cups/ipp.h

   1 /*
   2  * "$Id: ipp.h 4922 2006-01-12 22:05:06Z mike $"
   3  *
   4  *   Internet Printing Protocol definitions for the Common UNIX Printing
   5  *   System (CUPS).
   6  *
   7  *   Copyright 1997-2006 by Easy Software Products.
   8  *
   9  *   These coded instructions, statements, and computer programs are the
  10  *   property of Easy Software Products and are protected by Federal
  11  *   copyright law.  Distribution and use rights are outlined in the file
  12  *   "LICENSE.txt" which should have been included with this file.  If this
  13  *   file is missing or damaged please contact Easy Software Products
  14  *   at:
  15  *
  16  *       Attn: CUPS Licensing Information
  17  *       Easy Software Products
  18  *       44141 Airport View Drive, Suite 204
  19  *       Hollywood, Maryland 20636 USA
  20  *
  21  *       Voice: (301) 373-9600
  22  *       EMail: cups-info@cups.org
  23  *         WWW: http://www.cups.org
  24  *
  25  *   This file is subject to the Apple OS-Developed Software exception.
  26  */
  27
  28 #ifndef _CUPS_IPP_H_
  29 #  define _CUPS_IPP_H_
  30
  31 /*
  32  * Include necessary headers...
  33  */
  34
  35 #  include "http.h"
  36
  37
  38 /*
  39  * C++ magic...
  40  */
  41
  42 #  ifdef __cplusplus
  43 extern "C" {
  44 #  endif /* __cplusplus */
  45
  46
  47 /*
  48  * IPP version string...
  49  */
  50
  51 #  define IPP_VERSION           "\001\001"
  52
  53 /*
  54  * IPP registered port number...
  55  *
  56  * Note: Applications should never use IPP_PORT, but instead use the
  57  * ippPort() function to allow overrides via the IPP_PORT environment
  58  * variable and services file if needed!
  59  */
  60
  61 #  define IPP_PORT              631
  62
  63 /*
  64  * Common limits...
  65  */
  66
  67 #  define IPP_MAX_NAME          256
  68 #  define IPP_MAX_VALUES        8       /* Power-of-2 allocation increment */
  69
  70
  71 /*
  72  * Types and structures...
  73  */
  74
  75 typedef enum                    /**** Format tags for attribute formats... ****/
  76 {
  77   IPP_TAG_ZERO = 0x00,
  78   IPP_TAG_OPERATION,
  79   IPP_TAG_JOB,
  80   IPP_TAG_END,
  81   IPP_TAG_PRINTER,
  82   IPP_TAG_UNSUPPORTED_GROUP,
  83   IPP_TAG_SUBSCRIPTION,
  84   IPP_TAG_EVENT_NOTIFICATION,
  85   IPP_TAG_UNSUPPORTED_VALUE = 0x10,
  86   IPP_TAG_DEFAULT,
  87   IPP_TAG_UNKNOWN,
  88   IPP_TAG_NOVALUE,
  89   IPP_TAG_NOTSETTABLE = 0x15,
  90   IPP_TAG_DELETEATTR,
  91   IPP_TAG_ADMINDEFINE,
  92   IPP_TAG_INTEGER = 0x21,
  93   IPP_TAG_BOOLEAN,
  94   IPP_TAG_ENUM,
  95   IPP_TAG_STRING = 0x30,
