mirror of
https://github.com/brazilofmux/tinymux
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1c9ab993d1
Next notify slice: @mail and @email player feedback.
mail.cpp: convert constant raw_notify T("…") to M_ (~98 sites). The
static mailmsg[] invalid-spec table uses N_() for extraction and
mail_msg() for runtime gettext so the table does not need a refresh
pass. Leave tprintf formats, DASH_LINE/MAIL_LINE decoration, and logs
as T().
plusemail.cpp: four constant @email denials → M_().
Half-mark pass clean. Regenerate pot/xx without fuzzy entries.
345 lines
9.8 KiB
C++
345 lines
9.8 KiB
C++
/*! \file plusemail.cpp
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* \brief Quicky module implementing \@email function.
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*
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* \author Rachel Blackman <sparks@noderunner.net>
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*
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* \verbatim
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* Config options:
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* mail_server SMTP server to use (mail.bar.com)
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* mail_ehlo ehlo server (my.baz.com)
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* mail_sendaddr return address (foo@bar.com)
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* mail_sendname RFC822 'name' (FooMUSH)
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* mail_subject Defaults subject link (FooMUSH Mail)
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* \endverbatim
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*/
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#include "autoconf.h"
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#include "config.h"
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#include "externs.h"
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#include "ganl_stub.h"
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#include <string>
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// Encode mail body such that CRLF.CRLF only appears at the end of the
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// message. Here are some example transforms.
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//
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// <CR><LF>.<anytext><CR><LF> --> <CR><LF>..<CR><LF>
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// <BOM>.<anytext><CR><LF> --> <BOM>..<anytext><CR><LF>
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// <anytext><EOM> --> <anytext><CR><LF>.<CR><LF>
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// <anytext><CR><LF><EOM> --> <anytext><CR><LF>.<CR><LF>
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//
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// <CR> and <LF> are only allowed to occur as the <CR><LF> pair -- never alone.
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//
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// Code 0 - Any byte (including non-ASCII / UTF-8 continuation bytes).
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// Code 1 - NUL (0x00)
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// Code 2 - LF (0x0A)
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// Code 3 - CR (0x0D)
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// Code 4 - '.' (0x2E)
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//
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static const UTF8 BodyClasses[256] =
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{
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// 0 1 2 3 4 5 6 7 8 9 A B C D E F
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//
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1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 3, 0, 0, // 0
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, // 2
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 3
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 4
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 5
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 6
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 7
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 9
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // A
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // B
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // C
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // D
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // E
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // F
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};
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#define STATE_NOTHING 0
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#define STATE_BOM 1
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#define STATE_HAVE_CR 2
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#define STATE_HAVE_CRLF 3
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#define STATE_HAVE_CRLF_DOT 4
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#define STATE_HAVE_CRLF_DOT_CR 5
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#define STATE_HAVE_DOT 6
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#define STATE_HAVE_DOT_CR 7
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// Action 0 - Remain in current state.
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// Action 1 - Emit ch and remain in current state.
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// Action 2 - Emit ch and move to STATE_NOTHING.
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// Action 3 - Emit CRLF.CRLF and terminate.
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// Action 4 - Move to STATE_HAVE_CR.
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// Action 5 - Move to STATE_HAVE_DOT.
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// Action 6 - Move to STATE_HAVE_CRLF.
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// Action 7 - Emit CRLF+ch and move to STATE_NOTHING.
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// Action 8 - Emit CRLF and move to STATE_HAVE_CR.
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// Action 9 - Move to STATE_HAVE_CRLF_DOT.
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// Action 10 - Emit CRLF..+ch and move to STATE_NOTHING.
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// Action 11 - Emit CRLF..CRLF.CRLF and terminate.
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// Action 12 - Move to STATE_HAVE_CRLF_DOT_CR.
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// Action 13 - Emit CRLF.. and move to STATE_HAVE_CRLF.
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// Action 14 - Emit ..+ch and move to STATE_NOTHING.
