scheduler/conf.h

   1 /*
   2  * Configuration file definitions for the CUPS scheduler.
   3  *
   4  * Copyright © 2007-2018 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
  12 /*
  13  * Log levels...
  14  */
  15
  16 typedef enum
  17 {
  18   CUPSD_LOG_PPD = -5,                   /* Used internally for PPD keywords */
  19   CUPSD_LOG_ATTR,                       /* Used internally for attributes */
  20   CUPSD_LOG_STATE,                      /* Used internally for printer-state-reasons */
  21   CUPSD_LOG_JOBSTATE,                   /* Used internally for job-state-reasons */
  22   CUPSD_LOG_PAGE,                       /* Used internally for page logging */
  23   CUPSD_LOG_NONE,
  24   CUPSD_LOG_EMERG,                      /* Emergency issues */
  25   CUPSD_LOG_ALERT,                      /* Something bad happened that needs attention */
  26   CUPSD_LOG_CRIT,                       /* Critical error but server continues */
  27   CUPSD_LOG_ERROR,                      /* Error condition */
  28   CUPSD_LOG_WARN,                       /* Warning */
  29   CUPSD_LOG_NOTICE,                     /* Normal condition that needs logging */
  30   CUPSD_LOG_INFO,                       /* General information */
  31   CUPSD_LOG_DEBUG,                      /* General debugging */
  32   CUPSD_LOG_DEBUG2                      /* Detailed debugging */
  33 } cupsd_loglevel_t;
  34
  35 typedef enum
  36 {
  37   CUPSD_ACCESSLOG_NONE,                 /* Log no requests */
  38   CUPSD_ACCESSLOG_CONFIG,               /* Log config requests */
  39   CUPSD_ACCESSLOG_ACTIONS,              /* Log config, print, and job management requests */
  40   CUPSD_ACCESSLOG_ALL                   /* Log everything */
  41 } cupsd_accesslog_t;
  42
  43 typedef enum
  44 {
  45   CUPSD_TIME_STANDARD,                  /* "Standard" Apache/CLF format */
  46   CUPSD_TIME_USECS                      /* Standard format with microseconds */
  47 } cupsd_time_t;
  48
  49 typedef enum
  50 {
  51   CUPSD_SANDBOXING_OFF,                 /* No sandboxing */
  52   CUPSD_SANDBOXING_RELAXED,             /* Relaxed sandboxing */
  53   CUPSD_SANDBOXING_STRICT               /* Strict sandboxing */
  54 } cupsd_sandboxing_t;
  55
  56
  57 /*
  58  * FatalErrors flags...
  59  */
  60
  61 #define CUPSD_FATAL_NONE        0       /* No errors are fatal */
  62 #define CUPSD_FATAL_BROWSE      1       /* Browse bind errors are fatal */
  63 #define CUPSD_FATAL_CONFIG      2       /* Config file syntax errors are fatal */
  64 #define CUPSD_FATAL_LISTEN      4       /* Listen/Port bind errors are fatal */
  65 #define CUPSD_FATAL_LOG         8       /* Log file errors are fatal */
  66 #define CUPSD_FATAL_PERMISSIONS 16      /* File permission errors are fatal */
  67 #define CUPSD_FATAL_ALL         ~0      /* All errors are fatal */
  68
  69
  70 /*
  71  * Printcap formats...
  72  */
  73
  74 #define PRINTCAP_BSD            0       /* Berkeley LPD format */
  75 #define PRINTCAP_SOLARIS        1       /* Solaris lpsched format */
  76 #define PRINTCAP_PLIST          2       /* macOS plist format */
  77
  78
  79 /*
  80  * ServerAlias data...
  81  */
  82
  83 typedef struct
  84 {
  85   size_t        namelen;                /* Length of alias name */
  86   char          name[1];                /* Alias name */
  87 } cupsd_alias_t;
  88
  89
  90 /*
  91  * Globals...
