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 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * Just in case we're not in a build environment, make sure that 31*0Sstevel@tonic-gate * TEXT_DOMAIN gets set to something. 32*0Sstevel@tonic-gate */ 33*0Sstevel@tonic-gate #if !defined(TEXT_DOMAIN) 34*0Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" 35*0Sstevel@tonic-gate #endif 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <meta.h> 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #include <ctype.h> 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate /* 42*0Sstevel@tonic-gate * free md.tab struct 43*0Sstevel@tonic-gate */ 44*0Sstevel@tonic-gate void 45*0Sstevel@tonic-gate meta_tab_free( 46*0Sstevel@tonic-gate md_tab_t *tabp 47*0Sstevel@tonic-gate ) 48*0Sstevel@tonic-gate { 49*0Sstevel@tonic-gate size_t line; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate Free(tabp->filename); 52*0Sstevel@tonic-gate Free(tabp->data); 53*0Sstevel@tonic-gate if (tabp->lines != NULL) { 54*0Sstevel@tonic-gate assert(tabp->alloc > 0); 55*0Sstevel@tonic-gate for (line = 0; (line < tabp->nlines); ++line) { 56*0Sstevel@tonic-gate md_tab_line_t *linep = &tabp->lines[line]; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate if (linep->context != NULL) 59*0Sstevel@tonic-gate Free(linep->context); 60*0Sstevel@tonic-gate if (linep->cname != NULL) 61*0Sstevel@tonic-gate Free(linep->cname); 62*0Sstevel@tonic-gate if (linep->argv != NULL) { 63*0Sstevel@tonic-gate assert(linep->alloc > 0); 64*0Sstevel@tonic-gate Free(linep->argv); 65*0Sstevel@tonic-gate } 66*0Sstevel@tonic-gate } 67*0Sstevel@tonic-gate Free(tabp->lines); 68*0Sstevel@tonic-gate } 69*0Sstevel@tonic-gate Free(tabp); 70*0Sstevel@tonic-gate } 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate /* 73*0Sstevel@tonic-gate * (re)allocate argv array 74*0Sstevel@tonic-gate */ 75*0Sstevel@tonic-gate static void 76*0Sstevel@tonic-gate realloc_argv( 77*0Sstevel@tonic-gate md_tab_line_t *linep, 78*0Sstevel@tonic-gate size_t argc 79*0Sstevel@tonic-gate ) 80*0Sstevel@tonic-gate { 81*0Sstevel@tonic-gate /* allocate in chunks */ 82*0Sstevel@tonic-gate argc = roundup(argc, TAB_ARG_ALLOC); 83*0Sstevel@tonic-gate if (argc < linep->alloc) 84*0Sstevel@tonic-gate return; 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate /* (re)allocate */ 87*0Sstevel@tonic-gate if (linep->alloc == 0) { 88*0Sstevel@tonic-gate linep->argv = Malloc(argc * sizeof (*linep->argv)); 89*0Sstevel@tonic-gate } else { 90*0Sstevel@tonic-gate assert(linep->argv != NULL); 91*0Sstevel@tonic-gate linep->argv = 92*0Sstevel@tonic-gate Realloc(linep->argv, (argc * sizeof (*linep->argv))); 93*0Sstevel@tonic-gate } 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate /* zero out new stuff */ 96*0Sstevel@tonic-gate (void) memset(&linep->argv[linep->alloc], 0, 97*0Sstevel@tonic-gate ((argc - linep->alloc) * sizeof (*linep->argv))); 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate /* adjust for new size */ 100*0Sstevel@tonic-gate linep->alloc = argc; 101*0Sstevel@tonic-gate } 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate /* 104*0Sstevel@tonic-gate * (re)allocate line array 105*0Sstevel@tonic-gate */ 106*0Sstevel@tonic-gate static void 107*0Sstevel@tonic-gate realloc_lines( 108*0Sstevel@tonic-gate