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
|
/* Monkey HTTP Daemon
* ------------------
* Copyright (C) 2012, Lauri Kasanen <cand@gmx.com>
*
* 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 Library 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 <libmonkey.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "image.h"
/*
* This example shows a simple quiz. It includes POST data handling, and
* an image embedded in the code.
*/
enum {
bufsize = 4096
};
static char buf[bufsize];
static void front() {
sprintf(buf, "<html><body><center><h2>Hello friend."
" Have you seen this guy?</h2>\n"
"<br><br><img src=\"/image.png\">"
"<br><br><form action=/ method=post>"
"<input type=radio name=q1 value=yes>Why yes I have<br>"
"<input type=radio name=q1 value=no>No, who's he?<br>"
"<input type=radio name=q1 value=who>Canada<hr width='20%%'>"
"<input type=submit>"
"</form>"
"</center></body></html>");
}
static void points() {
sprintf(buf, "<html><body><center><h2>Correct!</h2>\n"
"<br><br><a href='http://monkey-project.com'>Visit him.</a>"
"</center></body></html>");
}
static void wrong() {
sprintf(buf, "<html><body><center><h2>I'm a sad puppy.</h2>\n"
"</center></body></html>");
}
static int list(const mklib_session *sr, const char *vhost, const char *url,
const char *get, unsigned long getlen,
const char *post, unsigned long postlen,
unsigned int *status, const char **content, unsigned long *content_len,
char *header) {
if (strcmp(url, "/image.png") == 0) {
*content = (char *) monkey_head_png;
*content_len = sizeof(monkey_head_png);
sprintf(header, "Content-type: image/png");
return MKLIB_TRUE;
}
if (!post) {
front();
} else {
if (strstr(post, "q1=who") || strstr(post, "q1=yes"))
points();
else
wrong();
}
*content = buf;
*content_len = strlen(buf);
sprintf(header, "Content-type: text/html");
// TRUE here means we handled this request.
return MKLIB_TRUE;
}
/* The callback setting interface can't check the callback for compatibility.
* This makes sure the callback function has the right arguments. */
static cb_data listf = list;
int main() {
// Bind to all interfaces, port 2001, default plugins, no directory.
// Lacking the directory means that no files can be accessed, just what we want.
// We use the data callback.
mklib_ctx ctx = mklib_init(NULL, 0, 0, NULL);
if (!ctx) return 1;
mklib_callback_set(ctx, MKCB_DATA, listf);
// Start the server.
mklib_start(ctx);
// I'm now free to do my own things. I'm just going to wait for a keypress.
printf("All set and running! Visit me, I default to localhost:2001.\n");
printf("Press a key to exit.\n");
getchar();
mklib_stop(ctx);
return 0;
}
|
