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 | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 13 | #include "fuse_kernel_compat5.h" |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 14 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 15 | #include <stdio.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 16 | #include <string.h> |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 17 | #include <stdlib.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 18 | #include <unistd.h> |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 19 | #include <limits.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 20 | #include <errno.h> |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 21 | #include <assert.h> |
| 22 | #include <stdint.h> |
Miklos Szeredi | 019b4e9 | 2001-12-26 18:08:09 +0000 | [diff] [blame] | 23 | #include <sys/param.h> |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 24 | #include <sys/uio.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 25 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 26 | /* FUSE flags: */ |
| 27 | |
| 28 | /** Enable debuging output */ |
| 29 | #define FUSE_DEBUG (1 << 1) |
| 30 | |
| 31 | /** If a file is removed but it's still open, don't hide the file but |
| 32 | remove it immediately */ |
| 33 | #define FUSE_HARD_REMOVE (1 << 2) |
| 34 | |
| 35 | /** Use st_ino field in getattr instead of generating inode numbers */ |
| 36 | #define FUSE_USE_INO (1 << 3) |
| 37 | |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 38 | #define FUSE_KERNEL_MINOR_VERSION_NEED 1 |
Miklos Szeredi | a25d4c2 | 2004-11-23 22:32:16 +0000 | [diff] [blame] | 39 | #define FUSE_VERSION_FILE_OLD "/proc/fs/fuse/version" |
Miklos Szeredi | 162bcbb | 2004-11-29 23:43:44 +0000 | [diff] [blame] | 40 | #define FUSE_VERSION_FILE_NEW "/sys/fs/fuse/version" |
Miklos Szeredi | a25d4c2 | 2004-11-23 22:32:16 +0000 | [diff] [blame] | 41 | #define FUSE_DEV_OLD "/proc/fs/fuse/dev" |
| 42 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 43 | #define FUSE_MAX_PATH 4096 |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 44 | #define PARAM_T(inarg, type) (((char *)(inarg)) + sizeof(type)) |
| 45 | #define PARAM(inarg) PARAM_T(inarg, *(inarg)) |
| 46 | #define PARAM_COMPAT(f, inarg, type) \ |
| 47 | ((f)->major == 5 ? PARAM_T(inarg, struct type ## _compat5) : PARAM(inarg)) |
| 48 | |
| 49 | #define MEMBER_COMPAT(f, ptr, memb, type) \ |
| 50 | ((f)->major == 5 ? &((struct type ## _compat5 *) (ptr))->memb : &ptr->memb) |
| 51 | |
| 52 | #define SIZEOF_COMPAT(f, type) \ |
| 53 | ((f)->major == 5 ? sizeof(struct type ## _compat5) : sizeof(struct type)) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 54 | |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 55 | #define ENTRY_REVALIDATE_TIME 1 /* sec */ |
| 56 | #define ATTR_REVALIDATE_TIME 1 /* sec */ |
| 57 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 58 | |
| 59 | struct node { |
| 60 | struct node *name_next; |
| 61 | struct node *id_next; |
| 62 | nodeid_t nodeid; |
| 63 | unsigned int generation; |
| 64 | int refctr; |
| 65 | nodeid_t parent; |
| 66 | char *name; |
| 67 | uint64_t version; |
| 68 | int open_count; |
| 69 | int is_hidden; |
| 70 | }; |
| 71 | |
| 72 | struct fuse_dirhandle { |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 73 | pthread_mutex_t lock; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 74 | struct fuse *fuse; |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 75 | unsigned char *contents; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 76 | int allocated; |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 77 | unsigned len; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 78 | unsigned needlen; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 79 | int filled; |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 80 | unsigned long fh; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 81 | int error; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 82 | }; |
| 83 | |
| 84 | struct fuse_cmd { |
| 85 | char *buf; |
| 86 | size_t buflen; |
| 87 | }; |
| 88 | |
| 89 | |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 90 | static struct fuse_context *(*fuse_getcontext)(void) = NULL; |
| 91 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 92 | #ifndef USE_UCLIBC |
| 93 | #define mutex_init(mut) pthread_mutex_init(mut, NULL) |
| 94 | #else |
| 95 | static void mutex_init(pthread_mutex_t mut) |
| 96 | { |
| 97 | pthread_mutexattr_t attr; |
| 98 | pthread_mutexattr_init(&attr); |
| 99 | pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP); |
| 100 | pthread_mutex_init(mut, &attr); |
| 101 | pthread_mutexattr_destroy(&attr); |
| 102 | } |
| 103 | #endif |
| 104 | |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 105 | static const char *opname(enum fuse_opcode opcode) |
| 106 | { |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 107 | switch (opcode) { |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 108 | case FUSE_LOOKUP: return "LOOKUP"; |
| 109 | case FUSE_FORGET: return "FORGET"; |
| 110 | case FUSE_GETATTR: return "GETATTR"; |
| 111 | case FUSE_SETATTR: return "SETATTR"; |
| 112 | case FUSE_READLINK: return "READLINK"; |
| 113 | case FUSE_SYMLINK: return "SYMLINK"; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 114 | case FUSE_MKNOD: return "MKNOD"; |
| 115 | case FUSE_MKDIR: return "MKDIR"; |
| 116 | case FUSE_UNLINK: return "UNLINK"; |
| 117 | case FUSE_RMDIR: return "RMDIR"; |
| 118 | case FUSE_RENAME: return "RENAME"; |
| 119 | case FUSE_LINK: return "LINK"; |
| 120 | case FUSE_OPEN: return "OPEN"; |
| 121 | case FUSE_READ: return "READ"; |
| 122 | case FUSE_WRITE: return "WRITE"; |
| 123 | case FUSE_STATFS: return "STATFS"; |
Miklos Szeredi | 99f2074 | 2004-05-19 08:01:10 +0000 | [diff] [blame] | 124 | case FUSE_FLUSH: return "FLUSH"; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 125 | case FUSE_RELEASE: return "RELEASE"; |
| 126 | case FUSE_FSYNC: return "FSYNC"; |
| 127 | case FUSE_SETXATTR: return "SETXATTR"; |
| 128 | case FUSE_GETXATTR: return "GETXATTR"; |
| 129 | case FUSE_LISTXATTR: return "LISTXATTR"; |
| 130 | case FUSE_REMOVEXATTR: return "REMOVEXATTR"; |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 131 | case FUSE_INIT: return "INIT"; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 132 | case FUSE_OPENDIR: return "OPENDIR"; |
| 133 | case FUSE_READDIR: return "READDIR"; |
| 134 | case FUSE_RELEASEDIR: return "RELEASEDIR"; |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 135 | case FUSE_FSYNCDIR: return "FSYNCDIR"; |
Miklos Szeredi | 99f2074 | 2004-05-19 08:01:10 +0000 | [diff] [blame] | 136 | default: return "???"; |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 137 | } |
| 138 | } |
| 139 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 140 | static inline void fuse_dec_avail(struct fuse *f) |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 141 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 142 | pthread_mutex_lock(&f->worker_lock); |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 143 | f->numavail --; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 144 | pthread_mutex_unlock(&f->worker_lock); |
| 145 | } |
| 146 | |
| 147 | static inline void fuse_inc_avail(struct fuse *f) |
| 148 | { |
| 149 | pthread_mutex_lock(&f->worker_lock); |
| 150 | f->numavail ++; |
| 151 | pthread_mutex_unlock(&f->worker_lock); |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 152 | } |
| 153 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 154 | static struct node *get_node_nocheck(struct fuse *f, nodeid_t nodeid) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 155 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 156 | size_t hash = nodeid % f->id_table_size; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 157 | struct node *node; |
| 158 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 159 | for (node = f->id_table[hash]; node != NULL; node = node->id_next) |
| 160 | if (node->nodeid == nodeid) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 161 | return node; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 162 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 163 | return NULL; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 164 | } |
| 165 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 166 | static struct node *get_node(struct fuse *f, nodeid_t nodeid) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 167 | { |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 168 | struct node *node = get_node_nocheck(f, nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 169 | if (!node) { |
| 170 | fprintf(stderr, "fuse internal error: node %lu not found\n", |
| 171 | nodeid); |
| 172 | abort(); |
| 173 | } |
| 174 | return node; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 175 | } |
| 176 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 177 | static void free_node(struct node *node) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 178 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 179 | free(node->name); |
| 180 | free(node); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 181 | } |
| 182 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 183 | static void unhash_id(struct fuse *f, struct node *node) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 184 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 185 | size_t hash = node->nodeid % f->id_table_size; |
| 186 | struct node **nodep = &f->id_table[hash]; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 187 | |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 188 | for (; *nodep != NULL; nodep = &(*nodep)->id_next) |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 189 | if (*nodep == node) { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 190 | *nodep = node->id_next; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 191 | return; |
| 192 | } |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 193 | } |
| 194 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 195 | static void hash_id(struct fuse *f, struct node *node) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 196 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 197 | size_t hash = node->nodeid % f->id_table_size; |
| 198 | node->id_next = f->id_table[hash]; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 199 | f->id_table[hash] = node; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 200 | } |
| 201 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 202 | 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] | 203 | { |
| 204 | unsigned int hash = *name; |
| 205 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 206 | if (hash) |
| 207 | for (name += 1; *name != '\0'; name++) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 208 | hash = (hash << 5) - hash + *name; |
| 209 | |
| 210 | return (hash + parent) % f->name_table_size; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 211 | } |
| 212 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 213 | static void unref_node(struct fuse *f, struct node *node); |
| 214 | |
| 215 | static void unhash_name(struct fuse *f, struct node *node) |
| 216 | { |
| 217 | if (node->name) { |
| 218 | size_t hash = name_hash(f, node->parent, node->name); |
| 219 | struct node **nodep = &f->name_table[hash]; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 220 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 221 | for (; *nodep != NULL; nodep = &(*nodep)->name_next) |
| 222 | if (*nodep == node) { |
| 223 | *nodep = node->name_next; |
| 224 | node->name_next = NULL; |
| 225 | unref_node(f, get_node(f, node->parent)); |
| 226 | free(node->name); |
| 227 | node->name = NULL; |
| 228 | node->parent = 0; |
| 229 | return; |
| 230 | } |
| 231 | fprintf(stderr, "fuse internal error: unable to unhash node: %lu\n", |
| 232 | node->nodeid); |
| 233 | abort(); |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | static int hash_name(struct fuse *f, struct node *node, nodeid_t parent, |
| 238 | const char *name) |
| 239 | { |
| 240 | size_t hash = name_hash(f, parent, name); |
| 241 | node->name = strdup(name); |
| 242 | if (node->name == NULL) |
| 243 | return -1; |
| 244 | |
| 245 | get_node(f, parent)->refctr ++; |
| 246 | node->parent = parent; |
| 247 | node->name_next = f->name_table[hash]; |
| 248 | f->name_table[hash] = node; |
| 249 | return 0; |
| 250 | } |
| 251 | |
| 252 | static void delete_node(struct fuse *f, struct node *node) |
| 253 | { |
| 254 | assert(!node->name); |
| 255 | unhash_id(f, node); |
| 256 | free_node(node); |
| 257 | } |
| 258 | |
| 259 | static void unref_node(struct fuse *f, struct node *node) |
| 260 | { |
| 261 | assert(node->refctr > 0); |
| 262 | node->refctr --; |
| 263 | if (!node->refctr) |
| 264 | delete_node(f, node); |
| 265 | } |
| 266 | |
| 267 | static nodeid_t next_id(struct fuse *f) |
| 268 | { |
| 269 | do { |
| 270 | f->ctr++; |
| 271 | if (!f->ctr) |
| 272 | f->generation ++; |
| 273 | } while (f->ctr == 0 || get_node_nocheck(f, f->ctr) != NULL); |
| 274 | return f->ctr; |
| 275 | } |
| 276 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 277 | static struct node *lookup_node(struct fuse *f, nodeid_t parent, |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 278 | const char *name) |
| 279 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 280 | size_t hash = name_hash(f, parent, name); |
| 281 | struct node *node; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 282 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 283 | for (node = f->name_table[hash]; node != NULL; node = node->name_next) |
| 284 | if (node->parent == parent && strcmp(node->name, name) == 0) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 285 | return node; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 286 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 287 | return NULL; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 288 | } |
| 289 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 290 | 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] | 291 | struct fuse_attr *attr, uint64_t version) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 292 | { |
| 293 | struct node *node; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 294 | int mode = attr->mode & S_IFMT; |
