| File: | build-scan/../src/libsystemd/sd-bus/bus-objects.c |
| Warning: | line 1390, column 32 Potential leak of memory pointed to by 'prefix' |
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| 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ | |||
| 2 | /*** | |||
| 3 | ***/ | |||
| 4 | ||||
| 5 | #include "alloc-util.h" | |||
| 6 | #include "bus-internal.h" | |||
| 7 | #include "bus-introspect.h" | |||
| 8 | #include "bus-message.h" | |||
| 9 | #include "bus-objects.h" | |||
| 10 | #include "bus-signature.h" | |||
| 11 | #include "bus-slot.h" | |||
| 12 | #include "bus-type.h" | |||
| 13 | #include "bus-util.h" | |||
| 14 | #include "set.h" | |||
| 15 | #include "string-util.h" | |||
| 16 | #include "strv.h" | |||
| 17 | ||||
| 18 | static int node_vtable_get_userdata( | |||
| 19 | sd_bus *bus, | |||
| 20 | const char *path, | |||
| 21 | struct node_vtable *c, | |||
| 22 | void **userdata, | |||
| 23 | sd_bus_error *error) { | |||
| 24 | ||||
| 25 | sd_bus_slot *s; | |||
| 26 | void *u, *found_u; | |||
| 27 | int r; | |||
| 28 | ||||
| 29 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 29, __PRETTY_FUNCTION__); } while (0); | |||
| 30 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 30, __PRETTY_FUNCTION__); } while (0); | |||
| 31 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-objects.c" , 31, __PRETTY_FUNCTION__); } while (0); | |||
| 32 | ||||
| 33 | s = container_of(c, sd_bus_slot, node_vtable)__extension__ ({ const typeof( ((sd_bus_slot*)0)->node_vtable ) *__unique_prefix_A23 = ((c)); (sd_bus_slot*)( (char *)__unique_prefix_A23 - __builtin_offsetof(sd_bus_slot, node_vtable) ); }); | |||
| 34 | u = s->userdata; | |||
| 35 | if (c->find) { | |||
| 36 | bus->current_slot = sd_bus_slot_ref(s); | |||
| 37 | bus->current_userdata = u; | |||
| 38 | r = c->find(bus, path, c->interface, u, &found_u, error); | |||
| 39 | bus->current_userdata = NULL((void*)0); | |||
| 40 | bus->current_slot = sd_bus_slot_unref(s); | |||
| 41 | ||||
| 42 | if (r < 0) | |||
| 43 | return r; | |||
| 44 | if (sd_bus_error_is_set(error)) | |||
| 45 | return -sd_bus_error_get_errno(error); | |||
| 46 | if (r == 0) | |||
| 47 | return r; | |||
| 48 | } else | |||
| 49 | found_u = u; | |||
| 50 | ||||
| 51 | if (userdata) | |||
| 52 | *userdata = found_u; | |||
| 53 | ||||
| 54 | return 1; | |||
| 55 | } | |||
| 56 | ||||
| 57 | static void *vtable_method_convert_userdata(const sd_bus_vtable *p, void *u) { | |||
| 58 | assert(p)do { if ((__builtin_expect(!!(!(p)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p"), "../src/libsystemd/sd-bus/bus-objects.c" , 58, __PRETTY_FUNCTION__); } while (0); | |||
| 59 | ||||
| 60 | return (uint8_t*) u + p->x.method.offset; | |||
| 61 | } | |||
| 62 | ||||
| 63 | static void *vtable_property_convert_userdata(const sd_bus_vtable *p, void *u) { | |||
| 64 | assert(p)do { if ((__builtin_expect(!!(!(p)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p"), "../src/libsystemd/sd-bus/bus-objects.c" , 64, __PRETTY_FUNCTION__); } while (0); | |||
| 65 | ||||
| 66 | return (uint8_t*) u + p->x.property.offset; | |||
| 67 | } | |||
| 68 | ||||
| 69 | static int vtable_property_get_userdata( | |||
| 70 | sd_bus *bus, | |||
| 71 | const char *path, | |||
| 72 | struct vtable_member *p, | |||
| 73 | void **userdata, | |||
| 74 | sd_bus_error *error) { | |||
| 75 | ||||
| 76 | void *u; | |||
| 77 | int r; | |||
| 78 | ||||
| 79 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 79, __PRETTY_FUNCTION__); } while (0); | |||
| 80 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 80, __PRETTY_FUNCTION__); } while (0); | |||
| 81 | assert(p)do { if ((__builtin_expect(!!(!(p)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p"), "../src/libsystemd/sd-bus/bus-objects.c" , 81, __PRETTY_FUNCTION__); } while (0); | |||
| 82 | assert(userdata)do { if ((__builtin_expect(!!(!(userdata)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("userdata"), "../src/libsystemd/sd-bus/bus-objects.c" , 82, __PRETTY_FUNCTION__); } while (0); | |||
| 83 | ||||
| 84 | r = node_vtable_get_userdata(bus, path, p->parent, &u, error); | |||
| 85 | if (r <= 0) | |||
| 86 | return r; | |||
| 87 | if (bus->nodes_modified) | |||
| 88 | return 0; | |||
| 89 | ||||
| 90 | *userdata = vtable_property_convert_userdata(p->vtable, u); | |||
| 91 | return 1; | |||
| 92 | } | |||
| 93 | ||||
| 94 | static int add_enumerated_to_set( | |||
| 95 | sd_bus *bus, | |||
| 96 | const char *prefix, | |||
| 97 | struct node_enumerator *first, | |||
| 98 | Set *s, | |||
| 99 | sd_bus_error *error) { | |||
| 100 | ||||
| 101 | struct node_enumerator *c; | |||
| 102 | int r; | |||
| 103 | ||||
| 104 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 104, __PRETTY_FUNCTION__); } while (0); | |||
| 105 | assert(prefix)do { if ((__builtin_expect(!!(!(prefix)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("prefix"), "../src/libsystemd/sd-bus/bus-objects.c" , 105, __PRETTY_FUNCTION__); } while (0); | |||
| 106 | assert(s)do { if ((__builtin_expect(!!(!(s)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("s"), "../src/libsystemd/sd-bus/bus-objects.c" , 106, __PRETTY_FUNCTION__); } while (0); | |||
| 107 | ||||
| 108 | LIST_FOREACH(enumerators, c, first)for ((c) = (first); (c); (c) = (c)->enumerators_next) { | |||
| 109 | char **children = NULL((void*)0), **k; | |||
| 110 | sd_bus_slot *slot; | |||
| 111 | ||||
| 112 | if (bus->nodes_modified) | |||
| 113 | return 0; | |||
| 114 | ||||
| 115 | slot = container_of(c, sd_bus_slot, node_enumerator)__extension__ ({ const typeof( ((sd_bus_slot*)0)->node_enumerator ) *__unique_prefix_A24 = ((c)); (sd_bus_slot*)( (char *)__unique_prefix_A24 - __builtin_offsetof(sd_bus_slot, node_enumerator) ); }); | |||
| 116 | ||||
| 117 | bus->current_slot = sd_bus_slot_ref(slot); | |||
| 118 | bus->current_userdata = slot->userdata; | |||
| 119 | r = c->callback(bus, prefix, slot->userdata, &children, error); | |||
| 120 | bus->current_userdata = NULL((void*)0); | |||
| 121 | bus->current_slot = sd_bus_slot_unref(slot); | |||
| 122 | ||||
| 123 | if (r < 0) | |||
| 124 | return r; | |||
| 125 | if (sd_bus_error_is_set(error)) | |||
| 126 | return -sd_bus_error_get_errno(error); | |||
| 127 | ||||
| 128 | STRV_FOREACH(k, children)for ((k) = (children); (k) && *(k); (k)++) { | |||
| 129 | if (r < 0) { | |||
| 130 | free(*k); | |||
| 131 | continue; | |||
| 132 | } | |||
| 133 | ||||
| 134 | if (!object_path_is_valid(*k)) { | |||
| 135 | free(*k); | |||
| 136 | r = -EINVAL22; | |||
| 137 | continue; | |||
| 138 | } | |||
| 139 | ||||
| 140 | if (!object_path_startswith(*k, prefix)) { | |||
| 141 | free(*k); | |||
| 142 | continue; | |||
| 143 | } | |||
| 144 | ||||
| 145 | r = set_consume(s, *k); | |||
| 146 | if (r == -EEXIST17) | |||
| 147 | r = 0; | |||
| 148 | } | |||
| 149 | ||||
| 150 | free(children); | |||
| 151 | if (r < 0) | |||
| 152 | return r; | |||
| 153 | } | |||
| 154 | ||||
| 155 | return 0; | |||
| 156 | } | |||
| 157 | ||||
| 158 | enum { | |||
| 159 | /* if set, add_subtree() works recursively */ | |||
| 160 | CHILDREN_RECURSIVE = 1 << 0, | |||
| 161 | /* if set, add_subtree() scans object-manager hierarchies recursively */ | |||
| 162 | CHILDREN_SUBHIERARCHIES = 1 << 1, | |||
| 163 | }; | |||
| 164 | ||||
| 165 | static int add_subtree_to_set( | |||
| 166 | sd_bus *bus, | |||
| 167 | const char *prefix, | |||
| 168 | struct node *n, | |||
| 169 | unsigned int flags, | |||
| 170 | Set *s, | |||
| 171 | sd_bus_error *error) { | |||
| 172 | ||||
| 173 | struct node *i; | |||
| 174 | int r; | |||
| 175 | ||||
| 176 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 176, __PRETTY_FUNCTION__); } while (0); | |||
| 177 | assert(prefix)do { if ((__builtin_expect(!!(!(prefix)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("prefix"), "../src/libsystemd/sd-bus/bus-objects.c" , 177, __PRETTY_FUNCTION__); } while (0); | |||
| 178 | assert(n)do { if ((__builtin_expect(!!(!(n)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n"), "../src/libsystemd/sd-bus/bus-objects.c" , 178, __PRETTY_FUNCTION__); } while (0); | |||
| 179 | assert(s)do { if ((__builtin_expect(!!(!(s)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("s"), "../src/libsystemd/sd-bus/bus-objects.c" , 179, __PRETTY_FUNCTION__); } while (0); | |||
| 180 | ||||
| 181 | r = add_enumerated_to_set(bus, prefix, n->enumerators, s, error); | |||
| 182 | if (r < 0) | |||
| 183 | return r; | |||
| 184 | if (bus->nodes_modified) | |||
| 185 | return 0; | |||
| 186 | ||||
| 187 | LIST_FOREACH(siblings, i, n->child)for ((i) = (n->child); (i); (i) = (i)->siblings_next) { | |||
| 188 | char *t; | |||
| 189 | ||||
| 190 | if (!object_path_startswith(i->path, prefix)) | |||
| 191 | continue; | |||
| 192 | ||||
| 193 | t = strdup(i->path); | |||
| 194 | if (!t) | |||
| 195 | return -ENOMEM12; | |||
| 196 | ||||
| 197 | r = set_consume(s, t); | |||
| 198 | if (r < 0 && r != -EEXIST17) | |||
| 199 | return r; | |||
| 200 | ||||
| 201 | if ((flags & CHILDREN_RECURSIVE) && | |||
| 202 | ((flags & CHILDREN_SUBHIERARCHIES) || !i->object_managers)) { | |||
| 203 | r = add_subtree_to_set(bus, prefix, i, flags, s, error); | |||
| 204 | if (r < 0) | |||
| 205 | return r; | |||
| 206 | if (bus->nodes_modified) | |||
| 207 | return 0; | |||
| 208 | } | |||
| 209 | } | |||
| 210 | ||||
| 211 | return 0; | |||
| 212 | } | |||
| 213 | ||||
| 214 | static int get_child_nodes( | |||
| 215 | sd_bus *bus, | |||
| 216 | const char *prefix, | |||
| 217 | struct node *n, | |||
| 218 | unsigned int flags, | |||
| 219 | Set **_s, | |||
| 220 | sd_bus_error *error) { | |||
| 221 | ||||
| 222 | Set *s = NULL((void*)0); | |||
| 223 | int r; | |||
| 224 | ||||
| 225 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 225, __PRETTY_FUNCTION__); } while (0); | |||
| 226 | assert(prefix)do { if ((__builtin_expect(!!(!(prefix)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("prefix"), "../src/libsystemd/sd-bus/bus-objects.c" , 226, __PRETTY_FUNCTION__); } while (0); | |||
| 227 | assert(n)do { if ((__builtin_expect(!!(!(n)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n"), "../src/libsystemd/sd-bus/bus-objects.c" , 227, __PRETTY_FUNCTION__); } while (0); | |||
| 228 | assert(_s)do { if ((__builtin_expect(!!(!(_s)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("_s"), "../src/libsystemd/sd-bus/bus-objects.c" , 228, __PRETTY_FUNCTION__); } while (0); | |||
| 229 | ||||
| 230 | s = set_new(&string_hash_ops)internal_set_new(&string_hash_ops ); | |||
| 231 | if (!s) | |||
| 232 | return -ENOMEM12; | |||
| 233 | ||||
| 234 | r = add_subtree_to_set(bus, prefix, n, flags, s, error); | |||
| 235 | if (r < 0) { | |||
| 236 | set_free_free(s); | |||
| 237 | return r; | |||
| 238 | } | |||
| 239 | ||||
| 240 | *_s = s; | |||
| 241 | return 0; | |||
| 242 | } | |||
| 243 | ||||
| 244 | static int node_callbacks_run( | |||
| 245 | sd_bus *bus, | |||
| 246 | sd_bus_message *m, | |||
| 247 | struct node_callback *first, | |||
| 248 | bool_Bool require_fallback, | |||
| 249 | bool_Bool *found_object) { | |||
| 250 | ||||
| 251 | struct node_callback *c; | |||
| 252 | int r; | |||
| 253 | ||||
| 254 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 254, __PRETTY_FUNCTION__); } while (0); | |||
| 255 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 255, __PRETTY_FUNCTION__); } while (0); | |||
| 256 | assert(found_object)do { if ((__builtin_expect(!!(!(found_object)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("found_object"), "../src/libsystemd/sd-bus/bus-objects.c" , 256, __PRETTY_FUNCTION__); } while (0); | |||
| 257 | ||||
| 258 | LIST_FOREACH(callbacks, c, first)for ((c) = (first); (c); (c) = (c)->callbacks_next) { | |||
| 259 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error_buffer = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 260 | sd_bus_slot *slot; | |||
| 261 | ||||
| 262 | if (bus->nodes_modified) | |||
| 263 | return 0; | |||
| 264 | ||||
| 265 | if (require_fallback && !c->is_fallback) | |||
| 266 | continue; | |||
| 267 | ||||
| 268 | *found_object = true1; | |||
| 269 | ||||
| 270 | if (c->last_iteration == bus->iteration_counter) | |||
| 271 | continue; | |||
| 272 | ||||
| 273 | c->last_iteration = bus->iteration_counter; | |||
| 274 | ||||
| 275 | r = sd_bus_message_rewind(m, true1); | |||
| 276 | if (r < 0) | |||
| 277 | return r; | |||
| 278 | ||||
| 279 | slot = container_of(c, sd_bus_slot, node_callback)__extension__ ({ const typeof( ((sd_bus_slot*)0)->node_callback ) *__unique_prefix_A25 = ((c)); (sd_bus_slot*)( (char *)__unique_prefix_A25 - __builtin_offsetof(sd_bus_slot, node_callback) ); }); | |||
| 280 | ||||
| 281 | bus->current_slot = sd_bus_slot_ref(slot); | |||
| 282 | bus->current_handler = c->callback; | |||
| 283 | bus->current_userdata = slot->userdata; | |||
| 284 | r = c->callback(m, slot->userdata, &error_buffer); | |||
| 285 | bus->current_userdata = NULL((void*)0); | |||
| 286 | bus->current_handler = NULL((void*)0); | |||
| 287 | bus->current_slot = sd_bus_slot_unref(slot); | |||
| 288 | ||||
| 289 | r = bus_maybe_reply_error(m, r, &error_buffer); | |||
| 290 | if (r != 0) | |||
| 291 | return r; | |||
| 292 | } | |||
| 293 | ||||
| 294 | return 0; | |||
| 295 | } | |||
| 296 | ||||
| 297 | #define CAPABILITY_SHIFT(x)(((x) >> __builtin_ctzll(_SD_BUS_VTABLE_CAPABILITY_MASK )) & 0xFFFF) (((x) >> __builtin_ctzll(_SD_BUS_VTABLE_CAPABILITY_MASK)) & 0xFFFF) | |||
| 298 | ||||
| 299 | static int check_access(sd_bus *bus, sd_bus_message *m, struct vtable_member *c, sd_bus_error *error) { | |||
| 300 | uint64_t cap; | |||
| 301 | int r; | |||
| 302 | ||||
| 303 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 303, __PRETTY_FUNCTION__); } while (0); | |||
| 304 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 304, __PRETTY_FUNCTION__); } while (0); | |||
| 305 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-objects.c" , 305, __PRETTY_FUNCTION__); } while (0); | |||
| 306 | ||||
| 307 | /* If the entire bus is trusted let's grant access */ | |||
| 308 | if (bus->trusted) | |||
| 309 | return 0; | |||
| 310 | ||||
| 311 | /* If the member is marked UNPRIVILEGED let's grant access */ | |||
| 312 | if (c->vtable->flags & SD_BUS_VTABLE_UNPRIVILEGED) | |||
| 313 | return 0; | |||
| 314 | ||||
| 315 | /* Check have the caller has the requested capability | |||
| 316 | * set. Note that the flags value contains the capability | |||
| 317 | * number plus one, which we need to subtract here. We do this | |||
| 318 | * so that we have 0 as special value for "default | |||
| 319 | * capability". */ | |||
| 320 | cap = CAPABILITY_SHIFT(c->vtable->flags)(((c->vtable->flags) >> __builtin_ctzll(_SD_BUS_VTABLE_CAPABILITY_MASK )) & 0xFFFF); | |||
| 321 | if (cap == 0) | |||
| 322 | cap = CAPABILITY_SHIFT(c->parent->vtable[0].flags)(((c->parent->vtable[0].flags) >> __builtin_ctzll (_SD_BUS_VTABLE_CAPABILITY_MASK)) & 0xFFFF); | |||
| 323 | if (cap == 0) | |||
| 324 | cap = CAP_SYS_ADMIN21; | |||
| 325 | else | |||
| 326 | cap--; | |||
| 327 | ||||
| 328 | r = sd_bus_query_sender_privilege(m, cap); | |||
| 329 | if (r < 0) | |||
| 330 | return r; | |||
| 331 | if (r > 0) | |||
| 332 | return 0; | |||
| 333 | ||||
| 334 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED"org.freedesktop.DBus.Error.AccessDenied", "Access to %s.%s() not permitted.", c->interface, c->member); | |||
| 335 | } | |||
| 336 | ||||
| 337 | static int method_callbacks_run( | |||
| 338 | sd_bus *bus, | |||
| 339 | sd_bus_message *m, | |||
| 340 | struct vtable_member *c, | |||
| 341 | bool_Bool require_fallback, | |||
| 342 | bool_Bool *found_object) { | |||
| 343 | ||||
| 344 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 345 | const char *signature; | |||
| 346 | void *u; | |||
| 347 | int r; | |||
| 348 | ||||
| 349 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 349, __PRETTY_FUNCTION__); } while (0); | |||
| 350 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 350, __PRETTY_FUNCTION__); } while (0); | |||
| 351 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-objects.c" , 351, __PRETTY_FUNCTION__); } while (0); | |||
| 352 | assert(found_object)do { if ((__builtin_expect(!!(!(found_object)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("found_object"), "../src/libsystemd/sd-bus/bus-objects.c" , 352, __PRETTY_FUNCTION__); } while (0); | |||
| 353 | ||||
| 354 | if (require_fallback && !c->parent->is_fallback) | |||
| 355 | return 0; | |||
| 356 | ||||
| 357 | r = check_access(bus, m, c, &error); | |||
| 358 | if (r < 0) | |||
| 359 | return bus_maybe_reply_error(m, r, &error); | |||
| 360 | ||||
| 361 | r = node_vtable_get_userdata(bus, m->path, c->parent, &u, &error); | |||
| 362 | if (r <= 0) | |||
| 363 | return bus_maybe_reply_error(m, r, &error); | |||
| 364 | if (bus->nodes_modified) | |||
| 365 | return 0; | |||
| 366 | ||||
| 367 | u = vtable_method_convert_userdata(c->vtable, u); | |||
| 368 | ||||
| 369 | *found_object = true1; | |||
| 370 | ||||
| 371 | if (c->last_iteration == bus->iteration_counter) | |||
| 372 | return 0; | |||
| 373 | ||||
| 374 | c->last_iteration = bus->iteration_counter; | |||
| 375 | ||||
| 376 | r = sd_bus_message_rewind(m, true1); | |||
| 377 | if (r < 0) | |||
| 378 | return r; | |||
| 379 | ||||
| 380 | signature = sd_bus_message_get_signature(m, true1); | |||
| 381 | if (!signature) | |||
| 382 | return -EINVAL22; | |||
| 383 | ||||
| 384 | if (!streq(strempty(c->vtable->x.method.signature), signature)(strcmp((strempty(c->vtable->x.method.signature)),(signature )) == 0)) | |||
| 385 | return sd_bus_reply_method_errorf( | |||
| 386 | m, | |||
| 387 | SD_BUS_ERROR_INVALID_ARGS"org.freedesktop.DBus.Error.InvalidArgs", | |||
| 388 | "Invalid arguments '%s' to call %s.%s(), expecting '%s'.", | |||
| 389 | signature, c->interface, c->member, strempty(c->vtable->x.method.signature)); | |||
| 390 | ||||
| 391 | /* Keep track what the signature of the reply to this message | |||
| 392 | * should be, so that this can be enforced when sealing the | |||
| 393 | * reply. */ | |||
| 394 | m->enforced_reply_signature = strempty(c->vtable->x.method.result); | |||
| 395 | ||||
| 396 | if (c->vtable->x.method.handler) { | |||
| 397 | sd_bus_slot *slot; | |||
| 398 | ||||
| 399 | slot = container_of(c->parent, sd_bus_slot, node_vtable)__extension__ ({ const typeof( ((sd_bus_slot*)0)->node_vtable ) *__unique_prefix_A26 = ((c->parent)); (sd_bus_slot*)( ( char *)__unique_prefix_A26 - __builtin_offsetof(sd_bus_slot, node_vtable ) ); }); | |||
| 400 | ||||
| 401 | bus->current_slot = sd_bus_slot_ref(slot); | |||
| 402 | bus->current_handler = c->vtable->x.method.handler; | |||
| 403 | bus->current_userdata = u; | |||
| 404 | r = c->vtable->x.method.handler(m, u, &error); | |||
| 405 | bus->current_userdata = NULL((void*)0); | |||
