Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_files.c @ 5980:ccad84a174e0
Refactored sendfile() AIO preload.
This reduces layering violation and simplifies the logic of AIO preread, since
it's now triggered by the send chain function itself without falling back to
the copy filter. The context of AIO operation is now stored per file buffer,
which makes it possible to properly handle cases when multiple buffers come
from different locations, each with its own configuration.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Wed, 11 Feb 2015 17:52:15 +0300 |
parents | fbdab7f38fd6 |
children | 577628e6b6a6 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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42
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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12 #define NGX_UTF16_BUFLEN 256 |
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13 |
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14 static ngx_int_t ngx_win32_check_filename(u_char *name, u_short *u, |
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15 size_t len); |
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16 static u_short *ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t *len); |
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17 |
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18 |
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19 /* FILE_FLAG_BACKUP_SEMANTICS allows to obtain a handle to a directory */ |
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20 |
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21 ngx_fd_t |
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22 ngx_open_file(u_char *name, u_long mode, u_long create, u_long access) |
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23 { |
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24 size_t len; |
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25 u_short *u; |
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26 ngx_fd_t fd; |
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27 ngx_err_t err; |
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28 u_short utf16[NGX_UTF16_BUFLEN]; |
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29 |
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30 len = NGX_UTF16_BUFLEN; |
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31 u = ngx_utf8_to_utf16(utf16, name, &len); |
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32 |
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33 if (u == NULL) { |
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34 return INVALID_HANDLE_VALUE; |
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35 } |
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36 |
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37 fd = INVALID_HANDLE_VALUE; |
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38 |
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39 if (create == NGX_FILE_OPEN |
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40 && ngx_win32_check_filename(name, u, len) != NGX_OK) |
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41 { |
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42 goto failed; |
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43 } |
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44 |
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45 fd = CreateFileW(u, mode, |
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46 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, |
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47 NULL, create, FILE_FLAG_BACKUP_SEMANTICS, NULL); |
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48 |
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49 failed: |
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50 |
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51 if (u != utf16) { |
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52 err = ngx_errno; |
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53 ngx_free(u); |
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54 ngx_set_errno(err); |
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55 } |
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56 |
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57 return fd; |
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58 } |
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59 |
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60 |
561 | 61 ssize_t |
62 ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset) | |
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63 { |
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64 u_long n; |
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65 ngx_err_t err; |
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66 OVERLAPPED ovlp, *povlp; |
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67 |
3156 | 68 ovlp.Internal = 0; |
69 ovlp.InternalHigh = 0; | |
70 ovlp.Offset = (u_long) offset; | |
71 ovlp.OffsetHigh = (u_long) (offset >> 32); | |
72 ovlp.hEvent = NULL; | |
461 | 73 |
3156 | 74 povlp = &ovlp; |
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75 |
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76 if (ReadFile(file->fd, buf, size, &n, povlp) == 0) { |
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77 err = ngx_errno; |
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78 |
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79 if (err == ERROR_HANDLE_EOF) { |
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80 return 0; |
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81 } |
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82 |
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83 ngx_log_error(NGX_LOG_ERR, file->log, err, |
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84 "ReadFile() \"%s\" failed", file->name.data); |
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85 return NGX_ERROR; |
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86 } |
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87 |
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88 file->offset += n; |
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89 |
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90 return n; |
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91 } |
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92 |
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93 |
561 | 94 ssize_t |
95 ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset) | |
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96 { |
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97 u_long n; |
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98 OVERLAPPED ovlp, *povlp; |
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99 |
3156 | 100 ovlp.Internal = 0; |
101 ovlp.InternalHigh = 0; | |
102 ovlp.Offset = (u_long) offset; | |
103 ovlp.OffsetHigh = (u_long) (offset >> 32); | |
104 ovlp.hEvent = NULL; | |
183
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105 |
3156 | 106 povlp = &ovlp; |
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107 |
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108 if (WriteFile(file->fd, buf, size, &n, povlp) == 0) { |
