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ff577762b9
Callers of pcap_cache_replace() assume the existing printcap cache is replaced by the new values provided. This is not currently the case, old entries should be removed.
1840 lines
43 KiB
C
1840 lines
43 KiB
C
/*
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* Support code for the Common UNIX Printing System ("CUPS")
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*
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* Copyright 1999-2003 by Michael R Sweet.
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* Copyright 2008 Jeremy Allison.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* JRA. Converted to utf8 pull/push.
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*/
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#include "includes.h"
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#include "printing.h"
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#include "printing/pcap.h"
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#ifdef HAVE_CUPS
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#include <cups/cups.h>
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#include <cups/language.h>
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static SIG_ATOMIC_T gotalarm;
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/***************************************************************
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Signal function to tell us we timed out.
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****************************************************************/
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static void gotalarm_sig(int signum)
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{
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gotalarm = 1;
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}
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extern userdom_struct current_user_info;
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/*
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* 'cups_passwd_cb()' - The CUPS password callback...
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*/
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static const char * /* O - Password or NULL */
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cups_passwd_cb(const char *prompt) /* I - Prompt */
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{
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/*
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* Always return NULL to indicate that no password is available...
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*/
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return (NULL);
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}
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static http_t *cups_connect(TALLOC_CTX *frame)
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{
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http_t *http = NULL;
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char *server = NULL, *p = NULL;
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int port;
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int timeout = lp_cups_connection_timeout();
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size_t size;
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if (lp_cups_server() != NULL && strlen(lp_cups_server()) > 0) {
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if (!push_utf8_talloc(frame, &server, lp_cups_server(), &size)) {
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return NULL;
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}
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} else {
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server = talloc_strdup(frame,cupsServer());
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}
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if (!server) {
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return NULL;
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}
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p = strchr(server, ':');
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if (p) {
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port = atoi(p+1);
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*p = '\0';
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} else {
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port = ippPort();
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}
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DEBUG(10, ("connecting to cups server %s:%d\n",
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server, port));
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gotalarm = 0;
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if (timeout) {
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CatchSignal(SIGALRM, gotalarm_sig);
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alarm(timeout);
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}
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#ifdef HAVE_HTTPCONNECTENCRYPT
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http = httpConnectEncrypt(server, port, lp_cups_encrypt());
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#else
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http = httpConnect(server, port);
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#endif
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CatchSignal(SIGALRM, SIG_IGN);
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alarm(0);
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if (http == NULL) {
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DEBUG(0,("Unable to connect to CUPS server %s:%d - %s\n",
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server, port, strerror(errno)));
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}
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return http;
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}
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static void send_pcap_info(const char *name, const char *info, void *pd)
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{
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int fd = *(int *)pd;
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size_t namelen = name ? strlen(name)+1 : 0;
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size_t infolen = info ? strlen(info)+1 : 0;
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DEBUG(11,("send_pcap_info: writing namelen %u\n", (unsigned int)namelen));
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if (sys_write(fd, &namelen, sizeof(namelen)) != sizeof(namelen)) {
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DEBUG(10,("send_pcap_info: namelen write failed %s\n",
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strerror(errno)));
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return;
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}
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DEBUG(11,("send_pcap_info: writing infolen %u\n", (unsigned int)infolen));
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if (sys_write(fd, &infolen, sizeof(infolen)) != sizeof(infolen)) {
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DEBUG(10,("send_pcap_info: infolen write failed %s\n",
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strerror(errno)));
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return;
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}
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if (namelen) {
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DEBUG(11,("send_pcap_info: writing name %s\n", name));
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if (sys_write(fd, name, namelen) != namelen) {
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DEBUG(10,("send_pcap_info: name write failed %s\n",
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strerror(errno)));
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return;
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}
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}
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if (infolen) {
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DEBUG(11,("send_pcap_info: writing info %s\n", info));
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if (sys_write(fd, info, infolen) != infolen) {
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DEBUG(10,("send_pcap_info: info write failed %s\n",
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strerror(errno)));
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return;
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}
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}
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}
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static bool cups_cache_reload_async(int fd)
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{
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TALLOC_CTX *frame = talloc_stackframe();
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struct pcap_cache *tmp_pcap_cache = NULL;
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http_t *http = NULL; /* HTTP connection to server */
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ipp_t *request = NULL, /* IPP Request */
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*response = NULL; /* IPP Response */
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ipp_attribute_t *attr; /* Current attribute */
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cups_lang_t *language = NULL; /* Default language */
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char *name, /* printer-name attribute */
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*info; /* printer-info attribute */
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static const char *requested[] =/* Requested attributes */
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{
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"printer-name",
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"printer-info"
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};
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bool ret = False;
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size_t size;
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DEBUG(5, ("reloading cups printcap cache\n"));
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/*
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* Make sure we don't ask for passwords...
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*/
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cupsSetPasswordCB(cups_passwd_cb);
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/*
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* Try to connect to the server...
