diff options
Diffstat (limited to 'protocols/MSN/msn_auth.cpp')
| -rw-r--r-- | protocols/MSN/msn_auth.cpp | 557 |
1 files changed, 557 insertions, 0 deletions
diff --git a/protocols/MSN/msn_auth.cpp b/protocols/MSN/msn_auth.cpp new file mode 100644 index 0000000000..065f4c0247 --- /dev/null +++ b/protocols/MSN/msn_auth.cpp @@ -0,0 +1,557 @@ +/*
+Plugin of Miranda IM for communicating with users of the MSN Messenger protocol.
+Copyright (c) 2007-2012 Boris Krasnovskiy.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "msn_global.h"
+#include "msn_proto.h"
+#include "des.h"
+
+static const char defaultPassportUrl[] = "https://login.live.com/RST2.srf";
+
+static const char authPacket[] =
+"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+"<s:Envelope"
+ " xmlns:s=\"http://www.w3.org/2003/05/soap-envelope\""
+ " xmlns:wsse=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd\""
+ " xmlns:saml=\"urn:oasis:names:tc:SAML:1.0:assertion\""
+ " xmlns:wsp=\"http://schemas.xmlsoap.org/ws/2004/09/policy\""
+ " xmlns:wsu=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd\""
+ " xmlns:wsa=\"http://www.w3.org/2005/08/addressing\""
+ " xmlns:wssc=\"http://schemas.xmlsoap.org/ws/2005/02/sc\""
+ " xmlns:wst=\"http://schemas.xmlsoap.org/ws/2005/02/trust\">"
+ "<s:Header>"
+ "<wsa:Action s:mustUnderstand=\"1\">http://schemas.xmlsoap.org/ws/2005/02/trust/RST/Issue</wsa:Action>"
+ "<wsa:To s:mustUnderstand=\"1\">HTTPS://login.live.com:443//RST2.srf</wsa:To>"
+ "<wsa:MessageID>%u</wsa:MessageID>"
+ "<ps:AuthInfo xmlns:ps=\"http://schemas.microsoft.com/Passport/SoapServices/PPCRL\" Id=\"PPAuthInfo\">"
+ "<ps:HostingApp>{7108E71A-9926-4FCB-BCC9-9A9D3F32E423}</ps:HostingApp>"
+ "<ps:BinaryVersion>5</ps:BinaryVersion>"
+ "<ps:UIVersion>1</ps:UIVersion>"
+ "<ps:Cookies />"
+ "<ps:RequestParams>AQAAAAIAAABsYwQAAAAxMDMz</ps:RequestParams>"
+ "</ps:AuthInfo>"
+ "<wsse:Security>"
+ "<wsse:UsernameToken wsu:Id=\"user\">"
+ "<wsse:Username>%s</wsse:Username>"
+ "<wsse:Password>%s</wsse:Password>"
+ "</wsse:UsernameToken>"
+ "<wsu:Timestamp Id=\"Timestamp\">"
+ "<wsu:Created>%s</wsu:Created>"
+ "<wsu:Expires>%s</wsu:Expires>"
+ "</wsu:Timestamp>"
+ "</wsse:Security>"
+ "</s:Header>"
+ "<s:Body>"
+ "<ps:RequestMultipleSecurityTokens xmlns:ps=\"http://schemas.microsoft.com/Passport/SoapServices/PPCRL\" Id=\"RSTS\">"
+ "<wst:RequestSecurityToken Id=\"RST0\">"
+ "<wst:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</wst:RequestType>"
+ "<wsp:AppliesTo>"
+ "<wsa:EndpointReference>"
+ "<wsa:Address>http://Passport.NET/tb</wsa:Address>"
+ "</wsa:EndpointReference>"
+ "</wsp:AppliesTo>"
+ "</wst:RequestSecurityToken>"
+ "<wst:RequestSecurityToken Id=\"RST1\">"
+ "<wst:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</wst:RequestType>"
+ "<wsp:AppliesTo>"
+ "<wsa:EndpointReference>"
