Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1 | /* |
| 2 | FUSE: Filesystem in Userspace |
Miklos Szeredi | 149f607 | 2005-01-10 12:29:28 +0000 | [diff] [blame] | 3 | Copyright (C) 2001-2005 Miklos Szeredi <miklos@szeredi.hu> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 4 | |
Miklos Szeredi | 8b39a9f | 2002-10-25 12:41:16 +0000 | [diff] [blame] | 5 | This program can be distributed under the terms of the GNU LGPL. |
| 6 | See the file COPYING.LIB |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
Miklos Szeredi | cb26451 | 2004-06-23 18:52:50 +0000 | [diff] [blame] | 9 | #include <config.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 10 | #include "fuse_i.h" |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 11 | #include "fuse_compat.h" |
Miklos Szeredi | b9b94cd | 2004-12-01 18:56:39 +0000 | [diff] [blame] | 12 | #include "fuse_kernel.h" |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 13 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 14 | #include <stdio.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 15 | #include <string.h> |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 16 | #include <stdlib.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 17 | #include <unistd.h> |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 18 | #include <limits.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 19 | #include <errno.h> |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 20 | #include <assert.h> |
| 21 | #include <stdint.h> |
Miklos Szeredi | 019b4e9 | 2001-12-26 18:08:09 +0000 | [diff] [blame] | 22 | #include <sys/param.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 23 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 24 | /* FUSE flags: */ |
| 25 | |
| 26 | /** Enable debuging output */ |
| 27 | #define FUSE_DEBUG (1 << 1) |
| 28 | |
| 29 | /** If a file is removed but it's still open, don't hide the file but |
| 30 | remove it immediately */ |
| 31 | #define FUSE_HARD_REMOVE (1 << 2) |
| 32 | |
| 33 | /** Use st_ino field in getattr instead of generating inode numbers */ |
| 34 | #define FUSE_USE_INO (1 << 3) |
| 35 | |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 36 | #define FUSE_KERNEL_MINOR_VERSION_NEED 1 |
Miklos Szeredi | a25d4c2 | 2004-11-23 22:32:16 +0000 | [diff] [blame] | 37 | #define FUSE_VERSION_FILE_OLD "/proc/fs/fuse/version" |
Miklos Szeredi | 162bcbb | 2004-11-29 23:43:44 +0000 | [diff] [blame] | 38 | #define FUSE_VERSION_FILE_NEW "/sys/fs/fuse/version" |
Miklos Szeredi | a25d4c2 | 2004-11-23 22:32:16 +0000 | [diff] [blame] | 39 | #define FUSE_DEV_OLD "/proc/fs/fuse/dev" |
| 40 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 41 | #define FUSE_MAX_PATH 4096 |
Miklos Szeredi | 6bf8b68 | 2002-10-28 08:49:39 +0000 | [diff] [blame] | 42 | #define PARAM(inarg) (((char *)(inarg)) + sizeof(*inarg)) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 43 | |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 44 | #define ENTRY_REVALIDATE_TIME 1 /* sec */ |
| 45 | #define ATTR_REVALIDATE_TIME 1 /* sec */ |
| 46 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 47 | |
| 48 | struct node { |
| 49 | struct node *name_next; |
| 50 | struct node *id_next; |
| 51 | nodeid_t nodeid; |
| 52 | unsigned int generation; |
| 53 | int refctr; |
| 54 | nodeid_t parent; |
| 55 | char *name; |
| 56 | uint64_t version; |
| 57 | int open_count; |
| 58 | int is_hidden; |
| 59 | }; |
| 60 | |
| 61 | struct fuse_dirhandle { |
| 62 | struct fuse *fuse; |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 63 | unsigned char *contents; |
| 64 | unsigned len; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 65 | int filled; |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 66 | unsigned long fh; |
| 67 | }; |
| 68 | |
| 69 | struct fuse_dirbuf { |
| 70 | struct fuse *fuse; |
| 71 | char *buf; |
| 72 | unsigned len; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 73 | }; |
| 74 | |
| 75 | struct fuse_cmd { |
| 76 | char *buf; |
| 77 | size_t buflen; |
| 78 | }; |
| 79 | |
| 80 | |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 81 | static struct fuse_context *(*fuse_getcontext)(void) = NULL; |
| 82 | |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 83 | static const char *opname(enum fuse_opcode opcode) |
| 84 | { |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 85 | switch (opcode) { |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 86 | case FUSE_LOOKUP: return "LOOKUP"; |
| 87 | case FUSE_FORGET: return "FORGET"; |
| 88 | case FUSE_GETATTR: return "GETATTR"; |
| 89 | case FUSE_SETATTR: return "SETATTR"; |
| 90 | case FUSE_READLINK: return "READLINK"; |
| 91 | case FUSE_SYMLINK: return "SYMLINK"; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 92 | case FUSE_MKNOD: return "MKNOD"; |
| 93 | case FUSE_MKDIR: return "MKDIR"; |
| 94 | case FUSE_UNLINK: return "UNLINK"; |
| 95 | case FUSE_RMDIR: return "RMDIR"; |
| 96 | case FUSE_RENAME: return "RENAME"; |
| 97 | case FUSE_LINK: return "LINK"; |
| 98 | case FUSE_OPEN: return "OPEN"; |
| 99 | case FUSE_READ: return "READ"; |
| 100 | case FUSE_WRITE: return "WRITE"; |
| 101 | case FUSE_STATFS: return "STATFS"; |
Miklos Szeredi | 99f2074 | 2004-05-19 08:01:10 +0000 | [diff] [blame] | 102 | case FUSE_FLUSH: return "FLUSH"; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 103 | case FUSE_RELEASE: return "RELEASE"; |
| 104 | case FUSE_FSYNC: return "FSYNC"; |
| 105 | case FUSE_SETXATTR: return "SETXATTR"; |
| 106 | case FUSE_GETXATTR: return "GETXATTR"; |
| 107 | case FUSE_LISTXATTR: return "LISTXATTR"; |
| 108 | case FUSE_REMOVEXATTR: return "REMOVEXATTR"; |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 109 | case FUSE_INIT: return "INIT"; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 110 | case FUSE_OPENDIR: return "OPENDIR"; |
| 111 | case FUSE_READDIR: return "READDIR"; |
| 112 | case FUSE_RELEASEDIR: return "RELEASEDIR"; |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 113 | case FUSE_FSYNCDIR: return "FSYNCDIR"; |
Miklos Szeredi | 99f2074 | 2004-05-19 08:01:10 +0000 | [diff] [blame] | 114 | default: return "???"; |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 115 | } |
| 116 | } |
| 117 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 118 | static inline void fuse_dec_avail(struct fuse *f) |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 119 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 120 | pthread_mutex_lock(&f->worker_lock); |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 121 | f->numavail --; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 122 | pthread_mutex_unlock(&f->worker_lock); |
| 123 | } |
| 124 | |
| 125 | static inline void fuse_inc_avail(struct fuse *f) |
| 126 | { |
| 127 | pthread_mutex_lock(&f->worker_lock); |
| 128 | f->numavail ++; |
| 129 | pthread_mutex_unlock(&f->worker_lock); |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 130 | } |
| 131 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 132 | static struct node *get_node_nocheck(struct fuse *f, nodeid_t nodeid) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 133 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 134 | size_t hash = nodeid % f->id_table_size; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 135 | struct node *node; |
| 136 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 137 | for (node = f->id_table[hash]; node != NULL; node = node->id_next) |
| 138 | if (node->nodeid == nodeid) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 139 | return node; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 140 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 141 | return NULL; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 142 | } |
| 143 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 144 | static struct node *get_node(struct fuse *f, nodeid_t nodeid) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 145 | { |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 146 | struct node *node = get_node_nocheck(f, nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 147 | if (!node) { |
| 148 | fprintf(stderr, "fuse internal error: node %lu not found\n", |
| 149 | nodeid); |
| 150 | abort(); |
| 151 | } |
| 152 | return node; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 153 | } |
| 154 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 155 | static void free_node(struct node *node) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 156 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 157 | free(node->name); |
| 158 | free(node); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 159 | } |
| 160 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 161 | static void unhash_id(struct fuse *f, struct node *node) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 162 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 163 | size_t hash = node->nodeid % f->id_table_size; |
| 164 | struct node **nodep = &f->id_table[hash]; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 165 | |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 166 | for (; *nodep != NULL; nodep = &(*nodep)->id_next) |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 167 | if (*nodep == node) { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 168 | *nodep = node->id_next; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 169 | return; |
| 170 | } |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 171 | } |
| 172 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 173 | static void hash_id(struct fuse *f, struct node *node) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 174 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 175 | size_t hash = node->nodeid % f->id_table_size; |
| 176 | node->id_next = f->id_table[hash]; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 177 | f->id_table[hash] = node; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 178 | } |
| 179 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 180 | static unsigned int name_hash(struct fuse *f, nodeid_t parent, const char *name) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 181 | { |
| 182 | unsigned int hash = *name; |
| 183 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 184 | if (hash) |
| 185 | for (name += 1; *name != '\0'; name++) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 186 | hash = (hash << 5) - hash + *name; |
| 187 | |
| 188 | return (hash + parent) % f->name_table_size; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 189 | } |
| 190 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 191 | static void unref_node(struct fuse *f, struct node *node); |
| 192 | |
| 193 | static void unhash_name(struct fuse *f, struct node *node) |
| 194 | { |
| 195 | if (node->name) { |
| 196 | size_t hash = name_hash(f, node->parent, node->name); |
| 197 | struct node **nodep = &f->name_table[hash]; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 198 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 199 | for (; *nodep != NULL; nodep = &(*nodep)->name_next) |
| 200 | if (*nodep == node) { |
| 201 | *nodep = node->name_next; |
| 202 | node->name_next = NULL; |
| 203 | unref_node(f, get_node(f, node->parent)); |
| 204 | free(node->name); |
| 205 | node->name = NULL; |
| 206 | node->parent = 0; |
| 207 | return; |
| 208 | } |
| 209 | fprintf(stderr, "fuse internal error: unable to unhash node: %lu\n", |
| 210 | node->nodeid); |
| 211 | abort(); |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | static int hash_name(struct fuse *f, struct node *node, nodeid_t parent, |
| 216 | const char *name) |
| 217 | { |
| 218 | size_t hash = name_hash(f, parent, name); |
| 219 | node->name = strdup(name); |
| 220 | if (node->name == NULL) |
| 221 | return -1; |
| 222 | |
| 223 | get_node(f, parent)->refctr ++; |
| 224 | node->parent = parent; |
| 225 | node->name_next = f->name_table[hash]; |
| 226 | f->name_table[hash] = node; |
| 227 | return 0; |
| 228 | } |
| 229 | |
| 230 | static void delete_node(struct fuse *f, struct node *node) |
| 231 | { |
| 232 | assert(!node->name); |
| 233 | unhash_id(f, node); |
| 234 | free_node(node); |
| 235 | } |
| 236 | |
| 237 | static void unref_node(struct fuse *f, struct node *node) |
| 238 | { |
| 239 | assert(node->refctr > 0); |
| 240 | node->refctr --; |
| 241 | if (!node->refctr) |
| 242 | delete_node(f, node); |
| 243 | } |
| 244 | |
| 245 | static nodeid_t next_id(struct fuse *f) |
| 246 | { |
| 247 | do { |
| 248 | f->ctr++; |
| 249 | if (!f->ctr) |
| 250 | f->generation ++; |
| 251 | } while (f->ctr == 0 || get_node_nocheck(f, f->ctr) != NULL); |
| 252 | return f->ctr; |
| 253 | } |
| 254 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 255 | static struct node *lookup_node(struct fuse *f, nodeid_t parent, |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 256 | const char *name) |
| 257 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 258 | size_t hash = name_hash(f, parent, name); |
| 259 | struct node *node; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 260 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 261 | for (node = f->name_table[hash]; node != NULL; node = node->name_next) |
| 262 | if (node->parent == parent && strcmp(node->name, name) == 0) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 263 | return node; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 264 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 265 | return NULL; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 266 | } |
| 267 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 268 | static struct node *find_node(struct fuse *f, nodeid_t parent, char *name, |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 269 | struct fuse_attr *attr, uint64_t version) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 270 | { |
| 271 | struct node *node; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 272 | int mode = attr->mode & S_IFMT; |
| 273 | int rdev = 0; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 274 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 275 | if (S_ISCHR(mode) || S_ISBLK(mode)) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 276 | rdev = attr->rdev; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 277 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 278 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 279 | node = lookup_node(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 280 | if (node != NULL) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 281 | if (!(f->flags & FUSE_USE_INO)) |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 282 | attr->ino = node->nodeid; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 283 | } else { |
