1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1995 Sun Microsystems, Inc. All Rights Reserved 24*0Sstevel@tonic-gate * 25*0Sstevel@tonic-gate * module: 26*0Sstevel@tonic-gate * rules.c 27*0Sstevel@tonic-gate * 28*0Sstevel@tonic-gate * purpose: 29*0Sstevel@tonic-gate * to read and write the rules file and manage rules lists 30*0Sstevel@tonic-gate * 31*0Sstevel@tonic-gate * contents: 32*0Sstevel@tonic-gate * reading rules file 33*0Sstevel@tonic-gate * read_rules 34*0Sstevel@tonic-gate * (static) read_command 35*0Sstevel@tonic-gate * writing rules file 36*0Sstevel@tonic-gate * write_rules 37*0Sstevel@tonic-gate * (static) rw_header, rw_base 38*0Sstevel@tonic-gate * adding rules 39*0Sstevel@tonic-gate * add_ignore, add_include 40*0Sstevel@tonic-gate * (static) add_rule 41*0Sstevel@tonic-gate * adding/checking restrictions 42*0Sstevel@tonic-gate * add_restr, check_restr 43*0Sstevel@tonic-gate */ 44*0Sstevel@tonic-gate #ident "%W% %E% SMI" 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate #include <stdio.h> 47*0Sstevel@tonic-gate #include <stdlib.h> 48*0Sstevel@tonic-gate #include <string.h> 49*0Sstevel@tonic-gate #include <time.h> 50*0Sstevel@tonic-gate #include <ctype.h> 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate #include "filesync.h" 53*0Sstevel@tonic-gate #include "database.h" 54*0Sstevel@tonic-gate #include "messages.h" 55*0Sstevel@tonic-gate #include "debug.h" 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate /* 58*0Sstevel@tonic-gate * routines: 59*0Sstevel@tonic-gate */ 60*0Sstevel@tonic-gate static errmask_t rw_base(FILE *file, struct base *bp); 61*0Sstevel@tonic-gate static errmask_t rw_header(FILE *file); 62*0Sstevel@tonic-gate static errmask_t add_rule(struct base *, int, const char *); 63*0Sstevel@tonic-gate static char *read_cmd(char *); 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate /* 66*0Sstevel@tonic-gate * globals 67*0Sstevel@tonic-gate */ 68*0Sstevel@tonic-gate static int rules_added; 69*0Sstevel@tonic-gate static int restr_added; 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate /* 72*0Sstevel@tonic-gate * locals 73*0Sstevel@tonic-gate */ 74*0Sstevel@tonic-gate #define RULE_MAJOR 1 /* rules file format major rev */ 75*0Sstevel@tonic-gate #define RULE_MINOR 1 /* rules file format minor rev */ 76*0Sstevel@tonic-gate #define RULE_TAG "PACKINGRULES" /* magic string for rules files */ 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate /* 79*0Sstevel@tonic-gate * routine: 80*0Sstevel@tonic-gate * read_rules 81*0Sstevel@tonic-gate * 82*0Sstevel@tonic-gate * purpose: 83*0Sstevel@tonic-gate * to read in the rules file 84*0Sstevel@tonic-gate * 85*0Sstevel@tonic-gate * parameters: 86*0Sstevel@tonic-gate * name of rules file 87*0Sstevel@tonic-gate * 88*0Sstevel@tonic-gate * returns: 89*0Sstevel@tonic-gate * error mask 90*0Sstevel@tonic-gate * 91*0Sstevel@tonic-gate * notes: 92*0Sstevel@tonic-gate * later when I implement a proper (comment preserving) update 93*0Sstevel@tonic-gate * function I'm going to wish I had figured out how to build the 94*0Sstevel@tonic-gate * input functions for this function in a way that would make 95*0Sstevel@tonic-gate * the more usable for that too. 96*0Sstevel@tonic-gate */ 97*0Sstevel@tonic-gate errmask_t 98*0Sstevel@tonic-gate read_rules(char *name) 99*0Sstevel@tonic-gate { FILE *file; 100*0Sstevel@tonic-gate errmask_t errs = 0; 101*0Sstevel@tonic-gate int flags; 102*0Sstevel@tonic-gate int major, minor; 103*0Sstevel@tonic-gate char *s, *s1, *s2; 104*0Sstevel@tonic-gate struct base *bp; 105*0Sstevel@tonic-gate char *errstr = "???"; 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate file = fopen(name, "r"); 108*0Sstevel@tonic-gate if (file == NULL) { 109*0Sstevel@tonic-gate fprintf(stderr, gettext(ERR_open), gettext(TXT_rules), 110*0Sstevel@tonic-gate name); 111*0Sstevel@tonic-gate return (ERR_FILES); 112*0Sstevel@tonic-gate } 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate lex_linenum = 0; 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate if (opt_debug & DBG_FILES) 117*0Sstevel@tonic-gate fprintf(stderr, "FILE: READ RULES %s\n", name); 118*0Sstevel@tonic-gate 119*0Sstevel@tonic-gate bp = &omnibase; /* default base before any others */ 120*0Sstevel@tonic-gate 121*0Sstevel@tonic-gate while (!feof(file)) { 122*0Sstevel@tonic-gate /* find the first token on the line */ 123*0Sstevel@tonic-gate s = lex(file); 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate /* skip blank lines and comments */ 126*0Sstevel@tonic-gate if (s == 0 || *s == 0 || *s == '#' || *s == '*') 127*0Sstevel@tonic-gate continue; 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate /* see if the first token is a known keyword */ 130*0Sstevel@tonic-gate if (strcmp(s, "BASE") == 0) { 131*0Sstevel@tonic-gate 132*0Sstevel@tonic-gate /* get the source & destination tokens */ 133*0Sstevel@tonic-gate errstr = gettext(TXT_srcdst); 134*0Sstevel@tonic-gate s1 = lex(0); 135*0Sstevel@tonic-gate if (s1 == 0) 136*0Sstevel@tonic-gate goto bad; 137*0Sstevel@tonic-gate s1 = strdup(s1); 138*0Sstevel@tonic-gate 139*0Sstevel@tonic-gate s2 = lex(0); 140*0Sstevel@tonic-gate if (s2 == 0) 141*0Sstevel@tonic-gate goto bad; 142*0Sstevel@tonic-gate s2 = strdup(s2); 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate /* creat the new base pair */ 145*0Sstevel@tonic-gate bp = add_base(s1, s2); 146*0Sstevel@tonic-gate bp->b_flags |= F_LISTED; 147*0Sstevel@tonic-gate 148*0Sstevel@tonic-gate free(s1); 149*0Sstevel@tonic-gate free(s2); 150*0Sstevel@tonic-gate continue; 151*0Sstevel@tonic-gate } 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate if (strcmp(s, "LIST") == 0) { 154*0Sstevel@tonic-gate 155*0Sstevel@tonic-gate /* make sure we are associated with a real base */ 156*0Sstevel@tonic-gate if (bp == &omnibase) { 157*0Sstevel@tonic-gate errstr = gettext(TXT_nobase); 158*0Sstevel@tonic-gate goto bad; 159*0Sstevel@tonic-gate } 160*0Sstevel@tonic-gate 161*0Sstevel@tonic-gate /* skip to the next token */ 162*0Sstevel@tonic-gate s = lex(0); 163*0Sstevel@tonic-gate errstr = gettext(TXT_noargs); 164*0Sstevel@tonic-gate if (s == 0) 165*0Sstevel@tonic-gate goto bad; 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate /* see if it is a program or a name */ 168*0Sstevel@tonic-gate if (*s == '!') { 169*0Sstevel@tonic-gate errs |= add_rule(bp, R_PROGRAM, 170*0Sstevel@tonic-gate read_cmd(&s[1])); 171*0Sstevel@tonic-gate } else { 172*0Sstevel@tonic-gate do { 173*0Sstevel@tonic-gate flags = wildcards(s) ? R_WILD : 0; 174*0Sstevel@tonic-gate errs |= add_rule(bp, flags, s); 175*0Sstevel@tonic-gate s = lex(0); 176*0Sstevel@tonic-gate } while (s != 0); 177*0Sstevel@tonic-gate } 178*0Sstevel@tonic-gate continue; 179*0Sstevel@tonic-gate } 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate if (strcmp(s, "IGNORE") == 0) { 182*0Sstevel@tonic-gate 183*0Sstevel@tonic-gate /* skip to the next token */ 184*0Sstevel@tonic-gate s = lex(0); 185*0Sstevel@tonic-gate errstr = gettext(TXT_noargs); 186*0Sstevel@tonic-gate if (s == 0) 187*0Sstevel@tonic-gate goto bad; 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate flags = R_IGNORE; 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate /* see if it is a program or a name */ 192*0Sstevel@tonic-gate if (*s == '!') { 193*0Sstevel@tonic-gate errs |= add_rule(bp, R_PROGRAM|flags, 194*0Sstevel@tonic-gate read_cmd(&s[1])); 195*0Sstevel@tonic-gate } else { 196*0Sstevel@tonic-gate do { 197*0Sstevel@tonic-gate if (wildcards(s)) 198*0Sstevel@tonic-gate flags |= R_WILD; 199*0Sstevel@tonic-gate errs |= add_rule(bp, flags, s); 200*0Sstevel@tonic-gate s = lex(0); 201*0Sstevel@tonic-gate } while (s != 0); 202*0Sstevel@tonic-gate } 203*0Sstevel@tonic-gate continue; 204*0Sstevel@tonic-gate } 205*0Sstevel@tonic-gate 206*0Sstevel@tonic-gate if (strcmp(s, "VERSION") == 0 || strcmp(s, RULE_TAG) == 0) { 207*0Sstevel@tonic-gate s = lex(0); 208*0Sstevel@tonic-gate errstr = gettext(TXT_noargs); 209*0Sstevel@tonic-gate if (s == 0) 210*0Sstevel@tonic-gate goto bad; 211*0Sstevel@tonic-gate 212*0Sstevel@tonic-gate major = strtol(s, &s1, 10); 213*0Sstevel@tonic-gate errstr = gettext(TXT_badver); 214*0Sstevel@tonic-gate if (*s1 != '.') 215*0Sstevel@tonic-gate goto bad; 216*0Sstevel@tonic-gate minor = strtol(&s1[1], 0, 10); 217*0Sstevel@tonic-gate 218*0Sstevel@tonic-gate if (major != RULE_MAJOR || minor > RULE_MINOR) { 219*0Sstevel@tonic-gate fprintf(stderr, gettext(ERR_badver), 220*0Sstevel@tonic-gate major, minor, gettext(TXT_rules), name); 221*0Sstevel@tonic-gate errs |= ERR_FILES; 222*0Sstevel@tonic-gate } 223*0Sstevel@tonic-gate continue; 224*0Sstevel@tonic-gate } 225*0Sstevel@tonic-gate 226*0Sstevel@tonic-gate bad: /* log the error and continue processing to find others */ 227*0Sstevel@tonic-gate fprintf(stderr, gettext(ERR_badinput), 228*0Sstevel@tonic-gate lex_linenum, errstr, name); 229*0Sstevel@tonic-gate errs |= ERR_FILES; 230*0Sstevel@tonic-gate } 231*0Sstevel@tonic-gate 232*0Sstevel@tonic-gate 233*0Sstevel@tonic-gate (void) fclose(file); 234*0Sstevel@tonic-gate return (errs); 235*0Sstevel@tonic-gate } 236*0Sstevel@tonic-gate 237*0Sstevel@tonic-gate /* 238*0Sstevel@tonic-gate * routine: 239*0Sstevel@tonic-gate * read_cmd 240*0Sstevel@tonic-gate * 241*0Sstevel@tonic-gate * purpose: 242*0Sstevel@tonic-gate * to lex a runnable command (! lines) into a buffer 243*0Sstevel@tonic-gate * 244*0Sstevel@tonic-gate * parameters: 245*0Sstevel@tonic-gate * first token 246*0Sstevel@tonic-gate * 247*0Sstevel@tonic-gate * returns: 248*0Sstevel@tonic-gate * pointer to a command line in a static buffer 249*0Sstevel@tonic-gate * (it is assumed the caller will copy it promptly) 250*0Sstevel@tonic-gate * 251*0Sstevel@tonic-gate * notes: 252*0Sstevel@tonic-gate * this is necessary because lex has already choped off 253*0Sstevel@tonic-gate * the first token for us 254*0Sstevel@tonic-gate */ 255*0Sstevel@tonic-gate static char *read_cmd(char * s) 256*0Sstevel@tonic-gate { 257*0Sstevel@tonic-gate static char cmdbuf[ MAX_LINE ]; 