annotate th_network.c @ 122:452adc41ccf5

Remember to free the connection data buffer.
author Matti Hamalainen <ccr@tnsp.org>
date Sun, 22 Jun 2014 02:45:06 +0300
parents 8c39e8e90dbd
children c8584cf52c98
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102
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1 /*
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2 * Simple TCP network connection handling
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3 * Programmed and designed by Matti 'ccr' Hamalainen
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4 * (C) Copyright 2013-2014 Tecnic Software productions (TNSP)
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5 *
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6 * Please read file 'COPYING' for information on license and distribution.
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7 */
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8 #include "th_network.h"
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9 #include "th_string.h"
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10 #include <errno.h>
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11
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12
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13 static BOOL th_network_inited = FALSE;
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14 static qlist_t *th_conn_list = NULL;
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15
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16
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17 enum
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18 {
121
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19 SOCKS5_AUTH_NONE = 0,
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20 SOCKS5_AUTH_USER = 2,
102
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21 };
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22
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23
121
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24 enum
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25 {
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26 SOCKS5_ADDR_IPV4 = 0x01,
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27 SOCKS5_ADDR_DOMAIN = 0x03,
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28 SOCKS5_ADDR_IPV6 = 0x04,
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29 };
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30
102
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31 static const char *th_proxy_types[] =
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32 {
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33 "none",
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34 "SOCKS 4",
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35 "SOCKS 4a",
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36 "SOCKS 5",
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37 NULL
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38 };
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39
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40
121
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41 static const char *th_socks5_results_msgs[] =
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42 {
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43 "Succeeded",
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44 "General SOCKS server failure",
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45 "Connection not allowed by ruleset",
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46 "Network unreachable",
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47 "Host unreachable",
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48 "Connection refused",
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49 "TTL expired",
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50 "Command not supported",
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51 "Address type not supported",
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52 };
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53
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54 static const int th_socks5_results_msgs_num = sizeof(th_socks5_results_msgs) / sizeof(th_socks5_results_msgs[0]);
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55
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56
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57
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58 static int th_get_socket_errno(void)
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59 {
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60 return errno;
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61 }
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62
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63
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64 void th_conn_err(th_conn_t *conn, int err, const char *fmt, ...)
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65 {
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66 if (conn->errfunc != NULL)
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67 {
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68 char *msg;
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69 va_list ap;
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70 va_start(ap, fmt);
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71 msg = th_strdup_vprintf(fmt, ap);
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72 va_end(ap);
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73
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74 conn->errfunc(conn, err, msg);
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75 th_free(msg);
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76 }
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77 }
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78
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79
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80 void th_conn_msg(th_conn_t *conn, int loglevel, const char *fmt, ...)
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81 {
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82 if (conn->msgfunc != NULL)
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83 {
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84 char *msg;
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85 va_list ap;
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86 va_start(ap, fmt);
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87 msg = th_strdup_vprintf(fmt, ap);
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88 va_end(ap);
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89
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90 conn->msgfunc(conn, loglevel, msg);
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91 th_free(msg);
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92 }
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93 }
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94
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95
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96 struct hostent *th_resolve_host(th_conn_t *conn, const char *name)
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97 {
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98 struct hostent *res = gethostbyname(name);
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99
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100 if (res == NULL)
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101 {
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102 th_conn_err(conn, h_errno,
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103 "Could not resolve hostname '%s': %s\n",
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104 name, th_error_str(h_errno));
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105 }
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106 else
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107 {
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108 th_conn_msg(conn, THLOG_INFO, "True hostname for %s is %s\n",
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109 name, res->h_name);
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110 }
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111
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112 return res;
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113 }
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114
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115
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116 th_conn_t * th_conn_new(
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117 void (*errfunc)(th_conn_t *conn, int err, const char *msg),
103
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118 void (*msgfunc)(th_conn_t *conn, int loglevel, const char *msg),
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119 ssize_t bufsize)
102
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120 {
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121 th_conn_t *conn = th_malloc0(sizeof(th_conn_t));
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122
