/*
- * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* https://www.openssl.org/source/license.html
*/
+#include "e_os.h"
#include <string.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <assert.h>
#include <openssl/bio.h>
#include <openssl/dsa.h> /* For d2i_DSAPrivateKey */
#include <openssl/ui.h>
#include <openssl/x509.h> /* For the PKCS8 stuff o.O */
#include "internal/asn1_int.h"
+#include "internal/ctype.h"
+#include "internal/o_dir.h"
+#include "internal/cryptlib.h"
+#include "internal/store_int.h"
#include "store_locl.h"
-#include "e_os.h"
+#ifdef _WIN32
+# define stat _stat
+#endif
-/*
+/*-
* Password prompting
+ * ------------------
*/
static char *file_get_pass(const UI_METHOD *ui_method, char *pass,
void *data;
const char *prompt_info;
};
+
static int file_fill_pem_pass_data(struct pem_pass_data *pass_data,
const char *prompt_info,
const UI_METHOD *ui_method, void *ui_data)
pass_data->prompt_info = prompt_info;
return 1;
}
+
+/* This is used anywhere a pem_password_cb is needed */
static int file_get_pem_pass(char *buf, int num, int w, void *data)
{
struct pem_pass_data *pass_data = data;
return pass == NULL ? 0 : strlen(pass);
}
-/*
- * The file scheme handlers
+/*-
+ * The file scheme decoders
+ * ------------------------
+ *
+ * Each possible data type has its own decoder, which either operates
+ * through a given PEM name, or attempts to decode to see if the blob
+ * it's given is decodable for its data type. The assumption is that
+ * only the correct data type will match the content.
*/
/*-
* THE HANDLER'S RESPONSIBILITY TO CREATE AND DESTROY
* THIS CONTEXT APPROPRIATELY, i.e. create on first call
* and destroy when about to return NULL.
+ * matchcount: A pointer to an int to count matches for this data.
+ * Usually becomes 0 (no match) or 1 (match!), but may
+ * be higher in the (unlikely) event that the data matches
+ * more than one possibility. The int will always be
+ * zero when the function is called.
* ui_method: Application UI method for getting a password, pin
* or any other interactive data.
* ui_data: Application data to be passed to ui_method when
const char *pem_header,
const unsigned char *blob,
size_t len, void **handler_ctx,
+ int *matchcount,
const UI_METHOD *ui_method,
void *ui_data);
/*
int repeatable;
} FILE_HANDLER;
+/*
+ * PKCS#12 decoder. It operates by decoding all of the blob content,
+ * extracting all the interesting data from it and storing them internally,
+ * then serving them one piece at a time.
+ */
+static OSSL_STORE_INFO *try_decode_PKCS12(const char *pem_name,
+ const char *pem_header,
+ const unsigned char *blob,
+ size_t len, void **pctx,
+ int *matchcount,
+ const UI_METHOD *ui_method,
+ void *ui_data)
+{
+ OSSL_STORE_INFO *store_info = NULL;
+ STACK_OF(OSSL_STORE_INFO) *ctx = *pctx;
+
+ if (ctx == NULL) {
+ /* Initial parsing */
+ PKCS12 *p12;
+ int ok = 0;
+
+ if (pem_name != NULL)
+ /* No match, there is no PEM PKCS12 tag */
+ return NULL;
+
+ if ((p12 = d2i_PKCS12(NULL, &blob, len)) != NULL) {
+ char *pass = NULL;
+ char tpass[PEM_BUFSIZE];
+ EVP_PKEY *pkey = NULL;
+ X509 *cert = NULL;
+ STACK_OF(X509) *chain = NULL;
+
+ *matchcount = 1;
+
+ if (PKCS12_verify_mac(p12, "", 0)
+ || PKCS12_verify_mac(p12, NULL, 0)) {
+ pass = "";
+ } else {
+ if ((pass = file_get_pass(ui_method, tpass, PEM_BUFSIZE,
+ "PKCS12 import password",
+ ui_data)) == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PKCS12,
+ OSSL_STORE_R_PASSPHRASE_CALLBACK_ERROR);
+ goto p12_end;
+ }
+ if (!PKCS12_verify_mac(p12, pass, strlen(pass))) {
+ OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PKCS12,
+ OSSL_STORE_R_ERROR_VERIFYING_PKCS12_MAC);
+ goto p12_end;
+ }
+ }
+
+ if (PKCS12_parse(p12, pass, &pkey, &cert, &chain)) {
+ OSSL_STORE_INFO *osi_pkey = NULL;
+ OSSL_STORE_INFO *osi_cert = NULL;
+ OSSL_STORE_INFO *osi_ca = NULL;
+
+ if ((ctx = sk_OSSL_STORE_INFO_new_null()) != NULL
+ && (osi_pkey = OSSL_STORE_INFO_new_PKEY(pkey)) != NULL
+ && sk_OSSL_STORE_INFO_push(ctx, osi_pkey) != 0
+ && (osi_cert = OSSL_STORE_INFO_new_CERT(cert)) != NULL
+ && sk_OSSL_STORE_INFO_push(ctx, osi_cert) != 0) {
+ ok = 1;
+ osi_pkey = NULL;
+ osi_cert = NULL;
+
+ while(sk_X509_num(chain) > 0) {
+ X509 *ca = sk_X509_value(chain, 0);
+
+ if ((osi_ca = OSSL_STORE_INFO_new_CERT(ca)) == NULL
+ || sk_OSSL_STORE_INFO_push(ctx, osi_ca) == 0) {
+ ok = 0;
+ break;
+ }
+ osi_ca = NULL;
+ (void)sk_X509_shift(chain);
+ }
+ }
+ if (!ok) {
+ OSSL_STORE_INFO_free(osi_ca);
+ OSSL_STORE_INFO_free(osi_cert);
+ OSSL_STORE_INFO_free(osi_pkey);
+ sk_OSSL_STORE_INFO_pop_free(ctx, OSSL_STORE_INFO_free);
+ EVP_PKEY_free(pkey);
+ X509_free(cert);
+ sk_X509_pop_free(chain, X509_free);
+ ctx = NULL;
+ }
+ *pctx = ctx;
+ }
+ }
+ p12_end:
+ PKCS12_free(p12);
+ if (!ok)
+ return NULL;
+ }
+
+ if (ctx != NULL) {
+ *matchcount = 1;
+ store_info = sk_OSSL_STORE_INFO_shift(ctx);
+ }
+
+ return store_info;
+}
+
+static int eof_PKCS12(void *ctx_)
+{
+ STACK_OF(OSSL_STORE_INFO) *ctx = ctx_;
+
+ return ctx == NULL || sk_OSSL_STORE_INFO_num(ctx) == 0;
+}
+
+static void destroy_ctx_PKCS12(void **pctx)
+{
+ STACK_OF(OSSL_STORE_INFO) *ctx = *pctx;
+
+ sk_OSSL_STORE_INFO_pop_free(ctx, OSSL_STORE_INFO_free);
+ *pctx = NULL;
+}
+
+static FILE_HANDLER PKCS12_handler = {
+ "PKCS12",
+ try_decode_PKCS12,
+ eof_PKCS12,
+ destroy_ctx_PKCS12,
+ 1 /* repeatable */
+};
+
+/*
+ * Encrypted PKCS#8 decoder. It operates by just decrypting the given blob
+ * into a new blob, which is returned as an EMBEDDED STORE_INFO. The whole
+ * decoding process will then start over with the new blob.
