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Diffstat (limited to 'openssl/crypto/x509/by_dir.c')
-rw-r--r--openssl/crypto/x509/by_dir.c386
1 files changed, 386 insertions, 0 deletions
diff --git a/openssl/crypto/x509/by_dir.c b/openssl/crypto/x509/by_dir.c
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index 000000000..341e0ba6a
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+++ b/openssl/crypto/x509/by_dir.c
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+/* 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_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);
+ }
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 22:01:54 +0000