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> |
Dejan Jovicevic | 1055281 | 2016-11-15 13:19:33 +0100 | [diff] [blame] | 8 | #include <sys/xattr.h> |
Vinson Lee | 9af0bd7 | 2012-02-09 15:05:50 -0800 | [diff] [blame] | 9 | #include <errno.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 10 | #include <fcntl.h> |
| 11 | #include <libgen.h> |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 12 | #include <limits.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 13 | #include <pwd.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 14 | #include <stdarg.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 15 | #include <stdlib.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 16 | #include <unistd.h> |
Zeng Linggang | 5ff25ef | 2014-05-06 15:49:42 +0800 | [diff] [blame] | 17 | #include <malloc.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 18 | #include "test.h" |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 19 | #include "safe_macros.h" |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 20 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 21 | char *safe_basename(const char *file, const int lineno, |
| 22 | void (*cleanup_fn) (void), char *path) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 23 | { |
| 24 | char *rval; |
| 25 | |
| 26 | rval = basename(path); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 27 | if (rval == NULL) { |
| 28 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 29 | "%s:%d: basename(%s) failed", |
| 30 | file, lineno, path); |
| 31 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 32 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 33 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 34 | } |
| 35 | |
| 36 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 37 | safe_chdir(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 38 | const char *path) |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 39 | { |
| 40 | int rval; |
| 41 | |
| 42 | rval = chdir(path); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 43 | if (rval == -1) { |
| 44 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 45 | "%s:%d: chdir(%s) failed", |
| 46 | file, lineno, path); |
| 47 | } |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 48 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 49 | return rval; |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 50 | } |
| 51 | |
| 52 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 53 | safe_close(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 54 | int fildes) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 55 | { |
| 56 | int rval; |
| 57 | |
| 58 | rval = close(fildes); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 59 | if (rval == -1) { |
| 60 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 61 | "%s:%d: close(%d) failed", |
| 62 | file, lineno, fildes); |
| 63 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 64 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 65 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 69 | safe_creat(const char *file, const int lineno, void (*cleanup_fn) (void), |
Alexey Kodanev | 5071db5 | 2015-04-15 11:03:29 +0300 | [diff] [blame] | 70 | const char *pathname, mode_t mode) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 71 | { |
| 72 | int rval; |
| 73 | |
| 74 | rval = creat(pathname, mode); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 75 | if (rval == -1) { |
| 76 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 77 | "%s:%d: creat(%s,0%o) failed", |
| 78 | file, lineno, pathname, mode); |
| 79 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 80 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 81 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 82 | } |
| 83 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 84 | char *safe_dirname(const char *file, const int lineno, |
| 85 | void (*cleanup_fn) (void), char *path) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 86 | { |
| 87 | char *rval; |
| 88 | |
| 89 | rval = dirname(path); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 90 | if (rval == NULL) { |
| 91 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 92 | "%s:%d: dirname(%s) failed", |
| 93 | file, lineno, path); |
| 94 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 95 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 96 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 97 | } |