  92  */
  93
  94 VAR char                *ConfigurationFile      VALUE(NULL),
  95                                         /* cupsd.conf file to use */
  96                         *CupsFilesFile          VALUE(NULL),
  97                                         /* cups-files.conf file to use */
  98                         *ServerName             VALUE(NULL),
  99                                         /* FQDN for server */
 100                         *ServerAdmin            VALUE(NULL),
 101                                         /* Administrator's email */
 102                         *ServerRoot             VALUE(NULL),
 103                                         /* Root directory for scheduler */
 104                         *ServerBin              VALUE(NULL),
 105                                         /* Root directory for binaries */
 106                         *StateDir               VALUE(NULL),
 107                                         /* Root directory for state data */
 108                         *RequestRoot            VALUE(NULL),
 109                                         /* Directory for request files */
 110                         *DocumentRoot           VALUE(NULL);
 111                                         /* Root directory for documents */
 112 VAR cups_array_t        *ServerAlias            VALUE(NULL);
 113                                         /* Alias names for server */
 114 VAR int                 ServerNameIsIP          VALUE(0);
 115                                         /* Is the ServerName an IP address? */
 116 VAR int                 NumSystemGroups         VALUE(0);
 117                                         /* Number of system group names */
 118 VAR char                *SystemGroups[MAX_SYSTEM_GROUPS]
 119                                                 VALUE({0});
 120                                         /* System group names */
 121 VAR gid_t               SystemGroupIDs[MAX_SYSTEM_GROUPS]
 122                                                 VALUE({0});
 123                                         /* System group IDs */
 124 VAR char                *AccessLog              VALUE(NULL),
 125                                         /* Access log filename */
 126                         *ErrorLog               VALUE(NULL),
 127                                         /* Error log filename */
 128                         *PageLog                VALUE(NULL),
 129                                         /* Page log filename */
 130                         *CacheDir               VALUE(NULL),
 131                                         /* Cache file directory */
 132                         *DataDir                VALUE(NULL),
 133                                         /* Data file directory */
 134                         *DefaultLanguage        VALUE(NULL),
 135                                         /* Default language encoding */
 136                         *DefaultLocale          VALUE(NULL),
 137                                         /* Default locale */
 138                         *DefaultPaperSize       VALUE(NULL),
 139                                         /* Default paper size */
 140                         *ErrorPolicy            VALUE(NULL),
 141                                         /* Default printer-error-policy */
 142                         *RIPCache               VALUE(NULL),
 143                                         /* Amount of memory for RIPs */
 144                         *TempDir                VALUE(NULL),
 145                                         /* Temporary directory */
 146                         *Printcap               VALUE(NULL),
 147                                         /* Printcap file */
 148                         *FontPath               VALUE(NULL),
 149                                         /* Font search path */
 150                         *RemoteRoot             VALUE(NULL),
 151                                         /* Remote root user */
 152                         *Classification         VALUE(NULL);
 153                                         /* Classification of system */
 154 VAR uid_t               User                    VALUE(1),
 155                                         /* User ID for server */
 156                         RunUser                 VALUE(0);
 157                                         /* User to run as, used for files */
 158 VAR gid_t               Group                   VALUE(0);
 159                                         /* Group ID for server */
 160 VAR cupsd_accesslog_t   AccessLogLevel          VALUE(CUPSD_ACCESSLOG_ACTIONS);
 161                                         /* Access log level */
 162 VAR int                 ClassifyOverride        VALUE(0),
 163                                         /* Allow overrides? */
 164                         LogDebugHistory         VALUE(200),
 165                                         /* Amount of automatic debug history */
 166                         FatalErrors             VALUE(CUPSD_FATAL_CONFIG),
 167                                         /* Which errors are fatal? */
 168                         StrictConformance       VALUE(FALSE),
 169                                         /* Require strict IPP conformance? */
 170                         SyncOnClose             VALUE(FALSE);
 171                                         /* Call fsync() when closing files? */
 172 VAR mode_t              ConfigFilePerm          VALUE(0640U),
 173                                         /* Permissions for config files */
 174                         LogFilePerm             VALUE(0644U);
 175                                         /* Permissions for log files */
 176 VAR cupsd_loglevel_t    LogLevel                VALUE(CUPSD_LOG_WARN);
 177                                         /* Error log level */
 178 VAR cupsd_time_t        LogTimeFormat           VALUE(CUPSD_TIME_STANDARD);
 179                                         /* Log file time format */
 180 VAR cups_file_t         *LogStderr              VALUE(NULL);
 181                                         /* Stderr file, if any */
 182 VAR cupsd_sandboxing_t  Sandboxing              VALUE(CUPSD_SANDBOXING_STRICT);
 183                                         /* Sandboxing level */
 184 VAR int                 UseSandboxing   VALUE(1);
 185                                         /* Use sandboxing for child procs? */
