Zeng Linggang | 91d6742 | 2014-04-25 10:46:32 +0800 | [diff] [blame] | 1 | #define _GNU_SOURCE |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 2 | #include <sys/types.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 3 | #include <sys/mman.h> |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 4 | #include <sys/resource.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 5 | #include <sys/stat.h> |
Cyril Hrubis | f3e448f | 2014-04-24 14:24:49 +0200 | [diff] [blame] | 6 | #include <sys/wait.h> |
Matus Marhefka | 8e9db8d | 2014-08-29 14:22:11 +0200 | [diff] [blame^] | 7 | #include <sys/mount.h> |
Vinson Lee | 9af0bd7 | 2012-02-09 15:05:50 -0800 | [diff] [blame] | 8 | #include <errno.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 9 | #include <fcntl.h> |
| 10 | #include <libgen.h> |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 11 | #include <limits.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 12 | #include <pwd.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 13 | #include <stdarg.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 14 | #include <stdlib.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 15 | #include <unistd.h> |
Zeng Linggang | 5ff25ef | 2014-05-06 15:49:42 +0800 | [diff] [blame] | 16 | #include <malloc.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 17 | #include "test.h" |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 18 | #include "safe_macros.h" |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 19 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 20 | char *safe_basename(const char *file, const int lineno, |
| 21 | void (*cleanup_fn) (void), char *path) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 22 | { |
| 23 | char *rval; |
| 24 | |
| 25 | rval = basename(path); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 26 | if (rval == NULL) { |
| 27 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 28 | "%s:%d: basename(%s) failed", |
| 29 | file, lineno, path); |
| 30 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 31 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 32 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 33 | } |
| 34 | |
| 35 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 36 | safe_chdir(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 37 | const char *path) |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 38 | { |
| 39 | int rval; |
| 40 | |
| 41 | rval = chdir(path); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 42 | if (rval == -1) { |
| 43 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 44 | "%s:%d: chdir(%s) failed", |
| 45 | file, lineno, path); |
| 46 | } |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 47 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 48 | return rval; |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 52 | safe_close(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 53 | int fildes) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 54 | { |
| 55 | int rval; |
| 56 | |
| 57 | rval = close(fildes); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 58 | if (rval == -1) { |
| 59 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 60 | "%s:%d: close(%d) failed", |
| 61 | file, lineno, fildes); |
| 62 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 63 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 64 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 68 | safe_creat(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 69 | char *pathname, mode_t mode) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 70 | { |
| 71 | int rval; |
| 72 | |
| 73 | rval = creat(pathname, mode); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 74 | if (rval == -1) { |
| 75 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 76 | "%s:%d: creat(%s,0%o) failed", |
| 77 | file, lineno, pathname, mode); |
| 78 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 79 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 80 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 81 | } |
| 82 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 83 | char *safe_dirname(const char *file, const int lineno, |
| 84 | void (*cleanup_fn) (void), char *path) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 85 | { |
| 86 | char *rval; |
| 87 | |
| 88 | rval = dirname(path); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 89 | if (rval == NULL) { |
| 90 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 91 | "%s:%d: dirname(%s) failed", |
| 92 | file, lineno, path); |
| 93 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 94 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 95 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 96 | } |