| 98 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 99 | char *safe_getcwd(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 100 | char *buf, size_t size) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 101 | { |
| 102 | char *rval; |
| 103 | |
| 104 | rval = getcwd(buf, size); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 105 | if (rval == NULL) { |
| 106 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 107 | "%s:%d: getcwd(%p,%zu) failed", |
| 108 | file, lineno, buf, size); |
| 109 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 110 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 111 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 112 | } |
| 113 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 114 | struct passwd *safe_getpwnam(const char *file, const int lineno, |
| 115 | void (*cleanup_fn) (void), const char *name) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 116 | { |
| 117 | struct passwd *rval; |
| 118 | |
| 119 | rval = getpwnam(name); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 120 | if (rval == NULL) { |
| 121 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 122 | "%s:%d: getpwnam(%s) failed", |
| 123 | file, lineno, name); |
| 124 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 125 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 126 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 127 | } |
| 128 | |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 129 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 130 | safe_getrusage(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 131 | int who, struct rusage *usage) |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 132 | { |
| 133 | int rval; |
| 134 | |
| 135 | rval = getrusage(who, usage); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 136 | if (rval == -1) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 137 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 138 | "%s:%d: getrusage(%d,%p) failed", |
| 139 | file, lineno, who, usage); |
| 140 | } |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 141 | |
| 142 | return rval; |
| 143 | } |
| 144 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 145 | void *safe_malloc(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 146 | size_t size) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 147 | { |
| 148 | void *rval; |
| 149 | |
| 150 | rval = malloc(size); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 151 | if (rval == NULL) { |
| 152 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 153 | "%s:%d: malloc(%zu) failed", |
| 154 | file, lineno, size); |
| 155 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 156 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 157 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 158 | } |
| 159 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 160 | int safe_mkdir(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 161 | const char *pathname, mode_t mode) |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 162 | { |
| 163 | int rval; |
| 164 | |
| 165 | rval = mkdir(pathname, mode); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 166 | if (rval == -1) { |
| 167 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 168 | "%s:%d: mkdir(%s,0%o) failed", |
| 169 | file, lineno, pathname, mode); |
| 170 | } |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 171 | |
| 172 | return (rval); |
| 173 | } |
| 174 | |
Cyril Hrubis | 97499c2 | 2014-05-07 14:54:22 +0200 | [diff] [blame] | 175 | int safe_rmdir(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 176 | const char *pathname) |
| 177 | { |
| 178 | int rval; |
| 179 | |
| 180 | rval = rmdir(pathname); |
| 181 | if (rval == -1) { |
| 182 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 183 | "%s:%d: rmdir(%s) failed", |
| 184 | file, lineno, pathname); |
| 185 | } |
| 186 | |
| 187 | return (rval); |
| 188 | } |
| 189 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 190 | int safe_munmap(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 191 | void *addr, size_t length) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 192 | { |
| 193 | int rval; |
| 194 | |
| 195 | rval = munmap(addr, length); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 196 | if (rval == -1) { |
