Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 1 | /* |
| 2 | FUSE: Filesystem in Userspace |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 3 | Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu> |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 4 | |
| 5 | This program can be distributed under the terms of the GNU LGPL. |
| 6 | See the file COPYING.LIB |
| 7 | */ |
| 8 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 9 | #include <config.h> |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 10 | #include "fuse_lowlevel.h" |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 11 | #include "fuse_kernel.h" |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 12 | #include "fuse_opt.h" |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 13 | #include "fuse_i.h" |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 14 | |
| 15 | #include <stdio.h> |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 16 | #include <stdlib.h> |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 17 | #include <stddef.h> |
| 18 | #include <string.h> |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 19 | #include <unistd.h> |
| 20 | #include <limits.h> |
| 21 | #include <errno.h> |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 22 | |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 23 | #define PARAM(inarg) (((char *)(inarg)) + sizeof(*(inarg))) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 24 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 25 | struct fuse_ll { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 26 | int debug; |
| 27 | int allow_root; |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 28 | struct fuse_lowlevel_ops op; |
| 29 | int got_init; |
| 30 | void *userdata; |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 31 | uid_t owner; |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 32 | struct fuse_conn_info conn; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 33 | }; |
| 34 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 35 | struct fuse_req { |
| 36 | struct fuse_ll *f; |
| 37 | uint64_t unique; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 38 | struct fuse_ctx ctx; |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 39 | struct fuse_chan *ch; |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 40 | }; |
| 41 | |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 42 | static const char *opname(enum fuse_opcode opcode) |
| 43 | { |
| 44 | switch (opcode) { |
| 45 | case FUSE_LOOKUP: return "LOOKUP"; |
| 46 | case FUSE_FORGET: return "FORGET"; |
| 47 | case FUSE_GETATTR: return "GETATTR"; |
| 48 | case FUSE_SETATTR: return "SETATTR"; |
| 49 | case FUSE_READLINK: return "READLINK"; |
| 50 | case FUSE_SYMLINK: return "SYMLINK"; |
| 51 | case FUSE_MKNOD: return "MKNOD"; |
| 52 | case FUSE_MKDIR: return "MKDIR"; |
| 53 | case FUSE_UNLINK: return "UNLINK"; |
| 54 | case FUSE_RMDIR: return "RMDIR"; |
| 55 | case FUSE_RENAME: return "RENAME"; |
| 56 | case FUSE_LINK: return "LINK"; |
| 57 | case FUSE_OPEN: return "OPEN"; |
| 58 | case FUSE_READ: return "READ"; |
| 59 | case FUSE_WRITE: return "WRITE"; |
| 60 | case FUSE_STATFS: return "STATFS"; |
| 61 | case FUSE_FLUSH: return "FLUSH"; |
| 62 | case FUSE_RELEASE: return "RELEASE"; |
| 63 | case FUSE_FSYNC: return "FSYNC"; |
| 64 | case FUSE_SETXATTR: return "SETXATTR"; |
| 65 | case FUSE_GETXATTR: return "GETXATTR"; |
| 66 | case FUSE_LISTXATTR: return "LISTXATTR"; |
| 67 | case FUSE_REMOVEXATTR: return "REMOVEXATTR"; |
| 68 | case FUSE_INIT: return "INIT"; |
| 69 | case FUSE_OPENDIR: return "OPENDIR"; |
| 70 | case FUSE_READDIR: return "READDIR"; |
| 71 | case FUSE_RELEASEDIR: return "RELEASEDIR"; |
| 72 | case FUSE_FSYNCDIR: return "FSYNCDIR"; |
Miklos Szeredi | b0b13d1 | 2005-10-26 12:53:25 +0000 | [diff] [blame] | 73 | case FUSE_ACCESS: return "ACCESS"; |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 74 | case FUSE_CREATE: return "CREATE"; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 75 | default: return "???"; |
| 76 | } |
| 77 | } |
| 78 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 79 | static void convert_stat(const struct stat *stbuf, struct fuse_attr *attr) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 80 | { |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 81 | attr->ino = stbuf->st_ino; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 82 | attr->mode = stbuf->st_mode; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 83 | attr->nlink = stbuf->st_nlink; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 84 | attr->uid = stbuf->st_uid; |
| 85 | attr->gid = stbuf->st_gid; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 86 | attr->rdev = stbuf->st_rdev; |
| 87 | attr->size = stbuf->st_size; |
| 88 | attr->blocks = stbuf->st_blocks; |
| 89 | attr->atime = stbuf->st_atime; |
| 90 | attr->mtime = stbuf->st_mtime; |
| 91 | attr->ctime = stbuf->st_ctime; |
| 92 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
| 93 | attr->atimensec = stbuf->st_atim.tv_nsec; |
| 94 | attr->mtimensec = stbuf->st_mtim.tv_nsec; |
| 95 | attr->ctimensec = stbuf->st_ctim.tv_nsec; |
| 96 | #endif |
| 97 | } |
| 98 | |
Miklos Szeredi | 11509ce | 2005-10-26 16:04:04 +0000 | [diff] [blame] | 99 | static void convert_attr(const struct fuse_setattr_in *attr, struct stat *stbuf) |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 100 | { |
| 101 | stbuf->st_mode = attr->mode; |
| 102 | stbuf->st_uid = attr->uid; |
| 103 | stbuf->st_gid = attr->gid; |
| 104 | stbuf->st_size = attr->size; |
| 105 | stbuf->st_atime = attr->atime; |
| 106 | stbuf->st_mtime = attr->mtime; |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 107 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
| 108 | stbuf->st_atim.tv_nsec = attr->atimensec; |
| 109 | stbuf->st_mtim.tv_nsec = attr->mtimensec; |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 110 | #endif |
| 111 | } |
| 112 | |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 113 | static size_t iov_length(const struct iovec *iov, size_t count) |
| 114 | { |
| 115 | size_t seg; |
| 116 | size_t ret = 0; |
| 117 | |
| 118 | for (seg = 0; seg < count; seg++) |
| 119 | ret += iov[seg].iov_len; |
| 120 | return ret; |
| 121 | } |
| 122 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 123 | static void free_req(fuse_req_t req) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 124 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 125 | free(req); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 126 | } |
| 127 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 128 | static int send_reply(fuse_req_t req, int error, const void *arg, |
| 129 | size_t argsize) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 130 | { |
| 131 | struct fuse_out_header out; |
| 132 | struct iovec iov[2]; |
| 133 | size_t count; |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 134 | int res; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 135 | |
| 136 | if (error <= -1000 || error > 0) { |
| 137 | fprintf(stderr, "fuse: bad error value: %i\n", error); |
| 138 | error = -ERANGE; |
| 139 | } |
| 140 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 141 | out.unique = req->unique; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 142 | out.error = error; |
| 143 | count = 1; |
| 144 | iov[0].iov_base = &out; |
| 145 | iov[0].iov_len = sizeof(struct fuse_out_header); |
| 146 | if (argsize && !error) { |
