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path: root/protocols/YAMN/src/mails/decode.cpp
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Diffstat (limited to 'protocols/YAMN/src/mails/decode.cpp')
-rw-r--r--protocols/YAMN/src/mails/decode.cpp413
1 files changed, 196 insertions, 217 deletions
diff --git a/protocols/YAMN/src/mails/decode.cpp b/protocols/YAMN/src/mails/decode.cpp
index e0070658eb..414edfce60 100644
--- a/protocols/YAMN/src/mails/decode.cpp
+++ b/protocols/YAMN/src/mails/decode.cpp
@@ -158,19 +158,19 @@ int CPLENSUPP = 1;
//Gets codepage ID from string representing charset such as "iso-8859-1"
// input- the string
// size- max length of input string
-int GetCharsetFromString(char *input,size_t size);
+int GetCharsetFromString(char *input, size_t size);
//HexValue to DecValue ('a' to 10)
// HexValue- hexa value ('a')
// DecValue- poiner where to store dec value
// returns 0 if not success
-int FromHexa(char HexValue,char *DecValue);
+int FromHexa(char HexValue, char *DecValue);
//Decodes a char from Base64
// Base64Value- input char in Base64
// DecValue- pointer where to store the result
// returns 0 if not success
-int FromBase64(char Base64Value,char *DecValue);
+int FromBase64(char Base64Value, char *DecValue);
//Decodes string in quoted printable
// Src- input string
@@ -178,58 +178,57 @@ int FromBase64(char Base64Value,char *DecValue);
// DstLen- how max long should be output string
// isQ- if is "Q-encoding" modification. should be TRUE in headers
// always returns 1
-int DecodeQuotedPrintable(char *Src,char *Dst,int DstLen, BOOL isQ);
+int DecodeQuotedPrintable(char *Src, char *Dst, int DstLen, BOOL isQ);
//Decodes string in base64
// Src- input string
// Dst- where to store output string
// DstLen- how max long should be output string
// returns 0 if string was not properly decoded
-int DecodeBase64(char *Src,char *Dst,int DstLen);
+int DecodeBase64(char *Src, char *Dst, int DstLen);
//Converts string to unicode from string with specified codepage
// stream- input string
// cp- codepage of input string
// out- pointer to new allocated memory that contains unicode string
-int ConvertStringToUnicode(char *stream,unsigned int cp,wchar_t **out);
+int ConvertStringToUnicode(char *stream, unsigned int cp, wchar_t **out);
//Converts string from MIME header to unicode
// stream- input string
// cp- codepage of input string
// storeto- pointer to memory that contains unicode string
// mode- MIME_PLAIN or MIME_MAIL (MIME_MAIL deletes '"' from start and end of string)
-void ConvertCodedStringToUnicode(char *stream,wchar_t **storeto,uint32_t cp,int mode);
+void ConvertCodedStringToUnicode(char *stream, wchar_t **storeto, uint32_t cp, int mode);
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
-int GetCharsetFromString(char *input,size_t size)
+int GetCharsetFromString(char *input, size_t size)
//"ISO-8859-1" to ID from table
{
- char *pin=input;
- char *pout,*parser;
+ char *pin = input;