| 197 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 198 | "%s:%d: munmap(%p,%zu) failed", |
| 199 | file, lineno, addr, length); |
| 200 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 201 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 202 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 203 | } |
| 204 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 205 | int safe_open(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 206 | const char *pathname, int oflags, ...) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 207 | { |
| 208 | va_list ap; |
| 209 | int rval; |
| 210 | mode_t mode; |
| 211 | |
| 212 | va_start(ap, oflags); |
Steven Jackson | 1750b47 | 2016-12-15 22:03:53 +0000 | [diff] [blame] | 213 | |
| 214 | /* Android's NDK's mode_t is smaller than an int, which results in |
| 215 | * SIGILL here when passing the mode_t type. |
| 216 | */ |
| 217 | mode = va_arg(ap, int); |
| 218 | |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 219 | va_end(ap); |
| 220 | |
| 221 | rval = open(pathname, oflags, mode); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 222 | if (rval == -1) { |
| 223 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 224 | "%s:%d: open(%s,%d,0%o) failed", |
| 225 | file, lineno, pathname, oflags, mode); |
| 226 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 227 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 228 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 229 | } |
| 230 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 231 | int safe_pipe(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 232 | int fildes[2]) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 233 | { |
| 234 | int rval; |
| 235 | |
| 236 | rval = pipe(fildes); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 237 | if (rval == -1) { |
| 238 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 239 | "%s:%d: pipe({%d,%d}) failed", |
| 240 | file, lineno, fildes[0], fildes[1]); |
| 241 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 242 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 243 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 244 | } |
| 245 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 246 | ssize_t safe_read(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 247 | char len_strict, int fildes, void *buf, size_t nbyte) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 248 | { |
| 249 | ssize_t rval; |
| 250 | |
| 251 | rval = read(fildes, buf, nbyte); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 252 | if (rval == -1 || (len_strict && (size_t)rval != nbyte)) { |
| 253 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 254 | "%s:%d: read(%d,%p,%zu) failed, returned %zd", |
| 255 | file, lineno, fildes, buf, nbyte, rval); |
| 256 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 257 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 258 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 259 | } |
| 260 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 261 | int safe_setegid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 262 | gid_t egid) |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 263 | { |
| 264 | int rval; |
| 265 | |
| 266 | rval = setegid(egid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 267 | if (rval == -1) { |
| 268 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 269 | "%s:%d: setegid(%u) failed", |
| 270 | file, lineno, (unsigned) egid); |
| 271 | } |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 272 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 273 | return rval; |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 274 | } |
| 275 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 276 | int safe_seteuid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 277 | uid_t euid) |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 278 | { |
| 279 | int rval; |
| 280 | |
| 281 | rval = seteuid(euid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 282 | if (rval == -1) { |
| 283 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 284 | "%s:%d: seteuid(%u) failed", |
| 285 | file, lineno, (unsigned) euid); |
| 286 | } |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 287 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 288 | return rval; |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 289 | } |