| 147 | count++; |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 148 | iov[1].iov_base = (void *) arg; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 149 | iov[1].iov_len = argsize; |
| 150 | } |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 151 | out.len = iov_length(iov, count); |
| 152 | |
| 153 | if (req->f->debug) { |
| 154 | printf(" unique: %llu, error: %i (%s), outsize: %i\n", |
| 155 | out.unique, out.error, strerror(-out.error), out.len); |
| 156 | fflush(stdout); |
| 157 | } |
| 158 | res = fuse_chan_send(req->ch, iov, count); |
| 159 | free_req(req); |
| 160 | |
| 161 | return res; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 162 | } |
| 163 | |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 164 | size_t fuse_dirent_size(size_t namelen) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 165 | { |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 166 | return FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + namelen); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 167 | } |
| 168 | |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 169 | char *fuse_add_dirent(char *buf, const char *name, const struct stat *stbuf, |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 170 | off_t off) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 171 | { |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 172 | unsigned namelen = strlen(name); |
| 173 | unsigned entlen = FUSE_NAME_OFFSET + namelen; |
| 174 | unsigned entsize = fuse_dirent_size(namelen); |
| 175 | unsigned padlen = entsize - entlen; |
| 176 | struct fuse_dirent *dirent = (struct fuse_dirent *) buf; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 177 | |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 178 | dirent->ino = stbuf->st_ino; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 179 | dirent->off = off; |
| 180 | dirent->namelen = namelen; |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 181 | dirent->type = (stbuf->st_mode & 0170000) >> 12; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 182 | strncpy(dirent->name, name, namelen); |
| 183 | if (padlen) |
| 184 | memset(buf + entlen, 0, padlen); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 185 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 186 | return buf + entsize; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 187 | } |
| 188 | |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 189 | size_t fuse_add_direntry(fuse_req_t req, char *buf, size_t bufsize, |
| 190 | const char *name, const struct stat *stbuf, off_t off) |
| 191 | { |
| 192 | size_t entsize; |
| 193 | |
| 194 | (void) req; |
| 195 | entsize = fuse_dirent_size(strlen(name)); |
| 196 | if (entsize <= bufsize && buf) |
| 197 | fuse_add_dirent(buf, name, stbuf, off); |
| 198 | return entsize; |
| 199 | } |
| 200 | |
Miklos Szeredi | 52cb09d | 2005-11-07 11:59:00 +0000 | [diff] [blame] | 201 | static void convert_statfs(const struct statvfs *stbuf, |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 202 | struct fuse_kstatfs *kstatfs) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 203 | { |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 204 | kstatfs->bsize = stbuf->f_bsize; |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 205 | kstatfs->frsize = stbuf->f_frsize; |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 206 | kstatfs->blocks = stbuf->f_blocks; |
| 207 | kstatfs->bfree = stbuf->f_bfree; |
| 208 | kstatfs->bavail = stbuf->f_bavail; |
| 209 | kstatfs->files = stbuf->f_files; |
| 210 | kstatfs->ffree = stbuf->f_ffree; |
Miklos Szeredi | 52cb09d | 2005-11-07 11:59:00 +0000 | [diff] [blame] | 211 | kstatfs->namelen = stbuf->f_namemax; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 212 | } |
| 213 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 214 | static int send_reply_ok(fuse_req_t req, const void *arg, size_t argsize) |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 215 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 216 | return send_reply(req, 0, arg, argsize); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | int fuse_reply_err(fuse_req_t req, int err) |
| 220 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 221 | return send_reply(req, -err, NULL, 0); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 222 | } |
| 223 | |
Miklos Szeredi | 836ab71 | 2005-10-03 14:11:59 +0000 | [diff] [blame] | 224 | void fuse_reply_none(fuse_req_t req) |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 225 | { |
| 226 | free_req(req); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | static unsigned long calc_timeout_sec(double t) |
| 230 | { |
| 231 | if (t > (double) ULONG_MAX) |
| 232 | return ULONG_MAX; |
| 233 | else if (t < 0.0) |
| 234 | return 0; |
| 235 | else |
| 236 | return (unsigned long) t; |
| 237 | } |
| 238 | |
| 239 | static unsigned int calc_timeout_nsec(double t) |
| 240 | { |
| 241 | double f = t - (double) calc_timeout_sec(t); |
| 242 | if (f < 0.0) |
| 243 | return 0; |
| 244 | else if (f >= 0.999999999) |
| 245 | return 999999999; |
| 246 | else |
| 247 | return (unsigned int) (f * 1.0e9); |
| 248 | } |
| 249 | |
Miklos Szeredi | b0c52c5 | 2005-08-23 15:39:43 +0000 | [diff] [blame] | 250 | static void fill_entry(struct fuse_entry_out *arg, |
| 251 | const struct fuse_entry_param *e) |
| 252 | { |
| 253 | arg->nodeid = e->ino; |
| 254 | arg->generation = e->generation; |
| 255 | arg->entry_valid = calc_timeout_sec(e->entry_timeout); |
| 256 | arg->entry_valid_nsec = calc_timeout_nsec(e->entry_timeout); |
| 257 | arg->attr_valid = calc_timeout_sec(e->attr_timeout); |
| 258 | arg->attr_valid_nsec = calc_timeout_nsec(e->attr_timeout); |
| 259 | convert_stat(&e->attr, &arg->attr); |
| 260 | } |
| 261 | |
| 262 | static void fill_open(struct fuse_open_out *arg, |
| 263 | const struct fuse_file_info *f) |
| 264 | { |
| 265 | arg->fh = f->fh; |
| 266 | if (f->direct_io) |
| 267 | arg->open_flags |= FOPEN_DIRECT_IO; |
| 268 | if (f->keep_cache) |
| 269 | arg->open_flags |= FOPEN_KEEP_CACHE; |
| 270 | } |
| 271 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 272 | int fuse_reply_entry(fuse_req_t req, const struct fuse_entry_param *e) |
| 273 | { |
| 274 | struct fuse_entry_out arg; |
| 275 | |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 276 | /* before ABI 7.4 e->ino == 0 was invalid, only ENOENT meant |
| 277 | negative entry */ |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 278 | if (!e->ino && req->f->conn.proto_minor < 4) |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 279 | return fuse_reply_err(req, ENOENT); |
| 280 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 281 | memset(&arg, 0, sizeof(arg)); |
Miklos Szeredi | b0c52c5 | 2005-08-23 15:39:43 +0000 | [diff] [blame] | 282 | fill_entry(&arg, e); |
| 283 | return send_reply_ok(req, &arg, sizeof(arg)); |
| 284 | } |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 285 | |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 286 | int fuse_reply_create(fuse_req_t req, const struct fuse_entry_param *e, |
| 287 | const struct fuse_file_info *f) |
| 288 | { |
| 289 | struct { |
| 290 | struct fuse_entry_out e; |
| 291 | struct fuse_open_out o; |
| 292 | } arg; |
| 293 | |
| 294 | memset(&arg, 0, sizeof(arg)); |
| 295 | fill_entry(&arg.e, e); |
| 296 | fill_open(&arg.o, f); |
| 297 | return send_reply_ok(req, &arg, sizeof(arg)); |
| 298 | } |
| 299 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 300 | int fuse_reply_attr(fuse_req_t req, const struct stat *attr, |
