Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 1 | #include <sys/types.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 2 | #include <sys/mman.h> |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 3 | #include <sys/resource.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 4 | #include <sys/stat.h> |
Vinson Lee | 9af0bd7 | 2012-02-09 15:05:50 -0800 | [diff] [blame] | 5 | #include <errno.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 6 | #include <fcntl.h> |
| 7 | #include <libgen.h> |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 8 | #include <limits.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 9 | #include <pwd.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 10 | #include <stdarg.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 11 | #include <stdlib.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 12 | #include <unistd.h> |
| 13 | #include "test.h" |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 14 | #include "safe_macros.h" |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 15 | |
| 16 | char * |
| 17 | safe_basename(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 18 | char *path) |
| 19 | { |
| 20 | char *rval; |
| 21 | |
| 22 | rval = basename(path); |
| 23 | if (rval == NULL) |
| 24 | tst_brkm(TBROK|TERRNO, cleanup_fn, "basename failed at %s:%d", |
| 25 | file, lineno); |
| 26 | |
| 27 | return (rval); |
| 28 | } |
| 29 | |
| 30 | int |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 31 | safe_chdir(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 32 | const char *path) |
| 33 | { |
| 34 | int rval; |
| 35 | |
| 36 | rval = chdir(path); |
| 37 | if (rval == -1) |
| 38 | tst_brkm(TBROK|TERRNO, cleanup_fn, "chdir failed at %s:%d", |
| 39 | file, lineno); |
| 40 | |
| 41 | return (rval); |
| 42 | } |
| 43 | |
| 44 | int |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 45 | safe_close(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 46 | int fildes) |
| 47 | { |
| 48 | int rval; |
| 49 | |
| 50 | rval = close(fildes); |
| 51 | if (rval == -1) |
| 52 | tst_brkm(TBROK|TERRNO, cleanup_fn, "close failed at %s:%d", |
| 53 | file, lineno); |
| 54 | |
| 55 | return (rval); |
| 56 | } |
| 57 | |
| 58 | int |
| 59 | safe_creat(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 60 | char *pathname, mode_t mode) |
| 61 | { |
| 62 | int rval; |
| 63 | |
| 64 | rval = creat(pathname, mode); |
| 65 | if (rval == -1) |
| 66 | tst_brkm(TBROK|TERRNO, cleanup_fn, "pipe failed at %s:%d", |
| 67 | file, lineno); |
| 68 | |
| 69 | return (rval); |
| 70 | } |
| 71 | |
| 72 | char * |
| 73 | safe_dirname(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 74 | char *path) |
| 75 | { |
| 76 | char *rval; |
| 77 | |
| 78 | rval = dirname(path); |
| 79 | if (rval == NULL) |
| 80 | tst_brkm(TBROK|TERRNO, cleanup_fn, "dirname failed at %s:%d", |
| 81 | file, lineno); |
| 82 | |
| 83 | return (rval); |
| 84 | } |
| 85 | |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 86 | char * |
| 87 | safe_getcwd(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 88 | char *buf, size_t size) |
| 89 | { |
| 90 | char *rval; |
| 91 | |
| 92 | rval = getcwd(buf, size); |
| 93 | if (rval == NULL) |
| 94 | tst_brkm(TBROK|TERRNO, cleanup_fn, "getcwd failed at %s:%d", |
| 95 | file, lineno); |
| 96 | |
| 97 | return (rval); |
| 98 | } |
| 99 | |
| 100 | struct passwd* |
| 101 | safe_getpwnam(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 102 | const char *name) |
| 103 | { |
| 104 | struct passwd *rval; |
| 105 | |
| 106 | rval = getpwnam(name); |
| 107 | if (rval == NULL) |
| 108 | tst_brkm(TBROK|TERRNO, cleanup_fn, "getpwnam failed at %s:%d", |
| 109 | file, lineno); |
| 110 | |
| 111 | return (rval); |
| 112 | } |
| 113 | |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 114 | int |
| 115 | safe_getrusage(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 116 | int who, struct rusage *usage) |
| 117 | { |
| 118 | int rval; |
| 119 | |
| 120 | rval = getrusage(who, usage); |
| 121 | if (rval == -1) |
| 122 | tst_brkm(TBROK|TERRNO, cleanup_fn, "getrusage failed at %s:%d", |
| 123 | file, lineno); |
| 124 | |
| 125 | return rval; |
| 126 | } |
| 127 | |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 128 | void* |