| 406 | bus->current_handler = NULL((void*)0); | |||
| 407 | bus->current_slot = sd_bus_slot_unref(slot); | |||
| 408 | ||||
| 409 | return bus_maybe_reply_error(m, r, &error); | |||
| 410 | } | |||
| 411 | ||||
| 412 | /* If the method callback is NULL, make this a successful NOP */ | |||
| 413 | r = sd_bus_reply_method_return(m, NULL((void*)0)); | |||
| 414 | if (r < 0) | |||
| 415 | return r; | |||
| 416 | ||||
| 417 | return 1; | |||
| 418 | } | |||
| 419 | ||||
| 420 | static int invoke_property_get( | |||
| 421 | sd_bus *bus, | |||
| 422 | sd_bus_slot *slot, | |||
| 423 | const sd_bus_vtable *v, | |||
| 424 | const char *path, | |||
| 425 | const char *interface, | |||
| 426 | const char *property, | |||
| 427 | sd_bus_message *reply, | |||
| 428 | void *userdata, | |||
| 429 | sd_bus_error *error) { | |||
| 430 | ||||
| 431 | const void *p; | |||
| 432 | int r; | |||
| 433 | ||||
| 434 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 434, __PRETTY_FUNCTION__); } while (0); | |||
| 435 | assert(slot)do { if ((__builtin_expect(!!(!(slot)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("slot"), "../src/libsystemd/sd-bus/bus-objects.c" , 435, __PRETTY_FUNCTION__); } while (0); | |||
| 436 | assert(v)do { if ((__builtin_expect(!!(!(v)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("v"), "../src/libsystemd/sd-bus/bus-objects.c" , 436, __PRETTY_FUNCTION__); } while (0); | |||
| 437 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 437, __PRETTY_FUNCTION__); } while (0); | |||
| 438 | assert(interface)do { if ((__builtin_expect(!!(!(interface)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("interface"), "../src/libsystemd/sd-bus/bus-objects.c" , 438, __PRETTY_FUNCTION__); } while (0); | |||
| 439 | assert(property)do { if ((__builtin_expect(!!(!(property)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("property"), "../src/libsystemd/sd-bus/bus-objects.c" , 439, __PRETTY_FUNCTION__); } while (0); | |||
| 440 | assert(reply)do { if ((__builtin_expect(!!(!(reply)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("reply"), "../src/libsystemd/sd-bus/bus-objects.c" , 440, __PRETTY_FUNCTION__); } while (0); | |||
| 441 | ||||
| 442 | if (v->x.property.get) { | |||
| 443 | ||||
| 444 | bus->current_slot = sd_bus_slot_ref(slot); | |||
| 445 | bus->current_userdata = userdata; | |||
| 446 | r = v->x.property.get(bus, path, interface, property, reply, userdata, error); | |||
| 447 | bus->current_userdata = NULL((void*)0); | |||
| 448 | bus->current_slot = sd_bus_slot_unref(slot); | |||
| 449 | ||||
| 450 | if (r < 0) | |||
| 451 | return r; | |||
| 452 | if (sd_bus_error_is_set(error)) | |||
| 453 | return -sd_bus_error_get_errno(error); | |||
| 454 | return r; | |||
| 455 | } | |||
| 456 | ||||
| 457 | /* Automatic handling if no callback is defined. */ | |||
| 458 | ||||
| 459 | if (streq(v->x.property.signature, "as")(strcmp((v->x.property.signature),("as")) == 0)) | |||
| 460 | return sd_bus_message_append_strv(reply, *(char***) userdata); | |||
| 461 | ||||
| 462 | assert(signature_is_single(v->x.property.signature, false))do { if ((__builtin_expect(!!(!(signature_is_single(v->x.property .signature, 0))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("signature_is_single(v->x.property.signature, false)"), "../src/libsystemd/sd-bus/bus-objects.c", 462, __PRETTY_FUNCTION__ ); } while (0); | |||
| 463 | assert(bus_type_is_basic(v->x.property.signature[0]))do { if ((__builtin_expect(!!(!(bus_type_is_basic(v->x.property .signature[0]))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("bus_type_is_basic(v->x.property.signature[0])"), "../src/libsystemd/sd-bus/bus-objects.c" , 463, __PRETTY_FUNCTION__); } while (0); | |||
| 464 | ||||
| 465 | switch (v->x.property.signature[0]) { | |||
| 466 | ||||
| 467 | case SD_BUS_TYPE_STRING: | |||
| 468 | case SD_BUS_TYPE_SIGNATURE: | |||
| 469 | p = strempty(*(char**) userdata); | |||
| 470 | break; | |||
| 471 | ||||
| 472 | case SD_BUS_TYPE_OBJECT_PATH: | |||
| 473 | p = *(char**) userdata; | |||
| 474 | assert(p)do { if ((__builtin_expect(!!(!(p)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p"), "../src/libsystemd/sd-bus/bus-objects.c" , 474, __PRETTY_FUNCTION__); } while (0); | |||
| 475 | break; | |||
| 476 | ||||
| 477 | default: | |||
| 478 | p = userdata; | |||
| 479 | break; | |||
| 480 | } | |||
| 481 | ||||
| 482 | return sd_bus_message_append_basic(reply, v->x.property.signature[0], p); | |||
| 483 | } | |||
| 484 | ||||
| 485 | static int invoke_property_set( | |||
| 486 | sd_bus *bus, | |||
| 487 | sd_bus_slot *slot, | |||
| 488 | const sd_bus_vtable *v, | |||
| 489 | const char *path, | |||
| 490 | const char *interface, | |||
| 491 | const char *property, | |||
| 492 | sd_bus_message *value, | |||
| 493 | void *userdata, | |||
| 494 | sd_bus_error *error) { | |||
| 495 | ||||
| 496 | int r; | |||
| 497 | ||||
| 498 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 498, __PRETTY_FUNCTION__); } while (0); | |||
| 499 | assert(slot)do { if ((__builtin_expect(!!(!(slot)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("slot"), "../src/libsystemd/sd-bus/bus-objects.c" , 499, __PRETTY_FUNCTION__); } while (0); | |||
| 500 | assert(v)do { if ((__builtin_expect(!!(!(v)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("v"), "../src/libsystemd/sd-bus/bus-objects.c" , 500, __PRETTY_FUNCTION__); } while (0); | |||
| 501 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 501, __PRETTY_FUNCTION__); } while (0); | |||
| 502 | assert(interface)do { if ((__builtin_expect(!!(!(interface)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("interface"), "../src/libsystemd/sd-bus/bus-objects.c" , 502, __PRETTY_FUNCTION__); } while (0); | |||
| 503 | assert(property)do { if ((__builtin_expect(!!(!(property)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("property"), "../src/libsystemd/sd-bus/bus-objects.c" , 503, __PRETTY_FUNCTION__); } while (0); | |||
| 504 | assert(value)do { if ((__builtin_expect(!!(!(value)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("value"), "../src/libsystemd/sd-bus/bus-objects.c" , 504, __PRETTY_FUNCTION__); } while (0); | |||
| 505 | ||||
| 506 | if (v->x.property.set) { | |||
| 507 | ||||
| 508 | bus->current_slot = sd_bus_slot_ref(slot); | |||
| 509 | bus->current_userdata = userdata; | |||
| 510 | r = v->x.property.set(bus, path, interface, property, value, userdata, error); | |||
| 511 | bus->current_userdata = NULL((void*)0); | |||
| 512 | bus->current_slot = sd_bus_slot_unref(slot); | |||
| 513 | ||||
| 514 | if (r < 0) | |||
| 515 | return r; | |||
| 516 | if (sd_bus_error_is_set(error)) | |||
| 517 | return -sd_bus_error_get_errno(error); | |||
| 518 | return r; | |||
| 519 | } | |||
| 520 | ||||
| 521 | /* Automatic handling if no callback is defined. */ | |||
| 522 | ||||
| 523 | assert(signature_is_single(v->x.property.signature, false))do { if ((__builtin_expect(!!(!(signature_is_single(v->x.property .signature, 0))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("signature_is_single(v->x.property.signature, false)"), "../src/libsystemd/sd-bus/bus-objects.c", 523, __PRETTY_FUNCTION__ ); } while (0); | |||
| 524 | assert(bus_type_is_basic(v->x.property.signature[0]))do { if ((__builtin_expect(!!(!(bus_type_is_basic(v->x.property .signature[0]))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("bus_type_is_basic(v->x.property.signature[0])"), "../src/libsystemd/sd-bus/bus-objects.c" , 524, __PRETTY_FUNCTION__); } while (0); | |||
| 525 | ||||
| 526 | switch (v->x.property.signature[0]) { | |||
| 527 | ||||
| 528 | case SD_BUS_TYPE_STRING: | |||
| 529 | case SD_BUS_TYPE_OBJECT_PATH: | |||
| 530 | case SD_BUS_TYPE_SIGNATURE: { | |||
| 531 | const char *p; | |||
| 532 | char *n; | |||
| 533 | ||||
| 534 | r = sd_bus_message_read_basic(value, v->x.property.signature[0], &p); | |||
| 535 | if (r < 0) | |||
| 536 | return r; | |||
| 537 | ||||
| 538 | n = strdup(p); | |||
| 539 | if (!n) | |||
| 540 | return -ENOMEM12; | |||
| 541 | ||||
| 542 | free(*(char**) userdata); | |||
| 543 | *(char**) userdata = n; | |||
| 544 | ||||
| 545 | break; | |||
| 546 | } | |||
| 547 | ||||
| 548 | default: | |||
| 549 | r = sd_bus_message_read_basic(value, v->x.property.signature[0], userdata); | |||
| 550 | if (r < 0) | |||
| 551 | return r; | |||
| 552 | ||||
| 553 | break; | |||
| 554 | } | |||
| 555 | ||||
| 556 | return 1; | |||
| 557 | } | |||
| 558 | ||||
| 559 | static int property_get_set_callbacks_run( | |||
| 560 | sd_bus *bus, | |||
| 561 | sd_bus_message *m, | |||
| 562 | struct vtable_member *c, | |||
| 563 | bool_Bool require_fallback, | |||
| 564 | bool_Bool is_get, | |||
| 565 | bool_Bool *found_object) { | |||
| 566 | ||||
| 567 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 568 | _cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message *reply = NULL((void*)0); | |||
| 569 | sd_bus_slot *slot; | |||
| 570 | void *u = NULL((void*)0); | |||
| 571 | int r; | |||
| 572 | ||||
| 573 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 573, __PRETTY_FUNCTION__); } while (0); | |||
| 574 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 574, __PRETTY_FUNCTION__); } while (0); | |||
| 575 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-objects.c" , 575, __PRETTY_FUNCTION__); } while (0); | |||
| 576 | assert(found_object)do { if ((__builtin_expect(!!(!(found_object)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("found_object"), "../src/libsystemd/sd-bus/bus-objects.c" , 576, __PRETTY_FUNCTION__); } while (0); | |||
| 577 | ||||
| 578 | if (require_fallback && !c->parent->is_fallback) | |||
| 579 | return 0; | |||
| 580 | ||||
| 581 | r = vtable_property_get_userdata(bus, m->path, c, &u, &error); | |||
| 582 | if (r <= 0) | |||
| 583 | return bus_maybe_reply_error(m, r, &error); | |||
| 584 | if (bus->nodes_modified) | |||
| 585 | return 0; | |||
| 586 | ||||
| 587 | slot = container_of(c->parent, sd_bus_slot, node_vtable)__extension__ ({ const typeof( ((sd_bus_slot*)0)->node_vtable ) *__unique_prefix_A27 = ((c->parent)); (sd_bus_slot*)( ( char *)__unique_prefix_A27 - __builtin_offsetof(sd_bus_slot, node_vtable ) ); }); | |||
| 588 | ||||
| 589 | *found_object = true1; | |||
| 590 | ||||
| 591 | r = sd_bus_message_new_method_return(m, &reply); | |||
| 592 | if (r < 0) | |||
| 593 | return r; | |||
| 594 | ||||
| 595 | if (is_get) { | |||
| 596 | /* Note that we do not protect against reexecution | |||
| 597 | * here (using the last_iteration check, see below), | |||
| 598 | * should the node tree have changed and we got called | |||
| 599 | * again. We assume that property Get() calls are | |||
| 600 | * ultimately without side-effects or if they aren't | |||
| 601 | * then at least idempotent. */ | |||
| 602 | ||||
| 603 | r = sd_bus_message_open_container(reply, 'v', c->vtable->x.property.signature); | |||
| 604 | if (r < 0) | |||
| 605 | return r; | |||
| 606 | ||||
| 607 | /* Note that we do not do an access check here. Read | |||
| 608 | * access to properties is always unrestricted, since | |||
| 609 | * PropertiesChanged signals broadcast contents | |||
| 610 | * anyway. */ | |||
| 611 | ||||
| 612 | r = invoke_property_get(bus, slot, c->vtable, m->path, c->interface, c->member, reply, u, &error); | |||
| 613 | if (r < 0) | |||
| 614 | return bus_maybe_reply_error(m, r, &error); | |||
| 615 | ||||
| 616 | if (bus->nodes_modified) | |||
| 617 | return 0; | |||
| 618 | ||||
| 619 | r = sd_bus_message_close_container(reply); | |||
| 620 | if (r < 0) | |||
| 621 | return r; | |||
| 622 | ||||
| 623 | } else { | |||
| 624 | const char *signature = NULL((void*)0); | |||
| 625 | char type = 0; | |||
| 626 | ||||
| 627 | if (c->vtable->type != _SD_BUS_VTABLE_WRITABLE_PROPERTY) | |||
| 628 | return sd_bus_reply_method_errorf(m, SD_BUS_ERROR_PROPERTY_READ_ONLY"org.freedesktop.DBus.Error.PropertyReadOnly", "Property '%s' is not writable.", c->member); | |||
| 629 | ||||
| 630 | /* Avoid that we call the set routine more than once | |||
| 631 | * if the processing of this message got restarted | |||
| 632 | * because the node tree changed. */ | |||
| 633 | if (c->last_iteration == bus->iteration_counter) | |||
| 634 | return 0; | |||
| 635 | ||||
| 636 | c->last_iteration = bus->iteration_counter; | |||
| 637 | ||||
| 638 | r = sd_bus_message_peek_type(m, &type, &signature); | |||
| 639 | if (r < 0) | |||
| 640 | return r; | |||
| 641 | ||||
| 642 | if (type != 'v' || !streq(strempty(signature), strempty(c->vtable->x.property.signature))(strcmp((strempty(signature)),(strempty(c->vtable->x.property .signature))) == 0)) | |||
| 643 | return sd_bus_reply_method_errorf(m, SD_BUS_ERROR_INVALID_ARGS"org.freedesktop.DBus.Error.InvalidArgs", "Incorrect parameters for property '%s', expected '%s', got '%s'.", c->member, strempty(c->vtable->x.property.signature), strempty(signature)); | |||
| 644 | ||||
| 645 | r = sd_bus_message_enter_container(m, 'v', c->vtable->x.property.signature); | |||
| 646 | if (r < 0) | |||
| 647 | return r; | |||
| 648 | ||||
| 649 | r = check_access(bus, m, c, &error); | |||
| 650 | if (r < 0) | |||
| 651 | return bus_maybe_reply_error(m, r, &error); | |||
| 652 | ||||
| 653 | r = invoke_property_set(bus, slot, c->vtable, m->path, c->interface, c->member, m, u, &error); | |||
| 654 | if (r < 0) | |||
| 655 | return bus_maybe_reply_error(m, r, &error); | |||
| 656 | ||||
| 657 | if (bus->nodes_modified) | |||
| 658 | return 0; | |||
| 659 | ||||
| 660 | r = sd_bus_message_exit_container(m); | |||
| 661 | if (r < 0) | |||
| 662 | return r; | |||
| 663 | } | |||
| 664 | ||||
| 665 | r = sd_bus_send(bus, reply, NULL((void*)0)); | |||
| 666 | if (r < 0) | |||
| 667 | return r; | |||
| 668 | ||||
| 669 | return 1; | |||
| 670 | } | |||
| 671 | ||||
| 672 | static int vtable_append_one_property( | |||
| 673 | sd_bus *bus, | |||
| 674 | sd_bus_message *reply, | |||
| 675 | const char *path, | |||
| 676 | struct node_vtable *c, | |||
| 677 | const sd_bus_vtable *v, | |||
| 678 | void *userdata, | |||
| 679 | sd_bus_error *error) { | |||
| 680 | ||||
| 681 | sd_bus_slot *slot; | |||
| 682 | int r; | |||
| 683 | ||||
| 684 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 684, __PRETTY_FUNCTION__); } while (0); | |||
| 685 | assert(reply)do { if ((__builtin_expect(!!(!(reply)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("reply"), "../src/libsystemd/sd-bus/bus-objects.c" , 685, __PRETTY_FUNCTION__); } while (0); | |||
| 686 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 686, __PRETTY_FUNCTION__); } while (0); | |||
| 687 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-objects.c" , 687, __PRETTY_FUNCTION__); } while (0); | |||
| 688 | assert(v)do { if ((__builtin_expect(!!(!(v)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("v"), "../src/libsystemd/sd-bus/bus-objects.c" , 688, __PRETTY_FUNCTION__); } while (0); | |||
| 689 | ||||
| 690 | r = sd_bus_message_open_container(reply, 'e', "sv"); | |||
| 691 | if (r < 0) | |||
| 692 | return r; | |||
| 693 | ||||
| 694 | r = sd_bus_message_append(reply, "s", v->x.property.member); | |||
| 695 | if (r < 0) | |||
| 696 | return r; | |||
| 697 | ||||
| 698 | r = sd_bus_message_open_container(reply, 'v', v->x.property.signature); | |||
| 699 | if (r < 0) | |||
| 700 | return r; | |||
| 701 | ||||
| 702 | slot = container_of(c, sd_bus_slot, node_vtable)__extension__ ({ const typeof( ((sd_bus_slot*)0)->node_vtable ) *__unique_prefix_A28 = ((c)); (sd_bus_slot*)( (char *)__unique_prefix_A28 - __builtin_offsetof(sd_bus_slot, node_vtable) ); }); | |||
| 703 | ||||
| 704 | r = invoke_property_get(bus, slot, v, path, c->interface, v->x.property.member, reply, vtable_property_convert_userdata(v, userdata), error); | |||
| 705 | if (r < 0) | |||
| 706 | return r; | |||
| 707 | if (bus->nodes_modified) | |||
| 708 | return 0; | |||
| 709 | ||||
| 710 | r = sd_bus_message_close_container(reply); | |||
| 711 | if (r < 0) | |||
| 712 | return r; | |||
| 713 | ||||
| 714 | r = sd_bus_message_close_container(reply); | |||
| 715 | if (r < 0) | |||
| 716 | return r; | |||
| 717 | ||||
| 718 | return 0; | |||
| 719 | } | |||
| 720 | ||||
| 721 | static int vtable_append_all_properties( | |||
| 722 | sd_bus *bus, | |||
| 723 | sd_bus_message *reply, | |||
| 724 | const char *path, | |||
| 725 | struct node_vtable *c, | |||
| 726 | void *userdata, | |||
| 727 | sd_bus_error *error) { | |||
| 728 | ||||
| 729 | const sd_bus_vtable *v; | |||
| 730 | int r; | |||
| 731 | ||||
| 732 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 732, __PRETTY_FUNCTION__); } while (0); | |||
| 733 | assert(reply)do { if ((__builtin_expect(!!(!(reply)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("reply"), "../src/libsystemd/sd-bus/bus-objects.c" , 733, __PRETTY_FUNCTION__); } while (0); | |||
| 734 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 734, __PRETTY_FUNCTION__); } while (0); | |||
| 735 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-objects.c" , 735, __PRETTY_FUNCTION__); } while (0); | |||
| 736 | ||||
| 737 | if (c->vtable[0].flags & SD_BUS_VTABLE_HIDDEN) | |||
| 738 | return 1; | |||
| 739 | ||||
| 740 | for (v = c->vtable+1; v->type != _SD_BUS_VTABLE_END; v++) { | |||
| 741 | if (!IN_SET(v->type, _SD_BUS_VTABLE_PROPERTY, _SD_BUS_VTABLE_WRITABLE_PROPERTY)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){_SD_BUS_VTABLE_PROPERTY, _SD_BUS_VTABLE_WRITABLE_PROPERTY })/sizeof(int)]; switch(v->type) { case _SD_BUS_VTABLE_PROPERTY : case _SD_BUS_VTABLE_WRITABLE_PROPERTY: _found = 1; break; default : break; } _found; })) | |||
| 742 | continue; | |||
| 743 | ||||
| 744 | if (v->flags & SD_BUS_VTABLE_HIDDEN) | |||
| 745 | continue; | |||
| 746 | ||||
| 747 | if (v->flags & SD_BUS_VTABLE_PROPERTY_EXPLICIT) | |||
| 748 | continue; | |||
| 749 | ||||
| 750 | r = vtable_append_one_property(bus, reply, path, c, v, userdata, error); | |||
| 751 | if (r < 0) | |||
| 752 | return r; | |||
| 753 | if (bus->nodes_modified) | |||
| 754 | return 0; | |||
| 755 | } | |||
| 756 | ||||
| 757 | return 1; | |||
| 758 | } | |||
| 759 | ||||
| 760 | static int property_get_all_callbacks_run( | |||
| 761 | sd_bus *bus, | |||
| 762 | sd_bus_message *m, | |||
| 763 | struct node_vtable *first, | |||
| 764 | bool_Bool require_fallback, | |||
| 765 | const char *iface, | |||
| 766 | bool_Bool *found_object) { | |||
| 767 | ||||
| 768 | _cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message *reply = NULL((void*)0); | |||
| 769 | struct node_vtable *c; | |||
| 770 | bool_Bool found_interface; | |||
| 771 | int r; | |||
| 772 | ||||
| 773 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 773, __PRETTY_FUNCTION__); } while (0); | |||
| 774 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 774, __PRETTY_FUNCTION__); } while (0); | |||