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123 if (conn == NULL)
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124 return NULL;
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125
122
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126 // Set function pointers
102
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127 conn->errfunc = errfunc;
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128 conn->msgfunc = msgfunc;
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129
122
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130 // Allocate connection data buffer
103
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131 conn->bufsize = (bufsize <= 0) ? TH_CONNBUF_SIZE : bufsize;
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132 if ((conn->buf = th_malloc(conn->bufsize)) == NULL)
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133 {
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134 th_free(conn);
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135 return NULL;
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136 }
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137
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138 return conn;
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139 }
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140
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141
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142 static BOOL th_get_addr(struct in_addr *addr, struct hostent *hst)
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143 {
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parents:
diff changeset
144 if (hst != NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
145 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
146 *addr = *(struct in_addr *) (hst->h_addr);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
147 return TRUE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
148 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
149 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
150 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
151 addr->s_addr = 0;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
152 return FALSE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
153 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
154 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
155
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
156
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
157 int th_conn_set_proxy(th_conn_t *conn, int type, int port, const char *host, int auth_type)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
158 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
159 if (conn == NULL)
104
ec5a5e573885 Return real error values.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
160 return THERR_NULLPTR;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
161
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
162 conn->proxy.type = type;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
163 conn->proxy.port = port;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
164 conn->proxy.auth_type = auth_type;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
165
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
166 th_free(conn->proxy.host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
167 conn->proxy.host = th_strdup(host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
168
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
169 if (host != NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
170 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
171 conn->proxy.hst = th_resolve_host(conn, host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
172 th_get_addr(&(conn->proxy.addr), conn->proxy.hst);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
173 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
174 else
104
ec5a5e573885 Return real error values.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
175 return THERR_INVALID_DATA;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
176
104
ec5a5e573885 Return real error values.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
177 return THERR_OK;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
178 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
179
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
180
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
181 int th_conn_set_proxy_mode(th_conn_t *conn, const int mode)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
182 {
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
183 if (conn == NULL)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
184 return THERR_NULLPTR;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
185
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
186 conn->proxy.mode = mode;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
187
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
188 return THERR_OK;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
189 }
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
190
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
191
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
192 int th_conn_set_proxy_addr_type(th_conn_t *conn, const int atype)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
193 {
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
194 if (conn == NULL)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
195 return THERR_NULLPTR;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
196
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
197 conn->proxy.addr_type = atype;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
198
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
199 return THERR_OK;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
200 }
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
201
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
202
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
203 int th_conn_set_proxy_auth_user(th_conn_t *conn, const char *userid, const char *passwd)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
204 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
205 if (conn == NULL)
104
ec5a5e573885 Return real error values.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
206 return THERR_NULLPTR;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
207
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
208 th_free(conn->proxy.userid);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
209 conn->proxy.userid = th_strdup(userid);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
210
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
211 th_free(conn->proxy.passwd);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
212 conn->proxy.passwd = th_strdup(passwd);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
213
104
ec5a5e573885 Return real error values.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
214 return THERR_OK;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
215 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
216
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
217
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
218 static int th_conn_proxy_wait(th_conn_t *conn)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
219 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
220 int status, tries;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
221
119
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
222 for (status = TH_CONN_NO_DATA, tries = 1; tries <= 20 && status != TH_CONN_DATA_AVAIL; tries++)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
223 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
224 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
225 Sleep(50);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
226 #else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
227 usleep(50000);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
228 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
229 th_conn_reset(conn);
119
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
230 switch (status = th_conn_pull(conn))
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
231 {
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
232 case TH_CONN_ERROR:
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
233 th_conn_err(conn, status, "Proxy negotiation failed at try %d with network error: %s.\n",
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
234 tries, th_error_str(conn->err));
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
235 break;
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
236
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
237 case TH_CONN_DATA_AVAIL:
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
238 case TH_CONN_NO_DATA:
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
239 break;
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
240
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
241 default:
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
242 return status;
38a39a9e3a1d Fix proxy negotiation.