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109 ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, |
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110 "WriteFile() \"%s\" failed", file->name.data); |
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111 return NGX_ERROR; |
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112 } |
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113 |
3158 | 114 if (n != size) { |
115 ngx_log_error(NGX_LOG_CRIT, file->log, 0, | |
116 "WriteFile() \"%s\" has written only %ul of %uz", | |
117 file->name.data, n, size); | |
118 return NGX_ERROR; | |
119 } | |
120 | |
182
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121 file->offset += n; |
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122 |
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123 return n; |
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124 } |
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125 |
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126 |
561 | 127 ssize_t |
128 ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset, | |
129 ngx_pool_t *pool) | |
184
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130 { |
292
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131 u_char *buf, *prev; |
184
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132 size_t size; |
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133 ssize_t total, n; |
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134 |
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135 total = 0; |
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136 |
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137 while (cl) { |
343
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138 buf = cl->buf->pos; |
184
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139 prev = buf; |
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140 size = 0; |
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141 |
344
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142 /* coalesce the neighbouring bufs */ |
184
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143 |
343
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144 while (cl && prev == cl->buf->pos) { |
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145 size += cl->buf->last - cl->buf->pos; |
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146 prev = cl->buf->last; |
184
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147 cl = cl->next; |
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148 } |
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149 |
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150 n = ngx_write_file(file, buf, size, offset); |
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151 |
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152 if (n == NGX_ERROR) { |
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153 return NGX_ERROR; |
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154 } |
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155 |
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156 total += n; |
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157 offset += n; |
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158 } |
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159 |
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160 return total; |
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161 } |
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162 |
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163 |
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164 ssize_t |
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165 ngx_read_fd(ngx_fd_t fd, void *buf, size_t size) |
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166 { |
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167 u_long n; |
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168 |
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169 if (ReadFile(fd, buf, size, &n, NULL) != 0) { |
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170 return (size_t) n; |
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171 } |
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172 |
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173 return -1; |
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174 } |
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175 |
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176 |
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177 ssize_t |
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178 ngx_write_fd(ngx_fd_t fd, void *buf, size_t size) |
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179 { |
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180 u_long n; |
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181 |
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182 if (WriteFile(fd, buf, size, &n, NULL) != 0) { |
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183 return (size_t) n; |
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184 } |
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185 |
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186 return -1; |
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187 } |
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188 |
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189 |
2769
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190 ssize_t |
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191 ngx_write_console(ngx_fd_t fd, void *buf, size_t size) |
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192 { |
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193 u_long n; |
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194 |
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195 (void) CharToOemBuff(buf, buf, size); |
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196 |
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197 if (WriteFile(fd, buf, size, &n, NULL) != 0) { |
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198 return (size_t) n; |
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199 } |
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200 |
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201 return -1; |
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202 } |
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203 |
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204 |
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205 ngx_err_t |
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206 ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to, ngx_log_t *log) |
184
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207 { |
499 | 208 u_char *name; |
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209 ngx_err_t err; |
499 | 210 ngx_uint_t collision; |
211 ngx_atomic_uint_t num; | |
184
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212 |
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Fix buffer overrun under Windows.
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213 name = ngx_alloc(to->len + 1 + NGX_ATOMIC_T_LEN + 1 + sizeof("DELETE"), |
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Fix buffer overrun under Windows.
