1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/*
Copyright (C) 2009 RedHat inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "dbus.h"
#include "DBusCommon.h"
DBusConnection* s_dbus_conn;
/*
* DBus member calls
*/
/* helpers */
static DBusMessage* new_call_msg(const char* method)
{
DBusMessage* msg = dbus_message_new_method_call(ABRTD_DBUS_NAME, ABRTD_DBUS_PATH, ABRTD_DBUS_IFACE, method);
if (!msg)
die_out_of_memory();
return msg;
}
static DBusMessage* send_get_reply_and_unref(DBusMessage* msg)
{
dbus_uint32_t serial;
if (TRUE != dbus_connection_send(s_dbus_conn, msg, &serial))
error_msg_and_die("Error sending DBus message");
dbus_message_unref(msg);
while (true)
{
DBusMessage *received = dbus_connection_pop_message(s_dbus_conn);
if (!received)
{
if (FALSE == dbus_connection_read_write(s_dbus_conn, -1))
error_msg_and_die("DBus connection closed");
continue;
}
/* Debugging */
/*
const char *sender = dbus_message_get_sender(received);
if (sender)
printf("sender: %s\n", sender);
const char *path = dbus_message_get_path(received);
if (path)
printf("path: %s\n", path);
const char *member = dbus_message_get_member(received);
if (member)
printf("member: %s\n", member);
const char *interface = dbus_message_get_interface(received);
if (interface)
printf("interface: %s\n", interface);
const char *destination = dbus_message_get_destination(received);
if (destination)
printf("destination: %s\n", destination);
*/
DBusError err;
dbus_error_init(&err);
if (dbus_message_is_signal(received, ABRTD_DBUS_IFACE, "Update"))
{
const char *update_msg;
if (!dbus_message_get_args(received, &err,
DBUS_TYPE_STRING, &update_msg,
DBUS_TYPE_INVALID))
{
error_msg_and_die("dbus Update message: arguments mismatch");
}
printf(">> %s\n", update_msg);
}
else if (dbus_message_is_signal(received, ABRTD_DBUS_IFACE, "Warning"))
{
const char *warning_msg;
if (!dbus_message_get_args(received, &err,
DBUS_TYPE_STRING, &warning_msg,
DBUS_TYPE_INVALID))
{
error_msg_and_die("dbus Update message: arguments mismatch");
}
printf(">! %s\n", warning_msg);
}
else if (dbus_message_get_type(received) == DBUS_MESSAGE_TYPE_METHOD_RETURN &&
dbus_message_get_reply_serial(received) == serial)
{
return received;
}
dbus_message_unref(received);
}
}
vector_map_crash_data_t call_GetCrashInfos()
{
DBusMessage* msg = new_call_msg(__func__ + 5);
DBusMessage *reply = send_get_reply_and_unref(msg);
DBusMessageIter in_iter;
dbus_message_iter_init(reply, &in_iter);
vector_map_crash_data_t argout;
int r = load_val(&in_iter, argout);
if (r != ABRT_DBUS_LAST_FIELD) /* more values present, or bad type */
error_msg_and_die("dbus call %s: return type mismatch", __func__ + 5);
dbus_message_unref(reply);
return argout;
}
map_crash_data_t call_CreateReport(const char* uuid)
{
DBusMessage* msg = new_call_msg(__func__ + 5);
dbus_message_append_args(msg,
DBUS_TYPE_STRING, &uuid,
DBUS_TYPE_INVALID);
DBusMessage *reply = send_get_reply_and_unref(msg);
DBusMessageIter in_iter;
dbus_message_iter_init(reply, &in_iter);
map_crash_data_t argout;
int r = load_val(&in_iter, argout);
if (r != ABRT_DBUS_LAST_FIELD) /* more values present, or bad type */
error_msg_and_die("dbus call %s: return type mismatch", __func__ + 5);
dbus_message_unref(reply);
return argout;
}
report_status_t call_Report(const map_crash_data_t& report)
{
DBusMessage* msg = new_call_msg(__func__ + 5);
DBusMessageIter out_iter;
dbus_message_iter_init_append(msg, &out_iter);
store_val(&out_iter, report);
DBusMessage *reply = send_get_reply_and_unref(msg);
DBusMessageIter in_iter;
dbus_message_iter_init(reply, &in_iter);
report_status_t result;
int r = load_val(&in_iter, result);
if (r != ABRT_DBUS_LAST_FIELD) /* more values present, or bad type */
error_msg_and_die("dbus call %s: return type mismatch", __func__ + 5);
dbus_message_unref(reply);
return result;
}
int32_t call_DeleteDebugDump(const char* uuid)
{
DBusMessage* msg = new_call_msg(__func__ + 5);
dbus_message_append_args(msg,
DBUS_TYPE_STRING, &uuid,
DBUS_TYPE_INVALID);
DBusMessage *reply = send_get_reply_and_unref(msg);
DBusMessageIter in_iter;
dbus_message_iter_init(reply, &in_iter);
int32_t result;
int r = load_val(&in_iter, result);
if (r != ABRT_DBUS_LAST_FIELD) /* more values present, or bad type */
error_msg_and_die("dbus call %s: return type mismatch", __func__ + 5);
dbus_message_unref(reply);
return result;
}
#ifdef UNUSED
map_map_string_t call_GetPluginsInfo()
{
DBusMessage *msg = new_call_msg(__func__ + 5);
DBusMessage *reply = send_get_reply_and_unref(msg);
DBusMessageIter in_iter;
dbus_message_iter_init(reply, &in_iter);
map_map_string_t argout;
int r = load_val(&in_iter, argout);
if (r != ABRT_DBUS_LAST_FIELD) /* more values present, or bad type */
error_msg_and_die("dbus call %s: return type mismatch", __func__ + 5);
dbus_message_unref(reply);
return argout;
}
#endif
void handle_dbus_err(bool error_flag, DBusError *err)
{
if (dbus_error_is_set(err))
{
error_msg("dbus error: %s", err->message);
/* dbus_error_free(&err); */
error_flag = true;
}
if (!error_flag)
return;
error_msg_and_die(
"error requesting DBus name %s, possible reasons: "
"abrt run by non-root; dbus config is incorrect; "
"or dbus daemon needs to be restarted to reload dbus config",
ABRTD_DBUS_NAME);
}
|