Matti Hamalainen <ccr@tnsp.org>
parents: 118
diff changeset
243 }
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
244 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
245
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
246 if (status != TH_CONN_DATA_AVAIL)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
247 th_conn_err(conn, THERR_TIMED_OUT, "Proxy negotiation timed out.\n");
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
248
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
249 return status;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
250 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
251
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
252
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
253 static int th_conn_proxy_send(th_conn_t *conn, th_growbuf_t *buf)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
254 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
255 th_conn_reset(conn);
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
256 return th_conn_send_growbuf(conn, buf);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
257 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
258
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
259
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
260 static int th_conn_socks4_negotiate(th_conn_t *conn, const int port, const char *host)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
261 {
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
262 th_growbuf_t buf;
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
263 uint8_t *ptr;
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
264 int cmd, err = THERR_INIT_FAIL;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
265
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
266 (void) host;
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
267 th_growbuf_init(&buf, 128);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
268 th_conn_msg(conn, THLOG_INFO, "Initializing SOCKS 4/a proxy negotiation.\n");
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
269
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
270 switch (conn->proxy.mode)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
271 {
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
272 case TH_PROXY_CMD_CONNECT: cmd = 1; break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
273 case TH_PROXY_CMD_BIND: cmd = 2; break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
274 default:
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
275 err = THERR_NOT_SUPPORTED;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
276 th_conn_err(conn, err, "Invalid SOCKS 4 command/mode, unsupported.\n");
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
277 goto out;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
278 }
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
279
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
280 // Create SOCKS 4 handshake
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
281 th_growbuf_put_u8(&buf, 4); // Protocol version
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
282 th_growbuf_put_u8(&buf, cmd); // Command
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
283 th_growbuf_put_u16_be(&buf, port);
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
284
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
285 switch (conn->proxy.addr_type)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
286 {
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
287 case TH_PROXY_ADDR_IPV4:
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
288 th_growbuf_put_str(&buf, (uint8_t *) &(conn->addr.s_addr), sizeof(conn->addr.s_addr));
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
289 break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
290
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
291 case TH_PROXY_ADDR_DOMAIN:
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
292 if (conn->proxy.type == TH_PROXY_SOCKS4A)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
293 th_growbuf_put_u32_be(&buf, 0x00000032);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
294 else
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
295 {
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
296 err = THERR_INIT_FAIL;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
297 th_conn_err(conn, err,
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
298 "Invalid proxy settings, SOCKS 4 in use, but domain address type requested. SOCKS 4a or 5 required for host atype.\n");
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
299 goto out;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
300 }
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
301 break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
302
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
303 default:
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
304 err = THERR_INIT_FAIL;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
305 th_conn_err(conn, err,
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
306 "Invalid proxy settings for SOCKS 4, unsupported address type requrested.\n");
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
307 goto out;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
308 }
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
309
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
310 th_growbuf_puts(&buf, conn->proxy.userid, TRUE);
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
311 if (conn->proxy.addr_type == TH_PROXY_ADDR_DOMAIN)
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
312 th_growbuf_puts(&buf, conn->host, TRUE);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
313
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
314 // Send request
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
315 if ((err = th_conn_proxy_send(conn, &buf)) != THERR_OK)
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
316 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
317
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
318 // Wait for SOCKS server to reply
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
319 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL)
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
320 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
321
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
322 ptr = (uint8_t*) conn->buf;
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
323 if (*ptr != 0)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
324 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
325 err = THERR_INIT_FAIL;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
326 th_conn_err(conn, err,
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
327 "Invalid SOCKS 4 server reply, does not begin with NUL byte (%d).\n",
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
328 *ptr);
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
329 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
330 }
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
331
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
332 ptr++;
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
333 if (*ptr != 0x5a)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
334 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
335 const char *s = NULL;
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
336 switch (*ptr)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
337 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
338 case 0x5b: s = "Request rejected or failed"; break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
339 case 0x5c: s = "Request failed because client is not running identd (or not reachable from the server)"; break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
340 case 0x5d: s = "Request failed because client's identd could not confirm the user ID string in the request"; break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
341 default: s = "Unknown SOCKS 4 error response"; break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