258*0Sstevel@tonic-gate 259*0Sstevel@tonic-gate cmdbuf[0] = 0; 260*0Sstevel@tonic-gate 261*0Sstevel@tonic-gate do { 262*0Sstevel@tonic-gate if (*s) { 263*0Sstevel@tonic-gate strcat(cmdbuf, s); 264*0Sstevel@tonic-gate strcat(cmdbuf, " "); 265*0Sstevel@tonic-gate } 266*0Sstevel@tonic-gate } while ((s = lex(0)) != 0); 267*0Sstevel@tonic-gate 268*0Sstevel@tonic-gate return (cmdbuf); 269*0Sstevel@tonic-gate } 270*0Sstevel@tonic-gate 271*0Sstevel@tonic-gate /* 272*0Sstevel@tonic-gate * routine: 273*0Sstevel@tonic-gate * write_rules 274*0Sstevel@tonic-gate * 275*0Sstevel@tonic-gate * purpose: 276*0Sstevel@tonic-gate * to rewrite the rules file, appending the new rules 277*0Sstevel@tonic-gate * 278*0Sstevel@tonic-gate * parameters: 279*0Sstevel@tonic-gate * name of output file 280*0Sstevel@tonic-gate * 281*0Sstevel@tonic-gate * returns: 282*0Sstevel@tonic-gate * error mask 283*0Sstevel@tonic-gate * 284*0Sstevel@tonic-gate */ 285*0Sstevel@tonic-gate errmask_t 286*0Sstevel@tonic-gate write_rules(char *name) 287*0Sstevel@tonic-gate { FILE *newfile; 288*0Sstevel@tonic-gate errmask_t errs = 0; 289*0Sstevel@tonic-gate struct base *bp; 290*0Sstevel@tonic-gate char tmpname[ MAX_PATH ]; 291*0Sstevel@tonic-gate 292*0Sstevel@tonic-gate /* if no-touch is specified, we don't update files */ 293*0Sstevel@tonic-gate if (opt_notouch || rules_added == 0) 294*0Sstevel@tonic-gate return (0); 295*0Sstevel@tonic-gate 296*0Sstevel@tonic-gate /* create a temporary output file */ 297*0Sstevel@tonic-gate sprintf(tmpname, "%s-TMP", name); 298*0Sstevel@tonic-gate 299*0Sstevel@tonic-gate /* create our output file */ 300*0Sstevel@tonic-gate newfile = fopen(tmpname, "w+"); 301*0Sstevel@tonic-gate if (newfile == NULL) { 302*0Sstevel@tonic-gate fprintf(stderr, gettext(ERR_creat), gettext(TXT_rules), 303*0Sstevel@tonic-gate name); 304*0Sstevel@tonic-gate return (ERR_FILES); 305*0Sstevel@tonic-gate } 306*0Sstevel@tonic-gate 307*0Sstevel@tonic-gate if (opt_debug & DBG_FILES) 308*0Sstevel@tonic-gate fprintf(stderr, "FILE: UPDATE RULES %s\n", name); 309*0Sstevel@tonic-gate 310*0Sstevel@tonic-gate errs |= rw_header(newfile); 311*0Sstevel@tonic-gate errs |= rw_base(newfile, &omnibase); 312*0Sstevel@tonic-gate for (bp = bases; bp; bp = bp->b_next) 313*0Sstevel@tonic-gate errs |= rw_base(newfile, bp); 314*0Sstevel@tonic-gate 315*0Sstevel@tonic-gate if (ferror(newfile)) { 316*0Sstevel@tonic-gate fprintf(stderr, gettext(ERR_write), gettext(TXT_rules), 317*0Sstevel@tonic-gate tmpname); 318*0Sstevel@tonic-gate errs |= ERR_FILES; 319*0Sstevel@tonic-gate } 320*0Sstevel@tonic-gate 321*0Sstevel@tonic-gate if (fclose(newfile)) { 322*0Sstevel@tonic-gate fprintf(stderr, gettext(ERR_fclose), gettext(TXT_rules), 323*0Sstevel@tonic-gate tmpname); 324*0Sstevel@tonic-gate errs |= ERR_FILES; 325*0Sstevel@tonic-gate } 326*0Sstevel@tonic-gate 327*0Sstevel@tonic-gate /* now switch the new file for the old one */ 328*0Sstevel@tonic-gate if (errs == 0) 329*0Sstevel@tonic-gate if (rename(tmpname, name) != 0) { 330*0Sstevel@tonic-gate fprintf(stderr, gettext(ERR_rename), 331*0Sstevel@tonic-gate gettext(TXT_rules), tmpname, name); 332*0Sstevel@tonic-gate errs |= ERR_FILES; 333*0Sstevel@tonic-gate } 334*0Sstevel@tonic-gate 335*0Sstevel@tonic-gate return (errs); 336*0Sstevel@tonic-gate } 337*0Sstevel@tonic-gate 338*0Sstevel@tonic-gate /* 