Import OpenSSL 1.0.1m.

1 files changed, 189 insertions, 180 deletions

diff --git a/crypto/asn1/a_bitstr.c b/crypto/asn1/a_bitstr.c
index 4117a67..f906188 100644
--- a/crypto/asn1/a_bitstr.c
+++ b/crypto/asn1/a_bitstr.c
@@ -5,21 +5,21 @@
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -34,10 +34,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
@@ -61,193 +61,202 @@
 #include <openssl/asn1.h>
 
 int ASN1_BIT_STRING_set(ASN1_BIT_STRING *x, unsigned char *d, int len)
-{ return M_ASN1_BIT_STRING_set(x, d, len); }
+{
+    return M_ASN1_BIT_STRING_set(x, d, len);
+}
 
 int i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp)
-	{
-	int ret,j,bits,len;
-	unsigned char *p,*d;
-
-	if (a == NULL) return(0);
-
-	len=a->length;
-
-	if (len > 0)
-		{
-		if (a->flags & ASN1_STRING_FLAG_BITS_LEFT)
-			{
-			bits=(int)a->flags&0x07;
-			}
-		else
-			{
-			for ( ; len > 0; len--)
-				{
-				if (a->data[len-1]) break;
-				}
-			j=a->data[len-1];
-			if      (j & 0x01) bits=0;
-			else if (j & 0x02) bits=1;
-			else if (j & 0x04) bits=2;
-			else if (j & 0x08) bits=3;
-			else if (j & 0x10) bits=4;
-			else if (j & 0x20) bits=5;
-			else if (j & 0x40) bits=6;
-			else if (j & 0x80) bits=7;
-			else bits=0; /* should not happen */
-			}
-		}
-	else
-		bits=0;
-
-	ret=1+len;
-	if (pp == NULL) return(ret);
-
-	p= *pp;
-
-	*(p++)=(unsigned char)bits;
-	d=a->data;
-	memcpy(p,d,len);
-	p+=len;
-	if (len > 0) p[-1]&=(0xff<<bits);
-	*pp=p;
-	return(ret);
-	}
+{
+    int ret, j, bits, len;
+    unsigned char *p, *d;
+
+    if (a == NULL)
+        return (0);
+
+    len = a->length;
+
+    if (len > 0) {
+        if (a->flags & ASN1_STRING_FLAG_BITS_LEFT) {
+            bits = (int)a->flags & 0x07;
+        } else {
+            for (; len > 0; len--) {
+                if (a->data[len - 1])
+                    break;
+            }
+            j = a->data[len - 1];
+            if (j & 0x01)
+                bits = 0;
+            else if (j & 0x02)
+                bits = 1;
+            else if (j & 0x04)
+                bits = 2;
+            else if (j & 0x08)
+                bits = 3;
+            else if (j & 0x10)
+                bits = 4;
+            else if (j & 0x20)
+                bits = 5;
+            else if (j & 0x40)
+                bits = 6;
+            else if (j & 0x80)
+                bits = 7;
+            else
+                bits = 0;       /* should not happen */
+        }
+    } else
+        bits = 0;
+
+    ret = 1 + len;
+    if (pp == NULL)
+        return (ret);
+
+    p = *pp;
+
+    *(p++) = (unsigned char)bits;
+    d = a->data;
+    memcpy(p, d, len);
+    p += len;
+    if (len > 0)
+        p[-1] &= (0xff << bits);
+    *pp = p;
+    return (ret);
+}
 
