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 			*home,		/* HOME environment var */
86 			*localedir;	/* LOCALDIR environment var */
87 
88   /* adminutil.c */
89   time_t		cupsd_update;	/* Last time we got or set cupsd.conf */
90   char			cupsd_hostname[HTTP_MAX_HOST];
91 					/* Hostname for connection */
92   int			cupsd_num_settings;
93 					/* Number of server settings */
94   cups_option_t		*cupsd_settings;/* Server settings */
95 
96   /* auth.c */
97 #  ifdef HAVE_GSSAPI
98   char			gss_service_name[32];
99   					/* Kerberos service name */
100 #  endif /* HAVE_GSSAPI */
101 
102   /* backend.c */
103   char			resolved_uri[1024];
104 					/* Buffer for cupsBackendDeviceURI */
105 
106   /* debug.c */
107 #  ifdef DEBUG
108   int			thread_id;	/* Friendly thread ID */
109 #  endif /* DEBUG */
110 
111   /* file.c */
112   cups_file_t		*stdio_files[3];/* stdin, stdout, stderr */
113 
114   /* http.c */
115   char			http_date[256];	/* Date+time buffer */
116 
117   /* http-addr.c */
118   unsigned		ip_addr;	/* Packed IPv4 address */
119   char			*ip_ptrs[2];	/* Pointer to packed address */
120   struct hostent	hostent;	/* Host entry for IP address */
121 #  ifdef HAVE_GETADDRINFO
122   char			hostname[1024];	/* Hostname */
123 #  endif /* HAVE_GETADDRINFO */
124   int			need_res_init;	/* Need to reinitialize resolver? */
125 
126   /* ipp.c */
127   ipp_uchar_t		ipp_date[11];	/* RFC-2579 date/time data */
128   _cups_buffer_t	*cups_buffers;	/* Buffer list */
129 
130   /* ipp-support.c */
131   int			ipp_port;	/* IPP port number */
132   char			ipp_unknown[255];
133 					/* Unknown error statuses */
134 
135   /* language.c */
136   cups_lang_t		*lang_default;	/* Default language */
137 #  ifdef __APPLE__
138   char			language[32];	/* Cached language */
139 #  endif /* __APPLE__ */
140 
141   /* pwg-media.c */
142   cups_array_t		*leg_size_lut,	/* Lookup table for legacy names */
143 			*ppd_size_lut,	/* Lookup table for PPD names */
144 			*pwg_size_lut;	/* Lookup table for PWG names */
145   pwg_media_t		pwg_media;	/* PWG media data for custom size */
146   char			pwg_name[65],	/* PWG media name for custom size */
147 			ppd_name[41];	/* PPD media name for custom size */
148 
149   /* raster-error.c */
150   _cups_raster_error_t	raster_error;	/* Raster error information */
151 
152   /* request.c */
153   http_t		*http;		/* Current server connection */
154   ipp_status_t		last_error;	/* Last IPP error */
155   char			*last_status_message;
156 					/* Last IPP status-message */
157 
158   /* snmp.c */
159   char			snmp_community[255];
160 					/* Default SNMP community name */
161   int			snmp_debug;	/* Log SNMP IO to stderr? */
162 
163   /* tempfile.c */
164   char			tempfile[1024];	/* cupsTempFd/File buffer */
165 
166   /* usersys.c */
167   _cups_digestoptions_t	digestoptions;	/* DigestOptions setting */
168   _cups_uatokens_t	uatokens;	/* UserAgentTokens setting */
169   http_encryption_t	encryption;	/* Encryption setting */
170   char			user[65],	/* User name */
171 			user_agent[256],/* User-Agent string */
172 			server[256],	/* Server address */
173 			servername[256],/* Server hostname */
174 			password[128];	/* Password for default callback */
175   cups_password_cb2_t	password_cb;	/* Password callback */
176   void			*password_data;	/* Password user data */
177   http_tls_credentials_t tls_credentials;
178 					/* Default client credentials */
179   cups_client_cert_cb_t	client_cert_cb;	/* Client certificate callback */
180   void			*client_cert_data;
181 					/* Client certificate user data */
182   cups_server_cert_cb_t	server_cert_cb;	/* Server certificate callback */
183   void			*server_cert_data;
184 					/* Server certificate user data */
185   int			server_version,	/* Server IPP version */
186 			trust_first,	/* Trust on first use? */
187 			any_root,	/* Allow any (e.g., self-signed) root */
188 			expired_certs,	/* Allow expired certs */
189 			validate_certs;	/* Validate certificates */
190 
191   /* util.c */
192   char			def_printer[256];
193 					/* Default printer */
194 } _cups_globals_t;
195 
196 typedef struct _cups_media_db_s		/* Media database */
197 {
198   char		*color,			/* Media color, if any */
