Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1 | /* |
| 2 | FUSE: Filesystem in Userspace |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 3 | Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu> |
Miklos Szeredi | 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 | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 9 | |
| 10 | /* For pthread_rwlock_t */ |
| 11 | #define _GNU_SOURCE |
| 12 | |
Miklos Szeredi | 178451d | 2005-08-15 13:19:07 +0000 | [diff] [blame] | 13 | #include "fuse_i.h" |
Miklos Szeredi | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 14 | #include "fuse_lowlevel.h" |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 15 | #include "fuse_opt.h" |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 16 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 17 | #include <stdio.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 18 | #include <string.h> |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 19 | #include <stdlib.h> |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 20 | #include <stddef.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 21 | #include <unistd.h> |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 22 | #include <time.h> |
Miklos Szeredi | b3f9972 | 2005-11-16 13:00:24 +0000 | [diff] [blame] | 23 | #include <fcntl.h> |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 24 | #include <limits.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 25 | #include <errno.h> |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 26 | #include <assert.h> |
Miklos Szeredi | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 27 | #include <pthread.h> |
Miklos Szeredi | 019b4e9 | 2001-12-26 18:08:09 +0000 | [diff] [blame] | 28 | #include <sys/param.h> |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 29 | #include <sys/uio.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 30 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 31 | #define FUSE_MAX_PATH 4096 |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 32 | |
Miklos Szeredi | e248e4b | 2005-12-14 16:18:32 +0000 | [diff] [blame] | 33 | #define FUSE_UNKNOWN_INO 0xffffffff |
| 34 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 35 | struct fuse_config { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 36 | unsigned int uid; |
| 37 | unsigned int gid; |
| 38 | unsigned int umask; |
| 39 | double entry_timeout; |
| 40 | double negative_timeout; |
| 41 | double attr_timeout; |
Miklos Szeredi | 6e806e9 | 2006-02-16 16:59:39 +0000 | [diff] [blame] | 42 | double ac_attr_timeout; |
| 43 | int ac_attr_timeout_set; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 44 | int debug; |
| 45 | int hard_remove; |
| 46 | int use_ino; |
| 47 | int readdir_ino; |
| 48 | int set_mode; |
| 49 | int set_uid; |
| 50 | int set_gid; |
| 51 | int direct_io; |
| 52 | int kernel_cache; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 53 | int auto_cache; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 54 | }; |
| 55 | |
Miklos Szeredi | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 56 | struct fuse { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 57 | struct fuse_session *se; |
Miklos Szeredi | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 58 | struct fuse_operations op; |
| 59 | int compat; |
| 60 | struct node **name_table; |
| 61 | size_t name_table_size; |
| 62 | struct node **id_table; |
| 63 | size_t id_table_size; |
| 64 | fuse_ino_t ctr; |
| 65 | unsigned int generation; |
| 66 | unsigned int hidectr; |
| 67 | pthread_mutex_t lock; |
| 68 | pthread_rwlock_t tree_lock; |
| 69 | void *user_data; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 70 | struct fuse_config conf; |
Miklos Szeredi | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 71 | }; |
| 72 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 73 | struct node { |
| 74 | struct node *name_next; |
| 75 | struct node *id_next; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 76 | fuse_ino_t nodeid; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 77 | unsigned int generation; |
| 78 | int refctr; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 79 | fuse_ino_t parent; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 80 | char *name; |
Miklos Szeredi | 3800902 | 2005-05-08 19:47:22 +0000 | [diff] [blame] | 81 | uint64_t nlookup; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 82 | int open_count; |
| 83 | int is_hidden; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 84 | struct timespec stat_updated; |
| 85 | struct timespec mtime; |
| 86 | off_t size; |
| 87 | int cache_valid; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 88 | }; |
| 89 | |
| 90 | struct fuse_dirhandle { |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 91 | pthread_mutex_t lock; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 92 | struct fuse *fuse; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 93 | fuse_req_t req; |
Miklos Szeredi | 1b18802 | 2005-07-28 11:07:29 +0000 | [diff] [blame] | 94 | char *contents; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 95 | int allocated; |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 96 | unsigned len; |
Miklos Szeredi | c4c12ae | 2005-10-20 14:48:50 +0000 | [diff] [blame] | 97 | unsigned size; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 98 | unsigned needlen; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 99 | int filled; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 100 | uint64_t fh; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 101 | int error; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 102 | fuse_ino_t nodeid; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 103 | }; |
| 104 | |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 105 | static struct fuse_context *(*fuse_getcontext)(void) = NULL; |
| 106 | |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 107 | static int fuse_do_open(struct fuse *, char *, struct fuse_file_info *); |
| 108 | static void fuse_do_release(struct fuse *, char *, struct fuse_file_info *); |
| 109 | static int fuse_do_opendir(struct fuse *, char *, struct fuse_file_info *); |
| 110 | static int fuse_do_statfs(struct fuse *, char *, struct statvfs *); |
| 111 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 112 | #ifndef USE_UCLIBC |
| 113 | #define mutex_init(mut) pthread_mutex_init(mut, NULL) |
| 114 | #else |
Miklos Szeredi | 129ef8f | 2005-06-20 13:48:42 +0000 | [diff] [blame] | 115 | static void mutex_init(pthread_mutex_t *mut) |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 116 | { |
| 117 | pthread_mutexattr_t attr; |
| 118 | pthread_mutexattr_init(&attr); |
| 119 | pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP); |
| 120 | pthread_mutex_init(mut, &attr); |
| 121 | pthread_mutexattr_destroy(&attr); |
| 122 | } |
| 123 | #endif |
| 124 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 125 | static struct node *get_node_nocheck(struct fuse *f, fuse_ino_t nodeid) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 126 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 127 | size_t hash = nodeid % f->id_table_size; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 128 | struct node *node; |
| 129 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 130 | for (node = f->id_table[hash]; node != NULL; node = node->id_next) |
| 131 | if (node->nodeid == nodeid) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 132 | return node; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 133 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 134 | return NULL; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 135 | } |
| 136 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 137 | static struct node *get_node(struct fuse *f, fuse_ino_t nodeid) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 138 | { |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 139 | struct node *node = get_node_nocheck(f, nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 140 | if (!node) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 141 | fprintf(stderr, "fuse internal error: node %llu not found\n", |
| 142 | (unsigned long long) nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 143 | abort(); |
| 144 | } |
| 145 | return node; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 146 | } |
| 147 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 148 | static void free_node(struct node *node) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 149 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 150 | free(node->name); |
| 151 | free(node); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 152 | } |
| 153 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 154 | static void unhash_id(struct fuse *f, struct node *node) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 155 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 156 | size_t hash = node->nodeid % f->id_table_size; |
| 157 | struct node **nodep = &f->id_table[hash]; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 158 | |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 159 | for (; *nodep != NULL; nodep = &(*nodep)->id_next) |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 160 | if (*nodep == node) { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 161 | *nodep = node->id_next; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 162 | return; |
| 163 | } |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 164 | } |
| 165 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 166 | static void hash_id(struct fuse *f, struct node *node) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 167 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 168 | size_t hash = node->nodeid % f->id_table_size; |
| 169 | node->id_next = f->id_table[hash]; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 170 | f->id_table[hash] = node; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 171 | } |
| 172 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 173 | static unsigned int name_hash(struct fuse *f, fuse_ino_t parent, const char *name) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 174 | { |
| 175 | unsigned int hash = *name; |
| 176 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 177 | if (hash) |
| 178 | for (name += 1; *name != '\0'; name++) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 179 | hash = (hash << 5) - hash + *name; |
| 180 | |
| 181 | return (hash + parent) % f->name_table_size; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 182 | } |
| 183 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 184 | static void unref_node(struct fuse *f, struct node *node); |
| 185 | |
| 186 | static void unhash_name(struct fuse *f, struct node *node) |
| 187 | { |
| 188 | if (node->name) { |
| 189 | size_t hash = name_hash(f, node->parent, node->name); |
| 190 | struct node **nodep = &f->name_table[hash]; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 191 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 192 | for (; *nodep != NULL; nodep = &(*nodep)->name_next) |
| 193 | if (*nodep == node) { |
| 194 | *nodep = node->name_next; |
| 195 | node->name_next = NULL; |
| 196 | unref_node(f, get_node(f, node->parent)); |
| 197 | free(node->name); |
| 198 | node->name = NULL; |
| 199 | node->parent = 0; |
| 200 | return; |
| 201 | } |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 202 | fprintf(stderr, "fuse internal error: unable to unhash node: %llu\n", |
| 203 | (unsigned long long) node->nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 204 | abort(); |
| 205 | } |
| 206 | } |
| 207 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 208 | static int hash_name(struct fuse *f, struct node *node, fuse_ino_t parent, |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 209 | const char *name) |
| 210 | { |
| 211 | size_t hash = name_hash(f, parent, name); |
| 212 | node->name = strdup(name); |
| 213 | if (node->name == NULL) |
| 214 | return -1; |
| 215 | |
| 216 | get_node(f, parent)->refctr ++; |
| 217 | node->parent = parent; |
| 218 | node->name_next = f->name_table[hash]; |
| 219 | f->name_table[hash] = node; |
| 220 | return 0; |
| 221 | } |
| 222 | |
| 223 | static void delete_node(struct fuse *f, struct node *node) |
| 224 | { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 225 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 226 | printf("delete: %llu\n", (unsigned long long) node->nodeid); |
Miklos Szeredi | 3800902 | 2005-05-08 19:47:22 +0000 | [diff] [blame] | 227 | fflush(stdout); |
| 228 | } |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 229 | assert(!node->name); |
| 230 | unhash_id(f, node); |
| 231 | free_node(node); |
| 232 | } |
| 233 | |
| 234 | static void unref_node(struct fuse *f, struct node *node) |
| 235 | { |
| 236 | assert(node->refctr > 0); |
| 237 | node->refctr --; |
| 238 | if (!node->refctr) |
| 239 | delete_node(f, node); |
| 240 | } |
| 241 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 242 | static fuse_ino_t next_id(struct fuse *f) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 243 | { |
| 244 | do { |
| 245 | f->ctr++; |
| 246 | if (!f->ctr) |
| 247 | f->generation ++; |
| 248 | } while (f->ctr == 0 || get_node_nocheck(f, f->ctr) != NULL); |
| 249 | return f->ctr; |
| 250 | } |
| 251 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 252 | static struct node *lookup_node(struct fuse *f, fuse_ino_t parent, |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 253 | const char *name) |
| 254 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 255 | size_t hash = name_hash(f, parent, name); |
| 256 | struct node *node; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 257 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 258 | for (node = f->name_table[hash]; node != NULL; node = node->name_next) |
| 259 | if (node->parent == parent && strcmp(node->name, name) == 0) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 260 | return node; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 261 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 262 | return NULL; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 263 | } |
| 264 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 265 | static struct node *find_node(struct fuse *f, fuse_ino_t parent, |
| 266 | const char *name) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 267 | { |
| 268 | struct node *node; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 269 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 270 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 271 | node = lookup_node(f, parent, name); |
Miklos Szeredi | e331c4b | 2005-07-06 13:34:02 +0000 | [diff] [blame] | 272 | if (node == NULL) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 273 | node = (struct node *) calloc(1, sizeof(struct node)); |
| 274 | if (node == NULL) |
| 275 | goto out_err; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 276 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 277 | node->refctr = 1; |
| 278 | node->nodeid = next_id(f); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 279 | node->open_count = 0; |
| 280 | node->is_hidden = 0; |
| 281 | node->generation = f->generation; |
| 282 | if (hash_name(f, node, parent, name) == -1) { |
| 283 | free(node); |