339*0Sstevel@tonic-gate * routine: 340*0Sstevel@tonic-gate * rw_header 341*0Sstevel@tonic-gate * 342*0Sstevel@tonic-gate * purpose: 343*0Sstevel@tonic-gate * to write out a rules header 344*0Sstevel@tonic-gate * 345*0Sstevel@tonic-gate * parameters: 346*0Sstevel@tonic-gate * FILE* for the output file 347*0Sstevel@tonic-gate * 348*0Sstevel@tonic-gate * returns: 349*0Sstevel@tonic-gate * error mask 350*0Sstevel@tonic-gate * 351*0Sstevel@tonic-gate * notes: 352*0Sstevel@tonic-gate */ 353*0Sstevel@tonic-gate static errmask_t rw_header(FILE *file) 354*0Sstevel@tonic-gate { 355*0Sstevel@tonic-gate time_t now; 356*0Sstevel@tonic-gate struct tm *local; 357*0Sstevel@tonic-gate 358*0Sstevel@tonic-gate /* figure out what time it is */ 359*0Sstevel@tonic-gate (void) time(&now); 360*0Sstevel@tonic-gate local = localtime(&now); 361*0Sstevel@tonic-gate 362*0Sstevel@tonic-gate fprintf(file, "%s %d.%d\n", RULE_TAG, RULE_MAJOR, RULE_MINOR); 363*0Sstevel@tonic-gate fprintf(file, "#\n"); 364*0Sstevel@tonic-gate fprintf(file, "# filesync rules, last written by %s, %s", 365*0Sstevel@tonic-gate cuserid((char *) 0), asctime(local)); 366*0Sstevel@tonic-gate fprintf(file, "#\n"); 367*0Sstevel@tonic-gate 368*0Sstevel@tonic-gate return (0); 369*0Sstevel@tonic-gate } 370*0Sstevel@tonic-gate 371*0Sstevel@tonic-gate /* 372*0Sstevel@tonic-gate * routine: 373*0Sstevel@tonic-gate * rw_base 374*0Sstevel@tonic-gate * 375*0Sstevel@tonic-gate * purpose: 376*0Sstevel@tonic-gate * to write out the summary for one base-pair 377*0Sstevel@tonic-gate * 378*0Sstevel@tonic-gate * parameters: 379*0Sstevel@tonic-gate * FILE * for the output file 380*0Sstevel@tonic-gate * 381*0Sstevel@tonic-gate * returns: 382*0Sstevel@tonic-gate * error mask 383*0Sstevel@tonic-gate * 384*0Sstevel@tonic-gate * notes: 385*0Sstevel@tonic-gate */ 386*0Sstevel@tonic-gate static errmask_t rw_base(FILE *file, struct base *bp) 387*0Sstevel@tonic-gate { struct rule *rp; 388*0Sstevel@tonic-gate 389*0Sstevel@tonic-gate fprintf(file, "\n"); 390*0Sstevel@tonic-gate 391*0Sstevel@tonic-gate /* global rules don't appear within a base */ 392*0Sstevel@tonic-gate if (bp->b_ident) 393*0Sstevel@tonic-gate fprintf(file, "BASE %s %s\n", noblanks(bp->b_src_spec), 394*0Sstevel@tonic-gate noblanks(bp->b_dst_spec)); 395*0Sstevel@tonic-gate 396*0Sstevel@tonic-gate for (rp = bp->b_includes; rp; rp = rp->r_next) 397*0Sstevel@tonic-gate if (rp->r_flags & R_PROGRAM) 398*0Sstevel@tonic-gate fprintf(file, "LIST !%s\n", rp->r_file); 399*0Sstevel@tonic-gate else 400*0Sstevel@tonic-gate fprintf(file, "LIST %s\n", noblanks(rp->r_file)); 401*0Sstevel@tonic-gate 402*0Sstevel@tonic-gate for (rp = bp->b_excludes; rp; rp = rp->r_next) 403*0Sstevel@tonic-gate if (rp->r_flags & R_PROGRAM) 404*0Sstevel@tonic-gate fprintf(file, "IGNORE !%s\n", rp->r_file); 405*0Sstevel@tonic-gate else 406*0Sstevel@tonic-gate fprintf(file, "IGNORE %s\n", noblanks(rp->r_file)); 407*0Sstevel@tonic-gate 408*0Sstevel@tonic-gate return (0); 409*0Sstevel@tonic-gate } 410*0Sstevel@tonic-gate 411*0Sstevel@tonic-gate /* 412*0Sstevel@tonic-gate * routine: 413*0Sstevel@tonic-gate * add_rule 414*0Sstevel@tonic-gate * 415*0Sstevel@tonic-gate * purpose: 416*0Sstevel@tonic-gate * to add a new rule 417*0Sstevel@tonic-gate * 418*0Sstevel@tonic-gate * parameters: 419*0Sstevel@tonic-gate * pointer to list base 