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*/
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if ((http = cups_connect(frame)) == NULL) {
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goto out;
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}
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/*
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* Build a CUPS_GET_PRINTERS request, which requires the following
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* attributes:
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*
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* attributes-charset
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* attributes-natural-language
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* requested-attributes
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*/
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request = ippNew();
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request->request.op.operation_id = CUPS_GET_PRINTERS;
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request->request.op.request_id = 1;
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language = cupsLangDefault();
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ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
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"attributes-charset", NULL, "utf-8");
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ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
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"attributes-natural-language", NULL, language->language);
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ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
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"requested-attributes",
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(sizeof(requested) / sizeof(requested[0])),
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NULL, requested);
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/*
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* Do the request and get back a response...
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*/
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if ((response = cupsDoRequest(http, request, "/")) == NULL) {
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DEBUG(0,("Unable to get printer list - %s\n",
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ippErrorString(cupsLastError())));
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goto out;
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}
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for (attr = response->attrs; attr != NULL;) {
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/*
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* Skip leading attributes until we hit a printer...
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*/
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while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
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attr = attr->next;
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if (attr == NULL)
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break;
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/*
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* Pull the needed attributes from this printer...
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*/
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name = NULL;
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info = NULL;
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while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER) {
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if (strcmp(attr->name, "printer-name") == 0 &&
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attr->value_tag == IPP_TAG_NAME) {
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if (!pull_utf8_talloc(frame,
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&name,
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attr->values[0].string.text,
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&size)) {
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goto out;
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}
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}
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if (strcmp(attr->name, "printer-info") == 0 &&
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attr->value_tag == IPP_TAG_TEXT) {
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if (!pull_utf8_talloc(frame,
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&info,
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attr->values[0].string.text,
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&size)) {
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goto out;
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}
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}
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attr = attr->next;
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}
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/*
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* See if we have everything needed...
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*/
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if (name == NULL)
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break;
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if (!pcap_cache_add_specific(&tmp_pcap_cache, name, info)) {
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goto out;
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}
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}
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ippDelete(response);
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response = NULL;
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/*
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* Build a CUPS_GET_CLASSES request, which requires the following
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* attributes:
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*
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* attributes-charset
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* attributes-natural-language
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* requested-attributes
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*/
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request = ippNew();
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request->request.op.operation_id = CUPS_GET_CLASSES;
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request->request.op.request_id = 1;
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ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
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"attributes-charset", NULL, "utf-8");
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ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
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"attributes-natural-language", NULL, language->language);
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ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
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"requested-attributes",
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(sizeof(requested) / sizeof(requested[0])),
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NULL, requested);
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/*
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* Do the request and get back a response...
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*/
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if ((response = cupsDoRequest(http, request, "/")) == NULL) {
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DEBUG(0,("Unable to get printer list - %s\n",
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ippErrorString(cupsLastError())));
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goto out;
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}
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for (attr = response->attrs; attr != NULL;) {
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/*
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* Skip leading attributes until we hit a printer...
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*/
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while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
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attr = attr->next;
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if (attr == NULL)
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break;
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/*
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* Pull the needed attributes from this printer...
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*/
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name = NULL;
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info = NULL;
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while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER) {
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if (strcmp(attr->name, "printer-name") == 0 &&
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attr->value_tag == IPP_TAG_NAME) {
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if (!pull_utf8_talloc(frame,
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&name,
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attr->values[0].string.text,
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&size)) {
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goto out;
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}
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}
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if (strcmp(attr->name, "printer-info") == 0 &&
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attr->value_tag == IPP_TAG_TEXT) {
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if (!pull_utf8_talloc(frame,
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&info,
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attr->values[0].string.text,
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&size)) {
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goto out;
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}
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}
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attr = attr->next;
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}
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/*
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* See if we have everything needed...
