Initial import

1 files changed, 328 insertions, 0 deletions

diff --git a/openssl/crypto/x509v3/v3_pci.c b/openssl/crypto/x509v3/v3_pci.c
new file mode 100644
index 00000000..0dcfa004
--- /dev/null
+++ b/openssl/crypto/x509v3/v3_pci.c
@@ -0,0 +1,328 @@
+/* v3_pci.c -*- mode:C; c-file-style: "eay" -*- */
+/* Contributed to the OpenSSL Project 2004
+ * by Richard Levitte (richard@levitte.org)
+ */
+/* Copyright (c) 2004 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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.
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/conf.h>
+#include <openssl/x509v3.h>
+
+static int i2r_pci(X509V3_EXT_METHOD *method, PROXY_CERT_INFO_EXTENSION *ext,
+	BIO *out, int indent);
+static PROXY_CERT_INFO_EXTENSION *r2i_pci(X509V3_EXT_METHOD *method,
+	X509V3_CTX *ctx, char *str);
+
+const X509V3_EXT_METHOD v3_pci =
+	{ NID_proxyCertInfo, 0, ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
+	  0,0,0,0,
+	  0,0,
+	  NULL, NULL,
+	  (X509V3_EXT_I2R)i2r_pci,
+	  (X509V3_EXT_R2I)r2i_pci,
+	  NULL,
+	};
+
+static int i2r_pci(X509V3_EXT_METHOD *method, PROXY_CERT_INFO_EXTENSION *pci,
+	BIO *out, int indent)
+	{
+	BIO_printf(out, "%*sPath Length Constraint: ", indent, "");
+	if (pci->pcPathLengthConstraint)
+	  i2a_ASN1_INTEGER(out, pci->pcPathLengthConstraint);
+	else
+	  BIO_printf(out, "infinite");
+	BIO_puts(out, "\n");
+	BIO_printf(out, "%*sPolicy Language: ", indent, "");
+	i2a_ASN1_OBJECT(out, pci->proxyPolicy->policyLanguage);
+	BIO_puts(out, "\n");
+	if (pci->proxyPolicy->policy && pci->proxyPolicy->policy->data)
+	  BIO_printf(out, "%*sPolicy Text: %s\n", indent, "",
+		     pci->proxyPolicy->policy->data);
+	return 1;
+	}
+
+static int process_pci_value(CONF_VALUE *val,
+	ASN1_OBJECT **language, ASN1_INTEGER **pathlen,
+	ASN1_OCTET_STRING **policy)
+	{
+	int free_policy = 0;
+
+	if (strcmp(val->name, "language") == 0)
+		{
+		if (*language)
+			{
+			X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_POLICY_LANGUAGE_ALREADY_DEFINED);
+			X509V3_conf_err(val);
+			return 0;
+			}
+		if (!(*language = OBJ_txt2obj(val->value, 0)))
+			{
+			X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_INVALID_OBJECT_IDENTIFIER);
+			X509V3_conf_err(val);
+			return 0;
+			}
+		}
+	else if (strcmp(val->name, "pathlen") == 0)
+		{
+		if (*pathlen)
+			{
+			X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_POLICY_PATH_LENGTH_ALREADY_DEFINED);
+			X509V3_conf_err(val);
+			return 0;
+			}
+		if (!X509V3_get_value_int(val, pathlen))
+			{
+			X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_POLICY_PATH_LENGTH);
+			X509V3_conf_err(val);
+			return 0;
+			}
+		}
+	else if (strcmp(val->name, "policy") == 0)
+		{
+		unsigned char *tmp_data = NULL;
+		long val_len;
+		if (!*policy)
+			{
+			*policy = ASN1_OCTET_STRING_new();
+			if (!*policy)
+				{
+				X509V3err(X509V3_F_PROCESS_PCI_VALUE,ERR_R_MALLOC_FAILURE);
+				X509V3_conf_err(val);
+				return 0;
+				}
+			free_policy = 1;
+			}
+		if (strncmp(val->value, "hex:", 4) == 0)
+			{
+			unsigned char *tmp_data2 =
+				string_to_hex(val->value + 4, &val_len);
+
+			if (!tmp_data2) 
+				{
+				X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_ILLEGAL_HEX_DIGIT);
+				X509V3_conf_err(val);
+				goto err;
+				}
+
+			tmp_data = OPENSSL_realloc((*policy)->data,
+				(*policy)->length + val_len + 1);
+			if (tmp_data)
+				{
+				(*policy)->data = tmp_data;
+				memcpy(&(*policy)->data[(*policy)->length],
+					tmp_data2, val_len);
+				(*policy)->length += val_len;
+				(*policy)->data[(*policy)->length] = '\0';
+				}
+			else
+				{
+				OPENSSL_free(tmp_data2);
+				/* realloc failure implies the original data space is b0rked too! */
+				(*policy)->data = NULL;
+				(*policy)->length = 0;
+				X509V3err(X509V3_F_PROCESS_PCI_VALUE,ERR_R_MALLOC_FAILURE);
+				X509V3_conf_err(val);
+				goto err;
+				}
+			OPENSSL_free(tmp_data2);
+			}
+		else if (strncmp(val->value, "file:", 5) == 0)
+			{
+			unsigned char buf[2048];
+			int n;
+			BIO *b = BIO_new_file(val->value + 5, "r");
+			if (!b)
+				{