| 284 | node = NULL; |
| 285 | goto out_err; |
| 286 | } |
| 287 | hash_id(f, node); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 288 | } |
Miklos Szeredi | 3800902 | 2005-05-08 19:47:22 +0000 | [diff] [blame] | 289 | node->nlookup ++; |
Miklos Szeredi | c230991 | 2004-09-21 13:40:38 +0000 | [diff] [blame] | 290 | out_err: |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 291 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 292 | return node; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 293 | } |
| 294 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 295 | static char *add_name(char *buf, char *s, const char *name) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 296 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 297 | size_t len = strlen(name); |
| 298 | s -= len; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 299 | if (s <= buf) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 300 | fprintf(stderr, "fuse: path too long: ...%s\n", s + len); |
| 301 | return NULL; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 302 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 303 | strncpy(s, name, len); |
| 304 | s--; |
| 305 | *s = '/'; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 306 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 307 | return s; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 308 | } |
| 309 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 310 | static char *get_path_name(struct fuse *f, fuse_ino_t nodeid, const char *name) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 311 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 312 | char buf[FUSE_MAX_PATH]; |
| 313 | char *s = buf + FUSE_MAX_PATH - 1; |
| 314 | struct node *node; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 315 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 316 | *s = '\0'; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 317 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 318 | if (name != NULL) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 319 | s = add_name(buf, s, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 320 | if (s == NULL) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 321 | return NULL; |
| 322 | } |
| 323 | |
| 324 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 325 | for (node = get_node(f, nodeid); node && node->nodeid != FUSE_ROOT_ID; |
| 326 | node = get_node(f, node->parent)) { |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 327 | if (node->name == NULL) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 328 | s = NULL; |
| 329 | break; |
| 330 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 331 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 332 | s = add_name(buf, s, node->name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 333 | if (s == NULL) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 334 | break; |
| 335 | } |
| 336 | pthread_mutex_unlock(&f->lock); |
| 337 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 338 | if (node == NULL || s == NULL) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 339 | return NULL; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 340 | else if (*s == '\0') |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 341 | return strdup("/"); |
| 342 | else |
| 343 | return strdup(s); |
| 344 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 345 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 346 | static char *get_path(struct fuse *f, fuse_ino_t nodeid) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 347 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 348 | return get_path_name(f, nodeid, NULL); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 349 | } |
| 350 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 351 | static void forget_node(struct fuse *f, fuse_ino_t nodeid, uint64_t nlookup) |
Miklos Szeredi | 3800902 | 2005-05-08 19:47:22 +0000 | [diff] [blame] | 352 | { |
| 353 | struct node *node; |
| 354 | if (nodeid == FUSE_ROOT_ID) |
| 355 | return; |
| 356 | pthread_mutex_lock(&f->lock); |
| 357 | node = get_node(f, nodeid); |
| 358 | assert(node->nlookup >= nlookup); |
| 359 | node->nlookup -= nlookup; |
| 360 | if (!node->nlookup) { |
| 361 | unhash_name(f, node); |
| 362 | unref_node(f, node); |
| 363 | } |
| 364 | pthread_mutex_unlock(&f->lock); |
| 365 | } |
| 366 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 367 | static void remove_node(struct fuse *f, fuse_ino_t dir, const char *name) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 368 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 369 | struct node *node; |
| 370 | |
| 371 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 372 | node = lookup_node(f, dir, name); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 373 | if (node != NULL) |
| 374 | unhash_name(f, node); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 375 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 376 | } |
| 377 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 378 | static int rename_node(struct fuse *f, fuse_ino_t olddir, const char *oldname, |
| 379 | fuse_ino_t newdir, const char *newname, int hide) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 380 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 381 | struct node *node; |
| 382 | struct node *newnode; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 383 | int err = 0; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 384 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 385 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 386 | node = lookup_node(f, olddir, oldname); |
| 387 | newnode = lookup_node(f, newdir, newname); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 388 | if (node == NULL) |
| 389 | goto out; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 390 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 391 | if (newnode != NULL) { |
| 392 | if (hide) { |
| 393 | fprintf(stderr, "fuse: hidden file got created during hiding\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 394 | err = -EBUSY; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 395 | goto out; |
| 396 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 397 | unhash_name(f, newnode); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 398 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 399 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 400 | unhash_name(f, node); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 401 | if (hash_name(f, node, newdir, newname) == -1) { |
| 402 | err = -ENOMEM; |
| 403 | goto out; |
| 404 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 405 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 406 | if (hide) |
| 407 | node->is_hidden = 1; |
| 408 | |
| 409 | out: |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 410 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 411 | return err; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 412 | } |
| 413 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 414 | static void set_stat(struct fuse *f, fuse_ino_t nodeid, struct stat *stbuf) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 415 | { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 416 | if (!f->conf.use_ino) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 417 | stbuf->st_ino = nodeid; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 418 | if (f->conf.set_mode) |
| 419 | stbuf->st_mode = (stbuf->st_mode & S_IFMT) | (0777 & ~f->conf.umask); |
| 420 | if (f->conf.set_uid) |
| 421 | stbuf->st_uid = f->conf.uid; |
| 422 | if (f->conf.set_gid) |
| 423 | stbuf->st_gid = f->conf.gid; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 424 | } |
| 425 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 426 | static int is_open(struct fuse *f, fuse_ino_t dir, const char *name) |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 427 | { |
| 428 | struct node *node; |
| 429 | int isopen = 0; |
| 430 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 431 | node = lookup_node(f, dir, name); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 432 | if (node && node->open_count > 0) |
| 433 | isopen = 1; |
| 434 | pthread_mutex_unlock(&f->lock); |
| 435 | return isopen; |
| 436 | } |
| 437 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 438 | static char *hidden_name(struct fuse *f, fuse_ino_t dir, const char *oldname, |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 439 | char *newname, size_t bufsize) |
| 440 | { |
| 441 | struct stat buf; |
| 442 | struct node *node; |
| 443 | struct node *newnode; |
| 444 | char *newpath; |
| 445 | int res; |
| 446 | int failctr = 10; |
| 447 | |
| 448 | if (!f->op.getattr) |
| 449 | return NULL; |
| 450 | |
| 451 | do { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 452 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 453 | node = lookup_node(f, dir, oldname); |
| 454 | if (node == NULL) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 455 | pthread_mutex_unlock(&f->lock); |
| 456 | return NULL; |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 457 | } |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 458 | do { |
| 459 | f->hidectr ++; |
| 460 | snprintf(newname, bufsize, ".fuse_hidden%08x%08x", |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 461 | (unsigned int) node->nodeid, f->hidectr); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 462 | newnode = lookup_node(f, dir, newname); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 463 | } while(newnode); |
| 464 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 465 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 466 | newpath = get_path_name(f, dir, newname); |
| 467 | if (!newpath) |
| 468 | break; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 469 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 470 | res = f->op.getattr(newpath, &buf); |
| 471 | if (res != 0) |
| 472 | break; |
| 473 | free(newpath); |
| 474 | newpath = NULL; |
| 475 | } while(--failctr); |
| 476 | |
| 477 | return newpath; |
| 478 | } |
| 479 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 480 | static int hide_node(struct fuse *f, const char *oldpath, fuse_ino_t dir, |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 481 | const char *oldname) |
| 482 | { |
| 483 | char newname[64]; |
| 484 | char *newpath; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 485 | int err = -EBUSY; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 486 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 487 | if (f->op.rename && f->op.unlink) { |
| 488 | newpath = hidden_name(f, dir, oldname, newname, sizeof(newname)); |
| 489 | if (newpath) { |
| 490 | int res = f->op.rename(oldpath, newpath); |
| 491 | if (res == 0) |
| 492 | err = rename_node(f, dir, oldname, dir, newname, 1); |
| 493 | free(newpath); |
| 494 | } |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 495 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 496 | return err; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 497 | } |
| 498 | |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 499 | static int mtime_eq(const struct stat *stbuf, const struct timespec *ts) |
| 500 | { |
| 501 | return stbuf->st_mtime == ts->tv_sec |
| 502 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
| 503 | && stbuf->st_mtim.tv_nsec == ts->tv_nsec |
| 504 | #endif |
| 505 | ; |
| 506 | } |
| 507 | |
| 508 | static void mtime_set(const struct stat *stbuf, struct timespec *ts) |
| 509 | { |
| 510 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
| 511 | *ts = stbuf->st_mtim; |
| 512 | #else |
| 513 | ts->tv_sec = stbuf->st_mtime; |
| 514 | #endif |
| 515 | } |
| 516 | |
| 517 | static void curr_time(struct timespec *now) |
| 518 | { |
| 519 | static clockid_t clockid = CLOCK_MONOTONIC; |
| 520 | int res = clock_gettime(clockid, now); |
| 521 | if (res == -1 && errno == EINVAL) { |
| 522 | clockid = CLOCK_REALTIME; |
| 523 | res = clock_gettime(clockid, now); |
| 524 | } |
| 525 | if (res == -1) { |
| 526 | perror("fuse: clock_gettime"); |
| 527 | abort(); |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | static void update_stat(struct node *node, const struct stat *stbuf) |
| 532 | { |
| 533 | if (node->cache_valid && (!mtime_eq(stbuf, &node->mtime) || |
| 534 | stbuf->st_size != node->size)) |
| 535 | node->cache_valid = 0; |
| 536 | mtime_set(stbuf, &node->mtime); |
| 537 | node->size = stbuf->st_size; |
| 538 | curr_time(&node->stat_updated); |
| 539 | } |
| 540 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 541 | static int lookup_path(struct fuse *f, fuse_ino_t nodeid, const char *name, |
Miklos Szeredi | f7eec03 | 2005-10-28 13:09:50 +0000 | [diff] [blame] | 542 | const char *path, struct fuse_entry_param *e, |
| 543 | struct fuse_file_info *fi) |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 544 | { |
| 545 | int res; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 546 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 547 | memset(e, 0, sizeof(struct fuse_entry_param)); |
Miklos Szeredi | f7eec03 | 2005-10-28 13:09:50 +0000 | [diff] [blame] | 548 | if (fi && f->op.fgetattr) |
| 549 | res = f->op.fgetattr(path, &e->attr, fi); |
| 550 | else |
| 551 | res = f->op.getattr(path, &e->attr); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 552 | if (res == 0) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 553 | struct node *node; |
| 554 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 555 | node = find_node(f, nodeid, name); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 556 | if (node == NULL) |
| 557 | res = -ENOMEM; |
| 558 | else { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 559 | e->ino = node->nodeid; |
| 560 | e->generation = node->generation; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 561 | e->entry_timeout = f->conf.entry_timeout; |
| 562 | e->attr_timeout = f->conf.attr_timeout; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 563 | if (f->conf.auto_cache) { |
| 564 | pthread_mutex_lock(&f->lock); |
| 565 | update_stat(node, &e->attr); |
| 566 | pthread_mutex_unlock(&f->lock); |
| 567 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 568 | set_stat(f, e->ino, &e->attr); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 569 | if (f->conf.debug) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 570 | printf(" NODEID: %lu\n", (unsigned long) e->ino); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 571 | fflush(stdout); |
| 572 | } |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 573 | } |
| 574 | } |
| 575 | return res; |
| 576 | } |
| 577 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 578 | static struct fuse *req_fuse(fuse_req_t req) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 579 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 580 | return (struct fuse *) fuse_req_userdata(req); |
| 581 | } |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 582 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 583 | static struct fuse *req_fuse_prepare(fuse_req_t req) |
| 584 | { |
| 585 | struct fuse_context *c = fuse_get_context(); |
| 586 | const struct fuse_ctx *ctx = fuse_req_ctx(req); |
| 587 | c->fuse = req_fuse(req); |
| 588 | c->uid = ctx->uid; |
| 589 | c->gid = ctx->gid; |
