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android / platform / external / libcups / 757d2cad8f3f75c420ad2e462b787cd9cf8a7a62 / . / cups / util.c
blob: aea6055a29de7a27c4a6bd4642ff8a0413cf30f7 [file] [log] [blame]
/*
* "$Id: util.c 5235 2006-03-06 13:02:23Z mike $"
*
* Printing utilities for the Common UNIX Printing System (CUPS).
*
* Copyright 1997-2006 by Easy Software Products.
*
* These coded instructions, statements, and computer programs are the
* property of Easy Software Products and are protected by Federal
* copyright law. Distribution and use rights are outlined in the file
* "LICENSE.txt" which should have been included with this file. If this
* file is missing or damaged please contact Easy Software Products
* at:
*
* Attn: CUPS Licensing Information
* Easy Software Products
* 44141 Airport View Drive, Suite 204
* Hollywood, Maryland 20636 USA
*
* Voice: (301) 373-9600
* EMail: [email protected]
* WWW: http://www.cups.org
*
* This file is subject to the Apple OS-Developed Software exception.
*
* Contents:
*
* cupsCancelJob() - Cancel a print job on the default server.
* cupsFreeJobs() - Free memory used by job data.
* cupsGetClasses() - Get a list of printer classes from the default
* server.
* cupsGetDefault() - Get the default printer or class from the default
* server.
* cupsGetDefault2() - Get the default printer or class from the
* specified server.
* cupsGetJobs() - Get the jobs from the default server.
* cupsGetJobs2() - Get the jobs from the specified server.
* cupsGetPPD() - Get the PPD file for a printer on the default
* server.
* cupsGetPPD2() - Get the PPD file for a printer on the specified
* server.
* cupsGetPrinters() - Get a list of printers from the default server.
* cupsLastError() - Return the last IPP status code.
* cupsLastErrorString() - Return the last IPP status-message.
* cupsPrintFile() - Print a file to a printer or class on the default
* server.
* cupsPrintFile2() - Print a file to a printer or class on the
* specified server.
* cupsPrintFiles() - Print one or more files to a printer or class on
* the default server.
* cupsPrintFiles2() - Print one or more files to a printer or class on
* the specified server.
* cups_connect() - Connect to the specified host...
* cups_get_printer_uri() - Get the printer-uri-supported attribute for the
* first printer in a class.
*/
/*
* Include necessary headers...
*/
#include "globals.h"
#include "debug.h"
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#if defined(WIN32) || defined(__EMX__)
# include <io.h>
#else
# include <unistd.h>
#endif /* WIN32 || __EMX__ */
/*
* Local functions...
*/
static char *cups_connect(const char *name, char *printer, char *hostname);
static int cups_get_printer_uri(http_t *http, const char *name,
char *host, int hostsize, int *port,
char *resource, int resourcesize,
int depth);
/*
* 'cupsCancelJob()' - Cancel a print job on the default server.
*
* Use the cupsLastError() and cupsLastErrorString() functions to get
* the cause of any failure.
*/
int /* O - 1 on success, 0 on failure */
cupsCancelJob(const char *name, /* I - Name of printer or class */
int job) /* I - Job ID */
{
char printer[HTTP_MAX_URI], /* Printer name */
hostname[HTTP_MAX_URI], /* Hostname */
uri[HTTP_MAX_URI]; /* Printer URI */
ipp_t *request, /* IPP request */
*response; /* IPP response */
cups_lang_t *language; /* Language info */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
/*
* See if we can connect to the server...
*/
if (!cups_connect(name, printer, hostname))
{
DEBUG_puts("Unable to connect to server!");
return (0);
}
/*
* Create a printer URI...
*/
if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
"localhost", 0, "/printers/%s", printer) != HTTP_URI_OK)
{
_cupsSetError(IPP_INTERNAL_ERROR, NULL);
return (0);
}
/*
* Build an IPP_CANCEL_JOB request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* printer-uri
* job-id
* [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 != NULL ? language->language : "C");
cupsLangFree(language);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, uri);
ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
NULL, cupsUser());
/*
* Do the request...
*/
if ((response = cupsDoRequest(cg->http, request, "/jobs/")) != NULL)
ippDelete(response);
return (cg->last_error < IPP_REDIRECTION_OTHER_SITE);
}
/*
* 'cupsFreeJobs()' - Free memory used by job data.
