Mercurial > hg > th-libs
annotate th_network.c @ 118:ca33c6c80176
Change type.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Sat, 21 Jun 2014 23:40:34 +0300 |
parents | bfae4758fa6f |
children | 38a39a9e3a1d |
rev | line source |
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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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Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
125 addr->s_addr = 0; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
126 return FALSE; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
127 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
128 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
129 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
130 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
131 int th_conn_set_proxy(th_conn_t *conn, int type, int port, const char *host, int auth_type) |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
132 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
133 if (conn == NULL) |
104 | 134 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
|
135 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
136 conn->proxy.type = type; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
137 conn->proxy.port = port; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
138 conn->proxy.auth_type = auth_type; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
139 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
140 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
|
141 conn->proxy.host = th_strdup(host); |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
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.
Matti Hamalainen <ccr@tnsp.org>
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 | 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 | 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 | 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.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
165 |
104 | 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); |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
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.
Matti Hamalainen <ccr@tnsp.org>
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.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
198 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
199 th_conn_reset(conn); |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
200 return th_conn_send_growbuf(conn, buf); |
102
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
201 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
202 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
203 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
204 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
|
205 { |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
206 th_growbuf_t buf; |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
207 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
|
208 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
|
209 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
210 (void) host; |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
211 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
|
212 th_conn_msg(conn, THLOG_INFO, "Initializing SOCKS 4/a proxy negotiation.\n"); |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
213 |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
214 // Create SOCKS 4 handshake |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
215 th_growbuf_put_u8(&buf, 4); // Protocol version |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
216 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
|
217 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
|
218 if (conn->proxy.type == TH_PROXY_SOCKS4A) |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
219 th_growbuf_put_u32_be(&buf, 0x00000032); |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
220 else |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
221 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
|
222 |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
223 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
|
224 if (conn->proxy.type == TH_PROXY_SOCKS4A) |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
225 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
|
226 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
227 // Send request |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
228 if ((err = th_conn_proxy_send(conn, &buf)) != THERR_OK) |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
229 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
|
230 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
231 // Wait for SOCKS server to reply |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
232 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL) |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
233 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
|
234 |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
235 ptr = (uint8_t*) conn->buf; |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
236 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
|
237 { |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
238 err = THERR_INIT_FAIL; |
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
239 th_conn_err(conn, err, |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
240 "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
|
241 *ptr); |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
242 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
|
243 } |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
244 |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
245 ptr++; |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
246 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
|
247 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
248 const char *s = NULL; |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
249 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
|
250 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
251 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
|
252 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
|
253 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
|
254 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
|
255 } |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
256 |
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
257 err = THERR_INIT_FAIL; |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
258 th_conn_err(conn, err, "SOCKS 4 setup failed, 0x%02x: %s.\n", *ptr, s); |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
259 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
|
260 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
261 |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
262 err = THERR_OK; |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
263 |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
264 out: |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
265 th_growbuf_free(&buf); |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
266 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
|
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 |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
277 th_growbuf_init(&buf, 256); |
102
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
278 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
|
279 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
280 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
|
281 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
282 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
|
283 avail = 1; |
113 | 284 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
|
285 break; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
286 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
287 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
|
288 avail = 2; |
113 | 289 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
|
290 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
|
291 { |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
292 err = THERR_INVALID_DATA; |
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
293 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
|
294 "SOCKS 5 user authentication chosen, but no user/pass set.\n"); |
112 | 295 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
|
296 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
297 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
298 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
|
299 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
|
300 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
|
301 { |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
302 err = THERR_INVALID_DATA; |
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
303 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
|
304 "SOCKS 5 proxy userid or password is too long.\n"); |
112 | 305 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
|
306 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
307 break; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
308 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
309 default: |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
310 err = THERR_NOT_SUPPORTED; |
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
311 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
|
312 "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
|
313 conn->proxy.auth_type); |
112 | 314 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
|
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 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
318 // Form handshake packet |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
319 th_growbuf_clear(&buf); |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
320 th_growbuf_put_u8(&buf, 0x05); // Protocol version |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
321 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
|
322 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
|
323 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
324 // Send request |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
325 if ((err = th_conn_proxy_send(conn, &buf)) != THERR_OK) |
112 | 326 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
|
327 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
328 // Wait for SOCKS server to reply |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
329 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL) |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
330 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
|
331 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
332 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
|
333 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
|
334 { |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
335 err = THERR_INVALID_DATA; |
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
336 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
|
337 "Invalid SOCKS 5 server reply, does not begin with protocol version byte (%d).\n", *ptr); |
112 | 338 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
|
339 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
340 ptr++; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
341 auth = *ptr; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
342 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
343 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
|
344 { |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
345 err = THERR_NOT_SUPPORTED; |
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
346 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
|
347 "No authentication method could be negotiated with the server.\n"); |
112 | 348 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
|
349 } |
114
b44a0308b53f
Add missing else statement.