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214 log); |
501 | 215 if (name == NULL) { |
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216 return NGX_ENOMEM; |
186
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217 } |
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185
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218 |
184
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219 ngx_memcpy(name, to->data, to->len); |
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220 |
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221 collision = 0; |
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222 |
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223 /* mutex_lock() (per cache or single ?) */ |
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224 |
499 | 225 for ( ;; ) { |
184
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226 num = ngx_next_temp_number(collision); |
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227 |
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|
228 ngx_sprintf(name + to->len, ".%0muA.DELETE%Z", num); |
184
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229 |
499 | 230 if (MoveFile((const char *) to->data, (const char *) name) != 0) { |
231 break; | |
184
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232 } |
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233 |
499 | 234 collision = 1; |
235 | |
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236 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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|
237 "MoveFile() \"%s\" to \"%s\" failed", to->data, name); |
499 | 238 } |
184
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239 |
292
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|
240 if (MoveFile((const char *) from->data, (const char *) to->data) == 0) { |
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|
241 err = ngx_errno; |
186
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|
242 |
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|
243 } else { |
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fix Win32 error messages when an temporary file replaces an existent file:
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244 err = 0; |
186
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245 } |
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246 |
1051 | 247 if (DeleteFile((const char *) name) == 0) { |
2901
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fix logging in ngx_win32_rename_file()
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248 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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249 "DeleteFile() \"%s\" failed", name); |
184
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250 } |
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251 |
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252 /* mutex_unlock() */ |
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253 |
1693
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254 ngx_free(name); |
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255 |
3382
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256 return err; |
184
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257 } |
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258 |
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259 |
561 | 260 ngx_int_t |
2462
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261 ngx_file_info(u_char *file, ngx_file_info_t *sb) |
185
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262 { |
3417
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263 size_t len; |
3138
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264 long rc; |
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265 u_short *u; |
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266 ngx_err_t err; |
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267 WIN32_FILE_ATTRIBUTE_DATA fa; |
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268 u_short utf16[NGX_UTF16_BUFLEN]; |
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269 |
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270 len = NGX_UTF16_BUFLEN; |
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271 |
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272 u = ngx_utf8_to_utf16(utf16, file, &len); |
185
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273 |
3138
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274 if (u == NULL) { |
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275 return NGX_FILE_ERROR; |
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276 } |
185
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277 |
4673
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278 rc = NGX_FILE_ERROR; |
3138
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279 |
4673
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280 if (ngx_win32_check_filename(file, u, len) != NGX_OK) { |
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281 goto failed; |
185
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282 } |
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283 |
4673
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284 rc = GetFileAttributesExW(u, GetFileExInfoStandard, &fa); |
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285 |
185
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286 sb->dwFileAttributes = fa.dwFileAttributes; |
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287 sb->ftCreationTime = fa.ftCreationTime; |
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288 sb->ftLastAccessTime = fa.ftLastAccessTime; |
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289 sb->ftLastWriteTime = fa.ftLastWriteTime; |
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290 sb->nFileSizeHigh = fa.nFileSizeHigh; |
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291 sb->nFileSizeLow = fa.nFileSizeLow; |
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292 |
4673
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293 failed: |
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294 |
