notifier/mailto.c

   1 /*
   2  * "$Id: mailto.c 4961 2006-01-20 22:19:13Z mike $"
   3  *
   4  *   "mailto" notifier for the Common UNIX Printing System (CUPS).
   5  *
   6  *   Copyright 1997-2005 by Easy Software Products.
   7  *
   8  *   These coded instructions, statements, and computer programs are the
   9  *   property of Easy Software Products and are protected by Federal
  10  *   copyright law.  Distribution and use rights are outlined in the file
  11  *   "LICENSE.txt" which should have been included with this file.  If this
  12  *   file is missing or damaged please contact Easy Software Products
  13  *   at:
  14  *
  15  *       Attn: CUPS Licensing Information
  16  *       Easy Software Products
  17  *       44141 Airport View Drive, Suite 204
  18  *       Hollywood, Maryland 20636 USA
  19  *
  20  *       Voice: (301) 373-9600
  21  *       EMail: cups-info@cups.org
  22  *         WWW: http://www.cups.org
  23  *
  24  * Contents:
  25  *
  26  *   main()               - Main entry for the mailto notifier.
  27  *   email_message()      - Email a notification message.
  28  *   load_configuration() - Load the mailto.conf file.
  29  *   pipe_sendmail()      - Open a pipe to sendmail...
  30  *   print_attributes()   - Print the attributes in a request...
  31  */
  32
  33 /*
  34  * Include necessary headers...
  35  */
  36
  37 #include <cups/cups.h>
  38 #include <cups/i18n.h>
  39 #include <cups/string.h>
  40 #include <errno.h>
  41 #include <sys/wait.h>
  42 #include <signal.h>
  43
  44
  45 /*
  46  * Globals...
  47  */
  48
  49 char    mailtoCc[1024];                 /* Cc email address */
  50 char    mailtoFrom[1024];               /* From email address */
  51 char    mailtoReplyTo[1024];            /* Reply-To email address */
  52 char    mailtoSubject[1024];            /* Subject prefix */
  53 char    mailtoSMTPServer[1024];         /* SMTP server to use */
  54 char    mailtoSendmail[1024];           /* Sendmail program to use */
  55
  56
  57 /*
  58  * Local functions...
  59  */
  60
  61 void            email_message(const char *to, const char *subject,
  62                               const char *text);
  63 int             load_configuration(void);
  64 cups_file_t     *pipe_sendmail(const char *to);
  65 void            print_attributes(ipp_t *ipp, int indent);
  66
  67
  68 /*
  69  * 'main()' - Main entry for the mailto notifier.
  70  */
  71
  72 int                                     /* O - Exit status */
  73 main(int  argc,                         /* I - Number of command-line arguments */
  74      char *argv[])                      /* I - Command-line arguments */
  75 {
  76   int           i;                      /* Looping var */
  77   ipp_t         *msg;                   /* Event message from scheduler */
  78   ipp_state_t   state;                  /* IPP event state */
  79   char          *subject,               /* Subject for notification message */
  80                 *text;                  /* Text for notification message */
  81   cups_lang_t   *lang;                  /* Language info */
  82   char          temp[1024];             /* Temporary string */
  83   int           templen;                /* Length of temporary string */
  84 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
  85   struct sigaction action;              /* POSIX sigaction data */
  86 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
  87
  88
  89  /*
  90   * Don't buffer stderr...
  91   */
  92
  93   setbuf(stderr, NULL);
  94
  95  /*
  96   * Ignore SIGPIPE signals...
  97   */
  98
  99 #ifdef HAVE_SIGSET
 100   sigset(SIGPIPE, SIG_IGN);
 101 #elif defined(HAVE_SIGACTION)
 102   memset(&action, 0, sizeof(action));
 103   action.sa_handler = SIG_IGN;
 104   sigaction(SIGPIPE, &action, NULL);
 105 #else
 106   signal(SIGPIPE, SIG_IGN);
 107 #endif /* HAVE_SIGSET */
 108
 109  /*
 110   * Validate command-line options...
