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
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/* Copyright (c) 2014, Vsevolod Stakhov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "rspamdclient.h"
#include "util.h"
#include "http.h"
#ifdef HAVE_FETCH_H
#include <fetch.h>
#elif defined(CURL_FOUND)
#include <curl/curl.h>
#endif
struct rspamd_client_request;
/*
* Since rspamd uses untagged HTTP we can pass a single message per socket
*/
struct rspamd_client_connection {
gint fd;
GString *server_name;
struct event_base *ev_base;
struct timeval timeout;
struct rspamd_http_connection *http_conn;
gboolean req_sent;
struct rspamd_client_request *req;
};
struct rspamd_client_request {
struct rspamd_client_connection *conn;
struct rspamd_http_message *msg;
rspamd_client_callback cb;
gpointer ud;
};
#define RCLIENT_ERROR rspamd_client_error_quark ()
GQuark
rspamd_client_error_quark (void)
{
return g_quark_from_static_string ("rspamd-client-error");
}
static gint
rspamd_client_body_handler (struct rspamd_http_connection *conn,
struct rspamd_http_message *msg,
const gchar *chunk, gsize len)
{
/* Do nothing here */
return 0;
}
static void
rspamd_client_error_handler (struct rspamd_http_connection *conn, GError *err)
{
struct rspamd_client_request *req =
(struct rspamd_client_request *)conn->ud;
struct rspamd_client_connection *c;
c = req->conn;
req->cb (c, NULL, c->server_name->str, NULL, req->ud, err);
}
static gint
rspamd_client_finish_handler (struct rspamd_http_connection *conn,
struct rspamd_http_message *msg)
{
struct rspamd_client_request *req =
(struct rspamd_client_request *)conn->ud;
struct rspamd_client_connection *c;
struct ucl_parser *parser;
GError *err;
c = req->conn;
if (!c->req_sent) {
c->req_sent = TRUE;
rspamd_http_connection_reset (c->http_conn);
rspamd_http_connection_read_message (c->http_conn,
c->req,
c->fd,
&c->timeout,
c->ev_base);
return 0;
}
else {
if (msg->body == NULL || msg->body->len == 0 || msg->code != 200) {
err = g_error_new (RCLIENT_ERROR, msg->code, "HTTP error: %d, %s",
msg->code,
msg->status ? msg->status->str : "unknown error");
req->cb (c, msg, c->server_name->str, NULL, req->ud, err);
g_error_free (err);
return -1;
}
parser = ucl_parser_new (0);
if (!ucl_parser_add_chunk (parser, msg->body->str, msg->body->len)) {
err = g_error_new (RCLIENT_ERROR, msg->code, "Cannot parse UCL: %s",
ucl_parser_get_error (parser));
ucl_parser_free (parser);
req->cb (c, msg, c->server_name->str, NULL, req->ud, err);
g_error_free (err);
return -1;
}
req->cb (c, msg, c->server_name->str, ucl_parser_get_object (
parser), req->ud, NULL);
ucl_parser_free (parser);
}
return -1;
}
struct rspamd_client_connection *
rspamd_client_init (struct event_base *ev_base, const gchar *name,
guint16 port, gdouble timeout)
{
struct rspamd_client_connection *conn;
gint fd;
fd = make_universal_socket (name, port, SOCK_STREAM, TRUE, FALSE, TRUE);
if (fd == -1) {
return NULL;
}
conn = g_slice_alloc (sizeof (struct rspamd_client_connection));
conn->ev_base = ev_base;
conn->fd = fd;
conn->req_sent = FALSE;
conn->http_conn = rspamd_http_connection_new (rspamd_client_body_handler,
rspamd_client_error_handler,
rspamd_client_finish_handler,
0,
RSPAMD_HTTP_CLIENT);
conn->server_name = g_string_new (name);
if (port != 0) {
rspamd_printf_gstring (conn->server_name, ":%d", (int)port);
}
double_to_tv (timeout, &conn->timeout);
return conn;
}
gboolean
rspamd_client_command (struct rspamd_client_connection *conn,
const gchar *command, GHashTable *attrs,
FILE *in, rspamd_client_callback cb,
gpointer ud, GError **err)
{
struct rspamd_client_request *req;
gchar *p, *hn, *hv;
gsize remain, old_len;
GHashTableIter it;
req = g_slice_alloc (sizeof (struct rspamd_client_request));
req->conn = conn;
req->cb = cb;
req->ud = ud;
req->msg = rspamd_http_new_message (HTTP_REQUEST);
if (in != NULL) {
/* Read input stream */
req->msg->body = g_string_sized_new (BUFSIZ);
while (!feof (in)) {
p = req->msg->body->str + req->msg->body->len;
remain = req->msg->body->allocated_len - req->msg->body->len - 1;
if (remain == 0) {
old_len = req->msg->body->len;
g_string_set_size (req->msg->body, old_len * 2);
req->msg->body->len = old_len;
continue;
}
remain = fread (p, 1, remain, in);
if (remain > 0) {
req->msg->body->len += remain;
req->msg->body->str[req->msg->body->len] = '\0';
}
}
if (ferror (in) != 0) {
g_set_error (err, RCLIENT_ERROR, ferror (
in), "input IO error: %s", strerror (ferror (in)));
g_slice_free1 (sizeof (struct rspamd_client_request), req);
return FALSE;
}
}
else {
req->msg->body = NULL;
}
/* Convert headers */
g_hash_table_iter_init (&it, attrs);
while (g_hash_table_iter_next (&it, (gpointer *)&hn, (gpointer *)&hv)) {
rspamd_http_message_add_header (req->msg, hn, hv);
}
g_string_append_c (req->msg->url, '/');
g_string_append (req->msg->url, command);
conn->req = req;
rspamd_http_connection_write_message (conn->http_conn, req->msg, NULL,
"text/plain", req, conn->fd, &conn->timeout, conn->ev_base);
return TRUE;
}
void
rspamd_client_destroy (struct rspamd_client_connection *conn)
{
if (conn != NULL) {
rspamd_http_connection_unref (conn->http_conn);
if (conn->req != NULL) {
g_slice_free1 (sizeof (struct rspamd_client_request), conn->req);
}
close (conn->fd);
g_string_free (conn->server_name, TRUE);
g_slice_free1 (sizeof (struct rspamd_client_connection), conn);
}
}
|
