cgi-bin/jobs.c

   1 /*
   2  * "$Id$"
   3  *
   4  * Job status CGI for CUPS.
   5  *
   6  * Copyright 2007-2014 by Apple Inc.
   7  * Copyright 1997-2006 by Easy Software Products.
   8  *
   9  * These coded instructions, statements, and computer programs are the
  10  * property of Apple Inc. and are protected by Federal copyright
  11  * law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  12  * which should have been included with this file.  If this file is
  13  * file is missing or damaged, see the license at "http://www.cups.org/".
  14  */
  15
  16 /*
  17  * Include necessary headers...
  18  */
  19
  20 #include "cgi-private.h"
  21
  22
  23 /*
  24  * Local functions...
  25  */
  26
  27 static void     do_job_op(http_t *http, int job_id, ipp_op_t op);
  28
  29
  30 /*
  31  * 'main()' - Main entry for CGI.
  32  */
  33
  34 int                                     /* O - Exit status */
  35 main(void)
  36 {
  37   http_t        *http;                  /* Connection to the server */
  38   const char    *op;                    /* Operation name */
  39   const char    *job_id_var;            /* Job ID form variable */
  40   int           job_id;                 /* Job ID */
  41
  42
  43  /*
  44   * Get any form variables...
  45   */
  46
  47   cgiInitialize();
  48
  49  /*
  50   * Set the web interface section...
  51   */
  52
  53   cgiSetVariable("SECTION", "jobs");
  54   cgiSetVariable("REFRESH_PAGE", "");
  55
  56  /*
  57   * Connect to the HTTP server...
  58   */
  59
  60   http = httpConnectEncrypt(cupsServer(), ippPort(), cupsEncryption());
  61
  62  /*
  63   * Get the job ID, if any...
  64   */
  65
  66   if ((job_id_var = cgiGetVariable("JOB_ID")) != NULL)
  67     job_id = atoi(job_id_var);
  68   else
  69     job_id = 0;
  70
  71  /*
  72   * Do the operation...
  73   */
  74
  75   if ((op = cgiGetVariable("OP")) != NULL && job_id > 0 && cgiIsPOST())
  76   {
  77    /*
  78     * Do the operation...
  79     */
  80
  81     if (!strcmp(op, "cancel-job"))
  82       do_job_op(http, job_id, IPP_CANCEL_JOB);
  83     else if (!strcmp(op, "hold-job"))
  84       do_job_op(http, job_id, IPP_HOLD_JOB);
  85     else if (!strcmp(op, "move-job"))
  86       cgiMoveJobs(http, NULL, job_id);
  87     else if (!strcmp(op, "release-job"))
  88       do_job_op(http, job_id, IPP_RELEASE_JOB);
  89     else if (!strcmp(op, "restart-job"))
  90       do_job_op(http, job_id, IPP_RESTART_JOB);
  91     else
  92     {
  93      /*
  94       * Bad operation code...  Display an error...
  95       */
  96
  97       cgiStartHTML(cgiText(_("Jobs")));
  98       cgiCopyTemplateLang("error-op.tmpl");
  99       cgiEndHTML();
 100     }
 101   }
 102   else
 103   {
 104    /*
 105     * Show a list of jobs...
 106     */
 107
 108     cgiStartHTML(cgiText(_("Jobs")));
 109     cgiShowJobs(http, NULL);
 110     cgiEndHTML();
 111   }
 112
 113  /*
 114   * Close the HTTP server connection...
 115   */
 116
 117   httpClose(http);
 118
 119  /*
 120   * Return with no errors...
 121   */
 122
 123   return (0);
 124 }
 125
 126
 127 /*
 128  * 'do_job_op()' - Do a job operation.
 129  */
 130
 131 static void
 132 do_job_op(http_t      *http,            /* I - HTTP connection */
 133           int         job_id,           /* I - Job ID */
 134           ipp_op_t    op)               /* I - Operation to perform */
 135 {
 136   ipp_t         *request;               /* IPP request */
 137   char          uri[HTTP_MAX_URI];      /* Job URI */
 138   const char    *user;                  /* Username */
 139
 140
 141  /*
 142   * Build a job request, which requires the following
 143   * attributes:
 144   *
 145   *    attributes-charset
 146   *    attributes-natural-language
 147   *    job-uri or printer-uri (purge-jobs)
 148   *    requesting-user-name
 149   */
 150
 151   request = ippNewRequest(op);
 152
 153   snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", job_id);
 154
 155   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
 156                NULL, uri);
 157
 158   if ((user = getenv("REMOTE_USER")) == NULL)
 159     user = "guest";
 160
 161   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
 162                "requesting-user-name", NULL, user);
 163
 164  /*
 165   * Do the request and get back a response...
 166   */
 167
 168   ippDelete(cupsDoRequest(http, request, "/jobs"));
 169
 170   if (cupsLastError() <= IPP_OK_CONFLICT && getenv("HTTP_REFERER"))
 171   {
 172    /*
 173     * Redirect successful updates back to the parent page...
 174     */
 175
 176     char        url[1024];              /* Encoded URL */
 177
 178
 179     strlcpy(url, "5;URL=", sizeof(url));
 180     cgiFormEncode(url + 6, getenv("HTTP_REFERER"), sizeof(url) - 6);
 181     cgiSetVariable("refresh_page", url);
 182   }
 183   else if (cupsLastError() == IPP_NOT_AUTHORIZED)
 184   {
 185     puts("Status: 401\n");
 186     exit(0);
 187   }
 188
 189   cgiStartHTML(cgiText(_("Jobs")));
 190
 191   if (cupsLastError() > IPP_OK_CONFLICT)
 192     cgiShowIPPError(_("Job operation failed"));
 193   else if (op == IPP_CANCEL_JOB)
 194     cgiCopyTemplateLang("job-cancel.tmpl");
 195   else if (op == IPP_HOLD_JOB)
 196     cgiCopyTemplateLang("job-hold.tmpl");
 197   else if (op == IPP_RELEASE_JOB)
 198     cgiCopyTemplateLang("job-release.tmpl");
 199   else if (op == IPP_RESTART_JOB)
 200     cgiCopyTemplateLang("job-restart.tmpl");
 201
 202   cgiEndHTML();
 203 }
 204
 205
 206 /*
 207  * End of "$Id$".
 208  */