[thirdparty/openssl.git] / crypto / x509 / by_dir.c

/* 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.]
 */

#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>

#ifdef _WIN32
#define stat	_stat
#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);
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 */
	};

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_w_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_w_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);
	}
Commit	Line	Data
d02b48c6	1	/* crypto/x509/by_dir.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	#include <stdio.h>
	60	#include <time.h>
	61	#include <errno.h>
d02b48c6 RE	62
d02b48c6 RE	63	#include "cryptlib.h"
17f389bb AP	64
	65	#ifndef NO_SYS_TYPES_H
	66	# include <sys/types.h>
	67	#endif
	68	#ifdef MAC_OS_pre_X
	69	# include <stat.h>
	70	#else
	71	# include <sys/stat.h>
	72	#endif
	73
ec577822 BM	74	#include <openssl/lhash.h>
ec577822 BM	75	#include <openssl/x509.h>
d02b48c6	76
f17c4561 AP	77	#ifdef _WIN32
	78	#define stat _stat
	79	#endif
	80
d02b48c6 RE	81	typedef struct lookup_dir_st
	82	{
	83	BUF_MEM *buffer;
	84	int num_dirs;
	85	char **dirs;
	86	int *dirs_type;
	87	int num_dirs_alloced;
	88	} BY_DIR;
	89
303c0028 BM	90	static int dir_ctrl(X509_LOOKUP ctx, int cmd, const char argp, long argl,
303c0028 BM	91	char **ret);
d02b48c6 RE	92	static int new_dir(X509_LOOKUP *lu);
d02b48c6 RE	93	static void free_dir(X509_LOOKUP *lu);
e778802f	94	static int add_cert_dir(BY_DIR ctx,const char dir,int type);
d02b48c6 RE	95	static int get_cert_by_subject(X509_LOOKUP xl,int type,X509_NAME name,
d02b48c6 RE	96	X509_OBJECT *ret);
d02b48c6 RE	97	X509_LOOKUP_METHOD x509_dir_lookup=
	98	{
	99	"Load certs from files in a directory",
	100	new_dir, /* new */
	101	free_dir, /* free */
	102	NULL, /* init */
	103	NULL, /* shutdown */
	104	dir_ctrl, /* ctrl */
	105	get_cert_by_subject, /* get_by_subject */
	106	NULL, /* get_by_issuer_serial */
	107	NULL, /* get_by_fingerprint */
	108	NULL, /* get_by_alias */
	109	};
	110
6b691a5c	111	X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
d02b48c6 RE	112	{
	113	return(&x509_dir_lookup);
	114	}
	115
303c0028	116	static int dir_ctrl(X509_LOOKUP ctx, int cmd, const char argp, long argl,
6b691a5c	117	char **retp)
d02b48c6 RE	118	{
	119	int ret=0;
	120	BY_DIR *ld;
46e7a979	121	char *dir = NULL;
d02b48c6 RE	122
	123	ld=(BY_DIR *)ctx->method_data;
	124
	125	switch (cmd)
	126	{
	127	case X509_L_ADD_DIR:
	128	if (argl == X509_FILETYPE_DEFAULT)
2e396040	129	{
40ba0257 RL	130	dir=(char *)Getenv(X509_get_default_cert_dir_env());
40ba0257 RL	131	if (dir)
2e396040	132	ret=add_cert_dir(ld,dir,X509_FILETYPE_PEM);
40ba0257	133	else
2e396040 AP	134	ret=add_cert_dir(ld,X509_get_default_cert_dir(),
2e396040 AP	135	X509_FILETYPE_PEM);
d02b48c6 RE	136	if (!ret)
	137	{
	138	X509err(X509_F_DIR_CTRL,X509_R_LOADING_CERT_DIR);
	139	}
2e396040	140	}
d02b48c6 RE	141	else
	142	ret=add_cert_dir(ld,argp,(int)argl);
	143	break;
	144	}
	145	return(ret);
	146	}
	147
6b691a5c	148	static int new_dir(X509_LOOKUP *lu)
d02b48c6 RE	149	{
	150	BY_DIR *a;
	151
26a3a48d	152	if ((a=(BY_DIR *)OPENSSL_malloc(sizeof(BY_DIR))) == NULL)
d02b48c6 RE	153	return(0);
