| 1 | #include <stdio.h> |
|---|
| 2 | #include <string.h> |
|---|
| 3 | #include <sys/stat.h> |
|---|
| 4 | #include <stdlib.h> |
|---|
| 5 | #include <unistd.h> |
|---|
| 6 | #include <linux/types.h> |
|---|
| 7 | #include <assert.h> |
|---|
| 8 | #include <linux/unistd.h> |
|---|
| 9 | |
|---|
| 10 | #define S_SLITE_SIZET 0x1 |
|---|
| 11 | #define S_SLITE_BLKSIZE 0x2 |
|---|
| 12 | #define S_SLITE_BLOCKS 0x4 |
|---|
| 13 | #define S_SLITE_ATIME 0x8 |
|---|
| 14 | #define S_SLITE_MTIME 0x10 |
|---|
| 15 | #define S_SLITE_CTIME 0x20 |
|---|
| 16 | #define S_SLITE_ALL (S_SLITE_SIZET | S_SLITE_BLKSIZE | S_SLITE_BLOCKS \ |
|---|
| 17 | S_SLITE_ATIME | S_SLITE_MTIME | S_SLITE_CTIME) |
|---|
| 18 | |
|---|
| 19 | #define SLITE_SIZET(m) ((m) & S_SLITE_SIZET) |
|---|
| 20 | #define SLITE_BLKSIZE(m) ((m) & S_SLITE_BLKSIZE) |
|---|
| 21 | #define SLITE_BLOCKS(m) ((m) & S_SLITE_BLOCKS) |
|---|
| 22 | #define SLITE_ATIME(m) ((m) & S_SLITE_ATIME) |
|---|
| 23 | #define SLITE_MTIME(m) ((m) & S_SLITE_MTIME) |
|---|
| 24 | #define SLITE_CTIME(m) ((m) & S_SLITE_CTIME) |
|---|
| 25 | |
|---|
| 26 | #if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) |
|---|
| 27 | /* FIXME: |
|---|
| 28 | * PLEASE CHANGE THIS SYSTEM |
|---|
| 29 | * CALL NUMBER IN CASE YOUR |
|---|
| 30 | * ARCHITECTURE IS NOT IA-32 |
|---|
| 31 | * OR IF YOUR KERNEL SYSCALL NUMBERS |
|---|
| 32 | * ARE DIFFERENT. YOU HAVE BEEN WARNED!!!!! |
|---|
| 33 | */ |
|---|
| 34 | #define __NR_newstatlite 313 |
|---|
| 35 | #define __NR_newlstatlite 314 |
|---|
| 36 | #define __NR_newfstatlite 315 |
|---|
| 37 | |
|---|
| 38 | struct kernel_stat_lite { |
|---|
| 39 | unsigned long st_dev; |
|---|
| 40 | unsigned long st_ino; |
|---|
| 41 | unsigned short st_mode; |
|---|
| 42 | unsigned short st_nlink; |
|---|
| 43 | unsigned short st_uid; |
|---|
| 44 | unsigned short st_gid; |
|---|
| 45 | unsigned long st_rdev; |
|---|
| 46 | unsigned long st_litemask; |
|---|
| 47 | unsigned long st_size; |
|---|
| 48 | unsigned long st_blksize; |
|---|
| 49 | unsigned long st_blocks; |
|---|
| 50 | unsigned long st_atim; |
|---|
| 51 | unsigned long st_atime_nsec; |
|---|
| 52 | unsigned long st_mtim; |
|---|
| 53 | unsigned long st_mtime_nsec; |
|---|
| 54 | unsigned long st_ctim; |
|---|
| 55 | unsigned long st_ctime_nsec; |
|---|
| 56 | unsigned long __unused4; |
|---|
| 57 | unsigned long __unused5; |
|---|
| 58 | }; |
|---|
| 59 | |
|---|
| 60 | #elif defined (x86_64) || defined (__x86_64__) |
|---|
| 61 | |
|---|
| 62 | #define __NR_newstatlite 275 |
|---|
| 63 | #define __NR_newlstatlite 276 |
|---|
| 64 | #define __NR_newfstatlite 277 |
|---|
| 65 | |
|---|
| 66 | struct kernel_stat_lite { |
|---|
| 67 | unsigned long st_dev; |
|---|
| 68 | unsigned long st_ino; |
|---|
| 69 | unsigned long st_nlink; |
|---|
| 70 | |
|---|
| 71 | unsigned int st_mode; |
|---|
| 72 | unsigned int st_uid; |
|---|
| 73 | unsigned int st_gid; |
|---|
| 74 | unsigned int __pad0; |
|---|
| 75 | unsigned long st_rdev; |
|---|
| 76 | unsigned long st_litemask; |
|---|
| 77 | long st_size; |
|---|
| 78 | long st_blksize; |
|---|
| 79 | long st_blocks; /* Number 512-byte blocks allocated. */ |
|---|
| 80 | |
|---|