+ "<wsa:Address>messengerclear.live.com</wsa:Address>"
+ "</wsa:EndpointReference>"
+ "</wsp:AppliesTo>"
+ "<wsp:PolicyReference URI=\"MBI_KEY_OLD\" />"
+ "</wst:RequestSecurityToken>"
+ "<wst:RequestSecurityToken Id=\"RST2\">"
+ "<wst:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</wst:RequestType>"
+ "<wsp:AppliesTo>"
+ "<wsa:EndpointReference>"
+ "<wsa:Address>messenger.msn.com</wsa:Address>"
+ "</wsa:EndpointReference>"
+ "</wsp:AppliesTo>"
+ "<wsp:PolicyReference URI=\"?id=507\" />"
+ "</wst:RequestSecurityToken>"
+ "<wst:RequestSecurityToken Id=\"RST3\">"
+ "<wst:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</wst:RequestType>"
+ "<wsp:AppliesTo>"
+ "<wsa:EndpointReference>"
+ "<wsa:Address>messengersecure.live.com</wsa:Address>"
+ "</wsa:EndpointReference>"
+ "</wsp:AppliesTo>"
+ "<wsp:PolicyReference URI=\"MBI_SSL\" />"
+ "</wst:RequestSecurityToken>"
+ "<wst:RequestSecurityToken Id=\"RST4\">"
+ "<wst:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</wst:RequestType>"
+ "<wsp:AppliesTo>"
+ "<wsa:EndpointReference>"
+ "<wsa:Address>contacts.msn.com</wsa:Address>"
+ "</wsa:EndpointReference>"
+ "</wsp:AppliesTo>"
+ "<wsp:PolicyReference URI=\"MBI\" />"
+ "</wst:RequestSecurityToken>"
+ "<wst:RequestSecurityToken Id=\"RST5\">"
+ "<wst:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</wst:RequestType>"
+ "<wsp:AppliesTo>"
+ "<wsa:EndpointReference>"
+ "<wsa:Address>storage.msn.com</wsa:Address>"
+ "</wsa:EndpointReference>"
+ "</wsp:AppliesTo>"
+ "<wsp:PolicyReference URI=\"MBI\" />"
+ "</wst:RequestSecurityToken>"
+ "<wst:RequestSecurityToken Id=\"RST6\">"
+ "<wst:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</wst:RequestType>"
+ "<wsp:AppliesTo>"
+ "<wsa:EndpointReference>"
+ "<wsa:Address>sup.live.com</wsa:Address>"
+ "</wsa:EndpointReference>"
+ "</wsp:AppliesTo>"
+ "<wsp:PolicyReference URI=\"MBI\" />"
+ "</wst:RequestSecurityToken>"
+ "</ps:RequestMultipleSecurityTokens>"
+ "</s:Body>"
+"</s:Envelope>";
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// Performs the MSN Passport login via TLS
+
+int CMsnProto::MSN_GetPassportAuth(void)
+{
+ int retVal = -1;
+
+ char szPassword[100];
+ getStaticString(NULL, "Password", szPassword, sizeof(szPassword));
+ MSN_CallService(MS_DB_CRYPT_DECODESTRING, strlen(szPassword)+1, (LPARAM)szPassword);
+ szPassword[16] = 0;
+ char* szEncPassword = HtmlEncode(szPassword);
+
+ time_t ts = time(NULL);
+
+ TCHAR szTs1[64], szTs2[64];
+
+ tmi.printTimeStamp(UTC_TIME_HANDLE, ts, _T("I"), szTs1, SIZEOF(szTs1), 0);
+ tmi.printTimeStamp(UTC_TIME_HANDLE, ts + 20 * 60, _T("I"), szTs2, SIZEOF(szTs2), 0);
+
+ char *szTs1A = mir_t2a(szTs1), *szTs2A = mir_t2a(szTs2);
+
+ const size_t len = sizeof(authPacket) + 2048;
+ char* szAuthInfo = (char*)alloca(len);