| 97 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 98 | char *safe_getcwd(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 99 | char *buf, size_t size) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 100 | { |
| 101 | char *rval; |
| 102 | |
| 103 | rval = getcwd(buf, size); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 104 | if (rval == NULL) { |
| 105 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 106 | "%s:%d: getcwd(%p,%zu) failed", |
| 107 | file, lineno, buf, size); |
| 108 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 109 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 110 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 111 | } |
| 112 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 113 | struct passwd *safe_getpwnam(const char *file, const int lineno, |
| 114 | void (*cleanup_fn) (void), const char *name) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 115 | { |
| 116 | struct passwd *rval; |
| 117 | |
| 118 | rval = getpwnam(name); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 119 | if (rval == NULL) { |
| 120 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 121 | "%s:%d: getpwnam(%s) failed", |
| 122 | file, lineno, name); |
| 123 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 124 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 125 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 126 | } |
| 127 | |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 128 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 129 | safe_getrusage(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 130 | int who, struct rusage *usage) |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 131 | { |
| 132 | int rval; |
| 133 | |
| 134 | rval = getrusage(who, usage); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 135 | if (rval == -1) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 136 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 137 | "%s:%d: getrusage(%d,%p) failed", |
| 138 | file, lineno, who, usage); |
| 139 | } |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 140 | |
| 141 | return rval; |
| 142 | } |
| 143 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 144 | void *safe_malloc(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 145 | size_t size) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 146 | { |
| 147 | void *rval; |
| 148 | |
| 149 | rval = malloc(size); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 150 | if (rval == NULL) { |
| 151 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 152 | "%s:%d: malloc(%zu) failed", |
| 153 | file, lineno, size); |
| 154 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 155 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 156 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 157 | } |
| 158 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 159 | int safe_mkdir(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 160 | const char *pathname, mode_t mode) |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 161 | { |
| 162 | int rval; |
| 163 | |
| 164 | rval = mkdir(pathname, mode); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 165 | if (rval == -1) { |
| 166 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 167 | "%s:%d: mkdir(%s,0%o) failed", |
| 168 | file, lineno, pathname, mode); |
| 169 | } |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 170 | |
| 171 | return (rval); |
| 172 | } |
| 173 | |
Cyril Hrubis | 97499c2 | 2014-05-07 14:54:22 +0200 | [diff] [blame] | 174 | int safe_rmdir(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 175 | const char *pathname) |
| 176 | { |
| 177 | int rval; |
| 178 | |
| 179 | rval = rmdir(pathname); |
| 180 | if (rval == -1) { |
| 181 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 182 | "%s:%d: rmdir(%s) failed", |
| 183 | file, lineno, pathname); |
| 184 | } |
| 185 | |
| 186 | return (rval); |
| 187 | } |
| 188 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 189 | int safe_munmap(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 190 | void *addr, size_t length) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 191 | { |
| 192 | int rval; |
| 193 | |
| 194 | rval = munmap(addr, length); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 195 | if (rval == -1) { |
| 196 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 197 | "%s:%d: munmap(%p,%zu) failed", |
| 198 | file, lineno, addr, length); |
| 199 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 200 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 201 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 202 | } |
| 203 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 204 | int safe_open(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 205 | const char *pathname, int oflags, ...) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 206 | { |
