--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/x509/by_dir.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,408 @@
+/* crypto/x509/by_dir.c */
+/* 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.]
+ */
+ /*
+ © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
+ */
+
+#include <stdio.h>
+#include <time.h>
+#include <errno.h>
+
+#include "cryptlib.h"
+
+#ifndef NO_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef MAC_OS_pre_X
+# include <stat.h>
+#else
+# include <sys/stat.h>
+#endif
+
+#include <openssl/lhash.h>
+#include <openssl/x509.h>
+#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
+#include "libcrypto_wsd_macros.h"
+#include "libcrypto_wsd.h"
+#endif
+
+
+typedef struct lookup_dir_st
+	{
+	BUF_MEM *buffer;
+	int num_dirs;
+	char **dirs;
+	int *dirs_type;
+	int num_dirs_alloced;
+	} BY_DIR;
+
+static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
+	char **ret);
+static int new_dir(X509_LOOKUP *lu);
+static void free_dir(X509_LOOKUP *lu);
+static int add_cert_dir(BY_DIR *ctx,const char *dir,int type);
+static int get_cert_by_subject(X509_LOOKUP *xl,int type,X509_NAME *name,
+	X509_OBJECT *ret);
+#ifndef EMULATOR	
+X509_LOOKUP_METHOD x509_dir_lookup=
+	{
+	"Load certs from files in a directory",
+	new_dir,		/* new */
+	free_dir,		/* free */
+	NULL, 			/* init */
+	NULL,			/* shutdown */
+	dir_ctrl,		/* ctrl */
+	get_cert_by_subject,	/* get_by_subject */
+	NULL,			/* get_by_issuer_serial */
+	NULL,			/* get_by_fingerprint */
+	NULL,			/* get_by_alias */
+	};
+#else
+GET_GLOBAL_VAR_FROM_TLS(x509_dir_lookup,by_dir,X509_LOOKUP_METHOD)
+#define x509_dir_lookup (*GET_WSD_VAR_NAME(x509_dir_lookup,by_dir, g)())
+const X509_LOOKUP_METHOD temp_g_x509_dir_lookup=
+	{
+	"Load certs from files in a directory",
+	new_dir,		/* new */
+	free_dir,		/* free */
+	NULL, 			/* init */
+	NULL,			/* shutdown */
+	dir_ctrl,		/* ctrl */
+	get_cert_by_subject,	/* get_by_subject */
+	NULL,			/* get_by_issuer_serial */
+	NULL,			/* get_by_fingerprint */
+	NULL,			/* get_by_alias */
+	};
+#endif	
+
+EXPORT_C X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
+	{
+	return(&x509_dir_lookup);
+	}
+
+static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
+	     char **retp)
+	{
+	int ret=0;
+	BY_DIR *ld;
+	char *dir = NULL;
+
+	ld=(BY_DIR *)ctx->method_data;
+
+	switch (cmd)
+		{
+	case X509_L_ADD_DIR:
+		if (argl == X509_FILETYPE_DEFAULT)
+			{
+			dir=(char *)Getenv(X509_get_default_cert_dir_env());
+			if (dir)
+				ret=add_cert_dir(ld,dir,X509_FILETYPE_PEM);
+			else
+				ret=add_cert_dir(ld,X509_get_default_cert_dir(),
+					X509_FILETYPE_PEM);
+			if (!ret)
+				{
+				X509err(X509_F_DIR_CTRL,X509_R_LOADING_CERT_DIR);
+				}
+			}
+		else
+			ret=add_cert_dir(ld,argp,(int)argl);
+		break;
+		}
+	return(ret);
+	}
+