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295 if (u != utf16) { |
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296 err = ngx_errno; |
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297 ngx_free(u); |
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298 ngx_set_errno(err); |
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299 } |
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300 |
3138
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301 return rc; |
185
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302 } |
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303 |
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304 |
561 | 305 ngx_int_t |
681 | 306 ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s) |
307 { | |
308 uint64_t intervals; | |
309 FILETIME ft; | |
310 | |
311 /* 116444736000000000 is commented in src/os/win32/ngx_time.c */ | |
312 | |
313 intervals = s * 10000000 + 116444736000000000; | |
314 | |
315 ft.dwLowDateTime = (DWORD) intervals; | |
316 ft.dwHighDateTime = (DWORD) (intervals >> 32); | |
317 | |
318 if (SetFileTime(fd, NULL, NULL, &ft) != 0) { | |
319 return NGX_OK; | |
320 } | |
321 | |
322 return NGX_ERROR; | |
323 } | |
324 | |
325 | |
3651 | 326 ngx_int_t |
327 ngx_create_file_mapping(ngx_file_mapping_t *fm) | |
328 { | |
329 LARGE_INTEGER size; | |
330 | |
331 fm->fd = ngx_open_file(fm->name, NGX_FILE_RDWR, NGX_FILE_TRUNCATE, | |
332 NGX_FILE_DEFAULT_ACCESS); | |
333 if (fm->fd == NGX_INVALID_FILE) { | |
334 ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, | |
335 ngx_open_file_n " \"%s\" failed", fm->name); | |
336 return NGX_ERROR; | |
337 } | |
338 | |
339 fm->handle = NULL; | |
340 | |
341 size.QuadPart = fm->size; | |
342 | |
343 if (SetFilePointerEx(fm->fd, size, NULL, FILE_BEGIN) == 0) { | |
344 ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, | |
345 "SetFilePointerEx(\"%s\", %uz) failed", | |
346 fm->name, fm->size); | |
347 goto failed; | |
348 } | |
349 | |
350 if (SetEndOfFile(fm->fd) == 0) { | |
351 ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, | |
352 "SetEndOfFile() \"%s\" failed", fm->name); | |
353 goto failed; | |
354 } | |
355 | |
356 fm->handle = CreateFileMapping(fm->fd, NULL, PAGE_READWRITE, | |
357 (u_long) ((off_t) fm->size >> 32), | |
358 (u_long) ((off_t) fm->size & 0xffffffff), | |
359 NULL); | |
360 if (fm->handle == NULL) { | |
361 ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, | |
362 "CreateFileMapping(%s, %uz) failed", | |
363 fm->name, fm->size); | |
364 goto failed; | |
365 } | |
366 | |
367 fm->addr = MapViewOfFile(fm->handle, FILE_MAP_WRITE, 0, 0, 0); | |
368 | |
369 if (fm->addr != NULL) { | |
370 return NGX_OK; | |
371 } | |
372 | |
373 ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, | |
374 "MapViewOfFile(%uz) of file mapping \"%s\" failed", | |
375 fm->size, fm->name); | |
376 | |
377 failed: | |
378 | |
379 if (fm->handle) { | |
380 if (CloseHandle(fm->handle) == 0) { | |
381 ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, | |
382 "CloseHandle() of file mapping \"%s\" failed", | |
383 fm->name); | |
384 } | |
385 } | |
386 | |
387 if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) { | |
388 ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, | |
389 ngx_close_file_n " \"%s\" failed", fm->name); | |
390 } | |
391 | |
392 return NGX_ERROR; | |
393 } | |
394 | |
395 | |
396 void | |
397 ngx_close_file_mapping(ngx_file_mapping_t *fm) | |
398 { | |
399 if (UnmapViewOfFile(fm->addr) == 0) { | |
400 ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, | |
401 "UnmapViewOfFile(%p) of file mapping \"%s\" failed", | |
402 fm->addr, &fm->name); | |
403 } | |
404 | |
405 if (CloseHandle(fm->handle) == 0) { | |
406 ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, | |
407 "CloseHandle() of file mapping \"%s\" failed", | |
408 &fm->name); | |
409 } | |
410 | |
411 if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) { | |
412 ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, | |
413 ngx_close_file_n " \"%s\" failed", fm->name); | |
414 } | |
415 } | |
416 | |
417 | |
4564
13eb3193cd63
Fixed win32 build after realpath changes in r4559.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
418 u_char * |
2259 | 419 ngx_realpath(u_char *path, u_char *resolved) |
420 { | |
421 /* STUB */ | |
4564
13eb3193cd63
Fixed win32 build after realpath changes in r4559.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
422 return path; |
2259 | 423 } |
424 | |
425 | |
561 | 426 ngx_int_t |
427 ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir) | |
186
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diff
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|
428 { |
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diff
changeset
|
429 ngx_cpystrn(name->data + name->len, NGX_DIR_MASK, NGX_DIR_MASK_LEN + 1); |
c1f3a3c7c5db
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diff
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|
430 |
727 | 431 dir->dir = FindFirstFile((const char *) name->data, &dir->finddata); |
577 | 432 |
5749
a680bf4dddd5
Win32: ngx_open_dir() and ngx_close_dir() fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5501
diff
changeset
|
433 name->data[name->len] = '\0'; |
a680bf4dddd5
Win32: ngx_open_dir() and ngx_close_dir() fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5501
diff
changeset
|
434 |
186
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diff
changeset
|
435 if (dir->dir == INVALID_HANDLE_VALUE) { |
577 | 436 return NGX_ERROR; |
186
c1f3a3c7c5db
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diff
changeset
|
437 } |
577 | 438 |
457 | 439 dir->valid_info = 1; |
186
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diff
changeset
|
440 dir->ready = 1; |
c1f3a3c7c5db
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diff
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|
441 |
c1f3a3c7c5db
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diff
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|
442 return NGX_OK; |
c1f3a3c7c5db
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diff
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|