420*0Sstevel@tonic-gate * rule flags 421*0Sstevel@tonic-gate * associated name/arguments 422*0Sstevel@tonic-gate * 423*0Sstevel@tonic-gate * returns: 424*0Sstevel@tonic-gate * error flags 425*0Sstevel@tonic-gate * 426*0Sstevel@tonic-gate * notes: 427*0Sstevel@tonic-gate * we always copy the argument string because most of them 428*0Sstevel@tonic-gate * were read from a file and are just in a transient buffer 429*0Sstevel@tonic-gate */ 430*0Sstevel@tonic-gate static errmask_t add_rule(struct base *bp, int flags, const char *args) 431*0Sstevel@tonic-gate { struct rule *rp; 432*0Sstevel@tonic-gate struct rule **list; 433*0Sstevel@tonic-gate 434*0Sstevel@tonic-gate rp = malloc(sizeof (struct rule)); 435*0Sstevel@tonic-gate if (rp == 0) 436*0Sstevel@tonic-gate nomem("rule struture"); 437*0Sstevel@tonic-gate 438*0Sstevel@tonic-gate /* initialize the new base */ 439*0Sstevel@tonic-gate memset((void *) rp, 0, sizeof (struct rule)); 440*0Sstevel@tonic-gate rp->r_flags = flags; 441*0Sstevel@tonic-gate rp->r_file = strdup(args); 442*0Sstevel@tonic-gate 443*0Sstevel@tonic-gate /* figure out which list to put it on */ 444*0Sstevel@tonic-gate if (flags&R_IGNORE) 445*0Sstevel@tonic-gate list = &bp->b_excludes; 446*0Sstevel@tonic-gate else if (flags&R_RESTRICT) 447*0Sstevel@tonic-gate list = &bp->b_restrictions; 448*0Sstevel@tonic-gate else 449*0Sstevel@tonic-gate list = &bp->b_includes; 450*0Sstevel@tonic-gate 451*0Sstevel@tonic-gate while (*list) 452*0Sstevel@tonic-gate list = &((*list)->r_next); 453*0Sstevel@tonic-gate *list = rp; 454*0Sstevel@tonic-gate 455*0Sstevel@tonic-gate if (flags & R_NEW) 456*0Sstevel@tonic-gate rules_added++; 457*0Sstevel@tonic-gate 458*0Sstevel@tonic-gate if (opt_debug & DBG_RULE) { 459*0Sstevel@tonic-gate fprintf(stderr, "RULE: base=%d, ", bp->b_ident); 460*0Sstevel@tonic-gate fprintf(stderr, "flags=%s, ", 461*0Sstevel@tonic-gate showflags(rflags, rp->r_flags)); 462*0Sstevel@tonic-gate fprintf(stderr, "arg=%s\n", rp->r_file); 463*0Sstevel@tonic-gate } 464*0Sstevel@tonic-gate 465*0Sstevel@tonic-gate return (0); 466*0Sstevel@tonic-gate } 467*0Sstevel@tonic-gate 468*0Sstevel@tonic-gate /* 469*0Sstevel@tonic-gate * routine: 470*0Sstevel@tonic-gate * add_ignore, add_include 471*0Sstevel@tonic-gate * 472*0Sstevel@tonic-gate * purpose: 473*0Sstevel@tonic-gate * wrappers for add_rule that permit outsiders (like main.c) 474*0Sstevel@tonic-gate * not to know what is inside of a base, file, or list entry 475*0Sstevel@tonic-gate * 476*0Sstevel@tonic-gate * parameters: 477*0Sstevel@tonic-gate * base under which rules should be added 478*0Sstevel@tonic-gate * argument associated with rule 479*0Sstevel@tonic-gate * 480*0Sstevel@tonic-gate * returns: 481*0Sstevel@tonic-gate * error flags 482*0Sstevel@tonic-gate * 483*0Sstevel@tonic-gate * notes: 484*0Sstevel@tonic-gate * basically these routines figure out what the right 485*0Sstevel@tonic-gate * flags are for a rule, and what list to put it on, 486*0Sstevel@tonic-gate * and then call a common handler. 