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