*/
void
cupsFreeJobs(int num_jobs, /* I - Number of jobs */
cups_job_t *jobs) /* I - Jobs */
{
int i; /* Looping var */
if (num_jobs <= 0 || jobs == NULL)
return;
for (i = 0; i < num_jobs; i ++)
{
free(jobs[i].dest);
free(jobs[i].user);
free(jobs[i].format);
free(jobs[i].title);
}
free(jobs);
}
/*
* 'cupsGetClasses()' - Get a list of printer classes from the default server.
*
* This function is deprecated - use cupsGetDests() instead.
*
* @deprecated@
*/
int /* O - Number of classes */
cupsGetClasses(char ***classes) /* O - Classes */
{
int n; /* Number of classes */
ipp_t *request, /* IPP Request */
*response; /* IPP Response */
ipp_attribute_t *attr; /* Current attribute */
cups_lang_t *language; /* Default language */
char **temp; /* Temporary pointer */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
if (classes == NULL)
{
_cupsSetError(IPP_INTERNAL_ERROR, NULL);
return (0);
}
/*
* Try to connect to the server...
*/
if (!cups_connect("default", NULL, NULL))
{
DEBUG_puts("Unable to connect to server!");
return (0);
}
/*
* Build a CUPS_GET_CLASSES request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* requested-attributes
*/
request = ippNew();
request->request.op.operation_id = CUPS_GET_CLASSES;
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);
cupsLangFree(language);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", NULL, "printer-name");
/*
* Do the request and get back a response...
*/
n = 0;
*classes = NULL;
if ((response = cupsDoRequest(cg->http, request, "/")) != NULL)
{
for (attr = response->attrs; attr != NULL; attr = attr->next)
if (attr->name != NULL &&
strcasecmp(attr->name, "printer-name") == 0 &&
attr->value_tag == IPP_TAG_NAME)
{
if (n == 0)
temp = malloc(sizeof(char *));
else
temp = realloc(*classes, sizeof(char *) * (n + 1));
if (temp == NULL)
{
/*
* Ran out of memory!
*/
while (n > 0)
{
n --;
free((*classes)[n]);
}
free(*classes);
ippDelete(response);
return (0);
}
*classes = temp;
temp[n] = strdup(attr->values[0].string.text);
n ++;
}
ippDelete(response);
}
return (n);
}
/*
* 'cupsGetDefault()' - Get the default printer or class for the default server.
*
* This function returns the default printer or class as defined by
* the LPDEST or PRINTER environment variables. If these environment
* variables are not set, the server default destination is returned.
* Applications should use the cupsGetDests() and cupsGetDest() functions
* to get the user-defined default printer, as this function does not
* support the lpoptions-defined default printer.
*/
const char * /* O - Default printer or NULL */
cupsGetDefault(void)
{
const char *var; /* Environment variable */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
/*
* First see if the LPDEST or PRINTER environment variables are
* set... However, if PRINTER is set to "lp", ignore it to work
* around a "feature" in most Linux distributions - the default
* user login scripts set PRINTER to "lp"...
*/
if ((var = getenv("LPDEST")) != NULL)
return (var);
else if ((var = getenv("PRINTER")) != NULL && strcmp(var, "lp") != 0)
return (var);
/*
* Try to connect to the server...
*/
if (!cups_connect("default", NULL, NULL))
{
DEBUG_puts("Unable to connect to server!");
return (NULL);
}
/*
* Return the default printer...
*/
return (cupsGetDefault2(cg->http));
}
/*
* 'cupsGetDefault2()' - Get the default printer or class for the specified server.
*
* This function returns the default printer or class as defined by
* the LPDEST or PRINTER environment variables. If these environment
* variables are not set, the server default destination is returned.
* Applications should use the cupsGetDests() and cupsGetDest() functions
* to get the user-defined default printer, as this function does not
* support the lpoptions-defined default printer.
*
* @since CUPS 1.1.21@
*/
const char * /* O - Default printer or NULL */
cupsGetDefault2(http_t *http) /* I - HTTP connection */
{
ipp_t *request, /* IPP Request */
*response; /* IPP Response */
ipp_attribute_t *attr; /* Current attribute */
cups_lang_t *language; /* Default language */
const char *var; /* Environment variable */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
/*
* First see if the LPDEST or PRINTER environment variables are
* set... However, if PRINTER is set to "lp", ignore it to work
* around a "feature" in most Linux distributions - the default
* user login scripts set PRINTER to "lp"...
*/
if ((var = getenv("LPDEST")) != NULL)
return (var);
else if ((var = getenv("PRINTER")) != NULL && strcmp(var, "lp") != 0)
return (var);
/*
* Range check input...