| 590 | c->pid = ctx->pid; |
| 591 | c->private_data = c->fuse->user_data; |
| 592 | |
| 593 | return c->fuse; |
| 594 | } |
| 595 | |
| 596 | static inline void reply_err(fuse_req_t req, int err) |
| 597 | { |
| 598 | /* fuse_reply_err() uses non-negated errno values */ |
| 599 | fuse_reply_err(req, -err); |
| 600 | } |
| 601 | |
| 602 | static void reply_entry(fuse_req_t req, const struct fuse_entry_param *e, |
| 603 | int err) |
| 604 | { |
| 605 | if (!err) { |
Miklos Szeredi | b67f216 | 2006-02-20 10:55:33 +0000 | [diff] [blame] | 606 | struct fuse *f = req_fuse(req); |
Miklos Szeredi | 9b813af | 2005-07-21 07:59:37 +0000 | [diff] [blame] | 607 | if (fuse_reply_entry(req, e) == -ENOENT) |
Miklos Szeredi | b67f216 | 2006-02-20 10:55:33 +0000 | [diff] [blame] | 608 | forget_node(f, e->ino, 1); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 609 | } else |
| 610 | reply_err(req, err); |
| 611 | } |
| 612 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 613 | static void fuse_data_init(void *data, struct fuse_conn_info *conn) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 614 | { |
| 615 | struct fuse *f = (struct fuse *) data; |
Miklos Szeredi | 4f5df5e | 2005-10-07 12:39:58 +0000 | [diff] [blame] | 616 | struct fuse_context *c = fuse_get_context(); |
| 617 | |
| 618 | memset(c, 0, sizeof(*c)); |
| 619 | c->fuse = f; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 620 | |
| 621 | if (f->op.init) |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 622 | f->user_data = f->op.init(conn); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 623 | } |
| 624 | |
| 625 | static void fuse_data_destroy(void *data) |
| 626 | { |
| 627 | struct fuse *f = (struct fuse *) data; |
Miklos Szeredi | 4f5df5e | 2005-10-07 12:39:58 +0000 | [diff] [blame] | 628 | struct fuse_context *c = fuse_get_context(); |
| 629 | |
| 630 | memset(c, 0, sizeof(*c)); |
| 631 | c->fuse = f; |
| 632 | c->private_data = f->user_data; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 633 | |
| 634 | if (f->op.destroy) |
| 635 | f->op.destroy(f->user_data); |
| 636 | } |
| 637 | |
| 638 | static void fuse_lookup(fuse_req_t req, fuse_ino_t parent, const char *name) |
| 639 | { |
| 640 | struct fuse *f = req_fuse_prepare(req); |
| 641 | struct fuse_entry_param e; |
| 642 | char *path; |
| 643 | int err; |
| 644 | |
| 645 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 646 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 647 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 648 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 649 | if (f->conf.debug) { |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 650 | printf("LOOKUP %s\n", path); |
| 651 | fflush(stdout); |
| 652 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 653 | err = -ENOSYS; |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 654 | if (f->op.getattr) { |
Miklos Szeredi | f7eec03 | 2005-10-28 13:09:50 +0000 | [diff] [blame] | 655 | err = lookup_path(f, parent, name, path, &e, NULL); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 656 | if (err == -ENOENT && f->conf.negative_timeout != 0.0) { |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 657 | e.ino = 0; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 658 | e.entry_timeout = f->conf.negative_timeout; |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 659 | err = 0; |
| 660 | } |
| 661 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 662 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 663 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 664 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 665 | reply_entry(req, &e, err); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 666 | } |
| 667 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 668 | static void fuse_forget(fuse_req_t req, fuse_ino_t ino, unsigned long nlookup) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 669 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 670 | struct fuse *f = req_fuse(req); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 671 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 672 | printf("FORGET %llu/%lu\n", (unsigned long long) ino, nlookup); |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 673 | fflush(stdout); |
| 674 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 675 | forget_node(f, ino, nlookup); |
| 676 | fuse_reply_none(req); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 677 | } |
| 678 | |
Miklos Szeredi | ecce1bf | 2005-08-25 15:19:06 +0000 | [diff] [blame] | 679 | static void fuse_getattr(fuse_req_t req, fuse_ino_t ino, |
| 680 | struct fuse_file_info *fi) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 681 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 682 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 683 | struct stat buf; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 684 | char *path; |
| 685 | int err; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 686 | |
Miklos Szeredi | ecce1bf | 2005-08-25 15:19:06 +0000 | [diff] [blame] | 687 | (void) fi; |
| 688 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 689 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 690 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 691 | path = get_path(f, ino); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 692 | if (path != NULL) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 693 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 694 | if (f->op.getattr) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 695 | err = f->op.getattr(path, &buf); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 696 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 697 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 698 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 699 | if (!err) { |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 700 | if (f->conf.auto_cache) { |
| 701 | pthread_mutex_lock(&f->lock); |
| 702 | update_stat(get_node(f, ino), &buf); |
| 703 | pthread_mutex_unlock(&f->lock); |
| 704 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 705 | set_stat(f, ino, &buf); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 706 | fuse_reply_attr(req, &buf, f->conf.attr_timeout); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 707 | } else |
| 708 | reply_err(req, err); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 709 | } |
| 710 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 711 | static int do_chmod(struct fuse *f, const char *path, struct stat *attr) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 712 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 713 | int err; |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 714 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 715 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 716 | if (f->op.chmod) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 717 | err = f->op.chmod(path, attr->st_mode); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 718 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 719 | return err; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 720 | } |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 721 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 722 | static int do_chown(struct fuse *f, const char *path, struct stat *attr, |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 723 | int valid) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 724 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 725 | int err; |
| 726 | uid_t uid = (valid & FUSE_SET_ATTR_UID) ? attr->st_uid : (uid_t) -1; |
| 727 | gid_t gid = (valid & FUSE_SET_ATTR_GID) ? attr->st_gid : (gid_t) -1; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 728 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 729 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 730 | if (f->op.chown) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 731 | err = f->op.chown(path, uid, gid); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 732 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 733 | return err; |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 734 | } |
| 735 | |
Miklos Szeredi | 11509ce | 2005-10-26 16:04:04 +0000 | [diff] [blame] | 736 | static int do_truncate(struct fuse *f, const char *path, struct stat *attr, |
| 737 | struct fuse_file_info *fi) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 738 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 739 | int err; |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 740 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 741 | err = -ENOSYS; |
Miklos Szeredi | 11509ce | 2005-10-26 16:04:04 +0000 | [diff] [blame] | 742 | if (fi && f->op.ftruncate) |
| 743 | err = f->op.ftruncate(path, attr->st_size, fi); |
| 744 | else if (f->op.truncate) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 745 | err = f->op.truncate(path, attr->st_size); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 746 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 747 | return err; |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 748 | } |
| 749 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 750 | static int do_utime(struct fuse *f, const char *path, struct stat *attr) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 751 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 752 | int err; |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 753 | struct utimbuf buf; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 754 | buf.actime = attr->st_atime; |
| 755 | buf.modtime = attr->st_mtime; |
| 756 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 757 | if (f->op.utime) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 758 | err = f->op.utime(path, &buf); |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 759 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 760 | return err; |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 761 | } |
| 762 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 763 | static void fuse_setattr(fuse_req_t req, fuse_ino_t ino, struct stat *attr, |
Miklos Szeredi | ecce1bf | 2005-08-25 15:19:06 +0000 | [diff] [blame] | 764 | int valid, struct fuse_file_info *fi) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 765 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 766 | struct fuse *f = req_fuse_prepare(req); |
| 767 | struct stat buf; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 768 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 769 | int err; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 770 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 771 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 772 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 773 | path = get_path(f, ino); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 774 | if (path != NULL) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 775 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 776 | if (f->op.getattr) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 777 | err = 0; |
| 778 | if (!err && (valid & FUSE_SET_ATTR_MODE)) |
| 779 | err = do_chmod(f, path, attr); |
| 780 | if (!err && (valid & (FUSE_SET_ATTR_UID | FUSE_SET_ATTR_GID))) |
| 781 | err = do_chown(f, path, attr, valid); |
| 782 | if (!err && (valid & FUSE_SET_ATTR_SIZE)) |
Miklos Szeredi | 11509ce | 2005-10-26 16:04:04 +0000 | [diff] [blame] | 783 | err = do_truncate(f, path, attr, fi); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 784 | if (!err && (valid & (FUSE_SET_ATTR_ATIME | FUSE_SET_ATTR_MTIME)) == (FUSE_SET_ATTR_ATIME | FUSE_SET_ATTR_MTIME)) |
| 785 | err = do_utime(f, path, attr); |
| 786 | if (!err) |
| 787 | err = f->op.getattr(path, &buf); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 788 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 789 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 790 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 791 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 792 | if (!err) { |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 793 | if (f->conf.auto_cache) { |
| 794 | pthread_mutex_lock(&f->lock); |
| 795 | update_stat(get_node(f, ino), &buf); |
| 796 | pthread_mutex_unlock(&f->lock); |
| 797 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 798 | set_stat(f, ino, &buf); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 799 | fuse_reply_attr(req, &buf, f->conf.attr_timeout); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 800 | } else |
| 801 | reply_err(req, err); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 802 | } |
| 803 | |
Miklos Szeredi | b0b13d1 | 2005-10-26 12:53:25 +0000 | [diff] [blame] | 804 | static void fuse_access(fuse_req_t req, fuse_ino_t ino, int mask) |
| 805 | { |
| 806 | struct fuse *f = req_fuse_prepare(req); |
| 807 | char *path; |
| 808 | int err; |
| 809 | |
| 810 | err = -ENOENT; |
| 811 | pthread_rwlock_rdlock(&f->tree_lock); |
| 812 | path = get_path(f, ino); |
| 813 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 814 | if (f->conf.debug) { |
Miklos Szeredi | b0b13d1 | 2005-10-26 12:53:25 +0000 | [diff] [blame] | 815 | printf("ACCESS %s 0%o\n", path, mask); |
| 816 | fflush(stdout); |
| 817 | } |
| 818 | err = -ENOSYS; |
| 819 | if (f->op.access) |
| 820 | err = f->op.access(path, mask); |
| 821 | free(path); |
| 822 | } |
| 823 | pthread_rwlock_unlock(&f->tree_lock); |
| 824 | reply_err(req, err); |
| 825 | } |
| 826 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 827 | static void fuse_readlink(fuse_req_t req, fuse_ino_t ino) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 828 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 829 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 830 | char linkname[PATH_MAX + 1]; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 831 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 832 | int err; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 833 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 834 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 835 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 836 | path = get_path(f, ino); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 837 | if (path != NULL) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 838 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 839 | if (f->op.readlink) |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 840 | err = f->op.readlink(path, linkname, sizeof(linkname)); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 841 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 842 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 843 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 844 | if (!err) { |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 845 | linkname[PATH_MAX] = '\0'; |
| 846 | fuse_reply_readlink(req, linkname); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 847 | } else |
| 848 | reply_err(req, err); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 849 | } |
| 850 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 851 | static void fuse_mknod(fuse_req_t req, fuse_ino_t parent, const char *name, |
| 852 | mode_t mode, dev_t rdev) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 853 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 854 | struct fuse *f = req_fuse_prepare(req); |