342 }
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
343
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
344 err = THERR_INIT_FAIL;
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
345 th_conn_err(conn, err, "SOCKS 4 setup failed, 0x%02x: %s.\n", *ptr, s);
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
346 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
347 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
348
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
349 err = THERR_OK;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
350
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
351 out:
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
352 th_growbuf_free(&buf);
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
353 return err;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
354 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
355
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
356
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
357 static int th_conn_socks5_negotiate(th_conn_t *conn, const int port, const char *host)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
358 {
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
359 th_growbuf_t buf;
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
360 uint8_t *ptr;
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
361 int cmd, avail, auth, err = THERR_INIT_FAIL;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
362
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
363 th_growbuf_init(&buf, 256);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
364 th_conn_msg(conn, THLOG_INFO, "Initializing SOCKS 5 proxy negotiation.\n");
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
365
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
366 switch (conn->proxy.mode)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
367 {
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
368 case TH_PROXY_CMD_CONNECT: cmd = 1; break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
369 case TH_PROXY_CMD_BIND: cmd = 2; break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
370 case TH_PROXY_CMD_ASSOC_UDP: cmd = 3; break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
371 default:
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
372 err = THERR_NOT_SUPPORTED;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
373 th_conn_err(conn, err, "Invalid SOCKS 5 command/mode, unsupported.\n");
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
374 goto out;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
375 }
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
376
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
377 switch (conn->proxy.auth_type)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
378 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
379 case TH_PROXY_AUTH_NONE:
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
380 avail = 1;
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
381 auth = SOCKS5_AUTH_NONE;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
382 break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
383
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
384 case TH_PROXY_AUTH_USER:
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
385 avail = 2;
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
386 auth = SOCKS5_AUTH_USER;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
387 if (conn->proxy.userid == NULL || conn->proxy.passwd == NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
388 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
389 err = THERR_INVALID_DATA;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
390 th_conn_err(conn, err,
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
391 "SOCKS 5 user authentication chosen, but no user/pass set.\n");
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
392 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
393 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
394
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
395 if (strlen(conn->proxy.userid) > 255 ||
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
396 strlen(conn->proxy.passwd) > 255)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
397 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
398 err = THERR_INVALID_DATA;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
399 th_conn_err(conn, err,
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
400 "SOCKS 5 proxy userid or password is too long.\n");
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
401 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
402 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
403 break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
404
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
405 default:
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
406 err = THERR_NOT_SUPPORTED;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
407 th_conn_err(conn, err,
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
408 "Unsupported proxy authentication method %d.\n",
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
409 conn->proxy.auth_type);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
410 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
411 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
412
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
413
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
414 // Form handshake packet
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
415 th_growbuf_clear(&buf);
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
416 th_growbuf_put_u8(&buf, 0x05); // Protocol version
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
417 th_growbuf_put_u8(&buf, avail); // # of available auth methods
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
418 th_growbuf_put_u8(&buf, auth);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
419
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
420 // Send request
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
421 if ((err = th_conn_proxy_send(conn, &buf)) != THERR_OK)
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
422 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
423
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
424 // Wait for SOCKS server to reply
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
425 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL)
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
426 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
427
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
428 ptr = (uint8_t *) conn->buf;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
429 if (*ptr != 0x05)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
430 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
431 err = THERR_INVALID_DATA;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
432 th_conn_err(conn, err,
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
433 "Invalid SOCKS 5 server reply, does not begin with protocol version byte (%d).\n", *ptr);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
434 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
435 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
436 ptr++;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
437 auth = *ptr;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
438
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
439 if (auth == 0xff)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
440 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
441 err = THERR_NOT_SUPPORTED;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
442 th_conn_err(conn, err,
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
443 "No authentication method could be negotiated with the server.\n");
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
444 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
445 }
114
b44a0308b53f Add missing else statement.