 111   */
 112
 113   if (argc != 3)
 114   {
 115     fputs("Usage: mailto mailto:user@domain.com notify-user-data\n", stderr);
 116     return (1);
 117   }
 118
 119   if (strncmp(argv[1], "mailto:", 7))
 120   {
 121     fprintf(stderr, "ERROR: Bad recipient \"%s\"!\n", argv[1]);
 122     return (1);
 123   }
 124
 125   fprintf(stderr, "DEBUG: argc=%d\n", argc);
 126   for (i = 0; i < argc; i ++)
 127     fprintf(stderr, "DEBUG: argv[%d]=\"%s\"\n", i, argv[i]);
 128
 129  /*
 130   * Load configuration data...
 131   */
 132
 133   if ((lang = cupsLangDefault()) == NULL)
 134     return (1);
 135
 136   if (!load_configuration())
 137     return (1);
 138
 139  /*
 140   * Get the reply-to address...
 141   */
 142
 143   templen = sizeof(temp);
 144   httpDecode64_2(temp, &templen, argv[2]);
 145
 146   if (!strncmp(temp, "mailto:", 7))
 147     strlcpy(mailtoReplyTo, temp + 7, sizeof(mailtoReplyTo));
 148   else if (temp[0])
 149     fprintf(stderr, "WARNING: Bad notify-user-data value (%d bytes) ignored!\n",
 150             templen);
 151
 152  /*
 153   * Loop forever until we run out of events...
 154   */
 155
 156   for (;;)
 157   {
 158    /*
 159     * Get the next event...
 160     */
 161
 162     msg = ippNew();
 163     while ((state = ippReadFile(0, msg)) != IPP_DATA)
 164     {
 165       if (state <= IPP_IDLE)
 166         break;
 167     }
 168
 169     fprintf(stderr, "DEBUG: state=%d\n", state);
 170
 171     if (state == IPP_ERROR)
 172       fputs("DEBUG: ippReadFile() returned IPP_ERROR!\n", stderr);
 173
 174     if (state <= IPP_IDLE)
 175     {
 176      /*
 177       * Out of messages, free memory and then exit...
 178       */
 179
 180       ippDelete(msg);
 181       return (0);
 182     }
 183
 184    /*
 185     * Get the subject and text for the message, then email it...
 186     */
 187
 188     subject = cupsNotifySubject(lang, msg);
 189     text    = cupsNotifyText(lang, msg);
 190
 191     fprintf(stderr, "DEBUG: subject=\"%s\"\n", subject);
 192     fprintf(stderr, "DEBUG: text=\"%s\"\n", text);
 193
 194     if (subject && text)
 195       email_message(argv[1] + 7, subject, text);
 196     else
 197     {
 198       fputs("ERROR: Missing attributes in event notification!\n", stderr);
 199       print_attributes(msg, 4);
 200     }
 201
 202    /*
 203     * Free the memory used for this event...
 204     */
 205
 206     if (subject)
 207       free(subject);
 208
 209     if (text)
 210       free(text);
 211
 212     ippDelete(msg);
 213   }
 214 }
 215
 216
 217 /*
 218  * 'email_message()' - Email a notification message.
 219  */
 220
 221 void
 222 email_message(const char *to,           /* I - Recipient of message */
 223               const char *subject,      /* I - Subject of message */
 224               const char *text)         /* I - Text of message */
 225 {
 226   cups_file_t   *fp;                    /* Pipe/socket to mail server */
 227   const char    *nl;                    /* Newline to use */
 228   char          response[1024];         /* SMTP response buffer */
 229
 230
 231  /*
 232   * Connect to the mail server...
 233   */
 234
 235   if (mailtoSendmail[0])
 236   {
 237    /*
 238     * Use the sendmail command...
