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|
#include "commonheaders.h"
// return SignID
int getSecureSig(LPCSTR szMsg, LPSTR *szPlainMsg = NULL)
{
if (szPlainMsg) *szPlainMsg = (LPSTR)szMsg;
for (int i = 0; signs[i].len; i++) {
if (memcmp(szMsg, signs[i].sig, signs[i].len) == 0) {
if (szPlainMsg) *szPlainMsg = (LPSTR)(szMsg + signs[i].len);
if (signs[i].key == SiG_GAME && !bDGP)
return SiG_NONE;
return signs[i].key;
}
}
return SiG_NONE;
}
/////////////////////////////////////////////////////////////////////////////////////////
static void sttFakeAck(LPVOID param)
{
TFakeAckParams *tParam = (TFakeAckParams*)param;
Sleep(100);
if (tParam->msg == NULL)
SendBroadcast(tParam->hContact, ACKTYPE_MESSAGE, ACKRESULT_SUCCESS, (HANDLE)tParam->id, 0);
else
SendBroadcast(tParam->hContact, ACKTYPE_MESSAGE, ACKRESULT_FAILED, (HANDLE)tParam->id, LPARAM(tParam->msg));
delete tParam;
}
int returnNoError(MCONTACT hContact)
{
mir_forkthread(sttFakeAck, new TFakeAckParams(hContact, 777, 0));
return 777;
}
int returnError(MCONTACT hContact, LPCSTR err)
{
mir_forkthread(sttFakeAck, new TFakeAckParams(hContact, 666, err));
return 666;
}
LPSTR szUnrtfMsg = NULL;
// RecvMsg handler
INT_PTR __cdecl onRecvMsg(WPARAM wParam, LPARAM lParam)
{
CCSDATA *ccs = (CCSDATA *)lParam;
PROTORECVEVENT *ppre = (PROTORECVEVENT *)ccs->lParam;
pUinKey ptr = getUinKey(ccs->hContact);
LPSTR szEncMsg = ppre->szMessage, szPlainMsg = NULL;
Sent_NetLog("onRecvMsg: %s", szEncMsg);
int ssig = getSecureSig(ppre->szMessage, &szEncMsg);
bool bSecured = (isContactSecured(ccs->hContact)&SECURED) != 0;
bool bPGP = isContactPGP(ccs->hContact);
bool bGPG = isContactGPG(ccs->hContact);
// pass any unchanged message
if (!ptr || ssig == SiG_GAME || !isSecureProtocol(ccs->hContact) ||
(db_mc_isMeta(ccs->hContact) && (ccs->wParam & PREF_SIMNOMETA)) || isChatRoom(ccs->hContact) ||
(ssig == SiG_NONE && !ptr->msgSplitted && !bSecured && !bPGP && !bGPG)) {
Sent_NetLog("onRecvMsg: pass unhandled");
return Proto_ChainRecv(wParam, ccs);
}
// drop message: fake, unsigned or from invisible contacts
if (isContactInvisible(ccs->hContact) || ssig == SiG_FAKE) {
Sent_NetLog("onRecvMsg: drop unhandled (contact invisible or hidden)");
return 1;
}
// receive non-secure message in secure mode
if (ssig == SiG_NONE && !ptr->msgSplitted) {
Sent_NetLog("onRecvMsg: non-secure message");
ptrA szPlainMsg(m_aastrcat(Translate(sim402), szEncMsg));
ppre->szMessage = szPlainMsg;
ccs->wParam |= PREF_SIMNOMETA;
return Proto_ChainRecv(wParam, ccs);
}
// received non-pgp secure message from disabled contact
if (ssig != SiG_PGPM && !bPGP && !bGPG && ptr->status == STATUS_DISABLED) {
Sent_NetLog("onRecvMsg: message from disabled");
if (ptr->mode == MODE_NATIVE) {
// tell to the other side that we have the plugin disabled with him
ccs->wParam |= PREF_METANODB;
ccs->lParam = (LPARAM)SIG_DISA;
ccs->szProtoService = PSS_MESSAGE;
Proto_ChainSend(wParam, ccs);