Matti Hamalainen <ccr@tnsp.org>
parents: 113
diff changeset
446 else
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
447 if (auth == SOCKS5_AUTH_USER)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
448 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
449 // Attempt user/pass authentication (RFC 1929)
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
450 th_growbuf_clear(&buf);
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
451
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
452 th_growbuf_put_u8(&buf, 0x01);
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
453 th_growbuf_put_u8(&buf, strlen(conn->proxy.userid));
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
454 th_growbuf_puts(&buf, conn->proxy.userid, FALSE);
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
455 th_growbuf_put_u8(&buf, strlen(conn->proxy.passwd));
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
456 th_growbuf_puts(&buf, conn->proxy.passwd, FALSE);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
457
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
458 // Send request
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
459 if ((err = th_conn_proxy_send(conn, &buf)) != THERR_OK)
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
460 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
461
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
462 // Wait for SOCKS server to reply
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
463 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL)
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
464 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
465
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
466 ptr = (uint8_t *) conn->buf;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
467 if (*ptr != 0x01)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
468 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
469 err = THERR_INVALID_DATA;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
470 th_conn_err(conn, err,
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
471 "Invalid SOCKS 5 server reply, does not begin with protocol version byte (%d).\n", *ptr);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
472 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
473 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
474 ptr++;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
475 if (*ptr != 0)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
476 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
477 err = THERR_AUTH_FAILED;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
478 th_conn_err(conn, err,
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
479 "SOCKS 5 proxy user/pass authentication failed! Code %d.\n", *ptr);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
480 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
481 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
482 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
483 else
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
484 if (auth != SOCKS5_AUTH_NONE)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
485 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
486 err = THERR_NOT_SUPPORTED;
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
487 th_conn_err(conn, err,
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
488 "Proxy server chose an unsupported SOCKS 5 authentication method %d.\n",
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
489 auth);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
490 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
491 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
492
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
493 #if 1
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
494 // Form client connection request packet
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
495 th_growbuf_clear(&buf);
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
496 th_growbuf_put_u8(&buf, 0x05); // Protocol version
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
497 th_growbuf_put_u8(&buf, cmd); // Command
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
498 th_growbuf_put_u8(&buf, 0x00); // Reserved
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
499
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
500 switch (conn->proxy.addr_type)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
501 {
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
502 case TH_PROXY_ADDR_IPV4:
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
503 th_growbuf_put_u8(&buf, SOCKS5_ADDR_IPV4);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
504 th_growbuf_put_str(&buf, (uint8_t *) &(conn->addr.s_addr), sizeof(conn->addr.s_addr));
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
505 break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
506
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
507 case TH_PROXY_ADDR_IPV6:
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
508 th_growbuf_put_u8(&buf, SOCKS5_ADDR_IPV6);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
509 //th_growbuf_put_str(&buf, (uint8_t *) &(conn->addr.s_addr), sizeof(conn->addr.s_addr));
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
510 break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
511
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
512 case TH_PROXY_ADDR_DOMAIN:
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
513 cmd = strlen(conn->host);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
514 if (cmd < 1 || cmd > 255)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
515 {
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
516 err = THERR_NOT_SUPPORTED;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
517 th_conn_err(conn, err,
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
518 "Domain address type requested, but domain name longer than 255 characters (%d).\n", cmd);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
519 goto out;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
520 }
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
521
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
522 th_growbuf_put_u8(&buf, SOCKS5_ADDR_DOMAIN);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
523 th_growbuf_put_u8(&buf, cmd);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
524 th_growbuf_put_str(&buf, conn->host, cmd);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
525 break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
526 }
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
527
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
528 th_growbuf_put_u16_be(&buf, port);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
529
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
530 // Send request
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
531 if ((err = th_conn_proxy_send(conn, &buf)) != THERR_OK)
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
532 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
533
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
534 // Wait for SOCKS server to reply
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
535 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL)
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
536 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
537
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
538 ptr = (uint8_t *) conn->buf;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
539 if (*ptr != 0x05)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
540 {
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
541 err = THERR_INVALID_DATA;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
542 th_conn_err(conn, err,
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
543 "Invalid SOCKS 5 server reply, does not begin with protocol version byte (%d).\n", *ptr);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
544 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
545 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
546 ptr++;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
547 if (*ptr != 0)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
548 {
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
549 err = THERR_INIT_FAIL;
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
550 if (*ptr < th_socks5_results_msgs_num)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
551 th_conn_err(conn, err, "SOCKS 5 error: %s.\n", th_socks5_results_msgs[*ptr]);
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
552 else
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
553 th_conn_err(conn, err, "Unknown SOCKS 5 result code 0x02x.\n", *ptr);
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
554 goto out;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
555 }
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
556 ptr++;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
557 if (*ptr != 0)
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
558 {
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
559 err = THERR_INIT_FAIL;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
560 th_conn_err(conn, err, "wot.\n");
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
561 goto out;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
562 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
563
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
564 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
565
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
566 err = THERR_OK;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
567
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
568 out:
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
569 th_growbuf_free(&buf);
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
570 return err;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
571 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
572
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
573
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
574 int th_conn_open(th_conn_t *conn, const int port, const char *host)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
