GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/x509/x509_obj.c Lines: 53 72 73.6 %
Date: 2017-11-13 Branches: 28 52 53.8 %

Line Branch Exec Source
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/* $OpenBSD: x509_obj.c,v 1.17 2017/01/29 17:49:23 beck Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * All rights reserved.
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 *
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 * This package is an SSL implementation written
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 * by Eric Young (eay@cryptsoft.com).
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 * The implementation was written so as to conform with Netscapes SSL.
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 *
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 * This library is free for commercial and non-commercial use as long as
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 * the following conditions are aheared to.  The following conditions
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 * apply to all code found in this distribution, be it the RC4, RSA,
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 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
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 * included with this distribution is covered by the same copyright terms
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 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
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 *
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 * Copyright remains Eric Young's, and as such any Copyright notices in
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 * the code are not to be removed.
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 * If this package is used in a product, Eric Young should be given attribution
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 * as the author of the parts of the library used.
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 * This can be in the form of a textual message at program startup or
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 * in documentation (online or textual) provided with the package.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *    "This product includes cryptographic software written by
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 *     Eric Young (eay@cryptsoft.com)"
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 *    The word 'cryptographic' can be left out if the rouines from the library
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 *    being used are not cryptographic related :-).
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 * 4. If you include any Windows specific code (or a derivative thereof) from
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 *    the apps directory (application code) you must include an acknowledgement:
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 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * The licence and distribution terms for any publically available version or
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 * derivative of this code cannot be changed.  i.e. this code cannot simply be
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 * copied and put under another distribution licence
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 * [including the GNU Public Licence.]
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 */
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#include <stdio.h>
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#include <string.h>
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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#include <openssl/lhash.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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char *
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X509_NAME_oneline(X509_NAME *a, char *buf, int len)
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{
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	X509_NAME_ENTRY *ne;
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	int i;
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	int n, lold, l, l1, l2, num, j, type;
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	const char *s;
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	char *p;
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	unsigned char *q;
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	BUF_MEM *b = NULL;
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	static const char hex[17] = "0123456789ABCDEF";
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26704
	int gs_doit[4];
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13352
	char tmp_buf[80];
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13352
	if (buf == NULL) {
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13210
		if ((b = BUF_MEM_new()) == NULL)
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			goto err;
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13210
		if (!BUF_MEM_grow(b, 200))
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			goto err;
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13210
		b->data[0] = '\0';
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		len = 200;
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13210
	}
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13352
	if (a == NULL) {
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		if (b) {
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			buf = b->data;
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			free(b);
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		}
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		strlcpy(buf, "NO X509_NAME", len);
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		return buf;
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	}
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13352
	len--; /* space for '\0' */
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	l = 0;
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131678
	for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
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52487
		ne = sk_X509_NAME_ENTRY_value(a->entries, i);
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52487
		n = OBJ_obj2nid(ne->object);
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104974
		if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
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			i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
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			s = tmp_buf;
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		}
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52487
		l1 = strlen(s);
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52487
		type = ne->value->type;
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52487
		num = ne->value->length;
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52487
		q = ne->value->data;
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52487
		if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
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			gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
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			for (j = 0; j < num; j++)
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				if (q[j] != 0)
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					gs_doit[j & 3] = 1;
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			if (gs_doit[0]|gs_doit[1]|gs_doit[2])
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				gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
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			else {
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				gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
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				gs_doit[3] = 1;
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			}
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		} else
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52487
			gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
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1826180
		for (l2 = j=0; j < num; j++) {
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860603
			if (!gs_doit[j&3])
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				continue;
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860603
			l2++;
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1721206
			if ((q[j] < ' ') || (q[j] > '~'))
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2064
				l2 += 3;
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		}
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136
		lold = l;
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52487
		l += 1 + l1 + 1 + l2;
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52487
		if (b != NULL) {
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51919
			if (!BUF_MEM_grow(b, l + 1))
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				goto err;
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51919
			p = &(b->data[lold]);
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52487
		} else if (l > len) {
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			break;
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		} else
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568
			p = &(buf[lold]);
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52487
		*(p++) = '/';
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52487
		memcpy(p, s, l1);
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52487
		p += l1;
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52487
		*(p++) = '=';
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52487
		q = ne->value->data;
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1826180
		for (j = 0; j < num; j++) {
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860603
			if (!gs_doit[j & 3])
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				continue;
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860603
			n = q[j];
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860603
			if ((n < ' ') || (n > '~')) {
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2064
				*(p++) = '\\';
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2064
				*(p++) = 'x';
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2064
				*(p++) = hex[(n >> 4) & 0x0f];
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2064
				*(p++) = hex[n & 0x0f];
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2064
			} else
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858539
				*(p++) = n;
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		}
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52487
		*p = '\0';
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	}
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13352
	if (b != NULL) {
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13210
		p = b->data;
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13210
		free(b);
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13210
	} else
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		p = buf;
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13352
	if (i == 0)
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		*p = '\0';
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13352
	return (p);
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err:
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	X509error(ERR_R_MALLOC_FAILURE);
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	if (b != NULL)
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		BUF_MEM_free(b);
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	return (NULL);
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13352
}