 ASN1_BIT_STRING *c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a,
-	const unsigned char **pp, long len)
-	{
-	ASN1_BIT_STRING *ret=NULL;
-	const unsigned char *p;
-	unsigned char *s;
-	int i;
-
-	if (len < 1)
-		{
-		i=ASN1_R_STRING_TOO_SHORT;
-		goto err;
-		}
-
-	if ((a == NULL) || ((*a) == NULL))
-		{
-		if ((ret=M_ASN1_BIT_STRING_new()) == NULL) return(NULL);
-		}
-	else
-		ret=(*a);
-
-	p= *pp;
-	i= *(p++);
-	if (i > 7)
-		{
-		i=ASN1_R_INVALID_BIT_STRING_BITS_LEFT;
-		goto err;
-		}
-	/* We do this to preserve the settings.  If we modify
-	 * the settings, via the _set_bit function, we will recalculate
-	 * on output */
-	ret->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07); /* clear */
-	ret->flags|=(ASN1_STRING_FLAG_BITS_LEFT|i); /* set */
-
-	if (len-- > 1) /* using one because of the bits left byte */
-		{
-		s=(unsigned char *)OPENSSL_malloc((int)len);
-		if (s == NULL)
-			{
-			i=ERR_R_MALLOC_FAILURE;
-			goto err;
-			}
-		memcpy(s,p,(int)len);
-		s[len-1]&=(0xff<<i);
-		p+=len;
-		}
-	else
-		s=NULL;
-
-	ret->length=(int)len;
-	if (ret->data != NULL) OPENSSL_free(ret->data);
-	ret->data=s;
-	ret->type=V_ASN1_BIT_STRING;
-	if (a != NULL) (*a)=ret;
-	*pp=p;
-	return(ret);
-err:
-	ASN1err(ASN1_F_C2I_ASN1_BIT_STRING,i);
-	if ((ret != NULL) && ((a == NULL) || (*a != ret)))
-		M_ASN1_BIT_STRING_free(ret);
-	return(NULL);
-	}
-
-/* These next 2 functions from Goetz Babin-Ebell <babinebell@trustcenter.de>
+                                     const unsigned char **pp, long len)
+{
+    ASN1_BIT_STRING *ret = NULL;
+    const unsigned char *p;
+    unsigned char *s;
+    int i;
+
+    if (len < 1) {
+        i = ASN1_R_STRING_TOO_SHORT;
+        goto err;
+    }
+
+    if ((a == NULL) || ((*a) == NULL)) {
+        if ((ret = M_ASN1_BIT_STRING_new()) == NULL)
+            return (NULL);
+    } else
+        ret = (*a);
+
+    p = *pp;
+    i = *(p++);
+    if (i > 7) {
+        i = ASN1_R_INVALID_BIT_STRING_BITS_LEFT;
+        goto err;
+    }
+    /*
+     * We do this to preserve the settings.  If we modify the settings, via
+     * the _set_bit function, we will recalculate on output
+     */
+    ret->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); /* clear */
+    ret->flags |= (ASN1_STRING_FLAG_BITS_LEFT | i); /* set */
+
+    if (len-- > 1) {            /* using one because of the bits left byte */
+        s = (unsigned char *)OPENSSL_malloc((int)len);
+        if (s == NULL) {
+            i = ERR_R_MALLOC_FAILURE;
+            goto err;
+        }
+        memcpy(s, p, (int)len);
+        s[len - 1] &= (0xff << i);
+        p += len;
+    } else
+        s = NULL;
+
+    ret->length = (int)len;
+    if (ret->data != NULL)
+        OPENSSL_free(ret->data);
+    ret->data = s;
+    ret->type = V_ASN1_BIT_STRING;
+    if (a != NULL)
+        (*a) = ret;
+    *pp = p;
+    return (ret);
+ err:
+    ASN1err(ASN1_F_C2I_ASN1_BIT_STRING, i);
+    if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+        M_ASN1_BIT_STRING_free(ret);
+    return (NULL);
+}
+
+/*
+ * These next 2 functions from Goetz Babin-Ebell <babinebell@trustcenter.de>
  */
 int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value)
-	{
-	int w,v,iv;
-	unsigned char *c;
-
-	w=n/8;
-	v=1<<(7-(n&0x07));
-	iv= ~v;
-	if (!value) v=0;
-
-	if (a == NULL)
-		return 0;
-
-	a->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07); /* clear, set on write */
-
-	if ((a->length < (w+1)) || (a->data == NULL))
-		{
-		if (!value) return(1); /* Don't need to set */
-		if (a->data == NULL)
-			c=(unsigned char *)OPENSSL_malloc(w+1);
-		else
-			c=(unsigned char *)OPENSSL_realloc_clean(a->data,
-								 a->length,
-								 w+1);
-		if (c == NULL)
-			{
-			ASN1err(ASN1_F_ASN1_BIT_STRING_SET_BIT,ERR_R_MALLOC_FAILURE);
-			return 0;
-			}
-  		if (w+1-a->length > 0) memset(c+a->length, 0, w+1-a->length);
-		a->data=c;
-		a->length=w+1;
-	}
-	a->data[w]=((a->data[w])&iv)|v;
-	while ((a->length > 0) && (a->data[a->length-1] == 0))
-		a->length--;
-	return(1);
-	}
+{
+    int w, v, iv;
+    unsigned char *c;
+
+    w = n / 8;
+    v = 1 << (7 - (n & 0x07));
+    iv = ~v;
+    if (!value)
+        v = 0;
+
+    if (a == NULL)
+        return 0;
+
+    a->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); /* clear, set on write */
+
+    if ((a->length < (w + 1)) || (a->data == NULL)) {
+        if (!value)
+            return (1);         /* Don't need to set */
+        if (a->data == NULL)
+            c = (unsigned char *)OPENSSL_malloc(w + 1);
+        else
+            c = (unsigned char *)OPENSSL_realloc_clean(a->data,
+                                                       a->length, w + 1);
+        if (c == NULL) {
+            ASN1err(ASN1_F_ASN1_BIT_STRING_SET_BIT, ERR_R_MALLOC_FAILURE);
+            return 0;
+        }
+        if (w + 1 - a->length > 0)
+            memset(c + a->length, 0, w + 1 - a->length);
+        a->data = c;
+        a->length = w + 1;
+    }
+    a->data[w] = ((a->data[w]) & iv) | v;
+    while ((a->length > 0) && (a->data[a->length - 1] == 0))
+        a->length--;
+    return (1);
+}
 