showPopup(sim003, ccs->hContact, g_hPOP[POP_PU_DIS], 0);
}
else {
createRSAcntx(ptr);
mir_exp->rsa_disabled(ptr->cntx);
deleteRSAcntx(ptr);
}
SAFE_FREE(ptr->msgSplitted);
return 1;
}
// combine message splitted by protocol (no tags)
if (ssig == SiG_NONE && ptr->msgSplitted) {
Sent_NetLog("onRecvMsg: combine untagged splitted message");
LPSTR tmp = (LPSTR)mir_alloc(mir_strlen(ptr->msgSplitted) + mir_strlen(szEncMsg) + 1);
mir_strcpy(tmp, ptr->msgSplitted);
mir_strcat(tmp, szEncMsg);
mir_free(ptr->msgSplitted);
ptr->msgSplitted = szEncMsg = ppre->szMessage = tmp;
ssig = getSecureSig(tmp, &szEncMsg);
}
else SAFE_FREE(ptr->msgSplitted);
// combine message splitted by secureim (with tags)
if (ssig == SiG_SECP || ssig == SiG_PART) {
LPSTR msg = combineMessage(ptr, szEncMsg);
if (!msg) return 1;
szEncMsg = ppre->szMessage = msg;
ssig = getSecureSig(msg, &szEncMsg);
}
// decrypt PGP/GPG message
if (ssig == SiG_PGPM && ((bPGPloaded && (bPGPkeyrings || bPGPprivkey)) || (bGPGloaded && bGPGkeyrings))) {
Sent_NetLog("onRecvMsg: PGP/GPG message");
szEncMsg = ppre->szMessage;
if (!ptr->cntx) {
ptr->cntx = cpp_create_context(((bGPGloaded && bGPGkeyrings) ? CPP_MODE_GPG : CPP_MODE_PGP) | ((db_get_b(ccs->hContact, MODULENAME, "gpgANSI", 0)) ? CPP_MODE_GPG_ANSI : 0));
ptr->keyLoaded = 0;
}
if (!strstr(szEncMsg, "-----END PGP MESSAGE-----"))
return 1; // no end tag, don't display it ...
LPSTR szNewMsg = NULL;
LPSTR szOldMsg = NULL;
if (!ptr->keyLoaded && bPGPloaded) ptr->keyLoaded = LoadKeyPGP(ptr);
if (!ptr->keyLoaded && bGPGloaded) ptr->keyLoaded = LoadKeyGPG(ptr);
if (ptr->keyLoaded == 1) szOldMsg = pgp_decode(ptr->cntx, szEncMsg);
else
if (ptr->keyLoaded == 2) szOldMsg = gpg_decode(ptr->cntx, szEncMsg);
if (!szOldMsg) { // error while decrypting message, send error
SAFE_FREE(ptr->msgSplitted);
ppre->szMessage = Translate(sim401);
return Proto_ChainRecv(wParam, ccs);
}
// receive encrypted message in non-encrypted mode
if (!isContactPGP(ccs->hContact) && !isContactGPG(ccs->hContact)) {
szNewMsg = m_ustrcat(Translate(sim403), szOldMsg);
szOldMsg = szNewMsg;
}
ptrA szMsgUtf(utf8_to_miranda(szOldMsg, ppre->flags));
ccs->wParam = ppre->flags;
ppre->szMessage = szMsgUtf;
// show decoded message
showPopupRM(ptr->hContact);
SAFE_FREE(ptr->msgSplitted);
ccs->wParam |= PREF_SIMNOMETA;
return Proto_ChainRecv(wParam, ccs);
}
Sent_NetLog("onRecvMsg: switch(ssig)=%d", ssig);
switch (ssig) {
case SiG_PGPM:
return Proto_ChainRecv(wParam, ccs);
case SiG_SECU: // new secured msg, pass to rsa_recv
Sent_NetLog("onRecvMsg: RSA/AES message");
if (ptr->mode == MODE_NATIVE) {
ptr->mode = MODE_RSAAES;
deleteRSAcntx(ptr);
db_set_b(ptr->hContact, MODULENAME, "mode", ptr->mode);
}
createRSAcntx(ptr);
loadRSAkey(ptr);
if (mir_exp->rsa_get_state(ptr->cntx) == 0)
showPopupKR(ptr->hContact);
{
LPSTR szOldMsg = mir_exp->rsa_recv(ptr->cntx, szEncMsg);
if (!szOldMsg)
return 1; // don't display it ...
