annotate th_network.c @ 116:bc540c5bfaf9

More work on network module.
author Matti Hamalainen <ccr@tnsp.org>
date Sat, 21 Jun 2014 23:19:57 +0300
parents b44a0308b53f
children bfae4758fa6f
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102
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1 /*
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2 * Simple TCP network connection handling
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3 * Programmed and designed by Matti 'ccr' Hamalainen
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4 * (C) Copyright 2013-2014 Tecnic Software productions (TNSP)
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5 *
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6 * Please read file 'COPYING' for information on license and distribution.
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7 */
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8 #include "th_network.h"
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9 #include "th_string.h"
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10 #include <errno.h>
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11
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12
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13 static BOOL th_network_inited = FALSE;
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14 static qlist_t *th_conn_list = NULL;
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15
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16
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17 enum
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18 {
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19 TH_SOCKS5_AUTH_NONE = 0,
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20 TH_SOCKS5_AUTH_USER = 2,
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21 };
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22
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23
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24 static const char *th_proxy_types[] =
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25 {
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26 "none",
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27 "SOCKS 4",
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28 "SOCKS 4a",
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29 "SOCKS 5",
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30 NULL
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31 };
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32
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33
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34 static int th_get_socket_errno(void)
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35 {
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36 return errno;
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37 }
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38
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39
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40 void th_conn_err(th_conn_t *conn, int err, const char *fmt, ...)
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41 {
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42 if (conn->errfunc != NULL)
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43 {
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44 char *msg;
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45 va_list ap;
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46 va_start(ap, fmt);
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47 msg = th_strdup_vprintf(fmt, ap);
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48 va_end(ap);
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49
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50 conn->errfunc(conn, err, msg);
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51 th_free(msg);
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52 }
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53 }
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54
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55
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56 void th_conn_msg(th_conn_t *conn, int loglevel, const char *fmt, ...)
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57 {
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58 if (conn->msgfunc != NULL)
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59 {
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60 char *msg;
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61 va_list ap;
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62 va_start(ap, fmt);
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63 msg = th_strdup_vprintf(fmt, ap);
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64 va_end(ap);
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65
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66 conn->msgfunc(conn, loglevel, msg);
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67 th_free(msg);
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68 }
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69 }
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70
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71
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72 struct hostent *th_resolve_host(th_conn_t *conn, const char *name)
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73 {
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74 struct hostent *res = gethostbyname(name);
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75
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76 if (res == NULL)
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77 {
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78 th_conn_err(conn, h_errno,
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79 "Could not resolve hostname '%s': %s\n",
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80 name, th_error_str(h_errno));
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81 }
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82 else
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83 {
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84 th_conn_msg(conn, THLOG_INFO, "True hostname for %s is %s\n",
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85 name, res->h_name);
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86 }
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87
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88 return res;
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89 }
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90
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91
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92 th_conn_t * th_conn_new(
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93 void (*errfunc)(th_conn_t *conn, int err, const char *msg),
103
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94 void (*msgfunc)(th_conn_t *conn, int loglevel, const char *msg),
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95 ssize_t bufsize)
102
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96 {
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97 th_conn_t *conn = th_malloc0(sizeof(th_conn_t));
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98
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99 if (conn == NULL)
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100 return NULL;
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101
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102 conn->errfunc = errfunc;
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103 conn->msgfunc = msgfunc;
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104
103
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105 conn->bufsize = (bufsize <= 0) ? TH_CONNBUF_SIZE : bufsize;
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106 if ((conn->buf = th_malloc(conn->bufsize)) == NULL)
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107 {
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108 th_free(conn);
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109 return NULL;
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110 }
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111
102
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112 return conn;
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113 }
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114
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115
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116 static BOOL th_get_addr(struct in_addr *addr, struct hostent *hst)
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117 {
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118 if (hst != NULL)
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119 {
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120 *addr = *(struct in_addr *) (hst->h_addr);
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121 return TRUE;
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122 }
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123 else
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124 {
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125 addr->s_addr = 0;
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126 return FALSE;
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127 }
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128 }
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129
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130
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131 int th_conn_set_proxy(th_conn_t *conn, int type, int port, const char *host, int auth_type)
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132 {
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133 if (conn == NULL)
104
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134 return THERR_NULLPTR;
102
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135
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136 conn->proxy.type = type;
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137 conn->proxy.port = port;
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138 conn->proxy.auth_type = auth_type;
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139
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140 th_free(conn->proxy.host);
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141 conn->proxy.host = th_strdup(host);
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142
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
143 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
144 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
145 conn->proxy.hst = th_resolve_host(conn, host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
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parents:
diff changeset
146 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
147 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
148 else
104
ec5a5e573885 Return real error values.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
149 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
150
104
ec5a5e573885 Return real error values.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
151 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
152 }
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 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
156 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
157 if (conn == NULL)
104
ec5a5e573885 Return real error values.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
158 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
159
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
160 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
161 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
162
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
163 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
164 conn->proxy.passwd = th_strdup(passwd);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
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parents:
diff changeset
165
104
ec5a5e573885 Return real error values.