+ */
+static OSSL_STORE_INFO *try_decode_PKCS8Encrypted(const char *pem_name,
+ const char *pem_header,
+ const unsigned char *blob,
+ size_t len, void **pctx,
+ int *matchcount,
+ const UI_METHOD *ui_method,
+ void *ui_data)
+{
+ X509_SIG *p8 = NULL;
+ char kbuf[PEM_BUFSIZE];
+ char *pass = NULL;
+ const X509_ALGOR *dalg = NULL;
+ const ASN1_OCTET_STRING *doct = NULL;
+ OSSL_STORE_INFO *store_info = NULL;
+ BUF_MEM *mem = NULL;
+ unsigned char *new_data = NULL;
+ int new_data_len;
+
+ if (pem_name != NULL) {
+ if (strcmp(pem_name, PEM_STRING_PKCS8) != 0)
+ return NULL;
+ *matchcount = 1;
+ }
+
+ if ((p8 = d2i_X509_SIG(NULL, &blob, len)) == NULL)
+ return NULL;
+
+ *matchcount = 1;
+
+ if ((mem = BUF_MEM_new()) == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PKCS8ENCRYPTED,
+ ERR_R_MALLOC_FAILURE);
+ goto nop8;
+ }
+
+ if ((pass = file_get_pass(ui_method, kbuf, PEM_BUFSIZE,
+ "PKCS8 decrypt password", ui_data)) == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PKCS8ENCRYPTED,
+ OSSL_STORE_R_BAD_PASSWORD_READ);
+ goto nop8;
+ }
+
+ X509_SIG_get0(p8, &dalg, &doct);
+ if (!PKCS12_pbe_crypt(dalg, pass, strlen(pass), doct->data, doct->length,
+ &new_data, &new_data_len, 0))
+ goto nop8;
+
+ mem->data = (char *)new_data;
+ mem->max = mem->length = (size_t)new_data_len;
+ X509_SIG_free(p8);
+
+ store_info = ossl_store_info_new_EMBEDDED(PEM_STRING_PKCS8INF, mem);
+ if (store_info == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PKCS8ENCRYPTED,
+ ERR_R_MALLOC_FAILURE);
+ goto nop8;
+ }
+
+ return store_info;
+ nop8:
+ X509_SIG_free(p8);
+ BUF_MEM_free(mem);
+ return NULL;
+}
+
+static FILE_HANDLER PKCS8Encrypted_handler = {
+ "PKCS8Encrypted",
+ try_decode_PKCS8Encrypted
+};
+
+/*
+ * Private key decoder. Decodes all sorts of private keys, both PKCS#8
+ * encoded ones and old style PEM ones (with the key type is encoded into
+ * the PEM name).
+ */
int pem_check_suffix(const char *pem_str, const char *suffix);
static OSSL_STORE_INFO *try_decode_PrivateKey(const char *pem_name,
const char *pem_header,
const unsigned char *blob,
size_t len, void **pctx,
+ int *matchcount,
const UI_METHOD *ui_method,
void *ui_data)
{
const EVP_PKEY_ASN1_METHOD *ameth = NULL;
if (pem_name != NULL) {
- int slen;
+ if (strcmp(pem_name, PEM_STRING_PKCS8INF) == 0) {
+ PKCS8_PRIV_KEY_INFO *p8inf =
+ d2i_PKCS8_PRIV_KEY_INFO(NULL, &blob, len);
+
+ *matchcount = 1;
+ if (p8inf != NULL)
+ pkey = EVP_PKCS82PKEY(p8inf);
+ PKCS8_PRIV_KEY_INFO_free(p8inf);
+ } else {
+ int slen;
- if ((slen = pem_check_suffix(pem_name, "PRIVATE KEY")) > 0
- && (ameth = EVP_PKEY_asn1_find_str(NULL, pem_name, slen)) != NULL)
- pkey = d2i_PrivateKey(ameth->pkey_id, NULL, &blob, len);
+ if ((slen = pem_check_suffix(pem_name, "PRIVATE KEY")) > 0
+ && (ameth = EVP_PKEY_asn1_find_str(NULL, pem_name,
+ slen)) != NULL) {
+ *matchcount = 1;
+ pkey = d2i_PrivateKey(ameth->pkey_id, NULL, &blob, len);
+ }
+ }
} else {
int i;
for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
+ EVP_PKEY *tmp_pkey = NULL;
+ const unsigned char *tmp_blob = blob;
+
ameth = EVP_PKEY_asn1_get0(i);
if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
continue;
- pkey = d2i_PrivateKey(ameth->pkey_id, NULL, &blob, len);
- if (pkey != NULL)
- break;
+
+ tmp_pkey = d2i_PrivateKey(ameth->pkey_id, NULL, &tmp_blob, len);
+ if (tmp_pkey != NULL) {
+ if (pkey != NULL)
+ EVP_PKEY_free(tmp_pkey);
+ else
+ pkey = tmp_pkey;
+ (*matchcount)++;
+ }
+ }
+
+ if (*matchcount > 1) {
+ EVP_PKEY_free(pkey);
+ pkey = NULL;
}
}
if (pkey == NULL)
return store_info;
}
+
static FILE_HANDLER PrivateKey_handler = {
"PrivateKey",
try_decode_PrivateKey
};
+/*
+ * Public key decoder. Only supports SubjectPublicKeyInfo formated keys.