+				X509V3err(X509V3_F_PROCESS_PCI_VALUE,ERR_R_BIO_LIB);
+				X509V3_conf_err(val);
+				goto err;
+				}
+			while((n = BIO_read(b, buf, sizeof(buf))) > 0
+				|| (n == 0 && BIO_should_retry(b)))
+				{
+				if (!n) continue;
+
+				tmp_data = OPENSSL_realloc((*policy)->data,
+					(*policy)->length + n + 1);
+
+				if (!tmp_data)
+					break;
+
+				(*policy)->data = tmp_data;
+				memcpy(&(*policy)->data[(*policy)->length],
+					buf, n);
+				(*policy)->length += n;
+				(*policy)->data[(*policy)->length] = '\0';
+				}
+			BIO_free_all(b);
+
+			if (n < 0)
+				{
+				X509V3err(X509V3_F_PROCESS_PCI_VALUE,ERR_R_BIO_LIB);
+				X509V3_conf_err(val);
+				goto err;
+				}
+			}
+		else if (strncmp(val->value, "text:", 5) == 0)
+			{
+			val_len = strlen(val->value + 5);
+			tmp_data = OPENSSL_realloc((*policy)->data,
+				(*policy)->length + val_len + 1);
+			if (tmp_data)
+				{
+				(*policy)->data = tmp_data;
+				memcpy(&(*policy)->data[(*policy)->length],
+					val->value + 5, val_len);
+				(*policy)->length += val_len;
+				(*policy)->data[(*policy)->length] = '\0';
+				}
+			else
+				{
+				/* realloc failure implies the original data space is b0rked too! */
+				(*policy)->data = NULL;
+				(*policy)->length = 0;
+				X509V3err(X509V3_F_PROCESS_PCI_VALUE,ERR_R_MALLOC_FAILURE);
+				X509V3_conf_err(val);
+				goto err;
+				}
+			}
+		else
+			{
+			X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_INCORRECT_POLICY_SYNTAX_TAG);
+			X509V3_conf_err(val);
+			goto err;
+			}
+		if (!tmp_data)
+			{
+			X509V3err(X509V3_F_PROCESS_PCI_VALUE,ERR_R_MALLOC_FAILURE);
+			X509V3_conf_err(val);
+			goto err;
+			}
+		}
+	return 1;
+err:
+	if (free_policy)
+		{
+		ASN1_OCTET_STRING_free(*policy);
+		*policy = NULL;
+		}
+	return 0;
+	}
+
+static PROXY_CERT_INFO_EXTENSION *r2i_pci(X509V3_EXT_METHOD *method,
+	X509V3_CTX *ctx, char *value)
+	{
+	PROXY_CERT_INFO_EXTENSION *pci = NULL;
+	STACK_OF(CONF_VALUE) *vals;
+	ASN1_OBJECT *language = NULL;
+	ASN1_INTEGER *pathlen = NULL;
+	ASN1_OCTET_STRING *policy = NULL;
+	int i, j;
+
+	vals = X509V3_parse_list(value);
+	for (i = 0; i < sk_CONF_VALUE_num(vals); i++)
+		{
+		CONF_VALUE *cnf = sk_CONF_VALUE_value(vals, i);
+		if (!cnf->name || (*cnf->name != '@' && !cnf->value))
+			{
+			X509V3err(X509V3_F_R2I_PCI,X509V3_R_INVALID_PROXY_POLICY_SETTING);
+			X509V3_conf_err(cnf);
+			goto err;
+			}
+		if (*cnf->name == '@')
+			{
+			STACK_OF(CONF_VALUE) *sect;
+			int success_p = 1;
+
+			sect = X509V3_get_section(ctx, cnf->name + 1);
+			if (!sect)
+				{
+				X509V3err(X509V3_F_R2I_PCI,X509V3_R_INVALID_SECTION);
+				X509V3_conf_err(cnf);
+				goto err;
+				}
+			for (j = 0; success_p && j < sk_CONF_VALUE_num(sect); j++)
+				{
+				success_p =
+					process_pci_value(sk_CONF_VALUE_value(sect, j),
+						&language, &pathlen, &policy);
+				}
+			X509V3_section_free(ctx, sect);
+			if (!success_p)
+				goto err;
+			}
+		else
+			{
+			if (!process_pci_value(cnf,
+					&language, &pathlen, &policy))
+				{
+				X509V3_conf_err(cnf);
+				goto err;
+				}
+			}
+		}
+
+	/* Language is mandatory */
+	if (!language)
+		{
+		X509V3err(X509V3_F_R2I_PCI,X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED);
+		goto err;
+		}
+	i = OBJ_obj2nid(language);
+	if ((i == NID_Independent || i == NID_id_ppl_inheritAll) && policy)
+		{
+		X509V3err(X509V3_F_R2I_PCI,X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY);
+		goto err;
+		}
+
+	pci = PROXY_CERT_INFO_EXTENSION_new();
+	if (!pci)
+		{
+		X509V3err(X509V3_F_R2I_PCI,ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+
+	pci->proxyPolicy->policyLanguage = language; language = NULL;
+	pci->proxyPolicy->policy = policy; policy = NULL;
+	pci->pcPathLengthConstraint = pathlen; pathlen = NULL;
+	goto end;
+err:
+	if (language) { ASN1_OBJECT_free(language); language = NULL; }
+	if (pathlen) { ASN1_INTEGER_free(pathlen); pathlen = NULL; }
+	if (policy) { ASN1_OCTET_STRING_free(policy); policy = NULL; }
+	if (pci) { PROXY_CERT_INFO_EXTENSION_free(pci); pci = NULL; }
+end:
+	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
+	return pci;
+	}