443 } |
c1f3a3c7c5db
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diff
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444 |
c1f3a3c7c5db
nginx-0.0.1-2003-11-17-00:49:42 import
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diff
changeset
|
445 |
561 | 446 ngx_int_t |
447 ngx_read_dir(ngx_dir_t *dir) | |
186
c1f3a3c7c5db
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diff
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|
448 { |
c1f3a3c7c5db
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diff
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|
449 if (dir->ready) { |
c1f3a3c7c5db
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diff
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450 dir->ready = 0; |
c1f3a3c7c5db
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diff
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451 return NGX_OK; |
c1f3a3c7c5db
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diff
changeset
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452 } |
c1f3a3c7c5db
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185
diff
changeset
|
453 |
727 | 454 if (FindNextFile(dir->dir, &dir->finddata) != 0) { |
3200
26784c34e8be
*) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents:
3178
diff
changeset
|
455 dir->type = 1; |
681 | 456 return NGX_OK; |
186
c1f3a3c7c5db
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diff
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|
457 } |
c1f3a3c7c5db
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parents:
185
diff
changeset
|
458 |
681 | 459 return NGX_ERROR; |
186
c1f3a3c7c5db
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diff
changeset
|
460 } |
185
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461 |
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462 |
501 | 463 ngx_int_t |
5749
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464 ngx_close_dir(ngx_dir_t *dir) |
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465 { |
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466 if (FindClose(dir->dir) == 0) { |
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467 return NGX_ERROR; |
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468 } |
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469 |
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470 return NGX_OK; |
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471 } |
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472 |
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473 |
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474 ngx_int_t |
727 | 475 ngx_open_glob(ngx_glob_t *gl) |
476 { | |
2459 | 477 u_char *p; |
478 size_t len; | |
479 ngx_err_t err; | |
1632 | 480 |
727 | 481 gl->dir = FindFirstFile((const char *) gl->pattern, &gl->finddata); |
482 | |
483 if (gl->dir == INVALID_HANDLE_VALUE) { | |
1980 | 484 |
2459 | 485 err = ngx_errno; |
486 | |
487 if ((err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) | |
488 && gl->test) | |
489 { | |
1980 | 490 gl->no_match = 1; |
491 return NGX_OK; | |
492 } | |
493 | |
727 | 494 return NGX_ERROR; |
495 } | |
496 | |
1632 | 497 for (p = gl->pattern; *p; p++) { |
498 if (*p == '/') { | |
499 gl->last = p + 1 - gl->pattern; | |
500 } | |
501 } | |
502 | |
503 len = ngx_strlen(gl->finddata.cFileName); | |
504 gl->name.len = gl->last + len; | |
505 | |
506 gl->name.data = ngx_alloc(gl->name.len + 1, gl->log); | |
507 if (gl->name.data == NULL) { | |
508 return NGX_ERROR; | |
509 } | |
510 | |
511 ngx_memcpy(gl->name.data, gl->pattern, gl->last); | |
512 ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName, | |
513 len + 1); | |
514 | |
727 | 515 gl->ready = 1; |
516 | |
517 return NGX_OK; | |
518 } | |
519 | |
520 | |
521 ngx_int_t | |
522 ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name) | |
523 { | |
1632 | 524 size_t len; |
727 | 525 ngx_err_t err; |
526 | |
1980 | 527 if (gl->no_match) { |
528 return NGX_DONE; | |
529 } | |
530 | |
727 | 531 if (gl->ready) { |
1632 | 532 *name = gl->name; |
727 | 533 |
534 gl->ready = 0; | |
535 return NGX_OK; | |
536 } | |
537 | |
1632 | 538 ngx_free(gl->name.data); |
539 gl->name.data = NULL; | |
540 | |
727 | 541 if (FindNextFile(gl->dir, &gl->finddata) != 0) { |
1632 | 542 |
543 len = ngx_strlen(gl->finddata.cFileName); | |
544 gl->name.len = gl->last + len; | |
545 | |
546 gl->name.data = ngx_alloc(gl->name.len + 1, gl->log); | |
547 if (gl->name.data == NULL) { | |
548 return NGX_ERROR; | |
549 } | |
550 | |
551 ngx_memcpy(gl->name.data, gl->pattern, gl->last); | |
552 ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName, | |
553 len + 1); | |
554 | |
555 *name = gl->name; | |
727 | 556 |
557 return NGX_OK; | |
558 } | |
559 | |
560 err = ngx_errno; | |
561 | |
562 if (err == NGX_ENOMOREFILES) { | |
563 return NGX_DONE; | |
564 } | |
565 | |
566 ngx_log_error(NGX_LOG_ALERT, gl->log, err, | |
567 "FindNextFile(%s) failed", gl->pattern); | |
568 | |
569 return NGX_ERROR; | |
570 } | |
571 | |
572 | |
573 void | |
574 ngx_close_glob(ngx_glob_t *gl) | |
575 { | |
1632 | 576 if (gl->name.data) { |
577 ngx_free(gl->name.data); | |
578 } | |
579 | |
1980 | 580 if (gl->dir == INVALID_HANDLE_VALUE) { |
581 return; | |
582 } | |
583 | |
1632 | 584 if (FindClose(gl->dir) == 0) { |
727 | 585 ngx_log_error(NGX_LOG_ALERT, gl->log, ngx_errno, |
586 "FindClose(%s) failed", gl->pattern); | |
587 } | |
588 } | |
589 | |
590 | |
591 ngx_int_t | |
501 | 592 ngx_de_info(u_char *name, ngx_dir_t *dir) |
593 { | |
594 return NGX_OK; | |
595 } | |
596 | |
597 | |
598 ngx_int_t | |
599 ngx_de_link_info(u_char *name, ngx_dir_t *dir) | |
600 { | |
601 return NGX_OK; | |
602 } | |
603 | |
604 | |
561 | 605 ngx_int_t |
3178 | 606 ngx_read_ahead(ngx_fd_t fd, size_t n) |
607 { | |
608 return ~NGX_FILE_ERROR; | |
609 } | |
610 | |
611 | |
612 ngx_int_t | |
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613 ngx_directio_on(ngx_fd_t fd) |
2134
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614 { |
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615 return ~NGX_FILE_ERROR; |
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616 } |
