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samba-mirror/source3/printing/print_cups.c

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/*
* Support code for the Common UNIX Printing System ("CUPS")
*
* Copyright 1999-2001 by Easy Software Products
*
* 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 02139, USA.
*/
#include "printing.h"
#include "smb.h"
#ifdef HAVE_LIBCUPS
#include <cups/cups.h>
#include <cups/language.h>
/*
* 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,
};
extern int DEBUGLEVEL;
/*
* '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);
}
/*
* 'cups_printer_fn()' - Call a function for every printer known to the
* system.
*/
void
cups_printer_fn(void (*fn)(char *, char *)) /* I - Function to call */
{
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 */
*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...
*/
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;
}
/*
* Build a CUPS_GET_PRINTERS request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* requested-attributes
*/
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);
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requested-attributes",
(sizeof(requested) / sizeof(requested[0])),
NULL, requested);
/*
* Do the request and get back a response...
*/
if ((response = cupsDoRequest(http, request, "/")) == NULL)
{
DEBUG(0,("Unable to get printer list - %s\n",
ippErrorString(cupsLastError())));
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;
info = NULL;
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;
if (strcmp(attr->name, "printer-info") == 0 &&
attr->value_tag == IPP_TAG_TEXT)
info = attr->values[0].string.text;
attr = attr->next;
}
/*
* See if we have everything needed...
*/
if (name == NULL)
break;
if (info == NULL || !info[0])
(*fn)(name, make_model);
else
(*fn)(name,info);
}
ippDelete(response);
httpClose(http);
}
/*
* 'cups_printername_ok()' - Provide the equivalent of pcap_printername_ok()
* for CUPS.
*/
int /* O - 1 if printer name OK */
cups_printername_ok(char *name) /* I - Name of printer */
{
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_printername_ok(\"%s\")\n", name));
/*
* 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);
}
/*
* Build an IPP_GET_PRINTER_ATTRS 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);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requested-attributes", NULL, "printer-uri");
slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s", name);
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", name,
ippErrorString(cupsLastError())));
httpClose(http);
return (0);
}
httpClose(http);
if (response->request.status.status_code >= IPP_OK_CONFLICT)
{
DEBUG(0,("Unable to get printer status for %s - %s\n", name,
ippErrorString(response->request.status.status_code)));
ippDelete(response);
return (0);
}
else
{
ippDelete(response);
return (1);
}
}
/*
* '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",
NULL, pjob->user);
/*
* 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",
NULL, pjob->user);
/*
* 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",
NULL, pjob->user);
/*
* 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",
NULL, pjob->user);
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;
if (qalloc == 16)
temp = malloc(sizeof(print_queue_struct) * qalloc);
else
temp = realloc(queue, sizeof(print_queue_struct) * qalloc);
if (temp == NULL)
{
ippDelete(response);
httpClose(http);
return (qcount);
}
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);
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);
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)
{
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));
/*
* 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_PAUSE_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_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",
NULL, pjob->user);
/*
* Do the request and get back a response...
*/
ret = 1;
if ((response = cupsDoRequest(http, request, "/admin")) != NULL)
{
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)
{
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",
NULL, pjob->user);
/*
* Do the request and get back a response...
*/
ret = 1;
if ((response = cupsDoRequest(http, request, "/admin")) != NULL)
{
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);
}
#else
/* this keeps fussy compilers happy */
void print_cups_dummy(void) {}
#endif /* HAVE_LIBCUPS */