lp.h revision 78146
1/* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * From: @(#)lp.h 8.2 (Berkeley) 4/28/95 34 * $FreeBSD: head/usr.sbin/lpr/common_source/lp.h 78146 2001-06-12 16:38:20Z gad $ 35 */ 36 37#include <sys/queue.h> 38#include <time.h> 39#include <netdb.h> 40 41/* 42 * All this information used to be in global static variables shared 43 * mysteriously by various parts of the lpr/lpd suite. 44 * This structure attempts to centralize all these declarations in the 45 * hope that they can later be made more dynamic. 46 */ 47enum lpd_filters { LPF_CIFPLOT, LPF_DVI, LPF_GRAPH, LPF_INPUT, 48 LPF_DITROFF, LPF_OUTPUT, LPF_FORTRAN, LPF_TROFF, 49 LPF_RASTER, LPF_COUNT }; 50/* NB: there is a table in common.c giving the mapping from capability names */ 51 52struct printer { 53 char *printer; /* printer name */ 54 int remote; /* true if RM points to a remote host */ 55 int rp_matches_local; /* true if rp has same name as us */ 56 int tof; /* true if we are at top-of-form */ 57 /* ------------------------------------------------------ */ 58 char *acct_file; /* AF: accounting file */ 59 long baud_rate; /* BR: baud rate if lp is a tty */ 60 char *filters[LPF_COUNT]; /* CF, DF, GF, IF, NF, OF, RF, TF, VF */ 61 long conn_timeout; /* CT: TCP connection timeout */ 62 long daemon_user; /* DU: daemon user id -- XXX belongs ???? */ 63 char *form_feed; /* FF: form feed */ 64 long header_last; /* HL: print header last */ 65 char *log_file; /* LF: log file */ 66 char *lock_file; /* LO: lock file */ 67 char *lp; /* LP: device name or network address */ 68 long max_copies; /* MC: maximum number of copies allowed */ 69 long max_blocks; /* MX: maximum number of blocks to copy */ 70 long price100; /* PC: price per 100 units of output */ 71 long page_length; /* PL: page length */ 72 long page_width; /* PW: page width */ 73 long page_pwidth; /* PX: page width in pixels */ 74 long page_plength; /* PY: page length in pixels */ 75 char *restrict_grp; /* RG: restricted group */ 76 char *remote_host; /* RM: remote machine name */ 77 char *remote_queue; /* RP: remote printer name */ 78 long restricted; /* RS: restricted to those with local accts */ 79 long rw; /* RW: open LP for reading and writing */ 80 long short_banner; /* SB: short banner */ 81 long no_copies; /* SC: suppress multiple copies */ 82 char *spool_dir; /* SD: spool directory */ 83 long no_formfeed; /* SF: suppress FF on each print job */ 84 long no_header; /* SH: suppress header page */ 85 char *stat_recv; /* SR: statistics file, receiving jobs */ 86 char *stat_send; /* SS: statistics file, sending jobs */ 87 char *status_file; /* ST: status file name */ 88 char *trailer; /* TR: trailer string send when Q empties */ 89 char *mode_set; /* MS: mode set, a la stty */ 90 91 /* variables used by trstat*() to keep statistics on file transfers */ 92#define JOBNUM_SIZE 8 93 char jobnum[JOBNUM_SIZE]; 94 long jobdfnum; /* current datafile number within job */ 95 struct timespec tr_start, tr_done; 96#define TIMESTR_SIZE 40 /* holds result from LPD_TIMESTAMP_PATTERN */ 97 char tr_timestr[TIMESTR_SIZE]; 98#define DIFFTIME_TS(endTS,startTS) \ 99 ((double)(endTS.tv_sec - startTS.tv_sec) \ 100 + (endTS.tv_nsec - startTS.tv_nsec) * 1.0e-9) 101}; 102 103/* 104 * Lists of user names and job numbers, for the benefit of the structs 105 * defined below. We use TAILQs so that requests don't get mysteriously 106 * reversed in process. 107 */ 108struct req_user { 109 TAILQ_ENTRY(req_user) ru_link; /* macro glue */ 110 char ru_uname[1]; /* name of user */ 111}; 112TAILQ_HEAD(req_user_head, req_user); 113 114struct req_file { 115 TAILQ_ENTRY(req_file) rf_link; /* macro glue */ 116 char rf_type; /* type (lowercase cf file letter) of file */ 117 char *rf_prettyname; /* user-visible name of file */ 118 char rf_fname[1]; /* name of file */ 119}; 120TAILQ_HEAD(req_file_head, req_file); 121 122struct req_jobid { 123 TAILQ_ENTRY(req_jobid) rj_link; /* macro glue */ 124 int rj_job; /* job number */ 125}; 126TAILQ_HEAD(req_jobid_head, req_jobid); 127 128/* 129 * Encapsulate all the information relevant to a request in the 130 * lpr/lpd protocol. 131 */ 132enum req_type { REQ_START, REQ_RECVJOB, REQ_LIST, REQ_DELETE }; 133 134struct request { 135 enum req_type type; /* what sort of request is this? */ 136 struct printer prtr; /* which printer is it for? */ 137 int remote; /* did request arrive over network? */ 138 char *logname; /* login name of requesting user */ 139 char *authname; /* authenticated identity of requesting user */ 140 char *prettyname; /* ``pretty'' name of requesting user */ 141 int privileged; /* was the request from a privileged user? */ 142 void *authinfo; /* authentication information */ 143 int authentic; /* was the request securely authenticated? */ 144 145 /* Information for queries and deletes... */ 146 int nusers; /* length of following list... */ 147 struct req_user_head users; /* list of users to query/delete */ 148 int njobids; /* length of following list... */ 149 struct req_jobid_head jobids; /* list of jobids to query/delete */ 150}; 151 152/* 153 * Global definitions for the line printer system. 