*/
if (!http)
return (NULL);
/*
* Build a CUPS_GET_DEFAULT request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
*/
request = ippNew();
request->request.op.operation_id = CUPS_GET_DEFAULT;
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);
cupsLangFree(language);
/*
* Do the request and get back a response...
*/
if ((response = cupsDoRequest(http, request, "/")) != NULL)
{
if ((attr = ippFindAttribute(response, "printer-name", IPP_TAG_NAME)) != NULL)
{
strlcpy(cg->def_printer, attr->values[0].string.text, sizeof(cg->def_printer));
ippDelete(response);
return (cg->def_printer);
}
ippDelete(response);
}
return (NULL);
}
/*
* 'cupsGetJobs()' - Get the jobs from the default server.
*/
int /* O - Number of jobs */
cupsGetJobs(cups_job_t **jobs, /* O - Job data */
const char *mydest, /* I - NULL = all destinations, *
* otherwise show jobs for mydest */
int myjobs, /* I - 0 = all users, 1 = mine */
int completed) /* I - -1 = show all, 0 = active, *
* 1 = completed jobs */
{
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
/*
* Try to connect to the server...
*/
if (!cups_connect("default", NULL, NULL))
{
DEBUG_puts("Unable to connect to server!");
return (-1);
}
/*
* Return the jobs...
*/
return (cupsGetJobs2(cg->http, jobs, mydest, myjobs, completed));
}
/*
* 'cupsGetJobs2()' - Get the jobs from the specified server.
*
* @since CUPS 1.1.21@
*/
int /* O - Number of jobs */
cupsGetJobs2(http_t *http, /* I - HTTP connection */
cups_job_t **jobs, /* O - Job data */
const char *mydest, /* I - NULL = all destinations, *
* otherwise show jobs for mydest */
int myjobs, /* I - 0 = all users, 1 = mine */
int completed) /* I - -1 = show all, 0 = active, *
* 1 = completed jobs */
{
int n; /* Number of jobs */
ipp_t *request, /* IPP Request */
*response; /* IPP Response */
ipp_attribute_t *attr; /* Current attribute */
cups_lang_t *language; /* Default language */
cups_job_t *temp; /* Temporary pointer */
int id, /* job-id */
priority, /* job-priority */
size; /* job-k-octets */
ipp_jstate_t state; /* job-state */
time_t completed_time, /* time-at-completed */
creation_time, /* time-at-creation */
processing_time; /* time-at-processing */
const char *dest, /* job-printer-uri */
*format, /* document-format */
*title, /* job-name */
*user; /* job-originating-user-name */
char uri[HTTP_MAX_URI]; /* URI for jobs */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
static const char * const attrs[] = /* Requested attributes */
{
"job-id",
"job-priority",
"job-k-octets",
"job-state",
"time-at-completed",
"time-at-creation",
"time-at-processing",
"job-printer-uri",
"document-format",
"job-name",
"job-originating-user-name"
};
/*
* Range check input...
*/
if (!http || !jobs)
{
_cupsSetError(IPP_INTERNAL_ERROR, NULL);
return (-1);
}
/*
* Get the right URI...
*/
if (mydest)
{
if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
"localhost", 0, "/printers/%s", mydest) != HTTP_URI_OK)
{
_cupsSetError(IPP_INTERNAL_ERROR, NULL);
return (-1);
}
}
else
strcpy(uri, "ipp://localhost/jobs");
/*
* Build an IPP_GET_JOBS request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* printer-uri
* requesting-user-name
* which-jobs
* my-jobs
* requested-attributes
*/
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);
cupsLangFree(language);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
"printer-uri", NULL, uri);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, cupsUser());
if (myjobs)
ippAddBoolean(request, IPP_TAG_OPERATION, "my-jobs", 1);
if (completed > 0)
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"which-jobs", NULL, "completed");
else if (completed < 0)
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"which-jobs", NULL, "all");
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", sizeof(attrs) / sizeof(attrs[0]),
NULL, attrs);
/*
* Do the request and get back a response...
*/
n = 0;
*jobs = NULL;
if ((response = cupsDoRequest(http, request, "/")) != 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;
/*
* Pull the needed attributes from this job...