575 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
576 struct sockaddr_in dest;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
577 int err = THERR_INIT_FAIL;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
578
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
579 if (conn == NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
580 return THERR_NULLPTR;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
581
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
582 conn->port = port;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
583 if (host != NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
584 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
585 conn->host = th_strdup(host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
586 conn->hst = th_resolve_host(conn, host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
587 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
588
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
589 th_get_addr(&(conn->addr), conn->hst);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
590
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
591 // Prepare for connection
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
592 dest.sin_family = AF_INET;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
593
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
594 if (conn->proxy.type > TH_PROXY_NONE && conn->proxy.type < TH_PROXY_LAST)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
595 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
596 // If using a proxy, we connect to the proxy server
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
597 dest.sin_port = htons(conn->proxy.port);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
598 dest.sin_addr = conn->proxy.addr;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
599
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
600 th_conn_msg(conn, THLOG_INFO, "Connecting to %s proxy %s:%d ...\n",
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
601 th_proxy_types[conn->proxy.type],
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
602 inet_ntoa(conn->proxy.addr), conn->proxy.port);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
603 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
604 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
605 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
606 dest.sin_port = htons(conn->port);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
607 dest.sin_addr = conn->addr;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
608
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
609 th_conn_msg(conn, THLOG_INFO, "Connecting to %s:%d ...\n",
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
610 inet_ntoa(conn->addr), conn->port);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
611 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
612
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
613 if ((conn->socket = socket(PF_INET, SOCK_STREAM, 0)) == -1)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
614 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
615 err = th_errno_to_error(th_get_socket_errno());
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
616 th_conn_err(conn, err, "Could not open socket: %s\n", th_error_str(err));
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
617 goto error;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
618 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
619
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
620 if (connect(conn->socket, (struct sockaddr *) &dest, sizeof(dest)) == -1)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
621 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
622 err = th_errno_to_error(th_get_socket_errno());
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
623 th_conn_err(conn, err, "Could not connect: %s\n", th_error_str(err));
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
624 goto error;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
625 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
626
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
627 FD_ZERO(&(conn->sockfds));
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
628 FD_SET(conn->socket, &(conn->sockfds));
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
629
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
630 // Proxy-specific setup
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
631 switch (conn->proxy.type)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
632 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
633 case TH_PROXY_SOCKS4:
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
634 case TH_PROXY_SOCKS4A:
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
635 if ((err = th_conn_socks4_negotiate(conn, port, host)) != THERR_OK)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
636 goto error;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
637 th_conn_msg(conn, THLOG_INFO, "SOCKS 4 connection established!\n");
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
638 break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
639
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
640 case TH_PROXY_SOCKS5:
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
641 if ((err = th_conn_socks5_negotiate(conn, port, host)) != THERR_OK)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
642 goto error;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
643 th_conn_msg(conn, THLOG_INFO, "SOCKS 5 connection established!\n");
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
644 break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
645 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
646
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
647 th_conn_reset(conn);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
648 conn->status = TH_CONN_OPEN;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
649
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
650 // Insert to connection list
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
651 conn->node = th_llist_append(&th_conn_list, conn);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
652
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
653 return THERR_OK;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
654
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
655 error:
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
656 th_conn_close(conn);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
657 return err;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
658 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
659
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
660
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
661 int th_conn_close(th_conn_t *conn)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
662 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
663 if (conn == NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
664 return -1;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
665
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
666 if (conn->socket >= 0)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
667 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
668 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
669 closesocket(conn->socket);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
670 #else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
671 close(conn->socket);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
672 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
673 conn->socket = -1;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
674 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
675
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
676 conn->status = TH_CONN_CLOSED;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
677 return 0;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
678 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
679
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
680
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
681 static void th_conn_free_nodelete(th_conn_t *conn)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
682 {
122
452adc41ccf5 Remember to free the connection data buffer.
Matti Hamalainen <ccr@tnsp.org>
parents: 121
diff changeset
683 th_free(conn->buf);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
684 th_conn_close(conn);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
685 th_free(conn->host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
686 th_free(conn->proxy.host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
687 th_free(conn);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
688 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
689
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
690
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
691 void th_conn_free(th_conn_t *conn)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
692 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
693 if (conn != NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
694 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
695 // Remove from linked list
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
696 if (conn->node != NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
697 th_llist_delete_node_fast(&th_conn_list, conn->node);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
698
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
699 // Free connection data
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
700 th_conn_free_nodelete(conn);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
701 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
702 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
703
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
704
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
705 int th_conn_send_buf(th_conn_t *conn, const void *buf, const size_t len)
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
706 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
707 size_t bufLeft = len;
118
ca33c6c80176 Change type.