| 207 | va_list ap; |
| 208 | int rval; |
| 209 | mode_t mode; |
| 210 | |
| 211 | va_start(ap, oflags); |
| 212 | mode = va_arg(ap, mode_t); |
| 213 | va_end(ap); |
| 214 | |
| 215 | rval = open(pathname, oflags, mode); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 216 | if (rval == -1) { |
| 217 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 218 | "%s:%d: open(%s,%d,0%o) failed", |
| 219 | file, lineno, pathname, oflags, mode); |
| 220 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 221 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 222 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 223 | } |
| 224 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 225 | int safe_pipe(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 226 | int fildes[2]) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 227 | { |
| 228 | int rval; |
| 229 | |
| 230 | rval = pipe(fildes); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 231 | if (rval == -1) { |
| 232 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 233 | "%s:%d: pipe({%d,%d}) failed", |
| 234 | file, lineno, fildes[0], fildes[1]); |
| 235 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 236 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 237 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 238 | } |
| 239 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 240 | ssize_t safe_read(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 241 | char len_strict, int fildes, void *buf, size_t nbyte) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 242 | { |
| 243 | ssize_t rval; |
| 244 | |
| 245 | rval = read(fildes, buf, nbyte); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 246 | if (rval == -1 || (len_strict && (size_t)rval != nbyte)) { |
| 247 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 248 | "%s:%d: read(%d,%p,%zu) failed, returned %zd", |
| 249 | file, lineno, fildes, buf, nbyte, rval); |
| 250 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 251 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 252 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 253 | } |
| 254 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 255 | int safe_setegid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 256 | gid_t egid) |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 257 | { |
| 258 | int rval; |
| 259 | |
| 260 | rval = setegid(egid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 261 | if (rval == -1) { |
| 262 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 263 | "%s:%d: setegid(%u) failed", |
| 264 | file, lineno, (unsigned) egid); |
| 265 | } |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 266 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 267 | return rval; |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 268 | } |
| 269 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 270 | int safe_seteuid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 271 | uid_t euid) |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 272 | { |
| 273 | int rval; |
| 274 | |
| 275 | rval = seteuid(euid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 276 | if (rval == -1) { |
| 277 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 278 | "%s:%d: seteuid(%u) failed", |
| 279 | file, lineno, (unsigned) euid); |
| 280 | } |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 281 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 282 | return rval; |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 283 | } |
| 284 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 285 | int safe_setgid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 286 | gid_t gid) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 287 | { |
| 288 | int rval; |
| 289 | |
| 290 | rval = setgid(gid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 291 | if (rval == -1) { |
| 292 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 293 | "%s:%d: setgid(%u) failed", |
| 294 | file, lineno, (unsigned) gid); |
| 295 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 296 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 297 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 298 | } |
| 299 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 300 | int safe_setuid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 301 | uid_t uid) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 302 | { |
| 303 | int rval; |
| 304 | |
| 305 | rval = setuid(uid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 306 | if (rval == -1) { |
| 307 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 308 | "%s:%d: setuid(%u) failed", |
| 309 | file, lineno, (unsigned) uid); |