+ */
static OSSL_STORE_INFO *try_decode_PUBKEY(const char *pem_name,
const char *pem_header,
const unsigned char *blob,
size_t len, void **pctx,
+ int *matchcount,
const UI_METHOD *ui_method,
void *ui_data)
{
OSSL_STORE_INFO *store_info = NULL;
EVP_PKEY *pkey = NULL;
- if (pem_name != NULL && strcmp(pem_name, PEM_STRING_PUBLIC) != 0)
- /* No match */
- return NULL;
+ if (pem_name != NULL) {
+ if (strcmp(pem_name, PEM_STRING_PUBLIC) != 0)
+ /* No match */
+ return NULL;
+ *matchcount = 1;
+ }
- if ((pkey = d2i_PUBKEY(NULL, &blob, len)) != NULL)
+ if ((pkey = d2i_PUBKEY(NULL, &blob, len)) != NULL) {
+ *matchcount = 1;
store_info = OSSL_STORE_INFO_new_PKEY(pkey);
+ }
return store_info;
}
+
static FILE_HANDLER PUBKEY_handler = {
"PUBKEY",
try_decode_PUBKEY
};
+/*
+ * Key parameter decoder.
+ */
static OSSL_STORE_INFO *try_decode_params(const char *pem_name,
const char *pem_header,
const unsigned char *blob,
size_t len, void **pctx,
+ int *matchcount,
const UI_METHOD *ui_method,
void *ui_data)
{
OSSL_STORE_INFO *store_info = NULL;
- EVP_PKEY *pkey = EVP_PKEY_new();
+ int slen = 0;
+ EVP_PKEY *pkey = NULL;
const EVP_PKEY_ASN1_METHOD *ameth = NULL;
int ok = 0;
- if (pkey == NULL) {
- OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PARAMS, ERR_R_EVP_LIB);
- return NULL;
+ if (pem_name != NULL) {
+ if ((slen = pem_check_suffix(pem_name, "PARAMETERS")) == 0)
+ return NULL;
+ *matchcount = 1;
}
- if (pem_name != NULL) {
- int slen;
+ if (slen > 0) {
+ if ((pkey = EVP_PKEY_new()) == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PARAMS, ERR_R_EVP_LIB);
+ return NULL;
+ }
+
- if ((slen = pem_check_suffix(pem_name, "PARAMETERS")) > 0
- && EVP_PKEY_set_type_str(pkey, pem_name, slen)
+ if (EVP_PKEY_set_type_str(pkey, pem_name, slen)
&& (ameth = EVP_PKEY_get0_asn1(pkey)) != NULL
&& ameth->param_decode != NULL
&& ameth->param_decode(pkey, &blob, len))
ok = 1;
} else {
int i;
+ EVP_PKEY *tmp_pkey = NULL;
for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
+ const unsigned char *tmp_blob = blob;
+
+ if (tmp_pkey == NULL && (tmp_pkey = EVP_PKEY_new()) == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PARAMS, ERR_R_EVP_LIB);
+ break;
+ }
+
ameth = EVP_PKEY_asn1_get0(i);
if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
continue;
- if (EVP_PKEY_set_type(pkey, ameth->pkey_id)
- && (ameth = EVP_PKEY_get0_asn1(pkey)) != NULL
+
+ if (EVP_PKEY_set_type(tmp_pkey, ameth->pkey_id)
+ && (ameth = EVP_PKEY_get0_asn1(tmp_pkey)) != NULL
&& ameth->param_decode != NULL
- && ameth->param_decode(pkey, &blob, len)) {
- ok = 1;
- break;
+ && ameth->param_decode(tmp_pkey, &tmp_blob, len)) {
+ if (pkey != NULL)
+ EVP_PKEY_free(tmp_pkey);
+ else
+ pkey = tmp_pkey;
+ tmp_pkey = NULL;
+ (*matchcount)++;
}
}
+
+ EVP_PKEY_free(tmp_pkey);
+ if (*matchcount == 1) {
+ ok = 1;
+ }
}
if (ok)
return store_info;
}
+
static FILE_HANDLER params_handler = {
"params",
try_decode_params
};
+/*
+ * X.509 certificate decoder.
+ */
static OSSL_STORE_INFO *try_decode_X509Certificate(const char *pem_name,
const char *pem_header,
const unsigned char *blob,
size_t len, void **pctx,
+ int *matchcount,
const UI_METHOD *ui_method,
void *ui_data)
{
&& strcmp(pem_name, PEM_STRING_X509) != 0)
/* No match */
return NULL;
+ *matchcount = 1;
}
if ((cert = d2i_X509_AUX(NULL, &blob, len)) != NULL
- || (ignore_trusted && (cert = d2i_X509(NULL, &blob, len)) != NULL))
+ || (ignore_trusted && (cert = d2i_X509(NULL, &blob, len)) != NULL)) {
+ *matchcount = 1;
store_info = OSSL_STORE_INFO_new_CERT(cert);
+ }
if (store_info == NULL)
X509_free(cert);
return store_info;
}
+
static FILE_HANDLER X509Certificate_handler = {
"X509Certificate",
try_decode_X509Certificate
};
+/*
+ * X.509 CRL decoder.
+ */
static OSSL_STORE_INFO *try_decode_X509CRL(const char *pem_name,
const char *pem_header,
const unsigned char *blob,
size_t len, void **pctx,
+ int *matchcount,
const UI_METHOD *ui_method,
void *ui_data)
{
OSSL_STORE_INFO *store_info = NULL;
X509_CRL *crl = NULL;
- if (pem_name != NULL
- && strcmp(pem_name, PEM_STRING_X509_CRL) != 0)
- /* No match */
- return NULL;
+ if (pem_name != NULL) {
+ if (strcmp(pem_name, PEM_STRING_X509_CRL) != 0)
+ /* No match */
+ return NULL;
+ *matchcount = 1;
+ }
- if ((crl = d2i_X509_CRL(NULL, &blob, len)) != NULL)
+ if ((crl = d2i_X509_CRL(NULL, &blob, len)) != NULL) {
+ *matchcount = 1;
store_info = OSSL_STORE_INFO_new_CRL(crl);
+ }
if (store_info == NULL)
X509_CRL_free(crl);
return store_info;
}
+
static FILE_HANDLER X509CRL_handler = {
"X509CRL",
try_decode_X509CRL
};
+/*
+ * To finish it all off, we collect all the handlers.
