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annotate src/os/win32/ngx_errno.c @ 9274:46ecad404a29 default tip

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Mail: reset imap tag to empty after authentication attempt. We need to reset the imap tag to empty after an authentication attempt completes, otherwise if the next line parsed is incomplete with no tag (e.g. empty line) then we use the "tag" from the previous buffer which is now definitely wrong and has been partially overwritten with the most recently read data (e.g. CRLF). An example before this patch: S: * OK IMAP4 ready C: foobar login a b S: foobar NO Incorrect username or password. C: S: S: obar BAD invalid command Then with this patch: S: * OK IMAP4 ready C: foobar login a b S: foobar NO Incorrect username or password. C: S: * BAD invalid command
author Rob Mueller <robm@fastmailteam.com>
date Wed, 15 May 2024 10:06:00 +0300
parents 746567d633ac
children
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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8 #include <ngx_config.h>
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c9b243802a17 nginx-0.0.1-2003-05-30-18:27:59 import
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9 #include <ngx_core.h>
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12 u_char *
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13 ngx_strerror(ngx_err_t err, u_char *errstr, size_t size)
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14 {
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15 u_int len;
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16 static u_long lang = MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US);
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18 if (size == 0) {
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19 return errstr;
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20 }
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21
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22 len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
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23 NULL, err, lang, (char *) errstr, size, NULL);
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24
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25 if (len == 0 && lang) {
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26
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27 /*
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28 * Try to use English messages first and fallback to a language,
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29 * based on locale: non-English Windows have no English messages
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30 * at all. This way allows to use English messages at least on
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31 * Windows with MUI.
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32 */
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33
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34 lang = 0;
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35
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36 len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
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37 NULL, err, lang, (char *) errstr, size, NULL);
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38 }
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40 if (len == 0) {
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41 return ngx_snprintf(errstr, size,
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42 "FormatMessage() error:(%d)", GetLastError());
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43 }
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45 /* remove ".\r\n\0" */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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46 while (errstr[len] == '\0' || errstr[len] == CR
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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47 || errstr[len] == LF || errstr[len] == '.')
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48 {
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49 --len;
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50 }
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52 return &errstr[++len];
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53 }
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56 ngx_int_t
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57 ngx_strerror_init(void)
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58 {
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59 return NGX_OK;
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60 }