Mercurial > hg > nginx
annotate src/core/ngx_string.h @ 1298:458e041fc902
msie_refresh should escape at least '"' to prevent XSS
| author | Igor Sysoev <igor@sysoev.ru> |
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| date | Fri, 13 Jul 2007 09:37:01 +0000 |
| parents | 5eae5751507f |
| children | 33d6c994a0b2 |
| rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #ifndef _NGX_STRING_H_INCLUDED_ |
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8 #define _NGX_STRING_H_INCLUDED_ |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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15 typedef struct { |
| 649 | 16 size_t len; |
| 17 u_char *data; | |
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18 } ngx_str_t; |
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20 |
| 649 | 21 typedef struct { |
| 22 ngx_str_t key; | |
| 23 ngx_str_t value; | |
| 24 } ngx_keyval_t; | |
| 25 | |
| 26 | |
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27 #define ngx_string(str) { sizeof(str) - 1, (u_char *) str } |
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28 #define ngx_null_string { 0, NULL } |
| 477 | 29 |
| 30 | |
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31 #define ngx_tolower(c) (u_char) ((c >= 'A' && c <= 'Z') ? (c | 0x20) : c) |
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32 #define ngx_toupper(c) (u_char) ((c >= 'a' && c <= 'z') ? (c & ~0x20) : c) |
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34 |
| 461 | 35 #define ngx_strncmp(s1, s2, n) strncmp((const char *) s1, (const char *) s2, n) |
| 36 | |
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37 |
| 573 | 38 /* msvc and icc7 compile strcmp() to inline loop */ |
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39 #define ngx_strcmp(s1, s2) strcmp((const char *) s1, (const char *) s2) |
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| 461 | 41 |
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42 #define ngx_strstr(s1, s2) strstr((const char *) s1, (const char *) s2) |
| 1157 | 43 #define ngx_strchr(s1, c) strchr((const char *) s1, (int) c) |
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44 #define ngx_strlen(s) strlen((const char *) s) |
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| 461 | 46 |
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47 /* |
| 573 | 48 * msvc and icc7 compile memset() to the inline "rep stos" |
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49 * while ZeroMemory() and bzero() are the calls. |
| 573 | 50 * icc7 may also inline several mov's of a zeroed register for small blocks. |
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51 */ |
| 515 | 52 #define ngx_memzero(buf, n) (void) memset(buf, 0, n) |
| 53 #define ngx_memset(buf, c, n) (void) memset(buf, c, n) | |
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54 |
| 461 | 55 |
| 583 | 56 #if (NGX_MEMCPY_LIMIT) |
| 57 | |
| 58 void *ngx_memcpy(void *dst, void *src, size_t n); | |
| 59 #define ngx_cpymem(dst, src, n) ((u_char *) ngx_memcpy(dst, src, n)) + (n) | |
| 60 | |
| 61 #else | |
| 62 | |
| 573 | 63 /* |
| 64 * gcc3, msvc, and icc7 compile memcpy() to the inline "rep movs". | |
| 65 * gcc3 compiles memcpy(d, s, 4) to the inline "mov"es. | |
| 66 * icc8 compile memcpy(d, s, 4) to the inline "mov"es or XMM moves. | |
| 67 */ | |
| 515 | 68 #define ngx_memcpy(dst, src, n) (void) memcpy(dst, src, n) |
| 479 | 69 #define ngx_cpymem(dst, src, n) ((u_char *) memcpy(dst, src, n)) + (n) |
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70 |
| 583 | 71 #endif |
| 72 | |
| 461 | 73 |
| 573 | 74 #if ( __INTEL_COMPILER >= 800 ) |
| 75 | |
| 76 /* | |
| 77 * the simple inline cycle copies the variable length strings up to 16 | |
| 78 * bytes faster than icc8 autodetecting _intel_fast_memcpy() | |
| 79 */ | |
| 80 | |
| 81 static ngx_inline u_char * | |
| 82 ngx_copy(u_char *dst, u_char *src, size_t len) | |
| 83 { | |
| 84 if (len < 17) { | |
| 85 | |
| 86 while (len) { | |
| 87 *dst++ = *src++; | |
| 88 len--; | |
| 89 } | |
| 90 | |
| 91 return dst; | |
| 92 | |
| 93 } else { | |
| 94 return ngx_cpymem(dst, src, len); | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 #else | |
| 99 | |
| 100 #define ngx_copy ngx_cpymem | |
| 101 | |
| 102 #endif | |
| 103 | |
| 104 | |
| 105 /* msvc and icc7 compile memcmp() to the inline loop */ | |
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106 #define ngx_memcmp memcmp |
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| 461 | 108 |
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109 u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n); |
| 485 | 110 u_char *ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src); |
| 503 | 111 u_char * ngx_cdecl ngx_sprintf(u_char *buf, const char *fmt, ...); |
| 112 u_char * ngx_cdecl ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...); | |
| 461 | 113 u_char *ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args); |
| 455 | 114 |
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115 ngx_int_t ngx_strcasecmp(u_char *s1, u_char *s2); |
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116 ngx_int_t ngx_strncasecmp(u_char *s1, u_char *s2, size_t n); |
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118 ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n); |
| 455 | 119 ngx_int_t ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n); |
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120 ngx_int_t ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2); |
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122 ngx_int_t ngx_atoi(u_char *line, size_t n); |
| 501 | 123 ssize_t ngx_atosz(u_char *line, size_t n); |
| 124 off_t ngx_atoof(u_char *line, size_t n); | |
| 125 time_t ngx_atotm(u_char *line, size_t n); | |
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126 ngx_int_t ngx_hextoi(u_char *line, size_t n); |
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128 void ngx_md5_text(u_char *text, u_char *md5); |
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131 #define ngx_base64_encoded_length(len) (((len + 2) / 3) * 4) |
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132 #define ngx_base64_decoded_length(len) (((len + 3) / 4) * 3) |
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133 |
| 452 | 134 void ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src); |
| 135 ngx_int_t ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src); | |
| 461 | 136 |
| 657 | 137 uint32_t ngx_utf_decode(u_char **p, size_t n); |
| 138 size_t ngx_utf_length(u_char *p, size_t n); | |
| 1205 | 139 u_char *ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n); |
| 527 | 140 |
| 461 | 141 |
| 1205 | 142 #define NGX_ESCAPE_URI 0 |
| 143 #define NGX_ESCAPE_ARGS 1 | |
| 144 #define NGX_ESCAPE_HTML 2 | |
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145 #define NGX_ESCAPE_REFRESH 3 |
| 601 | 146 |
| 1205 | 147 #define NGX_UNESCAPE_URI 1 |
| 461 | 148 |
| 485 | 149 uintptr_t ngx_escape_uri(u_char *dst, u_char *src, size_t size, |
| 493 | 150 ngx_uint_t type); |
| 601 | 151 void ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type); |
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153 |
| 1208 | 154 void ngx_sort(void *base, size_t n, size_t size, |
| 155 int (*cmp)(const void *, const void *)); | |
| 1205 | 156 #define ngx_qsort qsort |
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| 1205 | 159 #define ngx_value_helper(n) #n |
| 160 #define ngx_value(n) ngx_value_helper(n) | |
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163 #endif /* _NGX_STRING_H_INCLUDED_ */ |