| 284 | node = (struct node *) calloc(1, sizeof(struct node)); |
| 285 | if (node == NULL) |
| 286 | goto out_err; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 287 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 288 | node->refctr = 1; |
| 289 | node->nodeid = next_id(f); |
| 290 | if (!(f->flags & FUSE_USE_INO)) |
| 291 | attr->ino = node->nodeid; |
| 292 | node->open_count = 0; |
| 293 | node->is_hidden = 0; |
| 294 | node->generation = f->generation; |
| 295 | if (hash_name(f, node, parent, name) == -1) { |
| 296 | free(node); |
| 297 | node = NULL; |
| 298 | goto out_err; |
| 299 | } |
| 300 | hash_id(f, node); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 301 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 302 | node->version = version; |
Miklos Szeredi | c230991 | 2004-09-21 13:40:38 +0000 | [diff] [blame] | 303 | out_err: |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 304 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 305 | return node; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 306 | } |
| 307 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 308 | static char *add_name(char *buf, char *s, const char *name) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 309 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 310 | size_t len = strlen(name); |
| 311 | s -= len; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 312 | if (s <= buf) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 313 | fprintf(stderr, "fuse: path too long: ...%s\n", s + len); |
| 314 | return NULL; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 315 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 316 | strncpy(s, name, len); |
| 317 | s--; |
| 318 | *s = '/'; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 319 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 320 | return s; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 321 | } |
| 322 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 323 | static char *get_path_name(struct fuse *f, nodeid_t nodeid, const char *name) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 324 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 325 | char buf[FUSE_MAX_PATH]; |
| 326 | char *s = buf + FUSE_MAX_PATH - 1; |
| 327 | struct node *node; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 328 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 329 | *s = '\0'; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 330 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 331 | if (name != NULL) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 332 | s = add_name(buf, s, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 333 | if (s == NULL) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 334 | return NULL; |
| 335 | } |
| 336 | |
| 337 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 338 | for (node = get_node(f, nodeid); node && node->nodeid != FUSE_ROOT_ID; |
| 339 | node = get_node(f, node->parent)) { |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 340 | if (node->name == NULL) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 341 | s = NULL; |
| 342 | break; |
| 343 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 344 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 345 | s = add_name(buf, s, node->name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 346 | if (s == NULL) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 347 | break; |
| 348 | } |
| 349 | pthread_mutex_unlock(&f->lock); |
| 350 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 351 | if (node == NULL || s == NULL) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 352 | return NULL; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 353 | else if (*s == '\0') |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 354 | return strdup("/"); |
| 355 | else |
| 356 | return strdup(s); |
| 357 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 358 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 359 | static char *get_path(struct fuse *f, nodeid_t nodeid) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 360 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 361 | return get_path_name(f, nodeid, NULL); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 362 | } |
| 363 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 364 | static void forget_node(struct fuse *f, nodeid_t nodeid, uint64_t version) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 365 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 366 | struct node *node; |
| 367 | |
| 368 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 369 | node = get_node(f, nodeid); |
| 370 | if (node->version == version && nodeid != FUSE_ROOT_ID) { |
| 371 | node->version = 0; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 372 | unhash_name(f, node); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 373 | unref_node(f, node); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 374 | } |
| 375 | pthread_mutex_unlock(&f->lock); |
| 376 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 377 | } |
| 378 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 379 | static void remove_node(struct fuse *f, nodeid_t dir, const char *name) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 380 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 381 | struct node *node; |
| 382 | |
| 383 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 384 | node = lookup_node(f, dir, name); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 385 | if (node != NULL) |
| 386 | unhash_name(f, node); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 387 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 388 | } |
| 389 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 390 | static int rename_node(struct fuse *f, nodeid_t olddir, const char *oldname, |
| 391 | nodeid_t newdir, const char *newname, int hide) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 392 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 393 | struct node *node; |
| 394 | struct node *newnode; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 395 | int err = 0; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 396 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 397 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 398 | node = lookup_node(f, olddir, oldname); |
| 399 | newnode = lookup_node(f, newdir, newname); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 400 | if (node == NULL) |
| 401 | goto out; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 402 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 403 | if (newnode != NULL) { |
| 404 | if (hide) { |
| 405 | fprintf(stderr, "fuse: hidden file got created during hiding\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 406 | err = -EBUSY; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 407 | goto out; |
| 408 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 409 | unhash_name(f, newnode); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 410 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 411 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 412 | unhash_name(f, node); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 413 | if (hash_name(f, node, newdir, newname) == -1) { |
| 414 | err = -ENOMEM; |
| 415 | goto out; |
| 416 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 417 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 418 | if (hide) |
| 419 | node->is_hidden = 1; |
| 420 | |
| 421 | out: |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 422 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 423 | return err; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 424 | } |
| 425 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 426 | static void convert_stat(struct stat *stbuf, struct fuse_attr *attr) |
| 427 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 428 | attr->ino = stbuf->st_ino; |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 429 | attr->mode = stbuf->st_mode; |
| 430 | attr->nlink = stbuf->st_nlink; |
| 431 | attr->uid = stbuf->st_uid; |
| 432 | attr->gid = stbuf->st_gid; |
| 433 | attr->rdev = stbuf->st_rdev; |
| 434 | attr->size = stbuf->st_size; |
| 435 | attr->blocks = stbuf->st_blocks; |
| 436 | attr->atime = stbuf->st_atime; |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 437 | attr->mtime = stbuf->st_mtime; |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 438 | attr->ctime = stbuf->st_ctime; |
Miklos Szeredi | cb26451 | 2004-06-23 18:52:50 +0000 | [diff] [blame] | 439 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
| 440 | attr->atimensec = stbuf->st_atim.tv_nsec; |
| 441 | attr->mtimensec = stbuf->st_mtim.tv_nsec; |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 442 | attr->ctimensec = stbuf->st_ctim.tv_nsec; |
Miklos Szeredi | cb26451 | 2004-06-23 18:52:50 +0000 | [diff] [blame] | 443 | #endif |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 444 | } |
| 445 | |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 446 | static int fill_dir5(void *buf, const char *name, int type, ino_t ino, |
| 447 | off_t off) |
| 448 | { |
| 449 | size_t namelen = strlen(name); |
| 450 | size_t size; |
| 451 | struct fuse_dirbuf *db = (struct fuse_dirbuf *) buf; |
| 452 | struct fuse_dirent *dirent; |
| 453 | |
| 454 | if (db->len <= FUSE_NAME_OFFSET) |
| 455 | return 1; |
| 456 | |
| 457 | dirent = (struct fuse_dirent *) db->buf; |
| 458 | if ((db->fuse->flags & FUSE_USE_INO)) |
| 459 | dirent->ino = ino; |
| 460 | else |
| 461 | dirent->ino = (unsigned long) -1; |
| 462 | dirent->off = off; |
| 463 | dirent->namelen = namelen; |
| 464 | dirent->type = type; |
| 465 | size = FUSE_DIRENT_SIZE(dirent); |
| 466 | if (db->len < size) |
| 467 | return 1; |
| 468 | |
| 469 | strncpy(dirent->name, name, namelen); |
| 470 | db->len -= size; |
| 471 | db->buf += size; |
| 472 | return db->len > FUSE_NAME_OFFSET ? 0 : 1; |
| 473 | } |
| 474 | |
Miklos Szeredi | 8fb48fe | 2004-11-08 14:48:52 +0000 | [diff] [blame] | 475 | static int fill_dir(struct fuse_dirhandle *dh, const char *name, int type, |
| 476 | ino_t ino) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 477 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 478 | size_t namelen = strlen(name); |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 479 | size_t entsize = sizeof(struct fuse_dirhandle) + namelen + 8; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 480 | struct fuse_dirent *dirent; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 481 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 482 | if (namelen > FUSE_NAME_MAX) |
| 483 | namelen = FUSE_NAME_MAX; |
| 484 | |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 485 | dh->contents = realloc(dh->contents, dh->len + entsize); |
| 486 | if (dh->contents == NULL) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 487 | return -ENOMEM; |
| 488 | |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 489 | dirent = (struct fuse_dirent *) (dh->contents + dh->len); |
| 490 | memset(dirent, 0, entsize); |
Miklos Szeredi | 8fb48fe | 2004-11-08 14:48:52 +0000 | [diff] [blame] | 491 | if ((dh->fuse->flags & FUSE_USE_INO)) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 492 | dirent->ino = ino; |
Miklos Szeredi | 8fb48fe | 2004-11-08 14:48:52 +0000 | [diff] [blame] | 493 | else |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 494 | dirent->ino = (unsigned long) -1; |
| 495 | dirent->namelen = namelen; |
| 496 | strncpy(dirent->name, name, namelen); |
| 497 | dirent->type = type; |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 498 | dh->len += FUSE_DIRENT_SIZE(dirent); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 499 | dirent->off = dh->len; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 500 | return 0; |
| 501 | } |
| 502 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 503 | static int send_reply_raw(struct fuse *f, char *outbuf, size_t outsize) |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 504 | { |
| 505 | int res; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 506 | struct fuse_out_header *out = (struct fuse_out_header *) outbuf; |
| 507 | out->len = outsize; |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 508 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 509 | if ((f->flags & FUSE_DEBUG)) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 510 | printf(" unique: %llu, error: %i (%s), outsize: %i\n", |
| 511 | out->unique, out->error, strerror(-out->error), outsize); |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 512 | fflush(stdout); |
| 513 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 514 | |
Miklos Szeredi | 4e71c9f | 2004-02-09 12:05:14 +0000 | [diff] [blame] | 515 | /* This needs to be done before the reply, otherwise the scheduler |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 516 | could play tricks with us, and only let the counter be |
| 517 | increased long after the operation is done */ |
| 518 | fuse_inc_avail(f); |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 519 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 520 | res = write(f->fd, outbuf, outsize); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 521 | if (res == -1) { |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 522 | /* ENOENT means the operation was interrupted */ |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 523 | if (!f->exited && errno != ENOENT) |
Miklos Szeredi | 9624998 | 2001-11-21 12:21:19 +0000 | [diff] [blame] | 524 | perror("fuse: writing device"); |
Miklos Szeredi | 40b9a5a | 2002-12-10 16:09:02 +0000 | [diff] [blame] | 525 | return -errno; |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 526 | } |
Miklos Szeredi | 40b9a5a | 2002-12-10 16:09:02 +0000 | [diff] [blame] | 527 | return 0; |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 528 | } |
| 529 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 530 | static int send_reply(struct fuse *f, struct fuse_in_header *in, int error, |
| 531 | void *arg, size_t argsize) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 532 | { |
Miklos Szeredi | 40b9a5a | 2002-12-10 16:09:02 +0000 | [diff] [blame] | 533 | int res; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 534 | char *outbuf; |
| 535 | size_t outsize; |
| 536 | struct fuse_out_header *out; |
| 537 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 538 | if (error <= -1000 || error > 0) { |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 539 | fprintf(stderr, "fuse: bad error value: %i\n", error); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 540 | error = -ERANGE; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 541 | } |
