1 files changed, 237 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/pkcs12/p12_utl.c b/openssl-1.1.0h/crypto/pkcs12/p12_utl.c
new file mode 100644
index 0000000..0701478
--- /dev/null
+++ b/openssl-1.1.0h/crypto/pkcs12/p12_utl.c
@@ -0,0 +1,237 @@
+/*
+ * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/pkcs12.h>
+
+/* Cheap and nasty Unicode stuff */
+
+unsigned char *OPENSSL_asc2uni(const char *asc, int asclen,
+                               unsigned char **uni, int *unilen)
+{
+    int ulen, i;
+    unsigned char *unitmp;
+
+    if (asclen == -1)
+        asclen = strlen(asc);
+    ulen = asclen * 2 + 2;
+    if ((unitmp = OPENSSL_malloc(ulen)) == NULL)
+        return NULL;
+    for (i = 0; i < ulen - 2; i += 2) {
+        unitmp[i] = 0;
+        unitmp[i + 1] = asc[i >> 1];
+    }
+    /* Make result double null terminated */
+    unitmp[ulen - 2] = 0;
+    unitmp[ulen - 1] = 0;
+    if (unilen)
+        *unilen = ulen;
+    if (uni)
+        *uni = unitmp;
+    return unitmp;
+}
+
+char *OPENSSL_uni2asc(const unsigned char *uni, int unilen)
+{
+    int asclen, i;
+    char *asctmp;
+    /* string must contain an even number of bytes */
+    if (unilen & 1)
+        return NULL;
+    asclen = unilen / 2;
+    /* If no terminating zero allow for one */
+    if (!unilen || uni[unilen - 1])
+        asclen++;
+    uni++;
+    if ((asctmp = OPENSSL_malloc(asclen)) == NULL)
+        return NULL;
+    for (i = 0; i < unilen; i += 2)
+        asctmp[i >> 1] = uni[i];
+    asctmp[asclen - 1] = 0;
+    return asctmp;
+}
+
+/*
+ * OPENSSL_{utf82uni|uni2utf8} perform conversion between UTF-8 and
+ * PKCS#12 BMPString format, which is specified as big-endian UTF-16.
+ * One should keep in mind that even though BMPString is passed as
+ * unsigned char *, it's not the kind of string you can exercise e.g.
+ * strlen on. Caller also has to keep in mind that its length is
+ * expressed not in number of UTF-16 characters, but in number of
+ * bytes the string occupies, and treat it, the length, accordingly.
+ */
+unsigned char *OPENSSL_utf82uni(const char *asc, int asclen,
+                                unsigned char **uni, int *unilen)
+{
+    int ulen, i, j;
+    unsigned char *unitmp, *ret;
+    unsigned long utf32chr = 0;
+
+    if (asclen == -1)
+        asclen = strlen(asc);
+
+    for (ulen = 0, i = 0; i < asclen; i += j) {
+        j = UTF8_getc((const unsigned char *)asc+i, asclen-i, &utf32chr);
+
+        /*
+         * Following condition is somewhat opportunistic is sense that
+         * decoding failure is used as *indirect* indication that input
+         * string might in fact be extended ASCII/ANSI/ISO-8859-X. The
+         * fallback is taken in hope that it would allow to process
+         * files created with previous OpenSSL version, which used the
+         * naive OPENSSL_asc2uni all along. It might be worth noting
+         * that probability of false positive depends on language. In
+         * cases covered by ISO Latin 1 probability is very low, because
+         * any printable non-ASCII alphabet letter followed by another
+         * or any ASCII character will trigger failure and fallback.
+         * In other cases situation can be intensified by the fact that
+         * English letters are not part of alternative keyboard layout,
+         * but even then there should be plenty of pairs that trigger
+         * decoding failure...
