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/*
* Support code for the Common UNIX Printing System ( " CUPS " )
*
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* Copyright 1999 - 2001 by Easy Software Products
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*
* This program is free software ; you can redistribute it and / or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation ; either version 2 of the License , or
* ( at your option ) any later version .
*
* This program is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
* GNU General Public License for more details .
*
* You should have received a copy of the GNU General Public License
* along with this program ; if not , write to the Free Software
* Foundation , Inc . , 675 Mass Ave , Cambridge , MA 0213 9 , USA .
*/
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# include "printing.h"
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# include "smb.h"
# ifdef HAVE_LIBCUPS
# include <cups/cups.h>
# include <cups/language.h>
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/*
* CUPS printing interface definitions . . .
*/
static int cups_job_delete ( int snum , struct printjob * pjob ) ;
static int cups_job_pause ( int snum , struct printjob * pjob ) ;
static int cups_job_resume ( int snum , struct printjob * pjob ) ;
static int cups_job_submit ( int snum , struct printjob * pjob ) ;
static int cups_queue_get ( int snum , print_queue_struct * * q ,
print_status_struct * status ) ;
static int cups_queue_pause ( int snum ) ;
static int cups_queue_resume ( int snum ) ;
struct printif cups_printif =
{
cups_queue_get ,
cups_queue_pause ,
cups_queue_resume ,
cups_job_delete ,
cups_job_pause ,
cups_job_resume ,
cups_job_submit ,
} ;
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extern int DEBUGLEVEL ;
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/*
* ' cups_passwd_cb ( ) ' - The CUPS password callback . . .
*/
const char * /* O - Password or NULL */
cups_passwd_cb ( const char * prompt ) /* I - Prompt */
{
/*
* Always return NULL to indicate that no password is available . . .
*/
( void ) prompt ;
return ( NULL ) ;
}
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/*
* ' cups_printer_fn ( ) ' - Call a function for every printer known to the
* system .
*/
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void
cups_printer_fn ( void ( * fn ) ( char * , char * ) ) /* I - Function to call */
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{
http_t * http ; /* HTTP connection to server */
ipp_t * request , /* IPP Request */
* response ; /* IPP Response */
ipp_attribute_t * attr ; /* Current attribute */
cups_lang_t * language ; /* Default language */
char * name , /* printer-name attribute */
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* make_model , /* printer-make-and-model attribute */
* info ; /* printer-info attribute */
static const char * requested [ ] = /* Requested attributes */
{
" printer-name " ,
" printer-make-and-model " ,
" printer-info "
} ;
DEBUG ( 5 , ( " cups_printer_fn(%p) \n " , fn ) ) ;
/*
* Make sure we don ' t ask for passwords . . .
*/
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cupsSetPasswordCB ( cups_passwd_cb ) ;
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/*
* Try to connect to the server . . .
*/
if ( ( http = httpConnect ( cupsServer ( ) , ippPort ( ) ) ) = = NULL )
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{
DEBUG ( 0 , ( " Unable to connect to CUPS server %s - %s \n " ,
cupsServer ( ) , strerror ( errno ) ) ) ;
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return ;
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}
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/*
* Build a CUPS_GET_PRINTERS request , which requires the following
* attributes :
*
* attributes - charset
* attributes - natural - language
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* requested - attributes
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*/
request = ippNew ( ) ;
request - > request . op . operation_id = CUPS_GET_PRINTERS ;
request - > request . op . request_id = 1 ;
language = cupsLangDefault ( ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_CHARSET ,
" attributes-charset " , NULL , cupsLangEncoding ( language ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_LANGUAGE ,
" attributes-natural-language " , NULL , language - > language ) ;
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ippAddStrings ( request , IPP_TAG_OPERATION , IPP_TAG_NAME ,
" requested-attributes " ,
( sizeof ( requested ) / sizeof ( requested [ 0 ] ) ) ,
NULL , requested ) ;
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/*
* Do the request and get back a response . . .
*/
if ( ( response = cupsDoRequest ( http , request , " / " ) ) = = NULL )
{
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DEBUG ( 0 , ( " Unable to get printer list - %s \n " ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
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httpClose ( http ) ;
return ;
}
for ( attr = response - > attrs ; attr ! = NULL ; )
{
/*
* Skip leading attributes until we hit a printer . . .
