diff options
Diffstat (limited to 'plugins/FileAsMessage/base64.c')
-rw-r--r-- | plugins/FileAsMessage/base64.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/plugins/FileAsMessage/base64.c b/plugins/FileAsMessage/base64.c deleted file mode 100644 index 220cd85027..0000000000 --- a/plugins/FileAsMessage/base64.c +++ /dev/null @@ -1,93 +0,0 @@ -#define XNetlib_GetBase64DecodedBufferSize(cchEncoded) (((cchEncoded)>>2)*3)
-#define XNetlib_GetBase64EncodedBufferSize(cbDecoded) (((cbDecoded)*4+11)/12*4+1)
-
-static char base64chars[]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-int XNetlibBase64Encode(WPARAM wParam,LPARAM lParam)
-{
- NETLIBBASE64 *nlb64=(NETLIBBASE64*)lParam;
- int iIn;
- char *pszOut;
- PBYTE pbIn;
-
- if(nlb64==NULL || nlb64->pszEncoded==NULL || nlb64->pbDecoded==NULL) {
- SetLastError(ERROR_INVALID_PARAMETER);
- return 0;
- }
- if(nlb64->cchEncoded<XNetlib_GetBase64EncodedBufferSize(nlb64->cbDecoded)) {
- SetLastError(ERROR_BUFFER_OVERFLOW);
- return 0;
- }
- nlb64->cchEncoded=XNetlib_GetBase64EncodedBufferSize(nlb64->cbDecoded);
- for(iIn=0,pbIn=nlb64->pbDecoded,pszOut=nlb64->pszEncoded;iIn<nlb64->cbDecoded;iIn+=3,pbIn+=3,pszOut+=4) {
- pszOut[0]=base64chars[pbIn[0]>>2];
- if(nlb64->cbDecoded-iIn==1) {
- pszOut[1]=base64chars[(pbIn[0]&3)<<4];
- pszOut[2]='=';
- pszOut[3]='=';
- pszOut+=4;
- break;
- }
- pszOut[1]=base64chars[((pbIn[0]&3)<<4)|(pbIn[1]>>4)];
- if(nlb64->cbDecoded-iIn==2) {
- pszOut[2]=base64chars[(pbIn[1]&0xF)<<2];
- pszOut[3]='=';
- pszOut+=4;
- break;
- }
- pszOut[2]=base64chars[((pbIn[1]&0xF)<<2)|(pbIn[2]>>6)];
- pszOut[3]=base64chars[pbIn[2]&0x3F];
- }
- pszOut[0]='\0';
- return 1;
-}
-
-BYTE Base64CharToInt(char c)
-{
- if(c>='A' && c<='Z') return c-'A';
- if(c>='a' && c<='z') return c-'a'+26;
- if(c>='0' && c<='9') return c-'0'+52;
- if(c=='+') return 62;
- if(c=='/') return 63;
- if(c=='=') return 64;
- return 255;
-}
-
-int XNetlibBase64Decode(WPARAM wParam,LPARAM lParam)
-{
- NETLIBBASE64 *nlb64=(NETLIBBASE64*)lParam;
- char *pszIn;
- PBYTE pbOut;
- BYTE b1,b2,b3,b4;
- int iIn;
-
- if(nlb64==NULL || nlb64->pszEncoded==NULL || nlb64->pbDecoded==NULL) {
- SetLastError(ERROR_INVALID_PARAMETER);
- return 0;
- }
- if(nlb64->cchEncoded&3) {
- SetLastError(ERROR_INVALID_DATA);
- return 0;
- }
- if(nlb64->cbDecoded<XNetlib_GetBase64DecodedBufferSize(nlb64->cchEncoded)) {
- SetLastError(ERROR_BUFFER_OVERFLOW);
- return 0;
- }
- nlb64->cbDecoded=XNetlib_GetBase64DecodedBufferSize(nlb64->cchEncoded);
- for(iIn=0,pszIn=nlb64->pszEncoded,pbOut=nlb64->pbDecoded;iIn<nlb64->cchEncoded;iIn+=4,pszIn+=4,pbOut+=3) {
- b1=Base64CharToInt(pszIn[0]);
- b2=Base64CharToInt(pszIn[1]);
- b3=Base64CharToInt(pszIn[2]);
- b4=Base64CharToInt(pszIn[3]);
- if(b1==255 || b1==64 || b2==255 || b2==64 || b3==255 || b4==255) {
- SetLastError(ERROR_INVALID_DATA);
- return 0;
- }
- pbOut[0]=(b1<<2)|(b2>>4);
- if(b3==64) {nlb64->cbDecoded-=2; break;}
- pbOut[1]=(b2<<4)|(b3>>2);
- if(b4==64) {nlb64->cbDecoded--; break;}
- pbOut[2]=b4|(b3<<6);
- }
- return 1;
-}
|