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minimal support for ldap groups
1 | 1 | /* |
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
3 | * | |
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4 | * Copyright 2013 Olaf Wintermann. All rights reserved. |
1 | 5 | * |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
26 | * POSSIBILITY OF SUCH DAMAGE. | |
27 | */ | |
28 | ||
29 | #ifndef IOSTREAM_H | |
30 | #define IOSTREAM_H | |
31 | ||
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32 | #include <openssl/ssl.h> |
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33 | #include "../public/nsapi.h" |
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34 | #include "systems.h" |
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35 | |
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36 | #ifdef _WIN32 |
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37 | #include <windows.h> |
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38 | #include <winsock2.h> |
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39 | #endif |
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40 | |
1 | 41 | #ifdef __cplusplus |
42 | extern "C" { | |
43 | #endif | |
44 | ||
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45 | #ifdef XP_UNIX |
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46 | #define SYS_SOCKET int |
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47 | #elif defined(XP_WIN32) |
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48 | #define SYS_SOCKET SOCKET |
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49 | #endif |
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50 | |
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51 | #define IO_MODE_BLOCKING 0 |
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52 | #define IO_MODE_NONBLOCKING 1 |
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53 | |
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54 | #define IO_POLL_NONE 0 |
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55 | #define IO_POLL_IN 1 |
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56 | #define IO_POLL_OUT 2 |
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57 | |
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58 | typedef struct IOStream IOStream; |
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59 | typedef struct Sysstream Sysstream; |
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60 | typedef struct HttpStream HttpStream; |
1 | 61 | |
62 | typedef ssize_t(*io_write_f)(IOStream *, void *, size_t); | |
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63 | typedef ssize_t(*io_writev_f)(IOStream *, struct iovec *, int); |
1 | 64 | typedef ssize_t(*io_read_f)(IOStream *, void *, size_t); |
54 | 65 | typedef ssize_t(*io_sendfile_f)(IOStream *, sendfiledata *); |
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66 | typedef void(*io_close_f)(IOStream *); |
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67 | typedef void(*io_finish_f)(IOStream *); |
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68 | typedef void(*io_setmode_f)(IOStream *, int); |
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69 | typedef int(*io_poll_f)(IOStream *, EventHandler *, int, Event *); |
1 | 70 | |
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71 | struct IOStream { |
54 | 72 | io_write_f write; |
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73 | io_writev_f writev; |
54 | 74 | io_read_f read; |
75 | io_sendfile_f sendfile; | |
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76 | io_close_f close; |
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77 | io_finish_f finish; |
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78 | io_setmode_f setmode; |
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79 | io_poll_f poll; |
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80 | int io_errno; |
1 | 81 | }; |
82 | ||
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83 | struct Sysstream { |
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84 | IOStream st; |
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85 | #ifdef XP_UNIX |
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86 | int fd; |
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87 | #elif defined(XP_WIN32) |
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88 | SOCKET fd; |
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89 | #endif |
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90 | }; |
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91 | |
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92 | #define HTTP_STREAM_CBUF_SIZE 16 |
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93 | struct HttpStream { |
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94 | IOStream st; |
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95 | IOStream *fd; |
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96 | |
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97 | uint64_t written; |
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98 | /* |
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99 | * content-length or current chunk size |
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100 | */ |
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101 | uint64_t max_read; |
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102 | /* |
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103 | * total bytes read (with content-length) or bytes read of current chunk |
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104 | */ |
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105 | uint64_t read; |
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106 | /* |
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107 | * total bytes read with chunked transfer encoding |
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108 | */ |
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109 | uint64_t read_total; |
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110 | /* |
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111 | * read buffer (used only with chunked transfer encoding) |
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112 | */ |
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113 | char *readbuf; |
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114 | /* |
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115 | * readbuf allocated size |
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116 | */ |
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117 | size_t bufsize; |
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118 | /* |
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119 | * number of bytes currently stored in readbuf |
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120 | */ |
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121 | int *buflen; |
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122 | /* |