| 81 | unsigned long st_atim; |
|---|
| 82 | unsigned long st_atime_nsec; |
|---|
| 83 | unsigned long st_mtim; |
|---|
| 84 | unsigned long st_mtime_nsec; |
|---|
| 85 | unsigned long st_ctim; |
|---|
| 86 | unsigned long st_ctime_nsec; |
|---|
| 87 | long __unused[3]; |
|---|
| 88 | }; |
|---|
| 89 | #endif |
|---|
| 90 | |
|---|
| 91 | static int newstatlite(const char *, struct kernel_stat_lite *); |
|---|
| 92 | static int newfstatlite(int, struct kernel_stat_lite *); |
|---|
| 93 | static int newlstatlite(const char *, struct kernel_stat_lite *); |
|---|
| 94 | static int getdents(uint, struct dirent *, uint); |
|---|
| 95 | |
|---|
| 96 | _syscall2(int, newstatlite, const char *, path, struct kernel_stat_lite *, buf); |
|---|
| 97 | _syscall2(int, newfstatlite, int, filedes, struct kernel_stat_lite *, buf); |
|---|
| 98 | _syscall2(int, newlstatlite, const char *, path, struct kernel_stat_lite *, buf); |
|---|
| 99 | |
|---|
| 100 | #if !defined(_FILE_OFFSET_BITS) && !defined(_LARGEFILE64_SOURCE) |
|---|
| 101 | static void copy_statlite_to_stat(struct kernel_stat_lite *slbuf, |
|---|
| 102 | struct stat *sbuf) |
|---|
| 103 | { |
|---|
| 104 | sbuf->st_dev = slbuf->st_dev; |
|---|
| 105 | sbuf->st_ino = slbuf->st_ino; |
|---|
| 106 | sbuf->st_mode = slbuf->st_mode; |
|---|
| 107 | sbuf->st_nlink = slbuf->st_nlink; |
|---|
| 108 | sbuf->st_uid = slbuf->st_uid; |
|---|
| 109 | sbuf->st_gid = slbuf->st_gid; |
|---|
| 110 | sbuf->st_rdev = slbuf->st_rdev; |
|---|
| 111 | sbuf->st_size = 0; |
|---|
| 112 | sbuf->st_blksize = slbuf->st_blksize; |
|---|
| 113 | sbuf->st_blocks = slbuf->st_blocks; |
|---|
| 114 | sbuf->st_atime = slbuf->st_atim; |
|---|
| 115 | sbuf->st_mtime = slbuf->st_mtim; |
|---|
| 116 | sbuf->st_ctime = slbuf->st_ctim; |
|---|
| 117 | } |
|---|
| 118 | |
|---|
| 119 | int __xstat(int vers, const char *pathname, struct stat *sbuf) |
|---|
| 120 | { |
|---|
| 121 | struct kernel_stat_lite slbuf; |
|---|
| 122 | int ret; |
|---|
| 123 | memset(&slbuf, 0, sizeof(slbuf)); |
|---|
| 124 | slbuf.st_litemask = S_SLITE_ATIME | |
|---|
| 125 | S_SLITE_MTIME | |
|---|
| 126 | S_SLITE_CTIME | |
|---|
| 127 | S_SLITE_BLKSIZE | |
|---|
| 128 | S_SLITE_BLOCKS; |
|---|
| 129 | ret = newstatlite(pathname, &slbuf); |
|---|
| 130 | if (ret < 0) |
|---|
| 131 | return ret; |
|---|
| 132 | copy_statlite_to_stat(&slbuf, sbuf); |
|---|
| 133 | return 0; |
|---|
| 134 | } |
|---|
| 135 | |
|---|
| 136 | int __lxstat(int vers, const char *pathname, struct stat *sbuf) |
|---|
| 137 | { |
|---|
| 138 | struct kernel_stat_lite slbuf; |
|---|
| 139 | int ret; |
|---|
| 140 | memset(&slbuf, 0, sizeof(slbuf)); |
|---|
| 141 | slbuf.st_litemask = S_SLITE_ATIME | |
|---|
| 142 | S_SLITE_MTIME | |
|---|
| 143 | S_SLITE_CTIME | |
|---|
| 144 | S_SLITE_BLKSIZE | |
|---|
| 145 | S_SLITE_BLOCKS; |
|---|
| 146 | ret = newlstatlite(pathname, &slbuf); |
|---|
| 147 | if (ret < 0) |
|---|
| 148 | return ret; |
|---|
| 149 | copy_statlite_to_stat(&slbuf, sbuf); |
|---|
| 150 | return 0; |
|---|
| 151 | } |
|---|
| 152 | |
|---|
| 153 | int __fxstat(int vers, int fd, struct stat *sbuf) |
|---|
| 154 | { |
|---|
| 155 | struct kernel_stat_lite slbuf; |
|---|
