1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Berkeley and its contributors. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef lint 36 static const char copyright[] = 37 "@(#) Copyright (c) 1983, 1993\n\ 38 The Regents of the University of California. All rights reserved.\n"; 39 #endif /* not lint */ 40 41 #ifndef lint 42 #if 0 43 static char sccsid[] = "@(#)pac.c 8.1 (Berkeley) 6/6/93"; 44 #endif 45 static const char rcsid[] = 46 "$Id$"; 47 #endif /* not lint */ 48 49 /* 50 * Do Printer accounting summary. 51 * Currently, usage is 52 * pac [-Pprinter] [-pprice] [-s] [-r] [-c] [-m] [user ...] 53 * to print the usage information for the named people. 54 */ 55 56 #include <sys/param.h> 57 58 #include <dirent.h> 59 #include <stdlib.h> 60 #include <stdio.h> 61 #include <string.h> 62 #include "lp.h" 63 #include "lp.local.h" 64 65 static char *acctfile; /* accounting file (input data) */ 66 static int allflag = 1; /* Get stats on everybody */ 67 static int errs; 68 static int hcount; /* Count of hash entries */ 69 static int mflag = 0; /* disregard machine names */ 70 static int pflag = 0; /* 1 if -p on cmd line */ 71 static float price = 0.02; /* cost per page (or what ever) */ 72 static long price100; /* per-page cost in 100th of a cent */ 73 static int reverse; /* Reverse sort order */ 74 static int sort; /* Sort by cost */ 75 static char *sumfile; /* summary file */ 76 static int summarize; /* Compress accounting file */ 77 78 uid_t uid, euid; 79 80 /* 81 * Grossness follows: 82 * Names to be accumulated are hashed into the following 83 * table. 84 */ 85 86 #define HSHSIZE 97 /* Number of hash buckets */ 87 88 struct hent { 89 struct hent *h_link; /* Forward hash link */ 90 char *h_name; /* Name of this user */ 91 float h_feetpages; /* Feet or pages of paper */ 92 int h_count; /* Number of runs */ 93 }; 94 95 static struct hent *hashtab[HSHSIZE]; /* Hash table proper */ 96 97 static void account __P((FILE *)); 98 static int any __P((int, char [])); 99 static int chkprinter __P((char *)); 100 static void dumpit __P((void)); 101 static int hash __P((char [])); 102 static struct hent *enter __P((char [])); 103 static struct hent *lookup __P((char [])); 104 static int qucmp __P((const void *, const void *)); 105 static void rewrite __P((void)); 106 static void usage __P((void)); 107 108 int 109 main(argc, argv) 110 int argc; 111 char **argv; 112 { 113 register FILE *acct; 114 register char *cp; 115 116 euid = geteuid(); /* these aren't used in pac(1) */ 117 uid = getuid(); 118 while (--argc) { 119 cp = *++argv; 120 if (*cp++ == '-') { 121 switch(*cp++) { 122 case 'P': 123 /* 124 * Printer name. 125 */ 126 printer = cp; 127 continue; 128 129 case 'p': 130 /* 131 * get the price. 132 */ 133 price = atof(cp); 134 pflag = 1; 135 continue; 136 137 case 's': 138 /* 139 * Summarize and compress accounting file. 140 */ 141 summarize++; 142 continue; 143 144 case 'c': 145 /* 146 * Sort by cost. 147 */ 148 sort++; 149 continue; 150 151 case 'm': 152 /* 153 * disregard machine names for each user 154 */ 155 mflag = 1; 156 continue; 157 158 case 'r': 159 /* 160 * Reverse sorting order. 