Matti Hamalainen <ccr@tnsp.org>
parents: 103
diff changeset
166 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
167 }
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
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
170 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
171 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
172 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
173
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
174 for (status = tries = 1; tries <= 20 && status > 0; tries++)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
175 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
176 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
177 Sleep(50);
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
178 #else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
179 usleep(50000);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
180 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
181 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
182 status = th_conn_pull(conn);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
183 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
184
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
185 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
186 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
187 th_conn_err(conn, status, "Proxy negotiation failed at try %d with network error: %d\n",
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
188 tries, status);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
189 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
190 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
191 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.
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parents:
diff changeset
192
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
193 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
194 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
195
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
196
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
197 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.
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parents:
diff changeset
198 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
199 int ret;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
200 th_conn_reset(conn);
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
201 ret = th_conn_send_buf(conn, (void *) buf->data, buf->len);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
202 th_free(buf);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
203 return ret;
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
206
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
207 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
208 {
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
209 th_growbuf_t buf;
bc540c5bfaf9 More work on network module.
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parents: 114
diff changeset
210 uint8_t *ptr;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
211 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
212
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
213 (void) host;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
214
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
215 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.
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parents:
diff changeset
216
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
217 // Create SOCKS 4 handshake
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
218 th_growbuf_init(&buf, 128);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
219 th_growbuf_put_u8(&buf, 4); // Protocol version
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
220 th_growbuf_put_u8(&buf, TH_PROXY_CMD_CONNECT); // Command
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
221 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
222 if (conn->proxy.type == TH_PROXY_SOCKS4A)
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
223 th_growbuf_put_u32_be(&buf, 0x00000032);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
224 else
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
225 th_growbuf_put_str(&buf, (uint8_t *) &(conn->addr.s_addr), sizeof(conn->addr.s_addr));
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
226
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
227 th_growbuf_puts(&buf, conn->proxy.userid, TRUE);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
228 if (conn->proxy.type == TH_PROXY_SOCKS4A)
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
229 th_growbuf_puts(&buf, conn->host, TRUE);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
230
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
231 // Send request
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
232 if ((err = th_conn_proxy_send(conn, &buf)) != THERR_OK)
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
233 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
234
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
235 // Wait for SOCKS server to reply
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
236 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL)
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
237 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
238
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
239 ptr = (uint8_t*) conn->buf;
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
240 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
241 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
242 err = THERR_INIT_FAIL;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
243 th_conn_err(conn, err,
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
244 "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
245 *ptr);
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
246 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
247 }
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
248
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
249 ptr++;
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
250 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
251 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
252 const char *s = NULL;
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
253 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
254 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
255 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
256 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
257 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
258 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
259 }
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
260
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
261 err = THERR_INIT_FAIL;
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
262 th_conn_err(conn, err, "SOCKS 4 setup failed, 0x%02x: %s.\n", *ptr, s);
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
263 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
264 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
265
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
266 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
267 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
268
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
269
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
270 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
271 {
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
272 size_t userid_len = 0, passwd_len = 0;
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
273 th_growbuf_t buf;
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
274 uint8_t *ptr;
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
275 int 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
276
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
277 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
278
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
279 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
280 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
281 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
282 avail = 1;
113
059f48a04024 Set auth method.
Matti Hamalainen <ccr@tnsp.org>
parents: 112
diff changeset
283 auth = TH_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
284 break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
285
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
286 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
287 avail = 2;
113
059f48a04024 Set auth method.
