* 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:
* 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
+ * 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
* 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
#include <stdio.h>
#include <time.h>
#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
#include "cryptlib.h"
+
+#ifndef NO_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifndef OPENSSL_NO_POSIX_IO
+# include <sys/stat.h>
+#endif
+
#include <openssl/lhash.h>
#include <openssl/x509.h>
-typedef struct lookup_dir_st
- {
- BUF_MEM *buffer;
- int num_dirs;
- char **dirs;
- int *dirs_type;
- int num_dirs_alloced;
- } BY_DIR;
+typedef struct lookup_dir_hashes_st {
+ unsigned long hash;
+ int suffix;
+} BY_DIR_HASH;
+
+typedef struct lookup_dir_entry_st {
+ char *dir;
+ int dir_type;
+ STACK_OF(BY_DIR_HASH) *hashes;
+} BY_DIR_ENTRY;
+
+typedef struct lookup_dir_st {
+ BUF_MEM *buffer;
+ STACK_OF(BY_DIR_ENTRY) *dirs;
+} BY_DIR;
+
+DECLARE_STACK_OF(BY_DIR_HASH)
+DECLARE_STACK_OF(BY_DIR_ENTRY)
static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
- char **ret);
+ 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 */
- };
+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);
- }
+{
+ 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;
-
- ld=(BY_DIR *)ctx->method_data;
-
- switch (cmd)
- {
- case X509_L_ADD_DIR:
- if (argl == X509_FILETYPE_DEFAULT)
- {
- 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
- {
- dir=(char *)Getenv(X509_get_default_cert_dir_env());
- ret=add_cert_dir(ld,dir,X509_FILETYPE_PEM);
- }
- }
- else
- ret=add_cert_dir(ld,argp,(int)argl);
- break;
- }
- return(ret);
- }
+ 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 *)Malloc(sizeof(BY_DIR))) == NULL)
- return(0);
- if ((a->buffer=BUF_MEM_new()) == NULL)
- {
- 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);
- }
+{
+ BY_DIR *a;
+
+ if ((a = OPENSSL_malloc(sizeof(BY_DIR))) == NULL)
+ return (0);
+ if ((a->buffer = BUF_MEM_new()) == NULL) {
+ OPENSSL_free(a);
+ return (0);
+ }
+ a->dirs = NULL;
+ lu->method_data = (char *)a;
+ return (1);
+}
+
+static void by_dir_hash_free(BY_DIR_HASH *hash)
+{
+ OPENSSL_free(hash);
+}
+
+static int by_dir_hash_cmp(const BY_DIR_HASH *const *a,
+ const BY_DIR_HASH *const *b)
+{
+ if ((*a)->hash > (*b)->hash)
+ return 1;
+ if ((*a)->hash < (*b)->hash)
+ return -1;
+ return 0;
+}
+
+static void by_dir_entry_free(BY_DIR_ENTRY *ent)
+{
+ if (ent->dir)
+ OPENSSL_free(ent->dir);
+ if (ent->hashes)
+ sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free);
+ OPENSSL_free(ent);
+}
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) Free(a->dirs[i]);
- if (a->dirs != NULL) Free(a->dirs);
- if (a->dirs_type != NULL) Free(a->dirs_type);
- if (a->buffer != NULL) BUF_MEM_free(a->buffer);
- Free(a);
- }
+{
+ BY_DIR *a;
+
+ a = (BY_DIR *)lu->method_data;
+ if (a->dirs != NULL)
+ sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
+ 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 (;;)
- {
- 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 (strncmp(ctx->dirs[j],ss,(unsigned int)len) == 0)
- continue;
- if (ctx->num_dirs_alloced < (ctx->num_dirs+1))
- {
- ctx->num_dirs_alloced+=10;
- pp=(char **)Malloc(ctx->num_dirs_alloced*
- sizeof(char *));
- ip=(int *)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)
- Free((char *)ctx->dirs);
- if (ctx->dirs_type != NULL)
- Free((char *)ctx->dirs_type);
- ctx->dirs=pp;
- ctx->dirs_type=ip;
- }
- ctx->dirs_type[ctx->num_dirs]=type;
- ctx->dirs[ctx->num_dirs]=(char *)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;
- p++;
- }
- return(1);
- }
+{
+ int j, len;
+ const char *s, *ss, *p;
+
+ if (dir == NULL || !*dir) {
+ X509err(X509_F_ADD_CERT_DIR, X509_R_INVALID_DIRECTORY);
+ return 0;
+ }
+
+ s = dir;
+ p = s;
+ do {
+ if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0')) {
+ BY_DIR_ENTRY *ent;
+ ss = s;