| 855 | struct fuse_entry_param e; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 856 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 857 | int err; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 858 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 859 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 860 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 861 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 862 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 863 | if (f->conf.debug) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 864 | printf("MKNOD %s\n", path); |
| 865 | fflush(stdout); |
| 866 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 867 | err = -ENOSYS; |
Miklos Szeredi | b3f9972 | 2005-11-16 13:00:24 +0000 | [diff] [blame] | 868 | if (S_ISREG(mode) && f->op.create && f->op.getattr) { |
| 869 | struct fuse_file_info fi; |
| 870 | |
| 871 | memset(&fi, 0, sizeof(fi)); |
| 872 | fi.flags = O_CREAT | O_EXCL | O_WRONLY; |
| 873 | err = f->op.create(path, mode, &fi); |
| 874 | if (!err) { |
| 875 | err = lookup_path(f, parent, name, path, &e, &fi); |
| 876 | if (f->op.release) |
| 877 | f->op.release(path, &fi); |
| 878 | } |
| 879 | } else if (f->op.mknod && f->op.getattr) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 880 | err = f->op.mknod(path, mode, rdev); |
| 881 | if (!err) |
Miklos Szeredi | f7eec03 | 2005-10-28 13:09:50 +0000 | [diff] [blame] | 882 | err = lookup_path(f, parent, name, path, &e, NULL); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 883 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 884 | free(path); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 885 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 886 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 887 | reply_entry(req, &e, err); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 888 | } |
| 889 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 890 | static void fuse_mkdir(fuse_req_t req, fuse_ino_t parent, const char *name, |
| 891 | mode_t mode) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 892 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 893 | struct fuse *f = req_fuse_prepare(req); |
| 894 | struct fuse_entry_param e; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 895 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 896 | int err; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 897 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 898 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 899 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 900 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 901 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 902 | if (f->conf.debug) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 903 | printf("MKDIR %s\n", path); |
| 904 | fflush(stdout); |
| 905 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 906 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 907 | if (f->op.mkdir && f->op.getattr) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 908 | err = f->op.mkdir(path, mode); |
| 909 | if (!err) |
Miklos Szeredi | f7eec03 | 2005-10-28 13:09:50 +0000 | [diff] [blame] | 910 | err = lookup_path(f, parent, name, path, &e, NULL); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 911 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 912 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 913 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 914 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 915 | reply_entry(req, &e, err); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 916 | } |
| 917 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 918 | static void fuse_unlink(fuse_req_t req, fuse_ino_t parent, const char *name) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 919 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 920 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 921 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 922 | int err; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 923 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 924 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 925 | pthread_rwlock_wrlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 926 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 927 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 928 | if (f->conf.debug) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 929 | printf("UNLINK %s\n", path); |
| 930 | fflush(stdout); |
| 931 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 932 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 933 | if (f->op.unlink) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 934 | if (!f->conf.hard_remove && is_open(f, parent, name)) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 935 | err = hide_node(f, path, parent, name); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 936 | else { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 937 | err = f->op.unlink(path); |
| 938 | if (!err) |
| 939 | remove_node(f, parent, name); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 940 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 941 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 942 | free(path); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 943 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 944 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 945 | reply_err(req, err); |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 946 | } |
| 947 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 948 | static void fuse_rmdir(fuse_req_t req, fuse_ino_t parent, const char *name) |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 949 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 950 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 951 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 952 | int err; |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 953 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 954 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 955 | pthread_rwlock_wrlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 956 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 957 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 958 | if (f->conf.debug) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 959 | printf("RMDIR %s\n", path); |
| 960 | fflush(stdout); |
| 961 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 962 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 963 | if (f->op.rmdir) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 964 | err = f->op.rmdir(path); |
| 965 | if (!err) |
| 966 | remove_node(f, parent, name); |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 967 | } |
| 968 | free(path); |
| 969 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 970 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 971 | reply_err(req, err); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 972 | } |
| 973 | |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 974 | static void fuse_symlink(fuse_req_t req, const char *linkname, |
| 975 | fuse_ino_t parent, const char *name) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 976 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 977 | struct fuse *f = req_fuse_prepare(req); |
| 978 | struct fuse_entry_param e; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 979 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 980 | int err; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 981 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 982 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 983 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 984 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 985 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 986 | if (f->conf.debug) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 987 | printf("SYMLINK %s\n", path); |
| 988 | fflush(stdout); |
| 989 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 990 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 991 | if (f->op.symlink && f->op.getattr) { |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 992 | err = f->op.symlink(linkname, path); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 993 | if (!err) |
Miklos Szeredi | f7eec03 | 2005-10-28 13:09:50 +0000 | [diff] [blame] | 994 | err = lookup_path(f, parent, name, path, &e, NULL); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 995 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 996 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 997 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 998 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 999 | reply_entry(req, &e, err); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1000 | } |
| 1001 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1002 | static void fuse_rename(fuse_req_t req, fuse_ino_t olddir, const char *oldname, |
| 1003 | fuse_ino_t newdir, const char *newname) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1004 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1005 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1006 | char *oldpath; |
| 1007 | char *newpath; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1008 | int err; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1009 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1010 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1011 | pthread_rwlock_wrlock(&f->tree_lock); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1012 | oldpath = get_path_name(f, olddir, oldname); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1013 | if (oldpath != NULL) { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1014 | newpath = get_path_name(f, newdir, newname); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1015 | if (newpath != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1016 | if (f->conf.debug) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1017 | printf("RENAME %s -> %s\n", oldpath, newpath); |
| 1018 | fflush(stdout); |
| 1019 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1020 | err = -ENOSYS; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1021 | if (f->op.rename) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1022 | err = 0; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1023 | if (!f->conf.hard_remove && |
Miklos Szeredi | 2529ca2 | 2004-07-13 15:36:52 +0000 | [diff] [blame] | 1024 | is_open(f, newdir, newname)) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1025 | err = hide_node(f, newpath, newdir, newname); |
| 1026 | if (!err) { |
| 1027 | err = f->op.rename(oldpath, newpath); |
| 1028 | if (!err) |
| 1029 | err = rename_node(f, olddir, oldname, newdir, newname, 0); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1030 | } |
| 1031 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1032 | free(newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1033 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1034 | free(oldpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1035 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1036 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1037 | reply_err(req, err); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1038 | } |
| 1039 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1040 | static void fuse_link(fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent, |
| 1041 | const char *newname) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1042 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1043 | struct fuse *f = req_fuse_prepare(req); |
| 1044 | struct fuse_entry_param e; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1045 | char *oldpath; |
| 1046 | char *newpath; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1047 | int err; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1048 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1049 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1050 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1051 | oldpath = get_path(f, ino); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1052 | if (oldpath != NULL) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1053 | newpath = get_path_name(f, newparent, newname); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1054 | if (newpath != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1055 | if (f->conf.debug) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1056 | printf("LINK %s\n", newpath); |
| 1057 | fflush(stdout); |
| 1058 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1059 | err = -ENOSYS; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1060 | if (f->op.link && f->op.getattr) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1061 | err = f->op.link(oldpath, newpath); |
| 1062 | if (!err) |
Miklos Szeredi | f7eec03 | 2005-10-28 13:09:50 +0000 | [diff] [blame] | 1063 | err = lookup_path(f, newparent, newname, newpath, &e, NULL); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1064 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1065 | free(newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1066 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1067 | free(oldpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1068 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1069 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1070 | reply_entry(req, &e, err); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1071 | } |
| 1072 | |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1073 | static void fuse_create(fuse_req_t req, fuse_ino_t parent, const char *name, |
| 1074 | mode_t mode, struct fuse_file_info *fi) |
| 1075 | { |
| 1076 | struct fuse *f = req_fuse_prepare(req); |
| 1077 | struct fuse_entry_param e; |
| 1078 | char *path; |
| 1079 | int err; |
| 1080 | |
| 1081 | err = -ENOENT; |
| 1082 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1083 | path = get_path_name(f, parent, name); |
| 1084 | if (path != NULL) { |
| 1085 | err = -ENOSYS; |
| 1086 | if (f->op.create && f->op.getattr) { |
| 1087 | err = f->op.create(path, mode, fi); |
| 1088 | if (!err) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1089 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1090 | printf("CREATE[%llu] flags: 0x%x %s\n", |
| 1091 | (unsigned long long) fi->fh, fi->flags, path); |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1092 | fflush(stdout); |
| 1093 | } |
Miklos Szeredi | f7eec03 | 2005-10-28 13:09:50 +0000 | [diff] [blame] | 1094 | err = lookup_path(f, parent, name, path, &e, fi); |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1095 | if (err) { |
| 1096 | if (f->op.release) |
| 1097 | f->op.release(path, fi); |
| 1098 | } else if (!S_ISREG(e.attr.st_mode)) { |
| 1099 | err = -EIO; |
| 1100 | if (f->op.release) |
| 1101 | f->op.release(path, fi); |
| 1102 | forget_node(f, e.ino, 1); |
| 1103 | } |
| 1104 | } |
| 1105 | } |
| 1106 | } |
| 1107 | |
| 1108 | if (!err) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1109 | if (f->conf.direct_io) |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1110 | fi->direct_io = 1; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1111 | if (f->conf.kernel_cache) |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1112 | fi->keep_cache = 1; |