ptrA szNewMsg(utf8_to_miranda(szOldMsg, ppre->flags));
ccs->wParam = ppre->flags;
ppre->szMessage = szNewMsg;
// show decoded message
showPopupRM(ptr->hContact);
SAFE_FREE(ptr->msgSplitted);
ccs->wParam |= PREF_SIMNOMETA;
return Proto_ChainRecv(wParam, ccs);
}
case SiG_ENON: // online message
Sent_NetLog("onRecvMsg: Native SiG_ENON message");
if (cpp_keyx(ptr->cntx)) {
// decrypting message
szPlainMsg = decodeMsg(ptr, lParam, szEncMsg);
if (!ptr->decoded) {
mir_free(szPlainMsg);
SAFE_FREE(ptr->msgSplitted);
ptr->msgSplitted = mir_strdup(szEncMsg);
return 1; // don't display it ...
}
}
else {
// reinit key exchange user has send an encrypted message and i have no key
cpp_reset_context(ptr->cntx);
ptrA reSend((LPSTR)mir_alloc(mir_strlen(szEncMsg) + LEN_RSND));
mir_strcpy(reSend, SIG_RSND); // copy resend sig
mir_strcat(reSend, szEncMsg); // add mess
ccs->wParam |= PREF_METANODB;
ccs->lParam = (LPARAM)reSend; // reSend Message to reemit
ccs->szProtoService = PSS_MESSAGE;
Proto_ChainSend(wParam, ccs); // send back cipher message
ptrA keyToSend(InitKeyA(ptr, 0)); // calculate public and private key
ccs->lParam = keyToSend;
Proto_ChainSend(wParam, ccs); // send new key
showPopup(sim005, NULL, g_hPOP[POP_PU_DIS], 0);
showPopupKS(ptr->hContact);
return 1;
}
break;
case SiG_ENOF: // offline message
Sent_NetLog("onRecvMsg: Native SiG_ENOF message");
// if offline key is set and we have not an offline message unset key
if (ptr->offlineKey && cpp_keyx(ptr->cntx)) {
cpp_reset_context(ptr->cntx);
ptr->offlineKey = false;
}
// decrypting message with last offline key
DBVARIANT dbv;
dbv.type = DBVT_BLOB;
if (db_get(ptr->hContact, MODULENAME, "offlineKey", &dbv))
return Proto_ChainRecv(wParam, ccs); // exit and show messsage
// if valid key is succefully retrieved
ptr->offlineKey = true;
InitKeyX(ptr, dbv.pbVal);
db_free(&dbv);
// decrypting message
szPlainMsg = decodeMsg(ptr, lParam, szEncMsg);
ShowStatusIconNotify(ptr->hContact);
break;
case SiG_RSND: // resend message
Sent_NetLog("onRecvMsg: Native SiG_RSND message");
if (cpp_keyx(ptr->cntx)) {
// decrypt sended back message and save message for future sending with a new secret key
addMsg2Queue(ptr, ccs->wParam, ptrA(decodeMsg(ptr, (LPARAM)ccs, szEncMsg)));
showPopupRM(ptr->hContact);
showPopup(sim004, NULL, g_hPOP[POP_PU_DIS], 0);
}
return 1; // don't display it ...
case SiG_DISA: // disabled message
Sent_NetLog("onRecvMsg: Native SiG_DISA message");
case SiG_DEIN: // deinit message
// other user has disabled SecureIM with you
cpp_delete_context(ptr->cntx); ptr->cntx = 0;
showPopupDC(ptr->hContact);
ShowStatusIconNotify(ptr->hContact);
waitForExchange(ptr, 3); // äîñëàòü íåøèôðîâàííî
return 1;
case SiG_KEYR: // key3 message
case SiG_KEYA: // keyA message
case SiG_KEYB: // keyB message
if (ptr->mode == MODE_RSAAES) {
ptr->mode = MODE_NATIVE;
cpp_delete_context(ptr->cntx);
ptr->cntx = 0;
ptr->keyLoaded = 0;
db_set_b(ptr->hContact, MODULENAME, "mode", ptr->mode);
}
switch (ssig) {
case SiG_KEYR: // key3 message
Sent_NetLog("onRecvMsg: SiG_KEYR received");
// receive KeyB from user;
showPopupKR(ptr->hContact);
if (ptr->cntx && cpp_keyb(ptr->cntx)) {
// reinit key exchange if an old key from user is found
cpp_reset_context(ptr->cntx);
}
if (InitKeyB(ptr, szEncMsg) != CPP_ERROR_NONE) {
Sent_NetLog("onRecvMsg: SiG_KEYR InitKeyB error");
// tell to the other side that we have the plugin disabled with him
showPopup(sim013, ptr->hContact, g_hPOP[POP_PU_DIS], 0);
ShowStatusIconNotify(ptr->hContact);
waitForExchange(ptr, 3); // äîñëàòü íåøèôðîâàííî
return 1;
}
// other side support RSA mode ?