| 301 | double attr_timeout) |
| 302 | { |
| 303 | struct fuse_attr_out arg; |
| 304 | |
| 305 | memset(&arg, 0, sizeof(arg)); |
| 306 | arg.attr_valid = calc_timeout_sec(attr_timeout); |
| 307 | arg.attr_valid_nsec = calc_timeout_nsec(attr_timeout); |
| 308 | convert_stat(attr, &arg.attr); |
| 309 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 310 | return send_reply_ok(req, &arg, sizeof(arg)); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 311 | } |
| 312 | |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 313 | int fuse_reply_readlink(fuse_req_t req, const char *linkname) |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 314 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 315 | return send_reply_ok(req, linkname, strlen(linkname)); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | int fuse_reply_open(fuse_req_t req, const struct fuse_file_info *f) |
| 319 | { |
| 320 | struct fuse_open_out arg; |
| 321 | |
| 322 | memset(&arg, 0, sizeof(arg)); |
Miklos Szeredi | b0c52c5 | 2005-08-23 15:39:43 +0000 | [diff] [blame] | 323 | fill_open(&arg, f); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 324 | return send_reply_ok(req, &arg, sizeof(arg)); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | int fuse_reply_write(fuse_req_t req, size_t count) |
| 328 | { |
| 329 | struct fuse_write_out arg; |
| 330 | |
| 331 | memset(&arg, 0, sizeof(arg)); |
| 332 | arg.size = count; |
Miklos Szeredi | 9b813af | 2005-07-21 07:59:37 +0000 | [diff] [blame] | 333 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 334 | return send_reply_ok(req, &arg, sizeof(arg)); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | int fuse_reply_buf(fuse_req_t req, const char *buf, size_t size) |
| 338 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 339 | return send_reply_ok(req, buf, size); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 340 | } |
| 341 | |
Miklos Szeredi | 52cb09d | 2005-11-07 11:59:00 +0000 | [diff] [blame] | 342 | int fuse_reply_statfs(fuse_req_t req, const struct statvfs *stbuf) |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 343 | { |
| 344 | struct fuse_statfs_out arg; |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 345 | size_t size = req->f->conn.proto_minor < 4 ? FUSE_COMPAT_STATFS_SIZE : sizeof(arg); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 346 | |
| 347 | memset(&arg, 0, sizeof(arg)); |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 348 | convert_statfs(stbuf, &arg.st); |
Miklos Szeredi | 9b813af | 2005-07-21 07:59:37 +0000 | [diff] [blame] | 349 | |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 350 | return send_reply_ok(req, &arg, size); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | int fuse_reply_xattr(fuse_req_t req, size_t count) |
| 354 | { |
| 355 | struct fuse_getxattr_out arg; |
| 356 | |
| 357 | memset(&arg, 0, sizeof(arg)); |
| 358 | arg.size = count; |
Miklos Szeredi | 9b813af | 2005-07-21 07:59:37 +0000 | [diff] [blame] | 359 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 360 | return send_reply_ok(req, &arg, sizeof(arg)); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 361 | } |
| 362 | |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 363 | static void do_lookup(fuse_req_t req, fuse_ino_t nodeid, char *name) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 364 | { |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 365 | if (req->f->op.lookup) |
| 366 | req->f->op.lookup(req, nodeid, name); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 367 | else |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 368 | fuse_reply_err(req, ENOSYS); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 369 | } |
| 370 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 371 | static void do_forget(fuse_req_t req, fuse_ino_t nodeid, |
| 372 | struct fuse_forget_in *arg) |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 373 | { |
| 374 | if (req->f->op.forget) |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 375 | req->f->op.forget(req, nodeid, arg->nlookup); |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | static void do_getattr(fuse_req_t req, fuse_ino_t nodeid) |
| 379 | { |
| 380 | if (req->f->op.getattr) |
Miklos Szeredi | ecce1bf | 2005-08-25 15:19:06 +0000 | [diff] [blame] | 381 | req->f->op.getattr(req, nodeid, NULL); |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 382 | else |
| 383 | fuse_reply_err(req, ENOSYS); |
| 384 | } |
| 385 | |
| 386 | static void do_setattr(fuse_req_t req, fuse_ino_t nodeid, |
Miklos Szeredi | 11509ce | 2005-10-26 16:04:04 +0000 | [diff] [blame] | 387 | struct fuse_setattr_in *arg) |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 388 | { |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 389 | if (req->f->op.setattr) { |
Miklos Szeredi | 11509ce | 2005-10-26 16:04:04 +0000 | [diff] [blame] | 390 | struct fuse_file_info *fi = NULL; |
| 391 | struct fuse_file_info fi_store; |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 392 | struct stat stbuf; |
Miklos Szeredi | e3b8309 | 2005-07-22 17:24:30 +0000 | [diff] [blame] | 393 | memset(&stbuf, 0, sizeof(stbuf)); |
Miklos Szeredi | 11509ce | 2005-10-26 16:04:04 +0000 | [diff] [blame] | 394 | convert_attr(arg, &stbuf); |
| 395 | if (arg->valid & FATTR_FH) { |
| 396 | arg->valid &= ~FATTR_FH; |
| 397 | memset(&fi_store, 0, sizeof(fi_store)); |
| 398 | fi = &fi_store; |
| 399 | fi->fh = arg->fh; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 400 | fi->fh_old = fi->fh; |
Miklos Szeredi | 11509ce | 2005-10-26 16:04:04 +0000 | [diff] [blame] | 401 | } |
Miklos Szeredi | ecce1bf | 2005-08-25 15:19:06 +0000 | [diff] [blame] | 402 | req->f->op.setattr(req, nodeid, &stbuf, arg->valid, fi); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 403 | } else |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 404 | fuse_reply_err(req, ENOSYS); |
| 405 | } |
| 406 | |
Miklos Szeredi | b0b13d1 | 2005-10-26 12:53:25 +0000 | [diff] [blame] | 407 | static void do_access(fuse_req_t req, fuse_ino_t nodeid, |
| 408 | struct fuse_access_in *arg) |
| 409 | { |
| 410 | if (req->f->op.access) |
| 411 | req->f->op.access(req, nodeid, arg->mask); |
| 412 | else |
| 413 | fuse_reply_err(req, ENOSYS); |
| 414 | } |
| 415 | |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 416 | static void do_readlink(fuse_req_t req, fuse_ino_t nodeid) |
| 417 | { |
| 418 | if (req->f->op.readlink) |
| 419 | req->f->op.readlink(req, nodeid); |
| 420 | else |
| 421 | fuse_reply_err(req, ENOSYS); |
| 422 | } |
| 423 | |
| 424 | static void do_mknod(fuse_req_t req, fuse_ino_t nodeid, |
| 425 | struct fuse_mknod_in *arg) |
| 426 | { |
| 427 | if (req->f->op.mknod) |
| 428 | req->f->op.mknod(req, nodeid, PARAM(arg), arg->mode, arg->rdev); |
| 429 | else |
| 430 | fuse_reply_err(req, ENOSYS); |
| 431 | } |
| 432 | |
| 433 | static void do_mkdir(fuse_req_t req, fuse_ino_t nodeid, |
| 434 | struct fuse_mkdir_in *arg) |
| 435 | { |
| 436 | if (req->f->op.mkdir) |
| 437 | req->f->op.mkdir(req, nodeid, PARAM(arg), arg->mode); |
| 438 | else |
| 439 | fuse_reply_err(req, ENOSYS); |
| 440 | } |
| 441 | |
| 442 | static void do_unlink(fuse_req_t req, fuse_ino_t nodeid, char *name) |
| 443 | { |
| 444 | if (req->f->op.unlink) |
| 445 | req->f->op.unlink(req, nodeid, name); |
| 446 | else |
| 447 | fuse_reply_err(req, ENOSYS); |
| 448 | } |
| 449 | |
| 450 | static void do_rmdir(fuse_req_t req, fuse_ino_t nodeid, char *name) |
| 451 | { |
| 452 | if (req->f->op.rmdir) |
