1 /* $NetBSD: t_glob.c,v 1.10 2020/03/13 23:27:54 rillig Exp $ */ 2 /*- 3 * Copyright (c) 2010 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Christos Zoulas 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __RCSID("$NetBSD: t_glob.c,v 1.10 2020/03/13 23:27:54 rillig Exp $"); 36 37 #include <atf-c.h> 38 39 #include <sys/param.h> 40 #include <sys/stat.h> 41 42 #include <dirent.h> 43 #include <glob.h> 44 #include <stdarg.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include <errno.h> 49 50 #include "h_macros.h" 51 52 53 #ifdef DEBUG 54 #define DPRINTF(a) printf a 55 #else 56 #define DPRINTF(a) 57 #endif 58 59 struct vfs_file { 60 char type; /* 'd' or '-', like in ls(1) */ 61 const char *name; 62 }; 63 64 static struct vfs_file a[] = { 65 { '-', "1" }, 66 { 'd', "b" }, 67 { '-', "3" }, 68 { '-', "4" }, 69 }; 70 71 static struct vfs_file b[] = { 72 { '-', "x" }, 73 { '-', "y" }, 74 { '-', "z" }, 75 { '-', "w" }, 76 }; 77 78 static struct vfs_file hidden_dir[] = { 79 { '-', "visible-file" }, 80 { '-', ".hidden-file" }, 81 }; 82 83 static struct vfs_file dot[] = { 84 { 'd', "a" }, 85 { 'd', ".hidden-dir" }, 86 }; 87 88 struct vfs_dir { 89 const char *name; /* full directory name */ 90 const struct vfs_file *entries; 91 size_t entries_len; 92 size_t pos; /* only between opendir/closedir */ 93 }; 94 95 #define VFS_DIR_INIT(name, entries) \ 96 { name, entries, __arraycount(entries), 0 } 97 98 static struct vfs_dir d[] = { 99 VFS_DIR_INIT("a", a), 100 VFS_DIR_INIT("a/b", b), 101 VFS_DIR_INIT(".", dot), 102 VFS_DIR_INIT(".hidden-dir", hidden_dir), 103 }; 104 105 static void 106 trim(char *buf, size_t len, const char *name) 107 { 108 char *path = buf, *epath = buf + len; 109 while (path < epath && (*path++ = *name++) != '\0') 110 continue; 111 path--; 112 while (path > buf && *--path == '/') 113 *path = '\0'; 114 } 115 116 static void * 117 vfs_opendir(const char *dir) 118 { 119 size_t i; 120 char buf[MAXPATHLEN]; 121 trim(buf, sizeof(buf), dir); 122 123 for (i = 0; i < __arraycount(d); i++) 124 if (strcmp(buf, d[i].name) == 0) { 125 DPRINTF(("opendir %s %p\n", buf, &d[i])); 126 return &d[i]; 127 } 128 DPRINTF(("opendir %s ENOENT\n", buf)); 129 errno = ENOENT; 130 return NULL; 131 } 132 133 static struct dirent * 134 vfs_readdir(void *v) 135 { 136 static struct dirent dir; 137 struct vfs_dir *dd = v; 138 if (dd->pos < dd->entries_len) { 139 const struct vfs_file *f = &dd->entries[dd->pos++]; 140 strcpy(dir.d_name, f->name); 141 dir.d_namlen = strlen(f->name); 142 dir.d_ino = dd->pos; 143 dir.d_type = f->type == 'd' ? DT_DIR : DT_REG; 144 DPRINTF(("readdir %s %d\n", dir.d_name, dir.d_type)); 145 dir.d_reclen = _DIRENT_RECLEN(&dir, dir.d_namlen); 146 return &dir; 147 } 148 