+ */
static const FILE_HANDLER *file_handlers[] = {
+ &PKCS12_handler,
+ &PKCS8Encrypted_handler,
&X509Certificate_handler,
&X509CRL_handler,
¶ms_handler,
};
-/*
+/*-
* The loader itself
+ * -----------------
*/
struct ossl_store_loader_ctx_st {
- BIO *file;
- int is_pem;
+ enum {
+ is_raw = 0,
+ is_pem,
+ is_dir
+ } type;
int errcnt;
+#define FILE_FLAG_SECMEM (1<<0)
+ unsigned int flags;
+ union {
+ struct { /* Used with is_raw and is_pem */
+ BIO *file;
+
+ /*
+ * The following are used when the handler is marked as
+ * repeatable
+ */
+ const FILE_HANDLER *last_handler;
+ void *last_handler_ctx;
+ } file;
+ struct { /* Used with is_dir */
+ OPENSSL_DIR_CTX *ctx;
+ int end_reached;
+ char *uri;
+
+ /*
+ * When a search expression is given, these are filled in.
+ * |search_name| contains the file basename to look for.
+ * The string is exactly 8 characters long.
+ */
+ char search_name[9];
+
+ /*
+ * The directory reading utility we have combines opening with
+ * reading the first name. To make sure we can detect the end
+ * at the right time, we read early and cache the name.
+ */
+ const char *last_entry;
+ int last_errno;
+ } dir;
+ } _;
- /* The following are used when the handler is marked as repeatable */
- const FILE_HANDLER *last_handler;
- void *last_handler_ctx;
+ /* Expected object type. May be unspecified */
+ int expected_type;
};
+static void OSSL_STORE_LOADER_CTX_free(OSSL_STORE_LOADER_CTX *ctx)
+{
+ if (ctx->type == is_dir) {
+ OPENSSL_free(ctx->_.dir.uri);
+ } else {
+ if (ctx->_.file.last_handler != NULL) {
+ ctx->_.file.last_handler->destroy_ctx(&ctx->_.file.last_handler_ctx);
+ ctx->_.file.last_handler_ctx = NULL;
+ ctx->_.file.last_handler = NULL;
+ }
+ }
+ OPENSSL_free(ctx);
+}
+
static OSSL_STORE_LOADER_CTX *file_open(const OSSL_STORE_LOADER *loader,
const char *uri,
const UI_METHOD *ui_method,
void *ui_data)
{
- BIO *buff = NULL;
- char peekbuf[4096];
OSSL_STORE_LOADER_CTX *ctx = NULL;
- const char *path = NULL;
+ struct stat st;
+ struct {
+ const char *path;
+ unsigned int check_absolute:1;
+ } path_data[2];
+ size_t path_data_n = 0, i;
+ const char *path;
+
+ /*
+ * First step, just take the URI as is.
+ */
+ path_data[path_data_n].check_absolute = 0;
+ path_data[path_data_n++].path = uri;
+ /*
+ * Second step, if the URI appears to start with the 'file' scheme,
+ * extract the path and make that the second path to check.
+ * There's a special case if the URI also contains an authority, then
+ * the full URI shouldn't be used as a path anywhere.
+ */
if (strncasecmp(uri, "file:", 5) == 0) {
- if (strncmp(&uri[5], "//localhost/", 12) == 0) {
- path = &uri[16];
- } else if (strncmp(&uri[5], "///", 3) == 0) {
- path = &uri[7];
- } else if (strncmp(&uri[5], "//", 2) != 0) {
- path = &uri[5];
- } else {
- OSSL_STOREerr(OSSL_STORE_F_FILE_OPEN,
- OSSL_STORE_R_URI_AUTHORITY_UNSUPPORED);
- return NULL;
+ const char *p = &uri[5];
+
+ if (strncmp(&uri[5], "//", 2) == 0) {
+ path_data_n--; /* Invalidate using the full URI */
+ if (strncasecmp(&uri[7], "localhost/", 10) == 0) {
+ p = &uri[16];
+ } else if (uri[7] == '/') {
+ p = &uri[7];
+ } else {
+ OSSL_STOREerr(OSSL_STORE_F_FILE_OPEN,
+ OSSL_STORE_R_URI_AUTHORITY_UNSUPPORTED);
+ return NULL;
+ }
+ }
+
+ path_data[path_data_n].check_absolute = 1;
+#ifdef _WIN32
+ /* Windows file: URIs with a drive letter start with a / */
+ if (p[0] == '/' && p[2] == ':' && p[3] == '/') {
+ char c = ossl_tolower(p[1]);
+
+ if (c >= 'a' && c <= 'z') {
+ p++;
+ /* We know it's absolute, so no need to check */
+ path_data[path_data_n].check_absolute = 0;
+ }
}
+#endif
+ path_data[path_data_n++].path = p;
+ }
+
+ for (i = 0, path = NULL; path == NULL && i < path_data_n; i++) {
/*
* If the scheme "file" was an explicit part of the URI, the path must
* be absolute. So says RFC 8089
*/
- if (path[0] != '/') {
+ if (path_data[i].check_absolute && path_data[i].path[0] != '/') {
OSSL_STOREerr(OSSL_STORE_F_FILE_OPEN,
OSSL_STORE_R_PATH_MUST_BE_ABSOLUTE);
+ ERR_add_error_data(1, path_data[i].path);
return NULL;
}
-#ifdef _WIN32
- /* Windows file: URIs with a drive letter start with a / */
- if (path[0] == '/' && path[2] == ':' && path[3] == '/')
- path++;
-#endif
- } else {
- path = uri;
+ if (stat(path_data[i].path, &st) < 0) {
+ SYSerr(SYS_F_STAT, errno);
+ ERR_add_error_data(1, path_data[i].path);
+ } else {
+ path = path_data[i].path;
+ }
+ }
+ if (path == NULL) {
+ return NULL;
}
+ /* Successfully found a working path, clear possible collected errors */
+ ERR_clear_error();
ctx = OPENSSL_zalloc(sizeof(*ctx));
if (ctx == NULL) {
return NULL;
}
- if ((buff = BIO_new(BIO_f_buffer())) == NULL)
- goto err;
- if ((ctx->file = BIO_new_file(path, "rb")) == NULL) {
- goto err;
- }
- ctx->file = BIO_push(buff, ctx->file);
- if (BIO_buffer_peek(ctx->file, peekbuf, sizeof(peekbuf)-1) > 0) {
- peekbuf[sizeof(peekbuf)-1] = '\0';
- if (strstr(peekbuf, "-----BEGIN ") != NULL)
- ctx->is_pem = 1;
+ if ((st.st_mode & S_IFDIR) == S_IFDIR) {
+ /*
+ * Try to copy everything, even if we know that some of them must be
+ * NULL for the moment. This prevents errors in the future, when more
+ * components may be used.