| 542 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 543 | if (error) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 544 | argsize = 0; |
| 545 | |
| 546 | outsize = sizeof(struct fuse_out_header) + argsize; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 547 | outbuf = (char *) malloc(outsize); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 548 | if (outbuf == NULL) { |
| 549 | fprintf(stderr, "fuse: failed to allocate reply buffer\n"); |
| 550 | res = -ENOMEM; |
| 551 | } else { |
| 552 | out = (struct fuse_out_header *) outbuf; |
| 553 | memset(out, 0, sizeof(struct fuse_out_header)); |
| 554 | out->unique = in->unique; |
| 555 | out->error = error; |
| 556 | if (argsize != 0) |
| 557 | memcpy(outbuf + sizeof(struct fuse_out_header), arg, argsize); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 558 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 559 | res = send_reply_raw(f, outbuf, outsize); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 560 | free(outbuf); |
| 561 | } |
Miklos Szeredi | 40b9a5a | 2002-12-10 16:09:02 +0000 | [diff] [blame] | 562 | |
| 563 | return res; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 564 | } |
| 565 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 566 | static int is_open(struct fuse *f, nodeid_t dir, const char *name) |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 567 | { |
| 568 | struct node *node; |
| 569 | int isopen = 0; |
| 570 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 571 | node = lookup_node(f, dir, name); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 572 | if (node && node->open_count > 0) |
| 573 | isopen = 1; |
| 574 | pthread_mutex_unlock(&f->lock); |
| 575 | return isopen; |
| 576 | } |
| 577 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 578 | static char *hidden_name(struct fuse *f, nodeid_t dir, const char *oldname, |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 579 | char *newname, size_t bufsize) |
| 580 | { |
| 581 | struct stat buf; |
| 582 | struct node *node; |
| 583 | struct node *newnode; |
| 584 | char *newpath; |
| 585 | int res; |
| 586 | int failctr = 10; |
| 587 | |
| 588 | if (!f->op.getattr) |
| 589 | return NULL; |
| 590 | |
| 591 | do { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 592 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 593 | node = lookup_node(f, dir, oldname); |
| 594 | if (node == NULL) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 595 | pthread_mutex_unlock(&f->lock); |
| 596 | return NULL; |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 597 | } |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 598 | do { |
| 599 | f->hidectr ++; |
| 600 | snprintf(newname, bufsize, ".fuse_hidden%08x%08x", |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 601 | (unsigned int) node->nodeid, f->hidectr); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 602 | newnode = lookup_node(f, dir, newname); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 603 | } while(newnode); |
| 604 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 605 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 606 | newpath = get_path_name(f, dir, newname); |
| 607 | if (!newpath) |
| 608 | break; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 609 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 610 | res = f->op.getattr(newpath, &buf); |
| 611 | if (res != 0) |
| 612 | break; |
| 613 | free(newpath); |
| 614 | newpath = NULL; |
| 615 | } while(--failctr); |
| 616 | |
| 617 | return newpath; |
| 618 | } |
| 619 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 620 | static int hide_node(struct fuse *f, const char *oldpath, nodeid_t dir, |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 621 | const char *oldname) |
| 622 | { |
| 623 | char newname[64]; |
| 624 | char *newpath; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 625 | int err = -EBUSY; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 626 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 627 | if (f->op.rename && f->op.unlink) { |
| 628 | newpath = hidden_name(f, dir, oldname, newname, sizeof(newname)); |
| 629 | if (newpath) { |
| 630 | int res = f->op.rename(oldpath, newpath); |
| 631 | if (res == 0) |
| 632 | err = rename_node(f, dir, oldname, dir, newname, 1); |
| 633 | free(newpath); |
| 634 | } |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 635 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 636 | return err; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 637 | } |
| 638 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 639 | static int lookup_path(struct fuse *f, nodeid_t nodeid, uint64_t version, |
| 640 | char *name, const char *path, |
| 641 | struct fuse_entry_out *arg) |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 642 | { |
| 643 | int res; |
| 644 | struct stat buf; |
| 645 | |
| 646 | res = f->op.getattr(path, &buf); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 647 | if (res == 0) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 648 | struct node *node; |
| 649 | |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 650 | memset(arg, 0, sizeof(struct fuse_entry_out)); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 651 | convert_stat(&buf, &arg->attr); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 652 | node = find_node(f, nodeid, name, &arg->attr, version); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 653 | if (node == NULL) |
| 654 | res = -ENOMEM; |
| 655 | else { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 656 | arg->nodeid = node->nodeid; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 657 | arg->generation = node->generation; |
| 658 | arg->entry_valid = ENTRY_REVALIDATE_TIME; |
| 659 | arg->entry_valid_nsec = 0; |
| 660 | arg->attr_valid = ATTR_REVALIDATE_TIME; |
| 661 | arg->attr_valid_nsec = 0; |
| 662 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 663 | printf(" NODEID: %lu\n", (unsigned long) arg->nodeid); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 664 | fflush(stdout); |
| 665 | } |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 666 | } |
| 667 | } |
| 668 | return res; |
| 669 | } |
| 670 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 671 | static void do_lookup(struct fuse *f, struct fuse_in_header *in, char *name) |
| 672 | { |
| 673 | int res; |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 674 | int res2; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 675 | char *path; |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 676 | struct fuse_entry_out arg; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 677 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 678 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 679 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 680 | if (path != NULL) { |
| 681 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 682 | printf("LOOKUP %s\n", path); |
| 683 | fflush(stdout); |
| 684 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 685 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 686 | if (f->op.getattr) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 687 | res = lookup_path(f, in->nodeid, in->unique, name, path, &arg); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 688 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 689 | } |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 690 | res2 = send_reply(f, in, res, &arg, sizeof(arg)); |
| 691 | if (res == 0 && res2 == -ENOENT) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 692 | forget_node(f, arg.nodeid, in->unique); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 693 | } |
| 694 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 695 | static void do_forget(struct fuse *f, struct fuse_in_header *in, |
| 696 | struct fuse_forget_in *arg) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 697 | { |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 698 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 699 | printf("FORGET %lu/%llu\n", (unsigned long) in->nodeid, |
| 700 | arg->version); |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 701 | fflush(stdout); |
| 702 | } |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 703 | forget_node(f, in->nodeid, arg->version); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 704 | } |
| 705 | |
| 706 | static void do_getattr(struct fuse *f, struct fuse_in_header *in) |
| 707 | { |
| 708 | int res; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 709 | char *path; |
| 710 | struct stat buf; |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 711 | struct fuse_attr_out arg; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 712 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 713 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 714 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 715 | if (path != NULL) { |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 716 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 717 | if (f->op.getattr) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 718 | res = f->op.getattr(path, &buf); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 719 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 720 | } |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 721 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 722 | if (res == 0) { |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 723 | memset(&arg, 0, sizeof(struct fuse_attr_out)); |
| 724 | arg.attr_valid = ATTR_REVALIDATE_TIME; |
| 725 | arg.attr_valid_nsec = 0; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 726 | convert_stat(&buf, &arg.attr); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 727 | if (!(f->flags & FUSE_USE_INO)) |
| 728 | arg.attr.ino = in->nodeid; |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 729 | } |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 730 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 731 | send_reply(f, in, res, &arg, sizeof(arg)); |
| 732 | } |
| 733 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 734 | static int do_chmod(struct fuse *f, const char *path, struct fuse_attr *attr) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 735 | { |
| 736 | int res; |
| 737 | |
| 738 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 739 | if (f->op.chmod) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 740 | res = f->op.chmod(path, attr->mode); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 741 | |
| 742 | return res; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 743 | } |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 744 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 745 | static int do_chown(struct fuse *f, const char *path, struct fuse_attr *attr, |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 746 | int valid) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 747 | { |
| 748 | int res; |
| 749 | uid_t uid = (valid & FATTR_UID) ? attr->uid : (uid_t) -1; |
| 750 | gid_t gid = (valid & FATTR_GID) ? attr->gid : (gid_t) -1; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 751 | |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 752 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 753 | if (f->op.chown) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 754 | res = f->op.chown(path, uid, gid); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 755 | |
| 756 | return res; |
| 757 | } |
| 758 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 759 | static int do_truncate(struct fuse *f, const char *path, |
| 760 | struct fuse_attr *attr) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 761 | { |
| 762 | int res; |
| 763 | |
| 764 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 765 | if (f->op.truncate) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 766 | res = f->op.truncate(path, attr->size); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 767 | |
| 768 | return res; |
| 769 | } |
| 770 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 771 | static int do_utime(struct fuse *f, const char *path, struct fuse_attr *attr) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 772 | { |
| 773 | int res; |
| 774 | struct utimbuf buf; |
| 775 | buf.actime = attr->atime; |
| 776 | buf.modtime = attr->mtime; |
| 777 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 778 | if (f->op.utime) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 779 | res = f->op.utime(path, &buf); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 780 | |
| 781 | return res; |
| 782 | } |
| 783 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 784 | static void do_setattr(struct fuse *f, struct fuse_in_header *in, |
| 785 | struct fuse_setattr_in *arg) |
| 786 | { |
| 787 | int res; |
| 788 | char *path; |
| 789 | int valid = arg->valid; |
| 790 | struct fuse_attr *attr = &arg->attr; |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 791 | struct fuse_attr_out outarg; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 792 | |
| 793 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 794 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 795 | if (path != NULL) { |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 796 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 797 | if (f->op.getattr) { |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 798 | res = 0; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 799 | if (!res && (valid & FATTR_MODE)) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 800 | res = do_chmod(f, path, attr); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 801 | if (!res && (valid & (FATTR_UID | FATTR_GID))) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 802 | res = do_chown(f, path, attr, valid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 803 | if (!res && (valid & FATTR_SIZE)) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 804 | res = do_truncate(f, path, attr); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 805 | if (!res && (valid & (FATTR_ATIME | FATTR_MTIME)) == |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 806 | (FATTR_ATIME | FATTR_MTIME)) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 807 | res = do_utime(f, path, attr); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 808 | if (!res) { |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 809 | struct stat buf; |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 810 | res = f->op.getattr(path, &buf); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 811 | if (!res) { |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 812 | memset(&outarg, 0, sizeof(struct fuse_attr_out)); |