| 156 | int ret; |
|---|
| 157 | memset(&slbuf, 0, sizeof(slbuf)); |
|---|
| 158 | slbuf.st_litemask = S_SLITE_ATIME | |
|---|
| 159 | S_SLITE_MTIME | |
|---|
| 160 | S_SLITE_CTIME | |
|---|
| 161 | S_SLITE_BLKSIZE | |
|---|
| 162 | S_SLITE_BLOCKS; |
|---|
| 163 | ret = newfstatlite(fd, &slbuf); |
|---|
| 164 | if (ret < 0) |
|---|
| 165 | return ret; |
|---|
| 166 | copy_statlite_to_stat(&slbuf, sbuf); |
|---|
| 167 | return 0; |
|---|
| 168 | } |
|---|
| 169 | #else |
|---|
| 170 | static void copy_statlite_to_stat64(struct kernel_stat_lite *slbuf, |
|---|
| 171 | struct stat64 *sbuf) |
|---|
| 172 | { |
|---|
| 173 | sbuf->st_dev = slbuf->st_dev; |
|---|
| 174 | sbuf->st_ino = slbuf->st_ino; |
|---|
| 175 | sbuf->st_mode = slbuf->st_mode; |
|---|
| 176 | sbuf->st_nlink = slbuf->st_nlink; |
|---|
| 177 | sbuf->st_uid = slbuf->st_uid; |
|---|
| 178 | sbuf->st_gid = slbuf->st_gid; |
|---|
| 179 | sbuf->st_rdev = slbuf->st_rdev; |
|---|
| 180 | sbuf->st_size = 0; |
|---|
| 181 | sbuf->st_blksize = slbuf->st_blksize; |
|---|
| 182 | sbuf->st_blocks = slbuf->st_blocks; |
|---|
| 183 | sbuf->st_atime = slbuf->st_atim; |
|---|
| 184 | sbuf->st_mtime = slbuf->st_mtim; |
|---|
| 185 | sbuf->st_ctime = slbuf->st_ctim; |
|---|
| 186 | } |
|---|
| 187 | |
|---|
| 188 | int __xstat64(int vers, const char *pathname, struct stat64 *sbuf) |
|---|
| 189 | { |
|---|
| 190 | struct kernel_stat_lite slbuf; |
|---|
| 191 | int ret; |
|---|
| 192 | |
|---|
| 193 | memset(&slbuf, 0, sizeof(slbuf)); |
|---|
| 194 | slbuf.st_litemask = S_SLITE_ATIME | |
|---|
| 195 | S_SLITE_MTIME | |
|---|
| 196 | S_SLITE_CTIME | |
|---|
| 197 | S_SLITE_BLKSIZE | |
|---|
| 198 | S_SLITE_BLOCKS; |
|---|
| 199 | ret = newstatlite(pathname, &slbuf); |
|---|
| 200 | if (ret < 0) |
|---|
| 201 | return ret; |
|---|
| 202 | copy_statlite_to_stat64(&slbuf, sbuf); |
|---|
| 203 | return 0; |
|---|
| 204 | } |
|---|
| 205 | |
|---|
| 206 | int __lxstat64(int vers, const char *pathname, struct stat64 *sbuf) |
|---|
| 207 | { |
|---|
| 208 | struct kernel_stat_lite slbuf; |
|---|
| 209 | int ret; |
|---|
| 210 | |
|---|
| 211 | memset(&slbuf, 0, sizeof(slbuf)); |
|---|
| 212 | slbuf.st_litemask = S_SLITE_ATIME | |
|---|
| 213 | S_SLITE_MTIME | |
|---|
| 214 | S_SLITE_CTIME | |
|---|
| 215 | S_SLITE_BLKSIZE | |
|---|
| 216 | S_SLITE_BLOCKS; |
|---|
| 217 | ret = newlstatlite(pathname, &slbuf); |
|---|
| 218 | if (ret < 0) |
|---|
| 219 | return ret; |
|---|
| 220 | copy_statlite_to_stat64(&slbuf, sbuf); |
|---|
| 221 | return 0; |
|---|
| 222 | } |
|---|
| 223 | |
|---|
| 224 | int __fxstat64(int vers, int fd, struct stat64 *sbuf) |
|---|
| 225 | { |
|---|
| 226 | struct kernel_stat_lite slbuf; |
|---|
| 227 | int ret; |
|---|
| 228 | |
|---|
| 229 | memset(&slbuf, 0, sizeof(slbuf)); |
|---|
| 230 | slbuf.st_litemask = S_SLITE_ATIME | |
|---|
| 231 | S_SLITE_MTIME | |
|---|
| 232 | S_SLITE_CTIME | |
|---|
| 233 | S_SLITE_BLKSIZE | |
|---|
| 234 | S_SLITE_BLOCKS; |
|---|
| 235 | ret = newfstatlite(fd, &slbuf); |
|---|
| 236 | if (ret < 0) |
|---|
| 237 | return ret; |
|---|
| 238 | copy_statlite_to_stat64(&slbuf, sbuf); |
|---|
| 239 | return 0; |
|---|
| 240 | } |
|---|
| 241 | #endif |
|---|