return NULL; 149 } 150 151 static int 152 vfs_stat(const char *name , __gl_stat_t *st) 153 { 154 char buf[MAXPATHLEN]; 155 trim(buf, sizeof(buf), name); 156 memset(st, 0, sizeof(*st)); 157 158 for (size_t i = 0; i < __arraycount(d); i++) 159 if (strcmp(buf, d[i].name) == 0) { 160 st->st_mode = S_IFDIR | 0755; 161 goto out; 162 } 163 164 for (size_t i = 0; i < __arraycount(d); i++) { 165 size_t dir_len = strlen(d[i].name); 166 if (strncmp(buf, d[i].name, dir_len) != 0) 167 continue; 168 if (buf[dir_len] != '/') 169 continue; 170 const char *base = buf + dir_len + 1; 171 172 for (size_t j = 0; j < d[i].entries_len; j++) { 173 const struct vfs_file *f = &d[i].entries[j]; 174 if (strcmp(f->name, base) != 0) 175 continue; 176 ATF_CHECK(f->type != 'd'); // handled above 177 st->st_mode = S_IFREG | 0644; 178 goto out; 179 } 180 } 181 DPRINTF(("stat %s ENOENT\n", buf)); 182 errno = ENOENT; 183 return -1; 184 out: 185 DPRINTF(("stat %s %06o\n", buf, st->st_mode)); 186 return 0; 187 } 188 189 static int 190 vfs_lstat(const char *name , __gl_stat_t *st) 191 { 192 return vfs_stat(name, st); 193 } 194 195 static void 196 vfs_closedir(void *v) 197 { 198 struct vfs_dir *dd = v; 199 dd->pos = 0; 200 DPRINTF(("closedir %p\n", dd)); 201 } 202 203 static void 204 run(const char *p, int flags, /* const char *res */ ...) 205 { 206 glob_t gl; 207 size_t i; 208 int e; 209 210 DPRINTF(("pattern %s\n", p)); 211 memset(&gl, 0, sizeof(gl)); 212 gl.gl_opendir = vfs_opendir; 213 gl.gl_readdir = vfs_readdir; 214 gl.gl_closedir = vfs_closedir; 215 gl.gl_stat = vfs_stat; 216 gl.gl_lstat = vfs_lstat; 217 218 switch ((e = glob(p, GLOB_ALTDIRFUNC | flags, NULL, &gl))) { 219 case 0: 220 break; 221 case GLOB_NOSPACE: 222 fprintf(stderr, "Malloc call failed.\n"); 223 goto bad; 224 case GLOB_ABORTED: 225 fprintf(stderr, "Unignored error.\n"); 226 goto bad; 227 case GLOB_NOMATCH: 228 fprintf(stderr, "No match, and GLOB_NOCHECK was not set.\n"); 229 goto bad; 230 case GLOB_NOSYS: 231 fprintf(stderr, "Implementation does not support function.\n"); 232 goto bad; 233 default: 234 fprintf(stderr, "Unknown error %d.\n", e); 235 goto bad; 236 } 237 238 for (i = 0; i < gl.gl_pathc; i++) 239 DPRINTF(("glob result %zu: %s\n", i, gl.gl_pathv[i])); 240 241 va_list res; 242 va_start(res, flags); 243 i = 0; 244 const char *name; 245 while ((name = va_arg(res, const char *)) != NULL && i < gl.gl_pathc) { 246 ATF_CHECK_STREQ(gl.gl_pathv[i], name); 247 i++; 248 } 249 va_end(res); 250 ATF_CHECK_EQ_MSG(i, gl.gl_pathc, 251 "expected %zu results, got %zu", i, gl.gl_pathc); 252 ATF_CHECK_EQ_MSG(name, NULL, 253 "\"%s\" should have been found, but wasn't", name); 254 255 globfree(&gl); 256 return; 257 bad: 258 ATF_REQUIRE_MSG(e == 0, "No match