| 1113 | |
| 1114 | pthread_mutex_lock(&f->lock); |
| 1115 | if (fuse_reply_create(req, &e, fi) == -ENOENT) { |
| 1116 | /* The open syscall was interrupted, so it must be cancelled */ |
| 1117 | if(f->op.release) |
| 1118 | f->op.release(path, fi); |
| 1119 | forget_node(f, e.ino, 1); |
| 1120 | } else { |
| 1121 | struct node *node = get_node(f, e.ino); |
| 1122 | node->open_count ++; |
| 1123 | } |
| 1124 | pthread_mutex_unlock(&f->lock); |
| 1125 | } else |
| 1126 | reply_err(req, err); |
| 1127 | |
| 1128 | if (path) |
| 1129 | free(path); |
| 1130 | pthread_rwlock_unlock(&f->tree_lock); |
| 1131 | } |
| 1132 | |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1133 | static double diff_timespec(const struct timespec *t1, |
| 1134 | const struct timespec *t2) |
| 1135 | { |
| 1136 | return (t1->tv_sec - t2->tv_sec) + |
| 1137 | ((double) t1->tv_nsec - (double) t2->tv_nsec) / 1000000000.0; |
| 1138 | } |
| 1139 | |
| 1140 | static void open_auto_cache(struct fuse *f, fuse_ino_t ino, const char *path, |
| 1141 | struct fuse_file_info *fi) |
| 1142 | { |
| 1143 | struct node *node = get_node(f, ino); |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1144 | if (node->cache_valid) { |
| 1145 | struct timespec now; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1146 | |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1147 | curr_time(&now); |
Miklos Szeredi | 6e806e9 | 2006-02-16 16:59:39 +0000 | [diff] [blame] | 1148 | if (diff_timespec(&now, &node->stat_updated) > f->conf.ac_attr_timeout) { |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1149 | struct stat stbuf; |
| 1150 | int err; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1151 | |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1152 | if (f->op.fgetattr) |
| 1153 | err = f->op.fgetattr(path, &stbuf, fi); |
| 1154 | else |
| 1155 | err = f->op.getattr(path, &stbuf); |
| 1156 | |
| 1157 | if (!err) |
| 1158 | update_stat(node, &stbuf); |
| 1159 | else |
| 1160 | node->cache_valid = 0; |
| 1161 | } |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1162 | } |
| 1163 | if (node->cache_valid) |
| 1164 | fi->keep_cache = 1; |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1165 | |
| 1166 | node->cache_valid = 1; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1167 | } |
| 1168 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1169 | static void fuse_open(fuse_req_t req, fuse_ino_t ino, |
| 1170 | struct fuse_file_info *fi) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1171 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1172 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 31066bb | 2005-08-01 14:49:31 +0000 | [diff] [blame] | 1173 | char *path = NULL; |
| 1174 | int err = 0; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1175 | |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1176 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | 31066bb | 2005-08-01 14:49:31 +0000 | [diff] [blame] | 1177 | if (f->op.open) { |
| 1178 | err = -ENOENT; |
| 1179 | path = get_path(f, ino); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1180 | if (path != NULL) |
| 1181 | err = fuse_do_open(f, path, fi); |
Miklos Szeredi | 40b9a5a | 2002-12-10 16:09:02 +0000 | [diff] [blame] | 1182 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1183 | if (!err) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1184 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1185 | printf("OPEN[%llu] flags: 0x%x\n", (unsigned long long) fi->fh, |
| 1186 | fi->flags); |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1187 | fflush(stdout); |
| 1188 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1189 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1190 | if (f->conf.direct_io) |
Miklos Szeredi | e77cc07 | 2005-08-01 11:58:51 +0000 | [diff] [blame] | 1191 | fi->direct_io = 1; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1192 | if (f->conf.kernel_cache) |
Miklos Szeredi | e77cc07 | 2005-08-01 11:58:51 +0000 | [diff] [blame] | 1193 | fi->keep_cache = 1; |
| 1194 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1195 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1196 | if (f->conf.auto_cache) |
| 1197 | open_auto_cache(f, ino, path, fi); |
| 1198 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1199 | if (fuse_reply_open(req, fi) == -ENOENT) { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1200 | /* The open syscall was interrupted, so it must be cancelled */ |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1201 | if(f->op.release && path != NULL) |
| 1202 | fuse_do_release(f, path, fi); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1203 | } else { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1204 | struct node *node = get_node(f, ino); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1205 | node->open_count ++; |
| 1206 | } |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1207 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1208 | } else |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1209 | reply_err(req, err); |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1210 | |
Miklos Szeredi | 9a31cca | 2004-06-26 21:11:25 +0000 | [diff] [blame] | 1211 | if (path) |
| 1212 | free(path); |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1213 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1214 | } |
| 1215 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1216 | static void fuse_read(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, |
| 1217 | struct fuse_file_info *fi) |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1218 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1219 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1220 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1221 | char *buf; |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1222 | int res; |
| 1223 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1224 | buf = (char *) malloc(size); |
| 1225 | if (buf == NULL) { |
| 1226 | reply_err(req, -ENOMEM); |
| 1227 | return; |
| 1228 | } |
| 1229 | |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1230 | res = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1231 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1232 | path = get_path(f, ino); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1233 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1234 | if (f->conf.debug) { |
Miklos Szeredi | a039f8f | 2006-02-24 16:21:58 +0000 | [diff] [blame] | 1235 | printf("READ[%llu] %lu bytes from %llu\n", |
| 1236 | (unsigned long long) fi->fh, (unsigned long) size, |
| 1237 | (unsigned long long) off); |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1238 | fflush(stdout); |
| 1239 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1240 | |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1241 | res = -ENOSYS; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1242 | if (f->op.read) |
| 1243 | res = f->op.read(path, buf, size, off, fi); |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1244 | free(path); |
| 1245 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1246 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1247 | |
| 1248 | if (res >= 0) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1249 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1250 | printf(" READ[%llu] %u bytes\n", (unsigned long long) fi->fh, |
| 1251 | res); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1252 | fflush(stdout); |
| 1253 | } |
Miklos Szeredi | f412d07 | 2005-10-14 21:24:32 +0000 | [diff] [blame] | 1254 | if ((size_t) res > size) |
| 1255 | fprintf(stderr, "fuse: read too many bytes"); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1256 | fuse_reply_buf(req, buf, res); |
| 1257 | } else |
| 1258 | reply_err(req, res); |
| 1259 | |
| 1260 | free(buf); |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1261 | } |
| 1262 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1263 | static void fuse_write(fuse_req_t req, fuse_ino_t ino, const char *buf, |
| 1264 | size_t size, off_t off, struct fuse_file_info *fi) |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1265 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1266 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1267 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1268 | int res; |
| 1269 | |
| 1270 | res = -ENOENT; |
| 1271 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1272 | path = get_path(f, ino); |
| 1273 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1274 | if (f->conf.debug) { |
Miklos Szeredi | a039f8f | 2006-02-24 16:21:58 +0000 | [diff] [blame] | 1275 | printf("WRITE%s[%llu] %lu bytes to %llu\n", |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1276 | fi->writepage ? "PAGE" : "", (unsigned long long) fi->fh, |
Miklos Szeredi | a039f8f | 2006-02-24 16:21:58 +0000 | [diff] [blame] | 1277 | (unsigned long) size, (unsigned long long) off); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1278 | fflush(stdout); |
| 1279 | } |
| 1280 | |
| 1281 | res = -ENOSYS; |
| 1282 | if (f->op.write) |
| 1283 | res = f->op.write(path, buf, size, off, fi); |
| 1284 | free(path); |
| 1285 | } |
| 1286 | pthread_rwlock_unlock(&f->tree_lock); |
| 1287 | |
Miklos Szeredi | f412d07 | 2005-10-14 21:24:32 +0000 | [diff] [blame] | 1288 | if (res >= 0) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1289 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1290 | printf(" WRITE%s[%llu] %u bytes\n", |
| 1291 | fi->writepage ? "PAGE" : "", (unsigned long long) fi->fh, |
| 1292 | res); |
Miklos Szeredi | f412d07 | 2005-10-14 21:24:32 +0000 | [diff] [blame] | 1293 | fflush(stdout); |
| 1294 | } |
| 1295 | if ((size_t) res > size) |
| 1296 | fprintf(stderr, "fuse: wrote too many bytes"); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1297 | fuse_reply_write(req, res); |
Miklos Szeredi | f412d07 | 2005-10-14 21:24:32 +0000 | [diff] [blame] | 1298 | } else |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1299 | reply_err(req, res); |
| 1300 | } |
| 1301 | |
| 1302 | static void fuse_flush(fuse_req_t req, fuse_ino_t ino, |
| 1303 | struct fuse_file_info *fi) |
| 1304 | { |
| 1305 | struct fuse *f = req_fuse_prepare(req); |
| 1306 | char *path; |
| 1307 | int err; |
| 1308 | |
| 1309 | err = -ENOENT; |
| 1310 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1311 | path = get_path(f, ino); |
| 1312 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1313 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1314 | printf("FLUSH[%llu]\n", (unsigned long long) fi->fh); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1315 | fflush(stdout); |
| 1316 | } |
| 1317 | err = -ENOSYS; |
| 1318 | if (f->op.flush) |
| 1319 | err = f->op.flush(path, fi); |
| 1320 | free(path); |
| 1321 | } |
| 1322 | pthread_rwlock_unlock(&f->tree_lock); |
| 1323 | reply_err(req, err); |
| 1324 | } |
| 1325 | |
| 1326 | static void fuse_release(fuse_req_t req, fuse_ino_t ino, |
| 1327 | struct fuse_file_info *fi) |
| 1328 | { |
| 1329 | struct fuse *f = req_fuse_prepare(req); |
| 1330 | char *path; |
| 1331 | struct node *node; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1332 | int unlink_hidden; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1333 | |
Miklos Szeredi | aa8258e | 2006-02-25 14:42:03 +0000 | [diff] [blame] | 1334 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1335 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1336 | node = get_node(f, ino); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1337 | assert(node->open_count > 0); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1338 | --node->open_count; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1339 | unlink_hidden = (node->is_hidden && !node->open_count); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1340 | pthread_mutex_unlock(&f->lock); |
| 1341 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1342 | path = get_path(f, ino); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1343 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1344 | printf("RELEASE[%llu] flags: 0x%x\n", (unsigned long long) fi->fh, |
| 1345 | fi->flags); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1346 | fflush(stdout); |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1347 | } |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1348 | if (f->op.release) |
| 1349 | fuse_do_release(f, path, fi); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1350 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1351 | if(unlink_hidden && path) |
| 1352 | f->op.unlink(path); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1353 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1354 | if (path) |
| 1355 | free(path); |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1356 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1357 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1358 | reply_err(req, 0); |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1359 | } |
| 1360 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1361 | static void fuse_fsync(fuse_req_t req, fuse_ino_t ino, int datasync, |
| 1362 | struct fuse_file_info *fi) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1363 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1364 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1365 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1366 | int err; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 1367 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1368 | err = -ENOENT; |
| 1369 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1370 | path = get_path(f, ino); |
| 1371 | if (path != NULL) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1372 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1373 | printf("FSYNC[%llu]\n", (unsigned long long) fi->fh); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1374 | fflush(stdout); |
| 1375 | } |
| 1376 | err = -ENOSYS; |
| 1377 | if (f->op.fsync) |
| 1378 | err = f->op.fsync(path, datasync, fi); |
| 1379 | free(path); |
| 1380 | } |
| 1381 | pthread_rwlock_unlock(&f->tree_lock); |
| 1382 | reply_err(req, err); |
| 1383 | } |
| 1384 | |
| 1385 | static struct fuse_dirhandle *get_dirhandle(const struct fuse_file_info *llfi, |
| 1386 | struct fuse_file_info *fi) |
| 1387 | { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1388 | struct fuse_dirhandle *dh = (struct fuse_dirhandle *) (uintptr_t) llfi->fh; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1389 | memset(fi, 0, sizeof(struct fuse_file_info)); |
| 1390 | fi->fh = dh->fh; |
Miklos Szeredi | ead7f10 | 2005-11-28 16:02:27 +0000 | [diff] [blame] | 1391 | fi->fh_old = dh->fh; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1392 | return dh; |
| 1393 | } |
| 1394 | |
| 1395 | static void fuse_opendir(fuse_req_t req, fuse_ino_t ino, |
| 1396 | struct fuse_file_info *llfi) |
| 1397 | { |
| 1398 | struct fuse *f = req_fuse_prepare(req); |
| 1399 | struct fuse_dirhandle *dh; |
| 1400 | |
| 1401 | dh = (struct fuse_dirhandle *) malloc(sizeof(struct fuse_dirhandle)); |
| 1402 | if (dh == NULL) { |
| 1403 | reply_err(req, -ENOMEM); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 1404 | return; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1405 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1406 | memset(dh, 0, sizeof(struct fuse_dirhandle)); |