+ */
+ ctx->_.dir.uri = OPENSSL_strdup(uri);
+ ctx->type = is_dir;
+
+ if (ctx->_.dir.uri == NULL)
+ goto err;
+
+ ctx->_.dir.last_entry = OPENSSL_DIR_read(&ctx->_.dir.ctx, path);
+ ctx->_.dir.last_errno = errno;
+ if (ctx->_.dir.last_entry == NULL) {
+ if (ctx->_.dir.last_errno != 0) {
+ char errbuf[256];
+ errno = ctx->_.dir.last_errno;
+ openssl_strerror_r(errno, errbuf, sizeof(errbuf));
+ OSSL_STOREerr(OSSL_STORE_F_FILE_OPEN, ERR_R_SYS_LIB);
+ ERR_add_error_data(1, errbuf);
+ goto err;
+ }
+ ctx->_.dir.end_reached = 1;
+ }
+ } else {
+ BIO *buff = NULL;
+ char peekbuf[4096] = { 0, };
+
+ if ((buff = BIO_new(BIO_f_buffer())) == NULL
+ || (ctx->_.file.file = BIO_new_file(path, "rb")) == NULL) {
+ BIO_free_all(buff);
+ goto err;
+ }
+
+ ctx->_.file.file = BIO_push(buff, ctx->_.file.file);
+ if (BIO_buffer_peek(ctx->_.file.file, peekbuf, sizeof(peekbuf) - 1) > 0) {
+ peekbuf[sizeof(peekbuf) - 1] = '\0';
+ if (strstr(peekbuf, "-----BEGIN ") != NULL)
+ ctx->type = is_pem;
+ }
}
return ctx;
err:
- if (buff != NULL)
- BIO_free(buff);
- OPENSSL_free(ctx);
+ OSSL_STORE_LOADER_CTX_free(ctx);
return NULL;
}
+static int file_ctrl(OSSL_STORE_LOADER_CTX *ctx, int cmd, va_list args)
+{
+ int ret = 1;
+
+ switch (cmd) {
+ case OSSL_STORE_C_USE_SECMEM:
+ {
+ int on = *(va_arg(args, int *));
+
+ switch (on) {
+ case 0:
+ ctx->flags &= ~FILE_FLAG_SECMEM;
+ break;
+ case 1:
+ ctx->flags |= FILE_FLAG_SECMEM;
+ break;
+ default:
+ OSSL_STOREerr(OSSL_STORE_F_FILE_CTRL,
+ ERR_R_PASSED_INVALID_ARGUMENT);
+ ret = 0;
+ break;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static int file_expect(OSSL_STORE_LOADER_CTX *ctx, int expected)
+{
+ ctx->expected_type = expected;
+ return 1;
+}
+
+static int file_find(OSSL_STORE_LOADER_CTX *ctx, OSSL_STORE_SEARCH *search)
+{
+ /*
+ * If ctx == NULL, the library is looking to know if this loader supports
+ * the given search type.
+ */
+
+ if (OSSL_STORE_SEARCH_get_type(search) == OSSL_STORE_SEARCH_BY_NAME) {
+ unsigned long hash = 0;
+
+ if (ctx == NULL)
+ return 1;
+
+ if (ctx->type != is_dir) {
+ OSSL_STOREerr(OSSL_STORE_F_FILE_FIND,
+ OSSL_STORE_R_SEARCH_ONLY_SUPPORTED_FOR_DIRECTORIES);
+ return 0;
+ }
+
+ hash = X509_NAME_hash(OSSL_STORE_SEARCH_get0_name(search));
+ BIO_snprintf(ctx->_.dir.search_name, sizeof(ctx->_.dir.search_name),
+ "%08lx", hash);
+ return 1;
+ }
+
+ if (ctx != NULL)
+ OSSL_STOREerr(OSSL_STORE_F_FILE_FIND,
+ OSSL_STORE_R_UNSUPPORTED_SEARCH_TYPE);
+ return 0;
+}
+
+/* Internal function to decode an already opened PEM file */
+OSSL_STORE_LOADER_CTX *ossl_store_file_attach_pem_bio_int(BIO *bp)
+{
+ OSSL_STORE_LOADER_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
+
+ if (ctx == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_FILE_ATTACH_PEM_BIO_INT,
+ ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ ctx->_.file.file = bp;
+ ctx->type = is_pem;
+
+ return ctx;
+}
+
+static OSSL_STORE_INFO *file_load_try_decode(OSSL_STORE_LOADER_CTX *ctx,
+ const char *pem_name,
+ const char *pem_header,
+ unsigned char *data, size_t len,
+ const UI_METHOD *ui_method,
+ void *ui_data, int *matchcount)
+{
+ OSSL_STORE_INFO *result = NULL;
+ BUF_MEM *new_mem = NULL;
+ char *new_pem_name = NULL;
+ int t = 0;
+
+ again:
+ {
+ size_t i = 0;
+ void *handler_ctx = NULL;
+ const FILE_HANDLER **matching_handlers =
+ OPENSSL_zalloc(sizeof(*matching_handlers)
+ * OSSL_NELEM(file_handlers));
+
+ if (matching_handlers == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_FILE_LOAD_TRY_DECODE,
+ ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ *matchcount = 0;
+ for (i = 0; i < OSSL_NELEM(file_handlers); i++) {
+ const FILE_HANDLER *handler = file_handlers[i];
+ int try_matchcount = 0;
+ void *tmp_handler_ctx = NULL;
+ OSSL_STORE_INFO *tmp_result =
+ handler->try_decode(pem_name, pem_header, data, len,
+ &tmp_handler_ctx, &try_matchcount,
+ ui_method, ui_data);
+
+ if (try_matchcount > 0) {
+
+ matching_handlers[*matchcount] = handler;
+
+ if (handler_ctx)
+ handler->destroy_ctx(&handler_ctx);
+ handler_ctx = tmp_handler_ctx;
+
+ if ((*matchcount += try_matchcount) > 1) {
+ /* more than one match => ambiguous, kill any result */
+ OSSL_STORE_INFO_free(result);
+ OSSL_STORE_INFO_free(tmp_result);
+ if (handler->destroy_ctx != NULL)
+ handler->destroy_ctx(&handler_ctx);
+ handler_ctx = NULL;
