+++ /dev/null
-/*
- * $Id: print_cups.c,v 1.6 2010-01-26 20:43:11 didg Exp $
- *
- * Copyright 2004 Bjoern Fernhomberg.
- *
- * Some code copied or adapted from print_cups.c for samba
- * Copyright 1999-2003 by Michael R Sweet.
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif /* HAVE_CONFIG_H */
-
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#include <sys/types.h>
-#include <sys/param.h>
-#include <errno.h>
-
-
-#ifdef HAVE_CUPS
-
-#include <cups/cups.h>
-#include <cups/language.h>
-#include <atalk/unicode.h>
-#include <atalk/logger.h>
-#include <atalk/atp.h>
-#include <atalk/pap.h>
-#include <atalk/util.h>
-
-#include "printer.h"
-#include "print_cups.h"
-
-#define MAXCHOOSERLEN 31
-#define HTTP_MAX_URI 1024
-
-static const char* cups_status_msg[] = {
- "status: busy; info: \"%s\" is rejecting jobs; ",
- "status: idle; info: \"%s\" is stopped, accepting jobs ;",
- "status: idle; info: \"%s\" is ready ; ",
-};
-
-/* Local functions */
-static int convert_to_mac_name ( const char *encoding, char * inptr, char * outptr, size_t outlen);
-static size_t to_ascii ( char *inbuf, char **outbuf);
-static int cups_mangle_printer_name ( struct printer *pr, struct printer *printers);
-static void cups_free_printer ( struct printer *pr);
-
-
-const char * cups_get_language (void)
-{
- cups_lang_t *language;
-
- language = cupsLangDefault(); /* needed for conversion */
- return cupsLangEncoding(language);
-}
-
-/*
- * 'cups_passwd_cb()' - The CUPS password callback...
- */
-
-static const char * /* O - Password or NULL */
-cups_passwd_cb(const char *prompt _U_) /* I - Prompt */
-{
- /*
- * Always return NULL to indicate that no password is available...
- */
- return (NULL);
-}
-
-
-/*
- * 'cups_printername_ok()' - Verify supplied printer name is a valid cups printer
- */
-
-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 */
-
- /*
- * Make sure we don't ask for passwords...
- */
-
- cupsSetPasswordCB(cups_passwd_cb);
-
- /*
- * Try to connect to the server...
- */
-
- if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
- {
- LOG(log_error, logtype_papd, "Unable to connect to CUPS server %s - %s",
- 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");
-
- sprintf(uri, "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)
- {
- LOG(log_error, logtype_papd, "Unable to get printer status for %s - %s", name,
- ippErrorString(cupsLastError()));
- httpClose(http);
- return (0);
- }
-
- httpClose(http);
-
- if (response->request.status.status_code >= IPP_OK_CONFLICT)
- {
- LOG(log_error, logtype_papd, "Unable to get printer status for %s - %s", name,
- ippErrorString(response->request.status.status_code));
- ippDelete(response);
- return (0);
- }
- else
- {
- ippDelete(response);
- return (1);
- }
-
- return (0);
-}
-
-const char *
-cups_get_printer_ppd ( char * name)
-{
- cupsSetPasswordCB(cups_passwd_cb);
- return cupsGetPPD( name );
-}
-
-int
-cups_get_printer_status (struct printer *pr)
-{
-
- 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 status = -1;
-
- static const char *pattrs[] = /* Requested printer attributes */
- {
- "printer-state",
- "printer-state-message",
- "printer-is-accepting-jobs"
- };
-
- /*
- * Make sure we don't ask for passwords...
- */
-
- cupsSetPasswordCB(cups_passwd_cb);
-
- /*
- * Try to connect to the server...
- */
-
- if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
- {
- LOG(log_error, logtype_papd, "Unable to connect to CUPS server %s - %s",
- cupsServer(), strerror(errno));
- return (0);
- }
-
- /*
- * Generate the printer URI...