md_tab_t *tabp, 109*0Sstevel@tonic-gate size_t nlines 110*0Sstevel@tonic-gate ) 111*0Sstevel@tonic-gate { 112*0Sstevel@tonic-gate /* allocate in chunks */ 113*0Sstevel@tonic-gate nlines = roundup(nlines, TAB_LINE_ALLOC); 114*0Sstevel@tonic-gate if (nlines < tabp->alloc) 115*0Sstevel@tonic-gate return; 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate /* (re)allocate */ 118*0Sstevel@tonic-gate if (tabp->alloc == 0) { 119*0Sstevel@tonic-gate assert(tabp->lines == NULL); 120*0Sstevel@tonic-gate tabp->lines = Malloc(nlines * sizeof (*tabp->lines)); 121*0Sstevel@tonic-gate } else { 122*0Sstevel@tonic-gate assert(tabp->lines != NULL); 123*0Sstevel@tonic-gate tabp->lines = 124*0Sstevel@tonic-gate Realloc(tabp->lines, (nlines * sizeof (*tabp->lines))); 125*0Sstevel@tonic-gate } 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate /* zero out new stuff */ 128*0Sstevel@tonic-gate (void) memset(&tabp->lines[tabp->alloc], 0, 129*0Sstevel@tonic-gate ((nlines - tabp->alloc) * sizeof (*tabp->lines))); 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate /* adjust for new size */ 132*0Sstevel@tonic-gate tabp->alloc = nlines; 133*0Sstevel@tonic-gate } 134*0Sstevel@tonic-gate 135*0Sstevel@tonic-gate /* 136*0Sstevel@tonic-gate * parse up md.tab struct 137*0Sstevel@tonic-gate */ 138*0Sstevel@tonic-gate static void 139*0Sstevel@tonic-gate parse_tab( 140*0Sstevel@tonic-gate md_tab_t *tabp 141*0Sstevel@tonic-gate ) 142*0Sstevel@tonic-gate { 143*0Sstevel@tonic-gate uint_t lineno = 1; 144*0Sstevel@tonic-gate char *p = tabp->data; 145*0Sstevel@tonic-gate char *e = tabp->data + tabp->total - 1; 146*0Sstevel@tonic-gate char *context; 147*0Sstevel@tonic-gate size_t len; 148*0Sstevel@tonic-gate 149*0Sstevel@tonic-gate /* we can count on '\n\0' as the last characters */ 150*0Sstevel@tonic-gate assert(tabp->total >= 2); 151*0Sstevel@tonic-gate assert(tabp->data[tabp->total - 2] == '\n'); 152*0Sstevel@tonic-gate assert(tabp->data[tabp->total - 1] == '\0'); 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate /* allocate context buffer "file line XXX" */ 155*0Sstevel@tonic-gate assert(tabp->filename != NULL); 156*0Sstevel@tonic-gate len = strlen(tabp->filename) + 157*0Sstevel@tonic-gate strlen(dgettext(TEXT_DOMAIN, "%s line %u")) + 20 + 1; 158*0Sstevel@tonic-gate context = Malloc(len); 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate /* parse lines */ 161*0Sstevel@tonic-gate while (p < e) { 162*0Sstevel@tonic-gate md_tab_line_t *linep; 163*0Sstevel@tonic-gate char *t; 164*0Sstevel@tonic-gate 165*0Sstevel@tonic-gate /* allocate new line */ 166*0Sstevel@tonic-gate realloc_lines(tabp, (tabp->nlines + 1)); 167*0Sstevel@tonic-gate linep = &tabp->lines[tabp->nlines]; 168*0Sstevel@tonic-gate (void) snprintf(context, len, 169*0Sstevel@tonic-gate dgettext(TEXT_DOMAIN, "%s line %u"), tabp->filename, 170*0Sstevel@tonic-gate lineno); 171*0Sstevel@tonic-gate 172*0Sstevel@tonic-gate /* comments */ 173*0Sstevel@tonic-gate if (*p == '#') { 174*0Sstevel@tonic-gate while (*p != '\n') 175*0Sstevel@tonic-gate ++p; 176*0Sstevel@tonic-gate } 177*0Sstevel@tonic-gate 178*0Sstevel@tonic-gate /* coalesce \ continuations */ 179*0Sstevel@tonic-gate t = p; 180*0Sstevel@tonic-gate while (*t != '\n') { 181*0Sstevel@tonic-gate if ((*t == '\\') && (*(t + 1) == '\n')) { 