+ char *pout, *parser;
- if ((size<1) || (parser=pout=new char[size+1])==nullptr)
+ if ((size < 1) || (parser = pout = new char[size + 1]) == nullptr)
return -1;
- while((*pin != 0) && (pin-input< (INT_PTR)size))
- {
- if ((*pin>='a') && (*pin<='z'))
- *parser++=*(pin++)-('a'-'A'); // make it capital
+ while ((*pin != 0) && (pin - input < (INT_PTR)size)) {
+ if ((*pin >= 'a') && (*pin <= 'z'))
+ *parser++ = *(pin++) - ('a' - 'A'); // make it capital
//else if (*pin=='\"') // this is already done in ExtractFromContentType
// *pin++; //skip the quotes if any
- else
- *parser++=*pin++;
+ else
+ *parser++ = *pin++;
}
*parser = 0;
-#ifdef DEBUG_DECODECODEPAGE
- DebugLog(DecodeFile,"<CodePage>%s</CodePage>",pout);
-#endif
- for (int i=0;i<CPLENALL;i++) {
+ #ifdef DEBUG_DECODECODEPAGE
+ DebugLog(DecodeFile, "<CodePage>%s</CodePage>", pout);
+ #endif
+ for (int i = 0; i < CPLENALL; i++) {
size_t len = mir_strlen(CodePageNamesAll[i].NameBase);
- if (0==strncmp(pout,CodePageNamesAll[i].NameBase,len)) {
- if (0==mir_strcmp(pout+len,CodePageNamesAll[i].NameSub)) {
+ if (0 == strncmp(pout, CodePageNamesAll[i].NameBase, len)) {
+ if (0 == mir_strcmp(pout + len, CodePageNamesAll[i].NameSub)) {
delete[] pout;
return CodePageNamesAll[i].CP;
}
@@ -239,312 +238,292 @@ int GetCharsetFromString(char *input,size_t size)
return -1; //not found
}
-int FromHexa(char HexValue,char *DecValue)
+int FromHexa(char HexValue, char *DecValue)
{
- if (HexValue>='0' && HexValue<='9')
- {
- *DecValue=HexValue-'0';
+ if (HexValue >= '0' && HexValue <= '9') {
+ *DecValue = HexValue - '0';
return 1;
}
- if (HexValue>='A' && HexValue<='F')
- {
- *DecValue=HexValue-'A'+10;
+ if (HexValue >= 'A' && HexValue <= 'F') {
+ *DecValue = HexValue - 'A' + 10;
return 1;
}
- if (HexValue>='a' && HexValue<='f')
- {
- *DecValue=HexValue-'a'+10;
+ if (HexValue >= 'a' && HexValue <= 'f') {
+ *DecValue = HexValue - 'a' + 10;
return 1;
}
return 0;
}
-int FromBase64(char Base64Value,char *DecValue)
+int FromBase64(char Base64Value, char *DecValue)
{
- if (Base64Value>='A' && Base64Value<='Z')
- {
- *DecValue=Base64Value-'A';
+ if (Base64Value >= 'A' && Base64Value <= 'Z') {
+ *DecValue = Base64Value - 'A';
return 1;
}
- if (Base64Value>='a' && Base64Value<='z')
- {
- *DecValue=Base64Value-'a'+26;
+ if (Base64Value >= 'a' && Base64Value <= 'z') {
+ *DecValue = Base64Value - 'a' + 26;
return 1;
}
- if (Base64Value>='0' && Base64Value<='9')
- {
- *DecValue=Base64Value-'0'+52;
+ if (Base64Value >= '0' && Base64Value <= '9') {
+ *DecValue = Base64Value - '0' + 52;
return 1;
}
- if (Base64Value=='+')
- {
- *DecValue=Base64Value-'+'+62;
+ if (Base64Value == '+') {
+ *DecValue = Base64Value - '+' + 62;
return 1;
}
- if (Base64Value=='/')
- {
- *DecValue=Base64Value-'/'+63;
+ if (Base64Value == '/') {
+ *DecValue = Base64Value - '/' + 63;
return 1;
}
- if (Base64Value=='=')
- {
- *DecValue=0;
+ if (Base64Value == '=') {
+ *DecValue = 0;
return 1;
}
return 0;
}