| 453 | req->f->op.rmdir(req, nodeid, name); |
| 454 | else |
| 455 | fuse_reply_err(req, ENOSYS); |
| 456 | } |
| 457 | |
| 458 | static void do_symlink(fuse_req_t req, fuse_ino_t nodeid, char *name, |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 459 | char *linkname) |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 460 | { |
| 461 | if (req->f->op.symlink) |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 462 | req->f->op.symlink(req, linkname, nodeid, name); |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 463 | else |
| 464 | fuse_reply_err(req, ENOSYS); |
| 465 | } |
| 466 | |
| 467 | static void do_rename(fuse_req_t req, fuse_ino_t nodeid, |
| 468 | struct fuse_rename_in *arg) |
| 469 | { |
| 470 | char *oldname = PARAM(arg); |
| 471 | char *newname = oldname + strlen(oldname) + 1; |
| 472 | |
| 473 | if (req->f->op.rename) |
| 474 | req->f->op.rename(req, nodeid, oldname, arg->newdir, newname); |
| 475 | else |
| 476 | fuse_reply_err(req, ENOSYS); |
| 477 | } |
| 478 | |
| 479 | static void do_link(fuse_req_t req, fuse_ino_t nodeid, |
| 480 | struct fuse_link_in *arg) |
| 481 | { |
| 482 | if (req->f->op.link) |
| 483 | req->f->op.link(req, arg->oldnodeid, nodeid, PARAM(arg)); |
| 484 | else |
| 485 | fuse_reply_err(req, ENOSYS); |
| 486 | } |
| 487 | |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 488 | static void do_create(fuse_req_t req, fuse_ino_t nodeid, |
| 489 | struct fuse_open_in *arg) |
| 490 | { |
| 491 | if (req->f->op.create) { |
| 492 | struct fuse_file_info fi; |
| 493 | |
| 494 | memset(&fi, 0, sizeof(fi)); |
| 495 | fi.flags = arg->flags; |
| 496 | |
| 497 | req->f->op.create(req, nodeid, PARAM(arg), arg->mode, &fi); |
| 498 | } else |
| 499 | fuse_reply_err(req, ENOSYS); |
| 500 | } |
| 501 | |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 502 | static void do_open(fuse_req_t req, fuse_ino_t nodeid, |
| 503 | struct fuse_open_in *arg) |
| 504 | { |
| 505 | struct fuse_file_info fi; |
Miklos Szeredi | 9b813af | 2005-07-21 07:59:37 +0000 | [diff] [blame] | 506 | |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 507 | memset(&fi, 0, sizeof(fi)); |
| 508 | fi.flags = arg->flags; |
| 509 | |
| 510 | if (req->f->op.open) |
| 511 | req->f->op.open(req, nodeid, &fi); |
| 512 | else |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 513 | fuse_reply_open(req, &fi); |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 514 | } |
| 515 | |
| 516 | static void do_read(fuse_req_t req, fuse_ino_t nodeid, |
| 517 | struct fuse_read_in *arg) |
| 518 | { |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 519 | if (req->f->op.read) { |
| 520 | struct fuse_file_info fi; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 521 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 522 | memset(&fi, 0, sizeof(fi)); |
| 523 | fi.fh = arg->fh; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 524 | fi.fh_old = fi.fh; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 525 | req->f->op.read(req, nodeid, arg->size, arg->offset, &fi); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 526 | } else |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 527 | fuse_reply_err(req, ENOSYS); |
| 528 | } |
| 529 | |
| 530 | static void do_write(fuse_req_t req, fuse_ino_t nodeid, |
| 531 | struct fuse_write_in *arg) |
| 532 | { |
| 533 | struct fuse_file_info fi; |
| 534 | |
| 535 | memset(&fi, 0, sizeof(fi)); |
| 536 | fi.fh = arg->fh; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 537 | fi.fh_old = fi.fh; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 538 | fi.writepage = arg->write_flags & 1; |
| 539 | |
| 540 | if (req->f->op.write) |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 541 | req->f->op.write(req, nodeid, PARAM(arg), arg->size, arg->offset, &fi); |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 542 | else |
| 543 | fuse_reply_err(req, ENOSYS); |
| 544 | } |
| 545 | |
| 546 | static void do_flush(fuse_req_t req, fuse_ino_t nodeid, |
| 547 | struct fuse_flush_in *arg) |
| 548 | { |
| 549 | struct fuse_file_info fi; |
| 550 | |
| 551 | memset(&fi, 0, sizeof(fi)); |
| 552 | fi.fh = arg->fh; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 553 | fi.fh_old = fi.fh; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 554 | |
| 555 | if (req->f->op.flush) |
| 556 | req->f->op.flush(req, nodeid, &fi); |
| 557 | else |
| 558 | fuse_reply_err(req, ENOSYS); |
| 559 | } |
| 560 | |
| 561 | static void do_release(fuse_req_t req, fuse_ino_t nodeid, |
| 562 | struct fuse_release_in *arg) |
| 563 | { |
| 564 | struct fuse_file_info fi; |
| 565 | |
| 566 | memset(&fi, 0, sizeof(fi)); |
| 567 | fi.flags = arg->flags; |
| 568 | fi.fh = arg->fh; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 569 | fi.fh_old = fi.fh; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 570 | |
| 571 | if (req->f->op.release) |
| 572 | req->f->op.release(req, nodeid, &fi); |
| 573 | else |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 574 | fuse_reply_err(req, 0); |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 575 | } |
| 576 | |
| 577 | static void do_fsync(fuse_req_t req, fuse_ino_t nodeid, |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 578 | struct fuse_fsync_in *inarg) |
| 579 | { |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 580 | struct fuse_file_info fi; |
| 581 | |
| 582 | memset(&fi, 0, sizeof(fi)); |
| 583 | fi.fh = inarg->fh; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 584 | fi.fh_old = fi.fh; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 585 | |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 586 | if (req->f->op.fsync) |
| 587 | req->f->op.fsync(req, nodeid, inarg->fsync_flags & 1, &fi); |
| 588 | else |
| 589 | fuse_reply_err(req, ENOSYS); |
| 590 | } |
| 591 | |
| 592 | static void do_opendir(fuse_req_t req, fuse_ino_t nodeid, |
| 593 | struct fuse_open_in *arg) |
| 594 | { |
| 595 | struct fuse_file_info fi; |
| 596 | |
| 597 | memset(&fi, 0, sizeof(fi)); |
| 598 | fi.flags = arg->flags; |
| 599 | |
| 600 | if (req->f->op.opendir) |
| 601 | req->f->op.opendir(req, nodeid, &fi); |
| 602 | else |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 603 | fuse_reply_open(req, &fi); |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 604 | } |
| 605 | |
| 606 | static void do_readdir(fuse_req_t req, fuse_ino_t nodeid, |
| 607 | struct fuse_read_in *arg) |
| 608 | { |
| 609 | struct fuse_file_info fi; |
| 610 | |
| 611 | memset(&fi, 0, sizeof(fi)); |
| 612 | fi.fh = arg->fh; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 613 | fi.fh_old = fi.fh; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 614 | |
| 615 | if (req->f->op.readdir) |
| 616 | req->f->op.readdir(req, nodeid, arg->size, arg->offset, &fi); |
| 617 | else |
| 618 | fuse_reply_err(req, ENOSYS); |
| 619 | } |
| 620 | |
| 621 | static void do_releasedir(fuse_req_t req, fuse_ino_t nodeid, |
| 622 | struct fuse_release_in *arg) |
| 623 | { |
| 624 | struct fuse_file_info fi; |
| 625 | |
| 626 | memset(&fi, 0, sizeof(fi)); |
| 627 | fi.flags = arg->flags; |
| 628 | fi.fh = arg->fh; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 629 | fi.fh_old = fi.fh; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 630 | |
| 631 | if (req->f->op.releasedir) |
| 632 | req->f->op.releasedir(req, nodeid, &fi); |
| 633 | else |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 634 | fuse_reply_err(req, 0); |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | static void do_fsyncdir(fuse_req_t req, fuse_ino_t nodeid, |
