root/usr/src/lib/print/libipp-listener/common/print-job.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 */

/* $Id: print-job.c 146 2006-03-24 00:26:54Z njacobs $ */

#include <stdio.h>
#include <stdlib.h>
#include <netdb.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <papi.h>
#include <ipp.h>
#include <ipp-listener.h>

papi_status_t
ipp_print_job(papi_service_t svc, papi_attribute_t **request,
                papi_attribute_t ***response, ipp_reader_t iread, void *fd)
{
        papi_status_t status;
        papi_stream_t s = NULL;
        papi_job_t j = NULL;
        papi_attribute_t **operational = NULL;
        papi_attribute_t **job_attributes = NULL;
        char *queue = NULL;
        ssize_t rc;
        char buf[BUFSIZ];
        char *host = NULL;
        int fp = -1;
        char *keys[] = { "attributes-natural-language", "attributes-charset",
                        "printer-uri", NULL };

        /* Get operational attributes from the request */
        (void) papiAttributeListGetCollection(request, NULL,
            "operational-attributes-group", &operational);

        /*
         * The operational-attributes-group must contain:
         *      printer-uri
         */
        get_printer_id(operational, &queue, NULL);
        if (queue == NULL) {
                ipp_set_status(response, status, "printer-uri: %s",
                    papiStatusString(status));
                return (PAPI_BAD_REQUEST);
        }

        /*
         * The operational-attributes-group may contain:
         *      job-name
         *      ipp-attribute-fidelity
         *      document-name
         *      compression
         *      document-format
         *      document-natural-language
         *      job-k-octets
         *      job-impressions
         *      job-media-sheets
         * Simply copy the entire contents of the operational-attributes-group
         * for the PAPI call's possible use.
         */
        split_and_copy_attributes(keys, operational, NULL, &job_attributes);

        /* copy any job-attributes-group attributes for the PAPI call */
        if (papiAttributeListGetCollection(request, NULL,
            "job-attributes-group", &operational) == PAPI_OK) {
                char *user = NULL;

                copy_attributes(&job_attributes, operational);

                if (papiAttributeListGetString(operational, NULL,
                    "requesting-user-name", &user) == PAPI_OK) {
                        papiAttributeListAddString(&job_attributes,
                            PAPI_ATTR_REPLACE, "requesting-user-name", user);
                }
        }

        /* Set "job-originating-host-name" in next block */
        (void) papiAttributeListGetInteger(request, NULL,
            "peer-socket", &fp);

        if (fp != -1) {
                struct sockaddr_in peer;
                socklen_t peer_len = sizeof (peer);

                /* who is our peer ? */
                if (getpeername(fp, (struct sockaddr *)&peer,
                    &peer_len) == 0) {
                        struct hostent *he;
                        int error_num;

                        /*
                         * get their name or return a string containing
                         * their address
                         */
                        if ((he = getipnodebyaddr((const char *)&peer.sin_addr,
                            sizeof (peer.sin_addr), peer.sin_family,
                            &error_num)) == NULL) {
                                char tmp_buf[INET6_ADDRSTRLEN];
                                papiAttributeListAddString(
                                    &job_attributes,
                                    PAPI_ATTR_REPLACE,
                                    "job-originating-host-name",
                                    (char *)inet_ntop(peer.sin_family,
                                    &peer.sin_addr, tmp_buf,
                                    sizeof (tmp_buf)));

                        } else {
                                if (is_localhost(he->h_name) != 0)
                                        papiAttributeListAddString(
                                            &job_attributes,
                                            PAPI_ATTR_REPLACE,
                                            "job-originating-host-name",
                                            "localhost");
                                else if (he->h_name != NULL)
                                        papiAttributeListAddString(
                                            &job_attributes,
                                            PAPI_ATTR_REPLACE,
                                            "job-originating-host-name",
                                            he->h_name);
                        }
                }
        }

        /* request job creation with a resulting stream that we can write to */
        status = papiJobStreamOpen(svc, queue, job_attributes, NULL, &s);
        papiAttributeListFree(job_attributes);
        if (status != PAPI_OK) {
                ipp_set_status(response, status, "job submission: %s",
                    ipp_svc_status_mesg(svc, status));
                return (status);
        }

        /* copy the document data from the IPP connection to the stream */
        while ((status == PAPI_OK) && ((rc = iread(fd, buf, sizeof (buf))) > 0))
                status = papiJobStreamWrite(svc, s, buf, rc);
        if (status != PAPI_OK) {
                ipp_set_status(response, status, "write job data: %s",
                    ipp_svc_status_mesg(svc, status));
                return (status);
        }

        /* close the stream, committing the job */
        status = papiJobStreamClose(svc, s, &j);
        if (status != PAPI_OK) {
                ipp_set_status(response, status, "close job stream: %s",
                    ipp_svc_status_mesg(svc, status));
                papiJobFree(j); /* we shouldn't have a job, but just in case */
                return (status);
        }

        /* add the job attributes to the response in a job-attributes-group */
        if (j != NULL) {
                papi_to_ipp_job_group(response, request, PAPI_ATTR_REPLACE, j);
                papiJobFree(j);
        }

        return (status);
}