| 775 | assert(found_object)do { if ((__builtin_expect(!!(!(found_object)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("found_object"), "../src/libsystemd/sd-bus/bus-objects.c" , 775, __PRETTY_FUNCTION__); } while (0); | |||
| 776 | ||||
| 777 | r = sd_bus_message_new_method_return(m, &reply); | |||
| 778 | if (r < 0) | |||
| 779 | return r; | |||
| 780 | ||||
| 781 | r = sd_bus_message_open_container(reply, 'a', "{sv}"); | |||
| 782 | if (r < 0) | |||
| 783 | return r; | |||
| 784 | ||||
| 785 | found_interface = !iface || | |||
| 786 | streq(iface, "org.freedesktop.DBus.Properties")(strcmp((iface),("org.freedesktop.DBus.Properties")) == 0) || | |||
| 787 | streq(iface, "org.freedesktop.DBus.Peer")(strcmp((iface),("org.freedesktop.DBus.Peer")) == 0) || | |||
| 788 | streq(iface, "org.freedesktop.DBus.Introspectable")(strcmp((iface),("org.freedesktop.DBus.Introspectable")) == 0 ); | |||
| 789 | ||||
| 790 | LIST_FOREACH(vtables, c, first)for ((c) = (first); (c); (c) = (c)->vtables_next) { | |||
| 791 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 792 | void *u; | |||
| 793 | ||||
| 794 | if (require_fallback && !c->is_fallback) | |||
| 795 | continue; | |||
| 796 | ||||
| 797 | r = node_vtable_get_userdata(bus, m->path, c, &u, &error); | |||
| 798 | if (r < 0) | |||
| 799 | return bus_maybe_reply_error(m, r, &error); | |||
| 800 | if (bus->nodes_modified) | |||
| 801 | return 0; | |||
| 802 | if (r == 0) | |||
| 803 | continue; | |||
| 804 | ||||
| 805 | *found_object = true1; | |||
| 806 | ||||
| 807 | if (iface && !streq(c->interface, iface)(strcmp((c->interface),(iface)) == 0)) | |||
| 808 | continue; | |||
| 809 | found_interface = true1; | |||
| 810 | ||||
| 811 | r = vtable_append_all_properties(bus, reply, m->path, c, u, &error); | |||
| 812 | if (r < 0) | |||
| 813 | return bus_maybe_reply_error(m, r, &error); | |||
| 814 | if (bus->nodes_modified) | |||
| 815 | return 0; | |||
| 816 | } | |||
| 817 | ||||
| 818 | if (!*found_object) | |||
| 819 | return 0; | |||
| 820 | ||||
| 821 | if (!found_interface) { | |||
| 822 | r = sd_bus_reply_method_errorf( | |||
| 823 | m, | |||
| 824 | SD_BUS_ERROR_UNKNOWN_INTERFACE"org.freedesktop.DBus.Error.UnknownInterface", | |||
| 825 | "Unknown interface '%s'.", iface); | |||
| 826 | if (r < 0) | |||
| 827 | return r; | |||
| 828 | ||||
| 829 | return 1; | |||
| 830 | } | |||
| 831 | ||||
| 832 | r = sd_bus_message_close_container(reply); | |||
| 833 | if (r < 0) | |||
| 834 | return r; | |||
| 835 | ||||
| 836 | r = sd_bus_send(bus, reply, NULL((void*)0)); | |||
| 837 | if (r < 0) | |||
| 838 | return r; | |||
| 839 | ||||
| 840 | return 1; | |||
| 841 | } | |||
| 842 | ||||
| 843 | static int bus_node_exists( | |||
| 844 | sd_bus *bus, | |||
| 845 | struct node *n, | |||
| 846 | const char *path, | |||
| 847 | bool_Bool require_fallback) { | |||
| 848 | ||||
| 849 | struct node_vtable *c; | |||
| 850 | struct node_callback *k; | |||
| 851 | int r; | |||
| 852 | ||||
| 853 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 853, __PRETTY_FUNCTION__); } while (0); | |||
| 854 | assert(n)do { if ((__builtin_expect(!!(!(n)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n"), "../src/libsystemd/sd-bus/bus-objects.c" , 854, __PRETTY_FUNCTION__); } while (0); | |||
| 855 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 855, __PRETTY_FUNCTION__); } while (0); | |||
| 856 | ||||
| 857 | /* Tests if there's anything attached directly to this node | |||
| 858 | * for the specified path */ | |||
| 859 | ||||
| 860 | if (!require_fallback && (n->enumerators || n->object_managers)) | |||
| 861 | return true1; | |||
| 862 | ||||
| 863 | LIST_FOREACH(callbacks, k, n->callbacks)for ((k) = (n->callbacks); (k); (k) = (k)->callbacks_next ) { | |||
| 864 | if (require_fallback && !k->is_fallback) | |||
| 865 | continue; | |||
| 866 | ||||
| 867 | return 1; | |||
| 868 | } | |||
| 869 | ||||
| 870 | LIST_FOREACH(vtables, c, n->vtables)for ((c) = (n->vtables); (c); (c) = (c)->vtables_next) { | |||
| 871 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 872 | ||||
| 873 | if (require_fallback && !c->is_fallback) | |||
| 874 | continue; | |||
| 875 | ||||
| 876 | r = node_vtable_get_userdata(bus, path, c, NULL((void*)0), &error); | |||
| 877 | if (r != 0) | |||
| 878 | return r; | |||
| 879 | if (bus->nodes_modified) | |||
| 880 | return 0; | |||
| 881 | } | |||
| 882 | ||||
| 883 | return 0; | |||
| 884 | } | |||
| 885 | ||||
| 886 | static int process_introspect( | |||
| 887 | sd_bus *bus, | |||
| 888 | sd_bus_message *m, | |||
| 889 | struct node *n, | |||
| 890 | bool_Bool require_fallback, | |||
| 891 | bool_Bool *found_object) { | |||
| 892 | ||||
| 893 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 894 | _cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message *reply = NULL((void*)0); | |||
| 895 | _cleanup_set_free_free___attribute__((cleanup(set_free_freep))) Set *s = NULL((void*)0); | |||
| 896 | const char *previous_interface = NULL((void*)0); | |||
| 897 | struct introspect intro; | |||
| 898 | struct node_vtable *c; | |||
| 899 | bool_Bool empty; | |||
| 900 | int r; | |||
| 901 | ||||
| 902 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 902, __PRETTY_FUNCTION__); } while (0); | |||
| 903 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 903, __PRETTY_FUNCTION__); } while (0); | |||
| 904 | assert(n)do { if ((__builtin_expect(!!(!(n)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n"), "../src/libsystemd/sd-bus/bus-objects.c" , 904, __PRETTY_FUNCTION__); } while (0); | |||
| 905 | assert(found_object)do { if ((__builtin_expect(!!(!(found_object)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("found_object"), "../src/libsystemd/sd-bus/bus-objects.c" , 905, __PRETTY_FUNCTION__); } while (0); | |||
| 906 | ||||
| 907 | r = get_child_nodes(bus, m->path, n, 0, &s, &error); | |||
| 908 | if (r < 0) | |||
| 909 | return bus_maybe_reply_error(m, r, &error); | |||
| 910 | if (bus->nodes_modified) | |||
| 911 | return 0; | |||
| 912 | ||||
| 913 | r = introspect_begin(&intro, bus->trusted); | |||
| 914 | if (r < 0) | |||
| 915 | return r; | |||
| 916 | ||||
| 917 | r = introspect_write_default_interfaces(&intro, !require_fallback && n->object_managers); | |||
| 918 | if (r < 0) | |||
| 919 | return r; | |||
| 920 | ||||
| 921 | empty = set_isempty(s); | |||
| 922 | ||||
| 923 | LIST_FOREACH(vtables, c, n->vtables)for ((c) = (n->vtables); (c); (c) = (c)->vtables_next) { | |||
| 924 | if (require_fallback && !c->is_fallback) | |||
| 925 | continue; | |||
| 926 | ||||
| 927 | r = node_vtable_get_userdata(bus, m->path, c, NULL((void*)0), &error); | |||
| 928 | if (r < 0) { | |||
| 929 | r = bus_maybe_reply_error(m, r, &error); | |||
| 930 | goto finish; | |||
| 931 | } | |||
| 932 | if (bus->nodes_modified) { | |||
| 933 | r = 0; | |||
| 934 | goto finish; | |||
| 935 | } | |||
| 936 | if (r == 0) | |||
| 937 | continue; | |||
| 938 | ||||
| 939 | empty = false0; | |||
| 940 | ||||
| 941 | if (c->vtable[0].flags & SD_BUS_VTABLE_HIDDEN) | |||
| 942 | continue; | |||
| 943 | ||||
| 944 | if (!streq_ptr(previous_interface, c->interface)) { | |||
| 945 | ||||
| 946 | if (previous_interface) | |||
| 947 | fputs(" </interface>\n", intro.f); | |||
| 948 | ||||
| 949 | fprintf(intro.f, " <interface name=\"%s\">\n", c->interface); | |||
| 950 | } | |||
| 951 | ||||
| 952 | r = introspect_write_interface(&intro, c->vtable); | |||
| 953 | if (r < 0) | |||
| 954 | goto finish; | |||
| 955 | ||||
| 956 | previous_interface = c->interface; | |||
| 957 | } | |||
| 958 | ||||
| 959 | if (previous_interface) | |||
| 960 | fputs(" </interface>\n", intro.f); | |||
| 961 | ||||
| 962 | if (empty) { | |||
| 963 | /* Nothing?, let's see if we exist at all, and if not | |||
| 964 | * refuse to do anything */ | |||
| 965 | r = bus_node_exists(bus, n, m->path, require_fallback); | |||
| 966 | if (r <= 0) { | |||
| 967 | r = bus_maybe_reply_error(m, r, &error); | |||
| 968 | goto finish; | |||
| 969 | } | |||
| 970 | if (bus->nodes_modified) { | |||
| 971 | r = 0; | |||
| 972 | goto finish; | |||
| 973 | } | |||
| 974 | } | |||
| 975 | ||||
| 976 | *found_object = true1; | |||
| 977 | ||||
| 978 | r = introspect_write_child_nodes(&intro, s, m->path); | |||
| 979 | if (r < 0) | |||
| 980 | goto finish; | |||
| 981 | ||||
| 982 | r = introspect_finish(&intro, bus, m, &reply); | |||
| 983 | if (r < 0) | |||
| 984 | goto finish; | |||
| 985 | ||||
| 986 | r = sd_bus_send(bus, reply, NULL((void*)0)); | |||
| 987 | if (r < 0) | |||
| 988 | goto finish; | |||
| 989 | ||||
| 990 | r = 1; | |||
| 991 | ||||
| 992 | finish: | |||
| 993 | introspect_free(&intro); | |||
| 994 | return r; | |||
| 995 | } | |||
| 996 | ||||
| 997 | static int object_manager_serialize_path( | |||
| 998 | sd_bus *bus, | |||
| 999 | sd_bus_message *reply, | |||
| 1000 | const char *prefix, | |||
| 1001 | const char *path, | |||
| 1002 | bool_Bool require_fallback, | |||
| 1003 | sd_bus_error *error) { | |||
| 1004 | ||||
| 1005 | const char *previous_interface = NULL((void*)0); | |||
| 1006 | bool_Bool found_something = false0; | |||
| 1007 | struct node_vtable *i; | |||
| 1008 | struct node *n; | |||
| 1009 | int r; | |||
| 1010 | ||||
| 1011 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1011, __PRETTY_FUNCTION__); } while (0); | |||
| 1012 | assert(reply)do { if ((__builtin_expect(!!(!(reply)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("reply"), "../src/libsystemd/sd-bus/bus-objects.c" , 1012, __PRETTY_FUNCTION__); } while (0); | |||
| 1013 | assert(prefix)do { if ((__builtin_expect(!!(!(prefix)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("prefix"), "../src/libsystemd/sd-bus/bus-objects.c" , 1013, __PRETTY_FUNCTION__); } while (0); | |||
| 1014 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 1014, __PRETTY_FUNCTION__); } while (0); | |||
| 1015 | assert(error)do { if ((__builtin_expect(!!(!(error)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("error"), "../src/libsystemd/sd-bus/bus-objects.c" , 1015, __PRETTY_FUNCTION__); } while (0); | |||
| 1016 | ||||
| 1017 | n = hashmap_get(bus->nodes, prefix); | |||
| 1018 | if (!n) | |||
| 1019 | return 0; | |||
| 1020 | ||||
| 1021 | LIST_FOREACH(vtables, i, n->vtables)for ((i) = (n->vtables); (i); (i) = (i)->vtables_next) { | |||
| 1022 | void *u; | |||
| 1023 | ||||
| 1024 | if (require_fallback && !i->is_fallback) | |||
| 1025 | continue; | |||
| 1026 | ||||
| 1027 | r = node_vtable_get_userdata(bus, path, i, &u, error); | |||
| 1028 | if (r < 0) | |||
| 1029 | return r; | |||
| 1030 | if (bus->nodes_modified) | |||
| 1031 | return 0; | |||
| 1032 | if (r == 0) | |||
| 1033 | continue; | |||
| 1034 | ||||
| 1035 | if (!found_something) { | |||
| 1036 | ||||
| 1037 | /* Open the object part */ | |||
| 1038 | ||||
| 1039 | r = sd_bus_message_open_container(reply, 'e', "oa{sa{sv}}"); | |||
| 1040 | if (r < 0) | |||
| 1041 | return r; | |||
| 1042 | ||||
| 1043 | r = sd_bus_message_append(reply, "o", path); | |||
| 1044 | if (r < 0) | |||
| 1045 | return r; | |||
| 1046 | ||||
| 1047 | r = sd_bus_message_open_container(reply, 'a', "{sa{sv}}"); | |||
| 1048 | if (r < 0) | |||
| 1049 | return r; | |||
| 1050 | ||||
| 1051 | r = sd_bus_message_append(reply, "{sa{sv}}", "org.freedesktop.DBus.Peer", 0); | |||
| 1052 | if (r < 0) | |||
| 1053 | return r; | |||
| 1054 | ||||
| 1055 | r = sd_bus_message_append(reply, "{sa{sv}}", "org.freedesktop.DBus.Introspectable", 0); | |||
| 1056 | if (r < 0) | |||
| 1057 | return r; | |||
| 1058 | ||||
| 1059 | r = sd_bus_message_append(reply, "{sa{sv}}", "org.freedesktop.DBus.Properties", 0); | |||
| 1060 | if (r < 0) | |||
| 1061 | return r; | |||
| 1062 | ||||
| 1063 | r = sd_bus_message_append(reply, "{sa{sv}}", "org.freedesktop.DBus.ObjectManager", 0); | |||
| 1064 | if (r < 0) | |||
| 1065 | return r; | |||
| 1066 | ||||
| 1067 | found_something = true1; | |||
| 1068 | } | |||
| 1069 | ||||
| 1070 | if (!streq_ptr(previous_interface, i->interface)) { | |||
| 1071 | ||||
| 1072 | /* Maybe close the previous interface part */ | |||
| 1073 | ||||
| 1074 | if (previous_interface) { | |||
| 1075 | r = sd_bus_message_close_container(reply); | |||
| 1076 | if (r < 0) | |||
| 1077 | return r; | |||
| 1078 | ||||
| 1079 | r = sd_bus_message_close_container(reply); | |||
| 1080 | if (r < 0) | |||
| 1081 | return r; | |||
| 1082 | } | |||
| 1083 | ||||
| 1084 | /* Open the new interface part */ | |||
| 1085 | ||||
| 1086 | r = sd_bus_message_open_container(reply, 'e', "sa{sv}"); | |||
| 1087 | if (r < 0) | |||
| 1088 | return r; | |||
| 1089 | ||||
| 1090 | r = sd_bus_message_append(reply, "s", i->interface); | |||
| 1091 | if (r < 0) | |||
| 1092 | return r; | |||
| 1093 | ||||
| 1094 | r = sd_bus_message_open_container(reply, 'a', "{sv}"); | |||
| 1095 | if (r < 0) | |||
| 1096 | return r; | |||
| 1097 | } | |||
| 1098 | ||||
| 1099 | r = vtable_append_all_properties(bus, reply, path, i, u, error); | |||
| 1100 | if (r < 0) | |||
| 1101 | return r; | |||
| 1102 | if (bus->nodes_modified) | |||
| 1103 | return 0; | |||
| 1104 | ||||
| 1105 | previous_interface = i->interface; | |||
| 1106 | } | |||
| 1107 | ||||
| 1108 | if (previous_interface) { | |||
| 1109 | r = sd_bus_message_close_container(reply); | |||
| 1110 | if (r < 0) | |||
| 1111 | return r; | |||
| 1112 | ||||
| 1113 | r = sd_bus_message_close_container(reply); | |||
| 1114 | if (r < 0) | |||
| 1115 | return r; | |||
| 1116 | } | |||
| 1117 | ||||
| 1118 | if (found_something) { | |||
| 1119 | r = sd_bus_message_close_container(reply); | |||
| 1120 | if (r < 0) | |||
| 1121 | return r; | |||
| 1122 | ||||
| 1123 | r = sd_bus_message_close_container(reply); | |||
| 1124 | if (r < 0) | |||
| 1125 | return r; | |||
| 1126 | } | |||
| 1127 | ||||
| 1128 | return 1; | |||
| 1129 | } | |||
| 1130 | ||||
| 1131 | static int object_manager_serialize_path_and_fallbacks( | |||
| 1132 | sd_bus *bus, | |||
| 1133 | sd_bus_message *reply, | |||
| 1134 | const char *path, | |||
| 1135 | sd_bus_error *error) { | |||
| 1136 | ||||
| 1137 | _cleanup_free___attribute__((cleanup(freep))) char *prefix = NULL((void*)0); | |||
| 1138 | size_t pl; | |||
| 1139 | int r; | |||
| 1140 | ||||
| 1141 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1141, __PRETTY_FUNCTION__); } while (0); | |||
| 1142 | assert(reply)do { if ((__builtin_expect(!!(!(reply)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("reply"), "../src/libsystemd/sd-bus/bus-objects.c" , 1142, __PRETTY_FUNCTION__); } while (0); | |||
| 1143 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 1143, __PRETTY_FUNCTION__); } while (0); | |||
| 1144 | assert(error)do { if ((__builtin_expect(!!(!(error)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("error"), "../src/libsystemd/sd-bus/bus-objects.c" , 1144, __PRETTY_FUNCTION__); } while (0); | |||
| 1145 | ||||
| 1146 | /* First, add all vtables registered for this path */ | |||
| 1147 | r = object_manager_serialize_path(bus, reply, path, path, false0, error); | |||
| 1148 | if (r < 0) | |||
| 1149 | return r; | |||
| 1150 | if (bus->nodes_modified) | |||
| 1151 | return 0; | |||
| 1152 | ||||
| 1153 | /* Second, add fallback vtables registered for any of the prefixes */ | |||
| 1154 | pl = strlen(path); | |||
| 1155 | assert(pl <= BUS_PATH_SIZE_MAX)do { if ((__builtin_expect(!!(!(pl <= (64*1024))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("pl <= BUS_PATH_SIZE_MAX"), "../src/libsystemd/sd-bus/bus-objects.c" , 1155, __PRETTY_FUNCTION__); } while (0); | |||
| 1156 | prefix = new(char, pl + 1)((char*) malloc_multiply(sizeof(char), (pl + 1))); | |||
| 1157 | if (!prefix) | |||
| 1158 | return -ENOMEM12; | |||
| 1159 | ||||
| 1160 | OBJECT_PATH_FOREACH_PREFIX(prefix, path)for (char *_slash = ({ strcpy((prefix), (path)); (strcmp(((prefix )),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/'); }) ; _slash && !(_slash[(_slash) == (prefix)] = 0); _slash = (strcmp (((prefix)),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/' )) { | |||
| 1161 | r = object_manager_serialize_path(bus, reply, prefix, path, true1, error); | |||
| 1162 | if (r < 0) | |||
| 1163 | return r; | |||
| 1164 | if (bus->nodes_modified) | |||
| 1165 | return 0; | |||
| 1166 | } | |||
| 1167 | ||||
| 1168 | return 0; | |||
| 1169 | } | |||
| 1170 | ||||
| 1171 | static int process_get_managed_objects( | |||
| 1172 | sd_bus *bus, | |||
| 1173 | sd_bus_message *m, | |||
| 1174 | struct node *n, | |||
| 1175 | bool_Bool require_fallback, | |||
| 1176 | bool_Bool *found_object) { | |||
| 1177 | ||||
| 1178 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 1179 | _cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message *reply = NULL((void*)0); | |||
| 1180 | _cleanup_set_free_free___attribute__((cleanup(set_free_freep))) Set *s = NULL((void*)0); | |||
| 1181 | Iterator i; | |||
| 1182 | char *path; | |||
| 1183 | int r; | |||
| 1184 | ||||
| 1185 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1185, __PRETTY_FUNCTION__); } while (0); | |||
| 1186 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 1186, __PRETTY_FUNCTION__); } while (0); | |||
| 1187 | assert(n)do { if ((__builtin_expect(!!(!(n)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n"), "../src/libsystemd/sd-bus/bus-objects.c" , 1187, __PRETTY_FUNCTION__); } while (0); | |||
| 1188 | assert(found_object)do { if ((__builtin_expect(!!(!(found_object)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("found_object"), "../src/libsystemd/sd-bus/bus-objects.c" , 1188, __PRETTY_FUNCTION__); } while (0); | |||
| 1189 | ||||
| 1190 | /* Spec says, GetManagedObjects() is only implemented on the root of a | |||
| 1191 | * sub-tree. Therefore, we require a registered object-manager on | |||
| 1192 | * exactly the queried path, otherwise, we refuse to respond. */ | |||
| 1193 | ||||
| 1194 | if (require_fallback || !n->object_managers) | |||
| 1195 | return 0; | |||
| 1196 | ||||
| 1197 | r = get_child_nodes(bus, m->path, n, CHILDREN_RECURSIVE, &s, &error); | |||
| 1198 | if (r < 0) | |||
| 1199 | return bus_maybe_reply_error(m, r, &error); | |||
| 1200 | if (bus->nodes_modified) | |||
| 1201 | return 0; | |||
| 1202 | ||||
| 1203 | r = sd_bus_message_new_method_return(m, &reply); | |||
| 1204 | if (r < 0) | |||
| 1205 | return r; | |||
| 1206 | ||||
| 1207 | r = sd_bus_message_open_container(reply, 'a', "{oa{sa{sv}}}"); | |||
| 1208 | if (r < 0) | |||
| 1209 | return r; | |||
| 1210 | ||||
| 1211 | SET_FOREACH(path, s, i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); set_iterate((s), &(i), (void**) &(path)); ) { | |||
| 1212 | r = object_manager_serialize_path_and_fallbacks(bus, reply, path, &error); | |||
| 1213 | if (r < 0) | |||
| 1214 | return bus_maybe_reply_error(m, r, &error); | |||
| 1215 | ||||