*/
while ( attr ! = NULL & & attr - > group_tag ! = IPP_TAG_PRINTER )
attr = attr - > next ;
if ( attr = = NULL )
break ;
/*
* Pull the needed attributes from this printer . . .
*/
name = NULL ;
make_model = NULL ;
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info = NULL ;
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while ( attr ! = NULL & & attr - > group_tag = = IPP_TAG_PRINTER )
{
if ( strcmp ( attr - > name , " printer-name " ) = = 0 & &
attr - > value_tag = = IPP_TAG_NAME )
name = attr - > values [ 0 ] . string . text ;
if ( strcmp ( attr - > name , " printer-make-and-model " ) = = 0 & &
attr - > value_tag = = IPP_TAG_TEXT )
make_model = attr - > values [ 0 ] . string . text ;
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if ( strcmp ( attr - > name , " printer-info " ) = = 0 & &
attr - > value_tag = = IPP_TAG_TEXT )
info = attr - > values [ 0 ] . string . text ;
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attr = attr - > next ;
}
/*
* See if we have everything needed . . .
*/
if ( name = = NULL )
break ;
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if ( info = = NULL | | ! info [ 0 ] )
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( * fn ) ( name , make_model ) ;
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else
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( * fn ) ( name , info ) ;
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}
ippDelete ( response ) ;
httpClose ( http ) ;
}
/*
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* ' cups_printername_ok ( ) ' - Provide the equivalent of pcap_printername_ok ( )
* for CUPS .
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*/
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int /* O - 1 if printer name OK */
cups_printername_ok ( char * name ) /* I - Name of printer */
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{
http_t * http ; /* HTTP connection to server */
ipp_t * request , /* IPP Request */
* response ; /* IPP Response */
cups_lang_t * language ; /* Default language */
char uri [ HTTP_MAX_URI ] ; /* printer-uri attribute */
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DEBUG ( 5 , ( " cups_printername_ok( \" %s \" ) \n " , name ) ) ;
/*
* Make sure we don ' t ask for passwords . . .
*/
cupsSetPasswordCB ( cups_passwd_cb ) ;
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/*
* Try to connect to the server . . .
*/
if ( ( http = httpConnect ( cupsServer ( ) , ippPort ( ) ) ) = = NULL )
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{
DEBUG ( 0 , ( " Unable to connect to CUPS server %s - %s \n " ,
cupsServer ( ) , strerror ( errno ) ) ) ;
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return ( 0 ) ;
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}
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/*
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* Build an IPP_GET_PRINTER_ATTRS request , which requires the following
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* attributes :
*
* attributes - charset
* attributes - natural - language
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* requested - attributes
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* printer - uri
*/
request = ippNew ( ) ;
request - > request . op . operation_id = IPP_GET_PRINTER_ATTRIBUTES ;
request - > request . op . request_id = 1 ;
language = cupsLangDefault ( ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_CHARSET ,
" attributes-charset " , NULL , cupsLangEncoding ( language ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_LANGUAGE ,
" attributes-natural-language " , NULL , language - > language ) ;
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ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_NAME ,
" requested-attributes " , NULL , " printer-uri " ) ;
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slprintf ( uri , sizeof ( uri ) - 1 , " ipp://localhost/printers/%s " , name ) ;
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ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_URI ,
" printer-uri " , NULL , uri ) ;
/*
* Do the request and get back a response . . .
*/
if ( ( response = cupsDoRequest ( http , request , " / " ) ) = = NULL )
{
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DEBUG ( 0 , ( " Unable to get printer status for %s - %s \n " , name ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
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httpClose ( http ) ;
return ( 0 ) ;
}
httpClose ( http ) ;
if ( response - > request . status . status_code > = IPP_OK_CONFLICT )
{
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DEBUG ( 0 , ( " Unable to get printer status for %s - %s \n " , name ,
ippErrorString ( response - > request . status . status_code ) ) ) ;
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ippDelete ( response ) ;
return ( 0 ) ;
}
else
{
ippDelete ( response ) ;
return ( 1 ) ;
}
}
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/*
* ' cups_job_delete ( ) ' - Delete a job .