| 295 | int rdev = 0; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 296 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 297 | if (S_ISCHR(mode) || S_ISBLK(mode)) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 298 | rdev = attr->rdev; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 299 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 300 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 301 | node = lookup_node(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 302 | if (node != NULL) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 303 | if (!(f->flags & FUSE_USE_INO)) |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 304 | attr->ino = node->nodeid; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 305 | } else { |
| 306 | node = (struct node *) calloc(1, sizeof(struct node)); |
| 307 | if (node == NULL) |
| 308 | goto out_err; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 309 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 310 | node->refctr = 1; |
| 311 | node->nodeid = next_id(f); |
| 312 | if (!(f->flags & FUSE_USE_INO)) |
| 313 | attr->ino = node->nodeid; |
| 314 | node->open_count = 0; |
| 315 | node->is_hidden = 0; |
| 316 | node->generation = f->generation; |
| 317 | if (hash_name(f, node, parent, name) == -1) { |
| 318 | free(node); |
| 319 | node = NULL; |
| 320 | goto out_err; |
| 321 | } |
| 322 | hash_id(f, node); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 323 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 324 | node->version = version; |
Miklos Szeredi | c230991 | 2004-09-21 13:40:38 +0000 | [diff] [blame] | 325 | out_err: |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 326 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 327 | return node; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 328 | } |
| 329 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 330 | static char *add_name(char *buf, char *s, const char *name) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 331 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 332 | size_t len = strlen(name); |
| 333 | s -= len; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 334 | if (s <= buf) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 335 | fprintf(stderr, "fuse: path too long: ...%s\n", s + len); |
| 336 | return NULL; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 337 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 338 | strncpy(s, name, len); |
| 339 | s--; |
| 340 | *s = '/'; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 341 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 342 | return s; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 343 | } |
| 344 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 345 | 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] | 346 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 347 | char buf[FUSE_MAX_PATH]; |
| 348 | char *s = buf + FUSE_MAX_PATH - 1; |
| 349 | struct node *node; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 350 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 351 | *s = '\0'; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 352 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 353 | if (name != NULL) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 354 | s = add_name(buf, s, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 355 | if (s == NULL) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 356 | return NULL; |
| 357 | } |
| 358 | |
| 359 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 360 | for (node = get_node(f, nodeid); node && node->nodeid != FUSE_ROOT_ID; |
| 361 | node = get_node(f, node->parent)) { |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 362 | if (node->name == NULL) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 363 | s = NULL; |
| 364 | break; |
| 365 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 366 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 367 | s = add_name(buf, s, node->name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 368 | if (s == NULL) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 369 | break; |
| 370 | } |
| 371 | pthread_mutex_unlock(&f->lock); |
| 372 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 373 | if (node == NULL || s == NULL) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 374 | return NULL; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 375 | else if (*s == '\0') |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 376 | return strdup("/"); |
| 377 | else |
| 378 | return strdup(s); |
| 379 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 380 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 381 | static char *get_path(struct fuse *f, nodeid_t nodeid) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 382 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 383 | return get_path_name(f, nodeid, NULL); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 384 | } |
| 385 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 386 | 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] | 387 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 388 | struct node *node; |
| 389 | |
| 390 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 391 | node = get_node(f, nodeid); |
| 392 | if (node->version == version && nodeid != FUSE_ROOT_ID) { |
| 393 | node->version = 0; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 394 | unhash_name(f, node); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 395 | unref_node(f, node); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 396 | } |
| 397 | pthread_mutex_unlock(&f->lock); |
| 398 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 399 | } |
| 400 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 401 | 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] | 402 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 403 | struct node *node; |
| 404 | |
| 405 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 406 | node = lookup_node(f, dir, name); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 407 | if (node != NULL) |
| 408 | unhash_name(f, node); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 409 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 410 | } |
| 411 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 412 | static int rename_node(struct fuse *f, nodeid_t olddir, const char *oldname, |
| 413 | nodeid_t newdir, const char *newname, int hide) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 414 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 415 | struct node *node; |
| 416 | struct node *newnode; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 417 | int err = 0; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 418 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 419 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 420 | node = lookup_node(f, olddir, oldname); |
| 421 | newnode = lookup_node(f, newdir, newname); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 422 | if (node == NULL) |
| 423 | goto out; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 424 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 425 | if (newnode != NULL) { |
| 426 | if (hide) { |
| 427 | fprintf(stderr, "fuse: hidden file got created during hiding\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 428 | err = -EBUSY; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 429 | goto out; |
| 430 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 431 | unhash_name(f, newnode); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 432 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 433 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 434 | unhash_name(f, node); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 435 | if (hash_name(f, node, newdir, newname) == -1) { |
| 436 | err = -ENOMEM; |
| 437 | goto out; |
| 438 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 439 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 440 | if (hide) |
| 441 | node->is_hidden = 1; |
| 442 | |
| 443 | out: |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 444 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 445 | return err; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 446 | } |
| 447 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 448 | static void convert_stat(struct stat *stbuf, struct fuse_attr *attr) |
| 449 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 450 | attr->ino = stbuf->st_ino; |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 451 | attr->mode = stbuf->st_mode; |
| 452 | attr->nlink = stbuf->st_nlink; |
| 453 | attr->uid = stbuf->st_uid; |
| 454 | attr->gid = stbuf->st_gid; |
| 455 | attr->rdev = stbuf->st_rdev; |
| 456 | attr->size = stbuf->st_size; |
| 457 | attr->blocks = stbuf->st_blocks; |
| 458 | attr->atime = stbuf->st_atime; |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 459 | attr->mtime = stbuf->st_mtime; |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 460 | attr->ctime = stbuf->st_ctime; |
Miklos Szeredi | cb26451 | 2004-06-23 18:52:50 +0000 | [diff] [blame] | 461 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
| 462 | attr->atimensec = stbuf->st_atim.tv_nsec; |
| 463 | attr->mtimensec = stbuf->st_mtim.tv_nsec; |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 464 | attr->ctimensec = stbuf->st_ctim.tv_nsec; |
Miklos Szeredi | cb26451 | 2004-06-23 18:52:50 +0000 | [diff] [blame] | 465 | #endif |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 466 | } |
| 467 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 468 | static size_t iov_length(const struct iovec *iov, size_t count) |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 469 | { |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 470 | size_t seg; |
| 471 | size_t ret = 0; |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 472 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 473 | for (seg = 0; seg < count; seg++) |
| 474 | ret += iov[seg].iov_len; |
| 475 | return ret; |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 476 | } |
| 477 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 478 | static int send_reply_raw(struct fuse *f, const struct iovec iov[], |
| 479 | size_t count) |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 480 | { |
| 481 | int res; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 482 | unsigned outsize = iov_length(iov, count); |
| 483 | struct fuse_out_header *out = (struct fuse_out_header *) iov[0].iov_base; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 484 | out->len = outsize; |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 485 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 486 | if ((f->flags & FUSE_DEBUG)) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 487 | printf(" unique: %llu, error: %i (%s), outsize: %i\n", |
| 488 | out->unique, out->error, strerror(-out->error), outsize); |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 489 | fflush(stdout); |
| 490 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 491 | |
Miklos Szeredi | 4e71c9f | 2004-02-09 12:05:14 +0000 | [diff] [blame] | 492 | /* This needs to be done before the reply, otherwise the scheduler |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 493 | could play tricks with us, and only let the counter be |
| 494 | increased long after the operation is done */ |
| 495 | fuse_inc_avail(f); |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 496 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 497 | res = writev(f->fd, iov, count); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 498 | if (res == -1) { |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 499 | /* ENOENT means the operation was interrupted */ |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 500 | if (!f->exited && errno != ENOENT) |
Miklos Szeredi | 9624998 | 2001-11-21 12:21:19 +0000 | [diff] [blame] | 501 | perror("fuse: writing device"); |
Miklos Szeredi | 40b9a5a | 2002-12-10 16:09:02 +0000 | [diff] [blame] | 502 | return -errno; |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 503 | } |
Miklos Szeredi | 40b9a5a | 2002-12-10 16:09:02 +0000 | [diff] [blame] | 504 | return 0; |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 505 | } |
| 506 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 507 | static int send_reply(struct fuse *f, struct fuse_in_header *in, int error, |
| 508 | void *arg, size_t argsize) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 509 | { |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 510 | struct fuse_out_header out; |
| 511 | struct iovec iov[2]; |
| 512 | size_t count; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 513 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 514 | if (error <= -1000 || error > 0) { |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 515 | fprintf(stderr, "fuse: bad error value: %i\n", error); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 516 | error = -ERANGE; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 517 | } |
| 518 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 519 | out.unique = in->unique; |
| 520 | out.error = error; |
| 521 | count = 1; |
| 522 | iov[0].iov_base = &out; |
| 523 | iov[0].iov_len = sizeof(struct fuse_out_header); |
| 524 | if (argsize && !error) { |
| 525 | count++; |
| 526 | iov[1].iov_base = arg; |
| 527 | iov[1].iov_len = argsize; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 528 | } |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 529 | return send_reply_raw(f, iov, count); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 530 | } |
| 531 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 532 | 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] | 533 | { |
| 534 | struct node *node; |
| 535 | int isopen = 0; |
| 536 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 537 | node = lookup_node(f, dir, name); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 538 | if (node && node->open_count > 0) |
| 539 | isopen = 1; |
| 540 | pthread_mutex_unlock(&f->lock); |
| 541 | return isopen; |
| 542 | } |
| 543 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 544 | 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] | 545 | char *newname, size_t bufsize) |
| 546 | { |
| 547 | struct stat buf; |
| 548 | struct node *node; |
| 549 | struct node *newnode; |
| 550 | char *newpath; |
| 551 | int res; |
| 552 | int failctr = 10; |
| 553 | |
| 554 | if (!f->op.getattr) |
| 555 | return NULL; |
| 556 | |
| 557 | do { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 558 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 559 | node = lookup_node(f, dir, oldname); |