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// Action 15 - Emit ..CRLF.CRLF and terminate.
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// Action 16 - Move to STATE_HAVE_DOT_CR.
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// Action 17 - Emit .. and move to STATE_HAVE_CRLF.
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//
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static const int BodyActions[8][5] =
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{
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// Any '\0' LF CR '.'
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{ 1, 3, 0, 4, 1}, // STATE_NOTHING
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{ 2, 3, 0, 4, 5}, // STATE_BOM
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{ 2, 3, 6, 0, 5}, // STATE_HAVE_CR
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{ 7, 3, 0, 8, 9}, // STATE_HAVE_CRLF
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{ 10, 11, 0, 12, 10}, // STATE_HAVE_CRLF_DOT
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{ 10, 11, 13, 0, 10}, // STATE_HAVE_CRLF_DOT_CR
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{ 14, 15, 0, 16, 14}, // STATE_HAVE_DOT
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{ 14, 15, 17, 0, 14} // STATE_HAVE_DOT_CR
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};
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UTF8 *EncodeBody(UTF8 *pBody)
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{
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thread_local UTF8 buf[2*LBUF_SIZE];
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UTF8 *bp = buf;
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int iState = STATE_BOM;
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for (;;)
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{
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UTF8 ch = *pBody++;
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int iAction = BodyActions[iState][BodyClasses[static_cast<unsigned char>(ch)]];
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switch (iAction)
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{
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case 0:
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// Action 0 - Remain in current state.
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//
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break;
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case 1:
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// Action 1 - Emit ch and remain in current state.
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//
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*bp++ = ch;
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break;
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case 2:
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// Action 2 - Emit ch and move to STATE_NOTHING.
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//
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*bp++ = ch;
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iState = STATE_NOTHING;
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break;
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case 3:
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// Action 3 - Emit CRLF.CRLF and terminate.
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//
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*bp++ = '\r';
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*bp++ = '\n';
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*bp++ = '.';
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*bp++ = '\r';
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*bp++ = '\n';
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*bp++ = '\0';
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return buf;
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break;
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case 4:
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// Action 4 - Move to STATE_HAVE_CR.
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//
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iState = STATE_HAVE_CR;
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break;
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case 5:
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// Action 5 - Move to STATE_HAVE_DOT.
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//
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iState = STATE_HAVE_DOT;
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break;
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case 6:
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// Action 6 - Move to STATE_HAVE_CRLF.
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//
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iState = STATE_HAVE_CRLF;
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break;
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case 7:
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// Action 7 - Emit CRLF+ch and move to STATE_NOTHING.
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//
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*bp++ = '\r';
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*bp++ = '\n';
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*bp++ = ch;
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iState = STATE_NOTHING;
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break;
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case 8:
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// Action 8 - Emit CRLF and move to STATE_HAVE_CR.
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//
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*bp++ = '\r';
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*bp++ = '\n';
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iState = STATE_HAVE_CR;
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break;
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case 9:
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// Action 9 - Move to STATE_HAVE_CRLF_DOT.
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//
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iState = STATE_HAVE_CRLF_DOT;
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break;
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case 10:
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// Action 10 - Emit CRLF..+ch and move to STATE_NOTHING.
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//
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*bp++ = '\r';
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*bp++ = '\n';
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*bp++ = '.';
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*bp++ = '.';
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*bp++ = ch;
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iState = STATE_NOTHING;
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break;
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case 11:
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// Action 11 - Emit CRLF..CRLF.CRLF and terminate.
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//
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*bp++ = '\r';
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*bp++ = '\n';
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*bp++ = '.';
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*bp++ = '.';
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*bp++ = '\r';
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*bp++ = '\n';
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*bp++ = '.';
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*bp++ = '\r';
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*bp++ = '\n';
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*bp++ = '\0';
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return buf;
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break;
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case 12:
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// Action 12 - Move to STATE_HAVE_CRLF_DOT_CR.