| 638 | struct fuse_fsync_in *inarg) |
| 639 | { |
| 640 | struct fuse_file_info fi; |
| 641 | |
| 642 | memset(&fi, 0, sizeof(fi)); |
| 643 | fi.fh = inarg->fh; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 644 | fi.fh_old = fi.fh; |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 645 | |
| 646 | if (req->f->op.fsyncdir) |
| 647 | req->f->op.fsyncdir(req, nodeid, inarg->fsync_flags & 1, &fi); |
| 648 | else |
| 649 | fuse_reply_err(req, ENOSYS); |
| 650 | } |
| 651 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 652 | static void do_statfs(fuse_req_t req) |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 653 | { |
| 654 | if (req->f->op.statfs) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 655 | req->f->op.statfs(req); |
Miklos Szeredi | aa8258e | 2006-02-25 14:42:03 +0000 | [diff] [blame] | 656 | else { |
| 657 | struct statvfs buf = { |
| 658 | .f_namemax = 255, |
| 659 | .f_bsize = 512, |
| 660 | }; |
| 661 | fuse_reply_statfs(req, &buf); |
| 662 | } |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 663 | } |
| 664 | |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 665 | static void do_setxattr(fuse_req_t req, fuse_ino_t nodeid, |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 666 | struct fuse_setxattr_in *arg) |
| 667 | { |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 668 | char *name = PARAM(arg); |
Miklos Szeredi | 1b18802 | 2005-07-28 11:07:29 +0000 | [diff] [blame] | 669 | char *value = name + strlen(name) + 1; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 670 | |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 671 | if (req->f->op.setxattr) |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 672 | req->f->op.setxattr(req, nodeid, name, value, arg->size, |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 673 | arg->flags); |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 674 | else |
| 675 | fuse_reply_err(req, ENOSYS); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 676 | } |
| 677 | |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 678 | static void do_getxattr(fuse_req_t req, fuse_ino_t nodeid, |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 679 | struct fuse_getxattr_in *arg) |
| 680 | { |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 681 | if (req->f->op.getxattr) |
| 682 | req->f->op.getxattr(req, nodeid, PARAM(arg), arg->size); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 683 | else |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 684 | fuse_reply_err(req, ENOSYS); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 685 | } |
| 686 | |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 687 | static void do_listxattr(fuse_req_t req, fuse_ino_t nodeid, |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 688 | struct fuse_getxattr_in *arg) |
| 689 | { |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 690 | if (req->f->op.listxattr) |
| 691 | req->f->op.listxattr(req, nodeid, arg->size); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 692 | else |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 693 | fuse_reply_err(req, ENOSYS); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 694 | } |
| 695 | |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 696 | static void do_removexattr(fuse_req_t req, fuse_ino_t nodeid, char *name) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 697 | { |
Miklos Szeredi | 4331a27 | 2005-07-12 14:51:04 +0000 | [diff] [blame] | 698 | if (req->f->op.removexattr) |
| 699 | req->f->op.removexattr(req, nodeid, name); |
| 700 | else |
| 701 | fuse_reply_err(req, ENOSYS); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 702 | } |
| 703 | |
Miklos Szeredi | 044da2e | 2005-12-06 17:59:55 +0000 | [diff] [blame] | 704 | static void do_init(fuse_req_t req, struct fuse_init_in *arg) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 705 | { |
Miklos Szeredi | 044da2e | 2005-12-06 17:59:55 +0000 | [diff] [blame] | 706 | struct fuse_init_out outarg; |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 707 | struct fuse_ll *f = req->f; |
Miklos Szeredi | 044da2e | 2005-12-06 17:59:55 +0000 | [diff] [blame] | 708 | size_t bufsize = fuse_chan_bufsize(req->ch); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 709 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 710 | if (f->debug) { |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 711 | printf("INIT: %u.%u\n", arg->major, arg->minor); |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 712 | if (arg->major > 7 || (arg->major == 7 && arg->minor >= 6)) { |
| 713 | printf("flags=0x%08x\n", arg->flags); |
| 714 | printf("max_readahead=0x%08x\n", arg->max_readahead); |
| 715 | } |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 716 | fflush(stdout); |
| 717 | } |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 718 | f->conn.proto_major = arg->major; |
| 719 | f->conn.proto_minor = arg->minor; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 720 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 721 | if (arg->major > 7 || (arg->major == 7 && arg->minor >= 6)) { |
| 722 | if (f->conn.async_read) |
| 723 | f->conn.async_read = arg->flags & FUSE_ASYNC_READ; |
| 724 | if (arg->max_readahead < f->conn.max_readahead) |
| 725 | f->conn.max_readahead = arg->max_readahead; |
| 726 | } else { |
| 727 | f->conn.async_read = 0; |
| 728 | f->conn.max_readahead = 0; |
| 729 | } |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 730 | |
Miklos Szeredi | 154ffe2 | 2005-12-15 16:41:20 +0000 | [diff] [blame] | 731 | if (bufsize < FUSE_MIN_READ_BUFFER) { |
Miklos Szeredi | 044da2e | 2005-12-06 17:59:55 +0000 | [diff] [blame] | 732 | fprintf(stderr, "fuse: warning: buffer size too small: %i\n", bufsize); |
Miklos Szeredi | 154ffe2 | 2005-12-15 16:41:20 +0000 | [diff] [blame] | 733 | bufsize = FUSE_MIN_READ_BUFFER; |
Miklos Szeredi | 044da2e | 2005-12-06 17:59:55 +0000 | [diff] [blame] | 734 | } |
| 735 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 736 | bufsize -= 4096; |
| 737 | if (bufsize < f->conn.max_write) |
| 738 | f->conn.max_write = bufsize; |
| 739 | |
| 740 | f->got_init = 1; |
| 741 | if (f->op.init) |
| 742 | f->op.init(f->userdata, &f->conn); |
| 743 | |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 744 | memset(&outarg, 0, sizeof(outarg)); |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 745 | outarg.major = FUSE_KERNEL_VERSION; |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 746 | outarg.minor = FUSE_KERNEL_MINOR_VERSION; |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 747 | if (f->conn.async_read) |
| 748 | outarg.flags |= FUSE_ASYNC_READ; |
| 749 | outarg.max_readahead = f->conn.max_readahead; |
| 750 | outarg.max_write = f->conn.max_write; |
Miklos Szeredi | 044da2e | 2005-12-06 17:59:55 +0000 | [diff] [blame] | 751 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 752 | if (f->debug) { |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 753 | printf(" INIT: %u.%u\n", outarg.major, outarg.minor); |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 754 | printf(" flags=0x%08x\n", outarg.flags); |
| 755 | printf(" max_readahead=0x%08x\n", outarg.max_readahead); |
| 756 | printf(" max_write=0x%08x\n", outarg.max_write); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 757 | fflush(stdout); |
| 758 | } |
| 759 | |
Miklos Szeredi | 044da2e | 2005-12-06 17:59:55 +0000 | [diff] [blame] | 760 | send_reply_ok(req, &outarg, arg->minor < 5 ? 8 : sizeof(outarg)); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 761 | } |
