Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_dlopen.c @ 9049:a10210a45c8b
Core: stricter UTF-8 handling in ngx_utf8_decode().
An UTF-8 octet sequence cannot start with a 11111xxx byte (above 0xf8),
see https://datatracker.ietf.org/doc/html/rfc3629#section-3. Previously,
such bytes were accepted by ngx_utf8_decode() and misinterpreted as 11110xxx
bytes (as in a 4-byte sequence). While unlikely, this can potentially cause
issues.
Fix is to explicitly reject such bytes in ngx_utf8_decode().
author | Yugo Horie <u5.horie@gmail.com> |
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date | Thu, 23 Feb 2023 08:09:50 +0900 |
parents | 7142b04337d6 |
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rev | line source |
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6380
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Dynamic modules: dlopen() support.
Maxim Dounin <mdounin@mdounin.ru>
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1 |
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2 /* |
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3 * Copyright (C) Maxim Dounin |
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4 * Copyright (C) Nginx, Inc. |
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5 */ |
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6 |
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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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10 |
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11 |
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12 #if (NGX_HAVE_DLOPEN) |
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13 |
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14 char * |
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15 ngx_dlerror(void) |
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16 { |
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17 char *err; |
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18 |
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19 err = (char *) dlerror(); |
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20 |
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21 if (err == NULL) { |
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22 return ""; |
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23 } |
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24 |
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25 return err; |
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26 } |
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27 |
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28 #endif |