*/
static int
cups_job_delete ( int snum , struct printjob * pjob )
{
int ret ; /* Return value */
http_t * http ; /* HTTP connection to server */
ipp_t * request , /* IPP Request */
* response ; /* IPP Response */
cups_lang_t * language ; /* Default language */
char uri [ HTTP_MAX_URI ] ; /* printer-uri attribute */
DEBUG ( 5 , ( " cups_job_delete(%d, %p (%d)) \n " , snum , pjob , pjob - > sysjob ) ) ;
/*
* Make sure we don ' t ask for passwords . . .
*/
cupsSetPasswordCB ( cups_passwd_cb ) ;
/*
* Try to connect to the server . . .
*/
if ( ( http = httpConnect ( cupsServer ( ) , ippPort ( ) ) ) = = NULL )
{
DEBUG ( 0 , ( " Unable to connect to CUPS server %s - %s \n " ,
cupsServer ( ) , strerror ( errno ) ) ) ;
return ( 1 ) ;
}
/*
* Build an IPP_CANCEL_JOB request , which requires the following
* attributes :
*
* attributes - charset
* attributes - natural - language
* job - uri
* requesting - user - name
*/
request = ippNew ( ) ;
request - > request . op . operation_id = IPP_CANCEL_JOB ;
request - > request . op . request_id = 1 ;
language = cupsLangDefault ( ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_CHARSET ,
" attributes-charset " , NULL , cupsLangEncoding ( language ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_LANGUAGE ,
" attributes-natural-language " , NULL , language - > language ) ;
slprintf ( uri , sizeof ( uri ) - 1 , " ipp://localhost/jobs/%d " , pjob - > sysjob ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_URI , " job-uri " , NULL , uri ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_NAME , " requesting-user-name " ,
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NULL , pjob - > user ) ;
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/*
* Do the request and get back a response . . .
*/
ret = 1 ;
if ( ( response = cupsDoRequest ( http , request , " /jobs " ) ) ! = NULL )
{
if ( response - > request . status . status_code > = IPP_OK_CONFLICT )
DEBUG ( 0 , ( " Unable to cancel job %d - %s \n " , pjob - > sysjob ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
else
ret = 0 ;
ippDelete ( response ) ;
}
else
DEBUG ( 0 , ( " Unable to cancel job %d - %s \n " , pjob - > sysjob ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
httpClose ( http ) ;
return ( ret ) ;
}
/*
* ' cups_job_pause ( ) ' - Pause a job .
*/
static int
cups_job_pause ( int snum , struct printjob * pjob )
{
int ret ; /* Return value */
http_t * http ; /* HTTP connection to server */
ipp_t * request , /* IPP Request */
* response ; /* IPP Response */
cups_lang_t * language ; /* Default language */
char uri [ HTTP_MAX_URI ] ; /* printer-uri attribute */
DEBUG ( 5 , ( " cups_job_pause(%d, %p (%d)) \n " , snum , pjob , pjob - > sysjob ) ) ;
/*
* Make sure we don ' t ask for passwords . . .
*/
cupsSetPasswordCB ( cups_passwd_cb ) ;
/*
* Try to connect to the server . . .
*/
if ( ( http = httpConnect ( cupsServer ( ) , ippPort ( ) ) ) = = NULL )
{
DEBUG ( 0 , ( " Unable to connect to CUPS server %s - %s \n " ,
cupsServer ( ) , strerror ( errno ) ) ) ;
return ( 1 ) ;
}
/*
* Build an IPP_HOLD_JOB request , which requires the following
* attributes :
*
* attributes - charset
* attributes - natural - language
* job - uri
* requesting - user - name
*/
request = ippNew ( ) ;
request - > request . op . operation_id = IPP_HOLD_JOB ;
request - > request . op . request_id = 1 ;
language = cupsLangDefault ( ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_CHARSET ,
" attributes-charset " , NULL , cupsLangEncoding ( language ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_LANGUAGE ,
" attributes-natural-language " , NULL , language - > language ) ;
slprintf ( uri , sizeof ( uri ) - 1 , " ipp://localhost/jobs/%d " , pjob - > sysjob ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_URI , " job-uri " , NULL , uri ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_NAME , " requesting-user-name " ,
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NULL , pjob - > user ) ;
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/*
* Do the request and get back a response . . .