if (ptr->features & CPP_FEATURES_RSA) {
// switch to RSAAES mode
ptr->mode = MODE_RSAAES;
db_set_b(ptr->hContact, MODULENAME, "mode", ptr->mode);
resetRSAcntx(ptr);
loadRSAkey(ptr);
mir_exp->rsa_connect(ptr->cntx);
showPopupKS(ccs->hContact);
ShowStatusIconNotify(ccs->hContact);
return 1;
}
// other side support new key format ?
if (ptr->features & CPP_FEATURES_NEWPG) {
cpp_reset_context(ptr->cntx);
ptrA keyToSend(InitKeyA(ptr, CPP_FEATURES_NEWPG | KEY_A_SIG)); // calculate NEW public and private key
Sent_NetLog("onRecvMsg: Sending KEYA %s", keyToSend);
ccs->wParam |= PREF_METANODB;
ccs->lParam = (LPARAM)keyToSend;
ccs->szProtoService = PSS_MESSAGE;
Proto_ChainSend(wParam, ccs);
showPopupKS(ptr->hContact);
waitForExchange(ptr); // çàïóñòèì îæèäàíèå
return 1;
}
// auto send my public key to keyB user if not done before
if (!cpp_keya(ptr->cntx)) {
ptrA keyToSend(InitKeyA(ptr, 0)); // calculate public and private key
Sent_NetLog("onRecvMsg: Sending KEYA %s", keyToSend);
ccs->wParam |= PREF_METANODB;
ccs->lParam = (LPARAM)keyToSend;
ccs->szProtoService = PSS_MESSAGE;
Proto_ChainSend(wParam, ccs);
showPopupKS(ptr->hContact);
}
break;
case SiG_KEYA: // keyA message
Sent_NetLog("onRecvMsg: SiG_KEYA received");
// receive KeyA from user;
showPopupKR(ptr->hContact);
cpp_reset_context(ptr->cntx);
if (InitKeyB(ptr, szEncMsg) != CPP_ERROR_NONE) {
Sent_NetLog("onRecvMsg: SiG_KEYA InitKeyB error");
// tell to the other side that we have the plugin disabled with him
showPopup(sim013, ptr->hContact, g_hPOP[POP_PU_DIS], 0);
ShowStatusIconNotify(ptr->hContact);
waitForExchange(ptr, 3); // äîñëàòü íåøèôðîâàííî
return 1;
}
else {
ptrA keyToSend(InitKeyA(ptr, CPP_FEATURES_NEWPG | KEY_B_SIG)); // calculate NEW public and private key
Sent_NetLog("onRecvMsg: Sending KEYB %s", keyToSend);
ccs->wParam |= PREF_METANODB;
ccs->lParam = keyToSend;
ccs->szProtoService = PSS_MESSAGE;
Proto_ChainSend(wParam, ccs);
}
break;
case SiG_KEYB: // keyB message
Sent_NetLog("onRecvMsg: SiG_KEYB received");
// receive KeyB from user;
showPopupKR(ptr->hContact);
// clear all and send DISA if received KeyB, and not exist KeyA or error on InitKeyB
if (!cpp_keya(ptr->cntx) || InitKeyB(ptr, szEncMsg) != CPP_ERROR_NONE) {
Sent_NetLog("onRecvMsg: SiG_KEYB InitKeyB error");
// tell to the other side that we have the plugin disabled with him
showPopup(sim013, ptr->hContact, g_hPOP[POP_PU_DIS], 0);
ShowStatusIconNotify(ptr->hContact);
cpp_reset_context(ptr->cntx);
waitForExchange(ptr, 3); // äîñëàòü íåøèôðîâàííî