| 560 | if (node == NULL) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 561 | pthread_mutex_unlock(&f->lock); |
| 562 | return NULL; |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 563 | } |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 564 | do { |
| 565 | f->hidectr ++; |
| 566 | snprintf(newname, bufsize, ".fuse_hidden%08x%08x", |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 567 | (unsigned int) node->nodeid, f->hidectr); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 568 | newnode = lookup_node(f, dir, newname); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 569 | } while(newnode); |
| 570 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 571 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 572 | newpath = get_path_name(f, dir, newname); |
| 573 | if (!newpath) |
| 574 | break; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 575 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 576 | res = f->op.getattr(newpath, &buf); |
| 577 | if (res != 0) |
| 578 | break; |
| 579 | free(newpath); |
| 580 | newpath = NULL; |
| 581 | } while(--failctr); |
| 582 | |
| 583 | return newpath; |
| 584 | } |
| 585 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 586 | 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] | 587 | const char *oldname) |
| 588 | { |
| 589 | char newname[64]; |
| 590 | char *newpath; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 591 | int err = -EBUSY; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 592 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 593 | if (f->op.rename && f->op.unlink) { |
| 594 | newpath = hidden_name(f, dir, oldname, newname, sizeof(newname)); |
| 595 | if (newpath) { |
| 596 | int res = f->op.rename(oldpath, newpath); |
| 597 | if (res == 0) |
| 598 | err = rename_node(f, dir, oldname, dir, newname, 1); |
| 599 | free(newpath); |
| 600 | } |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 601 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 602 | return err; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 603 | } |
| 604 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 605 | static int lookup_path(struct fuse *f, nodeid_t nodeid, uint64_t version, |
| 606 | char *name, const char *path, |
| 607 | struct fuse_entry_out *arg) |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 608 | { |
| 609 | int res; |
| 610 | struct stat buf; |
| 611 | |
| 612 | res = f->op.getattr(path, &buf); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 613 | if (res == 0) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 614 | struct node *node; |
| 615 | |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 616 | memset(arg, 0, sizeof(struct fuse_entry_out)); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 617 | convert_stat(&buf, &arg->attr); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 618 | node = find_node(f, nodeid, name, &arg->attr, version); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 619 | if (node == NULL) |
| 620 | res = -ENOMEM; |
| 621 | else { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 622 | arg->nodeid = node->nodeid; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 623 | arg->generation = node->generation; |
| 624 | arg->entry_valid = ENTRY_REVALIDATE_TIME; |
| 625 | arg->entry_valid_nsec = 0; |
| 626 | arg->attr_valid = ATTR_REVALIDATE_TIME; |
| 627 | arg->attr_valid_nsec = 0; |
| 628 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 629 | printf(" NODEID: %lu\n", (unsigned long) arg->nodeid); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 630 | fflush(stdout); |
| 631 | } |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 632 | } |
| 633 | } |
| 634 | return res; |
| 635 | } |
| 636 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 637 | static void do_lookup(struct fuse *f, struct fuse_in_header *in, char *name) |
| 638 | { |
| 639 | int res; |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 640 | int res2; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 641 | char *path; |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 642 | struct fuse_entry_out arg; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 643 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 644 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 645 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 646 | if (path != NULL) { |
| 647 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 648 | printf("LOOKUP %s\n", path); |
| 649 | fflush(stdout); |
| 650 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 651 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 652 | if (f->op.getattr) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 653 | res = lookup_path(f, in->nodeid, in->unique, name, path, &arg); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 654 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 655 | } |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 656 | res2 = send_reply(f, in, res, &arg, sizeof(arg)); |
| 657 | if (res == 0 && res2 == -ENOENT) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 658 | forget_node(f, arg.nodeid, in->unique); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 659 | } |
| 660 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 661 | static void do_forget(struct fuse *f, struct fuse_in_header *in, |
| 662 | struct fuse_forget_in *arg) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 663 | { |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 664 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 665 | printf("FORGET %lu/%llu\n", (unsigned long) in->nodeid, |
| 666 | arg->version); |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 667 | fflush(stdout); |
| 668 | } |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 669 | forget_node(f, in->nodeid, arg->version); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 670 | } |
| 671 | |
| 672 | static void do_getattr(struct fuse *f, struct fuse_in_header *in) |
| 673 | { |
| 674 | int res; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 675 | char *path; |
| 676 | struct stat buf; |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 677 | struct fuse_attr_out arg; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 678 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 679 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 680 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 681 | if (path != NULL) { |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 682 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 683 | if (f->op.getattr) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 684 | res = f->op.getattr(path, &buf); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 685 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 686 | } |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 687 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 688 | if (res == 0) { |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 689 | memset(&arg, 0, sizeof(struct fuse_attr_out)); |
| 690 | arg.attr_valid = ATTR_REVALIDATE_TIME; |
| 691 | arg.attr_valid_nsec = 0; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 692 | convert_stat(&buf, &arg.attr); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 693 | if (!(f->flags & FUSE_USE_INO)) |
| 694 | arg.attr.ino = in->nodeid; |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 695 | } |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 696 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 697 | send_reply(f, in, res, &arg, sizeof(arg)); |
| 698 | } |
| 699 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 700 | 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] | 701 | { |
| 702 | int res; |
| 703 | |
| 704 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 705 | if (f->op.chmod) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 706 | res = f->op.chmod(path, attr->mode); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 707 | |
| 708 | return res; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 709 | } |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 710 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 711 | 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] | 712 | int valid) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 713 | { |
| 714 | int res; |
| 715 | uid_t uid = (valid & FATTR_UID) ? attr->uid : (uid_t) -1; |
| 716 | gid_t gid = (valid & FATTR_GID) ? attr->gid : (gid_t) -1; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 717 | |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 718 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 719 | if (f->op.chown) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 720 | res = f->op.chown(path, uid, gid); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 721 | |
| 722 | return res; |
| 723 | } |
| 724 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 725 | static int do_truncate(struct fuse *f, const char *path, |
| 726 | struct fuse_attr *attr) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 727 | { |
| 728 | int res; |
| 729 | |
| 730 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 731 | if (f->op.truncate) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 732 | res = f->op.truncate(path, attr->size); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 733 | |
| 734 | return res; |
| 735 | } |
| 736 | |
Miklos Szeredi | 680a69a | 2001-11-16 13:31:14 +0000 | [diff] [blame] | 737 | 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] | 738 | { |
| 739 | int res; |
| 740 | struct utimbuf buf; |
| 741 | buf.actime = attr->atime; |
| 742 | buf.modtime = attr->mtime; |
| 743 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 744 | if (f->op.utime) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 745 | res = f->op.utime(path, &buf); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 746 | |
| 747 | return res; |
| 748 | } |
| 749 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 750 | static void do_setattr(struct fuse *f, struct fuse_in_header *in, |
| 751 | struct fuse_setattr_in *arg) |
| 752 | { |
| 753 | int res; |
| 754 | char *path; |
| 755 | int valid = arg->valid; |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 756 | struct fuse_attr *attr = MEMBER_COMPAT(f, arg, attr, fuse_setattr_in); |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 757 | struct fuse_attr_out outarg; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 758 | |
| 759 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 760 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 761 | if (path != NULL) { |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 762 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 763 | if (f->op.getattr) { |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 764 | res = 0; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 765 | if (!res && (valid & FATTR_MODE)) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 766 | res = do_chmod(f, path, attr); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 767 | if (!res && (valid & (FATTR_UID | FATTR_GID))) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 768 | res = do_chown(f, path, attr, valid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 769 | if (!res && (valid & FATTR_SIZE)) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 770 | res = do_truncate(f, path, attr); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 771 | if (!res && (valid & (FATTR_ATIME | FATTR_MTIME)) == |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 772 | (FATTR_ATIME | FATTR_MTIME)) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 773 | res = do_utime(f, path, attr); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 774 | if (!res) { |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 775 | struct stat buf; |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 776 | res = f->op.getattr(path, &buf); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 777 | if (!res) { |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 778 | memset(&outarg, 0, sizeof(struct fuse_attr_out)); |
| 779 | outarg.attr_valid = ATTR_REVALIDATE_TIME; |
| 780 | outarg.attr_valid_nsec = 0; |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 781 | convert_stat(&buf, &outarg.attr); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 782 | if (!(f->flags & FUSE_USE_INO)) |
| 783 | outarg.attr.ino = in->nodeid; |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 784 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 785 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 786 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 787 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 788 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 789 | send_reply(f, in, res, &outarg, sizeof(outarg)); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 790 | } |
| 791 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 792 | static void do_readlink(struct fuse *f, struct fuse_in_header *in) |
| 793 | { |
| 794 | int res; |
| 795 | char link[PATH_MAX + 1]; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 796 | char *path; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 797 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 798 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 799 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 800 | if (path != NULL) { |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 801 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 802 | if (f->op.readlink) |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 803 | res = f->op.readlink(path, link, sizeof(link)); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 804 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 805 | } |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 806 | link[PATH_MAX] = '\0'; |
Miklos Szeredi | 4b2bef4 | 2002-01-09 12:23:27 +0000 | [diff] [blame] | 807 | send_reply(f, in, res, link, res == 0 ? strlen(link) : 0); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 808 | } |
| 809 | |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 810 | static void do_mknod(struct fuse *f, struct fuse_in_header *in, |
| 811 | struct fuse_mknod_in *inarg) |
| 812 | { |