| 1216 | if (bus->nodes_modified) | |||
| 1217 | return 0; | |||
| 1218 | } | |||
| 1219 | ||||
| 1220 | r = sd_bus_message_close_container(reply); | |||
| 1221 | if (r < 0) | |||
| 1222 | return r; | |||
| 1223 | ||||
| 1224 | r = sd_bus_send(bus, reply, NULL((void*)0)); | |||
| 1225 | if (r < 0) | |||
| 1226 | return r; | |||
| 1227 | ||||
| 1228 | return 1; | |||
| 1229 | } | |||
| 1230 | ||||
| 1231 | static int object_find_and_run( | |||
| 1232 | sd_bus *bus, | |||
| 1233 | sd_bus_message *m, | |||
| 1234 | const char *p, | |||
| 1235 | bool_Bool require_fallback, | |||
| 1236 | bool_Bool *found_object) { | |||
| 1237 | ||||
| 1238 | struct node *n; | |||
| 1239 | struct vtable_member vtable_key, *v; | |||
| 1240 | int r; | |||
| 1241 | ||||
| 1242 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1242, __PRETTY_FUNCTION__); } while (0); | |||
| 1243 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 1243, __PRETTY_FUNCTION__); } while (0); | |||
| 1244 | assert(p)do { if ((__builtin_expect(!!(!(p)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p"), "../src/libsystemd/sd-bus/bus-objects.c" , 1244, __PRETTY_FUNCTION__); } while (0); | |||
| 1245 | assert(found_object)do { if ((__builtin_expect(!!(!(found_object)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("found_object"), "../src/libsystemd/sd-bus/bus-objects.c" , 1245, __PRETTY_FUNCTION__); } while (0); | |||
| 1246 | ||||
| 1247 | n = hashmap_get(bus->nodes, p); | |||
| 1248 | if (!n) | |||
| 1249 | return 0; | |||
| 1250 | ||||
| 1251 | /* First, try object callbacks */ | |||
| 1252 | r = node_callbacks_run(bus, m, n->callbacks, require_fallback, found_object); | |||
| 1253 | if (r != 0) | |||
| 1254 | return r; | |||
| 1255 | if (bus->nodes_modified) | |||
| 1256 | return 0; | |||
| 1257 | ||||
| 1258 | if (!m->interface || !m->member) | |||
| 1259 | return 0; | |||
| 1260 | ||||
| 1261 | /* Then, look for a known method */ | |||
| 1262 | vtable_key.path = (char*) p; | |||
| 1263 | vtable_key.interface = m->interface; | |||
| 1264 | vtable_key.member = m->member; | |||
| 1265 | ||||
| 1266 | v = hashmap_get(bus->vtable_methods, &vtable_key); | |||
| 1267 | if (v) { | |||
| 1268 | r = method_callbacks_run(bus, m, v, require_fallback, found_object); | |||
| 1269 | if (r != 0) | |||
| 1270 | return r; | |||
| 1271 | if (bus->nodes_modified) | |||
| 1272 | return 0; | |||
| 1273 | } | |||
| 1274 | ||||
| 1275 | /* Then, look for a known property */ | |||
| 1276 | if (streq(m->interface, "org.freedesktop.DBus.Properties")(strcmp((m->interface),("org.freedesktop.DBus.Properties") ) == 0)) { | |||
| 1277 | bool_Bool get = false0; | |||
| 1278 | ||||
| 1279 | get = streq(m->member, "Get")(strcmp((m->member),("Get")) == 0); | |||
| 1280 | ||||
| 1281 | if (get || streq(m->member, "Set")(strcmp((m->member),("Set")) == 0)) { | |||
| 1282 | ||||
| 1283 | r = sd_bus_message_rewind(m, true1); | |||
| 1284 | if (r < 0) | |||
| 1285 | return r; | |||
| 1286 | ||||
| 1287 | vtable_key.path = (char*) p; | |||
| 1288 | ||||
| 1289 | r = sd_bus_message_read(m, "ss", &vtable_key.interface, &vtable_key.member); | |||
| 1290 | if (r < 0) | |||
| 1291 | return sd_bus_reply_method_errorf(m, SD_BUS_ERROR_INVALID_ARGS"org.freedesktop.DBus.Error.InvalidArgs", "Expected interface and member parameters"); | |||
| 1292 | ||||
| 1293 | v = hashmap_get(bus->vtable_properties, &vtable_key); | |||
| 1294 | if (v) { | |||
| 1295 | r = property_get_set_callbacks_run(bus, m, v, require_fallback, get, found_object); | |||
| 1296 | if (r != 0) | |||
| 1297 | return r; | |||
| 1298 | } | |||
| 1299 | ||||
| 1300 | } else if (streq(m->member, "GetAll")(strcmp((m->member),("GetAll")) == 0)) { | |||
| 1301 | const char *iface; | |||
| 1302 | ||||
| 1303 | r = sd_bus_message_rewind(m, true1); | |||
| 1304 | if (r < 0) | |||
| 1305 | return r; | |||
| 1306 | ||||
| 1307 | r = sd_bus_message_read(m, "s", &iface); | |||
| 1308 | if (r < 0) | |||
| 1309 | return sd_bus_reply_method_errorf(m, SD_BUS_ERROR_INVALID_ARGS"org.freedesktop.DBus.Error.InvalidArgs", "Expected interface parameter"); | |||
| 1310 | ||||
| 1311 | if (iface[0] == 0) | |||
| 1312 | iface = NULL((void*)0); | |||
| 1313 | ||||
| 1314 | r = property_get_all_callbacks_run(bus, m, n->vtables, require_fallback, iface, found_object); | |||
| 1315 | if (r != 0) | |||
| 1316 | return r; | |||
| 1317 | } | |||
| 1318 | ||||
| 1319 | } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus.Introspectable", "Introspect")) { | |||
| 1320 | ||||
| 1321 | if (!isempty(sd_bus_message_get_signature(m, true1))) | |||
| 1322 | return sd_bus_reply_method_errorf(m, SD_BUS_ERROR_INVALID_ARGS"org.freedesktop.DBus.Error.InvalidArgs", "Expected no parameters"); | |||
| 1323 | ||||
| 1324 | r = process_introspect(bus, m, n, require_fallback, found_object); | |||
| 1325 | if (r != 0) | |||
| 1326 | return r; | |||
| 1327 | ||||
| 1328 | } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus.ObjectManager", "GetManagedObjects")) { | |||
| 1329 | ||||
| 1330 | if (!isempty(sd_bus_message_get_signature(m, true1))) | |||
| 1331 | return sd_bus_reply_method_errorf(m, SD_BUS_ERROR_INVALID_ARGS"org.freedesktop.DBus.Error.InvalidArgs", "Expected no parameters"); | |||
| 1332 | ||||
| 1333 | r = process_get_managed_objects(bus, m, n, require_fallback, found_object); | |||
| 1334 | if (r != 0) | |||
| 1335 | return r; | |||
| 1336 | } | |||
| 1337 | ||||
| 1338 | if (bus->nodes_modified) | |||
| 1339 | return 0; | |||
| 1340 | ||||
| 1341 | if (!*found_object) { | |||
| 1342 | r = bus_node_exists(bus, n, m->path, require_fallback); | |||
| 1343 | if (r < 0) | |||
| 1344 | return bus_maybe_reply_error(m, r, NULL((void*)0)); | |||
| 1345 | if (bus->nodes_modified) | |||
| 1346 | return 0; | |||
| 1347 | if (r > 0) | |||
| 1348 | *found_object = true1; | |||
| 1349 | } | |||
| 1350 | ||||
| 1351 | return 0; | |||
| 1352 | } | |||
| 1353 | ||||
| 1354 | int bus_process_object(sd_bus *bus, sd_bus_message *m) { | |||
| 1355 | _cleanup_free___attribute__((cleanup(freep))) char *prefix = NULL((void*)0); | |||
| 1356 | int r; | |||
| 1357 | size_t pl; | |||
| 1358 | bool_Bool found_object = false0; | |||
| 1359 | ||||
| 1360 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1360, __PRETTY_FUNCTION__); } while (0); | |||
| ||||
| 1361 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 1361, __PRETTY_FUNCTION__); } while (0); | |||
| 1362 | ||||
| 1363 | if (bus->is_monitor) | |||
| 1364 | return 0; | |||
| 1365 | ||||
| 1366 | if (m->header->type != SD_BUS_MESSAGE_METHOD_CALL) | |||
| 1367 | return 0; | |||
| 1368 | ||||
| 1369 | if (hashmap_isempty(bus->nodes)) | |||
| 1370 | return 0; | |||
| 1371 | ||||
| 1372 | /* Never respond to broadcast messages */ | |||
| 1373 | if (bus->bus_client && !m->destination) | |||
| 1374 | return 0; | |||
| 1375 | ||||
| 1376 | assert(m->path)do { if ((__builtin_expect(!!(!(m->path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m->path"), "../src/libsystemd/sd-bus/bus-objects.c" , 1376, __PRETTY_FUNCTION__); } while (0); | |||
| 1377 | assert(m->member)do { if ((__builtin_expect(!!(!(m->member)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m->member"), "../src/libsystemd/sd-bus/bus-objects.c" , 1377, __PRETTY_FUNCTION__); } while (0); | |||
| 1378 | ||||
| 1379 | pl = strlen(m->path); | |||
| 1380 | assert(pl <= BUS_PATH_SIZE_MAX)do { if ((__builtin_expect(!!(!(pl <= (64*1024))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("pl <= BUS_PATH_SIZE_MAX"), "../src/libsystemd/sd-bus/bus-objects.c" , 1380, __PRETTY_FUNCTION__); } while (0); | |||
| 1381 | prefix = new(char, pl + 1)((char*) malloc_multiply(sizeof(char), (pl + 1))); | |||
| 1382 | if (!prefix) | |||
| 1383 | return -ENOMEM12; | |||
| 1384 | ||||
| 1385 | do { | |||
| 1386 | bus->nodes_modified = false0; | |||
| 1387 | ||||
| 1388 | r = object_find_and_run(bus, m, m->path, false0, &found_object); | |||
| 1389 | if (r != 0) | |||
| 1390 | return r; | |||
| ||||
| 1391 | ||||
| 1392 | /* Look for fallback prefixes */ | |||
| 1393 | OBJECT_PATH_FOREACH_PREFIX(prefix, m->path)for (char *_slash = ({ strcpy((prefix), (m->path)); (strcmp (((prefix)),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/' ); }) ; _slash && !(_slash[(_slash) == (prefix)] = 0) ; _slash = (strcmp(((prefix)),("/")) == 0) ? ((void*)0) : strrchr ((prefix), '/')) { | |||
| 1394 | ||||
| 1395 | if (bus->nodes_modified) | |||
| 1396 | break; | |||
| 1397 | ||||
| 1398 | r = object_find_and_run(bus, m, prefix, true1, &found_object); | |||
| 1399 | if (r != 0) | |||
| 1400 | return r; | |||
| 1401 | } | |||
| 1402 | ||||
| 1403 | } while (bus->nodes_modified); | |||
| 1404 | ||||
| 1405 | if (!found_object) | |||
| 1406 | return 0; | |||
| 1407 | ||||
| 1408 | if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus.Properties", "Get") || | |||
| 1409 | sd_bus_message_is_method_call(m, "org.freedesktop.DBus.Properties", "Set")) | |||
| 1410 | r = sd_bus_reply_method_errorf( | |||
| 1411 | m, | |||
| 1412 | SD_BUS_ERROR_UNKNOWN_PROPERTY"org.freedesktop.DBus.Error.UnknownProperty", | |||
| 1413 | "Unknown property or interface."); | |||
| 1414 | else | |||
| 1415 | r = sd_bus_reply_method_errorf( | |||
| 1416 | m, | |||
| 1417 | SD_BUS_ERROR_UNKNOWN_METHOD"org.freedesktop.DBus.Error.UnknownMethod", | |||
| 1418 | "Unknown method '%s' or interface '%s'.", m->member, m->interface); | |||
| 1419 | ||||
| 1420 | if (r < 0) | |||
| 1421 | return r; | |||
| 1422 | ||||
| 1423 | return 1; | |||
| 1424 | } | |||
| 1425 | ||||
| 1426 | static struct node *bus_node_allocate(sd_bus *bus, const char *path) { | |||
| 1427 | struct node *n, *parent; | |||
| 1428 | const char *e; | |||
| 1429 | _cleanup_free___attribute__((cleanup(freep))) char *s = NULL((void*)0); | |||
| 1430 | char *p; | |||
| 1431 | int r; | |||
| 1432 | ||||
| 1433 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1433, __PRETTY_FUNCTION__); } while (0); | |||
| 1434 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 1434, __PRETTY_FUNCTION__); } while (0); | |||
| 1435 | assert(path[0] == '/')do { if ((__builtin_expect(!!(!(path[0] == '/')),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path[0] == '/'"), "../src/libsystemd/sd-bus/bus-objects.c" , 1435, __PRETTY_FUNCTION__); } while (0); | |||
| 1436 | ||||
| 1437 | n = hashmap_get(bus->nodes, path); | |||
| 1438 | if (n) | |||
| 1439 | return n; | |||
| 1440 | ||||
| 1441 | r = hashmap_ensure_allocated(&bus->nodes, &string_hash_ops)internal_hashmap_ensure_allocated(&bus->nodes, &string_hash_ops ); | |||
| 1442 | if (r < 0) | |||
| 1443 | return NULL((void*)0); | |||
| 1444 | ||||
| 1445 | s = strdup(path); | |||
| 1446 | if (!s) | |||
| 1447 | return NULL((void*)0); | |||
| 1448 | ||||
| 1449 | if (streq(path, "/")(strcmp((path),("/")) == 0)) | |||
| 1450 | parent = NULL((void*)0); | |||
| 1451 | else { | |||
| 1452 | e = strrchr(path, '/'); | |||
| 1453 | assert(e)do { if ((__builtin_expect(!!(!(e)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("e"), "../src/libsystemd/sd-bus/bus-objects.c" , 1453, __PRETTY_FUNCTION__); } while (0); | |||
| 1454 | ||||
| 1455 | p = strndupa(path, MAX(1, e - path))(__extension__ ({ const char *__old = (path); size_t __len = strnlen (__old, (__extension__ ({ const typeof((1)) __unique_prefix_A29 = ((1)); const typeof((e - path)) __unique_prefix_B30 = ((e - path)); __unique_prefix_A29 > __unique_prefix_B30 ? __unique_prefix_A29 : __unique_prefix_B30; }))); char *__new = (char *) __builtin_alloca (__len + 1); __new[__len] = '\0'; (char *) memcpy (__new, __old , __len); })); | |||
| 1456 | ||||
| 1457 | parent = bus_node_allocate(bus, p); | |||
| 1458 | if (!parent) | |||
| 1459 | return NULL((void*)0); | |||
| 1460 | } | |||
| 1461 | ||||
| 1462 | n = new0(struct node, 1)((struct node*) calloc((1), sizeof(struct node))); | |||
| 1463 | if (!n) | |||
| 1464 | return NULL((void*)0); | |||
| 1465 | ||||
| 1466 | n->parent = parent; | |||
| 1467 | n->path = TAKE_PTR(s)({ typeof(s) _ptr_ = (s); (s) = ((void*)0); _ptr_; }); | |||
| 1468 | ||||
| 1469 | r = hashmap_put(bus->nodes, n->path, n); | |||
| 1470 | if (r < 0) { | |||
| 1471 | free(n->path); | |||
| 1472 | return mfree(n); | |||
| 1473 | } | |||
| 1474 | ||||
| 1475 | if (parent) | |||
| 1476 | LIST_PREPEND(siblings, parent->child, n)do { typeof(*(parent->child)) **_head = &(parent->child ), *_item = (n); do { if ((__builtin_expect(!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/libsystemd/sd-bus/bus-objects.c" , 1476, __PRETTY_FUNCTION__); } while (0); if ((_item->siblings_next = *_head)) _item->siblings_next->siblings_prev = _item ; _item->siblings_prev = ((void*)0); *_head = _item; } while (0); | |||
| 1477 | ||||
| 1478 | return n; | |||
| 1479 | } | |||
| 1480 | ||||
| 1481 | void bus_node_gc(sd_bus *b, struct node *n) { | |||
| 1482 | assert(b)do { if ((__builtin_expect(!!(!(b)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("b"), "../src/libsystemd/sd-bus/bus-objects.c" , 1482, __PRETTY_FUNCTION__); } while (0); | |||
| 1483 | ||||
| 1484 | if (!n) | |||
| 1485 | return; | |||
| 1486 | ||||
| 1487 | if (n->child || | |||
| 1488 | n->callbacks || | |||
| 1489 | n->vtables || | |||
| 1490 | n->enumerators || | |||
| 1491 | n->object_managers) | |||
| 1492 | return; | |||
| 1493 | ||||
| 1494 | assert_se(hashmap_remove(b->nodes, n->path) == n)do { if ((__builtin_expect(!!(!(hashmap_remove(b->nodes, n ->path) == n)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("hashmap_remove(b->nodes, n->path) == n"), "../src/libsystemd/sd-bus/bus-objects.c" , 1494, __PRETTY_FUNCTION__); } while (0); | |||
| 1495 | ||||
| 1496 | if (n->parent) | |||
| 1497 | LIST_REMOVE(siblings, n->parent->child, n)do { typeof(*(n->parent->child)) **_head = &(n-> parent->child), *_item = (n); do { if ((__builtin_expect(! !(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ( "_item"), "../src/libsystemd/sd-bus/bus-objects.c", 1497, __PRETTY_FUNCTION__ ); } while (0); if (_item->siblings_next) _item->siblings_next ->siblings_prev = _item->siblings_prev; if (_item->siblings_prev ) _item->siblings_prev->siblings_next = _item->siblings_next ; else { do { if ((__builtin_expect(!!(!(*_head == _item)),0) )) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("*_head == _item" ), "../src/libsystemd/sd-bus/bus-objects.c", 1497, __PRETTY_FUNCTION__ ); } while (0); *_head = _item->siblings_next; } _item-> siblings_next = _item->siblings_prev = ((void*)0); } while (0); | |||
| 1498 | ||||
| 1499 | free(n->path); | |||
| 1500 | bus_node_gc(b, n->parent); | |||
| 1501 | free(n); | |||
| 1502 | } | |||
| 1503 | ||||
| 1504 | static int bus_find_parent_object_manager(sd_bus *bus, struct node **out, const char *path) { | |||
| 1505 | struct node *n; | |||
| 1506 | ||||
| 1507 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1507, __PRETTY_FUNCTION__); } while (0); | |||
| 1508 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 1508, __PRETTY_FUNCTION__); } while (0); | |||
| 1509 | ||||
| 1510 | n = hashmap_get(bus->nodes, path); | |||
| 1511 | if (!n) { | |||
| 1512 | _cleanup_free___attribute__((cleanup(freep))) char *prefix = NULL((void*)0); | |||
| 1513 | size_t pl; | |||
| 1514 | ||||
| 1515 | pl = strlen(path); | |||
| 1516 | assert(pl <= BUS_PATH_SIZE_MAX)do { if ((__builtin_expect(!!(!(pl <= (64*1024))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("pl <= BUS_PATH_SIZE_MAX"), "../src/libsystemd/sd-bus/bus-objects.c" , 1516, __PRETTY_FUNCTION__); } while (0); | |||
| 1517 | prefix = new(char, pl + 1)((char*) malloc_multiply(sizeof(char), (pl + 1))); | |||
| 1518 | if (!prefix) | |||
| 1519 | return -ENOMEM12; | |||
| 1520 | ||||
| 1521 | OBJECT_PATH_FOREACH_PREFIX(prefix, path)for (char *_slash = ({ strcpy((prefix), (path)); (strcmp(((prefix )),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/'); }) ; _slash && !(_slash[(_slash) == (prefix)] = 0); _slash = (strcmp (((prefix)),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/' )) { | |||
| 1522 | n = hashmap_get(bus->nodes, prefix); | |||
| 1523 | if (n) | |||
| 1524 | break; | |||
| 1525 | } | |||
| 1526 | } | |||
| 1527 | ||||
| 1528 | while (n && !n->object_managers) | |||
| 1529 | n = n->parent; | |||
| 1530 | ||||
| 1531 | if (out) | |||
| 1532 | *out = n; | |||
| 1533 | return !!n; | |||
| 1534 | } | |||
| 1535 | ||||
| 1536 | static int bus_add_object( | |||
| 1537 | sd_bus *bus, | |||
| 1538 | sd_bus_slot **slot, | |||
| 1539 | bool_Bool fallback, | |||
| 1540 | const char *path, | |||
| 1541 | sd_bus_message_handler_t callback, | |||
| 1542 | void *userdata) { | |||
| 1543 | ||||
| 1544 | sd_bus_slot *s; | |||
| 1545 | struct node *n; | |||
| 1546 | int r; | |||
| 1547 | ||||
| 1548 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1548, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1549 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 1549, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 1550 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 1550, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1551 | assert_return(callback, -EINVAL)do { if (!(((__builtin_expect(!!(callback),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("callback"), "../src/libsystemd/sd-bus/bus-objects.c" , 1551, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1552 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 1552, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 1553 | ||||
| 1554 | n = bus_node_allocate(bus, path); | |||
| 1555 | if (!n) | |||
| 1556 | return -ENOMEM12; | |||
| 1557 | ||||
| 1558 | s = bus_slot_allocate(bus, !slot, BUS_NODE_CALLBACK, sizeof(struct node_callback), userdata); | |||
| 1559 | if (!s) { | |||
| 1560 | r = -ENOMEM12; | |||
| 1561 | goto fail; | |||
| 1562 | } | |||
| 1563 | ||||
| 1564 | s->node_callback.callback = callback; | |||
| 1565 | s->node_callback.is_fallback = fallback; | |||
| 1566 | ||||
| 1567 | s->node_callback.node = n; | |||
| 1568 | LIST_PREPEND(callbacks, n->callbacks, &s->node_callback)do { typeof(*(n->callbacks)) **_head = &(n->callbacks ), *_item = (&s->node_callback); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/libsystemd/sd-bus/bus-objects.c", 1568, __PRETTY_FUNCTION__ ); } while (0); if ((_item->callbacks_next = *_head)) _item ->callbacks_next->callbacks_prev = _item; _item->callbacks_prev = ((void*)0); *_head = _item; } while (0); | |||
| 1569 | bus->nodes_modified = true1; | |||
| 1570 | ||||
| 1571 | if (slot) | |||
| 1572 | *slot = s; | |||
| 1573 | ||||
| 1574 | return 0; | |||
| 1575 | ||||
| 1576 | fail: | |||
| 1577 | sd_bus_slot_unref(s); | |||
| 1578 | bus_node_gc(bus, n); | |||
| 1579 | ||||
| 1580 | return r; | |||
| 1581 | } | |||
| 1582 | ||||
| 1583 | _public___attribute__ ((visibility("default"))) int sd_bus_add_object( | |||
| 1584 | sd_bus *bus, | |||
| 1585 | sd_bus_slot **slot, | |||