| 310 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 311 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 312 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 313 | } |
| 314 | |
Zeng Linggang | 91d6742 | 2014-04-25 10:46:32 +0800 | [diff] [blame] | 315 | int safe_getresuid(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 316 | uid_t *ruid, uid_t *euid, uid_t *suid) |
| 317 | { |
| 318 | int rval; |
| 319 | |
| 320 | rval = getresuid(ruid, euid, suid); |
| 321 | if (rval == -1) { |
| 322 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 323 | "%s:%d: getresuid(%p, %p, %p) failed", |
| 324 | file, lineno, ruid, euid, suid); |
| 325 | } |
| 326 | |
| 327 | return rval; |
| 328 | } |
| 329 | |
| 330 | int safe_getresgid(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 331 | gid_t *rgid, gid_t *egid, gid_t *sgid) |
| 332 | { |
| 333 | int rval; |
| 334 | |
| 335 | rval = getresgid(rgid, egid, sgid); |
| 336 | if (rval == -1) { |
| 337 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 338 | "%s:%d: getresgid(%p, %p, %p) failed", |
| 339 | file, lineno, rgid, egid, sgid); |
| 340 | } |
| 341 | |
| 342 | return rval; |
| 343 | } |
| 344 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 345 | int safe_unlink(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 346 | const char *pathname) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 347 | { |
| 348 | int rval; |
| 349 | |
| 350 | rval = unlink(pathname); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 351 | if (rval == -1) { |
| 352 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 353 | "%s:%d: unlink(%s) failed", |
| 354 | file, lineno, pathname); |
| 355 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 356 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 357 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 358 | } |
| 359 | |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 360 | |
| 361 | int safe_link(const char *file, const int lineno, |
| 362 | void (cleanup_fn)(void), const char *oldpath, |
| 363 | const char *newpath) |
| 364 | { |
| 365 | int rval; |
| 366 | |
| 367 | rval = link(oldpath, newpath); |
| 368 | |
| 369 | if (rval == -1) { |
| 370 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 371 | "%s:%d: link(%s,%s) failed", |
| 372 | file, lineno, oldpath, newpath); |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | return rval; |
| 376 | } |
| 377 | |
| 378 | int safe_symlink(const char *file, const int lineno, |
| 379 | void (cleanup_fn)(void), const char *oldpath, |
| 380 | const char *newpath) |
| 381 | { |
| 382 | int rval; |
| 383 | |
| 384 | rval = symlink(oldpath, newpath); |
| 385 | |
| 386 | if (rval == -1) { |
| 387 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 388 | "%s:%d: symlink(%s,%s) failed", |
| 389 | file, lineno, oldpath, newpath); |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | return rval; |
| 393 | } |
| 394 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 395 | ssize_t safe_write(const char *file, const int lineno, void (cleanup_fn) (void), |
| 396 | char len_strict, int fildes, const void *buf, size_t nbyte) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 397 | { |
| 398 | ssize_t rval; |
| 399 | |
| 400 | rval = write(fildes, buf, nbyte); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 401 | if ((len_strict == 0 && rval == -1) || (size_t)rval != nbyte) { |
| 402 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 403 | "%s:%d: write(%d,%p,%zu) failed", |
| 404 | file, lineno, fildes, buf, rval); |
| 405 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 406 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 407 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 408 | } |
Cyril Hrubis | 3f75fe4 | 2011-12-28 15:33:12 +0100 | [diff] [blame] | 409 | |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 410 | long safe_strtol(const char *file, const int lineno, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 411 | void (cleanup_fn) (void), char *str, long min, long max) |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 412 | { |
| 413 | long rval; |
| 414 | char *endptr; |
| 415 | |
| 416 | errno = 0; |
| 417 | rval = strtol(str, &endptr, 10); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 418 | |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 419 | if ((errno == ERANGE && (rval == LONG_MAX || rval == LONG_MIN)) |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 420 | || (errno != 0 && rval == 0)) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 421 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 422 | "%s:%d: strtol(%s) failed", file, lineno, str); |
| 423 | } |
| 424 | |
| 425 | if (endptr == str || (*endptr != '\0' && *endptr != '\n')) { |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 426 | tst_brkm(TBROK, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 427 | "%s:%d: strtol(%s): Invalid value", file, lineno, str); |