| 290 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 291 | int safe_setgid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 292 | gid_t gid) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 293 | { |
| 294 | int rval; |
| 295 | |
| 296 | rval = setgid(gid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 297 | if (rval == -1) { |
| 298 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 299 | "%s:%d: setgid(%u) failed", |
| 300 | file, lineno, (unsigned) gid); |
| 301 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 302 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 303 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 304 | } |
| 305 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 306 | int safe_setuid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 307 | uid_t uid) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 308 | { |
| 309 | int rval; |
| 310 | |
| 311 | rval = setuid(uid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 312 | if (rval == -1) { |
| 313 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 314 | "%s:%d: setuid(%u) failed", |
| 315 | file, lineno, (unsigned) uid); |
| 316 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 317 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 318 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 319 | } |
| 320 | |
Zeng Linggang | 91d6742 | 2014-04-25 10:46:32 +0800 | [diff] [blame] | 321 | int safe_getresuid(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 322 | uid_t *ruid, uid_t *euid, uid_t *suid) |
| 323 | { |
| 324 | int rval; |
| 325 | |
| 326 | rval = getresuid(ruid, euid, suid); |
| 327 | if (rval == -1) { |
| 328 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 329 | "%s:%d: getresuid(%p, %p, %p) failed", |
| 330 | file, lineno, ruid, euid, suid); |
| 331 | } |
| 332 | |
| 333 | return rval; |
| 334 | } |
| 335 | |
| 336 | int safe_getresgid(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 337 | gid_t *rgid, gid_t *egid, gid_t *sgid) |
| 338 | { |
| 339 | int rval; |
| 340 | |
| 341 | rval = getresgid(rgid, egid, sgid); |
| 342 | if (rval == -1) { |
| 343 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 344 | "%s:%d: getresgid(%p, %p, %p) failed", |
| 345 | file, lineno, rgid, egid, sgid); |
| 346 | } |
| 347 | |
| 348 | return rval; |
| 349 | } |
| 350 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 351 | int safe_unlink(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 352 | const char *pathname) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 353 | { |
| 354 | int rval; |
| 355 | |
| 356 | rval = unlink(pathname); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 357 | if (rval == -1) { |
| 358 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 359 | "%s:%d: unlink(%s) failed", |
| 360 | file, lineno, pathname); |
| 361 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 362 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 363 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 364 | } |
| 365 | |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 366 | |
| 367 | int safe_link(const char *file, const int lineno, |
| 368 | void (cleanup_fn)(void), const char *oldpath, |
| 369 | const char *newpath) |
| 370 | { |
| 371 | int rval; |
| 372 | |
| 373 | rval = link(oldpath, newpath); |
| 374 | |
| 375 | if (rval == -1) { |
| 376 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 377 | "%s:%d: link(%s,%s) failed", |
| 378 | file, lineno, oldpath, newpath); |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 379 | } |
| 380 | |
| 381 | return rval; |
| 382 | } |
| 383 | |
Alexey Kodanev | f3f4d33 | 2016-01-28 13:10:58 +0300 | [diff] [blame] | 384 | int safe_linkat(const char *file, const int lineno, |
| 385 | void (cleanup_fn)(void), int olddirfd, const char *oldpath, |
| 386 | int newdirfd, const char *newpath, int flags) |
| 387 | { |
| 388 | int rval; |
| 389 | |
| 390 | rval = linkat(olddirfd, oldpath, newdirfd, newpath, flags); |
| 391 | |
| 392 | if (rval == -1) { |
| 393 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 394 | "%s:%d: linkat(%d,%s,%d,%s,%d) failed", |
| 395 | file, lineno, olddirfd, oldpath, newdirfd, |
| 396 | newpath, flags); |
| 397 | } |
| 398 | |
| 399 | return rval; |
| 400 | } |
| 401 | |
Alexey Kodanev | 8bbb1d5 | 2016-01-28 14:10:54 +0300 | [diff] [blame] | 402 | ssize_t safe_readlink(const char *file, const int lineno, |
| 403 | void (cleanup_fn)(void), const char *path, |