  96   IPP_TAG_DATE,
  97   IPP_TAG_RESOLUTION,
  98   IPP_TAG_RANGE,
  99   IPP_TAG_BEGIN_COLLECTION,
 100   IPP_TAG_TEXTLANG,
 101   IPP_TAG_NAMELANG,
 102   IPP_TAG_END_COLLECTION,
 103   IPP_TAG_TEXT = 0x41,
 104   IPP_TAG_NAME,
 105   IPP_TAG_KEYWORD = 0x44,
 106   IPP_TAG_URI,
 107   IPP_TAG_URISCHEME,
 108   IPP_TAG_CHARSET,
 109   IPP_TAG_LANGUAGE,
 110   IPP_TAG_MIMETYPE,
 111   IPP_TAG_MEMBERNAME,
 112   IPP_TAG_MASK = 0x7fffffff,    /* Mask for copied attribute values */
 113   IPP_TAG_COPY = -0x7fffffff-1  /* Bitflag for copied attribute values */
 114 } ipp_tag_t;
 115
 116 typedef enum                    /**** Resolution units... ****/
 117 {
 118   IPP_RES_PER_INCH = 3,
 119   IPP_RES_PER_CM
 120 } ipp_res_t;
 121
 122 typedef enum                    /**** Finishings... ****/
 123 {
 124   IPP_FINISHINGS_NONE = 3,
 125   IPP_FINISHINGS_STAPLE,
 126   IPP_FINISHINGS_PUNCH,
 127   IPP_FINISHINGS_COVER,
 128   IPP_FINISHINGS_BIND,
 129   IPP_FINISHINGS_SADDLE_STITCH,
 130   IPP_FINISHINGS_EDGE_STITCH,
 131   IPP_FINISHINGS_FOLD,
 132   IPP_FINISHINGS_TRIM,
 133   IPP_FINISHINGS_BALE,
 134   IPP_FINISHINGS_BOOKLET_MAKER,
 135   IPP_FINISHINGS_JOB_OFFSET,
 136   IPP_FINISHINGS_STAPLE_TOP_LEFT = 20,
 137   IPP_FINISHINGS_STAPLE_BOTTOM_LEFT,
 138   IPP_FINISHINGS_STAPLE_TOP_RIGHT,
 139   IPP_FINISHINGS_STAPLE_BOTTOM_RIGHT,
 140   IPP_FINISHINGS_EDGE_STITCH_LEFT,
 141   IPP_FINISHINGS_EDGE_STITCH_TOP,
 142   IPP_FINISHINGS_EDGE_STITCH_RIGHT,
 143   IPP_FINISHINGS_EDGE_STITCH_BOTTOM,
 144   IPP_FINISHINGS_STAPLE_DUAL_LEFT,
 145   IPP_FINISHINGS_STAPLE_DUAL_TOP,
 146   IPP_FINISHINGS_STAPLE_DUAL_RIGHT,
 147   IPP_FINISHINGS_STAPLE_DUAL_BOTTOM,
 148   IPP_FINISHINGS_BIND_LEFT = 50,
 149   IPP_FINISHINGS_BIND_TOP,
 150   IPP_FINISHINGS_BIND_RIGHT,
 151   IPP_FINISHINGS_BIND_BOTTOM
 152 } ipp_finish_t;
 153
 154 typedef enum                    /**** Orientation... ****/
 155 {
 156   IPP_PORTRAIT = 3,             /* No rotation */
 157   IPP_LANDSCAPE,                /* 90 degrees counter-clockwise */
 158   IPP_REVERSE_LANDSCAPE,        /* 90 degrees clockwise */
 159   IPP_REVERSE_PORTRAIT          /* 180 degrees */
 160 } ipp_orient_t;
 161
 162 typedef enum                    /**** Qualities... ****/
 163 {
 164   IPP_QUALITY_DRAFT = 3,
 165   IPP_QUALITY_NORMAL,
 166   IPP_QUALITY_HIGH
 167 } ipp_quality_t;
 168
 169 typedef enum                    /**** Job States.... */
 170 {
 171   IPP_JOB_PENDING = 3,
 172   IPP_JOB_HELD,
 173   IPP_JOB_PROCESSING,
 174   IPP_JOB_STOPPED,
 175   IPP_JOB_CANCELLED,
 176   IPP_JOB_ABORTED,
 177   IPP_JOB_COMPLETED
 178 } ipp_jstate_t;
 179