+static int new_dir(X509_LOOKUP *lu)
+	{
+	BY_DIR *a;
+
+	if ((a=(BY_DIR *)OPENSSL_malloc(sizeof(BY_DIR))) == NULL)
+		return(0);
+	if ((a->buffer=BUF_MEM_new()) == NULL)
+		{
+		OPENSSL_free(a);
+		return(0);
+		}
+	a->num_dirs=0;
+	a->dirs=NULL;
+	a->dirs_type=NULL;
+	a->num_dirs_alloced=0;
+	lu->method_data=(char *)a;
+	return(1);
+	}
+
+static void free_dir(X509_LOOKUP *lu)
+	{
+	BY_DIR *a;
+	int i;
+
+	a=(BY_DIR *)lu->method_data;
+	for (i=0; i<a->num_dirs; i++)
+		if (a->dirs[i] != NULL) OPENSSL_free(a->dirs[i]);
+	if (a->dirs != NULL) OPENSSL_free(a->dirs);
+	if (a->dirs_type != NULL) OPENSSL_free(a->dirs_type);
+	if (a->buffer != NULL) BUF_MEM_free(a->buffer);
+	OPENSSL_free(a);
+	}
+
+static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
+	{
+	int j,len;
+	int *ip;
+	const char *s,*ss,*p;
+	char **pp;
+
+	if (dir == NULL || !*dir)
+	    {
+	    X509err(X509_F_ADD_CERT_DIR,X509_R_INVALID_DIRECTORY);
+	    return 0;
+	    }
+
+	s=dir;
+	p=s;
+	for (;;p++)
+		{
+		if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0'))
+			{
+			ss=s;
+			s=p+1;
+			len=(int)(p-ss);
+			if (len == 0) continue;
+			for (j=0; j<ctx->num_dirs; j++)
+				if (strlen(ctx->dirs[j]) == (size_t)len &&
+				    strncmp(ctx->dirs[j],ss,(unsigned int)len) == 0)
+					break;
+			if (j<ctx->num_dirs)
+					continue;
+			if (ctx->num_dirs_alloced < (ctx->num_dirs+1))
+				{
+				ctx->num_dirs_alloced+=10;
+				pp=(char **)OPENSSL_malloc(ctx->num_dirs_alloced*
+					sizeof(char *));
+				ip=(int *)OPENSSL_malloc(ctx->num_dirs_alloced*
+					sizeof(int));
+				if ((pp == NULL) || (ip == NULL))
+					{
+					X509err(X509_F_ADD_CERT_DIR,ERR_R_MALLOC_FAILURE);
+					return(0);
+					}
+				memcpy(pp,ctx->dirs,(ctx->num_dirs_alloced-10)*
+					sizeof(char *));
+				memcpy(ip,ctx->dirs_type,(ctx->num_dirs_alloced-10)*
+					sizeof(int));
+				if (ctx->dirs != NULL)
+					OPENSSL_free(ctx->dirs);
+				if (ctx->dirs_type != NULL)
+					OPENSSL_free(ctx->dirs_type);
+				ctx->dirs=pp;
+				ctx->dirs_type=ip;
+				}
+			ctx->dirs_type[ctx->num_dirs]=type;
+			ctx->dirs[ctx->num_dirs]=(char *)OPENSSL_malloc((unsigned int)len+1);
+			if (ctx->dirs[ctx->num_dirs] == NULL) return(0);
+			strncpy(ctx->dirs[ctx->num_dirs],ss,(unsigned int)len);
+			ctx->dirs[ctx->num_dirs][len]='\0';
+			ctx->num_dirs++;
+			}
+		if (*p == '\0') break;
+		}
+	return(1);
+	}
+
+static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
+	     X509_OBJECT *ret)
+	{
+	BY_DIR *ctx;
+	union	{
+		struct	{
+			X509 st_x509;
+			X509_CINF st_x509_cinf;
+			} x509;
+		struct	{
+			X509_CRL st_crl;
+			X509_CRL_INFO st_crl_info;
+			} crl;
+		} data;
+	int ok=0;
+	int i,j,k;
+	unsigned long h;
+	BUF_MEM *b=NULL;
+	struct stat st;
+	X509_OBJECT stmp,*tmp;
+	const char *postfix="";
+
+	if (name == NULL) return(0);
+
+	stmp.type=type;