| 404 | char *buf, size_t bufsize) |
| 405 | { |
| 406 | ssize_t rval; |
| 407 | |
| 408 | rval = readlink(path, buf, bufsize); |
| 409 | |
| 410 | if (rval == -1) { |
| 411 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 412 | "%s:%d: readlink(%s,%p,%zu) failed", |
| 413 | file, lineno, path, buf, bufsize); |
| 414 | } |
| 415 | |
| 416 | return rval; |
| 417 | } |
| 418 | |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 419 | int safe_symlink(const char *file, const int lineno, |
| 420 | void (cleanup_fn)(void), const char *oldpath, |
| 421 | const char *newpath) |
| 422 | { |
| 423 | int rval; |
| 424 | |
| 425 | rval = symlink(oldpath, newpath); |
| 426 | |
| 427 | if (rval == -1) { |
| 428 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 429 | "%s:%d: symlink(%s,%s) failed", |
| 430 | file, lineno, oldpath, newpath); |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | return rval; |
| 434 | } |
| 435 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 436 | ssize_t safe_write(const char *file, const int lineno, void (cleanup_fn) (void), |
| 437 | char len_strict, int fildes, const void *buf, size_t nbyte) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 438 | { |
| 439 | ssize_t rval; |
| 440 | |
| 441 | rval = write(fildes, buf, nbyte); |
Guangwen Feng | f3f10e0 | 2015-07-14 14:47:03 +0800 | [diff] [blame] | 442 | if (rval == -1 || (len_strict && (size_t)rval != nbyte)) { |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 443 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 444 | "%s:%d: write(%d,%p,%zu) failed", |
| 445 | file, lineno, fildes, buf, rval); |
| 446 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 447 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 448 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 449 | } |
Cyril Hrubis | 3f75fe4 | 2011-12-28 15:33:12 +0100 | [diff] [blame] | 450 | |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 451 | long safe_strtol(const char *file, const int lineno, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 452 | void (cleanup_fn) (void), char *str, long min, long max) |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 453 | { |
| 454 | long rval; |
| 455 | char *endptr; |
| 456 | |
| 457 | errno = 0; |
| 458 | rval = strtol(str, &endptr, 10); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 459 | |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 460 | if ((errno == ERANGE && (rval == LONG_MAX || rval == LONG_MIN)) |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 461 | || (errno != 0 && rval == 0)) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 462 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 463 | "%s:%d: strtol(%s) failed", file, lineno, str); |
Cyril Hrubis | d101cab | 2017-02-14 11:48:46 +0100 | [diff] [blame] | 464 | return rval; |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 465 | } |
| 466 | |
| 467 | if (endptr == str || (*endptr != '\0' && *endptr != '\n')) { |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 468 | tst_brkm(TBROK, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 469 | "%s:%d: strtol(%s): Invalid value", file, lineno, str); |
Cyril Hrubis | d101cab | 2017-02-14 11:48:46 +0100 | [diff] [blame] | 470 | return 0; |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 471 | } |
| 472 | |
| 473 | if (rval > max || rval < min) { |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 474 | tst_brkm(TBROK, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 475 | "%s:%d: strtol(%s): %ld is out of range %ld - %ld", |
| 476 | file, lineno, str, rval, min, max); |
Cyril Hrubis | d101cab | 2017-02-14 11:48:46 +0100 | [diff] [blame] | 477 | return 0; |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 478 | } |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 479 | |
| 480 | return rval; |
| 481 | } |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 482 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 483 | unsigned long safe_strtoul(const char *file, const int lineno, |
| 484 | void (cleanup_fn) (void), char *str, |
| 485 | unsigned long min, unsigned long max) |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 486 | { |
| 487 | unsigned long rval; |
| 488 | char *endptr; |
| 489 | |
| 490 | errno = 0; |