| 813 | int res; |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 814 | int res2; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 815 | char *path; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 816 | char *name = PARAM(inarg); |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 817 | struct fuse_entry_out outarg; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 818 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 819 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 820 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 821 | if (path != NULL) { |
| 822 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 823 | printf("MKNOD %s\n", path); |
| 824 | fflush(stdout); |
| 825 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 826 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 827 | if (f->op.mknod && f->op.getattr) { |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 828 | res = f->op.mknod(path, inarg->mode, inarg->rdev); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 829 | if (res == 0) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 830 | res = lookup_path(f, in->nodeid, in->unique, name, path, &outarg); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 831 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 832 | free(path); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 833 | } |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 834 | res2 = send_reply(f, in, res, &outarg, sizeof(outarg)); |
| 835 | if (res == 0 && res2 == -ENOENT) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 836 | forget_node(f, outarg.nodeid, in->unique); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 837 | } |
| 838 | |
| 839 | static void do_mkdir(struct fuse *f, struct fuse_in_header *in, |
| 840 | struct fuse_mkdir_in *inarg) |
| 841 | { |
| 842 | int res; |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 843 | int res2; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 844 | char *path; |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 845 | char *name = PARAM_COMPAT(f, inarg, fuse_mkdir_in); |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 846 | struct fuse_entry_out outarg; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 847 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 848 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 849 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 850 | if (path != NULL) { |
| 851 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 852 | printf("MKDIR %s\n", path); |
| 853 | fflush(stdout); |
| 854 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 855 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 856 | if (f->op.mkdir && f->op.getattr) { |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 857 | res = f->op.mkdir(path, inarg->mode); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 858 | if (res == 0) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 859 | res = lookup_path(f, in->nodeid, in->unique, name, path, &outarg); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 860 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 861 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 862 | } |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 863 | res2 = send_reply(f, in, res, &outarg, sizeof(outarg)); |
| 864 | if (res == 0 && res2 == -ENOENT) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 865 | forget_node(f, outarg.nodeid, in->unique); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 866 | } |
| 867 | |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 868 | 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] | 869 | { |
| 870 | int res; |
| 871 | char *path; |
| 872 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 873 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 874 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 875 | if (path != NULL) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 876 | if (f->flags & FUSE_DEBUG) { |
| 877 | printf("UNLINK %s\n", path); |
| 878 | fflush(stdout); |
| 879 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 880 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 881 | if (f->op.unlink) { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 882 | if (!(f->flags & FUSE_HARD_REMOVE) && is_open(f, in->nodeid, name)) |
| 883 | res = hide_node(f, path, in->nodeid, name); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 884 | else { |
| 885 | res = f->op.unlink(path); |
| 886 | if (res == 0) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 887 | remove_node(f, in->nodeid, name); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 888 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 889 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 890 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 891 | free(path); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 892 | } |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 893 | send_reply(f, in, res, NULL, 0); |
| 894 | } |
| 895 | |
| 896 | static void do_rmdir(struct fuse *f, struct fuse_in_header *in, char *name) |
| 897 | { |
| 898 | int res; |
| 899 | char *path; |
| 900 | |
| 901 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 902 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 903 | if (path != NULL) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 904 | if (f->flags & FUSE_DEBUG) { |
| 905 | printf("RMDIR %s\n", path); |
| 906 | fflush(stdout); |
| 907 | } |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 908 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 909 | if (f->op.rmdir) { |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 910 | res = f->op.rmdir(path); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 911 | if (res == 0) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 912 | remove_node(f, in->nodeid, name); |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 913 | } |
| 914 | free(path); |
| 915 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 916 | send_reply(f, in, res, NULL, 0); |
| 917 | } |
| 918 | |
| 919 | static void do_symlink(struct fuse *f, struct fuse_in_header *in, char *name, |
| 920 | char *link) |
| 921 | { |
| 922 | int res; |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 923 | int res2; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 924 | char *path; |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 925 | struct fuse_entry_out outarg; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 926 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 927 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 928 | path = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 929 | if (path != NULL) { |
| 930 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 931 | printf("SYMLINK %s\n", path); |
| 932 | fflush(stdout); |
| 933 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 934 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 935 | if (f->op.symlink && f->op.getattr) { |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 936 | res = f->op.symlink(link, path); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 937 | if (res == 0) |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 938 | res = lookup_path(f, in->nodeid, in->unique, name, path, &outarg); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 939 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 940 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 941 | } |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 942 | res2 = send_reply(f, in, res, &outarg, sizeof(outarg)); |
| 943 | if (res == 0 && res2 == -ENOENT) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 944 | forget_node(f, outarg.nodeid, in->unique); |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 945 | |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 946 | } |
| 947 | |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 948 | static void do_rename(struct fuse *f, struct fuse_in_header *in, |
| 949 | struct fuse_rename_in *inarg) |
| 950 | { |
| 951 | int res; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 952 | nodeid_t olddir = in->nodeid; |
| 953 | nodeid_t newdir = inarg->newdir; |
Miklos Szeredi | 6bf8b68 | 2002-10-28 08:49:39 +0000 | [diff] [blame] | 954 | char *oldname = PARAM(inarg); |
| 955 | char *newname = oldname + strlen(oldname) + 1; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 956 | char *oldpath; |
| 957 | char *newpath; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 958 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 959 | res = -ENOENT; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 960 | oldpath = get_path_name(f, olddir, oldname); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 961 | if (oldpath != NULL) { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 962 | newpath = get_path_name(f, newdir, newname); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 963 | if (newpath != NULL) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 964 | if (f->flags & FUSE_DEBUG) { |
| 965 | printf("RENAME %s -> %s\n", oldpath, newpath); |
| 966 | fflush(stdout); |
| 967 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 968 | res = -ENOSYS; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 969 | if (f->op.rename) { |
| 970 | res = 0; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 971 | if (!(f->flags & FUSE_HARD_REMOVE) && |
Miklos Szeredi | 2529ca2 | 2004-07-13 15:36:52 +0000 | [diff] [blame] | 972 | is_open(f, newdir, newname)) |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 973 | res = hide_node(f, newpath, newdir, newname); |
| 974 | if (res == 0) { |
| 975 | res = f->op.rename(oldpath, newpath); |
| 976 | if (res == 0) |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 977 | res = rename_node(f, olddir, oldname, newdir, newname, 0); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 978 | } |
| 979 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 980 | free(newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 981 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 982 | free(oldpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 983 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 984 | send_reply(f, in, res, NULL, 0); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 985 | } |
| 986 | |
| 987 | static void do_link(struct fuse *f, struct fuse_in_header *in, |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 988 | struct fuse_link_in *arg) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 989 | { |
| 990 | int res; |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 991 | int res2; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 992 | char *oldpath; |
| 993 | char *newpath; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 994 | char *name = PARAM(arg); |
Miklos Szeredi | 254d5ed | 2004-03-02 11:11:24 +0000 | [diff] [blame] | 995 | struct fuse_entry_out outarg; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 996 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 997 | res = -ENOENT; |
Miklos Szeredi | ed6b5dd | 2005-01-26 17:07:59 +0000 | [diff] [blame] | 998 | oldpath = get_path(f, arg->oldnodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 999 | if (oldpath != NULL) { |
Miklos Szeredi | ed6b5dd | 2005-01-26 17:07:59 +0000 | [diff] [blame] | 1000 | newpath = get_path_name(f, in->nodeid, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1001 | if (newpath != NULL) { |
| 1002 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1003 | printf("LINK %s\n", newpath); |
| 1004 | fflush(stdout); |
| 1005 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1006 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1007 | if (f->op.link && f->op.getattr) { |
Miklos Szeredi | 0a7077f | 2001-11-11 18:20:17 +0000 | [diff] [blame] | 1008 | res = f->op.link(oldpath, newpath); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1009 | if (res == 0) |
Miklos Szeredi | ed6b5dd | 2005-01-26 17:07:59 +0000 | [diff] [blame] | 1010 | res = lookup_path(f, in->nodeid, in->unique, name, |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1011 | newpath, &outarg); |
| 1012 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1013 | free(newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1014 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1015 | free(oldpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1016 | } |
Miklos Szeredi | 2778f6c | 2004-06-21 09:45:30 +0000 | [diff] [blame] | 1017 | res2 = send_reply(f, in, res, &outarg, sizeof(outarg)); |
| 1018 | if (res == 0 && res2 == -ENOENT) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1019 | forget_node(f, outarg.nodeid, in->unique); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1020 | } |
| 1021 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1022 | static void do_open(struct fuse *f, struct fuse_in_header *in, |
| 1023 | struct fuse_open_in *arg) |
| 1024 | { |
| 1025 | int res; |
| 1026 | char *path; |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1027 | struct fuse_open_out outarg; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1028 | struct fuse_file_info fi; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1029 | |
Miklos Szeredi | ed3c97c | 2005-02-15 17:04:50 +0000 | [diff] [blame] | 1030 | memset(&outarg, 0, sizeof(outarg)); |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1031 | memset(&fi, 0, sizeof(fi)); |
| 1032 | fi.flags = arg->flags; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1033 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1034 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1035 | if (path != NULL) { |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1036 | res = -ENOSYS; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1037 | if (f->op.open) { |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1038 | if (!f->compat) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1039 | res = f->op.open(path, &fi); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1040 | else |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1041 | res = ((struct fuse_operations_compat2 *) &f->op)->open(path, fi.flags); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1042 | } |
Miklos Szeredi | 40b9a5a | 2002-12-10 16:09:02 +0000 | [diff] [blame] | 1043 | } |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1044 | if (res == 0) { |
| 1045 | int res2; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1046 | outarg.fh = fi.fh; |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1047 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1048 | printf("OPEN[%lu] flags: 0x%x\n", fi.fh, arg->flags); |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1049 | fflush(stdout); |