161 */ 162 reverse++; 163 continue; 164 165 default: 166 usage(); 167 } 168 } 169 (void) enter(--cp); 170 allflag = 0; 171 } 172 if (printer == NULL && (printer = getenv("PRINTER")) == NULL) 173 printer = DEFLP; 174 if (!chkprinter(printer)) { 175 printf("pac: unknown printer %s\n", printer); 176 exit(2); 177 } 178 179 if ((acct = fopen(acctfile, "r")) == NULL) { 180 perror(acctfile); 181 exit(1); 182 } 183 account(acct); 184 fclose(acct); 185 if ((acct = fopen(sumfile, "r")) != NULL) { 186 account(acct); 187 fclose(acct); 188 } 189 if (summarize) 190 rewrite(); 191 else 192 dumpit(); 193 exit(errs); 194 } 195 196 static void 197 usage() 198 { 199 fprintf(stderr, 200 "usage: pac [-Pprinter] [-pprice] [-s] [-c] [-r] [-m] [user ...]\n"); 201 exit(1); 202 } 203 204 /* 205 * Read the entire accounting file, accumulating statistics 206 * for the users that we have in the hash table. If allflag 207 * is set, then just gather the facts on everyone. 208 * Note that we must accomodate both the active and summary file 209 * formats here. 210 * Host names are ignored if the -m flag is present. 211 */ 212 static void 213 account(acct) 214 register FILE *acct; 215 { 216 char linebuf[BUFSIZ]; 217 double t; 218 register char *cp, *cp2; 219 register struct hent *hp; 220 register int ic; 221 222 while (fgets(linebuf, BUFSIZ, acct) != NULL) { 223 cp = linebuf; 224 while (any(*cp, " \t")) 225 cp++; 226 t = atof(cp); 227 while (any(*cp, ".0123456789")) 228 cp++; 229 while (any(*cp, " \t")) 230 cp++; 231 for (cp2 = cp; !any(*cp2, " \t\n"); cp2++) 232 ; 233 ic = atoi(cp2); 234 *cp2 = '\0'; 235 if (mflag && strchr(cp, ':')) 236 cp = strchr(cp, ':') + 1; 237 hp = lookup(cp); 238 if (hp == NULL) { 239 if (!allflag) 240 continue; 241 hp = enter(cp); 242 } 243 hp->h_feetpages += t; 244 if (ic) 245 hp->h_count += ic; 246 else 247 hp->h_count++; 248 } 249 } 250 251 /* 252 * Sort the hashed entries by name or footage 253 * and print it all out. 254 */ 255 static void 256 dumpit() 257 { 258 struct hent **base; 259 register struct hent *hp, **ap; 260 register int hno, c, runs; 261 float feet; 262 263 hp = hashtab[0]; 264 hno = 1; 265 base = (struct hent **) calloc(sizeof hp, hcount); 266 for (ap = base, c = hcount; c--; ap++) { 267 while (hp == NULL) 268 hp = hashtab[hno++]; 269 *ap = hp; 270 hp = hp->h_link; 271 } 272 qsort(base, hcount, sizeof hp, qucmp); 273 printf(" Login pages/feet runs price\n"); 274 feet = 0.0; 275 runs = 0; 276 for (ap = base, c = hcount; c--; ap++) { 277 hp = *ap; 278 runs += hp->h_count; 279 feet += hp->h_feetpages; 280 printf("%-24s %7.2f %4d $%6.2f\n", hp->h_name, 281 hp->h_feetpages, hp->h_count, hp->h_feetpages * price); 282 } 283 if (allflag) { 284 printf("\n"); 285 printf("%-24s %7.2f %4d $%6.2f\n", "total", feet, 286 runs, feet * price); 287 } 288 } 289 290 /* 291 * Rewrite the summary file with the summary information we have accumulated. 