cups/cups-private.h

   1 /*
   2  * Private definitions for CUPS.
   3  *
   4  * Copyright © 2007-2019 by Apple Inc.
   5  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
   6  *
   7  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
   8  * information.
   9  */
  10
  11 #ifndef _CUPS_CUPS_PRIVATE_H_
  12 #  define _CUPS_CUPS_PRIVATE_H_
  13
  14 /*
  15  * Include necessary headers...
  16  */
  17
  18 #  include "string-private.h"
  19 #  include "array-private.h"
  20 #  include "ipp-private.h"
  21 #  include "http-private.h"
  22 #  include "language-private.h"
  23 #  include "pwg-private.h"
  24 #  include "thread-private.h"
  25 #  include <cups/cups.h>
  26 #  ifdef __APPLE__
  27 #    include <sys/cdefs.h>
  28 #    include <CoreFoundation/CoreFoundation.h>
  29 #  endif /* __APPLE__ */
  30
  31
  32 /*
  33  * C++ magic...
  34  */
  35
  36 #  ifdef __cplusplus
  37 extern "C" {
  38 #  endif /* __cplusplus */
  39
  40
  41 /*
  42  * Types...
  43  */
  44
  45 typedef struct _cups_buffer_s           /**** Read/write buffer ****/
  46 {
  47   struct _cups_buffer_s *next;          /* Next buffer in list */
  48   size_t                size;           /* Size of buffer */
  49   char                  used,           /* Is this buffer used? */
  50                         d[1];           /* Data buffer */
  51 } _cups_buffer_t;
  52
  53 typedef struct _cups_raster_error_s     /**** Error buffer structure ****/
  54 {
  55   char  *start,                         /* Start of buffer */
  56         *current,                       /* Current position in buffer */
  57         *end;                           /* End of buffer */
  58 } _cups_raster_error_t;
  59
  60 typedef enum _cups_digestoptions_e      /**** Digest Options values */
  61 {
  62   _CUPS_DIGESTOPTIONS_NONE,             /* No Digest authentication options */
  63   _CUPS_DIGESTOPTIONS_DENYMD5           /* Do not use MD5 hashes for digest */
  64 } _cups_digestoptions_t;
  65
  66 typedef enum _cups_uatokens_e           /**** UserAgentTokens values */
  67 {
  68   _CUPS_UATOKENS_NONE,                  /* Do not send User-Agent */
  69   _CUPS_UATOKENS_PRODUCT_ONLY,          /* CUPS IPP */
  70   _CUPS_UATOKENS_MAJOR,                 /* CUPS/major IPP/2 */
  71   _CUPS_UATOKENS_MINOR,                 /* CUPS/major.minor IPP/2.1 */
  72   _CUPS_UATOKENS_MINIMAL,               /* CUPS/major.minor.patch IPP/2.1 */
  73   _CUPS_UATOKENS_OS,                    /* CUPS/major.minor.patch (osname osversion) IPP/2.1 */
  74   _CUPS_UATOKENS_FULL                   /* CUPS/major.minor.patch (osname osversion; architecture) IPP/2.1 */
  75 } _cups_uatokens_t;
  76
  77 typedef struct _cups_globals_s          /**** CUPS global state data ****/
  78 {
  79   /* Multiple places... */
  80   const char            *cups_datadir,  /* CUPS_DATADIR environment var */
  81                         *cups_serverbin,/* CUPS_SERVERBIN environment var */
  82                         *cups_serverroot,
  83                                         /* CUPS_SERVERROOT environment var */
  84                         *cups_statedir, /* CUPS_STATEDIR environment var */
  85                         *localedir;     /* LOCALDIR environment var */
  86
  87   /* adminutil.c */
  88   time_t                cupsd_update;   /* Last time we got or set cupsd.conf */
  89   char                  cupsd_hostname[HTTP_MAX_HOST];
  90                                         /* Hostname for connection */
  91   int                   cupsd_num_settings;
  92                                         /* Number of server settings */
  93   cups_option_t         *cupsd_settings;/* Server settings */
  94
  95   /* auth.c */
  96 #  ifdef HAVE_GSSAPI
  97   char                  gss_service_name[32];
  98                                         /* Kerberos service name */
  99 #  endif /* HAVE_GSSAPI */
 100
 101   /* backend.c */
 102   char                  resolved_uri[1024];
 103                                         /* Buffer for cupsBackendDeviceURI */
 104
 105   /* debug.c */
 106 #  ifdef DEBUG
 107   int                   thread_id;      /* Friendly thread ID */
 108 #  endif /* DEBUG */
 109
 110   /* file.c */
 111   cups_file_t           *stdio_files[3];/* stdin, stdout, stderr */
 112
 113   /* http.c */
 114   char                  http_date[256]; /* Date+time buffer */
 115
 116   /* http-addr.c */
 117   unsigned              ip_addr;        /* Packed IPv4 address */
 118   char                  *ip_ptrs[2];    /* Pointer to packed address */
 119   struct hostent        hostent;        /* Host entry for IP address */
 120 #  ifdef HAVE_GETADDRINFO
 121   char                  hostname[1024]; /* Hostname */
 122 #  endif /* HAVE_GETADDRINFO */
 123   int                   need_res_init;  /* Need to reinitialize resolver? */
 124
 125   /* ipp.c */
 126   ipp_uchar_t           ipp_date[11];   /* RFC-2579 date/time data */
 127   _cups_buffer_t        *cups_buffers;  /* Buffer list */
 128
 129   /* ipp-support.c */
 130   int                   ipp_port;       /* IPP port number */
 131   char                  ipp_unknown[255];
 132                                         /* Unknown error statuses */
 133
 134   /* language.c */
 135   cups_lang_t           *lang_default;  /* Default language */
 136 #  ifdef __APPLE__
 137   char                  language[32];   /* Cached language */
 138 #  endif /* __APPLE__ */
 139
 140   /* pwg-media.c */
 141   cups_array_t          *leg_size_lut,  /* Lookup table for legacy names */
 142                         *ppd_size_lut,  /* Lookup table for PPD names */
 143                         *pwg_size_lut;  /* Lookup table for PWG names */