*/
ret = 1 ;
if ( ( response = cupsDoRequest ( http , request , " /jobs " ) ) ! = NULL )
{
if ( response - > request . status . status_code > = IPP_OK_CONFLICT )
DEBUG ( 0 , ( " Unable to hold job %d - %s \n " , pjob - > sysjob ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
else
ret = 0 ;
ippDelete ( response ) ;
}
else
DEBUG ( 0 , ( " Unable to hold job %d - %s \n " , pjob - > sysjob ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
httpClose ( http ) ;
return ( ret ) ;
}
/*
* ' cups_job_resume ( ) ' - Resume a paused job .
*/
static int
cups_job_resume ( int snum , struct printjob * pjob )
{
int ret ; /* Return value */
http_t * http ; /* HTTP connection to server */
ipp_t * request , /* IPP Request */
* response ; /* IPP Response */
cups_lang_t * language ; /* Default language */
char uri [ HTTP_MAX_URI ] ; /* printer-uri attribute */
DEBUG ( 5 , ( " cups_job_resume(%d, %p (%d)) \n " , snum , pjob , pjob - > sysjob ) ) ;
/*
* Make sure we don ' t ask for passwords . . .
*/
cupsSetPasswordCB ( cups_passwd_cb ) ;
/*
* Try to connect to the server . . .
*/
if ( ( http = httpConnect ( cupsServer ( ) , ippPort ( ) ) ) = = NULL )
{
DEBUG ( 0 , ( " Unable to connect to CUPS server %s - %s \n " ,
cupsServer ( ) , strerror ( errno ) ) ) ;
return ( 1 ) ;
}
/*
* Build an IPP_RELEASE_JOB request , which requires the following
* attributes :
*
* attributes - charset
* attributes - natural - language
* job - uri
* requesting - user - name
*/
request = ippNew ( ) ;
request - > request . op . operation_id = IPP_RELEASE_JOB ;
request - > request . op . request_id = 1 ;
language = cupsLangDefault ( ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_CHARSET ,
" attributes-charset " , NULL , cupsLangEncoding ( language ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_LANGUAGE ,
" attributes-natural-language " , NULL , language - > language ) ;
slprintf ( uri , sizeof ( uri ) - 1 , " ipp://localhost/jobs/%d " , pjob - > sysjob ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_URI , " job-uri " , NULL , uri ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_NAME , " requesting-user-name " ,
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NULL , pjob - > user ) ;
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/*
* Do the request and get back a response . . .
*/
ret = 1 ;
if ( ( response = cupsDoRequest ( http , request , " /jobs " ) ) ! = NULL )
{
if ( response - > request . status . status_code > = IPP_OK_CONFLICT )
DEBUG ( 0 , ( " Unable to release job %d - %s \n " , pjob - > sysjob ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
else
ret = 0 ;
ippDelete ( response ) ;
}
else
DEBUG ( 0 , ( " Unable to release job %d - %s \n " , pjob - > sysjob ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
httpClose ( http ) ;
return ( ret ) ;
}
/*
* ' cups_job_submit ( ) ' - Submit a job for printing .
*/
static int
cups_job_submit ( int snum , struct printjob * pjob )
{
int ret ; /* Return value */
http_t * http ; /* HTTP connection to server */
ipp_t * request , /* IPP Request */
* response ; /* IPP Response */
cups_lang_t * language ; /* Default language */
char uri [ HTTP_MAX_URI ] ; /* printer-uri attribute */
DEBUG ( 5 , ( " cups_job_submit(%d, %p (%d)) \n " , snum , pjob , pjob - > sysjob ) ) ;
/*
* Make sure we don ' t ask for passwords . . .
*/
cupsSetPasswordCB ( cups_passwd_cb ) ;
/*
* Try to connect to the server . . .