+ tmp_result = NULL;
+ result = NULL;
+ }
+ if (result == NULL)
+ result = tmp_result;
+ }
+ }
+
+ if (*matchcount == 1 && matching_handlers[0]->repeatable) {
+ ctx->_.file.last_handler = matching_handlers[0];
+ ctx->_.file.last_handler_ctx = handler_ctx;
+ }
+
+ OPENSSL_free(matching_handlers);
+ }
+
+ err:
+ OPENSSL_free(new_pem_name);
+ BUF_MEM_free(new_mem);
+
+ if (result != NULL
+ && (t = OSSL_STORE_INFO_get_type(result)) == OSSL_STORE_INFO_EMBEDDED) {
+ pem_name = new_pem_name =
+ ossl_store_info_get0_EMBEDDED_pem_name(result);
+ new_mem = ossl_store_info_get0_EMBEDDED_buffer(result);
+ data = (unsigned char *)new_mem->data;
+ len = new_mem->length;
+ OPENSSL_free(result);
+ result = NULL;
+ goto again;
+ }
+
+ if (result != NULL)
+ ERR_clear_error();
+
+ return result;
+}
+
+static OSSL_STORE_INFO *file_load_try_repeat(OSSL_STORE_LOADER_CTX *ctx,
+ const UI_METHOD *ui_method,
+ void *ui_data)
+{
+ OSSL_STORE_INFO *result = NULL;
+ int try_matchcount = 0;
+
+ if (ctx->_.file.last_handler != NULL) {
+ result =
+ ctx->_.file.last_handler->try_decode(NULL, NULL, NULL, 0,
+ &ctx->_.file.last_handler_ctx,
+ &try_matchcount,
+ ui_method, ui_data);
+
+ if (result == NULL) {
+ ctx->_.file.last_handler->destroy_ctx(&ctx->_.file.last_handler_ctx);
+ ctx->_.file.last_handler_ctx = NULL;
+ ctx->_.file.last_handler = NULL;
+ }
+ }
+ return result;
+}
+
+static void pem_free_flag(void *pem_data, int secure, size_t num)
+{
+ if (secure)
+ OPENSSL_secure_clear_free(pem_data, num);
+ else
+ OPENSSL_free(pem_data);
+}
+static int file_read_pem(BIO *bp, char **pem_name, char **pem_header,
+ unsigned char **data, long *len,
+ const UI_METHOD *ui_method,
+ void *ui_data, int secure)
+{
+ int i = secure
+ ? PEM_read_bio_ex(bp, pem_name, pem_header, data, len,
+ PEM_FLAG_SECURE | PEM_FLAG_EAY_COMPATIBLE)
+ : PEM_read_bio(bp, pem_name, pem_header, data, len);
+
+ if (i <= 0)
+ return 0;
+
+ /*
+ * 10 is the number of characters in "Proc-Type:", which
+ * PEM_get_EVP_CIPHER_INFO() requires to be present.
+ * If the PEM header has less characters than that, it's
+ * not worth spending cycles on it.
+ */
+ if (strlen(*pem_header) > 10) {
+ EVP_CIPHER_INFO cipher;
+ struct pem_pass_data pass_data;
+
+ if (!PEM_get_EVP_CIPHER_INFO(*pem_header, &cipher)
+ || !file_fill_pem_pass_data(&pass_data, "PEM", ui_method, ui_data)
+ || !PEM_do_header(&cipher, *data, len, file_get_pem_pass,
+ &pass_data)) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static int file_read_asn1(BIO *bp, unsigned char **data, long *len)
+{
+ BUF_MEM *mem = NULL;
+
+ if (asn1_d2i_read_bio(bp, &mem) < 0)
+ return 0;
+
+ *data = (unsigned char *)mem->data;
+ *len = (long)mem->length;
+ OPENSSL_free(mem);
+
+ return 1;
+}
+
+static int ends_with_dirsep(const char *uri)
+{
+ if (*uri != '\0')
+ uri += strlen(uri) - 1;
+#if defined __VMS
+ if (*uri == ']' || *uri == '>' || *uri == ':')
+ return 1;
+#elif defined _WIN32
+ if (*uri == '\\')
+ return 1;
+#endif
+ return *uri == '/';
+}
+
+static int file_name_to_uri(OSSL_STORE_LOADER_CTX *ctx, const char *name,
+ char **data)
+{
+ assert(name != NULL);
+ assert(data != NULL);
+ {
+ const char *pathsep = ends_with_dirsep(ctx->_.dir.uri) ? "" : "/";
+ long calculated_length = strlen(ctx->_.dir.uri) + strlen(pathsep)
+ + strlen(name) + 1 /* \0 */;
+
+ *data = OPENSSL_zalloc(calculated_length);
+ if (*data == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_FILE_NAME_TO_URI, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ OPENSSL_strlcat(*data, ctx->_.dir.uri, calculated_length);
+ OPENSSL_strlcat(*data, pathsep, calculated_length);
+ OPENSSL_strlcat(*data, name, calculated_length);
+ }
+ return 1;
+}
+
+static int file_name_check(OSSL_STORE_LOADER_CTX *ctx, const char *name)
+{
+ const char *p = NULL;
+
+ /* If there are no search criteria, all names are accepted */
+ if (ctx->_.dir.search_name[0] == '\0')
+ return 1;
+
+ /* If the expected type isn't supported, no name is accepted */
+ if (ctx->expected_type != 0
+ && ctx->expected_type != OSSL_STORE_INFO_CERT
+ && ctx->expected_type != OSSL_STORE_INFO_CRL)
+ return 0;
+
+ /*
+ * First, check the basename
+ */
+ if (strncasecmp(name, ctx->_.dir.search_name,
+ sizeof(ctx->_.dir.search_name) - 1) != 0
+ || name[sizeof(ctx->_.dir.search_name) - 1] != '.')
