1 files changed, 186 insertions, 0 deletions
diff --git a/src/libjin/3rdparty/base64/base64.h b/src/libjin/3rdparty/base64/base64.h
new file mode 100644
index 0000000..2519797
--- /dev/null
+++ b/src/libjin/3rdparty/base64/base64.h
@@ -0,0 +1,186 @@
+#ifndef BASE64_H
+#define BASE64_H
+
+#define BASE64_ENCODE_OUT_SIZE(s) ((unsigned int)((((s) + 2) / 3) * 4 + 1))
+#define BASE64_DECODE_OUT_SIZE(s) ((unsigned int)(((s) / 4) * 3))
+
+/*
+* out is null-terminated encode string.
+* return values is out length, exclusive terminating `\0'
+*/
+unsigned int
+base64_encode(const unsigned char *in, unsigned int inlen, char *out);
+
+/*
+* return values is out length
+*/
+unsigned int
+base64_decode(const char *in, unsigned int inlen, unsigned char *out);
+
+#endif /* BASE64_H */
+
+#ifdef BASE64_IMPLEMENT
+
+/* This is a public domain base64 implementation written by WEI Zhicheng. */
+
+#define BASE64_PAD '='
+
+/* BASE 64 encode table */
+static const char base64en[] = {
+    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
+    'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
+    'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
+    'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
+    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
+    'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
+    'w', 'x', 'y', 'z', '0', '1', '2', '3',
+    '4', '5', '6', '7', '8', '9', '+', '/',
+};
+
+/* ASCII order for BASE 64 decode, 255 in unused character */
+static const unsigned char base64de[] = {
+    /* nul, soh, stx, etx, eot, enq, ack, bel, */
+    255, 255, 255, 255, 255, 255, 255, 255,
+
+    /*  bs,  ht,  nl,  vt,  np,  cr,  so,  si, */
+    255, 255, 255, 255, 255, 255, 255, 255,
+
+    /* dle, dc1, dc2, dc3, dc4, nak, syn, etb, */
+    255, 255, 255, 255, 255, 255, 255, 255,
+
+    /* can,  em, sub, esc,  fs,  gs,  rs,  us, */
+    255, 255, 255, 255, 255, 255, 255, 255,
+
+    /*  sp, '!', '"', '#', '$', '%', '&', ''', */
+    255, 255, 255, 255, 255, 255, 255, 255,
+
+    /* '(', ')', '*', '+', ',', '-', '.', '/', */
+    255, 255, 255,  62, 255, 255, 255,  63,
+
+    /* '0', '1', '2', '3', '4', '5', '6', '7', */
+    52,  53,  54,  55,  56,  57,  58,  59,
+
+    /* '8', '9', ':', ';', '<', '=', '>', '?', */
+    60,  61, 255, 255, 255, 255, 255, 255,
+
+    /* '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', */
+    255,   0,   1,  2,   3,   4,   5,    6,
+
+    /* 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', */
+    7,   8,   9,  10,  11,  12,  13,  14,
+
+    /* 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', */
+    15,  16,  17,  18,  19,  20,  21,  22,
+
+    /* 'X', 'Y', 'Z', '[', '\', ']', '^', '_', */
+    23,  24,  25, 255, 255, 255, 255, 255,
+
+    /* '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', */
+    255,  26,  27,  28,  29,  30,  31,  32,
+
+    /* 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', */
+    33,  34,  35,  36,  37,  38,  39,  40,
+
+    /* 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', */
+    41,  42,  43,  44,  45,  46,  47,  48,
+
+    /* 'x', 'y', 'z', '{', '|', '}', '~', del, */
+    49,  50,  51, 255, 255, 255, 255, 255
+};
+
+unsigned int
+base64_encode(const unsigned char *in, unsigned int inlen, char *out)
+{
+    int s;
+    unsigned int i;
+    unsigned int j;
+    unsigned char c;
+    unsigned char l;
+
+    s = 0;
+    l = 0;
+    for (i = j = 0; i < inlen; i++) {
+        c = in[i];
+
+        switch (s) {
+        case 0:
+            s = 1;
+            out[j++] = base64en[(c >> 2) & 0x3F];
+            break;
+        case 1:
+            s = 2;
+            out[j++] = base64en[((l & 0x3) << 4) | ((c >> 4) & 0xF)];
+            break;
+        case 2:
+            s = 0;
+            out[j++] = base64en[((l & 0xF) << 2) | ((c >> 6) & 0x3)];
+            out[j++] = base64en[c & 0x3F];
+            break;
+        }
+        l = c;
+    }
+
+    switch (s) {
+    case 1:
+        out[j++] = base64en[(l & 0x3) << 4];
+        out[j++] = BASE64_PAD;
+        out[j++] = BASE64_PAD;
+        break;
+    case 2:
+        out[j++] = base64en[(l & 0xF) << 2];
+        out[j++] = BASE64_PAD;
+        break;
+    }
+
+    out[j] = 0;
+
+    return j;
+}
+
+unsigned int
+base64_decode(const char *in, unsigned int inlen, unsigned char *out)
+{
+    unsigned int i;
+    unsigned int j;
+    unsigned char c;
+
+    if (inlen & 0x3) {
+        return 0;
+    }
+
+    for (i = j = 0; i < inlen; i++) {
+        if (in[i] == BASE64_PAD) {
+            break;
+        }
+        if (in[i] < 0) {
+            return 0;
+        }
+
+        c = base64de[in[i]];
+        if (c == 255) {
+            return 0;
+        }
+
+        switch (i & 0x3) {
+        case 0:
+            out[j] = (c << 2) & 0xFF;
+            break;
+        case 1:
+            out[j++] |= (c >> 4) & 0x3;
+            out[j] = (c & 0xF) << 4;
+            break;
+        case 2:
+            out[j++] |= (c >> 2) & 0xF;
+            out[j] = (c & 0x3) << 6;
+            break;
+        case 3:
+            out[j++] |= c;
+            break;
+        }
+    }
+    out[j] = '\0';
+
+    return j;
+}
+
+#endif