| 1407 | dh->fuse = f; |
| 1408 | dh->contents = NULL; |
| 1409 | dh->len = 0; |
| 1410 | dh->filled = 0; |
| 1411 | dh->nodeid = ino; |
| 1412 | mutex_init(&dh->lock); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 1413 | |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1414 | llfi->fh = (uintptr_t) dh; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 1415 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1416 | if (f->op.opendir) { |
| 1417 | struct fuse_file_info fi; |
| 1418 | char *path; |
| 1419 | int err; |
| 1420 | |
| 1421 | memset(&fi, 0, sizeof(fi)); |
| 1422 | fi.flags = llfi->flags; |
| 1423 | |
| 1424 | err = -ENOENT; |
| 1425 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1426 | path = get_path(f, ino); |
| 1427 | if (path != NULL) { |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1428 | err = fuse_do_opendir(f, path, &fi); |
| 1429 | dh->fh = fi.fh; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 1430 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1431 | if (!err) { |
| 1432 | pthread_mutex_lock(&f->lock); |
| 1433 | if (fuse_reply_open(req, llfi) == -ENOENT) { |
| 1434 | /* The opendir syscall was interrupted, so it must be |
| 1435 | cancelled */ |
| 1436 | if(f->op.releasedir) |
| 1437 | f->op.releasedir(path, &fi); |
| 1438 | pthread_mutex_destroy(&dh->lock); |
| 1439 | free(dh); |
| 1440 | } |
| 1441 | pthread_mutex_unlock(&f->lock); |
| 1442 | } else { |
| 1443 | reply_err(req, err); |
| 1444 | free(dh); |
| 1445 | } |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 1446 | free(path); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1447 | pthread_rwlock_unlock(&f->tree_lock); |
| 1448 | } else |
| 1449 | fuse_reply_open(req, llfi); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1450 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1451 | |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 1452 | static int extend_contents(struct fuse_dirhandle *dh, unsigned minsize) |
| 1453 | { |
| 1454 | if (minsize > dh->size) { |
| 1455 | char *newptr; |
| 1456 | unsigned newsize = dh->size; |
| 1457 | if (!newsize) |
| 1458 | newsize = 1024; |
| 1459 | while (newsize < minsize) |
| 1460 | newsize *= 2; |
| 1461 | |
| 1462 | newptr = (char *) realloc(dh->contents, newsize); |
| 1463 | if (!newptr) { |
| 1464 | dh->error = -ENOMEM; |
| 1465 | return -1; |
| 1466 | } |
| 1467 | dh->contents = newptr; |
| 1468 | dh->size = newsize; |
| 1469 | } |
| 1470 | return 0; |
| 1471 | } |
| 1472 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1473 | static int fill_dir_common(struct fuse_dirhandle *dh, const char *name, |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 1474 | const struct stat *statp, off_t off) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1475 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1476 | struct stat stbuf; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 1477 | size_t newlen; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 1478 | |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 1479 | if (statp) |
| 1480 | stbuf = *statp; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1481 | else { |
| 1482 | memset(&stbuf, 0, sizeof(stbuf)); |
Miklos Szeredi | e248e4b | 2005-12-14 16:18:32 +0000 | [diff] [blame] | 1483 | stbuf.st_ino = FUSE_UNKNOWN_INO; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1484 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1485 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1486 | if (!dh->fuse->conf.use_ino) { |
Miklos Szeredi | e248e4b | 2005-12-14 16:18:32 +0000 | [diff] [blame] | 1487 | stbuf.st_ino = FUSE_UNKNOWN_INO; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1488 | if (dh->fuse->conf.readdir_ino) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1489 | struct node *node; |
| 1490 | pthread_mutex_lock(&dh->fuse->lock); |
| 1491 | node = lookup_node(dh->fuse, dh->nodeid, name); |
| 1492 | if (node) |
| 1493 | stbuf.st_ino = (ino_t) node->nodeid; |
| 1494 | pthread_mutex_unlock(&dh->fuse->lock); |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 1495 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1496 | } |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 1497 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1498 | if (off) { |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 1499 | if (extend_contents(dh, dh->needlen) == -1) |
| 1500 | return 1; |
| 1501 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1502 | dh->filled = 0; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 1503 | newlen = dh->len + fuse_add_direntry(dh->req, dh->contents + dh->len, |
| 1504 | dh->needlen - dh->len, name, |
| 1505 | &stbuf, off); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1506 | if (newlen > dh->needlen) |
| 1507 | return 1; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 1508 | } else { |
| 1509 | newlen = dh->len + fuse_add_direntry(dh->req, NULL, 0, name, NULL, 0); |
| 1510 | if (extend_contents(dh, newlen) == -1) |
Miklos Szeredi | c4c12ae | 2005-10-20 14:48:50 +0000 | [diff] [blame] | 1511 | return 1; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 1512 | |
| 1513 | fuse_add_direntry(dh->req, dh->contents + dh->len, dh->size - dh->len, |
| 1514 | name, &stbuf, newlen); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1515 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1516 | dh->len = newlen; |
| 1517 | return 0; |
| 1518 | } |
| 1519 | |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 1520 | static int fill_dir(void *buf, const char *name, const struct stat *stbuf, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1521 | off_t off) |
| 1522 | { |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 1523 | return fill_dir_common((struct fuse_dirhandle *) buf, name, stbuf, off); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1524 | } |
| 1525 | |
| 1526 | static int fill_dir_old(struct fuse_dirhandle *dh, const char *name, int type, |
| 1527 | ino_t ino) |
| 1528 | { |
| 1529 | struct stat stbuf; |
| 1530 | |
| 1531 | memset(&stbuf, 0, sizeof(stbuf)); |
| 1532 | stbuf.st_mode = type << 12; |
| 1533 | stbuf.st_ino = ino; |
| 1534 | |
| 1535 | fill_dir_common(dh, name, &stbuf, 0); |
| 1536 | return dh->error; |
| 1537 | } |
| 1538 | |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 1539 | static int readdir_fill(struct fuse *f, fuse_req_t req, fuse_ino_t ino, |
| 1540 | size_t size, off_t off, struct fuse_dirhandle *dh, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1541 | struct fuse_file_info *fi) |
| 1542 | { |
| 1543 | int err = -ENOENT; |
| 1544 | char *path; |
| 1545 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1546 | path = get_path(f, ino); |
| 1547 | if (path != NULL) { |
| 1548 | dh->len = 0; |
| 1549 | dh->error = 0; |
| 1550 | dh->needlen = size; |
| 1551 | dh->filled = 1; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 1552 | dh->req = req; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1553 | err = -ENOSYS; |
| 1554 | if (f->op.readdir) |
| 1555 | err = f->op.readdir(path, dh, fill_dir, off, fi); |
| 1556 | else if (f->op.getdir) |
| 1557 | err = f->op.getdir(path, dh, fill_dir_old); |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 1558 | dh->req = NULL; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1559 | if (!err) |
| 1560 | err = dh->error; |
| 1561 | if (err) |
| 1562 | dh->filled = 0; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1563 | free(path); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1564 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1565 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1566 | return err; |
| 1567 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1568 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1569 | static void fuse_readdir(fuse_req_t req, fuse_ino_t ino, size_t size, |
| 1570 | off_t off, struct fuse_file_info *llfi) |
| 1571 | { |
| 1572 | struct fuse *f = req_fuse_prepare(req); |
| 1573 | struct fuse_file_info fi; |
| 1574 | struct fuse_dirhandle *dh = get_dirhandle(llfi, &fi); |
| 1575 | |
| 1576 | pthread_mutex_lock(&dh->lock); |
Miklos Szeredi | 77ccf65 | 2005-08-19 14:40:27 +0000 | [diff] [blame] | 1577 | /* According to SUS, directory contents need to be refreshed on |
| 1578 | rewinddir() */ |
| 1579 | if (!off) |
| 1580 | dh->filled = 0; |
| 1581 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1582 | if (!dh->filled) { |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 1583 | int err = readdir_fill(f, req, ino, size, off, dh, &fi); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1584 | if (err) { |
| 1585 | reply_err(req, err); |
| 1586 | goto out; |
| 1587 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1588 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1589 | if (dh->filled) { |
| 1590 | if (off < dh->len) { |
| 1591 | if (off + size > dh->len) |
| 1592 | size = dh->len - off; |
| 1593 | } else |
| 1594 | size = 0; |
| 1595 | } else { |
| 1596 | size = dh->len; |
| 1597 | off = 0; |
| 1598 | } |
| 1599 | fuse_reply_buf(req, dh->contents + off, size); |
| 1600 | out: |
| 1601 | pthread_mutex_unlock(&dh->lock); |
| 1602 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1603 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1604 | static void fuse_releasedir(fuse_req_t req, fuse_ino_t ino, |
| 1605 | struct fuse_file_info *llfi) |
| 1606 | { |
| 1607 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 9b813af | 2005-07-21 07:59:37 +0000 | [diff] [blame] | 1608 | struct fuse_file_info fi; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1609 | struct fuse_dirhandle *dh = get_dirhandle(llfi, &fi); |
| 1610 | if (f->op.releasedir) { |
| 1611 | char *path; |
| 1612 | |
| 1613 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1614 | path = get_path(f, ino); |
| 1615 | f->op.releasedir(path ? path : "-", &fi); |
| 1616 | free(path); |
| 1617 | pthread_rwlock_unlock(&f->tree_lock); |
| 1618 | } |
| 1619 | pthread_mutex_lock(&dh->lock); |
| 1620 | pthread_mutex_unlock(&dh->lock); |
| 1621 | pthread_mutex_destroy(&dh->lock); |
| 1622 | free(dh->contents); |
| 1623 | free(dh); |
| 1624 | reply_err(req, 0); |
| 1625 | } |
| 1626 | |
| 1627 | static void fuse_fsyncdir(fuse_req_t req, fuse_ino_t ino, int datasync, |
| 1628 | struct fuse_file_info *llfi) |
| 1629 | { |
| 1630 | struct fuse *f = req_fuse_prepare(req); |
| 1631 | struct fuse_file_info fi; |
| 1632 | char *path; |
| 1633 | int err; |
| 1634 | |
| 1635 | get_dirhandle(llfi, &fi); |
| 1636 | |
| 1637 | err = -ENOENT; |
| 1638 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1639 | path = get_path(f, ino); |
| 1640 | if (path != NULL) { |
| 1641 | err = -ENOSYS; |
| 1642 | if (f->op.fsyncdir) |
| 1643 | err = f->op.fsyncdir(path, datasync, &fi); |
| 1644 | free(path); |
| 1645 | } |
| 1646 | pthread_rwlock_unlock(&f->tree_lock); |
| 1647 | reply_err(req, err); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1648 | } |
| 1649 | |
Miklos Szeredi | 52cb09d | 2005-11-07 11:59:00 +0000 | [diff] [blame] | 1650 | static int default_statfs(struct statvfs *buf) |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1651 | { |
Miklos Szeredi | 52cb09d | 2005-11-07 11:59:00 +0000 | [diff] [blame] | 1652 | buf->f_namemax = 255; |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1653 | buf->f_bsize = 512; |
| 1654 | return 0; |
| 1655 | } |
| 1656 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1657 | static void fuse_statfs(fuse_req_t req) |
Miklos Szeredi | 18e75e4 | 2004-02-19 14:23:27 +0000 | [diff] [blame] | 1658 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1659 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 52cb09d | 2005-11-07 11:59:00 +0000 | [diff] [blame] | 1660 | struct statvfs buf; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1661 | int err; |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 1662 | |
Miklos Szeredi | 52cb09d | 2005-11-07 11:59:00 +0000 | [diff] [blame] | 1663 | memset(&buf, 0, sizeof(buf)); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1664 | if (f->op.statfs) { |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 1665 | err = fuse_do_statfs(f, "/", &buf); |
Miklos Szeredi | 52cb09d | 2005-11-07 11:59:00 +0000 | [diff] [blame] | 1666 | } else |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1667 | err = default_statfs(&buf); |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 1668 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1669 | if (!err) |
| 1670 | fuse_reply_statfs(req, &buf); |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1671 | else |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1672 | reply_err(req, err); |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 1673 | } |
| 1674 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1675 | static void fuse_setxattr(fuse_req_t req, fuse_ino_t ino, const char *name, |
| 1676 | const char *value, size_t size, int flags) |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1677 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1678 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1679 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1680 | int err; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1681 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1682 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1683 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1684 | path = get_path(f, ino); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 1685 | if (path != NULL) { |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 1686 | err = -ENOSYS; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1687 | if (f->op.setxattr) |
| 1688 | err = f->op.setxattr(path, name, value, size, flags); |
| 1689 | free(path); |
| 1690 | } |
| 1691 | pthread_rwlock_unlock(&f->tree_lock); |
| 1692 | reply_err(req, err); |
| 1693 | } |
| 1694 | |
| 1695 | static int common_getxattr(struct fuse *f, fuse_ino_t ino, const char *name, |
| 1696 | char *value, size_t size) |
| 1697 | { |
| 1698 | int err; |
| 1699 | char *path; |
| 1700 | |
| 1701 | err = -ENOENT; |
| 1702 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1703 | path = get_path(f, ino); |
| 1704 | if (path != NULL) { |
| 1705 | err = -ENOSYS; |
| 1706 | if (f->op.getxattr) |
| 1707 | err = f->op.getxattr(path, name, value, size); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 1708 | free(path); |
| 1709 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1710 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 1711 | return err; |
| 1712 | } |
| 1713 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1714 | static void fuse_getxattr(fuse_req_t req, fuse_ino_t ino, const char *name, |
| 1715 | size_t size) |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1716 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1717 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1718 | int res; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1719 | |
| 1720 | if (size) { |
| 1721 | char *value = (char *) malloc(size); |
| 1722 | if (value == NULL) { |
| 1723 | reply_err(req, -ENOMEM); |
| 1724 | return; |
| 1725 | } |
| 1726 | res = common_getxattr(f, ino, name, value, size); |
| 1727 | if (res > 0) |
| 1728 | fuse_reply_buf(req, value, res); |