return 1;
}
break;
}
/* common part (CalcKeyX & SendQueue) */
// calculate KeyX
if (cpp_keya(ptr->cntx) && cpp_keyb(ptr->cntx) && !cpp_keyx(ptr->cntx))
CalculateKeyX(ptr, ptr->hContact);
ShowStatusIconNotify(ptr->hContact);
Sent_NetLog("onRecvMsg: Session established");
waitForExchange(ptr, 2); // äîøëåì ÷åðåç øèôðîâàííîå ñîåäèíåíèå
return 1;
}
// receive message
if (cpp_keyx(ptr->cntx) && (ssig == SiG_ENON || ssig == SiG_ENOF)) {
Sent_NetLog("onRecvMsg: message received");
showPopupRM(ptr->hContact);
}
Sent_NetLog("onRecvMsg: exit");
ccs->wParam |= PREF_SIMNOMETA;
int ret = Proto_ChainRecv(wParam, ccs);
SAFE_FREE(szPlainMsg);
return ret;
}
// SendMsg handler
INT_PTR __cdecl onSendMsg(WPARAM wParam, LPARAM lParam)
{
CCSDATA *ccs = (CCSDATA*)lParam;
pUinKey ptr = getUinKey(ccs->hContact);
int ssig = getSecureSig((LPCSTR)ccs->lParam);
int stat = getContactStatus(ccs->hContact);
Sent_NetLog("onSend: %s", (LPSTR)ccs->lParam);
// pass unhandled messages
if (!ptr || ssig == SiG_GAME || ssig == SiG_PGPM || ssig == SiG_SECU || ssig == SiG_SECP ||
isChatRoom(ccs->hContact) || stat == -1 ||
(ssig == SiG_NONE && ptr->sendQueue) || (ssig == SiG_NONE && ptr->status == STATUS_DISABLED)) {
Sent_NetLog("onSendMsg: pass unhandled");
return Proto_ChainSend(wParam, ccs);
}
//
// PGP/GPG mode
//
if (ptr->mode == MODE_PGP || ptr->mode == MODE_GPG) {
Sent_NetLog("onSendMsg: PGP|GPG mode");
// åñëè ìîæíî çàøèôðîâàòü - øèôðóåì
if (isContactPGP(ptr->hContact) || isContactGPG(ptr->hContact)) {
if (!ptr->cntx) {
ptr->cntx = cpp_create_context((isContactGPG(ptr->hContact) ? CPP_MODE_GPG : CPP_MODE_PGP) | ((db_get_b(ptr->hContact, MODULENAME, "gpgANSI", 0)) ? CPP_MODE_GPG_ANSI : 0));
ptr->keyLoaded = 0;
}
if (!ptr->keyLoaded && bPGPloaded) ptr->keyLoaded = LoadKeyPGP(ptr);
if (!ptr->keyLoaded && bGPGloaded) ptr->keyLoaded = LoadKeyGPG(ptr);
if (!ptr->keyLoaded) return returnError(ccs->hContact, Translate(sim108));
LPSTR szNewMsg = NULL;
ptrA szUtfMsg(miranda_to_utf8((LPCSTR)ccs->lParam, ccs->wParam));
if (ptr->keyLoaded == 1) // PGP
szNewMsg = pgp_encode(ptr->cntx, szUtfMsg);
else if (ptr->keyLoaded == 2) // GPG
szNewMsg = gpg_encode(ptr->cntx, szUtfMsg);
if (!szNewMsg)
return returnError(ccs->hContact, Translate(sim109));
// îòïðàâëÿåì çàøèôðîâàííîå ñîîáùåíèå
splitMessageSend(ptr, szNewMsg);
showPopupSM(ptr->hContact);
return returnNoError(ccs->hContact);
}
// îòïðàâëÿåì íåçàøèôðîâàííîå
return Proto_ChainSend(wParam, ccs);
}
// get contact SecureIM status
int stid = ptr->status;
//