| 762 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 763 | void *fuse_req_userdata(fuse_req_t req) |
| 764 | { |
| 765 | return req->f->userdata; |
| 766 | } |
| 767 | |
| 768 | const struct fuse_ctx *fuse_req_ctx(fuse_req_t req) |
| 769 | { |
| 770 | return &req->ctx; |
| 771 | } |
| 772 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 773 | static void fuse_ll_process(void *data, const char *buf, size_t len, |
| 774 | struct fuse_chan *ch) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 775 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 776 | struct fuse_ll *f = (struct fuse_ll *) data; |
| 777 | struct fuse_in_header *in = (struct fuse_in_header *) buf; |
| 778 | const void *inarg = buf + sizeof(struct fuse_in_header); |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 779 | struct fuse_req *req; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 780 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 781 | if (f->debug) { |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 782 | printf("unique: %llu, opcode: %s (%i), nodeid: %lu, insize: %i\n", |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 783 | in->unique, opname((enum fuse_opcode) in->opcode), in->opcode, |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 784 | (unsigned long) in->nodeid, len); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 785 | fflush(stdout); |
| 786 | } |
| 787 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 788 | req = (struct fuse_req *) malloc(sizeof(struct fuse_req)); |
| 789 | if (req == NULL) { |
| 790 | fprintf(stderr, "fuse: failed to allocate request\n"); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 791 | return; |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 792 | } |
Miklos Szeredi | 9b813af | 2005-07-21 07:59:37 +0000 | [diff] [blame] | 793 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 794 | req->f = f; |
| 795 | req->unique = in->unique; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 796 | req->ctx.uid = in->uid; |
| 797 | req->ctx.gid = in->gid; |
| 798 | req->ctx.pid = in->pid; |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 799 | req->ch = ch; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 800 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 801 | if (!f->got_init && in->opcode != FUSE_INIT) |
Miklos Szeredi | b3f9972 | 2005-11-16 13:00:24 +0000 | [diff] [blame] | 802 | fuse_reply_err(req, EIO); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 803 | else if (f->allow_root && in->uid != f->owner && in->uid != 0 && |
| 804 | in->opcode != FUSE_INIT && in->opcode != FUSE_READ && |
| 805 | in->opcode != FUSE_WRITE && in->opcode != FUSE_FSYNC && |
| 806 | in->opcode != FUSE_RELEASE && in->opcode != FUSE_READDIR && |
| 807 | in->opcode != FUSE_FSYNCDIR && in->opcode != FUSE_RELEASEDIR) { |
| 808 | fuse_reply_err(req, EACCES); |
| 809 | } else switch (in->opcode) { |
| 810 | case FUSE_INIT: |
Miklos Szeredi | 044da2e | 2005-12-06 17:59:55 +0000 | [diff] [blame] | 811 | do_init(req, (struct fuse_init_in *) inarg); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 812 | break; |
Miklos Szeredi | 2bb750e | 2005-10-03 14:54:24 +0000 | [diff] [blame] | 813 | |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 814 | case FUSE_LOOKUP: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 815 | do_lookup(req, in->nodeid, (char *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 816 | break; |
| 817 | |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 818 | case FUSE_FORGET: |
| 819 | do_forget(req, in->nodeid, (struct fuse_forget_in *) inarg); |
Miklos Szeredi | 2482fdb | 2005-07-12 13:23:53 +0000 | [diff] [blame] | 820 | break; |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 821 | |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 822 | case FUSE_GETATTR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 823 | do_getattr(req, in->nodeid); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 824 | break; |
| 825 | |
| 826 | case FUSE_SETATTR: |
Miklos Szeredi | 11509ce | 2005-10-26 16:04:04 +0000 | [diff] [blame] | 827 | do_setattr(req, in->nodeid, (struct fuse_setattr_in *) inarg); |
Miklos Szeredi | ecce1bf | 2005-08-25 15:19:06 +0000 | [diff] [blame] | 828 | break; |
| 829 | |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 830 | case FUSE_READLINK: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 831 | do_readlink(req, in->nodeid); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 832 | break; |
| 833 | |
| 834 | case FUSE_MKNOD: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 835 | do_mknod(req, in->nodeid, (struct fuse_mknod_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 836 | break; |
| 837 | |
| 838 | case FUSE_MKDIR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 839 | do_mkdir(req, in->nodeid, (struct fuse_mkdir_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 840 | break; |
| 841 | |
| 842 | case FUSE_UNLINK: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 843 | do_unlink(req, in->nodeid, (char *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 844 | break; |
| 845 | |
| 846 | case FUSE_RMDIR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 847 | do_rmdir(req, in->nodeid, (char *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 848 | break; |
| 849 | |
| 850 | case FUSE_SYMLINK: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 851 | do_symlink(req, in->nodeid, (char *) inarg, |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 852 | ((char *) inarg) + strlen((char *) inarg) + 1); |
| 853 | break; |
| 854 | |
| 855 | case FUSE_RENAME: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 856 | do_rename(req, in->nodeid, (struct fuse_rename_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 857 | break; |
| 858 | |
| 859 | case FUSE_LINK: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 860 | do_link(req, in->nodeid, (struct fuse_link_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 861 | break; |
| 862 | |
| 863 | case FUSE_OPEN: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 864 | do_open(req, in->nodeid, (struct fuse_open_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 865 | break; |
| 866 | |
| 867 | case FUSE_FLUSH: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 868 | do_flush(req, in->nodeid, (struct fuse_flush_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 869 | break; |
| 870 | |
| 871 | case FUSE_RELEASE: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 872 | do_release(req, in->nodeid, (struct fuse_release_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 873 | break; |
| 874 | |
| 875 | case FUSE_READ: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 876 | do_read(req, in->nodeid, (struct fuse_read_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 877 | break; |
| 878 | |
| 879 | case FUSE_WRITE: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 880 | do_write(req, in->nodeid, (struct fuse_write_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 881 | break; |
| 882 | |
| 883 | case FUSE_STATFS: |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 884 | do_statfs(req); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 885 | break; |
| 886 | |
| 887 | case FUSE_FSYNC: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 888 | do_fsync(req, in->nodeid, (struct fuse_fsync_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 889 | break; |