 239     */
 240
 241     fp = pipe_sendmail(to);
 242
 243     if (!fp)
 244       return;
 245
 246     nl = "\n";
 247   }
 248   else
 249   {
 250    /*
 251     * Use an SMTP server...
 252     */
 253
 254     char        hostbuf[1024];          /* Local hostname */
 255
 256
 257     if (strchr(mailtoSMTPServer, ':'))
 258       fp = cupsFileOpen(mailtoSMTPServer, "s");
 259     else
 260     {
 261       char      spec[1024];             /* Host:service spec */
 262
 263
 264       snprintf(spec, sizeof(spec), "%s:smtp", mailtoSMTPServer);
 265       fp = cupsFileOpen(spec, "s");
 266     }
 267
 268     if (!fp)
 269     {
 270       fprintf(stderr, "ERROR: Unable to connect to SMTP server \"%s\"!\n",
 271               mailtoSMTPServer);
 272       return;
 273     }
 274
 275     fprintf(stderr, "DEBUG: Connected to \"%s\"...\n", mailtoSMTPServer);
 276
 277     cupsFilePrintf(fp, "HELO %s\r\n", httpGetHostname(hostbuf, sizeof(hostbuf)));
 278     fprintf(stderr, "DEBUG: >>> HELO %s\n", hostbuf);
 279
 280     if (!cupsFileGets(fp, response, sizeof(response)) || atoi(response) >= 500)
 281       goto smtp_error;
 282     fprintf(stderr, "DEBUG: <<< %s\n", response);
 283
 284     cupsFilePrintf(fp, "MAIL FROM:%s\r\n", mailtoFrom);
 285     fprintf(stderr, "DEBUG: >>> MAIL FROM:%s\n", mailtoFrom);
 286
 287     if (!cupsFileGets(fp, response, sizeof(response)) || atoi(response) >= 500)
 288       goto smtp_error;
 289     fprintf(stderr, "DEBUG: <<< %s\n", response);
 290
 291     cupsFilePrintf(fp, "RCPT TO:%s\r\n", to);
 292     fprintf(stderr, "DEBUG: >>> RCPT TO:%s\n", to);
 293
 294     if (!cupsFileGets(fp, response, sizeof(response)) || atoi(response) >= 500)
 295       goto smtp_error;
 296     fprintf(stderr, "DEBUG: <<< %s\n", response);
 297
 298     cupsFilePuts(fp, "DATA\r\n");
 299     fputs("DEBUG: DATA\n", stderr);
 300
 301     if (!cupsFileGets(fp, response, sizeof(response)) || atoi(response) >= 500)
 302       goto smtp_error;
 303     fprintf(stderr, "DEBUG: <<< %s\n", response);
 304
 305     nl = "\r\n";
 306   }
 307
 308  /*
 309   * Send the message...
 310   */
 311
 312   cupsFilePrintf(fp, "Date: %s%s", httpGetDateString(time(NULL)), nl);
 313   cupsFilePrintf(fp, "From: %s%s", mailtoFrom, nl);
 314   cupsFilePrintf(fp, "Subject: %s %s%s", mailtoSubject, subject, nl);
 315   if (mailtoReplyTo[0])
 316   {
 317     cupsFilePrintf(fp, "Sender: %s%s", mailtoReplyTo, nl);
 318     cupsFilePrintf(fp, "Reply-To: %s%s", mailtoReplyTo, nl);
 319   }
 320   cupsFilePrintf(fp, "To: %s%s", to, nl);
 321   if (mailtoCc[0])
 322     cupsFilePrintf(fp, "Cc: %s%s", mailtoCc, nl);
 323   cupsFilePrintf(fp, "Content-Type: text/plain%s", nl);
 324   cupsFilePuts(fp, nl);
 325   cupsFilePrintf(fp, "%s%s", text, nl);
 326   cupsFilePrintf(fp, ".\n", nl);
 327
 328  /*
 329   * Close the connection to the mail server...