| 813 | outarg.attr_valid = ATTR_REVALIDATE_TIME; |
| 814 | outarg.attr_valid_nsec = 0; |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 815 | convert_stat(&buf, &outarg.attr); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 816 | if (!(f->flags & FUSE_USE_INO)) |
| 817 | outarg.attr.ino = in->nodeid; |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 818 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 819 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 820 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 821 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 822 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 823 | send_reply(f, in, res, &outarg, sizeof(outarg)); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 824 | } |
| 825 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 826 | static void do_readlink(struct fuse *f, struct fuse_in_header *in) |
| 827 | { |
| 828 | int res; |
| 829 | char link[PATH_MAX + 1]; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 830 | char *path; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 831 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 832 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 833 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 834 | if (path != NULL) { |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 835 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 836 | if (f->op.readlink) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 837 | res = f->op.readlink(path, link, sizeof(link)); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 838 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 839 | } |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 840 | link[PATH_MAX] = '\0'; |
Miklos Szeredi | 4b2bef4 | 2002-01-09 12:23:27 +0000 | [diff] [blame] | 841 | send_reply(f, in, res, link, res == 0 ? strlen(link) : 0); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 842 | } |
| 843 | |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 844 | static int common_getdir(struct fuse *f, struct fuse_in_header *in, |
| 845 | struct fuse_dirhandle *dh) |
| 846 | { |
| 847 | int res; |
| 848 | char *path; |
| 849 | |
| 850 | res = -ENOENT; |
| 851 | path = get_path(f, in->nodeid); |
| 852 | if (path != NULL) { |
| 853 | res = -ENOSYS; |
| 854 | if (f->op.getdir) |
| 855 | res = f->op.getdir(path, dh, fill_dir); |
| 856 | free(path); |
| 857 | } |
| 858 | return res; |
| 859 | } |
| 860 | |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 861 | static void do_mknod(struct fuse *f, struct fuse_in_header *in, |
| 862 | struct fuse_mknod_in *inarg) |
| 863 | { |
| 864 | int res; |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 865 | int res2; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 866 | char *path; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 867 | char *name = PARAM(inarg); |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 868 | struct fuse_entry_out outarg; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 869 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 870 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 871 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 872 | if (path != NULL) { |
| 873 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 874 | printf("MKNOD %s\n", path); |
| 875 | fflush(stdout); |
| 876 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 877 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 878 | if (f->op.mknod && f->op.getattr) { |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 879 | res = f->op.mknod(path, inarg->mode, inarg->rdev); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 880 | if (res == 0) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 881 | res = lookup_path(f, in->nodeid, in->unique, name, path, &outarg); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 882 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 883 | free(path); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 884 | } |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 885 | res2 = send_reply(f, in, res, &outarg, sizeof(outarg)); |
| 886 | if (res == 0 && res2 == -ENOENT) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 887 | forget_node(f, outarg.nodeid, in->unique); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | static void do_mkdir(struct fuse *f, struct fuse_in_header *in, |
| 891 | struct fuse_mkdir_in *inarg) |
| 892 | { |
| 893 | int res; |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 894 | int res2; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 895 | char *path; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 896 | char *name = PARAM(inarg); |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 897 | struct fuse_entry_out outarg; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 898 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 899 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 900 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 901 | if (path != NULL) { |
| 902 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 903 | printf("MKDIR %s\n", path); |
| 904 | fflush(stdout); |
| 905 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 906 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 907 | if (f->op.mkdir && f->op.getattr) { |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 908 | res = f->op.mkdir(path, inarg->mode); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 909 | if (res == 0) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 910 | res = lookup_path(f, in->nodeid, in->unique, name, path, &outarg); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 911 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 912 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 913 | } |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 914 | res2 = send_reply(f, in, res, &outarg, sizeof(outarg)); |
| 915 | if (res == 0 && res2 == -ENOENT) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 916 | forget_node(f, outarg.nodeid, in->unique); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 917 | } |
| 918 | |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 919 | static void do_unlink(struct fuse *f, struct fuse_in_header *in, char *name) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 920 | { |
| 921 | int res; |
| 922 | char *path; |
| 923 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 924 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 925 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 926 | if (path != NULL) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 927 | if (f->flags & FUSE_DEBUG) { |
| 928 | printf("UNLINK %s\n", path); |
| 929 | fflush(stdout); |
| 930 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 931 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 932 | if (f->op.unlink) { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 933 | if (!(f->flags & FUSE_HARD_REMOVE) && is_open(f, in->nodeid, name)) |
| 934 | res = hide_node(f, path, in->nodeid, name); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 935 | else { |
| 936 | res = f->op.unlink(path); |
| 937 | if (res == 0) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 938 | remove_node(f, in->nodeid, name); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 939 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 940 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 941 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 942 | free(path); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 943 | } |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 944 | send_reply(f, in, res, NULL, 0); |
| 945 | } |
| 946 | |
| 947 | static void do_rmdir(struct fuse *f, struct fuse_in_header *in, char *name) |
| 948 | { |
| 949 | int res; |
| 950 | char *path; |
| 951 | |
| 952 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 953 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 954 | if (path != NULL) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 955 | if (f->flags & FUSE_DEBUG) { |
| 956 | printf("RMDIR %s\n", path); |
| 957 | fflush(stdout); |
| 958 | } |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 959 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 960 | if (f->op.rmdir) { |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 961 | res = f->op.rmdir(path); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 962 | if (res == 0) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 963 | remove_node(f, in->nodeid, name); |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 964 | } |
| 965 | free(path); |
| 966 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 967 | send_reply(f, in, res, NULL, 0); |
| 968 | } |
| 969 | |
| 970 | static void do_symlink(struct fuse *f, struct fuse_in_header *in, char *name, |
| 971 | char *link) |
| 972 | { |
| 973 | int res; |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 974 | int res2; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 975 | char *path; |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 976 | struct fuse_entry_out outarg; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 977 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 978 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 979 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 980 | if (path != NULL) { |
| 981 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 982 | printf("SYMLINK %s\n", path); |
| 983 | fflush(stdout); |
| 984 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 985 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 986 | if (f->op.symlink && f->op.getattr) { |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 987 | res = f->op.symlink(link, path); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 988 | if (res == 0) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 989 | res = lookup_path(f, in->nodeid, in->unique, name, path, &outarg); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 990 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 991 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 992 | } |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 993 | res2 = send_reply(f, in, res, &outarg, sizeof(outarg)); |
| 994 | if (res == 0 && res2 == -ENOENT) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 995 | forget_node(f, outarg.nodeid, in->unique); |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 996 | |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 997 | } |
| 998 | |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 999 | static void do_rename(struct fuse *f, struct fuse_in_header *in, |
| 1000 | struct fuse_rename_in *inarg) |
| 1001 | { |
| 1002 | int res; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1003 | nodeid_t olddir = in->nodeid; |
| 1004 | nodeid_t newdir = inarg->newdir; |
Miklos Szeredi | 6bf8b68 | 2002-10-28 08:49:39 +0000 | [diff] [blame] | 1005 | char *oldname = PARAM(inarg); |
| 1006 | char *newname = oldname + strlen(oldname) + 1; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1007 | char *oldpath; |
| 1008 | char *newpath; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1009 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1010 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1011 | oldpath = get_path_name(f, olddir, oldname); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1012 | if (oldpath != NULL) { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1013 | newpath = get_path_name(f, newdir, newname); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1014 | if (newpath != NULL) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1015 | if (f->flags & FUSE_DEBUG) { |
| 1016 | printf("RENAME %s -> %s\n", oldpath, newpath); |
| 1017 | fflush(stdout); |
| 1018 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1019 | res = -ENOSYS; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1020 | if (f->op.rename) { |
| 1021 | res = 0; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1022 | if (!(f->flags & FUSE_HARD_REMOVE) && |
Miklos Szeredi | 2529ca2 | 2004-07-13 15:36:52 +0000 | [diff] [blame] | 1023 | is_open(f, newdir, newname)) |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1024 | res = hide_node(f, newpath, newdir, newname); |
| 1025 | if (res == 0) { |
| 1026 | res = f->op.rename(oldpath, newpath); |
| 1027 | if (res == 0) |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1028 | res = rename_node(f, olddir, oldname, newdir, newname, 0); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1029 | } |
| 1030 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1031 | free(newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1032 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1033 | free(oldpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1034 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1035 | send_reply(f, in, res, NULL, 0); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1036 | } |
| 1037 | |
| 1038 | static void do_link(struct fuse *f, struct fuse_in_header *in, |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1039 | struct fuse_link_in *arg) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1040 | { |
| 1041 | int res; |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 1042 | int res2; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1043 | char *oldpath; |
| 1044 | char *newpath; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1045 | char *name = PARAM(arg); |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 1046 | struct fuse_entry_out outarg; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1047 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1048 | res = -ENOENT; |
Miklos Szeredi | ed6b5dd | 2005-01-26 17:07:59 +0000 | [diff] [blame] | 1049 | oldpath = get_path(f, arg->oldnodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1050 | if (oldpath != NULL) { |
Miklos Szeredi | ed6b5dd | 2005-01-26 17:07:59 +0000 | [diff] [blame] | 1051 | newpath = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1052 | if (newpath != NULL) { |
| 1053 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1054 | printf("LINK %s\n", newpath); |
| 1055 | fflush(stdout); |
| 1056 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1057 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1058 | if (f->op.link && f->op.getattr) { |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 1059 | res = f->op.link(oldpath, newpath); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1060 | if (res == 0) |
Miklos Szeredi | ed6b5dd | 2005-01-26 17:07:59 +0000 | [diff] [blame] | 1061 | res = lookup_path(f, in->nodeid, in->unique, name, |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1062 | newpath, &outarg); |