| 890 | |
| 891 | case FUSE_SETXATTR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 892 | do_setxattr(req, in->nodeid, (struct fuse_setxattr_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 893 | break; |
| 894 | |
| 895 | case FUSE_GETXATTR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 896 | do_getxattr(req, in->nodeid, (struct fuse_getxattr_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 897 | break; |
| 898 | |
| 899 | case FUSE_LISTXATTR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 900 | do_listxattr(req, in->nodeid, (struct fuse_getxattr_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 901 | break; |
| 902 | |
| 903 | case FUSE_REMOVEXATTR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 904 | do_removexattr(req, in->nodeid, (char *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 905 | break; |
| 906 | |
| 907 | case FUSE_OPENDIR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 908 | do_opendir(req, in->nodeid, (struct fuse_open_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 909 | break; |
| 910 | |
| 911 | case FUSE_READDIR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 912 | do_readdir(req, in->nodeid, (struct fuse_read_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 913 | break; |
| 914 | |
| 915 | case FUSE_RELEASEDIR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 916 | do_releasedir(req, in->nodeid, (struct fuse_release_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 917 | break; |
| 918 | |
| 919 | case FUSE_FSYNCDIR: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 920 | do_fsyncdir(req, in->nodeid, (struct fuse_fsync_in *) inarg); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 921 | break; |
| 922 | |
Miklos Szeredi | b0b13d1 | 2005-10-26 12:53:25 +0000 | [diff] [blame] | 923 | case FUSE_ACCESS: |
| 924 | do_access(req, in->nodeid, (struct fuse_access_in *) inarg); |
| 925 | break; |
| 926 | |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 927 | case FUSE_CREATE: |
| 928 | do_create(req, in->nodeid, (struct fuse_open_in *) inarg); |
| 929 | break; |
| 930 | |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 931 | default: |
Miklos Szeredi | 76c1752 | 2005-07-13 14:08:19 +0000 | [diff] [blame] | 932 | fuse_reply_err(req, ENOSYS); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 933 | } |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 934 | } |
| 935 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 936 | enum { |
| 937 | KEY_HELP, |
| 938 | KEY_VERSION, |
| 939 | }; |
| 940 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 941 | static struct fuse_opt fuse_ll_opts[] = { |
| 942 | { "debug", offsetof(struct fuse_ll, debug), 1 }, |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 943 | { "-d", offsetof(struct fuse_ll, debug), 1 }, |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 944 | { "allow_root", offsetof(struct fuse_ll, allow_root), 1 }, |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 945 | { "max_write=%u", offsetof(struct fuse_ll, conn.max_write), 0 }, |
| 946 | { "max_readahead=%u", offsetof(struct fuse_ll, conn.max_readahead), 0 }, |
| 947 | { "async_read", offsetof(struct fuse_ll, conn.async_read), 1 }, |
| 948 | { "sync_read", offsetof(struct fuse_ll, conn.async_read), 0 }, |
| 949 | FUSE_OPT_KEY("max_read=", FUSE_OPT_KEY_DISCARD), |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 950 | FUSE_OPT_KEY("-h", KEY_HELP), |
| 951 | FUSE_OPT_KEY("--help", KEY_HELP), |
| 952 | FUSE_OPT_KEY("-V", KEY_VERSION), |
| 953 | FUSE_OPT_KEY("--version", KEY_VERSION), |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 954 | FUSE_OPT_END |
| 955 | }; |
| 956 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 957 | static void fuse_ll_version(void) |
| 958 | { |
| 959 | fprintf(stderr, "using FUSE kernel interface version %i.%i\n", |
| 960 | FUSE_KERNEL_VERSION, FUSE_KERNEL_MINOR_VERSION); |
| 961 | } |
| 962 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 963 | static void fuse_ll_help(void) |
| 964 | { |
| 965 | fprintf(stderr, |
| 966 | " -o max_write=N set maximum size of write requests\n" |
| 967 | " -o max_readahead=N set maximum readahead\n" |
| 968 | " -o async_read perform reads asynchronously (default)\n" |
| 969 | " -o sync_read perform reads synchronously\n"); |
| 970 | } |
| 971 | |
Miklos Szeredi | caa0931 | 2005-12-14 23:25:00 +0000 | [diff] [blame] | 972 | static int fuse_ll_opt_proc(void *data, const char *arg, int key, |
Miklos Szeredi | 73f4139 | 2005-12-16 11:12:16 +0000 | [diff] [blame] | 973 | struct fuse_args *outargs) |
Miklos Szeredi | 3b534a4 | 2005-12-09 20:09:42 +0000 | [diff] [blame] | 974 | { |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 975 | (void) data; (void) outargs; |
Miklos Szeredi | cb402b0 | 2006-01-09 14:44:23 +0000 | [diff] [blame] | 976 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 977 | switch (key) { |
| 978 | case KEY_HELP: |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 979 | fuse_ll_help(); |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 980 | break; |
Miklos Szeredi | cb402b0 | 2006-01-09 14:44:23 +0000 | [diff] [blame] | 981 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 982 | case KEY_VERSION: |
| 983 | fuse_ll_version(); |
| 984 | break; |
| 985 | |
| 986 | default: |
| 987 | fprintf(stderr, "fuse: unknown option `%s'\n", arg); |
| 988 | } |
Miklos Szeredi | cb402b0 | 2006-01-09 14:44:23 +0000 | [diff] [blame] | 989 | |
Miklos Szeredi | 3b534a4 | 2005-12-09 20:09:42 +0000 | [diff] [blame] | 990 | return -1; |
| 991 | } |
| 992 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 993 | int fuse_lowlevel_is_lib_option(const char *opt) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 994 | { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 995 | return fuse_opt_match(fuse_ll_opts, opt); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 996 | } |
| 997 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 998 | static void fuse_ll_destroy(void *data) |
| 999 | { |
| 1000 | struct fuse_ll *f = (struct fuse_ll *) data; |
| 1001 | |
| 1002 | if (f->op.destroy) |
| 1003 | f->op.destroy(f->userdata); |
| 1004 | |
| 1005 | free(f); |
| 1006 | } |
| 1007 | |
Miklos Szeredi | 1ee1a11 | 2006-02-15 14:28:22 +0000 | [diff] [blame] | 1008 | /* |
| 1009 | * always call fuse_lowlevel_new_common() internally, to work around a |
| 1010 | * misfeature in the FreeBSD runtime linker, which links the old |
| 1011 | * version of a symbol to internal references. |
| 1012 | */ |
Miklos Szeredi | d65cdfe | 2006-02-15 14:25:17 +0000 | [diff] [blame] | 1013 | struct fuse_session *fuse_lowlevel_new_common(struct fuse_args *args, |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1014 | const struct fuse_lowlevel_ops *op, |
| 1015 | size_t op_size, void *userdata) |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 1016 | { |
| 1017 | struct fuse_ll *f; |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1018 | struct fuse_session *se; |
| 1019 | struct fuse_session_ops sop = { |
| 1020 | .process = fuse_ll_process, |
| 1021 | .destroy = fuse_ll_destroy, |
| 1022 | }; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 1023 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1024 | if (sizeof(struct fuse_lowlevel_ops) < op_size) { |
Miklos Szeredi | b75d4b9 | 2005-10-11 10:12:08 +0000 | [diff] [blame] | 1025 | fprintf(stderr, "fuse: warning: library too old, some operations may not work\n"); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1026 | op_size = sizeof(struct fuse_lowlevel_ops); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 1027 | } |
