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annotate network.h @ 599:eeea75b8b6f3

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Implement proxy user id setting.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 08 May 2014 16:14:09 +0300
parents f9fb2a96a0c9
children 4bae14092b78
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1 /*
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2 * NNChat - Custom chat client for NewbieNudes.com chatrooms
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3 * Written by Matti 'ccr' Hämäläinen
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4 * (C) Copyright 2008-2013 Tecnic Software productions (TNSP)
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5 */
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6 #ifndef LIBNNCHAT_H
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7 #define LIBNNCHAT_H
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8
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9 #include <stdio.h>
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10 #include <unistd.h>
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11 #include "th_types.h"
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12 #include "th_string.h"
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13
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14 #ifdef __WIN32
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15 #define __OBJC_BOOL // A nasty hack
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16 #include <windows.h>
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17 #include <winsock.h>
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18 typedef uint16_t in_port_t;
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19 typedef uint32_t in_addr_t;
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20 #else
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21 #include <sys/select.h>
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22 #include <sys/socket.h>
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23 #ifdef HAVE_NETINET_IN_H
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24 #include <netinet/in.h>
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25 #endif
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26 #include <arpa/inet.h>
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27 #include <netdb.h>
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28 #endif
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29
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30
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31 #define NN_CONNBUF_SIZE (64 * 1024)
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32 #define NN_DELAY_USEC (15 * 1000)
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33 #define NN_DUMP_BYTES 16
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34
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35
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36 enum
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37 {
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38 NN_CONN_UNINIT = 0,
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39 NN_CONN_PROXY_NEG,
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40 NN_CONN_OPEN,
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41 NN_CONN_CLOSED
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42 };
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43
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44 enum
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45 {
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46 NN_PROXY_NONE = 0,
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47 NN_PROXY_SOCKS4,
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48 NN_PROXY_SOCKS4A,
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49
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50 NN_PROXY_LAST
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51 };
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52
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53 enum
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54 {
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55 SOCKS_CMD_CONNECT = 1,
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56 SOCKS_CMD_BIND = 2
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57 };
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58
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59 struct nn_socks_t
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60 {
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61 uint8_t version;
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62 uint8_t command;
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63 in_port_t port;
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64 in_addr_t addr;
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65 } __attribute__((__packed__));
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66
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67 struct nn_socks_res_t
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68 {
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69 uint8_t nb;
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70 uint8_t result;
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71 in_port_t port;
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72 in_addr_t addr;
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73 } __attribute__((__packed__));
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74
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75 typedef struct _nn_conn_t
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76 {
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77 struct
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78 {
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79 char *host;
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80 struct hostent *hst;
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81 int type;
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82 int port;
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83 struct in_addr addr;
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84 char *userid;
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85 } proxy;
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86
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87 char *host;
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88 struct hostent *hst;
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89 int port;
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90
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91 int socket;
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92 struct in_addr addr;
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93 fd_set sockfds;
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94
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95 void (*errfunc)(struct _nn_conn_t *conn, const char *msg);
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96 void (*msgfunc)(struct _nn_conn_t *conn, const char *msg);
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97
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98 int err;
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99 int status;
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100
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101 char buf[NN_CONNBUF_SIZE + 16];
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102 char *ptr, *in_ptr;
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103 ssize_t got_bytes, total_bytes;
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104 } nn_conn_t;
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105
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106
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107 const char *nn_get_errstr(int err);
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108 BOOL nn_network_init();
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109 void nn_network_close(void);
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110
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111 struct hostent *nn_resolve_host(nn_conn_t *conn, const char *name);
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112 nn_conn_t * nn_conn_new(
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113 void (*errfunc)(nn_conn_t *conn, const char *msg),
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114 void (*msgfunc)(nn_conn_t *conn, const char *msg));
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115
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116 int nn_conn_set_proxy(nn_conn_t *conn, int type, int port, const char *host, const char *userid);
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117 int nn_conn_open(nn_conn_t *conn, const int port, const char *host);
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118 void nn_conn_close(nn_conn_t *);
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119 void nn_conn_reset(nn_conn_t *);
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120 int nn_conn_pull(nn_conn_t *);
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121 BOOL nn_conn_send_buf(nn_conn_t *, const char *buf, const size_t len);
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122 BOOL nn_conn_send_msg(nn_conn_t *, const char *user, const char *str);
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123 BOOL nn_conn_send_msg_v(nn_conn_t *, const char *user, const char *fmt, ...);
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124 BOOL nn_conn_check(nn_conn_t *);
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125
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126
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127 BOOL nn_conn_buf_check(nn_conn_t *conn, size_t n);
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128 BOOL nn_conn_buf_skip(nn_conn_t *conn, size_t n);
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129 int nn_conn_buf_strncmp(nn_conn_t *conn, const char *str, const size_t n);
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130 int nn_conn_buf_strcmp(nn_conn_t *conn, const char *str);
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131 char * nn_conn_buf_strstr(nn_conn_t *conn, const char *str);
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132
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133 void nn_conn_dump_buffer(FILE *f, nn_conn_t *conn);
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134
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135 #endif