diff options
Diffstat (limited to 'trunk/avahi-daemon/dbus-util.c')
| -rw-r--r-- | trunk/avahi-daemon/dbus-util.c | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/trunk/avahi-daemon/dbus-util.c b/trunk/avahi-daemon/dbus-util.c deleted file mode 100644 index c9ef949..0000000 --- a/trunk/avahi-daemon/dbus-util.c +++ /dev/null @@ -1,395 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of avahi. - - avahi is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - avahi is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General - Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with avahi; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <assert.h> -#include <stdlib.h> -#include <sys/stat.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <string.h> - -#include <avahi-common/error.h> -#include <avahi-common/dbus.h> -#include <avahi-common/malloc.h> -#include <avahi-core/log.h> -#include <avahi-core/core.h> - -#ifdef ENABLE_CHROOT -#include "chroot.h" -#endif - -#include "main.h" -#include "dbus-util.h" - -DBusHandlerResult avahi_dbus_respond_error(DBusConnection *c, DBusMessage *m, int error, const char *text) { - DBusMessage *reply; - - assert(-error > -AVAHI_OK); - assert(-error < -AVAHI_ERR_MAX); - - if (!text) - text = avahi_strerror(error); - - reply = dbus_message_new_error(m, avahi_error_number_to_dbus(error), text); - dbus_connection_send(c, reply, NULL); - dbus_message_unref(reply); - - avahi_log_debug(__FILE__": Responding error '%s' (%i)", text, error); - - return DBUS_HANDLER_RESULT_HANDLED; -} - -DBusHandlerResult avahi_dbus_respond_string(DBusConnection *c, DBusMessage *m, const char *text) { - DBusMessage *reply; - - reply = dbus_message_new_method_return(m); - dbus_message_append_args(reply, DBUS_TYPE_STRING, &text, DBUS_TYPE_INVALID); - dbus_connection_send(c, reply, NULL); - dbus_message_unref(reply); - - return DBUS_HANDLER_RESULT_HANDLED; -} - -DBusHandlerResult avahi_dbus_respond_int32(DBusConnection *c, DBusMessage *m, int32_t i) { - DBusMessage *reply; - - reply = dbus_message_new_method_return(m); - dbus_message_append_args(reply, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID); - dbus_connection_send(c, reply, NULL); - dbus_message_unref(reply); - - return DBUS_HANDLER_RESULT_HANDLED; -} - -DBusHandlerResult avahi_dbus_respond_uint32(DBusConnection *c, DBusMessage *m, uint32_t u) { - DBusMessage *reply; - - reply = dbus_message_new_method_return(m); - dbus_message_append_args(reply, DBUS_TYPE_UINT32, &u, DBUS_TYPE_INVALID); - dbus_connection_send(c, reply, NULL); - dbus_message_unref(reply); - - return DBUS_HANDLER_RESULT_HANDLED; -} - -DBusHandlerResult avahi_dbus_respond_boolean(DBusConnection *c, DBusMessage *m, int b) { - DBusMessage *reply; - - reply = dbus_message_new_method_return(m); - dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &b, DBUS_TYPE_INVALID); - dbus_connection_send(c, reply, NULL); - dbus_message_unref(reply); - - return DBUS_HANDLER_RESULT_HANDLED; -} - -DBusHandlerResult avahi_dbus_respond_ok(DBusConnection *c, DBusMessage *m) { - DBusMessage *reply; - - reply = dbus_message_new_method_return(m); - dbus_connection_send(c, reply, NULL); - dbus_message_unref(reply); - - return DBUS_HANDLER_RESULT_HANDLED; -} - -DBusHandlerResult avahi_dbus_respond_path(DBusConnection *c, DBusMessage *m, const char *path) { - DBusMessage *reply; - - reply = dbus_message_new_method_return(m); - dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID); - dbus_connection_send(c, reply, NULL); - dbus_message_unref(reply); - - return DBUS_HANDLER_RESULT_HANDLED; -} - -void avahi_dbus_append_server_error(DBusMessage *reply) { - const char *t; - - t = avahi_error_number_to_dbus(avahi_server_errno(avahi_server)); - - dbus_message_append_args( - reply, - DBUS_TYPE_STRING, &t, - DBUS_TYPE_INVALID); -} - -const char *avahi_dbus_map_browse_signal_name(AvahiBrowserEvent e) { - switch (e) { - case AVAHI_BROWSER_NEW : return "ItemNew"; - case AVAHI_BROWSER_REMOVE : return "ItemRemove"; - case AVAHI_BROWSER_FAILURE : return "Failure"; - case AVAHI_BROWSER_CACHE_EXHAUSTED : return "CacheExhausted"; - case AVAHI_BROWSER_ALL_FOR_NOW : return "AllForNow"; - } - - abort(); -} - -const char *avahi_dbus_map_resolve_signal_name(AvahiResolverEvent e) { - switch (e) { - case AVAHI_RESOLVER_FOUND : return "Found"; - case AVAHI_RESOLVER_FAILURE : return "Failure"; - } - - abort(); -} - -static char *file_get_contents(const char *fname) { - int fd = -1; - struct stat st; - ssize_t size; - char *buf = NULL; - - assert(fname); - -#ifdef ENABLE_CHROOT - fd = avahi_chroot_helper_get_fd(fname); -#else - fd = open(fname, O_RDONLY); -#endif - - if (fd < 0) { - avahi_log_error("Failed to open %s: %s", fname, strerror(errno)); - goto fail; - } - - if (fstat(fd, &st) < 0) { - avahi_log_error("stat(%s) failed: %s", fname, strerror(errno)); - goto fail; - } - - if (!