*/
if ( ( http = httpConnect ( cupsServer ( ) , ippPort ( ) ) ) = = NULL )
{
DEBUG ( 0 , ( " Unable to connect to CUPS server %s - %s \n " ,
cupsServer ( ) , strerror ( errno ) ) ) ;
return ( 1 ) ;
}
/*
* Build an IPP_PRINT_JOB request , which requires the following
* attributes :
*
* attributes - charset
* attributes - natural - language
* printer - uri
* requesting - user - name
* [ document - data ]
*/
request = ippNew ( ) ;
request - > request . op . operation_id = IPP_PRINT_JOB ;
request - > request . op . request_id = 1 ;
language = cupsLangDefault ( ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_CHARSET ,
" attributes-charset " , NULL , cupsLangEncoding ( language ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_LANGUAGE ,
" attributes-natural-language " , NULL , language - > language ) ;
slprintf ( uri , sizeof ( uri ) - 1 , " ipp://localhost/printers/%s " ,
PRINTERNAME ( snum ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_URI ,
" printer-uri " , NULL , uri ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_NAME , " requesting-user-name " ,
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NULL , pjob - > user ) ;
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ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_NAME , " job-name " , NULL ,
pjob - > jobname ) ;
/*
* Do the request and get back a response . . .
*/
slprintf ( uri , sizeof ( uri ) - 1 , " /printers/%s " , PRINTERNAME ( snum ) ) ;
ret = 1 ;
if ( ( response = cupsDoFileRequest ( http , request , uri ,
pjob - > filename ) ) ! = NULL )
{
if ( response - > request . status . status_code > = IPP_OK_CONFLICT )
DEBUG ( 0 , ( " Unable to print file to %s - %s \n " , PRINTERNAME ( snum ) ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
else
ret = 0 ;
ippDelete ( response ) ;
}
else
DEBUG ( 0 , ( " Unable to print file to `%s' - %s \n " , PRINTERNAME ( snum ) ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
httpClose ( http ) ;
return ( ret ) ;
}
/*
* ' cups_queue_get ( ) ' - Get all the jobs in the print queue .
*/
static int
cups_queue_get ( int snum , print_queue_struct * * q , print_status_struct * status )
{
http_t * http ; /* HTTP connection to server */
ipp_t * request , /* IPP Request */
* response ; /* IPP Response */
ipp_attribute_t * attr ; /* Current attribute */
cups_lang_t * language ; /* Default language */
char uri [ HTTP_MAX_URI ] ; /* printer-uri attribute */
int qcount , /* Number of active queue entries */
qalloc ; /* Number of queue entries allocated */
print_queue_struct * queue , /* Queue entries */
* temp ; /* Temporary pointer for queue */
const char * user_name , /* job-originating-user-name attribute */
* job_name ; /* job-name attribute */
int job_id ; /* job-id attribute */
int job_k_octets ; /* job-k-octets attribute */
time_t job_time ; /* time-at-creation attribute */
ipp_jstate_t job_status ; /* job-status attribute */
int job_priority ; /* job-priority attribute */
static const char * jattrs [ ] = /* Requested job attributes */
{
" job-id " ,
" job-k-octets " ,
" job-name " ,
" job-originating-user-name " ,
" job-priority " ,
" job-state " ,
" time-at-creation " ,
} ;
static const char * pattrs [ ] = /* Requested printer attributes */
{
" printer-state " ,
" printer-state-message "
} ;
DEBUG ( 5 , ( " cups_queue_get(%d, %p, %p) \n " , snum , q , status ) ) ;
/*
* Make sure we don ' t ask for passwords . . .
*/
cupsSetPasswordCB ( cups_passwd_cb ) ;
/*
* Try to connect to the server . . .
*/
if ( ( http = httpConnect ( cupsServer ( ) , ippPort ( ) ) ) = = NULL )
{
DEBUG ( 0 , ( " Unable to connect to CUPS server %s - %s \n " ,
cupsServer ( ) , strerror ( errno ) ) ) ;
return ( 0 ) ;
}
/*
* Generate the printer URI . . .
*/
slprintf ( uri , sizeof ( uri ) - 1 , " ipp://localhost/printers/%s " ,
PRINTERNAME ( snum ) ) ;
/*
* Build an IPP_GET_JOBS request , which requires the following
* attributes :
*
* attributes - charset
* attributes - natural - language
* requested - attributes
* printer - uri
*/
request = ippNew ( ) ;
request - > request . op . operation_id = IPP_GET_JOBS ;
request - > request . op . request_id = 1 ;
language = cupsLangDefault ( ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_CHARSET ,
" attributes-charset " , NULL , cupsLangEncoding ( language ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_LANGUAGE ,
" attributes-natural-language " , NULL , language - > language ) ;
ippAddStrings ( request , IPP_TAG_OPERATION , IPP_TAG_NAME ,
" requested-attributes " ,
( sizeof ( jattrs ) / sizeof ( jattrs [ 0 ] ) ) ,
NULL , jattrs ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_URI ,
" printer-uri " , NULL , uri ) ;
/*
* Do the request and get back a response . . .
