annotate th_network.c @ 130:32dcabfc2644

Add some informative messages to SOCKS 5 authentication steps.
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 23 Jun 2014 16:14:12 +0300
parents 8efebf863404
children 6624893ad528
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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16
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17 enum
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18 {
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19 SOCKS5_AUTH_NONE = 0,
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20 SOCKS5_AUTH_USER = 2,
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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
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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
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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),
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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
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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)
123
c8584cf52c98 Various bugfixes in proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 122
diff changeset
312 th_growbuf_puts(&buf, 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)
130
32dcabfc2644 Add some informative messages to SOCKS 5 authentication steps.
Matti Hamalainen <ccr@tnsp.org>
parents: 126
diff changeset
450 th_conn_msg(conn, THLOG_INFO, "Attempting SOCKS 5 user/pass authentication.\n");
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
451 th_growbuf_clear(&buf);
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
452
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
453 th_growbuf_put_u8(&buf, 0x01);
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
454 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
455 th_growbuf_puts(&buf, conn->proxy.userid, FALSE);
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
456 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
457 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
458
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
459 // Send request
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
460 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
461 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
462
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
463 // Wait for SOCKS server to reply
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
464 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
465 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
466
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
467 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
468 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
469 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
470 err = THERR_INVALID_DATA;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
471 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
472 "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
473 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
474 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
475 ptr++;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
476 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
477 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
478 err = THERR_AUTH_FAILED;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
479 th_conn_err(conn, err,
130
32dcabfc2644 Add some informative messages to SOCKS 5 authentication steps.
Matti Hamalainen <ccr@tnsp.org>
parents: 126
diff changeset
480 "SOCKS 5 proxy user/pass authentication failed! Code 0x%02x.\n", *ptr);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
481 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
482 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
483 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
484 else
130
32dcabfc2644 Add some informative messages to SOCKS 5 authentication steps.
Matti Hamalainen <ccr@tnsp.org>
parents: 126
diff changeset
485 if (auth == SOCKS5_AUTH_NONE)
32dcabfc2644 Add some informative messages to SOCKS 5 authentication steps.
Matti Hamalainen <ccr@tnsp.org>
parents: 126
diff changeset
486 {
32dcabfc2644 Add some informative messages to SOCKS 5 authentication steps.
Matti Hamalainen <ccr@tnsp.org>
parents: 126
diff changeset
487 th_conn_msg(conn, THLOG_INFO, "Using no authentication for SOCKS 5.\n");
32dcabfc2644 Add some informative messages to SOCKS 5 authentication steps.
Matti Hamalainen <ccr@tnsp.org>
parents: 126
diff changeset
488 }
32dcabfc2644 Add some informative messages to SOCKS 5 authentication steps.
Matti Hamalainen <ccr@tnsp.org>
parents: 126
diff changeset
489 else
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
490 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
491 err = THERR_NOT_SUPPORTED;
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
492 th_conn_err(conn, err,
130
32dcabfc2644 Add some informative messages to SOCKS 5 authentication steps.
Matti Hamalainen <ccr@tnsp.org>
parents: 126
diff changeset
493 "Proxy server chose an unsupported SOCKS 5 authentication method 0x%02x.\n",
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
494 auth);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
495 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
496 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
497
123
c8584cf52c98 Various bugfixes in proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 122
diff changeset
498
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
499 // Form client connection request packet
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
500 th_growbuf_clear(&buf);
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
501 th_growbuf_put_u8(&buf, 0x05); // Protocol version
123
c8584cf52c98 Various bugfixes in proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 122
diff changeset
502 th_growbuf_put_u8(&buf, cmd); // Command
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
503 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
504
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
505 switch (conn->proxy.addr_type)
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_IPV4:
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
508 th_growbuf_put_u8(&buf, SOCKS5_ADDR_IPV4);
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_IPV6:
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
513 th_growbuf_put_u8(&buf, SOCKS5_ADDR_IPV6);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
514 //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
515 break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
516
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
517 case TH_PROXY_ADDR_DOMAIN:
123
c8584cf52c98 Various bugfixes in proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 122
diff changeset
518 cmd = strlen(host);
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
519 if (cmd < 1 || cmd > 255)
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 err = THERR_NOT_SUPPORTED;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
522 th_conn_err(conn, err,
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
523 "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
524 goto out;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
525 }
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 th_growbuf_put_u8(&buf, SOCKS5_ADDR_DOMAIN);
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
528 th_growbuf_put_u8(&buf, cmd);
123
c8584cf52c98 Various bugfixes in proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 122
diff changeset
529 th_growbuf_put_str(&buf, host, cmd);
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
530 break;
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
531 }
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
532
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
533 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
534
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
535 // Send request
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
536 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
537 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
538
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
539 // Wait for SOCKS server to reply
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
540 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
541 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
542
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
543 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
544 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
545 {
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
546 err = THERR_INVALID_DATA;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
547 th_conn_err(conn, err,
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
548 "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
549 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
550 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
551 ptr++;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
552 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
553 {
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
554 err = THERR_INIT_FAIL;
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
555 if (*ptr < th_socks5_results_msgs_num)
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
556 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
557 else
121
8c39e8e90dbd More work on proxy handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 119
diff changeset
558 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
559 goto out;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
560 }
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
561 ptr++;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
562 if (*ptr != 0)
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
563 {
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
564 err = THERR_INIT_FAIL;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
565 th_conn_err(conn, err, "wot.\n");
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
566 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
567 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
568
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
569 err = THERR_OK;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
570
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
571 out:
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
572 th_growbuf_free(&buf);
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
573 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
574 }
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
577 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
578 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
579 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
580 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
581
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
582 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
583 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
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->port = port;
126
8efebf863404 Fix host handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 124
diff changeset
586 conn->host = th_strdup(host);
8efebf863404 Fix host handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 124
diff changeset
587 conn->hst = th_resolve_host(conn, host);
8efebf863404 Fix host handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 124
diff changeset
588
8efebf863404 Fix host handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 124
diff changeset
589 // If name resolving locally fails, force to domain addr type
8efebf863404 Fix host handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 124
diff changeset
590 if (conn->hst == NULL)
8efebf863404 Fix host handling.
