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Diffstat (limited to 'src/crypto/asn1/a_print.c')
| -rw-r--r-- | src/crypto/asn1/a_print.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/crypto/asn1/a_print.c b/src/crypto/asn1/a_print.c new file mode 100644 index 0000000..3b6be10 --- /dev/null +++ b/src/crypto/asn1/a_print.c @@ -0,0 +1,119 @@ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * 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: + * 1. Redistributions of source code must retain the 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 acknowledgement: + * "This product includes cryptographic software written by + * 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 + * 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 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR 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. + * + * 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 + * [including the GNU Public Licence.] */ + +#include <openssl/asn1.h> + +#include <openssl/err.h> +#include <openssl/mem.h> + + +int ASN1_PRINTABLE_type(const unsigned char *s, int len) + { + int c; + int ia5=0; + int t61=0; + + if (len <= 0) len= -1; + if (s == NULL) return(V_ASN1_PRINTABLESTRING); + + while ((*s) && (len-- != 0)) + { + c= *(s++); + if (!( ((c >= 'a') && (c <= 'z')) || + ((c >= 'A') && (c <= 'Z')) || + (c == ' ') || + ((c >= '0') && (c <= '9')) || + (c == ' ') || (c == '\'') || + (c == '(') || (c == ')') || + (c == '+') || (c == ',') || + (c == '-') || (c == '.') || + (c == '/') || (c == ':') || + (c == '=') || (c == '?'))) + ia5=1; + if (c&0x80) + t61=1; + } + if (t61) return(V_ASN1_T61STRING); + if (ia5) return(V_ASN1_IA5STRING); + return(V_ASN1_PRINTABLESTRING); + } + +int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s) + { + int i; + unsigned char *p; + + if (s->type != V_ASN1_UNIVERSALSTRING) return(0); + if ((s->length%4) != 0) return(0); + p=s->data; + for (i=0; i<s->length; i+=4) + { + if ((p[0] != '\0') || (p[1] != '\0') || (p[2] != '\0')) + break; + else + p+=4; + } + if (i < s->length) return(0); + p=s->data; + for (i=3; i<s->length; i+=4) + { + *(p++)=s->data[i]; + } + *(p)='\0'; + s->length/=4; + s->type=ASN1_PRINTABLE_type(s->data,s->length); + return(1); + } |