 144   pwg_media_t           pwg_media;      /* PWG media data for custom size */
 145   char                  pwg_name[65],   /* PWG media name for custom size */
 146                         ppd_name[41];   /* PPD media name for custom size */
 147
 148   /* raster-error.c */
 149   _cups_raster_error_t  raster_error;   /* Raster error information */
 150
 151   /* request.c */
 152   http_t                *http;          /* Current server connection */
 153   ipp_status_t          last_error;     /* Last IPP error */
 154   char                  *last_status_message;
 155                                         /* Last IPP status-message */
 156
 157   /* snmp.c */
 158   char                  snmp_community[255];
 159                                         /* Default SNMP community name */
 160   int                   snmp_debug;     /* Log SNMP IO to stderr? */
 161
 162   /* tempfile.c */
 163   char                  tempfile[1024]; /* cupsTempFd/File buffer */
 164
 165   /* usersys.c */
 166   _cups_digestoptions_t digestoptions;  /* DigestOptions setting */
 167   _cups_uatokens_t      uatokens;       /* UserAgentTokens setting */
 168   http_encryption_t     encryption;     /* Encryption setting */
 169   char                  user[65],       /* User name */
 170                         user_agent[256],/* User-Agent string */
 171                         server[256],    /* Server address */
 172                         servername[256],/* Server hostname */
 173                         password[128];  /* Password for default callback */
 174   cups_password_cb2_t   password_cb;    /* Password callback */
 175   void                  *password_data; /* Password user data */
 176   http_tls_credentials_t tls_credentials;
 177                                         /* Default client credentials */
 178   cups_client_cert_cb_t client_cert_cb; /* Client certificate callback */
 179   void                  *client_cert_data;
 180                                         /* Client certificate user data */
 181   cups_server_cert_cb_t server_cert_cb; /* Server certificate callback */
 182   void                  *server_cert_data;
 183                                         /* Server certificate user data */
 184   int                   server_version, /* Server IPP version */
 185                         trust_first,    /* Trust on first use? */
 186                         any_root,       /* Allow any (e.g., self-signed) root */
 187                         expired_certs,  /* Allow expired certs */
 188                         validate_certs; /* Validate certificates */
 189
 190   /* util.c */
 191   char                  def_printer[256];
 192                                         /* Default printer */
 193 } _cups_globals_t;
 194
 195 typedef struct _cups_media_db_s         /* Media database */
 196 {
 197   char          *color,                 /* Media color, if any */
 198                 *key,                   /* Media key, if any */
 199                 *info,                  /* Media human-readable name, if any */
 200                 *size_name,             /* Media PWG size name, if provided */
 201                 *source,                /* Media source, if any */
 202                 *type;                  /* Media type, if any */
 203   int           width,                  /* Width in hundredths of millimeters */
 204                 length,                 /* Length in hundredths of
 205                                          * millimeters */
 206                 bottom,                 /* Bottom margin in hundredths of
 207                                          * millimeters */
 208                 left,                   /* Left margin in hundredths of
 209                                          * millimeters */
 210                 right,                  /* Right margin in hundredths of
 211                                          * millimeters */
 212                 top;                    /* Top margin in hundredths of
 213                                          * millimeters */
 214 } _cups_media_db_t;
 215
 216 typedef struct _cups_dconstres_s        /* Constraint/resolver */
 217 {
 218   char  *name;                          /* Name of resolver */
 219   ipp_t *collection;                    /* Collection containing attrs */
 220 } _cups_dconstres_t;
 221
 222 struct _cups_dinfo_s                    /* Destination capability and status
 223                                          * information */
 224 {
 225   int                   version;        /* IPP version */
 226   const char            *uri;           /* Printer URI */
 227   char                  *resource;      /* Resource path */
 228   ipp_t                 *attrs;         /* Printer attributes */
 229   int                   num_defaults;   /* Number of default options */
 230   cups_option_t         *defaults;      /* Default options */
 231   cups_array_t          *constraints;   /* Job constraints */
 232   cups_array_t          *resolvers;     /* Job resolvers */
 233   cups_array_t          *localizations; /* Localization information */
 234   cups_array_t          *media_db;      /* Media database */
 235   _cups_media_db_t      min_size,       /* Minimum size */
 236                         max_size;       /* Maximum size */
 237   unsigned              cached_flags;   /* Flags used for cached media */
 238   cups_array_t          *cached_db;     /* Cache of media from last index/default */
 239   time_t                ready_time;     /* When xxx-ready attributes were last queried */
 240   ipp_t                 *ready_attrs;   /* xxx-ready attributes */
 241   cups_array_t          *ready_db;      /* media[-col]-ready media database */
 242 };
 243
 244
 245 /*
 246  * Prototypes...