199 		*key,			/* Media key, if any */
200 		*info,			/* Media human-readable name, if any */
201 		*size_name,		/* Media PWG size name, if provided */
202 		*source,		/* Media source, if any */
203 		*type;			/* Media type, if any */
204   int		width,			/* Width in hundredths of millimeters */
205 		length,			/* Length in hundredths of
206 					 * millimeters */
207 		bottom,			/* Bottom margin in hundredths of
208 					 * millimeters */
209 		left,			/* Left margin in hundredths of
210 					 * millimeters */
211 		right,			/* Right margin in hundredths of
212 					 * millimeters */
213 		top;			/* Top margin in hundredths of
214 					 * millimeters */
215 } _cups_media_db_t;
216 
217 typedef struct _cups_dconstres_s	/* Constraint/resolver */
218 {
219   char	*name;				/* Name of resolver */
220   ipp_t	*collection;			/* Collection containing attrs */
221 } _cups_dconstres_t;
222 
223 struct _cups_dinfo_s			/* Destination capability and status
224 					 * information */
225 {
226   int			version;	/* IPP version */
227   const char		*uri;		/* Printer URI */
228   char			*resource;	/* Resource path */
229   ipp_t			*attrs;		/* Printer attributes */
230   int			num_defaults;	/* Number of default options */
231   cups_option_t		*defaults;	/* Default options */
232   cups_array_t		*constraints;	/* Job constraints */
233   cups_array_t		*resolvers;	/* Job resolvers */
234   cups_array_t		*localizations;	/* Localization information */
235   cups_array_t		*media_db;	/* Media database */
236   _cups_media_db_t	min_size,	/* Minimum size */
237 			max_size;	/* Maximum size */
238   unsigned		cached_flags;	/* Flags used for cached media */
239   cups_array_t		*cached_db;	/* Cache of media from last index/default */
240   time_t		ready_time;	/* When xxx-ready attributes were last queried */
241   ipp_t			*ready_attrs;	/* xxx-ready attributes */
242   cups_array_t		*ready_db;	/* media[-col]-ready media database */
243 };
244 
245 
246 /*
247  * Prototypes...
248  */
249 
250 #  ifdef __APPLE__
251 extern CFStringRef	_cupsAppleCopyDefaultPaperID(void) _CUPS_PRIVATE;
252 extern CFStringRef	_cupsAppleCopyDefaultPrinter(void) _CUPS_PRIVATE;
253 extern int		_cupsAppleGetUseLastPrinter(void) _CUPS_PRIVATE;
254 extern void		_cupsAppleSetDefaultPaperID(CFStringRef name) _CUPS_PRIVATE;
255 extern void		_cupsAppleSetDefaultPrinter(CFStringRef name) _CUPS_PRIVATE;
256 extern void		_cupsAppleSetUseLastPrinter(int uselast) _CUPS_PRIVATE;
257 #  endif /* __APPLE__ */
258 
259 extern char		*_cupsBufferGet(size_t size) _CUPS_PRIVATE;
260 extern void		_cupsBufferRelease(char *b) _CUPS_PRIVATE;
261 
262 extern http_t		*_cupsConnect(void) _CUPS_PRIVATE;
263 extern char		*_cupsCreateDest(const char *name, const char *info, const char *device_id, const char *device_uri, char *uri, size_t urisize) _CUPS_PRIVATE;
264 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;
265 extern int		_cupsGet1284Values(const char *device_id, cups_option_t **values) _CUPS_PRIVATE;
266 extern const char	*_cupsGetDestResource(cups_dest_t *dest, unsigned flags, char *resource, size_t resourcesize) _CUPS_PRIVATE;
267 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;
268 extern const char	*_cupsGetPassword(const char *prompt) _CUPS_PRIVATE;
269 extern void		_cupsGlobalLock(void) _CUPS_PRIVATE;
270 extern _cups_globals_t	*_cupsGlobals(void) _CUPS_PRIVATE;
271 extern void		_cupsGlobalUnlock(void) _CUPS_PRIVATE;
272 #  ifdef HAVE_GSSAPI
273 extern const char	*_cupsGSSServiceName(void) _CUPS_PRIVATE;
274 #  endif /* HAVE_GSSAPI */
275 extern int		_cupsNextDelay(int current, int *previous) _CUPS_PRIVATE;
276 extern void		_cupsSetDefaults(void) _CUPS_INTERNAL;
277 extern void		_cupsSetError(ipp_status_t status, const char *message, int localize) _CUPS_PRIVATE;
278 extern void		_cupsSetHTTPError(http_status_t status) _CUPS_INTERNAL;
279 #  ifdef HAVE_GSSAPI
280 extern int		_cupsSetNegotiateAuthString(http_t *http, const char *method, const char *resource) _CUPS_PRIVATE;
281 #  endif /* HAVE_GSSAPI */
282 extern char		*_cupsUserDefault(char *name, size_t namesize) _CUPS_INTERNAL;
283 
284 
285 /*
286  * C++ magic...
287  */
288 
289 #  ifdef __cplusplus
290 }
291 #  endif /* __cplusplus */
292 #endif /* !_CUPS_CUPS_PRIVATE_H_ */
293