| 1586 | const char *path, | |||
| 1587 | sd_bus_message_handler_t callback, | |||
| 1588 | void *userdata) { | |||
| 1589 | ||||
| 1590 | return bus_add_object(bus, slot, false0, path, callback, userdata); | |||
| 1591 | } | |||
| 1592 | ||||
| 1593 | _public___attribute__ ((visibility("default"))) int sd_bus_add_fallback( | |||
| 1594 | sd_bus *bus, | |||
| 1595 | sd_bus_slot **slot, | |||
| 1596 | const char *prefix, | |||
| 1597 | sd_bus_message_handler_t callback, | |||
| 1598 | void *userdata) { | |||
| 1599 | ||||
| 1600 | return bus_add_object(bus, slot, true1, prefix, callback, userdata); | |||
| 1601 | } | |||
| 1602 | ||||
| 1603 | static void vtable_member_hash_func(const void *a, struct siphash *state) { | |||
| 1604 | const struct vtable_member *m = a; | |||
| 1605 | ||||
| 1606 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 1606, __PRETTY_FUNCTION__); } while (0); | |||
| 1607 | ||||
| 1608 | string_hash_func(m->path, state); | |||
| 1609 | string_hash_func(m->interface, state); | |||
| 1610 | string_hash_func(m->member, state); | |||
| 1611 | } | |||
| 1612 | ||||
| 1613 | static int vtable_member_compare_func(const void *a, const void *b) { | |||
| 1614 | const struct vtable_member *x = a, *y = b; | |||
| 1615 | int r; | |||
| 1616 | ||||
| 1617 | assert(x)do { if ((__builtin_expect(!!(!(x)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("x"), "../src/libsystemd/sd-bus/bus-objects.c" , 1617, __PRETTY_FUNCTION__); } while (0); | |||
| 1618 | assert(y)do { if ((__builtin_expect(!!(!(y)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("y"), "../src/libsystemd/sd-bus/bus-objects.c" , 1618, __PRETTY_FUNCTION__); } while (0); | |||
| 1619 | ||||
| 1620 | r = strcmp(x->path, y->path); | |||
| 1621 | if (r != 0) | |||
| 1622 | return r; | |||
| 1623 | ||||
| 1624 | r = strcmp(x->interface, y->interface); | |||
| 1625 | if (r != 0) | |||
| 1626 | return r; | |||
| 1627 | ||||
| 1628 | return strcmp(x->member, y->member); | |||
| 1629 | } | |||
| 1630 | ||||
| 1631 | static const struct hash_ops vtable_member_hash_ops = { | |||
| 1632 | .hash = vtable_member_hash_func, | |||
| 1633 | .compare = vtable_member_compare_func | |||
| 1634 | }; | |||
| 1635 | ||||
| 1636 | static int add_object_vtable_internal( | |||
| 1637 | sd_bus *bus, | |||
| 1638 | sd_bus_slot **slot, | |||
| 1639 | const char *path, | |||
| 1640 | const char *interface, | |||
| 1641 | const sd_bus_vtable *vtable, | |||
| 1642 | bool_Bool fallback, | |||
| 1643 | sd_bus_object_find_t find, | |||
| 1644 | void *userdata) { | |||
| 1645 | ||||
| 1646 | sd_bus_slot *s = NULL((void*)0); | |||
| 1647 | struct node_vtable *i, *existing = NULL((void*)0); | |||
| 1648 | const sd_bus_vtable *v; | |||
| 1649 | struct node *n; | |||
| 1650 | int r; | |||
| 1651 | ||||
| 1652 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1652, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1653 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 1653, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 1654 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 1654, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1655 | assert_return(interface_name_is_valid(interface), -EINVAL)do { if (!(((__builtin_expect(!!(interface_name_is_valid(interface )),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("interface_name_is_valid(interface)"), "../src/libsystemd/sd-bus/bus-objects.c" , 1655, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1656 | assert_return(vtable, -EINVAL)do { if (!(((__builtin_expect(!!(vtable),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("vtable"), "../src/libsystemd/sd-bus/bus-objects.c" , 1656, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1657 | assert_return(vtable[0].type == _SD_BUS_VTABLE_START, -EINVAL)do { if (!(((__builtin_expect(!!(vtable[0].type == _SD_BUS_VTABLE_START ),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("vtable[0].type == _SD_BUS_VTABLE_START"), "../src/libsystemd/sd-bus/bus-objects.c" , 1657, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1658 | assert_return(vtable[0].x.start.element_size == sizeof(struct sd_bus_vtable), -EINVAL)do { if (!(((__builtin_expect(!!(vtable[0].x.start.element_size == sizeof(struct sd_bus_vtable)),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("vtable[0].x.start.element_size == sizeof(struct sd_bus_vtable)" ), "../src/libsystemd/sd-bus/bus-objects.c", 1658, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0); | |||
| 1659 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 1659, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 1660 | assert_return(!streq(interface, "org.freedesktop.DBus.Properties") &&do { if (!(((__builtin_expect(!!(!(strcmp((interface),("org.freedesktop.DBus.Properties" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.Introspectable" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.Peer" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.ObjectManager" )) == 0)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("!streq(interface, \"org.freedesktop.DBus.Properties\") && !streq(interface, \"org.freedesktop.DBus.Introspectable\") && !streq(interface, \"org.freedesktop.DBus.Peer\") && !streq(interface, \"org.freedesktop.DBus.ObjectManager\")" ), "../src/libsystemd/sd-bus/bus-objects.c", 1663, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0) | |||
| 1661 | !streq(interface, "org.freedesktop.DBus.Introspectable") &&do { if (!(((__builtin_expect(!!(!(strcmp((interface),("org.freedesktop.DBus.Properties" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.Introspectable" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.Peer" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.ObjectManager" )) == 0)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("!streq(interface, \"org.freedesktop.DBus.Properties\") && !streq(interface, \"org.freedesktop.DBus.Introspectable\") && !streq(interface, \"org.freedesktop.DBus.Peer\") && !streq(interface, \"org.freedesktop.DBus.ObjectManager\")" ), "../src/libsystemd/sd-bus/bus-objects.c", 1663, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0) | |||
| 1662 | !streq(interface, "org.freedesktop.DBus.Peer") &&do { if (!(((__builtin_expect(!!(!(strcmp((interface),("org.freedesktop.DBus.Properties" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.Introspectable" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.Peer" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.ObjectManager" )) == 0)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("!streq(interface, \"org.freedesktop.DBus.Properties\") && !streq(interface, \"org.freedesktop.DBus.Introspectable\") && !streq(interface, \"org.freedesktop.DBus.Peer\") && !streq(interface, \"org.freedesktop.DBus.ObjectManager\")" ), "../src/libsystemd/sd-bus/bus-objects.c", 1663, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0) | |||
| 1663 | !streq(interface, "org.freedesktop.DBus.ObjectManager"), -EINVAL)do { if (!(((__builtin_expect(!!(!(strcmp((interface),("org.freedesktop.DBus.Properties" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.Introspectable" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.Peer" )) == 0) && !(strcmp((interface),("org.freedesktop.DBus.ObjectManager" )) == 0)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("!streq(interface, \"org.freedesktop.DBus.Properties\") && !streq(interface, \"org.freedesktop.DBus.Introspectable\") && !streq(interface, \"org.freedesktop.DBus.Peer\") && !streq(interface, \"org.freedesktop.DBus.ObjectManager\")" ), "../src/libsystemd/sd-bus/bus-objects.c", 1663, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0); | |||
| 1664 | ||||
| 1665 | r = hashmap_ensure_allocated(&bus->vtable_methods, &vtable_member_hash_ops)internal_hashmap_ensure_allocated(&bus->vtable_methods , &vtable_member_hash_ops ); | |||
| 1666 | if (r < 0) | |||
| 1667 | return r; | |||
| 1668 | ||||
| 1669 | r = hashmap_ensure_allocated(&bus->vtable_properties, &vtable_member_hash_ops)internal_hashmap_ensure_allocated(&bus->vtable_properties , &vtable_member_hash_ops ); | |||
| 1670 | if (r < 0) | |||
| 1671 | return r; | |||
| 1672 | ||||
| 1673 | n = bus_node_allocate(bus, path); | |||
| 1674 | if (!n) | |||
| 1675 | return -ENOMEM12; | |||
| 1676 | ||||
| 1677 | LIST_FOREACH(vtables, i, n->vtables)for ((i) = (n->vtables); (i); (i) = (i)->vtables_next) { | |||
| 1678 | if (i->is_fallback != fallback) { | |||
| 1679 | r = -EPROTOTYPE91; | |||
| 1680 | goto fail; | |||
| 1681 | } | |||
| 1682 | ||||
| 1683 | if (streq(i->interface, interface)(strcmp((i->interface),(interface)) == 0)) { | |||
| 1684 | ||||
| 1685 | if (i->vtable == vtable) { | |||
| 1686 | r = -EEXIST17; | |||
| 1687 | goto fail; | |||
| 1688 | } | |||
| 1689 | ||||
| 1690 | existing = i; | |||
| 1691 | } | |||
| 1692 | } | |||
| 1693 | ||||
| 1694 | s = bus_slot_allocate(bus, !slot, BUS_NODE_VTABLE, sizeof(struct node_vtable), userdata); | |||
| 1695 | if (!s) { | |||
| 1696 | r = -ENOMEM12; | |||
| 1697 | goto fail; | |||
| 1698 | } | |||
| 1699 | ||||
| 1700 | s->node_vtable.is_fallback = fallback; | |||
| 1701 | s->node_vtable.vtable = vtable; | |||
| 1702 | s->node_vtable.find = find; | |||
| 1703 | ||||
| 1704 | s->node_vtable.interface = strdup(interface); | |||
| 1705 | if (!s->node_vtable.interface) { | |||
| 1706 | r = -ENOMEM12; | |||
| 1707 | goto fail; | |||
| 1708 | } | |||
| 1709 | ||||
| 1710 | for (v = s->node_vtable.vtable+1; v->type != _SD_BUS_VTABLE_END; v++) { | |||
| 1711 | ||||
| 1712 | switch (v->type) { | |||
| 1713 | ||||
| 1714 | case _SD_BUS_VTABLE_METHOD: { | |||
| 1715 | struct vtable_member *m; | |||
| 1716 | ||||
| 1717 | if (!member_name_is_valid(v->x.method.member) || | |||
| 1718 | !signature_is_valid(strempty(v->x.method.signature), false0) || | |||
| 1719 | !signature_is_valid(strempty(v->x.method.result), false0) || | |||
| 1720 | !(v->x.method.handler || (isempty(v->x.method.signature) && isempty(v->x.method.result))) || | |||
| 1721 | v->flags & (SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE|SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION)) { | |||
| 1722 | r = -EINVAL22; | |||
| 1723 | goto fail; | |||
| 1724 | } | |||
| 1725 | ||||
| 1726 | m = new0(struct vtable_member, 1)((struct vtable_member*) calloc((1), sizeof(struct vtable_member ))); | |||
| 1727 | if (!m) { | |||
| 1728 | r = -ENOMEM12; | |||
| 1729 | goto fail; | |||
| 1730 | } | |||
| 1731 | ||||
| 1732 | m->parent = &s->node_vtable; | |||
| 1733 | m->path = n->path; | |||
| 1734 | m->interface = s->node_vtable.interface; | |||
| 1735 | m->member = v->x.method.member; | |||
| 1736 | m->vtable = v; | |||
| 1737 | ||||
| 1738 | r = hashmap_put(bus->vtable_methods, m, m); | |||
| 1739 | if (r < 0) { | |||
| 1740 | free(m); | |||
| 1741 | goto fail; | |||
| 1742 | } | |||
| 1743 | ||||
| 1744 | break; | |||
| 1745 | } | |||
| 1746 | ||||
| 1747 | case _SD_BUS_VTABLE_WRITABLE_PROPERTY: | |||
| 1748 | ||||
| 1749 | if (!(v->x.property.set || bus_type_is_basic(v->x.property.signature[0]))) { | |||
| 1750 | r = -EINVAL22; | |||
| 1751 | goto fail; | |||
| 1752 | } | |||
| 1753 | ||||
| 1754 | if (v->flags & SD_BUS_VTABLE_PROPERTY_CONST) { | |||
| 1755 | r = -EINVAL22; | |||
| 1756 | goto fail; | |||
| 1757 | } | |||
| 1758 | ||||
| 1759 | _fallthrough_; | |||
| 1760 | case _SD_BUS_VTABLE_PROPERTY: { | |||
| 1761 | struct vtable_member *m; | |||
| 1762 | ||||
| 1763 | if (!member_name_is_valid(v->x.property.member) || | |||
| 1764 | !signature_is_single(v->x.property.signature, false0) || | |||
| 1765 | !(v->x.property.get || bus_type_is_basic(v->x.property.signature[0]) || streq(v->x.property.signature, "as")(strcmp((v->x.property.signature),("as")) == 0)) || | |||
| 1766 | (v->flags & SD_BUS_VTABLE_METHOD_NO_REPLY) || | |||
| 1767 | (!!(v->flags & SD_BUS_VTABLE_PROPERTY_CONST) + !!(v->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE) + !!(v->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION)) > 1 || | |||
| 1768 | ((v->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE) && (v->flags & SD_BUS_VTABLE_PROPERTY_EXPLICIT)) || | |||
| 1769 | (v->flags & SD_BUS_VTABLE_UNPRIVILEGED && v->type == _SD_BUS_VTABLE_PROPERTY)) { | |||
| 1770 | r = -EINVAL22; | |||
| 1771 | goto fail; | |||
| 1772 | } | |||
| 1773 | ||||
| 1774 | m = new0(struct vtable_member, 1)((struct vtable_member*) calloc((1), sizeof(struct vtable_member ))); | |||
| 1775 | if (!m) { | |||
| 1776 | r = -ENOMEM12; | |||
| 1777 | goto fail; | |||
| 1778 | } | |||
| 1779 | ||||
| 1780 | m->parent = &s->node_vtable; | |||
| 1781 | m->path = n->path; | |||
| 1782 | m->interface = s->node_vtable.interface; | |||
| 1783 | m->member = v->x.property.member; | |||
| 1784 | m->vtable = v; | |||
| 1785 | ||||
| 1786 | r = hashmap_put(bus->vtable_properties, m, m); | |||
| 1787 | if (r < 0) { | |||
| 1788 | free(m); | |||
| 1789 | goto fail; | |||
| 1790 | } | |||
| 1791 | ||||
| 1792 | break; | |||
| 1793 | } | |||
| 1794 | ||||
| 1795 | case _SD_BUS_VTABLE_SIGNAL: | |||
| 1796 | ||||
| 1797 | if (!member_name_is_valid(v->x.signal.member) || | |||
| 1798 | !signature_is_valid(strempty(v->x.signal.signature), false0) || | |||
| 1799 | v->flags & SD_BUS_VTABLE_UNPRIVILEGED) { | |||
| 1800 | r = -EINVAL22; | |||
| 1801 | goto fail; | |||
| 1802 | } | |||
| 1803 | ||||
| 1804 | break; | |||
| 1805 | ||||
| 1806 | default: | |||
| 1807 | r = -EINVAL22; | |||
| 1808 | goto fail; | |||
| 1809 | } | |||
| 1810 | } | |||
| 1811 | ||||
| 1812 | s->node_vtable.node = n; | |||
| 1813 | LIST_INSERT_AFTER(vtables, n->vtables, existing, &s->node_vtable)do { typeof(*(n->vtables)) **_head = &(n->vtables), *_a = (existing), *_b = (&s->node_vtable); do { if (( __builtin_expect(!!(!(_b)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("_b"), "../src/libsystemd/sd-bus/bus-objects.c", 1813, __PRETTY_FUNCTION__ ); } while (0); if (!_a) { if ((_b->vtables_next = *_head) ) _b->vtables_next->vtables_prev = _b; _b->vtables_prev = ((void*)0); *_head = _b; } else { if ((_b->vtables_next = _a->vtables_next)) _b->vtables_next->vtables_prev = _b; _b->vtables_prev = _a; _a->vtables_next = _b; } } while (0); | |||
| 1814 | bus->nodes_modified = true1; | |||
| 1815 | ||||
| 1816 | if (slot) | |||
| 1817 | *slot = s; | |||
| 1818 | ||||
| 1819 | return 0; | |||
| 1820 | ||||
| 1821 | fail: | |||
| 1822 | sd_bus_slot_unref(s); | |||
| 1823 | bus_node_gc(bus, n); | |||
| 1824 | ||||
| 1825 | return r; | |||
| 1826 | } | |||
| 1827 | ||||
| 1828 | _public___attribute__ ((visibility("default"))) int sd_bus_add_object_vtable( | |||
| 1829 | sd_bus *bus, | |||
| 1830 | sd_bus_slot **slot, | |||
| 1831 | const char *path, | |||
| 1832 | const char *interface, | |||
| 1833 | const sd_bus_vtable *vtable, | |||
| 1834 | void *userdata) { | |||
| 1835 | ||||
| 1836 | return add_object_vtable_internal(bus, slot, path, interface, vtable, false0, NULL((void*)0), userdata); | |||
| 1837 | } | |||
| 1838 | ||||
| 1839 | _public___attribute__ ((visibility("default"))) int sd_bus_add_fallback_vtable( | |||
| 1840 | sd_bus *bus, | |||
| 1841 | sd_bus_slot **slot, | |||
| 1842 | const char *prefix, | |||
| 1843 | const char *interface, | |||
| 1844 | const sd_bus_vtable *vtable, | |||
| 1845 | sd_bus_object_find_t find, | |||
| 1846 | void *userdata) { | |||
| 1847 | ||||
| 1848 | return add_object_vtable_internal(bus, slot, prefix, interface, vtable, true1, find, userdata); | |||
| 1849 | } | |||
| 1850 | ||||
| 1851 | _public___attribute__ ((visibility("default"))) int sd_bus_add_node_enumerator( | |||
| 1852 | sd_bus *bus, | |||
| 1853 | sd_bus_slot **slot, | |||
| 1854 | const char *path, | |||
| 1855 | sd_bus_node_enumerator_t callback, | |||
| 1856 | void *userdata) { | |||
| 1857 | ||||
| 1858 | sd_bus_slot *s; | |||
| 1859 | struct node *n; | |||
| 1860 | int r; | |||
| 1861 | ||||
| 1862 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1862, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1863 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 1863, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 1864 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 1864, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1865 | assert_return(callback, -EINVAL)do { if (!(((__builtin_expect(!!(callback),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("callback"), "../src/libsystemd/sd-bus/bus-objects.c" , 1865, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1866 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 1866, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 1867 | ||||
| 1868 | n = bus_node_allocate(bus, path); | |||
| 1869 | if (!n) | |||
| 1870 | return -ENOMEM12; | |||
| 1871 | ||||
| 1872 | s = bus_slot_allocate(bus, !slot, BUS_NODE_ENUMERATOR, sizeof(struct node_enumerator), userdata); | |||
| 1873 | if (!s) { | |||
| 1874 | r = -ENOMEM12; | |||
| 1875 | goto fail; | |||
| 1876 | } | |||
| 1877 | ||||
| 1878 | s->node_enumerator.callback = callback; | |||
| 1879 | ||||
| 1880 | s->node_enumerator.node = n; | |||
| 1881 | LIST_PREPEND(enumerators, n->enumerators, &s->node_enumerator)do { typeof(*(n->enumerators)) **_head = &(n->enumerators ), *_item = (&s->node_enumerator); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/libsystemd/sd-bus/bus-objects.c", 1881, __PRETTY_FUNCTION__ ); } while (0); if ((_item->enumerators_next = *_head)) _item ->enumerators_next->enumerators_prev = _item; _item-> enumerators_prev = ((void*)0); *_head = _item; } while (0); | |||
| 1882 | bus->nodes_modified = true1; | |||
| 1883 | ||||
| 1884 | if (slot) | |||
| 1885 | *slot = s; | |||
| 1886 | ||||
| 1887 | return 0; | |||
| 1888 | ||||
| 1889 | fail: | |||
| 1890 | sd_bus_slot_unref(s); | |||
| 1891 | bus_node_gc(bus, n); | |||
| 1892 | ||||
| 1893 | return r; | |||
| 1894 | } | |||
| 1895 | ||||
| 1896 | static int emit_properties_changed_on_interface( | |||
| 1897 | sd_bus *bus, | |||
| 1898 | const char *prefix, | |||
| 1899 | const char *path, | |||
| 1900 | const char *interface, | |||
| 1901 | bool_Bool require_fallback, | |||
| 1902 | bool_Bool *found_interface, | |||
| 1903 | char **names) { | |||
| 1904 | ||||
| 1905 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 1906 | _cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message *m = NULL((void*)0); | |||
| 1907 | bool_Bool has_invalidating = false0, has_changing = false0; | |||
| 1908 | struct vtable_member key = {}; | |||
| 1909 | struct node_vtable *c; | |||
| 1910 | struct node *n; | |||
| 1911 | char **property; | |||
| 1912 | void *u = NULL((void*)0); | |||
| 1913 | int r; | |||
| 1914 | ||||
| 1915 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 1915, __PRETTY_FUNCTION__); } while (0); | |||