| 491 | rval = strtoul(str, &endptr, 10); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 492 | |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 493 | if ((errno == ERANGE && rval == ULONG_MAX) |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 494 | || (errno != 0 && rval == 0)) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 495 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 496 | "%s:%d: strtoul(%s) failed", file, lineno, str); |
Cyril Hrubis | d101cab | 2017-02-14 11:48:46 +0100 | [diff] [blame] | 497 | return rval; |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 498 | } |
| 499 | |
| 500 | if (rval > max || rval < min) { |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 501 | tst_brkm(TBROK, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 502 | "%s:%d: strtoul(%s): %lu is out of range %lu - %lu", |
| 503 | file, lineno, str, rval, min, max); |
Cyril Hrubis | d101cab | 2017-02-14 11:48:46 +0100 | [diff] [blame] | 504 | return 0; |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 505 | } |
| 506 | |
| 507 | if (endptr == str || (*endptr != '\0' && *endptr != '\n')) { |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 508 | tst_brkm(TBROK, cleanup_fn, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 509 | "Invalid value: '%s' at %s:%d", str, file, lineno); |
Cyril Hrubis | d101cab | 2017-02-14 11:48:46 +0100 | [diff] [blame] | 510 | return 0; |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 511 | } |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 512 | |
| 513 | return rval; |
| 514 | } |
Wanlong Gao | 3b535a8 | 2012-10-18 16:35:14 +0800 | [diff] [blame] | 515 | |
| 516 | long safe_sysconf(const char *file, const int lineno, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 517 | void (cleanup_fn) (void), int name) |
Wanlong Gao | 3b535a8 | 2012-10-18 16:35:14 +0800 | [diff] [blame] | 518 | { |
| 519 | long rval; |
| 520 | errno = 0; |
| 521 | |
| 522 | rval = sysconf(name); |
| 523 | |
| 524 | if (rval == -1) { |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 525 | if (errno) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 526 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 527 | "%s:%d: sysconf(%d) failed", |
| 528 | file, lineno, name); |
| 529 | } else { |
| 530 | tst_resm(TINFO, "%s:%d: sysconf(%d): " |
| 531 | "queried option is not available" |
| 532 | " or there is no definite limit", |
| 533 | file, lineno, name); |
| 534 | } |
Wanlong Gao | 3b535a8 | 2012-10-18 16:35:14 +0800 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | return rval; |
| 538 | } |
Zeng Linggang | 1030c9d | 2014-01-22 13:58:55 +0800 | [diff] [blame] | 539 | |
Cyril Hrubis | c459235 | 2014-03-04 16:41:02 +0100 | [diff] [blame] | 540 | int safe_chmod(const char *file, const int lineno, |
| 541 | void (cleanup_fn)(void), const char *path, mode_t mode) |
| 542 | { |
| 543 | int rval; |
| 544 | |
| 545 | rval = chmod(path, mode); |
| 546 | |
| 547 | if (rval == -1) { |
| 548 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 549 | "%s:%d: chmod(%s,0%o) failed", |
| 550 | file, lineno, path, mode); |
Cyril Hrubis | c459235 | 2014-03-04 16:41:02 +0100 | [diff] [blame] | 551 | } |
| 552 | |
| 553 | return rval; |
| 554 | } |
| 555 | |
| 556 | int safe_fchmod(const char *file, const int lineno, |
| 557 | void (cleanup_fn)(void), int fd, mode_t mode) |
| 558 | { |
| 559 | int rval; |
| 560 | |
| 561 | rval = fchmod(fd, mode); |
| 562 | |
| 563 | if (rval == -1) { |
| 564 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 565 | "%s:%d: fchmod(%d,0%o) failed", |
| 566 | file, lineno, fd, mode); |
Cyril Hrubis | c459235 | 2014-03-04 16:41:02 +0100 | [diff] [blame] | 567 | } |
| 568 | |
| 569 | return rval; |
| 570 | } |
Cyril Hrubis | f3e448f | 2014-04-24 14:24:49 +0200 | [diff] [blame] | 571 | |
Xing Gu | 92a1459 | 2014-06-13 10:53:17 +0800 | [diff] [blame] | 572 | int safe_chown(const char *file, const int lineno, void (cleanup_fn)(void), |
| 573 | const char *path, uid_t owner, gid_t group) |
| 574 | { |
| 575 | int rval; |
| 576 | |
| 577 | rval = chown(path, owner, group); |
| 578 | |
| 579 | if (rval == -1) { |
| 580 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 581 | "%s:%d: chown(%s,%d,%d) failed", |
| 582 | file, lineno, path, owner, group); |
| 583 | } |
| 584 | |
| 585 | return rval; |
| 586 | } |
Cyril Hrubis | 34ff227 | 2014-06-04 15:58:50 +0200 | [diff] [blame] | 587 | |
| 588 | int safe_fchown(const char *file, const int lineno, void (cleanup_fn)(void), |
| 589 | int fd, uid_t owner, gid_t group) |