487*0Sstevel@tonic-gate */ 488*0Sstevel@tonic-gate errmask_t 489*0Sstevel@tonic-gate add_ignore(struct base *bp, char *name) 490*0Sstevel@tonic-gate { int flags = R_IGNORE | R_NEW; 491*0Sstevel@tonic-gate 492*0Sstevel@tonic-gate if (bp == 0) 493*0Sstevel@tonic-gate bp = &omnibase; 494*0Sstevel@tonic-gate 495*0Sstevel@tonic-gate if (wildcards(name)) 496*0Sstevel@tonic-gate flags |= R_WILD; 497*0Sstevel@tonic-gate 498*0Sstevel@tonic-gate return (add_rule(bp, flags, name)); 499*0Sstevel@tonic-gate } 500*0Sstevel@tonic-gate 501*0Sstevel@tonic-gate errmask_t 502*0Sstevel@tonic-gate add_include(struct base *bp, char *name) 503*0Sstevel@tonic-gate { int flags = R_NEW; 504*0Sstevel@tonic-gate 505*0Sstevel@tonic-gate if (bp == 0) 506*0Sstevel@tonic-gate bp = &omnibase; 507*0Sstevel@tonic-gate 508*0Sstevel@tonic-gate if (wildcards(name)) 509*0Sstevel@tonic-gate flags |= R_WILD; 510*0Sstevel@tonic-gate 511*0Sstevel@tonic-gate bp->b_flags |= F_LISTED; 512*0Sstevel@tonic-gate 513*0Sstevel@tonic-gate return (add_rule(bp, flags, name)); 514*0Sstevel@tonic-gate } 515*0Sstevel@tonic-gate 516*0Sstevel@tonic-gate /* 517*0Sstevel@tonic-gate * routine: 518*0Sstevel@tonic-gate * add_restr 519*0Sstevel@tonic-gate * 520*0Sstevel@tonic-gate * purpose: 521*0Sstevel@tonic-gate * to add a restriction to a base 522*0Sstevel@tonic-gate * 523*0Sstevel@tonic-gate * parameters: 524*0Sstevel@tonic-gate * address of base 525*0Sstevel@tonic-gate * restriction string 526*0Sstevel@tonic-gate * 527*0Sstevel@tonic-gate * returns: 528*0Sstevel@tonic-gate * error mask 529*0Sstevel@tonic-gate * 530*0Sstevel@tonic-gate * notes: 531*0Sstevel@tonic-gate * a restriction is specified on the command line and 532*0Sstevel@tonic-gate * tells us to limit our analysis/reconcilation to 533*0Sstevel@tonic-gate * specified files and/or directories. We deal with 534*0Sstevel@tonic-gate * these by adding a restriction rule to any base that 535*0Sstevel@tonic-gate * looks like it might fit the restriction. We need to 536*0Sstevel@tonic-gate * treat this as a rule because the restriction string 537*0Sstevel@tonic-gate * may extend beyond the base directory and part-way into 538*0Sstevel@tonic-gate * its tree ... meaning that individual file names under 539*0Sstevel@tonic-gate * the base will have to be checked against the restriction. 540*0Sstevel@tonic-gate */ 541*0Sstevel@tonic-gate errmask_t 542*0Sstevel@tonic-gate add_restr(char *restr) 543*0Sstevel@tonic-gate { const char *s; 544*0Sstevel@tonic-gate errmask_t errs = 0; 545*0Sstevel@tonic-gate struct base *bp; 546*0Sstevel@tonic-gate 547*0Sstevel@tonic-gate for (bp = bases; bp; bp = bp->b_next) { 548*0Sstevel@tonic-gate /* 549*0Sstevel@tonic-gate * see if this restriction could apply to this base. 550*0Sstevel@tonic-gate * It could match either the source or destination 551*0Sstevel@tonic-gate * directory name for this base. If it matches neither 552*0Sstevel@tonic-gate * then the restriction does not apply to this base. 553*0Sstevel@tonic-gate */ 554*0Sstevel@tonic-gate s = prefix(restr, bp->b_src_name); 555*0Sstevel@tonic-gate if (s == 0) 556*0Sstevel@tonic-gate s = prefix(restr, bp->b_dst_name); 557*0Sstevel@tonic-gate if (s == 0) 558*0Sstevel@tonic-gate continue; 559*0Sstevel@tonic-gate 560*0Sstevel@tonic-gate /* 561*0Sstevel@tonic-gate * if there is more restriction string after the 562*0Sstevel@tonic-gate * base, we will need to note the remainder of the 563*0Sstevel@tonic-gate * string so that we can match individual files 564*0Sstevel@tonic-gate * against it. 565*0Sstevel@tonic-gate */ 566*0Sstevel@tonic-gate if (*s == '/') 567*0Sstevel@tonic-gate s++; 568*0Sstevel@tonic-gate 