diff options
Diffstat (limited to 'plugins/CryptoPP/src/GPGw/main.c')
| -rw-r--r-- | plugins/CryptoPP/src/GPGw/main.c | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/plugins/CryptoPP/src/GPGw/main.c b/plugins/CryptoPP/src/GPGw/main.c new file mode 100644 index 0000000000..fc23b24262 --- /dev/null +++ b/plugins/CryptoPP/src/GPGw/main.c @@ -0,0 +1,369 @@ +#include "commonheaders.h"
+
+
+BOOL ShowSelectExecDlg(LPSTR);
+BOOL ShowSelectHomeDlg(LPSTR);
+
+
+int __cdecl _gpg_init()
+{
+ GetTempPath(sizeof(temporarydirectory),temporarydirectory);
+ logfile[0]='\0';
+ initPassphrases();
+ initKeyUserIDs(publickeyuserid);
+ initKeyUserIDs(secretkeyuserid);
+ return 1;
+}
+
+
+int __cdecl _gpg_done()
+{
+ releaseKeyUserIDs(secretkeyuserid);
+ releaseKeyUserIDs(publickeyuserid);
+ releasePassphrases();
+ return 1;
+}
+
+
+int __cdecl _gpg_open_keyrings(LPSTR ExecPath, LPSTR HomePath)
+{
+ if ( !ExecPath || (!*ExecPath && !ShowSelectExecDlg(ExecPath)) ) {
+ return 0;
+ }
+ if ( !HomePath || (!*HomePath && !ShowSelectHomeDlg(HomePath)) ) {
+ return 0;
+ }
+ if ( !existsFile(ExecPath) ) {
+// ErrorMessage(txtwarning, txtinvalidexecutable, txtverifyoptions);
+ return 0;
+ }
+ strcpy(gpgExecutable, ExecPath);
+ strcpy(gpgHomeDirectory, HomePath);
+ updateKeyUserIDs(publickeyuserid);
+ updateKeyUserIDs(secretkeyuserid);
+ return 1;
+}
+
+
+int __cdecl _gpg_close_keyrings()
+{
+ return 1;
+}
+
+
+LPSTR __cdecl _gpg_get_error()
+{
+ return 0;
+}
+
+
+void __cdecl _gpg_set_log(LPCSTR LogPath)
+{
+ if(LogPath) strncpy(logfile,LogPath,sizeof(logfile));
+ else logfile[0]='\0';
+}
+
+
+void __cdecl _gpg_set_tmp(LPCSTR TmpPath)
+{
+ if(TmpPath) strncpy(temporarydirectory,TmpPath,sizeof(temporarydirectory));
+ else GetTempPath(sizeof(temporarydirectory),temporarydirectory);
+}
+
+
+LPSTR __cdecl _gpg_get_passphrases()
+{
+ size_t i; char *b, x;
+
+ b = (char *) LocalAlloc(LPTR,(keyuseridsize+passphrasesize)*passphrasecount+1); *b = '\0';
+
+ for(i=0; i<(size_t)passphrasecount; i++) {
+ strcat(b,passphrases[i].keyuserid); strcat(b,"\x01");
+ strcat(b,passphrases[i].passphrase); strcat(b,"\x02");
+ }
+
+ // encrypt
+ for(i=0; i<strlen(b); i++)
+ if ( b[i]>2 ) {
+ x = b[i] ^ ( (i&0x7f) ^ 13);
+ if ( x>2 ) b[i]=x;
+ }
+
+ return b;
+}
+
+
+void __cdecl _gpg_set_passphrases(LPCSTR buffer)
+{
+ size_t i, l = strlen(buffer); char *t, *p, *b, x;
+
+ if ( !l ) return;
+
+ b = (char *) LocalAlloc(LPTR,l+1);
+ strcpy(b, buffer);
+
+ // decrypt
+ for(i=0; i<strlen(b); i++)
+ if ( b[i]>2 ) {
+ x = b[i] ^ ( (i&0x7f) ^ 13);
+ if ( x>2 ) b[i]=x;
+ }
+
+ while(*b) {
+ t = strchr(b, '\x02');
+ if(t) {
+ *t = '\0';
+ p = strchr(b, '\x01');
+ *p = '\0';
+ addPassphrase(b, p+1);
+ t++;
+ }
+ b = t;
+ }
+ LocalFree(b);
+}
+
+
+LPSTR __cdecl _gpg_encrypt(LPCSTR message, LPCSTR keyid)
+{
+ char buffer[ciphertextsize];