- */
-
- sprintf(uri, "ipp://localhost/printers/%s", pr->p_printer);
-
-
-
- /*
- * 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)
- {
- LOG(log_error, logtype_papd, "Unable to get printer status for %s - %s", pr->p_printer,
- ippErrorString(cupsLastError()));
- httpClose(http);
- return (0);
- }
-
- if (response->request.status.status_code >= IPP_OK_CONFLICT)
- {
- LOG(log_error, logtype_papd, "Unable to get printer status for %s - %s", pr->p_printer,
- ippErrorString(response->request.status.status_code));
- ippDelete(response);
- httpClose(http);
- return (0);
- }
-
- /*
- * Get the current printer status and convert it to the status values.
- */
-
- memset ( pr->p_status, 0 ,sizeof(pr->p_status));
-
- if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL)
- {
- if (attr->values[0].integer == IPP_PRINTER_STOPPED)
- status = 1;
- else if (attr->values[0].integer == IPP_NOT_ACCEPTING)
- status = 0;
- else
- status = 2;
- }
-
- if ((attr = ippFindAttribute(response, "printer-is-accepting-jobs", IPP_TAG_BOOLEAN)) != NULL)
- {
- if ( attr->values[0].integer == 0 )
- status = 0;
- }
-
- snprintf ( pr->p_status, 255, cups_status_msg[status], pr->p_printer );
-
- if ((attr = ippFindAttribute(response, "printer-state-message", IPP_TAG_TEXT)) != NULL)
- strncat ( pr->p_status, attr->values[0].string.text, 255-strlen(pr->p_status));
-
- ippDelete(response);
-
- /*
- * Return the print status ...
- */
-
- httpClose(http);
-
- return (status);
-}
-
-
-/*------------------------------------------------------------------------*/
-
-/* pass the job to cups */
-
-int cups_print_job ( char * name, char *filename, char *job, char *username, char * cupsoptions )
-{
- int jobid;
- char filepath[MAXPATHLEN];
- int num_options;
- cups_option_t *options;
-
- /* Initialize the options array */
- num_options = 0;
- options = (cups_option_t *)0;
-
- cupsSetPasswordCB(cups_passwd_cb);
-
- if ( username != NULL )
- {
- /* Add options using cupsAddOption() */
- num_options = cupsAddOption("job-originating-user-name", username, num_options, &options);
- num_options = cupsAddOption("originating-user-name", username, num_options, &options);
- cupsSetUser ( username );
- }
-
- if (cupsoptions != NULL)
- {
- num_options = cupsParseOptions(cupsoptions, num_options, &options);
- }
-
- strlcpy ( filepath, SPOOLDIR, sizeof(filepath));
- strlcat ( filepath , "/", sizeof(filepath));
- strlcat ( filepath , filename, sizeof(filepath));
-
- if ((jobid = cupsPrintFile( name, filepath, job, 0, options)) == 0)
- LOG(log_error, logtype_papd, "Unable to print job '%s' (%s) to printer '%s' for user '%s' - CUPS error : '%s'", job, filepath, name, username, ippErrorString(cupsLastError()));
- else
- LOG(log_info, logtype_papd, "Job '%s' queued to printer '%s' with id '%d'", job, name, jobid);
-
- cupsFreeOptions(num_options, options);
- return (jobid);
-}
-
-
-/*------------------------------------------------------------------------*/
-
-struct printer *
-cups_autoadd_printers ( struct printer *defprinter, struct printer *printers)
-{
- struct printer *pr;
- int num_dests,i;
- int ret;
- cups_dest_t *dests;
- cups_lang_t *language;
- char name[MAXCHOOSERLEN+1], *p;
-
- language = cupsLangDefault(); /* needed for conversion */
- num_dests = cupsGetDests(&dests); /* get the available destination from CUPS */
-
- for (i=0; i< num_dests; i++)
- {