| 1050 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1051 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1052 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1053 | res2 = send_reply(f, in, res, &outarg, SIZEOF_COMPAT(f, fuse_open_out)); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1054 | if(res2 == -ENOENT) { |
| 1055 | /* The open syscall was interrupted, so it must be cancelled */ |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1056 | if(f->op.release) { |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1057 | if (!f->compat) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1058 | f->op.release(path, &fi); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1059 | else |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1060 | ((struct fuse_operations_compat2 *) &f->op)->release(path, fi.flags); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1061 | } |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1062 | } else { |
| 1063 | struct node *node = get_node(f, in->nodeid); |
| 1064 | node->open_count ++; |
| 1065 | } |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1066 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1067 | } else |
| 1068 | send_reply(f, in, res, NULL, 0); |
| 1069 | |
Miklos Szeredi | 9a31cca | 2004-06-26 21:11:25 +0000 | [diff] [blame] | 1070 | if (path) |
| 1071 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1072 | } |
| 1073 | |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1074 | static void do_flush(struct fuse *f, struct fuse_in_header *in, |
| 1075 | struct fuse_flush_in *arg) |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1076 | { |
| 1077 | char *path; |
| 1078 | int res; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1079 | struct fuse_file_info fi; |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1080 | |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1081 | memset(&fi, 0, sizeof(fi)); |
| 1082 | fi.fh = arg->fh; |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1083 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1084 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1085 | if (path != NULL) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1086 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1087 | printf("FLUSH[%lu]\n", (unsigned long) arg->fh); |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1088 | fflush(stdout); |
| 1089 | } |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1090 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1091 | if (f->op.flush) |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1092 | res = f->op.flush(path, &fi); |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1093 | free(path); |
| 1094 | } |
| 1095 | send_reply(f, in, res, NULL, 0); |
| 1096 | } |
| 1097 | |
Miklos Szeredi | 9478e86 | 2002-12-11 09:50:26 +0000 | [diff] [blame] | 1098 | static void do_release(struct fuse *f, struct fuse_in_header *in, |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1099 | struct fuse_release_in *arg) |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1100 | { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1101 | struct node *node; |
| 1102 | char *path; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1103 | struct fuse_file_info fi; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1104 | int unlink_hidden; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1105 | |
| 1106 | memset(&fi, 0, sizeof(fi)); |
| 1107 | fi.flags = arg->flags; |
| 1108 | fi.fh = arg->fh; |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1109 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1110 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1111 | node = get_node(f, in->nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1112 | assert(node->open_count > 0); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1113 | --node->open_count; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1114 | unlink_hidden = (node->is_hidden && !node->open_count); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1115 | pthread_mutex_unlock(&f->lock); |
| 1116 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1117 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1118 | if (f->flags & FUSE_DEBUG) { |
| 1119 | printf("RELEASE[%lu] flags: 0x%x\n", fi.fh, fi.flags); |
| 1120 | fflush(stdout); |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1121 | } |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1122 | if (f->op.release) { |
| 1123 | if (!f->compat) |
| 1124 | f->op.release(path ? path : "-", &fi); |
| 1125 | else if (path) |
| 1126 | ((struct fuse_operations_compat2 *) &f->op)->release(path, fi.flags); |
| 1127 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1128 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1129 | if(unlink_hidden && path) |
| 1130 | f->op.unlink(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1131 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1132 | if (path) |
| 1133 | free(path); |
| 1134 | |
Miklos Szeredi | 556d03d | 2004-06-30 11:13:41 +0000 | [diff] [blame] | 1135 | send_reply(f, in, 0, NULL, 0); |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1136 | } |
| 1137 | |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1138 | static void do_read(struct fuse *f, struct fuse_in_header *in, |
| 1139 | struct fuse_read_in *arg) |
| 1140 | { |
| 1141 | int res; |
| 1142 | char *path; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1143 | size_t size; |
| 1144 | char *buf; |
| 1145 | struct fuse_file_info fi; |
| 1146 | |
| 1147 | buf = (char *) malloc(arg->size); |
| 1148 | if (buf == NULL) { |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1149 | send_reply(f, in, -ENOMEM, NULL, 0); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1150 | return; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1151 | } |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1152 | |
| 1153 | memset(&fi, 0, sizeof(fi)); |
| 1154 | fi.fh = arg->fh; |
| 1155 | |
| 1156 | res = -ENOENT; |
| 1157 | path = get_path(f, in->nodeid); |
| 1158 | if (path != NULL) { |
| 1159 | if (f->flags & FUSE_DEBUG) { |
| 1160 | printf("READ[%lu] %u bytes from %llu\n", |
| 1161 | (unsigned long) arg->fh, arg->size, arg->offset); |
| 1162 | fflush(stdout); |
| 1163 | } |
| 1164 | |
| 1165 | res = -ENOSYS; |
| 1166 | if (f->op.read) |
| 1167 | res = f->op.read(path, buf, arg->size, arg->offset, &fi); |
| 1168 | free(path); |
| 1169 | } |
| 1170 | |
| 1171 | size = 0; |
| 1172 | if (res >= 0) { |
| 1173 | size = res; |
| 1174 | res = 0; |
| 1175 | if (f->flags & FUSE_DEBUG) { |
| 1176 | printf(" READ[%lu] %u bytes\n", (unsigned long) arg->fh, |
| 1177 | size); |
| 1178 | fflush(stdout); |
| 1179 | } |
| 1180 | } |
| 1181 | |
| 1182 | send_reply(f, in, res, buf, size); |
| 1183 | free(buf); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1184 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1185 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1186 | static void do_write(struct fuse *f, struct fuse_in_header *in, |
| 1187 | struct fuse_write_in *arg) |
| 1188 | { |
| 1189 | int res; |
| 1190 | char *path; |
Miklos Szeredi | ad051c3 | 2004-07-02 09:22:50 +0000 | [diff] [blame] | 1191 | struct fuse_write_out outarg; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1192 | struct fuse_file_info fi; |
| 1193 | |
| 1194 | memset(&fi, 0, sizeof(fi)); |
| 1195 | fi.fh = arg->fh; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1196 | fi.writepage = arg->write_flags & 1; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1197 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1198 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1199 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1200 | if (path != NULL) { |
| 1201 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 1eea032 | 2004-09-27 18:50:11 +0000 | [diff] [blame] | 1202 | printf("WRITE%s[%lu] %u bytes to %llu\n", |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1203 | (arg->write_flags & 1) ? "PAGE" : "", |
| 1204 | (unsigned long) arg->fh, arg->size, arg->offset); |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 1205 | fflush(stdout); |
| 1206 | } |
| 1207 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1208 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1209 | if (f->op.write) |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1210 | res = f->op.write(path, PARAM(arg), arg->size, arg->offset, &fi); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1211 | free(path); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1212 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1213 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1214 | memset(&outarg, 0, sizeof(outarg)); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1215 | if (res >= 0) { |
Miklos Szeredi | ad051c3 | 2004-07-02 09:22:50 +0000 | [diff] [blame] | 1216 | outarg.size = res; |
| 1217 | res = 0; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1218 | } |
| 1219 | |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1220 | send_reply(f, in, res, &outarg, SIZEOF_COMPAT(f, fuse_write_out)); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1221 | } |
| 1222 | |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1223 | static int default_statfs(struct statfs *buf) |
| 1224 | { |
| 1225 | buf->f_namelen = 255; |
| 1226 | buf->f_bsize = 512; |
| 1227 | return 0; |
| 1228 | } |
| 1229 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1230 | static void convert_statfs_compat(struct fuse_statfs_compat1 *compatbuf, |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1231 | struct statfs *statfs) |
| 1232 | { |
| 1233 | statfs->f_bsize = compatbuf->block_size; |
| 1234 | statfs->f_blocks = compatbuf->blocks; |
| 1235 | statfs->f_bfree = compatbuf->blocks_free; |
| 1236 | statfs->f_bavail = compatbuf->blocks_free; |
| 1237 | statfs->f_files = compatbuf->files; |
| 1238 | statfs->f_ffree = compatbuf->files_free; |
| 1239 | statfs->f_namelen = compatbuf->namelen; |
| 1240 | } |
| 1241 | |
Miklos Szeredi | 18e75e4 | 2004-02-19 14:23:27 +0000 | [diff] [blame] | 1242 | static void convert_statfs(struct statfs *statfs, struct fuse_kstatfs *kstatfs) |
| 1243 | { |
| 1244 | kstatfs->bsize = statfs->f_bsize; |
| 1245 | kstatfs->blocks = statfs->f_blocks; |
| 1246 | kstatfs->bfree = statfs->f_bfree; |
| 1247 | kstatfs->bavail = statfs->f_bavail; |
| 1248 | kstatfs->files = statfs->f_files; |
| 1249 | kstatfs->ffree = statfs->f_ffree; |
| 1250 | kstatfs->namelen = statfs->f_namelen; |
| 1251 | } |
| 1252 | |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1253 | static void do_statfs(struct fuse *f, struct fuse_in_header *in) |
| 1254 | { |
| 1255 | int res; |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1256 | struct fuse_statfs_out arg; |
Miklos Szeredi | 18e75e4 | 2004-02-19 14:23:27 +0000 | [diff] [blame] | 1257 | struct statfs buf; |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1258 | |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1259 | memset(&buf, 0, sizeof(struct statfs)); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1260 | if (f->op.statfs) { |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1261 | if (!f->compat || f->compat > 11) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1262 | res = f->op.statfs("/", &buf); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1263 | else { |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1264 | struct fuse_statfs_compat1 compatbuf; |
| 1265 | memset(&compatbuf, 0, sizeof(struct fuse_statfs_compat1)); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1266 | res = ((struct fuse_operations_compat1 *) &f->op)->statfs(&compatbuf); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 1267 | if (res == 0) |
| 1268 | convert_statfs_compat(&compatbuf, &buf); |
| 1269 | } |
| 1270 | } |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1271 | else |
| 1272 | res = default_statfs(&buf); |
| 1273 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1274 | if (res == 0) |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1275 | convert_statfs(&buf, &arg.st); |
Miklos Szeredi | 4b2bef4 | 2002-01-09 12:23:27 +0000 | [diff] [blame] | 1276 | |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1277 | send_reply(f, in, res, &arg, sizeof(arg)); |
| 1278 | } |
| 1279 | |
Miklos Szeredi | 5e43f2c | 2003-12-12 14:06:41 +0000 | [diff] [blame] | 1280 | static void do_fsync(struct fuse *f, struct fuse_in_header *in, |
| 1281 | struct fuse_fsync_in *inarg) |
| 1282 | { |
| 1283 | int res; |
| 1284 | char *path; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1285 | struct fuse_file_info fi; |
| 1286 | |
| 1287 | memset(&fi, 0, sizeof(fi)); |
| 1288 | fi.fh = inarg->fh; |
Miklos Szeredi | 5e43f2c | 2003-12-12 14:06:41 +0000 | [diff] [blame] | 1289 | |
| 1290 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1291 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1292 | if (path != NULL) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1293 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1294 | printf("FSYNC[%lu]\n", (unsigned long) inarg->fh); |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1295 | fflush(stdout); |
| 1296 | } |
Miklos Szeredi | 63b8c1c | 2004-06-03 14:45:04 +0000 | [diff] [blame] | 1297 | res = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1298 | if (f->op.fsync) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1299 | res = f->op.fsync(path, inarg->fsync_flags & 1, &fi); |
Miklos Szeredi | 5e43f2c | 2003-12-12 14:06:41 +0000 | [diff] [blame] | 1300 | free(path); |
| 1301 | } |
| 1302 | send_reply(f, in, res, NULL, 0); |
| 1303 | } |
| 1304 | |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1305 | static void do_setxattr(struct fuse *f, struct fuse_in_header *in, |
| 1306 | struct fuse_setxattr_in *arg) |
| 1307 | { |
| 1308 | int res; |
| 1309 | char *path; |
| 1310 | char *name = PARAM(arg); |
| 1311 | unsigned char *value = name + strlen(name) + 1; |
| 1312 | |
| 1313 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1314 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1315 | if (path != NULL) { |
Miklos Szeredi | 63b8c1c | 2004-06-03 14:45:04 +0000 | [diff] [blame] | 1316 | res = -ENOSYS; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1317 | if (f->op.setxattr) |
| 1318 | res = f->op.setxattr(path, name, value, arg->size, arg->flags); |