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617 |
2615 | 618 |
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619 ngx_int_t |
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620 ngx_directio_off(ngx_fd_t fd) |
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621 { |
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622 return ~NGX_FILE_ERROR; |
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623 } |
2615 | 624 |
625 | |
626 size_t | |
627 ngx_fs_bsize(u_char *name) | |
628 { | |
629 u_char root[4]; | |
630 u_long sc, bs, nfree, ncl; | |
631 | |
632 if (name[2] == ':') { | |
633 ngx_cpystrn(root, name, 4); | |
634 name = root; | |
635 } | |
636 | |
637 if (GetDiskFreeSpace((const char *) name, &sc, &bs, &nfree, &ncl) == 0) { | |
638 return 512; | |
639 } | |
640 | |
641 return sc * bs; | |
642 } | |
2628
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643 |
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644 |
4673
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645 static ngx_int_t |
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646 ngx_win32_check_filename(u_char *name, u_short *u, size_t len) |
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647 { |
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648 u_char *p, ch; |
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649 u_long n; |
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650 u_short *lu; |
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651 ngx_err_t err; |
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652 enum { |
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653 sw_start = 0, |
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654 sw_normal, |
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655 sw_after_slash, |
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656 sw_after_colon, |
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657 sw_after_dot |
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658 } state; |
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659 |
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660 /* check for NTFS streams (":"), trailing dots and spaces */ |
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661 |
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662 lu = NULL; |
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663 state = sw_start; |
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664 |
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665 for (p = name; *p; p++) { |
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666 ch = *p; |
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667 |
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668 switch (state) { |
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669 |
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670 case sw_start: |
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671 |
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672 /* |
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673 * skip till first "/" to allow paths starting with drive and |
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674 * relative path, like "c:html/" |
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675 */ |
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676 |
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677 if (ch == '/' || ch == '\\') { |
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678 state = sw_after_slash; |
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679 } |
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680 |
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681 break; |
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682 |
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683 case sw_normal: |
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684 |
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685 if (ch == ':') { |
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686 state = sw_after_colon; |
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687 break; |
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688 } |
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689 |
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690 if (ch == '.' || ch == ' ') { |
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691 state = sw_after_dot; |
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692 break; |
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693 } |
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694 |
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695 if (ch == '/' || ch == '\\') { |
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696 state = sw_after_slash; |
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697 break; |
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698 } |
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699 |
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700 break; |
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701 |
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702 case sw_after_slash: |
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703 |
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704 if (ch == '/' || ch == '\\') { |
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705 break; |
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706 } |
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707 |
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708 if (ch == '.') { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
709 break; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
710 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
711 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
712 if (ch == ':') { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
713 state = sw_after_colon; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
714 break; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
715 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
716 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
717 state = sw_normal; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