- if (( pr = (struct printer *)malloc( sizeof( struct printer ))) == NULL ) {
- LOG(log_error, logtype_papd, "malloc: %s", strerror(errno) );
- exit( 1 );
- }
-
- memcpy( pr, defprinter, sizeof( struct printer ) );
-
- /* convert from CUPS to local encoding */
- convert_string_allocate( add_charset(cupsLangEncoding(language)), CH_UNIX,
- dests[i].name, -1, &pr->p_u_name);
-
- /* convert CUPS name to Mac charset */
- if ( convert_to_mac_name ( cupsLangEncoding(language), dests[i].name, name, sizeof(name)) <= 0)
- {
- LOG (log_error, logtype_papd, "Conversion from CUPS to MAC name failed for %s", dests[i].name);
- free (pr);
- continue;
- }
-
- if (( pr->p_name = (char *)malloc( strlen( name ) + 1 )) == NULL ) {
- LOG(log_error, logtype_papd, "malloc: %s", strerror(errno) );
- exit( 1 );
- }
- strcpy( pr->p_name, name );
-
- /* set printer flags */
- pr->p_flags &= ~P_PIPED;
- pr->p_flags |= P_SPOOLED;
- pr->p_flags |= P_CUPS;
- pr->p_flags |= P_CUPS_AUTOADDED;
-
- if (( pr->p_printer = (char *)malloc( strlen( dests[i].name ) + 1 )) == NULL ) {
- LOG(log_error, logtype_papd, "malloc: %s", strerror(errno) );
- exit( 1 );
- }
- strcpy( pr->p_printer, dests[i].name );
-
- if ( (p = (char *) cups_get_printer_ppd ( pr->p_printer )) != NULL ) {
- if (( pr->p_ppdfile = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
- LOG(log_error, logtype_papd, "malloc: %s", strerror(errno) );
- exit( 1 );
- }
- strcpy( pr->p_ppdfile, p );
- pr->p_flags |= P_CUPS_PPD;
- }
-
- if ( (ret = cups_check_printer ( pr, printers, 0)) == -1)
- ret = cups_mangle_printer_name ( pr, printers );
-
- if (ret) {
- cups_free_printer (pr);
- LOG(log_info, logtype_papd, "Printer %s not added: reason %d", name, ret);
- }
- else {
- pr->p_next = printers;
- printers = pr;
- }
- }
-
- cupsFreeDests(num_dests, dests);
- cupsLangFree(language);
-
- return printers;
-}
-
-
-/*------------------------------------------------------------------------*/
-
-/* cups_mangle_printer_name
- * Mangles the printer name if two CUPS printer provide the same Chooser Name
- * Append '#nn' to the chooser name, if it is longer than 28 char we overwrite the last three chars
- * Returns: 0 on Success, 2 on Error
- */
-
-static int cups_mangle_printer_name ( struct printer *pr, struct printer *printers)
-{
- size_t count, name_len;
- char name[MAXCHOOSERLEN];
-
- count = 1;
- name_len = strlen (pr->p_name);
- strncpy ( name, pr->p_name, MAXCHOOSERLEN-3);
-
- /* Reallocate necessary space */
- (name_len >= MAXCHOOSERLEN-3) ? (name_len = MAXCHOOSERLEN+1) : (name_len = name_len + 4);
- pr->p_name = (char *) realloc (pr->p_name, name_len );
-
- while ( ( cups_check_printer ( pr, printers, 0 )) && count < 100)
- {
- memset ( pr->p_name, 0, name_len);
- strncpy ( pr->p_name, name, MAXCHOOSERLEN-3);
- sprintf ( pr->p_name, "%s#%2.2u", pr->p_name, count++);
- }
-
- if ( count > 99)
- return (2);
-
- return (0);
-}
-
-/*------------------------------------------------------------------------*/
-
-/* fallback ASCII conversion */
-
-static size_t
-to_ascii ( char *inptr, char **outptr)
-{
- char *out, *osav;
-
- if ( NULL == (out = (char*) malloc ( strlen ( inptr) + 1 )) ) {
- LOG(log_error, logtype_papd, "malloc: %s", strerror(errno) );
- exit (1);
- }
-
- osav = out;
-
- while ( *inptr != '\0' ) {
- if ( *inptr & 0x80 ) {
- *out = '_';
- out++;
- inptr++;
- }
- else
- *out++ = *inptr++;
- }
- *out = '\0';
- *outptr = osav;