// RSA/AES mode
//
if (ptr->mode == MODE_RSAAES) {
Sent_NetLog("onSendMsg: RSA/AES mode");
// contact is offline
if (stat == ID_STATUS_OFFLINE) {
if (ptr->cntx) {
if (mir_exp->rsa_get_state(ptr->cntx) != 0)
resetRSAcntx(ptr);
}
else createRSAcntx(ptr);
if (!bSOM || (!isClientMiranda(ptr, 1) && !isSecureIM(ptr, 1)) || !loadRSAkey(ptr)) {
if (ssig == SiG_NONE)
// ïðîñòî øëåì íåçàøèôðîâàííîå â îôôëàéí
return Proto_ChainSend(wParam, ccs);
// íè÷åãî íå øëåì äàëüøå - ýòî ñëóæåáíîå ñîîáùåíèå
return returnNoError(ccs->hContact);
}
// øëåì øèôðîâàííîå â îôôëàéí
mir_exp->rsa_send(ptr->cntx, ptrA(miranda_to_utf8((LPCSTR)ccs->lParam, ccs->wParam)));
showPopupSM(ptr->hContact);
return returnNoError(ccs->hContact);
}
// SecureIM connection with this contact is disabled
if (stid == STATUS_DISABLED) {
if (ptr->cntx) {
mir_exp->rsa_disabled(ptr->cntx);
deleteRSAcntx(ptr);
}
if (ssig == SiG_NONE) // ïðîñòî øëåì íåçàøèôðîâàííîå
return Proto_ChainSend(wParam, ccs);
// íè÷åãî íå øëåì äàëüøå - ýòî ñëóæåáíîå ñîîáùåíèå
return returnNoError(ccs->hContact);
}
// ðàçîðâàòü ñîåäèíåíèå
if (ssig == SiG_DEIN) {
if (ptr->cntx) {
mir_exp->rsa_disconnect(ptr->cntx);
deleteRSAcntx(ptr);
}
ShowStatusIconNotify(ptr->hContact);
waitForExchange(ptr, 3); // äîøëåì íåøèôðîâàííî
return returnNoError(ccs->hContact);
}
// ñîåäèíåíèå óñòàíîâëåíî
if (ptr->cntx && mir_exp->rsa_get_state(ptr->cntx) == 7) {
mir_exp->rsa_send(ptr->cntx, ptrA(miranda_to_utf8((LPCSTR)ccs->lParam, ccs->wParam)));
ShowStatusIconNotify(ptr->hContact);
showPopupSM(ptr->hContact);
return returnNoError(ccs->hContact);
}
// ïðîñòî ñîîáùåíèå (áåç òýãîâ, íåò êîíòåêñòà è ðàáîòàþò AIP & NOL)
if (ssig == SiG_NONE && isSecureIM(ptr->hContact)) {
// äîáàâèì åãî â î÷åðåäü
addMsg2Queue(ptr, ccs->wParam, (LPSTR)ccs->lParam);
// çàïóñêàåì ïðîöåññ óñòàíîâêè ñîåäèíåíèÿ
ssig = SiG_INIT;
// çàïóñêàåì òðýä îæèäàíèÿ è äîñûëêè
waitForExchange(ptr);
}
// óñòàíîâèòü ñîåäèíåíèå
if (ssig == SiG_INIT) {
createRSAcntx(ptr);
loadRSAkey(ptr);
mir_exp->rsa_connect(ptr->cntx);
showPopupKS(ccs->hContact);
ShowStatusIconNotify(ccs->hContact);
return returnNoError(ccs->hContact);
}
// ïðîñòî øëåì íåçàøèôðîâàííîå (íå çíàþ äàæå êîãäà òàêîå ñëó÷èòñÿ)
return Proto_ChainSend(wParam, ccs);
}
//
// Native mode
//
Sent_NetLog("onSendMsg: Native mode");
// SecureIM connection with this contact is disabled
if (stid == STATUS_DISABLED) {
Sent_NetLog("onSendMsg: message for Disabled");
// if user try initialize connection
if (ssig == SiG_INIT) // secure IM is disabled ...