*/
if ( ( response = cupsDoRequest ( http , request , " / " ) ) = = NULL )
{
DEBUG ( 0 , ( " Unable to get jobs for %s - %s \n " , uri ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
httpClose ( http ) ;
return ( 0 ) ;
}
if ( response - > request . status . status_code > = IPP_OK_CONFLICT )
{
DEBUG ( 0 , ( " Unable to get jobs for %s - %s \n " , uri ,
ippErrorString ( response - > request . status . status_code ) ) ) ;
ippDelete ( response ) ;
httpClose ( http ) ;
return ( 0 ) ;
}
/*
* Process the jobs . . .
*/
qcount = 0 ;
qalloc = 0 ;
queue = NULL ;
for ( attr = response - > attrs ; attr ! = NULL ; attr = attr - > next )
{
/*
* Skip leading attributes until we hit a job . . .
*/
while ( attr ! = NULL & & attr - > group_tag ! = IPP_TAG_JOB )
attr = attr - > next ;
if ( attr = = NULL )
break ;
/*
* Allocate memory as needed . . .
*/
if ( qcount > = qalloc )
{
qalloc + = 16 ;
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temp = Realloc ( queue , sizeof ( print_queue_struct ) * qalloc ) ;
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if ( temp = = NULL )
{
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DEBUG ( 0 , ( " cups_queue_get: Not enough memory! " ) ) ;
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ippDelete ( response ) ;
httpClose ( http ) ;
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free ( queue ) ;
return ( 0 ) ;
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}
queue = temp ;
}
temp = queue + qcount ;
memset ( temp , 0 , sizeof ( print_queue_struct ) ) ;
/*
* Pull the needed attributes from this job . . .
*/
job_id = 0 ;
job_priority = 50 ;
job_status = IPP_JOB_PENDING ;
job_time = 0 ;
job_k_octets = 0 ;
user_name = NULL ;
job_name = NULL ;
while ( attr ! = NULL & & attr - > group_tag = = IPP_TAG_JOB )
{
if ( attr - > name = = NULL )
{
attr = attr - > next ;
break ;
}
if ( strcmp ( attr - > name , " job-id " ) = = 0 & &
attr - > value_tag = = IPP_TAG_INTEGER )
job_id = attr - > values [ 0 ] . integer ;
if ( strcmp ( attr - > name , " job-k-octets " ) = = 0 & &
attr - > value_tag = = IPP_TAG_INTEGER )
job_k_octets = attr - > values [ 0 ] . integer ;
if ( strcmp ( attr - > name , " job-priority " ) = = 0 & &
attr - > value_tag = = IPP_TAG_INTEGER )
job_priority = attr - > values [ 0 ] . integer ;
if ( strcmp ( attr - > name , " job-state " ) = = 0 & &
attr - > value_tag = = IPP_TAG_ENUM )
job_status = ( ipp_jstate_t ) ( attr - > values [ 0 ] . integer ) ;
if ( strcmp ( attr - > name , " time-at-creation " ) = = 0 & &
attr - > value_tag = = IPP_TAG_INTEGER )
job_time = attr - > values [ 0 ] . integer ;
if ( strcmp ( attr - > name , " job-name " ) = = 0 & &
attr - > value_tag = = IPP_TAG_NAME )
job_name = attr - > values [ 0 ] . string . text ;
if ( strcmp ( attr - > name , " job-originating-user-name " ) = = 0 & &
attr - > value_tag = = IPP_TAG_NAME )
user_name = attr - > values [ 0 ] . string . text ;
attr = attr - > next ;
}
/*
* See if we have everything needed . . .