| 1729 | else |
| 1730 | reply_err(req, res); |
| 1731 | free(value); |
| 1732 | } else { |
| 1733 | res = common_getxattr(f, ino, name, NULL, 0); |
| 1734 | if (res >= 0) |
| 1735 | fuse_reply_xattr(req, res); |
| 1736 | else |
| 1737 | reply_err(req, res); |
| 1738 | } |
| 1739 | } |
| 1740 | |
| 1741 | static int common_listxattr(struct fuse *f, fuse_ino_t ino, char *list, |
| 1742 | size_t size) |
| 1743 | { |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1744 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1745 | int err; |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1746 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1747 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1748 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1749 | path = get_path(f, ino); |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1750 | if (path != NULL) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1751 | err = -ENOSYS; |
| 1752 | if (f->op.listxattr) |
| 1753 | err = f->op.listxattr(path, list, size); |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1754 | free(path); |
| 1755 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1756 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1757 | return err; |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 1758 | } |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 1759 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1760 | static void fuse_listxattr(fuse_req_t req, fuse_ino_t ino, size_t size) |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1761 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1762 | struct fuse *f = req_fuse_prepare(req); |
| 1763 | int res; |
| 1764 | |
| 1765 | if (size) { |
| 1766 | char *list = (char *) malloc(size); |
| 1767 | if (list == NULL) { |
| 1768 | reply_err(req, -ENOMEM); |
| 1769 | return; |
| 1770 | } |
| 1771 | res = common_listxattr(f, ino, list, size); |
| 1772 | if (res > 0) |
| 1773 | fuse_reply_buf(req, list, res); |
| 1774 | else |
| 1775 | reply_err(req, res); |
| 1776 | free(list); |
| 1777 | } else { |
| 1778 | res = common_listxattr(f, ino, NULL, 0); |
| 1779 | if (res >= 0) |
| 1780 | fuse_reply_xattr(req, res); |
| 1781 | else |
| 1782 | reply_err(req, res); |
| 1783 | } |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1784 | } |
| 1785 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1786 | static void fuse_removexattr(fuse_req_t req, fuse_ino_t ino, const char *name) |
| 1787 | { |
| 1788 | struct fuse *f = req_fuse_prepare(req); |
| 1789 | char *path; |
| 1790 | int err; |
| 1791 | |
| 1792 | err = -ENOENT; |
| 1793 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1794 | path = get_path(f, ino); |
| 1795 | if (path != NULL) { |
| 1796 | err = -ENOSYS; |
| 1797 | if (f->op.removexattr) |
| 1798 | err = f->op.removexattr(path, name); |
| 1799 | free(path); |
| 1800 | } |
| 1801 | pthread_rwlock_unlock(&f->tree_lock); |
| 1802 | reply_err(req, err); |
| 1803 | } |
| 1804 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1805 | static struct fuse_lowlevel_ops fuse_path_ops = { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1806 | .init = fuse_data_init, |
| 1807 | .destroy = fuse_data_destroy, |
| 1808 | .lookup = fuse_lookup, |
| 1809 | .forget = fuse_forget, |
| 1810 | .getattr = fuse_getattr, |
| 1811 | .setattr = fuse_setattr, |
Miklos Szeredi | b0b13d1 | 2005-10-26 12:53:25 +0000 | [diff] [blame] | 1812 | .access = fuse_access, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1813 | .readlink = fuse_readlink, |
| 1814 | .mknod = fuse_mknod, |
| 1815 | .mkdir = fuse_mkdir, |
| 1816 | .unlink = fuse_unlink, |
| 1817 | .rmdir = fuse_rmdir, |
| 1818 | .symlink = fuse_symlink, |
| 1819 | .rename = fuse_rename, |
| 1820 | .link = fuse_link, |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1821 | .create = fuse_create, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1822 | .open = fuse_open, |
| 1823 | .read = fuse_read, |
| 1824 | .write = fuse_write, |
| 1825 | .flush = fuse_flush, |
| 1826 | .release = fuse_release, |
| 1827 | .fsync = fuse_fsync, |
| 1828 | .opendir = fuse_opendir, |
| 1829 | .readdir = fuse_readdir, |
| 1830 | .releasedir = fuse_releasedir, |
| 1831 | .fsyncdir = fuse_fsyncdir, |
| 1832 | .statfs = fuse_statfs, |
| 1833 | .setxattr = fuse_setxattr, |
| 1834 | .getxattr = fuse_getxattr, |
| 1835 | .listxattr = fuse_listxattr, |
| 1836 | .removexattr = fuse_removexattr, |
| 1837 | }; |
| 1838 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1839 | static void free_cmd(struct fuse_cmd *cmd) |
| 1840 | { |
| 1841 | free(cmd->buf); |
| 1842 | free(cmd); |
| 1843 | } |
| 1844 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1845 | void fuse_process_cmd(struct fuse *f, struct fuse_cmd *cmd) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1846 | { |
Miklos Szeredi | 178451d | 2005-08-15 13:19:07 +0000 | [diff] [blame] | 1847 | fuse_session_process(f->se, cmd->buf, cmd->buflen, cmd->ch); |
Miklos Szeredi | fa829b5 | 2005-12-02 11:05:41 +0000 | [diff] [blame] | 1848 | free_cmd(cmd); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1849 | } |
| 1850 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1851 | int fuse_exited(struct fuse *f) |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1852 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1853 | return fuse_session_exited(f->se); |
| 1854 | } |
| 1855 | |
| 1856 | struct fuse_session *fuse_get_session(struct fuse *f) |
| 1857 | { |
| 1858 | return f->se; |
| 1859 | } |
| 1860 | |
| 1861 | static struct fuse_cmd *fuse_alloc_cmd(size_t bufsize) |
| 1862 | { |
| 1863 | struct fuse_cmd *cmd = (struct fuse_cmd *) malloc(sizeof(*cmd)); |
| 1864 | if (cmd == NULL) { |
| 1865 | fprintf(stderr, "fuse: failed to allocate cmd\n"); |
| 1866 | return NULL; |
| 1867 | } |
| 1868 | cmd->buf = (char *) malloc(bufsize); |
| 1869 | if (cmd->buf == NULL) { |
| 1870 | fprintf(stderr, "fuse: failed to allocate read buffer\n"); |
| 1871 | free(cmd); |
| 1872 | return NULL; |
| 1873 | } |
| 1874 | return cmd; |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 1875 | } |
| 1876 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1877 | struct fuse_cmd *fuse_read_cmd(struct fuse *f) |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 1878 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1879 | struct fuse_chan *ch = fuse_session_next_chan(f->se, NULL); |
| 1880 | size_t bufsize = fuse_chan_bufsize(ch); |
| 1881 | struct fuse_cmd *cmd = fuse_alloc_cmd(bufsize); |
| 1882 | if (cmd != NULL) { |
| 1883 | int res = fuse_chan_receive(ch, cmd->buf, bufsize); |
| 1884 | if (res <= 0) { |
| 1885 | free_cmd(cmd); |
Miklos Szeredi | fa829b5 | 2005-12-02 11:05:41 +0000 | [diff] [blame] | 1886 | if (res == -1) |
| 1887 | fuse_exit(f); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1888 | return NULL; |
| 1889 | } |
| 1890 | cmd->buflen = res; |
Miklos Szeredi | 178451d | 2005-08-15 13:19:07 +0000 | [diff] [blame] | 1891 | cmd->ch = ch; |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1892 | } |
| 1893 | return cmd; |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 1894 | } |
| 1895 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1896 | int fuse_loop(struct fuse *f) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1897 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1898 | if (f) |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1899 | return fuse_session_loop(f->se); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1900 | else |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1901 | return -1; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1902 | } |
| 1903 | |
Miklos Szeredi | 891b874 | 2004-07-29 09:27:49 +0000 | [diff] [blame] | 1904 | int fuse_invalidate(struct fuse *f, const char *path) |
| 1905 | { |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 1906 | (void) f; |
| 1907 | (void) path; |
| 1908 | return -EINVAL; |
Miklos Szeredi | 891b874 | 2004-07-29 09:27:49 +0000 | [diff] [blame] | 1909 | } |
| 1910 | |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 1911 | void fuse_exit(struct fuse *f) |
| 1912 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 1913 | fuse_session_exit(f->se); |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 1914 | } |
| 1915 | |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1916 | struct fuse_context *fuse_get_context() |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 1917 | { |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1918 | static struct fuse_context context; |
| 1919 | if (fuse_getcontext) |
| 1920 | return fuse_getcontext(); |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 1921 | else |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1922 | return &context; |
| 1923 | } |
| 1924 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1925 | void fuse_set_getcontext_func(struct fuse_context *(*func)(void)) |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 1926 | { |
| 1927 | fuse_getcontext = func; |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 1928 | } |
| 1929 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 1930 | enum { |
| 1931 | KEY_HELP, |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 1932 | }; |
| 1933 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1934 | #define FUSE_LIB_OPT(t, p, v) { t, offsetof(struct fuse_config, p), v } |
| 1935 | |
| 1936 | static const struct fuse_opt fuse_lib_opts[] = { |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 1937 | FUSE_OPT_KEY("-h", KEY_HELP), |
| 1938 | FUSE_OPT_KEY("--help", KEY_HELP), |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 1939 | FUSE_OPT_KEY("debug", FUSE_OPT_KEY_KEEP), |
| 1940 | FUSE_OPT_KEY("-d", FUSE_OPT_KEY_KEEP), |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1941 | FUSE_LIB_OPT("debug", debug, 1), |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 1942 | FUSE_LIB_OPT("-d", debug, 1), |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1943 | FUSE_LIB_OPT("hard_remove", hard_remove, 1), |
| 1944 | FUSE_LIB_OPT("use_ino", use_ino, 1), |
| 1945 | FUSE_LIB_OPT("readdir_ino", readdir_ino, 1), |
| 1946 | FUSE_LIB_OPT("direct_io", direct_io, 1), |
| 1947 | FUSE_LIB_OPT("kernel_cache", kernel_cache, 1), |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1948 | FUSE_LIB_OPT("auto_cache", auto_cache, 1), |
| 1949 | FUSE_LIB_OPT("noauto_cache", auto_cache, 0), |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1950 | FUSE_LIB_OPT("umask=", set_mode, 1), |
| 1951 | FUSE_LIB_OPT("umask=%o", umask, 0), |
| 1952 | FUSE_LIB_OPT("uid=", set_uid, 1), |
| 1953 | FUSE_LIB_OPT("uid=%d", uid, 0), |
| 1954 | FUSE_LIB_OPT("gid=", set_gid, 1), |
| 1955 | FUSE_LIB_OPT("gid=%d", gid, 0), |
| 1956 | FUSE_LIB_OPT("entry_timeout=%lf", entry_timeout, 0), |
| 1957 | FUSE_LIB_OPT("attr_timeout=%lf", attr_timeout, 0), |
Miklos Szeredi | 6e806e9 | 2006-02-16 16:59:39 +0000 | [diff] [blame] | 1958 | FUSE_LIB_OPT("ac_attr_timeout=%lf", ac_attr_timeout, 0), |
| 1959 | FUSE_LIB_OPT("ac_attr_timeout=", ac_attr_timeout_set, 1), |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1960 | FUSE_LIB_OPT("negative_timeout=%lf", negative_timeout, 0), |
| 1961 | FUSE_OPT_END |
| 1962 | }; |
| 1963 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 1964 | static void fuse_lib_help(void) |
| 1965 | { |
| 1966 | fprintf(stderr, |
Miklos Szeredi | 0609146 | 2006-02-16 16:38:34 +0000 | [diff] [blame] | 1967 | " -o hard_remove immediate removal (don't hide files)\n" |
| 1968 | " -o use_ino let filesystem set inode numbers\n" |
| 1969 | " -o readdir_ino try to fill in d_ino in readdir\n" |
| 1970 | " -o direct_io use direct I/O\n" |
| 1971 | " -o kernel_cache cache files in kernel\n" |
| 1972 | " -o [no]auto_cache enable caching based on modification times\n" |
| 1973 | " -o umask=M set file permissions (octal)\n" |
| 1974 | " -o uid=N set file owner\n" |
| 1975 | " -o gid=N set file group\n" |
| 1976 | " -o entry_timeout=T cache timeout for names (1.0s)\n" |
| 1977 | " -o negative_timeout=T cache timeout for deleted names (0.0s)\n" |
Miklos Szeredi | 6e806e9 | 2006-02-16 16:59:39 +0000 | [diff] [blame] | 1978 | " -o attr_timeout=T cache timeout for attributes (1.0s)\n" |
| 1979 | " -o ac_attr_timeout=T auto cache timeout for attributes (attr_timeout)\n" |
| 1980 | "\n"); |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 1981 | } |
| 1982 | |
| 1983 | static int fuse_lib_opt_proc(void *data, const char *arg, int key, |
| 1984 | struct fuse_args *outargs) |
| 1985 | { |
| 1986 | (void) data; (void) arg; (void) outargs; |
| 1987 | |
| 1988 | if (key == KEY_HELP) |
| 1989 | fuse_lib_help(); |
| 1990 | |
| 1991 | return 1; |
| 1992 | } |
| 1993 | |
| 1994 | |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 1995 | int fuse_is_lib_option(const char *opt) |
| 1996 | { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1997 | return fuse_lowlevel_is_lib_option(opt) || |
| 1998 | fuse_opt_match(fuse_lib_opts, opt); |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 1999 | } |
| 2000 | |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 2001 | struct fuse *fuse_new_common(int fd, struct fuse_args *args, |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2002 | const struct fuse_operations *op, |
| 2003 | size_t op_size, int compat) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2004 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2005 | struct fuse_chan *ch; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2006 | struct fuse *f; |
| 2007 | struct node *root; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2008 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2009 | if (sizeof(struct fuse_operations) < op_size) { |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2010 | 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] | 2011 | op_size = sizeof(struct fuse_operations); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2012 | } |
| 2013 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2014 | f = (struct fuse *) calloc(1, sizeof(struct fuse)); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2015 | if (f == NULL) { |
| 2016 | fprintf(stderr, "fuse: failed to allocate fuse object\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2017 | goto out; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2018 | } |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 2019 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2020 | f->conf.entry_timeout = 1.0; |
| 2021 | f->conf.attr_timeout = 1.0; |
| 2022 | f->conf.negative_timeout = 0.0; |
Miklos Szeredi | 6c0209a | 2005-08-02 13:31:28 +0000 | [diff] [blame] | 2023 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 2024 | if (fuse_opt_parse(args, &f->conf, fuse_lib_opts, fuse_lib_opt_proc) == -1) |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2025 | goto out_free; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2026 | |
Miklos Szeredi | 6e806e9 | 2006-02-16 16:59:39 +0000 | [diff] [blame] | 2027 | if (!f->conf.ac_attr_timeout_set) |
| 2028 | f->conf.ac_attr_timeout = f->conf.attr_timeout; |
| 2029 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2030 | #ifdef __FreeBSD__ |
| 2031 | /* |
| 2032 | * In FreeBSD, we always use these settings as inode numbers are needed to |
| 2033 | * make getcwd(3) work. |
| 2034 | */ |
