diff options
Diffstat (limited to 'openssl/crypto/asn1/a_mbstr.c')
| -rw-r--r-- | openssl/crypto/asn1/a_mbstr.c | 400 |
1 files changed, 0 insertions, 400 deletions
diff --git a/openssl/crypto/asn1/a_mbstr.c b/openssl/crypto/asn1/a_mbstr.c deleted file mode 100644 index 1538e0a4..00000000 --- a/openssl/crypto/asn1/a_mbstr.c +++ /dev/null @@ -1,400 +0,0 @@ -/* a_mbstr.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 1999. - */ -/* ==================================================================== - * Copyright (c) 1999 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <stdio.h> -#include <ctype.h> -#include "cryptlib.h" -#include <openssl/asn1.h> - -static int traverse_string(const unsigned char *p, int len, int inform, - int (*rfunc)(unsigned long value, void *in), void *arg); -static int in_utf8(unsigned long value, void *arg); -static int out_utf8(unsigned long value, void *arg); -static int type_str(unsigned long value, void *arg); -static int cpy_asc(unsigned long value, void *arg); -static int cpy_bmp(unsigned long value, void *arg); -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); - -/* 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) - * and creates a string of the correct type with the supplied data. - * Yes this is horrible: it has to be :-( - * The 'ncopy' form checks minimum and maximum size limits too. - */ - -int ASN1_mbstring_copy(ASN1_STRING **out, const unsigned char *in, int len, - int inform, unsigned long mask) -{ - return ASN1_mbstring_ncopy(out, in, len, inform, mask, 0, 0); -} - -int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len, - int inform, unsigned long mask, - long minsize, long maxsize) -{ - int str_type; - int ret; - char free_out; - int outform, outlen = 0; - ASN1_STRING *dest; - unsigned char *p; - int nchar; - char strbuf[32]; - int (*cpyfunc)(unsigned long,void *) = NULL; - if(len == -1) len = strlen((const char *)in); - 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_NCOPY, - ASN1_R_INVALID_BMPSTRING_LENGTH); - return -1; - } - nchar = len >> 1; - break; - - case MBSTRING_UNIV: - if(len & 3) { - ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, - ASN1_R_INVALID_UNIVERSALSTRING_LENGTH); - return -1; - } - nchar = len >> 2; - break; - - case MBSTRING_UTF8: - nchar = 0; - /* 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_NCOPY, - ASN1_R_INVALID_UTF8STRING); - return -1; - } - break; - - case MBSTRING_ASC: - nchar = len; - break; - - default: - ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_UNKNOWN_FORMAT); - return -1; - } - - 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 > 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_NCOPY, ASN1_R_ILLEGAL_CHARACTERS); - return -1; - } - - - /* Now work out output format and string type */ - outform = MBSTRING_ASC; - if(mask & B_ASN1_PRINTABLESTRING) str_type = V_ASN1_PRINTABLESTRING; - else if(mask & B_ASN1_IA5STRING) str_type = V_ASN1_IA5STRING; - else if(mask & B_ASN1_T61STRING) str_type = V_ASN1_T61STRING; - else if(mask & B_ASN1_BMPSTRING) { - str_type = V_ASN1_BMPSTRING; - outform = MBSTRING_BMP; - } else if(mask & B_ASN1_UNIVERSALSTRING) { - str_type = V_ASN1_UNIVERSALSTRING; - outform = MBSTRING_UNIV; - } else { - str_type = V_ASN1_UTF8STRING; - outform = MBSTRING_UTF8; - } - if(!out) return str_type; - if(*out) { - free_out = 0; - dest = *out; - if(dest->data) { - dest->length = 0; - 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_NCOPY, - ERR_R_MALLOC_FAILURE); - return -1; - } - *out = dest; - } - /* If both the same type just copy across */ - if(inform == outform) { - if(!ASN1_STRING_set(dest, in, len)) { - ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,ERR_R_MALLOC_FAILURE); - return -1; - } - return str_type; - } - - /* Work out how much space