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
|
/***************************************************Project Mutator****************************************************/
/*first line intentionally left blank.*/
/*Copyright (C) 2017 Farzad Sadeghi
This source file contains mutator's client as a standalone.
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.*/
/**********************************************************************************************************************/
/*macros*/
#define __DBG
#if 1
#undef __DBG
#endif
/**********************************************************************************************************************/
/*inclusion directive*/
#include "mutatorclient.h"
/*standard header libraries*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
/**********************************************************************************************************************/
int main(int argc, char *argv[])
{
int sock;
struct sockaddr_in server;
char message[1000];
char server_reply[2000];
int recvlength;
/*create socket*/
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock == -1)
{
printf ("could not create socket");
exit(EXIT_FAILURE);
}
puts("created socket");
server.sin_addr.s_addr = inet_addr("127.0.0.1");
server.sin_family = AF_INET;
server.sin_port = htons(8888);
memset(server.sin_zero, 0, 8);
/*connect to remote server*/
if (connect(sock, (struct sockaddr*)&server, sizeof(server)) < 0)
{
perror("connect failed.error.");
return 1;
}
puts("connected.");
/*keep communicating with the server.*/
while(1)
{
printf("enter massage: ");
/*@DEVI-should later do something about reading from stdin*/
if (fgets(message, 1000, stdin) == NULL)
{
puts("could not read from stdin");
}
puts("read from stdin.");
if (strncmp(message, "end_comm", 8) == 0)
{
puts("client terminated.");
break;
}
/*send some data*/
if (send(sock, message, strlen(message), 0) < 0)
{
puts("send fialed.");
return 1;
}
puts("message sent.");
puts(message);
sleep(1);
fflush(stdin);
#if defined(__DBG)
puts("checkpoint 11");
#endif
/*recieve a reply from the server*/
recvlength = recv(sock, server_reply, 2000, 0);
#if defined(__DBG)
puts("checkpoint 12");
#endif
if (recvlength < 0)
{
puts("recv failed.");
break;
}
else if (recvlength == 0)
{
puts("server sent no output.");
}
else
{
puts("server reply: ");
puts(server_reply);
}
for (int i = 0; i < 2000; ++i)
{
server_reply[i] = 0;
}
fflush(stdout);
}
close(sock);
return 0;
}
/**********************************************************************************************************************/
/*last line intentionally left blank*/
|