*/
id = 0;
size = 0;
priority = 50;
state = IPP_JOB_PENDING;
user = "unknown";
dest = NULL;
format = "application/octet-stream";
title = "untitled";
creation_time = 0;
completed_time = 0;
processing_time = 0;
while (attr != NULL && attr->group_tag == IPP_TAG_JOB)
{
if (strcmp(attr->name, "job-id") == 0 &&
attr->value_tag == IPP_TAG_INTEGER)
id = attr->values[0].integer;
else if (strcmp(attr->name, "job-state") == 0 &&
attr->value_tag == IPP_TAG_ENUM)
state = (ipp_jstate_t)attr->values[0].integer;
else if (strcmp(attr->name, "job-priority") == 0 &&
attr->value_tag == IPP_TAG_INTEGER)
priority = attr->values[0].integer;
else if (strcmp(attr->name, "job-k-octets") == 0 &&
attr->value_tag == IPP_TAG_INTEGER)
size = attr->values[0].integer;
else if (strcmp(attr->name, "time-at-completed") == 0 &&
attr->value_tag == IPP_TAG_INTEGER)
completed_time = attr->values[0].integer;
else if (strcmp(attr->name, "time-at-creation") == 0 &&
attr->value_tag == IPP_TAG_INTEGER)
creation_time = attr->values[0].integer;
else if (strcmp(attr->name, "time-at-processing") == 0 &&
attr->value_tag == IPP_TAG_INTEGER)
processing_time = attr->values[0].integer;
else if (strcmp(attr->name, "job-printer-uri") == 0 &&
attr->value_tag == IPP_TAG_URI)
{
if ((dest = strrchr(attr->values[0].string.text, '/')) != NULL)
dest ++;
}
else if (strcmp(attr->name, "job-originating-user-name") == 0 &&
attr->value_tag == IPP_TAG_NAME)
user = attr->values[0].string.text;
else if (strcmp(attr->name, "document-format") == 0 &&
attr->value_tag == IPP_TAG_MIMETYPE)
format = attr->values[0].string.text;
else if (strcmp(attr->name, "job-name") == 0 &&
(attr->value_tag == IPP_TAG_TEXT ||
attr->value_tag == IPP_TAG_NAME))
title = attr->values[0].string.text;
attr = attr->next;
}
/*
* See if we have everything needed...
*/
if (dest == NULL || id == 0)
{
if (attr == NULL)
break;
else
continue;
}
/*
* Allocate memory for the job...
*/
if (n == 0)
temp = malloc(sizeof(cups_job_t));
else
temp = realloc(*jobs, sizeof(cups_job_t) * (n + 1));
if (temp == NULL)
{
/*
* Ran out of memory!
*/
cupsFreeJobs(n, *jobs);
*jobs = NULL;
ippDelete(response);
return (0);
}
*jobs = temp;
temp += n;
n ++;
/*
* Copy the data over...
*/
temp->dest = strdup(dest);
temp->user = strdup(user);
temp->format = strdup(format);
temp->title = strdup(title);
temp->id = id;
temp->priority = priority;
temp->state = state;
temp->size = size;
temp->completed_time = completed_time;
temp->creation_time = creation_time;
temp->processing_time = processing_time;
if (attr == NULL)
break;
}
ippDelete(response);
}
if (n == 0 && cg->last_error >= IPP_BAD_REQUEST)
return (-1);
else
return (n);
}
/*
* 'cupsGetPPD()' - Get the PPD file for a printer on the default server.
*
* For classes, cupsGetPPD() returns the PPD file for the first printer
* in the class.
*/
const char * /* O - Filename for PPD file */
cupsGetPPD(const char *name) /* I - Printer name */
{
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
/*
* See if we can connect to the server...
*/
if (!cups_connect(name, NULL, NULL))
{
DEBUG_puts("Unable to connect to server!");
return (NULL);
}
/*
* Return the PPD file...
*/
return (cupsGetPPD2(cg->http, name));
}
/*
* 'cupsGetPPD2()' - Get the PPD file for a printer from the specified server.
*
* For classes, cupsGetPPD2() returns the PPD file for the first printer
* in the class.
*
* @since CUPS 1.1.21@
*/
const char * /* O - Filename for PPD file */
cupsGetPPD2(http_t *http, /* I - HTTP connection */
const char *name) /* I - Printer name */
{
int http_port; /* Port number */
http_t *http2; /* Alternate HTTP connection */
int fd; /* PPD file */
char localhost[HTTP_MAX_URI],/* Local hostname */
hostname[HTTP_MAX_URI], /* Hostname */
resource[HTTP_MAX_URI]; /* Resource name */
int port; /* Port number */
http_status_t status; /* HTTP status from server */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
/*
* Range check input...