-int DecodeQuotedPrintable(char *Src,char *Dst,int DstLen, BOOL isQ)
+int DecodeQuotedPrintable(char *Src, char *Dst, int DstLen, BOOL isQ)
{
-#ifdef DEBUG_DECODEQUOTED
- char *DstTemp=Dst;
- DebugLog(DecodeFile,"<Decode Quoted><Input>%s</Input>",Src);
-#endif
- for (int Counter=0;(*Src != 0) && DstLen && (Counter++<DstLen);Src++,Dst++)
- if (*Src=='=')
- {
+ #ifdef DEBUG_DECODEQUOTED
+ char *DstTemp = Dst;
+ DebugLog(DecodeFile, "<Decode Quoted><Input>%s</Input>", Src);
+ #endif
+ for (int Counter = 0; (*Src != 0) && DstLen && (Counter++ < DstLen); Src++, Dst++)
+ if (*Src == '=') {
if (!isQ) {
- if (Src[1]==0x0D) {
+ if (Src[1] == 0x0D) {
Src++; Src++;
- if (Src[0]==0x0A) Src++;
+ if (Src[0] == 0x0A) Src++;
goto CopyCharQuotedPrintable;
}
- if (Src[1]==0x0A) {
+ if (Src[1] == 0x0A) {
Src++; Src++;
goto CopyCharQuotedPrintable;
}
}
- char First,Second;
- if (!FromHexa(*(++Src),&First))
- {
- *Dst++='=';Src--;
+ char First, Second;
+ if (!FromHexa(*(++Src), &First)) {
+ *Dst++ = '='; Src--;
continue;
}
- if (!FromHexa(*(++Src),&Second))
- {
- *Dst++='=';Src--;Src--;
+ if (!FromHexa(*(++Src), &Second)) {
+ *Dst++ = '='; Src--; Src--;
continue;
}
- *Dst=(char)(First)<<4;
- *Dst+=Second;
+ *Dst = (char)(First) << 4;
+ *Dst += Second;
}
- else if (isQ && *Src=='_')
- *Dst=' ';
+ else if (isQ && *Src == '_')
+ *Dst = ' ';
else
-CopyCharQuotedPrintable: // Yeah. Bad programming stile.
- *Dst=*Src;
- *Dst=0;
-#ifdef DEBUG_DECODEQUOTED
- DebugLog(DecodeFile,"<Output>%s</Output></Decode Quoted>",DstTemp);
-#endif
+ CopyCharQuotedPrintable: // Yeah. Bad programming stile.
+ *Dst = *Src;
+ *Dst = 0;
+ #ifdef DEBUG_DECODEQUOTED
+ DebugLog(DecodeFile, "<Output>%s</Output></Decode Quoted>", DstTemp);
+ #endif
return 1;
}
-int DecodeBase64(char *Src,char *Dst,int DstLen)
+int DecodeBase64(char *Src, char *Dst, int DstLen)
{
- int Result=0;
- char Locator=0,MiniResult[4];
- char *End=Dst+DstLen;
-
- MiniResult[0]=MiniResult[1]=MiniResult[2]=MiniResult[3]=0;
-
-#ifdef DEBUG_DECODEBASE64
- char *DstTemp=Dst;
- DebugLog(DecodeFile,"<Decode Base64><Input>\n%s\n</Input>\n",Src);
-#endif
- while(*Src != 0 && DstLen && Dst != End)
- {
- if ((*Src==0x0D)||(*Src==0x0A)) {
- Src++;
+ int Result = 0;
+ char Locator = 0, MiniResult[4];
+ char *End = Dst + DstLen;
+
+ MiniResult[0] = MiniResult[1] = MiniResult[2] = MiniResult[3] = 0;
+
+ #ifdef DEBUG_DECODEBASE64
+ char *DstTemp = Dst;
+ DebugLog(DecodeFile, "<Decode Base64><Input>\n%s\n</Input>\n", Src);
+ #endif
+ while (*Src != 0 && DstLen && Dst != End) {
+ if ((*Src == 0x0D) || (*Src == 0x0A)) {
+ Src++;
continue;
}
- if ((!(Result=FromBase64(*Src,MiniResult+Locator)) && (*Src==0)) || Locator++==3) //end_of_str || end_of_4_bytes
+ if ((!(Result = FromBase64(*Src, MiniResult + Locator)) && (*Src == 0)) || Locator++ == 3) //end_of_str || end_of_4_bytes
{
- Locator=0; //next write to the first byte
- *Dst++=(char)((MiniResult[0]<<2) | (MiniResult[1]>>4));
- if (Dst==End) goto end; //DstLen exceeded?
