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LDAP_MODIFY(3) Library Functions Manual LDAP_MODIFY(3) NAME ldap_modify_ext, ldap_modify_ext_s - Perform an LDAP modify operation LIBRARY OpenLDAP LDAP (libldap, -lldap) SYNOPSIS #include <ldap.h> int ldap_modify_ext( LDAP *ld, char *dn, LDAPMod *mods[], LDAPControl **sctrls, LDAPControl **cctrls, int *msgidp ); int ldap_modify_ext_s( LDAP *ld, char *dn, LDAPMod *mods[], LDAPControl **sctrls, LDAPControl **cctrls ); void ldap_mods_free( LDAPMod **mods, int freemods ); DESCRIPTION The routine ldap_modify_ext_s() is used to perform an LDAP modify opera- tion. dn is the DN of the entry to modify, and mods is a null-terminated array of modifications to make to the entry. Each element of the mods ar- ray is a pointer to an LDAPMod structure, which is defined below. typedef struct ldapmod { int mod_op; char *mod_type; union { char **modv_strvals; struct berval **modv_bvals; } mod_vals; } LDAPMod; #define mod_values mod_vals.modv_strvals #define mod_bvalues mod_vals.modv_bvals The mod_op field is used to specify the type of modification to perform and should be one of LDAP_MOD_ADD, LDAP_MOD_DELETE, or LDAP_MOD_REPLACE. The mod_type and mod_values fields specify the attribute type to modify and a null-terminated array of values to add, delete, or replace respectively. If you need to specify a non-string value (e.g., to add a photo or audio attribute value), you should set mod_op to the logical OR of the operation as above (e.g., LDAP_MOD_REPLACE) and the constant LDAP_MOD_BVALUES. In this case, mod_bvalues should be used instead of mod_values, and it should point to a null-terminated array of struct bervals, as defined in <lber.h>. For LDAP_MOD_ADD modifications, the given values are added to the entry, creating the attribute if necessary. For LDAP_MOD_DELETE modifications, the given values are deleted from the entry, removing the attribute if no values remain. If the entire attribute is to be deleted, the mod_values field should be set to NULL. For LDAP_MOD_REPLACE modifications, the at- tribute will have the listed values after the modification, having been created if necessary. All modifications are performed in the order in which they are listed. ldap_mods_free() can be used to free each element of a NULL-terminated ar- ray of mod structures. If freemods is non-zero, the mods pointer itself is freed as well. ldap_modify_ext_s() returns a code indicating success or, in the case of failure, indicating the nature of the failure. See ldap_error(3) for de- tails The ldap_modify_ext() operation works the same way as ldap_modify_ext_s(), except that it is asynchronous. The integer that msgidp points to is set to the message id of the modify request. The result of the operation can be obtained by calling ldap_result(3). Both ldap_modify_ext() and ldap_modify_ext_s() allows server and client controls to be passed in via the sctrls and cctrls parameters, respec- tively. DEPRECATED INTERFACES The ldap_modify() and ldap_modify_s() routines are deprecated in favor of the ldap_modify_ext() and ldap_modify_ext_s() routines, respectively. Deprecated interfaces generally remain in the library. The macro LDAP_DEP- RECATED can be defined to a non-zero value (e.g., -DLDAP_DEPRECATED=1) when compiling program designed to use deprecated interfaces. It is recommended that developers writing new programs, or updating old programs, avoid use of deprecated interfaces. Over time, it is expected that documentation (and, eventually, support) for deprecated interfaces to be eliminated. SEE ALSO ldap(3), ldap_error(3), ACKNOWLEDGEMENTS OpenLDAP Software is developed and maintained by The OpenLDAP Project <http://www.openldap.org/>. OpenLDAP Software is derived from the Univer- sity of Michigan LDAP 3.3 Release. OpenLDAP 2.6.13 2026/03/09 LDAP_MODIFY(3)
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | DEPRECATED INTERFACES | SEE ALSO | ACKNOWLEDGEMENTS
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