+ char *encmessage = 0;
+ int encmessagelen;
+ gpgResult gpgresult;
+
+ if(strlen(keyid))
+ {
+ ZeroMemory(buffer, sizeof(buffer));
+ gpgresult=gpgEncrypt(buffer, keyid, message);
+
+ if(gpgresult!=gpgSuccess)
+ {
+// ErrorMessage(txterror, txtencryptfailed, txtverifyoptions);
+ return 0;
+ }
+ encmessagelen = strlen(buffer)+1;
+ encmessage = (char *) LocalAlloc(LPTR,encmessagelen);
+ MoveMemory(encmessage, buffer, encmessagelen);
+ }
+
+ return encmessage;
+}
+
+
+LPSTR __cdecl _gpg_decrypt(LPCSTR message)
+{
+ char buffer[ciphertextsize];
+ char plaintext[plaintextsize];
+ char keyuserid[keyuseridsize];
+ char *begin, *end;
+ int dlgresult;
+ BOOL useridvalid;
+ char *storedpassphrase;
+ char passphrase[passphrasesize];
+ char *decmessage = 0;
+ int decmessagelen;
+ gpgResult gpgresult;
+
+ begin=strstr(message, txtbeginpgpmessage);
+ end=strstr(message, txtendpgpmessage);
+
+ if ((begin!=NULL)&&(end!=NULL))
+ {
+ strcpy(buffer, "");
+ strncat(buffer, begin, end-begin+strlen(txtendpgpmessage));
+ replace(buffer, "\r", "");
+ replace(buffer, "\n", txtcrlf);
+
+ ZeroMemory(keyuserid, sizeof(keyuserid));
+ gpgresult=gpgDetectUserID(keyuserid, buffer);
+ storedpassphrase=NULL;
+
+ if(gpgresult!=gpgSuccess)
+ {
+// ErrorMessage(txtwarning, txtdetectuseridfailed, txtverifyoptions);
+ strcpy(keyuserid, txtunknownuserid);
+ useridvalid=FALSE;
+ }
+ else
+ {
+ storedpassphrase=getPassphrase(keyuserid);
+ useridvalid=TRUE;
+ }
+
+ if(storedpassphrase!=NULL)
+ {
+ strcpy(passphrase, storedpassphrase);
+ ZeroMemory(plaintext, sizeof(plaintext));
+ gpgresult=gpgDecrypt(plaintext, buffer, passphrase);
+ }
+ else gpgresult=gpgUnknownError;
+
+ dlgresult=IDOK;
+ while((gpgresult!=gpgSuccess)&&(dlgresult!=IDCANCEL))
+ {
+ dlgresult=DialogBoxParam(g_hInst, MAKEINTRESOURCE(IDD_PASSPHRASE), NULL, PassphraseDialogProcedure, (LPARAM)keyuserid);
+
+ if(dlgresult==IDOK)
+ {
+ strcpy(passphrase, dlgpassphrase);
+ ZeroMemory(dlgpassphrase, passphrasesize);
+ strcat(passphrase, txtcrlf);
+ ZeroMemory(plaintext, sizeof(plaintext));
+ gpgresult=gpgDecrypt(plaintext, buffer, passphrase);
+ }
+ }
+
+ if(gpgresult==gpgSuccess)
+ {
+ strcpy(buffer, plaintext);
+ }
+
+ if ( gpgresult==gpgSuccess && useridvalid==TRUE)
+ addPassphrase(keyuserid, passphrase);
+
+ ZeroMemory(passphrase, sizeof(passphrase));
+
+ decmessagelen = strlen(buffer)+1;
+ decmessage = (char *) LocalAlloc(LPTR,decmessagelen);
+ MoveMemory(decmessage, buffer, decmessagelen);
+ }
+
+ return decmessage;
+}
+
+
+int __cdecl _gpg_size_keyid()
+{
+ return keyidsize;
+}
+
+
+int __cdecl _gpg_select_keyid(HWND hdlg, LPSTR keyid)
+{
+ int dlgresult;
+
+ ZeroMemory(keyid, keyidsize);
+ dlgresult=DialogBoxParam(g_hInst, MAKEINTRESOURCE(IDD_SELECTKEY), hdlg, UserIdDialogProcedure, (LPARAM)keyid);
+
+ if(dlgresult!=IDOK)