 330   */
 331
 332   if (mailtoSendmail[0])
 333   {
 334    /*
 335     * Close the pipe and wait for the sendmail command to finish...
 336     */
 337
 338     int status;                         /* Exit status */
 339
 340
 341     cupsFileClose(fp);
 342
 343     if (wait(&status))
 344       status = errno << 8;
 345
 346    /*
 347     * Report any non-zero status...
 348     */
 349
 350     if (status)
 351     {
 352       if (WIFEXITED(status))
 353         fprintf(stderr, "ERROR: Sendmail command returned status %d!\n",
 354                 WEXITSTATUS(status));
 355       else
 356         fprintf(stderr, "ERROR: Sendmail command crashed on signal %d!\n",
 357                 WTERMSIG(status));
 358     }
 359   }
 360   else
 361   {
 362    /*
 363     * Finish up the SMTP submission and close the connection...
 364     */
 365
 366     if (!cupsFileGets(fp, response, sizeof(response)) || atoi(response) >= 500)
 367       goto smtp_error;
 368     fprintf(stderr, "DEBUG: <<< %s\n", response);
 369
 370    /*
 371     * Process SMTP errors here...
 372     */
 373
 374     smtp_error:
 375
 376     cupsFilePuts(fp, "QUIT\r\n");
 377     fputs("DEBUG: QUIT\n", stderr);
 378
 379     if (!cupsFileGets(fp, response, sizeof(response)) || atoi(response) >= 500)
 380       goto smtp_error;
 381     fprintf(stderr, "DEBUG: <<< %s\n", response);
 382
 383     cupsFileClose(fp);
 384
 385     fprintf(stderr, "DEBUG: Closed connection to \"%s\"...\n",
 386             mailtoSMTPServer);
 387   }
 388 }
 389
 390
 391 /*
 392  * 'load_configuration()' - Load the mailto.conf file.
 393  */
 394
 395 int                                     /* I - 1 on success, 0 on failure */
 396 load_configuration(void)
 397 {
 398   cups_file_t   *fp;                    /* mailto.conf file */
 399   const char    *server_root,           /* CUPS_SERVERROOT environment variable */
 400                 *server_admin;          /* SERVER_ADMIN environment variable */
 401   char          line[1024],             /* Line from file */
 402                 *value;                 /* Value for directive */
 403   int           linenum;                /* Line number in file */
 404
 405
 406  /*
 407   * Initialize defaults...
 408   */
 409
 410   mailtoCc[0] = '\0';
 411
 412   if ((server_admin = getenv("SERVER_ADMIN")) != NULL)
 413     strlcpy(mailtoFrom, server_admin, sizeof(mailtoFrom));
 414   else
 415     snprintf(mailtoFrom, sizeof(mailtoFrom), "root@%s",
 416              httpGetHostname(line, sizeof(line)));
 417
 418   strlcpy(mailtoSendmail, "/usr/sbin/sendmail", sizeof(mailtoSendmail));
 419
 420   mailtoSMTPServer[0] = '\0';
 421
 422   mailtoSubject[0] = '\0';
 423
 424  /*
 425   * Try loading the config file...