Matti Hamalainen <ccr@tnsp.org>
parents:
113
diff
changeset
|
350 else |
102
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
351 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
|
352 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
353 // Attempt user/pass authentication (RFC 1929) |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
354 th_growbuf_clear(&buf); |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
355 |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
356 th_growbuf_put_u8(&buf, 0x01); |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
357 th_growbuf_put_u8(&buf, userid_len); |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
358 th_growbuf_puts(&buf, conn->proxy.userid, FALSE); |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
359 th_growbuf_put_u8(&buf, passwd_len); |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
360 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
|
361 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
362 // Send request |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
363 if ((err = th_conn_proxy_send(conn, &buf)) != THERR_OK) |
112 | 364 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
|
365 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
366 // Wait for SOCKS server to reply |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
367 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL) |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
368 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
|
369 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
370 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
|
371 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
|
372 { |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
373 err = THERR_INVALID_DATA; |
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
374 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
|
375 "Invalid SOCKS 5 server reply, does not begin with protocol version byte (%d).\n", *ptr); |
112 | 376 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
|
377 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
378 ptr++; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
379 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
|
380 { |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
381 err = THERR_AUTH_FAILED; |
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
382 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
|
383 "SOCKS 5 proxy user/pass authentication failed! Code %d.\n", *ptr); |
112 | 384 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
|
385 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
386 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
387 else |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
388 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
|
389 { |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
390 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
|
391 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
|
392 "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
|
393 auth); |
112 | 394 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
|
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 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
398 #if 0 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
399 // Form client connection request packet |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
400 th_growbuf_clear(&buf); |
102
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
401 |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
402 th_growbuf_put_u8(&buf, 0x05); // Protocol version |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
403 th_growbuf_put_u8(&buf, cmd); |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
404 th_growbuf_put_u8(&buf, 0x00); |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
405 th_growbuf_put_u8(&buf, SOCKS5_ADDR_IPV4); |
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
406 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
|
407 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
|
408 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
409 // Send request |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
410 if ((err = th_conn_proxy_send(conn, &buf)) != THERR_OK) |
112 | 411 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
|
412 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
413 // Wait for SOCKS server to reply |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
414 if (th_conn_proxy_wait(conn) != TH_CONN_DATA_AVAIL) |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
415 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
|
416 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
417 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
|
418 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
|
419 { |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
420 err = THERR_INVALID_DATA; |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
421 th_conn_err(conn, err, |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
422 "Invalid SOCKS 5 server reply, does not begin with protocol version byte (%d).\n", *ptr); |
112 | 423 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
|
424 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
425 ptr++; |
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) |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
427 { |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
428 err = THERR_INIT_FAIL; |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
429 if (*ptr >= 0 && *ptr < sizeof()) |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
430 th_conn_err(conn, err, "%s.\n", th_socks5_results_msgs[*ptr]); |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
431 else |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
432 th_conn_err(conn, err ".Unknown\n"); |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
433 goto out; |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
434 } |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
435 ptr++; |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
436 if (*ptr != 0) |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
437 { |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
438 err = THERR_INIT_FAIL; |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
439 th_conn_err(conn, err, "wot.\n"); |
112 | 440 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
|
441 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
442 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
443 #endif |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
444 |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
445 err = THERR_OK; |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
446 |
112 | 447 out: |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
448 th_growbuf_free(&buf); |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
449 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
|
450 } |
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 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
453 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
|
454 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
455 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
|
456 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
|
457 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
458 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
|
459 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
|
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->port = port; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
462 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
|
463 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
464 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
|
465 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
|
466 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
467 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
468 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
|
469 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
470 // 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
|
471 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
|
472 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
473 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
|
474 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
475 // 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
|
476 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
|
477 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
|
478 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
479 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
|
480 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
|
481 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
|
482 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
483 else |
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 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
|
486 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
|
487 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
488 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
|
489 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
|
490 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
491 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
492 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
|
493 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
494 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
|
495 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
|
496 goto error; |
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 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
499 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
|
500 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
501 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
|
502 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
|
503 goto error; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
504 } |
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 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
|
507 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
|
508 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
509 // 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
|
510 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
|
511 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
512 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
|
513 case TH_PROXY_SOCKS4A: |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
514 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
|
515 goto error; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
516 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
|
517 break; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
518 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
519 case TH_PROXY_SOCKS5: |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
520 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
|
521 goto error; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
522 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
|
523 break; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
524 } |
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 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
|
527 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
|
528 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
529 // 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
|
530 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
|
531 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
532 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
|
533 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
534 error: |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
535 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
|
536 return err; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
537 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
538 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
539 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
540 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
|
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 == NULL) |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
543 return -1; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
544 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
545 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
|
546 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
547 #ifdef __WIN32 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
548 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
|
549 #else |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
550 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
|
551 #endif |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
552 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
|
553 } |
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 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
|
556 return 0; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
557 } |
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 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
560 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
|
561 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
562 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
|
563 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
|
564 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
|
565 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
|
566 } |
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 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
569 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
|
570 { |
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 != NULL) |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
572 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
573 // 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
|
574 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
|
575 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
|
576 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
577 // 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
|
578 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
|
579 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
580 } |
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 |
116
bc540c5bfaf9
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
583 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
|
584 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
585 size_t bufLeft = len; |
118 | 586 const char *bufPtr = (char *) buf; |
102
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
587 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