 int ASN1_BIT_STRING_get_bit(ASN1_BIT_STRING *a, int n)
-	{
-	int w,v;
+{
+    int w, v;
 
-	w=n/8;
-	v=1<<(7-(n&0x07));
-	if ((a == NULL) || (a->length < (w+1)) || (a->data == NULL))
-		return(0);
-	return((a->data[w]&v) != 0);
-	}
+    w = n / 8;
+    v = 1 << (7 - (n & 0x07));
+    if ((a == NULL) || (a->length < (w + 1)) || (a->data == NULL))
+        return (0);
+    return ((a->data[w] & v) != 0);
+}
 
 /*
- * Checks if the given bit string contains only bits specified by 
+ * Checks if the given bit string contains only bits specified by
  * the flags vector. Returns 0 if there is at least one bit set in 'a'
  * which is not specified in 'flags', 1 otherwise.
  * 'len' is the length of 'flags'.
  */
 int ASN1_BIT_STRING_check(ASN1_BIT_STRING *a,
-			  unsigned char *flags, int flags_len)
-	{
-	int i, ok;
-	/* Check if there is one bit set at all. */
-	if (!a || !a->data) return 1;
-
-	/* Check each byte of the internal representation of the bit string. */
-	ok = 1;
-	for (i = 0; i < a->length && ok; ++i)
-		{
-		unsigned char mask = i < flags_len ? ~flags[i] : 0xff;
-		/* We are done if there is an unneeded bit set. */
-		ok = (a->data[i] & mask) == 0;
-		}
-	return ok;
-	}
+                          unsigned char *flags, int flags_len)
+{
+    int i, ok;
+    /* Check if there is one bit set at all. */
+    if (!a || !a->data)
+        return 1;
+
+    /*
+     * Check each byte of the internal representation of the bit string.
+     */
+    ok = 1;
+    for (i = 0; i < a->length && ok; ++i) {
+        unsigned char mask = i < flags_len ? ~flags[i] : 0xff;
+        /* We are done if there is an unneeded bit set. */
+        ok = (a->data[i] & mask) == 0;
+    }
+    return ok;
+}