 426   */
 427
 428   if ((server_root = getenv("CUPS_SERVERROOT")) == NULL)
 429     server_root = CUPS_SERVERROOT;
 430
 431   snprintf(line, sizeof(line), "%s/mailto.conf", server_root);
 432
 433   if ((fp = cupsFileOpen(line, "r")) == NULL)
 434   {
 435     fprintf(stderr, "ERROR: Unable to open \"%s\" - %s\n", line,
 436             strerror(errno));
 437     return (1);
 438   }
 439
 440   linenum = 0;
 441
 442   while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
 443   {
 444     if (!value)
 445     {
 446       fprintf(stderr, "ERROR: No value found for %s directive on line %d!\n",
 447               line, linenum);
 448       cupsFileClose(fp);
 449       return (0);
 450     }
 451
 452     if (!strcasecmp(line, "Cc"))
 453       strlcpy(mailtoCc, value, sizeof(mailtoCc));
 454     else if (!strcasecmp(line, "From"))
 455       strlcpy(mailtoFrom, value, sizeof(mailtoFrom));
 456     else if (!strcasecmp(line, "Sendmail"))
 457     {
 458       strlcpy(mailtoSendmail, value, sizeof(mailtoSendmail));
 459       mailtoSMTPServer[0] = '\0';
 460     }
 461     else if (!strcasecmp(line, "SMTPServer"))
 462     {
 463       mailtoSendmail[0] = '\0';
 464       strlcpy(mailtoSMTPServer, value, sizeof(mailtoSMTPServer));
 465     }
 466     else if (!strcasecmp(line, "Subject"))
 467       strlcpy(mailtoSubject, value, sizeof(mailtoSubject));
 468     else
 469     {
 470       fprintf(stderr,
 471               "ERROR: Unknown configuration directive \"%s\" on line %d!\n",
 472               line, linenum);
 473     }
 474   }
 475
 476  /*
 477   * Close file and return...
 478   */
 479
 480   cupsFileClose(fp);
 481
 482   return (1);
 483 }
 484
 485
 486 /*
 487  * 'pipe_sendmail()' - Open a pipe to sendmail...
 488  */
 489
 490 cups_file_t *                           /* O - CUPS file */
 491 pipe_sendmail(const char *to)           /* I - To: address */
 492 {
 493   cups_file_t   *fp;                    /* CUPS file */
 494   int           pid;                    /* Process ID */
 495   int           pipefds[2];             /* Pipe file descriptors */
 496   int           argc;                   /* Number of arguments */
 497   char          *argv[100],             /* Argument array */
 498                 line[1024],             /* Sendmail command + args */
 499                 *lineptr;               /* Pointer into line */
 500
 501
 502  /*
 503   * First break the mailtoSendmail string into arguments...
 504   */
 505
 506   strlcpy(line, mailtoSendmail, sizeof(line));
 507   argv[0] = line;
 508   argc    = 1;
 509
 510   for (lineptr = strchr(line, ' '); lineptr; lineptr = strchr(lineptr, ' '))
 511   {
 512     while (*lineptr == ' ')
 513       *lineptr++ = '\0';
 514
 515     if (*lineptr)
 516     {
 517      /*
 518       * Point to the next argument...
 519       */
 520
 521       argv[argc ++] = lineptr;
 522
 523      /*
 524       * Stop if we have too many...
 525       */
 526
 527       if (argc >= (int)(sizeof(argv) / sizeof(argv[0]) - 2))
 528         break;
 529     }
 530   }
 531
 532   argv[argc ++] = (char *)to;
 533   argv[argc]    = NULL;
 534
 535  /*
 536   * Create the pipe...
 537   */
 538
 539   if (pipe(pipefds))
 540   {
 541     perror("ERROR: Unable to create pipe");
 542     return (NULL);
 543   }
 544
 545  /*
 546   * Then run the command...
 547   */
 548
 549   if ((pid = fork()) == 0)
 550   {
 551    /*
 552     * Child goes here - redirect stdin to the input side of the pipe,
 553     * redirect stdout to stderr, and exec...
 554     */
 555
 556     close(0);
 557     dup(pipefds[0]);
 558
 559     close(1);
 560     dup(2);
 561
 562     close(pipefds[0]);
 563     close(pipefds[1]);
 564
 565     execvp(argv[0], argv);
 566     exit(errno);
 567   }
 568   else if (pid < 0)
 569   {
 570    /*
 571     * Unable to fork - error out...