*/
DEBUG_printf(("cupsGetPPD2(http=%p, name=\"%s\")\n", http,
name ? name : "(null)"));
if (!http || !name)
{
if (!http)
_cupsSetError(IPP_INTERNAL_ERROR, "No HTTP connection!");
else
_cupsSetError(IPP_INTERNAL_ERROR, "No printer name!");
return (NULL);
}
/*
* Try finding a printer URI for this printer...
*/
if (!cups_get_printer_uri(http, name, hostname, sizeof(hostname), &port,
resource, sizeof(resource), 0))
return (NULL);
/*
* Remap local hostname to localhost...
*/
httpGetHostname(NULL, localhost, sizeof(localhost));
if (!strcasecmp(localhost, hostname))
strcpy(hostname, "localhost");
/*
* Get the port number we are connected to...
*/
#ifdef AF_INET6
if (http->hostaddr->addr.sa_family == AF_INET6)
http_port = ntohs(http->hostaddr->ipv6.sin6_port);
else
#endif /* AF_INET6 */
if (http->hostaddr->addr.sa_family == AF_INET)
http_port = ntohs(http->hostaddr->ipv4.sin_port);
else
http_port = ippPort();
/*
* Reconnect to the correct server as needed...
*/
if (!strcasecmp(http->hostname, hostname) && port == http_port)
http2 = http;
else if ((http2 = httpConnectEncrypt(hostname, port,
cupsEncryption())) == NULL)
{
DEBUG_puts("Unable to connect to server!");
return (NULL);
}
/*
* Get a temp file...
*/
if ((fd = cupsTempFd(cg->ppd_filename, sizeof(cg->ppd_filename))) < 0)
{
/*
* Can't open file; close the server connection and return NULL...
*/
_cupsSetError(IPP_INTERNAL_ERROR, strerror(errno));
if (http2 != http)
httpClose(http2);
return (NULL);
}
/*
* And send a request to the HTTP server...
*/
strlcat(resource, ".ppd", sizeof(resource));
status = cupsGetFd(http2, resource, fd);
close(fd);
if (http2 != http)
httpClose(http2);
/*
* See if we actually got the file or an error...
*/
if (status != HTTP_OK)
{
switch (status)
{
case HTTP_NOT_FOUND :
_cupsSetError(IPP_NOT_FOUND, httpStatus(status));
break;
case HTTP_UNAUTHORIZED :
_cupsSetError(IPP_NOT_AUTHORIZED, httpStatus(status));
break;
default :
DEBUG_printf(("HTTP error %d mapped to IPP_SERVICE_UNAVAILABLE!\n",
status));
_cupsSetError(IPP_SERVICE_UNAVAILABLE, httpStatus(status));
break;
}
unlink(cg->ppd_filename);
return (NULL);
}
/*
* Return the PPD file...
*/
return (cg->ppd_filename);
}
/*
* 'cupsGetPrinters()' - Get a list of printers from the default server.
*
* This function is deprecated - use cupsGetDests() instead.
*
* @deprecated@
*/
int /* O - Number of printers */
cupsGetPrinters(char ***printers) /* O - Printers */
{
int n; /* Number of printers */
ipp_t *request, /* IPP Request */
*response; /* IPP Response */
ipp_attribute_t *attr; /* Current attribute */
cups_lang_t *language; /* Default language */
char **temp; /* Temporary pointer */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
if (printers == NULL)
{
_cupsSetError(IPP_INTERNAL_ERROR, NULL);
return (0);
}
/*
* Try to connect to the server...
*/
if (!cups_connect("default", NULL, NULL))
{
DEBUG_puts("Unable to connect to server!");
return (0);
}
/*
* 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);
cupsLangFree(language);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", NULL, "printer-name");
ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM,
"printer-type", 0);
ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM,
"printer-type-mask", CUPS_PRINTER_CLASS);
/*
* Do the request and get back a response...
*/
n = 0;
*printers = NULL;
if ((response = cupsDoRequest(cg->http, request, "/")) != NULL)
{
for (attr = response->attrs; attr != NULL; attr = attr->next)
if (attr->name != NULL &&
strcasecmp(attr->name, "printer-name") == 0 &&
attr->value_tag == IPP_TAG_NAME)
{
if (n == 0)
temp = malloc(sizeof(char *));
else
temp = realloc(*printers, sizeof(char *) * (n + 1));
if (temp == NULL)
{
/*
* Ran out of memory!
*/
while (n > 0)
{
n --;
free((*printers)[n]);
}
free(*printers);
ippDelete(response);
return (0);
}
*printers = temp;
temp[n] = strdup(attr->values[0].string.text);
n ++;
}
ippDelete(response);
}
return (n);
}
/*
* 'cupsLastError()' - Return the last IPP status code.