| 1063 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1064 | free(newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1065 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1066 | free(oldpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1067 | } |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 1068 | res2 = send_reply(f, in, res, &outarg, sizeof(outarg)); |
| 1069 | if (res == 0 && res2 == -ENOENT) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1070 | forget_node(f, outarg.nodeid, in->unique); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1071 | } |
| 1072 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1073 | static void do_open(struct fuse *f, struct fuse_in_header *in, |
| 1074 | struct fuse_open_in *arg) |
| 1075 | { |
| 1076 | int res; |
| 1077 | char *path; |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1078 | struct fuse_open_out outarg; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1079 | struct fuse_file_info fi; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1080 | |
Miklos Szeredi | ed3c97c | 2005-02-15 17:04:50 +0000 | [diff] [blame] | 1081 | memset(&outarg, 0, sizeof(outarg)); |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1082 | memset(&fi, 0, sizeof(fi)); |
| 1083 | fi.flags = arg->flags; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1084 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1085 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1086 | if (path != NULL) { |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1087 | res = -ENOSYS; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1088 | if (f->op.open) { |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1089 | if (!f->compat) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1090 | res = f->op.open(path, &fi); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1091 | else |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1092 | res = ((struct fuse_operations_compat2 *) &f->op)->open(path, fi.flags); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1093 | } |
Miklos Szeredi | 40b9a5a | 2002-12-10 16:09:02 +0000 | [diff] [blame] | 1094 | } |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1095 | if (res == 0) { |
| 1096 | int res2; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1097 | outarg.fh = fi.fh; |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1098 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1099 | printf("OPEN[%lu] flags: 0x%x\n", fi.fh, arg->flags); |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1100 | fflush(stdout); |
| 1101 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1102 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1103 | pthread_mutex_lock(&f->lock); |
| 1104 | res2 = send_reply(f, in, res, &outarg, sizeof(outarg)); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1105 | if(res2 == -ENOENT) { |
| 1106 | /* The open syscall was interrupted, so it must be cancelled */ |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1107 | if(f->op.release) { |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1108 | if (!f->compat) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1109 | f->op.release(path, &fi); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1110 | else |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1111 | ((struct fuse_operations_compat2 *) &f->op)->release(path, fi.flags); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1112 | } |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1113 | } else { |
| 1114 | struct node *node = get_node(f, in->nodeid); |
| 1115 | node->open_count ++; |
| 1116 | } |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1117 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1118 | } else |
| 1119 | send_reply(f, in, res, NULL, 0); |
| 1120 | |
Miklos Szeredi | 9a31cca | 2004-06-26 21:11:25 +0000 | [diff] [blame] | 1121 | if (path) |
| 1122 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1123 | } |
| 1124 | |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1125 | static void do_flush(struct fuse *f, struct fuse_in_header *in, |
| 1126 | struct fuse_flush_in *arg) |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1127 | { |
| 1128 | char *path; |
| 1129 | int res; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1130 | struct fuse_file_info fi; |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1131 | |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1132 | memset(&fi, 0, sizeof(fi)); |
| 1133 | fi.fh = arg->fh; |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1134 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1135 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1136 | if (path != NULL) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1137 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1138 | printf("FLUSH[%lu]\n", (unsigned long) arg->fh); |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1139 | fflush(stdout); |
| 1140 | } |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1141 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1142 | if (f->op.flush) |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1143 | res = f->op.flush(path, &fi); |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1144 | free(path); |
| 1145 | } |
| 1146 | send_reply(f, in, res, NULL, 0); |
| 1147 | } |
| 1148 | |
Miklos Szeredi | 9478e86 | 2002-12-11 09:50:26 +0000 | [diff] [blame] | 1149 | static void do_release(struct fuse *f, struct fuse_in_header *in, |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1150 | struct fuse_release_in *arg) |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1151 | { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1152 | struct node *node; |
| 1153 | char *path; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1154 | struct fuse_file_info fi; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1155 | int unlink_hidden; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1156 | |
| 1157 | memset(&fi, 0, sizeof(fi)); |
| 1158 | fi.flags = arg->flags; |
| 1159 | fi.fh = arg->fh; |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1160 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1161 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1162 | node = get_node(f, in->nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1163 | assert(node->open_count > 0); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1164 | --node->open_count; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1165 | unlink_hidden = (node->is_hidden && !node->open_count); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1166 | pthread_mutex_unlock(&f->lock); |
| 1167 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1168 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1169 | if (f->flags & FUSE_DEBUG) { |
| 1170 | printf("RELEASE[%lu] flags: 0x%x\n", fi.fh, fi.flags); |
| 1171 | fflush(stdout); |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1172 | } |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1173 | if (f->op.release) { |
| 1174 | if (!f->compat) |
| 1175 | f->op.release(path ? path : "-", &fi); |
| 1176 | else if (path) |
| 1177 | ((struct fuse_operations_compat2 *) &f->op)->release(path, fi.flags); |
| 1178 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1179 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1180 | if(unlink_hidden && path) |
| 1181 | f->op.unlink(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1182 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1183 | if (path) |
| 1184 | free(path); |
| 1185 | |
Miklos Szeredi | 556d03d | 2004-06-30 11:13:41 +0000 | [diff] [blame] | 1186 | send_reply(f, in, 0, NULL, 0); |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1187 | } |
| 1188 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1189 | static void do_read(struct fuse *f, struct fuse_in_header *in, |
| 1190 | struct fuse_read_in *arg) |
| 1191 | { |
| 1192 | int res; |
| 1193 | char *path; |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1194 | char *outbuf = (char *) malloc(sizeof(struct fuse_out_header) + arg->size); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1195 | if (outbuf == NULL) |
| 1196 | send_reply(f, in, -ENOMEM, NULL, 0); |
| 1197 | else { |
| 1198 | struct fuse_out_header *out = (struct fuse_out_header *) outbuf; |
| 1199 | char *buf = outbuf + sizeof(struct fuse_out_header); |
| 1200 | size_t size; |
| 1201 | size_t outsize; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1202 | struct fuse_file_info fi; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1203 | |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1204 | memset(&fi, 0, sizeof(fi)); |
| 1205 | fi.fh = arg->fh; |
| 1206 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1207 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1208 | path = get_path(f, in->nodeid); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1209 | if (path != NULL) { |
| 1210 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1211 | printf("READ[%lu] %u bytes from %llu\n", |
| 1212 | (unsigned long) arg->fh, arg->size, arg->offset); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1213 | fflush(stdout); |
| 1214 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1215 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1216 | res = -ENOSYS; |
| 1217 | if (f->op.read) |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1218 | res = f->op.read(path, buf, arg->size, arg->offset, &fi); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1219 | free(path); |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 1220 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1221 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1222 | size = 0; |
| 1223 | if (res >= 0) { |
| 1224 | size = res; |
| 1225 | res = 0; |
| 1226 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1227 | printf(" READ[%lu] %u bytes\n", (unsigned long) arg->fh, |
| 1228 | size); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1229 | fflush(stdout); |
| 1230 | } |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 1231 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1232 | memset(out, 0, sizeof(struct fuse_out_header)); |
| 1233 | out->unique = in->unique; |
| 1234 | out->error = res; |
| 1235 | outsize = sizeof(struct fuse_out_header) + size; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1236 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1237 | send_reply_raw(f, outbuf, outsize); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1238 | free(outbuf); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1239 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1240 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1241 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1242 | static void do_write(struct fuse *f, struct fuse_in_header *in, |
| 1243 | struct fuse_write_in *arg) |
| 1244 | { |
| 1245 | int res; |
| 1246 | char *path; |
Miklos Szeredi | ad051c3 | 2004-07-02 09:22:50 +0000 | [diff] [blame] | 1247 | struct fuse_write_out outarg; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1248 | struct fuse_file_info fi; |
| 1249 | |
| 1250 | memset(&fi, 0, sizeof(fi)); |
| 1251 | fi.fh = arg->fh; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1252 | fi.writepage = arg->write_flags & 1; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1253 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1254 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1255 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1256 | if (path != NULL) { |
| 1257 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 1eea032 | 2004-09-27 18:50:11 +0000 | [diff] [blame] | 1258 | printf("WRITE%s[%lu] %u bytes to %llu\n", |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1259 | (arg->write_flags & 1) ? "PAGE" : "", |
| 1260 | (unsigned long) arg->fh, arg->size, arg->offset); |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 1261 | fflush(stdout); |
| 1262 | } |
| 1263 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1264 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1265 | if (f->op.write) |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1266 | res = f->op.write(path, PARAM(arg), arg->size, arg->offset, &fi); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1267 | free(path); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1268 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1269 | |
| 1270 | if (res >= 0) { |
Miklos Szeredi | ad051c3 | 2004-07-02 09:22:50 +0000 | [diff] [blame] | 1271 | outarg.size = res; |
| 1272 | res = 0; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1273 | } |
| 1274 | |
Miklos Szeredi | ad051c3 | 2004-07-02 09:22:50 +0000 | [diff] [blame] | 1275 | send_reply(f, in, res, &outarg, sizeof(outarg)); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1276 | } |
| 1277 | |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1278 | static int default_statfs(struct statfs *buf) |
| 1279 | { |
| 1280 | buf->f_namelen = 255; |
| 1281 | buf->f_bsize = 512; |
| 1282 | return 0; |
| 1283 | } |
| 1284 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1285 | static void convert_statfs_compat(struct fuse_statfs_compat1 *compatbuf, |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1286 | struct statfs *statfs) |
| 1287 | { |
| 1288 | statfs->f_bsize = compatbuf->block_size; |
| 1289 | statfs->f_blocks = compatbuf->blocks; |
| 1290 | statfs->f_bfree = compatbuf->blocks_free; |
| 1291 | statfs->f_bavail = compatbuf->blocks_free; |
| 1292 | statfs->f_files = compatbuf->files; |
| 1293 | statfs->f_ffree = compatbuf->files_free; |
| 1294 | statfs->f_namelen = compatbuf->namelen; |
| 1295 | } |
| 1296 | |
Miklos Szeredi | 18e75e4 | 2004-02-19 14:23:27 +0000 | [diff] [blame] | 1297 | static void convert_statfs(struct statfs *statfs, struct fuse_kstatfs *kstatfs) |
| 1298 | { |
| 1299 | kstatfs->bsize = statfs->f_bsize; |
| 1300 | kstatfs->blocks = statfs->f_blocks; |
| 1301 | kstatfs->bfree = statfs->f_bfree; |
| 1302 | kstatfs->bavail = statfs->f_bavail; |
| 1303 | kstatfs->files = statfs->f_files; |
| 1304 | kstatfs->ffree = statfs->f_ffree; |
| 1305 | kstatfs->namelen = statfs->f_namelen; |
| 1306 | } |
| 1307 | |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1308 | static void do_statfs(struct fuse *f, struct fuse_in_header *in) |
| 1309 | { |
| 1310 | int res; |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1311 | struct fuse_statfs_out arg; |