182*0Sstevel@tonic-gate *t++ = ' '; 183*0Sstevel@tonic-gate *t = ' '; 184*0Sstevel@tonic-gate ++lineno; 185*0Sstevel@tonic-gate } 186*0Sstevel@tonic-gate ++t; 187*0Sstevel@tonic-gate } 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate /* leading whitespace */ 190*0Sstevel@tonic-gate while ((*p != '\n') && (isspace(*p))) 191*0Sstevel@tonic-gate ++p; 192*0Sstevel@tonic-gate 193*0Sstevel@tonic-gate /* count lines */ 194*0Sstevel@tonic-gate if (*p == '\n') { 195*0Sstevel@tonic-gate ++p; 196*0Sstevel@tonic-gate ++lineno; 197*0Sstevel@tonic-gate continue; 198*0Sstevel@tonic-gate } 199*0Sstevel@tonic-gate 200*0Sstevel@tonic-gate /* tokenize line */ 201*0Sstevel@tonic-gate while ((p < e) && (*p != '\n')) { 202*0Sstevel@tonic-gate char **argvp; 203*0Sstevel@tonic-gate 204*0Sstevel@tonic-gate /* allocate new token */ 205*0Sstevel@tonic-gate realloc_argv(linep, (linep->argc + 1)); 206*0Sstevel@tonic-gate argvp = &linep->argv[linep->argc++]; 207*0Sstevel@tonic-gate 208*0Sstevel@tonic-gate /* find end of token */ 209*0Sstevel@tonic-gate *argvp = p; 210*0Sstevel@tonic-gate while ((*p != '\n') && (! isspace(*p))) 211*0Sstevel@tonic-gate ++p; 212*0Sstevel@tonic-gate 213*0Sstevel@tonic-gate /* terminate */ 214*0Sstevel@tonic-gate if (*p == '\n') { 215*0Sstevel@tonic-gate *p++ = '\0'; 216*0Sstevel@tonic-gate ++lineno; 217*0Sstevel@tonic-gate break; 218*0Sstevel@tonic-gate } 219*0Sstevel@tonic-gate 220*0Sstevel@tonic-gate /* eat white space */ 221*0Sstevel@tonic-gate *p++ = '\0'; 222*0Sstevel@tonic-gate while ((p < e) && (*p != '\n') && (isspace(*p))) 223*0Sstevel@tonic-gate ++p; 224*0Sstevel@tonic-gate } 225*0Sstevel@tonic-gate tabp->nlines++; 226*0Sstevel@tonic-gate 227*0Sstevel@tonic-gate /* fill in the rest */ 228*0Sstevel@tonic-gate assert((linep->argc > 0) && (linep->argv != NULL) && 229*0Sstevel@tonic-gate (linep->argv[0][0] != '\0') && 230*0Sstevel@tonic-gate (! isspace(linep->argv[0][0]))); 231*0Sstevel@tonic-gate linep->context = Strdup(context); 232*0Sstevel@tonic-gate linep->type = meta_get_init_type(linep->argc, linep->argv); 233*0Sstevel@tonic-gate linep->cname = Strdup(meta_canonicalize(NULL, linep->argv[0])); 234*0Sstevel@tonic-gate assert(linep->cname != NULL); 235*0Sstevel@tonic-gate } 236*0Sstevel@tonic-gate 237*0Sstevel@tonic-gate /* cleanup */ 238*0Sstevel@tonic-gate Free(context); 239*0Sstevel@tonic-gate } 240*0Sstevel@tonic-gate 241*0Sstevel@tonic-gate /* 242*0Sstevel@tonic-gate * read in md.tab file and return struct 243*0Sstevel@tonic-gate */ 244*0Sstevel@tonic-gate md_tab_t * 245*0Sstevel@tonic-gate meta_tab_parse( 246*0Sstevel@tonic-gate char *filename, 247*0Sstevel@tonic-gate md_error_t *ep 248*0Sstevel@tonic-gate ) 249*0Sstevel@tonic-gate { 250*0Sstevel@tonic-gate md_tab_t *tabp = NULL; 251*0Sstevel@tonic-gate int fd = -1; 252*0Sstevel@tonic-gate struct stat statbuf; 253*0Sstevel@tonic-gate size_t sofar; 254*0Sstevel@tonic-gate char *p; 255*0Sstevel@tonic-gate 256*0Sstevel@tonic-gate /* open tab file */ 257*0Sstevel@tonic-gate if (filename == NULL) 258*0Sstevel@tonic-gate filename = METATAB; 259*0Sstevel@tonic-gate if ((fd = open(filename, O_RDONLY, 0)) < 0) { 260*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, filename); 261*0Sstevel@tonic-gate goto out; 262*0Sstevel@tonic-gate } 263*0Sstevel@tonic-gate