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*/
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if (name == NULL)
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break;
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if (!pcap_cache_add_specific(&tmp_pcap_cache, name, info)) {
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goto out;
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}
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}
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ret = True;
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out:
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if (response)
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ippDelete(response);
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if (language)
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cupsLangFree(language);
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if (http)
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httpClose(http);
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/* Send all the entries up the pipe. */
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if (tmp_pcap_cache) {
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pcap_printer_fn_specific(tmp_pcap_cache,
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send_pcap_info,
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(void *)&fd);
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pcap_cache_destroy_specific(&tmp_pcap_cache);
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}
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TALLOC_FREE(frame);
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return ret;
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}
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static struct pcap_cache *local_pcap_copy;
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struct fd_event *cache_fd_event;
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static bool cups_pcap_load_async(struct tevent_context *ev,
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struct messaging_context *msg_ctx,
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int *pfd)
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{
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int fds[2];
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pid_t pid;
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NTSTATUS status;
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*pfd = -1;
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if (cache_fd_event) {
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DEBUG(3,("cups_pcap_load_async: already waiting for "
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"a refresh event\n" ));
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return false;
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}
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DEBUG(5,("cups_pcap_load_async: asynchronously loading cups printers\n"));
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if (pipe(fds) == -1) {
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return false;
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}
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pid = sys_fork();
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if (pid == (pid_t)-1) {
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DEBUG(10,("cups_pcap_load_async: fork failed %s\n",
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strerror(errno) ));
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close(fds[0]);
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close(fds[1]);
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return false;
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}
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if (pid) {
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DEBUG(10,("cups_pcap_load_async: child pid = %u\n",
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(unsigned int)pid ));
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/* Parent. */
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close(fds[1]);
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*pfd = fds[0];
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return true;
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}
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/* Child. */
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close_all_print_db();
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status = reinit_after_fork(msg_ctx, ev, procid_self(), true);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0,("cups_pcap_load_async: reinit_after_fork() failed\n"));
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smb_panic("cups_pcap_load_async: reinit_after_fork() failed");
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}
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close(fds[0]);
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cups_cache_reload_async(fds[1]);
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close(fds[1]);
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_exit(0);
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}
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struct cups_async_cb_args {
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int pipe_fd;
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struct event_context *event_ctx;
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struct messaging_context *msg_ctx;
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void (*post_cache_fill_fn)(struct event_context *,
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struct messaging_context *);
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};
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static void cups_async_callback(struct event_context *event_ctx,
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struct fd_event *event,
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uint16 flags,
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void *p)
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{
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TALLOC_CTX *frame = talloc_stackframe();
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struct cups_async_cb_args *cb_args = (struct cups_async_cb_args *)p;
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int fd = cb_args->pipe_fd;
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struct pcap_cache *tmp_pcap_cache = NULL;
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DEBUG(5,("cups_async_callback: callback received for printer data. "
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"fd = %d\n", fd));
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|
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while (1) {
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char *name = NULL, *info = NULL;
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size_t namelen = 0, infolen = 0;
|
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ssize_t ret = -1;
|
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ret = sys_read(fd, &namelen, sizeof(namelen));
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if (ret == 0) {
|
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/* EOF */
|
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break;
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}
|
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if (ret != sizeof(namelen)) {
|
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DEBUG(10,("cups_async_callback: namelen read failed %d %s\n",
|
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errno, strerror(errno)));
|
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break;
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}
|
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|
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DEBUG(11,("cups_async_callback: read namelen %u\n",