| 1916 | assert(prefix)do { if ((__builtin_expect(!!(!(prefix)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("prefix"), "../src/libsystemd/sd-bus/bus-objects.c" , 1916, __PRETTY_FUNCTION__); } while (0); | |||
| 1917 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 1917, __PRETTY_FUNCTION__); } while (0); | |||
| 1918 | assert(interface)do { if ((__builtin_expect(!!(!(interface)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("interface"), "../src/libsystemd/sd-bus/bus-objects.c" , 1918, __PRETTY_FUNCTION__); } while (0); | |||
| 1919 | assert(found_interface)do { if ((__builtin_expect(!!(!(found_interface)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("found_interface"), "../src/libsystemd/sd-bus/bus-objects.c" , 1919, __PRETTY_FUNCTION__); } while (0); | |||
| 1920 | ||||
| 1921 | n = hashmap_get(bus->nodes, prefix); | |||
| 1922 | if (!n) | |||
| 1923 | return 0; | |||
| 1924 | ||||
| 1925 | r = sd_bus_message_new_signal(bus, &m, path, "org.freedesktop.DBus.Properties", "PropertiesChanged"); | |||
| 1926 | if (r < 0) | |||
| 1927 | return r; | |||
| 1928 | ||||
| 1929 | r = sd_bus_message_append(m, "s", interface); | |||
| 1930 | if (r < 0) | |||
| 1931 | return r; | |||
| 1932 | ||||
| 1933 | r = sd_bus_message_open_container(m, 'a', "{sv}"); | |||
| 1934 | if (r < 0) | |||
| 1935 | return r; | |||
| 1936 | ||||
| 1937 | key.path = prefix; | |||
| 1938 | key.interface = interface; | |||
| 1939 | ||||
| 1940 | LIST_FOREACH(vtables, c, n->vtables)for ((c) = (n->vtables); (c); (c) = (c)->vtables_next) { | |||
| 1941 | if (require_fallback && !c->is_fallback) | |||
| 1942 | continue; | |||
| 1943 | ||||
| 1944 | if (!streq(c->interface, interface)(strcmp((c->interface),(interface)) == 0)) | |||
| 1945 | continue; | |||
| 1946 | ||||
| 1947 | r = node_vtable_get_userdata(bus, path, c, &u, &error); | |||
| 1948 | if (r < 0) | |||
| 1949 | return r; | |||
| 1950 | if (bus->nodes_modified) | |||
| 1951 | return 0; | |||
| 1952 | if (r == 0) | |||
| 1953 | continue; | |||
| 1954 | ||||
| 1955 | *found_interface = true1; | |||
| 1956 | ||||
| 1957 | if (names) { | |||
| 1958 | /* If the caller specified a list of | |||
| 1959 | * properties we include exactly those in the | |||
| 1960 | * PropertiesChanged message */ | |||
| 1961 | ||||
| 1962 | STRV_FOREACH(property, names)for ((property) = (names); (property) && *(property); (property)++) { | |||
| 1963 | struct vtable_member *v; | |||
| 1964 | ||||
| 1965 | assert_return(member_name_is_valid(*property), -EINVAL)do { if (!(((__builtin_expect(!!(member_name_is_valid(*property )),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("member_name_is_valid(*property)"), "../src/libsystemd/sd-bus/bus-objects.c" , 1965, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 1966 | ||||
| 1967 | key.member = *property; | |||
| 1968 | v = hashmap_get(bus->vtable_properties, &key); | |||
| 1969 | if (!v) | |||
| 1970 | return -ENOENT2; | |||
| 1971 | ||||
| 1972 | /* If there are two vtables for the same | |||
| 1973 | * interface, let's handle this property when | |||
| 1974 | * we come to that vtable. */ | |||
| 1975 | if (c != v->parent) | |||
| 1976 | continue; | |||
| 1977 | ||||
| 1978 | assert_return(v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE ||do { if (!(((__builtin_expect(!!(v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE || v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE || v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION" ), "../src/libsystemd/sd-bus/bus-objects.c", 1979, __PRETTY_FUNCTION__ ), 0))) return (-33); } while (0) | |||
| 1979 | v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION, -EDOM)do { if (!(((__builtin_expect(!!(v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE || v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE || v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION" ), "../src/libsystemd/sd-bus/bus-objects.c", 1979, __PRETTY_FUNCTION__ ), 0))) return (-33); } while (0); | |||
| 1980 | ||||
| 1981 | assert_return(!(v->vtable->flags & SD_BUS_VTABLE_HIDDEN), -EDOM)do { if (!(((__builtin_expect(!!(!(v->vtable->flags & SD_BUS_VTABLE_HIDDEN)),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("!(v->vtable->flags & SD_BUS_VTABLE_HIDDEN)" ), "../src/libsystemd/sd-bus/bus-objects.c", 1981, __PRETTY_FUNCTION__ ), 0))) return (-33); } while (0); | |||
| 1982 | ||||
| 1983 | if (v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION) { | |||
| 1984 | has_invalidating = true1; | |||
| 1985 | continue; | |||
| 1986 | } | |||
| 1987 | ||||
| 1988 | has_changing = true1; | |||
| 1989 | ||||
| 1990 | r = vtable_append_one_property(bus, m, m->path, c, v->vtable, u, &error); | |||
| 1991 | if (r < 0) | |||
| 1992 | return r; | |||
| 1993 | if (bus->nodes_modified) | |||
| 1994 | return 0; | |||
| 1995 | } | |||
| 1996 | } else { | |||
| 1997 | const sd_bus_vtable *v; | |||
| 1998 | ||||
| 1999 | /* If the caller specified no properties list | |||
| 2000 | * we include all properties that are marked | |||
| 2001 | * as changing in the message. */ | |||
| 2002 | ||||
| 2003 | for (v = c->vtable+1; v->type != _SD_BUS_VTABLE_END; v++) { | |||
| 2004 | if (!IN_SET(v->type, _SD_BUS_VTABLE_PROPERTY, _SD_BUS_VTABLE_WRITABLE_PROPERTY)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){_SD_BUS_VTABLE_PROPERTY, _SD_BUS_VTABLE_WRITABLE_PROPERTY })/sizeof(int)]; switch(v->type) { case _SD_BUS_VTABLE_PROPERTY : case _SD_BUS_VTABLE_WRITABLE_PROPERTY: _found = 1; break; default : break; } _found; })) | |||
| 2005 | continue; | |||
| 2006 | ||||
| 2007 | if (v->flags & SD_BUS_VTABLE_HIDDEN) | |||
| 2008 | continue; | |||
| 2009 | ||||
| 2010 | if (v->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION) { | |||
| 2011 | has_invalidating = true1; | |||
| 2012 | continue; | |||
| 2013 | } | |||
| 2014 | ||||
| 2015 | if (!(v->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE)) | |||
| 2016 | continue; | |||
| 2017 | ||||
| 2018 | has_changing = true1; | |||
| 2019 | ||||
| 2020 | r = vtable_append_one_property(bus, m, m->path, c, v, u, &error); | |||
| 2021 | if (r < 0) | |||
| 2022 | return r; | |||
| 2023 | if (bus->nodes_modified) | |||
| 2024 | return 0; | |||
| 2025 | } | |||
| 2026 | } | |||
| 2027 | } | |||
| 2028 | ||||
| 2029 | if (!has_invalidating && !has_changing) | |||
| 2030 | return 0; | |||
| 2031 | ||||
| 2032 | r = sd_bus_message_close_container(m); | |||
| 2033 | if (r < 0) | |||
| 2034 | return r; | |||
| 2035 | ||||
| 2036 | r = sd_bus_message_open_container(m, 'a', "s"); | |||
| 2037 | if (r < 0) | |||
| 2038 | return r; | |||
| 2039 | ||||
| 2040 | if (has_invalidating) { | |||
| 2041 | LIST_FOREACH(vtables, c, n->vtables)for ((c) = (n->vtables); (c); (c) = (c)->vtables_next) { | |||
| 2042 | if (require_fallback && !c->is_fallback) | |||
| 2043 | continue; | |||
| 2044 | ||||
| 2045 | if (!streq(c->interface, interface)(strcmp((c->interface),(interface)) == 0)) | |||
| 2046 | continue; | |||
| 2047 | ||||
| 2048 | r = node_vtable_get_userdata(bus, path, c, &u, &error); | |||
| 2049 | if (r < 0) | |||
| 2050 | return r; | |||
| 2051 | if (bus->nodes_modified) | |||
| 2052 | return 0; | |||
| 2053 | if (r == 0) | |||
| 2054 | continue; | |||
| 2055 | ||||
| 2056 | if (names) { | |||
| 2057 | STRV_FOREACH(property, names)for ((property) = (names); (property) && *(property); (property)++) { | |||
| 2058 | struct vtable_member *v; | |||
| 2059 | ||||
| 2060 | key.member = *property; | |||
| 2061 | assert_se(v = hashmap_get(bus->vtable_properties, &key))do { if ((__builtin_expect(!!(!(v = hashmap_get(bus->vtable_properties , &key))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("v = hashmap_get(bus->vtable_properties, &key)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2061, __PRETTY_FUNCTION__); } while (0); | |||
| 2062 | assert(c == v->parent)do { if ((__builtin_expect(!!(!(c == v->parent)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c == v->parent"), "../src/libsystemd/sd-bus/bus-objects.c" , 2062, __PRETTY_FUNCTION__); } while (0); | |||
| 2063 | ||||
| 2064 | if (!(v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION)) | |||
| 2065 | continue; | |||
| 2066 | ||||
| 2067 | r = sd_bus_message_append(m, "s", *property); | |||
| 2068 | if (r < 0) | |||
| 2069 | return r; | |||
| 2070 | } | |||
| 2071 | } else { | |||
| 2072 | const sd_bus_vtable *v; | |||
| 2073 | ||||
| 2074 | for (v = c->vtable+1; v->type != _SD_BUS_VTABLE_END; v++) { | |||
| 2075 | if (!IN_SET(v->type, _SD_BUS_VTABLE_PROPERTY, _SD_BUS_VTABLE_WRITABLE_PROPERTY)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){_SD_BUS_VTABLE_PROPERTY, _SD_BUS_VTABLE_WRITABLE_PROPERTY })/sizeof(int)]; switch(v->type) { case _SD_BUS_VTABLE_PROPERTY : case _SD_BUS_VTABLE_WRITABLE_PROPERTY: _found = 1; break; default : break; } _found; })) | |||
| 2076 | continue; | |||
| 2077 | ||||
| 2078 | if (v->flags & SD_BUS_VTABLE_HIDDEN) | |||
| 2079 | continue; | |||
| 2080 | ||||
| 2081 | if (!(v->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION)) | |||
| 2082 | continue; | |||
| 2083 | ||||
| 2084 | r = sd_bus_message_append(m, "s", v->x.property.member); | |||
| 2085 | if (r < 0) | |||
| 2086 | return r; | |||
| 2087 | } | |||
| 2088 | } | |||
| 2089 | } | |||
| 2090 | } | |||
| 2091 | ||||
| 2092 | r = sd_bus_message_close_container(m); | |||
| 2093 | if (r < 0) | |||
| 2094 | return r; | |||
| 2095 | ||||
| 2096 | r = sd_bus_send(bus, m, NULL((void*)0)); | |||
| 2097 | if (r < 0) | |||
| 2098 | return r; | |||
| 2099 | ||||
| 2100 | return 1; | |||
| 2101 | } | |||
| 2102 | ||||
| 2103 | _public___attribute__ ((visibility("default"))) int sd_bus_emit_properties_changed_strv( | |||
| 2104 | sd_bus *bus, | |||
| 2105 | const char *path, | |||
| 2106 | const char *interface, | |||
| 2107 | char **names) { | |||
| 2108 | ||||
| 2109 | _cleanup_free___attribute__((cleanup(freep))) char *prefix = NULL((void*)0); | |||
| 2110 | bool_Bool found_interface = false0; | |||
| 2111 | size_t pl; | |||
| 2112 | int r; | |||
| 2113 | ||||
| 2114 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2114, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2115 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2115, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 2116 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2116, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2117 | assert_return(interface_name_is_valid(interface), -EINVAL)do { if (!(((__builtin_expect(!!(interface_name_is_valid(interface )),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("interface_name_is_valid(interface)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2117, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2118 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 2118, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 2119 | ||||
| 2120 | if (!BUS_IS_OPEN(bus->state)) | |||
| 2121 | return -ENOTCONN107; | |||
| 2122 | ||||
| 2123 | /* A non-NULL but empty names list means nothing needs to be | |||
| 2124 | generated. A NULL list OTOH indicates that all properties | |||
| 2125 | that are set to EMITS_CHANGE or EMITS_INVALIDATION shall be | |||
| 2126 | included in the PropertiesChanged message. */ | |||
| 2127 | if (names && names[0] == NULL((void*)0)) | |||
| 2128 | return 0; | |||
| 2129 | ||||
| 2130 | BUS_DONT_DESTROY(bus)__attribute__((cleanup(sd_bus_unrefp))) __attribute__ ((unused )) sd_bus *_dont_destroy_bus = sd_bus_ref(bus); | |||
| 2131 | ||||
| 2132 | pl = strlen(path); | |||
| 2133 | assert(pl <= BUS_PATH_SIZE_MAX)do { if ((__builtin_expect(!!(!(pl <= (64*1024))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("pl <= BUS_PATH_SIZE_MAX"), "../src/libsystemd/sd-bus/bus-objects.c" , 2133, __PRETTY_FUNCTION__); } while (0); | |||
| 2134 | prefix = new(char, pl + 1)((char*) malloc_multiply(sizeof(char), (pl + 1))); | |||
| 2135 | if (!prefix) | |||
| 2136 | return -ENOMEM12; | |||
| 2137 | ||||
| 2138 | do { | |||
| 2139 | bus->nodes_modified = false0; | |||
| 2140 | ||||
| 2141 | r = emit_properties_changed_on_interface(bus, path, path, interface, false0, &found_interface, names); | |||
| 2142 | if (r != 0) | |||
| 2143 | return r; | |||
| 2144 | if (bus->nodes_modified) | |||
| 2145 | continue; | |||
| 2146 | ||||
| 2147 | OBJECT_PATH_FOREACH_PREFIX(prefix, path)for (char *_slash = ({ strcpy((prefix), (path)); (strcmp(((prefix )),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/'); }) ; _slash && !(_slash[(_slash) == (prefix)] = 0); _slash = (strcmp (((prefix)),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/' )) { | |||
| 2148 | r = emit_properties_changed_on_interface(bus, prefix, path, interface, true1, &found_interface, names); | |||
| 2149 | if (r != 0) | |||
| 2150 | return r; | |||
| 2151 | if (bus->nodes_modified) | |||
| 2152 | break; | |||
| 2153 | } | |||
| 2154 | ||||
| 2155 | } while (bus->nodes_modified); | |||
| 2156 | ||||
| 2157 | return found_interface ? 0 : -ENOENT2; | |||
| 2158 | } | |||
| 2159 | ||||
| 2160 | _public___attribute__ ((visibility("default"))) int sd_bus_emit_properties_changed( | |||
| 2161 | sd_bus *bus, | |||
| 2162 | const char *path, | |||
| 2163 | const char *interface, | |||
| 2164 | const char *name, ...) { | |||
| 2165 | ||||
| 2166 | char **names; | |||
| 2167 | ||||
| 2168 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2168, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2169 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2169, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 2170 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2170, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2171 | assert_return(interface_name_is_valid(interface), -EINVAL)do { if (!(((__builtin_expect(!!(interface_name_is_valid(interface )),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("interface_name_is_valid(interface)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2171, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2172 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 2172, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 2173 | ||||
| 2174 | if (!BUS_IS_OPEN(bus->state)) | |||
| 2175 | return -ENOTCONN107; | |||
| 2176 | ||||
| 2177 | if (!name) | |||
| 2178 | return 0; | |||
| 2179 | ||||
| 2180 | names = strv_from_stdarg_alloca(name)({ char **_l; if (!name) _l = (char**) &name; else { size_t _n; va_list _ap; _n = 1; __builtin_va_start(_ap, name); while (__builtin_va_arg(_ap, char*)) _n++; __builtin_va_end(_ap); _l = ({ do { if ((__builtin_expect(!!(!(!size_multiply_overflow (sizeof(char*), _n+1))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("!size_multiply_overflow(sizeof(char*), _n+1)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2180, __PRETTY_FUNCTION__); } while (0); (char**) __builtin_alloca (sizeof(char*)*(_n+1)); }); _l[_n = 0] = (char*) name; __builtin_va_start (_ap, name); for (;;) { _l[++_n] = __builtin_va_arg(_ap, char *); if (!_l[_n]) break; } __builtin_va_end(_ap); } _l; }); | |||
| 2181 | ||||
| 2182 | return sd_bus_emit_properties_changed_strv(bus, path, interface, names); | |||
| 2183 | } | |||
| 2184 | ||||
| 2185 | static int object_added_append_all_prefix( | |||
| 2186 | sd_bus *bus, | |||
| 2187 | sd_bus_message *m, | |||
| 2188 | Set *s, | |||
| 2189 | const char *prefix, | |||
| 2190 | const char *path, | |||
| 2191 | bool_Bool require_fallback) { | |||
| 2192 | ||||
| 2193 | const char *previous_interface = NULL((void*)0); | |||
| 2194 | struct node_vtable *c; | |||
| 2195 | struct node *n; | |||
| 2196 | int r; | |||
| 2197 | ||||
| 2198 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2198, __PRETTY_FUNCTION__); } while (0); | |||
| 2199 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 2199, __PRETTY_FUNCTION__); } while (0); | |||
| 2200 | assert(s)do { if ((__builtin_expect(!!(!(s)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("s"), "../src/libsystemd/sd-bus/bus-objects.c" , 2200, __PRETTY_FUNCTION__); } while (0); | |||
| 2201 | assert(prefix)do { if ((__builtin_expect(!!(!(prefix)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("prefix"), "../src/libsystemd/sd-bus/bus-objects.c" , 2201, __PRETTY_FUNCTION__); } while (0); | |||
| 2202 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 2202, __PRETTY_FUNCTION__); } while (0); | |||
| 2203 | ||||
| 2204 | n = hashmap_get(bus->nodes, prefix); | |||
| 2205 | if (!n) | |||
| 2206 | return 0; | |||
| 2207 | ||||
| 2208 | LIST_FOREACH(vtables, c, n->vtables)for ((c) = (n->vtables); (c); (c) = (c)->vtables_next) { | |||
| 2209 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 2210 | void *u = NULL((void*)0); | |||
| 2211 | ||||
| 2212 | if (require_fallback && !c->is_fallback) | |||
| 2213 | continue; | |||
| 2214 | ||||
| 2215 | r = node_vtable_get_userdata(bus, path, c, &u, &error); | |||
| 2216 | if (r < 0) | |||
| 2217 | return r; | |||
| 2218 | if (bus->nodes_modified) | |||
| 2219 | return 0; | |||
| 2220 | if (r == 0) | |||
| 2221 | continue; | |||
| 2222 | ||||
| 2223 | if (!streq_ptr(c->interface, previous_interface)) { | |||
| 2224 | /* If a child-node already handled this interface, we | |||
| 2225 | * skip it on any of its parents. The child vtables | |||
| 2226 | * always fully override any conflicting vtables of | |||
| 2227 | * any parent node. */ | |||
| 2228 | if (set_get(s, c->interface)) | |||
| 2229 | continue; | |||
| 2230 | ||||
| 2231 | r = set_put(s, c->interface); | |||
| 2232 | if (r < 0) | |||
| 2233 | return r; | |||
| 2234 | ||||
| 2235 | if (previous_interface) { | |||
| 2236 | r = sd_bus_message_close_container(m); | |||
| 2237 | if (r < 0) | |||
| 2238 | return r; | |||
| 2239 | r = sd_bus_message_close_container(m); | |||
| 2240 | if (r < 0) | |||
| 2241 | return r; | |||
| 2242 | } | |||
| 2243 | ||||
| 2244 | r = sd_bus_message_open_container(m, 'e', "sa{sv}"); | |||
| 2245 | if (r < 0) | |||
| 2246 | return r; | |||
| 2247 | r = sd_bus_message_append(m, "s", c->interface); | |||
| 2248 | if (r < 0) | |||
| 2249 | return r; | |||
| 2250 | r = sd_bus_message_open_container(m, 'a', "{sv}"); | |||
| 2251 | if (r < 0) | |||
| 2252 | return r; | |||
| 2253 | ||||
| 2254 | previous_interface = c->interface; | |||
| 2255 | } | |||
| 2256 | ||||
| 2257 | r = vtable_append_all_properties(bus, m, path, c, u, &error); | |||
| 2258 | if (r < 0) | |||
| 2259 | return r; | |||
| 2260 | if (bus->nodes_modified) | |||
| 2261 | return 0; | |||
| 2262 | } | |||
| 2263 | ||||
| 2264 | if (previous_interface) { | |||
| 2265 | r = sd_bus_message_close_container(m); | |||
| 2266 | if (r < 0) | |||
| 2267 | return r; | |||
| 2268 | r = sd_bus_message_close_container(m); | |||
| 2269 | if (r < 0) | |||
| 2270 | return r; | |||
| 2271 | } | |||
| 2272 | ||||
| 2273 | return 0; | |||
| 2274 | } | |||
| 2275 | ||||
| 2276 | static int object_added_append_all(sd_bus *bus, sd_bus_message *m, const char *path) { | |||
