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-rw-r--r--src/bitcoinrpc.cpp19
-rw-r--r--src/util.cpp149
-rw-r--r--src/util.h5
3 files changed, 118 insertions, 55 deletions
diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index db2e610fad..23d97db89b 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -1811,25 +1811,6 @@ int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRe
return nStatus;
}
-string EncodeBase64(string s)
-{
- BIO *b64, *bmem;
- BUF_MEM *bptr;
-
- b64 = BIO_new(BIO_f_base64());
- BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
- bmem = BIO_new(BIO_s_mem());
- b64 = BIO_push(b64, bmem);
- BIO_write(b64, s.c_str(), s.size());
- BIO_flush(b64);
- BIO_get_mem_ptr(b64, &bptr);
-
- string result(bptr->data, bptr->length);
- BIO_free_all(b64);
-
- return result;
-}
-
bool HTTPAuthorized(map<string, string>& mapHeaders)
{
string strAuth = mapHeaders["authorization"];
diff --git a/src/util.cpp b/src/util.cpp
index 5b6d26bb89..fb648a9721 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -443,7 +443,6 @@ vector<unsigned char> ParseHex(const string& str)
return ParseHex(str.c_str());
}
-
void ParseParameters(int argc, char* argv[])
{
mapArgs.clear();
@@ -470,36 +469,91 @@ void ParseParameters(int argc, char* argv[])
}
}
-static const int decode64_table[256]=
+string EncodeBase64(const unsigned char* pch, size_t len)
{
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
- -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
- 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
- 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
- 49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
-};
+ static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+ string strRet="";
+ strRet.reserve((len+2)/3*4);
+
+ int mode=0, left=0;
+ const unsigned char *pchEnd = pch+len;
+
+ while (pch<pchEnd)
+ {
+ int enc = *(pch++);
+ switch (mode)
+ {
+ case 0: // we have no bits
+ strRet += pbase64[enc >> 2];
+ left = (enc & 3) << 4;
+ mode = 1;
+ break;
+
+ case 1: // we have two bits
+ strRet += pbase64[left | (enc >> 4)];
+ left = (enc & 15) << 2;
+ mode = 2;
+ break;
+
+ case 2: // we have four bits
+ strRet += pbase64[left | (enc >> 6)];
+ strRet += pbase64[enc & 63];
+ mode = 0;
+ break;
+ }
+ }
+
+ if (mode)
+ {
+ strRet += pbase64[left];
+ strRet += '=';
+ if (mode == 1)
+ strRet += '=';
+ }
-std::string DecodeBase64(const std::string &s)
+ return strRet;
+}
+
+string EncodeBase64(const string& str)
{
- char buf[1024];
- if(s.length()>512) return "";
- char *optr=buf;
+ return EncodeBase64((const unsigned char*)str.c_str(), str.size());
+}
- int dec, mode=0, left=0;
- size_t index=0;
- for (int i=0; i<s.length(); i++)
+vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
+{
+ static const int decode64_table[256] =
+ {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
+ -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
+ 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
+ 49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+ };
+
+ if (pfInvalid)
+ *pfInvalid = false;
+
+ vector<unsigned char> vchRet;
+ vchRet.reserve(strlen(p)*3/4);
+
+ int mode = 0;
+ int left = 0;
+
+ while (1)
{
- dec=decode64_table[s[i]];
- if(dec==-1) break;
- switch(mode)
+ int dec = decode64_table[*p];
+ if (dec == -1) break;
+ p++;
+ switch (mode)
{
case 0: // we have no bits and get 6
left = dec;
@@ -507,28 +561,53 @@ std::string DecodeBase64(const std::string &s)
break;
case 1: // we have 6 bits and keep 4
- *optr++ = (left<<2) | (dec>>4);
+ vchRet.push_back((left<<2) | (dec>>4));
left = dec & 15;
mode = 2;
break;
-
- case 2: // we have 4 bits and get 6, we keep 2
- *optr++ = (left<<4) | (dec>>2);
+
+ case 2: // we have 4 bits and get 6, we keep 2
+ vchRet.push_back((left<<4) | (dec>>2));
left = dec & 3;
mode = 3;
break;
-
+
case 3: // we have 2 bits and get 6
- *optr++ = (left<<6) | dec;
- mode=0;
+ vchRet.push_back((left<<6) | dec);
+ mode = 0;
break;
}
}
- *optr=0;
- return buf;
+ if (pfInvalid)
+ switch (mode)
+ {
+ case 0: // 4n base64 characters processed: ok
+ break;
+
+ case 1: // 4n+1 base64 character processed: impossible
+ *pfInvalid = true;
+ break;
+
+ case 2: // 4n+2 base64 characters processed: require '=='
+ if (left || p[0] != '=' || p[1] != '=' || decode64_table[p[2]] != -1)
+ *pfInvalid = true;
+ break;
+
+ case 3: // 4n+3 base64 characters processed: require '='
+ if (left || p[0] != '=' || decode64_table[p[1]] != -1)
+ *pfInvalid = true;
+ break;
+ }
+
+ return vchRet;
}
+string DecodeBase64(const string& str)
+{
+ vector<unsigned char> vchRet = DecodeBase64(str.c_str());
+ return string((const char*)&vchRet[0], vchRet.size());
+}
bool WildcardMatch(const char* psz, const char* mask)
diff --git a/src/util.h b/src/util.h
index 92a2b839ca..1fdfdf1197 100644
--- a/src/util.h
+++ b/src/util.h
@@ -178,6 +178,10 @@ bool ParseMoney(const std::string& str, int64& nRet);
bool ParseMoney(const char* pszIn, int64& nRet);
std::vector<unsigned char> ParseHex(const char* psz);
std::vector<unsigned char> ParseHex(const std::string& str);
+std::vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid = NULL);
+std::string DecodeBase64(const std::string& str);
+std::string EncodeBase64(const unsigned char* pch, size_t len);
+std::string EncodeBase64(const std::string& str);
void ParseParameters(int argc, char* argv[]);
const char* wxGetTranslation(const char* psz);
bool WildcardMatch(const char* psz, const char* mask);
@@ -201,7 +205,6 @@ void SetMockTime(int64 nMockTimeIn);
int64 GetAdjustedTime();
void AddTimeData(unsigned int ip, int64 nTime);
std::string FormatFullVersion();
-std::string DecodeBase64(const std::string &s);
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-02 16:01:57 +0000