+ mir_snprintf(szAuthInfo, len, authPacket, time(NULL), MyOptions.szEmail, szEncPassword, szTs1A, szTs2A);
+
+ mir_free(szTs2A);
+ mir_free(szTs1A);
+ mir_free(szEncPassword);
+
+ char* szPassportHost = (char*)mir_alloc(256);
+ if (getStaticString(NULL, "MsnPassportHost", szPassportHost, 256))
+ strcpy(szPassportHost, defaultPassportUrl);
+
+ bool defaultUrlAllow = strcmp(szPassportHost, defaultPassportUrl) != 0;
+ char *tResult = NULL;
+
+ while (retVal == -1)
+ {
+ unsigned status;
+
+ tResult = getSslResult(&szPassportHost, szAuthInfo, NULL, status);
+ if (tResult == NULL)
+ {
+ if (defaultUrlAllow)
+ {
+ strcpy(szPassportHost, defaultPassportUrl);
+ defaultUrlAllow = false;
+ continue;
+ }
+ else
+ {
+ retVal = 4;
+ break;
+ }
+ }
+
+ switch (status)
+ {
+ case 200:
+ {
+ const char *errurl = NULL;
+ ezxml_t xml = ezxml_parse_str(tResult, strlen(tResult));
+
+ ezxml_t tokr = ezxml_get(xml, "S:Body", 0,
+ "wst:RequestSecurityTokenResponseCollection", 0,
+ "wst:RequestSecurityTokenResponse", -1);
+
+ while (tokr != NULL)
+ {
+ ezxml_t toks = ezxml_get(tokr, "wst:RequestedSecurityToken", 0,
+ "wsse:BinarySecurityToken", -1);
+
+ const char* addr = ezxml_txt(ezxml_get(tokr, "wsp:AppliesTo", 0,
+ "wsa:EndpointReference", 0, "wsa:Address", -1));
+
+ if (strcmp(addr, "http://Passport.NET/tb") == 0)
+ {
+ ezxml_t node = ezxml_get(tokr, "wst:RequestedSecurityToken", 0, "EncryptedData", -1);
+ free(hotAuthToken);
+ hotAuthToken = ezxml_toxml(node, 0);
+
+ node = ezxml_get(tokr, "wst:RequestedProofToken", 0, "wst:BinarySecret", -1);
+ replaceStr(hotSecretToken, ezxml_txt(node));
+ }
+ else if (strcmp(addr, "messengerclear.live.com") == 0)
+ {
+ ezxml_t node = ezxml_get(tokr, "wst:RequestedProofToken", 0,
+ "wst:BinarySecret", -1);
+ if (toks)
+ {
+ replaceStr(authStrToken, ezxml_txt(toks));
+ replaceStr(authSecretToken, ezxml_txt(node));
+ retVal = 0;
+ }
+ else
+ {
+ errurl = ezxml_txt(ezxml_get(tokr, "S:Fault", 0, "psf:pp", 0, "psf:flowurl", -1));
+ }
+ }
+ else if (strcmp(addr, "messenger.msn.com") == 0 && toks)
+ {
+ const char* tok = ezxml_txt(toks);
+ char* ch = (char*)strchr(tok, '&');
+ *ch = 0;
+ replaceStr(tAuthToken, tok+2);
+ replaceStr(pAuthToken, ch+3);
+ *ch = '&';
+ }
+ else if (strcmp(addr, "contacts.msn.com") == 0 && toks)
+ {
+ replaceStr(authContactToken, ezxml_txt(toks));
+ }
+ else if (strcmp(addr, "messengersecure.live.com") == 0 && toks)
+ {
+ replaceStr(oimSendToken, ezxml_txt(toks));
+ }
+ else if (strcmp(addr, "storage.msn.com") == 0 && toks)
+ {
+ replaceStr(authStorageToken, ezxml_txt(toks));
+ }
+
+ tokr = ezxml_next(tokr);
+ }
+
+ if (retVal != 0)
+ {
+ if (errurl)
+ {
+ MSN_DebugLog("Starting URL: '%s'", errurl);
+ MSN_CallService(MS_UTILS_OPENURL, 1, (LPARAM)errurl);
+ }
+
+ ezxml_t tokf = ezxml_get(xml, "S:Body", 0, "S:Fault", 0, "S:Detail", -1);