| 2277 | _cleanup_set_free___attribute__((cleanup(set_freep))) Set *s = NULL((void*)0); | |||
| 2278 | _cleanup_free___attribute__((cleanup(freep))) char *prefix = NULL((void*)0); | |||
| 2279 | size_t pl; | |||
| 2280 | int r; | |||
| 2281 | ||||
| 2282 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2282, __PRETTY_FUNCTION__); } while (0); | |||
| 2283 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 2283, __PRETTY_FUNCTION__); } while (0); | |||
| 2284 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 2284, __PRETTY_FUNCTION__); } while (0); | |||
| 2285 | ||||
| 2286 | /* | |||
| 2287 | * This appends all interfaces registered on path @path. We first add | |||
| 2288 | * the builtin interfaces, which are always available and handled by | |||
| 2289 | * sd-bus. Then, we add all interfaces registered on the exact node, | |||
| 2290 | * followed by all fallback interfaces registered on any parent prefix. | |||
| 2291 | * | |||
| 2292 | * If an interface is registered multiple times on the same node with | |||
| 2293 | * different vtables, we merge all the properties across all vtables. | |||
| 2294 | * However, if a child node has the same interface registered as one of | |||
| 2295 | * its parent nodes has as fallback, we make the child overwrite the | |||
| 2296 | * parent instead of extending it. Therefore, we keep a "Set" of all | |||
| 2297 | * handled interfaces during parent traversal, so we skip interfaces on | |||
| 2298 | * a parent that were overwritten by a child. | |||
| 2299 | */ | |||
| 2300 | ||||
| 2301 | s = set_new(&string_hash_ops)internal_set_new(&string_hash_ops ); | |||
| 2302 | if (!s) | |||
| 2303 | return -ENOMEM12; | |||
| 2304 | ||||
| 2305 | r = sd_bus_message_append(m, "{sa{sv}}", "org.freedesktop.DBus.Peer", 0); | |||
| 2306 | if (r < 0) | |||
| 2307 | return r; | |||
| 2308 | r = sd_bus_message_append(m, "{sa{sv}}", "org.freedesktop.DBus.Introspectable", 0); | |||
| 2309 | if (r < 0) | |||
| 2310 | return r; | |||
| 2311 | r = sd_bus_message_append(m, "{sa{sv}}", "org.freedesktop.DBus.Properties", 0); | |||
| 2312 | if (r < 0) | |||
| 2313 | return r; | |||
| 2314 | r = sd_bus_message_append(m, "{sa{sv}}", "org.freedesktop.DBus.ObjectManager", 0); | |||
| 2315 | if (r < 0) | |||
| 2316 | return r; | |||
| 2317 | ||||
| 2318 | r = object_added_append_all_prefix(bus, m, s, path, path, false0); | |||
| 2319 | if (r < 0) | |||
| 2320 | return r; | |||
| 2321 | if (bus->nodes_modified) | |||
| 2322 | return 0; | |||
| 2323 | ||||
| 2324 | pl = strlen(path); | |||
| 2325 | assert(pl <= BUS_PATH_SIZE_MAX)do { if ((__builtin_expect(!!(!(pl <= (64*1024))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("pl <= BUS_PATH_SIZE_MAX"), "../src/libsystemd/sd-bus/bus-objects.c" , 2325, __PRETTY_FUNCTION__); } while (0); | |||
| 2326 | prefix = new(char, pl + 1)((char*) malloc_multiply(sizeof(char), (pl + 1))); | |||
| 2327 | if (!prefix) | |||
| 2328 | return -ENOMEM12; | |||
| 2329 | ||||
| 2330 | OBJECT_PATH_FOREACH_PREFIX(prefix, path)for (char *_slash = ({ strcpy((prefix), (path)); (strcmp(((prefix )),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/'); }) ; _slash && !(_slash[(_slash) == (prefix)] = 0); _slash = (strcmp (((prefix)),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/' )) { | |||
| 2331 | r = object_added_append_all_prefix(bus, m, s, prefix, path, true1); | |||
| 2332 | if (r < 0) | |||
| 2333 | return r; | |||
| 2334 | if (bus->nodes_modified) | |||
| 2335 | return 0; | |||
| 2336 | } | |||
| 2337 | ||||
| 2338 | return 0; | |||
| 2339 | } | |||
| 2340 | ||||
| 2341 | _public___attribute__ ((visibility("default"))) int sd_bus_emit_object_added(sd_bus *bus, const char *path) { | |||
| 2342 | _cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message *m = NULL((void*)0); | |||
| 2343 | struct node *object_manager; | |||
| 2344 | int r; | |||
| 2345 | ||||
| 2346 | /* | |||
| 2347 | * This emits an InterfacesAdded signal on the given path, by iterating | |||
| 2348 | * all registered vtables and fallback vtables on the path. All | |||
| 2349 | * properties are queried and included in the signal. | |||
| 2350 | * This call is equivalent to sd_bus_emit_interfaces_added() with an | |||
| 2351 | * explicit list of registered interfaces. However, unlike | |||
| 2352 | * interfaces_added(), this call can figure out the list of supported | |||
| 2353 | * interfaces itself. Furthermore, it properly adds the builtin | |||
| 2354 | * org.freedesktop.DBus.* interfaces. | |||
| 2355 | */ | |||
| 2356 | ||||
| 2357 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2357, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2358 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2358, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 2359 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2359, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2360 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 2360, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 2361 | ||||
| 2362 | if (!BUS_IS_OPEN(bus->state)) | |||
| 2363 | return -ENOTCONN107; | |||
| 2364 | ||||
| 2365 | r = bus_find_parent_object_manager(bus, &object_manager, path); | |||
| 2366 | if (r < 0) | |||
| 2367 | return r; | |||
| 2368 | if (r == 0) | |||
| 2369 | return -ESRCH3; | |||
| 2370 | ||||
| 2371 | BUS_DONT_DESTROY(bus)__attribute__((cleanup(sd_bus_unrefp))) __attribute__ ((unused )) sd_bus *_dont_destroy_bus = sd_bus_ref(bus); | |||
| 2372 | ||||
| 2373 | do { | |||
| 2374 | bus->nodes_modified = false0; | |||
| 2375 | m = sd_bus_message_unref(m); | |||
| 2376 | ||||
| 2377 | r = sd_bus_message_new_signal(bus, &m, object_manager->path, "org.freedesktop.DBus.ObjectManager", "InterfacesAdded"); | |||
| 2378 | if (r < 0) | |||
| 2379 | return r; | |||
| 2380 | ||||
| 2381 | r = sd_bus_message_append_basic(m, 'o', path); | |||
| 2382 | if (r < 0) | |||
| 2383 | return r; | |||
| 2384 | ||||
| 2385 | r = sd_bus_message_open_container(m, 'a', "{sa{sv}}"); | |||
| 2386 | if (r < 0) | |||
| 2387 | return r; | |||
| 2388 | ||||
| 2389 | r = object_added_append_all(bus, m, path); | |||
| 2390 | if (r < 0) | |||
| 2391 | return r; | |||
| 2392 | ||||
| 2393 | if (bus->nodes_modified) | |||
| 2394 | continue; | |||
| 2395 | ||||
| 2396 | r = sd_bus_message_close_container(m); | |||
| 2397 | if (r < 0) | |||
| 2398 | return r; | |||
| 2399 | ||||
| 2400 | } while (bus->nodes_modified); | |||
| 2401 | ||||
| 2402 | return sd_bus_send(bus, m, NULL((void*)0)); | |||
| 2403 | } | |||
| 2404 | ||||
| 2405 | static int object_removed_append_all_prefix( | |||
| 2406 | sd_bus *bus, | |||
| 2407 | sd_bus_message *m, | |||
| 2408 | Set *s, | |||
| 2409 | const char *prefix, | |||
| 2410 | const char *path, | |||
| 2411 | bool_Bool require_fallback) { | |||
| 2412 | ||||
| 2413 | const char *previous_interface = NULL((void*)0); | |||
| 2414 | struct node_vtable *c; | |||
| 2415 | struct node *n; | |||
| 2416 | int r; | |||
| 2417 | ||||
| 2418 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2418, __PRETTY_FUNCTION__); } while (0); | |||
| 2419 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 2419, __PRETTY_FUNCTION__); } while (0); | |||
| 2420 | assert(s)do { if ((__builtin_expect(!!(!(s)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("s"), "../src/libsystemd/sd-bus/bus-objects.c" , 2420, __PRETTY_FUNCTION__); } while (0); | |||
| 2421 | assert(prefix)do { if ((__builtin_expect(!!(!(prefix)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("prefix"), "../src/libsystemd/sd-bus/bus-objects.c" , 2421, __PRETTY_FUNCTION__); } while (0); | |||
| 2422 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 2422, __PRETTY_FUNCTION__); } while (0); | |||
| 2423 | ||||
| 2424 | n = hashmap_get(bus->nodes, prefix); | |||
| 2425 | if (!n) | |||
| 2426 | return 0; | |||
| 2427 | ||||
| 2428 | LIST_FOREACH(vtables, c, n->vtables)for ((c) = (n->vtables); (c); (c) = (c)->vtables_next) { | |||
| 2429 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 2430 | void *u = NULL((void*)0); | |||
| 2431 | ||||
| 2432 | if (require_fallback && !c->is_fallback) | |||
| 2433 | continue; | |||
| 2434 | if (streq_ptr(c->interface, previous_interface)) | |||
| 2435 | continue; | |||
| 2436 | ||||
| 2437 | /* If a child-node already handled this interface, we | |||
| 2438 | * skip it on any of its parents. The child vtables | |||
| 2439 | * always fully override any conflicting vtables of | |||
| 2440 | * any parent node. */ | |||
| 2441 | if (set_get(s, c->interface)) | |||
| 2442 | continue; | |||
| 2443 | ||||
| 2444 | r = node_vtable_get_userdata(bus, path, c, &u, &error); | |||
| 2445 | if (r < 0) | |||
| 2446 | return r; | |||
| 2447 | if (bus->nodes_modified) | |||
| 2448 | return 0; | |||
| 2449 | if (r == 0) | |||
| 2450 | continue; | |||
| 2451 | ||||
| 2452 | r = set_put(s, c->interface); | |||
| 2453 | if (r < 0) | |||
| 2454 | return r; | |||
| 2455 | ||||
| 2456 | r = sd_bus_message_append(m, "s", c->interface); | |||
| 2457 | if (r < 0) | |||
| 2458 | return r; | |||
| 2459 | ||||
| 2460 | previous_interface = c->interface; | |||
| 2461 | } | |||
| 2462 | ||||
| 2463 | return 0; | |||
| 2464 | } | |||
| 2465 | ||||
| 2466 | static int object_removed_append_all(sd_bus *bus, sd_bus_message *m, const char *path) { | |||
| 2467 | _cleanup_set_free___attribute__((cleanup(set_freep))) Set *s = NULL((void*)0); | |||
| 2468 | _cleanup_free___attribute__((cleanup(freep))) char *prefix = NULL((void*)0); | |||
| 2469 | size_t pl; | |||
| 2470 | int r; | |||
| 2471 | ||||
| 2472 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2472, __PRETTY_FUNCTION__); } while (0); | |||
| 2473 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 2473, __PRETTY_FUNCTION__); } while (0); | |||
| 2474 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 2474, __PRETTY_FUNCTION__); } while (0); | |||
| 2475 | ||||
| 2476 | /* see sd_bus_emit_object_added() for details */ | |||
| 2477 | ||||
| 2478 | s = set_new(&string_hash_ops)internal_set_new(&string_hash_ops ); | |||
| 2479 | if (!s) | |||
| 2480 | return -ENOMEM12; | |||
| 2481 | ||||
| 2482 | r = sd_bus_message_append(m, "s", "org.freedesktop.DBus.Peer"); | |||
| 2483 | if (r < 0) | |||
| 2484 | return r; | |||
| 2485 | r = sd_bus_message_append(m, "s", "org.freedesktop.DBus.Introspectable"); | |||
| 2486 | if (r < 0) | |||
| 2487 | return r; | |||
| 2488 | r = sd_bus_message_append(m, "s", "org.freedesktop.DBus.Properties"); | |||
| 2489 | if (r < 0) | |||
| 2490 | return r; | |||
| 2491 | r = sd_bus_message_append(m, "s", "org.freedesktop.DBus.ObjectManager"); | |||
| 2492 | if (r < 0) | |||
| 2493 | return r; | |||
| 2494 | ||||
| 2495 | r = object_removed_append_all_prefix(bus, m, s, path, path, false0); | |||
| 2496 | if (r < 0) | |||
| 2497 | return r; | |||
| 2498 | if (bus->nodes_modified) | |||
| 2499 | return 0; | |||
| 2500 | ||||
| 2501 | pl = strlen(path); | |||
| 2502 | assert(pl <= BUS_PATH_SIZE_MAX)do { if ((__builtin_expect(!!(!(pl <= (64*1024))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("pl <= BUS_PATH_SIZE_MAX"), "../src/libsystemd/sd-bus/bus-objects.c" , 2502, __PRETTY_FUNCTION__); } while (0); | |||
| 2503 | prefix = new(char, pl + 1)((char*) malloc_multiply(sizeof(char), (pl + 1))); | |||
| 2504 | if (!prefix) | |||
| 2505 | return -ENOMEM12; | |||
| 2506 | ||||
| 2507 | OBJECT_PATH_FOREACH_PREFIX(prefix, path)for (char *_slash = ({ strcpy((prefix), (path)); (strcmp(((prefix )),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/'); }) ; _slash && !(_slash[(_slash) == (prefix)] = 0); _slash = (strcmp (((prefix)),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/' )) { | |||
| 2508 | r = object_removed_append_all_prefix(bus, m, s, prefix, path, true1); | |||
| 2509 | if (r < 0) | |||
| 2510 | return r; | |||
| 2511 | if (bus->nodes_modified) | |||
| 2512 | return 0; | |||
| 2513 | } | |||
| 2514 | ||||
| 2515 | return 0; | |||
| 2516 | } | |||
| 2517 | ||||
| 2518 | _public___attribute__ ((visibility("default"))) int sd_bus_emit_object_removed(sd_bus *bus, const char *path) { | |||
| 2519 | _cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message *m = NULL((void*)0); | |||
| 2520 | struct node *object_manager; | |||
| 2521 | int r; | |||
| 2522 | ||||
| 2523 | /* | |||
| 2524 | * This is like sd_bus_emit_object_added(), but emits an | |||
| 2525 | * InterfacesRemoved signal on the given path. This only includes any | |||
| 2526 | * registered interfaces but skips the properties. Note that this will | |||
| 2527 | * call into the find() callbacks of any registered vtable. Therefore, | |||
| 2528 | * you must call this function before destroying/unlinking your object. | |||
| 2529 | * Otherwise, the list of interfaces will be incomplete. However, note | |||
| 2530 | * that this will *NOT* call into any property callback. Therefore, the | |||
| 2531 | * object might be in an "destructed" state, as long as we can find it. | |||
| 2532 | */ | |||
| 2533 | ||||
| 2534 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2534, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2535 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2535, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 2536 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2536, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2537 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 2537, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 2538 | ||||
| 2539 | if (!BUS_IS_OPEN(bus->state)) | |||
| 2540 | return -ENOTCONN107; | |||
| 2541 | ||||
| 2542 | r = bus_find_parent_object_manager(bus, &object_manager, path); | |||
| 2543 | if (r < 0) | |||
| 2544 | return r; | |||
| 2545 | if (r == 0) | |||
| 2546 | return -ESRCH3; | |||
| 2547 | ||||
| 2548 | BUS_DONT_DESTROY(bus)__attribute__((cleanup(sd_bus_unrefp))) __attribute__ ((unused )) sd_bus *_dont_destroy_bus = sd_bus_ref(bus); | |||
| 2549 | ||||
| 2550 | do { | |||
| 2551 | bus->nodes_modified = false0; | |||
| 2552 | m = sd_bus_message_unref(m); | |||
| 2553 | ||||
| 2554 | r = sd_bus_message_new_signal(bus, &m, object_manager->path, "org.freedesktop.DBus.ObjectManager", "InterfacesRemoved"); | |||
| 2555 | if (r < 0) | |||
| 2556 | return r; | |||
| 2557 | ||||
| 2558 | r = sd_bus_message_append_basic(m, 'o', path); | |||
| 2559 | if (r < 0) | |||
| 2560 | return r; | |||
| 2561 | ||||
| 2562 | r = sd_bus_message_open_container(m, 'a', "s"); | |||
| 2563 | if (r < 0) | |||
| 2564 | return r; | |||
| 2565 | ||||
| 2566 | r = object_removed_append_all(bus, m, path); | |||
| 2567 | if (r < 0) | |||
| 2568 | return r; | |||
| 2569 | ||||
| 2570 | if (bus->nodes_modified) | |||
| 2571 | continue; | |||
| 2572 | ||||
| 2573 | r = sd_bus_message_close_container(m); | |||
| 2574 | if (r < 0) | |||
| 2575 | return r; | |||
| 2576 | ||||
| 2577 | } while (bus->nodes_modified); | |||
| 2578 | ||||
| 2579 | return sd_bus_send(bus, m, NULL((void*)0)); | |||
| 2580 | } | |||
| 2581 | ||||
| 2582 | static int interfaces_added_append_one_prefix( | |||
| 2583 | sd_bus *bus, | |||
| 2584 | sd_bus_message *m, | |||
| 2585 | const char *prefix, | |||
| 2586 | const char *path, | |||
| 2587 | const char *interface, | |||
| 2588 | bool_Bool require_fallback) { | |||
| 2589 | ||||
| 2590 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 2591 | bool_Bool found_interface = false0; | |||
| 2592 | struct node_vtable *c; | |||
| 2593 | struct node *n; | |||
| 2594 | void *u = NULL((void*)0); | |||
| 2595 | int r; | |||
| 2596 | ||||
| 2597 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2597, __PRETTY_FUNCTION__); } while (0); | |||
| 2598 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 2598, __PRETTY_FUNCTION__); } while (0); | |||
| 2599 | assert(prefix)do { if ((__builtin_expect(!!(!(prefix)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("prefix"), "../src/libsystemd/sd-bus/bus-objects.c" , 2599, __PRETTY_FUNCTION__); } while (0); | |||
| 2600 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 2600, __PRETTY_FUNCTION__); } while (0); | |||
| 2601 | assert(interface)do { if ((__builtin_expect(!!(!(interface)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("interface"), "../src/libsystemd/sd-bus/bus-objects.c" , 2601, __PRETTY_FUNCTION__); } while (0); | |||
| 2602 | ||||
| 2603 | n = hashmap_get(bus->nodes, prefix); | |||
| 2604 | if (!n) | |||
| 2605 | return 0; | |||
| 2606 | ||||
| 2607 | LIST_FOREACH(vtables, c, n->vtables)for ((c) = (n->vtables); (c); (c) = (c)->vtables_next) { | |||
| 2608 | if (require_fallback && !c->is_fallback) | |||
| 2609 | continue; | |||
| 2610 | ||||
| 2611 | if (!streq(c->interface, interface)(strcmp((c->interface),(interface)) == 0)) | |||
| 2612 | continue; | |||
| 2613 | ||||
| 2614 | r = node_vtable_get_userdata(bus, path, c, &u, &error); | |||
| 2615 | if (r < 0) | |||
| 2616 | return r; | |||
| 2617 | if (bus->nodes_modified) | |||
| 2618 | return 0; | |||
| 2619 | if (r == 0) | |||
| 2620 | continue; | |||
| 2621 | ||||
| 2622 | if (!found_interface) { | |||
| 2623 | r = sd_bus_message_append_basic(m, 's', interface); | |||
| 2624 | if (r < 0) | |||
| 2625 | return r; | |||
| 2626 | ||||
| 2627 | r = sd_bus_message_open_container(m, 'a', "{sv}"); | |||
| 2628 | if (r < 0) | |||
| 2629 | return r; | |||
| 2630 | ||||
| 2631 | found_interface = true1; | |||
| 2632 | } | |||
| 2633 | ||||
| 2634 | r = vtable_append_all_properties(bus, m, path, c, u, &error); | |||
| 2635 | if (r < 0) | |||
| 2636 | return r; | |||
| 2637 | if (bus->nodes_modified) | |||
| 2638 | return 0; | |||
| 2639 | } | |||
| 2640 | ||||
| 2641 | if (found_interface) { | |||
| 2642 | r = sd_bus_message_close_container(m); | |||
| 2643 | if (r < 0) | |||
| 2644 | return r; | |||
| 2645 | } | |||
| 2646 | ||||
| 2647 | return found_interface; | |||
| 2648 | } | |||
| 2649 | ||||
| 2650 | static int interfaces_added_append_one( | |||
| 2651 | sd_bus *bus, | |||
| 2652 | sd_bus_message *m, | |||
| 2653 | const char *path, | |||
| 2654 | const char *interface) { | |||
| 2655 | ||||
| 2656 | _cleanup_free___attribute__((cleanup(freep))) char *prefix = NULL((void*)0); | |||
| 2657 | size_t pl; | |||
| 2658 | int r; | |||
| 2659 | ||||
| 2660 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2660, __PRETTY_FUNCTION__); } while (0); | |||
| 2661 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-objects.c" , 2661, __PRETTY_FUNCTION__); } while (0); | |||
| 2662 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/libsystemd/sd-bus/bus-objects.c" , 2662, __PRETTY_FUNCTION__); } while (0); | |||
| 2663 | assert(interface)do { if ((__builtin_expect(!!(!(interface)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("interface"), "../src/libsystemd/sd-bus/bus-objects.c" , 2663, __PRETTY_FUNCTION__); } while (0); | |||
| 2664 | ||||