Miklos Szeredi | 18e75e4 | 2004-02-19 14:23:27 +0000 | [diff] [blame] | 1312 | struct statfs buf; |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1313 | |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1314 | memset(&buf, 0, sizeof(struct statfs)); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1315 | if (f->op.statfs) { |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1316 | if (!f->compat || f->compat > 11) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1317 | res = f->op.statfs("/", &buf); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1318 | else { |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1319 | struct fuse_statfs_compat1 compatbuf; |
| 1320 | memset(&compatbuf, 0, sizeof(struct fuse_statfs_compat1)); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1321 | res = ((struct fuse_operations_compat1 *) &f->op)->statfs(&compatbuf); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1322 | if (res == 0) |
| 1323 | convert_statfs_compat(&compatbuf, &buf); |
| 1324 | } |
| 1325 | } |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1326 | else |
| 1327 | res = default_statfs(&buf); |
| 1328 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1329 | if (res == 0) |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1330 | convert_statfs(&buf, &arg.st); |
Miklos Szeredi | 4b2bef4 | 2002-01-09 12:23:27 +0000 | [diff] [blame] | 1331 | |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1332 | send_reply(f, in, res, &arg, sizeof(arg)); |
| 1333 | } |
| 1334 | |
Miklos Szeredi | 5e43f2c | 2003-12-12 14:06:41 +0000 | [diff] [blame] | 1335 | static void do_fsync(struct fuse *f, struct fuse_in_header *in, |
| 1336 | struct fuse_fsync_in *inarg) |
| 1337 | { |
| 1338 | int res; |
| 1339 | char *path; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1340 | struct fuse_file_info fi; |
| 1341 | |
| 1342 | memset(&fi, 0, sizeof(fi)); |
| 1343 | fi.fh = inarg->fh; |
Miklos Szeredi | 5e43f2c | 2003-12-12 14:06:41 +0000 | [diff] [blame] | 1344 | |
| 1345 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1346 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1347 | if (path != NULL) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1348 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1349 | printf("FSYNC[%lu]\n", (unsigned long) inarg->fh); |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1350 | fflush(stdout); |
| 1351 | } |
Miklos Szeredi | 63b8c1c | 2004-06-03 14:45:04 +0000 | [diff] [blame] | 1352 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1353 | if (f->op.fsync) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1354 | res = f->op.fsync(path, inarg->fsync_flags & 1, &fi); |
Miklos Szeredi | 5e43f2c | 2003-12-12 14:06:41 +0000 | [diff] [blame] | 1355 | free(path); |
| 1356 | } |
| 1357 | send_reply(f, in, res, NULL, 0); |
| 1358 | } |
| 1359 | |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1360 | static void do_setxattr(struct fuse *f, struct fuse_in_header *in, |
| 1361 | struct fuse_setxattr_in *arg) |
| 1362 | { |
| 1363 | int res; |
| 1364 | char *path; |
| 1365 | char *name = PARAM(arg); |
| 1366 | unsigned char *value = name + strlen(name) + 1; |
| 1367 | |
| 1368 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1369 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1370 | if (path != NULL) { |
Miklos Szeredi | 63b8c1c | 2004-06-03 14:45:04 +0000 | [diff] [blame] | 1371 | res = -ENOSYS; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1372 | if (f->op.setxattr) |
| 1373 | res = f->op.setxattr(path, name, value, arg->size, arg->flags); |
| 1374 | free(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1375 | } |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1376 | send_reply(f, in, res, NULL, 0); |
| 1377 | } |
| 1378 | |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1379 | static int common_getxattr(struct fuse *f, struct fuse_in_header *in, |
| 1380 | const char *name, char *value, size_t size) |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1381 | { |
| 1382 | int res; |
| 1383 | char *path; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1384 | |
| 1385 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1386 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1387 | if (path != NULL) { |
Miklos Szeredi | 63b8c1c | 2004-06-03 14:45:04 +0000 | [diff] [blame] | 1388 | res = -ENOSYS; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1389 | if (f->op.getxattr) |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1390 | res = f->op.getxattr(path, name, value, size); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1391 | free(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1392 | } |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1393 | return res; |
| 1394 | } |
| 1395 | |
| 1396 | static void do_getxattr_read(struct fuse *f, struct fuse_in_header *in, |
| 1397 | const char *name, size_t size) |
| 1398 | { |
| 1399 | int res; |
| 1400 | char *outbuf = (char *) malloc(sizeof(struct fuse_out_header) + size); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1401 | if (outbuf == NULL) |
| 1402 | send_reply(f, in, -ENOMEM, NULL, 0); |
| 1403 | else { |
| 1404 | struct fuse_out_header *out = (struct fuse_out_header *) outbuf; |
| 1405 | char *value = outbuf + sizeof(struct fuse_out_header); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1406 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1407 | res = common_getxattr(f, in, name, value, size); |
| 1408 | size = 0; |
| 1409 | if (res > 0) { |
| 1410 | size = res; |
| 1411 | res = 0; |
| 1412 | } |
| 1413 | memset(out, 0, sizeof(struct fuse_out_header)); |
| 1414 | out->unique = in->unique; |
| 1415 | out->error = res; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1416 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1417 | send_reply_raw(f, outbuf, sizeof(struct fuse_out_header) + size); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1418 | free(outbuf); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1419 | } |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1420 | } |
| 1421 | |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1422 | static void do_getxattr_size(struct fuse *f, struct fuse_in_header *in, |
| 1423 | const char *name) |
| 1424 | { |
| 1425 | int res; |
| 1426 | struct fuse_getxattr_out arg; |
| 1427 | |
| 1428 | res = common_getxattr(f, in, name, NULL, 0); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1429 | if (res >= 0) { |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1430 | arg.size = res; |
| 1431 | res = 0; |
| 1432 | } |
| 1433 | send_reply(f, in, res, &arg, sizeof(arg)); |
| 1434 | } |
| 1435 | |
| 1436 | static void do_getxattr(struct fuse *f, struct fuse_in_header *in, |
| 1437 | struct fuse_getxattr_in *arg) |
| 1438 | { |
| 1439 | char *name = PARAM(arg); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1440 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1441 | if (arg->size) |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1442 | do_getxattr_read(f, in, name, arg->size); |
| 1443 | else |
| 1444 | do_getxattr_size(f, in, name); |
| 1445 | } |
| 1446 | |
| 1447 | static int common_listxattr(struct fuse *f, struct fuse_in_header *in, |
| 1448 | char *list, size_t size) |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1449 | { |
| 1450 | int res; |
| 1451 | char *path; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1452 | |
| 1453 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1454 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1455 | if (path != NULL) { |
Miklos Szeredi | 63b8c1c | 2004-06-03 14:45:04 +0000 | [diff] [blame] | 1456 | res = -ENOSYS; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1457 | if (f->op.listxattr) |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1458 | res = f->op.listxattr(path, list, size); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1459 | free(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1460 | } |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1461 | return res; |
| 1462 | } |
| 1463 | |
| 1464 | static void do_listxattr_read(struct fuse *f, struct fuse_in_header *in, |
| 1465 | size_t size) |
| 1466 | { |
| 1467 | int res; |
| 1468 | char *outbuf = (char *) malloc(sizeof(struct fuse_out_header) + size); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1469 | if (outbuf == NULL) |
| 1470 | send_reply(f, in, -ENOMEM, NULL, 0); |
| 1471 | else { |
| 1472 | struct fuse_out_header *out = (struct fuse_out_header *) outbuf; |
| 1473 | char *list = outbuf + sizeof(struct fuse_out_header); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1474 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1475 | res = common_listxattr(f, in, list, size); |
| 1476 | size = 0; |
| 1477 | if (res > 0) { |
| 1478 | size = res; |
| 1479 | res = 0; |
| 1480 | } |
| 1481 | memset(out, 0, sizeof(struct fuse_out_header)); |
| 1482 | out->unique = in->unique; |
| 1483 | out->error = res; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1484 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1485 | send_reply_raw(f, outbuf, sizeof(struct fuse_out_header) + size); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1486 | free(outbuf); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1487 | } |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1488 | } |
| 1489 | |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1490 | static void do_listxattr_size(struct fuse *f, struct fuse_in_header *in) |
| 1491 | { |
| 1492 | int res; |
| 1493 | struct fuse_getxattr_out arg; |
| 1494 | |
| 1495 | res = common_listxattr(f, in, NULL, 0); |
| 1496 | if (res >= 0) { |
| 1497 | arg.size = res; |
| 1498 | res = 0; |
| 1499 | } |
| 1500 | send_reply(f, in, res, &arg, sizeof(arg)); |
| 1501 | } |
| 1502 | |
| 1503 | static void do_listxattr(struct fuse *f, struct fuse_in_header *in, |
| 1504 | struct fuse_getxattr_in *arg) |
| 1505 | { |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1506 | if (arg->size) |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1507 | do_listxattr_read(f, in, arg->size); |
| 1508 | else |
| 1509 | do_listxattr_size(f, in); |
| 1510 | } |
| 1511 | |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1512 | static void do_removexattr(struct fuse *f, struct fuse_in_header *in, |
| 1513 | char *name) |
| 1514 | { |
| 1515 | int res; |
| 1516 | char *path; |
| 1517 | |
| 1518 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1519 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1520 | if (path != NULL) { |
Miklos Szeredi | 63b8c1c | 2004-06-03 14:45:04 +0000 | [diff] [blame] | 1521 | res = -ENOSYS; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1522 | if (f->op.removexattr) |
| 1523 | res = f->op.removexattr(path, name); |
| 1524 | free(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1525 | } |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1526 | send_reply(f, in, res, NULL, 0); |
| 1527 | } |
| 1528 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1529 | static void do_init(struct fuse *f, struct fuse_in_header *in, |
| 1530 | struct fuse_init_in_out *arg) |
| 1531 | { |
| 1532 | struct fuse_init_in_out outarg; |
| 1533 | if (f->flags & FUSE_DEBUG) { |
| 1534 | printf(" INIT: %u.%u\n", arg->major, arg->minor); |
| 1535 | fflush(stdout); |
| 1536 | } |
| 1537 | f->got_init = 1; |
Miklos Szeredi | 159bd7e | 2005-02-28 17:32:16 +0000 | [diff] [blame] | 1538 | if (f->op.init) |
| 1539 | f->user_data = f->op.init(); |
| 1540 | |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1541 | if (arg->major < 6) { |
| 1542 | fprintf(stderr, "Kernel API version 5 not yet handled\n"); |
| 1543 | fuse_exit(f); |
| 1544 | return; |
| 1545 | } |
| 1546 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1547 | memset(&outarg, 0, sizeof(outarg)); |
| 1548 | outarg.major = FUSE_KERNEL_VERSION; |
| 1549 | outarg.minor = FUSE_KERNEL_MINOR_VERSION; |
| 1550 | send_reply(f, in, 0, &outarg, sizeof(outarg)); |
| 1551 | } |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1552 | |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1553 | static struct fuse_dirhandle *get_dirhandle(unsigned long fh) |
| 1554 | { |
| 1555 | return (struct fuse_dirhandle *) fh; |
| 1556 | } |
| 1557 | |
| 1558 | static void do_opendir(struct fuse *f, struct fuse_in_header *in, |
| 1559 | struct fuse_open_in *arg) |
| 1560 | { |
| 1561 | int res; |
| 1562 | struct fuse_open_out outarg; |
| 1563 | struct fuse_dirhandle *dh; |
| 1564 | |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1565 | dh = (struct fuse_dirhandle *) malloc(sizeof(struct fuse_dirhandle)); |
| 1566 | if (dh == NULL) { |
| 1567 | send_reply(f, in, -ENOMEM, NULL, 0); |
| 1568 | return; |
| 1569 | } |
| 1570 | memset(dh, 0, sizeof(struct fuse_dirhandle)); |
| 1571 | dh->fuse = f; |
| 1572 | dh->contents = NULL; |
| 1573 | dh->len = 0; |
| 1574 | dh->filled = 0; |
| 1575 | |
| 1576 | memset(&outarg, 0, sizeof(outarg)); |
| 1577 | outarg.fh = (unsigned long) dh; |
| 1578 | |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1579 | if (f->op.opendir) { |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1580 | struct fuse_file_info fi; |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1581 | char *path; |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1582 | |
| 1583 | memset(&fi, 0, sizeof(fi)); |
| 1584 | fi.flags = arg->flags; |
| 1585 | |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1586 | res = -ENOENT; |
| 1587 | path = get_path(f, in->nodeid); |
| 1588 | if (path != NULL) { |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1589 | res = f->op.opendir(path, &fi); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1590 | dh->fh = fi.fh; |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1591 | } |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1592 | if (res == 0) { |
| 1593 | int res2; |
| 1594 | pthread_mutex_lock(&f->lock); |
| 1595 | res2 = send_reply(f, in, res, &outarg, sizeof(outarg)); |
| 1596 | if(res2 == -ENOENT) { |
| 1597 | /* The opendir syscall was interrupted, so it must be |
| 1598 | cancelled */ |
| 1599 | if(f->op.releasedir) |
| 1600 | f->op.releasedir(path, &fi); |
| 1601 | free(dh); |
| 1602 | } |
| 1603 | pthread_mutex_unlock(&f->lock); |
| 1604 | } else { |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1605 | send_reply(f, in, res, NULL, 0); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1606 | free(dh); |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1607 | } |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1608 | free(path); |
| 1609 | } else |
| 1610 | send_reply(f, in, 0, &outarg, sizeof(outarg)); |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1611 | } |
| 1612 | |
| 1613 | static void do_readdir(struct fuse *f, struct fuse_in_header *in, |
| 1614 | struct fuse_read_in *arg) |