 572     */
 573
 574     perror("ERROR: Unable to fork command");
 575
 576     close(pipefds[0]);
 577     close(pipefds[1]);
 578
 579     return (NULL);
 580   }
 581
 582  /*
 583   * Create a CUPS file using the output side of the pipe and close the
 584   * input side...
 585   */
 586
 587   close(pipefds[0]);
 588
 589   if ((fp = cupsFileOpenFd(pipefds[1], "w")) == NULL)
 590   {
 591     int status;                         /* Status of command */
 592
 593
 594     close(pipefds[1]);
 595     wait(&status);
 596   }
 597
 598   return (fp);
 599 }
 600
 601
 602 /*
 603  * 'print_attributes()' - Print the attributes in a request...
 604  */
 605
 606 void
 607 print_attributes(ipp_t *ipp,            /* I - IPP request */
 608                  int   indent)          /* I - Indentation */
 609 {
 610   int                   i;              /* Looping var */
 611   ipp_tag_t             group;          /* Current group */
 612   ipp_attribute_t       *attr;          /* Current attribute */
 613   ipp_value_t           *val;           /* Current value */
 614   static const char * const tags[] =    /* Value/group tag strings */
 615                         {
 616                           "reserved-00",
 617                           "operation-attributes-tag",
 618                           "job-attributes-tag",
 619                           "end-of-attributes-tag",
 620                           "printer-attributes-tag",
 621                           "unsupported-attributes-tag",
 622                           "subscription-attributes-tag",
 623                           "event-attributes-tag",
 624                           "reserved-08",
 625                           "reserved-09",
 626                           "reserved-0A",
 627                           "reserved-0B",
 628                           "reserved-0C",
 629                           "reserved-0D",
 630                           "reserved-0E",
 631                           "reserved-0F",
 632                           "unsupported",
 633                           "default",
 634                           "unknown",
 635                           "no-value",
 636                           "reserved-14",
 637                           "not-settable",
 638                           "delete-attr",
 639                           "admin-define",
 640                           "reserved-18",
 641                           "reserved-19",
 642                           "reserved-1A",
 643                           "reserved-1B",
 644                           "reserved-1C",
 645                           "reserved-1D",
 646                           "reserved-1E",
 647                           "reserved-1F",
 648                           "reserved-20",
 649                           "integer",
 650                           "boolean",
 651                           "enum",
 652                           "reserved-24",
 653                           "reserved-25",
 654                           "reserved-26",
 655                           "reserved-27",
 656                           "reserved-28",
 657                           "reserved-29",
 658                           "reserved-2a",
 659                           "reserved-2b",
 660                           "reserved-2c",
 661                           "reserved-2d",
 662                           "reserved-2e",
 663                           "reserved-2f",
 664                           "octetString",
 665                           "dateTime",
 666                           "resolution",
 667                           "rangeOfInteger",
 668                           "begCollection",
 669                           "textWithLanguage",
 670                           "nameWithLanguage",
 671                           "endCollection",
 672                           "reserved-38",
 673                           "reserved-39",
 674                           "reserved-3a",
 675                           "reserved-3b",
 676                           "reserved-3c",
 677                           "reserved-3d",
 678                           "reserved-3e",
 679                           "reserved-3f",
 680                           "reserved-40",