return returnError(ccs->hContact, Translate(sim105));
if (ptr->cntx) { // if secure context exists
cpp_delete_context(ptr->cntx); ptr->cntx = 0;
CCSDATA ccsd;
memcpy(&ccsd, (HLOCAL)lParam, sizeof(CCSDATA));
ccs->wParam |= PREF_METANODB;
ccsd.lParam = (LPARAM)SIG_DEIN;
ccsd.szProtoService = PSS_MESSAGE;
Proto_ChainSend(wParam, &ccsd);
showPopupDC(ccs->hContact);
ShowStatusIconNotify(ccs->hContact);
}
return Proto_ChainSend(wParam, ccs);
}
// contact is offline
if (stat == ID_STATUS_OFFLINE) {
Sent_NetLog("onSendMsg: message for offline");
if (ssig == SiG_INIT && cpp_keyx(ptr->cntx)) // reinit key exchange
cpp_reset_context(ptr->cntx);
if (!bSOM) {
if (ssig != SiG_NONE)
return returnNoError(ccs->hContact);
// exit and send unencrypted message
return Proto_ChainSend(wParam, ccs);
}
BOOL isMiranda = isClientMiranda(ptr->hContact);
if (stid == STATUS_ALWAYSTRY && isMiranda) { // always try && Miranda
// set key for offline user
DBVARIANT dbv; dbv.type = DBVT_BLOB;
if (db_get_dw(ptr->hContact, MODULENAME, "offlineKeyTimeout", 0) > gettime() &&
db_get(ptr->hContact, MODULENAME, "offlineKey", &dbv) == 0) {
// if valid key is succefully retrieved
ptr->offlineKey = true;
InitKeyX(ptr, dbv.pbVal);
db_free(&dbv);
}
else {
db_unset(ptr->hContact, MODULENAME, "offlineKey");
db_unset(ptr->hContact, MODULENAME, "offlineKeyTimeout");
if (msgbox1(0, sim106, MODULENAME, MB_YESNO | MB_ICONQUESTION) == IDNO)
return returnNoError(ccs->hContact);
// exit and send unencrypted message
return Proto_ChainSend(wParam, ccs);
}
}
else {
if (ssig != SiG_NONE)
return returnNoError(ccs->hContact);
// exit and send unencrypted message
return Proto_ChainSend(wParam, ccs);
}
}
else {
Sent_NetLog("onSendMsg: message for online");
// contact is online and we use an offline key -> reset offline key
if (ptr->offlineKey) {
cpp_reset_context(ptr->cntx);
ptr->offlineKey = false;
ShowStatusIconNotify(ptr->hContact);
}
}
// if init is called from contact menu list reinit secure im connection
if (ssig == SiG_INIT) {
Sent_NetLog("onSendMsg: SiG_INIT");
cpp_reset_context(ptr->cntx);
}
// if deinit is called from contact menu list deinit secure im connection
if (ssig == SiG_DEIN) {
Sent_NetLog("onSendMsg: SiG_DEIN");
// disable SecureIM only if it was enabled
if (ptr->cntx) {
cpp_delete_context(ptr->cntx); ptr->cntx = 0;
ccs->wParam |= PREF_METANODB;
Proto_ChainSend(wParam, ccs);
showPopupDC(ccs->hContact);
ShowStatusIconNotify(ccs->hContact);
}
return returnNoError(ccs->hContact);
}
if (cpp_keya(ptr->cntx) && cpp_keyb(ptr->cntx) && !cpp_keyx(ptr->cntx))
CalculateKeyX(ptr, ptr->hContact);
ShowStatusIconNotify(ccs->hContact);
// if cryptokey exist
if (cpp_keyx(ptr->cntx)) {
Sent_NetLog("onSendMsg: cryptokey exist");
ptrA szNewMsg(encodeMsg(ptr, (LPARAM)ccs));
Sent_NetLog("onSend: encrypted msg '%s'", szNewMsg);
ccs->wParam |= PREF_METANODB;
ccs->lParam = szNewMsg;
ccs->szProtoService = PSS_MESSAGE;
int ret = Proto_ChainSend(wParam, ccs);
showPopupSM(ptr->hContact);
return ret;
}
Sent_NetLog("onSendMsg: cryptokey not exist, try establishe connection");
// send KeyA if init || always_try || waitkey || always_if_possible
if (ssig == SiG_INIT || (stid == STATUS_ALWAYSTRY && isClientMiranda(ptr->hContact)) || isSecureIM(ptr->hContact) || ptr->waitForExchange) {
if (ssig == SiG_NONE)
addMsg2Queue(ptr, ccs->wParam, (LPSTR)ccs->lParam);
if (!ptr->waitForExchange) {
// init || always_try || always_if_possible
ptrA keyToSend(InitKeyA(ptr, 0)); // calculate public and private key & fill KeyA
Sent_NetLog("Sending KEY3: %s", keyToSend);
ccs->wParam |= PREF_METANODB;
ccs->lParam = (LPARAM)keyToSend;
ccs->szProtoService = PSS_MESSAGE;
Proto_ChainSend(wParam, ccs);
showPopupKS(ccs->hContact);
ShowStatusIconNotify(ccs->hContact);
waitForExchange(ptr); // çàïóñêàåì îæèäàíèå
}
return returnNoError(ccs->hContact);
}
Sent_NetLog("onSendMsg: pass unchanged to chain");
return Proto_ChainSend(wParam, ccs);
}
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