Revert the size_t modifications from HEAD that had led to more
[openssl.git] / crypto / asn1 / a_mbstr.c
index 2fe658e085e7f3eecdcbf38e5d23aac56132156c..1bcd0468938e8380f75f8a62e8297c319c3a7ce3 100644 (file)
@@ -1,5 +1,5 @@
 /* a_mbstr.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 1999.
  */
 /* ====================================================================
@@ -72,25 +72,6 @@ static int cpy_univ(unsigned long value, void *arg);
 static int cpy_utf8(unsigned long value, void *arg);
 static int is_printable(unsigned long value);
 
-/* This is the default mask for the mbstring functions: it is designed
- * to be a "safe" DirectoryString. Netscape messenger crashes when it
- * receives a certificate containing a BMPString so by default we don't
- * use them unless we have to.
- */
-
-static long dirstring_mask = B_ASN1_PRINTABLESTRING
-                               | B_ASN1_T61STRING | B_ASN1_BMPSTRING;
-
-void ASN1_STRING_set_default_mask(unsigned long mask)
-{
-       dirstring_mask = mask;
-}
-
-unsigned long ASN1_STRING_get_default_mask(void)
-{
-       return dirstring_mask;
-}
-
 /* These functions take a string in UTF8, ASCII or multibyte form and
  * a mask of permissible ASN1 string types. It then works out the minimal
  * type (using the order Printable < IA5 < T61 < BMP < Universal < UTF8)
@@ -111,21 +92,22 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
 {
        int str_type;
        int ret;
+       char free_out;
        int outform, outlen;
        ASN1_STRING *dest;
        unsigned char *p;
        int nchar;
-       unsigned char strbuf[32];
+       char strbuf[32];
        int (*cpyfunc)(unsigned long,void *) = NULL;
        if(len == -1) len = strlen((const char *)in);
-       if(!mask) mask = dirstring_mask;
+       if(!mask) mask = DIRSTRING_TYPE;
 
        /* First do a string check and work out the number of characters */
        switch(inform) {
 
                case MBSTRING_BMP:
                if(len & 1) {
-                       ASN1err(ASN1_F_ASN1_MBSTRING_COPY,
+                       ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,
                                         ASN1_R_INVALID_BMPSTRING_LENGTH);
                        return -1;
                }
@@ -134,7 +116,7 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
 
                case MBSTRING_UNIV:
                if(len & 3) {
-                       ASN1err(ASN1_F_ASN1_MBSTRING_COPY,
+                       ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,
                                         ASN1_R_INVALID_UNIVERSALSTRING_LENGTH);
                        return -1;
                }
@@ -146,7 +128,7 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
                /* This counts the characters and does utf8 syntax checking */
                ret = traverse_string(in, len, MBSTRING_UTF8, in_utf8, &nchar);
                if(ret < 0) {
-                       ASN1err(ASN1_F_ASN1_MBSTRING_COPY,
+                       ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,
                                                 ASN1_R_INVALID_UTF8STRING);
                        return -1;
                }
@@ -157,27 +139,27 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
                break;
 
                default:
-               ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_UNKNOWN_FORMAT);
+               ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_UNKNOWN_FORMAT);
                return -1;
        }
 
-       if(minsize && (nchar < minsize)) {
-               ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_STRING_TOO_SHORT);
-               sprintf(strbuf, "%ld", minsize);
+       if((minsize > 0) && (nchar < minsize)) {
+               ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_STRING_TOO_SHORT);
+               BIO_snprintf(strbuf, sizeof strbuf, "%ld", minsize);
                ERR_add_error_data(2, "minsize=", strbuf);
                return -1;
        }
 
-       if(maxsize && (nchar > maxsize)) {
-               ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_STRING_TOO_LONG);
-               sprintf(strbuf, "%ld", maxsize);
+       if((maxsize > 0) && (nchar > maxsize)) {
+               ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_STRING_TOO_LONG);
+               BIO_snprintf(strbuf, sizeof strbuf, "%ld", maxsize);
                ERR_add_error_data(2, "maxsize=", strbuf);
                return -1;
        }
 