+ return 0;
+ p = &name[sizeof(ctx->_.dir.search_name)];
+
+ /*
+ * Then, if the expected type is a CRL, check that the extension starts
+ * with 'r'
+ */
+ if (*p == 'r') {
+ p++;
+ if (ctx->expected_type != 0
+ && ctx->expected_type != OSSL_STORE_INFO_CRL)
+ return 0;
+ } else if (ctx->expected_type == OSSL_STORE_INFO_CRL) {
+ return 0;
+ }
+
+ /*
+ * Last, check that the rest of the extension is a decimal number, at
+ * least one digit long.
+ */
+ if (!ossl_isdigit(*p))
+ return 0;
+ while (ossl_isdigit(*p))
+ p++;
+
+# ifdef __VMS
+ /*
+ * One extra step here, check for a possible generation number.
+ */
+ if (*p == ';')
+ for (p++; *p != '\0'; p++)
+ if (!ossl_isdigit(*p))
+ break;
+# endif
+
+ /*
+ * If we've reached the end of the string at this point, we've successfully
+ * found a fitting file name.
+ */
+ return *p == '\0';
+}
+
static int file_eof(OSSL_STORE_LOADER_CTX *ctx);
static int file_error(OSSL_STORE_LOADER_CTX *ctx);
static OSSL_STORE_INFO *file_load(OSSL_STORE_LOADER_CTX *ctx,
const UI_METHOD *ui_method, void *ui_data)
{
OSSL_STORE_INFO *result = NULL;
- int matchcount = -1;
-
- if (ctx->last_handler != NULL) {
- result = ctx->last_handler->try_decode(NULL, NULL, NULL, 0,
- &ctx->last_handler_ctx,
- ui_method, ui_data);
-
- if (result != NULL)
- return result;
- ctx->last_handler->destroy_ctx(&ctx->last_handler_ctx);
- ctx->last_handler_ctx = NULL;
- ctx->last_handler = NULL;
- }
+ ctx->errcnt = 0;
+ ERR_clear_error();
- if (file_error(ctx))
- return NULL;
+ if (ctx->type == is_dir) {
+ do {
+ char *newname = NULL;
- do {
- char *pem_name = NULL; /* PEM record name */
- char *pem_header = NULL; /* PEM record header */
- unsigned char *data = NULL; /* DER encoded data */
- BUF_MEM *mem = NULL;
- long len = 0; /* DER encoded data length */
- int r = 0;
-
- matchcount = -1;
- if (ctx->is_pem) {
- r = PEM_read_bio(ctx->file, &pem_name, &pem_header, &data, &len);
- if (r <= 0) {
- if (!file_eof(ctx))
+ if (ctx->_.dir.last_entry == NULL) {
+ if (!ctx->_.dir.end_reached) {
+ char errbuf[256];
+ assert(ctx->_.dir.last_errno != 0);
+ errno = ctx->_.dir.last_errno;
ctx->errcnt++;
- goto end;
+ openssl_strerror_r(errno, errbuf, sizeof(errbuf));
+ OSSL_STOREerr(OSSL_STORE_F_FILE_LOAD, ERR_R_SYS_LIB);
+ ERR_add_error_data(1, errbuf);
+ }
+ return NULL;
}
+ if (ctx->_.dir.last_entry[0] != '.'
+ && file_name_check(ctx, ctx->_.dir.last_entry)
+ && !file_name_to_uri(ctx, ctx->_.dir.last_entry, &newname))
+ return NULL;
+
/*
- * 10 is the number of characters in "Proc-Type:", which
- * PEM_get_EVP_CIPHER_INFO() requires to be present.
- * If the PEM header has less characters than that, it's
- * not worth spending cycles on it.
+ * On the first call (with a NULL context), OPENSSL_DIR_read()
+ * cares about the second argument. On the following calls, it
+ * only cares that it isn't NULL. Therefore, we can safely give
+ * it our URI here.
*/
- if (strlen(pem_header) > 10) {
- EVP_CIPHER_INFO cipher;
- struct pem_pass_data pass_data;
-
- if (!PEM_get_EVP_CIPHER_INFO(pem_header, &cipher)
- || !file_fill_pem_pass_data(&pass_data, "PEM", ui_method,
- ui_data)
- || !PEM_do_header(&cipher, data, &len, file_get_pem_pass,
- &pass_data)) {
+ ctx->_.dir.last_entry = OPENSSL_DIR_read(&ctx->_.dir.ctx,
+ ctx->_.dir.uri);
+ ctx->_.dir.last_errno = errno;
+ if (ctx->_.dir.last_entry == NULL && ctx->_.dir.last_errno == 0)
+ ctx->_.dir.end_reached = 1;
+
+ if (newname != NULL
+ && (result = OSSL_STORE_INFO_new_NAME(newname)) == NULL) {
+ OPENSSL_free(newname);
+ OSSL_STOREerr(OSSL_STORE_F_FILE_LOAD, ERR_R_OSSL_STORE_LIB);
+ return NULL;
+ }
+ } while (result == NULL && !file_eof(ctx));
+ } else {
+ int matchcount = -1;
+
+ again:
+ result = file_load_try_repeat(ctx, ui_method, ui_data);
+ if (result != NULL)
+ return result;
+
+ if (file_eof(ctx))
+ return NULL;
+
+ do {
+ char *pem_name = NULL; /* PEM record name */
+ char *pem_header = NULL; /* PEM record header */
+ unsigned char *data = NULL; /* DER encoded data */
+ long len = 0; /* DER encoded data length */
+
+ matchcount = -1;
+ if (ctx->type == is_pem) {
+ if (!file_read_pem(ctx->_.file.file, &pem_name, &pem_header,
+ &data, &len, ui_method, ui_data,
+ (ctx->flags & FILE_FLAG_SECMEM) != 0)) {
ctx->errcnt++;
- goto err;
+ goto endloop;
}
- }
- } else {
- if ((len = asn1_d2i_read_bio(ctx->file, &mem)) < 0) {
- if (!file_eof(ctx))
+ } else {
+ if (!file_read_asn1(ctx->_.file.file, &data, &len)) {