if (fstat(fd, &statbuf) != 0) { 264*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, filename); 265*0Sstevel@tonic-gate goto out; 266*0Sstevel@tonic-gate } 267*0Sstevel@tonic-gate 268*0Sstevel@tonic-gate /* allocate table */ 269*0Sstevel@tonic-gate tabp = Zalloc(sizeof (*tabp)); 270*0Sstevel@tonic-gate tabp->filename = Strdup(filename); 271*0Sstevel@tonic-gate tabp->total = statbuf.st_size + 2; /* terminating "\n\0" */ 272*0Sstevel@tonic-gate tabp->data = Malloc(tabp->total); 273*0Sstevel@tonic-gate 274*0Sstevel@tonic-gate /* read in data */ 275*0Sstevel@tonic-gate sofar = 0; 276*0Sstevel@tonic-gate p = tabp->data; 277*0Sstevel@tonic-gate while (sofar < statbuf.st_size) { 278*0Sstevel@tonic-gate int cnt; 279*0Sstevel@tonic-gate 280*0Sstevel@tonic-gate if ((cnt = read(fd, p, 8192)) < 0) { 281*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, filename); 282*0Sstevel@tonic-gate goto out; 283*0Sstevel@tonic-gate } else if (cnt == 0) { 284*0Sstevel@tonic-gate (void) mderror(ep, MDE_SYNTAX, filename); 285*0Sstevel@tonic-gate goto out; 286*0Sstevel@tonic-gate } 287*0Sstevel@tonic-gate sofar += cnt; 288*0Sstevel@tonic-gate p += cnt; 289*0Sstevel@tonic-gate } 290*0Sstevel@tonic-gate tabp->data[tabp->total - 2] = '\n'; 291*0Sstevel@tonic-gate tabp->data[tabp->total - 1] = '\0'; 292*0Sstevel@tonic-gate 293*0Sstevel@tonic-gate /* close file */ 294*0Sstevel@tonic-gate if (close(fd) != 0) { 295*0Sstevel@tonic-gate (void) mdsyserror(ep, errno, filename); 296*0Sstevel@tonic-gate fd = -1; 297*0Sstevel@tonic-gate goto out; 298*0Sstevel@tonic-gate } 299*0Sstevel@tonic-gate fd = -1; 300*0Sstevel@tonic-gate 301*0Sstevel@tonic-gate /* parse it up */ 302*0Sstevel@tonic-gate parse_tab(tabp); 303*0Sstevel@tonic-gate 304*0Sstevel@tonic-gate /* return success */ 305*0Sstevel@tonic-gate return (tabp); 306*0Sstevel@tonic-gate 307*0Sstevel@tonic-gate /* cleanup, return error */ 308*0Sstevel@tonic-gate out: 309*0Sstevel@tonic-gate if (fd >= 0) 310*0Sstevel@tonic-gate (void) close(fd); 311*0Sstevel@tonic-gate if (tabp != NULL) 312*0Sstevel@tonic-gate meta_tab_free(tabp); 313*0Sstevel@tonic-gate return (NULL); 314*0Sstevel@tonic-gate } 315*0Sstevel@tonic-gate 316*0Sstevel@tonic-gate /* 317*0Sstevel@tonic-gate * find line in md.tab 318*0Sstevel@tonic-gate */ 319*0Sstevel@tonic-gate md_tab_line_t * 320*0Sstevel@tonic-gate meta_tab_find( 321*0Sstevel@tonic-gate mdsetname_t *sp, 322*0Sstevel@tonic-gate md_tab_t *tabp, 323*0Sstevel@tonic-gate char *name, 324*0Sstevel@tonic-gate mdinittypes_t type 325*0Sstevel@tonic-gate ) 326*0Sstevel@tonic-gate { 327*0Sstevel@tonic-gate char *cname = meta_canonicalize(sp, name); 328*0Sstevel@tonic-gate size_t line; 329*0Sstevel@tonic-gate 330*0Sstevel@tonic-gate for (line = 0; (line < tabp->nlines); ++line) { 331*0Sstevel@tonic-gate md_tab_line_t *linep = &tabp->lines[line]; 332*0Sstevel@tonic-gate 333*0Sstevel@tonic-gate assert((linep->argc > 0) && (linep->argv[0] != NULL)); 334*0Sstevel@tonic-gate if (((linep->type & type) != 0) && 335*0Sstevel@tonic-gate (strcmp(linep->cname, cname) == 0)) { 336*0Sstevel@tonic-gate Free(cname); 337*0Sstevel@tonic-gate return (linep); 338*0Sstevel@tonic-gate } 339*0Sstevel@tonic-gate } 340*0Sstevel@tonic-gate Free(cname); 341*0Sstevel@tonic-gate return (NULL); 342*0Sstevel@tonic-gate } 343