| 1615 | { |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1616 | int res; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1617 | struct fuse_dirhandle *dh = get_dirhandle(arg->fh); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1618 | struct fuse_out_header *out; |
| 1619 | char *outbuf; |
| 1620 | char *buf; |
| 1621 | size_t size = 0; |
| 1622 | size_t outsize; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1623 | |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1624 | outbuf = (char *) malloc(sizeof(struct fuse_out_header) + arg->size); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1625 | if (outbuf == NULL) { |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1626 | send_reply(f, in, -ENOMEM, NULL, 0); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1627 | return; |
| 1628 | } |
| 1629 | buf = outbuf + sizeof(struct fuse_out_header); |
| 1630 | |
| 1631 | if (f->op.readdir) { |
| 1632 | struct fuse_dirbuf db; |
| 1633 | struct fuse_file_info fi; |
| 1634 | char *path; |
| 1635 | |
| 1636 | db.fuse = f; |
| 1637 | db.buf = buf; |
| 1638 | db.len = arg->size; |
| 1639 | |
| 1640 | memset(&fi, 0, sizeof(fi)); |
| 1641 | fi.fh = dh->fh; |
| 1642 | |
| 1643 | path = get_path(f, in->nodeid); |
| 1644 | res = f->op.readdir(path ? path : "-", &db, fill_dir5, arg->offset, &fi); |
| 1645 | free(path); |
| 1646 | if (res) |
| 1647 | goto err; |
| 1648 | |
| 1649 | size = arg->size - db.len; |
| 1650 | } else { |
| 1651 | if (!dh->filled) { |
| 1652 | res = common_getdir(f, in, dh); |
| 1653 | if (res) |
| 1654 | goto err; |
| 1655 | dh->filled = 1; |
| 1656 | } |
| 1657 | |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 1658 | if (arg->offset < dh->len) { |
| 1659 | size = arg->size; |
| 1660 | if (arg->offset + size > dh->len) |
| 1661 | size = dh->len - arg->offset; |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1662 | |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 1663 | memcpy(buf, dh->contents + arg->offset, size); |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1664 | } |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1665 | } |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1666 | out = (struct fuse_out_header *) outbuf; |
| 1667 | memset(out, 0, sizeof(struct fuse_out_header)); |
| 1668 | out->unique = in->unique; |
| 1669 | out->error = 0; |
| 1670 | outsize = sizeof(struct fuse_out_header) + size; |
| 1671 | |
| 1672 | send_reply_raw(f, outbuf, outsize); |
| 1673 | free(outbuf); |
| 1674 | return; |
| 1675 | |
| 1676 | err: |
| 1677 | send_reply(f, in, res, NULL, 0); |
| 1678 | free(outbuf); |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1679 | } |
| 1680 | |
| 1681 | static void do_releasedir(struct fuse *f, struct fuse_in_header *in, |
| 1682 | struct fuse_release_in *arg) |
| 1683 | { |
| 1684 | struct fuse_dirhandle *dh = get_dirhandle(arg->fh); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1685 | if (f->op.releasedir) { |
| 1686 | char *path; |
| 1687 | struct fuse_file_info fi; |
| 1688 | |
| 1689 | memset(&fi, 0, sizeof(fi)); |
| 1690 | fi.fh = dh->fh; |
| 1691 | |
| 1692 | path = get_path(f, in->nodeid); |
| 1693 | f->op.releasedir(path ? path : "-", &fi); |
| 1694 | free(path); |
| 1695 | } |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 1696 | free(dh->contents); |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1697 | free(dh); |
| 1698 | send_reply(f, in, 0, NULL, 0); |
| 1699 | } |
| 1700 | |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1701 | static void do_fsyncdir(struct fuse *f, struct fuse_in_header *in, |
| 1702 | struct fuse_fsync_in *inarg) |
| 1703 | { |
| 1704 | int res; |
| 1705 | char *path; |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1706 | struct fuse_dirhandle *dh = get_dirhandle(inarg->fh); |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1707 | struct fuse_file_info fi; |
| 1708 | |
| 1709 | memset(&fi, 0, sizeof(fi)); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1710 | fi.fh = dh->fh; |
| 1711 | |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1712 | res = -ENOENT; |
| 1713 | path = get_path(f, in->nodeid); |
| 1714 | if (path != NULL) { |
| 1715 | res = -ENOSYS; |
| 1716 | if (f->op.fsyncdir) |
| 1717 | res = f->op.fsyncdir(path, inarg->fsync_flags & 1, &fi); |
| 1718 | free(path); |
| 1719 | } |
| 1720 | send_reply(f, in, res, NULL, 0); |
| 1721 | } |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1722 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1723 | static void free_cmd(struct fuse_cmd *cmd) |
| 1724 | { |
| 1725 | free(cmd->buf); |
| 1726 | free(cmd); |
| 1727 | } |
| 1728 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1729 | void fuse_process_cmd(struct fuse *f, struct fuse_cmd *cmd) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1730 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1731 | struct fuse_in_header *in = (struct fuse_in_header *) cmd->buf; |
| 1732 | void *inarg = cmd->buf + sizeof(struct fuse_in_header); |
| 1733 | size_t argsize; |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1734 | struct fuse_context *ctx = fuse_get_context(); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1735 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1736 | fuse_dec_avail(f); |
Miklos Szeredi | 3323203 | 2001-11-19 17:55:51 +0000 | [diff] [blame] | 1737 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1738 | if ((f->flags & FUSE_DEBUG)) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1739 | printf("unique: %llu, opcode: %s (%i), nodeid: %lu, insize: %i\n", |
| 1740 | in->unique, opname(in->opcode), in->opcode, |
| 1741 | (unsigned long) in->nodeid, cmd->buflen); |
Miklos Szeredi | c0938ea | 2001-11-07 12:35:06 +0000 | [diff] [blame] | 1742 | fflush(stdout); |
| 1743 | } |
Miklos Szeredi | fe25def | 2001-12-20 15:38:05 +0000 | [diff] [blame] | 1744 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1745 | if (!f->got_init && in->opcode != FUSE_INIT) { |
| 1746 | /* Old kernel version probably */ |
| 1747 | send_reply(f, in, -EPROTO, NULL, 0); |
| 1748 | goto out; |
| 1749 | } |
| 1750 | |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1751 | ctx->fuse = f; |
Miklos Szeredi | fe25def | 2001-12-20 15:38:05 +0000 | [diff] [blame] | 1752 | ctx->uid = in->uid; |
| 1753 | ctx->gid = in->gid; |
Miklos Szeredi | 1f18db5 | 2004-09-27 06:54:49 +0000 | [diff] [blame] | 1754 | ctx->pid = in->pid; |
Miklos Szeredi | 159bd7e | 2005-02-28 17:32:16 +0000 | [diff] [blame] | 1755 | ctx->private_data = f->user_data; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1756 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1757 | argsize = cmd->buflen - sizeof(struct fuse_in_header); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1758 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1759 | switch (in->opcode) { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1760 | case FUSE_LOOKUP: |
| 1761 | do_lookup(f, in, (char *) inarg); |
| 1762 | break; |
| 1763 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1764 | case FUSE_GETATTR: |
| 1765 | do_getattr(f, in); |
| 1766 | break; |
| 1767 | |
| 1768 | case FUSE_SETATTR: |
| 1769 | do_setattr(f, in, (struct fuse_setattr_in *) inarg); |
| 1770 | break; |
| 1771 | |
| 1772 | case FUSE_READLINK: |
| 1773 | do_readlink(f, in); |
| 1774 | break; |
| 1775 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1776 | case FUSE_MKNOD: |
| 1777 | do_mknod(f, in, (struct fuse_mknod_in *) inarg); |
| 1778 | break; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1779 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1780 | case FUSE_MKDIR: |
| 1781 | do_mkdir(f, in, (struct fuse_mkdir_in *) inarg); |
| 1782 | break; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1783 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1784 | case FUSE_UNLINK: |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 1785 | do_unlink(f, in, (char *) inarg); |
| 1786 | break; |
| 1787 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1788 | case FUSE_RMDIR: |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 1789 | do_rmdir(f, in, (char *) inarg); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1790 | break; |
| 1791 | |
| 1792 | case FUSE_SYMLINK: |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1793 | do_symlink(f, in, (char *) inarg, |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1794 | ((char *) inarg) + strlen((char *) inarg) + 1); |
| 1795 | break; |
| 1796 | |
| 1797 | case FUSE_RENAME: |
| 1798 | do_rename(f, in, (struct fuse_rename_in *) inarg); |
| 1799 | break; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1800 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1801 | case FUSE_LINK: |
| 1802 | do_link(f, in, (struct fuse_link_in *) inarg); |
| 1803 | break; |
| 1804 | |
| 1805 | case FUSE_OPEN: |
| 1806 | do_open(f, in, (struct fuse_open_in *) inarg); |
| 1807 | break; |
| 1808 | |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1809 | case FUSE_FLUSH: |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1810 | do_flush(f, in, (struct fuse_flush_in *) inarg); |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1811 | break; |
| 1812 | |
Miklos Szeredi | 9478e86 | 2002-12-11 09:50:26 +0000 | [diff] [blame] | 1813 | case FUSE_RELEASE: |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1814 | do_release(f, in, (struct fuse_release_in *) inarg); |
Miklos Szeredi | 9478e86 | 2002-12-11 09:50:26 +0000 | [diff] [blame] | 1815 | break; |
| 1816 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1817 | case FUSE_READ: |
| 1818 | do_read(f, in, (struct fuse_read_in *) inarg); |
| 1819 | break; |
| 1820 | |
| 1821 | case FUSE_WRITE: |
| 1822 | do_write(f, in, (struct fuse_write_in *) inarg); |
| 1823 | break; |
| 1824 | |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1825 | case FUSE_STATFS: |
| 1826 | do_statfs(f, in); |
| 1827 | break; |
| 1828 | |
Miklos Szeredi | 5e43f2c | 2003-12-12 14:06:41 +0000 | [diff] [blame] | 1829 | case FUSE_FSYNC: |
| 1830 | do_fsync(f, in, (struct fuse_fsync_in *) inarg); |
| 1831 | break; |
| 1832 | |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1833 | case FUSE_SETXATTR: |
| 1834 | do_setxattr(f, in, (struct fuse_setxattr_in *) inarg); |
| 1835 | break; |
| 1836 | |
| 1837 | case FUSE_GETXATTR: |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1838 | do_getxattr(f, in, (struct fuse_getxattr_in *) inarg); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1839 | break; |
| 1840 | |
| 1841 | case FUSE_LISTXATTR: |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1842 | do_listxattr(f, in, (struct fuse_getxattr_in *) inarg); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1843 | break; |
| 1844 | |
| 1845 | case FUSE_REMOVEXATTR: |
| 1846 | do_removexattr(f, in, (char *) inarg); |
| 1847 | break; |
| 1848 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1849 | case FUSE_INIT: |
| 1850 | do_init(f, in, (struct fuse_init_in_out *) inarg); |
| 1851 | break; |
| 1852 | |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1853 | case FUSE_OPENDIR: |
| 1854 | do_opendir(f, in, (struct fuse_open_in *) inarg); |
| 1855 | break; |
| 1856 | |
| 1857 | case FUSE_READDIR: |
| 1858 | do_readdir(f, in, (struct fuse_read_in *) inarg); |
| 1859 | break; |
| 1860 | |
| 1861 | case FUSE_RELEASEDIR: |
| 1862 | do_releasedir(f, in, (struct fuse_release_in *) inarg); |
| 1863 | break; |
| 1864 | |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1865 | case FUSE_FSYNCDIR: |
| 1866 | do_fsyncdir(f, in, (struct fuse_fsync_in *) inarg); |
| 1867 | break; |
| 1868 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1869 | default: |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1870 | send_reply(f, in, -ENOSYS, NULL, 0); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1871 | } |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1872 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1873 | out: |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1874 | free_cmd(cmd); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1875 | } |
| 1876 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1877 | int fuse_exited(struct fuse* f) |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1878 | { |
| 1879 | return f->exited; |
| 1880 | } |
| 1881 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1882 | struct fuse_cmd *fuse_read_cmd(struct fuse *f) |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 1883 | { |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 1884 | ssize_t res; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 1885 | struct fuse_cmd *cmd; |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 1886 | struct fuse_in_header *in; |
| 1887 | void *inarg; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 1888 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1889 | cmd = (struct fuse_cmd *) malloc(sizeof(struct fuse_cmd)); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1890 | if (cmd == NULL) { |
| 1891 | fprintf(stderr, "fuse: failed to allocate cmd in read\n"); |
| 1892 | return NULL; |
| 1893 | } |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1894 | cmd->buf = (char *) malloc(FUSE_MAX_IN); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1895 | if (cmd->buf == NULL) { |
| 1896 | fprintf(stderr, "fuse: failed to allocate read buffer\n"); |
| 1897 | free(cmd); |
| 1898 | return NULL; |
| 1899 | } |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 1900 | in = (struct fuse_in_header *) cmd->buf; |
| 1901 | inarg = cmd->buf + sizeof(struct fuse_in_header); |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1902 | |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1903 | res = read(f->fd, cmd->buf, FUSE_MAX_IN); |
| 1904 | if (res == -1) { |
| 1905 | free_cmd(cmd); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 1906 | if (fuse_exited(f) || errno == EINTR || errno == ENOENT) |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 1907 | return NULL; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1908 | |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1909 | /* ENODEV means we got unmounted, so we silenty return failure */ |
| 1910 | if (errno != ENODEV) { |
| 1911 | /* BAD... This will happen again */ |
| 1912 | perror("fuse: reading device"); |
| 1913 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1914 | |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1915 | fuse_exit(f); |
| 1916 | return NULL; |
| 1917 | } |
| 1918 | if ((size_t) res < sizeof(struct fuse_in_header)) { |
| 1919 | free_cmd(cmd); |
| 1920 | /* Cannot happen */ |
| 1921 | fprintf(stderr, "short read on fuse device\n"); |
| 1922 | fuse_exit(f); |
| 1923 | return NULL; |
| 1924 | } |
| 1925 | cmd->buflen = res; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1926 | |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1927 | /* Forget is special, it can be done without messing with threads. */ |