 180 typedef enum                    /**** Printer States.... */
 181 {
 182   IPP_PRINTER_IDLE = 3,
 183   IPP_PRINTER_PROCESSING,
 184   IPP_PRINTER_STOPPED
 185 } ipp_pstate_t;
 186
 187 typedef enum                    /**** IPP states... ****/
 188 {
 189   IPP_ERROR = -1,               /* An error occurred */
 190   IPP_IDLE,                     /* Nothing is happening/request completed */
 191   IPP_HEADER,                   /* The request header needs to be sent/received */
 192   IPP_ATTRIBUTE,                /* One or more attributes need to be sent/received */
 193   IPP_DATA                      /* IPP request data needs to be sent/received */
 194 } ipp_state_t;
 195
 196 typedef enum                    /**** IPP operations... ****/
 197 {
 198   IPP_PRINT_JOB = 0x0002,
 199   IPP_PRINT_URI,
 200   IPP_VALIDATE_JOB,
 201   IPP_CREATE_JOB,
 202   IPP_SEND_DOCUMENT,
 203   IPP_SEND_URI,
 204   IPP_CANCEL_JOB,
 205   IPP_GET_JOB_ATTRIBUTES,
 206   IPP_GET_JOBS,
 207   IPP_GET_PRINTER_ATTRIBUTES,
 208   IPP_HOLD_JOB,
 209   IPP_RELEASE_JOB,
 210   IPP_RESTART_JOB,
 211   IPP_PAUSE_PRINTER = 0x0010,
 212   IPP_RESUME_PRINTER,
 213   IPP_PURGE_JOBS,
 214   IPP_SET_PRINTER_ATTRIBUTES,
 215   IPP_SET_JOB_ATTRIBUTES,
 216   IPP_GET_PRINTER_SUPPORTED_VALUES,
 217   IPP_CREATE_PRINTER_SUBSCRIPTION,
 218   IPP_CREATE_JOB_SUBSCRIPTION,
 219   IPP_GET_SUBSCRIPTION_ATTRIBUTES,
 220   IPP_GET_SUBSCRIPTIONS,
 221   IPP_RENEW_SUBSCRIPTION,
 222   IPP_CANCEL_SUBSCRIPTION,
 223   IPP_GET_NOTIFICATIONS,
 224   IPP_SEND_NOTIFICATIONS,
 225   IPP_GET_PRINT_SUPPORT_FILES = 0x0021,
 226   IPP_ENABLE_PRINTER,
 227   IPP_DISABLE_PRINTER,
 228   IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB,
 229   IPP_HOLD_NEW_JOBS,
 230   IPP_RELEASE_HELD_NEW_JOBS,
 231   IPP_DEACTIVATE_PRINTER,
 232   IPP_ACTIVATE_PRINTER,
 233   IPP_RESTART_PRINTER,
 234   IPP_SHUTDOWN_PRINTER,
 235   IPP_STARTUP_PRINTER,
 236   IPP_REPROCESS_JOB,
 237   IPP_CANCEL_CURRENT_JOB,
 238   IPP_SUSPEND_CURRENT_JOB,
 239   IPP_RESUME_JOB,
 240   IPP_PROMOTE_JOB,
 241   IPP_SCHEDULE_JOB_AFTER,
 242   IPP_PRIVATE = 0x4000,
 243   CUPS_GET_DEFAULT,
 244   CUPS_GET_PRINTERS,
 245   CUPS_ADD_PRINTER,
 246   CUPS_DELETE_PRINTER,
 247   CUPS_GET_CLASSES,
 248   CUPS_ADD_CLASS,
 249   CUPS_DELETE_CLASS,
 250   CUPS_ACCEPT_JOBS,
 251   CUPS_REJECT_JOBS,
 252   CUPS_SET_DEFAULT,
 253   CUPS_GET_DEVICES,
 254   CUPS_GET_PPDS,
 255   CUPS_MOVE_JOB,
 256   CUPS_AUTHENTICATE_JOB
 257 } ipp_op_t;
 258
 259 typedef enum                    /**** IPP status codes... ****/
 260 {
 261   IPP_OK = 0x0000,
 262   IPP_OK_SUBST,
 263   IPP_OK_CONFLICT,