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//
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iState = STATE_HAVE_CRLF_DOT_CR;
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break;
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case 13:
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// Action 13 - Emit CRLF.. and move to STATE_HAVE_CRLF.
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//
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*bp++ = '\r';
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*bp++ = '\n';
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*bp++ = '.';
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*bp++ = '.';
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iState = STATE_HAVE_CRLF;
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break;
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case 14:
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// Action 14 - Emit ..+ch and move to STATE_NOTHING.
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//
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*bp++ = '.';
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*bp++ = '.';
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*bp++ = ch;
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iState = STATE_NOTHING;
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break;
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case 15:
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// Action 15 - Emit ..CRLF.CRLF and terminate.
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//
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*bp++ = '.';
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*bp++ = '.';
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*bp++ = '\r';
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*bp++ = '\n';
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*bp++ = '.';
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*bp++ = '\r';
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*bp++ = '\n';
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*bp++ = '\0';
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return buf;
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break;
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case 16:
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// Action 16 - Move to STATE_HAVE_DOT_CR.
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//
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iState = STATE_HAVE_DOT_CR;
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break;
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case 17:
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// Action 17 - Emit .. and move to STATE_HAVE_CRLF.
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//
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*bp++ = '.';
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*bp++ = '.';
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iState = STATE_HAVE_CRLF;
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break;
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}
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}
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}
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// Transform CRLF runs to a space.
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//
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// ConvertCRLFtoSpace moved to stringutil.cpp (libmux.so).
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void do_plusemail(dbref executor, dbref cause, dbref enactor, int eval, int key,
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int nargs, UTF8 *arg1, UTF8 *arg2, const UTF8 *cargs[], int ncargs)
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{
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UNUSED_PARAMETER(cause);
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UNUSED_PARAMETER(enactor);
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UNUSED_PARAMETER(eval);
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UNUSED_PARAMETER(key);
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UNUSED_PARAMETER(nargs);
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UNUSED_PARAMETER(cargs);
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UNUSED_PARAMETER(ncargs);
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if ( !Wizard(executor)
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&& ThrottleEmail(executor))
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{
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notify(executor, M_("@email: Too many emails sent recently."));
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return;
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}
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if ('\0' == mudconf.mail_server[0])
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{
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notify(executor, M_("@email: Not configured"));
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return;
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}
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if (!arg1 || !*arg1)
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{
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notify(executor, M_("@email: I don’t know who you want to e-mail!"));
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return;
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}
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if (!arg2 || !*arg2)
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{
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notify(executor, M_("@email: Not sending an empty e-mail!"));
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return;
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}
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LBuf addy = LBuf_Src("mod_email_do_email.headers");
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UTF8 *bp = addy.get();
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safe_str(arg1, addy, &bp);
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*bp = '\0';
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UTF8 *subject = reinterpret_cast<UTF8 *>(strchr(reinterpret_cast<char *>(addy.get()), '/'));
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if (subject)
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{
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*subject = '\0';
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subject++;
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}
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else
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{
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subject = mudconf.mail_subject;
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}
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LBuf body = LBuf_Src("mod_email_do_email.body");
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UTF8 *bodyptr = body.get();
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mux_exec(arg2, LBUF_SIZE-1, body, &bodyptr, executor, executor, executor,
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EV_TOP | EV_STRIP_CURLY | EV_FCHECK | EV_EVAL, nullptr, 0);
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*bodyptr = '\0';
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// GANL event-driven SMTP path.
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//
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// ConvertCRLFtoSpace() uses a single static buffer, so we must copy
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// the recipient result before calling it again for the subject.
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//
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UTF8 *pRecipient = ConvertCRLFtoSpace(addy);
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std::string recipientStr(reinterpret_cast<const char*>(pRecipient));
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UTF8 *pSubject = ConvertCRLFtoSpace(subject);
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g_GanlAdapter.start_email_send(executor,
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reinterpret_cast<const UTF8*>(recipientStr.c_str()),
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pSubject, EncodeBody(body));
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}
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