| 428 | } |
| 429 | |
| 430 | if (rval > max || rval < min) { |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 431 | tst_brkm(TBROK, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 432 | "%s:%d: strtol(%s): %ld is out of range %ld - %ld", |
| 433 | file, lineno, str, rval, min, max); |
| 434 | } |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 435 | |
| 436 | return rval; |
| 437 | } |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 438 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 439 | unsigned long safe_strtoul(const char *file, const int lineno, |
| 440 | void (cleanup_fn) (void), char *str, |
| 441 | unsigned long min, unsigned long max) |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 442 | { |
| 443 | unsigned long rval; |
| 444 | char *endptr; |
| 445 | |
| 446 | errno = 0; |
| 447 | rval = strtoul(str, &endptr, 10); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 448 | |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 449 | if ((errno == ERANGE && rval == ULONG_MAX) |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 450 | || (errno != 0 && rval == 0)) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 451 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 452 | "%s:%d: strtoul(%s) failed", file, lineno, str); |
| 453 | } |
| 454 | |
| 455 | if (rval > max || rval < min) { |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 456 | tst_brkm(TBROK, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 457 | "%s:%d: strtoul(%s): %lu is out of range %lu - %lu", |
| 458 | file, lineno, str, rval, min, max); |
| 459 | } |
| 460 | |
| 461 | if (endptr == str || (*endptr != '\0' && *endptr != '\n')) { |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 462 | tst_brkm(TBROK, cleanup_fn, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 463 | "Invalid value: '%s' at %s:%d", str, file, lineno); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 464 | } |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 465 | |
| 466 | return rval; |
| 467 | } |
Wanlong Gao | 3b535a8 | 2012-10-18 16:35:14 +0800 | [diff] [blame] | 468 | |
| 469 | long safe_sysconf(const char *file, const int lineno, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 470 | void (cleanup_fn) (void), int name) |
Wanlong Gao | 3b535a8 | 2012-10-18 16:35:14 +0800 | [diff] [blame] | 471 | { |
| 472 | long rval; |
| 473 | errno = 0; |
| 474 | |
| 475 | rval = sysconf(name); |
| 476 | |
| 477 | if (rval == -1) { |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 478 | if (errno) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 479 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 480 | "%s:%d: sysconf(%d) failed", |
| 481 | file, lineno, name); |
| 482 | } else { |
| 483 | tst_resm(TINFO, "%s:%d: sysconf(%d): " |
| 484 | "queried option is not available" |
| 485 | " or there is no definite limit", |
| 486 | file, lineno, name); |
| 487 | } |
Wanlong Gao | 3b535a8 | 2012-10-18 16:35:14 +0800 | [diff] [blame] | 488 | } |
| 489 | |
| 490 | return rval; |
| 491 | } |
Zeng Linggang | 1030c9d | 2014-01-22 13:58:55 +0800 | [diff] [blame] | 492 | |
Cyril Hrubis | c459235 | 2014-03-04 16:41:02 +0100 | [diff] [blame] | 493 | int safe_chmod(const char *file, const int lineno, |
| 494 | void (cleanup_fn)(void), const char *path, mode_t mode) |
| 495 | { |
| 496 | int rval; |
| 497 | |
| 498 | rval = chmod(path, mode); |
| 499 | |
| 500 | if (rval == -1) { |
| 501 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 502 | "%s:%d: chmod(%s,0%o) failed", |
| 503 | file, lineno, path, mode); |
Cyril Hrubis | c459235 | 2014-03-04 16:41:02 +0100 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | return rval; |
| 507 | } |
| 508 | |
| 509 | int safe_fchmod(const char *file, const int lineno, |
| 510 | void (cleanup_fn)(void), int fd, mode_t mode) |
| 511 | { |
| 512 | int rval; |
| 513 | |
| 514 | rval = fchmod(fd, mode); |
| 515 | |
| 516 | if (rval == -1) { |
| 517 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 518 | "%s:%d: fchmod(%d,0%o) failed", |
| 519 | file, lineno, fd, mode); |
Cyril Hrubis | c459235 | 2014-03-04 16:41:02 +0100 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | return rval; |
| 523 | } |
Cyril Hrubis | f3e448f | 2014-04-24 14:24:49 +0200 | [diff] [blame] | 524 | |
Xing Gu | 92a1459 | 2014-06-13 10:53:17 +0800 | [diff] [blame] | 525 | int safe_chown(const char *file, const int lineno, void (cleanup_fn)(void), |
| 526 | const char *path, uid_t owner, gid_t group) |
| 527 | { |
| 528 | int rval; |
| 529 | |
| 530 | rval = chown(path, owner, group); |
| 531 | |
| 532 | if (rval == -1) { |
