krb_get_pw_in_tkt man page on Ultrix

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krb_svc_init(3krb)					    krb_svc_init(3krb)

Name
       krb_svc_init,  krb_get_svc_in_tkt, krb_get_pw_in_tkt - Kerberos authen‐
       tication initialization routines

Syntax
	#include <krb.h>
	#include <des.h>

	krb_svc_init  (user, instance, realm, lifetime,
			     srvtab_file, tkt_file)
	char	 *user, *instance, *realm;
	int lifetime;
	char	 *srvtab_file, *tkt_file;

	krb_get_svc_in_tkt  (user, instance, realm, service,
				   service_instance, lifetime,
				   srvtab_file)
	char	 *user, *instance, *realm, *service,;
	char	 *service_instance;
	int lifetime;
	char	 *srvtab_file;

	krb_get_pw_in_tkt  (user, instance, realm, service,
				     service_instance, lifetime,
				     password)
	char	 *user, *instance, *realm,;
	char	 *service, *service_instance;
	int lifetime;
	char	 *password;

Arguments
       user	For and the primary name of the principal that is obtaining  a
		ticket	that  will authenticate it to principal, service.  For
		the primary name of the principal that is obtaining  a	ticket
		to communicate with the ticket-granting service.

       instance For and the instance name of the principal that is obtaining a
		ticket that will authenticate it to principal,	service.   For
		the  instance name of the principal that is obtaining a ticket
		to communicate with the ticket-granting service.

       realm	For and the realm name of the principal that  is  obtaining  a
		ticket	that  will authenticate it to principal, service.  For
		the realm name of the principal that is obtaining a ticket  to
		communicate with the ticket-granting service.

       service	The  primary  name  of	the service for which a ticket will be
		obtained.

       service_instance
		The instance of	 the  service  for  which  a  ticket  will  be
		obtained.

       lifetime The  number  of	 five-minute  intervals for which the obtained
		ticket should be valid.	 Values greater than 255 will  be  set
		to  255.  Values greater than the maximum lifetime allowed for
		tickets given to the requesting principal will be set  to  the
		maximum lifetime allowed.  The maximum lifetime of the tickets
		granted to a principal is determined  when  the	 principal  is
		added to the Kerberos database.

       srvtab_file
		The path name of the file that contains the key of the princi‐
		pal obtaining a ticket.	 If this value	is  set	 to  the  NULL
		pointer,  the  default	service	 table	(srvtab) file value is
		used.  The default srvtab file value is	 set  by  default   to
		although  this value can be changed by a call to the function.
		(Refer to

       tkt_file The path name of the file into which the credentials and tick‐
		ets  of the user or service should be placed.  If the tkt_file
		parameter is equal to  the  NULL  pointer,  then  the  default
		ticket	file  value is used.  The default ticket file value is
		set equal to is the user ID of	the  process  that  calls  the
		above  functions.   The	 default  ticket  file	value  can  be
		changed by the function call.

       password The password of the principal that is obtaining a ticket  that
		will  authenticate  it to principal, service.  If the password
		input is the NULL string, then will prompt for a  password  on
		and read the password from

Description
       The  routines  are  designed  to	 obtain for the requesting principal a
       ticket to communicate with a specific service.  They require  that  the
       password/key  of	 the  requesting  principal  be either available as an
       argument, or available from the srvtab_file argument or from Since  the
       routines	 always	 require  a password, they are best used to obtain the
       ticket used to  communicate  with  the  ticket-granting	service.   The
       ticket-granting ticket is used by the other Kerberos routines to obtain
       tickets to communicate with principals other than  the  ticket-granting
       service, without needing the key of the principal.

       The  routines as well as the routines will not work as intended without
       the presence of a ticket-granting ticket.

       The routines of are as follows:

       krb_svc_init

       For the principal with a primary name of	 user,	an  instance  name  of
       instance,  and a realm name of realm, the routine obtains a ticket that
       the principal can use to communicate with the ticket-granting  service.
       The  key	 of  the  principal  is	 read  from srvtab_file and the ticket
       obtained is placed in tkt_file.

       If the realm argument is equivalent to the NULL string, then the	 realm
       of  which  the local host is a member, is used by default.  If lifetime
       is equivalent to 0, then	 the  default  lifetime,  255,	is  used.   If
       srvtab_file  is not equivalent to the NULL string, then the srvtab_file
       parameter is used as the service	 table	(srvtab)  file	name  and  the
       default	srvtab	file  is  set  equal to the srvtab_file parameter.  If
       srvtab_file is equivalent to NULL, then	the  default  srvtab  file  is
       used.   If the tkt_file parameter is not equivalent to the NULL string,
       then the tkt_file parameter is used as the ticket  file	name  and  the
       default	ticket	file  is  set equal to the tkt_file parameter.	If the
       tkt_file parameter is NULL, then the default ticket file value is used.

       returns INT_OK if has successfully obtained a  ticket-granting  ticket.
       The  following  is a list of most of the error values returned from and
       their possible cause:

       KFAILURE The file (see cannot be opened or it is not  properly  formed,
		or
		The service table (srvtab) file does not exist, or
		A read of the srvtab file failed, or
		The srvtab file is badly formatted, or
		The  srvtab file did not contain the key of the principal with
		primary name, user, or
		A write to the ticket file failed.