| 1928 | if (in->opcode == FUSE_FORGET) { |
| 1929 | do_forget(f, in, (struct fuse_forget_in *) inarg); |
| 1930 | free_cmd(cmd); |
| 1931 | return NULL; |
| 1932 | } |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 1933 | |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 1934 | return cmd; |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 1935 | } |
| 1936 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1937 | int fuse_loop(struct fuse *f) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1938 | { |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1939 | if (f == NULL) |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1940 | return -1; |
Miklos Szeredi | c40748a | 2004-02-20 16:38:45 +0000 | [diff] [blame] | 1941 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1942 | while (1) { |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 1943 | struct fuse_cmd *cmd; |
| 1944 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1945 | if (fuse_exited(f)) |
Miklos Szeredi | 874e3c1 | 2004-11-01 23:15:20 +0000 | [diff] [blame] | 1946 | break; |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 1947 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1948 | cmd = fuse_read_cmd(f); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1949 | if (cmd == NULL) |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 1950 | continue; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1951 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1952 | fuse_process_cmd(f, cmd); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1953 | } |
Miklos Szeredi | 874e3c1 | 2004-11-01 23:15:20 +0000 | [diff] [blame] | 1954 | f->exited = 0; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1955 | return 0; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1956 | } |
| 1957 | |
Miklos Szeredi | 891b874 | 2004-07-29 09:27:49 +0000 | [diff] [blame] | 1958 | int fuse_invalidate(struct fuse *f, const char *path) |
| 1959 | { |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 1960 | (void) f; |
| 1961 | (void) path; |
| 1962 | return -EINVAL; |
Miklos Szeredi | 891b874 | 2004-07-29 09:27:49 +0000 | [diff] [blame] | 1963 | } |
| 1964 | |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 1965 | void fuse_exit(struct fuse *f) |
| 1966 | { |
| 1967 | f->exited = 1; |
| 1968 | } |
| 1969 | |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1970 | struct fuse_context *fuse_get_context() |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 1971 | { |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1972 | static struct fuse_context context; |
| 1973 | if (fuse_getcontext) |
| 1974 | return fuse_getcontext(); |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 1975 | else |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1976 | return &context; |
| 1977 | } |
| 1978 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1979 | void fuse_set_getcontext_func(struct fuse_context *(*func)(void)) |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1980 | { |
| 1981 | fuse_getcontext = func; |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 1982 | } |
| 1983 | |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 1984 | int fuse_is_lib_option(const char *opt) |
| 1985 | { |
| 1986 | if (strcmp(opt, "debug") == 0 || |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1987 | strcmp(opt, "hard_remove") == 0 || |
| 1988 | strcmp(opt, "use_ino") == 0) |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 1989 | return 1; |
| 1990 | else |
| 1991 | return 0; |
| 1992 | } |
| 1993 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1994 | static int parse_lib_opts(struct fuse *f, const char *opts) |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 1995 | { |
| 1996 | if (opts) { |
| 1997 | char *xopts = strdup(opts); |
| 1998 | char *s = xopts; |
| 1999 | char *opt; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2000 | |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2001 | if (xopts == NULL) { |
| 2002 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2003 | return -1; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2004 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 2005 | |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 2006 | while((opt = strsep(&s, ","))) { |
| 2007 | if (strcmp(opt, "debug") == 0) |
| 2008 | f->flags |= FUSE_DEBUG; |
| 2009 | else if (strcmp(opt, "hard_remove") == 0) |
| 2010 | f->flags |= FUSE_HARD_REMOVE; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2011 | else if (strcmp(opt, "use_ino") == 0) |
| 2012 | f->flags |= FUSE_USE_INO; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 2013 | else |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 2014 | fprintf(stderr, "fuse: warning: unknown option `%s'\n", opt); |
| 2015 | } |
| 2016 | free(xopts); |
| 2017 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2018 | return 0; |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 2019 | } |
| 2020 | |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2021 | struct fuse *fuse_new_common(int fd, const char *opts, |
| 2022 | const struct fuse_operations *op, |
| 2023 | size_t op_size, int compat) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2024 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2025 | struct fuse *f; |
| 2026 | struct node *root; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2027 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2028 | if (sizeof(struct fuse_operations) < op_size) { |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2029 | fprintf(stderr, "fuse: warning: library too old, some operations may not not work\n"); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2030 | op_size = sizeof(struct fuse_operations); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2031 | } |
| 2032 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2033 | f = (struct fuse *) calloc(1, sizeof(struct fuse)); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2034 | if (f == NULL) { |
| 2035 | fprintf(stderr, "fuse: failed to allocate fuse object\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2036 | goto out; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2037 | } |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 2038 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2039 | if (parse_lib_opts(f, opts) == -1) |
| 2040 | goto out_free; |
| 2041 | |
Miklos Szeredi | 8cffdb9 | 2001-11-09 14:49:18 +0000 | [diff] [blame] | 2042 | f->fd = fd; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2043 | f->ctr = 0; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 2044 | f->generation = 0; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 2045 | /* FIXME: Dynamic hash table */ |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2046 | f->name_table_size = 14057; |
| 2047 | f->name_table = (struct node **) |
| 2048 | calloc(1, sizeof(struct node *) * f->name_table_size); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2049 | if (f->name_table == NULL) { |
| 2050 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2051 | goto out_free; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2052 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2053 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2054 | f->id_table_size = 14057; |
| 2055 | f->id_table = (struct node **) |
| 2056 | calloc(1, sizeof(struct node *) * f->id_table_size); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2057 | if (f->id_table == NULL) { |
| 2058 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2059 | goto out_free_name_table; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2060 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2061 | |
Miklos Szeredi | a25d4c2 | 2004-11-23 22:32:16 +0000 | [diff] [blame] | 2062 | #ifndef USE_UCLIBC |
| 2063 | pthread_mutex_init(&f->lock, NULL); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2064 | pthread_mutex_init(&f->worker_lock, NULL); |
Miklos Szeredi | a25d4c2 | 2004-11-23 22:32:16 +0000 | [diff] [blame] | 2065 | #else |
| 2066 | { |
| 2067 | pthread_mutexattr_t attr; |
| 2068 | pthread_mutexattr_init(&attr); |
| 2069 | pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP); |
| 2070 | pthread_mutex_init(&f->lock, &attr); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2071 | pthread_mutex_init(&f->worker_lock, &attr); |
Miklos Szeredi | a25d4c2 | 2004-11-23 22:32:16 +0000 | [diff] [blame] | 2072 | pthread_mutexattr_destroy(&attr); |
| 2073 | } |
| 2074 | #endif |
Miklos Szeredi | 3323203 | 2001-11-19 17:55:51 +0000 | [diff] [blame] | 2075 | f->numworker = 0; |
| 2076 | f->numavail = 0; |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2077 | memcpy(&f->op, op, op_size); |
| 2078 | f->compat = compat; |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 2079 | f->exited = 0; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2080 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2081 | root = (struct node *) calloc(1, sizeof(struct node)); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2082 | if (root == NULL) { |
| 2083 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2084 | goto out_free_id_table; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2085 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2086 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2087 | root->name = strdup("/"); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2088 | if (root->name == NULL) { |
| 2089 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2090 | goto out_free_root; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2091 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2092 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2093 | root->parent = 0; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2094 | root->nodeid = FUSE_ROOT_ID; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 2095 | root->generation = 0; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2096 | root->refctr = 1; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2097 | hash_id(f, root); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2098 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2099 | return f; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2100 | |
| 2101 | out_free_root: |
| 2102 | free(root); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2103 | out_free_id_table: |
| 2104 | free(f->id_table); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2105 | out_free_name_table: |
| 2106 | free(f->name_table); |
| 2107 | out_free: |
| 2108 | free(f); |
| 2109 | out: |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2110 | return NULL; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2111 | } |
| 2112 | |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2113 | struct fuse *fuse_new(int fd, const char *opts, |
| 2114 | const struct fuse_operations *op, size_t op_size) |
| 2115 | { |
| 2116 | return fuse_new_common(fd, opts, op, op_size, 0); |
| 2117 | } |
| 2118 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2119 | struct fuse *fuse_new_compat2(int fd, const char *opts, |
| 2120 | const struct fuse_operations_compat2 *op) |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2121 | { |
| 2122 | return fuse_new_common(fd, opts, (struct fuse_operations *) op, |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2123 | sizeof(struct fuse_operations_compat2), 21); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2124 | } |
| 2125 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2126 | struct fuse *fuse_new_compat1(int fd, int flags, |
| 2127 | const struct fuse_operations_compat1 *op) |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2128 | { |
| 2129 | char *opts = NULL; |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2130 | if (flags & FUSE_DEBUG_COMPAT1) |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2131 | opts = "debug"; |
| 2132 | return fuse_new_common(fd, opts, (struct fuse_operations *) op, |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2133 | sizeof(struct fuse_operations_compat1), 11); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2134 | } |
| 2135 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2136 | void fuse_destroy(struct fuse *f) |
| 2137 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2138 | size_t i; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2139 | for (i = 0; i < f->id_table_size; i++) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2140 | struct node *node; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2141 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2142 | for (node = f->id_table[i]; node != NULL; node = node->id_next) { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2143 | if (node->is_hidden) { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2144 | char *path = get_path(f, node->nodeid); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2145 | if (path) |
| 2146 | f->op.unlink(path); |
| 2147 | } |
| 2148 | } |
| 2149 | } |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2150 | for (i = 0; i < f->id_table_size; i++) { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2151 | struct node *node; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2152 | struct node *next; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2153 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2154 | for (node = f->id_table[i]; node != NULL; node = next) { |
| 2155 | next = node->id_next; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2156 | free_node(node); |
| 2157 | } |
| 2158 | } |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2159 | free(f->id_table); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2160 | free(f->name_table); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2161 | pthread_mutex_destroy(&f->lock); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2162 | pthread_mutex_destroy(&f->worker_lock); |
Miklos Szeredi | 159bd7e | 2005-02-28 17:32:16 +0000 | [diff] [blame] | 2163 | if (f->op.destroy) |
| 2164 | f->op.destroy(f->user_data); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2165 | free(f); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2166 | } |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2167 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2168 | __asm__(".symver fuse_exited,__fuse_exited@"); |
| 2169 | __asm__(".symver fuse_process_cmd,__fuse_process_cmd@"); |
| 2170 | __asm__(".symver fuse_read_cmd,__fuse_read_cmd@"); |
| 2171 | __asm__(".symver fuse_set_getcontext_func,__fuse_set_getcontext_func@"); |
| 2172 | __asm__(".symver fuse_new_compat2,fuse_new@"); |