+ ezxml_t tokrdr = ezxml_child(tokf, "psf:redirectUrl");
+ if (tokrdr != NULL)
+ {
+ strcpy(szPassportHost, ezxml_txt(tokrdr));
+ MSN_DebugLog("Redirected to '%s'", szPassportHost);
+ }
+ else
+ {
+ const char* szFault = ezxml_txt(ezxml_get(tokf, "psf:error", 0, "psf:value", -1));
+ retVal = strcmp(szFault, "0x80048821") == 0 ? 3 : (tokf ? 5 : 7);
+ if (retVal != 3 && defaultUrlAllow)
+ {
+ strcpy(szPassportHost, defaultPassportUrl);
+ defaultUrlAllow = false;
+ retVal = -1;
+ }
+ else if (retVal != 3 && retVal != 7)
+ {
+ char err[512];
+ mir_snprintf(err, sizeof(err), "Unknown Authentication error: %s", szFault);
+ MSN_ShowError(err);
+ }
+ }
+ }
+
+ ezxml_free(xml);
+ break;
+ }
+ default:
+ if (defaultUrlAllow)
+ {
+ strcpy(szPassportHost, defaultPassportUrl);
+ defaultUrlAllow = false;
+ }
+ else
+ retVal = 6;
+ }
+ mir_free(tResult);
+ }
+
+ if (retVal != 0)
+ {
+ if (!Miranda_Terminated())
+ {
+ switch (retVal)
+ {
+ case 3:
+ MSN_ShowError("Your username or password is incorrect");
+ SendBroadcast(NULL, ACKTYPE_LOGIN, ACKRESULT_FAILED, NULL, LOGINERR_WRONGPASSWORD);
+ break;
+
+ case 5:
+ break;
+
+ default:
+ MSN_ShowError("Unable to contact MS Passport servers check proxy/firewall settings");
+ SendBroadcast(NULL, ACKTYPE_LOGIN, ACKRESULT_FAILED, NULL, LOGINERR_NOSERVER);
+ break;
+ }
+ }
+ }
+ else
+ setString(NULL, "MsnPassportHost", szPassportHost);
+
+ mir_free(szPassportHost);
+ MSN_DebugLog("MSN_CheckRedirector exited with errorCode = %d", retVal);
+ return retVal;
+}
+
+void hmac_sha1 (mir_sha1_byte_t *md, mir_sha1_byte_t *key, size_t keylen, mir_sha1_byte_t *text, size_t textlen)
+{
+ const unsigned SHA_BLOCKSIZE = 64;
+
+ unsigned char mdkey[MIR_SHA1_HASH_SIZE];
+ unsigned char k_ipad[SHA_BLOCKSIZE], k_opad[SHA_BLOCKSIZE];
+ mir_sha1_ctx ctx;
+
+ if (keylen > SHA_BLOCKSIZE)
+ {
+ mir_sha1_init(&ctx);
+ mir_sha1_append(&ctx, key, (int)keylen);
+ mir_sha1_finish(&ctx, mdkey);
+ keylen = 20;
+ key = mdkey;
+ }
+
+ memcpy(k_ipad, key, keylen);
+ memcpy(k_opad, key, keylen);
+ memset(k_ipad+keylen, 0x36, SHA_BLOCKSIZE - keylen);
+ memset(k_opad+keylen, 0x5c, SHA_BLOCKSIZE - keylen);
+
+ for (unsigned i = 0; i < keylen; i++)
+ {
+ k_ipad[i] ^= 0x36;
+ k_opad[i] ^= 0x5c;
+ }
+
+ mir_sha1_init(&ctx);
+ mir_sha1_append(&ctx, k_ipad, SHA_BLOCKSIZE);
+ mir_sha1_append(&ctx, text, (int)textlen);
+ mir_sha1_finish(&ctx, md);
+
+ mir_sha1_init(&ctx);
+ mir_sha1_append(&ctx, k_opad, SHA_BLOCKSIZE);
+ mir_sha1_append(&ctx, md, MIR_SHA1_HASH_SIZE);
+ mir_sha1_finish(&ctx, md);
+}
+
+
+static void derive_key(mir_sha1_byte_t* der, unsigned char* key, size_t keylen, unsigned char* data, size_t datalen)
+{
+ mir_sha1_byte_t hash1[MIR_SHA1_HASH_SIZE];
+ mir_sha1_byte_t hash2[MIR_SHA1_HASH_SIZE];
+ mir_sha1_byte_t hash3[MIR_SHA1_HASH_SIZE];
+ mir_sha1_byte_t hash4[MIR_SHA1_HASH_SIZE];
+