| 590 | { |
| 591 | int rval; |
| 592 | |
| 593 | rval = fchown(fd, owner, group); |
| 594 | |
| 595 | if (rval == -1) { |
| 596 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 597 | "%s:%d: fchown(%d,%d,%d) failed", |
| 598 | file, lineno, fd, owner, group); |
| 599 | } |
| 600 | |
| 601 | return rval; |
| 602 | } |
| 603 | |
Cyril Hrubis | f3e448f | 2014-04-24 14:24:49 +0200 | [diff] [blame] | 604 | pid_t safe_wait(const char *file, const int lineno, void (cleanup_fn)(void), |
| 605 | int *status) |
| 606 | { |
| 607 | pid_t rval; |
| 608 | |
| 609 | rval = wait(status); |
| 610 | if (rval == -1) { |
| 611 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 612 | "%s:%d: wait(%p) failed", |
| 613 | file, lineno, status); |
| 614 | } |
| 615 | |
| 616 | return rval; |
| 617 | } |
| 618 | |
| 619 | pid_t safe_waitpid(const char *file, const int lineno, void (cleanup_fn)(void), |
| 620 | pid_t pid, int *status, int opts) |
| 621 | { |
| 622 | pid_t rval; |
| 623 | |
| 624 | rval = waitpid(pid, status, opts); |
| 625 | if (rval == -1) { |
| 626 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 627 | "%s:%d: waitpid(%d,%p,%d) failed", |
| 628 | file, lineno, pid, status, opts); |
| 629 | } |
| 630 | |
| 631 | return rval; |
| 632 | } |
Zeng Linggang | 5ff25ef | 2014-05-06 15:49:42 +0800 | [diff] [blame] | 633 | |
| 634 | void *safe_memalign(const char *file, const int lineno, |
| 635 | void (*cleanup_fn) (void), size_t alignment, size_t size) |
| 636 | { |
| 637 | void *rval; |
| 638 | |
| 639 | rval = memalign(alignment, size); |
| 640 | if (rval == NULL) |
| 641 | tst_brkm(TBROK | TERRNO, cleanup_fn, "memalign failed at %s:%d", |
| 642 | file, lineno); |
| 643 | |
| 644 | return rval; |
| 645 | } |
Xiaoguang Wang | 6deba58 | 2014-05-16 12:52:53 +0800 | [diff] [blame] | 646 | |
| 647 | int safe_kill(const char *file, const int lineno, void (cleanup_fn)(void), |
| 648 | pid_t pid, int sig) |
| 649 | { |
| 650 | int rval; |
| 651 | |
| 652 | rval = kill(pid, sig); |
| 653 | |
| 654 | if (rval == -1) { |
| 655 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 656 | "%s:%d: kill(%d,%s) failed", |
| 657 | file, lineno, pid, tst_strsig(sig)); |
| 658 | } |
| 659 | |
| 660 | return rval; |
| 661 | } |
Cyril Hrubis | 3a150e7 | 2014-06-11 11:55:23 +0200 | [diff] [blame] | 662 | |
| 663 | int safe_mkfifo(const char *file, const int lineno, |
| 664 | void (*cleanup_fn)(void), const char *pathname, mode_t mode) |
| 665 | { |
| 666 | int rval; |
| 667 | |
| 668 | rval = mkfifo(pathname, mode); |
| 669 | |
| 670 | if (rval == -1) { |
| 671 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 672 | "%s:%d: mkfifo(%s, 0%o) failed", |
| 673 | file, lineno, pathname, mode); |
| 674 | } |
| 675 | |
| 676 | return rval; |
| 677 | } |
Xiaoguang Wang | f48552a | 2014-07-27 17:00:53 +0800 | [diff] [blame] | 678 | |
| 679 | int safe_rename(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 680 | const char *oldpath, const char *newpath) |
| 681 | { |
| 682 | int rval; |
| 683 | |
| 684 | rval = rename(oldpath, newpath); |
| 685 | |
| 686 | if (rval == -1) { |
| 687 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 688 | "%s:%d: rename(%s, %s) failed", |
| 689 | file, lineno, oldpath, newpath); |
| 690 | } |
| 691 | |
| 692 | return rval; |
| 693 | } |
Matus Marhefka | 8e9db8d | 2014-08-29 14:22:11 +0200 | [diff] [blame] | 694 | |
| 695 | int safe_mount(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 696 | const char *source, const char *target, |
| 697 | const char *filesystemtype, unsigned long mountflags, |
| 698 | const void *data) |
| 699 | { |
| 700 | int rval; |
| 701 | |
| 702 | rval = mount(source, target, filesystemtype, mountflags, data); |
| 703 | |
| 704 | if (rval == -1) { |
| 705 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 706 | "%s:%d: mount(%s, %s, %s, %lu, %p) failed", |
| 707 | file, lineno, source, target, filesystemtype, |
| 708 | mountflags, data); |
| 709 | } |
| 710 | |
| 711 | return rval; |
| 712 | } |
| 713 | |
| 714 | int safe_umount(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 715 | const char *target) |
| 716 | { |
| 717 | int rval; |
| 718 | |
| 719 | rval = umount(target); |
| 720 | |
| 721 | if (rval == -1) { |
| 722 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 723 | "%s:%d: umount(%s) failed", |
| 724 | file, lineno, target); |
| 725 | } |
| 726 | |