|
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(unsigned int)namelen));
|
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ret = sys_read(fd, &infolen, sizeof(infolen));
|
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if (ret == 0) {
|
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/* EOF */
|
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break;
|
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}
|
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if (ret != sizeof(infolen)) {
|
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DEBUG(10,("cups_async_callback: infolen read failed %s\n",
|
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strerror(errno)));
|
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break;
|
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}
|
|
|
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DEBUG(11,("cups_async_callback: read infolen %u\n",
|
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(unsigned int)infolen));
|
|
|
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if (namelen) {
|
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name = TALLOC_ARRAY(frame, char, namelen);
|
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if (!name) {
|
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break;
|
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}
|
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ret = sys_read(fd, name, namelen);
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if (ret == 0) {
|
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/* EOF */
|
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break;
|
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}
|
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if (ret != namelen) {
|
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DEBUG(10,("cups_async_callback: name read failed %s\n",
|
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strerror(errno)));
|
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break;
|
|
}
|
|
DEBUG(11,("cups_async_callback: read name %s\n",
|
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name));
|
|
} else {
|
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name = NULL;
|
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}
|
|
if (infolen) {
|
|
info = TALLOC_ARRAY(frame, char, infolen);
|
|
if (!info) {
|
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break;
|
|
}
|
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ret = sys_read(fd, info, infolen);
|
|
if (ret == 0) {
|
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/* EOF */
|
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break;
|
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}
|
|
if (ret != infolen) {
|
|
DEBUG(10,("cups_async_callback: info read failed %s\n",
|
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strerror(errno)));
|
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break;
|
|
}
|
|
DEBUG(11,("cups_async_callback: read info %s\n",
|
|
info));
|
|
} else {
|
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info = NULL;
|
|
}
|
|
|
|
/* Add to our local pcap cache. */
|
|
pcap_cache_add_specific(&tmp_pcap_cache, name, info);
|
|
TALLOC_FREE(name);
|
|
TALLOC_FREE(info);
|
|
}
|
|
|
|
TALLOC_FREE(frame);
|
|
if (tmp_pcap_cache) {
|
|
bool ret;
|
|
/* We got a namelist, replace our local cache. */
|
|
pcap_cache_destroy_specific(&local_pcap_copy);
|
|
local_pcap_copy = tmp_pcap_cache;
|
|
|
|
/* And the systemwide pcap cache. */
|
|
ret = pcap_cache_replace(local_pcap_copy);
|
|
if (!ret)
|
|
DEBUG(0, ("failed to replace pcap cache\n"));
|
|
|
|
/* Caller may have requested post cache fill callback */
|
|
if (ret && cb_args->post_cache_fill_fn != NULL) {
|
|
cb_args->post_cache_fill_fn(cb_args->event_ctx,
|
|
cb_args->msg_ctx);
|
|
}
|
|
} else {
|
|
DEBUG(2,("cups_async_callback: failed to read a new "
|
|
"printer list\n"));
|
|
}
|
|
close(fd);
|
|
TALLOC_FREE(cb_args);
|
|
TALLOC_FREE(cache_fd_event);
|
|
}
|
|
|
|
bool cups_cache_reload(struct tevent_context *ev,
|
|
struct messaging_context *msg_ctx,
|
|
void (*post_cache_fill_fn)(struct tevent_context *,
|
|
struct messaging_context *))
|
|
{
|
|
struct cups_async_cb_args *cb_args;
|
|
int *p_pipe_fd;
|
|
|
|
cb_args = TALLOC_P(NULL, struct cups_async_cb_args);
|
|
if (cb_args == NULL) {
|
|
return false;
|
|
}
|
|
|
|
cb_args->post_cache_fill_fn = post_cache_fill_fn;
|
|
cb_args->event_ctx = ev;
|
|
cb_args->msg_ctx = msg_ctx;
|
|
p_pipe_fd = &cb_args->pipe_fd;
|
|
*p_pipe_fd = -1;
|
|
|
|
/* Set up an async refresh. */
|
|
if (!cups_pcap_load_async(ev, msg_ctx, p_pipe_fd)) {
|
|
talloc_free(cb_args);
|
|
return false;
|
|
}
|
|
if (!local_pcap_copy) {
|
|
/* We have no local cache, wait directly for
|
|
* async refresh to complete.
|
|
*/
|
|
DEBUG(10,("cups_cache_reload: sync read on fd %d\n",
|
|
*p_pipe_fd ));
|
|
|
|
cups_async_callback(ev, NULL,
|
|
EVENT_FD_READ,
|
|
(void *)cb_args);
|
|
if (!local_pcap_copy) {
|
|
return false;
|
|
}
|
|
} else {
|
|
DEBUG(10,("cups_cache_reload: async read on fd %d\n",
|
|
*p_pipe_fd ));
|
|
|
|
/* Trigger an event when the pipe can be read. */
|
|
cache_fd_event = event_add_fd(ev,
|
|
NULL, *p_pipe_fd,
|
|
EVENT_FD_READ,
|
|
cups_async_callback,
|
|
(void *)cb_args);
|
|
if (!cache_fd_event) {
|
|
close(*p_pipe_fd);
|
|
TALLOC_FREE(cb_args);
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* 'cups_job_delete()' - Delete a job.
|
|
*/
|
|
|
|
static int cups_job_delete(const char *sharename, const char *lprm_command, struct printjob *pjob)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
int ret = 1; /* Return value */
|
|
http_t *http = NULL; /* HTTP connection to server */
|
|
ipp_t *request = NULL, /* IPP Request */
|
|
*response = NULL; /* IPP Response */
|
|
cups_lang_t *language = NULL; /* Default language */
|
|
char *user = NULL;
|
|
char uri[HTTP_MAX_URI]; /* printer-uri attribute */
|
|
size_t size;
|
|
|
|
DEBUG(5,("cups_job_delete(%s, %p (%d))\n", sharename, pjob, pjob->sysjob));
|
|
|
|
/*
|
|
* Make sure we don't ask for passwords...
|
|
*/
|
|
|
|
cupsSetPasswordCB(cups_passwd_cb);
|
|
|
|
/*
|
|
* Try to connect to the server...
|
|
*/
|
|
|
|
if ((http = cups_connect(frame)) == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* 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, "utf-8");
|
|
|
|
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);
|
|
|
|
if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
|
|
goto out;
|
|
}
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
|
|
NULL, user);
|
|
|
|
/*
|
|
* Do the request and get back a response...
|
|
*/
|
|
|
|
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;
|
|
}
|
|
} else {
|
|
DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
|
|
ippErrorString(cupsLastError())));
|
|
}
|
|
|
|
out:
|
|
if (response)
|
|
ippDelete(response);
|
|
|
|
if (language)
|
|
cupsLangFree(language);
|
|
|
|
if (http)
|
|
httpClose(http);
|
|
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
* 'cups_job_pause()' - Pause a job.
|
|
*/
|
|
|
|
static int cups_job_pause(int snum, struct printjob *pjob)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
int ret = 1; /* Return value */
|
|
http_t *http = NULL; /* HTTP connection to server */
|
|
ipp_t *request = NULL, /* IPP Request */
|
|
*response = NULL; /* IPP Response */
|
|
cups_lang_t *language = NULL; /* Default language */
|
|
char *user = NULL;
|
|
char uri[HTTP_MAX_URI]; /* printer-uri attribute */
|
|
size_t size;
|
|
|
|
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 = cups_connect(frame)) == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* 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, "utf-8");
|
|
|
|
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);
|
|
|
|
if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
|
|
goto out;
|
|
}
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
|
|
NULL, user);
|
|
|
|
/*
|
|
* Do the request and get back a response...