+ s = p + 1;
+ len = (int)(p - ss);
+ if (len == 0)
+ continue;
+ for (j = 0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) {
+ ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j);
+ if (strlen(ent->dir) == (size_t)len &&
+ strncmp(ent->dir, ss, (unsigned int)len) == 0)
+ break;
+ }
+ if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
+ continue;
+ if (ctx->dirs == NULL) {
+ ctx->dirs = sk_BY_DIR_ENTRY_new_null();
+ if (!ctx->dirs) {
+ X509err(X509_F_ADD_CERT_DIR, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ }
+ ent = OPENSSL_malloc(sizeof(BY_DIR_ENTRY));
+ if (!ent)
+ return 0;
+ ent->dir_type = type;
+ ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
+ ent->dir = OPENSSL_malloc((unsigned int)len + 1);
+ if (!ent->dir || !ent->hashes) {
+ by_dir_entry_free(ent);
+ return 0;
+ }
+ strncpy(ent->dir, ss, (unsigned int)len);
+ ent->dir[len] = '\0';
+ if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) {
+ by_dir_entry_free(ent);
+ return 0;
+ }
+ }
+ } while (*p++ != '\0');
+ 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 (;;)
- {
- sprintf(b->data,"%s/%08lx.%s%d",ctx->dirs[i],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);
- tmp=(X509_OBJECT *)lh_retrieve(xl->store_ctx->certs,
- (char *)&stmp);
- 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);
- }
+ 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;
+ 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 < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) {
+ BY_DIR_ENTRY *ent;
+ int idx;
+ BY_DIR_HASH htmp, *hent;
+ ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
+ j = strlen(ent->dir) + 1 + 8 + 6 + 1 + 1;
+ if (!BUF_MEM_grow(b, j)) {
+ X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
+ goto finish;
+ }
+ if (type == X509_LU_CRL && ent->hashes) {
+ htmp.hash = h;
+ CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
+ idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
+ if (idx >= 0) {
+ hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
+ k = hent->suffix;
+ } else {
+ hent = NULL;
+ k = 0;
+ }
+ CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
+ } else {
+ k = 0;
+ hent = NULL;
+ }
+ for (;;) {
+ char c = '/';
+#ifdef OPENSSL_SYS_VMS
+ c = ent->dir[strlen(ent->dir) - 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", ent->dir, h, postfix, k);
+ } else {
+ BIO_snprintf(b->data, b->max,
+ "%s%c%08lx.%s%d", ent->dir, c, h, postfix, k);
+ }
+#ifndef OPENSSL_NO_POSIX_IO
+# ifdef _WIN32
+# define stat _stat
+# endif
+ {
+ struct stat st;
+ if (stat(b->data, &st) < 0)
+ break;
+ }
+#endif
+ /* found one. */
+ if (type == X509_LU_X509) {
+ if ((X509_load_cert_file(xl, b->data, ent->dir_type)) == 0)
+ break;
+ } else if (type == X509_LU_CRL) {
+ if ((X509_load_crl_file(xl, b->data, ent->dir_type)) == 0)
+ break;
+ }
+ /* else case will caught higher up */
+ k++;
+ }
+
+ /*
+ * 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 a CRL, update the last file suffix added for this */
+
+ if (type == X509_LU_CRL) {
+ CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
+ /*
+ * Look for entry again in case another thread added an entry
+ * first.
+ */
+ if (!hent) {
+ htmp.hash = h;
+ idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
+ if (idx >= 0)
+ hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
+ }
+ if (!hent) {
+ hent = OPENSSL_malloc(sizeof(BY_DIR_HASH));
+ if (hent == NULL) {
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
+ X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
+ ok = 0;
+ goto finish;
+ }
+ hent->hash = h;
+ hent->suffix = k;
+ if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) {
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
+ OPENSSL_free(hent);
+ ok = 0;
+ goto finish;
+ }
+ } else if (hent->suffix < k)
+ hent->suffix = k;
+
+ 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);
+}
projects / openssl.git / blobdiff