 186 VAR int                 MaxClients              VALUE(100),
 187                                         /* Maximum number of clients */
 188                         MaxClientsPerHost       VALUE(0),
 189                                         /* Maximum number of clients per host */
 190                         MaxCopies               VALUE(CUPS_DEFAULT_MAX_COPIES),
 191                                         /* Maximum number of copies per job */
 192                         MaxLogSize              VALUE(1024 * 1024),
 193                                         /* Maximum size of log files */
 194                         MaxRequestSize          VALUE(0),
 195                                         /* Maximum size of IPP requests */
 196                         HostNameLookups         VALUE(FALSE),
 197                                         /* Do we do reverse lookups? */
 198                         Timeout                 VALUE(DEFAULT_TIMEOUT),
 199                                         /* Timeout during requests */
 200                         KeepAlive               VALUE(TRUE),
 201                                         /* Support the Keep-Alive option? */
 202                         FileDevice              VALUE(FALSE),
 203                                         /* Allow file: devices? */
 204                         FilterLimit             VALUE(0),
 205                                         /* Max filter cost at any time */
 206                         FilterLevel             VALUE(0),
 207                                         /* Current filter level */
 208                         FilterNice              VALUE(0),
 209                                         /* Nice value for filters */
 210                         ReloadTimeout           VALUE(DEFAULT_KEEPALIVE),
 211                                         /* Timeout before reload from SIGHUP */
 212                         RootCertDuration        VALUE(300),
 213                                         /* Root certificate update interval */
 214                         PrintcapFormat          VALUE(PRINTCAP_BSD),
 215                                         /* Format of printcap file? */
 216                         DefaultShared           VALUE(TRUE),
 217                                         /* Share printers by default? */
 218                         MultipleOperationTimeout VALUE(DEFAULT_TIMEOUT),
 219                                         /* multiple-operation-time-out value */
 220                         WebInterface            VALUE(CUPS_DEFAULT_WEBIF);
 221                                         /* Enable the web interface? */
 222 VAR cups_file_t         *AccessFile             VALUE(NULL),
 223                                         /* Access log file */
 224                         *ErrorFile              VALUE(NULL),
 225                                         /* Error log file */
 226                         *PageFile               VALUE(NULL);
 227                                         /* Page log file */
 228 VAR char                *PageLogFormat          VALUE(NULL);
 229                                         /* Page log format */
 230 VAR mime_t              *MimeDatabase           VALUE(NULL);
 231                                         /* MIME type database */
 232 VAR int                 NumMimeTypes            VALUE(0);
 233                                         /* Number of MIME types */
 234 VAR const char          **MimeTypes             VALUE(NULL);
 235                                         /* Array of MIME types */
 236
 237 #ifdef HAVE_SSL
 238 VAR int                 CreateSelfSignedCerts   VALUE(TRUE);
 239                                         /* Automatically create self-signed certs? */
 240 VAR char                *ServerKeychain         VALUE(NULL);
 241                                         /* Keychain holding cert + key */
 242 #endif /* HAVE_SSL */
 243
 244 #ifdef HAVE_ONDEMAND
 245 VAR int                 IdleExitTimeout         VALUE(60);
 246                                         /* Time after which an idle cupsd will exit */
 247 #endif /* HAVE_ONDEMAND */
 248
 249 #ifdef HAVE_AUTHORIZATION_H
 250 VAR char                *SystemGroupAuthKey     VALUE(NULL);
 251                                         /* System group auth key */
 252 #endif /* HAVE_AUTHORIZATION_H */
 253
 254 #ifdef HAVE_GSSAPI
 255 VAR char                *GSSServiceName         VALUE(NULL);
 256                                         /* GSS service name */
 257 VAR int                 HaveServerCreds         VALUE(0);
 258                                         /* Do we have server credentials? */
 259 VAR gss_cred_id_t       ServerCreds;    /* Server's GSS credentials */
 260 #endif /* HAVE_GSSAPI */
 261
 262
 263 /*
 264  * Prototypes...
 265  */
 266
 267 extern void     cupsdAddAlias(cups_array_t *aliases, const char *name);
 268 extern int      cupsdCheckLogFile(cups_file_t **lf, const char *logname);
 269 extern int      cupsdCheckPermissions(const char *filename,
 270                                       const char *suffix, mode_t mode,
 271                                       uid_t user, gid_t group, int is_dir,
 272                                       int create_dir);
 273 extern int      cupsdCheckProgram(const char *filename, cupsd_printer_t *p);
 274 extern int      cupsdDefaultAuthType(void);
 275 extern void     cupsdFreeAliases(cups_array_t *aliases);
 276 extern char     *cupsdGetDateTime(struct timeval *t, cupsd_time_t format);
 277 extern int      cupsdLogClient(cupsd_client_t *con, int level, const char *message, ...) _CUPS_FORMAT(3, 4);
 278 extern void     cupsdLogFCMessage(void *context, _cups_fc_result_t result, const char *message);
 279 #ifdef HAVE_GSSAPI
 280 extern int      cupsdLogGSSMessage(int level, OM_uint32 major_status, OM_uint32 minor_status, const char *message, ...) _CUPS_FORMAT(4, 5);
 281 #endif /* HAVE_GSSAPI */
 282 extern int      cupsdLogJob(cupsd_job_t *job, int level, const char *message,
 283                             ...) _CUPS_FORMAT(3, 4);
 284 extern int      cupsdLogMessage(int level, const char *message, ...) _CUPS_FORMAT(2, 3);
 285 extern int      cupsdLogPage(cupsd_job_t *job, const char *page);
 286 extern int      cupsdLogRequest(cupsd_client_t *con, http_status_t code);
 287 extern int      cupsdReadConfiguration(void);
 288 extern int      cupsdWriteErrorLog(int level, const char *message);