       SKDC_CANT
		A Kerberos server must be contacted so that  can  perform  its
		function, but the attempt cannot be made because a socket can‐
		not be opened or bound, or there is no Kerberos server	listed
		in

       SKDC_RETRY
		A  Kerberos  server  needs to be contacted, but none responded
		even after several attempts.

       INTK_PROT
		Kerberos protocol version mismatch.  The version of  the  Ker‐
		beros protocol supported by does not match the Kerberos proto‐
		col version supported by the daemon.

       INTK_BADPW
		The ticket returned by the daemon did not  decrypt  correctly.
		This is usually caused by an incorrect service password.

       INTK_ERR The  ticket  sent from the daemon was not a ticket to communi‐
		cate with the ticket-granting service, or
		The ticket file cannot be accessed, or
		The ticket file could not be created, or
		A write operation to the ticket file failed.

       TKT_FIL_LCK
		The ticket file could not be locked for access.

       krb_get_svc_in_tkt

       For the principal with a primary name of	 user,	an  instance  name  of
       instance	 and  a	 realm	name of realm, the routine obtains a ticket to
       communicate with the principal that has a primary name of  service  and
       an  instance  name of service_instance.	The key of the requesting pri‐
       mary is read from the file srvtab_file and the tickets  are  placed  in
       the  default ticket file.  If the srvtab_file argument is equivalent to
       the NULL string, then the default srvtab file value is used instead  of
       the  srvtab_file	 parameter.  The default srvtab file value and default
       ticket file value can be changed respectively  by  and  To  obtain  the
       ticket-granting	ticket,	 the  service  parameter  must be set equal to
       "krbtgt" and the service_instance argument must be  set	equal  to  the
       realm name of the local realm.

       returns	INT_OK	if  has	 successfully obtained a ticket to communicate
       with principal, service.	 The following is a list of most of the	 error
       values returned from and their possible causes:

       KFAILURE The file cannot be opened or it is not properly
		formed, or
		A read of the service table (srvtab) file failed, or
		The  srvtab file did not contain the key of the principal with
		primary name, user, or
		A write to the ticket file failed.

       SKDC_CANT
		A Kerberos server must be contacted in order  for  to  perform
		its  function, but the attempt cannot be made because a socket
		cannot be opened or bound, or  there  is  no  Kerberos	server
		listed in

       SKDC_RETRY
		A  Kerberos  server  needs  to be contacted but none responded
		even after several attempts.

       INTK_PROT
		Kerberos protocol version mismatch.  The version of  the  Ker‐
		beros protocol supported by does not match the Kerberos proto‐
		col version supported by the daemon.

       INTK_BADPW
		The ticket returned by the daemon did not  decrypt  correctly.
		This is usually caused by an incorrect service password.

       INTK_ERR The  ticket  sent from the daemon was not a ticket to communi‐
		cate with the ticket-granting service, or
		The ticket file cannot be accessed, or
		The ticket file could not be created, or
		A write operation to the ticket file failed.

       TKT_FIL_LCK
		The ticket file could not be locked for access.

       krb_get_pw_in_tkt

       For the principal with a primary name of	 user,	an  instance  name  of
       instance,  and  a  realm name of realm, the routine obtains a ticket to
       communicate with the principal with a primary name of  service  and  an
       instance	 name  of  service_instance.  The key of the principal must be
       input either as the password parameter or, if  the  password  field  is
       equivalent to the NULL string, the password must be input from

       The  tickets  that  are obtained are placed in the default ticket file.
       The default ticket file can be changed by the function.	To obtain  the
       ticket-granting	ticket,	 the  service  parameter  must be set equal to
       "krbtgt" and the service_instance argument must be  set	equal  to  the
       realm name of the local realm.

       returns	INT_OK	if  has	 successfully obtained a ticket to communicate
       with principal, service.	 The following is a list of most of the	 error
       values returned from and their possible causes:

       KFAILURE file  cannot  be opened or it is not properly formed.  A write
		to the ticket file failed.

       SKDC_CANT
		A Kerberos server must be contacted in order  for  to  perform
		its  function  but the attempt cannot be made because a socket
		cannot be opened or bound, or  there  is  no  Kerberos	server
		listed in

       SKDC_RETRY
		A  Kerberos  server  needs  to be contacted but none responded
		even after several attempts.

       INTK_PROT
		Kerberos protocol version mismatch.  The version of  the  Ker‐
		beros protocol supported by does not match the Kerberos proto‐
		col version supported by the daemon.

       INTK_BADPW
		The ticket returned by the daemon did not  decrypt  correctly.
		This is usually caused by an incorrect user password.

       INTK_ERR The  ticket  sent from the daemon was not a ticket to communi‐
		cate with the ticket-granting service, or
		The ticket file cannot be accessed, or
		The ticket file could not be created, or
		A write operation to the ticket file failed.

       TKT_FIL_LCK
		The ticket file could not be locked for access.

See Also
       krb_get_lrealm(3krb),	 krb_set_tkt_string(3krb),     kerberos(3krb),
       krb_sendauth(3krb), kerberos(8krb)

							    krb_svc_init(3krb)
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