| 129 | safe_malloc(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 130 | size_t size) |
| 131 | { |
| 132 | void *rval; |
| 133 | |
| 134 | rval = malloc(size); |
| 135 | if (rval == NULL) |
| 136 | tst_brkm(TBROK|TERRNO, cleanup_fn, "malloc failed at %s:%d", |
| 137 | file, lineno); |
| 138 | |
| 139 | return (rval); |
| 140 | } |
| 141 | |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 142 | int |
| 143 | safe_mkdir(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 144 | const char *pathname, mode_t mode) |
| 145 | { |
| 146 | int rval; |
| 147 | |
| 148 | rval = mkdir(pathname, mode); |
| 149 | if (rval == -1) |
| 150 | tst_brkm(TBROK|TERRNO, cleanup_fn, "mkdir failed at %s:%d", |
| 151 | file, lineno); |
| 152 | |
| 153 | return (rval); |
| 154 | } |
| 155 | |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 156 | void* |
| 157 | safe_mmap(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 158 | void *addr, size_t length, int prot, int flags, int fd, off_t offset) |
| 159 | { |
| 160 | void *rval; |
| 161 | |
| 162 | rval = mmap(addr, length, prot, flags, fd, offset); |
| 163 | if (rval == MAP_FAILED) |
| 164 | tst_brkm(TBROK|TERRNO, cleanup_fn, "mmap failed at %s:%d", |
| 165 | file, lineno); |
| 166 | |
| 167 | return (rval); |
| 168 | } |
| 169 | |
| 170 | int |
| 171 | safe_munmap(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 172 | void *addr, size_t length) |
| 173 | { |
| 174 | int rval; |
| 175 | |
| 176 | rval = munmap(addr, length); |
| 177 | if (rval == -1) |
| 178 | tst_brkm(TBROK|TERRNO, cleanup_fn, "munmap failed at %s:%d", |
| 179 | file, lineno); |
| 180 | |
| 181 | return (rval); |
| 182 | } |
| 183 | |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 184 | int |
| 185 | safe_open(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 186 | const char *pathname, int oflags, ...) |
| 187 | { |
| 188 | va_list ap; |
| 189 | int rval; |
| 190 | mode_t mode; |
| 191 | |
| 192 | va_start(ap, oflags); |
| 193 | mode = va_arg(ap, mode_t); |
| 194 | va_end(ap); |
| 195 | |
| 196 | rval = open(pathname, oflags, mode); |
| 197 | if (rval == -1) |
| 198 | tst_brkm(TBROK|TERRNO, cleanup_fn, "open failed at %s:%d", |
| 199 | file, lineno); |
| 200 | |
| 201 | return (rval); |
| 202 | } |
| 203 | |
| 204 | int |
| 205 | safe_pipe(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 206 | int fildes[2]) |
| 207 | { |
| 208 | int rval; |
| 209 | |
| 210 | rval = pipe(fildes); |
| 211 | if (rval == -1) |
| 212 | tst_brkm(TBROK|TERRNO, cleanup_fn, "pipe failed at %s:%d", |
| 213 | file, lineno); |
| 214 | |
| 215 | return (rval); |
| 216 | } |
| 217 | |
| 218 | ssize_t |
| 219 | safe_read(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 220 | char len_strict, int fildes, void *buf, size_t nbyte) |
| 221 | { |
| 222 | ssize_t rval; |
| 223 | |
| 224 | rval = read(fildes, buf, nbyte); |
Garrett Cooper | ac0d5eb | 2012-05-20 14:05:35 -0700 | [diff] [blame] | 225 | if (rval == -1 || (len_strict && rval != nbyte)) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 226 | tst_brkm(TBROK|TERRNO, cleanup_fn, "read failed at %s:%d", |
| 227 | file, lineno); |
| 228 | |
| 229 | return (rval); |
| 230 | } |
| 231 | |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 232 | int |
| 233 | safe_setegid(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 234 | gid_t egid) |
| 235 | { |
| 236 | int rval; |
| 237 | |
| 238 | rval = setegid(egid); |
| 239 | if (rval == -1) |
| 240 | tst_brkm(TBROK|TERRNO, cleanup_fn, "setegid failed at %s:%d", |
| 241 | file, lineno); |
| 242 | |
| 243 | return (rval); |
| 244 | } |
| 245 | |
| 246 | int |
| 247 | safe_seteuid(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 248 | uid_t euid) |
| 249 | { |
| 250 | int rval; |
| 251 | |
| 252 | rval = seteuid(euid); |
| 253 | if (rval == -1) |
| 254 | tst_brkm(TBROK|TERRNO, cleanup_fn, "seteuid failed at %s:%d", |
| 255 | file, lineno); |
| 256 | |
| 257 | return (rval); |
| 258 | } |
| 259 | |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 260 | int |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 261 | safe_setgid(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 262 | gid_t gid) |
| 263 | { |
| 264 | int rval; |
| 265 | |
| 266 | rval = setgid(gid); |