| 533 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 534 | "%s:%d: chown(%s,%d,%d) failed", |
| 535 | file, lineno, path, owner, group); |
| 536 | } |
| 537 | |
| 538 | return rval; |
| 539 | } |
Cyril Hrubis | 34ff227 | 2014-06-04 15:58:50 +0200 | [diff] [blame] | 540 | |
| 541 | int safe_fchown(const char *file, const int lineno, void (cleanup_fn)(void), |
| 542 | int fd, uid_t owner, gid_t group) |
| 543 | { |
| 544 | int rval; |
| 545 | |
| 546 | rval = fchown(fd, owner, group); |
| 547 | |
| 548 | if (rval == -1) { |
| 549 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 550 | "%s:%d: fchown(%d,%d,%d) failed", |
| 551 | file, lineno, fd, owner, group); |
| 552 | } |
| 553 | |
| 554 | return rval; |
| 555 | } |
| 556 | |
Cyril Hrubis | f3e448f | 2014-04-24 14:24:49 +0200 | [diff] [blame] | 557 | pid_t safe_wait(const char *file, const int lineno, void (cleanup_fn)(void), |
| 558 | int *status) |
| 559 | { |
| 560 | pid_t rval; |
| 561 | |
| 562 | rval = wait(status); |
| 563 | if (rval == -1) { |
| 564 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 565 | "%s:%d: wait(%p) failed", |
| 566 | file, lineno, status); |
| 567 | } |
| 568 | |
| 569 | return rval; |
| 570 | } |
| 571 | |
| 572 | pid_t safe_waitpid(const char *file, const int lineno, void (cleanup_fn)(void), |
| 573 | pid_t pid, int *status, int opts) |
| 574 | { |
| 575 | pid_t rval; |
| 576 | |
| 577 | rval = waitpid(pid, status, opts); |
| 578 | if (rval == -1) { |
| 579 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 580 | "%s:%d: waitpid(%d,%p,%d) failed", |
| 581 | file, lineno, pid, status, opts); |
| 582 | } |
| 583 | |
| 584 | return rval; |
| 585 | } |
Zeng Linggang | 5ff25ef | 2014-05-06 15:49:42 +0800 | [diff] [blame] | 586 | |
| 587 | void *safe_memalign(const char *file, const int lineno, |
| 588 | void (*cleanup_fn) (void), size_t alignment, size_t size) |
| 589 | { |
| 590 | void *rval; |
| 591 | |
| 592 | rval = memalign(alignment, size); |
| 593 | if (rval == NULL) |
| 594 | tst_brkm(TBROK | TERRNO, cleanup_fn, "memalign failed at %s:%d", |
| 595 | file, lineno); |
| 596 | |
| 597 | return rval; |
| 598 | } |
Xiaoguang Wang | 6deba58 | 2014-05-16 12:52:53 +0800 | [diff] [blame] | 599 | |
| 600 | int safe_kill(const char *file, const int lineno, void (cleanup_fn)(void), |
| 601 | pid_t pid, int sig) |
| 602 | { |
| 603 | int rval; |
| 604 | |
| 605 | rval = kill(pid, sig); |
| 606 | |
| 607 | if (rval == -1) { |
| 608 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 609 | "%s:%d: kill(%d,%s) failed", |
| 610 | file, lineno, pid, tst_strsig(sig)); |
| 611 | } |
| 612 | |
| 613 | return rval; |
| 614 | } |
Cyril Hrubis | 3a150e7 | 2014-06-11 11:55:23 +0200 | [diff] [blame] | 615 | |
| 616 | int safe_mkfifo(const char *file, const int lineno, |
| 617 | void (*cleanup_fn)(void), const char *pathname, mode_t mode) |
| 618 | { |
| 619 | int rval; |
| 620 | |
| 621 | rval = mkfifo(pathname, mode); |
| 622 | |
| 623 | if (rval == -1) { |
| 624 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 625 | "%s:%d: mkfifo(%s, 0%o) failed", |
| 626 | file, lineno, pathname, mode); |
| 627 | } |
| 628 | |
| 629 | return rval; |
| 630 | } |
Xiaoguang Wang | f48552a | 2014-07-27 17:00:53 +0800 | [diff] [blame] | 631 | |
| 632 | int safe_rename(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 633 | const char *oldpath, const char *newpath) |
| 634 | { |
| 635 | int rval; |
| 636 | |
| 637 | rval = rename(oldpath, newpath); |
| 638 | |
| 639 | if (rval == -1) { |
| 640 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 641 | "%s:%d: rename(%s, %s) failed", |
| 642 | file, lineno, oldpath, newpath); |
| 643 | } |
| 644 | |
| 645 | return rval; |
| 646 | } |
Matus Marhefka | 8e9db8d | 2014-08-29 14:22:11 +0200 | [diff] [blame^] | 647 | |
| 648 | int safe_mount(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 649 | const char *source, const char *target, |
| 650 | const char *filesystemtype, unsigned long mountflags, |
| 651 | const void *data) |
| 652 | { |
| 653 | int rval; |
| 654 | |
| 655 | rval = mount(source, target, filesystemtype, mountflags, data); |
| 656 | |
| 657 | if (rval == -1) { |
| 658 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 659 | "%s:%d: mount(%s, %s, %s, %lu, %p) failed", |
| 660 | file, lineno, source, target, filesystemtype, |
| 661 | mountflags, data); |
| 662 | } |
| 663 | |
| 664 | return rval; |
| 665 | } |
| 666 | |
| 667 | int safe_umount(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 668 | const char *target) |
| 669 | { |
| 670 | int rval; |
| 671 | |
| 672 | rval = umount(target); |
| 673 | |
| 674 | if (rval == -1) { |
| 675 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 676 | "%s:%d: umount(%s) failed", |
| 677 | file, lineno, target); |
| 678 | } |
| 679 | |
| 680 | return rval; |
| 681 | } |