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123 | * current position in the read buffer |
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124 | */ |
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125 | int *bufpos; |
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126 | /* |
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127 | * current chunk_buf position |
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128 | */ |
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129 | int chunk_buf_pos; |
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130 | /* |
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131 | * buffer used only for parsing chunk headers |
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132 | */ |
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133 | char chunk_buf[HTTP_STREAM_CBUF_SIZE]; |
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134 | /* |
335 | 135 | * chunked transfer encoding for write enabled? |
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136 | */ |
335 | 137 | WSBool chunked_enc; |
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138 | /* |
335 | 139 | * end of file indicator (read) |
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140 | */ |
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141 | WSBool read_eof; |
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142 | /* |
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143 | * end of file indicator (write) |
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144 | */ |
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145 | WSBool write_eof; |
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146 | }; |
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147 | |
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148 | typedef struct SSLStream { |
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149 | IOStream st; |
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150 | SSL *ssl; |
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151 | int error; |
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152 | } SSLStream; |
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153 | |
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154 | |
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155 | |
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156 | /* system stream */ |
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157 | IOStream* Sysstream_new(pool_handle_t *pool, SYS_SOCKET fd); |
1 | 158 | |
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159 | ssize_t net_sys_write(Sysstream *st, void *buf, size_t nbytes); |
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160 | ssize_t net_sys_writev(Sysstream *st, struct iovec *iovec, int iovcnt); |
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161 | ssize_t net_sys_read(Sysstream *st, void *buf, size_t nbytes); |
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162 | ssize_t net_sys_sendfile(Sysstream *st, sendfiledata *sfd); |
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163 | void net_sys_close(Sysstream *st); |
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164 | void net_sys_setmode(Sysstream *st, int mode); |
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165 | int net_sys_poll(Sysstream *st, EventHandler *ev, int events, Event *cb); |
1 | 166 | |
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167 | /* http stream */ |
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168 | IOStream* httpstream_new(pool_handle_t *pool, IOStream *fd); |
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169 | |
333
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170 | int httpstream_enable_chunked_read(IOStream *st, char *buffer, size_t bufsize, int *cursize, int *pos); |
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171 | int httpstream_enable_chunked_write(IOStream *st); |
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172 | int httpstream_set_max_read(IOStream *st, int64_t maxread); |
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173 | WSBool httpstream_eof(IOStream *st); |
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174 | int64_t httpstream_written(IOStream *st); |
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175 | |
110
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176 | ssize_t net_http_write(HttpStream *st, void *buf, size_t nbytes); |
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177 | ssize_t net_http_writev(HttpStream *st, struct iovec *iovec, int iovcnt); |
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178 | ssize_t net_http_read(HttpStream *st, void *buf, size_t nbytes); |
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179 | ssize_t net_http_read_chunked(HttpStream *st, void *buf, size_t nbytes); |
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180 | ssize_t net_http_sendfile(HttpStream *st, sendfiledata *sfd); |
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181 | void net_http_close(HttpStream *st); |
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182 | void net_http_finish(HttpStream *st); |
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183 | void net_http_setmode(HttpStream *st, int mode); |
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184 | int net_http_poll(HttpStream *st, EventHandler *ev, int events, Event *cb); |
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185 | |
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186 | /* ssl stream */ |
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187 | IOStream* sslstream_new(pool_handle_t *pool, SSL *ssl); |
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188 | |
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189 | ssize_t net_ssl_write(SSLStream *st, void *buf, size_t nbytes); |
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190 | ssize_t net_ssl_writev(SSLStream *st, struct iovec *iovec, int iovcnt); |
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191 | ssize_t net_ssl_read(SSLStream *st, void *buf, size_t nbytes); |
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192 | void net_ssl_close(SSLStream *st); |
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193 | void net_ssl_finish(SSLStream *st); |
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194 | void net_ssl_setmode(SSLStream *st, int mode); |
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195 | int net_ssl_poll(SSLStream *st, EventHandler *ev, int events, Event *cb); |
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196 | |
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197 | /* net_ functions */ |
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199 | void net_finish(SYS_NETFD fd); |
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200 | |
1 | 201 | #ifdef __cplusplus |
202 | } | |
203 | #endif | |
204 | ||
205 | #endif /* IOSTREAM_H */ | |
206 |