- *Dst++=(char)((MiniResult[1]<<4) | (MiniResult[2]>>2));
- if (Dst==End) goto end; //someones don't like goto, but not me
- *Dst++=(char)((MiniResult[2]<<6) | MiniResult[3]);
- if (!Result && (*Src==0)) goto end; //end of string?
- MiniResult[0]=MiniResult[1]=MiniResult[2]=MiniResult[3]=0; //zero 4byte buffer for next loop
+ Locator = 0; //next write to the first byte
+ *Dst++ = (char)((MiniResult[0] << 2) | (MiniResult[1] >> 4));
+ if (Dst == End) goto end; //DstLen exceeded?
+ *Dst++ = (char)((MiniResult[1] << 4) | (MiniResult[2] >> 2));
+ if (Dst == End) goto end; //someones don't like goto, but not me
+ *Dst++ = (char)((MiniResult[2] << 6) | MiniResult[3]);
+ if (!Result && (*Src == 0)) goto end; //end of string?
+ MiniResult[0] = MiniResult[1] = MiniResult[2] = MiniResult[3] = 0; //zero 4byte buffer for next loop
}
if (!Result) return 0; //unrecognised character occured
Src++;
}
end:
- *Dst=0;
-#ifdef DEBUG_DECODEBASE64
- DebugLog(DecodeFile,"<Output>\n%s\n</Output></Decode Base64>",DstTemp);
-#endif
+ *Dst = 0;
+ #ifdef DEBUG_DECODEBASE64
+ DebugLog(DecodeFile, "<Output>\n%s\n</Output></Decode Base64>", DstTemp);
+ #endif
return 1;
}
-int ConvertStringToUnicode(char *stream,unsigned int cp,wchar_t **out)
+int ConvertStringToUnicode(char *stream, unsigned int cp, wchar_t **out)
{
CPINFO CPInfo;
- wchar_t *temp,*src=*out,*dest;
+ wchar_t *temp, *src = *out, *dest;
size_t outlen;
- int streamlen,Index;
+ int streamlen, Index;
//codepages, which require to have set 0 in dwFlags parameter when calling MultiByteToWideChar
- uint32_t CodePagesZeroFlags[]={50220,50221,50222,50225,50227,50229,52936,54936,57002,57003,57004,57005,57006,57007,57008,57009,57010,57011,65000,65001};
-
- if ((cp != CP_ACP) && (cp != CP_OEMCP) && (cp != CP_MACCP) && (cp != CP_THREAD_ACP) && (cp != CP_SYMBOL) && (cp != CP_UTF7) && (cp != CP_UTF8) && !GetCPInfo(cp,&CPInfo))
- cp=CP_ACP;
-#ifdef DEBUG_DECODECODEPAGE
- DebugLog(DecodeFile,"<CodePage #>%d</CodePage #>",cp);
-#endif
-
- for (Index=0;Index<sizeof(CodePagesZeroFlags)/sizeof(CodePagesZeroFlags[0]);Index++)
- if (CodePagesZeroFlags[Index]==cp)
- {
- Index=-1;
+ uint32_t CodePagesZeroFlags[] = {50220, 50221, 50222, 50225, 50227, 50229, 52936, 54936, 57002, 57003, 57004, 57005, 57006, 57007, 57008, 57009, 57010, 57011, 65000, 65001};
+
+ if ((cp != CP_ACP) && (cp != CP_OEMCP) && (cp != CP_MACCP) && (cp != CP_THREAD_ACP) && (cp != CP_SYMBOL) && (cp != CP_UTF7) && (cp != CP_UTF8) && !GetCPInfo(cp, &CPInfo))
+ cp = CP_ACP;
+ #ifdef DEBUG_DECODECODEPAGE
+ DebugLog(DecodeFile, "<CodePage #>%d</CodePage #>", cp);
+ #endif
+
+ for (Index = 0; Index < sizeof(CodePagesZeroFlags) / sizeof(CodePagesZeroFlags[0]); Index++)
+ if (CodePagesZeroFlags[Index] == cp) {
+ Index = -1;
break;
}
- if (Index==-1)
- streamlen=MultiByteToWideChar(cp,0,stream,-1,nullptr,0);
+ if (Index == -1)
+ streamlen = MultiByteToWideChar(cp, 0, stream, -1, nullptr, 0);
else
- streamlen=MultiByteToWideChar(cp,MB_USEGLYPHCHARS,stream,-1,nullptr,0);
+ streamlen = MultiByteToWideChar(cp, MB_USEGLYPHCHARS, stream, -1, nullptr, 0);
if (*out != nullptr)
- outlen=mir_wstrlen(*out);
+ outlen = mir_wstrlen(*out);
else
- outlen=0;
- temp=new wchar_t[streamlen+outlen+1];
-
- if (*out != nullptr)
- {
- for (dest=temp;*src != (wchar_t)0;src++,dest++) //copy old string from *out to temp
- *dest=*src;
-// *dest++=L' '; //add space?