for `%s'", p); 259 } 260 261 #define run(p, flags, ...) (run)(p, flags, __VA_ARGS__, (const char *) 0) 262 263 ATF_TC(glob_range); 264 ATF_TC_HEAD(glob_range, tc) 265 { 266 atf_tc_set_md_var(tc, "descr", 267 "Test glob(3) range"); 268 } 269 270 ATF_TC_BODY(glob_range, tc) 271 { 272 run("a/b/[x-z]", 0, 273 "a/b/x", "a/b/y", "a/b/z"); 274 } 275 276 ATF_TC(glob_range_not); 277 ATF_TC_HEAD(glob_range_not, tc) 278 { 279 atf_tc_set_md_var(tc, "descr", 280 "Test glob(3) ! range"); 281 } 282 283 ATF_TC_BODY(glob_range_not, tc) 284 { 285 run("a/b/[!x-z]", 0, 286 "a/b/w"); 287 } 288 289 ATF_TC(glob_star); 290 ATF_TC_HEAD(glob_star, tc) 291 { 292 atf_tc_set_md_var(tc, "descr", 293 "Test glob(3) ** with GLOB_STAR"); 294 } 295 296 ATF_TC_BODY(glob_star, tc) 297 { 298 run("a/**", GLOB_STAR, 299 "a/1", "a/3", "a/4", "a/b", "a/b/w", "a/b/x", "a/b/y", "a/b/z"); 300 } 301 302 ATF_TC(glob_star_not); 303 ATF_TC_HEAD(glob_star_not, tc) 304 { 305 atf_tc_set_md_var(tc, "descr", 306 "Test glob(3) ** without GLOB_STAR"); 307 } 308 309 ATF_TC_BODY(glob_star_not, tc) 310 { 311 run("a/**", 0, 312 "a/1", "a/3", "a/4", "a/b"); 313 } 314 315 ATF_TC(glob_star_star); 316 ATF_TC_HEAD(glob_star_star, tc) 317 { 318 atf_tc_set_md_var(tc, "descr", 319 "Test glob(3) with star-star"); 320 } 321 322 ATF_TC_BODY(glob_star_star, tc) 323 { 324 run("**", GLOB_STAR, 325 "a", 326 "a/1", "a/3", "a/4", "a/b", 327 "a/b/w", "a/b/x", "a/b/y", "a/b/z"); 328 } 329 330 ATF_TC(glob_hidden); 331 ATF_TC_HEAD(glob_hidden, tc) 332 { 333 atf_tc_set_md_var(tc, "descr", 334 "Test glob(3) with hidden directory"); 335 } 336 337 ATF_TC_BODY(glob_hidden, tc) 338 { 339 run(".**", GLOB_STAR, 340 ".hidden-dir", 341 ".hidden-dir/visible-file"); 342 } 343 344 #if 0 345 ATF_TC(glob_nocheck); 346 ATF_TC_HEAD(glob_nocheck, tc) 347 { 348 atf_tc_set_md_var(tc, "descr", 349 "Test glob(3) pattern with backslash and GLOB_NOCHECK"); 350 } 351 352 353 ATF_TC_BODY(glob_nocheck, tc) 354 { 355 static const char pattern[] = { 'f', 'o', 'o', '\\', ';', 'b', 'a', 356 'r', '\0' }; 357 static const char *glob_nocheck[] = { 358 pattern 359 }; 360 run(pattern, GLOB_NOCHECK, glob_nocheck, __arraycount(glob_nocheck)); 361 } 362 #endif 363 364 ATF_TP_ADD_TCS(tp) 365 { 366 ATF_TP_ADD_TC(tp, glob_star); 367 ATF_TP_ADD_TC(tp, glob_star_not); 368 ATF_TP_ADD_TC(tp, glob_range); 369 ATF_TP_ADD_TC(tp, glob_range_not); 370 ATF_TP_ADD_TC(tp, glob_star_star); 371 ATF_TP_ADD_TC(tp, glob_hidden); 372 /* 373 * Remove this test for now - the GLOB_NOCHECK return value has been 374 * re-defined to return a modified pattern in revision 1.33 of glob.c 375 * 376 * ATF_TP_ADD_TC(tp, glob_nocheck); 377 */ 378 379 return atf_no_error(); 380 } 381
Indexes created Sat Sep 20 22:09:52 GMT 2025