| 1028 | |
| 1029 | f = (struct fuse_ll *) calloc(1, sizeof(struct fuse_ll)); |
| 1030 | if (f == NULL) { |
| 1031 | fprintf(stderr, "fuse: failed to allocate fuse object\n"); |
| 1032 | goto out; |
| 1033 | } |
| 1034 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 1035 | f->conn.async_read = 1; |
| 1036 | f->conn.max_write = UINT_MAX; |
| 1037 | f->conn.max_readahead = UINT_MAX; |
| 1038 | |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 1039 | if (fuse_opt_parse(args, f, fuse_ll_opts, fuse_ll_opt_proc) == -1) |
| 1040 | goto out_free; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 1041 | |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 1042 | memcpy(&f->op, op, op_size); |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 1043 | f->owner = getuid(); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1044 | f->userdata = userdata; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 1045 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1046 | se = fuse_session_new(&sop, f); |
| 1047 | if (!se) |
| 1048 | goto out_free; |
| 1049 | |
| 1050 | return se; |
Miklos Szeredi | 1274494 | 2005-07-11 12:32:31 +0000 | [diff] [blame] | 1051 | |
| 1052 | out_free: |
| 1053 | free(f); |
| 1054 | out: |
| 1055 | return NULL; |
| 1056 | } |
Miklos Szeredi | c706ad9 | 2005-11-07 15:30:48 +0000 | [diff] [blame] | 1057 | |
Miklos Szeredi | d65cdfe | 2006-02-15 14:25:17 +0000 | [diff] [blame] | 1058 | |
Miklos Szeredi | d65cdfe | 2006-02-15 14:25:17 +0000 | [diff] [blame] | 1059 | struct fuse_session *fuse_lowlevel_new(struct fuse_args *args, |
| 1060 | const struct fuse_lowlevel_ops *op, |
| 1061 | size_t op_size, void *userdata) |
| 1062 | { |
| 1063 | return fuse_lowlevel_new_common(args, op, op_size, userdata); |
| 1064 | } |
| 1065 | |
| 1066 | |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1067 | #include "fuse_lowlevel_compat.h" |
| 1068 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 1069 | #ifndef __FreeBSD__ |
| 1070 | |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1071 | static void fill_open_compat(struct fuse_open_out *arg, |
| 1072 | const struct fuse_file_info_compat *f) |
| 1073 | { |
| 1074 | arg->fh = f->fh; |
| 1075 | if (f->direct_io) |
| 1076 | arg->open_flags |= FOPEN_DIRECT_IO; |
| 1077 | if (f->keep_cache) |
| 1078 | arg->open_flags |= FOPEN_KEEP_CACHE; |
| 1079 | } |
| 1080 | |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 1081 | static void convert_statfs_compat(const struct statfs *compatbuf, |
| 1082 | struct statvfs *buf) |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1083 | { |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 1084 | buf->f_bsize = compatbuf->f_bsize; |
| 1085 | buf->f_blocks = compatbuf->f_blocks; |
| 1086 | buf->f_bfree = compatbuf->f_bfree; |
| 1087 | buf->f_bavail = compatbuf->f_bavail; |
| 1088 | buf->f_files = compatbuf->f_files; |
| 1089 | buf->f_ffree = compatbuf->f_ffree; |
| 1090 | buf->f_namemax = compatbuf->f_namelen; |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1091 | } |
| 1092 | |
| 1093 | int fuse_reply_open_compat(fuse_req_t req, |
| 1094 | const struct fuse_file_info_compat *f) |
| 1095 | { |
| 1096 | struct fuse_open_out arg; |
| 1097 | |
| 1098 | memset(&arg, 0, sizeof(arg)); |
| 1099 | fill_open_compat(&arg, f); |
| 1100 | return send_reply_ok(req, &arg, sizeof(arg)); |
| 1101 | } |
| 1102 | |
| 1103 | int fuse_reply_statfs_compat(fuse_req_t req, const struct statfs *stbuf) |
| 1104 | { |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 1105 | struct statvfs newbuf; |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1106 | |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 1107 | memset(&newbuf, 0, sizeof(newbuf)); |
| 1108 | convert_statfs_compat(stbuf, &newbuf); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1109 | |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 1110 | return fuse_reply_statfs(req, &newbuf); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1111 | } |
| 1112 | |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 1113 | struct fuse_session *fuse_lowlevel_new_compat(const char *opts, |
| 1114 | const struct fuse_lowlevel_ops *op, |
| 1115 | size_t op_size, void *userdata) |
| 1116 | { |
| 1117 | struct fuse_session *se; |
| 1118 | struct fuse_args args = FUSE_ARGS_INIT(0, NULL); |
| 1119 | |
| 1120 | if (opts && |
| 1121 | (fuse_opt_add_arg(&args, "") == -1 || |
| 1122 | fuse_opt_add_arg(&args, "-o") == -1 || |
| 1123 | fuse_opt_add_arg(&args, opts) == -1)) { |
| 1124 | fuse_opt_free_args(&args); |
| 1125 | return NULL; |
| 1126 | } |
| 1127 | se = fuse_lowlevel_new(&args, op, op_size, userdata); |
| 1128 | fuse_opt_free_args(&args); |
| 1129 | |
| 1130 | return se; |
| 1131 | } |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1132 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 1133 | struct fuse_ll_compat_conf { |
| 1134 | unsigned max_read; |
| 1135 | int set_max_read; |
| 1136 | }; |
| 1137 | |
| 1138 | static const struct fuse_opt fuse_ll_opts_compat[] = { |
| 1139 | { "max_read=", offsetof(struct fuse_ll_compat_conf, set_max_read), 1 }, |
| 1140 | { "max_read=%u", offsetof(struct fuse_ll_compat_conf, max_read), 0 }, |
| 1141 | FUSE_OPT_KEY("max_read=", FUSE_OPT_KEY_KEEP), |
| 1142 | FUSE_OPT_END |
| 1143 | }; |
| 1144 | |
| 1145 | int fuse_sync_compat_args(struct fuse_args *args) |
| 1146 | { |
| 1147 | struct fuse_ll_compat_conf conf; |
| 1148 | |
Miklos Szeredi | 67d26d4 | 2006-03-13 17:39:56 +0000 | [diff] [blame^] | 1149 | memset(&conf, 0, sizeof(conf)); |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 1150 | if (fuse_opt_parse(args, &conf, fuse_ll_opts_compat, NULL) == -1) |
| 1151 | return -1; |
| 1152 | |
| 1153 | if (fuse_opt_insert_arg(args, 1, "-osync_read")) |
| 1154 | return -1; |
| 1155 | |
| 1156 | if (conf.set_max_read) { |
| 1157 | char tmpbuf[64]; |
| 1158 | |
| 1159 | sprintf(tmpbuf, "-omax_readahead=%u", conf.max_read); |
| 1160 | if (fuse_opt_insert_arg(args, 1, tmpbuf) == -1) |
| 1161 | return -1; |
| 1162 | } |
| 1163 | return 0; |
| 1164 | } |
| 1165 | |
Miklos Szeredi | d65cdfe | 2006-02-15 14:25:17 +0000 | [diff] [blame] | 1166 | __asm__(".symver fuse_reply_statfs_compat,fuse_reply_statfs@FUSE_2.4"); |
| 1167 | __asm__(".symver fuse_reply_open_compat,fuse_reply_open@FUSE_2.4"); |
| 1168 | __asm__(".symver fuse_lowlevel_new_compat,fuse_lowlevel_new@FUSE_2.4"); |
| 1169 | |
| 1170 | #else /* __FreeBSD__ */ |
| 1171 | |
| 1172 | int fuse_sync_compat_args(struct fuse_args *args) |
| 1173 | { |
| 1174 | (void) args; |
| 1175 | return 0; |
| 1176 | } |
| 1177 | |
| 1178 | #endif /* __FreeBSD__ */ |
| 1179 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 1180 | struct fuse_session *fuse_lowlevel_new_compat25(struct fuse_args *args, |
| 1181 | const struct fuse_lowlevel_ops_compat25 *op, |
| 1182 | size_t op_size, void *userdata) |
| 1183 | { |
| 1184 | if (fuse_sync_compat_args(args) == -1) |
| 1185 | return NULL; |
| 1186 | |
Miklos Szeredi | d65cdfe | 2006-02-15 14:25:17 +0000 | [diff] [blame] | 1187 | return fuse_lowlevel_new_common(args, |
| 1188 | (const struct fuse_lowlevel_ops *) op, |
| 1189 | op_size, userdata); |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 1190 | } |
| 1191 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 1192 | __asm__(".symver fuse_lowlevel_new_compat25,fuse_lowlevel_new@FUSE_2.5"); |