	154	if ((a->buffer=BUF_MEM_new()) == NULL)
	155	{
26a3a48d	156	OPENSSL_free(a);
d02b48c6 RE	157	return(0);
	158	}
	159	a->num_dirs=0;
	160	a->dirs=NULL;
	161	a->dirs_type=NULL;
	162	a->num_dirs_alloced=0;
	163	lu->method_data=(char *)a;
	164	return(1);
	165	}
	166
6b691a5c	167	static void free_dir(X509_LOOKUP *lu)
d02b48c6 RE	168	{
	169	BY_DIR *a;
	170	int i;
	171
	172	a=(BY_DIR *)lu->method_data;
	173	for (i=0; i<a->num_dirs; i++)
26a3a48d RL	174	if (a->dirs[i] != NULL) OPENSSL_free(a->dirs[i]);
	175	if (a->dirs != NULL) OPENSSL_free(a->dirs);
	176	if (a->dirs_type != NULL) OPENSSL_free(a->dirs_type);
d02b48c6	177	if (a->buffer != NULL) BUF_MEM_free(a->buffer);
26a3a48d	178	OPENSSL_free(a);
d02b48c6 RE	179	}
d02b48c6 RE	180
6b691a5c	181	static int add_cert_dir(BY_DIR ctx, const char dir, int type)
d02b48c6 RE	182	{
	183	int j,len;
	184	int *ip;
e778802f	185	const char s,ss,*p;
d02b48c6 RE	186	char **pp;
d02b48c6 RE	187
2c1ef383 BL	188	if (dir == NULL \|\| !*dir)
	189	{
	190	X509err(X509_F_ADD_CERT_DIR,X509_R_INVALID_DIRECTORY);
	191	return 0;
	192	}
d02b48c6 RE	193
	194	s=dir;
	195	p=s;
66c4bb1a	196	for (;;p++)
d02b48c6 RE	197	{
	198	if ((p == LIST_SEPARATOR_CHAR) \|\| (p == '\0'))
	199	{
	200	ss=s;
	201	s=p+1;
	202	len=(int)(p-ss);
6cda1005	203	if (len == 0) continue;
d02b48c6	204	for (j=0; j<ctx->num_dirs; j++)
d1049ad9	205	if (strlen(ctx->dirs[j]) == (size_t)len &&
66c4bb1a NL	206	strncmp(ctx->dirs[j],ss,(unsigned int)len) == 0)
	207	break;
	208	if (j<ctx->num_dirs)
	209	continue;
d02b48c6 RE	210	if (ctx->num_dirs_alloced < (ctx->num_dirs+1))
	211	{
	212	ctx->num_dirs_alloced+=10;
26a3a48d	213	pp=(char *)OPENSSL_malloc(ctx->num_dirs_alloced
d02b48c6	214	sizeof(char *));
26a3a48d	215	ip=(int )OPENSSL_malloc(ctx->num_dirs_alloced
d02b48c6 RE	216	sizeof(int));
	217	if ((pp == NULL) \|\| (ip == NULL))
	218	{
	219	X509err(X509_F_ADD_CERT_DIR,ERR_R_MALLOC_FAILURE);
	220	return(0);
	221	}
	222	memcpy(pp,ctx->dirs,(ctx->num_dirs_alloced-10)*
	223	sizeof(char *));
	224	memcpy(ip,ctx->dirs_type,(ctx->num_dirs_alloced-10)*
	225	sizeof(int));
	226	if (ctx->dirs != NULL)
26a3a48d	227	OPENSSL_free(ctx->dirs);
d02b48c6	228	if (ctx->dirs_type != NULL)
26a3a48d	229	OPENSSL_free(ctx->dirs_type);
d02b48c6 RE	230	ctx->dirs=pp;
	231	ctx->dirs_type=ip;
	232	}
	233	ctx->dirs_type[ctx->num_dirs]=type;
26a3a48d	234	ctx->dirs[ctx->num_dirs]=(char *)OPENSSL_malloc((unsigned int)len+1);
d02b48c6 RE	235	if (ctx->dirs[ctx->num_dirs] == NULL) return(0);
	236	strncpy(ctx->dirs[ctx->num_dirs],ss,(unsigned int)len);
	237	ctx->dirs[ctx->num_dirs][len]='\0';
	238	ctx->num_dirs++;
	239	}
	240	if (*p == '\0') break;
d02b48c6 RE	241	}
	242	return(1);
	243	}
	244
6b691a5c UM	245	static int get_cert_by_subject(X509_LOOKUP xl, int type, X509_NAME name,
6b691a5c UM	246	X509_OBJECT *ret)
d02b48c6 RE	247	{
d02b48c6 RE	248	BY_DIR *ctx;
58964a49 RE	249	union {
	250	struct {
	251	X509 st_x509;
	252	X509_CINF st_x509_cinf;
	253	} x509;
	254	struct {
	255	X509_CRL st_crl;
	256	X509_CRL_INFO st_crl_info;
	257	} crl;
	258	} data;
d02b48c6 RE	259	int ok=0;
	260	int i,j,k;
	261	unsigned long h;
	262	BUF_MEM *b=NULL;
	263	struct stat st;
	264	X509_OBJECT stmp,*tmp;
e778802f	265	const char *postfix="";
d02b48c6 RE	266