Matti Hamalainen <ccr@tnsp.org>
parents: 112
diff changeset
288 auth = TH_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
289 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
290 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
291 err = THERR_INVALID_DATA;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
292 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
293 "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
294 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
295 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
296
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
297 userid_len = strlen(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
298 passwd_len = strlen(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
299 if (userid_len > 255 || passwd_len > 255)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
300 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
301 err = THERR_INVALID_DATA;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
302 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
303 "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
304 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
305 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
306 break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
307
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
308 default:
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
309 err = THERR_NOT_SUPPORTED;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
310 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
311 "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
312 conn->proxy.auth_type);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
313 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
314 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
315
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
316
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
317 // Form handshake packet
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
318 th_growbuf_init(&buf, 0);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
319 th_growbuf_put_u8(&buf, 0x05); // Protocol version
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
320 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
321 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
322
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
323 // Send request
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
324 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
325 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
326
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
327 // Wait for SOCKS server to reply
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
328 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL)
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
329 return 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
330
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
331 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
332 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
333 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
334 err = THERR_INVALID_DATA;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
335 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
336 "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
337 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
338 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
339 ptr++;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
340 auth = *ptr;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
341
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
342 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
343 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
344 err = THERR_NOT_SUPPORTED;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
345 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
346 "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
347 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
348 }
114
b44a0308b53f Add missing else statement.
Matti Hamalainen <ccr@tnsp.org>
parents: 113
diff changeset
349 else
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
350 if (auth == TH_SOCKS5_AUTH_USER)
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
351 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
352 // Attempt user/pass authentication (RFC 1929)
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
353 th_growbuf_init(&buf, 256);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
354
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
355 th_growbuf_put_u8(&buf, 0x01);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
356 th_growbuf_put_u8(&buf, userid_len);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
357 th_growbuf_puts(&buf, conn->proxy.userid, FALSE);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
358 th_growbuf_put_u8(&buf, passwd_len);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
359 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
360
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
361 // Send request
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
362 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
363 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
364
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
365 // Wait for SOCKS server to reply
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
366 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL)
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
367 return 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
368
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
369 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
370 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
371 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
372 err = THERR_INVALID_DATA;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
373 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
374 "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
375 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
376 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
377 ptr++;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
378 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
379 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
380 err = THERR_AUTH_FAILED;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
381 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
382 "SOCKS 5 proxy user/pass authentication failed! Code %d.\n", *ptr);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
383 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
384 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
385 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
386 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
387 if (auth != TH_SOCKS5_AUTH_NONE)
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_NOT_SUPPORTED;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
390 th_conn_err(conn, THERR_NOT_SUPPORTED,
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
391 "Proxy server chose an unsupported SOCKS 5 authentication method %d.\n",
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
392 auth);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
393 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
394 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
395
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
396
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
397 #if 0
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
398 // Form client connection request packet
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
399 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
400
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
401 th_growbuf_put_u8(&buf, 0x05); // Protocol version
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
402 th_growbuf_put_u8(&buf, cmd);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
403 th_growbuf_put_u8(&buf, 0x00);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
404 th_growbuf_put_u8(&buf, SOCKS5_ADDR_IPV4);
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
405 th_growbuf_put_str(&buf, conn->addr.s_addr, sizeof(conn->addr.s_addr));
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
406 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
407
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
408 // Send request
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
409 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
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 // Wait for SOCKS server to reply
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
413 if (th_conn_proxy_wait(conn) != 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
414 return FALSE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
415
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
416 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
417 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
418 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
419 th_conn_err(conn, "Invalid SOCKS 5 server reply, does not begin with protocol version byte (%d).\n", *ptr);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
420 return FALSE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
421 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
422 ptr++;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
423 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
424 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
425 int err = 0;
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
426 if (*ptr >= 0 && *ptr < sizeof())
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
427 th_conn_err(conn, err, "%s.\n", th_socks5_results_msgs[*ptr]);
102
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
428 else
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
429 th_conn_err(conn, err ".Unknown\n");
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
430
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
431 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
432 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
433 ptr++;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
434 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
435 {
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
436 int err = asdf;
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
437 th_conn_err(conn, err, ".\n");
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
438 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
439 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
440
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
441 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
442
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
443 out:
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
444 th_growbuf_free(&buf);
112
5403f0d2d692 Use common exit codepath.