 264   IPP_OK_IGNORED_SUBSCRIPTIONS,
 265   IPP_OK_IGNORED_NOTIFICATIONS,
 266   IPP_OK_TOO_MANY_EVENTS,
 267   IPP_OK_BUT_CANCEL_SUBSCRIPTION,
 268   IPP_REDIRECTION_OTHER_SITE = 0x300,
 269   IPP_BAD_REQUEST = 0x0400,
 270   IPP_FORBIDDEN,
 271   IPP_NOT_AUTHENTICATED,
 272   IPP_NOT_AUTHORIZED,
 273   IPP_NOT_POSSIBLE,
 274   IPP_TIMEOUT,
 275   IPP_NOT_FOUND,
 276   IPP_GONE,
 277   IPP_REQUEST_ENTITY,
 278   IPP_REQUEST_VALUE,
 279   IPP_DOCUMENT_FORMAT,
 280   IPP_ATTRIBUTES,
 281   IPP_URI_SCHEME,
 282   IPP_CHARSET,
 283   IPP_CONFLICT,
 284   IPP_COMPRESSION_NOT_SUPPORTED,
 285   IPP_COMPRESSION_ERROR,
 286   IPP_DOCUMENT_FORMAT_ERROR,
 287   IPP_DOCUMENT_ACCESS_ERROR,
 288   IPP_ATTRIBUTES_NOT_SETTABLE,
 289   IPP_IGNORED_ALL_SUBSCRIPTIONS,
 290   IPP_TOO_MANY_SUBSCRIPTIONS,
 291   IPP_IGNORED_ALL_NOTIFICATIONS,
 292   IPP_PRINT_SUPPORT_FILE_NOT_FOUND,
 293
 294   IPP_INTERNAL_ERROR = 0x0500,
 295   IPP_OPERATION_NOT_SUPPORTED,
 296   IPP_SERVICE_UNAVAILABLE,
 297   IPP_VERSION_NOT_SUPPORTED,
 298   IPP_DEVICE_ERROR,
 299   IPP_TEMPORARY_ERROR,
 300   IPP_NOT_ACCEPTING,
 301   IPP_PRINTER_BUSY,
 302   IPP_ERROR_JOB_CANCELLED,
 303   IPP_MULTIPLE_JOBS_NOT_SUPPORTED,
 304   IPP_PRINTER_IS_DEACTIVATED
 305 } ipp_status_t;
 306
 307 typedef unsigned char ipp_uchar_t;/**** Unsigned 8-bit integer/character ****/
 308
 309 /**** New in CUPS 1.1.19 ****/
 310 typedef int     (*ipp_iocb_t)(void *, ipp_uchar_t *, int);
 311                                 /**** IPP IO Callback Function ****/
 312
 313 typedef union                   /**** Request Header ****/
 314 {
 315   struct                        /* Any Header */
 316   {
 317     ipp_uchar_t version[2];     /* Protocol version number */
 318     int         op_status;      /* Operation ID or status code*/
 319     int         request_id;     /* Request ID */
 320   }             any;
 321
 322   struct                        /* Operation Header */
 323   {
 324     ipp_uchar_t version[2];     /* Protocol version number */
 325     ipp_op_t    operation_id;   /* Operation ID */
 326     int         request_id;     /* Request ID */
 327   }             op;
 328
 329   struct                        /* Status Header */
 330   {
 331     ipp_uchar_t version[2];     /* Protocol version number */
 332     ipp_status_t status_code;   /* Status code */
 333     int         request_id;     /* Request ID */
 334   }             status;
 335
 336   /**** New in CUPS 1.1.19 ****/
 337   struct                        /* Event Header */
 338   {
 339     ipp_uchar_t version[2];     /* Protocol version number */