588 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
|
589 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
590 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
|
591 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
|
592 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
|
593 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
594 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
|
595 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
|
596 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
|
597 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
598 bufLeft -= bufSent; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
599 bufPtr += bufSent; |
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 |
105
ea5b1c4b3af5
Cleanups and a breaking API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
602 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
|
603 } |
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 |
117
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
606 int th_conn_send_growbuf(th_conn_t *conn, th_growbuf_t *buf) |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
607 { |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
608 int ret = th_conn_send_buf(conn, buf->data, buf->len); |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
609 th_growbuf_clear(buf); |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
610 return ret; |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
611 } |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
612 |
bfae4758fa6f
More work on network module.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
613 |
102
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
614 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
|
615 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
616 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
|
617 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
618 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
|
619 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
|
620 } |
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 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
623 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
624 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
|
625 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
626 int result; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
627 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
|
628 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
|
629 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
630 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
|
631 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
|
632 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
633 // 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
|
634 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
|
635 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
636 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
|
637 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
|
638 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
639 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
|
640 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
|
641 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
|
642 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
|
643 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
|
644 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
645 else |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
646 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
|
647 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
648 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
649 // 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
|
650 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
|
651 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
|
652 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
|
653 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
654 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
|
655 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
656 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
|
657 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
|
658 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
659 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
|
660 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
|
661 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
|
662 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
|
663 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
664 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
665 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
|
666 { |
103
f7bec3f7181d
Change connection creation API to specify incoming buffer size.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
667 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
|
668 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
|
669 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
670 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
|
671 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
|
672 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
|
673 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
674 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
|
675 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
676 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
|
677 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
|
678 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
|
679 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
680 else |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
681 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
682 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
|
683 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
|
684 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
|
685 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
686 } |
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 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
|
689 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
690 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
691 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
692 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
|
693 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
694 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
|
695 return FALSE; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
696 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
697 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
|
698 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
699 |
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 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
|
702 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
703 #ifdef __WIN32 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
704 // 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
|
705 WSADATA wsaData; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
706 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
|
707 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
|
708 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
709 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
|
710 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
|
711 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
712 #endif |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
713 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
714 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
|
715 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
716 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
|
717 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
718 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
|
719 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
720 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
721 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
722 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
|
723 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
724 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
|
725 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
726 // Close connections |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
727 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
|
728 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
|
729 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
730 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
|
731 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
|
732 curr = next; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
733 } |
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 #ifdef __WIN32 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
736 WSACleanup(); |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
737 #endif |
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 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
740 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
|
741 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
742 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
743 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
744 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
|
745 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
746 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
|
747 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
748 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
749 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
750 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
|
751 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
752 if (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
|
753 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
754 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
|
755 return TRUE; |
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 else |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
758 return FALSE; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
759 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
760 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
761 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
762 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
|
763 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
764 int ret; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
765 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
|
766 return -1; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
767 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
768 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
|
769 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
770 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
|
771 return 0; |
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 else |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
774 return ret; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
775 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
776 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
777 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
778 int 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
|
779 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
780 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
|
781 } |
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 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
784 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
|
785 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
786 char *pos; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
787 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
|
788 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
789 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
|
790 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
791 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
|
792 return pos; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
793 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
794 else |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
795 return NULL; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
796 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
797 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
798 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
799 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
|
800 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
801 char *p; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
802 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
|
803 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
804 fprintf(f, |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
805 "\n--------------------------------------------------------------\n" |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
806 "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
|
807 "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
|
808 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
|
809 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
|
810 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
811 // 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
|
812 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
|
813 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
814 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
|
815 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
|
816 left -= amount; |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
817 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
818 // 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
|
819 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
|
820 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
|
821 { |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
822 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
|
823 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
|
824 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
825 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
|
826 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
827 // Add padding |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
828 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
|
829 fprintf(f, " "); |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
830 |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
831 // Print string |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
832 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
|
833 } |
6ca407bfbeaf
New TCP network module, rather simple and only useful for client applications now.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
834 } |