forked from KolibriOS/kolibrios
168 lines
4.5 KiB
C
168 lines
4.5 KiB
C
//Leency & SoUrcerer, LGPL
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void ParseMail()
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{
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dword line_off, new_buf;
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char tline[256];
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if ( mailend-mailstart > 9) if (strncmp(mailend-5,"\n.\n",5)==0) // note that c-- assembles "\n.\n" to 0x0d, 0x0a, 0x2e, 0x0d, 0x0a
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{
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aim = STOP;
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mailend -= 5;
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DSBYTE[mailend] = '\0';
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if (strstr(mailstart, "+OK")!=mailstart)
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{
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aim = GET_ANSWER_RETR;
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mailend = mailstart;
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debug("GET_ANSWER_RETR != +OK, retry GET_ANSWER_RETR");
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return;
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}
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mailsize = mailend - mailstart;
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debug("Getting QP");
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if (strstri(mailstart, "quoted-printable")!=0)
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{
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new_buf = malloc(mailsize);
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qp_decode stdcall (mailstart, new_buf, mailsize);
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if (EAX==-1) debug("Too small buffer to convert QUOTED-PRINTABLE");
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else
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{
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free(mailstart);
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mailstart = new_buf;
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mailsize = strlen(mailstart);
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mailend = mailsize + mailstart;
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}
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}
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debug("ProcessBase64");
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ProcessBase64();
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debug("GetHeaders: From, To, Date, Subject");
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GetHeader(#from, "\nFrom:");
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GetHeader(#to, "\nTo:");
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GetHeader(#date, "\nDate:");
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GetHeader(#subj, "\nSubject:");
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debug("Get mdata");
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mdata = strstr(mailstart, "\x0a\x0d") + 3;
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debug("ConvertToDOS");
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ConvertToDOS(mdata, mailstart);
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debug("SetAtrFromCurr");
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atr.SetAtrFromCurr(mail_list.current+1);
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DrawMailBox();
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}
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}
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void ConvertToDOS(dword inbuf, searchin)
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{
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dword dos_buf=0;
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if (use_iconv==1)
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{
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cur_charset = CH_CP866;
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if (strstri(searchin, "windows-1251")!=0) || (strstri(searchin, "windows1251")!=0)
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{ dos_buf = ChangeCharset("CP1251", "CP866", inbuf); cur_charset = CH_CP1251;}
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else if (strstri(searchin, "koi8-")!=0)
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{ dos_buf = ChangeCharset("KOI8-RU", "CP866", inbuf); cur_charset = CH_KOI8;}
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else if (strstri(searchin, "utf-8")!=0) || (strstri(searchin, "utf8")!=0)
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{ dos_buf = ChangeCharset("UTF-8", "CP866", inbuf); cur_charset = CH_UTF8;}
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else if (strstri(searchin, "iso8859-5")!=0) || (strstri(searchin, "iso-8859-5")!=0)
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{ dos_buf = ChangeCharset("ISO8859-5", "CP866", inbuf); cur_charset = CH_ISO8859_5;}
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else if (strstri(searchin, "windows-1252")!=0) || (strstri(searchin, "windows1252")!=0)
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{ dos_buf = ChangeCharset("CP1252", "CP866", inbuf); cur_charset = CH_CP1252;}
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}
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else
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{
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if (strstri(searchin, "windows-1251")!=0) wintodos( inbuf); else
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if (strstri(searchin, "koi8-")!=0) koitodos( inbuf); else
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if (strstri(searchin, "utf-8")!=0) utf8rutodos( inbuf);
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}
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}
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dword CopyBetweenOffsets(dword start, end) //do not forget to free(line) after use
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{
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dword line, new_line;
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if (end <= start) return 0;
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line = new_line = malloc(end - start + 3);
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while (end > start)
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{
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DSBYTE[new_line] = DSBYTE[start];
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start++;
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new_line++;
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}
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DSBYTE[new_line] = '\0';
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return line;
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}
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void GetHeader(dword workstr, searchstr)
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{
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char tmpbuf[512];
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dword Qoff;
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int q_start, b_start;
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strcpyb(mailstart, workstr, searchstr, "\n");
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/*
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debug(searchstr);
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debug(workstr);
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if (strlen(workstr)<8) return;
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q_start = strstri(workstr, "?Q?");
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b_start = strstri(workstr, "?B?");
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if (q_start)
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{
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qp_decode stdcall (workstr, #tmpbuf, strlen(workstr));
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ConvertToDOS(#tmpbuf, workstr);
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strcpy(workstr, #tmpbuf);
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Qoff = strstri(workstr, "?Q?");
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strcpy(workstr, Qoff);
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}
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//any text that goes after "?=" deletes now
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if (b_start)
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{
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base64_decode stdcall (b_start, #tmpbuf, strlen(b_start)-5);
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ConvertToDOS(#tmpbuf, workstr);
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strcpy(workstr, #tmpbuf);
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}
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if (strlen(workstr)+10*6-Form.cwidth>0) { workstr=Form.cwidth/6+workstr-12; DSBYTE[workstr]='\0';}
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*/
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}
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void ProcessBase64()
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{
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int b_start, b_end, b_size, b_buf;
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int clean_mailstart;
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b_start = strstr(mailstart, "?B?");
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debug("b_size");
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debugi(b_start);
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if (b_start)
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{
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b_end = strstr(b_start, "?=");
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debug("b_end");
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debugi(b_end);
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b_size = b_end - b_start;
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debug("b_size");
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debugi(b_size);
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b_buf = malloc(b_size);
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strcpyb(mailstart, b_buf, "?B?", "?=");
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debug("b_buf");
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debug(b_buf);
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base64_decode stdcall (b_buf, b_buf, b_size-3);
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ConvertToDOS(b_buf, mailstart);
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if (b_size<strlen(b_buf)) notify("base64 overflow");
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clean_mailstart = malloc(strlen(mailstart));
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strlcpy(clean_mailstart, mailstart, b_start-mailstart);
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strcat(clean_mailstart, b_buf);
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strcat(clean_mailstart, b_end+2);
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free(b_buf);
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free(mailstart);
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mailsize = strlen(clean_mailstart);
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mailstart = clean_mailstart;
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mailend = mailstart + mailsize;
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ProcessBase64();
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}
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}
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//
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