Matti Hamalainen <ccr@tnsp.org>
parents: 105
diff changeset
445
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
446 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
447 }
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
450 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
451 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
452 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
453 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
454
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
455 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
456 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
457
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
458 conn->port = port;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
459 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
460 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
461 conn->host = th_strdup(host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
462 conn->hst = th_resolve_host(conn, host);
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
463 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
464
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
465 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
466
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
467 // 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
468 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
469
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
470 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
471 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
472 // 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
473 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
474 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
475
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
476 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
477 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
478 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
479 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
480 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
481 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
482 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
483 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
484
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
485 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
486 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
487 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
488
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
489 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
490 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
491 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
492 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
493 goto error;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
494 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
495
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
496 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
497 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
498 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
499 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
500 goto error;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
501 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
502
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
503 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
504 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
505
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
506 // 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
507 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
508 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
509 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
510 case TH_PROXY_SOCKS4A:
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
511 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
512 goto error;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
513 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
514 break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
515
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
516 case TH_PROXY_SOCKS5:
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
517 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
518 goto error;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
519 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
520 break;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
521 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
522
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
523 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
524 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
525
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
526 // 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
527 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
528
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
529 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
530
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
531 error:
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
532 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
533 return err;
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
536
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
537 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
538 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
539 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
540 return -1;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
541
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
542 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
543 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
544 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
545 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
546 #else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
547 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
548 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
549 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
550 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
551
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
552 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
553 return 0;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
554 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
555
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
556
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
557 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
558 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
559 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
560 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
561 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
562 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
563 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
564
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
565
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
566 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
567 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
568 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
569 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
570 // 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
571 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
572 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
573
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
574 // 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
575 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
576 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
577 }
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
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
580 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
581 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
582 size_t bufLeft = len;
116
bc540c5bfaf9 More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents: 114
diff changeset
583 const uint8_t *bufPtr = (uint8_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
584
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
585 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
586 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
587 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
588 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
589 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
590 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
591 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
592 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
593 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
594 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
595 bufLeft -= bufSent;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
596 bufPtr += bufSent;
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
105
ea5b1c4b3af5 Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents: 104
diff changeset
599 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
600 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
601
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
602
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
603 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
604 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
605 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
606 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
607 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
608 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
609 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
610 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
611
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
612
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
613 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
614 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
615 int result;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
616 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
617 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
618
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
619 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
620 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
621
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
622 // 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
623 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
624 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
625 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
626 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
627 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
628 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
629 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
630 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
631 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
632 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
633 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
634 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
635 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
636 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
637
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
638 // 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
639 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
640 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
641 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
642
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
643 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
644 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
645 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
646 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
647 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
648 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
649 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
650 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
651 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
652 }
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 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
655 {
103
f7bec3f7181d Change connection creation API to specify incoming buffer size.
Matti Hamalainen <ccr@tnsp.org>
parents: 102
diff changeset
656 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
657 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
658 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
659 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
660 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
661 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
662 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
663 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
664 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
665 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
666 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
667 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
668 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
669 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
670 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
671 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
672 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
673 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
674 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
675 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
676
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
677 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
678 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
679
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
680
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
681 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
682 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
683 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
684 return FALSE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
685
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
686 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
687 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
688
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
689
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
690 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
691 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
692 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
693 // 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
694 WSADATA wsaData;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
695 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
696 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
697 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
698 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
699 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
700 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
701 #endif
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 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
704
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
705 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
706
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
707 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
708 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
709
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
710
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
711 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
712 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
713 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
714 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
715 // Close connections
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
716 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
717 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
718 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
719 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
720 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
721 curr = next;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
722 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
723
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
724 #ifdef __WIN32
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
725 WSACleanup();
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
726 #endif
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
727 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
728
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
729 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
730 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
731
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
732
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
733 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
734 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
735 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
736 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
737
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
738
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
739 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
740 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
741 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
742 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
743 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
744 return TRUE;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
745 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
746 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
747 return FALSE;
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
751 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
752 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
753 int ret;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
754 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
755 return -1;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
756
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
757 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
758 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
759 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
760 return 0;
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 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
763 return ret;
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
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
766
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
767 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
768 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
769 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
770 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
771
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
772
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
773 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
774 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
775 char *pos;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
776 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
777
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
778 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
779 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
780 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
781 return pos;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
782 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
783 else
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
784 return NULL;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
785 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
786
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
787
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
788 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
789 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
790 char *p;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
791 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
792
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
793 fprintf(f,
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
794 "\n--------------------------------------------------------------\n"
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
795 "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
796 "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
797 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
798 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
799
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
800 // 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
801 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
802 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
803 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
804 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
805 left -= amount;
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
806
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
807 // 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
808 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
809 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
810 {
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
811 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
812 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
813 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
814 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
815
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
816 // Add padding
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
817 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
818 fprintf(f, " ");
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 // Print string
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
821 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
822 }
6ca407bfbeaf New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
823 }