|
|
*/
|
|
|
|
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;
|
|
}
|
|
} else {
|
|
DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
|
|
ippErrorString(cupsLastError())));
|
|
}
|
|
|
|
out:
|
|
if (response)
|
|
ippDelete(response);
|
|
|
|
if (language)
|
|
cupsLangFree(language);
|
|
|
|
if (http)
|
|
httpClose(http);
|
|
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
* 'cups_job_resume()' - Resume a paused job.
|
|
*/
|
|
|
|
static int cups_job_resume(int snum, struct printjob *pjob)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
int ret = 1; /* Return value */
|
|
http_t *http = NULL; /* HTTP connection to server */
|
|
ipp_t *request = NULL, /* IPP Request */
|
|
*response = NULL; /* IPP Response */
|
|
cups_lang_t *language = NULL; /* Default language */
|
|
char *user = NULL;
|
|
char uri[HTTP_MAX_URI]; /* printer-uri attribute */
|
|
size_t size;
|
|
|
|
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 = cups_connect(frame)) == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* 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, "utf-8");
|
|
|
|
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);
|
|
|
|
if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
|
|
goto out;
|
|
}
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
|
|
NULL, user);
|
|
|
|
/*
|
|
* Do the request and get back a response...
|
|
*/
|
|
|
|
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;
|
|
}
|
|
} else {
|
|
DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
|
|
ippErrorString(cupsLastError())));
|
|
}
|
|
|
|
out:
|
|
if (response)
|
|
ippDelete(response);
|
|
|
|
if (language)
|
|
cupsLangFree(language);
|
|
|
|
if (http)
|
|
httpClose(http);
|
|
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
* 'cups_job_submit()' - Submit a job for printing.
|
|
*/
|
|
|
|
static int cups_job_submit(int snum, struct printjob *pjob)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
int ret = 1; /* Return value */
|
|
http_t *http = NULL; /* HTTP connection to server */
|
|
ipp_t *request = NULL, /* IPP Request */
|
|
*response = NULL; /* IPP Response */
|
|
ipp_attribute_t *attr_job_id = NULL; /* IPP Attribute "job-id" */
|
|
cups_lang_t *language = NULL; /* Default language */
|
|
char uri[HTTP_MAX_URI]; /* printer-uri attribute */
|
|
char *new_jobname = NULL;
|
|
int num_options = 0;
|
|
cups_option_t *options = NULL;
|
|
char *printername = NULL;
|
|
char *user = NULL;
|
|
char *jobname = NULL;
|
|
char *cupsoptions = NULL;
|
|
char *filename = NULL;
|
|
size_t size;
|
|
uint32_t jobid = (uint32_t)-1;
|
|
|
|
DEBUG(5,("cups_job_submit(%d, %p)\n", snum, pjob));
|
|
|
|
/*
|
|
* Make sure we don't ask for passwords...
|
|
*/
|
|
|
|
cupsSetPasswordCB(cups_passwd_cb);
|
|
|
|
/*
|
|
* Try to connect to the server...
|
|
*/
|
|
|
|
if ((http = cups_connect(frame)) == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* 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, "utf-8");
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
|
|
"attributes-natural-language", NULL, language->language);
|
|
|
|
if (!push_utf8_talloc(frame, &printername, lp_printername(snum),
|
|
&size)) {
|
|
goto out;
|
|
}
|
|
slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
|
|
printername);
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
|
|
"printer-uri", NULL, uri);
|
|
|
|
if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
|
|
goto out;
|
|
}
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
|
|
NULL, user);
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
|
|
"job-originating-host-name", NULL,
|
|
pjob->clientmachine);
|
|
|
|
/* Get the jobid from the filename. */
|
|
jobid = print_parse_jobid(pjob->filename);
|
|
if (jobid == (uint32_t)-1) {
|
|
DEBUG(0,("cups_job_submit: failed to parse jobid from name %s\n",
|
|
pjob->filename ));
|
|
jobid = 0;
|
|
}
|
|
|
|
if (!push_utf8_talloc(frame, &jobname, pjob->jobname, &size)) {
|
|
goto out;
|
|
}
|
|
new_jobname = talloc_asprintf(frame,
|
|
"%s%.8u %s", PRINT_SPOOL_PREFIX,
|
|
(unsigned int)jobid,
|
|
jobname);
|
|
if (new_jobname == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
|
|
new_jobname);
|
|
|
|
/*
|
|
* add any options defined in smb.conf
|
|
*/
|
|
|
|
if (!push_utf8_talloc(frame, &cupsoptions, lp_cups_options(snum), &size)) {
|
|
goto out;
|
|
}
|
|
num_options = 0;
|
|
options = NULL;
|
|
num_options = cupsParseOptions(cupsoptions, num_options, &options);
|
|
|
|
if ( num_options )
|
|
cupsEncodeOptions(request, num_options, options);
|
|
|
|
/*
|
|
* Do the request and get back a response...