569*0Sstevel@tonic-gate errs |= add_rule(bp, R_RESTRICT, s); 570*0Sstevel@tonic-gate restr_added++; 571*0Sstevel@tonic-gate } 572*0Sstevel@tonic-gate 573*0Sstevel@tonic-gate return (errs); 574*0Sstevel@tonic-gate } 575*0Sstevel@tonic-gate 576*0Sstevel@tonic-gate /* 577*0Sstevel@tonic-gate * routine: 578*0Sstevel@tonic-gate * check_restr 579*0Sstevel@tonic-gate * 580*0Sstevel@tonic-gate * purpose: 581*0Sstevel@tonic-gate * to see if an argument falls within restrictions 582*0Sstevel@tonic-gate * 583*0Sstevel@tonic-gate * parameters: 584*0Sstevel@tonic-gate * pointer to relevent base 585*0Sstevel@tonic-gate * file name 586*0Sstevel@tonic-gate * 587*0Sstevel@tonic-gate * returns: 588*0Sstevel@tonic-gate * TRUE name is within restrictions 589*0Sstevel@tonic-gate * FALSE name is outside of restrictions 590*0Sstevel@tonic-gate * MAYBE name is on the path to a restriction 591*0Sstevel@tonic-gate * 592*0Sstevel@tonic-gate * notes: 593*0Sstevel@tonic-gate * if no restrictions have been specified, we evaluate 594*0Sstevel@tonic-gate * everything. If any restrictions have been specified, 595*0Sstevel@tonic-gate * we process only files that match one of the restrictions. 596*0Sstevel@tonic-gate * 597*0Sstevel@tonic-gate * add_restr has ensured that if the restriction includes 598*0Sstevel@tonic-gate * a portion that must be matched by individual files under 599*0Sstevel@tonic-gate * the base, that the restriction rule will contain that 600*0Sstevel@tonic-gate * portion of the restriction which must be matched against 601*0Sstevel@tonic-gate * individual file names. 602*0Sstevel@tonic-gate */ 603*0Sstevel@tonic-gate bool_t 604*0Sstevel@tonic-gate check_restr(struct base *bp, const char *name) 605*0Sstevel@tonic-gate { struct rule *rp; 606*0Sstevel@tonic-gate 607*0Sstevel@tonic-gate /* if there are no restrictions, everything is OK */ 608*0Sstevel@tonic-gate if (restr_added == 0) 609*0Sstevel@tonic-gate return (TRUE); 610*0Sstevel@tonic-gate 611*0Sstevel@tonic-gate /* now we have to run through the list */ 612*0Sstevel@tonic-gate for (rp = bp->b_restrictions; rp; rp = rp->r_next) { 613*0Sstevel@tonic-gate /* see if current path is under the restriction */ 614*0Sstevel@tonic-gate if (prefix(name, rp->r_file)) 615*0Sstevel@tonic-gate return (TRUE); 616*0Sstevel@tonic-gate 617*0Sstevel@tonic-gate /* see if current path is on the way to restr */ 618*0Sstevel@tonic-gate if (prefix(rp->r_file, name)) 619*0Sstevel@tonic-gate /* 620*0Sstevel@tonic-gate * this is kinky, but walker really needs 621*0Sstevel@tonic-gate * to know the difference between a directory 622*0Sstevel@tonic-gate * that we are unreservedly scanning, and one 623*0Sstevel@tonic-gate * that we are scanning only to find something 624*0Sstevel@tonic-gate * beneath it. 625*0Sstevel@tonic-gate */ 626*0Sstevel@tonic-gate return (MAYBE); 627*0Sstevel@tonic-gate } 628*0Sstevel@tonic-gate 629*0Sstevel@tonic-gate /* 630*0Sstevel@tonic-gate * there are restrictions in effect and this file doesn't seem 631*0Sstevel@tonic-gate * to meet any of them 632*0Sstevel@tonic-gate */ 633*0Sstevel@tonic-gate if (opt_debug & DBG_RULE) 634*0Sstevel@tonic-gate fprintf(stderr, "RULE: FAIL RESTRICTION base=%d, file=%s\n", 635*0Sstevel@tonic-gate bp->b_ident, name); 636*0Sstevel@tonic-gate 637*0Sstevel@tonic-gate return (FALSE); 638*0Sstevel@tonic-gate } 639