*/
ipp_status_t /* O - IPP status code from last request */
cupsLastError(void)
{
return (_cupsGlobals()->last_error);
}
/*
* 'cupsLastErrorString()' - Return the last IPP status-message.
*
* @since CUPS 1.2@
*/
const char * /* O - status-message text from last request */
cupsLastErrorString(void)
{
return (_cupsGlobals()->last_status_message);
}
/*
* 'cupsPrintFile()' - Print a file to a printer or class on the default server.
*/
int /* O - Job ID */
cupsPrintFile(const char *name, /* I - Printer or class name */
const char *filename, /* I - File to print */
const char *title, /* I - Title of job */
int num_options,/* I - Number of options */
cups_option_t *options) /* I - Options */
{
DEBUG_printf(("cupsPrintFile(name=\"%s\", filename=\"%s\", "
"title=\"%s\", num_options=%d, options=%p)\n",
name, filename, title, num_options, options));
return (cupsPrintFiles(name, 1, &filename, title, num_options, options));
}
/*
* 'cupsPrintFile2()' - Print a file to a printer or class on the specified server.
*
* @since CUPS 1.1.21@
*/
int /* O - Job ID */
cupsPrintFile2(http_t *http, /* I - HTTP connection */
const char *name, /* I - Printer or class name */
const char *filename, /* I - File to print */
const char *title, /* I - Title of job */
int num_options,
/* I - Number of options */
cups_option_t *options) /* I - Options */
{
DEBUG_printf(("cupsPrintFile2(http=%p, name=\"%s\", filename=\"%s\", "
"title=\"%s\", num_options=%d, options=%p)\n",
http, name, filename, title, num_options, options));
return (cupsPrintFiles2(http, name, 1, &filename, title, num_options, options));
}
/*
* 'cupsPrintFiles()' - Print one or more files to a printer or class on the
* default server.
*/
int /* O - Job ID */
cupsPrintFiles(const char *name, /* I - Printer or class name */
int num_files, /* I - Number of files */
const char **files, /* I - File(s) to print */
const char *title, /* I - Title of job */
int num_options,
/* I - Number of options */
cups_option_t *options) /* I - Options */
{
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
DEBUG_printf(("cupsPrintFiles(name=\"%s\", num_files=%d, "
"files=%p, title=\"%s\", num_options=%d, options=%p)\n",
name, num_files, files, title, num_options, options));
/*
* Setup a connection and request data...
*/
if (!cups_connect(name, NULL, NULL))
{
DEBUG_printf(("cupsPrintFiles: Unable to open connection - %s.\n",
strerror(errno)));
DEBUG_puts("Unable to connect to server!");
return (0);
}
/*
* Print the file(s)...
*/
return (cupsPrintFiles2(cg->http, name, num_files, files, title,
num_options, options));
}
/*
* 'cupsPrintFiles2()' - Print one or more files to a printer or class on the
* specified server.
*
* @since CUPS 1.1.21@
*/
int /* O - Job ID */
cupsPrintFiles2(http_t *http, /* I - HTTP connection */
const char *name, /* I - Printer or class name */
int num_files,/* I - Number of files */
const char **files, /* I - File(s) to print */
const char *title, /* I - Title of job */
int num_options,
/* I - Number of options */
cups_option_t *options) /* I - Options */
{
int i; /* Looping var */
const char *val; /* Pointer to option value */
ipp_t *request; /* IPP request */
ipp_t *response; /* IPP response */
ipp_attribute_t *attr; /* IPP job-id attribute */
char uri[HTTP_MAX_URI]; /* Printer URI */
cups_lang_t *language; /* Language to use */
int jobid; /* New job ID */
const char *base; /* Basename of current filename */
DEBUG_printf(("cupsPrintFiles(http=%p, name=\"%s\", num_files=%d, "
"files=%p, title=\"%s\", num_options=%d, options=%p)\n",
http, name, num_files, files, title, num_options, options));
/*
* Range check input...
*/
if (!http || !name || num_files < 1 || files == NULL)
{
_cupsSetError(IPP_INTERNAL_ERROR, NULL);
return (0);
}
/*
* Setup the printer URI...
*/
if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
"localhost", 0, "/printers/%s", name) != HTTP_URI_OK)
{
_cupsSetError(IPP_INTERNAL_ERROR, NULL);
return (0);
}
/*
* Setup the request data...
*/
language = cupsLangDefault();
/*
* Build a standard CUPS URI for the printer and fill the standard IPP
* attributes...