|
|
*/
|
|
|
|
slprintf(uri, sizeof(uri) - 1, "/printers/%s", printername);
|
|
|
|
if (!push_utf8_talloc(frame, &filename, pjob->filename, &size)) {
|
|
goto out;
|
|
}
|
|
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",
|
|
lp_printername(snum),
|
|
ippErrorString(cupsLastError())));
|
|
} else {
|
|
ret = 0;
|
|
attr_job_id = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER);
|
|
if(attr_job_id) {
|
|
pjob->sysjob = attr_job_id->values[0].integer;
|
|
DEBUG(5,("cups_job_submit: job-id %d\n", pjob->sysjob));
|
|
} else {
|
|
DEBUG(0,("Missing job-id attribute in IPP response"));
|
|
}
|
|
}
|
|
} else {
|
|
DEBUG(0,("Unable to print file to `%s' - %s\n",
|
|
lp_printername(snum),
|
|
ippErrorString(cupsLastError())));
|
|
}
|
|
|
|
if ( ret == 0 )
|
|
unlink(pjob->filename);
|
|
/* else print_job_end will do it for us */
|
|
|
|
out:
|
|
if (response)
|
|
ippDelete(response);
|
|
|
|
if (language)
|
|
cupsLangFree(language);
|
|
|
|
if (http)
|
|
httpClose(http);
|
|
|
|
TALLOC_FREE(frame);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* 'cups_queue_get()' - Get all the jobs in the print queue.
|
|
*/
|
|
|
|
static int cups_queue_get(const char *sharename,
|
|
enum printing_types printing_type,
|
|
char *lpq_command,
|
|
print_queue_struct **q,
|
|
print_status_struct *status)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
char *printername = NULL;
|
|
http_t *http = NULL; /* HTTP connection to server */
|
|
ipp_t *request = NULL, /* IPP Request */
|
|
*response = NULL; /* IPP Response */
|
|
ipp_attribute_t *attr = NULL; /* Current attribute */
|
|
cups_lang_t *language = NULL; /* Default language */
|
|
char uri[HTTP_MAX_URI]; /* printer-uri attribute */
|
|
int qcount = 0, /* Number of active queue entries */
|
|
qalloc = 0; /* Number of queue entries allocated */
|
|
print_queue_struct *queue = NULL, /* Queue entries */
|
|
*temp; /* Temporary pointer for queue */
|
|
char *user_name = NULL, /* job-originating-user-name attribute */
|
|
*job_name = NULL; /* 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 */
|
|
size_t size;
|
|
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"
|
|
};
|
|
|
|
*q = NULL;
|
|
|
|
/* HACK ALERT!!! The problem with support the 'printer name'
|
|
option is that we key the tdb off the sharename. So we will
|
|
overload the lpq_command string to pass in the printername
|
|
(which is basically what we do for non-cups printers ... using
|
|
the lpq_command to get the queue listing). */
|
|
|
|
if (!push_utf8_talloc(frame, &printername, lpq_command, &size)) {
|
|
goto out;
|
|
}
|
|
DEBUG(5,("cups_queue_get(%s, %p, %p)\n", lpq_command, q, status));
|
|
|
|
/*
|
|
* Make sure we don't ask for passwords...
|
|
*/
|
|
|
|
cupsSetPasswordCB(cups_passwd_cb);
|
|
|
|
/*
|
|
* Try to connect to the server...
|
|
*/
|
|
|
|
if ((http = cups_connect(frame)) == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Generate the printer URI...
|
|
*/
|
|
|
|
slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s", printername);
|
|
|
|
/*
|
|
* 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, "utf-8");
|
|
|
|
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())));
|
|
goto out;
|
|
}
|
|
|
|
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)));
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* 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;
|
|
|
|
queue = SMB_REALLOC_ARRAY(queue, print_queue_struct, qalloc);
|
|
|
|
if (queue == NULL) {
|
|
DEBUG(0,("cups_queue_get: Not enough memory!"));
|
|
qcount = 0;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
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) {
|
|
if (!pull_utf8_talloc(frame,
|
|
&job_name,
|
|
attr->values[0].string.text,
|
|
&size)) {
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (strcmp(attr->name, "job-originating-user-name") == 0 &&
|
|
attr->value_tag == IPP_TAG_NAME) {
|
|
if (!pull_utf8_talloc(frame,
|
|
&user_name,
|
|
attr->values[0].string.text,
|
|
&size)) {
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
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;
|
|
strlcpy(temp->fs_user, user_name, sizeof(temp->fs_user));
|
|
strlcpy(temp->fs_file, job_name, sizeof(temp->fs_file));
|
|
|
|
qcount ++;
|
|
|
|
if (attr == NULL)
|
|
break;
|
|
}
|
|
|
|
ippDelete(response);
|
|
response = NULL;
|
|
|
|
/*
|
|
* 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;
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
|
|
"attributes-charset", NULL, "utf-8");
|
|
|
|
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,
|
|
ippErrorString(cupsLastError())));
|
|
goto out;
|
|
}
|
|
|
|
if (response->request.status.status_code >= IPP_OK_CONFLICT) {
|
|
DEBUG(0,("Unable to get printer status for %s - %s\n", printername,
|
|
ippErrorString(response->request.status.status_code)));
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* 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) {
|
|
char *msg = NULL;
|
|
if (!pull_utf8_talloc(frame, &msg,
|
|
attr->values[0].string.text,
|
|
&size)) {
|
|
SAFE_FREE(queue);
|
|
qcount = 0;
|
|
goto out;
|
|
}
|
|
fstrcpy(status->message, msg);
|
|
}
|
|
|
|
out:
|
|
|
|
/*
|
|
* Return the job queue...
