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#include "commonheaders.h"
pRSA_EXPORT mir_exp = NULL;
RSA_IMPORT imp =
{
rsa_inject,
rsa_check_pub,
rsa_notify
};
BOOL rsa_4096 = 0;
int __cdecl rsa_inject(HANDLE context, LPCSTR msg)
{
pUinKey ptr = getUinCtx(context); if (!ptr) return 0;
Sent_NetLog("rsa_inject: '%s'", msg);
int len = (int)mir_strlen(msg) + 1;
LPSTR buf = (LPSTR)mir_alloc(LEN_SECU + len);
memcpy(buf, SIG_SECU, LEN_SECU);
memcpy(buf + LEN_SECU, msg, len);
// îòïðàâëÿåì ñîîáùåíèå
splitMessageSend(ptr, buf);
mir_free(buf);
return 1;
}
#define MSGSIZE 1024
int __cdecl rsa_check_pub(HANDLE context, PBYTE pub, int pubLen, PBYTE sig, int sigLen)
{
int v = 0, k = 0;
pUinKey ptr = getUinCtx(context); if (!ptr) return 0;
LPSTR cnm = (LPSTR)mir_alloc(NAMSIZE); getContactNameA(ptr->hContact, cnm);
LPSTR uin = (LPSTR)mir_alloc(KEYSIZE); getContactUinA(ptr->hContact, uin);
LPSTR msg = (LPSTR)mir_alloc(MSGSIZE);
LPSTR sha = mir_strdup(to_hex(sig, sigLen));
LPSTR sha_old = NULL;
Sent_NetLog("rsa_check_pub: %s %s %s", cnm, uin, sha);
DBVARIANT dbv;
dbv.type = DBVT_BLOB;
if (db_get(ptr->hContact, MODULENAME, "rsa_pub", &dbv) == 0) {
k = 1;
PBYTE buf = (PBYTE)alloca(sigLen); int len;
mir_exp->rsa_get_hash((PBYTE)dbv.pbVal, dbv.cpbVal, (PBYTE)buf, &len);
sha_old = mir_strdup(to_hex(buf, len));
db_free(&dbv);
}
if (bAAK) {
if (k) mir_snprintf(msg, MSGSIZE, Translate(sim523), cnm, uin, sha, sha_old);
else mir_snprintf(msg, MSGSIZE, Translate(sim521), cnm, uin, sha);
showPopupKRmsg(ptr->hContact, msg);
HistoryLog(ptr->hContact, msg);
v = 1;
#if defined(_DEBUG) || defined(NETLIB_LOG)
Sent_NetLog("rsa_check_pub: auto accepted");
#endif
}
else {
if (k) mir_snprintf(msg, MSGSIZE, Translate(sim522), cnm, sha, sha_old);
else mir_snprintf(msg, MSGSIZE, Translate(sim520), cnm, sha);
v = (msgbox(0, msg, MODULENAME, MB_YESNO | MB_ICONQUESTION) == IDYES);
#if defined(_DEBUG) || defined(NETLIB_LOG)
Sent_NetLog("rsa_check_pub: manual accepted %d", v);
#endif
}
if (v) {
db_set_blob(ptr->hContact, MODULENAME, "rsa_pub", pub, pubLen);
ptr->keyLoaded = true;
}
mir_free(cnm);
mir_free(uin);
mir_free(msg);
mir_free(sha);
SAFE_FREE(sha_old);
return v;
}
void __cdecl rsa_notify(HANDLE context, int state)
{
pUinKey ptr = getUinCtx(context); if (!ptr) return;
LPCSTR msg = NULL;
Sent_NetLog("rsa_notify: 0x%x", state);
switch (state) {
case 1:
showPopupEC(ptr->hContact);
ShowStatusIconNotify(ptr->hContact);
waitForExchange(ptr, 2); // äîñûëàåì ñîîáùåíèÿ èç î÷åðåäè
return;