+ const size_t buflen = MIR_SHA1_HASH_SIZE + datalen;
+ mir_sha1_byte_t* buf = (mir_sha1_byte_t*)alloca(buflen);
+
+ hmac_sha1(hash1, key, keylen, data, datalen);
+ hmac_sha1(hash3, key, keylen, hash1, MIR_SHA1_HASH_SIZE);
+
+ memcpy(buf, hash1, MIR_SHA1_HASH_SIZE);
+ memcpy(buf + MIR_SHA1_HASH_SIZE, data, datalen);
+ hmac_sha1(hash2, key, keylen, buf, buflen);
+
+ memcpy(buf, hash3, MIR_SHA1_HASH_SIZE);
+ memcpy(buf + MIR_SHA1_HASH_SIZE, data, datalen);
+ hmac_sha1(hash4, key, keylen, buf, buflen);
+
+ memcpy(der, hash2, MIR_SHA1_HASH_SIZE);
+ memcpy(der + MIR_SHA1_HASH_SIZE, hash4, 4);
+}
+
+typedef struct tag_MsgrUsrKeyHdr
+{
+ unsigned size;
+ unsigned cryptMode;
+ unsigned cipherType;
+ unsigned hashType;
+ unsigned ivLen;
+ unsigned hashLen;
+ unsigned long cipherLen;
+} MsgrUsrKeyHdr;
+
+static const MsgrUsrKeyHdr userKeyHdr =
+{
+ sizeof(MsgrUsrKeyHdr),
+ 1, // CRYPT_MODE_CBC
+ 0x6603, // CALG_3DES
+ 0x8004, // CALG_SHA1
+ 8, // sizeof(ivBytes)
+ MIR_SHA1_HASH_SIZE,
+ 72 // sizeof(cipherBytes);
+};
+
+
+static unsigned char* PKCS5_Padding(char* in, size_t &len)
+{
+ const size_t nlen = ((len >> 3) + 1) << 3;
+ unsigned char* res = (unsigned char*)mir_alloc(nlen);
+ memcpy(res, in, len);
+
+ const unsigned char pad = 8 - (len & 7);
+ memset(res + len, pad, pad);
+
+ len = nlen;
+ return res;
+}
+
+
+char* CMsnProto::GenerateLoginBlob(char* challenge)
+{
+ const size_t keylen = strlen(authSecretToken);
+ size_t key1len = Netlib_GetBase64DecodedBufferSize(keylen);
+ unsigned char* key1 = (unsigned char*)alloca(key1len);
+
+ NETLIBBASE64 nlb = { authSecretToken, (int)keylen, key1, (int)key1len };
+ MSN_CallService(MS_NETLIB_BASE64DECODE, 0, LPARAM(&nlb));
+ key1len = nlb.cbDecoded;
+
+ mir_sha1_byte_t key2[MIR_SHA1_HASH_SIZE+4];
+ mir_sha1_byte_t key3[MIR_SHA1_HASH_SIZE+4];
+
+ static const unsigned char encdata1[] = "WS-SecureConversationSESSION KEY HASH";
+ static const unsigned char encdata2[] = "WS-SecureConversationSESSION KEY ENCRYPTION";
+
+ derive_key(key2, key1, key1len, (unsigned char*)encdata1, sizeof(encdata1) - 1);
+ derive_key(key3, key1, key1len, (unsigned char*)encdata2, sizeof(encdata2) - 1);
+
+ size_t chllen = strlen(challenge);
+
+ mir_sha1_byte_t hash[MIR_SHA1_HASH_SIZE];
+ hmac_sha1(hash, key2, MIR_SHA1_HASH_SIZE+4, (mir_sha1_byte_t*)challenge, chllen);
+
+ unsigned char* newchl = PKCS5_Padding(challenge, chllen);
+
+ const size_t pktsz = sizeof(MsgrUsrKeyHdr) + MIR_SHA1_HASH_SIZE + 8 + chllen;
+ unsigned char* userKey = (unsigned char*)alloca(pktsz);
+
+ unsigned char* p = userKey;
+ memcpy(p, &userKeyHdr, sizeof(MsgrUsrKeyHdr));
+ ((MsgrUsrKeyHdr*)p)->cipherLen = (int)chllen;
+ p += sizeof(MsgrUsrKeyHdr);
+
+ unsigned char iv[8];
+ MSN_CallService(MS_UTILS_GETRANDOM, sizeof(iv), (LPARAM)iv);
+
+ memcpy(p, iv, sizeof(iv));
+ p += sizeof(iv);