Matti Hamalainen <ccr@tnsp.org>
parents: 124
diff changeset
591 conn->proxy.addr_type = TH_PROXY_ADDR_DOMAIN;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
592
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
593 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
594
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
595 // 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
596 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
597
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
598 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
599 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
600 // 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
601 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
602 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
603
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
604 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
605 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
606 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
607 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
608 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
609 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
610 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
611 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
612
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
613 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
614 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
615 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
616
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
617 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
618 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
619 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
620 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
621 goto error;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
622 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
623
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
624 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
625 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
626 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
627 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
628 goto error;
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
631 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
632 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
633
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
634 // 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
635 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
636 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
637 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
638 case TH_PROXY_SOCKS4A:
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
639 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
640 goto error;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
641 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
642 break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
643
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
644 case TH_PROXY_SOCKS5:
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
645 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
646 goto error;
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_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
648 break;
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
651 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
652 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
653
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
654 // 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
655 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
656
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
657 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
658
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
659 error:
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
660 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
661 return err;
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
664
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
665 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
666 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
667 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
668 return -1;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
669
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
670 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
671 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
672 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
673 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
674 #else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
675 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
676 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
677 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
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 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
681 return 0;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
682 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
683
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
684
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
685 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
686 {
122
452adc41ccf5 Remember to free the connection data buffer.
Matti Hamalainen <ccr@tnsp.org>
parents: 121
diff changeset
687 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
688 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
689 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
690 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
691 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
692 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
693
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 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
696 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
697 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
698 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
699 // 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
700 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
701 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
702
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
703 // 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
704 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
705 }
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
708
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
709 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
710 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
711 size_t bufLeft = len;
118
ca33c6c80176 Change type.
Matti Hamalainen <ccr@tnsp.org>
parents: 117
diff changeset
712 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
713
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
714 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
715 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
716 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
717 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
718 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
719 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
720 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
721 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
722 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
723 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
724 bufLeft -= bufSent;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
725 bufPtr += bufSent;
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
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
728 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
729 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
730
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
731
117
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
732 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
733 {
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
734 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
735 th_growbuf_clear(buf);
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
736 return ret;
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
737 }
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
738
bfae4758fa6f More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 116
diff changeset
739
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
740 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
741 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
742 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
743 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
744 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
745 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
746 }
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
749
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
750 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
751 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
752 int result;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
753 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
754 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
755
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 == NULL)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
757 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
758
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
759 // 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
760 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
761 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
762 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
763 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
764 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
765 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
766 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
767 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
768 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
769 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
770 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
771 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
772 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
773 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
774
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
775 // 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
776 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
777 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
778 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
779
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
780 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
781 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
782 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
783 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
784 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
785 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
786 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
787 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
788 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
789 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
790 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
791 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
792 {
103
f7bec3f7181d Change connection creation API to specify incoming buffer size.
Matti Hamalainen <ccr@tnsp.org>
parents: 102
diff changeset
793 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
794 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
795 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
796 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
797 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
798 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
799 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
800 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
801 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
802 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
803 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
804 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
805 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
806 else
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 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
809 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
810 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
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 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
815 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
816
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
817
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
818 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
819 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
820 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
821 return FALSE;
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 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
824 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
825
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
826
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
827 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
828 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
829 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
830 // 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
831 WSADATA wsaData;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
832 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
833 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
834 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
835 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
836 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
837 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
838 #endif
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 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
841
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
842 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
843
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
844 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
845 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
846
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 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
849 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
850 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
851 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
852 // Close connections
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
853 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
854 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
855 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
856 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
857 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
858 curr = next;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
859 }
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 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
862 WSACleanup();
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
863 #endif
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 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
867 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
868
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 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
871 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
872 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
873 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
874
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 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
877 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
878 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
879 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
880 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
881 return TRUE;
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 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
884 return FALSE;
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
887
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
888 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
889 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
890 int ret;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
891 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
892 return -1;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
893
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
894 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
895 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
896 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
897 return 0;
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 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
900 return ret;
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
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 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
905 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
906 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
907 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
908
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
909
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
910 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
911 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
912 char *pos;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
913 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
914
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
915 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
916 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
917 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
918 return pos;
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 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
921 return NULL;
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
924
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
925 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
926 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
927 char *p;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
928 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
929
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
930 fprintf(f,
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
931 "\n--------------------------------------------------------------\n"
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
932 "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
933 "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
934 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
935 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
936
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
937 // 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
938 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
939 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
940 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
941 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
942 left -= amount;
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 // 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
945 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
946 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
947 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
948 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
949 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
950 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
951 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
952
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
953 // Add padding
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
954 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
955 fprintf(f, " ");
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
956
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
957 // Print string
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
958 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
959 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
960 }