+ ZeroMemory(keyid, keyidsize);
+
+ return (dlgresult==IDOK);
+}
+
+
+void noBackslash(LPSTR path) {
+ LPSTR ptr;
+ ptr = path + strlen(path) - 1;
+ if ( *ptr=='\\' ) *ptr = '\0';
+}
+
+
+static char buf[MAX_PATH];
+
+
+LPSTR GetRegValue(HKEY hKey , LPCSTR szPath, LPCSTR szName){
+ DWORD len=MAX_PATH,type;
+ LPSTR ret=0;
+
+ RegOpenKey(hKey,szPath,&hKey);
+ if ( RegQueryValueEx(hKey,szName,NULL,&type,(LPBYTE)&buf,&len)==ERROR_SUCCESS ) {
+ noBackslash((LPSTR)&buf);
+ ret = (LPSTR)&buf;
+ }
+ RegCloseKey(hKey);
+
+ return ret;
+}
+
+
+LPSTR GetEnvValue(LPCSTR szName){
+ LPSTR ret=0;
+
+ if ( GetEnvironmentVariable(szName, buf, MAX_PATH) > 0 ) {
+ noBackslash((LPSTR)&buf);
+ ret = (LPSTR)&buf;
+ }
+
+ return ret;
+}
+
+
+BOOL ShowSelectExecDlg(LPSTR path)
+{
+ OPENFILENAME ofn;
+ ZeroMemory(&ofn,sizeof(ofn));
+
+ ofn.lpstrFile = GetRegValue(HKEY_CURRENT_USER,"Software\\GNU\\GnuPG","gpgProgram");
+ if ( ofn.lpstrFile && existsFile(ofn.lpstrFile) ) {
+ strcpy(path, ofn.lpstrFile);
+ return TRUE;
+ }
+ ofn.lpstrFile = GetRegValue(HKEY_LOCAL_MACHINE,"Software\\GNU\\GnuPG","Install Directory");
+ if ( ofn.lpstrFile ) {
+ strcat(ofn.lpstrFile,"\\gpg.exe");
+ if ( existsFile(ofn.lpstrFile) ) {
+ strcpy(path, ofn.lpstrFile);
+ return TRUE;
+ }
+ }
+
+ ofn.lStructSize = sizeof(ofn);
+ ofn.nMaxFile = MAX_PATH;
+ ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_NONETWORKBUTTON;
+
+ ofn.lpstrFile = path;
+ ofn.lpstrFilter = "GnuPG executable (gpg.exe)\0gpg.exe\0All files (*.*)\0*.*\0";
+ ofn.lpstrTitle = "Select GnuPG executable";
+ if (!GetOpenFileName(&ofn)) return FALSE;
+
+ return TRUE;
+}
+
+
+BOOL ShowSelectHomeDlg(LPSTR path)
+{
+ int i;
+ OPENFILENAME ofn;
+
+ ofn.lpstrFile = GetEnvValue("GNUPGHOME");
+ if ( ofn.lpstrFile && existsPath(ofn.lpstrFile) ) {
+ strcpy(path, ofn.lpstrFile);
+ return TRUE;
+ }
+ ofn.lpstrFile = GetRegValue(HKEY_CURRENT_USER,"Software\\GNU\\GnuPG","HomeDir");
+ if ( ofn.lpstrFile && existsPath(ofn.lpstrFile) ) {
+ strcpy(path, ofn.lpstrFile);
+ return TRUE;
+ }
+ ofn.lpstrFile = GetEnvValue("APPDATA");
+ if ( ofn.lpstrFile ) {
+ strcat(ofn.lpstrFile,"\\gnupg");
+ if ( existsPath(ofn.lpstrFile) ) {
+ strcpy(path, ofn.lpstrFile);
+ return TRUE;
+ }
+ }
+
+ ofn.lStructSize = sizeof(ofn);
+ ofn.nMaxFile = MAX_PATH;
+ ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_NONETWORKBUTTON;
+
+ ofn.lpstrFile = path;
+ ofn.lpstrFilter = "Public key rings (pubring.gpg)\0pubring.gpg\0All files (*.*)\0*.*\0";
+ ofn.lpstrTitle = "Open Public Keyring";
+ if (!GetOpenFileName(&ofn)) return FALSE;
+
+ for(i=strlen(path);i && path[i]!='\\';i--);
+ path[i] = 0;
+
+ return TRUE;
+}
+
+
+// dllmain
+BOOL WINAPI dllmain(HINSTANCE hInst, DWORD dwReason, LPVOID lpVoid) {
+ g_hInst = hInst;
+ return TRUE;
+}
+
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