*/
if ( user_name = = NULL | | job_name = = NULL | | job_id = = 0 )
{
if ( attr = = NULL )
break ;
else
continue ;
}
temp - > job = job_id ;
temp - > size = job_k_octets * 1024 ;
temp - > status = job_status = = IPP_JOB_PENDING ? LPQ_QUEUED :
job_status = = IPP_JOB_STOPPED ? LPQ_PAUSED :
job_status = = IPP_JOB_HELD ? LPQ_PAUSED :
LPQ_PRINTING ;
temp - > priority = job_priority ;
temp - > time = job_time ;
strncpy ( temp - > user , user_name , sizeof ( temp - > user ) - 1 ) ;
strncpy ( temp - > file , job_name , sizeof ( temp - > file ) - 1 ) ;
qcount + + ;
if ( attr = = NULL )
break ;
}
ippDelete ( response ) ;
/*
* Build an IPP_GET_PRINTER_ATTRIBUTES request , which requires the
* following attributes :
*
* attributes - charset
* attributes - natural - language
* requested - attributes
* printer - uri
*/
request = ippNew ( ) ;
request - > request . op . operation_id = IPP_GET_PRINTER_ATTRIBUTES ;
request - > request . op . request_id = 1 ;
language = cupsLangDefault ( ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_CHARSET ,
" attributes-charset " , NULL , cupsLangEncoding ( language ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_LANGUAGE ,
" attributes-natural-language " , NULL , language - > language ) ;
ippAddStrings ( request , IPP_TAG_OPERATION , IPP_TAG_NAME ,
" requested-attributes " ,
( sizeof ( pattrs ) / sizeof ( pattrs [ 0 ] ) ) ,
NULL , pattrs ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_URI ,
" printer-uri " , NULL , uri ) ;
/*
* Do the request and get back a response . . .
*/
if ( ( response = cupsDoRequest ( http , request , " / " ) ) = = NULL )
{
DEBUG ( 0 , ( " Unable to get printer status for %s - %s \n " , PRINTERNAME ( snum ) ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
httpClose ( http ) ;
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* q = queue ;
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return ( qcount ) ;
}
if ( response - > request . status . status_code > = IPP_OK_CONFLICT )
{
DEBUG ( 0 , ( " Unable to get printer status for %s - %s \n " , PRINTERNAME ( snum ) ,
ippErrorString ( response - > request . status . status_code ) ) ) ;
ippDelete ( response ) ;
httpClose ( http ) ;
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* q = queue ;
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return ( qcount ) ;
}
/*
* Get the current printer status and convert it to the SAMBA values .
*/
if ( ( attr = ippFindAttribute ( response , " printer-state " , IPP_TAG_ENUM ) ) ! = NULL )
{
if ( attr - > values [ 0 ] . integer = = IPP_PRINTER_STOPPED )
status - > status = LPSTAT_STOPPED ;
else
status - > status = LPSTAT_OK ;
}
if ( ( attr = ippFindAttribute ( response , " printer-state-message " ,
IPP_TAG_TEXT ) ) ! = NULL )
fstrcpy ( status - > message , attr - > values [ 0 ] . string . text ) ;
ippDelete ( response ) ;
/*
* Return the job queue . . .
*/
httpClose ( http ) ;
* q = queue ;
return ( qcount ) ;
}
/*
* ' cups_queue_pause ( ) ' - Pause a print queue .
*/
static int
cups_queue_pause ( int snum )
{
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extern userdom_struct current_user_info ;
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int ret ; /* Return value */
http_t * http ; /* HTTP connection to server */
ipp_t * request , /* IPP Request */
* response ; /* IPP Response */
cups_lang_t * language ; /* Default language */
char uri [ HTTP_MAX_URI ] ; /* printer-uri attribute */
DEBUG ( 5 , ( " cups_queue_pause(%d) \n " , snum ) ) ;
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/*
* Make sure we don ' t ask for passwords . . .
*/
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cupsSetPasswordCB ( cups_passwd_cb ) ;
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/*
* Try to connect to the server . . .