|
|
*/
|
|
|
|
*q = queue;
|
|
|
|
if (response)
|
|
ippDelete(response);
|
|
|
|
if (language)
|
|
cupsLangFree(language);
|
|
|
|
if (http)
|
|
httpClose(http);
|
|
|
|
TALLOC_FREE(frame);
|
|
return qcount;
|
|
}
|
|
|
|
|
|
/*
|
|
* 'cups_queue_pause()' - Pause a print queue.
|
|
*/
|
|
|
|
static int cups_queue_pause(int snum)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
int ret = 1; /* Return value */
|
|
http_t *http = NULL; /* HTTP connection to server */
|
|
ipp_t *request = NULL, /* IPP Request */
|
|
*response = NULL; /* IPP Response */
|
|
cups_lang_t *language = NULL; /* Default language */
|
|
char *printername = NULL;
|
|
char *username = NULL;
|
|
char uri[HTTP_MAX_URI]; /* printer-uri attribute */
|
|
size_t size;
|
|
|
|
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 = cups_connect(frame)) == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* 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, "utf-8");
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
|
|
"attributes-natural-language", NULL, language->language);
|
|
|
|
if (!push_utf8_talloc(frame, &printername, lp_printername(snum),
|
|
&size)) {
|
|
goto out;
|
|
}
|
|
slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
|
|
printername);
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
|
|
|
|
if (!push_utf8_talloc(frame, &username, current_user_info.unix_name, &size)) {
|
|
goto out;
|
|
}
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
|
|
NULL, username);
|
|
|
|
/*
|
|
* Do the request and get back a response...
|
|
*/
|
|
|
|
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",
|
|
lp_printername(snum),
|
|
ippErrorString(cupsLastError())));
|
|
} else {
|
|
ret = 0;
|
|
}
|
|
} else {
|
|
DEBUG(0,("Unable to pause printer %s - %s\n",
|
|
lp_printername(snum),
|
|
ippErrorString(cupsLastError())));
|
|
}
|
|
|
|
out:
|
|
if (response)
|
|
ippDelete(response);
|
|
|
|
if (language)
|
|
cupsLangFree(language);
|
|
|
|
if (http)
|
|
httpClose(http);
|
|
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
* 'cups_queue_resume()' - Restart a print queue.
|
|
*/
|
|
|
|
static int cups_queue_resume(int snum)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
int ret = 1; /* Return value */
|
|
http_t *http = NULL; /* HTTP connection to server */
|
|
ipp_t *request = NULL, /* IPP Request */
|
|
*response = NULL; /* IPP Response */
|
|
cups_lang_t *language = NULL; /* Default language */
|
|
char *printername = NULL;
|
|
char *username = NULL;
|
|
char uri[HTTP_MAX_URI]; /* printer-uri attribute */
|
|
size_t size;
|
|
|
|
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 = cups_connect(frame)) == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* 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, "utf-8");
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
|
|
"attributes-natural-language", NULL, language->language);
|
|
|
|
if (!push_utf8_talloc(frame, &printername, lp_printername(snum),
|
|
&size)) {
|
|
goto out;
|
|
}
|
|
slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
|
|
printername);
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
|
|
|
|
if (!push_utf8_talloc(frame, &username, current_user_info.unix_name, &size)) {
|
|
goto out;
|
|
}
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
|
|
NULL, username);
|
|
|
|
/*
|
|
* Do the request and get back a response...
|
|
*/
|
|
|
|
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",
|
|
lp_printername(snum),
|
|
ippErrorString(cupsLastError())));
|
|
} else {
|
|
ret = 0;
|
|
}
|
|
} else {
|
|
DEBUG(0,("Unable to resume printer %s - %s\n",
|
|
lp_printername(snum),
|
|
ippErrorString(cupsLastError())));
|
|
}
|
|
|
|
out:
|
|
if (response)
|
|
ippDelete(response);
|
|
|
|
if (language)
|
|
cupsLangFree(language);
|
|
|
|
if (http)
|
|
httpClose(http);
|
|
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
/*******************************************************************
|
|
* CUPS printing interface definitions...