the destination will need */ - switch(outform) { - case MBSTRING_ASC: - outlen = nchar; - cpyfunc = cpy_asc; - break; - - case MBSTRING_BMP: - outlen = nchar << 1; - cpyfunc = cpy_bmp; - break; - - case MBSTRING_UNIV: - outlen = nchar << 2; - cpyfunc = cpy_univ; - break; - - case MBSTRING_UTF8: - outlen = 0; - traverse_string(in, len, inform, out_utf8, &outlen); - cpyfunc = cpy_utf8; - break; - } - 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; - dest->data = p; - p[outlen] = 0; - traverse_string(in, len, inform, cpyfunc, &p); - return str_type; -} - -/* This function traverses a string and passes the value of each character - * to an optional function along with a void * argument. - */ - -static int traverse_string(const unsigned char *p, int len, int inform, - int (*rfunc)(unsigned long value, void *in), void *arg) -{ - unsigned long value; - int ret; - while(len) { - if(inform == MBSTRING_ASC) { - value = *p++; - len--; - } else if(inform == MBSTRING_BMP) { - value = *p++ << 8; - value |= *p++; - len -= 2; - } else if(inform == MBSTRING_UNIV) { - value = ((unsigned long)*p++) << 24; - value |= ((unsigned long)*p++) << 16; - value |= *p++ << 8; - value |= *p++; - len -= 4; - } else { - ret = UTF8_getc(p, len, &value); - if(ret < 0) return -1; - len -= ret; - p += ret; - } - if(rfunc) { - ret = rfunc(value, arg); - if(ret <= 0) return ret; - } - } - return 1; -} - -/* Various utility functions for traverse_string */ - -/* Just count number of characters */ - -static int in_utf8(unsigned long value, void *arg) -{ - int *nchar; - nchar = arg; - (*nchar)++; - return 1; -} - -/* Determine size of output as a UTF8 String */ - -static int out_utf8(unsigned long value, void *arg) -{ - int *outlen; - outlen = arg; - *outlen += UTF8_putc(NULL, -1, value); - return 1; -} - -/* Determine the "type" of a string: check each character against a - * supplied "mask". - */ - -static int type_str(unsigned long value, void *arg) -{ - unsigned long types; - types = *((unsigned long *)arg); - if((types & B_ASN1_PRINTABLESTRING) && !is_printable(value)) - types &= ~B_ASN1_PRINTABLESTRING; - if((types & B_ASN1_IA5STRING) && (value > 127)) - types &= ~B_ASN1_IA5STRING; - if((types & B_ASN1_T61STRING) && (value > 0xff)) - types &= ~B_ASN1_T61STRING; - if((types & B_ASN1_BMPSTRING) && (value > 0xffff)) - types &= ~B_ASN1_BMPSTRING; - if(!types) return -1; - *((unsigned long *)arg) = types; - return 1; -} - -/* Copy one byte per character ASCII like strings */ - -static int cpy_asc(unsigned long value, void *arg) -{ - unsigned char **p, *q; - p = arg; - q = *p; - *q = (unsigned char) value; - (*p)++; - return 1; -} - -/* Copy two byte per character BMPStrings */ - -static int cpy_bmp(unsigned long value, void *arg) -{ - unsigned char **p, *q; - p = arg; - q = *p; - *q++ = (unsigned char) ((value >> 8) & 0xff); - *q = (unsigned char) (value & 0xff); - *p += 2; - return 1; -} - -/* Copy four byte per character UniversalStrings */ - -static int cpy_univ(unsigned long value, void *arg) -{ - unsigned char **p, *q; - p = arg; - q = *p; - *q++ = (unsigned char) ((value >> 24) & 0xff); - *q++ = (unsigned char) ((value >> 16) & 0xff); - *q++ = (unsigned char) ((value >> 8) & 0xff); - *q = (unsigned char) (value & 0xff); - *p += 4; - return 1; -} - -/* Copy to a UTF8String */ - -static int cpy_utf8(unsigned long value, void *arg) -{ - unsigned char **p; - int ret; - p = arg; - /* We already know there is enough room so pass 0xff as the length */ - ret = UTF8_putc(*p, 0xff, value); - *p += ret; - return 1; -} - -/* Return 1 if the character is permitted in a PrintableString */ -static int is_printable(unsigned long value) -{ - int ch; - if(value > 0x7f) return 0; - ch = (int) 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; -} |