(S_ISREG(st.st_mode))) { - avahi_log_error("Invalid file %s", fname); - goto fail; - } - - if (st.st_size > 1024*1024) { /** 1MB */ - avahi_log_error("File too large %s", fname); - goto fail; - } - - buf = avahi_new(char, st.st_size+1); - - if ((size = read(fd, buf, st.st_size)) < 0) { - avahi_log_error("read() failed: %s\n", strerror(errno)); - goto fail; - } - - buf[size] = 0; - - close(fd); - - return buf; - -fail: - if (fd >= 0) - close(fd); - - if (buf) - avahi_free(buf); - - return NULL; - -} - -DBusHandlerResult avahi_dbus_handle_introspect(DBusConnection *c, DBusMessage *m, const char *fname) { - char *contents, *path; - DBusError error; - - assert(c); - assert(m); - assert(fname); - - dbus_error_init(&error); - - if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { - avahi_log_error("Error parsing Introspect message: %s", error.message); - goto fail; - } - - path = avahi_strdup_printf("%s/%s", AVAHI_DBUS_INTROSPECTION_DIR, fname); - contents = file_get_contents(path); - avahi_free(path); - - if (!contents) { - avahi_log_error("Failed to load introspection data."); - goto fail; - } - - avahi_dbus_respond_string(c, m, contents); - avahi_free(contents); - - return DBUS_HANDLER_RESULT_HANDLED; - -fail: - if (dbus_error_is_set(&error)) - dbus_error_free(&error); - - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - -} - -void avahi_dbus_append_string_list(DBusMessage *reply, AvahiStringList *txt) { - AvahiStringList *p; - DBusMessageIter iter, sub; - - assert(reply); - - dbus_message_iter_init_append(reply, &iter); - dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "ay", &sub); - - for (p = txt; p; p = p->next) { - DBusMessageIter sub2; - const uint8_t *data = p->text; - - dbus_message_iter_open_container(&sub, DBUS_TYPE_ARRAY, "y", &sub2); - dbus_message_iter_append_fixed_array(&sub2, DBUS_TYPE_BYTE, &data, p->size); - dbus_message_iter_close_container(&sub, &sub2); - - } - dbus_message_iter_close_container(&iter, &sub); -} - -int avahi_dbus_read_rdata(DBusMessage *m, int idx, void **rdata, uint32_t *size) { - DBusMessageIter iter, sub; - int n, j; - uint8_t *k; - - assert(m); - - dbus_message_iter_init(m, &iter); - - for (j = 0; j < idx; j++) - dbus_message_iter_next(&iter); - - if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_BYTE) - goto fail; - - dbus_message_iter_recurse(&iter, &sub); - dbus_message_iter_get_fixed_array(&sub, &k, &n); - - *rdata = k; - *size = n; - - return 0; - -fail: - avahi_log_warn("Error parsing data"); - - *rdata = NULL; - size = 0; - return -1; -} - -int avahi_dbus_read_strlst(DBusMessage *m, int idx, AvahiStringList **l) { - DBusMessageIter iter, sub; - int j; - AvahiStringList *strlst = NULL; - - assert(m); - assert(l); - - dbus_message_iter_init(m, &iter); - - for (j = 0; j < idx; j++) - dbus_message_iter_next(&iter); - - if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_ARRAY) - goto fail; - - dbus_message_iter_recurse(&iter, &sub); - - for (;;) { - int at, n; - const uint8_t *k; - DBusMessageIter sub2; - - if ((at = dbus_message_iter_get_arg_type(&sub)) == DBUS_TYPE_INVALID) - break; - - assert(at == DBUS_TYPE_ARRAY); - - if (dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_BYTE) - goto fail; - - dbus_message_iter_recurse(&sub, &sub2); - - if (dbus_message_iter_get_array_len(&sub2) > 0) - dbus_message_iter_get_fixed_array(&sub2, &k, &n); - else { - k = (const uint8_t*) ""; - n = 0; - } - - strlst = avahi_string_list_add_arbitrary(strlst, k, n); - - dbus_message_iter_next(&sub); - } - - *l = strlst; - - return 0; - -fail: - avahi_log_warn("Error parsing TXT data"); - - avahi_string_list_free(strlst); - *l = NULL; - return -1; -} - -int avahi_dbus_is_our_own_service(Client *c, AvahiIfIndex interface, AvahiProtocol protocol, const char *name, const char *type, const char *domain) { - AvahiSEntryGroup *g; - - if (avahi_server_get_group_of_service(avahi_server, interface, protocol, name, type, domain, &g) == AVAHI_OK) { - EntryGroupInfo *egi; - - for (egi = c->entry_groups; egi; egi = egi->entry_groups_next) - if (egi->entry_group == g) - return 1; - } - - return 0; -} - -int avahi_dbus_append_rdata(DBusMessage *message, const void *rdata, size_t size) { - DBusMessageIter iter, sub; - - assert(message); - - dbus_message_iter_init_append(message, &iter); - - if (!(dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE_AS_STRING, &sub)) || - !(dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE, &rdata, size)) || - !(dbus_message_iter_close_container(&iter, &sub))) - return -1; - - return 0; -} |