| 727 | return rval; |
| 728 | } |
Cyril Hrubis | 9138a01 | 2015-02-10 15:44:45 +0100 | [diff] [blame] | 729 | |
| 730 | DIR* safe_opendir(const char *file, const int lineno, void (cleanup_fn)(void), |
| 731 | const char *name) |
| 732 | { |
| 733 | DIR *rval; |
| 734 | |
| 735 | rval = opendir(name); |
| 736 | |
| 737 | if (!rval) { |
| 738 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 739 | "%s:%d: opendir(%s) failed", file, lineno, name); |
| 740 | } |
| 741 | |
| 742 | return rval; |
| 743 | } |
| 744 | |
| 745 | int safe_closedir(const char *file, const int lineno, void (cleanup_fn)(void), |
| 746 | DIR *dirp) |
| 747 | { |
| 748 | int rval; |
| 749 | |
| 750 | rval = closedir(dirp); |
| 751 | |
| 752 | if (rval) { |
| 753 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 754 | "%s:%d: closedir(%p) failed", file, lineno, dirp); |
| 755 | } |
| 756 | |
| 757 | return rval; |
| 758 | } |
| 759 | |
| 760 | struct dirent *safe_readdir(const char *file, const int lineno, void (cleanup_fn)(void), |
| 761 | DIR *dirp) |
| 762 | { |
| 763 | struct dirent *rval; |
| 764 | int err = errno; |
| 765 | |
| 766 | errno = 0; |
| 767 | rval = readdir(dirp); |
| 768 | |
| 769 | if (!rval && errno) { |
| 770 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 771 | "%s:%d: readdir(%p) failed", file, lineno, dirp); |
| 772 | } |
| 773 | |
| 774 | errno = err; |
| 775 | return rval; |
| 776 | } |
Cyril Hrubis | af5a4b1 | 2016-11-07 13:05:00 +0100 | [diff] [blame] | 777 | |
| 778 | int safe_getpriority(const char *file, const int lineno, int which, id_t who) |
| 779 | { |
| 780 | int rval, err = errno; |
| 781 | |
| 782 | errno = 0; |
| 783 | rval = getpriority(which, who); |
| 784 | if (errno) { |
| 785 | tst_brkm(TBROK | TERRNO, NULL, |
| 786 | "%s:%d getpriority(%i, %i) failed", |
| 787 | file, lineno, which, who); |
| 788 | } |
| 789 | |
| 790 | errno = err; |
| 791 | return rval; |
| 792 | } |
Dejan Jovicevic | 1055281 | 2016-11-15 13:19:33 +0100 | [diff] [blame] | 793 | |
| 794 | int safe_setxattr(const char *file, const int lineno, const char *path, |
| 795 | const char *name, const void *value, size_t size, int flags) |
| 796 | { |
| 797 | int rval; |
| 798 | |
| 799 | rval = setxattr(path, name, value, size, flags); |
| 800 | |
| 801 | if (rval) { |
| 802 | if (errno == ENOTSUP) { |
| 803 | tst_brkm(TCONF, NULL, |
| 804 | "%s:%d: no xattr support in fs or mounted " |
| 805 | "without user_xattr option", file, lineno); |
Cyril Hrubis | d101cab | 2017-02-14 11:48:46 +0100 | [diff] [blame] | 806 | return rval; |
Dejan Jovicevic | 1055281 | 2016-11-15 13:19:33 +0100 | [diff] [blame] | 807 | } |
| 808 | |
| 809 | tst_brkm(TBROK | TERRNO, NULL, "%s:%d: setxattr() failed", |
| 810 | file, lineno); |
| 811 | } |
| 812 | |
| 813 | return rval; |
| 814 | } |
| 815 | |
| 816 | int safe_lsetxattr(const char *file, const int lineno, const char *path, |
| 817 | const char *name, const void *value, size_t size, int flags) |
| 818 | { |
| 819 | int rval; |
| 820 | |
| 821 | rval = lsetxattr(path, name, value, size, flags); |
| 822 | |
| 823 | if (rval) { |
| 824 | if (errno == ENOTSUP) { |
| 825 | tst_brkm(TCONF, NULL, |
| 826 | "%s:%d: no xattr support in fs or mounted " |
| 827 | "without user_xattr option", file, lineno); |
Cyril Hrubis | d101cab | 2017-02-14 11:48:46 +0100 | [diff] [blame] | 828 | return rval; |
Dejan Jovicevic | 1055281 | 2016-11-15 13:19:33 +0100 | [diff] [blame] | 829 | } |
| 830 | |
| 831 | tst_brkm(TBROK | TERRNO, NULL, "%s:%d: lsetxattr() failed", |
| 832 | file, lineno); |
| 833 | } |
| 834 | |
| 835 | return rval; |
| 836 | } |
| 837 | |
| 838 | int safe_fsetxattr(const char *file, const int lineno, int fd, const char *name, |
| 839 | const void *value, size_t size, int flags) |
| 840 | { |
| 841 | int rval; |
| 842 | |
| 843 | rval = fsetxattr(fd, name, value, size, flags); |
| 844 | |
| 845 | if (rval) { |
| 846 | if (errno == ENOTSUP) { |
| 847 | tst_brkm(TCONF, NULL, |
| 848 | "%s:%d: no xattr support in fs or mounted " |
| 849 | "without user_xattr option", file, lineno); |
Cyril Hrubis | d101cab | 2017-02-14 11:48:46 +0100 | [diff] [blame] | 850 | return rval; |
Dejan Jovicevic | 1055281 | 2016-11-15 13:19:33 +0100 | [diff] [blame] | 851 | } |
| 852 | |
| 853 | tst_brkm(TBROK | TERRNO, NULL, "%s:%d: fsetxattr() failed", |
| 854 | file, lineno); |
| 855 | } |
| 856 | |
| 857 | return rval; |
| 858 | } |