- return ( strlen (osav) );
-}
-
-
-/*------------------------------------------------------------------------*/
-
-/* convert_to_mac_name
- * 1) Convert from encoding to MacRoman
- * 2) Shorten to MAXCHOOSERLEN (31)
- * 3) Replace @ and _ as they are illegal
- * Returns: -1 on failure, length of name on success; outpr contains name in MacRoman
- */
-
-static int convert_to_mac_name ( const char * encoding, char * inptr, char * outptr, size_t outlen)
-{
- char *outbuf;
- char *soptr;
- size_t name_len = 0;
- size_t i;
- charset_t chCups;
-
- /* Change the encoding */
- if ((charset_t)-1 != (chCups = add_charset(encoding))) {
- name_len = convert_string_allocate( chCups, CH_MAC, inptr, -1, &outbuf);
- }
-
- if (name_len == 0 || name_len == (size_t)-1) {
- /* charset conversion failed, use ascii fallback */
- name_len = to_ascii ( inptr, &outbuf );
- }
-
- soptr = outptr;
-
- for ( i=0; i< name_len && i < outlen-1 ; i++)
- {
- if ( outbuf[i] == '_' )
- *soptr = ' '; /* Replace '_' with a space (just for the looks) */
- else if ( outbuf[i] == '@' || outbuf[i] == ':' )
- *soptr = '_'; /* Replace @ and : with '_' as they are illegal chars */
- else
- *soptr = outbuf[i];
- soptr++;
- }
- *soptr = '\0';
- free (outbuf);
- return (i);
-}
-
-
-/*------------------------------------------------------------------------*/
-
-/*
- * cups_check_printer:
- * check if a printer with this name already exists.
- * if yes, and replace = 1 the existing printer is replaced with
- * the new one. This allows to overwrite printer settings
- * created by cupsautoadd. It also used by cups_mangle_printer.
- */
-
-int cups_check_printer ( struct printer *pr, struct printer *printers, int replace)
-{
- struct printer *listptr, *listprev;
-
- listptr = printers;
- listprev = NULL;
-
- while ( listptr != NULL) {
- if ( strcasecmp (pr->p_name, listptr->p_name) == 0) {
- if ( pr->p_flags & P_CUPS_AUTOADDED ) { /* Check if printer has been autoadded */
- if ( listptr->p_flags & P_CUPS_AUTOADDED )
- return (-1); /* Conflicting Cups Auto Printer (mangling issue?) */
- else
- return (1); /* Never replace a hand edited printer with auto one */
- }
-
- if ( replace ) {
- /* Replace printer */
- if ( listprev != NULL) {
- pr->p_next = listptr->p_next;
- listprev->p_next = pr;
- cups_free_printer (listptr);
- }
- else {
- printers = pr;
- printers->p_next = listptr->p_next;
- cups_free_printer (listptr);
- }
- }
- return (1); /* Conflicting Printers */
- }
- listprev = listptr;
- listptr = listptr->p_next;
- }
- return (0); /* No conflict */
-}
-
-
-/*------------------------------------------------------------------------*/
-
-
-void
-cups_free_printer ( struct printer *pr)
-{
- if ( pr->p_name != NULL)
- free (pr->p_name);
- if ( pr->p_printer != NULL)
- free (pr->p_printer);
- if ( pr->p_ppdfile != NULL)
- free (pr->p_ppdfile);
-
- /* CUPS autoadded printers share the other informations
- * so if the printer is autoadded we won't free them.
- * We might leak some bytes here though.
- */
- if ( pr->p_flags & P_CUPS_AUTOADDED ) {
- free (pr);
- return;
- }
-
- if ( pr->p_operator != NULL )
- free (pr->p_operator);
- if ( pr->p_zone != NULL )
- free (pr->p_zone);
- if ( pr->p_type != NULL )
- free (pr->p_type);
- if ( pr->p_authprintdir != NULL )
- free (pr->p_authprintdir);
-
- free ( pr );
- return;
-
-}
-
-#endif /* HAVE_CUPS*/
projects / netatalk.git / blobdiff