*/
if ((request = ippNew()) == NULL)
{
_cupsSetError(IPP_INTERNAL_ERROR, NULL);
return (0);
}
request->request.op.operation_id = num_files == 1 ? IPP_PRINT_JOB :
IPP_CREATE_JOB;
request->request.op.request_id = 1;
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 != NULL ? language->language : "C");
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, uri);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
NULL, cupsUser());
if (title)
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
title);
/*
* Then add all options...
*/
cupsEncodeOptions(request, num_options, options);
/*
* Do the request...
*/
snprintf(uri, sizeof(uri), "/printers/%s", name);
if (num_files == 1)
response = cupsDoFileRequest(http, request, uri, *files);
else
response = cupsDoRequest(http, request, uri);
if (response == NULL)
jobid = 0;
else if (response->request.status.status_code > IPP_OK_CONFLICT)
{
DEBUG_printf(("IPP response code was 0x%x!\n",
response->request.status.status_code));
jobid = 0;
}
else if ((attr = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER)) == NULL)
{
DEBUG_puts("No job ID!");
_cupsSetError(IPP_INTERNAL_ERROR, NULL);
jobid = 0;
}
else
jobid = attr->values[0].integer;
if (response != NULL)
ippDelete(response);
/*
* Handle multiple file jobs if the create-job operation worked...
*/
if (jobid > 0 && num_files > 1)
for (i = 0; i < num_files; i ++)
{
/*
* Build a standard CUPS URI for the job and fill the standard IPP
* attributes...
*/
if ((request = ippNew()) == NULL)
return (0);
request->request.op.operation_id = IPP_SEND_DOCUMENT;
request->request.op.request_id = 1;
snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", jobid);
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 != NULL ? language->language : "C");
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
NULL, uri);
/*
* Handle raw print files...
*/
if (cupsGetOption("raw", num_options, options))
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
"document-format", NULL, "application/vnd.cups-raw");
else if ((val = cupsGetOption("document-format", num_options,
options)) != NULL)
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
"document-format", NULL, val);
else
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
"document-format", NULL, "application/octet-stream");
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, cupsUser());
/*
* Add the original document filename...
*/
if ((base = strrchr(files[i], '/')) != NULL)
base ++;
else
base = files[i];
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "document-name",
NULL, base);
/*
* Is this the last document?
*/
if (i == (num_files - 1))
ippAddBoolean(request, IPP_TAG_OPERATION, "last-document", 1);
/*
* Send the file...
*/
snprintf(uri, sizeof(uri), "/printers/%s", name);
if ((response = cupsDoFileRequest(http, request, uri,
files[i])) != NULL)
ippDelete(response);
}
cupsLangFree(language);
return (jobid);
}
/*
* 'cups_connect()' - Connect to the specified host...
*/
static char * /* I - Printer name or NULL */
cups_connect(const char *name, /* I - Destination (printer[@host]) */
char *printer, /* O - Printer name [HTTP_MAX_URI] */
char *hostname) /* O - Hostname [HTTP_MAX_URI] */
{
char hostbuf[HTTP_MAX_URI]; /* Name of host */
_cups_globals_t *cg = _cupsGlobals();/* Pointer to library globals */
DEBUG_printf(("cups_connect(\"%s\", %p, %p)\n", name, printer, hostname));
if (name == NULL)
{
_cupsSetError(IPP_BAD_REQUEST, NULL);
return (NULL);
}
/*
* All jobs are now queued to cupsServer() to avoid hostname
* resolution problems and to ensure that the user sees all
* locally queued jobs locally.
*/
strlcpy(hostbuf, cupsServer(), sizeof(hostbuf));
if (hostname != NULL)
strlcpy(hostname, hostbuf, HTTP_MAX_URI);
else
hostname = hostbuf;
if (printer != NULL)
strlcpy(printer, name, HTTP_MAX_URI);
else
printer = (char *)name;
if (cg->http != NULL)
{
if (!strcasecmp(cg->http->hostname, hostname))
return (printer);
httpClose(cg->http);
}
DEBUG_printf(("connecting to %s on port %d...\n", hostname, ippPort()));
if ((cg->http = httpConnectEncrypt(hostname, ippPort(),
cupsEncryption())) == NULL)
{
DEBUG_puts("Unable to connect to server!");
_cupsSetError(IPP_SERVICE_UNAVAILABLE, strerror(errno));
return (NULL);
}
else
return (printer);
}
/*
* 'cups_get_printer_uri()' - Get the printer-uri-supported attribute for the first printer in a class.