 340     ipp_status_t status_code;   /* Status code */
 341     int         request_id;     /* Request ID */
 342   }             event;
 343 } ipp_request_t;
 344
 345 /**** New in CUPS 1.1.19 ****/
 346 typedef struct ipp_str ipp_t;
 347
 348 typedef union                   /**** Attribute Value ****/
 349 {
 350   int           integer;        /* Integer/enumerated value */
 351
 352   char          boolean;        /* Boolean value */
 353
 354   ipp_uchar_t   date[11];       /* Date/time value */
 355
 356   struct
 357   {
 358     int         xres,           /* Horizontal resolution */
 359                 yres;           /* Vertical resolution */
 360     ipp_res_t   units;          /* Resolution units */
 361   }             resolution;     /* Resolution value */
 362
 363   struct
 364   {
 365     int         lower,          /* Lower value */
 366                 upper;          /* Upper value */
 367   }             range;          /* Range of integers value */
 368
 369   struct
 370   {
 371     char        *charset;       /* Character set */
 372     char        *text;          /* String */
 373   }             string;         /* String with language value */
 374
 375   struct
 376   {
 377     int         length;         /* Length of attribute */
 378     void        *data;          /* Data in attribute */
 379   }             unknown;        /* Unknown attribute type */
 380
 381 /**** New in CUPS 1.1.19 ****/
 382   ipp_t         *collection;    /* Collection value */
 383 } ipp_value_t;
 384
 385 typedef struct ipp_attribute_s  /**** Attribute ****/
 386 {
 387   struct ipp_attribute_s *next; /* Next attribute in list */
 388   ipp_tag_t     group_tag,      /* Job/Printer/Operation group tag */
 389                 value_tag;      /* What type of value is it? */
 390   char          *name;          /* Name of attribute */
 391   int           num_values;     /* Number of values */
 392   ipp_value_t   values[1];      /* Values */
 393 } ipp_attribute_t;
 394
 395 struct ipp_str                  /**** IPP Request/Response/Notification ****/
 396 {
 397   ipp_state_t   state;          /* State of request */
 398   ipp_request_t request;        /* Request header */
 399   ipp_attribute_t *attrs,       /* Attributes */
 400                 *last,          /* Last attribute in list */
 401                 *current;       /* Current attribute (for read/write) */
 402   ipp_tag_t     curtag;         /* Current attribute group tag */
 403
 404 /**** New in CUPS 1.2 ****/
 405   ipp_attribute_t *prev;        /* Previous attribute (for read) */
 406 };
 407
 408
 409 /*
 410  * Prototypes...