ctx->errcnt++;
- goto err;
+ goto endloop;
+ }
}
- data = (unsigned char *)mem->data;
- len = (long)mem->length;
- }
-
- result = NULL;
+ result = file_load_try_decode(ctx, pem_name, pem_header, data, len,
+ ui_method, ui_data, &matchcount);
- {
- size_t i = 0;
- void *handler_ctx = NULL;
- const FILE_HANDLER **matching_handlers =
- OPENSSL_zalloc(sizeof(*matching_handlers)
- * OSSL_NELEM(file_handlers));
-
- if (matching_handlers == NULL) {
- OSSL_STOREerr(OSSL_STORE_F_FILE_LOAD, ERR_R_MALLOC_FAILURE);
- goto err;
- }
+ if (result != NULL)
+ goto endloop;
- matchcount = 0;
- for (i = 0; i < OSSL_NELEM(file_handlers); i++) {
- const FILE_HANDLER *handler = file_handlers[i];
- void *tmp_handler_ctx = NULL;
- OSSL_STORE_INFO *tmp_result =
- handler->try_decode(pem_name, pem_header, data, len,
- &tmp_handler_ctx, ui_method, ui_data);
-
- if (tmp_result == NULL) {
- OSSL_STOREerr(OSSL_STORE_F_FILE_LOAD, OSSL_STORE_R_IS_NOT_A);
- ERR_add_error_data(1, handler->name);
- } else {
- if (matching_handlers)
- matching_handlers[matchcount] = handler;
-
- if (handler_ctx)
- handler->destroy_ctx(&handler_ctx);
- handler_ctx = tmp_handler_ctx;
-
- if (++matchcount == 1) {
- result = tmp_result;
- tmp_result = NULL;
- } else {
- /* more than one match => ambiguous, kill any result */
- OSSL_STORE_INFO_free(result);
- OSSL_STORE_INFO_free(tmp_result);
- if (handler->destroy_ctx != NULL)
- handler->destroy_ctx(&handler_ctx);
- handler_ctx = NULL;
- result = NULL;
- }
- }
+ /*
+ * If a PEM name matches more than one handler, the handlers are
+ * badly coded.
+ */
+ if (!ossl_assert(pem_name == NULL || matchcount <= 1)) {
+ ctx->errcnt++;
+ goto endloop;
}
- if (matchcount > 1)
+ if (matchcount > 1) {
OSSL_STOREerr(OSSL_STORE_F_FILE_LOAD,
OSSL_STORE_R_AMBIGUOUS_CONTENT_TYPE);
- if (matchcount == 0)
- OSSL_STOREerr(OSSL_STORE_F_FILE_LOAD,
- OSSL_STORE_R_UNSUPPORTED_CONTENT_TYPE);
- else if (matching_handlers[0]->repeatable) {
- ctx->last_handler = matching_handlers[0];
- ctx->last_handler_ctx = handler_ctx;
- mem = NULL;
- data = NULL;
+ } else if (matchcount == 1) {
+ /*
+ * If there are other errors on the stack, they already show
+ * what the problem is.
+ */
+ if (ERR_peek_error() == 0) {
+ OSSL_STOREerr(OSSL_STORE_F_FILE_LOAD,
+ OSSL_STORE_R_UNSUPPORTED_CONTENT_TYPE);
+ if (pem_name != NULL)
+ ERR_add_error_data(3, "PEM type is '", pem_name, "'");
+ }
}
+ if (matchcount > 0)
+ ctx->errcnt++;
- OPENSSL_free(matching_handlers);
- }
-
- if (result)
- ERR_clear_error();
+ endloop:
+ pem_free_flag(pem_name, (ctx->flags & FILE_FLAG_SECMEM) != 0, 0);
+ pem_free_flag(pem_header, (ctx->flags & FILE_FLAG_SECMEM) != 0, 0);
+ pem_free_flag(data, (ctx->flags & FILE_FLAG_SECMEM) != 0, len);
+ } while (matchcount == 0 && !file_eof(ctx) && !file_error(ctx));
- err:
- OPENSSL_free(pem_name);
- OPENSSL_free(pem_header);
- if (mem == NULL)
- OPENSSL_free(data);
- else
- BUF_MEM_free(mem);
- } while (matchcount == 0 && !file_eof(ctx) && !file_error(ctx));
+ /* We bail out on ambiguity */
+ if (matchcount > 1)
+ return NULL;
- /* We bail out on ambiguity */
- if (matchcount > 1)
- return NULL;
+ if (result != NULL
+ && ctx->expected_type != 0
+ && ctx->expected_type != OSSL_STORE_INFO_get_type(result)) {
+ OSSL_STORE_INFO_free(result);
+ goto again;
+ }
+ }
- end:
return result;
}
static int file_eof(OSSL_STORE_LOADER_CTX *ctx)
{
- if (ctx->last_handler != NULL
- && !ctx->last_handler->eof(ctx->last_handler_ctx))
+ if (ctx->type == is_dir)
+ return ctx->_.dir.end_reached;
+
+ if (ctx->_.file.last_handler != NULL
+ && !ctx->_.file.last_handler->eof(ctx->_.file.last_handler_ctx))
return 0;
- return BIO_eof(ctx->file);
+ return BIO_eof(ctx->_.file.file);
}
static int file_close(OSSL_STORE_LOADER_CTX *ctx)
{
- if (ctx->last_handler != NULL) {
- ctx->last_handler->destroy_ctx(&ctx->last_handler_ctx);
- ctx->last_handler_ctx = NULL;
- ctx->last_handler = NULL;
+ if (ctx->type == is_dir) {
+ OPENSSL_DIR_end(&ctx->_.dir.ctx);
+ } else {
+ BIO_free_all(ctx->_.file.file);
}
- BIO_free_all(ctx->file);
- OPENSSL_free(ctx);
+ OSSL_STORE_LOADER_CTX_free(ctx);
+ return 1;
+}
+
+int ossl_store_file_detach_pem_bio_int(OSSL_STORE_LOADER_CTX *ctx)
+{
+ OSSL_STORE_LOADER_CTX_free(ctx);
return 1;
}
static OSSL_STORE_LOADER file_loader =
{
"file",
- file_open,
NULL,
+ file_open,
+ file_ctrl,
+ file_expect,
+ file_find,
file_load,
file_eof,
file_error,