case -1: // ñåññèÿ ðàçîðâàíà ïî îøèáêå, íåâåðíûé òèï ñîîáùåíèÿ
msg = sim501; break;
case -2: // ñåññèÿ ðàçîðâàíà ïî îøèáêå äðóãîé ñòîðîíîé
msg = sim502; break;
case -5: // îøèáêà äåêîäèðîâàíèÿ AES ñîîáùåíèÿ
msg = sim505; break;
case -6: // îøèáêà äåêîäèðîâàíèÿ RSA ñîîáùåíèÿ
msg = sim506; break;
case -7: // òàéìàóò óñòàíîâêè ñîåäèíåíèÿ (10 ñåêóíä)
msg = sim507; break;
case -8: // ñåññèÿ ðàçîðâàíà ïî ïðè÷èíå "disabled"
msg = sim508; break;
case -0x10: // ñåññèÿ ðàçîðâàíà ïî îøèáêå
case -0x21:
case -0x22:
case -0x23:
case -0x24:
case -0x32:
case -0x33:
case -0x34:
case -0x40:
case -0x50:
case -0x60:
{
char buf[1024];
mir_snprintf(buf, sim510, -state);
showPopupDCmsg(ptr->hContact, buf);
ShowStatusIconNotify(ptr->hContact);
if (ptr->cntx) deleteRSAcntx(ptr);
waitForExchange(ptr, 3); // äîñûëàåì íåøèôðîâàíî
}
return;
case -3: // ñîåäèíåíèå ðàçîðâàíî âðó÷íóþ
case -4: // ñîåäèíåíèå ðàçîðâàíî âðó÷íóþ äðóãîé ñòîðîíîé
showPopupDC(ptr->hContact);
ShowStatusIconNotify(ptr->hContact);
if (ptr->cntx) deleteRSAcntx(ptr);
waitForExchange(ptr, 3); // äîñûëàåì íåøèôðîâàíî
return;
default:
return;
}
showPopupDCmsg(ptr->hContact, msg);
ShowStatusIconNotify(ptr->hContact);
if (ptr->cntx) deleteRSAcntx(ptr);
waitForExchange(ptr, 3); // äîñûëàåì íåøèôðîâàíî
}
void sttGenerateRSA(LPVOID)
{
char priv_key[4096]; int priv_len;
char pub_key[4096]; int pub_len;
mir_exp->rsa_gen_keypair(CPP_MODE_RSA_4096);
mir_exp->rsa_get_keypair(CPP_MODE_RSA_4096, (PBYTE)&priv_key, &priv_len, (PBYTE)&pub_key, &pub_len);
db_set_blob(NULL, MODULENAME, "rsa_priv", priv_key, priv_len);
db_set_blob(NULL, MODULENAME, "rsa_pub", pub_key, pub_len);
rsa_4096 = 1;
}
// çàãðóæàåò ïàáëèê-êëþ÷ â RSA êîíòåêñò
BYTE loadRSAkey(pUinKey ptr)
{
if (!ptr->keyLoaded) {
DBVARIANT dbv;
dbv.type = DBVT_BLOB;
if (db_get(ptr->hContact, MODULENAME, "rsa_pub", &dbv) == 0) {
ptr->keyLoaded = mir_exp->rsa_set_pubkey(ptr->cntx, dbv.pbVal, dbv.cpbVal);
Sent_NetLog("loadRSAkey %d", ptr->keyLoaded);
db_free(&dbv);
}
}
return ptr->keyLoaded;
}
// ñîçäàåò RSA êîíòåêñò
void createRSAcntx(pUinKey ptr)
{
if (!ptr->cntx) {
ptr->cntx = cpp_create_context(CPP_MODE_RSA);
ptr->keyLoaded = 0;
}
}
// ïåðåñîçäàåò RSA êîíòåêñò
void resetRSAcntx(pUinKey ptr)
{
if (ptr->cntx) {
cpp_delete_context(ptr->cntx);
ptr->cntx = cpp_create_context(CPP_MODE_RSA);
ptr->keyLoaded = 0;
}
}
// óäàëÿåò RSA êîíòåêñò
void deleteRSAcntx(pUinKey ptr)
{
cpp_delete_context(ptr->cntx);
ptr->cntx = 0;
ptr->keyLoaded = 0;
}
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