*/
static int /* O - 1 on success, 0 on failure */
cups_get_printer_uri(
http_t *http, /* I - HTTP connection */
const char *name, /* I - Name of printer or class */
char *host, /* I - Hostname buffer */
int hostsize, /* I - Size of hostname buffer */
int *port, /* O - Port number */
char *resource, /* I - Resource buffer */
int resourcesize, /* I - Size of resource buffer */
int depth) /* I - Depth of query */
{
int i; /* Looping var */
int http_port; /* Port number */
http_t *http2; /* Alternate HTTP connection */
ipp_t *request, /* IPP request */
*response; /* IPP response */
ipp_attribute_t *attr; /* Current attribute */
char uri[HTTP_MAX_URI], /* printer-uri attribute */
scheme[HTTP_MAX_URI], /* Scheme name */
username[HTTP_MAX_URI], /* Username:password */
classname[255]; /* Temporary class name */
static const char * const requested_attrs[] =
{ /* Requested attributes */
"printer-uri-supported",
"printer-type",
"member-uris"
};
DEBUG_printf(("cups_get_printer_uri(http=%p, name=\"%s\", host=%p, "
"hostsize=%d, resource=%p, resourcesize=%d, depth=%d)\n",
http, name ? name : "(null)", host, hostsize,
resource, resourcesize, depth));
/*
* Setup the printer URI...
*/
if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
"localhost", 0, "/printers/%s", name) != HTTP_URI_OK)
{
_cupsSetError(IPP_INTERNAL_ERROR, "Unable to create printer-uri!");
*host = '\0';
*resource = '\0';
return (0);
}
DEBUG_printf(("cups_get_printer_uri: printer-uri=\"%s\"\n", uri));
/*
* Get the port number we are connected to...
*/
#ifdef AF_INET6
if (http->hostaddr->addr.sa_family == AF_INET6)
http_port = ntohs(http->hostaddr->ipv6.sin6_port);
else
#endif /* AF_INET6 */
if (http->hostaddr->addr.sa_family == AF_INET)
http_port = ntohs(http->hostaddr->ipv4.sin_port);
else
http_port = ippPort();
/*
* Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* printer-uri
* requested-attributes
*/
request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, uri);
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requested-attributes",
sizeof(requested_attrs) / sizeof(requested_attrs[0]),
NULL, requested_attrs);
/*
* Do the request and get back a response...
*/
if ((response = cupsDoRequest(http, request, "/")) != NULL)
{
if ((attr = ippFindAttribute(response, "member-uris", IPP_TAG_URI)) != NULL)
{
/*
* Get the first actual printer name in the class...
*/
for (i = 0; i < attr->num_values; i ++)
{
httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[i].string.text,
scheme, sizeof(scheme), username, sizeof(username),
host, hostsize, port, resource, resourcesize);
if (!strncmp(resource, "/printers/", 10))
{
/*
* Found a printer!
*/
ippDelete(response);
return (1);
}
}
/*
* No printers in this class - try recursively looking for a printer,
* but not more than 3 levels deep...
*/
if (depth < 3)
{
for (i = 0; i < attr->num_values; i ++)
{
httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[i].string.text,
scheme, sizeof(scheme), username, sizeof(username),
host, hostsize, port, resource, resourcesize);
if (!strncmp(resource, "/classes/", 9))
{
/*
* Found a class! Connect to the right server...
*/
if (!strcasecmp(http->hostname, host) && *port == http_port)
http2 = http;
else if ((http2 = httpConnectEncrypt(host, *port,
cupsEncryption())) == NULL)
{
DEBUG_puts("Unable to connect to server!");
continue;
}
/*
* Look up printers on that server...
*/
strlcpy(classname, resource + 9, sizeof(classname));
cups_get_printer_uri(http2, classname, host, hostsize, port,
resource, resourcesize, depth + 1);
/*
* Close the connection as needed...
*/
if (http2 != http)
httpClose(http2);
if (*host)
return (1);
}
}
}
}
else if ((attr = ippFindAttribute(response, "printer-uri-supported",
IPP_TAG_URI)) != NULL)
{
httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[0].string.text,
scheme, sizeof(scheme), username, sizeof(username),
host, hostsize, port, resource, resourcesize);
ippDelete(response);
return (1);
}
ippDelete(response);
}
_cupsSetError(IPP_INTERNAL_ERROR, "No printer-uri found!");
*host = '\0';
*resource = '\0';
return (0);
}
/*
* End of "$Id: util.c 5235 2006-03-06 13:02:23Z mike $".
*/