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KRB5_CONTEXT(3)		 BSD Library Functions Manual	       KRB5_CONTEXT(3)

NAME
     krb5_add_et_list, krb5_add_extra_addresses, krb5_add_ignore_addresses,
     krb5_context, krb5_free_config_files, krb5_free_context,
     krb5_get_default_config_files, krb5_get_dns_canonize_hostname,
     krb5_get_extra_addresses, krb5_get_fcache_version,
     krb5_get_ignore_addresses, krb5_get_kdc_sec_offset,
     krb5_get_max_time_skew, krb5_get_use_admin_kdc krb5_init_context,
     krb5_init_ets, krb5_prepend_config_files,
     krb5_prepend_config_files_default, krb5_set_config_files,
     krb5_set_dns_canonize_hostname, krb5_set_extra_addresses,
     krb5_set_fcache_version, krb5_set_ignore_addresses,
     krb5_set_max_time_skew, krb5_set_use_admin_kdc, — create, modify and
     delete krb5_context structures

LIBRARY
     Kerberos 5 Library (libkrb5, -lkrb5)

SYNOPSIS
     #include <krb5.h>

     struct krb5_context;

     krb5_error_code
     krb5_init_context(krb5_context *context);

     void
     krb5_free_context(krb5_context context);

     void
     krb5_init_ets(krb5_context context);

     krb5_error_code
     krb5_add_et_list(krb5_context context, void (*func)(struct et_list **));

     krb5_error_code
     krb5_add_extra_addresses(krb5_context context,
	 krb5_addresses *addresses);

     krb5_error_code
     krb5_set_extra_addresses(krb5_context context,
	 const krb5_addresses *addresses);

     krb5_error_code
     krb5_get_extra_addresses(krb5_context context,
	 krb5_addresses *addresses);

     krb5_error_code
     krb5_add_ignore_addresses(krb5_context context,
	 krb5_addresses *addresses);

     krb5_error_code
     krb5_set_ignore_addresses(krb5_context context,
	 const krb5_addresses *addresses);

     krb5_error_code
     krb5_get_ignore_addresses(krb5_context context,
	 krb5_addresses *addresses);

     krb5_error_code
     krb5_set_fcache_version(krb5_context context, int version);

     krb5_error_code
     krb5_get_fcache_version(krb5_context context, int *version);

     void
     krb5_set_dns_canonize_hostname(krb5_context context, krb5_boolean flag);

     krb5_boolean
     krb5_get_dns_canonize_hostname(krb5_context context);

     krb5_error_code
     krb5_get_kdc_sec_offset(krb5_context context, int32_t *sec,
	 int32_t *usec);

     krb5_error_code
     krb5_set_config_files(krb5_context context, char **filenames);

     krb5_error_code
     krb5_prepend_config_files(const char *filelist, char **pq,
	 char ***ret_pp);

     krb5_error_code
     krb5_prepend_config_files_default(const char *filelist,
	 char ***pfilenames);

     krb5_error_code
     krb5_get_default_config_files(char ***pfilenames);

     void
     krb5_free_config_files(char **filenames);

     void
     krb5_set_use_admin_kdc(krb5_context context, krb5_boolean flag);

     krb5_boolean
     krb5_get_use_admin_kdc(krb5_context context);

     time_t
     krb5_get_max_time_skew(krb5_context context);

     krb5_error_code
     krb5_set_max_time_skew(krb5_context context, time_t time);

DESCRIPTION
     The krb5_init_context() function initializes the context structure and
     reads the configuration file /etc/krb5.conf.

     The structure should be freed by calling krb5_free_context() when it is
     no longer being used.

     krb5_init_context() returns 0 to indicate success.	 Otherwise an errno
     code is returned.	Failure means either that something bad happened dur‐
     ing initialization (typically [ENOMEM]) or that Kerberos should not be
     used [ENXIO].

     krb5_init_ets() adds all com_err(3) libs to context.  This is done by
     krb5_init_context().

     krb5_add_et_list() adds a com_err(3) error-code handler func to the spec‐
     ified context.  The error handler must generated by the the re-rentrant
     version of the compile_et(3) program.  krb5_add_extra_addresses() add a
     list of addresses that should be added when requesting tickets.

     krb5_add_ignore_addresses() add a list of addresses that should be
     ignored when requesting tickets.

     krb5_get_extra_addresses() get the list of addresses that should be added
     when requesting tickets.

     krb5_get_ignore_addresses() get the list of addresses that should be
     ignored when requesting tickets.

     krb5_set_ignore_addresses() set the list of addresses that should be
     ignored when requesting tickets.

     krb5_set_extra_addresses() set the list of addresses that should be added
     when requesting tickets.

     krb5_set_fcache_version() sets the version of file credentials caches
     that should be used.

     krb5_get_fcache_version() gets the version of file credentials caches
     that should be used.

     krb5_set_dns_canonize_hostname() sets if the context is configured to
     canonicalize hostnames using DNS.

     krb5_get_dns_canonize_hostname() returns if the context is configured to
     canonicalize hostnames using DNS.

     krb5_get_kdc_sec_offset() returns the offset between the localtime and
     the KDC's time.  sec and usec are both optional argument and NULL can be
     passed in.

     krb5_set_config_files() set the list of configuration files to use and
     re-initialize the configuration from the files.

     krb5_prepend_config_files() parse the filelist and prepend the result to
     the already existing list pq The result is returned in ret_pp and should
     be freed with krb5_free_config_files().

     krb5_prepend_config_files_default() parse the filelist and append that to
     the default list of configuration files.

     krb5_get_default_config_files() get a list of default configuration
     files.

     krb5_free_config_files() free a list of configuration files returned by
     krb5_get_default_config_files(), krb5_prepend_config_files_default(), or
     krb5_prepend_config_files().

     krb5_set_use_admin_kdc() sets if all KDC requests should go admin KDC.

     krb5_get_use_admin_kdc() gets if all KDC requests should go admin KDC.

     krb5_get_max_time_skew() and krb5_set_max_time_skew() get and sets the
     maximum allowed time skew between client and server.

SEE ALSO
     errno(2), krb5(3), krb5_config(3), krb5_context(3), kerberos(8)

HEIMDAL			       December 8, 2004			       HEIMDAL
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