154 */ 155extern char line[BUFSIZ]; 156extern const char *name; /* program name */ 157 /* host machine name */ 158extern char host[MAXHOSTNAMELEN]; 159extern char *from; /* client's machine name */ 160extern char from_ip[NI_MAXHOST]; /* client machine's IP address */ 161 162extern int requ[]; /* job number of spool entries */ 163extern int requests; /* # of spool requests */ 164extern char *user[]; /* users to process */ 165extern int users; /* # of users in user array */ 166extern char *person; /* name of person doing lprm */ 167extern u_char family; /* address family */ 168 169/* 170 * Structure used for building a sorted list of control files. 171 */ 172struct jobqueue { 173 time_t job_time; /* last-mod time of cf-file */ 174 char job_cfname[MAXNAMLEN+1]; /* control file name */ 175}; 176 177/* lpr/lpd generates readable timestamps for logfiles, etc. Have all those 178 * timestamps be in the same format wrt strftime(). This is ISO 8601 format, 179 * with the addition of an easy-readable day-of-the-week field. Note that 180 * '%T' = '%H:%M:%S', and that '%z' is not available on all platforms. 181 */ 182#define LPD_TIMESTAMP_PATTERN "%Y-%m-%dT%T%z %a" 183 184/* 185 * Codes to indicate which statistic records trstat_write should write. 186 */ 187typedef enum { TR_SENDING, TR_RECVING, TR_PRINTING } tr_sendrecv; 188 189/* 190 * Error codes for our mini printcap library. 191 */ 192#define PCAPERR_TCLOOP (-3) 193#define PCAPERR_OSERR (-2) 194#define PCAPERR_NOTFOUND (-1) 195#define PCAPERR_SUCCESS 0 196#define PCAPERR_TCOPEN 1 197 198/* 199 * File modes for the various status files maintained by lpd. 200 */ 201#define LOCK_FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH) 202#define LFM_PRINT_DIS (S_IXUSR) 203#define LFM_QUEUE_DIS (S_IXGRP) 204#define LFM_RESET_QUE (S_IXOTH) 205 206#define STAT_FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH) 207#define LOG_FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH) 208#define TEMP_FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH) 209 210/* 211 * Command codes used in the protocol. 212 */ 213#define CMD_CHECK_QUE '\1' 214#define CMD_TAKE_THIS '\2' 215#define CMD_SHOWQ_SHORT '\3' 216#define CMD_SHOWQ_LONG '\4' 217#define CMD_RMJOB '\5' 218 219#include <sys/cdefs.h> 220 221__BEGIN_DECLS 222struct dirent; 223 224void blankfill(int _tocol); 225char *checkremote(struct printer *_pp); 226int chk(char *_file); 227void closeallfds(int _start); 228void delay(int _millisec); 229void displayq(struct printer *_pp, int _format); 230void dump(const char *_nfile, const char *_datafile, int _copies); 231void fatal(const struct printer *_pp, const char *_msg, ...); 232int firstprinter(struct printer *_pp, int *_error); 233void free_printer(struct printer *_pp); 234void free_request(struct request *_rp); 235int getline(FILE *_cfp); 236int getport(const struct printer *_pp, const char *_rhost, int _rport); 237int getprintcap(const char *_printer, struct printer *_pp); 238int getq(const struct printer *_pp, struct jobqueue *(*_namelist[])); 239void header(void); 240void inform(const struct printer *_pp, char *_cf); 241void init_printer(struct printer *_pp); 242void init_request(struct request *_rp); 243int inlist(char *_uname, char *_cfile); 244int iscf(struct dirent *_d); 245int isowner(char *_owner, char *_file); 246void ldump(const char *_nfile, const char *_datafile, int _copies); 247void lastprinter(void); 248int lockchk(struct printer *_pp, char *_slockf); 249char *lock_file_name(const struct printer *_pp, char *_buf, size_t _len); 250void lpd_gettime(struct timespec *_tsp, char *_strp, int _strsize); 251int nextprinter(struct printer *_pp, int *_error); 252const 253char *pcaperr(int _error); 254void prank(int _n); 255void process(const struct printer *_pp, char *_file); 256void rmjob(const char *_printer); 257void rmremote(const struct printer *_pp); 258void setprintcap(char *_newfile); 259void show(const char *_nfile, const char *_datafile, int _copies); 260int startdaemon(const struct printer *_pp); 261char *status_file_name(const struct printer *_pp, char *_buf, 262 size_t _len); 263void trstat_init(struct printer *_pp, const char *_fname, int _filenum); 264void trstat_write(struct printer *_pp, tr_sendrecv _sendrecv, 265 size_t _bytecnt, const char *_userid, const char *_otherhost, 266 const char *_orighost); 267ssize_t writel(int _strm, ...); 268__END_DECLS 269