
if( rdn != NULL ) free( rdn );
|
|
if( user != NULL ) free( user );
|
|
|
|
return( 0 );
|
|
}
|
|
|
|
static Entry *
|
|
pw2entry( Backend *be, struct passwd *pw, char *rdn )
|
|
{
|
|
Entry *e;
|
|
char buf[256];
|
|
struct berval val;
|
|
struct berval *vals[2];
|
|
|
|
int rc;
|
|
const char *text;
|
|
|
|
AttributeDescription *ad_objectClass = NULL;
|
|
AttributeDescription *ad_cn = NULL;
|
|
AttributeDescription *ad_sn = NULL;
|
|
AttributeDescription *ad_uid = NULL;
|
|
AttributeDescription *ad_description = NULL;
|
|
|
|
rc = slap_str2ad( "objectClass", &ad_objectClass, &text );
|
|
|
|
if(rc != LDAP_SUCCESS) return NULL;
|
|
rc = slap_str2ad( "cn", &ad_cn, &text );
|
|
if(rc != LDAP_SUCCESS) return NULL;
|
|
rc = slap_str2ad( "sn", &ad_sn, &text );
|
|
if(rc != LDAP_SUCCESS) return NULL;
|
|
rc = slap_str2ad( "uid", &ad_uid, &text );
|
|
if(rc != LDAP_SUCCESS) return NULL;
|
|
rc = slap_str2ad( "description", &ad_description, &text );
|
|
if(rc != LDAP_SUCCESS) return NULL;
|
|
|
|
|
|
vals[0] = &val;
|
|
vals[1] = NULL;
|
|
|
|
/*
|
|
* from pw we get pw_name and make it cn
|
|
* give it an objectclass of person.
|
|
*/
|
|
|
|
e = (Entry *) ch_calloc( 1, sizeof(Entry) );
|
|
e->e_attrs = NULL;
|
|
|
|
/* objectclasses should be configuratable items */
|
|
val.bv_val = "top";
|
|
val.bv_len = sizeof("top")-1;
|
|
attr_merge( e, ad_objectClass, vals );
|
|
|
|
val.bv_val = "person";
|
|
val.bv_len = sizeof("person")-1;
|
|
attr_merge( e, ad_objectClass, vals );
|
|
|
|
val.bv_val = "uidObject";
|
|
val.bv_len = sizeof("uidObject")-1;
|
|
attr_merge( e, ad_objectClass, vals );
|
|
|
|
/* rdn attribute type should be a configuratable item */
|
|
sprintf( buf, "uid=%s,%s", pw->pw_name, be->be_suffix[0] );
|
|
e->e_dn = ch_strdup( buf );
|
|
e->e_ndn = ch_strdup( buf );
|
|
(void) dn_normalize( e->e_ndn );
|
|
|
|
val.bv_val = pw->pw_name;
|
|
val.bv_len = strlen( pw->pw_name );
|
|
attr_merge( e, ad_uid, vals ); /* required by uidObject */
|
|
attr_merge( e, ad_cn, vals ); /* required by person */
|
|
attr_merge( e, ad_sn, vals ); /* required by person */
|
|
|
|
#ifdef HAVE_PW_GECOS
|
|
/*
|
|
* if gecos is present, add it as a cn. first process it
|
|
* according to standard BSD usage. If the processed cn has
|
|
* a space, use the tail as the surname.
|
|
*/
|
|
if (pw->pw_gecos[0]) {
|
|
char *s;
|
|
|
|
val.bv_val = pw->pw_gecos;
|
|
val.bv_len = strlen(val.bv_val);
|
|
attr_merge(e, ad_description, vals);
|
|
|
|
s = strchr(val.bv_val, ',');
|
|
if (s)
|
|
*s = '\0';
|
|
s = strchr(val.bv_val, '&');
|
|
if (s) {
|
|
int i = s - val.bv_val;
|
|
strncpy(buf, val.bv_val, i);
|
|
s = buf+i;
|
|
strcpy(s, pw->pw_name);
|
|
*s = TOUPPER(*s);
|
|
strcat(s, val.bv_val+i+1);
|
|
val.bv_val = buf;
|
|
}
|
|
val.bv_len = strlen(val.bv_val);
|
|
if ( strcmp( val.bv_val, pw->pw_name ))
|
|
attr_merge( e, ad_cn, vals );
|
|
if ( (s=strrchr(val.bv_val, ' '))) {
|
|
val.bv_val = s + 1;
|
|
val.bv_len = strlen(val.bv_val);
|
|
attr_merge(e, ad_sn, vals);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return( e );
|
|
}
|