718 break; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
719 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
720 case sw_after_colon: |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
721 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
722 if (ch == '/' || ch == '\\') { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
723 state = sw_after_slash; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
724 break; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
725 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
726 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
727 goto invalid; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
728 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
729 case sw_after_dot: |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
730 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
731 if (ch == '/' || ch == '\\') { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
732 goto invalid; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
733 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
734 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
735 if (ch == ':') { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
736 goto invalid; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
737 } |
4703 | 738 |
4673
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
739 if (ch == '.' || ch == ' ') { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
740 break; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
741 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
742 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
743 state = sw_normal; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
744 break; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
745 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
746 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
747 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
748 if (state == sw_after_dot) { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
749 goto invalid; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
750 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
751 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
752 /* check if long name match */ |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
753 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
754 lu = malloc(len * 2); |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
755 if (lu == NULL) { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
756 return NGX_ERROR; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
757 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
758 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
759 n = GetLongPathNameW(u, lu, len); |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
760 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
761 if (n == 0) { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
762 goto failed; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
763 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
764 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
765 if (n != len - 1 || _wcsicmp(u, lu) != 0) { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
766 goto invalid; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
767 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
768 |
5437
dea321e5c021
Win32: plugged memory leak.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4703
diff
changeset
|
769 ngx_free(lu); |
dea321e5c021
Win32: plugged memory leak.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4703
diff
changeset
|
770 |
4673
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
771 return NGX_OK; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
772 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
773 invalid: |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
774 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
775 ngx_set_errno(NGX_ENOENT); |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
776 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
777 failed: |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
778 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
779 if (lu) { |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
780 err = ngx_errno; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
781 ngx_free(lu); |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
782 ngx_set_errno(err); |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
783 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
784 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
785 return NGX_ERROR; |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
786 } |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
787 |
dc6c658942a8
Win32: disallowed access to various non-canonical name variants.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4564
diff
changeset
|
788 |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
789 static u_short * |
3417
15017418fd84
disable Win32 short file names
Igor Sysoev <igor@sysoev.ru>
parents:
3382
diff
changeset
|
790 ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t *len) |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
791 { |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
792 u_char *p; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
793 u_short *u, *last; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
794 uint32_t n; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
795 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
796 p = utf8; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
797 u = utf16; |
3417
15017418fd84
disable Win32 short file names
Igor Sysoev <igor@sysoev.ru>
parents:
3382
diff
changeset
|
798 last = utf16 + *len; |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
799 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
800 while (u < last) { |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
801 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
802 if (*p < 0x80) { |
3417
15017418fd84
disable Win32 short file names
Igor Sysoev <igor@sysoev.ru>
parents:
3382
diff