	267	if (name == NULL) return(0);
	268
d02b48c6	269	stmp.type=type;
58964a49 RE	270	if (type == X509_LU_X509)
	271	{
	272	data.x509.st_x509.cert_info= &data.x509.st_x509_cinf;
	273	data.x509.st_x509_cinf.subject=name;
	274	stmp.data.x509= &data.x509.st_x509;
	275	postfix="";
	276	}
	277	else if (type == X509_LU_CRL)
	278	{
	279	data.crl.st_crl.crl= &data.crl.st_crl_info;
	280	data.crl.st_crl_info.issuer=name;
	281	stmp.data.crl= &data.crl.st_crl;
	282	postfix="r";
	283	}
	284	else
	285	{
	286	X509err(X509_F_GET_CERT_BY_SUBJECT,X509_R_WRONG_LOOKUP_TYPE);
	287	goto finish;
	288	}
d02b48c6 RE	289
	290	if ((b=BUF_MEM_new()) == NULL)
	291	{
	292	X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_BUF_LIB);
	293	goto finish;
	294	}
	295
	296	ctx=(BY_DIR *)xl->method_data;
	297
	298	h=X509_NAME_hash(name);
	299	for (i=0; i<ctx->num_dirs; i++)
	300	{
58964a49	301	j=strlen(ctx->dirs[i])+1+8+6+1+1;
d02b48c6 RE	302	if (!BUF_MEM_grow(b,j))
	303	{
	304	X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_MALLOC_FAILURE);
	305	goto finish;
	306	}
	307	k=0;
	308	for (;;)
	309	{
af6dab9b RL	310	char c = '/';
af6dab9b RL	311	#ifdef OPENSSL_SYS_VMS
9d5c3c19	312	c = ctx->dirs[i][strlen(ctx->dirs[i])-1];
af6dab9b RL	313	if (c != ':' && c != '>' && c != ']')
	314	{
	315	/* If no separator is present, we assume the
	316	directory specifier is a logical name, and
	317	add a colon. We really should use better
	318	VMS routines for merging things like this,
	319	but this will do for now...
	320	-- Richard Levitte */
	321	c = ':';
	322	}
	323	else
	324	{
	325	c = '\0';
	326	}
	327	#endif
	328	if (c == '\0')
	329	{
	330	/* This is special. When c == '\0', no
	331	directory separator should be added. */
	332	BIO_snprintf(b->data,b->max,
	333	"%s%08lx.%s%d",ctx->dirs[i],h,
	334	postfix,k);
	335	}
	336	else
	337	{
	338	BIO_snprintf(b->data,b->max,
	339	"%s%c%08lx.%s%d",ctx->dirs[i],c,h,
	340	postfix,k);
	341	}
d02b48c6 RE	342	k++;
	343	if (stat(b->data,&st) < 0)
	344	break;
	345	/* found one. */
58964a49 RE	346	if (type == X509_LU_X509)
	347	{
	348	if ((X509_load_cert_file(xl,b->data,
	349	ctx->dirs_type[i])) == 0)
	350	break;
	351	}
	352	else if (type == X509_LU_CRL)
	353	{
	354	if ((X509_load_crl_file(xl,b->data,
	355	ctx->dirs_type[i])) == 0)
d02b48c6	356	break;
58964a49 RE	357	}
58964a49 RE	358	/* else case will caught higher up */
d02b48c6 RE	359	}
	360
	361	/* we have added it to the cache so now pull
	362	* it out again */
739e0e93	363	CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
2f043896	364	j = sk_X509_OBJECT_find(xl->store_ctx->objs,&stmp);
71d525c9	365	if(j != -1) tmp=sk_X509_OBJECT_value(xl->store_ctx->objs,j);
2f043896	366	else tmp = NULL;
739e0e93	367	CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
d02b48c6 RE	368
	369	if (tmp != NULL)
	370	{
	371	ok=1;
	372	ret->type=tmp->type;
58964a49 RE	373	memcpy(&ret->data,&tmp->data,sizeof(ret->data));
	374	/* If we were going to up the reference count,
	375	* we would need to do it on a perl 'type'
	376	* basis */
d02b48c6 RE	377	/* CRYPTO_add(&tmp->data.x509->references,1,
	378	CRYPTO_LOCK_X509);*/
	379	goto finish;
	380	}
	381	}
	382	finish:
	383	if (b != NULL) BUF_MEM_free(b);
	384	return(ok);
	385	}