292 */ 293 static void 294 rewrite() 295 { 296 register struct hent *hp; 297 register int i; 298 register FILE *acctf; 299 300 if ((acctf = fopen(sumfile, "w")) == NULL) { 301 warn("%s", sumfile); 302 errs++; 303 return; 304 } 305 for (i = 0; i < HSHSIZE; i++) { 306 hp = hashtab[i]; 307 while (hp != NULL) { 308 fprintf(acctf, "%7.2f\t%s\t%d\n", hp->h_feetpages, 309 hp->h_name, hp->h_count); 310 hp = hp->h_link; 311 } 312 } 313 fflush(acctf); 314 if (ferror(acctf)) { 315 warn("%s", sumfile); 316 errs++; 317 } 318 fclose(acctf); 319 if ((acctf = fopen(acctfile, "w")) == NULL) 320 warn("%s", acctfile); 321 else 322 fclose(acctf); 323 } 324 325 /* 326 * Hashing routines. 327 */ 328 329 /* 330 * Enter the name into the hash table and return the pointer allocated. 331 */ 332 333 static struct hent * 334 enter(name) 335 char name[]; 336 { 337 register struct hent *hp; 338 register int h; 339 340 if ((hp = lookup(name)) != NULL) 341 return(hp); 342 h = hash(name); 343 hcount++; 344 hp = (struct hent *) calloc(sizeof *hp, 1); 345 hp->h_name = (char *) calloc(sizeof(char), strlen(name)+1); 346 strcpy(hp->h_name, name); 347 hp->h_feetpages = 0.0; 348 hp->h_count = 0; 349 hp->h_link = hashtab[h]; 350 hashtab[h] = hp; 351 return(hp); 352 } 353 354 /* 355 * Lookup a name in the hash table and return a pointer 356 * to it. 357 */ 358 359 static struct hent * 360 lookup(name) 361 char name[]; 362 { 363 register int h; 364 register struct hent *hp; 365 366 h = hash(name); 367 for (hp = hashtab[h]; hp != NULL; hp = hp->h_link) 368 if (strcmp(hp->h_name, name) == 0) 369 return(hp); 370 return(NULL); 371 } 372 373 /* 374 * Hash the passed name and return the index in 375 * the hash table to begin the search. 376 */ 377 static int 378 hash(name) 379 char name[]; 380 { 381 register int h; 382 register char *cp; 383 384 for (cp = name, h = 0; *cp; h = (h << 2) + *cp++) 385 ; 386 return((h & 0x7fffffff) % HSHSIZE); 387 } 388 389 /* 390 * Other stuff 391 */ 392 static int 393 any(ch, str) 394 int ch; 395 char str[]; 396 { 397 register int c = ch; 398 register char *cp = str; 399 400 while (*cp) 401 if (*cp++ == c) 402 return(1); 403 return(0); 404 } 405 406 /* 407 * The qsort comparison routine. 408 * The comparison is ascii collating order 409 * or by feet of typesetter film, according to sort. 410 */ 411 static int 412 qucmp(a, b) 413 const void *a, *b; 414 { 415 register struct hent *h1, *h2; 416 register int r; 417 418 h1 = *(struct hent **)a; 419 h2 = *(struct hent **)b; 420 if (sort) 421 r = h1->h_feetpages < h2->h_feetpages ? 422 -1 : h1->h_feetpages > h2->h_feetpages; 423 else 424 r = strcmp(h1->h_name, h2->h_name); 425 return(reverse ? -r : r); 426 } 427 428 /* 429 * Perform lookup for printer name or abbreviation -- 430 */ 431 static int 432 chkprinter(s) 433 register char *s; 434 { 435 int stat; 436 437 if ((stat = cgetent(&bp, printcapdb, s)) == -2) { 438 printf("pac: can't open printer description file\n"); 439 exit(3); 440 } else if (stat == -1) 441 return(0); 442 else if (stat == -3) 443 fatal("potential reference loop detected in printcap file"); 444 445 if (cgetstr(bp, "af", &acctfile) == -1) { 446 printf("accounting not enabled for printer %s\n", printer); 447 exit(2); 448 } 449 if (!pflag && (cgetnum(bp, "pc", &price100) == 0)) 450 price = price100/10000.0; 451 sumfile = (char *) calloc(sizeof(char), strlen(acctfile)+5); 452 if (sumfile == NULL) 453 errx(1, "calloc failed"); 454 strcpy(sumfile, acctfile); 455 strcat(sumfile, "_sum"); 456 return(1); 457 } 458