 247  */
 248
 249 #  ifdef __APPLE__
 250 extern CFStringRef      _cupsAppleCopyDefaultPaperID(void) _CUPS_PRIVATE;
 251 extern CFStringRef      _cupsAppleCopyDefaultPrinter(void) _CUPS_PRIVATE;
 252 extern int              _cupsAppleGetUseLastPrinter(void) _CUPS_PRIVATE;
 253 extern void             _cupsAppleSetDefaultPaperID(CFStringRef name) _CUPS_PRIVATE;
 254 extern void             _cupsAppleSetDefaultPrinter(CFStringRef name) _CUPS_PRIVATE;
 255 extern void             _cupsAppleSetUseLastPrinter(int uselast) _CUPS_PRIVATE;
 256 #  endif /* __APPLE__ */
 257
 258 extern char             *_cupsBufferGet(size_t size) _CUPS_PRIVATE;
 259 extern void             _cupsBufferRelease(char *b) _CUPS_PRIVATE;
 260
 261 extern http_t           *_cupsConnect(void) _CUPS_PRIVATE;
 262 extern char             *_cupsCreateDest(const char *name, const char *info, const char *device_id, const char *device_uri, char *uri, size_t urisize) _CUPS_PRIVATE;
 263 extern ipp_attribute_t  *_cupsEncodeOption(ipp_t *ipp, ipp_tag_t group_tag, _ipp_option_t *map, const char *name, const char *value) _CUPS_PRIVATE;
 264 extern int              _cupsGet1284Values(const char *device_id, cups_option_t **values) _CUPS_PRIVATE;
 265 extern const char       *_cupsGetDestResource(cups_dest_t *dest, unsigned flags, char *resource, size_t resourcesize) _CUPS_PRIVATE;
 266 extern int              _cupsGetDests(http_t *http, ipp_op_t op, const char *name, cups_dest_t **dests, cups_ptype_t type, cups_ptype_t mask) _CUPS_PRIVATE;
 267 extern const char       *_cupsGetPassword(const char *prompt) _CUPS_PRIVATE;
 268 extern void             _cupsGlobalLock(void) _CUPS_PRIVATE;
 269 extern _cups_globals_t  *_cupsGlobals(void) _CUPS_PRIVATE;
 270 extern void             _cupsGlobalUnlock(void) _CUPS_PRIVATE;
 271 #  ifdef HAVE_GSSAPI
 272 extern const char       *_cupsGSSServiceName(void) _CUPS_PRIVATE;
 273 #  endif /* HAVE_GSSAPI */
 274 extern int              _cupsNextDelay(int current, int *previous) _CUPS_PRIVATE;
 275 extern void             _cupsSetDefaults(void) _CUPS_INTERNAL;
 276 extern void             _cupsSetError(ipp_status_t status, const char *message, int localize) _CUPS_PRIVATE;
 277 extern void             _cupsSetHTTPError(http_status_t status) _CUPS_INTERNAL;
 278 #  ifdef HAVE_GSSAPI
 279 extern int              _cupsSetNegotiateAuthString(http_t *http, const char *method, const char *resource) _CUPS_PRIVATE;
 280 #  endif /* HAVE_GSSAPI */
 281 extern char             *_cupsUserDefault(char *name, size_t namesize) _CUPS_INTERNAL;
 282
 283
 284 /*
 285  * C++ magic...
 286  */
 287
 288 #  ifdef __cplusplus
 289 }
 290 #  endif /* __cplusplus */
 291 #endif /* !_CUPS_CUPS_PRIVATE_H_ */