Matti Hamalainen <ccr@tnsp.org>
parents: 117
diff changeset
708 const char *bufPtr = (char *) buf;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
709
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
710 while (bufLeft > 0)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
711 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
712 ssize_t bufSent;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
713 bufSent = send(conn->socket, bufPtr, bufLeft, 0);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
714 if (bufSent < 0)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
715 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
716 int err = th_errno_to_error(th_get_socket_errno());
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
717 th_conn_err(conn, err, "th_conn_send_buf() failed: %s", th_error_str(err));
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
718 return err;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
719 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
720 bufLeft -= bufSent;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
721 bufPtr += bufSent;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
722 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
723
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
724 return THERR_OK;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
725 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
726
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
727
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
728 int th_conn_send_growbuf(th_conn_t *conn, th_growbuf_t *buf)
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
729 {
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
730 int ret = th_conn_send_buf(conn, buf->data, buf->len);
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
731 th_growbuf_clear(buf);
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
732 return ret;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
733 }
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
734
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
735
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
736 void th_conn_reset(th_conn_t *conn)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
737 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
738 if (conn != NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
739 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
740 conn->ptr = conn->in_ptr = conn->buf;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
741 conn->got_bytes = conn->total_bytes = 0;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
742 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
743 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
744
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
745
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
746 int th_conn_pull(th_conn_t *conn)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
747 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
748 int result;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
749 struct timeval socktv;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
750 fd_set tmpfds;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
751
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
752 if (conn == NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
753 return TH_CONN_ERROR;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
754
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
755 // Shift the input buffer
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
756 if (conn->ptr > conn->buf)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
757 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
758 size_t left = conn->in_ptr - conn->ptr;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
759 if (left > 0)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
760 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
761 size_t moved = conn->ptr - conn->buf;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
762 memmove(conn->buf, conn->ptr, left);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
763 conn->ptr = conn->buf;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
764 conn->in_ptr -= moved;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
765 conn->total_bytes -= moved;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
766 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
767 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
768 th_conn_reset(conn);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
769 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
770
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
771 // Check for incoming data
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
772 socktv.tv_sec = 0;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
773 socktv.tv_usec = TH_DELAY_USEC;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
774 tmpfds = conn->sockfds;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
775
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
776 if ((result = select(conn->socket + 1, &tmpfds, NULL, NULL, &socktv)) == -1)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
777 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
778 int err = th_get_socket_errno();
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
779 if (err != EINTR)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
780 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
781 err = th_errno_to_error(err);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
782 th_conn_err(conn, err, "Error occured in select(%d, sockfds): %s\n",
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
783 socket, th_error_str(err));
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
784 return TH_CONN_ERROR;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
785 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
786 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
787 else if (FD_ISSET(conn->socket, &tmpfds))
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
788 {
103
f7bec3f7181d Change connection creation API to specify incoming buffer size.