Miklos Szeredi | 76fc3de | 2005-12-12 09:34:45 +0000 | [diff] [blame] | 2035 | f->conf.readdir_ino = 1; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2036 | #endif |
| 2037 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 2038 | if (compat && compat <= 25) { |
| 2039 | if (fuse_sync_compat_args(args) == -1) |
| 2040 | goto out_free; |
| 2041 | } |
| 2042 | |
Miklos Szeredi | d65cdfe | 2006-02-15 14:25:17 +0000 | [diff] [blame] | 2043 | f->se = fuse_lowlevel_new_common(args, &fuse_path_ops, |
| 2044 | sizeof(fuse_path_ops), f); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2045 | if (f->se == NULL) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2046 | goto out_free; |
Miklos Szeredi | 2bb750e | 2005-10-03 14:54:24 +0000 | [diff] [blame] | 2047 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2048 | ch = fuse_kern_chan_new(fd); |
| 2049 | if (ch == NULL) |
| 2050 | goto out_free_session; |
Miklos Szeredi | 2bb750e | 2005-10-03 14:54:24 +0000 | [diff] [blame] | 2051 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2052 | fuse_session_add_chan(f->se, ch); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2053 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2054 | f->ctr = 0; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 2055 | f->generation = 0; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 2056 | /* FIXME: Dynamic hash table */ |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2057 | f->name_table_size = 14057; |
| 2058 | f->name_table = (struct node **) |
| 2059 | calloc(1, sizeof(struct node *) * f->name_table_size); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2060 | if (f->name_table == NULL) { |
| 2061 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2062 | goto out_free_session; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2063 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2064 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2065 | f->id_table_size = 14057; |
| 2066 | f->id_table = (struct node **) |
| 2067 | calloc(1, sizeof(struct node *) * f->id_table_size); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2068 | if (f->id_table == NULL) { |
| 2069 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2070 | goto out_free_name_table; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2071 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2072 | |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 2073 | mutex_init(&f->lock); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2074 | memcpy(&f->op, op, op_size); |
| 2075 | f->compat = compat; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2076 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2077 | root = (struct node *) calloc(1, sizeof(struct node)); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2078 | if (root == NULL) { |
| 2079 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2080 | goto out_free_id_table; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2081 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2082 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2083 | root->name = strdup("/"); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2084 | if (root->name == NULL) { |
| 2085 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2086 | goto out_free_root; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2087 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2088 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2089 | root->parent = 0; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2090 | root->nodeid = FUSE_ROOT_ID; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 2091 | root->generation = 0; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2092 | root->refctr = 1; |
Miklos Szeredi | 3800902 | 2005-05-08 19:47:22 +0000 | [diff] [blame] | 2093 | root->nlookup = 1; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2094 | hash_id(f, root); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2095 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2096 | return f; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2097 | |
| 2098 | out_free_root: |
| 2099 | free(root); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2100 | out_free_id_table: |
| 2101 | free(f->id_table); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2102 | out_free_name_table: |
| 2103 | free(f->name_table); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2104 | out_free_session: |
| 2105 | fuse_session_destroy(f->se); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2106 | out_free: |
| 2107 | free(f); |
| 2108 | out: |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2109 | return NULL; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2110 | } |
| 2111 | |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 2112 | struct fuse *fuse_new(int fd, struct fuse_args *args, |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2113 | const struct fuse_operations *op, size_t op_size) |
| 2114 | { |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 2115 | return fuse_new_common(fd, args, op, op_size, 0); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2116 | } |
| 2117 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2118 | void fuse_destroy(struct fuse *f) |
| 2119 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2120 | size_t i; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2121 | for (i = 0; i < f->id_table_size; i++) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2122 | struct node *node; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2123 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2124 | for (node = f->id_table[i]; node != NULL; node = node->id_next) { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2125 | if (node->is_hidden) { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2126 | char *path = get_path(f, node->nodeid); |
Miklos Szeredi | 21019c9 | 2005-05-09 11:22:41 +0000 | [diff] [blame] | 2127 | if (path) { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2128 | f->op.unlink(path); |
Miklos Szeredi | 21019c9 | 2005-05-09 11:22:41 +0000 | [diff] [blame] | 2129 | free(path); |
| 2130 | } |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2131 | } |
| 2132 | } |
| 2133 | } |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2134 | for (i = 0; i < f->id_table_size; i++) { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2135 | struct node *node; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2136 | struct node *next; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 2137 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2138 | for (node = f->id_table[i]; node != NULL; node = next) { |
| 2139 | next = node->id_next; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2140 | free_node(node); |
| 2141 | } |
| 2142 | } |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 2143 | free(f->id_table); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2144 | free(f->name_table); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2145 | pthread_mutex_destroy(&f->lock); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2146 | fuse_session_destroy(f->se); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2147 | free(f); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2148 | } |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 2149 | |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2150 | #include "fuse_compat.h" |
| 2151 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 2152 | #ifndef __FreeBSD__ |
| 2153 | |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2154 | static int fuse_do_open(struct fuse *f, char *path, struct fuse_file_info *fi) |
| 2155 | { |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 2156 | if (!f->compat || f->compat >= 25) |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2157 | return f->op.open(path, fi); |
| 2158 | else if (f->compat == 22) { |
| 2159 | int err; |
| 2160 | struct fuse_file_info_compat22 tmp; |
| 2161 | memcpy(&tmp, fi, sizeof(tmp)); |
| 2162 | err = ((struct fuse_operations_compat22 *) &f->op)->open(path, &tmp); |
| 2163 | memcpy(fi, &tmp, sizeof(tmp)); |
| 2164 | fi->fh = tmp.fh; |
| 2165 | return err; |
| 2166 | } else |
Miklos Szeredi | ead7f10 | 2005-11-28 16:02:27 +0000 | [diff] [blame] | 2167 | return |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2168 | ((struct fuse_operations_compat2 *) &f->op)->open(path, fi->flags); |
| 2169 | } |
| 2170 | |
| 2171 | static void fuse_do_release(struct fuse *f, char *path, |
| 2172 | struct fuse_file_info *fi) |
| 2173 | { |
| 2174 | if (!f->compat || f->compat >= 22) |
| 2175 | f->op.release(path ? path : "-", fi); |
| 2176 | else if (path) |
| 2177 | ((struct fuse_operations_compat2 *) &f->op)->release(path, fi->flags); |
| 2178 | } |
| 2179 | |
| 2180 | static int fuse_do_opendir(struct fuse *f, char *path, |
| 2181 | struct fuse_file_info *fi) |
| 2182 | { |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 2183 | if (!f->compat || f->compat >= 25) { |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2184 | return f->op.opendir(path, fi); |
| 2185 | } else { |
| 2186 | int err; |
| 2187 | struct fuse_file_info_compat22 tmp; |
| 2188 | memcpy(&tmp, fi, sizeof(tmp)); |
| 2189 | err = ((struct fuse_operations_compat22 *) &f->op)->opendir(path, &tmp); |
| 2190 | memcpy(fi, &tmp, sizeof(tmp)); |
| 2191 | fi->fh = tmp.fh; |
| 2192 | return err; |
| 2193 | } |
| 2194 | } |
| 2195 | |
| 2196 | static void convert_statfs_compat(struct fuse_statfs_compat1 *compatbuf, |
| 2197 | struct statvfs *stbuf) |
| 2198 | { |
| 2199 | stbuf->f_bsize = compatbuf->block_size; |
| 2200 | stbuf->f_blocks = compatbuf->blocks; |
| 2201 | stbuf->f_bfree = compatbuf->blocks_free; |
| 2202 | stbuf->f_bavail = compatbuf->blocks_free; |
| 2203 | stbuf->f_files = compatbuf->files; |
| 2204 | stbuf->f_ffree = compatbuf->files_free; |
| 2205 | stbuf->f_namemax = compatbuf->namelen; |
| 2206 | } |
| 2207 | |
| 2208 | static void convert_statfs_old(struct statfs *oldbuf, struct statvfs *stbuf) |
| 2209 | { |
| 2210 | stbuf->f_bsize = oldbuf->f_bsize; |
| 2211 | stbuf->f_blocks = oldbuf->f_blocks; |
| 2212 | stbuf->f_bfree = oldbuf->f_bfree; |
| 2213 | stbuf->f_bavail = oldbuf->f_bavail; |
| 2214 | stbuf->f_files = oldbuf->f_files; |
| 2215 | stbuf->f_ffree = oldbuf->f_ffree; |
| 2216 | stbuf->f_namemax = oldbuf->f_namelen; |
| 2217 | } |
| 2218 | |
| 2219 | static int fuse_do_statfs(struct fuse *f, char *path, struct statvfs *buf) |
| 2220 | { |
| 2221 | int err; |
| 2222 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 2223 | if (!f->compat || f->compat >= 25) { |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2224 | err = f->op.statfs(path, buf); |
| 2225 | } else if (f->compat > 11) { |
| 2226 | struct statfs oldbuf; |
| 2227 | err = ((struct fuse_operations_compat22 *) &f->op)->statfs("/", &oldbuf); |
| 2228 | if (!err) |
| 2229 | convert_statfs_old(&oldbuf, buf); |
| 2230 | } else { |
| 2231 | struct fuse_statfs_compat1 compatbuf; |
| 2232 | memset(&compatbuf, 0, sizeof(struct fuse_statfs_compat1)); |
| 2233 | err = ((struct fuse_operations_compat1 *) &f->op)->statfs(&compatbuf); |
| 2234 | if (!err) |
| 2235 | convert_statfs_compat(&compatbuf, buf); |
| 2236 | } |
| 2237 | return err; |
| 2238 | } |
| 2239 | |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 2240 | static struct fuse *fuse_new_common_compat(int fd, const char *opts, |
| 2241 | const struct fuse_operations *op, |
| 2242 | size_t op_size, int compat) |
| 2243 | { |
| 2244 | struct fuse *f; |
| 2245 | struct fuse_args args = FUSE_ARGS_INIT(0, NULL); |
| 2246 | |
| 2247 | if (opts && |
| 2248 | (fuse_opt_add_arg(&args, "") == -1 || |
| 2249 | fuse_opt_add_arg(&args, "-o") == -1 || |
| 2250 | fuse_opt_add_arg(&args, opts) == -1)) { |
| 2251 | fuse_opt_free_args(&args); |
| 2252 | return NULL; |
| 2253 | } |
| 2254 | f = fuse_new_common(fd, &args, op, op_size, compat); |
| 2255 | fuse_opt_free_args(&args); |
| 2256 | |
| 2257 | return f; |
| 2258 | } |
| 2259 | |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2260 | struct fuse *fuse_new_compat22(int fd, const char *opts, |
| 2261 | const struct fuse_operations_compat22 *op, |
| 2262 | size_t op_size) |
| 2263 | { |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 2264 | return fuse_new_common_compat(fd, opts, (struct fuse_operations *) op, |
| 2265 | op_size, 22); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2266 | } |
| 2267 | |
| 2268 | struct fuse *fuse_new_compat2(int fd, const char *opts, |
| 2269 | const struct fuse_operations_compat2 *op) |
| 2270 | { |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 2271 | return fuse_new_common_compat(fd, opts, (struct fuse_operations *) op, |
| 2272 | sizeof(struct fuse_operations_compat2), 21); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2273 | } |
| 2274 | |
| 2275 | struct fuse *fuse_new_compat1(int fd, int flags, |
| 2276 | const struct fuse_operations_compat1 *op) |
| 2277 | { |
| 2278 | const char *opts = NULL; |
| 2279 | if (flags & FUSE_DEBUG_COMPAT1) |
| 2280 | opts = "debug"; |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 2281 | return fuse_new_common_compat(fd, opts, (struct fuse_operations *) op, |
| 2282 | sizeof(struct fuse_operations_compat1), 11); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2283 | } |
| 2284 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2285 | __asm__(".symver fuse_exited,__fuse_exited@"); |
| 2286 | __asm__(".symver fuse_process_cmd,__fuse_process_cmd@"); |
| 2287 | __asm__(".symver fuse_read_cmd,__fuse_read_cmd@"); |
| 2288 | __asm__(".symver fuse_set_getcontext_func,__fuse_set_getcontext_func@"); |
| 2289 | __asm__(".symver fuse_new_compat2,fuse_new@"); |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 2290 | __asm__(".symver fuse_new_compat22,fuse_new@FUSE_2.2"); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2291 | |
| 2292 | #else /* __FreeBSD__ */ |
| 2293 | |
| 2294 | static int fuse_do_open(struct fuse *f, char *path, struct fuse_file_info *fi) |
| 2295 | { |
Miklos Szeredi | ead7f10 | 2005-11-28 16:02:27 +0000 | [diff] [blame] | 2296 | return f->op.open(path, fi); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2297 | } |
| 2298 | |
| 2299 | static void fuse_do_release(struct fuse *f, char *path, |
| 2300 | struct fuse_file_info *fi) |
| 2301 | { |
| 2302 | f->op.release(path ? path : "-", fi); |
| 2303 | } |
| 2304 | |
| 2305 | static int fuse_do_opendir(struct fuse *f, char *path, |
| 2306 | struct fuse_file_info *fi) |
| 2307 | { |
Miklos Szeredi | ead7f10 | 2005-11-28 16:02:27 +0000 | [diff] [blame] | 2308 | return f->op.opendir(path, fi); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 2309 | } |
| 2310 | |
| 2311 | static int fuse_do_statfs(struct fuse *f, char *path, struct statvfs *buf) |
| 2312 | { |
| 2313 | return f->op.statfs(path, buf); |
| 2314 | } |
| 2315 | |
| 2316 | #endif /* __FreeBSD__ */ |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 2317 | |
| 2318 | struct fuse *fuse_new_compat25(int fd, struct fuse_args *args, |
| 2319 | const struct fuse_operations_compat25 *op, |
| 2320 | size_t op_size) |
| 2321 | { |
| 2322 | return fuse_new_common(fd, args, (struct fuse_operations *) op, |
| 2323 | op_size, 25); |
| 2324 | } |
| 2325 | |
| 2326 | __asm__(".symver fuse_new_compat25,fuse_new@FUSE_2.5"); |