cgi-bin/jobs.c

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