Matti Hamalainen <ccr@tnsp.org>
parents: 102
diff changeset
789 conn->got_bytes = recv(conn->socket, conn->in_ptr, conn->bufsize - conn->total_bytes, 0);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
790 if (conn->got_bytes < 0)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
791 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
792 int err = th_errno_to_error(th_get_socket_errno());
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
793 th_conn_err(conn, err, "Error in recv: %s\n", th_error_str(err));
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
794 return TH_CONN_ERROR;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
795 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
796 else if (conn->got_bytes == 0)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
797 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
798 th_conn_err(conn, ECONNABORTED, "Server closed connection.\n");
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
799 conn->status = TH_CONN_CLOSED;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
800 return TH_CONN_CLOSED;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
801 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
802 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
803 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
804 conn->total_bytes += conn->got_bytes;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
805 conn->in_ptr += conn->got_bytes;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
806 return TH_CONN_DATA_AVAIL;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
807 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
808 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
809
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
810 return TH_CONN_NO_DATA;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
811 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
812
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
813
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
814 BOOL th_conn_check(th_conn_t *conn)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
815 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
816 if (conn == NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
817 return FALSE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
818
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
819 return conn->err == 0 && conn->status == TH_CONN_OPEN;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
820 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
821
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
822
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
823 int th_network_init(void)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
824 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
825 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
826 // Initialize WinSock, if needed
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
827 WSADATA wsaData;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
828 int err = WSAStartup(0x0101, &wsaData);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
829 if (err != 0)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
830 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
831 THERR("Could not initialize WinSock library (err=%d).\n", err);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
832 return THERR_INIT_FAIL;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
833 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
834 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
835
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
836 th_network_inited = TRUE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
837
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
838 th_conn_list = NULL;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
839
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
840 return THERR_OK;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
841 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
842
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
843
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
844 void th_network_close(void)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
845 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
846 if (th_network_inited)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
847 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
848 // Close connections
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
849 qlist_t *curr = th_conn_list;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
850 while (curr != NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
851 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
852 qlist_t *next = curr->next;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
853 th_conn_free_nodelete(curr->data);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
854 curr = next;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
855 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
856
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
857 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
858 WSACleanup();
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
859 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
860 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
861
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
862 th_network_inited = FALSE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
863 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
864
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
865
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
866 BOOL th_conn_buf_check(th_conn_t *conn, size_t n)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
867 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
868 return conn && (conn->ptr + n <= conn->in_ptr);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
869 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
870
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
871
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
872 BOOL th_conn_buf_skip(th_conn_t *conn, size_t n)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
873 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
874 if (th_conn_buf_check(conn, n))
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
875 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
876 conn->ptr += n;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
877 return TRUE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
878 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
879 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
880 return FALSE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
881 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
882
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
883
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
884 int th_conn_buf_strncmp(th_conn_t *conn, const char *str, const size_t n)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
885 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
886 int ret;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
887 if (!th_conn_buf_check(conn, n))
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
888 return -1;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
889
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
890 if ((ret = strncmp(conn->ptr, str, n)) == 0)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
891 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
892 conn->ptr += n;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
893 return 0;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
894 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
895 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
896 return ret;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
897 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
898
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
899
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
900 int th_conn_buf_strcmp(th_conn_t *conn, const char *str)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
901 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
902 return th_conn_buf_strncmp(conn, str, strlen(str));
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
903 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
904
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
905
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
906 char *th_conn_buf_strstr(th_conn_t *conn, const char *str)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
907 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
908 char *pos;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
909 size_t n = strlen(str);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
910
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
911 if (th_conn_buf_check(conn, n) && ((pos = strstr(conn->ptr, str)) != NULL))
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
912 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
913 conn->ptr = pos + n;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
914 return pos;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
915 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
916 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
917 return NULL;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
918 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
919
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
920
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
921 void th_conn_dump_buffer(FILE *f, th_conn_t *conn)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
922 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
923 char *p;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
924 size_t offs, left;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
925
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
926 fprintf(f,
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
927 "\n--------------------------------------------------------------\n"
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
928 "err=%d, status=%d, got_bytes=%d, total_bytes=%d\n"
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
929 "buf=0x%p, in_ptr=0x%04x, ptr=0x%04x\n",
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
930 conn->err, conn->status, conn->got_bytes, conn->total_bytes,
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
931 conn->buf, conn->in_ptr - conn->buf, conn->ptr - conn->buf);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
932
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
933 // Dump buffer contents as a hexdump
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
934 for (offs = 0, left = conn->total_bytes, p = conn->buf; p < conn->in_ptr;)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
935 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
936 char buf[TH_DUMP_BYTES + 1];
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
937 size_t bufoffs, amount = left < TH_DUMP_BYTES ? left : TH_DUMP_BYTES;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
938 left -= amount;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
939
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
940 // Dump offs | xx xx xx xx | and fill string
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
941 fprintf(f, "%04x | ", offs);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
942 for (bufoffs = 0; bufoffs < amount; offs++, bufoffs++, p++)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
943 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
944 fprintf(f, "%02x ", *p);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
945 buf[bufoffs] = th_isprint(*p) ? *p : '.';
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
946 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
947 buf[bufoffs] = 0;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
948
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
949 // Add padding
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
950 for (; bufoffs < TH_DUMP_BYTES; bufoffs++)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
951 fprintf(f, " ");
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
952
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
953 // Print string
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
954 fprintf(f, "| %s\n", buf);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
955 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
956 }