changeset
|
803 *u++ = (u_short) *p; |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
804 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
805 if (*p == 0) { |
3417
15017418fd84
disable Win32 short file names
Igor Sysoev <igor@sysoev.ru>
parents:
3382
diff
changeset
|
806 *len = u - utf16; |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
807 return utf16; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
808 } |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
809 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
810 p++; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
811 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
812 continue; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
813 } |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
814 |
5501
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
815 if (u + 1 == last) { |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
816 *len = u - utf16; |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
817 break; |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
818 } |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
819 |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
820 n = ngx_utf8_decode(&p, 4); |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
821 |
5501
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
822 if (n > 0x10ffff) { |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
823 ngx_set_errno(NGX_EILSEQ); |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
824 return NULL; |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
825 } |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
826 |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
827 if (n > 0xffff) { |
5501
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
828 n -= 0x10000; |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
829 *u++ = (u_short) (0xd800 + (n >> 10)); |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
830 *u++ = (u_short) (0xdc00 + (n & 0x03ff)); |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
831 continue; |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
832 } |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
833 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
834 *u++ = (u_short) n; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
835 } |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
836 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
837 /* the given buffer is not enough, allocate a new one */ |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
838 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
839 u = malloc(((p - utf8) + ngx_strlen(p) + 1) * sizeof(u_short)); |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
840 if (u == NULL) { |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
841 return NULL; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
842 } |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
843 |
3417
15017418fd84
disable Win32 short file names
Igor Sysoev <igor@sysoev.ru>
parents:
3382
diff
changeset
|
844 ngx_memcpy(u, utf16, *len * 2); |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
845 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
846 utf16 = u; |
3417
15017418fd84
disable Win32 short file names
Igor Sysoev <igor@sysoev.ru>
parents:
3382
diff
changeset
|
847 u += *len; |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
848 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
849 for ( ;; ) { |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
850 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
851 if (*p < 0x80) { |
3417
15017418fd84
disable Win32 short file names
Igor Sysoev <igor@sysoev.ru>
parents:
3382
diff
changeset
|
852 *u++ = (u_short) *p; |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
853 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
854 if (*p == 0) { |
3417
15017418fd84
disable Win32 short file names
Igor Sysoev <igor@sysoev.ru>
parents:
3382
diff
changeset
|
855 *len = u - utf16; |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
856 return utf16; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
857 } |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
858 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
859 p++; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
860 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
861 continue; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
862 } |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
863 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
864 n = ngx_utf8_decode(&p, 4); |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
865 |
5501
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
866 if (n > 0x10ffff) { |
5785
fbdab7f38fd6
Style: use ngx_free() instead of free().
Tatsuhiko Kubo <cubicdaiya@gmail.com>
parents:
5749
diff
changeset
|
867 ngx_free(utf16); |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
868 ngx_set_errno(NGX_EILSEQ); |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
869 return NULL; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
870 } |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
871 |
5501
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
872 if (n > 0xffff) { |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
873 n -= 0x10000; |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
874 *u++ = (u_short) (0xd800 + (n >> 10)); |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
875 *u++ = (u_short) (0xdc00 + (n & 0x03ff)); |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
876 continue; |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
877 } |
1cd23ca84a9b
Win32: support for UTF-16 surrogate pairs (ticket #457).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5437
diff
changeset
|
878 |
2628
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
879 *u++ = (u_short) n; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
880 } |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
881 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
882 /* unreachable */ |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
parents:
2615
diff
changeset
|
883 } |