diff options
Diffstat (limited to 'src/libsystemd/sd-bus/bus-introspect.c')
-rw-r--r-- | src/libsystemd/sd-bus/bus-introspect.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/src/libsystemd/sd-bus/bus-introspect.c b/src/libsystemd/sd-bus/bus-introspect.c deleted file mode 100644 index 8f93edb8da..0000000000 --- a/src/libsystemd/sd-bus/bus-introspect.c +++ /dev/null @@ -1,212 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2013 Lennart Poettering - - systemd 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. - - systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include "bus-internal.h" -#include "bus-introspect.h" -#include "bus-protocol.h" -#include "bus-signature.h" -#include "fd-util.h" -#include "fileio.h" -#include "string-util.h" -#include "util.h" - -int introspect_begin(struct introspect *i, bool trusted) { - assert(i); - - zero(*i); - i->trusted = trusted; - - i->f = open_memstream(&i->introspection, &i->size); - if (!i->f) - return -ENOMEM; - - fputs(BUS_INTROSPECT_DOCTYPE - "<node>\n", i->f); - - return 0; -} - -int introspect_write_default_interfaces(struct introspect *i, bool object_manager) { - assert(i); - - fputs(BUS_INTROSPECT_INTERFACE_PEER - BUS_INTROSPECT_INTERFACE_INTROSPECTABLE - BUS_INTROSPECT_INTERFACE_PROPERTIES, i->f); - - if (object_manager) - fputs(BUS_INTROSPECT_INTERFACE_OBJECT_MANAGER, i->f); - - return 0; -} - -int introspect_write_child_nodes(struct introspect *i, Set *s, const char *prefix) { - char *node; - - assert(i); - assert(prefix); - - while ((node = set_steal_first(s))) { - const char *e; - - e = object_path_startswith(node, prefix); - if (e && e[0]) - fprintf(i->f, " <node name=\"%s\"/>\n", e); - - free(node); - } - - return 0; -} - -static void introspect_write_flags(struct introspect *i, int type, int flags) { - if (flags & SD_BUS_VTABLE_DEPRECATED) - fputs(" <annotation name=\"org.freedesktop.DBus.Deprecated\" value=\"true\"/>\n", i->f); - - if (type == _SD_BUS_VTABLE_METHOD && (flags & SD_BUS_VTABLE_METHOD_NO_REPLY)) - fputs(" <annotation name=\"org.freedesktop.DBus.Method.NoReply\" value=\"true\"/>\n", i->f); - - if (type == _SD_BUS_VTABLE_PROPERTY || type == _SD_BUS_VTABLE_WRITABLE_PROPERTY) { - if (flags & SD_BUS_VTABLE_PROPERTY_EXPLICIT) - fputs(" <annotation name=\"org.freedesktop.systemd1.Explicit\" value=\"true\"/>\n", i->f); - - if (flags & SD_BUS_VTABLE_PROPERTY_CONST) - fputs(" <annotation name=\"org.freedesktop.DBus.Property.EmitsChangedSignal\" value=\"const\"/>\n", i->f); - else if (flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION) - fputs(" <annotation name=\"org.freedesktop.DBus.Property.EmitsChangedSignal\" value=\"invalidates\"/>\n", i->f); - else if (!(flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE)) - fputs(" <annotation name=\"org.freedesktop.DBus.Property.EmitsChangedSignal\" value=\"false\"/>\n", i->f); - } - - if (!i->trusted && - (type == _SD_BUS_VTABLE_METHOD || type == _SD_BUS_VTABLE_WRITABLE_PROPERTY) && - !(flags & SD_BUS_VTABLE_UNPRIVILEGED)) - fputs(" <annotation name=\"org.freedesktop.systemd1.Privileged\" value=\"true\"/>\n", i->f); -} - -static int introspect_write_arguments(struct introspect *i, const char *signature, const char *direction) { - int r; - - for (;;) { - size_t l; - - if (!*signature) - return 0; - - r = signature_element_length(signature, &l); - if (r < 0) - return r; - - fprintf(i->f, " <arg type=\"%.*s\"", (int) l, signature); - - if (direction) - fprintf(i->f, " direction=\"%s\"/>\n", direction); - else - fputs("/>\n", i->f); - - signature += l; - } -} - -int introspect_write_interface(struct introspect *i, const sd_bus_vtable *v) { - assert(i); - assert(v); - - for (; v->type != _SD_BUS_VTABLE_END; v++) { - - /* Ignore methods, signals and properties that are - * marked "hidden", but do show the interface - * itself */ - - if (v->type != _SD_BUS_VTABLE_START && (v->flags & SD_BUS_VTABLE_HIDDEN)) - continue; - - switch (v->type) { - - case _SD_BUS_VTABLE_START: - if (v->flags & SD_BUS_VTABLE_DEPRECATED) - fputs(" <annotation name=\"org.freedesktop.DBus.Deprecated\" value=\"true\"/>\n", i->f); - break; - - case _SD_BUS_VTABLE_METHOD: - fprintf(i->f, " <method name=\"%s\">\n", v->x.method.member); - introspect_write_arguments(i, strempty(v->x.method.signature), "in"); - introspect_write_arguments(i, strempty(v->x.method.result), "out"); - introspect_write_flags(i, v->type, v->flags); - fputs(" </method>\n", i->f); - break; - - case _SD_BUS_VTABLE_PROPERTY: - case _SD_BUS_VTABLE_WRITABLE_PROPERTY: - fprintf(i->f, " <property name=\"%s\" type=\"%s\" access=\"%s\">\n", - v->x.property.member, - v->x.property.signature, - v->type == _SD_BUS_VTABLE_WRITABLE_PROPERTY ? "readwrite" : "read"); - introspect_write_flags(i, v->type, v->flags); - fputs(" </property>\n", i->f); - break; - - case _SD_BUS_VTABLE_SIGNAL: - fprintf(i->f, " <signal name=\"%s\">\n", v->x.signal.member); - introspect_write_arguments(i, strempty(v->x.signal.signature), NULL); - introspect_write_flags(i, v->type, v->flags); - fputs(" </signal>\n", i->f); - break; - } - - } - - return 0; -} - -int introspect_finish(struct introspect *i, sd_bus *bus, sd_bus_message *m, sd_bus_message **reply) { - sd_bus_message *q; - int r; - - assert(i); - assert(m); - assert(reply); - - fputs("</node>\n", i->f); - - r = fflush_and_check(i->f); - if (r < 0) - return r; - - r = sd_bus_message_new_method_return(m, &q); - if (r < 0) - return r; - - r = sd_bus_message_append(q, "s", i->introspection); - if (r < 0) { - sd_bus_message_unref(q); - return r; - } - - *reply = q; - return 0; -} - -void introspect_free(struct introspect *i) { - assert(i); - - safe_fclose(i->f); - - free(i->introspection); - zero(*i); -} |