+
+ memcpy(p, hash, sizeof(hash));
+ p += MIR_SHA1_HASH_SIZE;
+
+ des3_context ctxd;
+ memset(&ctxd, 0, sizeof(ctxd));
+ des3_set_3keys(&ctxd, key3);
+ des3_cbc_encrypt(&ctxd, iv, newchl, p, (int)chllen);
+
+ mir_free(newchl);
+
+ const size_t rlen = Netlib_GetBase64EncodedBufferSize(pktsz);
+ char* buf = (char*)mir_alloc(rlen);
+
+ NETLIBBASE64 nlb1 = { buf, (int)rlen, userKey, (int)pktsz };
+ MSN_CallService(MS_NETLIB_BASE64ENCODE, 0, LPARAM(&nlb1));
+
+ return buf;
+}
+
+
+char* CMsnProto::HotmailLogin(const char* url)
+{
+ unsigned char nonce[24];
+ MSN_CallService(MS_UTILS_GETRANDOM, sizeof(nonce), (LPARAM)nonce);
+
+ const size_t hotSecretlen = strlen(hotSecretToken);
+ size_t key1len = Netlib_GetBase64DecodedBufferSize(hotSecretlen);
+ unsigned char* key1 = (unsigned char*)alloca(key1len);
+
+ NETLIBBASE64 nlb = { hotSecretToken, (int)hotSecretlen, key1, (int)key1len };
+ MSN_CallService(MS_NETLIB_BASE64DECODE, 0, LPARAM(&nlb));
+ key1len = nlb.cbDecoded;
+
+ static const unsigned char encdata[] = "WS-SecureConversation";
+ const size_t data1len = sizeof(nonce) + sizeof(encdata) - 1;
+
+ unsigned char* data1 = (unsigned char*)alloca(data1len);
+ memcpy(data1, encdata, sizeof(encdata) - 1);
+ memcpy(data1 + sizeof(encdata) - 1, nonce, sizeof(nonce));
+
+ unsigned char key2[MIR_SHA1_HASH_SIZE+4];
+ derive_key(key2, key1, key1len, data1, data1len);
+
+ const size_t xmlenclen = 3 * strlen(hotAuthToken) + 1;
+ char* xmlenc = (char*)alloca(xmlenclen);
+ UrlEncode(hotAuthToken, xmlenc, xmlenclen);
+
+ size_t noncenclen = Netlib_GetBase64EncodedBufferSize(sizeof(nonce));
+ char* noncenc = (char*)alloca(noncenclen);
+ NETLIBBASE64 nlb1 = { noncenc, (int)noncenclen, nonce, sizeof(nonce) };
+ MSN_CallService(MS_NETLIB_BASE64ENCODE, 0, LPARAM(&nlb1));
+ noncenclen = nlb1.cchEncoded - 1;
+
+ const size_t fnpstlen = strlen(xmlenc) + strlen(url) + 3*noncenclen + 100;
+ char* fnpst = (char*)mir_alloc(fnpstlen);
+
+ size_t sz = mir_snprintf(fnpst, fnpstlen, "%s&da=%s&nonce=", url, xmlenc);
+
+ UrlEncode(noncenc, fnpst + sz, fnpstlen - sz);
+ sz = strlen(fnpst);
+
+ mir_sha1_byte_t hash[MIR_SHA1_HASH_SIZE];
+ hmac_sha1(hash, key2, sizeof(key2), (mir_sha1_byte_t*)fnpst, sz);
+
+ NETLIBBASE64 nlb2 = { noncenc, (int)noncenclen, hash, sizeof(hash) };
+ MSN_CallService(MS_NETLIB_BASE64ENCODE, 0, LPARAM(&nlb2));
+
+ sz += mir_snprintf(fnpst + sz, fnpstlen - sz, "&hash=");
+
+ UrlEncode(noncenc, fnpst + sz, fnpstlen - sz);
+
+ return fnpst;
+}
+
+void CMsnProto::FreeAuthTokens(void)
+{
+ mir_free(pAuthToken);
+ mir_free(tAuthToken);
+ mir_free(oimSendToken);
+ mir_free(authStrToken);
+ mir_free(authSecretToken);
+ mir_free(authContactToken);
+ mir_free(authStorageToken);
+ mir_free(hotSecretToken);
+ free(hotAuthToken);
+}
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