| 267 | if (rval == -1) |
| 268 | tst_brkm(TBROK|TERRNO, cleanup_fn, "setgid failed at %s:%d", |
| 269 | file, lineno); |
| 270 | |
| 271 | return (rval); |
| 272 | } |
| 273 | |
| 274 | int |
| 275 | safe_setuid(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 276 | uid_t uid) |
| 277 | { |
| 278 | int rval; |
| 279 | |
| 280 | rval = setuid(uid); |
| 281 | if (rval == -1) |
| 282 | tst_brkm(TBROK|TERRNO, cleanup_fn, "setuid failed at %s:%d", |
| 283 | file, lineno); |
| 284 | |
| 285 | return (rval); |
| 286 | } |
| 287 | |
| 288 | int |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 289 | safe_unlink(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 290 | const char *pathname) |
| 291 | { |
| 292 | int rval; |
| 293 | |
| 294 | rval = unlink(pathname); |
| 295 | if (rval == -1) |
| 296 | tst_brkm(TBROK|TERRNO, cleanup_fn, "unlink failed at %s:%d", |
| 297 | file, lineno); |
| 298 | |
| 299 | return (rval); |
| 300 | } |
| 301 | |
| 302 | ssize_t |
| 303 | safe_write(const char *file, const int lineno, void (cleanup_fn)(void), |
| 304 | char len_strict, int fildes, const void *buf, size_t nbyte) |
| 305 | { |
| 306 | ssize_t rval; |
| 307 | |
| 308 | rval = write(fildes, buf, nbyte); |
| 309 | if ((len_strict == 0 && rval == -1) || rval != nbyte) |
| 310 | tst_brkm(TBROK|TERRNO, cleanup_fn, "write failed at %s:%d", |
| 311 | file, lineno); |
| 312 | |
| 313 | return (rval); |
| 314 | } |
Cyril Hrubis | 3f75fe4 | 2011-12-28 15:33:12 +0100 | [diff] [blame] | 315 | |
| 316 | int safe_ftruncate(const char *file, const int lineno, |
| 317 | void (cleanup_fn)(void), int fd, off_t length) |
| 318 | { |
| 319 | int rval; |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 320 | |
Cyril Hrubis | 3f75fe4 | 2011-12-28 15:33:12 +0100 | [diff] [blame] | 321 | rval = ftruncate(fd, length); |
| 322 | if (rval == -1) { |
| 323 | tst_brkm(TBROK|TERRNO, cleanup_fn, "ftruncate failed at %s:%d", |
| 324 | file, lineno); |
| 325 | } |
| 326 | |
| 327 | return rval; |
| 328 | } |
| 329 | |
| 330 | int safe_truncate(const char *file, const int lineno, |
| 331 | void (cleanup_fn)(void), const char *path, off_t length) |
| 332 | { |
| 333 | int rval; |
| 334 | |
| 335 | rval = truncate(path, length); |
| 336 | if (rval == -1) { |
| 337 | tst_brkm(TBROK|TERRNO, cleanup_fn, "truncate failed at %s:%d", |
| 338 | file, lineno); |
| 339 | } |
| 340 | |
| 341 | return rval; |
| 342 | } |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 343 | |
| 344 | long safe_strtol(const char *file, const int lineno, |
| 345 | void (cleanup_fn)(void), char *str, long min, long max) |
| 346 | { |
| 347 | long rval; |
| 348 | char *endptr; |
| 349 | |
| 350 | errno = 0; |
| 351 | rval = strtol(str, &endptr, 10); |
| 352 | if ((errno == ERANGE && (rval == LONG_MAX || rval == LONG_MIN)) |
| 353 | || (errno != 0 && rval == 0)) |
| 354 | tst_brkm(TBROK|TERRNO, cleanup_fn, |
| 355 | "strtol failed at %s:%d", file, lineno); |
| 356 | if (rval > max || rval < min) |
| 357 | tst_brkm(TBROK, cleanup_fn, |
| 358 | "converted value out of range (%ld - %ld) at %s:%d", |
| 359 | min, max, file, lineno); |
| 360 | if (endptr == str || (*endptr != '\0' && *endptr != '\n')) |
| 361 | tst_brkm(TBROK, cleanup_fn, |
| 362 | "Invalid value: '%s' at %s:%d", str, file, lineno); |
| 363 | |
| 364 | return rval; |
| 365 | } |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame^] | 366 | |
| 367 | unsigned long safe_strtoul(const char *file, const int lineno, void (cleanup_fn)(void), |
| 368 | char *str, unsigned long min, unsigned long max) |
| 369 | { |
| 370 | unsigned long rval; |
| 371 | char *endptr; |
| 372 | |
| 373 | errno = 0; |
| 374 | rval = strtoul(str, &endptr, 10); |
| 375 | if ((errno == ERANGE && rval == ULONG_MAX) |
| 376 | || (errno != 0 && rval == 0)) |
| 377 | tst_brkm(TBROK|TERRNO, cleanup_fn, |
| 378 | "strtol failed at %s:%d", file, lineno); |
| 379 | if (rval > max || rval < min) |
| 380 | tst_brkm(TBROK, cleanup_fn, |
| 381 | "converted value out of range (%lu - %lu at %s:%d", |
| 382 | min, max, file, lineno); |
| 383 | if (endptr == str || (*endptr != '\0' && *endptr != '\n')) |
| 384 | tst_brkm(TBROK, cleanup_fn, |
| 385 | "Invalid value: '%s' at %s:%d", str, file, lineno); |
| 386 | |
| 387 | return rval; |
| 388 | } |