+	if (type == X509_LU_X509)
+		{
+		data.x509.st_x509.cert_info= &data.x509.st_x509_cinf;
+		data.x509.st_x509_cinf.subject=name;
+		stmp.data.x509= &data.x509.st_x509;
+		postfix="";
+		}
+	else if (type == X509_LU_CRL)
+		{
+		data.crl.st_crl.crl= &data.crl.st_crl_info;
+		data.crl.st_crl_info.issuer=name;
+		stmp.data.crl= &data.crl.st_crl;
+		postfix="r";
+		}
+	else
+		{
+		X509err(X509_F_GET_CERT_BY_SUBJECT,X509_R_WRONG_LOOKUP_TYPE);
+		goto finish;
+		}
+
+	if ((b=BUF_MEM_new()) == NULL)
+		{
+		X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_BUF_LIB);
+		goto finish;
+		}
+	
+	ctx=(BY_DIR *)xl->method_data;
+
+	h=X509_NAME_hash(name);
+	for (i=0; i<ctx->num_dirs; i++)
+		{
+		j=strlen(ctx->dirs[i])+1+8+6+1+1;
+		if (!BUF_MEM_grow(b,j))
+			{
+			X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_MALLOC_FAILURE);
+			goto finish;
+			}
+		k=0;
+		for (;;)
+			{
+			char c = '/';
+#ifdef OPENSSL_SYS_VMS
+			c = ctx->dirs[i][strlen(ctx->dirs[i])-1];
+			if (c != ':' && c != '>' && c != ']')
+				{
+				/* If no separator is present, we assume the
+				   directory specifier is a logical name, and
+				   add a colon.  We really should use better
+				   VMS routines for merging things like this,
+				   but this will do for now...
+				   -- Richard Levitte */
+				c = ':';
+				}
+			else
+				{
+				c = '\0';
+				}
+#endif
+			if (c == '\0')
+				{
+				/* This is special.  When c == '\0', no
+				   directory separator should be added. */
+				BIO_snprintf(b->data,b->max,
+					"%s%08lx.%s%d",ctx->dirs[i],h,
+					postfix,k);
+				}
+			else
+				{
+				BIO_snprintf(b->data,b->max,
+					"%s%c%08lx.%s%d",ctx->dirs[i],c,h,
+					postfix,k);
+				}
+			k++;
+			if (stat(b->data,&st) < 0)
+				break;
+			/* found one. */
+			if (type == X509_LU_X509)
+				{
+				if ((X509_load_cert_file(xl,b->data,
+					ctx->dirs_type[i])) == 0)
+					break;
+				}
+			else if (type == X509_LU_CRL)
+				{
+				if ((X509_load_crl_file(xl,b->data,
+					ctx->dirs_type[i])) == 0)
+					break;
+				}
+			/* else case will caught higher up */
+			}
+
+		/* we have added it to the cache so now pull
+		 * it out again */
+		CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
+		j = sk_X509_OBJECT_find(xl->store_ctx->objs,&stmp);
+		if(j != -1) tmp=sk_X509_OBJECT_value(xl->store_ctx->objs,j);
+		else tmp = NULL;
+		CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
+
+		if (tmp != NULL)
+			{
+			ok=1;
+			ret->type=tmp->type;
+			memcpy(&ret->data,&tmp->data,sizeof(ret->data));
+			/* If we were going to up the reference count,
+			 * we would need to do it on a perl 'type'
+			 * basis */
+	/*		CRYPTO_add(&tmp->data.x509->references,1,
+				CRYPTO_LOCK_X509);*/
+			goto finish;
+			}
+		}
+finish:
+	if (b != NULL) BUF_MEM_free(b);
+	return(ok);
+	}
+