 411  */
 412
 413 extern ipp_attribute_t  *ippAddBoolean(ipp_t *ipp, ipp_tag_t group, const char *name, char value);
 414 extern ipp_attribute_t  *ippAddBooleans(ipp_t *ipp, ipp_tag_t group, const char *name, int num_values, const char *values);
 415 extern ipp_attribute_t  *ippAddDate(ipp_t *ipp, ipp_tag_t group, const char *name, const ipp_uchar_t *value);
 416 extern ipp_attribute_t  *ippAddInteger(ipp_t *ipp, ipp_tag_t group, ipp_tag_t type, const char *name, int value);
 417 extern ipp_attribute_t  *ippAddIntegers(ipp_t *ipp, ipp_tag_t group, ipp_tag_t type, const char *name, int num_values, const int *values);
 418 extern ipp_attribute_t  *ippAddRange(ipp_t *ipp, ipp_tag_t group, const char *name, int lower, int upper);
 419 extern ipp_attribute_t  *ippAddRanges(ipp_t *ipp, ipp_tag_t group, const char *name, int num_values, const int *lower, const int *upper);
 420 extern ipp_attribute_t  *ippAddResolution(ipp_t *ipp, ipp_tag_t group, const char *name, ipp_res_t units, int xres, int yres);
 421 extern ipp_attribute_t  *ippAddResolutions(ipp_t *ipp, ipp_tag_t group, const char *name, int num_values, ipp_res_t units, const int *xres, const int *yres);
 422 extern ipp_attribute_t  *ippAddSeparator(ipp_t *ipp);
 423 extern ipp_attribute_t  *ippAddString(ipp_t *ipp, ipp_tag_t group, ipp_tag_t type, const char *name, const char *charset, const char *value);
 424 extern ipp_attribute_t  *ippAddStrings(ipp_t *ipp, ipp_tag_t group, ipp_tag_t type, const char *name, int num_values, const char *charset, const char * const *values);
 425 extern time_t           ippDateToTime(const ipp_uchar_t *date);
 426 extern void             ippDelete(ipp_t *ipp);
 427 extern const char       *ippErrorString(ipp_status_t error);
 428 extern ipp_attribute_t  *ippFindAttribute(ipp_t *ipp, const char *name,
 429                                           ipp_tag_t type);
 430 extern ipp_attribute_t  *ippFindNextAttribute(ipp_t *ipp, const char *name,
 431                                               ipp_tag_t type);
 432 extern size_t           ippLength(ipp_t *ipp);
 433 extern ipp_t            *ippNew(void);
 434 extern ipp_state_t      ippRead(http_t *http, ipp_t *ipp);
 435 extern const ipp_uchar_t *ippTimeToDate(time_t t);
 436 extern ipp_state_t      ippWrite(http_t *http, ipp_t *ipp);
 437 extern int              ippPort(void);
 438 extern void             ippSetPort(int p);
 439
 440 /**** New in CUPS 1.1.19 ****/
 441 extern ipp_attribute_t  *ippAddCollection(ipp_t *ipp, ipp_tag_t group, const char *name, ipp_t *value);
 442 extern ipp_attribute_t  *ippAddCollections(ipp_t *ipp, ipp_tag_t group, const char *name, int num_values, const ipp_t **values);
 443 extern void             ippDeleteAttribute(ipp_t *ipp, ipp_attribute_t *attr);
 444 extern ipp_state_t      ippReadFile(int fd, ipp_t *ipp);
 445 extern ipp_state_t      ippReadIO(void *src, ipp_iocb_t cb, int blocking, ipp_t *parent, ipp_t *ipp);
 446 extern ipp_state_t      ippWriteFile(int fd, ipp_t *ipp);
 447 extern ipp_state_t      ippWriteIO(void *dst, ipp_iocb_t cb, int blocking, ipp_t *parent, ipp_t *ipp);
 448
 449 /**** New in CUPS 1.2 ****/
 450 extern ipp_attribute_t  *ippAddOctetString(ipp_t *ipp, ipp_tag_t group,
 451                                            const char *name,
 452                                            const void *data, int datalen);
 453 extern ipp_status_t     ippErrorValue(const char *name);
 454 extern ipp_t            *ippNewRequest(ipp_op_t op);
 455 extern const char       *ippOpString(ipp_op_t op);
 456 extern ipp_op_t         ippOpValue(const char *name);
 457
 458 /*
 459  * "Private" functions used internally by CUPS...
 460  */
 461
 462 extern ipp_attribute_t  *_ipp_add_attr(ipp_t *, int);
 463 extern void             _ipp_free_attr(ipp_attribute_t *);
 464
 465
 466 /*
 467  * C++ magic...
 468  */
 469
 470 #  ifdef __cplusplus
 471 }
 472 #  endif /* __cplusplus */
 473 #endif /* !_CUPS_IPP_H_ */
 474
 475 /*
 476  * End of "$Id: ipp.h 4922 2006-01-12 22:05:06Z mike $".
 477  */