- delete[] *out;
+ outlen = 0;
+ temp = new wchar_t[streamlen + outlen + 1];
+
+ if (*out != nullptr) {
+ for (dest = temp; *src != (wchar_t)0; src++, dest++) //copy old string from *out to temp
+ *dest = *src;
+ // *dest++=L' '; //add space?
+ delete[] * out;
}
else
- dest=temp;
- *out=temp;
-
- if (Index==-1)
- {
- if (!MultiByteToWideChar(cp,0,stream,-1,dest,streamlen))
+ dest = temp;
+ *out = temp;
+
+ if (Index == -1) {
+ if (!MultiByteToWideChar(cp, 0, stream, -1, dest, streamlen))
return 0;
}
- else
- {
- if (!MultiByteToWideChar(cp,MB_USEGLYPHCHARS,stream,-1,dest,streamlen))
+ else {
+ if (!MultiByteToWideChar(cp, MB_USEGLYPHCHARS, stream, -1, dest, streamlen))
return 0;
}
return 1;
}
-void ConvertCodedStringToUnicode(char *stream,wchar_t **storeto,uint32_t cp,int mode)
+void ConvertCodedStringToUnicode(char *stream, wchar_t **storeto, uint32_t cp, int mode)
{
- char *start=stream,*finder,*finderend;
- char Encoding=0;
+ char *start = stream, *finder, *finderend;
+ char Encoding = 0;
- if (stream==nullptr)
+ if (stream == nullptr)
return;
- while(WS(start)) start++;
- wchar_t *tempstore=nullptr;
- if (!ConvertStringToUnicode(stream,cp,&tempstore))return;
+ while (WS(start)) start++;
+ wchar_t *tempstore = nullptr;
+ if (!ConvertStringToUnicode(stream, cp, &tempstore))return;
size_t tempstoreLength = mir_wstrlen(tempstore);
-
+
size_t outind = 0;
- while(*start != 0) {
+ while (*start != 0) {
if (CODES(start)) {
- finder=start+2;finderend=finder;
- while(!CODED(finderend) && !EOS(finderend)) finderend++;
+ finder = start + 2; finderend = finder;
+ while (!CODED(finderend) && !EOS(finderend)) finderend++;
start = finderend;
- if (CODED(finderend))
- {
- Encoding=*(finderend+1);
- switch(Encoding)
- {
- case 'b':
- case 'B':
- case 'q':
- case 'Q':
- break;
- default:
- goto NotEncoded;
+ if (CODED(finderend)) {
+ Encoding = *(finderend + 1);
+ switch (Encoding) {
+ case 'b':
+ case 'B':
+ case 'q':
+ case 'Q':
+ break;
+ default:
+ goto NotEncoded;
}
- if (-1==(cp=(uint32_t)GetCharsetFromString(finder,finderend-finder)))
- cp=CP_ACP;
- if (Encoding != 0)
- {
- int size = 0,codeend;
+ if (-1 == (cp = (uint32_t)GetCharsetFromString(finder, finderend - finder)))
+ cp = CP_ACP;
+ if (Encoding != 0) {
+ int size = 0, codeend;
char *pcodeend = nullptr;
- finder=finderend+2;
+ finder = finderend + 2;
if (CODED(finder))
finder++;
- while(WS(finder)) finder++;
- finderend=finder;
- while(!CODEE(finderend) && !EOS(finderend)) finderend++;
- if (codeend=CODEE(finderend))
- pcodeend=finderend;
- while(WS(finderend-1)) finderend--;
- if ((mode==MIME_MAIL) && (((*finder=='"') && (*(finderend-1)=='"'))))
- {
+ while (WS(finder)) finder++;