 681                           "textWithoutLanguage",
 682                           "nameWithoutLanguage",
 683                           "reserved-43",
 684                           "keyword",
 685                           "uri",
 686                           "uriScheme",
 687                           "charset",
 688                           "naturalLanguage",
 689                           "mimeMediaType",
 690                           "memberName"
 691                         };
 692
 693
 694   for (group = IPP_TAG_ZERO, attr = ipp->attrs; attr; attr = attr->next)
 695   {
 696     if ((attr->group_tag == IPP_TAG_ZERO && indent <= 8) || !attr->name)
 697     {
 698       group = IPP_TAG_ZERO;
 699       fputc('\n', stderr);
 700       continue;
 701     }
 702
 703     if (group != attr->group_tag)
 704     {
 705       group = attr->group_tag;
 706
 707       fprintf(stderr, "DEBUG: %*s%s:\n\n", indent - 4, "", tags[group]);
 708     }
 709
 710     fprintf(stderr, "DEBUG: %*s%s (", indent, "", attr->name);
 711     if (attr->num_values > 1)
 712       fputs("1setOf ", stderr);
 713     fprintf(stderr, "%s):", tags[attr->value_tag]);
 714
 715     switch (attr->value_tag)
 716     {
 717       case IPP_TAG_ENUM :
 718       case IPP_TAG_INTEGER :
 719           for (i = 0, val = attr->values; i < attr->num_values; i ++, val ++)
 720             fprintf(stderr, " %d", val->integer);
 721           fputc('\n', stderr);
 722           break;
 723
 724       case IPP_TAG_BOOLEAN :
 725           for (i = 0, val = attr->values; i < attr->num_values; i ++, val ++)
 726             fprintf(stderr, " %s", val->boolean ? "true" : "false");
 727           fputc('\n', stderr);
 728           break;
 729
 730       case IPP_TAG_RANGE :
 731           for (i = 0, val = attr->values; i < attr->num_values; i ++, val ++)
 732             fprintf(stderr, " %d-%d", val->range.lower, val->range.upper);
 733           fputc('\n', stderr);
 734           break;
 735
 736       case IPP_TAG_DATE :
 737           {
 738             time_t      vtime;          /* Date/Time value */
 739             struct tm   *vdate;         /* Date info */
 740             char        vstring[256];   /* Formatted time */
 741
 742             for (i = 0, val = attr->values; i < attr->num_values; i ++, val ++)
 743             {
 744               vtime = ippDateToTime(val->date);
 745               vdate = localtime(&vtime);
 746               strftime(vstring, sizeof(vstring), "%c", vdate);
 747               fprintf(stderr, " (%s)", vstring);
 748             }
 749           }
 750           fputc('\n', stderr);
 751           break;
 752
 753       case IPP_TAG_RESOLUTION :
 754           for (i = 0, val = attr->values; i < attr->num_values; i ++, val ++)
 755             fprintf(stderr, " %dx%d%s", val->resolution.xres,
 756                     val->resolution.yres,
 757                     val->resolution.units == IPP_RES_PER_INCH ? "dpi" : "dpc");
 758           fputc('\n', stderr);
 759           break;
 760
 761       case IPP_TAG_STRING :
 762       case IPP_TAG_TEXTLANG :
 763       case IPP_TAG_NAMELANG :
 764       case IPP_TAG_TEXT :
 765       case IPP_TAG_NAME :
 766       case IPP_TAG_KEYWORD :
 767       case IPP_TAG_URI :
 768       case IPP_TAG_URISCHEME :
 769       case IPP_TAG_CHARSET :
 770       case IPP_TAG_LANGUAGE :
 771       case IPP_TAG_MIMETYPE :
 772           for (i = 0, val = attr->values; i < attr->num_values; i ++, val ++)
 773             fprintf(stderr, " \"%s\"", val->string.text);
 774           fputc('\n', stderr);
 775           break;
 776
 777       case IPP_TAG_BEGIN_COLLECTION :
 778           fputc('\n', stderr);
 779
 780           for (i = 0, val = attr->values; i < attr->num_values; i ++, val ++)
 781           {
 782             if (i)
 783               fputc('\n', stderr);
 784             print_attributes(val->collection, indent + 4);
 785           }
 786           break;
 787
 788       default :
 789           fprintf(stderr, "UNKNOWN (%d values)\n", attr->num_values);
 790           break;
 791     }
 792   }
 793 }
 794
 795
 796 /*
 797  * End of "$Id: mailto.c 4961 2006-01-20 22:19:13Z mike $".
 798  */