| 1319 | free(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1320 | } |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1321 | send_reply(f, in, res, NULL, 0); |
| 1322 | } |
| 1323 | |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1324 | static int common_getxattr(struct fuse *f, struct fuse_in_header *in, |
| 1325 | const char *name, char *value, size_t size) |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1326 | { |
| 1327 | int res; |
| 1328 | char *path; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1329 | |
| 1330 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1331 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1332 | if (path != NULL) { |
Miklos Szeredi | 63b8c1c | 2004-06-03 14:45:04 +0000 | [diff] [blame] | 1333 | res = -ENOSYS; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1334 | if (f->op.getxattr) |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1335 | res = f->op.getxattr(path, name, value, size); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1336 | free(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1337 | } |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1338 | return res; |
| 1339 | } |
| 1340 | |
| 1341 | static void do_getxattr_read(struct fuse *f, struct fuse_in_header *in, |
| 1342 | const char *name, size_t size) |
| 1343 | { |
| 1344 | int res; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1345 | char *value = (char *) malloc(size); |
| 1346 | if (value == NULL) { |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1347 | send_reply(f, in, -ENOMEM, NULL, 0); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1348 | return; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1349 | } |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1350 | res = common_getxattr(f, in, name, value, size); |
| 1351 | size = 0; |
| 1352 | if (res > 0) { |
| 1353 | size = res; |
| 1354 | res = 0; |
| 1355 | } |
| 1356 | send_reply(f, in, res, value, size); |
| 1357 | free(value); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1358 | } |
| 1359 | |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1360 | static void do_getxattr_size(struct fuse *f, struct fuse_in_header *in, |
| 1361 | const char *name) |
| 1362 | { |
| 1363 | int res; |
| 1364 | struct fuse_getxattr_out arg; |
| 1365 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1366 | memset(&arg, 0, sizeof(arg)); |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1367 | res = common_getxattr(f, in, name, NULL, 0); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1368 | if (res >= 0) { |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1369 | arg.size = res; |
| 1370 | res = 0; |
| 1371 | } |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1372 | send_reply(f, in, res, &arg, SIZEOF_COMPAT(f, fuse_getxattr_out)); |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1373 | } |
| 1374 | |
| 1375 | static void do_getxattr(struct fuse *f, struct fuse_in_header *in, |
| 1376 | struct fuse_getxattr_in *arg) |
| 1377 | { |
| 1378 | char *name = PARAM(arg); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1379 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1380 | if (arg->size) |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1381 | do_getxattr_read(f, in, name, arg->size); |
| 1382 | else |
| 1383 | do_getxattr_size(f, in, name); |
| 1384 | } |
| 1385 | |
| 1386 | static int common_listxattr(struct fuse *f, struct fuse_in_header *in, |
| 1387 | char *list, size_t size) |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1388 | { |
| 1389 | int res; |
| 1390 | char *path; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1391 | |
| 1392 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1393 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1394 | if (path != NULL) { |
Miklos Szeredi | 63b8c1c | 2004-06-03 14:45:04 +0000 | [diff] [blame] | 1395 | res = -ENOSYS; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1396 | if (f->op.listxattr) |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1397 | res = f->op.listxattr(path, list, size); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1398 | free(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1399 | } |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1400 | return res; |
| 1401 | } |
| 1402 | |
| 1403 | static void do_listxattr_read(struct fuse *f, struct fuse_in_header *in, |
| 1404 | size_t size) |
| 1405 | { |
| 1406 | int res; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1407 | char *list = (char *) malloc(size); |
| 1408 | if (list == NULL) { |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1409 | send_reply(f, in, -ENOMEM, NULL, 0); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1410 | return; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1411 | } |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1412 | res = common_listxattr(f, in, list, size); |
| 1413 | size = 0; |
| 1414 | if (res > 0) { |
| 1415 | size = res; |
| 1416 | res = 0; |
| 1417 | } |
| 1418 | send_reply(f, in, res, list, size); |
| 1419 | free(list); |
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_listxattr_size(struct fuse *f, struct fuse_in_header *in) |
| 1423 | { |
| 1424 | int res; |
| 1425 | struct fuse_getxattr_out arg; |
| 1426 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1427 | memset(&arg, 0, sizeof(arg)); |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1428 | res = common_listxattr(f, in, NULL, 0); |
| 1429 | if (res >= 0) { |
| 1430 | arg.size = res; |
| 1431 | res = 0; |
| 1432 | } |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1433 | send_reply(f, in, res, &arg, SIZEOF_COMPAT(f, fuse_getxattr_out)); |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1434 | } |
| 1435 | |
| 1436 | static void do_listxattr(struct fuse *f, struct fuse_in_header *in, |
| 1437 | struct fuse_getxattr_in *arg) |
| 1438 | { |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1439 | if (arg->size) |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1440 | do_listxattr_read(f, in, arg->size); |
| 1441 | else |
| 1442 | do_listxattr_size(f, in); |
| 1443 | } |
| 1444 | |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1445 | static void do_removexattr(struct fuse *f, struct fuse_in_header *in, |
| 1446 | char *name) |
| 1447 | { |
| 1448 | int res; |
| 1449 | char *path; |
| 1450 | |
| 1451 | res = -ENOENT; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1452 | path = get_path(f, in->nodeid); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1453 | if (path != NULL) { |
Miklos Szeredi | 63b8c1c | 2004-06-03 14:45:04 +0000 | [diff] [blame] | 1454 | res = -ENOSYS; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1455 | if (f->op.removexattr) |
| 1456 | res = f->op.removexattr(path, name); |
| 1457 | free(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1458 | } |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1459 | send_reply(f, in, res, NULL, 0); |
| 1460 | } |
| 1461 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1462 | static void do_init(struct fuse *f, struct fuse_in_header *in, |
| 1463 | struct fuse_init_in_out *arg) |
| 1464 | { |
| 1465 | struct fuse_init_in_out outarg; |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1466 | |
| 1467 | if (in->padding == 5) { |
| 1468 | arg->minor = arg->major; |
| 1469 | arg->major = in->padding; |
| 1470 | } |
| 1471 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1472 | if (f->flags & FUSE_DEBUG) { |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1473 | printf("INIT: %u.%u\n", arg->major, arg->minor); |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1474 | fflush(stdout); |
| 1475 | } |
| 1476 | f->got_init = 1; |
Miklos Szeredi | 159bd7e | 2005-02-28 17:32:16 +0000 | [diff] [blame] | 1477 | if (f->op.init) |
| 1478 | f->user_data = f->op.init(); |
| 1479 | |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1480 | if (arg->major == 5) { |
| 1481 | f->major = 5; |
| 1482 | f->minor = 1; |
| 1483 | } else { |
| 1484 | f->major = FUSE_KERNEL_VERSION; |
| 1485 | f->minor = FUSE_KERNEL_MINOR_VERSION; |
| 1486 | } |
| 1487 | memset(&outarg, 0, sizeof(outarg)); |
| 1488 | outarg.major = f->major; |
| 1489 | outarg.minor = f->minor; |
| 1490 | |
| 1491 | if (f->flags & FUSE_DEBUG) { |
| 1492 | printf(" INIT: %u.%u\n", outarg.major, outarg.minor); |
| 1493 | fflush(stdout); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1494 | } |
| 1495 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1496 | send_reply(f, in, 0, &outarg, sizeof(outarg)); |
| 1497 | } |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1498 | |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1499 | static struct fuse_dirhandle *get_dirhandle(unsigned long fh) |
| 1500 | { |
| 1501 | return (struct fuse_dirhandle *) fh; |
| 1502 | } |
| 1503 | |
| 1504 | static void do_opendir(struct fuse *f, struct fuse_in_header *in, |
| 1505 | struct fuse_open_in *arg) |
| 1506 | { |
| 1507 | int res; |
| 1508 | struct fuse_open_out outarg; |
| 1509 | struct fuse_dirhandle *dh; |
| 1510 | |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1511 | dh = (struct fuse_dirhandle *) malloc(sizeof(struct fuse_dirhandle)); |
| 1512 | if (dh == NULL) { |
| 1513 | send_reply(f, in, -ENOMEM, NULL, 0); |
| 1514 | return; |
| 1515 | } |
| 1516 | memset(dh, 0, sizeof(struct fuse_dirhandle)); |
| 1517 | dh->fuse = f; |
| 1518 | dh->contents = NULL; |
| 1519 | dh->len = 0; |
| 1520 | dh->filled = 0; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1521 | mutex_init(&dh->lock); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1522 | |
| 1523 | memset(&outarg, 0, sizeof(outarg)); |
| 1524 | outarg.fh = (unsigned long) dh; |
| 1525 | |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1526 | if (f->op.opendir) { |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1527 | struct fuse_file_info fi; |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1528 | char *path; |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1529 | |
| 1530 | memset(&fi, 0, sizeof(fi)); |
| 1531 | fi.flags = arg->flags; |
| 1532 | |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1533 | res = -ENOENT; |
| 1534 | path = get_path(f, in->nodeid); |
| 1535 | if (path != NULL) { |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1536 | res = f->op.opendir(path, &fi); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1537 | dh->fh = fi.fh; |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1538 | } |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1539 | if (res == 0) { |
| 1540 | int res2; |
| 1541 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1542 | res2 = send_reply(f, in, res, &outarg, SIZEOF_COMPAT(f, fuse_open_out)); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1543 | if(res2 == -ENOENT) { |
| 1544 | /* The opendir syscall was interrupted, so it must be |
| 1545 | cancelled */ |
| 1546 | if(f->op.releasedir) |
| 1547 | f->op.releasedir(path, &fi); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1548 | pthread_mutex_destroy(&dh->lock); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1549 | free(dh); |
| 1550 | } |
| 1551 | pthread_mutex_unlock(&f->lock); |
| 1552 | } else { |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1553 | send_reply(f, in, res, NULL, 0); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1554 | free(dh); |
Miklos Szeredi | f43f063 | 2005-02-28 11:46:56 +0000 | [diff] [blame] | 1555 | } |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1556 | free(path); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1557 | } else |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1558 | send_reply(f, in, 0, &outarg, SIZEOF_COMPAT(f, fuse_open_out)); |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1559 | } |
| 1560 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1561 | static int fill_dir_common(struct fuse_dirhandle *dh, const char *name, |
| 1562 | int type, ino_t ino, off_t off) |
| 1563 | { |
| 1564 | unsigned namelen = strlen(name); |
| 1565 | unsigned entlen; |
| 1566 | unsigned entsize; |
| 1567 | unsigned padlen; |
| 1568 | unsigned newlen; |
| 1569 | unsigned char *newptr; |
| 1570 | |
| 1571 | if (!(dh->fuse->flags & FUSE_USE_INO)) |
| 1572 | ino = (ino_t) -1; |
| 1573 | |
| 1574 | if (namelen > FUSE_NAME_MAX) |
| 1575 | namelen = FUSE_NAME_MAX; |
| 1576 | else if (!namelen) { |
| 1577 | dh->error = -EIO; |
| 1578 | return 1; |
| 1579 | } |
| 1580 | |
| 1581 | entlen = (dh->fuse->major == 5 ? |
| 1582 | FUSE_NAME_OFFSET_COMPAT5 : FUSE_NAME_OFFSET) + namelen; |
| 1583 | entsize = FUSE_DIRENT_ALIGN(entlen); |
| 1584 | padlen = entsize - entlen; |
| 1585 | newlen = dh->len + entsize; |
| 1586 | if (off && dh->fuse->major != 5) { |
| 1587 | dh->filled = 0; |
| 1588 | if (newlen > dh->needlen) |
| 1589 | return 1; |
| 1590 | } |
| 1591 | |
| 1592 | newptr = realloc(dh->contents, newlen); |
| 1593 | if (!newptr) { |
| 1594 | dh->error = -ENOMEM; |
| 1595 | return 1; |
| 1596 | } |
| 1597 | dh->contents = newptr; |
| 1598 | if (dh->fuse->major == 5) { |
| 1599 | struct fuse_dirent_compat5 *dirent; |
| 1600 | dirent = (struct fuse_dirent_compat5 *) (dh->contents + dh->len); |
| 1601 | dirent->ino = ino; |
| 1602 | dirent->namelen = namelen; |
| 1603 | dirent->type = type; |
| 1604 | strncpy(dirent->name, name, namelen); |
| 1605 | } else { |
| 1606 | struct fuse_dirent *dirent; |
| 1607 | dirent = (struct fuse_dirent *) (dh->contents + dh->len); |
| 1608 | dirent->ino = ino; |
| 1609 | dirent->off = off ? off : newlen; |
| 1610 | dirent->namelen = namelen; |
| 1611 | dirent->type = type; |
| 1612 | strncpy(dirent->name, name, namelen); |
| 1613 | } |
| 1614 | if (padlen) |
| 1615 | memset(dh->contents + dh->len + entlen, 0, padlen); |
| 1616 | dh->len = newlen; |
| 1617 | return 0; |
| 1618 | } |
| 1619 | |
| 1620 | static int fill_dir(void *buf, const char *name, const struct stat *stat, |
| 1621 | off_t off) |
| 1622 | { |
| 1623 | int type = stat ? (stat->st_mode & 0170000) >> 12 : 0; |
| 1624 | ino_t ino = stat ? stat->st_ino : (ino_t) -1; |
| 1625 | return fill_dir_common(buf, name, type, ino, off); |
| 1626 | } |
| 1627 | |
| 1628 | static int fill_dir_old(struct fuse_dirhandle *dh, const char *name, int type, |
| 1629 | ino_t ino) |
| 1630 | { |
| 1631 | fill_dir_common(dh, name, type, ino, 0); |
| 1632 | return dh->error; |
| 1633 | } |
| 1634 | |
| 1635 | static int readdir_fill(struct fuse *f, struct fuse_in_header *in, |
| 1636 | struct fuse_read_in *arg, struct fuse_dirhandle *dh) |
| 1637 | { |
| 1638 | int err = -ENOENT; |