+ finderend = finder;
+ while (!CODEE(finderend) && !EOS(finderend)) finderend++;
+ if (codeend = CODEE(finderend))
+ pcodeend = finderend;
+ while (WS(finderend - 1)) finderend--;
+ if ((mode == MIME_MAIL) && (((*finder == '"') && (*(finderend - 1) == '"')))) {
finder++;
finderend--;
}
- char *oneWordEncoded = new char[finderend-finder+1];
- strncpy(oneWordEncoded,finder,finderend-finder);
- oneWordEncoded[finderend-finder]=0;
- switch(Encoding)
- {
- case 'b':
- case 'B':
- size=(finderend-finder)*3/4+3+1+1;
- break;
- case 'q':
- case 'Q':
- size=finderend-finder+1+1;
- break;
+ char *oneWordEncoded = new char[finderend - finder + 1];
+ strncpy(oneWordEncoded, finder, finderend - finder);
+ oneWordEncoded[finderend - finder] = 0;
+ switch (Encoding) {
+ case 'b':
+ case 'B':
+ size = (finderend - finder) * 3 / 4 + 3 + 1 + 1;
+ break;
+ case 'q':
+ case 'Q':
+ size = finderend - finder + 1 + 1;
+ break;
}
- char *DecodedResult = new char[size+1];
- switch(Encoding)
- {
- case 'q':
- case 'Q':
- DecodeQuotedPrintable(oneWordEncoded,DecodedResult,size, TRUE);
- break;
- case 'b':
- case 'B':
- DecodeBase64(oneWordEncoded,DecodedResult,size);
- break;
+ char *DecodedResult = new char[size + 1];
+ switch (Encoding) {
+ case 'q':
+ case 'Q':
+ DecodeQuotedPrintable(oneWordEncoded, DecodedResult, size, TRUE);
+ break;
+ case 'b':
+ case 'B':
+ DecodeBase64(oneWordEncoded, DecodedResult, size);
+ break;
}
delete[] oneWordEncoded;
if (codeend)
- finderend=pcodeend+2;
+ finderend = pcodeend + 2;
if (WS(finderend)) //if string continues and there's some whitespace, add space to string that is to be converted
{
- size_t len=mir_strlen(DecodedResult);
- DecodedResult[len]=' ';
- DecodedResult[len+1]=0;
+ size_t len = mir_strlen(DecodedResult);
+ DecodedResult[len] = ' ';
+ DecodedResult[len + 1] = 0;
finderend++;
}
- wchar_t *oneWord=nullptr;
- if (ConvertStringToUnicode(DecodedResult,cp,&oneWord)) {
+ wchar_t *oneWord = nullptr;
+ if (ConvertStringToUnicode(DecodedResult, cp, &oneWord)) {
size_t len = mir_wstrlen(oneWord);
- memcpy(&tempstore[outind],oneWord,len*sizeof(wchar_t));
+ memcpy(&tempstore[outind], oneWord, len * sizeof(wchar_t));
outind += len;
}
delete oneWord;
oneWord = nullptr;
delete[] DecodedResult;
start = finderend;
- } else if (!EOS(start)) start++;
- } else if (!EOS(start)) start++;
- }else{
+ }
+ else if (!EOS(start)) start++;
+ }
+ else if (!EOS(start)) start++;
+ }
+ else {
NotEncoded:
- tempstore[outind] = tempstore[start-stream];
+ tempstore[outind] = tempstore[start - stream];
outind++;
if (outind > tempstoreLength) break;
start++;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 21:58:01 +0000