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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 11:11:40 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 11:11:40 +0000 |
commit | 7731832751ab9f3c6ddeb66f186d3d7fa1934a6d (patch) | |
tree | e91015872543a59be2aad26c2fea02e41b57005d /libraries/libldap/references.c | |
parent | Initial commit. (diff) | |
download | openldap-7731832751ab9f3c6ddeb66f186d3d7fa1934a6d.tar.xz openldap-7731832751ab9f3c6ddeb66f186d3d7fa1934a6d.zip |
Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libraries/libldap/references.c')
-rw-r--r-- | libraries/libldap/references.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/libraries/libldap/references.c b/libraries/libldap/references.c new file mode 100644 index 0000000..01e9c24 --- /dev/null +++ b/libraries/libldap/references.c @@ -0,0 +1,147 @@ +/* references.c */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1998-2021 The OpenLDAP Foundation. + * 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>. + */ + +#include "portable.h" + +#include <stdio.h> + +#include <ac/stdlib.h> + +#include <ac/socket.h> +#include <ac/string.h> +#include <ac/time.h> + +#include "ldap-int.h" + +LDAPMessage * +ldap_first_reference( LDAP *ld, LDAPMessage *chain ) +{ + assert( ld != NULL ); + assert( LDAP_VALID( ld ) ); + assert( chain != NULL ); + + return chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE + ? chain + : ldap_next_reference( ld, chain ); +} + +LDAPMessage * +ldap_next_reference( LDAP *ld, LDAPMessage *ref ) +{ + assert( ld != NULL ); + assert( LDAP_VALID( ld ) ); + assert( ref != NULL ); + + for ( + ref = ref->lm_chain; + ref != NULL; + ref = ref->lm_chain ) + { + if( ref->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) { + return( ref ); + } + } + + return( NULL ); +} + +int +ldap_count_references( LDAP *ld, LDAPMessage *chain ) +{ + int i; + + assert( ld != NULL ); + assert( LDAP_VALID( ld ) ); + + for ( i = 0; chain != NULL; chain = chain->lm_chain ) { + if( chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) { + i++; + } + } + + return( i ); +} + +int +ldap_parse_reference( + LDAP *ld, + LDAPMessage *ref, + char ***referralsp, + LDAPControl ***serverctrls, + int freeit) +{ + BerElement be; + char **refs = NULL; + int rc; + + assert( ld != NULL ); + assert( LDAP_VALID( ld ) ); + assert( ref != NULL ); + + if( ref->lm_msgtype != LDAP_RES_SEARCH_REFERENCE ) { + return LDAP_PARAM_ERROR; + } + + /* make a private copy of BerElement */ + AC_MEMCPY(&be, ref->lm_ber, sizeof(be)); + + if ( ber_scanf( &be, "{v" /*}*/, &refs ) == LBER_ERROR ) { + rc = LDAP_DECODING_ERROR; + goto free_and_return; + } + + if ( serverctrls == NULL ) { + rc = LDAP_SUCCESS; + goto free_and_return; + } + + if ( ber_scanf( &be, /*{*/ "}" ) == LBER_ERROR ) { + rc = LDAP_DECODING_ERROR; + goto free_and_return; + } + + rc = ldap_pvt_get_controls( &be, serverctrls ); + +free_and_return: + + if( referralsp != NULL ) { + /* provide references regradless of return code */ + *referralsp = refs; + + } else { + LDAP_VFREE( refs ); + } + + if( freeit ) { + ldap_msgfree( ref ); + } + + if( rc != LDAP_SUCCESS ) { + ld->ld_errno = rc; + + if( ld->ld_matched != NULL ) { + LDAP_FREE( ld->ld_matched ); + ld->ld_matched = NULL; + } + + if( ld->ld_error != NULL ) { + LDAP_FREE( ld->ld_error ); + ld->ld_error = NULL; + } + } + + return rc; +} |