        /* Now work out minimal type (if any) */
        if(traverse_string(in, len, inform, type_str, &mask) < 0) {
-               ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_ILLEGAL_CHARACTERS);
+               ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_ILLEGAL_CHARACTERS);
                return -1;
        }
 
@@ -199,17 +181,19 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
        }
        if(!out) return str_type;
        if(*out) {
+               free_out = 0;
                dest = *out;
                if(dest->data) {
                        dest->length = 0;
-                       Free(dest->data);
+                       OPENSSL_free(dest->data);
                        dest->data = NULL;
                }
                dest->type = str_type;
        } else {
+               free_out = 1;
                dest = ASN1_STRING_type_new(str_type);
                if(!dest) {
-                       ASN1err(ASN1_F_ASN1_MBSTRING_COPY,
+                       ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,
                                                        ERR_R_MALLOC_FAILURE);
                        return -1;
                }
@@ -218,7 +202,7 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
        /* If both the same type just copy across */
        if(inform == outform) {
                if(!ASN1_STRING_set(dest, in, len)) {
-                       ASN1err(ASN1_F_ASN1_MBSTRING_COPY,ERR_R_MALLOC_FAILURE);
+                       ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,ERR_R_MALLOC_FAILURE);
                        return -1;
                }
                return str_type;
@@ -247,9 +231,9 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
                cpyfunc = cpy_utf8;
                break;
        }
-       if(!(p = Malloc(outlen + 1))) {
-               ASN1_STRING_free(dest);
-               ASN1err(ASN1_F_ASN1_MBSTRING_COPY,ERR_R_MALLOC_FAILURE);
+       if(!(p = OPENSSL_malloc(outlen + 1))) {
+               if(free_out) ASN1_STRING_free(dest);
+               ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,ERR_R_MALLOC_FAILURE);
                return -1;
        }
        dest->length = outlen;
@@ -277,8 +261,8 @@ static int traverse_string(const unsigned char *p, int len, int inform,
                        value |= *p++;
                        len -= 2;
                } else if(inform == MBSTRING_UNIV) {
-                       value = *p++ << 24;
-                       value |= *p++ << 16;
+                       value = ((unsigned long)*p++) << 24;
+                       value |= ((unsigned long)*p++) << 16;
                        value |= *p++ << 8;
                        value |= *p++;
                        len -= 4;
@@ -312,7 +296,7 @@ static int in_utf8(unsigned long value, void *arg)
 
 static int out_utf8(unsigned long value, void *arg)
 {
-       long *outlen;
+       int *outlen;
        outlen = arg;
        *outlen += UTF8_putc(NULL, -1, value);
        return 1;
@@ -401,9 +385,16 @@ static int is_printable(unsigned long value)
        /* Note: we can't use 'isalnum' because certain accented 
         * characters may count as alphanumeric in some environments.
         */
+#ifndef CHARSET_EBCDIC
        if((ch >= 'a') && (ch <= 'z')) return 1;
        if((ch >= 'A') && (ch <= 'Z')) return 1;
        if((ch >= '0') && (ch <= '9')) return 1;
        if ((ch == ' ') || strchr("'()+,-./:=?", ch)) return 1;
+#else /*CHARSET_EBCDIC*/
+       if((ch >= os_toascii['a']) && (ch <= os_toascii['z'])) return 1;
+       if((ch >= os_toascii['A']) && (ch <= os_toascii['Z'])) return 1;
+       if((ch >= os_toascii['0']) && (ch <= os_toascii['9'])) return 1;
+       if ((ch == os_toascii[' ']) || strchr("'()+,-./:=?", os_toebcdic[ch])) return 1;
+#endif /*CHARSET_EBCDIC*/
        return 0;
 }