| 2665 | r = interfaces_added_append_one_prefix(bus, m, path, path, interface, false0); | |||
| 2666 | if (r != 0) | |||
| 2667 | return r; | |||
| 2668 | if (bus->nodes_modified) | |||
| 2669 | return 0; | |||
| 2670 | ||||
| 2671 | pl = strlen(path); | |||
| 2672 | assert(pl <= BUS_PATH_SIZE_MAX)do { if ((__builtin_expect(!!(!(pl <= (64*1024))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("pl <= BUS_PATH_SIZE_MAX"), "../src/libsystemd/sd-bus/bus-objects.c" , 2672, __PRETTY_FUNCTION__); } while (0); | |||
| 2673 | prefix = new(char, pl + 1)((char*) malloc_multiply(sizeof(char), (pl + 1))); | |||
| 2674 | if (!prefix) | |||
| 2675 | return -ENOMEM12; | |||
| 2676 | ||||
| 2677 | OBJECT_PATH_FOREACH_PREFIX(prefix, path)for (char *_slash = ({ strcpy((prefix), (path)); (strcmp(((prefix )),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/'); }) ; _slash && !(_slash[(_slash) == (prefix)] = 0); _slash = (strcmp (((prefix)),("/")) == 0) ? ((void*)0) : strrchr((prefix), '/' )) { | |||
| 2678 | r = interfaces_added_append_one_prefix(bus, m, prefix, path, interface, true1); | |||
| 2679 | if (r != 0) | |||
| 2680 | return r; | |||
| 2681 | if (bus->nodes_modified) | |||
| 2682 | return 0; | |||
| 2683 | } | |||
| 2684 | ||||
| 2685 | return -ENOENT2; | |||
| 2686 | } | |||
| 2687 | ||||
| 2688 | _public___attribute__ ((visibility("default"))) int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces) { | |||
| 2689 | _cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message *m = NULL((void*)0); | |||
| 2690 | struct node *object_manager; | |||
| 2691 | char **i; | |||
| 2692 | int r; | |||
| 2693 | ||||
| 2694 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2694, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2695 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2695, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 2696 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2696, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2697 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 2697, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 2698 | ||||
| 2699 | if (!BUS_IS_OPEN(bus->state)) | |||
| 2700 | return -ENOTCONN107; | |||
| 2701 | ||||
| 2702 | if (strv_isempty(interfaces)) | |||
| 2703 | return 0; | |||
| 2704 | ||||
| 2705 | r = bus_find_parent_object_manager(bus, &object_manager, path); | |||
| 2706 | if (r < 0) | |||
| 2707 | return r; | |||
| 2708 | if (r == 0) | |||
| 2709 | return -ESRCH3; | |||
| 2710 | ||||
| 2711 | BUS_DONT_DESTROY(bus)__attribute__((cleanup(sd_bus_unrefp))) __attribute__ ((unused )) sd_bus *_dont_destroy_bus = sd_bus_ref(bus); | |||
| 2712 | ||||
| 2713 | do { | |||
| 2714 | bus->nodes_modified = false0; | |||
| 2715 | m = sd_bus_message_unref(m); | |||
| 2716 | ||||
| 2717 | r = sd_bus_message_new_signal(bus, &m, object_manager->path, "org.freedesktop.DBus.ObjectManager", "InterfacesAdded"); | |||
| 2718 | if (r < 0) | |||
| 2719 | return r; | |||
| 2720 | ||||
| 2721 | r = sd_bus_message_append_basic(m, 'o', path); | |||
| 2722 | if (r < 0) | |||
| 2723 | return r; | |||
| 2724 | ||||
| 2725 | r = sd_bus_message_open_container(m, 'a', "{sa{sv}}"); | |||
| 2726 | if (r < 0) | |||
| 2727 | return r; | |||
| 2728 | ||||
| 2729 | STRV_FOREACH(i, interfaces)for ((i) = (interfaces); (i) && *(i); (i)++) { | |||
| 2730 | assert_return(interface_name_is_valid(*i), -EINVAL)do { if (!(((__builtin_expect(!!(interface_name_is_valid(*i)) ,1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("interface_name_is_valid(*i)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2730, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2731 | ||||
| 2732 | r = sd_bus_message_open_container(m, 'e', "sa{sv}"); | |||
| 2733 | if (r < 0) | |||
| 2734 | return r; | |||
| 2735 | ||||
| 2736 | r = interfaces_added_append_one(bus, m, path, *i); | |||
| 2737 | if (r < 0) | |||
| 2738 | return r; | |||
| 2739 | ||||
| 2740 | if (bus->nodes_modified) | |||
| 2741 | break; | |||
| 2742 | ||||
| 2743 | r = sd_bus_message_close_container(m); | |||
| 2744 | if (r < 0) | |||
| 2745 | return r; | |||
| 2746 | } | |||
| 2747 | ||||
| 2748 | if (bus->nodes_modified) | |||
| 2749 | continue; | |||
| 2750 | ||||
| 2751 | r = sd_bus_message_close_container(m); | |||
| 2752 | if (r < 0) | |||
| 2753 | return r; | |||
| 2754 | ||||
| 2755 | } while (bus->nodes_modified); | |||
| 2756 | ||||
| 2757 | return sd_bus_send(bus, m, NULL((void*)0)); | |||
| 2758 | } | |||
| 2759 | ||||
| 2760 | _public___attribute__ ((visibility("default"))) int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) { | |||
| 2761 | char **interfaces; | |||
| 2762 | ||||
| 2763 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2763, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2764 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2764, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 2765 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2765, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2766 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 2766, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 2767 | ||||
| 2768 | if (!BUS_IS_OPEN(bus->state)) | |||
| 2769 | return -ENOTCONN107; | |||
| 2770 | ||||
| 2771 | interfaces = strv_from_stdarg_alloca(interface)({ char **_l; if (!interface) _l = (char**) &interface; else { size_t _n; va_list _ap; _n = 1; __builtin_va_start(_ap, interface ); while (__builtin_va_arg(_ap, char*)) _n++; __builtin_va_end (_ap); _l = ({ do { if ((__builtin_expect(!!(!(!size_multiply_overflow (sizeof(char*), _n+1))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("!size_multiply_overflow(sizeof(char*), _n+1)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2771, __PRETTY_FUNCTION__); } while (0); (char**) __builtin_alloca (sizeof(char*)*(_n+1)); }); _l[_n = 0] = (char*) interface; __builtin_va_start (_ap, interface); for (;;) { _l[++_n] = __builtin_va_arg(_ap, char*); if (!_l[_n]) break; } __builtin_va_end(_ap); } _l; } ); | |||
| 2772 | ||||
| 2773 | return sd_bus_emit_interfaces_added_strv(bus, path, interfaces); | |||
| 2774 | } | |||
| 2775 | ||||
| 2776 | _public___attribute__ ((visibility("default"))) int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces) { | |||
| 2777 | _cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message *m = NULL((void*)0); | |||
| 2778 | struct node *object_manager; | |||
| 2779 | int r; | |||
| 2780 | ||||
| 2781 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2781, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2782 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2782, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 2783 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2783, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2784 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 2784, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 2785 | ||||
| 2786 | if (!BUS_IS_OPEN(bus->state)) | |||
| 2787 | return -ENOTCONN107; | |||
| 2788 | ||||
| 2789 | if (strv_isempty(interfaces)) | |||
| 2790 | return 0; | |||
| 2791 | ||||
| 2792 | r = bus_find_parent_object_manager(bus, &object_manager, path); | |||
| 2793 | if (r < 0) | |||
| 2794 | return r; | |||
| 2795 | if (r == 0) | |||
| 2796 | return -ESRCH3; | |||
| 2797 | ||||
| 2798 | r = sd_bus_message_new_signal(bus, &m, object_manager->path, "org.freedesktop.DBus.ObjectManager", "InterfacesRemoved"); | |||
| 2799 | if (r < 0) | |||
| 2800 | return r; | |||
| 2801 | ||||
| 2802 | r = sd_bus_message_append_basic(m, 'o', path); | |||
| 2803 | if (r < 0) | |||
| 2804 | return r; | |||
| 2805 | ||||
| 2806 | r = sd_bus_message_append_strv(m, interfaces); | |||
| 2807 | if (r < 0) | |||
| 2808 | return r; | |||
| 2809 | ||||
| 2810 | return sd_bus_send(bus, m, NULL((void*)0)); | |||
| 2811 | } | |||
| 2812 | ||||
| 2813 | _public___attribute__ ((visibility("default"))) int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) { | |||
| 2814 | char **interfaces; | |||
| 2815 | ||||
| 2816 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2816, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2817 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2817, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 2818 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2818, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2819 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 2819, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 2820 | ||||
| 2821 | if (!BUS_IS_OPEN(bus->state)) | |||
| 2822 | return -ENOTCONN107; | |||
| 2823 | ||||
| 2824 | interfaces = strv_from_stdarg_alloca(interface)({ char **_l; if (!interface) _l = (char**) &interface; else { size_t _n; va_list _ap; _n = 1; __builtin_va_start(_ap, interface ); while (__builtin_va_arg(_ap, char*)) _n++; __builtin_va_end (_ap); _l = ({ do { if ((__builtin_expect(!!(!(!size_multiply_overflow (sizeof(char*), _n+1))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("!size_multiply_overflow(sizeof(char*), _n+1)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2824, __PRETTY_FUNCTION__); } while (0); (char**) __builtin_alloca (sizeof(char*)*(_n+1)); }); _l[_n = 0] = (char*) interface; __builtin_va_start (_ap, interface); for (;;) { _l[++_n] = __builtin_va_arg(_ap, char*); if (!_l[_n]) break; } __builtin_va_end(_ap); } _l; } ); | |||
| 2825 | ||||
| 2826 | return sd_bus_emit_interfaces_removed_strv(bus, path, interfaces); | |||
| 2827 | } | |||
| 2828 | ||||
| 2829 | _public___attribute__ ((visibility("default"))) int sd_bus_add_object_manager(sd_bus *bus, sd_bus_slot **slot, const char *path) { | |||
| 2830 | sd_bus_slot *s; | |||
| 2831 | struct node *n; | |||
| 2832 | int r; | |||
| 2833 | ||||
| 2834 | assert_return(bus, -EINVAL)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-objects.c" , 2834, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2835 | assert_return(bus = bus_resolve(bus), -ENOPKG)do { if (!(((__builtin_expect(!!(bus = bus_resolve(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus = bus_resolve(bus)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2835, __PRETTY_FUNCTION__), 0))) return (-65); } while (0); | |||
| 2836 | assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-objects.c" , 2836, __PRETTY_FUNCTION__), 0))) return (-22); } while (0); | |||
| 2837 | assert_return(!bus_pid_changed(bus), -ECHILD)do { if (!(((__builtin_expect(!!(!bus_pid_changed(bus)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!bus_pid_changed(bus)" ), "../src/libsystemd/sd-bus/bus-objects.c", 2837, __PRETTY_FUNCTION__ ), 0))) return (-10); } while (0); | |||
| 2838 | ||||
| 2839 | n = bus_node_allocate(bus, path); | |||
| 2840 | if (!n) | |||
| 2841 | return -ENOMEM12; | |||
| 2842 | ||||
| 2843 | s = bus_slot_allocate(bus, !slot, BUS_NODE_OBJECT_MANAGER, sizeof(struct node_object_manager), NULL((void*)0)); | |||
| 2844 | if (!s) { | |||
| 2845 | r = -ENOMEM12; | |||
| 2846 | goto fail; | |||
| 2847 | } | |||
| 2848 | ||||
| 2849 | s->node_object_manager.node = n; | |||
| 2850 | LIST_PREPEND(object_managers, n->object_managers, &s->node_object_manager)do { typeof(*(n->object_managers)) **_head = &(n->object_managers ), *_item = (&s->node_object_manager); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/libsystemd/sd-bus/bus-objects.c", 2850, __PRETTY_FUNCTION__ ); } while (0); if ((_item->object_managers_next = *_head) ) _item->object_managers_next->object_managers_prev = _item ; _item->object_managers_prev = ((void*)0); *_head = _item ; } while (0); | |||
| 2851 | bus->nodes_modified = true1; | |||
| 2852 | ||||
| 2853 | if (slot) | |||
| 2854 | *slot = s; | |||
| 2855 | ||||
| 2856 | return 0; | |||
| 2857 | ||||
| 2858 | fail: | |||
| 2859 | sd_bus_slot_unref(s); | |||
| 2860 | bus_node_gc(bus, n); | |||
| 2861 | ||||
| 2862 | return r; | |||
| 2863 | } |
| 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
| 2 | #pragma once |
| 3 | |
| 4 | #include <alloca.h> |
| 5 | #include <stddef.h> |
| 6 | #include <stdlib.h> |
| 7 | #include <string.h> |
| 8 | |
| 9 | #include "macro.h" |
| 10 | |
| 11 | #define new(t, n)((t*) malloc_multiply(sizeof(t), (n))) ((t*) malloc_multiply(sizeof(t), (n))) |
| 12 | |
| 13 | #define new0(t, n)((t*) calloc((n), sizeof(t))) ((t*) calloc((n), sizeof(t))) |
| 14 | |
| 15 | #define newa(t, n)({ do { if ((__builtin_expect(!!(!(!size_multiply_overflow(sizeof (t), n))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("!size_multiply_overflow(sizeof(t), n)" ), "../src/basic/alloc-util.h", 15, __PRETTY_FUNCTION__); } while (0); (t*) __builtin_alloca (sizeof(t)*(n)); }) \ |
| 16 | ({ \ |
| 17 | assert(!size_multiply_overflow(sizeof(t), n))do { if ((__builtin_expect(!!(!(!size_multiply_overflow(sizeof (t), n))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("!size_multiply_overflow(sizeof(t), n)" ), "../src/basic/alloc-util.h", 17, __PRETTY_FUNCTION__); } while (0); \ |
| 18 | (t*) alloca(sizeof(t)*(n))__builtin_alloca (sizeof(t)*(n)); \ |
| 19 | }) |
| 20 | |
| 21 | #define newa0(t, n)({ do { if ((__builtin_expect(!!(!(!size_multiply_overflow(sizeof (t), n))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("!size_multiply_overflow(sizeof(t), n)" ), "../src/basic/alloc-util.h", 21, __PRETTY_FUNCTION__); } while (0); (t*) ({ char *_new_; size_t _len_ = sizeof(t)*(n); _new_ = __builtin_alloca (_len_); (void *) memset(_new_, 0, _len_) ; }); }) \ |
| 22 | ({ \ |
| 23 | assert(!size_multiply_overflow(sizeof(t), n))do { if ((__builtin_expect(!!(!(!size_multiply_overflow(sizeof (t), n))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("!size_multiply_overflow(sizeof(t), n)" ), "../src/basic/alloc-util.h", 23, __PRETTY_FUNCTION__); } while (0); \ |
| 24 | (t*) alloca0(sizeof(t)*(n))({ char *_new_; size_t _len_ = sizeof(t)*(n); _new_ = __builtin_alloca (_len_); (void *) memset(_new_, 0, _len_); }); \ |
| 25 | }) |
| 26 | |
| 27 | #define newdup(t, p, n)((t*) memdup_multiply(p, sizeof(t), (n))) ((t*) memdup_multiply(p, sizeof(t), (n))) |
| 28 | |
| 29 | #define newdup_suffix0(t, p, n)((t*) memdup_suffix0_multiply(p, sizeof(t), (n))) ((t*) memdup_suffix0_multiply(p, sizeof(t), (n))) |
| 30 | |
| 31 | #define malloc0(n)(calloc(1, (n))) (calloc(1, (n))) |
| 32 | |
| 33 | static inline void *mfree(void *memory) { |
| 34 | free(memory); |
| 35 | return NULL((void*)0); |
| 36 | } |
| 37 | |
| 38 | #define free_and_replace(a, b)({ free(a); (a) = (b); (b) = ((void*)0); 0; }) \ |
| 39 | ({ \ |
| 40 | free(a); \ |
| 41 | (a) = (b); \ |
| 42 | (b) = NULL((void*)0); \ |
| 43 | 0; \ |
| 44 | }) |
| 45 | |
| 46 | void* memdup(const void *p, size_t l) _alloc_(2); |
| 47 | void* memdup_suffix0(const void *p, size_t l) _alloc_(2); |
| 48 | |
| 49 | static inline void freep(void *p) { |
| 50 | free(*(void**) p); |
| 51 | } |
| 52 | |
| 53 | #define _cleanup_free___attribute__((cleanup(freep))) _cleanup_(freep)__attribute__((cleanup(freep))) |
| 54 | |
| 55 | static inline bool_Bool size_multiply_overflow(size_t size, size_t need) { |
| 56 | return _unlikely_(need != 0 && size > (SIZE_MAX / need))(__builtin_expect(!!(need != 0 && size > ((18446744073709551615UL ) / need)),0)); |
| 57 | } |
| 58 | |
| 59 | _malloc___attribute__ ((malloc)) _alloc_(1, 2) static inline void *malloc_multiply(size_t size, size_t need) { |
| 60 | if (size_multiply_overflow(size, need)) |
| 61 | return NULL((void*)0); |
| 62 | |
| 63 | return malloc(size * need); |
| 64 | } |
| 65 | |
| 66 | #if !HAVE_REALLOCARRAY1 |
| 67 | _alloc_(2, 3) static inline void *reallocarray(void *p, size_t need, size_t size) { |
| 68 | if (size_multiply_overflow(size, need)) |
| 69 | return NULL((void*)0); |
| 70 | |
| 71 | return realloc(p, size * need); |
| 72 | } |
| 73 | #endif |
| 74 | |
| 75 | _alloc_(2, 3) static inline void *memdup_multiply(const void *p, size_t size, size_t need) { |
| 76 | if (size_multiply_overflow(size, need)) |
| 77 | return NULL((void*)0); |
| 78 | |
| 79 | return memdup(p, size * need); |
| 80 | } |
| 81 | |
| 82 | _alloc_(2, 3) static inline void *memdup_suffix0_multiply(const void *p, size_t size, size_t need) { |
| 83 | if (size_multiply_overflow(size, need)) |
| 84 | return NULL((void*)0); |
| 85 | |
| 86 | return memdup_suffix0(p, size * need); |
| 87 | } |
| 88 | |
| 89 | void* greedy_realloc(void **p, size_t *allocated, size_t need, size_t size); |
| 90 | void* greedy_realloc0(void **p, size_t *allocated, size_t need, size_t size); |
| 91 | |
| 92 | #define GREEDY_REALLOC(array, allocated, need)greedy_realloc((void**) &(array), &(allocated), (need ), sizeof((array)[0])) \ |
| 93 | greedy_realloc((void**) &(array), &(allocated), (need), sizeof((array)[0])) |
| 94 | |
| 95 | #define GREEDY_REALLOC0(array, allocated, need)greedy_realloc0((void**) &(array), &(allocated), (need ), sizeof((array)[0])) \ |
| 96 | greedy_realloc0((void**) &(array), &(allocated), (need), sizeof((array)[0])) |
| 97 | |
| 98 | #define alloca0(n)({ char *_new_; size_t _len_ = n; _new_ = __builtin_alloca (_len_ ); (void *) memset(_new_, 0, _len_); }) \ |
| 99 | ({ \ |
| 100 | char *_new_; \ |
| 101 | size_t _len_ = n; \ |
| 102 | _new_ = alloca(_len_)__builtin_alloca (_len_); \ |
| 103 | (void *) memset(_new_, 0, _len_); \ |
| 104 | }) |
| 105 | |
| 106 | /* It's not clear what alignment glibc/gcc alloca() guarantee, hence provide a guaranteed safe version */ |
| 107 | #define alloca_align(size, align)({ void *_ptr_; size_t _mask_ = (align) - 1; _ptr_ = __builtin_alloca ((size) + _mask_); (void*)(((uintptr_t)_ptr_ + _mask_) & ~_mask_); }) \ |
| 108 | ({ \ |
| 109 | void *_ptr_; \ |
| 110 | size_t _mask_ = (align) - 1; \ |
| 111 | _ptr_ = alloca((size) + _mask_)__builtin_alloca ((size) + _mask_); \ |
| 112 | (void*)(((uintptr_t)_ptr_ + _mask_) & ~_mask_); \ |
| 113 | }) |
| 114 | |
| 115 | #define alloca0_align(size, align)({ void *_new_; size_t _size_ = (size); _new_ = ({ void *_ptr_ ; size_t _mask_ = ((align)) - 1; _ptr_ = __builtin_alloca ((_size_ ) + _mask_); (void*)(((uintptr_t)_ptr_ + _mask_) & ~_mask_ ); }); (void*)memset(_new_, 0, _size_); }) \ |
| 116 | ({ \ |
| 117 | void *_new_; \ |
| 118 | size_t _size_ = (size); \ |
| 119 | _new_ = alloca_align(_size_, (align))({ void *_ptr_; size_t _mask_ = ((align)) - 1; _ptr_ = __builtin_alloca ((_size_) + _mask_); (void*)(((uintptr_t)_ptr_ + _mask_) & ~_mask_); }); \ |
| 120 | (void*)memset(_new_, 0, _size_); \ |
| 121 | }) |
| 122 | |
| 123 | /* Takes inspiration from Rusts's Option::take() method: reads and returns a pointer, but at the same time resets it to |
| 124 | * NULL. See: https://doc.rust-lang.org/std/option/enum.Option.html#method.take */ |
| 125 | #define TAKE_PTR(ptr)({ typeof(ptr) _ptr_ = (ptr); (ptr) = ((void*)0); _ptr_; }) \ |
| 126 | ({ \ |
| 127 | typeof(ptr) _ptr_ = (ptr); \ |
| 128 | (ptr) = NULL((void*)0); \ |
| 129 | _ptr_; \ |
| 130 | }) |