|
|
******************************************************************/
|
|
|
|
struct printif cups_printif =
|
|
{
|
|
PRINT_CUPS,
|
|
cups_queue_get,
|
|
cups_queue_pause,
|
|
cups_queue_resume,
|
|
cups_job_delete,
|
|
cups_job_pause,
|
|
cups_job_resume,
|
|
cups_job_submit,
|
|
};
|
|
|
|
bool cups_pull_comment_location(TALLOC_CTX *mem_ctx,
|
|
const char *printername,
|
|
char **comment,
|
|
char **location)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
http_t *http = NULL; /* HTTP connection to server */
|
|
ipp_t *request = NULL, /* IPP Request */
|
|
*response = NULL; /* IPP Response */
|
|
ipp_attribute_t *attr; /* Current attribute */
|
|
cups_lang_t *language = NULL; /* Default language */
|
|
char uri[HTTP_MAX_URI];
|
|
char *server = NULL;
|
|
char *sharename = NULL;
|
|
char *name = NULL;
|
|
static const char *requested[] =/* Requested attributes */
|
|
{
|
|
"printer-name",
|
|
"printer-info",
|
|
"printer-location"
|
|
};
|
|
bool ret = False;
|
|
size_t size;
|
|
|
|
DEBUG(5, ("pulling %s location\n", printername));
|
|
|
|
/*
|
|
* Make sure we don't ask for passwords...
|
|
*/
|
|
|
|
cupsSetPasswordCB(cups_passwd_cb);
|
|
|
|
/*
|
|
* Try to connect to the server...
|
|
*/
|
|
|
|
if ((http = cups_connect(frame)) == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
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, "utf-8");
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
|
|
"attributes-natural-language", NULL, language->language);
|
|
|
|
if (lp_cups_server() != NULL && strlen(lp_cups_server()) > 0) {
|
|
if (!push_utf8_talloc(frame, &server, lp_cups_server(), &size)) {
|
|
goto out;
|
|
}
|
|
} else {
|
|
server = talloc_strdup(frame,cupsServer());
|
|
}
|
|
if (server) {
|
|
goto out;
|
|
}
|
|
if (!push_utf8_talloc(frame, &sharename, printername, &size)) {
|
|
goto out;
|
|
}
|
|
slprintf(uri, sizeof(uri) - 1, "ipp://%s/printers/%s",
|
|
server, sharename);
|
|
|
|
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
|
|
"printer-uri", NULL, uri);
|
|
|
|
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 attributes - %s\n",
|
|
ippErrorString(cupsLastError())));
|
|
goto out;
|
|
}
|
|
|
|
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...
|
|
*/
|
|
|
|
while ( attr && (attr->group_tag == IPP_TAG_PRINTER) ) {
|
|
if (strcmp(attr->name, "printer-name") == 0 &&
|
|
attr->value_tag == IPP_TAG_NAME) {
|
|
if (!pull_utf8_talloc(frame,
|
|
&name,
|
|
attr->values[0].string.text,
|
|
&size)) {
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
/* Grab the comment if we don't have one */
|
|
if ( (strcmp(attr->name, "printer-info") == 0)
|
|
&& (attr->value_tag == IPP_TAG_TEXT))
|
|
{
|
|
if (!pull_utf8_talloc(mem_ctx,
|
|
comment,
|
|
attr->values[0].string.text,
|
|
&size)) {
|
|
goto out;
|
|
}
|
|
DEBUG(5,("cups_pull_comment_location: Using cups comment: %s\n",
|
|
*comment));
|
|
}
|
|
|
|
/* Grab the location if we don't have one */
|
|
if ( (strcmp(attr->name, "printer-location") == 0)
|
|
&& (attr->value_tag == IPP_TAG_TEXT))
|
|
{
|
|
if (!pull_utf8_talloc(mem_ctx,
|
|
location,
|
|
attr->values[0].string.text,
|
|
&size)) {
|
|
goto out;
|
|
}
|
|
DEBUG(5,("cups_pull_comment_location: Using cups location: %s\n",
|
|
*location));
|
|
}
|
|
|
|
attr = attr->next;
|
|
}
|
|
|
|
/*
|
|
* We have everything needed...
|
|
*/
|
|
|
|
if (name != NULL)
|
|
break;
|
|
}
|
|
|
|
ret = True;
|
|
|
|
out:
|
|
if (response)
|
|
ippDelete(response);
|
|
|
|
if (request) {
|
|
ippDelete(request);
|
|
}
|
|
|
|
if (language)
|
|
cupsLangFree(language);
|
|
|
|
if (http)
|
|
httpClose(http);
|
|
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
#else
|
|
/* this keeps fussy compilers happy */
|
|
void print_cups_dummy(void);
|
|
void print_cups_dummy(void) {}
|
|
#endif /* HAVE_CUPS */
|