+         */
+        if (j < 0)
+	    return OPENSSL_asc2uni(asc, asclen, uni, unilen);
+
+        if (utf32chr > 0x10FFFF)        /* UTF-16 cap */
+	    return NULL;
+
+        if (utf32chr >= 0x10000)        /* pair of UTF-16 characters */
+            ulen += 2*2;
+        else                            /* or just one */
+            ulen += 2;
+    }
+
+    ulen += 2;  /* for trailing UTF16 zero */
+
+    if ((ret = OPENSSL_malloc(ulen)) == NULL)
+        return NULL;
+
+    /* re-run the loop writing down UTF-16 characters in big-endian order */
+    for (unitmp = ret, i = 0; i < asclen; i += j) {
+        j = UTF8_getc((const unsigned char *)asc+i, asclen-i, &utf32chr);
+        if (utf32chr >= 0x10000) {      /* pair if UTF-16 characters */
+            unsigned int hi, lo;
+
+            utf32chr -= 0x10000;
+            hi = 0xD800 + (utf32chr>>10);
+            lo = 0xDC00 + (utf32chr&0x3ff);
+            *unitmp++ = (unsigned char)(hi>>8);
+            *unitmp++ = (unsigned char)(hi);
+            *unitmp++ = (unsigned char)(lo>>8);
+            *unitmp++ = (unsigned char)(lo);
+        } else {                        /* or just one */
+            *unitmp++ = (unsigned char)(utf32chr>>8);
+            *unitmp++ = (unsigned char)(utf32chr);
+        }
+    }
+    /* Make result double null terminated */
+    *unitmp++ = 0;
+    *unitmp++ = 0;
+    if (unilen)
+        *unilen = ulen;
+    if (uni)
+        *uni = ret;
+    return ret;
+}
+
+static int bmp_to_utf8(char *str, const unsigned char *utf16, int len)
+{
+    unsigned long utf32chr;
+
+    if (len == 0) return 0;
+
+    if (len < 2) return -1;
+
+    /* pull UTF-16 character in big-endian order */
+    utf32chr = (utf16[0]<<8) | utf16[1];
+
+    if (utf32chr >= 0xD800 && utf32chr < 0xE000) {   /* two chars */
+        unsigned int lo;
+
+        if (len < 4) return -1;
+
+        utf32chr -= 0xD800;
+        utf32chr <<= 10;
+        lo = (utf16[2]<<8) | utf16[3];
+        if (lo < 0xDC00 || lo >= 0xE000) return -1;
+        utf32chr |= lo-0xDC00;
+        utf32chr += 0x10000;
+    }
+
+    return UTF8_putc((unsigned char *)str, len > 4 ? 4 : len, utf32chr);
+}
+
+char *OPENSSL_uni2utf8(const unsigned char *uni, int unilen)
+{
+    int asclen, i, j;
+    char *asctmp;
+
+    /* string must contain an even number of bytes */
+    if (unilen & 1)
+        return NULL;
+
+    for (asclen = 0, i = 0; i < unilen; ) {
+        j = bmp_to_utf8(NULL, uni+i, unilen-i);
+        /*
+         * falling back to OPENSSL_uni2asc makes lesser sense [than
+         * falling back to OPENSSL_asc2uni in OPENSSL_utf82uni above],
+         * it's done rather to maintain symmetry...
+         */
+        if (j < 0) return OPENSSL_uni2asc(uni, unilen);
+        if (j == 4) i += 4;
+        else        i += 2;
+        asclen += j;
+    }
+
+    /* If no terminating zero allow for one */
+    if (!unilen || (uni[unilen-2]||uni[unilen - 1]))
+        asclen++;
+
+    if ((asctmp = OPENSSL_malloc(asclen)) == NULL)
+        return NULL;
+
+    /* re-run the loop emitting UTF-8 string */
+    for (asclen = 0, i = 0; i < unilen; ) {
+        j = bmp_to_utf8(asctmp+asclen, uni+i, unilen-i);
+        if (j == 4) i += 4;
+        else        i += 2;
+        asclen += j;
+    }
+
+    /* If no terminating zero write one */
+    if (!unilen || (uni[unilen-2]||uni[unilen - 1]))
+        asctmp[asclen] = '\0';
+
+    return asctmp;
+}
+
+int i2d_PKCS12_bio(BIO *bp, PKCS12 *p12)
+{
+    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
+}
+
+#ifndef OPENSSL_NO_STDIO
+int i2d_PKCS12_fp(FILE *fp, PKCS12 *p12)
+{
+    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
+}
+#endif
+
+PKCS12 *d2i_PKCS12_bio(BIO *bp, PKCS12 **p12)
+{
+    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
+}
+
+#ifndef OPENSSL_NO_STDIO
+PKCS12 *d2i_PKCS12_fp(FILE *fp, PKCS12 **p12)
+{
+    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
+}
+#endif