| 1639 | char *path = get_path(f, in->nodeid); |
| 1640 | if (path != NULL) { |
| 1641 | struct fuse_file_info fi; |
| 1642 | |
| 1643 | memset(&fi, 0, sizeof(fi)); |
| 1644 | fi.fh = dh->fh; |
| 1645 | |
| 1646 | dh->len = 0; |
| 1647 | dh->error = 0; |
| 1648 | dh->needlen = arg->size; |
| 1649 | dh->filled = 1; |
| 1650 | err = -ENOSYS; |
| 1651 | if (f->op.readdir) { |
| 1652 | off_t offset = f->major == 5 ? 0 : arg->offset; |
| 1653 | err = f->op.readdir(path, dh, fill_dir, offset, &fi); |
| 1654 | } else if (f->op.getdir) |
| 1655 | err = f->op.getdir(path, dh, fill_dir_old); |
| 1656 | if (!err) |
| 1657 | err = dh->error; |
| 1658 | if (err) |
| 1659 | dh->filled = 0; |
| 1660 | free(path); |
| 1661 | } |
| 1662 | return err; |
| 1663 | } |
| 1664 | |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1665 | static void do_readdir(struct fuse *f, struct fuse_in_header *in, |
| 1666 | struct fuse_read_in *arg) |
| 1667 | { |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1668 | int err = 0; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1669 | struct fuse_dirhandle *dh = get_dirhandle(arg->fh); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1670 | size_t size = 0; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1671 | unsigned char *buf = NULL; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1672 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1673 | pthread_mutex_lock(&dh->lock); |
| 1674 | if (!dh->filled) { |
| 1675 | err = readdir_fill(f, in, arg, dh); |
| 1676 | if (err) |
| 1677 | goto out; |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1678 | } |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1679 | if (dh->filled) { |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 1680 | if (arg->offset < dh->len) { |
| 1681 | size = arg->size; |
| 1682 | if (arg->offset + size > dh->len) |
| 1683 | size = dh->len - arg->offset; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1684 | buf = dh->contents + arg->offset; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1685 | } |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1686 | } else { |
| 1687 | size = dh->len; |
| 1688 | buf = dh->contents; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1689 | } |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1690 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1691 | out: |
| 1692 | send_reply(f, in, err, buf, size); |
| 1693 | pthread_mutex_unlock(&dh->lock); |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1694 | } |
| 1695 | |
| 1696 | static void do_releasedir(struct fuse *f, struct fuse_in_header *in, |
| 1697 | struct fuse_release_in *arg) |
| 1698 | { |
| 1699 | struct fuse_dirhandle *dh = get_dirhandle(arg->fh); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1700 | if (f->op.releasedir) { |
| 1701 | char *path; |
| 1702 | struct fuse_file_info fi; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1703 | |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1704 | memset(&fi, 0, sizeof(fi)); |
| 1705 | fi.fh = dh->fh; |
| 1706 | |
| 1707 | path = get_path(f, in->nodeid); |
| 1708 | f->op.releasedir(path ? path : "-", &fi); |
| 1709 | free(path); |
| 1710 | } |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 1711 | pthread_mutex_lock(&dh->lock); |
| 1712 | pthread_mutex_unlock(&dh->lock); |
| 1713 | pthread_mutex_destroy(&dh->lock); |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 1714 | free(dh->contents); |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1715 | free(dh); |
| 1716 | send_reply(f, in, 0, NULL, 0); |
| 1717 | } |
| 1718 | |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1719 | static void do_fsyncdir(struct fuse *f, struct fuse_in_header *in, |
| 1720 | struct fuse_fsync_in *inarg) |
| 1721 | { |
| 1722 | int res; |
| 1723 | char *path; |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1724 | struct fuse_dirhandle *dh = get_dirhandle(inarg->fh); |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1725 | struct fuse_file_info fi; |
| 1726 | |
| 1727 | memset(&fi, 0, sizeof(fi)); |
Miklos Szeredi | ede1f7a | 2005-04-01 21:08:57 +0000 | [diff] [blame] | 1728 | fi.fh = dh->fh; |
| 1729 | |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1730 | res = -ENOENT; |
| 1731 | path = get_path(f, in->nodeid); |
| 1732 | if (path != NULL) { |
| 1733 | res = -ENOSYS; |
| 1734 | if (f->op.fsyncdir) |
| 1735 | res = f->op.fsyncdir(path, inarg->fsync_flags & 1, &fi); |
| 1736 | free(path); |
| 1737 | } |
| 1738 | send_reply(f, in, res, NULL, 0); |
| 1739 | } |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1740 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1741 | static void free_cmd(struct fuse_cmd *cmd) |
| 1742 | { |
| 1743 | free(cmd->buf); |
| 1744 | free(cmd); |
| 1745 | } |
| 1746 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1747 | void fuse_process_cmd(struct fuse *f, struct fuse_cmd *cmd) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1748 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1749 | struct fuse_in_header *in = (struct fuse_in_header *) cmd->buf; |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1750 | void *inarg = cmd->buf + SIZEOF_COMPAT(f, fuse_in_header); |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1751 | struct fuse_context *ctx = fuse_get_context(); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1752 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1753 | fuse_dec_avail(f); |
Miklos Szeredi | 3323203 | 2001-11-19 17:55:51 +0000 | [diff] [blame] | 1754 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1755 | if ((f->flags & FUSE_DEBUG)) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1756 | printf("unique: %llu, opcode: %s (%i), nodeid: %lu, insize: %i\n", |
| 1757 | in->unique, opname(in->opcode), in->opcode, |
| 1758 | (unsigned long) in->nodeid, cmd->buflen); |
Miklos Szeredi | c0938ea | 2001-11-07 12:35:06 +0000 | [diff] [blame] | 1759 | fflush(stdout); |
| 1760 | } |
Miklos Szeredi | fe25def | 2001-12-20 15:38:05 +0000 | [diff] [blame] | 1761 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1762 | if (!f->got_init && in->opcode != FUSE_INIT) { |
| 1763 | /* Old kernel version probably */ |
| 1764 | send_reply(f, in, -EPROTO, NULL, 0); |
| 1765 | goto out; |
| 1766 | } |
| 1767 | |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1768 | ctx->fuse = f; |
Miklos Szeredi | fe25def | 2001-12-20 15:38:05 +0000 | [diff] [blame] | 1769 | ctx->uid = in->uid; |
| 1770 | ctx->gid = in->gid; |
Miklos Szeredi | 1f18db5 | 2004-09-27 06:54:49 +0000 | [diff] [blame] | 1771 | ctx->pid = in->pid; |
Miklos Szeredi | 159bd7e | 2005-02-28 17:32:16 +0000 | [diff] [blame] | 1772 | ctx->private_data = f->user_data; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1773 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1774 | switch (in->opcode) { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1775 | case FUSE_LOOKUP: |
| 1776 | do_lookup(f, in, (char *) inarg); |
| 1777 | break; |
| 1778 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1779 | case FUSE_GETATTR: |
| 1780 | do_getattr(f, in); |
| 1781 | break; |
| 1782 | |
| 1783 | case FUSE_SETATTR: |
| 1784 | do_setattr(f, in, (struct fuse_setattr_in *) inarg); |
| 1785 | break; |
| 1786 | |
| 1787 | case FUSE_READLINK: |
| 1788 | do_readlink(f, in); |
| 1789 | break; |
| 1790 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1791 | case FUSE_MKNOD: |
| 1792 | do_mknod(f, in, (struct fuse_mknod_in *) inarg); |
| 1793 | break; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1794 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1795 | case FUSE_MKDIR: |
| 1796 | do_mkdir(f, in, (struct fuse_mkdir_in *) inarg); |
| 1797 | break; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1798 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1799 | case FUSE_UNLINK: |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 1800 | do_unlink(f, in, (char *) inarg); |
| 1801 | break; |
| 1802 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1803 | case FUSE_RMDIR: |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 1804 | do_rmdir(f, in, (char *) inarg); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1805 | break; |
| 1806 | |
| 1807 | case FUSE_SYMLINK: |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1808 | do_symlink(f, in, (char *) inarg, |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1809 | ((char *) inarg) + strlen((char *) inarg) + 1); |
| 1810 | break; |
| 1811 | |
| 1812 | case FUSE_RENAME: |
| 1813 | do_rename(f, in, (struct fuse_rename_in *) inarg); |
| 1814 | break; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1815 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1816 | case FUSE_LINK: |
| 1817 | do_link(f, in, (struct fuse_link_in *) inarg); |
| 1818 | break; |
| 1819 | |
| 1820 | case FUSE_OPEN: |
| 1821 | do_open(f, in, (struct fuse_open_in *) inarg); |
| 1822 | break; |
| 1823 | |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1824 | case FUSE_FLUSH: |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1825 | do_flush(f, in, (struct fuse_flush_in *) inarg); |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1826 | break; |
| 1827 | |
Miklos Szeredi | 9478e86 | 2002-12-11 09:50:26 +0000 | [diff] [blame] | 1828 | case FUSE_RELEASE: |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1829 | do_release(f, in, (struct fuse_release_in *) inarg); |
Miklos Szeredi | 9478e86 | 2002-12-11 09:50:26 +0000 | [diff] [blame] | 1830 | break; |
| 1831 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1832 | case FUSE_READ: |
| 1833 | do_read(f, in, (struct fuse_read_in *) inarg); |
| 1834 | break; |
| 1835 | |
| 1836 | case FUSE_WRITE: |
| 1837 | do_write(f, in, (struct fuse_write_in *) inarg); |
| 1838 | break; |
| 1839 | |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1840 | case FUSE_STATFS: |
| 1841 | do_statfs(f, in); |
| 1842 | break; |
| 1843 | |
Miklos Szeredi | 5e43f2c | 2003-12-12 14:06:41 +0000 | [diff] [blame] | 1844 | case FUSE_FSYNC: |
| 1845 | do_fsync(f, in, (struct fuse_fsync_in *) inarg); |
| 1846 | break; |
| 1847 | |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1848 | case FUSE_SETXATTR: |
| 1849 | do_setxattr(f, in, (struct fuse_setxattr_in *) inarg); |
| 1850 | break; |
| 1851 | |
| 1852 | case FUSE_GETXATTR: |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1853 | do_getxattr(f, in, (struct fuse_getxattr_in *) inarg); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1854 | break; |
| 1855 | |
| 1856 | case FUSE_LISTXATTR: |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1857 | do_listxattr(f, in, (struct fuse_getxattr_in *) inarg); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1858 | break; |
| 1859 | |
| 1860 | case FUSE_REMOVEXATTR: |
| 1861 | do_removexattr(f, in, (char *) inarg); |
| 1862 | break; |
| 1863 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1864 | case FUSE_INIT: |
| 1865 | do_init(f, in, (struct fuse_init_in_out *) inarg); |
| 1866 | break; |
| 1867 | |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1868 | case FUSE_OPENDIR: |
| 1869 | do_opendir(f, in, (struct fuse_open_in *) inarg); |
| 1870 | break; |
| 1871 | |
| 1872 | case FUSE_READDIR: |
| 1873 | do_readdir(f, in, (struct fuse_read_in *) inarg); |
| 1874 | break; |
| 1875 | |
| 1876 | case FUSE_RELEASEDIR: |
| 1877 | do_releasedir(f, in, (struct fuse_release_in *) inarg); |
| 1878 | break; |
| 1879 | |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1880 | case FUSE_FSYNCDIR: |
| 1881 | do_fsyncdir(f, in, (struct fuse_fsync_in *) inarg); |
| 1882 | break; |
| 1883 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1884 | default: |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1885 | send_reply(f, in, -ENOSYS, NULL, 0); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1886 | } |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1887 | |
Miklos Szeredi | 3f0005f | 2005-01-04 19:24:31 +0000 | [diff] [blame] | 1888 | out: |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1889 | free_cmd(cmd); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1890 | } |
| 1891 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1892 | int fuse_exited(struct fuse* f) |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1893 | { |
| 1894 | return f->exited; |
| 1895 | } |
| 1896 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1897 | struct fuse_cmd *fuse_read_cmd(struct fuse *f) |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 1898 | { |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 1899 | ssize_t res; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 1900 | struct fuse_cmd *cmd; |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 1901 | struct fuse_in_header *in; |
| 1902 | void *inarg; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 1903 | |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1904 | cmd = (struct fuse_cmd *) malloc(sizeof(struct fuse_cmd)); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1905 | if (cmd == NULL) { |
| 1906 | fprintf(stderr, "fuse: failed to allocate cmd in read\n"); |
| 1907 | return NULL; |
| 1908 | } |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1909 | cmd->buf = (char *) malloc(FUSE_MAX_IN); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1910 | if (cmd->buf == NULL) { |
| 1911 | fprintf(stderr, "fuse: failed to allocate read buffer\n"); |
| 1912 | free(cmd); |
| 1913 | return NULL; |
| 1914 | } |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 1915 | in = (struct fuse_in_header *) cmd->buf; |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1916 | inarg = cmd->buf + SIZEOF_COMPAT(f, fuse_in_header); |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1917 | |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1918 | res = read(f->fd, cmd->buf, FUSE_MAX_IN); |
| 1919 | if (res == -1) { |
| 1920 | free_cmd(cmd); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 1921 | if (fuse_exited(f) || errno == EINTR || errno == ENOENT) |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 1922 | return NULL; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1923 | |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1924 | /* ENODEV means we got unmounted, so we silenty return failure */ |
| 1925 | if (errno != ENODEV) { |
| 1926 | /* BAD... This will happen again */ |
| 1927 | perror("fuse: reading device"); |
| 1928 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1929 | |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1930 | fuse_exit(f); |