*/
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if ( ( http = httpConnect ( cupsServer ( ) , ippPort ( ) ) ) = = NULL )
{
DEBUG ( 0 , ( " Unable to connect to CUPS server %s - %s \n " ,
cupsServer ( ) , strerror ( errno ) ) ) ;
return ( 1 ) ;
}
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/*
* Build an IPP_PAUSE_PRINTER request , which requires the following
* attributes :
*
* attributes - charset
* attributes - natural - language
* printer - uri
* requesting - user - name
*/
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request = ippNew ( ) ;
request - > request . op . operation_id = IPP_PAUSE_PRINTER ;
request - > request . op . request_id = 1 ;
language = cupsLangDefault ( ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_CHARSET ,
" attributes-charset " , NULL , cupsLangEncoding ( language ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_LANGUAGE ,
" attributes-natural-language " , NULL , language - > language ) ;
slprintf ( uri , sizeof ( uri ) - 1 , " ipp://localhost/printers/%s " ,
PRINTERNAME ( snum ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_URI , " printer-uri " , NULL , uri ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_NAME , " requesting-user-name " ,
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NULL , current_user_info . unix_name ) ;
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/*
* Do the request and get back a response . . .
*/
ret = 1 ;
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if ( ( response = cupsDoRequest ( http , request , " /admin/ " ) ) ! = NULL )
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{
if ( response - > request . status . status_code > = IPP_OK_CONFLICT )
DEBUG ( 0 , ( " Unable to pause printer %s - %s \n " , PRINTERNAME ( snum ) ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
else
ret = 0 ;
ippDelete ( response ) ;
}
else
DEBUG ( 0 , ( " Unable to pause printer %s - %s \n " , PRINTERNAME ( snum ) ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
httpClose ( http ) ;
return ( ret ) ;
}
/*
* ' cups_queue_resume ( ) ' - Restart a print queue .
*/
static int
cups_queue_resume ( int snum )
{
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extern userdom_struct current_user_info ;
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int ret ; /* Return value */
http_t * http ; /* HTTP connection to server */
ipp_t * request , /* IPP Request */
* response ; /* IPP Response */
cups_lang_t * language ; /* Default language */
char uri [ HTTP_MAX_URI ] ; /* printer-uri attribute */
DEBUG ( 5 , ( " cups_queue_resume(%d) \n " , snum ) ) ;
/*
* Make sure we don ' t ask for passwords . . .
*/
cupsSetPasswordCB ( cups_passwd_cb ) ;
/*
* Try to connect to the server . . .
*/
if ( ( http = httpConnect ( cupsServer ( ) , ippPort ( ) ) ) = = NULL )
{
DEBUG ( 0 , ( " Unable to connect to CUPS server %s - %s \n " ,
cupsServer ( ) , strerror ( errno ) ) ) ;
return ( 1 ) ;
}
/*
* Build an IPP_RESUME_PRINTER request , which requires the following
* attributes :
*
* attributes - charset
* attributes - natural - language
* printer - uri
* requesting - user - name
*/
request = ippNew ( ) ;
request - > request . op . operation_id = IPP_RESUME_PRINTER ;
request - > request . op . request_id = 1 ;
language = cupsLangDefault ( ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_CHARSET ,
" attributes-charset " , NULL , cupsLangEncoding ( language ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_LANGUAGE ,
" attributes-natural-language " , NULL , language - > language ) ;
slprintf ( uri , sizeof ( uri ) - 1 , " ipp://localhost/printers/%s " ,
PRINTERNAME ( snum ) ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_URI , " printer-uri " , NULL , uri ) ;
ippAddString ( request , IPP_TAG_OPERATION , IPP_TAG_NAME , " requesting-user-name " ,
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NULL , current_user_info . unix_name ) ;
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/*
* Do the request and get back a response . . .
*/
ret = 1 ;
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if ( ( response = cupsDoRequest ( http , request , " /admin/ " ) ) ! = NULL )
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{
if ( response - > request . status . status_code > = IPP_OK_CONFLICT )
DEBUG ( 0 , ( " Unable to resume printer %s - %s \n " , PRINTERNAME ( snum ) ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
else
ret = 0 ;
ippDelete ( response ) ;
}
else
DEBUG ( 0 , ( " Unable to resume printer %s - %s \n " , PRINTERNAME ( snum ) ,
ippErrorString ( cupsLastError ( ) ) ) ) ;
httpClose ( http ) ;
return ( ret ) ;
}
1999-12-17 04:46:15 +03:00
# else
/* this keeps fussy compilers happy */
void print_cups_dummy ( void ) { }
# endif /* HAVE_LIBCUPS */