diff options
Diffstat (limited to 'ldap/c-sdk/libprldap/ldappr-public.c')
-rw-r--r-- | ldap/c-sdk/libprldap/ldappr-public.c | 454 |
1 files changed, 454 insertions, 0 deletions
diff --git a/ldap/c-sdk/libprldap/ldappr-public.c b/ldap/c-sdk/libprldap/ldappr-public.c new file mode 100644 index 000000000..6e9e597e6 --- /dev/null +++ b/ldap/c-sdk/libprldap/ldappr-public.c @@ -0,0 +1,454 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Mozilla Communicator client code, released + * March 31, 1998. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* + * Public interface for libprldap -- use NSPR (Netscape Portable Runtime) + * I/O, threads, etc. with libldap. + * + */ + +#include "ldappr-int.h" +#include <private/pprio.h> + +/* + * Function: prldap_init(). + * + * Create a new LDAP session handle, but with NSPR I/O, threading, and DNS + * functions installed. + * + * Pass a non-zero value for the 'shared' parameter if you plan to use + * this LDAP * handle from more than one thread. + * + * prldap_init() returns an LDAP session handle (or NULL if an error occurs). + */ +LDAP * LDAP_CALL +prldap_init( const char *defhost, int defport, int shared ) +{ + LDAP *ld; + + if (( ld = ldap_init( defhost, defport )) != NULL ) { + if ( prldap_install_routines( ld, shared ) != LDAP_SUCCESS ) { + prldap_set_system_errno( EINVAL ); /* XXXmcs: just a guess! */ + ldap_unbind( ld ); + ld = NULL; + } + } + + return( ld ); +} + + +/* + * Function: prldap_install_routines(). + * + * Install NSPR I/O, threading, and DNS functions so they will be used by + * 'ld'. + * + * If 'ld' is NULL, the functions are installed as the default functions + * for all new LDAP * handles). + * + * Pass a non-zero value for the 'shared' parameter if you plan to use + * this LDAP * handle from more than one thread. + * + * prldap_install_routines() returns an LDAP API error code (LDAP_SUCCESS + * if all goes well). + */ +int LDAP_CALL +prldap_install_routines( LDAP *ld, int shared ) +{ + + if ( prldap_install_io_functions( ld, shared ) != 0 + || prldap_install_thread_functions( ld, shared ) != 0 + || prldap_install_dns_functions( ld ) != 0 ) { + return( ldap_get_lderrno( ld, NULL, NULL )); + } + + return( LDAP_SUCCESS ); +} + + +/* + * Function: prldap_set_session_option(). + * + * Given an LDAP session handle or a session argument such is passed to + * SOCKET, POLL, NEWHANDLE, or DISPOSEHANDLE extended I/O callbacks, set + * an option that affects the prldap layer. + * + * If 'ld' and 'session" are both NULL, the option is set as the default + * for all new prldap sessions. + * + * Returns an LDAP API error code (LDAP_SUCCESS if all goes well). + */ +int LDAP_CALL +prldap_set_session_option( LDAP *ld, void *sessionarg, int option, ... ) +{ + int rc = LDAP_SUCCESS; /* optimistic */ + PRLDAPIOSessionArg *prsessp = NULL; + va_list ap; + + if ( NULL != ld ) { + if ( LDAP_SUCCESS != + ( rc = prldap_session_arg_from_ld( ld, &prsessp ))) { + return( rc ); + } + } else if ( NULL != sessionarg ) { + prsessp = (PRLDAPIOSessionArg *)sessionarg; + } + + va_start( ap, option ); + switch ( option ) { + case PRLDAP_OPT_IO_MAX_TIMEOUT: + rc = prldap_set_io_max_timeout( prsessp, va_arg( ap, int )); + break; + default: + rc = LDAP_PARAM_ERROR; + } + va_end( ap ); + + return( rc ); +} + + +/* + * Function: prldap_get_session_option(). + * + * Given an LDAP session handle or a session argument such is passed to + * SOCKET, POLL, NEWHANDLE, or DISPOSEHANDLE extended I/O callbacks, retrieve + * the setting for an option that affects the prldap layer. + * + * If 'ld' and 'session" are both NULL, the default option value for all new + * new prldap sessions is retrieved. + * + * Returns an LDAP API error code (LDAP_SUCCESS if all goes well). + */ +int LDAP_CALL prldap_get_session_option( LDAP *ld, void *sessionarg, + int option, ... ) +{ + int rc = LDAP_SUCCESS; /* optimistic */ + PRLDAPIOSessionArg *prsessp = NULL; + va_list ap; + + if ( NULL != ld ) { + if ( LDAP_SUCCESS != + ( rc = prldap_session_arg_from_ld( ld, &prsessp ))) { + return( rc ); + } + } else if ( NULL != sessionarg ) { + prsessp = (PRLDAPIOSessionArg *)sessionarg; + } + + va_start( ap, option ); + switch ( option ) { + case PRLDAP_OPT_IO_MAX_TIMEOUT: + rc = prldap_get_io_max_timeout( prsessp, va_arg( ap, int * )); + break; + default: + rc = LDAP_PARAM_ERROR; + } + va_end( ap ); + + return( rc ); +} + + +/* + * Function: prldap_set_session_info(). + * + * Given an LDAP session handle, set some application-specific data. + * + * Returns an LDAP API error code (LDAP_SUCCESS if all goes well). + */ +int LDAP_CALL +prldap_set_session_info( LDAP *ld, void *sessionarg, PRLDAPSessionInfo *seip ) +{ + int rc; + PRLDAPIOSessionArg *prsessp; + + if ( seip == NULL || PRLDAP_SESSIONINFO_SIZE != seip->seinfo_size ) { + ldap_set_lderrno( ld, LDAP_PARAM_ERROR, NULL, NULL ); + return( LDAP_PARAM_ERROR ); + } + + if ( NULL != ld ) { + if ( LDAP_SUCCESS != + ( rc = prldap_session_arg_from_ld( ld, &prsessp ))) { + return( rc ); + } + } else if ( NULL != sessionarg ) { + prsessp = (PRLDAPIOSessionArg *)sessionarg; + } else { + ldap_set_lderrno( ld, LDAP_PARAM_ERROR, NULL, NULL ); + return( LDAP_PARAM_ERROR ); + } + + prsessp->prsess_appdata = seip->seinfo_appdata; + return( LDAP_SUCCESS ); +} + + +/* + * Function: prldap_get_session_info(). + * + * Given an LDAP session handle, retrieve some application-specific data. + * + * Returns an LDAP API error code (LDAP_SUCCESS if all goes well, in + * which case the fields in the structure that seip points to are filled in). + */ +int LDAP_CALL +prldap_get_session_info( LDAP *ld, void *sessionarg, PRLDAPSessionInfo *seip ) +{ + int rc; + PRLDAPIOSessionArg *prsessp; + + if ( seip == NULL || PRLDAP_SESSIONINFO_SIZE != seip->seinfo_size ) { + ldap_set_lderrno( ld, LDAP_PARAM_ERROR, NULL, NULL ); + return( LDAP_PARAM_ERROR ); + } + + if ( NULL != ld ) { + if ( LDAP_SUCCESS != + ( rc = prldap_session_arg_from_ld( ld, &prsessp ))) { + return( rc ); + } + } else if ( NULL != sessionarg ) { + prsessp = (PRLDAPIOSessionArg *)sessionarg; + } else { + ldap_set_lderrno( ld, LDAP_PARAM_ERROR, NULL, NULL ); + return( LDAP_PARAM_ERROR ); + } + + seip->seinfo_appdata = prsessp->prsess_appdata; + return( LDAP_SUCCESS ); +} + + +/* + * Function: prldap_set_socket_info(). + * + * Given an integer fd and a void * argument such as those passed to the + * extended I/O callback functions, set socket specific information. + * + * Returns an LDAP API error code (LDAP_SUCCESS if all goes well). + * + * Note: it is only safe to change soinfo_prfd from within the SOCKET + * extended I/O callback function. + */ +int LDAP_CALL +prldap_set_socket_info( int fd, void *socketarg, PRLDAPSocketInfo *soip ) +{ + PRLDAPIOSocketArg *prsockp; + + if ( NULL == socketarg || NULL == soip || + PRLDAP_SOCKETINFO_SIZE != soip->soinfo_size ) { + return( LDAP_PARAM_ERROR ); + } + + prsockp = (PRLDAPIOSocketArg *)socketarg; + prsockp->prsock_prfd = soip->soinfo_prfd; + prsockp->prsock_appdata = soip->soinfo_appdata; + + return( LDAP_SUCCESS ); +} + + +/* + * Function: prldap_get_socket_info(). + * + * Given an integer fd and a void * argument such as those passed to the + * extended I/O callback functions, retrieve socket specific information. + * + * Returns an LDAP API error code (LDAP_SUCCESS if all goes well, in + * which case the fields in the structure that soip points to are filled in). + */ +int LDAP_CALL +prldap_get_socket_info( int fd, void *socketarg, PRLDAPSocketInfo *soip ) +{ + PRLDAPIOSocketArg *prsockp; + + if ( NULL == socketarg || NULL == soip || + PRLDAP_SOCKETINFO_SIZE != soip->soinfo_size ) { + return( LDAP_PARAM_ERROR ); + } + + prsockp = (PRLDAPIOSocketArg *)socketarg; + soip->soinfo_prfd = prsockp->prsock_prfd; + soip->soinfo_appdata = prsockp->prsock_appdata; + + return( LDAP_SUCCESS ); +} + + +/* + * Function: prldap_get_default_socket_info(). + * + * Given an LDAP session handle, retrieve socket specific information. + * If ld is NULL, LDAP_PARAM_ERROR is returned. + * + * Returns an LDAP API error code (LDAP_SUCCESS if all goes well, in + * which case the fields in the structure that soip points to are filled in). + */ +int LDAP_CALL +prldap_get_default_socket_info( LDAP *ld, PRLDAPSocketInfo *soip ) +{ + int rc; + PRLDAPIOSocketArg *prsockp; + + + if ( NULL == soip || PRLDAP_SOCKETINFO_SIZE != soip->soinfo_size ) { + ldap_set_lderrno( ld, LDAP_PARAM_ERROR, NULL, NULL ); + return( LDAP_PARAM_ERROR ); + } + + if ( NULL != ld ) { + if ( LDAP_SUCCESS != + ( rc = prldap_socket_arg_from_ld( ld, &prsockp ))) { + return( rc ); + } + } else { + ldap_set_lderrno( ld, LDAP_PARAM_ERROR, NULL, NULL ); + return( LDAP_PARAM_ERROR ); + } + + soip->soinfo_prfd = prsockp->prsock_prfd; + soip->soinfo_appdata = prsockp->prsock_appdata; + + return( LDAP_SUCCESS ); +} + + +/* + * Function: prldap_set_default_socket_info(). + * + * Given an LDAP session handle, set socket specific information. + * If ld is NULL, LDAP_PARAM_ERROR is returned. + * + * Returns an LDAP API error code (LDAP_SUCCESS if all goes well, in + * which case the fields in the structure that soip points to are filled in). + */ +int LDAP_CALL +prldap_set_default_socket_info( LDAP *ld, PRLDAPSocketInfo *soip ) +{ + int rc; + PRLDAPIOSocketArg *prsockp; + + + if ( NULL == soip || PRLDAP_SOCKETINFO_SIZE != soip->soinfo_size ) { + ldap_set_lderrno( ld, LDAP_PARAM_ERROR, NULL, NULL ); + return( LDAP_PARAM_ERROR ); + } + + if ( NULL != ld ) { + if ( LDAP_SUCCESS != + ( rc = prldap_socket_arg_from_ld( ld, &prsockp ))) { + return( rc ); + } + } else { + ldap_set_lderrno( ld, LDAP_PARAM_ERROR, NULL, NULL ); + return( LDAP_PARAM_ERROR ); + } + + prsockp->prsock_prfd = soip->soinfo_prfd; + prsockp->prsock_appdata = soip->soinfo_appdata; + + return( LDAP_SUCCESS ); +} + + +/* +* Function: prldap_import_connection(). +* +* Given the LDAP handle the connection parameters for the +* file descriptor are imported into NSPR layer. +* +* Returns an LDAP API code (LDAP_SUCCESS) if all goes well. +*/ +int LDAP_CALL +prldap_import_connection (LDAP *ld) +{ + int rc = LDAP_SUCCESS; /* optimistic */ + int shared = 1; /* Assume shared init */ + LBER_SOCKET orig_socket = -1; + PRLDAPIOSessionArg *prsessp = NULL; + PRLDAPIOSocketArg *prsockp = NULL; + PRFileDesc *pr_socket = NULL; + + /* Check for invalid ld handle */ + if ( ld == NULL) { + ldap_set_lderrno( ld, LDAP_PARAM_ERROR, NULL, NULL ); + return( LDAP_PARAM_ERROR ); + } + + /* Retrieve TCP socket's integer file descriptor */ + if ( ldap_get_option( ld, LDAP_OPT_DESC, &orig_socket ) < 0 ) { + return( ldap_get_lderrno( ld, NULL, NULL )); + } + + /* Check for NSPR functions on ld */ + if ( prldap_is_installed(ld)) { /* Error : NSPR already Installed */ + ldap_set_lderrno( ld, LDAP_LOCAL_ERROR, NULL, NULL ); + return( LDAP_LOCAL_ERROR ); + } + + if (LDAP_SUCCESS != (rc = prldap_install_routines(ld, shared))) { + return( rc ); + } + + if (LDAP_SUCCESS != (rc = prldap_session_arg_from_ld( ld, &prsessp ))) { + return( rc ); + } + + /* Get NSPR Socket Arg */ + if ( NULL == ( prsockp = prldap_socket_arg_alloc( prsessp ))) { + ldap_set_lderrno( ld, LDAP_NO_MEMORY, NULL, NULL ); + return( LDAP_NO_MEMORY ); + } + + /* Import file descriptor of connection made via ldap_init() */ + if (NULL == (pr_socket = PR_ImportTCPSocket(orig_socket)) ) { + ldap_set_lderrno( ld, LDAP_LOCAL_ERROR, NULL, NULL ); + return( LDAP_LOCAL_ERROR ); + } + + prsockp->prsock_prfd = pr_socket; + + /* Set Socket Arg in Extended I/O Layer */ + if ( ldap_set_option( ld, LDAP_X_OPT_SOCKETARG, prsockp) != 0 ) { + return( ldap_get_lderrno( ld, NULL, NULL )); + } + + return( rc ); +} |