BadVPN – Blame information for rev 1
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1 | office | 1 | /* |
2 | * Copyright (c) 2001-2003 Swedish Institute of Computer Science. |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without modification, |
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6 | * are permitted provided that the following conditions are met: |
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7 | * |
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8 | * 1. Redistributions of source code must retain the above copyright notice, |
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9 | * this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
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11 | * this list of conditions and the following disclaimer in the documentation |
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12 | * and/or other materials provided with the distribution. |
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13 | * 3. The name of the author may not be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
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19 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
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21 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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24 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
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25 | * OF SUCH DAMAGE. |
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26 | * |
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27 | * This file is part of the lwIP TCP/IP stack. |
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28 | * |
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29 | * Author: Adam Dunkels <adam@sics.se> |
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30 | * |
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31 | */ |
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32 | #ifndef LWIP_HDR_APPS_FS_H |
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33 | #define LWIP_HDR_APPS_FS_H |
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34 | |||
35 | #include "httpd_opts.h" |
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36 | #include "lwip/err.h" |
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37 | |||
38 | #ifdef __cplusplus |
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39 | extern "C" { |
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40 | #endif |
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41 | |||
42 | #define FS_READ_EOF -1 |
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43 | #define FS_READ_DELAYED -2 |
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44 | |||
45 | #if HTTPD_PRECALCULATED_CHECKSUM |
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46 | struct fsdata_chksum { |
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47 | u32_t offset; |
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48 | u16_t chksum; |
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49 | u16_t len; |
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50 | }; |
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51 | #endif /* HTTPD_PRECALCULATED_CHECKSUM */ |
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52 | |||
53 | #define FS_FILE_FLAGS_HEADER_INCLUDED 0x01 |
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54 | #define FS_FILE_FLAGS_HEADER_PERSISTENT 0x02 |
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55 | |||
56 | /** Define FS_FILE_EXTENSION_T_DEFINED if you have typedef'ed to your private |
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57 | * pointer type (defaults to 'void' so the default usage is 'void*') |
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58 | */ |
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59 | #ifndef FS_FILE_EXTENSION_T_DEFINED |
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60 | typedef void fs_file_extension; |
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61 | #endif |
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62 | |||
63 | struct fs_file { |
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64 | const char *data; |
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65 | int len; |
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66 | int index; |
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67 | /* pextension is free for implementations to hold private (extensional) |
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68 | arbitrary data, e.g. holding some file state or file system handle */ |
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69 | fs_file_extension *pextension; |
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70 | #if HTTPD_PRECALCULATED_CHECKSUM |
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71 | const struct fsdata_chksum *chksum; |
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72 | u16_t chksum_count; |
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73 | #endif /* HTTPD_PRECALCULATED_CHECKSUM */ |
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74 | u8_t flags; |
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75 | #if LWIP_HTTPD_CUSTOM_FILES |
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76 | u8_t is_custom_file; |
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77 | #endif /* LWIP_HTTPD_CUSTOM_FILES */ |
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78 | #if LWIP_HTTPD_FILE_STATE |
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79 | void *state; |
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80 | #endif /* LWIP_HTTPD_FILE_STATE */ |
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81 | }; |
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82 | |||
83 | #if LWIP_HTTPD_FS_ASYNC_READ |
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84 | typedef void (*fs_wait_cb)(void *arg); |
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85 | #endif /* LWIP_HTTPD_FS_ASYNC_READ */ |
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86 | |||
87 | err_t fs_open(struct fs_file *file, const char *name); |
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88 | void fs_close(struct fs_file *file); |
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89 | #if LWIP_HTTPD_DYNAMIC_FILE_READ |
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90 | #if LWIP_HTTPD_FS_ASYNC_READ |
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91 | int fs_read_async(struct fs_file *file, char *buffer, int count, fs_wait_cb callback_fn, void *callback_arg); |
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92 | #else /* LWIP_HTTPD_FS_ASYNC_READ */ |
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93 | int fs_read(struct fs_file *file, char *buffer, int count); |
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94 | #endif /* LWIP_HTTPD_FS_ASYNC_READ */ |
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95 | #endif /* LWIP_HTTPD_DYNAMIC_FILE_READ */ |
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96 | #if LWIP_HTTPD_FS_ASYNC_READ |
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97 | int fs_is_file_ready(struct fs_file *file, fs_wait_cb callback_fn, void *callback_arg); |
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98 | #endif /* LWIP_HTTPD_FS_ASYNC_READ */ |
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99 | int fs_bytes_left(struct fs_file *file); |
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100 | |||
101 | #if LWIP_HTTPD_FILE_STATE |
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102 | /** This user-defined function is called when a file is opened. */ |
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103 | void *fs_state_init(struct fs_file *file, const char *name); |
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104 | /** This user-defined function is called when a file is closed. */ |
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105 | void fs_state_free(struct fs_file *file, void *state); |
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106 | #endif /* #if LWIP_HTTPD_FILE_STATE */ |
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107 | |||
108 | struct fsdata_file { |
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109 | const struct fsdata_file *next; |
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110 | const unsigned char *name; |
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111 | const unsigned char *data; |
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112 | int len; |
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113 | u8_t flags; |
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114 | #if HTTPD_PRECALCULATED_CHECKSUM |
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115 | u16_t chksum_count; |
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116 | const struct fsdata_chksum *chksum; |
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117 | #endif /* HTTPD_PRECALCULATED_CHECKSUM */ |
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118 | }; |
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119 | |||
120 | #ifdef __cplusplus |
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121 | } |
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122 | #endif |
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123 | |||
124 | #endif /* LWIP_HDR_APPS_FS_H */ |