| 1931 | return NULL; |
| 1932 | } |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 1933 | if ((size_t) res < SIZEOF_COMPAT(f, fuse_in_header)) { |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1934 | free_cmd(cmd); |
| 1935 | /* Cannot happen */ |
| 1936 | fprintf(stderr, "short read on fuse device\n"); |
| 1937 | fuse_exit(f); |
| 1938 | return NULL; |
| 1939 | } |
| 1940 | cmd->buflen = res; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1941 | |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1942 | /* Forget is special, it can be done without messing with threads. */ |
| 1943 | if (in->opcode == FUSE_FORGET) { |
| 1944 | do_forget(f, in, (struct fuse_forget_in *) inarg); |
| 1945 | free_cmd(cmd); |
| 1946 | return NULL; |
| 1947 | } |
Miklos Szeredi | 99ddf0e | 2001-11-25 17:19:59 +0000 | [diff] [blame] | 1948 | |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 1949 | return cmd; |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 1950 | } |
| 1951 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1952 | int fuse_loop(struct fuse *f) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1953 | { |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1954 | if (f == NULL) |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1955 | return -1; |
Miklos Szeredi | c40748a | 2004-02-20 16:38:45 +0000 | [diff] [blame] | 1956 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1957 | while (1) { |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 1958 | struct fuse_cmd *cmd; |
| 1959 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1960 | if (fuse_exited(f)) |
Miklos Szeredi | 874e3c1 | 2004-11-01 23:15:20 +0000 | [diff] [blame] | 1961 | break; |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 1962 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1963 | cmd = fuse_read_cmd(f); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1964 | if (cmd == NULL) |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 1965 | continue; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1966 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1967 | fuse_process_cmd(f, cmd); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1968 | } |
Miklos Szeredi | 874e3c1 | 2004-11-01 23:15:20 +0000 | [diff] [blame] | 1969 | f->exited = 0; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1970 | return 0; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1971 | } |
| 1972 | |
Miklos Szeredi | 891b874 | 2004-07-29 09:27:49 +0000 | [diff] [blame] | 1973 | int fuse_invalidate(struct fuse *f, const char *path) |
| 1974 | { |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 1975 | (void) f; |
| 1976 | (void) path; |
| 1977 | return -EINVAL; |
Miklos Szeredi | 891b874 | 2004-07-29 09:27:49 +0000 | [diff] [blame] | 1978 | } |
| 1979 | |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 1980 | void fuse_exit(struct fuse *f) |
| 1981 | { |
| 1982 | f->exited = 1; |
| 1983 | } |
| 1984 | |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1985 | struct fuse_context *fuse_get_context() |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 1986 | { |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1987 | static struct fuse_context context; |
| 1988 | if (fuse_getcontext) |
| 1989 | return fuse_getcontext(); |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 1990 | else |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1991 | return &context; |
| 1992 | } |
| 1993 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1994 | void fuse_set_getcontext_func(struct fuse_context *(*func)(void)) |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1995 | { |
| 1996 | fuse_getcontext = func; |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 1997 | } |
| 1998 | |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 1999 | int fuse_is_lib_option(const char *opt) |
| 2000 | { |
| 2001 | if (strcmp(opt, "debug") == 0 || |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2002 | strcmp(opt, "hard_remove") == 0 || |
| 2003 | strcmp(opt, "use_ino") == 0) |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 2004 | return 1; |
| 2005 | else |
| 2006 | return 0; |
| 2007 | } |
| 2008 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2009 | static int parse_lib_opts(struct fuse *f, const char *opts) |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 2010 | { |
| 2011 | if (opts) { |
| 2012 | char *xopts = strdup(opts); |
| 2013 | char *s = xopts; |
| 2014 | char *opt; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2015 | |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2016 | if (xopts == NULL) { |
| 2017 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2018 | return -1; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2019 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 2020 | |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 2021 | while((opt = strsep(&s, ","))) { |
| 2022 | if (strcmp(opt, "debug") == 0) |
| 2023 | f->flags |= FUSE_DEBUG; |
| 2024 | else if (strcmp(opt, "hard_remove") == 0) |
| 2025 | f->flags |= FUSE_HARD_REMOVE; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2026 | else if (strcmp(opt, "use_ino") == 0) |
| 2027 | f->flags |= FUSE_USE_INO; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 2028 | else |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 2029 | fprintf(stderr, "fuse: warning: unknown option `%s'\n", opt); |
| 2030 | } |
| 2031 | free(xopts); |
| 2032 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2033 | return 0; |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 2034 | } |
| 2035 | |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2036 | struct fuse *fuse_new_common(int fd, const char *opts, |
| 2037 | const struct fuse_operations *op, |
| 2038 | size_t op_size, int compat) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2039 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2040 | struct fuse *f; |
| 2041 | struct node *root; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2042 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2043 | if (sizeof(struct fuse_operations) < op_size) { |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2044 | 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] | 2045 | op_size = sizeof(struct fuse_operations); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2046 | } |
| 2047 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2048 | f = (struct fuse *) calloc(1, sizeof(struct fuse)); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2049 | if (f == NULL) { |
| 2050 | fprintf(stderr, "fuse: failed to allocate fuse object\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2051 | goto out; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2052 | } |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 2053 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2054 | if (parse_lib_opts(f, opts) == -1) |
| 2055 | goto out_free; |
| 2056 | |
Miklos Szeredi | 8cffdb9 | 2001-11-09 14:49:18 +0000 | [diff] [blame] | 2057 | f->fd = fd; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2058 | f->ctr = 0; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 2059 | f->generation = 0; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 2060 | /* FIXME: Dynamic hash table */ |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2061 | f->name_table_size = 14057; |
| 2062 | f->name_table = (struct node **) |
| 2063 | calloc(1, sizeof(struct node *) * f->name_table_size); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2064 | if (f->name_table == NULL) { |
| 2065 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2066 | goto out_free; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2067 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2068 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2069 | f->id_table_size = 14057; |
| 2070 | f->id_table = (struct node **) |
| 2071 | calloc(1, sizeof(struct node *) * f->id_table_size); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2072 | if (f->id_table == NULL) { |
| 2073 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2074 | goto out_free_name_table; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2075 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2076 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame^] | 2077 | mutex_init(&f->lock); |
| 2078 | mutex_init(&f->worker_lock); |
Miklos Szeredi | 3323203 | 2001-11-19 17:55:51 +0000 | [diff] [blame] | 2079 | f->numworker = 0; |
| 2080 | f->numavail = 0; |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2081 | memcpy(&f->op, op, op_size); |
| 2082 | f->compat = compat; |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 2083 | f->exited = 0; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2084 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2085 | root = (struct node *) calloc(1, sizeof(struct node)); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2086 | if (root == NULL) { |
| 2087 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2088 | goto out_free_id_table; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2089 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2090 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2091 | root->name = strdup("/"); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2092 | if (root->name == NULL) { |
| 2093 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2094 | goto out_free_root; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2095 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2096 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2097 | root->parent = 0; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2098 | root->nodeid = FUSE_ROOT_ID; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 2099 | root->generation = 0; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2100 | root->refctr = 1; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2101 | hash_id(f, root); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2102 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2103 | return f; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2104 | |
| 2105 | out_free_root: |
| 2106 | free(root); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2107 | out_free_id_table: |
| 2108 | free(f->id_table); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2109 | out_free_name_table: |
| 2110 | free(f->name_table); |
| 2111 | out_free: |
| 2112 | free(f); |
| 2113 | out: |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2114 | return NULL; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2115 | } |
| 2116 | |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2117 | struct fuse *fuse_new(int fd, const char *opts, |
| 2118 | const struct fuse_operations *op, size_t op_size) |
| 2119 | { |
| 2120 | return fuse_new_common(fd, opts, op, op_size, 0); |
| 2121 | } |
| 2122 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2123 | struct fuse *fuse_new_compat2(int fd, const char *opts, |
| 2124 | const struct fuse_operations_compat2 *op) |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2125 | { |
| 2126 | return fuse_new_common(fd, opts, (struct fuse_operations *) op, |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2127 | sizeof(struct fuse_operations_compat2), 21); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2128 | } |
| 2129 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2130 | struct fuse *fuse_new_compat1(int fd, int flags, |
| 2131 | const struct fuse_operations_compat1 *op) |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2132 | { |
| 2133 | char *opts = NULL; |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2134 | if (flags & FUSE_DEBUG_COMPAT1) |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2135 | opts = "debug"; |
| 2136 | return fuse_new_common(fd, opts, (struct fuse_operations *) op, |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2137 | sizeof(struct fuse_operations_compat1), 11); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2138 | } |
| 2139 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2140 | void fuse_destroy(struct fuse *f) |
| 2141 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2142 | size_t i; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2143 | for (i = 0; i < f->id_table_size; i++) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2144 | struct node *node; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2145 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2146 | for (node = f->id_table[i]; node != NULL; node = node->id_next) { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2147 | if (node->is_hidden) { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2148 | char *path = get_path(f, node->nodeid); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2149 | if (path) |
| 2150 | f->op.unlink(path); |
| 2151 | } |
| 2152 | } |
| 2153 | } |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2154 | for (i = 0; i < f->id_table_size; i++) { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2155 | struct node *node; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2156 | struct node *next; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2157 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2158 | for (node = f->id_table[i]; node != NULL; node = next) { |
| 2159 | next = node->id_next; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2160 | free_node(node); |
| 2161 | } |
| 2162 | } |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2163 | free(f->id_table); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2164 | free(f->name_table); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2165 | pthread_mutex_destroy(&f->lock); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2166 | pthread_mutex_destroy(&f->worker_lock); |
Miklos Szeredi | 159bd7e | 2005-02-28 17:32:16 +0000 | [diff] [blame] | 2167 | if (f->op.destroy) |
| 2168 | f->op.destroy(f->user_data); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2169 | free(f); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2170 | } |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2171 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2172 | __asm__(".symver fuse_exited,__fuse_exited@"); |
| 2173 | __asm__(".symver fuse_process_cmd,__fuse_process_cmd@"); |
| 2174 | __asm__(".symver fuse_read_cmd,__fuse_read_cmd@"); |
| 2175 | __asm__(".symver fuse_set_getcontext_func,__fuse_set_getcontext_func@"); |
| 2176 | __asm__(".symver fuse_new_compat2,fuse_new@"); |